/*  Generated by CHR bootstrap compiler
    From: /usr/src/slapt-src/development/swi-prolog/swipl-8.2.1/packages/chr/chr_translate.chr
    Date: Wed Jun  8 21:55:57 2022

    DO NOT EDIT.  EDIT THE CHR FILE INSTEAD
*/

:- module(chr_translate,
          [ chr_translate/2,
            chr_translate_line_info/3
          ]).
:- use_module(chr(chr_runtime)).
:- style_check(- (discontiguous)).
:- style_check(-singleton).
:- style_check(-no_effect).
:- use_module(library(lists)).
:- use_module(library(sort)).
:- use_module(library(ordsets)).
:- use_module(library(aggregate)).
:- use_module(library(apply_macros)).
:- use_module(library(occurs)).
:- use_module(library(assoc)).
:- use_module(library(dialect/hprolog)).
:- use_module(chr(pairlist)).
:- use_module(chr(a_star)).
:- use_module(chr(listmap)).
:- use_module(chr(clean_code)).
:- use_module(chr(builtins)).
:- use_module(chr(find)).
:- use_module(chr(binomialheap)).
:- use_module(chr(guard_entailment)).
:- use_module(chr(chr_compiler_options)).
:- use_module(chr(chr_compiler_utility)).
:- use_module(chr(chr_compiler_errors)).
:- include(chr(chr_op)).
:- op(1150, fx, chr_type).
:- op(1150, fx, chr_declaration).
:- op(1130, xfx, --->).
:- op(980, fx, +).
:- op(980, fx, -).
:- op(980, fx, ?).
:- op(1150, fx, constraints).
:- op(1150, fx, chr_constraint).
format_storetype(multi_store(A)) :-
    !,
    maplist(format_storetype, A).
format_storetype(atomic_constants(A, B, _)) :-
    format('\t* a trie index on the argument(s) ~w for the ground terms ~w\n',
           [A, B]).
format_storetype(ground_constants(A, B, _)) :-
    format('\t* a trie index on the argument(s) ~w for the ground terms ~w\n',
           [A, B]).
format_storetype(A) :-
    format('\t* ~w\n', [A]).
get_constraint_arg_type(A, B, E) :-
    get_constraint_type(A, C),
    nth1(B, C, D),
    unalias_type(D, E).
partial_store(ground_constants(_, _, incomplete)).
partial_store(atomic_constants(_, _, incomplete)).
late_allocation_analysis(A) :-
    (   chr_pp_flag(late_allocation, on)
    ->  maplist(late_allocation, A)
    ;   true
    ).
late_allocation(A) :-
    late_allocation(A, 0).
late_allocation(A, B) :-
    allocation_occurrence(A, B),
    !.
late_allocation(B, A) :-
    C is A+1,
    late_allocation(B, C).
stored_in_guard_before_next_kept_occurrence(B, A) :-
    chr_pp_flag(store_in_guards, on),
    C is A+1,
    stored_in_guard_lookahead(B, C).
set_constraint_indices(A) :-
    set_constraint_indices(A, 1).
set_constraint_indices([], A) :-
    B is A-1,
    max_constraint_index(B).
set_constraint_indices([A|C], B) :-
    (   (   chr_pp_flag(debugable, on)
        ;   \+ only_ground_indexed_arguments(A),
            is_stored(A)
        ;   is_stored(A),
            get_store_type(A, default)
        ;   get_store_type(A, var_assoc_store(_, _))
        )
    ->  constraint_index(A, B),
        D is B+1,
        set_constraint_indices(C, D)
    ;   set_constraint_indices(C, B)
    ).
type_indexed_identifier_structure(A, B) :-
    type_indexed_identifier_name(A,
                                 type_indexed_identifier_struct,
                                 C),
    get_type_indexed_identifier_size(A, D),
    functor(B, C, D).
type_indexed_identifier_name(A, C, D) :-
    (   atom(A)
    ->  B=A
    ;   term_to_atom(A, B)
    ),
    atom_concat_list([C, '_', B], D).
chr_translate(A, B) :-
    chr_translate_line_info(A, bootstrap, B).
chr_translate_line_info(A, B, Q) :-
    chr_banner,
    restart_after_flattening(A, C),
    init_chr_pp_flags,
    chr_source_file(B),
    partition_clauses(C, D, E, J),
    chr_compiler_options:sanity_check,
    dump_code(C),
    check_declared_constraints(D),
    generate_show_constraint(D, F, E, G),
    add_constraints(F),
    add_rules(G),
    generate_never_stored_rules(F, H),
    add_rules(H),
    append(G, H, I),
    chr_analysis(I, F, C),
    time('constraint code generation',
         chr_translate:constraints_code(F, L)),
    time('validate store assumptions',
         chr_translate:validate_store_type_assumptions(F)),
    phase_end(validate_store_type_assumptions),
    used_states_known,
    time('store code generation',
         chr_translate:store_management_preds(F, K)),
    insert_declarations(J, O),
    chr_module_declaration(M),
    append([K, L, M, [end_of_file]], N),
    clean_clauses(N, P),
    append([O, P], Q),
    dump_code(Q),
    !.
chr_analysis(A, C, D) :-
    maplist(pragma_rule_to_ast_rule, A, B),
    check_rules(A, B, C),
    time('type checking', chr_translate:static_type_check(A, B)),
    collect_constants(A, B, C, D),
    add_occurrences(A, B),
    time('functional dependency',
         chr_translate:functional_dependency_analysis(A)),
    time('set semantics', chr_translate:set_semantics_rules(A)),
    time('symmetry analysis', chr_translate:symmetry_analysis(A)),
    time('guard simplification', chr_translate:guard_simplification),
    time('late storage', chr_translate:storage_analysis(C)),
    time(observation, chr_translate:observation_analysis(C)),
    time('ai observation', chr_translate:ai_observation_analysis(C)),
    time('late allocation', chr_translate:late_allocation_analysis(C)),
    partial_wake_analysis,
    time('assume constraint stores',
         chr_translate:assume_constraint_stores(C)),
    time('default constraint indices',
         chr_translate:set_constraint_indices(C)),
    time('check storedness assertions',
         chr_translate:check_storedness_assertions(C)),
    time('continuation analysis', chr_translate:continuation_analysis(C)).
store_management_preds(A, J) :-
    generate_attach_detach_a_constraint_all(A, B),
    generate_attr_unify_hook(D),
    generate_attach_increment(C),
    generate_extra_clauses(A, E),
    generate_insert_delete_constraints(A, F),
    generate_attach_code(A, G),
    generate_counter_code(H),
    generate_dynamic_type_check_clauses(I),
    append([B, C, D, E, F, G, H, I],
           J).
insert_declarations(B, D) :-
    findall((:-use_module(chr(A))),
            ( auxiliary_module(A),
              is_used_auxiliary_module(A)
            ),
            C),
    append(B, [(:-use_module(chr(chr_runtime)))|C], D).
auxiliary_module(chr_hashtable_store).
auxiliary_module(chr_integertable_store).
auxiliary_module(chr_assoc_store).
generate_counter_code(A) :-
    (   chr_pp_flag(store_counter, on)
    ->  A=[('$counter_init'(B):-nb_setval(B, 0)),  ('$counter'(C, D):-nb_getval(C, D)),  ('$counter_inc'(E):-nb_getval(E, F), G is F+1, nb_setval(E, G)),  (:-'$counter_init'('$insert_counter')),  (:-'$counter_init'('$delete_counter')),  ('$insert_counter_inc':-'$counter_inc'('$insert_counter')),  ('$delete_counter_inc':-'$counter_inc'('$delete_counter')),  (counter_stats(H, I):-'$counter'('$insert_counter', H), '$counter'('$delete_counter', I))]
    ;   A=[]
    ).
chr_module_declaration([]) :-
    tmp_module,
    !.
chr_module_declaration(B) :-
    get_target_module(A),
    (   A\==chr_translate,
        chr_pp_flag(toplevel_show_store, on)
    ->  B=[(:-multifile chr:'$chr_module'/1), chr:'$chr_module'(A)]
    ;   B=[]
    ).
partition_clauses([], [], [], []).
partition_clauses([A|M], B, C, E) :-
    (   parse_rule(A, D)
    ->  B=G,
        C=[D|H],
        E=I
    ;   is_declaration(A, F)
    ->  append(F, G, B),
        C=H,
        E=I
    ;   is_module_declaration(A, J)
    ->  target_module(J),
        B=G,
        C=H,
        E=[A|I]
    ;   is_type_definition(A)
    ->  B=G,
        C=H,
        E=I
    ;   is_chr_declaration(A)
    ->  B=G,
        C=H,
        E=I
    ;   A=handler(_)
    ->  chr_warning(deprecated(A),
                    'Backward compatibility: ignoring handler/1 declaration.\n',
                    []),
        B=G,
        C=H,
        E=I
    ;   A=rules(_)
    ->  chr_warning(deprecated(A),
                    'Backward compatibility: ignoring rules/1 declaration.\n',
                    []),
        B=G,
        C=H,
        E=I
    ;   A=option(K, L)
    ->  chr_warning(deprecated(A),
                    'Instead use `:-chr_option(~w,~w).\'\n',
                    [K, L]),
        handle_option(K, L),
        B=G,
        C=H,
        E=I
    ;   A=(:-chr_option(K, L))
    ->  handle_option(K, L),
        B=G,
        C=H,
        E=I
    ;   A='$chr_compiled_with_version'(_)
    ->  B=G,
        C=H,
        E=['$chr_compiled_with_version'(3)|I]
    ;   B=G,
        C=H,
        E=[A|I]
    ),
    partition_clauses(M, G, H, I).
'$chr_compiled_with_version'(3).
is_declaration(A, F) :-
    (   A=(:-B),
        B=..[C, D],
        C==(chr_constraint)
    ->  conj2list(D, E)
    ;   (   A=(:-B)
        ->  B=..[constraints, D]
        ;   A=..[constraints, D]
        ),
        conj2list(D, E),
        chr_warning(deprecated(A),
                    'Instead use :- chr_constraint ~w.\n',
                    [D])
    ),
    extract_type_mode(E, F).
extract_type_mode([], []).
extract_type_mode([A/B|C], [A/B|D]) :-
    !,
    extract_type_mode(C, D).
extract_type_mode([A|J], [F|K]) :-
    (   A= #(B, C)
    ->  functor(B, D, E),
        extract_annotation(C, D/E)
    ;   A=B,
        functor(B, D, E)
    ),
    F=D/E,
    B=..[_|G],
    extract_types_and_modes(G, H, I),
    assert_constraint_type(F, H),
    constraint_mode(F, I),
    extract_type_mode(J, K).
extract_annotation(stored, A) :-
    stored_assertion(A).
extract_annotation(default(B), A) :-
    never_stored_default(A, B).
extract_types_and_modes([], [], []).
extract_types_and_modes([A|D], [B|E], [C|F]) :-
    extract_type_and_mode(A, B, C),
    extract_types_and_modes(D, E, F).
extract_type_and_mode(+A, A, +) :-
    !.
extract_type_and_mode(?A, A, ?) :-
    !.
extract_type_and_mode(-A, A, -) :-
    !.
extract_type_and_mode(+, any, +) :-
    !.
extract_type_and_mode(?, any, ?) :-
    !.
extract_type_and_mode(-, any, -) :-
    !.
extract_type_and_mode(A, _, _) :-
    chr_error(syntax(A),
              'Illegal mode/type declaration.\n\tCorrect syntax is +type, -type or ?type\n\tor +, - or ?.\n',
              []).
is_chr_declaration(A) :-
    A=(:-chr_declaration B),
    (   B=(C--->D)
    ->  background_info(C, D)
    ;   B=D
    ->  background_info([D])
    ).
is_type_definition(A) :-
    is_type_definition(A, B),
    assert_type_definition(B).
assert_type_definition(typedef(A, B)) :-
    type_definition(A, B).
assert_type_definition(alias(A, B)) :-
    type_alias(A, B).
is_type_definition(A, E) :-
    (   A=(:-B)
    ->  true
    ;   A=B
    ),
    B=..[chr_type, C],
    (   C=(F--->D)
    ->  tdisj2list(D, G),
        E=typedef(F, G)
    ;   C=(H==F)
    ->  E=alias(H, F)
    ;   E=typedef(C, []),
        chr_warning(syntax,
                    'Empty type definition `~w\'.\nAre you sure you want to declare a phantom type?\n',
                    [A])
    ).
tdisj2list(A, B) :-
    tdisj2list(A, B, []).
tdisj2list(A, C, F) :-
    A=(B;D),
    !,
    tdisj2list(B, C, E),
    tdisj2list(D, E, F).
tdisj2list(A, [A|B], B).
parse_rule(A, D) :-
    A= @(C, B),
    !,
    rule(B, yes(C), D).
parse_rule(A, B) :-
    rule(A, no, B).
rule(A, E, D) :-
    A=pragma(G, B),
    !,
    (   var(B)
    ->  C=[_]
    ;   conj2list(B, C)
    ),
    inc_rule_count(F),
    D=pragma(H, I, C, E, F),
    is_rule(G, H, I, D).
rule(D, B, A) :-
    inc_rule_count(C),
    A=pragma(E, F, [], B, C),
    is_rule(D, E, F, A).
is_rule(A, H, E, D) :-
    A= ==>(B, G),
    !,
    conj2list(B, C),
    get_ids(C, F, I, D),
    E=ids([], F),
    (   G=(J| K)
    ->  H=rule([], I, J, K)
    ;   H=rule([], I, true, G)
    ).
is_rule(A, S, N, K) :-
    A= <=>(G, B),
    !,
    (   B=(C| D)
    ->  E=C,
        F=D
    ;   E=true,
        F=B
    ),
    (   G= \(H, I)
    ->  conj2list(H, J),
        conj2list(I, L),
        get_ids(J, P, Q, 0, M, K),
        get_ids(L, O, R, M, _, K),
        N=ids(O, P)
    ;   conj2list(G, L),
        Q=[],
        get_ids(L, O, R, K),
        N=ids(O, [])
    ),
    S=rule(R, Q, E, F).
get_ids(A, B, C, D) :-
    get_ids(A, B, C, 0, _, D).
get_ids([], [], [], A, A, _).
get_ids([B|F], [A|G], [C|H], A, J, E) :-
    (   B= #(C, D)
    ->  (   var(D)
        ->  D=A
        ;   check_direct_pragma(D, A, E)
        )
    ;   C=B
    ),
    I is A+1,
    get_ids(F, G, H, I, J, E).
check_direct_pragma(passive, C, A) :-
    !,
    A=pragma(_, _, _, _, B),
    passive(B, C).
check_direct_pragma(A, _, C) :-
    (   direct_pragma(B),
        atom_concat(A, _, B)
    ->  chr_warning(problem_pragma(A, C),
                    'completed `~w\' to `~w\'\n',
                    [A, B])
    ;   chr_warning(unsupported_pragma(A, C), '', [])
    ).
direct_pragma(passive).
is_module_declaration((:-module(A)), A).
is_module_declaration((:-module(A, _)), A).
add_constraints([]).
add_constraints([A|D]) :-
    max_occurrence(A, 0),
    A=_/B,
    length(C, B),
    set_elems(C, ?),
    constraint_mode(A, C),
    add_constraints(D).
add_rules([]).
add_rules([A|C]) :-
    A=pragma(_, _, _, _, B),
    rule(B, A),
    add_rules(C).
check_declared_constraints(A) :-
    tree_set_empty(B),
    check_declared_constraints(A, B).
check_declared_constraints([], _).
check_declared_constraints([A|C], B) :-
    (   tree_set_memberchk(A, B)
    ->  chr_error(syntax(A),
                  'Constraint multiply defined: ~w.\n\tRemove redundant declaration!\n',
                  [A])
    ;   true
    ),
    tree_set_add(B, A, D),
    check_declared_constraints(C, D).
check_rules(B, C, A) :-
    maplist(check_rule(A), B, C).
check_rule(C, A, B) :-
    A=pragma(_, _, D, _, _),
    check_ast_rule_indexing(B, A),
    check_ast_trivial_propagation_rule(B, A),
    check_ast_head_constraints(B, C, A),
    check_pragmas(D, A).
check_ast_trivial_propagation_rule(A, D) :-
    A=ast_rule(B, _, _, C, _),
    (   B=propagation(_),
        C==[]
    ->  chr_warning(weird_program,
                    'Ignoring propagation rule with empty body: ~@.\n\t\n',
                    [format_rule(D)]),
        set_rule_passive(D)
    ;   true
    ).
set_rule_passive(A) :-
    A=pragma(_, _, _, _, B),
    set_all_passive(B).
check_trivial_propagation_rule(A) :-
    A=pragma(B, _, _, _, C),
    (   B=rule([], _, _, true)
    ->  chr_warning(weird_program,
                    'Ignoring propagation rule with empty body: ~@.\n\t\n',
                    [format_rule(A)]),
        set_all_passive(C)
    ;   true
    ).
check_ast_head_constraints(ast_rule(A, _, _, _, _), B, C) :-
    check_ast_head_constraints_(A, B, C).
check_ast_head_constraints_(simplification(C), A, B) :-
    maplist(check_ast_head_constraint(A, B), C).
check_ast_head_constraints_(propagation(C), A, B) :-
    maplist(check_ast_head_constraint(A, B), C).
check_ast_head_constraints_(simpagation(C, D), A, B) :-
    maplist(check_ast_head_constraint(A, B), C),
    maplist(check_ast_head_constraint(A, B), D).
check_ast_head_constraint(B, D, chr_constraint(A, _, C)) :-
    (   memberchk(A, B)
    ->  true
    ;   chr_error(syntax(C),
                  'Undeclared constraint ~w in head of ~@.\n\tConstraint should be one of ~w.\n',
                  [_/_, format_rule(D), B])
    ).
check_head_constraints([], _, _).
check_head_constraints([A|E], D, F) :-
    functor(A, B, C),
    (   memberchk(B/C, D)
    ->  check_head_constraints(E, D, F)
    ;   chr_error(syntax(A),
                  'Undeclared constraint ~w in head of ~@.\n\tConstraint should be one of ~w.\n',
                  [B/C, format_rule(F), D])
    ).
check_pragmas([], _).
check_pragmas([A|C], B) :-
    check_pragma(A, B),
    check_pragmas(C, B).
check_pragma(A, B) :-
    var(A),
    !,
    chr_error(syntax(A),
              'Invalid pragma ~w in ~@.\n\tPragma should not be a variable!\n',
              [A, format_rule(B)]).
check_pragma(passive(B), A) :-
    !,
    A=pragma(_, ids(C, D), _, _, E),
    (   memberchk_eq(B, C)
    ->  true
    ;   memberchk_eq(B, D)
    ->  true
    ;   chr_error(syntax(B),
                  'Invalid identifier ~w in pragma passive in ~@.\n',
                  [B, format_rule(A)])
    ),
    passive(E, B).
check_pragma(mpassive(B), A) :-
    !,
    A=pragma(_, _, _, _, C),
    chr_warning(experimental,
                'Experimental pragma ~w. Use with care!\n',
                [mpassive(B)]),
    maplist(passive(C), B).
check_pragma(A, B) :-
    A=already_in_heads,
    !,
    chr_warning(unsupported_pragma(A, B),
                'Termination and correctness may be affected.\n',
                []).
check_pragma(A, B) :-
    A=already_in_head(_),
    !,
    chr_warning(unsupported_pragma(A, B),
                'Termination and correctness may be affected.\n',
                []).
check_pragma(A, B) :-
    A=no_history,
    !,
    chr_warning(experimental,
                'Experimental pragma no_history. Use with care!\n',
                []),
    B=pragma(_, _, _, _, C),
    no_history(C).
check_pragma(A, B) :-
    A=history(D, F),
    !,
    B=pragma(_, ids(C, G), _, _, E),
    chr_warning(experimental,
                'Experimental pragma ~w. Use with care!\n',
                [A]),
    (   C\==[]
    ->  chr_error(syntax(A),
                  'Pragma history only implemented for propagation rules.\n',
                  [])
    ;   \+ atom(D)
    ->  chr_error(syntax(A),
                  'Illegal argument for pragma history: ~w is not an atom (rule number ~w).\n',
                  [D, E])
    ;   \+ is_set(F)
    ->  chr_error(syntax(A),
                  'Illegal argument for pragma history: ~w is not a set (rule number ~w).\n',
                  [F, E])
    ;   check_history_pragma_ids(F, C, G)
    ->  history(E, D, F)
    ;   chr_error(syntax(A),
                  'Invalid identifier(s) in pragma ~w of rule number ~w.\n',
                  [A, E])
    ).
check_pragma(A, B) :-
    A=source_location(D),
    !,
    B=pragma(_, _, _, _, C),
    source_location(C, D).
check_history_pragma_ids([], _, _).
check_history_pragma_ids([A|D], C, B) :-
    (   memberchk_eq(A, B)
    ;   memberchk_eq(A, C)
    ),
    check_history_pragma_ids(D, C, B).
check_pragma(A, B) :-
    chr_error(syntax(A),
              'Unknown pragma ~w in ~@.\n',
              [A, format_rule(B)]).
test_named_history_id_pairs(_, [], _, []).
test_named_history_id_pairs(A, [B|E], C, [D|F]) :-
    test_named_history_id_pair(A, B, C, D),
    test_named_history_id_pairs(A, E, C, F).
format_rule(A) :-
    A=pragma(_, _, _, B, D),
    (   B=yes(C)
    ->  write('rule '),
        write(C)
    ;   write('rule number '),
        write(D)
    ),
    get_line_number(D, E),
    write(' at '),
    write(E).
check_ast_rule_indexing(A, H) :-
    A=ast_rule(B, D, _, _, _),
    tree_set_empty(C),
    ast_head_variables(B, C, E),
    ast_remove_anti_monotonic_guards(D, E, F),
    ast_term_list_variables(F, C, G),
    check_ast_head_indexing(B, G),
    (   chr_pp_flag(term_indexing, on)
    ->  H=pragma(I, _, _, _, _),
        I=rule(J, K, L, _),
        term_variables(J-K, M),
        remove_anti_monotonic_guards(L, M, N),
        term_variables(N, P),
        append(J, K, O),
        check_specs_indexing(O, P, _)
    ;   true
    ).
check_ast_head_indexing(simplification(A), B) :-
    check_ast_indexing(A, B).
check_ast_head_indexing(propagation(A), B) :-
    check_ast_indexing(A, B).
check_ast_head_indexing(simpagation(C, A), B) :-
    ast_constraint_list_variables(A, B, D),
    check_ast_indexing(C, D),
    ast_constraint_list_variables(C, B, E),
    check_ast_indexing(A, E).
check_rule_indexing(A) :-
    A=pragma(B, _, _, _, _),
    B=rule(C, D, E, _),
    term_variables(C-D, F),
    remove_anti_monotonic_guards(E, F, G),
    check_indexing(C, G-D),
    check_indexing(D, G-C),
    (   chr_pp_flag(term_indexing, on)
    ->  term_variables(G, I),
        append(C, D, H),
        check_specs_indexing(H, I, _)
    ;   true
    ).
remove_anti_monotonic_guards(A, C, E) :-
    conj2list(A, B),
    remove_anti_monotonic_guard_list(B, C, D),
    list2conj(D, E).
remove_anti_monotonic_guard_list([], _, []).
remove_anti_monotonic_guard_list([A|F], C, D) :-
    (   A=var(B),
        memberchk_eq(B, C)
    ->  D=E
    ;   D=[A|E]
    ),
    remove_anti_monotonic_guard_list(F, C, E).
ast_remove_anti_monotonic_guards([], _, []).
ast_remove_anti_monotonic_guards([A|F], C, D) :-
    (   A=compound(var, 1, [B], _),
        ast_var_memberchk(B, C)
    ->  D=E
    ;   D=[A|E]
    ),
    ast_remove_anti_monotonic_guards(F, C, E).
check_ast_indexing([], _).
check_ast_indexing([A|B], C) :-
    A=chr_constraint(E, D, _),
    ast_constraint_list_variables(B, C, F),
    check_ast_indexing(D, 1, E, F),
    ast_constraint_variables(A, C, G),
    check_ast_indexing(B, G).
check_ast_indexing([], _, _, _).
check_ast_indexing([C|D], B, A, E) :-
    (   is_indexed_argument(A, B)
    ->  true
    ;   ast_nonvar(C)
    ->  indexed_argument(A, B)
    ;   ast_term_list_variables(D, E, F),
        (   ast_var_memberchk(C, F)
        ->  indexed_argument(A, B)
        ;   true
        )
    ),
    G is B+1,
    ast_term_variables(C, E, H),
    check_ast_indexing(D, G, A, H).
check_indexing([], _).
check_indexing([A|B], C) :-
    functor(A, E, F),
    A=..[_|D],
    term_variables(B-C, G),
    check_indexing(D, 1, E/F, G),
    check_indexing(B, [A|C]).
check_indexing([], _, _, _).
check_indexing([C|D], B, A, F) :-
    (   is_indexed_argument(A, B)
    ->  true
    ;   nonvar(C)
    ->  indexed_argument(A, B)
    ;   term_variables(D, E),
        append(E, F, G),
        (   memberchk_eq(C, G)
        ->  indexed_argument(A, B)
        ;   true
        )
    ),
    I is B+1,
    term_variables(C, H),
    append(H, F, J),
    check_indexing(D, I, A, J).
check_specs_indexing([], _, []).
check_specs_indexing([D|B], C, A) :-
    A=[F|H],
    term_variables(B, E, C),
    check_spec_indexing(D, E, F),
    term_variables(D, G, C),
    check_specs_indexing(B, G, H).
check_spec_indexing(A, F, B) :-
    functor(A, C, D),
    B=spec(C, D, G),
    A=..[_|E],
    check_args_spec_indexing(E, 1, F, G),
    indexing_spec(C/D, [G]).
check_args_spec_indexing([], _, _, []).
check_args_spec_indexing([C|A], D, B, F) :-
    term_variables(A, E, B),
    (   check_arg_spec_indexing(C, D, E, G)
    ->  F=[G|H]
    ;   F=H
    ),
    I is D+1,
    term_variables(C, J, B),
    check_args_spec_indexing(A, I, J, H).
check_arg_spec_indexing(A, D, B, C) :-
    (   var(A)
    ->  memberchk_eq(A, B),
        C=specinfo(D, any, [])
    ;   functor(A, E, F),
        C=specinfo(D, E/F, [H]),
        A=..[_|G],
        check_args_spec_indexing(G, 1, B, H)
    ).
add_occurrences(A, B) :-
    maplist(add_rule_occurrences, A, B).
add_rule_occurrences(A, B) :-
    A=pragma(_, D, _, _, E),
    B=ast_rule(C, _, _, _, _),
    add_head_occurrences(C, D, E).
add_head_occurrences(simplification(B), ids(C, _), A) :-
    maplist(add_constraint_occurrence(A, simplification), B, C).
add_head_occurrences(propagation(B), ids(_, C), A) :-
    maplist(add_constraint_occurrence(A, propagation), B, C).
add_head_occurrences(simpagation(B, D), ids(C, E), A) :-
    maplist(add_constraint_occurrence(A, simplification), B, C),
    maplist(add_constraint_occurrence(A, propagation), D, E).
add_constraint_occurrence(C, E, A, D) :-
    A=chr_constraint(B, _, _),
    new_occurrence(B, C, D, E).
observation_analysis(A, C, B, E) :-
    (   all_spawned(A, B)
    ->  true
    ;   var(C)
    ->  spawns_all(A, B)
    ;   C=true
    ->  true
    ;   C=fail
    ->  true
    ;   C=!
    ->  true
    ;   C=(D, F)
    ->  observation_analysis(A, D, B, E),
        observation_analysis(A, F, B, E)
    ;   C=(D;F)
    ->  observation_analysis(A, D, B, E),
        observation_analysis(A, F, B, E)
    ;   C=(D->F)
    ->  observation_analysis(A, D, B, E),
        observation_analysis(A, F, B, E)
    ;   C=(\+G)
    ->  observation_analysis(A, G, B, E)
    ;   functor(C, H, I),
        memberchk(H/I, E)
    ->  spawns(A, B, H/I)
    ;   C=(_=_)
    ->  spawns_all_triggers(A, B)
    ;   C=(_ is _)
    ->  spawns_all_triggers(A, B)
    ;   builtin_binds_b(C, J)
    ->  (   J==[]
        ->  true
        ;   spawns_all_triggers(A, B)
        )
    ;   spawns_all(A, B)
    ).
is_observed(A, B) :-
    is_observed(A, B, _),
    ai_is_observed(A, B).
is_stored_in_guard(A, B) :-
    chr_pp_flag(store_in_guards, on),
    do_is_observed(A, B, guard).
generate_attach_detach_a_constraint_all([], []).
generate_attach_detach_a_constraint_all([A|D], F) :-
    (   (   chr_pp_flag(debugable, on)
        ;   is_stored(A),
            \+ only_ground_indexed_arguments(A),
            \+ get_store_type(A, var_assoc_store(_, _))
        )
    ->  generate_attach_a_constraint(A, B),
        generate_detach_a_constraint(A, C)
    ;   B=[],
        C=[]
    ),
    generate_attach_detach_a_constraint_all(D, E),
    append([B, C, E], F).
generate_attach_a_constraint(A, [B, C]) :-
    generate_attach_a_constraint_nil(A, B),
    generate_attach_a_constraint_cons(A, C).
attach_constraint_atom(A, D, E, B) :-
    make_name(attach_, A, C),
    B=..[C, D, E].
generate_attach_a_constraint_nil(B, A) :-
    A=(C:-true),
    attach_constraint_atom(B, [], _, C).
generate_attach_a_constraint_cons(B, A) :-
    A=(C:-F),
    attach_constraint_atom(B, [I|D], E, C),
    attach_constraint_atom(B, D, E, G),
    F=(J, L, G),
    get_max_constraint_index(H),
    (   H==1
    ->  generate_attach_body_1(B, I, E, J)
    ;   generate_attach_body_n(B, I, E, J)
    ),
    chr_pp_flag(solver_events, K),
    (   K\==none
    ->  _=[[I|_], E],
        get_target_module(M),
        use_auxiliary_predicate(run_suspensions),
        L=clp_events:subscribe(I, K, M, M:'$run_suspensions'([E]))
    ;   L=true
    ).
generate_attach_body_1(_, B, D, A) :-
    get_target_module(C),
    A=(get_attr(B, C, E)->put_attr(B, C, [D|E]);put_attr(B, C, [D])).
generate_attach_body_n(A/B, G, D, F) :-
    chr_pp_flag(experiment, off),
    !,
    get_constraint_index(A/B, E),
    get_max_constraint_index(C),
    get_target_module(H),
    add_attr(C, D, E, I, J, K),
    singleton_attr(C, D, E, L),
    F=(get_attr(G, H, I)->J, put_attr(G, H, K);put_attr(G, H, L)),
    !.
generate_attach_body_n(A/B, G, E, F) :-
    chr_pp_flag(experiment, on),
    !,
    get_constraint_index(A/B, C),
    or_pattern(C, L),
    J is C+1,
    get_max_constraint_index(D),
    get_target_module(H),
    singleton_attr(D, E, C, O),
    F=(get_attr(G, H, I)->arg(1, I, K), arg(J, I, N), M is K\/L, setarg(1, I, M), setarg(J, I, [E|N]);put_attr(G, H, O)),
    !.
generate_detach_a_constraint(A, [B, C]) :-
    generate_detach_a_constraint_nil(A, B),
    generate_detach_a_constraint_cons(A, C).
detach_constraint_atom(A, D, E, B) :-
    make_name(detach_, A, C),
    B=..[C, D, E].
generate_detach_a_constraint_nil(B, A) :-
    A=(C:-true),
    detach_constraint_atom(B, [], _, C).
generate_detach_a_constraint_cons(B, A) :-
    A=(C:-F),
    detach_constraint_atom(B, [I|D], E, C),
    detach_constraint_atom(B, D, E, G),
    F=(J, G),
    get_max_constraint_index(H),
    (   H==1
    ->  generate_detach_body_1(B, I, E, J)
    ;   generate_detach_body_n(B, I, E, J)
    ).
generate_detach_body_1(_, B, E, A) :-
    get_target_module(C),
    A=(get_attr(B, C, D)->'chr sbag_del_element'(D, E, F), (F==[]->del_attr(B, C);put_attr(B, C, F));true).
generate_detach_body_n(A/B, D, E, G) :-
    get_constraint_index(A/B, F),
    get_max_constraint_index(C),
    rem_attr(C, D, E, F, I, J),
    get_target_module(H),
    G=(get_attr(D, H, I)->J;true),
    !.
create_indexed_variables_body([], [], [], _, _, _, empty, 0).
create_indexed_variables_body([J|B], [G|C], [H|D], K, A, F, I, O) :-
    E is A+1,
    create_indexed_variables_body(B,
                                  C,
                                  D,
                                  L,
                                  E,
                                  F,
                                  M,
                                  P),
    (   G==(?),
        is_indexed_argument(F, A)
    ->  (   atomic_type(H)
        ->  I=((var(J)->K=[J|L];K=L), N),
            (   M==empty
            ->  N=true,
                L=[]
            ;   N=M
            )
        ;   M==empty
        ->  I=term_variables(J, K)
        ;   I=(term_variables(J, K, L), M)
        ),
        O=P
    ;   G==(-),
        is_indexed_argument(F, A)
    ->  (   M==empty
        ->  I=(K=[J])
        ;   I=(K=[J|L], M)
        ),
        O is P+1
    ;   K=L,
        I=M,
        O is P+1
    ).
spectermvars(B, A, C, D, F, E) :-
    spectermvars(A, 1, B, C, D, E, [], F).
spectermvars([], B, _, _, C, A, A, true) :-
    B>C,
    !.
spectermvars([F|I], C, B, L, M, H, O, A) :-
    A=(G, P),
    argspecs(B, C, D, K),
    merge_argspecs(D, E),
    arggoal(E, F, G, H, N),
    J is C+1,
    spectermvars(I,
                 J,
                 K,
                 L,
                 M,
                 N,
                 O,
                 P).
argspecs([], _, [], []).
argspecs([[]|A], B, C, D) :-
    argspecs(A, B, C, D).
argspecs([[specinfo(B, D, E)|F]|J], A, C, G) :-
    (   A==B
    ->  C=[specinfo(B, D, E)|I],
        (   F=[]
        ->  H=G
        ;   G=[F|H]
        )
    ;   C=I,
        G=[[specinfo(B, D, E)|F]|H]
    ),
    argspecs(J, A, I, H).
merge_argspecs(A, C) :-
    sort(A, B),
    merge_argspecs_(B, C).
merge_argspecs_([], []).
merge_argspecs_([B], A) :-
    !,
    A=[B].
merge_argspecs_([specinfo(A, B, F), specinfo(A, C, G)|D], E) :-
    (   (   B==any
        ;   C==any
        )
    ->  merge_argspecs_([specinfo(A, any, [])|D], E)
    ;   B==C
    ->  append(F, G, H),
        merge_argspecs_([specinfo(A, B, H)|D], E)
    ;   E=[specinfo(A, B, F)|I],
        merge_argspecs_([specinfo(A, C, G)|D], I)
    ).
arggoal(A, E, D, B, C) :-
    (   A==[]
    ->  B=C,
        D=true
    ;   A=[specinfo(_, any, _)]
    ->  D=term_variables(E, B, C)
    ;   D=(var(E)->B=[E|C];F),
        arggoal_cases(A, E, B, C, F)
    ).
arggoal_cases([], _, A, B, A=B).
arggoal_cases([specinfo(_, D, A)|N], I, K, L, B) :-
    (   A==[]
    ->  B=C
    ;   A==[[]]
    ->  B=C
    ;   D=E/F
    ->  B=(H;C),
        functor(G, E, F),
        G=..[_|J],
        H=(I=G->M),
        spectermvars(J,
                     1,
                     A,
                     E,
                     F,
                     K,
                     L,
                     M)
    ),
    arggoal_cases(N, I, K, L, C).
generate_extra_clauses(A, B) :-
    generate_activate_clauses(A, B, C),
    generate_remove_clauses(A, C, D),
    generate_allocate_clauses(A, D, E),
    generate_insert_constraint_internal_clauses(A, E, F),
    generate_novel_production(F, G),
    generate_extend_history(G, H),
    generate_run_suspensions_clauses(A, H, I),
    generate_empty_named_history_initialisations(I, J),
    J=[].
generate_remove_clauses([], A, A).
generate_remove_clauses([A|C], B, E) :-
    generate_remove_clause(A, B, D),
    generate_remove_clauses(C, D, E).
remove_constraint_goal(A, E, F, D, C, I, B) :-
    uses_state(A, removed),
    (   chr_pp_flag(inline_insertremove, off)
    ->  use_auxiliary_predicate(remove_constraint_internal, A),
        B=(H, (G==yes->C;D)),
        remove_constraint_atom(A, E, F, G, H)
    ;   delay_phase_end(validate_store_type_assumptions,
                        generate_remove_body(A,
                                             E,
                                             F,
                                             D,
                                             C,
                                             I,
                                             B))
    ).
remove_constraint_atom(A, D, F, E, B) :-
    make_name('$remove_constraint_internal_', A, C),
    (   chr_pp_flag(debugable, off),
        (   only_ground_indexed_arguments(A)
        ;   get_store_type(A, var_assoc_store(_, _))
        )
    ->  B=..[C, D, E]
    ;   B=..[C, D, F, E]
    ).
generate_remove_clause(A, B, C) :-
    (   is_used_auxiliary_predicate(remove_constraint_internal, A)
    ->  B=[D|C],
        D=(E:-I),
        remove_constraint_atom(A, F, G, H, E),
        generate_remove_body(A,
                             F,
                             G,
                             H=no,
                             H=yes,
                             active,
                             I)
    ;   B=C
    ).
generate_remove_body(A, C, O, F, G, B, L) :-
    (   chr_pp_flag(debugable, off),
        (   only_ground_indexed_arguments(A)
        ;   get_store_type(A, var_assoc_store(_, _))
        )
    ->  (   B==active
        ->  get_update_suspension_field(A,
                                        C,
                                        state,
                                        E,
                                        removed,
                                        H,
                                        D,
                                        I),
            if_used_state(A, not_stored_yet, D, true, J),
            if_used_state(A,
                          not_stored_yet,
                          (E==not_stored_yet->F;G),
                          G,
                          K)
        ;   B==partner
        ->  get_update_suspension_field(A,
                                        C,
                                        state,
                                        E,
                                        removed,
                                        H,
                                        _,
                                        I),
            J=true,
            K=G
        ),
        L=(H, J, I, K)
    ;   static_suspension_term(A, M),
        get_static_suspension_term_field(arguments, A, M, N),
        generate_indexed_variables_body(A, N, Q, O),
        (   chr_pp_flag(debugable, on)
        ->  A=P/_,
            get_static_suspension_term_field(functor,
                                             A,
                                             M,
                                             P)
        ;   true
        ),
        (   B==active
        ->  get_update_static_suspension_field(A,
                                               C,
                                               M,
                                               state,
                                               E,
                                               removed,
                                               D,
                                               I),
            if_used_state(A, not_stored_yet, D, true, J),
            if_used_state(A,
                          not_stored_yet,
                          (E==not_stored_yet->O=[], F;Q, G),
                          (Q, G),
                          K)
        ;   B==partner
        ->  get_update_static_suspension_field(A,
                                               C,
                                               M,
                                               state,
                                               E,
                                               removed,
                                               _,
                                               I),
            J=true,
            K=(Q, G)
        ),
        L=(C=M, J, I, K)
    ).
generate_activate_clauses([], A, A).
generate_activate_clauses([A|C], B, E) :-
    generate_activate_clause(A, B, D),
    generate_activate_clauses(C, D, E).
activate_constraint_goal(A, C, E, F, G, B) :-
    (   chr_pp_flag(inline_insertremove, off)
    ->  use_auxiliary_predicate(activate_constraint, A),
        B=(H, (D==yes->C;true)),
        activate_constraint_atom(A,
                                 D,
                                 E,
                                 F,
                                 G,
                                 H)
    ;   delay_phase_end(validate_store_type_assumptions,
                        activate_constraint_body(A,
                                                 C,
                                                 true,
                                                 E,
                                                 F,
                                                 G,
                                                 B))
    ).
activate_constraint_atom(A, D, G, E, F, B) :-
    make_name('$activate_constraint_', A, C),
    (   chr_pp_flag(debugable, off),
        only_ground_indexed_arguments(A)
    ->  B=..[C, D, E]
    ;   chr_pp_flag(debugable, off),
        may_trigger(A),
        get_store_type(A, var_assoc_store(_, _))
    ->  B=..[C, D, E, F]
    ;   chr_pp_flag(debugable, off),
        may_trigger(A),
        get_store_type(A, var_assoc_store(_, _))
    ->  B=..[C, D, G, E, F]
    ;   B=..[C, D, G, E]
    ).
generate_activate_clause(A, B, C) :-
    (   is_used_auxiliary_predicate(activate_constraint, A)
    ->  B=[D|C],
        D=(E:-J),
        activate_constraint_atom(A,
                                 F,
                                 G,
                                 H,
                                 I,
                                 E),
        activate_constraint_body(A,
                                 F=yes,
                                 F=no,
                                 G,
                                 H,
                                 I,
                                 J)
    ;   B=C
    ).
activate_constraint_body(A, K, L, N, B, C, S) :-
    (   chr_pp_flag(debugable, off),
        may_trigger(A),
        uses_field(A, generation)
    ->  get_update_suspension_field(A,
                                    B,
                                    generation,
                                    F,
                                    C,
                                    D,
                                    E,
                                    G),
        H=(D, E, C is F+1, G)
    ;   H=true
    ),
    get_update_suspension_field(A,
                                B,
                                state,
                                J,
                                active,
                                T,
                                I,
                                V),
    if_used_state(A, not_stored_yet, I, true, U),
    (   chr_pp_flag(debugable, off),
        (   only_ground_indexed_arguments(A)
        ;   get_store_type(A, var_assoc_store(_, _))
        )
    ->  if_used_state(A,
                      not_stored_yet,
                      (J==not_stored_yet->K;L),
                      L,
                      R)
    ;   get_dynamic_suspension_term_field(arguments,
                                          A,
                                          B,
                                          M,
                                          O),
        generate_indexed_variables_body(A, M, P, N),
        chr_none_locked(N, Q),
        if_used_state(A,
                      not_stored_yet,
                      (J==not_stored_yet->O, P, Q, K;L),
                      L,
                      R)
    ),
    S=(T, U, V, H, R).
generate_allocate_clauses([], A, A).
generate_allocate_clauses([A|C], B, E) :-
    generate_allocate_clause(A, B, D),
    generate_allocate_clauses(C, D, E).
allocate_constraint_goal(A, B, C, D) :-
    uses_state(A, not_stored_yet),
    (   chr_pp_flag(inline_insertremove, off)
    ->  use_auxiliary_predicate(allocate_constraint, A),
        allocate_constraint_atom(A, B, C, D)
    ;   D=(B=E, F),
        delay_phase_end(validate_store_type_assumptions,
                        allocate_constraint_body(A,
                                                 E,
                                                 C,
                                                 F))
    ).
allocate_constraint_atom(A, D, E, B) :-
    make_name('$allocate_constraint_', A, C),
    B=..[C, D|E].
generate_allocate_clause(A, B, C) :-
    (   is_used_auxiliary_predicate(allocate_constraint, A)
    ->  B=[D|C],
        D=(G:-I),
        A=_/E,
        length(F, E),
        allocate_constraint_atom(A, H, F, G),
        allocate_constraint_body(A, H, F, I)
    ;   B=C
    ).
allocate_constraint_body(A, E, C, P) :-
    static_suspension_term(A, B),
    get_static_suspension_term_field(arguments, A, B, C),
    (   chr_pp_flag(debugable, on)
    ->  A=D/_,
        get_static_suspension_term_field(functor, A, B, D)
    ;   true
    ),
    (   chr_pp_flag(debugable, on)
    ->  (   may_trigger(A)
        ->  append(C, [E], F),
            build_head(_, _, [0], F, H),
            get_target_module(G),
            I=G:H
        ;   I=true
        ),
        K=(E=B),
        create_static_suspension_field(A,
                                       B,
                                       continuation,
                                       I,
                                       L),
        create_static_suspension_field(A, B, generation, 0, J)
    ;   may_trigger(A),
        uses_field(A, generation)
    ->  create_static_suspension_field(A, B, generation, 0, J),
        E=B,
        K=true,
        L=true
    ;   J=true,
        E=B,
        K=true,
        L=true
    ),
    (   uses_history(A)
    ->  create_static_suspension_field(A, B, history, t, M)
    ;   M=true
    ),
    create_static_suspension_field(A,
                                   B,
                                   state,
                                   not_stored_yet,
                                   Q),
    (   has_suspension_field(A, id)
    ->  get_static_suspension_term_field(id, A, B, N),
        gen_id(N, O)
    ;   O=true
    ),
    P=(K, L, J, M, Q, O).
gen_id(A, 'chr gen_id'(A)).
generate_insert_constraint_internal_clauses([], A, A).
generate_insert_constraint_internal_clauses([A|C], B, E) :-
    generate_insert_constraint_internal_clause(A, B, D),
    generate_insert_constraint_internal_clauses(C, D, E).
insert_constraint_internal_constraint_goal(A, B, C, D, E, F) :-
    (   chr_pp_flag(inline_insertremove, off)
    ->  use_auxiliary_predicate(remove_constraint_internal, A),
        insert_constraint_internal_constraint_atom(A,
                                                   B,
                                                   C,
                                                   D,
                                                   E,
                                                   F)
    ;   delay_phase_end(validate_store_type_assumptions,
                        generate_insert_constraint_internal_body(A,
                                                                 C,
                                                                 D,
                                                                 E,
                                                                 B,
                                                                 F))
    ).
insert_constraint_internal_constraint_atom(A, D, E, F, G, B) :-
    insert_constraint_internal_constraint_name(A, C),
    (   chr_pp_flag(debugable, on)
    ->  B=..[C, D, E, F|G]
    ;   (   only_ground_indexed_arguments(A)
        ;   get_store_type(A, var_assoc_store(_, _))
        )
    ->  B=..[C, E|G]
    ;   B=..[C, D, E|G]
    ).
insert_constraint_internal_constraint_name(A, B) :-
    make_name('$insert_constraint_internal_', A, B).
generate_insert_constraint_internal_clause(A, B, C) :-
    (   is_used_auxiliary_predicate(insert_constraint_internal, A)
    ->  B=[D|C],
        D=(G:-K),
        A=_/E,
        length(F, E),
        insert_constraint_internal_constraint_atom(A,
                                                   J,
                                                   H,
                                                   I,
                                                   F,
                                                   G),
        generate_insert_constraint_internal_body(A,
                                                 H,
                                                 I,
                                                 F,
                                                 J,
                                                 K)
    ;   B=C
    ).
generate_insert_constraint_internal_body(A, K, C, G, M, J) :-
    static_suspension_term(A, B),
    create_static_suspension_field(A, B, state, active, L),
    (   chr_pp_flag(debugable, on)
    ->  get_static_suspension_term_field(continuation, A, B, C),
        create_static_suspension_field(A, B, generation, 0, D)
    ;   may_trigger(A),
        uses_field(A, generation)
    ->  create_static_suspension_field(A, B, generation, 0, D)
    ;   D=true
    ),
    (   chr_pp_flag(debugable, on)
    ->  A=E/_,
        get_static_suspension_term_field(functor, A, B, E)
    ;   true
    ),
    (   uses_history(A)
    ->  create_static_suspension_field(A, B, history, t, F)
    ;   F=true
    ),
    get_static_suspension_term_field(arguments, A, B, G),
    _=[_|_],
    (   chr_pp_flag(debugable, off),
        (   only_ground_indexed_arguments(A)
        ;   get_store_type(A, var_assoc_store(_, _))
        )
    ->  suspension_term_base_fields(A, _),
        (   has_suspension_field(A, id)
        ->  get_static_suspension_term_field(id, A, B, H),
            gen_id(H, I)
        ;   I=true
        ),
        J=(K=B, L, D, F, I)
    ;   (   has_suspension_field(A, id)
        ->  get_static_suspension_term_field(id, A, B, H),
            gen_id(H, I)
        ;   I=true
        ),
        generate_indexed_variables_body(A, G, N, M),
        chr_none_locked(M, O),
        J=(K=B, N, O, L, D, F, I)
    ).
generate_novel_production(A, B) :-
    (   is_used_auxiliary_predicate(novel_production)
    ->  A=[C|B],
        C=('$novel_production'(D, E):-arg(3, D, F), (hprolog:get_ds(E, F, _)->fail;true))
    ;   A=B
    ).
generate_extend_history(A, B) :-
    (   is_used_auxiliary_predicate(extend_history)
    ->  A=[C|B],
        C=('$extend_history'(D, E):-arg(3, D, F), hprolog:put_ds(E, F, x, G), setarg(3, D, G))
    ;   A=B
    ).
generate_empty_named_history_initialisations(A, B) :-
    empty_named_history_initialisations(A, B),
    find_empty_named_histories.
empty_named_history_global_variable(A, B) :-
    atom_concat('chr empty named history ', A, B).
empty_named_history_novel_production(A, nb_getval(B, 0)) :-
    empty_named_history_global_variable(A, B).
empty_named_history_extend_history(A, b_setval(B, 1)) :-
    empty_named_history_global_variable(A, B).
generate_run_suspensions_clauses([], A, A).
generate_run_suspensions_clauses([A|C], B, E) :-
    generate_run_suspensions_clause(A, B, D),
    generate_run_suspensions_clauses(C, D, E).
run_suspensions_goal(A, D, B) :-
    make_name('$run_suspensions_', A, C),
    B=..[C, D].
generate_run_suspensions_clause(A, B, C) :-
    (   is_used_auxiliary_predicate(run_suspensions, A)
    ->  B=[D, G|C],
        run_suspensions_goal(A, [], D),
        (   chr_pp_flag(debugable, on)
        ->  run_suspensions_goal(A, [E|F], H),
            get_update_suspension_field(A,
                                        E,
                                        state,
                                        K,
                                        triggered,
                                        I,
                                        J,
                                        L),
            get_update_suspension_field(A,
                                        E,
                                        state,
                                        V,
                                        active,
                                        T,
                                        U,
                                        W),
            get_update_suspension_field(A,
                                        E,
                                        generation,
                                        P,
                                        O,
                                        M,
                                        N,
                                        Q),
            get_dynamic_suspension_term_field(continuation,
                                              A,
                                              E,
                                              S,
                                              R),
            run_suspensions_goal(A, F, X),
            G=(H:-I, J, (K==active->L, M, N, O is P+1, Q, R, ('chr debugging'->('chr debug_event'(wake(E)), call(S);'chr debug_event'(fail(E)), !, fail), ('chr debug_event'(exit(E));'chr debug_event'(redo(E)), fail);call(S)), T, U, (V==triggered->W;true);true), X)
        ;   run_suspensions_goal(A, [E|F], H),
            static_suspension_term(A, Y),
            get_static_suspension_term_field(arguments,
                                             A,
                                             Y,
                                             Z),
            append(Z, [E], A1),
            make_suspension_continuation_goal(A, A1, S),
            run_suspensions_goal(A, F, X),
            (   uses_field(A, generation)
            ->  get_update_static_suspension_field(A,
                                                   E,
                                                   Y,
                                                   generation,
                                                   P,
                                                   O,
                                                   M,
                                                   Q),
                B1=(M, O is P+1, Q)
            ;   B1=true
            ),
            get_update_static_suspension_field(A,
                                               E,
                                               Y,
                                               state,
                                               K,
                                               triggered,
                                               I,
                                               L),
            get_update_static_suspension_field(A,
                                               E,
                                               Y,
                                               state,
                                               V,
                                               active,
                                               D1,
                                               E1),
            if_used_state(A,
                          removed,
                          (I, (K==active->C1;true)),
                          C1,
                          F1),
            C1=(L, B1, S, D1, (V==triggered->E1;true)),
            G=(H:-E=Y, F1, X)
        )
    ;   B=C
    ).
generate_attach_increment(B) :-
    get_max_constraint_index(A),
    (   is_used_auxiliary_predicate(attach_increment),
        A>0
    ->  B=[C, D],
        generate_attach_increment_empty(C),
        (   A==1
        ->  generate_attach_increment_one(D)
        ;   generate_attach_increment_many(A, D)
        )
    ;   B=[]
    ).
generate_attach_increment_empty((attach_increment([], _):-true)).
generate_attach_increment_one(I) :-
    J=attach_increment([A|H], E),
    get_target_module(C),
    chr_not_locked(A, B),
    K=(B, (get_attr(A, C, D)->sort(D, F), 'chr merge_attributes'(E, F, G), put_attr(A, C, G);put_attr(A, C, E)), attach_increment(H, E)),
    I=(J:-K).
generate_attach_increment_many(A, J) :-
    K=attach_increment([C|I], B),
    merge_attributes(A, B, F, G, H),
    get_target_module(E),
    chr_not_locked(C, D),
    L=(D, (get_attr(C, E, F)->G, put_attr(C, E, H);put_attr(C, E, B)), attach_increment(I, B)),
    J=(K:-L).
generate_attr_unify_hook(B) :-
    get_max_constraint_index(A),
    (   A==0
    ->  B=[]
    ;   B=[C|E],
        C=attribute_goals(_, D, D),
        (   A==1
        ->  generate_attr_unify_hook_one(E)
        ;   generate_attr_unify_hook_many(A, E)
        )
    ).
generate_attr_unify_hook_one([S]) :-
    T=attr_unify_hook(E, N),
    get_target_module(P),
    get_indexed_constraint(1, A),
    (   get_store_type(A, B),
        (   B=default
        ;   B=multi_store(C),
            memberchk(default, C)
        )
    ->  make_run_suspensions(H, D, Q),
        make_run_suspensions(D, D, R),
        (   atomic_types_suspended_constraint(A)
        ->  I=true,
            D=E,
            J=true,
            K=F,
            L=(append(E, F, G), sort(G, H)),
            M=true
        ;   I=sort(E, D),
            J=sort(F, K),
            L='chr merge_attributes'(D, K, H),
            use_auxiliary_predicate(attach_increment),
            M=(compound(N)->term_variables(N, O), attach_increment(O, D);true)
        ),
        U=(I, (var(N)->(get_attr(N, P, F)->J, L, put_attr(N, P, H), Q;put_attr(N, P, D), R);M, R)),
        S=(T:-U)
    ;   get_store_type(A, var_assoc_store(_, _))
    ->  make_run_suspensions(G, G, Q),
        L=merge_into_assoc_store(E, F, G),
        U=(get_attr(N, P, F)->L, Q;put_attr(N, P, E)),
        S=(T:-U)
    ).
generate_attr_unify_hook_many(A, [X]) :-
    chr_pp_flag(dynattr, off),
    !,
    Y=attr_unify_hook(B, O),
    get_target_module(S),
    make_attr(A, H, D, B),
    bagof(E,
          C^F^(member(C, D), E=sort(C, F)),
          G),
    list2conj(G, R),
    bagof(F, C^member(sort(C, F), G), I),
    merge_attributes2(A, H, I, T, U, J),
    get_all_suspensions2(A, J, K),
    make_attr(A, H, I, Q),
    make_run_suspensions_loop(K, I, V),
    make_run_suspensions_loop(I, I, W),
    (   forall(( between(1, A, L),
                 get_indexed_constraint(L, M)
               ),
               atomic_types_suspended_constraint(M))
    ->  N=true
    ;   use_auxiliary_predicate(attach_increment),
        N=(compound(O)->term_variables(O, P), attach_increment(P, Q);true)
    ),
    Z=(R, (var(O)->(get_attr(O, S, T)->U, put_attr(O, S, J), V;put_attr(O, S, Q), W);N, W)),
    X=(Y:-Z).
generate_attr_unify_hook_many(B, R) :-
    P=attr_unify_hook(A, H),
    get_target_module(K),
    normalize_attr(A, J, C),
    normalize_attr(L, M, D),
    merge_attributes(B, C, D, N, O),
    make_run_suspensions(B),
    (   forall(( between(1, B, E),
                 get_indexed_constraint(E, F)
               ),
               atomic_types_suspended_constraint(F))
    ->  G=true
    ;   use_auxiliary_predicate(attach_increment),
        G=(compound(H)->term_variables(H, I), attach_increment(I, C);true)
    ),
    Q=(J, (var(H)->(get_attr(H, K, L)->M, N, put_attr(H, K, O), '$dispatch_run_suspensions'(O);put_attr(H, K, C), '$dispatch_run_suspensions'(C));G, '$dispatch_run_suspensions'(C))),
    S=(P:-Q),
    R=[S, T, U|Y],
    T='$dispatch_run_suspensions'([]),
    U=('$dispatch_run_suspensions'([V-W|X]):-'$dispatch_run_suspensions'(V, W), '$dispatch_run_suspensions'(X)),
    run_suspensions_dispatchers(B, [], Y).
run_suspensions_dispatchers(A, B, H) :-
    (   A>0
    ->  get_indexed_constraint(A, C),
        G=[('$dispatch_run_suspensions'(A, D):-E)|B],
        (   may_trigger(C)
        ->  run_suspensions_goal(C, D, E)
        ;   E=true
        ),
        F is A-1,
        run_suspensions_dispatchers(F, G, H)
    ;   H=B
    ).
make_run_suspensions(A) :-
    (   A>0
    ->  (   get_indexed_constraint(A, B),
            may_trigger(B)
        ->  use_auxiliary_predicate(run_suspensions, B)
        ;   true
        ),
        C is A-1,
        make_run_suspensions(C)
    ;   true
    ).
make_run_suspensions(A, B, C) :-
    make_run_suspensions(1, A, B, C).
make_run_suspensions(A, E, C, D) :-
    (   get_indexed_constraint(A, B),
        may_trigger(B)
    ->  use_auxiliary_predicate(run_suspensions, B),
        (   wakes_partially(B)
        ->  run_suspensions_goal(B, C, D)
        ;   run_suspensions_goal(B, E, D)
        )
    ;   D=true
    ).
make_run_suspensions_loop(A, B, C) :-
    make_run_suspensions_loop(A, B, 1, C).
make_run_suspensions_loop([], [], _, true).
make_run_suspensions_loop([B|E], [C|F], A,  (D, H)) :-
    make_run_suspensions(A, B, C, D),
    G is A+1,
    make_run_suspensions_loop(E, F, G, H).
generate_insert_delete_constraints([], []).
generate_insert_delete_constraints([A|D], B) :-
    (   is_stored(A)
    ->  generate_insert_delete_constraint(A, B, C)
    ;   B=C
    ),
    generate_insert_delete_constraints(D, C).
generate_insert_delete_constraint(A, B, D) :-
    insert_constraint_clause(A, B, C),
    delete_constraint_clause(A, C, D).
insert_constraint_goal(A, B, E, C) :-
    (   chr_pp_flag(inline_insertremove, off)
    ->  use_auxiliary_predicate(insert_in_store, A),
        insert_constraint_atom(A, B, C)
    ;   delay_phase_end(validate_store_type_assumptions,
                        (insert_constraint_body(A, B, D, C), insert_constraint_direct_used_vars(D, E)))
    ).
insert_constraint_direct_used_vars([], _).
insert_constraint_direct_used_vars([A-C|D], B) :-
    nth1(A, B, C),
    insert_constraint_direct_used_vars(D, B).
insert_constraint_atom(A, D, B) :-
    make_name('$insert_in_store_', A, C),
    B=..[C, D].
insert_constraint_clause(A, B, C) :-
    (   is_used_auxiliary_predicate(insert_in_store, A)
    ->  B=[D|C],
        D=(E:-J, I, G),
        insert_constraint_atom(A, F, E),
        insert_constraint_body(A, F, H, G),
        insert_constraint_used_vars(H, A, F, I),
        (   chr_pp_flag(store_counter, on)
        ->  J='$insert_counter_inc'
        ;   J=true
        )
    ;   B=C
    ).
insert_constraint_used_vars([], _, _, true).
insert_constraint_used_vars([A-D|F], B, C,  (E, G)) :-
    get_dynamic_suspension_term_field(argument(A),
                                      B,
                                      C,
                                      D,
                                      E),
    insert_constraint_used_vars(F, B, C, G).
insert_constraint_body(A, C, D, E) :-
    get_store_type(A, B),
    insert_constraint_body(B, A, C, D, E).
insert_constraint_body(default, A, D, [], F) :-
    global_list_store_name(A, B),
    make_get_store_goal(B, E, G),
    make_update_store_goal(B, C, H),
    (   chr_pp_flag(debugable, on)
    ->  C=[D|E],
        F=(G, H)
    ;   set_dynamic_suspension_term_field(global_list_prev,
                                          A,
                                          I,
                                          C,
                                          J),
        F=(G, C=[D|E], H, (E=[I|_]->J;true))
    ).
insert_constraint_body(multi_inthash(A), B, C, [], D) :-
    generate_multi_inthash_insert_constraint_bodies(A,
                                                    B,
                                                    C,
                                                    D).
insert_constraint_body(multi_hash(A), B, C, E, D) :-
    generate_multi_hash_insert_constraint_bodies(A,
                                                 B,
                                                 C,
                                                 D,
                                                 E),
    sort_out_used_vars(E, _).
insert_constraint_body(atomic_constants(B, _, _), A, C, D, G) :-
    multi_hash_key_direct(A, B, C, F, D),
    constants_store_index_name(A, B, E),
    H=..[E, F, I],
    G=(H->nb_getval(I, J), b_setval(I, [C|J]);true).
insert_constraint_body(ground_constants(B, _, _), A, C, D, G) :-
    multi_hash_key_direct(A, B, C, F, D),
    constants_store_index_name(A, B, E),
    H=..[E, F, I],
    G=(H->nb_getval(I, J), b_setval(I, [C|J]);true).
insert_constraint_body(global_ground, A, D, [], F) :-
    global_ground_store_name(A, B),
    make_get_store_goal(B, E, G),
    make_update_store_goal(B, C, H),
    (   chr_pp_flag(debugable, on)
    ->  C=[D|E],
        F=(G, H)
    ;   set_dynamic_suspension_term_field(global_list_prev,
                                          A,
                                          I,
                                          C,
                                          J),
        F=(G, C=[D|E], H, (E=[I|_]->J;true))
    ).
insert_constraint_body(var_assoc_store(A, B), _, H, [A-D, B-G], C) :-
    get_target_module(E),
    C=(get_attr(D, E, F)->insert_assoc_store(F, G, H);new_assoc_store(F), put_attr(D, E, F), insert_assoc_store(F, G, H)).
insert_constraint_body(global_singleton, A, C, [], D) :-
    global_singleton_store_name(A, B),
    make_update_store_goal(B, C, E),
    D=E.
insert_constraint_body(multi_store(C), A, B, G, E) :-
    maplist(insert_constraint_body1(A, B), C, F, D),
    list2conj(D, E),
    sort_out_used_vars(F, G).
insert_constraint_body1(B, C, A, D, E) :-
    insert_constraint_body(A, B, C, D, E).
insert_constraint_body(identifier_store(B), D, I, A, G) :-
    A=[B-H],
    get_identifier_size(C),
    functor(F, struct, C),
    get_identifier_index(D, B, E),
    arg(E, F, J),
    G=(H=F, setarg(E, H, [I|J])).
insert_constraint_body(type_indexed_identifier_store(B, C), D, I, A, G) :-
    A=[B-H],
    type_indexed_identifier_structure(C, F),
    get_type_indexed_identifier_index(C, D, B, E),
    arg(E, F, J),
    G=(H=F, setarg(E, H, [I|J])).
sort_out_used_vars(A, D) :-
    flatten(A, B),
    sort(B, C),
    sort_out_used_vars1(C, D).
sort_out_used_vars1([], []).
sort_out_used_vars1([B-C], A) :-
    !,
    A=[B-C].
sort_out_used_vars1([A-C, B-D|E], F) :-
    (   A==B
    ->  C=D,
        sort_out_used_vars1([A-C|E], F)
    ;   F=[A-C|G],
        sort_out_used_vars1([B-D|E], G)
    ).
generate_multi_inthash_insert_constraint_bodies([], _, _, true).
generate_multi_inthash_insert_constraint_bodies([B|I], A, C,  (D, J)) :-
    multi_hash_store_name(A, B, F),
    multi_hash_key(A, B, C, E, H),
    D=(E, nb_getval(F, G), insert_iht(G, H, C)),
    generate_multi_inthash_insert_constraint_bodies(I,
                                                    A,
                                                    C,
                                                    J).
generate_multi_hash_insert_constraint_bodies([], _, _, true, []).
generate_multi_hash_insert_constraint_bodies([B|N], A, C,  (G, O), [D|P]) :-
    multi_hash_store_name(A, B, E),
    multi_hash_key_direct(A, B, C, J, D),
    make_get_store_goal(E, I, H),
    (   chr_pp_flag(ht_removal, on)
    ->  ht_prev_field(B, F),
        set_dynamic_suspension_term_field(F,
                                          A,
                                          L,
                                          K,
                                          M),
        G=(H, insert_ht(I, J, C, K), (K=[_, L|_]->M;true))
    ;   G=(H, insert_ht(I, J, C))
    ),
    generate_multi_hash_insert_constraint_bodies(N,
                                                 A,
                                                 C,
                                                 O,
                                                 P).
delete_constraint_clause(A, B, C) :-
    (   is_used_auxiliary_predicate(delete_from_store, A)
    ->  B=[D|C],
        D=(E:-I),
        delete_constraint_atom(A, H, E),
        A=F/G,
        functor(E, F, G),
        delete_constraint_body(A, E, H, [], I)
    ;   B=C
    ).
delete_constraint_goal(A, E, G, F) :-
    functor(A, B, C),
    D=B/C,
    (   chr_pp_flag(inline_insertremove, off)
    ->  use_auxiliary_predicate(delete_from_store, D),
        delete_constraint_atom(D, E, F)
    ;   delay_phase_end(validate_store_type_assumptions,
                        delete_constraint_body(D,
                                               A,
                                               E,
                                               G,
                                               F))
    ).
delete_constraint_atom(A, D, B) :-
    make_name('$delete_from_store_', A, C),
    B=..[C, D].
delete_constraint_body(C, E, F, G, A) :-
    A=(B, H),
    (   chr_pp_flag(store_counter, on)
    ->  B='$delete_counter_inc'
    ;   B=true
    ),
    get_store_type(C, D),
    delete_constraint_body(D, C, E, F, G, H).
delete_constraint_body(default, A, _, F, _, C) :-
    (   chr_pp_flag(debugable, on)
    ->  global_list_store_name(A, B),
        make_get_store_goal(B, E, D),
        make_update_store_goal(B, G, H),
        C=(D, 'chr sbag_del_element'(E, F, G), H)
    ;   get_dynamic_suspension_term_field(global_list_prev,
                                          A,
                                          F,
                                          J,
                                          K),
        global_list_store_name(A, B),
        make_get_store_goal(B, E, D),
        make_update_store_goal(B, L, H),
        set_dynamic_suspension_term_field(global_list_prev,
                                          A,
                                          I,
                                          _,
                                          M),
        set_dynamic_suspension_term_field(global_list_prev,
                                          A,
                                          I,
                                          J,
                                          N),
        C=(K, (var(J)->D, E=[_|L], H, (L=[I|_]->M;true);J=[_, _|L], setarg(2, J, L), (L=[I|_]->N;true)))
    ).
delete_constraint_body(multi_inthash(A), B, _, C, _, D) :-
    generate_multi_inthash_delete_constraint_bodies(A,
                                                    B,
                                                    C,
                                                    D).
delete_constraint_body(multi_hash(A), B, C, D, E, F) :-
    generate_multi_hash_delete_constraint_bodies(A,
                                                 B,
                                                 C,
                                                 D,
                                                 E,
                                                 F).
delete_constraint_body(atomic_constants(C, _, _), A, B, D, E, H) :-
    multi_hash_key(A, B, C, D, E, I, G),
    constants_store_index_name(A, C, F),
    J=..[F, G, K],
    H=(I, (J->nb_getval(K, L), 'chr sbag_del_element'(L, D, M), b_setval(K, M);true)).
delete_constraint_body(ground_constants(C, _, _), A, B, D, E, H) :-
    multi_hash_key(A, B, C, D, E, I, G),
    constants_store_index_name(A, C, F),
    J=..[F, G, K],
    H=(I, (J->nb_getval(K, L), 'chr sbag_del_element'(L, D, M), b_setval(K, M);true)).
delete_constraint_body(global_ground, A, _, F, _, C) :-
    (   chr_pp_flag(debugable, on)
    ->  global_ground_store_name(A, B),
        make_get_store_goal(B, E, D),
        make_update_store_goal(B, G, H),
        C=(D, 'chr sbag_del_element'(E, F, G), H)
    ;   get_dynamic_suspension_term_field(global_list_prev,
                                          A,
                                          F,
                                          J,
                                          K),
        global_ground_store_name(A, B),
        make_get_store_goal(B, E, D),
        make_update_store_goal(B, L, H),
        set_dynamic_suspension_term_field(global_list_prev,
                                          A,
                                          I,
                                          _,
                                          M),
        set_dynamic_suspension_term_field(global_list_prev,
                                          A,
                                          I,
                                          J,
                                          N),
        C=(K, (var(J)->D, E=[_|L], H, (L=[I|_]->M;true);J=[_, _|L], setarg(2, J, L), (L=[I|_]->N;true)))
    ).
delete_constraint_body(var_assoc_store(A, D), B, _, C, _, E) :-
    get_target_module(H),
    get_dynamic_suspension_term_field(argument(A),
                                      B,
                                      C,
                                      G,
                                      F),
    get_dynamic_suspension_term_field(argument(D),
                                      B,
                                      C,
                                      K,
                                      I),
    E=(F, get_attr(G, H, J), I, delete_assoc_store(J, K, C)).
delete_constraint_body(global_singleton, A, _, _, _, C) :-
    global_singleton_store_name(A, B),
    make_update_store_goal(B, [], D),
    C=D.
delete_constraint_body(multi_store(E), A, B, C, D, G) :-
    maplist(delete_constraint_body1(A, B, C, D),
            E,
            F),
    list2conj(F, G).
delete_constraint_body1(B, C, D, E, A, F) :-
    delete_constraint_body(A, B, C, D, E, F).
delete_constraint_body(identifier_store(D), F, A, C, B, I) :-
    get_suspension_argument_possibly_in_scope(A,
                                              B,
                                              C,
                                              D,
                                              K,
                                              J),
    get_identifier_size(E),
    functor(H, struct, E),
    get_identifier_index(F, D, G),
    arg(G, H, L),
    I=(J, K=H, 'chr sbag_del_element'(L, C, M), setarg(G, K, M)).
delete_constraint_body(type_indexed_identifier_store(D, E), F, A, C, B, I) :-
    get_suspension_argument_possibly_in_scope(A,
                                              B,
                                              C,
                                              D,
                                              K,
                                              J),
    type_indexed_identifier_structure(E, H),
    get_type_indexed_identifier_index(E, F, D, G),
    arg(G, H, L),
    I=(J, K=H, 'chr sbag_del_element'(L, C, M), setarg(G, K, M)).
generate_multi_inthash_delete_constraint_bodies([], _, _, true).
generate_multi_inthash_delete_constraint_bodies([B|I], A, C,  (D, J)) :-
    multi_hash_store_name(A, B, F),
    multi_hash_key(A, B, C, E, H),
    D=(E, nb_getval(F, G), delete_iht(G, H, C)),
    generate_multi_inthash_delete_constraint_bodies(I,
                                                    A,
                                                    C,
                                                    J).
generate_multi_hash_delete_constraint_bodies([], _, _, _, _, true).
generate_multi_hash_delete_constraint_bodies([B|S], A, C, D, E,  (J, T)) :-
    multi_hash_store_name(A, B, F),
    multi_hash_key(A, C, B, D, E, M, O),
    make_get_store_goal(F, N, L),
    (   chr_pp_flag(ht_removal, on)
    ->  ht_prev_field(B, G),
        get_dynamic_suspension_term_field(G,
                                          A,
                                          D,
                                          I,
                                          K),
        set_dynamic_suspension_term_field(G,
                                          A,
                                          H,
                                          _,
                                          Q),
        set_dynamic_suspension_term_field(G,
                                          A,
                                          H,
                                          I,
                                          R),
        J=(K, (var(I)->L, M, delete_first_ht(N, O, P), (P=[H|_]->Q;true);I=[_, _|P], setarg(2, I, P), (P=[H|_]->R;true)))
    ;   J=(M, L, delete_ht(N, O, D))
    ),
    generate_multi_hash_delete_constraint_bodies(S,
                                                 _,
                                                 C,
                                                 D,
                                                 E,
                                                 T).
generate_attach_code(A, C) :-
    enumerate_stores_code(A, B),
    append(B, D, C),
    generate_attach_code(A, D, E),
    module_initializers(F),
    prolog_global_variables_code(G),
    E=[('$chr_initialization':-F),  (:-initialization'$chr_initialization')|G].
generate_attach_code([], A, A).
generate_attach_code([A|D], C, F) :-
    get_store_type(A, B),
    generate_attach_code(B, A, C, E),
    generate_attach_code(D, E, F).
generate_attach_code(default, A, B, C) :-
    global_list_store_initialisation(A, B, C).
generate_attach_code(multi_inthash(A), B, C, E) :-
    multi_inthash_store_initialisations(A, B, C, D),
    multi_inthash_via_lookups(A, B, D, E).
generate_attach_code(multi_hash(A), B, C, E) :-
    multi_hash_store_initialisations(A, B, C, D),
    multi_hash_lookups(A, B, D, E).
generate_attach_code(atomic_constants(B, C, _), A, D, E) :-
    constants_initializers(A, B, C),
    atomic_constants_code(A, B, C, D, E).
generate_attach_code(ground_constants(B, C, _), A, D, E) :-
    constants_initializers(A, B, C),
    ground_constants_code(A, B, C, D, E).
generate_attach_code(global_ground, A, B, C) :-
    global_ground_store_initialisation(A, B, C).
generate_attach_code(var_assoc_store(_, _), _, A, A) :-
    use_auxiliary_module(chr_assoc_store).
generate_attach_code(global_singleton, A, B, C) :-
    global_singleton_store_initialisation(A, B, C).
generate_attach_code(multi_store(A), B, C, D) :-
    multi_store_generate_attach_code(A, B, C, D).
generate_attach_code(identifier_store(B), A, L, P) :-
    get_identifier_index(A, B, C),
    (   C==2
    ->  get_identifier_size(D),
        functor(E, struct, D),
        E=..[_, G|F],
        set_elems(F, []),
        M=new_identifier(G, E),
        functor(H, struct, D),
        arg(1, H, I),
        N=(user:portray(H):-write('<id:'), print(I), write(>)),
        functor(J, struct, D),
        arg(1, J, K),
        O=identifier_label(J, K),
        L=[M, N, O|P]
    ;   L=P
    ).
generate_attach_code(type_indexed_identifier_store(C, A), B, E, S1) :-
    get_type_indexed_identifier_index(A, B, C, D),
    (   D==2
    ->  identifier_store_initialization(A, E, K1),
        get_type_indexed_identifier_size(A, _),
        type_indexed_identifier_structure(A, F),
        F=..[_, I|G],
        set_elems(G, []),
        type_indexed_identifier_name(A, new_identifier, H),
        L1=..[H, I, F],
        N=..[H, K, M],
        type_indexed_identifier_structure(A, J),
        J=..[_, K|L],
        set_elems(L, []),
        O=(M=J),
        M1=user:goal_expansion(N, O),
        type_indexed_identifier_structure(A, P),
        arg(1, P, Q),
        N1=(user:portray(P):-write('<id:'), print(Q), write(>)),
        type_indexed_identifier_structure(A, R),
        arg(1, R, T),
        type_indexed_identifier_name(A, identifier_label, S),
        O1=..[S, R, T],
        X=..[S, W, V],
        type_indexed_identifier_structure(A, U),
        arg(1, U, V),
        Y=(W=U),
        P1=(user:goal_expansion(X, Y):-writeln(expanding)),
        identifier_store_name(A, D1),
        lookup_identifier_atom(A, A1, B1, C1),
        type_indexed_identifier_name(A, new_identifier, Z),
        F1=..[Z, A1, B1],
        Q1=(C1:-nb_getval(D1, E1), (lookup_ht(E1, A1, [B1])->true;F1, insert_ht(E1, A1, B1))),
        lookup_only_identifier_atom(A, I1, J1, G1),
        R1=(G1:-nb_getval(D1, H1), lookup_ht(H1, I1, [J1])),
        K1=[(:-multifile goal_expansion/2),  (:-dynamic goal_expansion/2), L1, M1, N1, O1, P1, Q1, R1|S1]
    ;   E=S1
    ).
constants_initializers(A, B, C) :-
    maplist(constant_initializer(A, B), C).
constant_initializer(A, B, C) :-
    constants_store_name(A, B, C, D),
    prolog_global_variable(D),
    module_initializer(nb_setval(D, [])).
lookup_identifier_atom(A, D, E, B) :-
    atom_concat(lookup_identifier_, A, C),
    B=..[C, D, E].
lookup_only_identifier_atom(A, D, E, B) :-
    atom_concat(lookup_only_identifier_, A, C),
    B=..[C, D, E].
identifier_label_atom(A, D, E, B) :-
    type_indexed_identifier_name(A, identifier_label, C),
    B=..[C, D, E].
multi_store_generate_attach_code([], _, A, A).
multi_store_generate_attach_code([A|D], B, C, F) :-
    generate_attach_code(A, B, C, E),
    multi_store_generate_attach_code(D, B, E, F).
multi_inthash_store_initialisations([], _, A, A).
multi_inthash_store_initialisations([B|F], A, E, H) :-
    use_auxiliary_module(chr_integertable_store),
    multi_hash_store_name(A, B, C),
    module_initializer((new_iht(D), nb_setval(C, D))),
    G=E,
    multi_inthash_store_initialisations(F, A, G, H).
multi_hash_store_initialisations([], _, A, A).
multi_hash_store_initialisations([B|G], A, F, I) :-
    use_auxiliary_module(chr_hashtable_store),
    multi_hash_store_name(A, B, C),
    prolog_global_variable(C),
    make_init_store_goal(C, D, E),
    module_initializer((new_ht(D), E)),
    H=F,
    multi_hash_store_initialisations(G, A, H, I).
global_list_store_initialisation(A, D, E) :-
    (   is_stored(A)
    ->  global_list_store_name(A, B),
        prolog_global_variable(B),
        make_init_store_goal(B, [], C),
        module_initializer(C)
    ;   true
    ),
    D=E.
global_ground_store_initialisation(A, D, E) :-
    global_ground_store_name(A, B),
    prolog_global_variable(B),
    make_init_store_goal(B, [], C),
    module_initializer(C),
    D=E.
global_singleton_store_initialisation(A, D, E) :-
    global_singleton_store_name(A, B),
    prolog_global_variable(B),
    make_init_store_goal(B, [], C),
    module_initializer(C),
    D=E.
identifier_store_initialization(A, E, F) :-
    use_auxiliary_module(chr_hashtable_store),
    identifier_store_name(A, B),
    prolog_global_variable(B),
    make_init_store_goal(B, C, D),
    module_initializer((new_ht(C), D)),
    E=F.
multi_inthash_via_lookups([], _, A, A).
multi_inthash_via_lookups([B|H], A, E, J) :-
    multi_hash_lookup_head(A, B, C, D, F),
    multi_hash_lookup_body(A, inthash, B, C, D, G),
    E=[(F:-G)|I],
    multi_inthash_via_lookups(H, A, I, J).
multi_hash_lookups([], _, A, A).
multi_hash_lookups([B|H], A, E, J) :-
    multi_hash_lookup_head(A, B, C, D, F),
    multi_hash_lookup_body(A, hash, B, C, D, G),
    E=[(F:-G)|I],
    multi_hash_lookups(H, A, I, J).
multi_hash_lookup_head(A, B, E, F, C) :-
    multi_hash_lookup_name(A, B, D),
    C=..[D, E, F].
multi_hash_lookup_body(A, K, B, D, G, E) :-
    get_store_type(A, multi_store(C)),
    (   memberchk(atomic_constants(B, J, _), C)
    ->  (   ground(D)
        ->  constants_store_name(A, B, D, F),
            E=nb_getval(F, G)
        ;   constants_store_index_name(A, B, H),
            I=..[H, D, F],
            E=(I, nb_getval(F, G))
        )
    ;   memberchk(ground_constants(B, J, _), C)
    ->  (   ground(D)
        ->  constants_store_name(A, B, D, F),
            E=nb_getval(F, G)
        ;   constants_store_index_name(A, B, H),
            I=..[H, D, F],
            E=(I, nb_getval(F, G))
        )
    ;   memberchk(multi_hash([B]), C)
    ->  multi_hash_store_name(A, B, F),
        make_get_store_goal(F, N, L),
        (   K==hash,
            specialized_hash_term_call(A,
                                       B,
                                       D,
                                       O,
                                       M)
        ->  E=(L, M, lookup_ht1(N, O, D, G))
        ;   lookup_hash_call(K, N, D, G, I),
            E=(L, I)
        )
    ;   K==inthash
    ->  multi_hash_store_name(A, B, F),
        make_get_store_goal(F, N, L),
        lookup_hash_call(K, N, D, G, I),
        E=(L, I)
    ).
lookup_hash_call(hash, A, B, C, lookup_ht(A, B, C)).
lookup_hash_call(inthash, A, B, C, lookup_iht(A, B, C)).
specialized_hash_term_call(_, _, A, B, C) :-
    (   ground(A)
    ->  term_hash(A, B),
        C=true
    ).
multi_hash_lookup_goal(B, F, C, A, G, H) :-
    (   atomic(A)
    ->  actual_atomic_multi_hash_keys(B, C, [A])
    ;   ground(A)
    ->  actual_ground_multi_hash_keys(B, C, [A])
    ;   C=[D],
        get_constraint_arg_type(B, D, E),
        is_chr_constants_type(E, _, _)
    ->  true
    ;   actual_non_ground_multi_hash_key(B, C)
    ),
    delay_phase_end(validate_store_type_assumptions,
                    multi_hash_lookup_body(B,
                                           F,
                                           C,
                                           A,
                                           G,
                                           H)).
multi_hash_lookup_name(B/C, A, E) :-
    atom_concat_list(A, D),
    atom_concat_list(['$via1_multi_hash_', B, '___', C, -, D],
                     E).
multi_hash_store_name(C/D, A, F) :-
    get_target_module(B),
    atom_concat_list(A, E),
    atom_concat_list([ '$chr_store_multi_hash_',
                       B,
                       '____',
                       C,
                       '___',
                       D,
                       (-),
                       E
                     ],
                     F).
multi_hash_key(C, A, D, F, E) :-
    (   A=[B]
    ->  get_dynamic_suspension_term_field(argument(B),
                                          C,
                                          D,
                                          E,
                                          F)
    ;   maplist(get_dynamic_suspension_term_field1(C, D),
                A,
                G,
                H),
        E=..[k|G],
        list2conj(H, F)
    ).
get_dynamic_suspension_term_field1(B, C, A, D, E) :-
    get_dynamic_suspension_term_field(argument(A),
                                      B,
                                      C,
                                      D,
                                      E).
multi_hash_key(_, B, A, D, C, G, F) :-
    (   A=[E]
    ->  get_suspension_argument_possibly_in_scope(B,
                                                  C,
                                                  D,
                                                  E,
                                                  F,
                                                  G)
    ;   maplist(get_suspension_argument_possibly_in_scope(B,
                                                          C,
                                                          D),
                A,
                H,
                I),
        F=..[k|H],
        list2conj(I, G)
    ).
get_suspension_argument_possibly_in_scope(B, I, N, A, F, G) :-
    arg(A, B, C),
    (   ground(C),
        C='$chr_identifier_match'(E, D)
    ->  functor(B, K, L),
        lookup_identifier_atom(D, E, F, G)
    ;   term_variables(C, H),
        copy_term_nat(C-H, F-J),
        translate(H, I, J)
    ->  G=true
    ;   functor(B, K, L),
        M=K/L,
        get_dynamic_suspension_term_field(argument(A),
                                          M,
                                          N,
                                          F,
                                          G)
    ).
multi_hash_key_direct(_, A, _, D, B) :-
    (   A=[C]
    ->  B=[C-D]
    ;   pairup(A, E, B),
        D=..[k|E]
    ).
args(B, A, C) :-
    maplist(arg1(A), B, C).
split_args(A, B, C, D) :-
    split_args(A, B, 1, C, D).
split_args([], A, _, [], A).
split_args([B|E], [D|F], A, C, I) :-
    G is A+1,
    (   B==A
    ->  C=[D|H],
        split_args(E, F, G, H, I)
    ;   I=[D|H],
        split_args([B|E], F, G, C, H)
    ).
atomic_constants_code(A, B, D, G, F) :-
    constants_store_index_name(A, B, C),
    maplist(atomic_constant_code(A, B, C), D, E),
    append(E, F, G).
atomic_constant_code(A, B, E, C, D) :-
    constants_store_name(A, B, C, F),
    D=..[E, C, F].
ground_constants_code(A, B, C, H, I) :-
    constants_store_index_name(A, B, G),
    maplist(constants_store_name(A, B), C, F),
    length(C, D),
    replicate(D, [], E),
    trie_index([C|E], F, G, H, I).
constants_store_name(D/E, B, A, H) :-
    get_target_module(C),
    term_to_atom(A, G),
    term_to_atom(B, F),
    atom_concat_list([ '$chr_store_constants_',
                       C,
                       '____',
                       D,
                       '___',
                       E,
                       '___',
                       F,
                       '___',
                       G
                     ],
                     H).
constants_store_index_name(C/D, A, F) :-
    get_target_module(B),
    term_to_atom(A, E),
    atom_concat_list([ '$chr_store_constants_',
                       B,
                       '____',
                       C,
                       '___',
                       D,
                       '___',
                       E
                     ],
                     F).
trie_index([A|C], D, B, E, F) :-
    trie_step(A, B, B, C, D, E, F).
trie_step([], _, _, [], [], A, A) :-
    !.
trie_step(C, K, L, A, J, M, N) :-
    A=[B|_],
    length(B, G),
    aggregate_all(set(E/F),
                  (member(D, C), functor(D, E, F)),
                  H),
    I is G+1,
    trie_step_cases(H,
                    I,
                    C,
                    A,
                    J,
                    K,
                    L,
                    M,
                    N).
trie_step_cases([], _, _, _, _, _, _, A, A).
trie_step_cases([A|I], B, C, D, E, F, G, H, K) :-
    trie_step_case(A,
                   B,
                   C,
                   D,
                   E,
                   F,
                   G,
                   H,
                   J),
    trie_step_cases(I,
                    B,
                    C,
                    D,
                    E,
                    F,
                    G,
                    J,
                    K).
trie_step_case(H/I, B, P, S, Q, D, B1, [A|M], N) :-
    A=(C:-O),
    E is B+1,
    functor(C, D, E),
    arg(1, C, G),
    C=..[_, _|F],
    once(append(X, [L], F)),
    functor(G, H, I),
    G=..[_|J],
    append(J, F, K),
    (   K==[L]
    ->  M=N,
        O=true,
        rec_cases(P,
                  _,
                  Q,
                  H/I,
                  _,
                  _,
                  R),
        R=[L]
    ;   rec_cases(P,
                  S,
                  Q,
                  H/I,
                  U,
                  T,
                  R),
        (   T=[V]
        ->  M=N,
            O=true,
            append([U, V, R], K)
        ;   pairup(U, T, W),
            common_pattern(W, A1, C1, F1),
            append(J, X, [Y|Z]),
            Y-Z=A1,
            fresh_symbol(B1, D1),
            append(C1, [L], E1),
            O=..[D1|E1],
            maplist(head_tail, F1, G1, H1),
            trie_step(G1,
                      D1,
                      B1,
                      H1,
                      R,
                      M,
                      N)
        )
    ).
head_tail([A|B], A, B).
rec_cases([], [], [], _, [], [], []).
rec_cases([A|L], [E|M], [K|N], B/C, F, H, J) :-
    (   functor(A, B, C),
        A=..[_|D],
        append(D, E, [G|I])
    ->  F=[G|O],
        H=[I|P],
        J=[K|Q],
        rec_cases(L,
                  M,
                  N,
                  B/C,
                  O,
                  P,
                  Q)
    ;   rec_cases(L,
                  M,
                  N,
                  B/C,
                  F,
                  H,
                  J)
    ).
common_pattern(A, B, C, D) :-
    fold1(chr_translate:gct, A, B),
    term_variables(B, C),
    findall(C, member(B, A), D).
gct(A, B, C) :-
    gct_(A, B, C, [], _).
gct_(A, B, G, K, L) :-
    (   nonvar(A),
        nonvar(B),
        functor(A, C, E),
        functor(B, D, F),
        C==D,
        E==F
    ->  functor(G, C, E),
        A=..[_|H],
        B=..[_|I],
        G=..[_|J],
        maplist_dcg(chr_translate:gct_,
                    H,
                    I,
                    J,
                    K,
                    L)
    ;   lookup_eq(K, A+B, G)
    ->  L=K
    ;   L=[A+B-G|K]
    ).
global_list_store_name(B/C, D) :-
    get_target_module(A),
    atom_concat_list([ '$chr_store_global_list_',
                       A,
                       '____',
                       B,
                       '___',
                       C
                     ],
                     D).
global_ground_store_name(B/C, D) :-
    get_target_module(A),
    atom_concat_list([ '$chr_store_global_ground_',
                       A,
                       '____',
                       B,
                       '___',
                       C
                     ],
                     D).
global_singleton_store_name(B/C, D) :-
    get_target_module(A),
    atom_concat_list([ '$chr_store_global_singleton_',
                       A,
                       '____',
                       B,
                       '___',
                       C
                     ],
                     D).
identifier_store_name(B, C) :-
    get_target_module(A),
    atom_concat_list(['$chr_identifier_lookup_', A, '____', B], C).
:- if(current_predicate(user:exception/3)).
prolog_global_variables_code([]) :-
    tmp_module,
    !.
prolog_global_variables_code(B) :-
    prolog_global_variables(A),
    (   A==[]
    ->  B=[]
    ;   maplist(wrap_in_functor('$chr_prolog_global_variable'), A, D),
        B=[(:-dynamic user:exception/3),  (:-multifile user:exception/3),  (user:exception(undefined_global_variable, C, retry):-'$chr_prolog_global_variable'(C), '$chr_initialization')|D]
    ).
tmp_module :-
    prolog_load_context(module, A),
    module_property(A, class(temporary)).
:- else.
prolog_global_variables_code([]).
:- endif.
sbag_member_call(A, B, member(A, B)).
update_mutable_call(A, B, 'chr update_mutable'(A, B)).
create_mutable_call(B, A, true) :-
    A=mutable(B).
get_suspension_field(B, C, A, D, E) :-
    get_dynamic_suspension_term_field(A, B, C, D, E).
update_suspension_field(B, C, A, D, E) :-
    set_dynamic_suspension_term_field(A, B, C, D, E).
get_update_suspension_field(B, C, A, D, F, true, E, G) :-
    get_dynamic_suspension_term_field(A, B, C, D, E),
    set_dynamic_suspension_term_field(A, B, C, F, G).
create_static_suspension_field(B, C, A, D, true) :-
    get_static_suspension_term_field(A, B, C, D).
get_static_suspension_field(B, C, A, D, true) :-
    get_static_suspension_term_field(A, B, C, D).
get_update_static_suspension_field(B, E, C, A, D, F, true, G) :-
    get_static_suspension_term_field(A, B, C, D),
    set_dynamic_suspension_term_field(A, B, E, F, G).
enumerate_stores_code(C, [A|E]) :-
    B='$enumerate_constraints'(D),
    A=(B:-F),
    enumerate_store_bodies(C, D, E),
    (   E=[]
    ->  F=fail
    ;   F=(nonvar(D)->functor(D, G, _), '$enumerate_constraints'(G, D);'$enumerate_constraints'(_, D))
    ).
enumerate_store_bodies([], _, []).
enumerate_store_bodies([A|N], F, J) :-
    (   is_stored(A)
    ->  get_store_type(A, B),
        (   enumerate_store_body(B, A, C, G)
        ->  true
        ;   chr_error(internal,
                      'Could not generate enumeration code for constraint ~w.\n',
                      [A])
        ),
        get_dynamic_suspension_term_field(arguments,
                                          A,
                                          C,
                                          E,
                                          H),
        A=D/_,
        I=..[D|E],
        K='$enumerate_constraints'(D, F),
        L=(G, H, F=I),
        J=[(K:-L)|M]
    ;   J=M
    ),
    enumerate_store_bodies(N, F, M).
enumerate_store_body(default, A, B, E) :-
    global_list_store_name(A, C),
    sbag_member_call(B, D, G),
    make_get_store_goal_no_error(C, D, F),
    E=(F, G).
enumerate_store_body(multi_inthash([A|_]), B, C, D) :-
    multi_inthash_enumerate_store_body(A, B, C, D).
enumerate_store_body(multi_hash([A|_]), B, C, D) :-
    multi_hash_enumerate_store_body(A, B, C, D).
enumerate_store_body(atomic_constants(C, D, A), B, H, F) :-
    A==complete,
    maplist(enumerate_constant_store_body(B, C, I),
            D,
            E),
    list2disj(E, G),
    F=(G, member(H, I)).
enumerate_constant_store_body(B, C, A, D, nb_getval(E, A)) :-
    constants_store_name(B, C, D, E).
enumerate_store_body(ground_constants(A, B, C), D, E, F) :-
    enumerate_store_body(atomic_constants(A, B, C),
                         D,
                         E,
                         F).
enumerate_store_body(global_ground, A, B, E) :-
    global_ground_store_name(A, C),
    sbag_member_call(B, D, G),
    make_get_store_goal(C, D, F),
    E=(F, G).
enumerate_store_body(var_assoc_store(_, _), _, _, A) :-
    A=fail.
enumerate_store_body(global_singleton, A, C, D) :-
    global_singleton_store_name(A, B),
    make_get_store_goal(B, C, E),
    D=(E, C\==[]).
enumerate_store_body(multi_store(A), B, C, D) :-
    (   memberchk(global_ground, A)
    ->  enumerate_store_body(global_ground, B, C, D)
    ;   once(( member(E, A),
               enumerate_store_body(E, B, C, D)
             ))
    ).
enumerate_store_body(identifier_store(_), _, _, A) :-
    A=fail.
enumerate_store_body(type_indexed_identifier_store(_, _), _, _, A) :-
    A=fail.
multi_inthash_enumerate_store_body(B, A, F, C) :-
    multi_hash_store_name(A, B, D),
    C=(nb_getval(D, E), value_iht(E, F)).
multi_hash_enumerate_store_body(B, A, G, D) :-
    multi_hash_store_name(A, B, C),
    make_get_store_goal(C, F, E),
    D=(E, value_ht(F, G)).
guard_simplification :-
    (   chr_pp_flag(guard_simplification, on)
    ->  precompute_head_matchings,
        simplify_guards(1)
    ;   true
    ).
next_prev_rule(A, C, D) :-
    (   find_min_q(A, _-B)
    ->  B=(-C),
        normalize_heap(A, B, D)
    ;   C=0,
        D=A
    ).
normalize_heap(A, B, I) :-
    (   find_min_q(A, _-B)
    ->  delete_min_q(A, F, tuple(D, C, _)-_),
        (   C>1
        ->  E is C-1,
            get_occurrence(D, E, G, _),
            insert_q(F,
                     tuple(D, E, G)-(-G),
                     H)
        ;   H=F
        ),
        normalize_heap(H, B, I)
    ;   I=A
    ).
head_types_modes_condition([], _, true).
head_types_modes_condition([B|D], A,  (C, E)) :-
    types_modes_condition(A, B, C),
    head_types_modes_condition(D, A, E).
add_background_info(A, D) :-
    get_bg_info(B),
    add_background_info2(A, C),
    append(B, C, D).
add_background_info2(A, []) :-
    var(A),
    !.
add_background_info2([], []) :-
    !.
add_background_info2([A|B], E) :-
    !,
    add_background_info2(A, C),
    add_background_info2(B, D),
    append(C, D, E).
add_background_info2(A, F) :-
    (   functor(A, _, B),
        B>0
    ->  A=..[_|C],
        add_background_info2(C, D)
    ;   D=[]
    ),
    get_bg_info(A, E),
    append(E, D, F).
normalize_conj_list(A, C) :-
    list2conj(A, B),
    conj2list(B, C).
compute_derived_info([], _, _, _, _, _, _, _, [], []).
compute_derived_info([D|Z], A, H, G, B, A1, U, B1, [R|C1], [Y|D1]) :-
    copy_term(A-B, C),
    variable_replacement(A-B, C, E),
    append(D, E, J),
    list2conj(A, F),
    negate_b(F, N),
    make_head_matchings_explicit_not_negated2(G, H, I),
    list2conj(I, P),
    term_variables(J, L),
    term_variables(A-B-I, K),
    new_vars(K, L, M),
    append(J, M, S),
    (   B==true
    ->  O=N
    ;   negate_b(B, Q),
        O=(N;P, Q)
    ),
    copy_with_variable_replacement(O, R, S),
    copy_with_variable_replacement(B, V, S),
    copy_with_variable_replacement(A, T, S),
    list2conj(T, X),
    apply_guard_wrt_term(U, V, W),
    apply_guard_wrt_term(W, X, Y),
    compute_derived_info(Z,
                         A,
                         H,
                         G,
                         B,
                         A1,
                         U,
                         B1,
                         C1,
                         D1).
simplify_guard(A, C, B, G, E) :-
    conj2list(A, D),
    guard_entailment:simplify_guards(B, C, D, F, E),
    list2conj(F, G).
new_vars([], _, []).
new_vars([A|C], B, D) :-
    (   memberchk_eq(A, B)
    ->  new_vars(C, B, D)
    ;   D=[A-E, E-A|F],
        new_vars(C, B, F)
    ).
head_subset(A, B, C) :-
    head_subset(A, B, C, [], _).
head_subset([], B, A, A, B).
head_subset([B|D], A, F, C, H) :-
    head_member(A, B, G, C, E),
    head_subset(D, E, F, G, H).
head_member([B|F], A, D, C, E) :-
    (   variable_replacement(A, B, C, D),
        E=F
    ;   E=[B|G],
        head_member(F, A, D, C, G)
    ).
make_head_matchings_explicit(A, D, E) :-
    make_head_matchings_explicit_memo_lookup(A, B, C),
    copy_term_nat(B-C, D-E).
make_head_matchings_explicit_(A, E, C) :-
    extract_arguments(A, B),
    make_matchings_explicit(B, D, [], [], _, C),
    substitute_arguments(A, D, E).
make_head_matchings_explicit_not_negated(A, E, C) :-
    extract_arguments(A, B),
    make_matchings_explicit_not_negated(B, D, C),
    substitute_arguments(A, D, E).
make_head_matchings_explicit_not_negated2(A, B, E) :-
    extract_arguments(A, C),
    extract_arguments(B, D),
    make_matchings_explicit_not_negated(C, D, E).
extract_arguments([], []).
extract_arguments([A|D], C) :-
    A=..[_|B],
    append(B, E, C),
    extract_arguments(D, E).
substitute_arguments([], [], []).
substitute_arguments([A|G], C, [D|I]) :-
    functor(A, E, B),
    split_at(B, C, F, H),
    D=..[E|F],
    substitute_arguments(G, H, I).
make_matchings_explicit([], [], _, A, A, []).
make_matchings_explicit([A|S], [F|U], B, C, V, D) :-
    (   var(A)
    ->  (   memberchk_eq(A, B)
        ->  list2disj(C, E),
            D=[(E;F==A)|G],
            H=B
        ;   D=G,
            F=A,
            H=[A|B]
        ),
        Q=C
    ;   functor(A, I, M),
        A=..[I|J],
        make_matchings_explicit(J,
                                K,
                                B,
                                C,
                                R,
                                L),
        N=..[I|K],
        (   L==[]
        ->  D=[functor(F, I, M)|G]
        ;   list2conj(L, O),
            list2disj(C, E),
            P=(F\=N;E;O),
            D=[functor(F, I, M), P|G]
        ),
        Q=[F\=N|R],
        term_variables(S, T),
        append(T, B, H)
    ),
    make_matchings_explicit(S,
                            U,
                            H,
                            Q,
                            V,
                            G).
make_matchings_explicit_not_negated([], [], []).
make_matchings_explicit_not_negated([C|D], [B|E], A) :-
    A=[B=C|F],
    make_matchings_explicit_not_negated(D, E, F).
apply_guard_wrt_term([], _, []).
apply_guard_wrt_term([A|G], B, [C|H]) :-
    (   var(A)
    ->  apply_guard_wrt_variable(B, A, C)
    ;   A=..[E|D],
        apply_guard_wrt_term(D, B, F),
        C=..[E|F]
    ),
    apply_guard_wrt_term(G, B, H).
apply_guard_wrt_variable((A, C), B, E) :-
    !,
    apply_guard_wrt_variable(A, B, D),
    apply_guard_wrt_variable(C, D, E).
apply_guard_wrt_variable(A, B, D) :-
    (   A=(C=E),
        B==C
    ->  D=E
    ;   A=functor(F, G, H),
        B==F,
        ground(G),
        ground(H)
    ->  functor(D, G, H)
    ;   D=B
    ).
replace_some_heads(A, B, _, [], A, B, _, _, []) :-
    !.
replace_some_heads([], [M|D], [A|E], [B|F], [], [C|G], H, I, J) :-
    !,
    (   A==B
    ->  C=B,
        replace_some_heads([],
                           D,
                           E,
                           F,
                           [],
                           G,
                           H,
                           I,
                           J)
    ;   B=functor(K, N, L),
        A==K
    ->  length(O, L),
        (   var(M)
        ->  Q=[],
            C=..[N|O]
        ;   M=..[N|P],
            use_same_args(P, O, R, H, I, Q),
            C=..[N|R]
        ),
        replace_some_heads([],
                           D,
                           E,
                           F,
                           [],
                           G,
                           H,
                           I,
                           S),
        append(Q, S, J)
    ;   C=M,
        replace_some_heads([],
                           D,
                           E,
                           [B|F],
                           [],
                           G,
                           H,
                           I,
                           J)
    ).
replace_some_heads([O|D], E, [A|F], [B|G], [C|H], I, J, K, L) :-
    !,
    (   A==B
    ->  C=B,
        replace_some_heads(D,
                           E,
                           F,
                           G,
                           H,
                           I,
                           J,
                           K,
                           L)
    ;   B=functor(M, P, N),
        A==M
    ->  length(Q, N),
        (   var(O)
        ->  S=[],
            C=..[P|Q]
        ;   O=..[P|R],
            use_same_args(R,
                          Q,
                          T,
                          J,
                          K,
                          S),
            C=..[P|T]
        ),
        replace_some_heads(D,
                           E,
                           F,
                           G,
                           H,
                           I,
                           J,
                           K,
                           U),
        append(S, U, L)
    ;   C=O,
        replace_some_heads(D,
                           E,
                           F,
                           [B|G],
                           H,
                           I,
                           J,
                           K,
                           L)
    ).
use_same_args([], [], [], _, _, []).
use_same_args([A|C], [_|D], [B|E], F, G, H) :-
    var(A),
    !,
    B=A,
    use_same_args(C, D, E, F, G, H).
use_same_args([A|G], [D|H], [F|I], J, B, C) :-
    nonvar(A),
    !,
    (   common_variables(A, B)
    ->  C=[D=A|E]
    ;   C=E
    ),
    F=D,
    use_same_args(G, H, I, J, B, E).
simplify_heads([], _, _, _, [], []).
simplify_heads([A|C], D, F, I, H, G) :-
    A=(E=B),
    (   (   nonvar(B)
        ;   common_variables(B, C-D)
        ),
        guard_entailment:entails_guard(D, E=B)
    ->  (   common_variables(B, F-C-D)
        ->  G=J,
            H=K
        ;   (   common_variables(B, I)
            ->  G=[E=B|J]
            ;   G=J
            ),
            H=[E|K]
        )
    ;   nonvar(B),
        functor(B, L, M),
        guard_entailment:entails_guard([functor(E, L, M)|D], E=B)
    ->  G=J,
        (   common_variables(B, F-C-D)
        ->  H=K
        ;   H=[functor(E, L, M)|K]
        )
    ;   H=K,
        G=J
    ),
    simplify_heads(C, [A|D], F, I, K, J).
common_variables(A, B) :-
    term_variables(A, C),
    term_variables(B, D),
    intersect_eq(C, D, E),
    E\==[].
add_failing_occ(A, D, E, G, S, R, _, H, M) :-
    A=pragma(rule(_, _, N, _), ids(C, B), _, _, _),
    append(B, C, F),
    missing_partner_cond(D,
                         E,
                         F,
                         G,
                         Q,
                         I,
                         H),
    copy_term((I, D, E),  (J, K, L)),
    variable_replacement((I, D, E),
                         (J, K, L),
                         M),
    copy_with_variable_replacement(N, O, M),
    extract_explicit_matchings(O, P),
    negate_b(P, T),
    copy_with_variable_replacement(Q, U, M),
    (   subsumes_term(R, J),
        R=J
    ->  S=[(T;U)]
    ;   S=[chr_pp_void_info]
    ).
missing_partner_cond([], [], [], _, fail, _, _).
missing_partner_cond([B|C], [_|D], [A|E], A, F, B, G) :-
    !,
    missing_partner_cond(C,
                         D,
                         E,
                         A,
                         F,
                         B,
                         G).
missing_partner_cond([B|C], [_|D], [_|E], F, A, H, I/J) :-
    A=(chr_pp_not_in_store(B);G),
    missing_partner_cond(C,
                         D,
                         E,
                         F,
                         G,
                         H,
                         I/J).
extract_explicit_matchings((A, B), C) :-
    !,
    (   extract_explicit_matchings(A)
    ->  extract_explicit_matchings(B, C)
    ;   C=(A, D),
        extract_explicit_matchings(B, D)
    ).
extract_explicit_matchings(A, B) :-
    !,
    (   extract_explicit_matchings(A)
    ->  B=true
    ;   B=A
    ).
extract_explicit_matchings(A=B) :-
    var(A),
    var(B),
    !,
    A=B.
extract_explicit_matchings(A==B) :-
    var(A),
    var(B),
    !,
    A=B.
assert_constraint_type(B, A) :-
    (   ground(A)
    ->  constraint_type(B, A)
    ;   chr_error(type_error,
                  'Declared argument types "~w" for constraint "~w" must be ground!\n',
                  [A, B])
    ).
get_type_definition_det(A, B) :-
    (   get_type_definition(A, B)
    ->  true
    ;   chr_error(type,
                  'Could not find type definition for type `~w\'.\n',
                  [A])
    ).
get_constraint_type_det(A, B) :-
    (   get_constraint_type(A, B)
    ->  true
    ;   A=_/C,
        replicate(C, any, B)
    ).
modes_condition([], [], true).
modes_condition([A|E], [C|F], B) :-
    (   A==(+)
    ->  B=(ground(C), D)
    ;   A==(-)
    ->  B=(var(C), D)
    ;   B=D
    ),
    modes_condition(E, F, D).
types_condition([], [], [], [], true).
types_condition([B|I], [D|J], [E|K], [A|L],  (H, M)) :-
    (   A==(-)
    ->  F=[true]
    ;   get_type_definition_det(B, C),
        type_condition(C, D, E, A, G),
        (   A==(+)
        ->  F=G
        ;   F=[\+ground(D)|G]
        )
    ),
    list2disj(F, H),
    types_condition(I, J, K, L, M).
type_condition([], _, _, _, []).
type_condition([A|F], B, D, E, [C|G]) :-
    (   var(A)
    ->  chr_error(type, 'Unexpected variable type in type definition!\n', [])
    ;   atomic_builtin_type(A, B, C)
    ->  true
    ;   compound_builtin_type(A, B, C, _)
    ->  true
    ;   type_def_case_condition(A, B, D, E, C)
    ),
    type_condition(F, B, D, E, G).
ast_atomic_builtin_type(B, A, D) :-
    ast_term_to_term(A, C),
    atomic_builtin_type(B, C, D).
ast_compound_builtin_type(B, A, D) :-
    ast_term_to_term(A, C),
    compound_builtin_type(B, C, _, D).
atomic_builtin_type(any, _, true).
atomic_builtin_type(dense_int, A,  (integer(A), A>=0)).
atomic_builtin_type(int, A, integer(A)).
atomic_builtin_type(number, A, number(A)).
atomic_builtin_type(float, A, float(A)).
atomic_builtin_type(natural, A,  (integer(A), A>=0)).
atomic_builtin_type(chr_identifier, _, true).
compound_builtin_type(chr_constants(_), _, true, true).
compound_builtin_type(chr_constants(_, _), _, true, true).
compound_builtin_type(chr_identifier(_), _, true, true).
compound_builtin_type(chr_enum(B), A,  (ground(A), memberchk(A, B)), once((member(C, B), unifiable(A, C, _)))).
compound_builtin_type(chr_enum(_, _), _, true, true).
is_chr_constants_type(chr_constants(A), A, no).
is_chr_constants_type(chr_constants(A, B), A, yes(B)).
is_chr_enum_type(chr_enum(A), A, no).
is_chr_enum_type(chr_enum(A, B), A, yes(B)).
type_def_case_condition(A, D, E, H, C) :-
    (   nonvar(A)
    ->  functor(A, F, B),
        (   B==0
        ->  C=(D=A)
        ;   var(E)
        ->  C=functor(D, F, B)
        ;   functor(E, F, B)
        ->  C=(functor(D, F, B), D=G, M),
            A=..[_|I],
            E=..[_|K],
            functor(G, F, B),
            G=..[_|J],
            replicate(B, H, L),
            types_condition(I, J, K, L, M)
        ;   C=functor(D, F, B)
        )
    ;   chr_error(internal, 'Illegal type definition (must be nonvar).\n', [])
    ).
static_type_check_rule(F, A) :-
    A=ast_rule(B, _, _, C, _),
    (   catch(( ast_static_type_check_head(B),
                ast_static_type_check_body(C)
              ),
              type_error(D),
              (   D=invalid_functor(E, G, H)
              ->  chr_error(type_error,
                            'Invalid functor in ~@ of ~@:\n\t\tfound `~w\',\n\t\texpected type `~w\'!\n',
                            [ chr_translate:format_src(E),
                              format_rule(F),
                              G,
                              H
                            ])
              ;   D=type_clash(I, K, M, J, L)
              ->  chr_error(type_error,
                            'Type clash for variable ~w in ~@:\n\t\texpected type ~w in ~@\n\t\texpected type ~w in ~@\n',
                            [ I,
                              format_rule(F),
                              J,
                              chr_translate:format_src(K),
                              L,
                              chr_translate:format_src(M)
                            ])
              )),
        fail
    ;   true
    ).
ast_static_type_check_head(simplification(A)) :-
    maplist(ast_static_type_check_head_constraint, A).
ast_static_type_check_head(propagation(A)) :-
    maplist(ast_static_type_check_head_constraint, A).
ast_static_type_check_head(simpagation(A, B)) :-
    maplist(ast_static_type_check_head_constraint, A),
    maplist(ast_static_type_check_head_constraint, B).
ast_static_type_check_head_constraint(A) :-
    A=chr_constraint(B, C, _),
    get_constraint_type_det(B, D),
    maplist(ast_static_type_check_term(head(_)), C, D).
ast_static_type_check_body([]).
ast_static_type_check_body([A|E]) :-
    ast_symbol(A, B),
    get_constraint_type_det(B, D),
    ast_args(A, C),
    maplist(ast_static_type_check_term(body(A)), C, D),
    ast_static_type_check_body(E).
format_src(head(A)) :-
    format('head ~w', [A]).
format_src(body(A)) :-
    format('body goal ~w', [A]).
generate_dynamic_type_check_clauses(D) :-
    (   chr_pp_flag(debugable, on)
    ->  dynamic_type_check,
        get_dynamic_type_check_clauses(A),
        append(A,
               [ ('$dynamic_type_check'(B, C):-throw(error(type_error(B, C), context(_, 'CHR Runtime Type Error'))))
               ],
               D)
    ;   D=[]
    ).
dynamic_type_check_clause(A, B, J) :-
    copy_term(A-B, K-C),
    functor(C, D, E),
    functor(F, D, E),
    C=..[_|G],
    F=..[_|H],
    maplist(dynamic_type_check_call, G, H, I),
    list2conj(I, L),
    J=('$dynamic_type_check'(K, F):-L).
dynamic_type_check_alias_clause(B, C, A) :-
    A=('$dynamic_type_check'(B, D):-'$dynamic_type_check'(C, D)).
dynamic_type_check_call(A, C, B) :-
    (   A==any
    ->  B=true
    ;   B=when(nonvar(C), once('$dynamic_type_check'(A, C)))
    ).
atomic_types_suspended_constraint(A) :-
    A=_/B,
    get_constraint_type(A, C),
    get_constraint_mode(A, D),
    numlist(1, B, E),
    maplist(atomic_types_suspended_constraint(A),
            C,
            D,
            E).
atomic_types_suspended_constraint(A, D, C, B) :-
    (   is_indexed_argument(A, B)
    ->  (   C==(?)
        ->  atomic_type(D)
        ;   true
        )
    ;   true
    ).
storage_analysis(A) :-
    (   chr_pp_flag(storage_analysis, on)
    ->  check_constraint_storages(A)
    ;   true
    ).
check_constraint_storages(A) :-
    maplist(check_constraint_storage, A).
check_constraint_storage(A) :-
    get_max_occurrence(A, B),
    check_occurrences_storage(A, 1, B).
check_occurrences_storage(C, A, B) :-
    (   A>B
    ->  stored_completing(C, 1, 0)
    ;   check_occurrence_storage(C, A),
        D is A+1,
        check_occurrences_storage(C, D, B)
    ).
check_occurrence_storage(A, B) :-
    get_occurrence(A, B, C, D, F),
    (   is_passive(C, D)
    ->  stored(A, B, maybe)
    ;   get_rule(C, E),
        E=pragma(rule(H, J, K, N), ids(G, L), _, _, _),
        (   F==simplification,
            select2(D, I, G, H, _, _)
        ->  check_storage_head1(I, B, H, J, K)
        ;   F==propagation,
            select2(D, M, L, J, _, _)
        ->  check_storage_head2(M, B, H, N)
        )
    ).
check_storage_head1(A, I, D, E, F) :-
    functor(A, B, C),
    H=B/C,
    (   D==[A],
        E==[],
        guard_entailment:entails_guard([chr_pp_headvariables(A)], F),
        A=..[_|G],
        no_matching(G, [])
    ->  stored(H, I, no)
    ;   stored(H, I, maybe)
    ).
no_matching([], _).
no_matching([A|C], B) :-
    var(A),
    \+ memberchk_eq(A, B),
    no_matching(C, [A|B]).
check_storage_head2(A, G, D, E) :-
    functor(A, B, C),
    F=B/C,
    (   D\==[],
        E==true
    ->  stored(F, G, maybe)
    ;   stored(F, G, yes)
    ).
constraints_code(A, C) :-
    (   chr_pp_flag(reduced_indexing, on),
        forall(B,
               A,
               chr_translate:only_ground_indexed_arguments(B))
    ->  none_suspended_on_variables
    ;   true
    ),
    constraints_code1(A, C, []).
constraint_prelude(B/A, K) :-
    vars_susp(A, C, E, D),
    L=..[B|C],
    make_suspension_continuation_goal(B/A, D, G),
    build_head(B, A, [0], D, Q),
    (   chr_pp_flag(debugable, on)
    ->  insert_constraint_goal(B/A, E, C, N),
        attach_constraint_atom(B/A, F, E, O),
        delay_phase_end(validate_store_type_assumptions,
                        chr_translate:update_suspension_field(B/A, E, state, inactive, P)),
        insert_constraint_internal_constraint_goal(B/A,
                                                   F,
                                                   E,
                                                   G,
                                                   C,
                                                   M),
        (   get_constraint_type(B/A, H)
        ->  maplist(dynamic_type_check_call, H, C, I),
            list2conj(I, J)
        ;   J=true
        ),
        K=(L:-J, M, N, O, P, 'chr debug_event'(insert(#(L, E))), ('chr debugging'->('chr debug_event'(call(E)), Q;'chr debug_event'(fail(E)), !, fail), ('chr debug_event'(exit(E));'chr debug_event'(redo(E)), fail);Q))
    ;   get_allocation_occurrence(B/A, 0)
    ->  gen_insert_constraint_internal_goal(B/A,
                                            R,
                                            D,
                                            C,
                                            E),
        delay_phase_end(validate_store_type_assumptions,
                        chr_translate:update_suspension_field(B/A, E, state, inactive, P)),
        K=(L:-R, P, Q)
    ;   K=(L:-Q)
    ).
make_suspension_continuation_goal(A/B, C, D) :-
    (   may_trigger(A/B)
    ->  build_head(A, B, [0], C, E),
        (   chr_pp_flag(debugable, off)
        ->  D=E
        ;   get_target_module(F),
            D=F:E
        )
    ;   D=true
    ).
gen_cond_attach_clause(A/B, I, L, N) :-
    (   is_finally_stored(A/B)
    ->  get_allocation_occurrence(A/B, D),
        get_max_occurrence(A/B, C),
        (   chr_pp_flag(debugable, off),
            C<D
        ->  (   only_ground_indexed_arguments(A/B)
            ->  gen_insert_constraint_internal_goal(A/B,
                                                    E,
                                                    F,
                                                    G,
                                                    H)
            ;   gen_cond_attach_goal(A/B,
                                     E,
                                     F,
                                     G,
                                     H)
            )
        ;   vars_susp(B, G, H, F),
            gen_uncond_attach_goal(A/B,
                                   H,
                                   G,
                                   E,
                                   _)
        ),
        build_head(A, B, I, F, J),
        K=(J:-E),
        add_dummy_location(K, M),
        L=[M|N]
    ;   L=N
    ).
gen_cond_attach_goal(E/A, J, D, B, C) :-
    vars_susp(A, B, C, D),
    make_suspension_continuation_goal(E/A, D, H),
    (   get_store_type(E/A, var_assoc_store(_, _))
    ->  F=true
    ;   attach_constraint_atom(E/A, G, C, F)
    ),
    _=..[E|B],
    insert_constraint_goal(E/A, C, B, I),
    insert_constraint_internal_constraint_goal(E/A,
                                               G,
                                               C,
                                               H,
                                               B,
                                               K),
    (   may_trigger(E/A)
    ->  activate_constraint_goal(E/A,
                                 (I, F),
                                 G,
                                 C,
                                 _,
                                 L),
        J=(var(C)->K, I, F;L)
    ;   J=(K, I, F)
    ).
gen_insert_constraint_internal_goal(E/A, I, D, B, C) :-
    vars_susp(A, B, C, D),
    make_suspension_continuation_goal(E/A, D, H),
    (   \+ only_ground_indexed_arguments(E/A),
        \+ get_store_type(E/A, var_assoc_store(_, _))
    ->  attach_constraint_atom(E/A, G, C, F)
    ;   F=true
    ),
    _=..[E|B],
    insert_constraint_goal(E/A, C, B, K),
    insert_constraint_internal_constraint_goal(E/A,
                                               G,
                                               C,
                                               H,
                                               B,
                                               J),
    (   only_ground_indexed_arguments(E/A),
        chr_pp_flag(debugable, off)
    ->  I=(J, K)
    ;   I=(J, K, F)
    ).
gen_uncond_attach_goal(A, B, D, H, G) :-
    (   \+ only_ground_indexed_arguments(A),
        \+ get_store_type(A, var_assoc_store(_, _))
    ->  attach_constraint_atom(A, F, B, C)
    ;   C=true
    ),
    insert_constraint_goal(A, B, D, E),
    (   chr_pp_flag(late_allocation, on)
    ->  activate_constraint_goal(A,
                                 (E, C),
                                 F,
                                 B,
                                 G,
                                 H)
    ;   activate_constraint_goal(A, true, F, B, G, H)
    ).
head1_code(E, H, F, G, A, K, L, M, N, O) :-
    A=pragma(B, _, _, _, D),
    B=rule(_, C, _, _),
    (   C==[]
    ->  reorder_heads(D, E, F, G, I, J),
        simplification_code(E,
                            H,
                            I,
                            J,
                            A,
                            K,
                            L,
                            M,
                            N,
                            O)
    ;   simpagation_head1_code(E,
                               H,
                               F,
                               G,
                               A,
                               K,
                               L,
                               M,
                               N,
                               O)
    ).
head2_code(E, H, F, G, A, K, L, M, N, O) :-
    A=pragma(B, _, _, _, D),
    B=rule(C, _, _, _),
    (   C==[]
    ->  reorder_heads(D, E, F, G, I, J),
        propagation_code(E,
                         H,
                         I,
                         J,
                         B,
                         D,
                         K,
                         L,
                         M,
                         N,
                         O)
    ;   simpagation_head2_code(E,
                               H,
                               F,
                               G,
                               A,
                               K,
                               L,
                               M,
                               N,
                               O)
    ).
gen_alloc_inc_clause(B/A, F, C, M, O) :-
    vars_susp(A, G, H, D),
    build_head(B, A, C, D, I),
    inc_id(C, E),
    build_head(B, A, E, D, K),
    gen_occ_allocation(B/A, F, G, H, J),
    L=(I:-J, K),
    add_dummy_location(L, N),
    M=[N|O].
gen_occ_allocation(A, C, G, F, H) :-
    get_allocation_occurrence(A, B),
    get_occurrence_code_id(A, B, E),
    get_occurrence_code_id(A, C, D),
    (   chr_pp_flag(debugable, off),
        D==E
    ->  allocate_constraint_goal(A, F, G, I),
        (   may_trigger(A)
        ->  H=(var(F)->I;true)
        ;   H=I
        )
    ;   H=true
    ).
gen_occ_allocation_in_guard(A, B, E, D, F) :-
    get_allocation_occurrence(A, C),
    (   chr_pp_flag(debugable, off),
        B<C
    ->  allocate_constraint_goal(A, D, E, G),
        (   may_trigger(A)
        ->  F=(var(D)->G;true)
        ;   F=G
        )
    ;   F=true
    ).
guard_via_reschedule_new(A, B, C, D, E, G) :-
    (   chr_pp_flag(guard_via_reschedule, on)
    ->  guard_via_reschedule_main_new(A,
                                      B,
                                      C,
                                      D,
                                      E,
                                      F),
        list2conj(F, G)
    ;   length(A, H),
        length(E, H),
        length(B, I),
        length(D, I),
        append(E, D, J),
        list2conj(J, G)
    ).
guard_via_reschedule_main_new(B, C, A, M, I, J) :-
    initialize_unit_dictionary(A, F),
    maplist(wrap_in_functor(lookup), B, D),
    maplist(wrap_in_functor(guard), C, E),
    build_units(D, E, F, G),
    dependency_reorder(G, H),
    wrappedunits2lists(H, K, I, J),
    sort(K, L),
    snd_of_pairs(L, M).
wrappedunits2lists([], [], [], []).
wrappedunits2lists([unit(G, B, _, _)|J], E, C, A) :-
    A=[D|K],
    (   B=lookup(F)
    ->  C=[D|I],
        E=H
    ;   B=guard(F)
    ->  E=[G-D|H],
        C=I
    ),
    wrappedunits2lists(J, H, I, K).
guard_splitting(A, I) :-
    A=rule(B, C, D, _),
    append(B, C, E),
    conj2list(D, F),
    term_variables(E, G),
    split_off_simple_guard_new(F, G, H, J),
    append(H, [Q], I),
    term_variables(J, M),
    ground_vars(E, K),
    list_difference_eq(G, K, L),
    intersect_eq(L, M, N),
    maplist(chr_lock, N, O),
    maplist(chr_unlock, N, P),
    list2conj(O, R),
    list2conj(P, T),
    list2conj(J, S),
    Q=(R, S, T).
guard_body_copies3(A, B, C, D, G) :-
    A=rule(_, _, _, E),
    my_term_copy(B, C, F, D),
    my_term_copy(E, F, G).
split_off_simple_guard_new([], _, [], []).
split_off_simple_guard_new([A|D], B, C, F) :-
    (   simple_guard_new(A, B)
    ->  C=[A|E],
        split_off_simple_guard_new(D, B, E, F)
    ;   C=[],
        F=[A|D]
    ).
simple_guard_new(A, D) :-
    builtin_binds_b(A, B),
    not(( member(C, B),
          memberchk_eq(C, D)
        )).
dependency_reorder(A, B) :-
    dependency_reorder(A, [], B).
dependency_reorder([], A, B) :-
    reverse(A, B).
dependency_reorder([A|F], C, G) :-
    A=unit(_, _, B, D),
    (   B==fixed
    ->  E=[A|C]
    ;   dependency_insert(C, A, D, E)
    ),
    dependency_reorder(F, E, G).
dependency_insert([], A, _, [A]).
dependency_insert([A|F], E, C, D) :-
    A=unit(B, _, _, _),
    (   memberchk(B, C)
    ->  D=[E, A|F]
    ;   D=[A|G],
        dependency_insert(F, E, C, G)
    ).
build_units(A, D, B, C) :-
    build_retrieval_units(A, 1, E, B, F, C, G),
    build_guard_units(D, E, F, G).
build_retrieval_units([], A, A, B, B, C, C).
build_retrieval_units([A|G], C, I, D, K, E, M) :-
    term_variables(A, B),
    update_unit_dictionary(B, C, D, J, [], F),
    E=[unit(C, A, fixed, F)|L],
    H is C+1,
    build_retrieval_units(G,
                          H,
                          I,
                          J,
                          K,
                          L,
                          M).
initialize_unit_dictionary(A, C) :-
    term_variables(A, B),
    pair_all_with(B, 0, C).
update_unit_dictionary([], _, A, A, B, B).
update_unit_dictionary([B|H], D, A, I, E, J) :-
    (   lookup_eq(A, B, C)
    ->  (   (   C==D
            ;   memberchk(C, E)
            )
        ->  F=E
        ;   F=[C|E]
        ),
        G=A
    ;   G=[B-D|A],
        F=E
    ),
    update_unit_dictionary(H, D, G, I, F, J).
build_guard_units(A, C, F, B) :-
    (   A=[D]
    ->  B=[unit(C, D, fixed, [])]
    ;   A=[D|H]
    ->  term_variables(D, E),
        update_unit_dictionary2(E, C, F, J, [], G),
        B=[unit(C, D, movable, G)|K],
        I is C+1,
        build_guard_units(H, I, J, K)
    ).
update_unit_dictionary2([], _, A, A, B, B).
update_unit_dictionary2([B|H], D, A, I, E, J) :-
    (   lookup_eq(A, B, C)
    ->  (   (   C==D
            ;   memberchk(C, E)
            )
        ->  F=E
        ;   F=[C|E]
        ),
        G=[B-D|A]
    ;   G=[B-D|A],
        F=E
    ),
    update_unit_dictionary2(H, D, G, I, F, J).
functional_dependency_analysis(A) :-
    (   fail,
        chr_pp_flag(functional_dependency_analysis, on)
    ->  functional_dependency_analysis_main(A)
    ;   true
    ).
functional_dependency_analysis_main([]).
functional_dependency_analysis_main([A|F]) :-
    (   discover_unique_pattern(A, B, C, D, E)
    ->  functional_dependency(B, C, D, E)
    ;   true
    ),
    functional_dependency_analysis_main(F).
discover_unique_pattern(A, P/Q, B, N, O) :-
    A=pragma(C, _, _, _, B),
    C=rule(D, E, H, _),
    (   D=[F],
        E=[G]
    ->  true
    ;   D=[F, G],
        E==[]
    ->  true
    ),
    check_unique_constraints(F, G, H, B, J),
    term_variables(F, I),
    \+ ( member(K, I),
         lookup_eq(J, K, L),
         memberchk_eq(L, I)
       ),
    select_pragma_unique_variables(I, J, M),
    copy_term_nat(F-M, N-O),
    functor(F, P, Q).
select_pragma_unique_variables([], _, []).
select_pragma_unique_variables([B|E], A, C) :-
    (   lookup_eq(A, B, _)
    ->  C=D
    ;   C=[B|D]
    ),
    select_pragma_unique_variables(E, A, D).
set_semantics_rules(A) :-
    (   fail,
        chr_pp_flag(set_semantics_rule, on)
    ->  set_semantics_rules_main(A)
    ;   true
    ).
set_semantics_rules_main([]).
set_semantics_rules_main([A|B]) :-
    set_semantics_rule_main(A),
    set_semantics_rules_main(B).
set_semantics_rule_main(A) :-
    A=pragma(B, C, _, _, D),
    (   B=rule([F], [K], true, _),
        C=ids([E], [N]),
        \+ is_passive(D, E),
        functor(F, G, H),
        get_functional_dependency(G/H, D, I, J),
        copy_term_nat(I-J, F-L),
        copy_term_nat(I-J, K-M),
        L==M
    ->  passive(D, N)
    ;   true
    ).
check_unique_constraints(B, C, E, A, D) :-
    \+ any_passive_head(A),
    variable_replacement(B-C, C-B, D),
    copy_with_variable_replacement(E, G, D),
    negate_b(E, F),
    once(entails_b(F, G)).
symmetry_analysis(A) :-
    (   chr_pp_flag(check_unnecessary_active, off)
    ->  true
    ;   symmetry_analysis_main(A)
    ).
symmetry_analysis_main([]).
symmetry_analysis_main([A|H]) :-
    A=pragma(B, ids(E, G), _, _, F),
    B=rule(D, C, _, _),
    (   (   \+ chr_pp_flag(check_unnecessary_active, simplification)
        ;   C==[]
        ),
        D\==[]
    ->  symmetry_analysis_heads_simplification(D,
                                               E,
                                               [],
                                               [],
                                               B,
                                               F),
        symmetry_analysis_heads_propagation(C,
                                            G,
                                            [],
                                            [],
                                            B,
                                            F)
    ;   true
    ),
    symmetry_analysis_main(H).
symmetry_analysis_heads_simplification([], [], _, _, _, _).
symmetry_analysis_heads_simplification([G|K], [B|L], C, D, H, A) :-
    (   \+ is_passive(A, B),
        member2(C, D, F-E),
        \+ is_passive(A, E),
        variable_replacement(F, G, I),
        copy_with_variable_replacement(H, J, I),
        identical_guarded_rules(H, J)
    ->  passive(A, B)
    ;   true
    ),
    symmetry_analysis_heads_simplification(K,
                                           L,
                                           [G|C],
                                           [B|D],
                                           H,
                                           A).
symmetry_analysis_heads_propagation([], [], _, _, _, _).
symmetry_analysis_heads_propagation([G|K], [B|L], C, D, H, A) :-
    (   \+ is_passive(A, B),
        member2(C, D, F-E),
        \+ is_passive(A, E),
        variable_replacement(F, G, I),
        copy_with_variable_replacement(H, J, I),
        identical_rules(H, J)
    ->  passive(A, B)
    ;   true
    ),
    symmetry_analysis_heads_propagation(K,
                                        L,
                                        [G|C],
                                        [B|D],
                                        H,
                                        A).
simplification_code(B, B1, L, M, A, C, S, D, Q1, S1) :-
    A=pragma(H, _, _, _, I),
    head_info1(B, C, _, T, E, F),
    build_head(C, D, E, J1),
    get_constraint_mode(C, G),
    head_arg_matches(F, G, [], K1, O, [], P),
    guard_splitting(H, J),
    (   is_stored_in_guard(C, I)
    ->  K=[_|J]
    ;   K=J
    ),
    guard_via_reschedule_new(L,
                             K,
                             B,
                             R,
                             N,
                             L1),
    rest_heads_retrieval_and_matching(L,
                                      M,
                                      B,
                                      N,
                                      Y,
                                      O,
                                      Q,
                                      [],
                                      [],
                                      [],
                                      P,
                                      _),
    guard_body_copies3(H, K, Q, R, O1),
    (   is_stored_in_guard(C, I)
    ->  gen_occ_allocation_in_guard(C,
                                    S,
                                    U,
                                    T,
                                    W),
        gen_uncond_attach_goal(C, T, U, X, _),
        R=[V|_],
        V=(W, X)
    ;   true
    ),
    partner_constraint_detachments(Y, L, Q, M1),
    active_constraint_detachment(D, T, B, Q, N1),
    (   chr_pp_flag(debugable, on)
    ->  H=rule(_, _, Z, A1),
        my_term_copy(Z-A1, Q, D1-E1),
        sort_by_key([T|Y], [B1|M], C1),
        F1='chr debug_event'(try(C1, [], D1, E1)),
        G1='chr debug_event'(apply(C1, [], D1, E1)),
        instrument_goal(I1, F1, G1, H1)
    ;   H1=I1
    ),
    actual_cut(C, S, I1),
    P1=(J1:-K1, L1, H1, M1, N1, O1),
    add_location(P1, I, R1),
    Q1=[R1|S1].
actual_cut(A, B, C) :-
    (   unconditional_occurrence(A, B),
        chr_pp_flag(late_allocation, on)
    ->  C=true
    ;   C=!
    ).
add_location(E, A, B) :-
    (   chr_pp_flag(line_numbers, on)
    ->  get_line_number(A, C:D),
        B='$source_location'(C, D):E
    ;   B=E
    ).
add_dummy_location(C, A) :-
    (   chr_pp_flag(line_numbers, on)
    ->  get_chr_source_file(B),
        A='$source_location'(B, 1):C
    ;   A=C
    ).
head_arg_matches(A, B, C, D, E) :-
    head_arg_matches(A, B, C, D, E, [], _).
head_arg_matches(A, B, C, H, E, D, F) :-
    head_arg_matches_(A, B, C, D, G, E, F),
    list2conj(G, H).
head_arg_matches_([], [], A, B, [], A, B).
head_arg_matches_([silent(B-_)|D], [A|E], F, C, H, I, J) :-
    !,
    (   A==(+)
    ->  term_variables(B, G, C),
        head_arg_matches_(D,
                          E,
                          F,
                          G,
                          H,
                          I,
                          J)
    ;   head_arg_matches_(D,
                          E,
                          F,
                          C,
                          H,
                          I,
                          J)
    ).
head_arg_matches_([A-F|K], [C|L], B, D, E, Z, A1) :-
    (   var(A)
    ->  (   lookup_eq(B, A, G)
        ->  (   C=(+)
            ->  (   memberchk_eq(A, D)
                ->  E=[F=G|H],
                    I=D
                ;   E=[F==G|H],
                    I=[A|D]
                )
            ;   E=[F==G|H],
                I=D
            ),
            J=B
        ;   J=[A-F|B],
            E=H,
            (   C=(+)
            ->  I=[A|D]
            ;   I=D
            )
        ),
        P=K,
        Q=L
    ;   ground(A),
        A='$chr_identifier_match'(N, M)
    ->  identifier_label_atom(M, F, N, O),
        E=[O|H],
        B=J,
        I=D,
        P=K,
        Q=L
    ;   atomic(A)
    ->  (   C=(+)
        ->  E=[F=A|H]
        ;   E=[F==A|H]
        ),
        B=J,
        I=D,
        P=K,
        Q=L
    ;   C==(+),
        is_ground(D, A)
    ->  copy_with_variable_replacement(A, R, B),
        E=[F=R|H],
        B=J,
        I=D,
        P=K,
        Q=L
    ;   C==(?),
        is_ground(D, A)
    ->  copy_with_variable_replacement(A, R, B),
        E=[F==R|H],
        B=J,
        I=D,
        P=K,
        Q=L
    ;   A=..[_|V],
        functor(A, S, T),
        functor(U, S, T),
        U=..[_|W],
        (   C=(+)
        ->  E=[F=U|H]
        ;   E=[nonvar(F), F=U|H]
        ),
        pairup(V, W, X),
        append(X, K, P),
        replicate(T, C, Y),
        append(Y, L, Q),
        J=B,
        I=D
    ),
    head_arg_matches_(P,
                      Q,
                      J,
                      I,
                      H,
                      Z,
                      A1).
add_heads_types([], A, A).
add_heads_types([A|C], B, E) :-
    add_head_types(A, B, D),
    add_heads_types(C, D, E).
add_head_types(A, F, G) :-
    functor(A, B, C),
    get_constraint_type_det(B/C, E),
    A=..[_|D],
    add_args_types(D, E, F, G).
add_args_types([], [], A, A).
add_args_types([A|D], [B|E], C, G) :-
    add_arg_types(A, B, C, F),
    add_args_types(D, E, F, G).
add_arg_types(D, A, C, B) :-
    (   A==any
    ->  B=C
    ;   var(D)
    ->  (   lookup_eq(C, D, _)
        ->  B=C
        ;   B=[D-A|C]
        )
    ;   B=C
    ).
add_heads_ground_variables([], A, A).
add_heads_ground_variables([A|C], B, E) :-
    add_head_ground_variables(A, B, D),
    add_heads_ground_variables(C, D, E).
add_head_ground_variables(A, F, G) :-
    functor(A, B, C),
    get_constraint_mode(B/C, E),
    A=..[_|D],
    add_arg_ground_variables(D, E, F, G).
add_arg_ground_variables([], [], A, A).
add_arg_ground_variables([B|F], [A|G], D, H) :-
    (   A==(+)
    ->  term_variables(B, C),
        add_var_ground_variables(C, D, E)
    ;   D=E
    ),
    add_arg_ground_variables(F, G, E, H).
add_var_ground_variables([], A, A).
add_var_ground_variables([A|D], B, E) :-
    (   memberchk_eq(A, B)
    ->  C=B
    ;   C=[A|B]
    ),
    add_var_ground_variables(D, C, E).
is_ground(B, A) :-
    (   ground(A)
    ->  true
    ;   compound(A)
    ->  A=..[_|C],
        maplist(is_ground(B), C)
    ;   memberchk_eq(A, B)
    ).
check_ground(C, A, D) :-
    term_variables(A, B),
    check_ground_variables(B, C, D).
check_ground_variables([], _, true).
check_ground_variables([A|C], B, D) :-
    (   memberchk_eq(A, B)
    ->  check_ground_variables(C, B, D)
    ;   D=(ground(A), E),
        check_ground_variables(C, B, E)
    ).
rest_heads_retrieval_and_matching(A, B, C, D, E, F, G, H, I, J) :-
    rest_heads_retrieval_and_matching(A,
                                      B,
                                      C,
                                      D,
                                      E,
                                      F,
                                      G,
                                      H,
                                      I,
                                      J,
                                      [],
                                      _).
rest_heads_retrieval_and_matching(A, B, E, F, G, H, I, C, D, J, K, L) :-
    (   A=[_|_]
    ->  rest_heads_retrieval_and_matching_n(A,
                                            B,
                                            C,
                                            D,
                                            E,
                                            F,
                                            G,
                                            H,
                                            I,
                                            J,
                                            K,
                                            L)
    ;   F=[],
        G=[],
        H=I,
        K=L
    ).
rest_heads_retrieval_and_matching_n([], _, _, _, _, [], [], A, A, _, B, B).
rest_heads_retrieval_and_matching_n([A|E1], [_|F1], F, B1, E, [C1|G1], [M|H1], G, I1, _, L, J1) :-
    functor(A, C, B),
    head_info(A, B, I, _, _, J),
    get_store_type(C/B, D),
    (   D==default
    ->  passive_head_via(A, [E|F], G, O, N),
        delay_phase_end(validate_store_type_assumptions,
                        (static_suspension_term(C/B, H), get_static_suspension_term_field(arguments, C/B, H, I), get_static_suspension_field(C/B, H, state, active, Q))),
        get_constraint_mode(C/B, K),
        head_arg_matches(J,
                         K,
                         G,
                         R,
                         V,
                         L,
                         W),
        T=J,
        sbag_member_call(M, N, P),
        S=(O, P, M=H, Q),
        inline_matching_goal(R, Y)
    ;   delay_phase_end(validate_store_type_assumptions,
                        (static_suspension_term(C/B, H), get_static_suspension_term_field(arguments, C/B, H, I))),
        existential_lookup(D,
                           A,
                           [E|F],
                           G,
                           L,
                           H,
                           S,
                           M,
                           J,
                           T),
        get_constraint_mode(C/B, K),
        U=K,
        head_arg_matches(T,
                         U,
                         G,
                         R,
                         V,
                         L,
                         W),
        filter_append(T, V, X),
        translate(W, X, Z),
        translate(W, V, A1),
        inline_matching_goal(R, Y, Z, A1)
    ),
    different_from_other_susps(A, M, F, B1, D1),
    C1=(S, D1, Y),
    rest_heads_retrieval_and_matching_n(E1,
                                        F1,
                                        [A|F],
                                        [M|B1],
                                        E,
                                        G1,
                                        H1,
                                        V,
                                        I1,
                                        _,
                                        W,
                                        J1).
inline_matching_goal(A, B) :-
    inline_matching_goal(A, B, [], []).
inline_matching_goal(A==C, true, B, D) :-
    memberchk_eq(A, B),
    memberchk_eq(C, D),
    A=C,
    !.
inline_matching_goal((A, E),  (B, F), C, D) :-
    !,
    inline_matching_goal(A, B, C, D),
    inline_matching_goal(E, F, C, D).
inline_matching_goal(A, A, _, _).
filter_mode([], _, _, []).
filter_mode([I-A|E], [_-B|F], [D|G], C) :-
    (   A==B
    ->  C=[D|H],
        filter_mode(E, F, G, H)
    ;   filter_mode([I-A|E], F, G, C)
    ).
filter_append([], A, A).
filter_append([A|B], C, D) :-
    (   A=silent(_)
    ->  filter_append(B, C, D)
    ;   D=[A|E],
        filter_append(B, C, E)
    ).
check_unique_keys([], _).
check_unique_keys([B|C], A) :-
    lookup_eq(A, B, _),
    check_unique_keys(C, A).
different_from_other_susps(C, D, A, B, F) :-
    different_from_other_susps_(A, B, C, D, E),
    list2conj(E, F).
different_from_other_susps_(_, [], _, _, []) :-
    !.
different_from_other_susps_([B|K], [I|L], A, H, G) :-
    (   functor(A, C, D),
        functor(B, C, D),
        copy_term_nat(B-A, E-F),
        \+ \+ E=F
    ->  G=[H\==I|J]
    ;   G=J
    ),
    different_from_other_susps_(K, L, A, H, J).
passive_head_via(A, D, P, I, H) :-
    functor(A, B, C),
    get_constraint_index(B/C, _),
    common_variables(A, D, E),
    ground_vars([A], F),
    list_difference_eq(E, F, K),
    global_list_store_name(B/C, G),
    J=nb_getval(G, H),
    get_constraint_mode(B/C, L),
    (   S==[]
    ->  I=J
    ;   member(O, K),
        nth1(M, L, -),
        arg(M, A, N),
        N==O
    ->  translate([O], P, [Q]),
        gen_get_mod_constraints(B/C, Q, R, H),
        I=R
    ;   translate(K, P, S),
        add_heads_types(D, [], T),
        my_term_copy(T, P, U),
        gen_get_mod_constraints(B/C,
                                S,
                                U,
                                V,
                                R,
                                H),
        I=(V->R;J)
    ).
common_variables(A, B, E) :-
    term_variables(A, C),
    term_variables(B, D),
    intersect_eq(C, D, E).
gen_get_mod_constraints(K, A, B, C, D, I) :-
    via_goal(A, B, C, E),
    get_target_module(F),
    D=(get_attr(E, F, J), H),
    get_max_constraint_index(G),
    (   G==1
    ->  H=true,
        I=J
    ;   get_constraint_index(K, L),
        get_suspensions(G, L, J, H, I)
    ).
via_goal(A, C, B, F) :-
    (   A=[]
    ->  B=fail
    ;   A=[D]
    ->  lookup_type(C, D, E),
        (   atomic_type(E)
        ->  B=var(D),
            D=F
        ;   B='chr newvia_1'(D, F)
        )
    ;   A=[D, G]
    ->  B='chr newvia_2'(D, G, F)
    ;   B='chr newvia'(A, F)
    ).
lookup_type(A, B, C) :-
    (   lookup_eq(A, B, C)
    ->  true
    ;   C=any
    ).
gen_get_mod_constraints(H, B, A, F) :-
    get_target_module(C),
    A=(get_attr(B, C, G), E),
    get_max_constraint_index(D),
    (   D==1
    ->  E=true,
        F=G
    ;   get_constraint_index(H, I),
        get_suspensions(D, I, G, E, F)
    ).
guard_body_copies(A, B, E, C) :-
    guard_body_copies2(A, B, D, C),
    list2conj(D, E).
guard_body_copies2(A, D, H, B1) :-
    A=rule(_, J, B, Z),
    conj2list(B, C),
    split_off_simple_guard(C, D, E, F),
    my_term_copy(E-F, D, A1, G-I),
    append(G, [V], H),
    term_variables(F, K),
    term_variables(I, P),
    ground_vars(J, L),
    list_difference_eq(K, L, N),
    (   chr_pp_flag(guard_locks, off)
    ->  S=[],
        T=[]
    ;   bagof(Q-R,
              M^O^(lists:member(M, N), pairlist:lookup_eq(D, M, O), memberchk_eq(O, P), chr_lock(O, Q), chr_unlock(O, R)),
              U)
    ->  once(pairup(S, T, U))
    ;   S=[],
        T=[]
    ),
    list2conj(S, W),
    list2conj(T, Y),
    list2conj(I, X),
    V=(W, X, Y),
    my_term_copy(Z, A1, B1).
split_off_simple_guard([], _, [], []).
split_off_simple_guard([A|D], B, C, F) :-
    (   simple_guard(A, B)
    ->  C=[A|E],
        split_off_simple_guard(D, B, E, F)
    ;   C=[],
        F=[A|D]
    ).
simple_guard(A, C) :-
    binds_b(A, B),
    \+ ( member(D, B),
         lookup_eq(C, D, _)
       ).
active_constraint_detachment(E, I, A, J, H) :-
    functor(A, B, C),
    D=B/C,
    (   is_stored(D)
    ->  (   (   E==[0],
                chr_pp_flag(store_in_guards, off)
            ;   get_allocation_occurrence(D, G),
                get_max_occurrence(D, F),
                F<G
            ),
            only_ground_indexed_arguments(D),
            chr_pp_flag(late_allocation, on)
        ->  H=true
        ;   gen_uncond_susp_detachment(A,
                                       I,
                                       active,
                                       J,
                                       K),
            (   chr_pp_flag(late_allocation, on)
            ->  H=(var(I)->true;K)
            ;   H=K
            )
        )
    ;   H=true
    ).
partner_constraint_detachments([], [], _, true).
partner_constraint_detachments([B|E], [A|F], C,  (D, G)) :-
    gen_uncond_susp_detachment(A, B, partner, C, D),
    partner_constraint_detachments(E, F, C, G).
gen_uncond_susp_detachment(A, G, H, J, E) :-
    functor(A, B, C),
    D=B/C,
    (   is_stored(D)
    ->  E=(F, I),
        (   chr_pp_flag(debugable, on)
        ->  F='chr debug_event'(remove(G))
        ;   F=true
        ),
        remove_constraint_goal(D,
                               G,
                               L,
                               true,
                               (K, M),
                               H,
                               I),
        delete_constraint_goal(A, G, J, K),
        (   \+ only_ground_indexed_arguments(D),
            \+ get_store_type(D, var_assoc_store(_, _))
        ->  detach_constraint_atom(D, L, G, M)
        ;   M=true
        )
    ;   E=true
    ).
simpagation_head1_code(C, J1, J, L, A, E/D, _, H, A2, C2) :-
    A=pragma(B, ids(_, M), _, _, N),
    B=rule(_, K, H1, I1),
    head_info(C, D, B1, A1, I, F),
    get_constraint_mode(E/D, G),
    head_arg_matches(F, G, [], U1, V, [], W),
    build_head(E, D, H, I, T1),
    append(J, K, O),
    append(L, M, P),
    reorder_heads(N, C, O, P, S, T),
    guard_splitting(B, Q),
    (   is_stored_in_guard(E/D, N)
    ->  R=[_|Q]
    ;   R=Q
    ),
    guard_via_reschedule_new(S,
                             R,
                             C,
                             Z,
                             U,
                             V1),
    rest_heads_retrieval_and_matching(S,
                                      T,
                                      C,
                                      U,
                                      X,
                                      V,
                                      Y,
                                      [],
                                      [],
                                      [],
                                      W,
                                      _),
    split_by_ids(T,
                 X,
                 L,
                 E1,
                 F1,
                 K1,
                 L1),
    guard_body_copies3(B, R, Y, Z, Y1),
    (   is_stored_in_guard(E/D, N)
    ->  gen_uncond_attach_goal(E/D,
                               A1,
                               B1,
                               D1,
                               _),
        Z=[C1|_],
        C1=D1
    ;   true
    ),
    sort_by_key(E1, F1, G1),
    partner_constraint_detachments(G1, J, Y, W1),
    active_constraint_detachment(H, A1, C, Y, X1),
    (   chr_pp_flag(debugable, on)
    ->  my_term_copy(H1-I1, Y, O1-P1),
        sort_by_key([A1|E1], [J1|F1], M1),
        sort_by_key(K1, L1, N1),
        Q1='chr debug_event'(try(M1, N1, O1, P1)),
        R1='chr debug_event'(apply(M1, N1, O1, P1)),
        instrument_goal(!, Q1, R1, S1)
    ;   S1=!
    ),
    Z1=(T1:-U1, V1, S1, W1, X1, Y1),
    add_location(Z1, N, B2),
    A2=[B2|C2].
split_by_ids([], [], _, [], []).
split_by_ids([A|H], [D|I], B, C, E) :-
    (   memberchk_eq(A, B)
    ->  C=[D|F],
        E=G
    ;   C=F,
        E=[D|G]
    ),
    split_by_ids(H, I, B, F, G).
split_by_ids([], [], _, [], [], [], []).
split_by_ids([A|L], [D|M], B, C, E, F, G) :-
    (   memberchk_eq(A, B)
    ->  C=[D|H],
        E=[A|I],
        F=J,
        G=K
    ;   C=H,
        E=I,
        F=[D|J],
        G=[A|K]
    ),
    split_by_ids(L, M, B, H, I, J, K).
simpagation_head2_code(H, C1, D, F, A, O, P, Q, R, E1) :-
    A=pragma(B, ids(E, T), _, _, G),
    B=rule(C, _, M, N),
    append(C, D, I),
    append(E, F, J),
    reorder_heads(G,
                  H,
                  I,
                  J,
                  [K|L],
                  [S|U]),
    simpagation_head2_prelude(H,
                              K,
                              [L, M, N],
                              O,
                              P,
                              Q,
                              R,
                              W),
    extend_id(Q, V),
    (   memberchk_eq(S, T)
    ->  simpagation_universal_searches(L,
                                       U,
                                       T,
                                       [K, H],
                                       B,
                                       O,
                                       P,
                                       Z,
                                       A1,
                                       B1,
                                       V,
                                       Y,
                                       W,
                                       X)
    ;   W=X,
        V=Y,
        Z=L,
        A1=[K, H],
        B1=U
    ),
    universal_search_iterator_end(A1,
                                  Z,
                                  B,
                                  O,
                                  P,
                                  Y,
                                  X,
                                  D1),
    simpagation_head2_worker(A1,
                             Z,
                             B1,
                             C1,
                             A,
                             O,
                             P,
                             Y,
                             D1,
                             E1).
simpagation_universal_searches([], [], _, A, _, _, _, [], A, [], B, B, C, C).
simpagation_universal_searches(A, [I|L], J, C, D, E, F, N, O, P, B, R, G, T) :-
    A=[M|K],
    inc_id(B, Q),
    universal_search_iterator_end(C,
                                  A,
                                  D,
                                  E,
                                  F,
                                  B,
                                  G,
                                  H),
    universal_search_iterator(A,
                              C,
                              D,
                              E,
                              F,
                              B,
                              H,
                              S),
    (   memberchk_eq(I, J)
    ->  simpagation_universal_searches(K,
                                       L,
                                       J,
                                       [M|C],
                                       D,
                                       E,
                                       F,
                                       N,
                                       O,
                                       P,
                                       Q,
                                       R,
                                       S,
                                       T)
    ;   R=Q,
        S=T,
        N=K,
        O=[M|C],
        L=P
    ).
simpagation_head2_prelude(A, H, N, C/B, K, D, Y, A1) :-
    head_info(A, B, L, M, E, F),
    build_head(C, B, D, E, S),
    get_constraint_mode(C/B, G),
    head_arg_matches(F, G, [], T, I, [], J),
    lookup_passive_head(H, [A], I, J, U, O),
    gen_occ_allocation(C/B, K, L, M, V),
    extend_id(D, Q),
    extra_active_delegate_variables(A,
                                    [H|N],
                                    I,
                                    P),
    append([O|E], P, R),
    build_head(C, B, [K|Q], R, W),
    X=(S:-T, U, !, V, W),
    add_dummy_location(X, Z),
    Y=[Z|A1].
extra_active_delegate_variables(A, B, C, E) :-
    A=..[_|D],
    delegate_variables(A, B, C, D, E).
passive_delegate_variables(B, A, C, D, F) :-
    term_variables(A, E),
    delegate_variables(B, C, D, E, F).
delegate_variables(A, B, H, F, I) :-
    term_variables(A, C),
    term_variables(B, D),
    intersect_eq(C, D, E),
    list_difference_eq(E, F, G),
    translate(G, H, I).
simpagation_head2_worker([D|C], E, D1, _, A, V/W, X, Y, L2, N2) :-
    A=pragma(B, ids(H1, _), D2, _, A1),
    B=rule(_, _, F, G),
    get_prop_inner_loop_vars(C,
                             [D, E, F, G],
                             U,
                             N,
                             O1,
                             P1,
                             P),
    gen_var(J),
    gen_var(T),
    functor(D, K, H),
    gen_vars(H, I),
    head_info(D, H, I, J, _, L),
    get_constraint_mode(K/H, M),
    head_arg_matches(L, M, N, S, F1, [], _),
    delay_phase_end(validate_store_type_assumptions,
                    (static_suspension_term(K/H, O), get_static_suspension_field(K/H, O, state, active, Q), get_static_suspension_term_field(arguments, K/H, O, I))),
    different_from_other_susps(D, J, C, P, R),
    G2=(J=O, Q, R, S),
    Z=[[J|T]|U],
    build_head(V, W, [X|Y], Z, F2),
    guard_splitting(B, B1),
    (   is_stored_in_guard(V/W, A1)
    ->  C1=[_|B1]
    ;   C1=B1
    ),
    guard_via_reschedule_new(E,
                             C1,
                             [D|C],
                             N1,
                             E1,
                             H2),
    rest_heads_retrieval_and_matching(E,
                                      D1,
                                      [D|C],
                                      E1,
                                      G1,
                                      F1,
                                      K1,
                                      [D|C],
                                      [J|P],
                                      []),
    split_by_ids(D1, G1, H1, I1, W1),
    split_by_ids(D1, E, H1, J1, _),
    partner_constraint_detachments([J|I1],
                                   [D|J1],
                                   K1,
                                   I2),
    L1=[T|U],
    build_head(V, W, [X|Y], L1, Q1),
    M1=[[]|U],
    build_head(V, W, [X|Y], M1, S1),
    guard_body_copies3(B, C1, K1, N1, J2),
    (   is_stored_in_guard(V/W, A1)
    ->  N1=[B2|_]
    ;   true
    ),
    (   is_observed(V/W, X)
    ->  gen_uncond_attach_goal(V/W,
                               O1,
                               P1,
                               T1,
                               R1),
        gen_state_cond_call(O1,
                            V/W,
                            Q1,
                            R1,
                            U1),
        gen_state_cond_call(O1,
                            V/W,
                            S1,
                            R1,
                            V1)
    ;   T1=true,
        U1=Q1,
        V1=S1
    ),
    (   chr_pp_flag(debugable, on)
    ->  my_term_copy(F-G, N, X1-Y1),
        Z1='chr debug_event'(try([J|I1], [O1|W1], X1, Y1)),
        A2='chr debug_event'(apply([J|I1], [O1|W1], X1, Y1))
    ;   Z1=true,
        A2=true
    ),
    (   is_stored_in_guard(V/W, A1)
    ->  B2=T1,
        C2=true
    ;   B2=true,
        C2=T1
    ),
    (   member(unique(_, E2), D2),
        check_unique_keys(E2, N)
    ->  K2=(F2:-G2->(H2, Z1->A2, I2, C2, J2, V1;S1);Q1)
    ;   K2=(F2:-G2, H2, Z1->A2, I2, C2, J2, U1;Q1)
    ),
    add_location(K2, A1, M2),
    L2=[M2|N2].
gen_state_cond_call(B, A, J, D, I) :-
    (   may_trigger(A)
    ->  does_use_field(A, generation),
        delay_phase_end(validate_store_type_assumptions,
                        (static_suspension_term(A, C), get_update_static_suspension_field(A, B, C, state, active, inactive, E, F), get_static_suspension_field(A, C, generation, D, H), get_static_suspension_term_field(arguments, A, C, G)))
    ;   delay_phase_end(validate_store_type_assumptions,
                        (static_suspension_term(A, C), get_update_static_suspension_field(A, B, C, state, active, inactive, E, F), get_static_suspension_term_field(arguments, A, C, G))),
        H=true
    ),
    I=(B=C, E, H->F, J;true).
propagation_code(B, C, A, K, D, E, F, G, H, I, J) :-
    (   A==[]
    ->  propagation_single_headed(B,
                                  C,
                                  D,
                                  E,
                                  F,
                                  G,
                                  H,
                                  I,
                                  J)
    ;   propagation_multi_headed(B,
                                 A,
                                 K,
                                 D,
                                 E,
                                 F,
                                 G,
                                 H,
                                 I,
                                 J)
    ).
propagation_single_headed(A, _, I, V, C/B, L, D, R1, T1) :-
    head_info(A, B, W, O, E, G),
    build_head(C, B, D, E, M1),
    inc_id(D, F),
    build_head(C, B, F, E, K),
    get_constraint_mode(C/B, H),
    head_arg_matches(G, H, [], N1, J, [], _),
    guard_body_copies(I, J, O1, P1),
    C1=K,
    actual_cut(C/B, L, R),
    I=rule(_, _, M, N),
    (   chr_pp_flag(debugable, on)
    ->  my_term_copy(M-N, J, P-Q),
        S='chr debug_event'(try([], [O], P, Q)),
        T='chr debug_event'(apply([], [O], P, Q)),
        instrument_goal(R, S, T, U)
    ;   U=R
    ),
    (   may_trigger(C/B),
        \+ has_no_history(V)
    ->  use_auxiliary_predicate(novel_production),
        use_auxiliary_predicate(extend_history),
        does_use_history(C/B, L),
        gen_occ_allocation(C/B,
                           L,
                           W,
                           O,
                           G1),
        (   named_history(V, Y, X)
        ->  (   X==[]
            ->  empty_named_history_novel_production(Y, A1),
                empty_named_history_extend_history(Y, B1)
            ;   Z=Y
            )
        ;   Z=V
        ),
        (   var(A1)
        ->  A1='$novel_production'(O, Z),
            B1='$extend_history'(O, Z)
        ;   true
        ),
        (   is_observed(C/B, L)
        ->  gen_uncond_attach_goal(C/B,
                                   O,
                                   W,
                                   E1,
                                   D1),
            gen_state_cond_call(O,
                                C/B,
                                C1,
                                D1,
                                F1)
        ;   E1=true,
            F1=C1
        )
    ;   G1=true,
        A1=true,
        B1=true,
        (   is_observed(C/B, L)
        ->  get_allocation_occurrence(C/B, H1),
            (   L==H1
            ->  gen_insert_constraint_internal_goal(C/B,
                                                    E1,
                                                    E,
                                                    W,
                                                    O),
                D1=0
            ;   E1=(I1, J1),
                gen_occ_allocation(C/B,
                                   L,
                                   W,
                                   O,
                                   I1),
                gen_uncond_attach_goal(C/B,
                                       O,
                                       W,
                                       J1,
                                       D1)
            ),
            gen_state_cond_call(O,
                                C/B,
                                C1,
                                D1,
                                F1)
        ;   gen_occ_allocation(C/B,
                               L,
                               W,
                               O,
                               E1),
            F1=C1
        )
    ),
    (   is_stored_in_guard(C/B, V)
    ->  K1=E1,
        L1=true
    ;   K1=true,
        L1=E1
    ),
    Q1=(M1:-N1, G1, A1, K1, O1, U, B1, L1, P1, F1),
    add_location(Q1, V, S1),
    R1=[S1|T1].
propagation_multi_headed(B, A, J, C, K, D, E, F, G, N) :-
    A=[I|H],
    propagation_prelude(B,
                        A,
                        C,
                        D,
                        E,
                        F,
                        G,
                        M),
    extend_id(F, L),
    propagation_nested_code(H,
                            [I, B],
                            J,
                            C,
                            K,
                            D,
                            E,
                            L,
                            M,
                            N).
propagation_prelude(A, [I|J], H, C/B, O, D, C1, E1) :-
    head_info(A, B, P, Q, E, F),
    build_head(C, B, D, E, W),
    get_constraint_mode(C/B, G),
    head_arg_matches(F, G, [], X, M, [], N),
    H=rule(_, _, K, L),
    extra_active_delegate_variables(A,
                                    [I, J, K, L],
                                    M,
                                    S),
    lookup_passive_head(I, [A], M, N, Y, R),
    gen_occ_allocation(C/B, O, P, Q, Z),
    extend_id(D, T),
    append([R|E], S, U),
    build_head(C, B, [O|T], U, V),
    A1=V,
    B1=(W:-X, Y, !, Z, A1),
    add_dummy_location(B1, D1),
    C1=[D1|E1].
propagation_nested_code([], [A|B], H, C, I, D, E, F, G, K) :-
    universal_search_iterator_end([A|B],
                                  [],
                                  C,
                                  D,
                                  E,
                                  F,
                                  G,
                                  J),
    propagation_body(A,
                     B,
                     H,
                     C,
                     I,
                     D,
                     E,
                     F,
                     J,
                     K).
propagation_nested_code([B|C], A, J, D, K, E, F, G, H, N) :-
    universal_search_iterator_end(A,
                                  [B|C],
                                  D,
                                  E,
                                  F,
                                  G,
                                  H,
                                  I),
    universal_search_iterator([B|C],
                              A,
                              D,
                              E,
                              F,
                              G,
                              I,
                              M),
    inc_id(G, L),
    propagation_nested_code(C,
                            [B|A],
                            J,
                            D,
                            K,
                            E,
                            F,
                            L,
                            M,
                            N).
check_fd_lookup_condition(A, B, _, _) :-
    get_store_type(A/B, global_singleton),
    !.
check_fd_lookup_condition(A, B, E, F) :-
    \+ may_trigger(A/B),
    get_functional_dependency(A/B, 1, C, D),
    copy_term(C-D, E-G),
    term_variables(F, H),
    intersect_eq(G, H, G),
    !.
propagation_body(C, B, O1, A, N1, P/Q, R, S, S2, U2) :-
    A=rule(_, Z1, D, E),
    gen_var_susp_list_for_b(B,
                            [C, D, E],
                            E1,
                            F,
                            U,
                            G,
                            V),
    flatten(F, O),
    init(G, F1),
    last(G, H1),
    gen_var(L),
    gen_var(N),
    functor(C, I, H),
    gen_vars(H, K),
    delay_phase_end(validate_store_type_assumptions,
                    (static_suspension_term(I/H, J), get_static_suspension_field(I/H, J, state, active, M), get_static_suspension_term_field(arguments, I/H, J, K))),
    M2=(L=J, M),
    T=[[L|N]|O],
    build_head(P, Q, [R|S], T, L2),
    (   check_fd_lookup_condition(I, H, C, B)
    ->  universal_search_iterator_failure_vars(B,
                                               S,
                                               F,
                                               U,
                                               V,
                                               W,
                                               Y),
        X=W
    ;   X=[N|O],
        Y=S
    ),
    (   Y=[_]
    ->  Z=Y
    ;   Z=[R|Y]
    ),
    build_head(P, Q, Z, X, A1),
    J1=A1,
    C=..[_|B1],
    pairup(B1, K, C1),
    get_constraint_mode(I/H, D1),
    head_arg_matches(C1, D1, E1, O2, G1),
    different_from_other_susps(C, L, B, F1, N2),
    guard_body_copies(A, G1, P2, Q2),
    get_occurrence(P/Q, R, _, R1),
    (   is_observed(P/Q, R)
    ->  init(U, I1),
        gen_uncond_attach_goal(P/Q,
                               H1,
                               I1,
                               L1,
                               K1),
        gen_state_cond_call(H1,
                            P/Q,
                            J1,
                            K1,
                            M1)
    ;   L1=true,
        M1=J1
    ),
    (   (   is_least_occurrence(N1)
        ;   has_no_history(N1)
        )
    ->  P1=true,
        Q1=true
    ;   \+ may_trigger(P/Q),
        maplist(is_passive(N1), O1)
    ->  P1=true,
        Q1=true
    ;   get_occurrence(P/Q, R, _, R1),
        use_auxiliary_predicate(novel_production),
        use_auxiliary_predicate(extend_history),
        does_use_history(P/Q, R),
        (   named_history(N1, T1, S1)
        ->  (   S1==[]
            ->  empty_named_history_novel_production(T1, P1),
                empty_named_history_extend_history(T1, Q1)
            ;   reverse([L|F1], U1),
                named_history_susps(S1,
                                    [R1|O1],
                                    [H1|U1],
                                    V1),
                V1=[W1|_],
                (   length(S1, 1)
                ->  Q1='$extend_history'(W1, T1),
                    P1='$novel_production'(W1, T1)
                ;   findall(X1,
                            ( member(Y1, S1),
                              get_occurrence_from_id(X1,
                                                     _,
                                                     N1,
                                                     Y1)
                            ),
                            A2),
                    B2=..[t, T1|V1]
                )
            )
        ;   W1=H1,
            maplist(extract_symbol, Z1, A2),
            sort([R1|O1], S1),
            history_susps(O1,
                          [L|F1],
                          H1,
                          R1,
                          V1),
            B2=..[t, N1|V1]
        ),
        (   var(P1)
        ->  novel_production_calls(A2,
                                   S1,
                                   V1,
                                   N1,
                                   C2,
                                   D2),
            Q1='$extend_history'(W1, C2),
            P1=(C2=B2, D2)
        ;   true
        )
    ),
    (   chr_pp_flag(debugable, on)
    ->  A=rule(_, _, D, E),
        my_term_copy(D-E, G1, F2-G2),
        get_occurrence(P/Q, R, _, R1),
        sort_by_key([H1, L|F1], [R1|O1], E2),
        H2='chr debug_event'(try([], E2, F2, G2)),
        I2='chr debug_event'(apply([], E2, F2, G2))
    ;   H2=true,
        I2=true
    ),
    (   is_stored_in_guard(P/Q, N1)
    ->  J2=L1,
        K2=true
    ;   J2=true,
        K2=L1
    ),
    R2=(L2:-M2, N2, O2, P1, J2, P2, H2->I2, Q1, K2, Q2, M1;J1),
    add_location(R2, N1, T2),
    S2=[T2|U2].
extract_symbol(A, B/C) :-
    functor(A, B, C).
novel_production_calls([], [], [], _, _, true).
novel_production_calls([A|H], [C|I], [E|J], B, F,  (G, K)) :-
    get_occurrence_from_id(A, D, B, C),
    delay_phase_end(validate_store_type_assumptions,
                    novel_production_call(A,
                                          D,
                                          '$novel_production'(E, F),
                                          G)),
    novel_production_calls(H, I, J, B, F, K).
history_susps(E, A, B, D, F) :-
    reverse(A, C),
    sort_by_key([B|C], [D|E], F).
named_history_susps([], _, _, []).
named_history_susps([A|E], C, D, [B|H]) :-
    select2(A, B, C, D, F, G),
    !,
    named_history_susps(E, F, G, H).
gen_var_susp_list_for([A], I, H, K, D, C) :-
    !,
    functor(A, E, B),
    head_info(A, B, _, C, D, F),
    get_constraint_mode(E/B, G),
    head_arg_matches(F, G, [], _, H),
    extra_active_delegate_variables(A, I, H, J),
    append(D, J, K).
gen_var_susp_list_for([B|A], C, K, N, D, E) :-
    gen_var_susp_list_for(A,
                          [B|C],
                          J,
                          D,
                          _,
                          _),
    functor(B, G, F),
    gen_var(E),
    head_info(B, F, _, M, _, H),
    get_constraint_mode(G/F, I),
    head_arg_matches(H, I, J, _, K),
    passive_delegate_variables(B, A, C, K, L),
    append(L, [M, E|D], N).
gen_var_susp_list_for_b([A], I, H, [K], D, [C], []) :-
    !,
    functor(A, E, B),
    head_info(A, B, _, C, D, F),
    get_constraint_mode(E/B, G),
    head_arg_matches(F, G, [], _, H),
    extra_active_delegate_variables(A, I, H, J),
    append(D, J, K).
gen_var_susp_list_for_b([B|A], C, O, [Q|D], E, [J|F], [H|G]) :-
    gen_var_susp_list_for_b(A,
                            [B|C],
                            N,
                            D,
                            E,
                            F,
                            G),
    functor(B, K, I),
    gen_var(H),
    head_info(B, I, _, J, _, L),
    get_constraint_mode(K/I, M),
    head_arg_matches(L, M, N, _, O),
    passive_delegate_variables(B, A, C, O, P),
    append(P, [J, H], Q).
get_prop_inner_loop_vars([A], I, L, H, D, C, []) :-
    !,
    functor(A, E, B),
    head_info(A, B, C, D, J, F),
    get_constraint_mode(E/B, G),
    head_arg_matches(F, G, [], _, H),
    extra_active_delegate_variables(A, I, H, K),
    append(J, K, L).
get_prop_inner_loop_vars([B|A], C, Q, M, D, E, [H|F]) :-
    get_prop_inner_loop_vars(A,
                             [B|C],
                             P,
                             L,
                             D,
                             E,
                             F),
    functor(B, I, G),
    gen_var(O),
    head_info(B, G, _, H, _, J),
    get_constraint_mode(I/G, K),
    head_arg_matches(J, K, L, _, M),
    passive_delegate_variables(B, A, C, M, N),
    append(N, [H, O|P], Q).
reorder_heads(C, D, A, E, F, G) :-
    (   chr_pp_flag(reorder_heads, on),
        length(A, B),
        B=<6
    ->  reorder_heads_main(C, D, A, E, F, G)
    ;   F=A,
        G=E
    ).
reorder_heads_main(E, A, C, D, N, P) :-
    term_variables(A, B),
    F=entry([], [], B, C, D, E),
    copy_term_nat(F, G),
    a_star(G,
           H^(chr_translate:final_data(H)),
           I^J^K^(chr_translate:expand_data(I, J, K)),
           L),
    G=F,
    L=entry(M, O, _, _, _, _),
    reverse(M, N),
    reverse(O, P).
final_data(A) :-
    A=entry(_, _, _, _, [], _).
expand_data(A, F, N) :-
    A=entry(G, I, E, B, C, M),
    select2(D, H, B, C, K, L),
    term_variables([D|E], J),
    F=entry([D|G], [H|I], J, K, L, M),
    order_score(D, H, E, K, M, N).
order_score(A, E, F, G, H, I) :-
    functor(A, B, C),
    get_store_type(B/C, D),
    order_score(D, A, E, F, G, H, 99999, I).
order_score(default, A, _, F, B, _, I, H) :-
    term_variables(A, C),
    term_variables(B, G),
    ground_vars([A], D),
    list_difference_eq(C, D, E),
    order_score_vars(E, F, G, J),
    H is min(I, J).
order_score(multi_inthash(C), D, _, E, _, _, A, B) :-
    (   A=<100
    ->  B=A
    ;   order_score_indexes(C, D, E, B)
    ).
order_score(multi_hash(C), D, _, E, _, _, A, B) :-
    (   A=<100
    ->  B=A
    ;   order_score_indexes(C, D, E, B)
    ).
order_score(global_ground, A, _, D, B, _, H, G) :-
    term_variables(A, C),
    term_variables(B, E),
    order_score_vars(C, D, E, F),
    I is F*200,
    G is min(H, I).
order_score(var_assoc_store(_, _), _, _, _, _, _, _, 1).
order_score(global_singleton, _, _, _, _, _, _, A) :-
    A=1.
order_score(multi_store(A), B, C, D, E, F, G, H) :-
    multi_order_score(A,
                      B,
                      C,
                      D,
                      E,
                      F,
                      G,
                      H).
multi_order_score([], _, _, _, _, _, A, A).
multi_order_score([A|I], B, C, D, E, F, G, J) :-
    (   order_score(A,
                    B,
                    C,
                    D,
                    E,
                    F,
                    G,
                    H)
    ->  true
    ;   H=G
    ),
    multi_order_score(I,
                      B,
                      C,
                      D,
                      E,
                      F,
                      H,
                      J).
order_score(identifier_store(A), B, _, D, _, _, F, E) :-
    arg(A, B, C),
    memberchk_eq(C, D),
    E is min(F, 10).
order_score(type_indexed_identifier_store(A, _), B, _, D, _, _, F, E) :-
    arg(A, B, C),
    memberchk_eq(C, D),
    E is min(F, 10).
order_score_indexes(D, A, B, F) :-
    copy_term_nat(A+B, E+C),
    numbervars(C, 0, _),
    order_score_indexes(D, E, F).
order_score_indexes([A|E], B, D) :-
    args(A, B, C),
    (   maplist(ground, C)
    ->  D=100
    ;   order_score_indexes(E, B, D)
    ).
memberchk_eq_flip(B, A) :-
    memberchk_eq(A, B).
order_score_vars(A, B, C, G) :-
    order_score_count_vars(A, B, C, D-E-F),
    (   D-E-F==0-0-0
    ->  G=0
    ;   D>0
    ->  G is max(10-D, 0)
    ;   E>0
    ->  G is max(10-E, 1)*100
    ;   G is max(10-F, 1)*1000
    ).
order_score_count_vars([], _, _, 0-0-0).
order_score_count_vars([D|A], B, C, E-G-I) :-
    order_score_count_vars(A, B, C, F-H-J),
    (   memberchk_eq(D, B)
    ->  E is F+1,
        G=H,
        I=J
    ;   memberchk_eq(D, C)
    ->  G is H+1,
        E=F,
        I=J
    ;   I is J+1,
        E=F,
        G=H
    ).
create_get_mutable_ref(C, B, A) :-
    A=(B=mutable(C)).
create_get_mutable(B, A, C) :-
    A=mutable(B),
    C=true.
gen_var(_).
gen_vars(B, A) :-
    length(A, B).
ast_head_info1(A, C, D, E, G) :-
    A=chr_constraint(_/B, F, _),
    vars_susp(B, C, D, E),
    pairup(F, C, G).
head_info1(E, _/A, B, C, D, G) :-
    vars_susp(A, B, C, D),
    E=..[_|F],
    pairup(F, B, G).
head_info(E, A, B, C, D, G) :-
    vars_susp(A, B, C, D),
    E=..[_|F],
    pairup(F, B, G).
inc_id([C|A], [B|A]) :-
    B is C+1.
dec_id([C|A], [B|A]) :-
    B is C-1.
extend_id(A, [0|A]).
next_id([_, C|A], [B|A]) :-
    B is C+1.
build_head(A/B, C, D, E) :-
    build_head(A, B, C, D, E).
build_head(A, B, C, H, F) :-
    buildName(A, B, C, G),
    (   (   chr_pp_flag(debugable, on)
        ;   is_stored(A/B),
            (   has_active_occurrence(A/B)
            ;   chr_pp_flag(late_allocation, off)
            ),
            (   may_trigger(A/B)
            ;   get_allocation_occurrence(A/B, E),
                get_max_occurrence(A/B, D),
                D>=E
            )
        )
    ->  F=..[G|H]
    ;   init(H, I),
        F=..[G|I]
    ).
buildName(A, B, E, H) :-
    (   (   chr_pp_flag(debugable, on)
        ;   once((   is_stored(A/B),
                     (   has_active_occurrence(A/B)
                     ;   chr_pp_flag(late_allocation, off)
                     ),
                     (   may_trigger(A/B)
                     ;   get_allocation_occurrence(A/B, D),
                         get_max_occurrence(A/B, C),
                         C>=D
                     )
                 ;   E\=[0]
                 ))
        )
    ->  atom_concat(A, '___', F),
        atomic_concat(F, B, G),
        buildName_(E, G, H)
    ;   H=A
    ).
buildName_([], A, A).
buildName_([E|A], B, F) :-
    buildName_(A, B, C),
    atom_concat(C, '__', D),
    atomic_concat(D, E, F).
vars_susp(B, A, C, D) :-
    length(A, B),
    append(A, [C], D).
or_pattern(A, B) :-
    C is A-1,
    B is 1<<C.
and_pattern(A, C) :-
    B is A-1,
    D is 1<<B,
    C is -1*(D+1).
make_name(A, B/C, D) :-
    atom_concat_list([A, B, '___', C], D).
make_attr(B, D, A, C) :-
    length(A, B),
    C=..[v, D|A].
get_all_suspensions2(A, C, B) :-
    chr_pp_flag(dynattr, off),
    !,
    make_attr(A, _, B, C).
get_all_suspensions2(B, D, C, A) :-
    length(A, B),
    C='chr all_suspensions'(A, 1, D).
normalize_attr(B, A, C) :-
    A='chr normalize_attr'(B, C).
get_suspensions(B, D, A, A=C, F) :-
    chr_pp_flag(dynattr, off),
    !,
    make_attr(B, _, E, C),
    nth1(D, E, F).
get_suspensions(_, B, D, A, C) :-
    A=(memberchk(B-C, D)->true;C=[]).
singleton_attr(B, F, A, D) :-
    chr_pp_flag(dynattr, off),
    !,
    or_pattern(A, C),
    make_attr(B, C, E, D),
    nth1(A, E, [F], G),
    set_elems(G, []).
singleton_attr(_, C, B, A) :-
    A=[B-[C]].
add_attr(A, E, B, J, I, M) :-
    chr_pp_flag(dynattr, off),
    !,
    make_attr(A, F, C, K),
    or_pattern(B, L),
    nth1(B, C, D),
    substitute_eq(D, C, [E|D], G),
    make_attr(A, F, G, N),
    substitute_eq(D, C, [E], H),
    make_attr(A, O, H, P),
    I=(J=K, (F/\L=:=L->M=N;O is F\/L, M=P)),
    !.
add_attr(_, E, C, B, A, D) :-
    A=('chr select'(B, C-F, G)->D=[C-[E|F]|G];D=[C-[E]|B]).
rem_attr(B, P, L, A, I, H) :-
    chr_pp_flag(dynattr, off),
    chr_pp_flag(experiment, off),
    !,
    or_pattern(A, K),
    and_pattern(A, O),
    make_attr(B, F, C, J),
    nth1(A, C, D),
    substitute_eq(D, C, [], E),
    make_attr(B, N, E, R),
    substitute_eq(D, C, M, G),
    make_attr(B, F, G, S),
    get_target_module(Q),
    H=(I=J, (F/\K=:=K->'chr sbag_del_element'(D, L, M), (M==[]->N is F/\O, (N==0->del_attr(P, Q);put_attr(P, Q, R));put_attr(P, Q, S));true)),
    !.
rem_attr(_, L, H, A, C, B) :-
    chr_pp_flag(dynattr, off),
    chr_pp_flag(experiment, on),
    !,
    or_pattern(A, E),
    and_pattern(A, J),
    F is A+1,
    get_target_module(M),
    B=(arg(1, C, D), (D/\E=:=E->arg(F, C, G), 'chr sbag_del_element'(G, H, I), (I==[]->K is D/\J, (K==0->del_attr(L, M);setarg(1, C, K), setarg(F, C, I));setarg(F, C, I));true)),
    !.
rem_attr(_, H, E, C, B, A) :-
    get_target_module(I),
    A=('chr select'(B, C-D, G)->'chr sbag_del_element'(D, E, F), (F==[]->(G==[]->del_attr(H, I);put_attr(H, I, G));put_attr(H, I, [C-F|G]));true).
merge_attributes(A, G, D, F, E) :-
    chr_pp_flag(dynattr, off),
    !,
    make_attr(A, B, C, H),
    merge_attributes2(A, B, C, D, I, E),
    F=(G=H, I).
merge_attributes(_, B, C, A, F) :-
    A=(sort(B, D), sort(C, E), 'chr new_merge_attributes'(D, E, F)).
merge_attributes2(A, U, B, Q, P, O) :-
    make_attr(A, V, C, R),
    bagof(F,
          D^E^G^H^(member2(B, C, D-E), F=(sort(E, G), 'chr merge_attributes'(D, G, H))),
          I),
    list2conj(I, S),
    bagof(M,
          J^K^L^member((J, 'chr merge_attributes'(K, L, M)), I),
          N),
    make_attr(A, T, N, O),
    P=(Q=R, S, T is U\/V).
lookup_passive_head(A, E, F, G, H) :-
    functor(A, B, C),
    get_store_type(B/C, D),
    lookup_passive_head(D, A, E, F, [], G, H).
lookup_passive_head(A, E, F, G, H, I) :-
    functor(A, B, C),
    get_store_type(B/C, D),
    lookup_passive_head(D,
                        A,
                        E,
                        F,
                        G,
                        H,
                        I).
lookup_passive_head(default, A, B, C, _, D, E) :-
    functor(A, F, G),
    passive_head_via(A, B, C, D, E),
    update_store_type(F/G, default).
lookup_passive_head(multi_inthash(A), B, _, C, D, E, F) :-
    hash_lookup_passive_head(inthash,
                             A,
                             B,
                             C,
                             D,
                             E,
                             F,
                             _).
lookup_passive_head(multi_hash(A), B, _, C, D, E, F) :-
    hash_lookup_passive_head(hash,
                             A,
                             B,
                             C,
                             D,
                             E,
                             F,
                             _).
lookup_passive_head(global_ground, A, _, _, _, F, E) :-
    functor(A, B, C),
    global_ground_store_name(B/C, D),
    make_get_store_goal(D, E, F),
    update_store_type(B/C, global_ground).
lookup_passive_head(var_assoc_store(A, C), B, _, F, _, G, L) :-
    arg(A, B, D),
    arg(C, B, E),
    translate([D, E], F, [H, K]),
    get_target_module(I),
    G=(get_attr(H, I, J), lookup_assoc_store(J, K, L)).
lookup_passive_head(global_singleton, A, _, _, _, E, H) :-
    functor(A, B, C),
    global_singleton_store_name(B/C, D),
    make_get_store_goal(D, G, F),
    E=(F, G\==[], H=[G]),
    update_store_type(B/C, global_singleton).
lookup_passive_head(multi_store(A), C, D, E, F, G, H) :-
    once(( member(B, A),
           lookup_passive_head(B,
                               C,
                               D,
                               E,
                               F,
                               G,
                               H)
         )).
lookup_passive_head(identifier_store(B), A, _, D, _, I, G) :-
    functor(A, E, F),
    arg(B, A, C),
    translate([C], D, [H]),
    delay_phase_end(validate_store_type_assumptions,
                    identifier_lookup(E/F,
                                      B,
                                      G,
                                      H,
                                      I)),
    update_store_type(E/F, identifier_store(B)),
    get_identifier_index(E/F, B, _).
lookup_passive_head(type_indexed_identifier_store(B, F), A, _, D, _, E, M) :-
    functor(A, K, L),
    arg(B, A, C),
    (   var(C)
    ->  translate([C], D, [H]),
        E=J
    ;   ground(C),
        C='$chr_identifier_match'(G, _)
    ->  lookup_only_identifier_atom(F, G, H, I),
        E=(I, J)
    ),
    delay_phase_end(validate_store_type_assumptions,
                    type_indexed_identifier_lookup(K/L,
                                                   B,
                                                   F,
                                                   M,
                                                   H,
                                                   J)),
    update_store_type(K/L,
                      type_indexed_identifier_store(B, F)),
    get_type_indexed_identifier_index(F,
                                      K/L,
                                      B,
                                      _).
identifier_lookup(B, C, F, H, G) :-
    get_identifier_size(A),
    functor(E, struct, A),
    get_identifier_index(B, C, D),
    arg(D, E, F),
    G=(H=E).
type_indexed_identifier_lookup(B, C, A, F, H, G) :-
    type_indexed_identifier_structure(A, E),
    get_type_indexed_identifier_index(A, B, C, D),
    arg(D, E, F),
    G=(H=E).
hash_lookup_passive_head(I, A, B, C, K, N, J, D) :-
    pick_hash_index(A, B, C, D, L, E),
    (   E=[F]
    ->  true
    ;   F=..[k|E]
    ),
    functor(B, G, H),
    multi_hash_lookup_goal(G/H,
                           I,
                           D,
                           F,
                           J,
                           P),
    check_ground(K, L, M),
    my_term_copy(M, C, O),
    N=(O, P),
    (   I==inthash
    ->  update_store_type(G/H, multi_inthash([D]))
    ;   update_store_type(G/H, multi_hash([D]))
    ).
pick_hash_index(B, C, E, A, D, F) :-
    member(A, B),
    args(A, C, D),
    key_in_scope(D, E, F),
    !.
key_in_scope([], _, []).
key_in_scope([A|F], C, [D|G]) :-
    term_variables(A, B),
    translate(B, C, E),
    copy_term(A/B, D/E),
    key_in_scope(F, C, G).
existential_lookup(var_assoc_store(B, C), D, E, F, G, L, M, H, A, A) :-
    !,
    lookup_passive_head(var_assoc_store(B, C),
                        D,
                        E,
                        F,
                        G,
                        N,
                        I),
    sbag_member_call(H, I, O),
    functor(D, J, K),
    delay_phase_end(validate_store_type_assumptions,
                    (static_suspension_term(J/K, L), get_static_suspension_field(J/K, L, state, active, P))),
    M=(N, O, H=L, P).
existential_lookup(global_singleton, B, _, _, _, I, G, F, A, A) :-
    !,
    functor(B, C, D),
    global_singleton_store_name(C/D, E),
    make_get_store_goal(E, F, H),
    G=(H, F\==[], F=I),
    update_store_type(C/D, global_singleton).
existential_lookup(multi_store(A), C, D, E, F, G, H, I, J, K) :-
    !,
    once(( member(B, A),
           existential_lookup(B,
                              C,
                              D,
                              E,
                              F,
                              G,
                              H,
                              I,
                              J,
                              K)
         )).
existential_lookup(multi_inthash(A), B, _, C, D, E, F, G, H, I) :-
    !,
    existential_hash_lookup(inthash,
                            A,
                            B,
                            C,
                            D,
                            E,
                            F,
                            G,
                            H,
                            I).
existential_lookup(multi_hash(A), B, _, C, D, E, F, G, H, I) :-
    !,
    existential_hash_lookup(hash,
                            A,
                            B,
                            C,
                            D,
                            E,
                            F,
                            G,
                            H,
                            I).
existential_lookup(identifier_store(A), B, C, D, E, M, N, K, F, G) :-
    !,
    lookup_passive_head(identifier_store(A),
                        B,
                        C,
                        D,
                        E,
                        O,
                        J),
    hash_index_filter(F, [A], G),
    functor(B, H, I),
    (   check_fd_lookup_condition(H, I, B, _)
    ->  L=(J=[K])
    ;   sbag_member_call(K, J, L)
    ),
    delay_phase_end(validate_store_type_assumptions,
                    (static_suspension_term(H/I, M), get_static_suspension_field(H/I, M, state, active, P))),
    N=(O, L, K=M, P).
existential_lookup(type_indexed_identifier_store(A, B), C, D, E, F, N, O, L, G, H) :-
    !,
    lookup_passive_head(type_indexed_identifier_store(A, B),
                        C,
                        D,
                        E,
                        F,
                        P,
                        K),
    hash_index_filter(G, [A], H),
    functor(C, I, J),
    (   check_fd_lookup_condition(I, J, C, _)
    ->  M=(K=[L])
    ;   sbag_member_call(L, K, M)
    ),
    delay_phase_end(validate_store_type_assumptions,
                    (static_suspension_term(I/J, N), get_static_suspension_field(I/J, N, state, active, Q))),
    O=(P, M, L=N, Q).
existential_lookup(B, C, D, E, F, K, L, G, A, A) :-
    lookup_passive_head(B,
                        C,
                        D,
                        E,
                        F,
                        M,
                        H),
    sbag_member_call(G, H, N),
    functor(C, I, J),
    delay_phase_end(validate_store_type_assumptions,
                    (static_suspension_term(I/J, K), get_static_suspension_field(I/J, K, state, active, O))),
    L=(M, N, G=K, O).
existential_hash_lookup(A, B, C, D, E, N, O, L, F, H) :-
    hash_lookup_passive_head(A,
                             B,
                             C,
                             D,
                             E,
                             P,
                             K,
                             G),
    hash_index_filter(F, G, H),
    functor(C, I, J),
    (   check_fd_lookup_condition(I, J, C, _)
    ->  M=(K=[L])
    ;   sbag_member_call(L, K, M)
    ),
    delay_phase_end(validate_store_type_assumptions,
                    (static_suspension_term(I/J, N), get_static_suspension_field(I/J, N, state, active, Q))),
    O=(P, M, L=N, Q).
hash_index_filter(A, B, C) :-
    hash_index_filter(A, B, 1, C).
hash_index_filter([], _, _, []).
hash_index_filter([E|F], A, B, D) :-
    (   A=[C|G]
    ->  H is B+1,
        (   C>B
        ->  D=[E|I],
            hash_index_filter(F, [C|G], H, I)
        ;   C==B
        ->  D=[silent(E)|I],
            hash_index_filter(F, G, H, I)
        )
    ;   D=[E|F]
    ).
assume_constraint_stores([]).
assume_constraint_stores([A|V]) :-
    (   chr_pp_flag(debugable, off),
        (   only_ground_indexed_arguments(A)
        ;   chr_pp_flag(mixed_stores, on)
        ),
        is_stored(A),
        get_store_type(A, default)
    ->  get_indexed_arguments(A, C),
        get_constraint_mode(A, D),
        aggregate_all(bag(B)-count,
                      (member(B, C), nth1(B, D, +)),
                      F-E),
        (   E>10
        ->  findall([B], member(B, F), H)
        ;   findall(B,
                    ( sublist(B, F),
                      B\==[]
                    ),
                    G),
            predsort(longer_list, G, H)
        ),
        (   get_functional_dependency(A, 1, I, J),
            all_distinct_var_args(I),
            J==[]
        ->  assumed_store_type(A, global_singleton)
        ;   (   only_ground_indexed_arguments(A)
            ;   E>0
            )
        ->  get_constraint_type_det(A, K),
            partition_indexes(H,
                              K,
                              O,
                              L,
                              Q,
                              T),
            (   L=[]
            ->  M=N
            ;   M=[multi_inthash(L)|N]
            ),
            (   O=[]
            ->  N=P
            ;   N=[multi_hash(O)|P]
            ),
            (   Q=[]
            ->  P=S
            ;   maplist(wrap_in_functor(identifier_store), Q, R),
                append(R, S, P)
            ),
            append(T, U, S),
            (   only_ground_indexed_arguments(A)
            ->  U=[global_ground]
            ;   U=[default]
            ),
            assumed_store_type(A, multi_store(M))
        ;   true
        )
    ;   true
    ),
    assume_constraint_stores(V).
partition_indexes([], _, [], [], [], []).
partition_indexes([A|O], C, H, G, F, I) :-
    (   A=[B],
        nth1(B, C, D),
        unalias_type(D, E),
        E==chr_identifier
    ->  F=[B|L],
        G=M,
        H=N,
        I=K
    ;   A=[B],
        nth1(B, C, D),
        unalias_type(D, E),
        nonvar(E),
        E=chr_identifier(J)
    ->  I=[type_indexed_identifier_store(B, J)|K],
        F=L,
        G=M,
        H=N
    ;   A=[B],
        nth1(B, C, D),
        unalias_type(D, E),
        E==dense_int
    ->  G=[A|M],
        H=N,
        F=L,
        I=K
    ;   member(B, A),
        nth1(B, C, D),
        unalias_type(D, E),
        nonvar(E),
        E=chr_identifier(_)
    ->  G=M,
        H=N,
        F=L,
        I=K
    ;   G=M,
        H=[A|N],
        F=L,
        I=K
    ),
    partition_indexes(O, C, N, M, L, K).
longer_list(F, A, B) :-
    length(A, D),
    length(B, C),
    compare(E, C, D),
    (   E==(=)
    ->  compare(F, A, B)
    ;   F=E
    ).
all_distinct_var_args(A) :-
    copy_term_nat(A, E),
    functor(A, B, C),
    functor(D, B, C),
    D=@=E.
get_indexed_arguments(A, C) :-
    A=_/B,
    get_indexed_arguments(1, B, A, C).
get_indexed_arguments(A, B, D, C) :-
    (   A>B
    ->  C=[]
    ;   (   is_indexed_argument(D, A)
        ->  C=[A|E]
        ;   C=E
        ),
        F is A+1,
        get_indexed_arguments(F, B, D, E)
    ).
validate_store_type_assumptions([]).
validate_store_type_assumptions([A|B]) :-
    validate_store_type_assumption(A),
    validate_store_type_assumptions(B).
universal_search_iterator_end([C|B], D, A, L/M, N, G, W, Y) :-
    A=rule(_, _, E, F),
    gen_var_susp_list_for_b(B,
                            [C, D, E, F],
                            _,
                            H,
                            I,
                            _,
                            J),
    universal_search_iterator_failure_vars(B,
                                           G,
                                           H,
                                           I,
                                           J,
                                           S,
                                           P),
    flatten(H, K),
    O=[[]|K],
    build_head(L, M, [N|G], O, T),
    (   P=[_]
    ->  get_success_continuation_code_id(L/M, N, Q),
        R=[Q]
    ;   R=[N|P]
    ),
    build_head(L, M, R, S, U),
    V=(T:-U),
    add_dummy_location(V, X),
    W=[X|Y].
universal_search_iterator_failure_vars(F, A, E, D, K, C, B) :-
    (   A=[0|_]
    ->  next_id(A, B),
        C=D
    ;   E=[_|M],
        dec_id(A, L),
        (   F=[G|J],
            functor(G, H, I),
            check_fd_lookup_condition(H, I, G, J)
        ->  K=[_|N],
            universal_search_iterator_failure_vars(J,
                                                   L,
                                                   M,
                                                   D,
                                                   N,
                                                   C,
                                                   B)
        ;   B=L,
            flatten(M, P),
            K=[O|_],
            C=[O|P]
        )
    ).
universal_search_iterator([D|E], [C|B], A, A1/B1, C1, X, U1, W1) :-
    A=rule(_, _, F, G),
    gen_var_susp_list_for_b(B,
                            [C, D, E, F, G],
                            O,
                            I,
                            I1,
                            H,
                            J1),
    init(H, R),
    flatten(I, Z),
    gen_var(Y),
    functor(C, L, J),
    gen_vars(J, K),
    head_info(C, J, K, Q, _, M),
    get_constraint_mode(L/J, N),
    head_arg_matches(M, N, O, U, V),
    delay_phase_end(validate_store_type_assumptions,
                    (static_suspension_term(L/J, P), get_static_suspension_field(L/J, P, state, active, S), get_static_suspension_term_field(arguments, L/J, P, K))),
    different_from_other_susps(C, Q, B, R, T),
    P1=(Q=P, S, T, U),
    add_heads_ground_variables([C|B], [], W),
    lookup_passive_head(D,
                        [C|B],
                        V,
                        W,
                        Q1,
                        E1),
    inc_id(X, G1),
    D1=[[Q|Y]|Z],
    build_head(A1, B1, [C1|X], D1, O1),
    passive_delegate_variables(C,
                               B,
                               [D, E, F, G],
                               V,
                               F1),
    append([E1|F1], [Q, Y|Z], H1),
    build_head(A1, B1, [C1|G1], H1, R1),
    (   check_fd_lookup_condition(L, J, C, B)
    ->  universal_search_iterator_failure_vars(B,
                                               X,
                                               I,
                                               I1,
                                               J1,
                                               K1,
                                               M1),
        L1=K1
    ;   L1=[Y|Z],
        M1=X
    ),
    (   M1=[_]
    ->  N1=M1
    ;   N1=[C1|M1]
    ),
    build_head(A1, B1, N1, L1, S1),
    T1=(O1:-P1, Q1->R1;S1),
    add_dummy_location(T1, V1),
    U1=[V1|W1].
ai_observation_analysis(A) :-
    (   chr_pp_flag(ai_observation_analysis, on),
        get_target_module(_),
        '$chr_compiled_with_version'(3)
    ->  list_to_ord_set(A, B),
        abstract_constraints(B),
        ai_observation_schedule_initial_calls(B, B),
        ai_observation_gather_results
    ;   true
    ).
ai_observation_schedule_initial_calls([], _).
ai_observation_schedule_initial_calls([A|C], B) :-
    ai_observation_schedule_initial_call(A, B),
    ai_observation_schedule_initial_calls(C, B).
ai_observation_schedule_initial_call(A, _) :-
    ai_observation_top(A, B),
    initial_call_pattern(B).
ai_observation_schedule_new_calls([], _).
ai_observation_schedule_new_calls([B|D], A) :-
    A=odom(_, C),
    initial_call_pattern(odom(B, C)),
    ai_observation_schedule_new_calls(D, A).
ai_observation_lub(odom(A, B), odom(A, C), odom(A, D)) :-
    ord_intersection(B, C, D).
ai_observation_bot(A, B, odom(A, B)).
ai_observation_top(A, odom(A, B)) :-
    ord_empty(B).
ai_observation_leq(odom(A, C), odom(A, B)) :-
    ord_subset(B, C).
ai_observation_observe_set(A, B, C) :-
    ord_subtract(A, B, C).
ai_observation_abstract_constraint(A, E, B) :-
    functor(A, C, D),
    B=C/D,
    memberchk(B, E).
ai_observation_abstract_constraints(A, C, E) :-
    findall(D,
            ( member(B, A),
              ai_observation_abstract_constraint(B, C, D)
            ),
            E).
ai_observation_abstract_goal_(A, B, C, G, H, I) :-
    term_variables((A, B, C), E),
    append(A, B, D),
    ground_vars(D, F),
    list_difference_eq(E, F, J),
    ai_observation_abstract_goal(G, H, I, [], J),
    !.
ground_vars([], []).
ground_vars([A|F], I) :-
    functor(A, B, C),
    get_constraint_mode(B/C, E),
    head_info(A, C, _, _, _, D),
    head_arg_matches(D, E, [], _, _, [], G),
    ground_vars(F, H),
    append(G, H, I).
ai_observation_abstract_goal((A, E), B, C, G, D) :-
    !,
    ai_observation_abstract_goal(A, B, C, F, D),
    ai_observation_abstract_goal(E, B, F, G, D).
ai_observation_abstract_goal((B;F), C, [(D;G)|A], A, E) :-
    !,
    ai_observation_abstract_goal(B, C, D, [], E),
    ai_observation_abstract_goal(F, C, G, [], E).
ai_observation_abstract_goal((A->E), B, C, G, D) :-
    !,
    ai_observation_abstract_goal(A, B, C, F, D),
    ai_observation_abstract_goal(E, B, F, G, D).
ai_observation_abstract_goal(B, C, [D|A], A, _) :-
    ai_observation_abstract_constraint(B, C, D),
    !.
ai_observation_abstract_goal(true, _, A, A, _) :-
    !.
ai_observation_abstract_goal(writeln(_), _, A, A, _) :-
    !.
ai_observation_abstract_goal(B, _, A, A, D) :-
    builtin_binds_b(B, C),
    intersect_eq(C, D, []),
    !.
ai_observation_abstract_goal(_, _, [B|A], A, _) :-
    B=builtin.
ai_observation_is_observed(odom(_, B), A) :-
    \+ ord_memberchk(A, B).
unconditional_occurrence(A, B) :-
    get_occurrence(A, B, C, _),
    get_rule(C, D),
    D=pragma(E, _, _, _, _),
    copy_term_nat(E, F),
    F=rule(G, H, I, _),
    guard_entailment:entails_guard([chr_pp_headvariables(G, H)], I),
    once((   G=[J],
             H==[]
         ;   H=[J],
             G==[],
             \+ may_trigger(A)
         )),
    all_distinct_var_args(J).
partial_wake_args([], _, _, _).
partial_wake_args([B|E], [A|F], D, C) :-
    (   A\==(+)
    ->  (   nonvar(B)
        ->  no_partial_wake(C)
        ;   memberchk_eq(B, D)
        ->  no_partial_wake(C)
        ;   true
        )
    ;   true
    ),
    partial_wake_args(E, F, D, C).
generate_show_constraint(B, A, D, C) :-
    (   chr_pp_flag(show, on)
    ->  A=['$show'/0|B],
        generate_show_rules(B, C, [E|D]),
        inc_rule_count(F),
        E=pragma(rule(['$show'], [], true, true), ids([0], []), [], no, F)
    ;   A=B,
        C=D
    ).
generate_show_rules([], A, A).
generate_show_rules([A/B|F], [C|G], H) :-
    functor(D, A, B),
    inc_rule_count(E),
    C=pragma(rule([], ['$show', D], true, writeln(D)), ids([], [0, 1]), [passive(1)], no, E),
    generate_show_rules(F, G, H).
static_suspension_term(A/B, D) :-
    suspension_term_base(A/B, C),
    E is C+B,
    functor(D, suspension, E).
has_suspension_field(A, B) :-
    suspension_term_base_fields(A, C),
    memberchk(B, C).
suspension_term_base(A, C) :-
    suspension_term_base_fields(A, B),
    length(B, C).
suspension_term_base_fields(B, A) :-
    (   chr_pp_flag(debugable, on)
    ->  A=[id, state, history, generation, continuation, functor]
    ;   (   uses_history(B)
        ->  A=[id, state, history|C]
        ;   only_ground_indexed_arguments(B),
            get_functional_dependency(B, 1, _, _)
        ->  A=[state|C]
        ;   A=[id, state|C]
        ),
        (   only_ground_indexed_arguments(B)
        ->  get_store_type(B, D),
            basic_store_types(D, E),
            (   memberchk(global_ground, E)
            ->  C=[global_list_prev|F]
            ;   C=F
            ),
            (   chr_pp_flag(ht_removal, on)
            ->  ht_prev_fields(E, F)
            ;   F=[]
            )
        ;   may_trigger(B)
        ->  (   uses_field(B, generation)
            ->  C=[generation, global_list_prev|F]
            ;   C=[global_list_prev|F]
            ),
            (   chr_pp_flag(mixed_stores, on),
                chr_pp_flag(ht_removal, on)
            ->  get_store_type(B, D),
                basic_store_types(D, E),
                ht_prev_fields(E, F)
            ;   F=[]
            )
        ;   C=[global_list_prev|F],
            (   chr_pp_flag(mixed_stores, on),
                chr_pp_flag(ht_removal, on)
            ->  get_store_type(B, D),
                basic_store_types(D, E),
                ht_prev_fields(E, F)
            ;   F=[]
            )
        )
    ).
ht_prev_fields(A, C) :-
    ht_prev_fields_int(A, B),
    append(B, C).
ht_prev_fields_int([], []).
ht_prev_fields_int([A|F], C) :-
    (   A=multi_hash(B)
    ->  maplist(ht_prev_field, B, D),
        C=[D|E]
    ;   C=E
    ),
    ht_prev_fields_int(F, E).
ht_prev_field(A, B) :-
    atomic_list_concat(['multi_hash_prev-'|A], B).
get_static_suspension_term_field(C, A, E, F) :-
    suspension_term_base_fields(A, B),
    nth1(D, B, C),
    !,
    arg(D, E, F).
get_static_suspension_term_field(arguments, A, B, E) :-
    !,
    suspension_term_base(A, C),
    B=..[_|D],
    drop(C, D, E).
get_static_suspension_term_field(A, B, _, _) :-
    chr_error(internal,
              'Trying to obtain field ~w of ~w, wich does not have it!',
              [A, B]).
get_dynamic_suspension_term_field(C, A, F, G, D) :-
    suspension_term_base_fields(A, B),
    nth1(E, B, C),
    !,
    D=arg(E, F, G).
get_dynamic_suspension_term_field(arguments, A, E, C, D) :-
    !,
    static_suspension_term(A, B),
    get_static_suspension_term_field(arguments, A, B, C),
    D=(E=B).
get_dynamic_suspension_term_field(argument(B), A, F, G, D) :-
    !,
    suspension_term_base(A, C),
    E is B+C,
    D=arg(E, F, G).
get_dynamic_suspension_term_field(A, B, _, _, _) :-
    chr_error(internal,
              'Dynamic goal to get ~w of ~w, which does not have this field!',
              [A, B]).
set_dynamic_suspension_term_field(C, A, F, G, D) :-
    suspension_term_base_fields(A, B),
    nth1(E, B, C),
    !,
    D=setarg(E, F, G).
set_dynamic_suspension_term_field(A, B, _, _, _) :-
    chr_error(internal,
              'Dynamic goal to set ~w of ~w, which does not have this field!',
              [A, B]).
basic_store_types(multi_store(A), A) :-
    !.
basic_store_types(A, [A]).
generate_never_stored_rules(A, B) :-
    (   chr_pp_flag(declare_stored_constraints, on)
    ->  never_stored_rules(A, B)
    ;   B=[]
    ).
check_storedness_assertions(A) :-
    (   chr_pp_flag(storage_analysis, on),
        chr_pp_flag(declare_stored_constraints, on)
    ->  forall(B, A, check_storedness_assertion(B))
    ;   true
    ).
continuation_analysis(A) :-
    maplist(analyse_continuations, A).
analyse_continuations(A) :-
    continuation_analysis(A, 1),
    get_max_occurrence(A, B),
    C is B+1,
    bulk_propagation(A, 1, C),
    set_occurrence_code_id(A, 1, 0).
continuation_analysis(A, B) :-
    get_max_occurrence(A, C),
    (   B>C
    ->  true
    ;   B==C
    ->  D is B+1,
        continuation_occurrence(A, B, D)
    ;   constraint_continuation(A, B, C, D),
        continuation_occurrence(A, B, D),
        E is B+1,
        continuation_analysis(A, E)
    ).
constraint_continuation(A, B, D, E) :-
    (   get_occurrence_head(A, B, F)
    ->  C is B+1,
        (   between(C, D, E),
            get_occurrence_head(A, E, G),
            unifiable(F, G, _)
        ->  true
        ;   E is D+1
        )
    ;   E=D
    ).
get_occurrence_head(A, B, F) :-
    get_occurrence(A, B, C, D),
    \+ is_passive(C, D),
    get_rule(C, E),
    E=pragma(rule(H, J, _, _), ids(G, I), _, _, _),
    (   select2(D, F, G, H, _, _)
    ->  true
    ;   select2(D, F, I, J, _, _)
    ).
get_success_continuation_code_id(A, B, D) :-
    get_success_continuation_occurrence(A, B, C),
    get_occurrence_code_id(A, C, D).
collect_constants(_, F, E, A) :-
    (   not_restarted,
        chr_pp_flag(experiment, on)
    ->  (   chr_pp_flag(sss, on)
        ->  C=[fep/4-[2, 3]-[[a, b]-fep1, [c, d]-fep2]-no],
            copy_term_nat(A, B),
            flatten_clauses(B, C, D),
            install_new_declarations_and_restart(D)
        ;   maplist(collect_rule_constants(E), F),
            (   chr_pp_flag(verbose, on)
            ->  print_chr_constants
            ;   true
            ),
            (   chr_pp_flag(experiment, on)
            ->  flattening_dictionary(E, C),
                copy_term_nat(A, B),
                flatten_clauses(B, C, D),
                install_new_declarations_and_restart(D)
            ;   true
            )
        )
    ;   true
    ).
collect_rule_constants(D, A) :-
    A=ast_rule(B, _, _, C, _),
    collect_head_constants(B),
    collect_body_constants(C, D).
collect_head_constants(simplification(A)) :-
    maplist(collect_constraint_constants, A).
collect_head_constants(propagation(A)) :-
    maplist(collect_constraint_constants, A).
collect_head_constants(simpagation(A, B)) :-
    maplist(collect_constraint_constants, A),
    maplist(collect_constraint_constants, B).
collect_body_constants(B, A) :-
    maplist(collect_goal_constants(A), B).
collect_goal_constants(C, A) :-
    (   ast_nonvar(A)
    ->  ast_symbol(A, B),
        (   memberchk(B, C)
        ->  ast_term_to_term(A, E),
            ast_args(A, D),
            collect_constraint_constants(chr_constraint(B,
                                                        D,
                                                        E))
        ;   B==(:)/2,
            ast_args(A, [F, I]),
            F=atomic(G),
            get_target_module(H),
            G==H,
            ast_nonvar(I),
            ast_symbol(I, J),
            memberchk(J, C)
        ->  ast_term_to_term(I, L),
            ast_args(I, K),
            collect_constraint_constants(chr_constraint(J,
                                                        K,
                                                        L))
        ;   true
        )
    ;   true
    ).
collect_constraint_constants(A) :-
    A=chr_constraint(B, C, _),
    get_constraint_type_det(B, D),
    collect_all_arg_constants(C, D, []).
collect_all_arg_constants([], [], A) :-
    (   A\==[]
    ->  add_chr_constants(A)
    ;   true
    ).
collect_all_arg_constants([C|D], [A|E], H) :-
    unalias_type(A, B),
    (   is_chr_constants_type(B, F, _)
    ->  (   ast_ground(C)
        ->  ast_term_to_term(C, G),
            collect_all_arg_constants(D,
                                      E,
                                      [F-G|H])
        ;   true
        )
    ;   collect_all_arg_constants(D, E, H)
    ).
add_chr_constants(A) :-
    keysort(A, B),
    add_chr_constants_(B).
flattening_dictionary([], []).
flattening_dictionary([A|E], B) :-
    (   flattening_dictionary_entry(A, C)
    ->  B=[C|D]
    ;   B=D
    ),
    flattening_dictionary(E, D).
flattening_dictionary_entry(A, F) :-
    get_constraint_type_det(A, B),
    constant_positions(B, 1, C, D, G, M),
    (   C\==[]
    ->  pairup(D, J, E),
        keysort(E, H),
        F=A-C-L-G,
        get_chr_constants(I),
        findall(K,
                ( member(H, I),
                  flat_spec(A, C, J, K)
                ),
                L)
    ;   M==yes
    ->  enum_positions(B, 1, N, P, O),
        F=A-N-L-O,
        findall(K,
                ( cartesian_product(Q, P),
                  flat_spec(A, N, Q, K)
                ),
                L)
    ).
constant_positions([], _, [], [], no, no).
constant_positions([A|N], F, E, G, D, I) :-
    unalias_type(A, B),
    (   is_chr_constants_type(B, H, C)
    ->  compose_error_handlers(C, M, D),
        E=[F|K],
        G=[H|L],
        I=J
    ;   (   is_chr_enum_type(B, _, _)
        ->  I=yes
        ;   I=J
        ),
        K=E,
        L=G,
        M=D
    ),
    O is F+1,
    constant_positions(N, O, K, L, M, J).
compose_error_handlers(no, A, A).
compose_error_handlers(yes(A), _, yes(A)).
enum_positions([], _, [], [], no).
enum_positions([A|L], F, E, G, D) :-
    unalias_type(A, B),
    (   is_chr_enum_type(B, H, C)
    ->  compose_error_handlers(C, K, D),
        E=[F|I],
        G=[H|J]
    ;   E=I,
        G=J,
        D=K
    ),
    M is F+1,
    enum_positions(L, M, I, J, K).
cartesian_product([], []).
cartesian_product([A|C], [B|D]) :-
    member(A, B),
    cartesian_product(C, D).
flat_spec(D/E, C, B, A) :-
    A=B-H,
    term_to_atom(B, G),
    term_to_atom(C, F),
    atom_concat_list(['$flat_', D, /, E, '___', F, '___', G],
                     H).
restart_after_flattening(A, A) :-
    nb_setval('$chr_restart_after_flattening', started).
restart_after_flattening(_, A) :-
    nb_getval('$chr_restart_after_flattening', restart(A)),
    nb_setval('$chr_restart_after_flattening', restarted).
not_restarted :-
    nb_getval('$chr_restart_after_flattening', started).
install_new_declarations_and_restart(A) :-
    nb_setval('$chr_restart_after_flattening', restart(A)),
    fail.
flatten_clauses(A, B, H) :-
    flatten_readcontent(A,
                        C,
                        E,
                        F,
                        _,
                        G,
                        D),
    flatten_clauses_(B, C, D, E, F, G, H).
flatten_clauses_(A, E, F, D, B, C, K) :-
    auxiliary_constraints_declarations(A, B, C, G),
    dispatching_rules(A, H),
    declarations(D, A, B, C, I),
    flatten_rules(E, A, J),
    append([F, G, H, I, J], K).
declarations(B, C, D, E, H) :-
    findall(A,
            ( member(A, B),
              \+ memberchk(A-_-_-_, C)
            ),
            F),
    maplist(declaration(D, E), F, G),
    flatten(G, H).
declaration(E, H, A, [(:-chr_constraint A),  (:-chr_option(mode, B)),  (:-chr_option(type_declaration, G))]) :-
    A=C/D,
    functor(B, C, D),
    (   memberchk(B, E)
    ->  true
    ;   replicate(D, ?, F),
        B=..[_|F]
    ),
    functor(G, C, D),
    (   memberchk(G, H)
    ->  true
    ;   replicate(D, any, I),
        G=..[_|I]
    ).
flatten_readcontent([], [], [], [], [], [], []).
flatten_readcontent([A|H], B, C, D, F, E, G) :-
    (   A==end_of_file
    ->  B=[],
        C=[],
        D=[],
        E=[],
        F=[],
        G=[]
    ;   crude_is_rule(A)
    ->  B=[A|I],
        flatten_readcontent(H,
                            I,
                            C,
                            D,
                            F,
                            E,
                            G)
    ;   pure_is_declaration(A, J, K, L)
    ->  append(J, M, C),
        append(K, N, D),
        append(L, O, E),
        flatten_readcontent(H,
                            B,
                            M,
                            N,
                            F,
                            O,
                            G)
    ;   is_mode_declaration(A, P)
    ->  D=[P|N],
        flatten_readcontent(H,
                            B,
                            C,
                            N,
                            F,
                            E,
                            G)
    ;   is_type_declaration(A, Q)
    ->  E=[Q|O],
        flatten_readcontent(H,
                            B,
                            C,
                            D,
                            F,
                            O,
                            G)
    ;   is_type_definition(A, R)
    ->  G=[A|T],
        F=[R|S],
        flatten_readcontent(H,
                            B,
                            C,
                            D,
                            S,
                            E,
                            T)
    ;   (   A=(:-op(U, V, W))
        ->  op(U, V, W)
        ;   true
        ),
        G=[A|T],
        flatten_readcontent(H,
                            B,
                            C,
                            D,
                            F,
                            E,
                            T)
    ).
crude_is_rule(@(_, _)).
crude_is_rule(pragma(_, _)).
crude_is_rule(==>(_, _)).
crude_is_rule(<=>(_, _)).
pure_is_declaration(A, F, G, H) :-
    A=(:-B),
    B=..[C, D],
    C==(chr_constraint),
    conj2list(D, E),
    pure_extract_type_mode(E, F, G, H).
pure_extract_type_mode([], [], [], []).
pure_extract_type_mode([A/B|C], [A/B|D], E, F) :-
    !,
    pure_extract_type_mode(C, D, E, F).
pure_extract_type_mode([A|M], [B|N], [F|O], J) :-
    functor(A, C, D),
    B=C/D,
    A=..[_|E],
    extract_types_and_modes(E, H, G),
    F=..[C|G],
    (   forall(member(I, H), I==any)
    ->  J=K
    ;   J=[L|K],
        L=..[C|H]
    ),
    pure_extract_type_mode(M, N, O, K).
is_mode_declaration((:-chr_option(mode, A)), A).
is_type_declaration((:-chr_option(type_declaration, A)), A).
auxiliary_constraints_declarations(A, B, C, F) :-
    findall(D,
            auxiliary_constraints_declaration(A, B, C, D),
            E),
    flatten(E, F).
auxiliary_constraints_declaration(A, D, G, [(:-chr_constraint K),  (:-chr_option(mode, N)),  (:-chr_option(type_declaration, P))]) :-
    member(B/C-F-J-_, A),
    arg_modes(B, C, D, E),
    specialize_modes(E, F, O),
    arg_types(B, C, G, H),
    specialize_types(H, F, Q),
    length(F, I),
    M is C-I,
    member(_-L, J),
    K=L/M,
    N=..[L|O],
    P=..[L|Q].
arg_modes(A, B, D, E) :-
    functor(C, A, B),
    (   memberchk(C, D)
    ->  C=..[_|E]
    ;   replicate(B, ?, E)
    ).
specialize_modes(B, A, C) :-
    split_args(A, B, _, C).
arg_types(A, B, D, E) :-
    functor(C, A, B),
    (   memberchk(C, D)
    ->  C=..[_|E]
    ;   replicate(B, any, E)
    ).
specialize_types(B, A, C) :-
    split_args(A, B, _, C).
dispatching_rules([], []).
dispatching_rules([B-C-A-D|F], E) :-
    constraint_dispatching_rule(A,
                                B,
                                C,
                                D,
                                E,
                                G),
    dispatching_rules(F, G).
constraint_dispatching_rule(N, C/D, A, O, B, Q) :-
    (   increasing_numbers(A, 1)
    ->  L=B,
        M=C/D
    ;   functor(E, C, D),
        E=..[_|F],
        split_args(A, F, G, H),
        append(G, H, J),
        atom_concat(C, '_$shuffled', I),
        K=..[I|J],
        [(E:-K)|L]=B,
        M=I/D
    ),
    P=swap(C, A),
    dispatching_rule_term_cases(N,
                                A,
                                M,
                                O,
                                P,
                                L,
                                Q).
increasing_numbers([], _).
increasing_numbers([A|B], A) :-
    C is A+1,
    increasing_numbers(B, C).
dispatching_rule_term_cases(B, A, M/D, J, K, N, O) :-
    length(A, E),
    once(pairup(C, F, B)),
    maplist(head_tail, C, G, H),
    I is D-E,
    maplist(wrap_in_functor(dispatching_action), F, L),
    dispatch_trie_index(G,
                        H,
                        I,
                        J,
                        K,
                        L,
                        M,
                        N,
                        O).
dispatching_action(B, C, A) :-
    A=..[B|C].
dispatch_trie_index(A, C, D, E, F, G, B, H, I) :-
    dispatch_trie_step(A,
                       B,
                       B,
                       C,
                       D,
                       E,
                       F,
                       G,
                       H,
                       I).
dispatch_trie_step([], _, _, _, [], _, _, [], A, A) :-
    !.
dispatch_trie_step(C, N, O, A, J, K, L, M, P, Q) :-
    A=[B|_],
    length(B, G),
    aggregate_all(set(E/F),
                  (member(D, C), functor(D, E, F)),
                  H),
    I is G+1,
    dispatch_trie_step_cases(H,
                             I,
                             C,
                             A,
                             J,
                             K,
                             L,
                             M,
                             N,
                             O,
                             P,
                             Q).
dispatch_trie_step_cases([], E, _, _, F, A, J, _, H, _, B, C) :-
    (   A=yes(L)
    ->  B=[D|C],
        D=(G:-K),
        I is E+F,
        functor(G, H, I),
        reconstruct_original_term(J, G, M),
        K=..[L, M]
    ;   B=C
    ).
dispatch_trie_step_cases([A|L], B, C, D, E, F, G, H, I, J, K, N) :-
    dispatch_trie_step_case(A,
                            B,
                            C,
                            D,
                            E,
                            F,
                            G,
                            H,
                            I,
                            J,
                            K,
                            M),
    dispatch_trie_step_cases(L,
                             B,
                             C,
                             D,
                             E,
                             F,
                             G,
                             H,
                             I,
                             J,
                             M,
                             N).
dispatch_trie_step_case(L/M, D, S, X, E, B, N, T, G, I1, [A|Q], R) :-
    A=(F:-C, W),
    (   B=yes(_)
    ->  C=!
    ;   C=true
    ),
    H is D+E,
    functor(F, G, H),
    arg(1, F, K),
    F=..[_, _|J],
    length(I, E),
    once(append(D1, I, J)),
    functor(K, L, M),
    H1=index_functor(L, M, N),
    K=..[_|O],
    append(O, J, P),
    (   P==I
    ->  Q=R,
        rec_cases(S,
                  _,
                  T,
                  L/M,
                  _,
                  _,
                  U),
        U=[V],
        call(V, I, W)
    ;   rec_cases(S,
                  X,
                  T,
                  L/M,
                  Z,
                  Y,
                  U),
        (   U=[B1]
        ->  Y=[A1],
            append([Z, A1, I], P),
            Q=R,
            call(B1, I, W)
        ;   pairup(Z, Y, C1),
            common_pattern(C1, G1, J1, O1),
            append(O, D1, [E1|F1]),
            E1-F1=G1,
            S1=gct([E1|F1], H1),
            fresh_symbol(I1, K1),
            append(J1, I, L1),
            W=..[K1|L1],
            findall(M1-N1,
                    member([M1|N1], O1),
                    P1),
            once(pairup(Q1, R1, P1)),
            dispatch_trie_step(Q1,
                               K1,
                               I1,
                               R1,
                               E,
                               B,
                               S1,
                               U,
                               Q,
                               R)
        )
    ).
split([D|F], A, B, C, E) :-
    (   A==1
    ->  B=[],
        C=D,
        E=F
    ;   G is A-1,
        B=[D|H],
        split(F, G, H, C, E)
    ).
reconstruct_original_term(swap(C, E), A, B) :-
    functor(A, _, D),
    functor(B, C, D),
    B=..[_|F],
    split_args(E, F, G, H),
    A=..[_|I],
    append(G, H, I).
reconstruct_original_term(index_functor(D, B, I), A, K) :-
    A=..[F|C],
    split_at(B, C, E, H),
    G=..[D|E],
    J=..[F, G|H],
    reconstruct_original_term(I, J, K).
reconstruct_original_term(gct(A, I), C, K) :-
    copy_term_nat(A, B),
    term_variables(B, D),
    C=..[G|E],
    append(D, F, E),
    append(B, F, H),
    J=..[G|H],
    reconstruct_original_term(I, J, K).
flatten_rules(A, B, D) :-
    flatten_rules1(A, B, C),
    flatten(C, D).
flatten_rules1([], _, []).
flatten_rules1([A|E], B, [D|F]) :-
    findall(C, flatten_rule(A, B, C), D),
    flatten_rules1(E, B, F).
flatten_rule(@(A, B), C, @(A, D)) :-
    !,
    flatten_rule(B, C, D).
flatten_rule(pragma(B, A), C, pragma(D, A)) :-
    !,
    flatten_rule(B, C, D).
flatten_rule(==>(A, D), B, ==>(C, E)) :-
    !,
    flatten_heads(A, B, C),
    flatten_body(D, B, E).
flatten_rule(<=>(\(A, B), F), C, <=>(\(D, E), G)) :-
    !,
    flatten_heads((A, B), C,  (D, E)),
    flatten_body(F, C, G).
flatten_rule(<=>(A, D), B, <=>(C, E)) :-
    flatten_heads(A, B, C),
    flatten_body(D, B, E).
flatten_heads((A, D), B,  (C, E)) :-
    !,
    flatten_heads(A, B, C),
    flatten_heads(D, B, E).
flatten_heads(#(B, A), C, #(D, A)) :-
    !,
    flatten_heads(B, C, D).
flatten_heads(A, D, I) :-
    (   functor(A, B, C),
        memberchk(B/C-E-H-_, D)
    ->  A=..[_|F],
        split_args(E, F, G, K),
        member(G-J, H),
        I=..[J|K]
    ;   I=A
    ).
flatten_body((A| F), B,  (E| I)) :-
    !,
    conj2list(A, C),
    maplist(flatten_goal(B), C, D),
    list2conj(D, E),
    conj2list(F, G),
    maplist(flatten_goal(B), G, H),
    list2conj(H, I).
flatten_body(A, B, E) :-
    conj2list(A, C),
    maplist(flatten_goal(B), C, D),
    list2conj(D, E).
flatten_goal(_, A, B) :-
    var(A),
    !,
    B=A.
flatten_goal(B, A, D) :-
    (   is_specializable_goal(A, B, C)
    ->  specialize_goal(A, C, D)
    ;   A=E:G,
        get_target_module(F),
        E==F,
        nonvar(G),
        is_specializable_goal(G, B, C)
    ->  specialize_goal(G, C, H),
        D=E:H
    ;   partial_eval(A, D)
    ->  true
    ;   D=A
    ).
is_specializable_goal(A, E, D) :-
    functor(A, B, C),
    memberchk(B/C-D-_-_, E),
    args(D, A, F),
    ground(F).
specialize_goal(A, B, G) :-
    functor(A, D, E),
    A=..[_|C],
    split_args(B, C, F, I),
    flat_spec(D/E, B, F, _-H),
    G=..[H|I].
partial_eval(append(A, D, C), B) :-
    (   A==[]
    ->  B=(C=D)
    ;   D==[]
    ->  B=(C=A)
    ).
partial_eval(flatten_path(A, D), C) :-
    (   nonvar(A),
        flatten(A, B),
        B\==A
    ->  C=flatten_path(B, D)
    ).
dump_code(A) :-
    (   chr_pp_flag(dump, on)
    ->  maplist(portray_clause, A)
    ;   true
    ).
chr_banner :-
    chr_info(banner,
             '\tThe K.U.Leuven CHR System\n\t\tMain Developer:\tTom Schrijvers\n\t\tContributors:\tJon Sneyers, Bart Demoen, Jan Wielemaker\n\t\tCopyright:\tK.U.Leuven, Belgium\n\t\tURL:\t\thttp://www.cs.kuleuven.be/~~toms/CHR/\n',
             []).
chr_none_locked(C, B) :-
    chr_pp_flag(guard_locks, A),
    (   A==off
    ->  B=true
    ;   A==on
    ->  B='chr none_locked'(C)
    ;   A==error
    ->  B='chr none_error_locked'(C)
    ).
chr_not_locked(C, B) :-
    chr_pp_flag(guard_locks, A),
    (   A==off
    ->  B=true
    ;   A==on
    ->  B='chr not_locked'(C)
    ;   A==error
    ->  B='chr not_error_locked'(C)
    ).
chr_lock(C, B) :-
    chr_pp_flag(guard_locks, A),
    (   A==off
    ->  B=true
    ;   A==on
    ->  B='chr lock'(C)
    ;   A==error
    ->  B='chr error_lock'(C)
    ).
chr_unlock(C, B) :-
    chr_pp_flag(guard_locks, A),
    (   A==off
    ->  B=true
    ;   A==on
    ->  B='chr unlock'(C)
    ;   A==error
    ->  B='chr unerror_lock'(C)
    ).
term_to_ast_term(A, B, D, C) :-
    (   atomic(A)
    ->  B=atomic(A),
        C=D
    ;   compound(A)
    ->  functor(A, E, F),
        B=compound(E, F, H, A),
        A=..[_|G],
        maplist_dcg(chr_translate:term_to_ast_term,
                    G,
                    H,
                    D,
                    C)
    ;   var(A)
    ->  var_to_ast_term(A, D, B, C)
    ).
var_to_ast_term(C, A, D, E) :-
    A=B-F,
    (   lookup_eq(B, C, D)
    ->  E=A
    ;   D=var(F, C),
        H is F+1,
        G=[C-D|B],
        E=G-H
    ).
chr_constraint_to_ast_constraint(B, A, G, H) :-
    A=chr_constraint(C/D, F, B),
    functor(B, C, D),
    B=..[_|E],
    maplist_dcg(chr_translate:term_to_ast_term,
                E,
                F,
                G,
                H).
rule_to_ast_rule(B, A) :-
    A=ast_rule(F, O, C, Q, D),
    B=rule(E, G, C, D),
    I=[]-1,
    (   E==[]
    ->  F=propagation(H),
        maplist_dcg(chr_translate:chr_constraint_to_ast_constraint,
                    G,
                    H,
                    I,
                    J)
    ;   G==[]
    ->  F=simplification(H),
        maplist_dcg(chr_translate:chr_constraint_to_ast_constraint,
                    E,
                    H,
                    I,
                    J)
    ;   F=simpagation(K, L),
        maplist_dcg(chr_translate:chr_constraint_to_ast_constraint,
                    E,
                    K,
                    I,
                    M),
        maplist_dcg(chr_translate:chr_constraint_to_ast_constraint,
                    G,
                    L,
                    M,
                    J)
    ),
    conj2list(C, N),
    maplist_dcg(chr_translate:term_to_ast_term,
                N,
                O,
                J,
                R),
    conj2list(D, P),
    maplist_dcg(chr_translate:term_to_ast_term,
                P,
                Q,
                R,
                _).
pragma_rule_to_ast_rule(pragma(A, _, _, _, _), B) :-
    rule_to_ast_rule(A, B).
check_rule_to_ast_rule(A) :-
    (   rule_to_ast_rule(A, B)
    ->  writeln(B)
    ;   writeln(failed(rule_to_ast_rule(A, B)))
    ).
ast_term_to_term(var(_, A), A).
ast_term_to_term(atomic(A), A).
ast_term_to_term(compound(_, _, _, A), A).
ast_nonvar(atomic(_)).
ast_nonvar(compound(_, _, _, _)).
ast_ground(atomic(_)).
ast_ground(compound(_, _, A, _)) :-
    maplist(ast_ground, A).
ast_is_ground(B, A) :-
    ast_is_ground_(A, B).
ast_is_ground_(var(A, _), B) :-
    tree_set_memberchk(A, B).
ast_is_ground_(atomic(_), _).
ast_is_ground_(compound(_, _, B, _), A) :-
    maplist(ast_is_ground(A), B).
ast_functor(atomic(A), A, 0).
ast_functor(compound(A, B, _, _), A, B).
ast_symbol(atomic(A), A/0).
ast_symbol(compound(A, B, _, _), A/B).
ast_args(atomic(_), []).
ast_args(compound(_, _, A, _), A).
ast_term_variables(atomic(_), A, A).
ast_term_variables(compound(_, _, A, _), B, C) :-
    ast_term_list_variables(A, B, C).
ast_term_variables(var(B, _), A, C) :-
    tree_set_add(A, B, C).
ast_term_list_variables(A, B, C) :-
    fold(A, chr_translate:ast_term_variables, B, C).
ast_constraint_variables(chr_constraint(_, A, _), B, C) :-
    ast_term_list_variables(A, B, C).
ast_constraint_list_variables(A, B, C) :-
    fold(A, chr_translate:ast_constraint_variables, B, C).
ast_head_variables(simplification(A), B, C) :-
    ast_constraint_list_variables(A, B, C).
ast_head_variables(propagation(A), B, C) :-
    ast_constraint_list_variables(A, B, C).
ast_head_variables(simpagation(A, C), B, E) :-
    ast_constraint_list_variables(A, B, D),
    ast_constraint_list_variables(C, D, E).
ast_var_memberchk(var(A, _), B) :-
    tree_set_memberchk(A, B).
ast_instantiate(B, A, C) :-
    ast_instantiate_(A, B, C).
ast_instantiate_(var(A, _), B, C) :-
    get_assoc(A, B, C).
ast_instantiate_(atomic(A), _, A).
ast_instantiate_(compound(B, C, E, _), D, A) :-
    functor(A, B, C),
    A=..[_|F],
    maplist(ast_instantiate(D), E, F).
ast_head_arg_matches_([], [], A, B, [], A, B).
ast_head_arg_matches_([silent(B-_)|D], [A|E], F, C, H, I, J) :-
    !,
    (   A==(+)
    ->  ast_term_variables(B, G, C),
        ast_head_arg_matches_(D,
                              E,
                              F,
                              G,
                              H,
                              I,
                              J)
    ;   ast_head_arg_matches_(D,
                              E,
                              F,
                              C,
                              H,
                              I,
                              J)
    ).
ast_head_arg_matches_([A-G|L], [D|M], C, E, F, B1, C1) :-
    (   A=var(B, _)
    ->  (   get_assoc(B, C, H)
        ->  (   D=(+)
            ->  (   tree_set_memberchk(B, E)
                ->  F=[G=H|I],
                    J=E
                ;   F=[G==H|I],
                    tree_set_add(E, B, J)
                )
            ;   F=[G==H|I],
                J=E
            ),
            K=C
        ;   put_assoc(B, C, G, K),
            F=I,
            (   D=(+)
            ->  tree_set_add(E, B, J)
            ;   J=E
            )
        ),
        Q=L,
        R=M
    ;   ground(A),
        A='$chr_identifier_match'(O, N)
    ->  identifier_label_atom(N, G, O, P),
        F=[P|I],
        C=K,
        J=E,
        Q=L,
        R=M
    ;   A=atomic(S)
    ->  (   D=(+)
        ->  F=[G=S|I]
        ;   F=[G==S|I]
        ),
        C=K,
        J=E,
        Q=L,
        R=M
    ;   D==(+),
        ast_is_ground(E, A)
    ->  ast_instantiate(C, A, T),
        F=[G=T|I],
        C=K,
        J=E,
        Q=L,
        R=M
    ;   D==(?),
        ast_is_ground(E, A)
    ->  ast_instantiate(C, A, T),
        F=[G==T|I],
        C=K,
        J=E,
        Q=L,
        R=M
    ;   A=compound(U, V, X, _),
        functor(W, U, V),
        W=..[_|Y],
        (   D=(+)
        ->  F=[G=W|I]
        ;   F=[nonvar(G), G=W|I]
        ),
        pairup(X, Y, Z),
        append(Z, L, Q),
        replicate(_, D, A1),
        append(A1, M, R),
        K=C,
        J=E
    ),
    ast_head_arg_matches_(Q,
                          R,
                          K,
                          J,
                          I,
                          B1,
                          C1).
:- use_module(chr(chr_runtime)).
:- use_module(chr(chr_hashtable_store)).
attach_generate_empty_named_history_initialisation___1([], _).
attach_generate_empty_named_history_initialisation___1([A|Q], D) :-
    (   get_attr(A, chr_translate, B)
    ->  ( B=v(C, E, F, G, H, I, J, K, L, M, N),
          (   C/\1=:=1
          ->  O=v(C, [D|E], F, G, H, I, J, K, L, M, N)
          ;   P is C\/1,
              O=v(P, [D], F, G, H, I, J, K, L, M, N)
          )
        ),
        put_attr(A, chr_translate, O)
    ;   put_attr(A,
                 chr_translate,
                 v(1, [D], [], [], [], [], [], [], [], [], []))
    ),
    attach_generate_empty_named_history_initialisation___1(Q, D).
detach_generate_empty_named_history_initialisation___1([], _).
detach_generate_empty_named_history_initialisation___1([A|Q], E) :-
    (   get_attr(A, chr_translate, B)
    ->  B=v(C, D, H, I, J, K, L, M, N, O, P),
        (   C/\1=:=1
        ->  'chr sbag_del_element'(D, E, F),
            (   F==[]
            ->  G is C/\ -2,
                (   G==0
                ->  del_attr(A, chr_translate)
                ;   put_attr(A,
                             chr_translate,
                             v(G,
                               [],
                               H,
                               I,
                               J,
                               K,
                               L,
                               M,
                               N,
                               O,
                               P))
                )
            ;   put_attr(A,
                         chr_translate,
                         v(C,
                           F,
                           H,
                           I,
                           J,
                           K,
                           L,
                           M,
                           N,
                           O,
                           P))
            )
        ;   true
        )
    ;   true
    ),
    detach_generate_empty_named_history_initialisation___1(Q, E).
attach_symbol_count___2([], _).
attach_symbol_count___2([A|Q], E) :-
    (   get_attr(A, chr_translate, B)
    ->  ( B=v(C, D, F, G, H, I, J, K, L, M, N),
          (   C/\2=:=2
          ->  O=v(C, D, [E|F], G, H, I, J, K, L, M, N)
          ;   P is C\/2,
              O=v(P, D, [E], G, H, I, J, K, L, M, N)
          )
        ),
        put_attr(A, chr_translate, O)
    ;   put_attr(A,
                 chr_translate,
                 v(2, [], [E], [], [], [], [], [], [], [], []))
    ),
    attach_symbol_count___2(Q, E).
detach_symbol_count___2([], _).
detach_symbol_count___2([A|Q], E) :-
    (   get_attr(A, chr_translate, B)
    ->  B=v(C, H, D, I, J, K, L, M, N, O, P),
        (   C/\2=:=2
        ->  'chr sbag_del_element'(D, E, F),
            (   F==[]
            ->  G is C/\ -3,
                (   G==0
                ->  del_attr(A, chr_translate)
                ;   put_attr(A,
                             chr_translate,
                             v(G,
                               H,
                               [],
                               I,
                               J,
                               K,
                               L,
                               M,
                               N,
                               O,
                               P))
                )
            ;   put_attr(A,
                         chr_translate,
                         v(C,
                           H,
                           F,
                           I,
                           J,
                           K,
                           L,
                           M,
                           N,
                           O,
                           P))
            )
        ;   true
        )
    ;   true
    ),
    detach_symbol_count___2(Q, E).
attach_fresh_symbol___2([], _).
attach_fresh_symbol___2([A|Q], F) :-
    (   get_attr(A, chr_translate, B)
    ->  ( B=v(C, D, E, G, H, I, J, K, L, M, N),
          (   C/\4=:=4
          ->  O=v(C, D, E, [F|G], H, I, J, K, L, M, N)
          ;   P is C\/4,
              O=v(P, D, E, [F], H, I, J, K, L, M, N)
          )
        ),
        put_attr(A, chr_translate, O)
    ;   put_attr(A,
                 chr_translate,
                 v(4, [], [], [F], [], [], [], [], [], [], []))
    ),
    attach_fresh_symbol___2(Q, F).
detach_fresh_symbol___2([], _).
detach_fresh_symbol___2([A|Q], E) :-
    (   get_attr(A, chr_translate, B)
    ->  B=v(C, H, I, D, J, K, L, M, N, O, P),
        (   C/\4=:=4
        ->  'chr sbag_del_element'(D, E, F),
            (   F==[]
            ->  G is C/\ -5,
                (   G==0
                ->  del_attr(A, chr_translate)
                ;   put_attr(A,
                             chr_translate,
                             v(G,
                               H,
                               I,
                               [],
                               J,
                               K,
                               L,
                               M,
                               N,
                               O,
                               P))
                )
            ;   put_attr(A,
                         chr_translate,
                         v(C,
                           H,
                           I,
                           F,
                           J,
                           K,
                           L,
                           M,
                           N,
                           O,
                           P))
            )
        ;   true
        )
    ;   true
    ),
    detach_fresh_symbol___2(Q, E).
attach_background_info___2([], _).
attach_background_info___2([A|Q], G) :-
    (   get_attr(A, chr_translate, B)
    ->  ( B=v(C, D, E, F, H, I, J, K, L, M, N),
          (   C/\8=:=8
          ->  O=v(C, D, E, F, [G|H], I, J, K, L, M, N)
          ;   P is C\/8,
              O=v(P, D, E, F, [G], I, J, K, L, M, N)
          )
        ),
        put_attr(A, chr_translate, O)
    ;   put_attr(A,
                 chr_translate,
                 v(8, [], [], [], [G], [], [], [], [], [], []))
    ),
    attach_background_info___2(Q, G).
detach_background_info___2([], _).
detach_background_info___2([A|Q], E) :-
    (   get_attr(A, chr_translate, B)
    ->  B=v(C, H, I, J, D, K, L, M, N, O, P),
        (   C/\8=:=8
        ->  'chr sbag_del_element'(D, E, F),
            (   F==[]
            ->  G is C/\ -9,
                (   G==0
                ->  del_attr(A, chr_translate)
                ;   put_attr(A,
                             chr_translate,
                             v(G,
                               H,
                               I,
                               J,
                               [],
                               K,
                               L,
                               M,
                               N,
                               O,
                               P))
                )
            ;   put_attr(A,
                         chr_translate,
                         v(C,
                           H,
                           I,
                           J,
                           F,
                           K,
                           L,
                           M,
                           N,
                           O,
                           P))
            )
        ;   true
        )
    ;   true
    ),
    detach_background_info___2(Q, E).
attach_get_bg_info___2([], _).
attach_get_bg_info___2([A|Q], H) :-
    (   get_attr(A, chr_translate, B)
    ->  ( B=v(C, D, E, F, G, I, J, K, L, M, N),
          (   C/\16=:=16
          ->  O=v(C, D, E, F, G, [H|I], J, K, L, M, N)
          ;   P is C\/16,
              O=v(P, D, E, F, G, [H], J, K, L, M, N)
          )
        ),
        put_attr(A, chr_translate, O)
    ;   put_attr(A,
                 chr_translate,
                 v(16, [], [], [], [], [H], [], [], [], [], []))
    ),
    attach_get_bg_info___2(Q, H).
detach_get_bg_info___2([], _).
detach_get_bg_info___2([A|Q], E) :-
    (   get_attr(A, chr_translate, B)
    ->  B=v(C, H, I, J, K, D, L, M, N, O, P),
        (   C/\16=:=16
        ->  'chr sbag_del_element'(D, E, F),
            (   F==[]
            ->  G is C/\ -17,
                (   G==0
                ->  del_attr(A, chr_translate)
                ;   put_attr(A,
                             chr_translate,
                             v(G,
                               H,
                               I,
                               J,
                               K,
                               [],
                               L,
                               M,
                               N,
                               O,
                               P))
                )
            ;   put_attr(A,
                         chr_translate,
                         v(C,
                           H,
                           I,
                           J,
                           K,
                           F,
                           L,
                           M,
                           N,
                           O,
                           P))
            )
        ;   true
        )
    ;   true
    ),
    detach_get_bg_info___2(Q, E).
attach_type_definition___2([], _).
attach_type_definition___2([A|Q], I) :-
    (   get_attr(A, chr_translate, B)
    ->  ( B=v(C, D, E, F, G, H, J, K, L, M, N),
          (   C/\32=:=32
          ->  O=v(C, D, E, F, G, H, [I|J], K, L, M, N)
          ;   P is C\/32,
              O=v(P, D, E, F, G, H, [I], K, L, M, N)
          )
        ),
        put_attr(A, chr_translate, O)
    ;   put_attr(A,
                 chr_translate,
                 v(32, [], [], [], [], [], [I], [], [], [], []))
    ),
    attach_type_definition___2(Q, I).
detach_type_definition___2([], _).
detach_type_definition___2([A|Q], E) :-
    (   get_attr(A, chr_translate, B)
    ->  B=v(C, H, I, J, K, L, D, M, N, O, P),
        (   C/\32=:=32
        ->  'chr sbag_del_element'(D, E, F),
            (   F==[]
            ->  G is C/\ -33,
                (   G==0
                ->  del_attr(A, chr_translate)
                ;   put_attr(A,
                             chr_translate,
                             v(G,
                               H,
                               I,
                               J,
                               K,
                               L,
                               [],
                               M,
                               N,
                               O,
                               P))
                )
            ;   put_attr(A,
                         chr_translate,
                         v(C,
                           H,
                           I,
                           J,
                           K,
                           L,
                           F,
                           M,
                           N,
                           O,
                           P))
            )
        ;   true
        )
    ;   true
    ),
    detach_type_definition___2(Q, E).
attach_type_alias___2([], _).
attach_type_alias___2([A|Q], J) :-
    (   get_attr(A, chr_translate, B)
    ->  ( B=v(C, D, E, F, G, H, I, K, L, M, N),
          (   C/\64=:=64
          ->  O=v(C, D, E, F, G, H, I, [J|K], L, M, N)
          ;   P is C\/64,
              O=v(P, D, E, F, G, H, I, [J], L, M, N)
          )
        ),
        put_attr(A, chr_translate, O)
    ;   put_attr(A,
                 chr_translate,
                 v(64, [], [], [], [], [], [], [J], [], [], []))
    ),
    attach_type_alias___2(Q, J).
detach_type_alias___2([], _).
detach_type_alias___2([A|Q], E) :-
    (   get_attr(A, chr_translate, B)
    ->  B=v(C, H, I, J, K, L, M, D, N, O, P),
        (   C/\64=:=64
        ->  'chr sbag_del_element'(D, E, F),
            (   F==[]
            ->  G is C/\ -65,
                (   G==0
                ->  del_attr(A, chr_translate)
                ;   put_attr(A,
                             chr_translate,
                             v(G,
                               H,
                               I,
                               J,
                               K,
                               L,
                               M,
                               [],
                               N,
                               O,
                               P))
                )
            ;   put_attr(A,
                         chr_translate,
                         v(C,
                           H,
                           I,
                           J,
                           K,
                           L,
                           M,
                           F,
                           N,
                           O,
                           P))
            )
        ;   true
        )
    ;   true
    ),
    detach_type_alias___2(Q, E).
attach_unalias_type___2([], _).
attach_unalias_type___2([A|Q], K) :-
    (   get_attr(A, chr_translate, B)
    ->  ( B=v(C, D, E, F, G, H, I, J, L, M, N),
          (   C/\128=:=128
          ->  O=v(C, D, E, F, G, H, I, J, [K|L], M, N)
          ;   P is C\/128,
              O=v(P, D, E, F, G, H, I, J, [K], M, N)
          )
        ),
        put_attr(A, chr_translate, O)
    ;   put_attr(A,
                 chr_translate,
                 v(128, [], [], [], [], [], [], [], [K], [], []))
    ),
    attach_unalias_type___2(Q, K).
detach_unalias_type___2([], _).
detach_unalias_type___2([A|Q], E) :-
    (   get_attr(A, chr_translate, B)
    ->  B=v(C, H, I, J, K, L, M, N, D, O, P),
        (   C/\128=:=128
        ->  'chr sbag_del_element'(D, E, F),
            (   F==[]
            ->  G is C/\ -129,
                (   G==0
                ->  del_attr(A, chr_translate)
                ;   put_attr(A,
                             chr_translate,
                             v(G,
                               H,
                               I,
                               J,
                               K,
                               L,
                               M,
                               N,
                               [],
                               O,
                               P))
                )
            ;   put_attr(A,
                         chr_translate,
                         v(C,
                           H,
                           I,
                           J,
                           K,
                           L,
                           M,
                           N,
                           F,
                           O,
                           P))
            )
        ;   true
        )
    ;   true
    ),
    detach_unalias_type___2(Q, E).
attach_ast_static_type_check_var___4([], _).
attach_ast_static_type_check_var___4([A|Q], L) :-
    (   get_attr(A, chr_translate, B)
    ->  ( B=v(C, D, E, F, G, H, I, J, K, M, N),
          (   C/\256=:=256
          ->  O=v(C, D, E, F, G, H, I, J, K, [L|M], N)
          ;   P is C\/256,
              O=v(P, D, E, F, G, H, I, J, K, [L], N)
          )
        ),
        put_attr(A, chr_translate, O)
    ;   put_attr(A,
                 chr_translate,
                 v(256, [], [], [], [], [], [], [], [], [L], []))
    ),
    attach_ast_static_type_check_var___4(Q, L).
detach_ast_static_type_check_var___4([], _).
detach_ast_static_type_check_var___4([A|Q], E) :-
    (   get_attr(A, chr_translate, B)
    ->  B=v(C, H, I, J, K, L, M, N, O, D, P),
        (   C/\256=:=256
        ->  'chr sbag_del_element'(D, E, F),
            (   F==[]
            ->  G is C/\ -257,
                (   G==0
                ->  del_attr(A, chr_translate)
                ;   put_attr(A,
                             chr_translate,
                             v(G,
                               H,
                               I,
                               J,
                               K,
                               L,
                               M,
                               N,
                               O,
                               [],
                               P))
                )
            ;   put_attr(A,
                         chr_translate,
                         v(C,
                           H,
                           I,
                           J,
                           K,
                           L,
                           M,
                           N,
                           O,
                           F,
                           P))
            )
        ;   true
        )
    ;   true
    ),
    detach_ast_static_type_check_var___4(Q, E).
attach_atomic_type___1([], _).
attach_atomic_type___1([A|Q], M) :-
    (   get_attr(A, chr_translate, B)
    ->  ( B=v(C, D, E, F, G, H, I, J, K, L, N),
          (   C/\512=:=512
          ->  O=v(C, D, E, F, G, H, I, J, K, L, [M|N])
          ;   P is C\/512,
              O=v(P, D, E, F, G, H, I, J, K, L, [M])
          )
        ),
        put_attr(A, chr_translate, O)
    ;   put_attr(A,
                 chr_translate,
                 v(512, [], [], [], [], [], [], [], [], [], [M]))
    ),
    attach_atomic_type___1(Q, M).
detach_atomic_type___1([], _).
detach_atomic_type___1([A|Q], E) :-
    (   get_attr(A, chr_translate, B)
    ->  B=v(C, H, I, J, K, L, M, N, O, P, D),
        (   C/\512=:=512
        ->  'chr sbag_del_element'(D, E, F),
            (   F==[]
            ->  G is C/\ -513,
                (   G==0
                ->  del_attr(A, chr_translate)
                ;   put_attr(A,
                             chr_translate,
                             v(G,
                               H,
                               I,
                               J,
                               K,
                               L,
                               M,
                               N,
                               O,
                               P,
                               []))
                )
            ;   put_attr(A,
                         chr_translate,
                         v(C,
                           H,
                           I,
                           J,
                           K,
                           L,
                           M,
                           N,
                           O,
                           P,
                           F))
            )
        ;   true
        )
    ;   true
    ),
    detach_atomic_type___1(Q, E).
attach_increment([], _).
attach_increment([A|U1], B) :-
    (   get_attr(A, chr_translate, C)
    ->  ( B=v(H1, E, H, K, N, Q, T, W, Z, C1, F1),
          C=v(I1, D, G, J, M, P, S, V, Y, B1, E1),
          ( ( sort(D, F),
              'chr merge_attributes'(E, F, K1)
            ),
            ( sort(G, I),
              'chr merge_attributes'(H, I, L1)
            ),
            ( sort(J, L),
              'chr merge_attributes'(K, L, M1)
            ),
            ( sort(M, O),
              'chr merge_attributes'(N, O, N1)
            ),
            ( sort(P, R),
              'chr merge_attributes'(Q, R, O1)
            ),
            ( sort(S, U),
              'chr merge_attributes'(T, U, P1)
            ),
            ( sort(V, X),
              'chr merge_attributes'(W, X, Q1)
            ),
            ( sort(Y, A1),
              'chr merge_attributes'(Z, A1, R1)
            ),
            ( sort(B1, D1),
              'chr merge_attributes'(C1, D1, S1)
            ),
            sort(E1, G1),
            'chr merge_attributes'(F1, G1, T1)
          ),
          J1 is H1\/I1
        ),
        put_attr(A,
                 chr_translate,
                 v(J1,
                   K1,
                   L1,
                   M1,
                   N1,
                   O1,
                   P1,
                   Q1,
                   R1,
                   S1,
                   T1))
    ;   put_attr(A, chr_translate, B)
    ),
    attach_increment(U1, B).
attribute_goals(_, A, A).
attr_unify_hook(v(Q1, A, B, C, D, E, F, G, H, I, J), K) :-
    sort(A, N),
    sort(B, Q),
    sort(C, T),
    sort(D, W),
    sort(E, Z),
    sort(F, C1),
    sort(G, F1),
    sort(H, I1),
    sort(I, L1),
    sort(J, O1),
    (   var(K)
    ->  (   get_attr(K, chr_translate, L)
        ->  ( L=v(R1, M, P, S, V, Y, B1, E1, H1, K1, N1),
              ( ( sort(M, O),
                  'chr merge_attributes'(N, O, T1)
                ),
                ( sort(P, R),
                  'chr merge_attributes'(Q, R, U1)
                ),
                ( sort(S, U),
                  'chr merge_attributes'(T, U, V1)
                ),
                ( sort(V, X),
                  'chr merge_attributes'(W, X, W1)
                ),
                ( sort(Y, A1),
                  'chr merge_attributes'(Z, A1, X1)
                ),
                ( sort(B1, D1),
                  'chr merge_attributes'(C1, D1, Y1)
                ),
                ( sort(E1, G1),
                  'chr merge_attributes'(F1, G1, Z1)
                ),
                ( sort(H1, J1),
                  'chr merge_attributes'(I1, J1, A2)
                ),
                ( sort(K1, M1),
                  'chr merge_attributes'(L1, M1, B2)
                ),
                sort(N1, P1),
                'chr merge_attributes'(O1, P1, C2)
              ),
              S1 is Q1\/R1
            ),
            put_attr(K,
                     chr_translate,
                     v(S1,
                       T1,
                       U1,
                       V1,
                       W1,
                       X1,
                       Y1,
                       Z1,
                       A2,
                       B2,
                       C2)),
            '$run_suspensions_generate_empty_named_history_initialisation___1'(N),
            '$run_suspensions_symbol_count___2'(Q),
            '$run_suspensions_fresh_symbol___2'(T),
            '$run_suspensions_background_info___2'(W1),
            '$run_suspensions_get_bg_info___2'(X1),
            '$run_suspensions_type_definition___2'(Y1),
            '$run_suspensions_type_alias___2'(Z1),
            '$run_suspensions_unalias_type___2'(A2),
            '$run_suspensions_ast_static_type_check_var___4'(B2),
            '$run_suspensions_atomic_type___1'(C2)
        ;   put_attr(K,
                     chr_translate,
                     v(Q1,
                       N,
                       Q,
                       T,
                       W,
                       Z,
                       C1,
                       F1,
                       I1,
                       L1,
                       O1)),
            '$run_suspensions_generate_empty_named_history_initialisation___1'(N),
            '$run_suspensions_symbol_count___2'(Q),
            '$run_suspensions_fresh_symbol___2'(T),
            '$run_suspensions_background_info___2'(W),
            '$run_suspensions_get_bg_info___2'(Z),
            '$run_suspensions_type_definition___2'(C1),
            '$run_suspensions_type_alias___2'(F1),
            '$run_suspensions_unalias_type___2'(I1),
            '$run_suspensions_ast_static_type_check_var___4'(L1),
            '$run_suspensions_atomic_type___1'(O1)
        )
    ;   (   compound(K)
        ->  term_variables(K, D2),
            attach_increment(D2,
                             v(Q1,
                               N,
                               Q,
                               T,
                               W,
                               Z,
                               C1,
                               F1,
                               I1,
                               L1,
                               O1))
        ;   true
        ),
        '$run_suspensions_generate_empty_named_history_initialisation___1'(N),
        '$run_suspensions_symbol_count___2'(Q),
        '$run_suspensions_fresh_symbol___2'(T),
        '$run_suspensions_background_info___2'(W),
        '$run_suspensions_get_bg_info___2'(Z),
        '$run_suspensions_type_definition___2'(C1),
        '$run_suspensions_type_alias___2'(F1),
        '$run_suspensions_unalias_type___2'(I1),
        '$run_suspensions_ast_static_type_check_var___4'(L1),
        '$run_suspensions_atomic_type___1'(O1)
    ).
'$novel_production'(A, B) :-
    arg(3, A, C),
    (   hprolog:get_ds(B, C, _)
    ->  fail
    ;   true
    ).
'$extend_history'(A, B) :-
    arg(3, A, C),
    hprolog:put_ds(B, C, x, D),
    setarg(3, A, D).
'$run_suspensions_generate_empty_named_history_initialisation___1'([]).
'$run_suspensions_generate_empty_named_history_initialisation___1'([A|F]) :-
    A=suspension(_, B, C, _, E),
    (   B==active
    ->  setarg(2, A, triggered),
        ( D is C+1,
          setarg(3, A, D)
        ),
        generate_empty_named_history_initialisation___1__0(E, A),
        (   B==triggered
        ->  setarg(2, A, active)
        ;   true
        )
    ;   true
    ),
    '$run_suspensions_generate_empty_named_history_initialisation___1'(F).
'$run_suspensions_symbol_count___2'([]).
'$run_suspensions_symbol_count___2'([A|E]) :-
    A=suspension(_, B, _, C, D),
    (   B==active
    ->  setarg(2, A, triggered),
        symbol_count___2__0(C, D, A),
        (   B==triggered
        ->  setarg(2, A, active)
        ;   true
        )
    ;   true
    ),
    '$run_suspensions_symbol_count___2'(E).
'$run_suspensions_fresh_symbol___2'([]).
'$run_suspensions_fresh_symbol___2'([A|G]) :-
    A=suspension(_, B, _, C, _, E, F),
    (   B==active
    ->  setarg(2, A, triggered),
        ( D is C+1,
          setarg(4, A, D)
        ),
        fresh_symbol___2__0(E, F, A),
        (   B==triggered
        ->  setarg(2, A, active)
        ;   true
        )
    ;   true
    ),
    '$run_suspensions_fresh_symbol___2'(G).
'$run_suspensions_background_info___2'([]).
'$run_suspensions_background_info___2'([A|G]) :-
    A=suspension(_, F, _, B, _, D, E),
    setarg(2, A, triggered),
    C is B+1,
    setarg(4, A, C),
    background_info___2__0(D, E, A),
    (   F==triggered
    ->  setarg(2, A, active)
    ;   true
    ),
    '$run_suspensions_background_info___2'(G).
'$run_suspensions_get_bg_info___2'([]).
'$run_suspensions_get_bg_info___2'([A|G]) :-
    A=suspension(_, B, _, C, _, E, F),
    (   B==active
    ->  setarg(2, A, triggered),
        ( D is C+1,
          setarg(4, A, D)
        ),
        get_bg_info___2__0(E, F, A),
        (   B==triggered
        ->  setarg(2, A, active)
        ;   true
        )
    ;   true
    ),
    '$run_suspensions_get_bg_info___2'(G).
'$run_suspensions_type_definition___2'([]).
'$run_suspensions_type_definition___2'([A|G]) :-
    A=suspension(_, B, _, C, _, E, F),
    (   B==active
    ->  setarg(2, A, triggered),
        ( D is C+1,
          setarg(4, A, D)
        ),
        type_definition___2__0(E, F, A),
        (   B==triggered
        ->  setarg(2, A, active)
        ;   true
        )
    ;   true
    ),
    '$run_suspensions_type_definition___2'(G).
'$run_suspensions_type_alias___2'([]).
'$run_suspensions_type_alias___2'([A|G]) :-
    A=suspension(_, B, _, C, _, E, F),
    (   B==active
    ->  setarg(2, A, triggered),
        ( D is C+1,
          setarg(4, A, D)
        ),
        type_alias___2__0(E, F, A),
        (   B==triggered
        ->  setarg(2, A, active)
        ;   true
        )
    ;   true
    ),
    '$run_suspensions_type_alias___2'(G).
'$run_suspensions_unalias_type___2'([]).
'$run_suspensions_unalias_type___2'([A|E]) :-
    A=suspension(_, B, _, C, D),
    (   B==active
    ->  setarg(2, A, triggered),
        unalias_type___2__0(C, D, A),
        (   B==triggered
        ->  setarg(2, A, active)
        ;   true
        )
    ;   true
    ),
    '$run_suspensions_unalias_type___2'(E).
'$run_suspensions_ast_static_type_check_var___4'([]).
'$run_suspensions_ast_static_type_check_var___4'([A|G]) :-
    A=suspension(_, B, _, C, D, E, F),
    (   B==active
    ->  setarg(2, A, triggered),
        ast_static_type_check_var___4__0(C,
                                         D,
                                         E,
                                         F,
                                         A),
        (   B==triggered
        ->  setarg(2, A, active)
        ;   true
        )
    ;   true
    ),
    '$run_suspensions_ast_static_type_check_var___4'(G).
'$run_suspensions_atomic_type___1'([]).
'$run_suspensions_atomic_type___1'([A|D]) :-
    A=suspension(_, B, _, C),
    (   B==active
    ->  setarg(2, A, triggered),
        atomic_type___1__0(C, A),
        (   B==triggered
        ->  setarg(2, A, active)
        ;   true
        )
    ;   true
    ),
    '$run_suspensions_atomic_type___1'(D).
'$enumerate_constraints'(A) :-
    (   nonvar(A)
    ->  functor(A, B, _),
        '$enumerate_constraints'(B, A)
    ;   '$enumerate_constraints'(_, A)
    ).
'$enumerate_constraints'(chr_source_file, C) :-
    nb_getval('$chr_store_global_ground_chr_translate____chr_source_file___1',
              A),
    member(B, A),
    B=suspension(_, _, _, D),
    C=chr_source_file(D).
'$enumerate_constraints'(target_module, C) :-
    nb_getval('$chr_store_global_ground_chr_translate____target_module___1',
              A),
    member(B, A),
    B=suspension(_, _, _, D),
    C=target_module(D).
'$enumerate_constraints'(source_location, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____source_location___2-1',
              A),
    value_ht(A, B),
    B=suspension(_, _, D, E),
    C=source_location(D, E).
'$enumerate_constraints'(indexed_argument, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____indexed_argument___2-1',
              A),
    value_ht(A, B),
    B=suspension(_, _, D, E),
    C=indexed_argument(D, E).
'$enumerate_constraints'(constraint_mode, C) :-
    nb_getval('$chr_store_global_ground_chr_translate____constraint_mode___2',
              A),
    member(B, A),
    B=suspension(_, _, _, _, D, E),
    C=constraint_mode(D, E).
'$enumerate_constraints'(none_suspended_on_variables, C) :-
    nb_getval('$chr_store_global_ground_chr_translate____none_suspended_on_variables___0',
              A),
    member(B, A),
    B=suspension(_, _, _),
    C=none_suspended_on_variables.
'$enumerate_constraints'(store_type, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____store_type___2-1', A),
    value_ht(A, B),
    B=suspension(_, _, D, E),
    C=store_type(D, E).
'$enumerate_constraints'(actual_store_types, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____actual_store_types___2-1',
              A),
    value_ht(A, B),
    B=suspension(_, _, D, E),
    C=actual_store_types(D, E).
'$enumerate_constraints'(assumed_store_type, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____assumed_store_type___2-1',
              A),
    value_ht(A, B),
    B=suspension(_, _, D, E),
    C=assumed_store_type(D, E).
'$enumerate_constraints'(validate_store_type_assumption, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____validate_store_type_assumption___1-1',
              A),
    value_ht(A, B),
    B=suspension(_, _, D),
    C=validate_store_type_assumption(D).
'$enumerate_constraints'(rule_count, C) :-
    nb_getval('$chr_store_global_ground_chr_translate____rule_count___1',
              A),
    member(B, A),
    B=suspension(_, _, _, D),
    C=rule_count(D).
'$enumerate_constraints'(passive, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____passive___2-1', A),
    value_ht(A, B),
    B=suspension(_, _, _, D, E),
    C=passive(D, E).
'$enumerate_constraints'(occurrence, C) :-
    nb_getval('$chr_store_global_ground_chr_translate____occurrence___5',
              A),
    member(B, A),
    B=suspension(_, _, _, _, D, E, F, G, H),
    C=occurrence(D, E, F, G, H).
'$enumerate_constraints'(max_occurrence, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____max_occurrence___2-1',
              A),
    value_ht(A, B),
    B=suspension(_, _, _, D, E),
    C=max_occurrence(D, E).
'$enumerate_constraints'(allocation_occurrence, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____allocation_occurrence___2-1',
              A),
    value_ht(A, B),
    B=suspension(_, _, _, D, E),
    C=allocation_occurrence(D, E).
'$enumerate_constraints'(rule, C) :-
    nb_getval('$chr_store_global_ground_chr_translate____rule___2', A),
    member(B, A),
    B=suspension(_, _, _, _, D, E),
    C=rule(D, E).
'$enumerate_constraints'(least_occurrence, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____least_occurrence___2-12',
              A),
    value_ht(A, B),
    B=suspension(_, _, D, E),
    C=least_occurrence(D, E).
'$enumerate_constraints'(constraint_index, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____constraint_index___2-2',
              A),
    value_ht(A, B),
    B=suspension(_, _, D, E),
    C=constraint_index(D, E).
'$enumerate_constraints'(max_constraint_index, C) :-
    nb_getval('$chr_store_global_ground_chr_translate____max_constraint_index___1',
              A),
    member(B, A),
    B=suspension(_, _, _, D),
    C=max_constraint_index(D).
'$enumerate_constraints'(identifier_size, C) :-
    nb_getval('$chr_store_global_ground_chr_translate____identifier_size___1',
              A),
    member(B, A),
    B=suspension(_, _, _, D),
    C=identifier_size(D).
'$enumerate_constraints'(identifier_index, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____identifier_index___3-12',
              A),
    value_ht(A, B),
    B=suspension(_, _, D, E, F),
    C=identifier_index(D, E, F).
'$enumerate_constraints'(type_indexed_identifier_size, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____type_indexed_identifier_size___2-1',
              A),
    value_ht(A, B),
    B=suspension(_, _, D, E),
    C=type_indexed_identifier_size(D, E).
'$enumerate_constraints'(type_indexed_identifier_index, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____type_indexed_identifier_index___4-123',
              A),
    value_ht(A, B),
    B=suspension(_, _, D, E, F, G),
    C=type_indexed_identifier_index(D, E, F, G).
'$enumerate_constraints'(no_history, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____no_history___1-1', A),
    value_ht(A, B),
    B=suspension(_, _, D),
    C=no_history(D).
'$enumerate_constraints'(history, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____history___3-2', A),
    value_ht(A, B),
    B=suspension(_, _, _, D, E, F),
    C=history(D, E, F).
'$enumerate_constraints'(indexing_spec, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____indexing_spec___2-1',
              A),
    value_ht(A, B),
    B=suspension(_, _, D, E),
    C=indexing_spec(D, E).
'$enumerate_constraints'(observation_analysis, C) :-
    nb_getval('$chr_store_global_ground_chr_translate____observation_analysis___1',
              A),
    member(B, A),
    B=suspension(_, _, _, D),
    C=observation_analysis(D).
'$enumerate_constraints'(spawns, C) :-
    nb_getval('$chr_store_global_ground_chr_translate____spawns___3', A),
    member(B, A),
    B=suspension(_, _, _, _, D, E, F),
    C=spawns(D, E, F).
'$enumerate_constraints'(spawns_all, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____spawns_all___2-1', A),
    value_ht(A, B),
    B=suspension(_, _, D, E),
    C=spawns_all(D, E).
'$enumerate_constraints'(spawns_all_triggers, C) :-
    nb_getval('$chr_store_global_ground_chr_translate____spawns_all_triggers___2',
              A),
    member(B, A),
    B=suspension(_, _, _, _, D, E),
    C=spawns_all_triggers(D, E).
'$enumerate_constraints'(spawns_all_triggers_implies_spawns_all, C) :-
    nb_getval('$chr_store_global_ground_chr_translate____spawns_all_triggers_implies_spawns_all___0',
              A),
    member(B, A),
    B=suspension(_, _, _),
    C=spawns_all_triggers_implies_spawns_all.
'$enumerate_constraints'(empty_named_history_initialisations, C) :-
    nb_getval('$chr_store_global_ground_chr_translate____empty_named_history_initialisations___2',
              A),
    member(B, A),
    B=suspension(_, _, _, D, E),
    C=empty_named_history_initialisations(D, E).
'$enumerate_constraints'(generate_empty_named_history_initialisation, C) :-
    nb_current('$chr_store_global_list_chr_translate____generate_empty_named_history_initialisation___1',
               A),
    member(B, A),
    B=suspension(_, _, _, _, D),
    C=generate_empty_named_history_initialisation(D).
'$enumerate_constraints'(find_empty_named_histories, C) :-
    nb_getval('$chr_store_global_ground_chr_translate____find_empty_named_histories___0',
              A),
    member(B, A),
    B=suspension(_, _, _, _),
    C=find_empty_named_histories.
'$enumerate_constraints'(module_initializer, C) :-
    nb_getval('$chr_store_global_ground_chr_translate____module_initializer___1',
              A),
    member(B, A),
    B=suspension(_, _, _, D),
    C=module_initializer(D).
'$enumerate_constraints'(actual_atomic_multi_hash_keys, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____actual_atomic_multi_hash_keys___3-12',
              A),
    value_ht(A, B),
    B=suspension(_, _, D, E, F),
    C=actual_atomic_multi_hash_keys(D, E, F).
'$enumerate_constraints'(actual_ground_multi_hash_keys, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____actual_ground_multi_hash_keys___3-12',
              A),
    value_ht(A, B),
    B=suspension(_, _, D, E, F),
    C=actual_ground_multi_hash_keys(D, E, F).
'$enumerate_constraints'(actual_non_ground_multi_hash_key, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____actual_non_ground_multi_hash_key___2-12',
              A),
    value_ht(A, B),
    B=suspension(_, _, D, E),
    C=actual_non_ground_multi_hash_key(D, E).
'$enumerate_constraints'(symbol_count, C) :-
    nb_current('$chr_store_global_list_chr_translate____symbol_count___2',
               A),
    member(B, A),
    B=suspension(_, _, _, D, E),
    C=symbol_count(D, E).
'$enumerate_constraints'(fresh_symbol, C) :-
    nb_current('$chr_store_global_list_chr_translate____fresh_symbol___2',
               A),
    member(B, A),
    B=suspension(_, _, _, _, _, D, E),
    C=fresh_symbol(D, E).
'$enumerate_constraints'(prolog_global_variable, C) :-
    nb_getval('$chr_store_global_ground_chr_translate____prolog_global_variable___1',
              A),
    member(B, A),
    B=suspension(_, _, _, D),
    C=prolog_global_variable(D).
'$enumerate_constraints'(background_info, C) :-
    nb_getval('$chr_store_global_ground_chr_translate____background_info___1',
              A),
    member(B, A),
    B=suspension(_, _, _, D),
    C=background_info(D).
'$enumerate_constraints'(background_info, C) :-
    nb_current('$chr_store_global_list_chr_translate____background_info___2',
               A),
    member(B, A),
    B=suspension(_, _, _, _, _, D, E),
    C=background_info(D, E).
'$enumerate_constraints'(get_bg_info, C) :-
    nb_current('$chr_store_global_list_chr_translate____get_bg_info___2',
               A),
    member(B, A),
    B=suspension(_, _, _, _, _, D, E),
    C=get_bg_info(D, E).
'$enumerate_constraints'(get_bg_info_answer, C) :-
    nb_getval('$chr_store_global_ground_chr_translate____get_bg_info_answer___1',
              A),
    member(B, A),
    B=suspension(_, _, _, D),
    C=get_bg_info_answer(D).
'$enumerate_constraints'(prev_guard_list, C) :-
    nb_getval('$chr_store_global_ground_chr_translate____prev_guard_list___6',
              A),
    member(B, A),
    B=suspension(_, _, _, _, D, E, F, G, H, I),
    C=prev_guard_list(D, E, F, G, H, I).
'$enumerate_constraints'(set_all_passive, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____set_all_passive___1-1',
              A),
    value_ht(A, B),
    B=suspension(_, _, _, D),
    C=set_all_passive(D).
'$enumerate_constraints'(precompute_head_matchings, C) :-
    nb_getval('$chr_store_global_ground_chr_translate____precompute_head_matchings___0',
              A),
    member(B, A),
    B=suspension(_, _, _, _),
    C=precompute_head_matchings.
'$enumerate_constraints'(make_head_matchings_explicit_memo_table, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____make_head_matchings_explicit_memo_table___3-1',
              A),
    value_ht(A, B),
    B=suspension(_, _, D, E, F),
    C=make_head_matchings_explicit_memo_table(D, E, F).
'$enumerate_constraints'(multiple_occ_constraints_checked, C) :-
    nb_getval('$chr_store_global_ground_chr_translate____multiple_occ_constraints_checked___1',
              A),
    member(B, A),
    B=suspension(_, _, _, D),
    C=multiple_occ_constraints_checked(D).
'$enumerate_constraints'(type_definition, C) :-
    nb_current('$chr_store_global_list_chr_translate____type_definition___2',
               A),
    member(B, A),
    B=suspension(_, _, _, _, _, D, E),
    C=type_definition(D, E).
'$enumerate_constraints'(type_alias, C) :-
    nb_current('$chr_store_global_list_chr_translate____type_alias___2', A),
    member(B, A),
    B=suspension(_, _, _, _, _, D, E),
    C=type_alias(D, E).
'$enumerate_constraints'(constraint_type, C) :-
    nb_getval('$chr_store_global_ground_chr_translate____constraint_type___2',
              A),
    member(B, A),
    B=suspension(_, _, _, D, E),
    C=constraint_type(D, E).
'$enumerate_constraints'(unalias_type, C) :-
    nb_current('$chr_store_global_list_chr_translate____unalias_type___2',
               A),
    member(B, A),
    B=suspension(_, _, _, D, E),
    C=unalias_type(D, E).
'$enumerate_constraints'(types_modes_condition, C) :-
    nb_getval('$chr_store_global_ground_chr_translate____types_modes_condition___3',
              A),
    member(B, A),
    B=suspension(_, _, _, D, E, F),
    C=types_modes_condition(D, E, F).
'$enumerate_constraints'(static_type_check, C) :-
    nb_getval('$chr_store_global_ground_chr_translate____static_type_check___2',
              A),
    member(B, A),
    B=suspension(_, _, _, D, E),
    C=static_type_check(D, E).
'$enumerate_constraints'(ast_static_type_check_var, C) :-
    nb_current('$chr_store_global_list_chr_translate____ast_static_type_check_var___4',
               A),
    member(B, A),
    B=suspension(_, _, _, D, E, F, G),
    C=ast_static_type_check_var(D, E, F, G).
'$enumerate_constraints'(ast_static_atomic_builtin_type_check_var, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____ast_static_atomic_builtin_type_check_var___4-1',
              A),
    value_ht(A, B),
    B=suspension(_, _, D, E, F, G),
    C=ast_static_atomic_builtin_type_check_var(D, E, F, G).
'$enumerate_constraints'(dynamic_type_check, C) :-
    nb_getval('$chr_store_global_ground_chr_translate____dynamic_type_check___0',
              A),
    member(B, A),
    B=suspension(_, _, _, _),
    C=dynamic_type_check.
'$enumerate_constraints'(dynamic_type_check_clauses, C) :-
    nb_getval('$chr_store_global_ground_chr_translate____dynamic_type_check_clauses___1',
              A),
    member(B, A),
    B=suspension(_, _, _, D),
    C=dynamic_type_check_clauses(D).
'$enumerate_constraints'(atomic_type, C) :-
    nb_current('$chr_store_global_list_chr_translate____atomic_type___1',
               A),
    member(B, A),
    B=suspension(_, _, _, D),
    C=atomic_type(D).
'$enumerate_constraints'(stored, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____stored___3-13', A),
    value_ht(A, B),
    B=suspension(_, _, D, E, F),
    C=stored(D, E, F).
'$enumerate_constraints'(stored_complete, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____stored_complete___3-13',
              A),
    value_ht(A, B),
    B=suspension(_, _, _, D, E, F),
    C=stored_complete(D, E, F).
'$enumerate_constraints'(check_all_passive, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____check_all_passive___2-12',
              A),
    value_ht(A, B),
    B=suspension(_, _, D, E),
    C=check_all_passive(D, E).
'$enumerate_constraints'(constraints_code1, C) :-
    nb_getval('$chr_store_global_ground_chr_translate____constraints_code1___3',
              A),
    member(B, A),
    B=suspension(_, _, _, D, E, F),
    C=constraints_code1(D, E, F).
'$enumerate_constraints'(memo_has_active_occurrence, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____memo_has_active_occurrence___1-1',
              A),
    value_ht(A, B),
    B=suspension(_, _, D),
    C=memo_has_active_occurrence(D).
'$enumerate_constraints'(use_auxiliary_predicate, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____use_auxiliary_predicate___1-1',
              A),
    value_ht(A, B),
    B=suspension(_, _, D),
    C=use_auxiliary_predicate(D).
'$enumerate_constraints'(use_auxiliary_predicate, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____use_auxiliary_predicate___2-1',
              A),
    value_ht(A, B),
    B=suspension(_, _, D, E),
    C=use_auxiliary_predicate(D, E).
'$enumerate_constraints'(use_auxiliary_module, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____use_auxiliary_module___1-1',
              A),
    value_ht(A, B),
    B=suspension(_, _, D),
    C=use_auxiliary_module(D).
'$enumerate_constraints'(functional_dependency, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____functional_dependency___4-1',
              A),
    value_ht(A, B),
    B=suspension(_, _, D, E, F, G),
    C=functional_dependency(D, E, F, G).
'$enumerate_constraints'(initial_call_pattern, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____initial_call_pattern___1-1',
              A),
    value_ht(A, B),
    B=suspension(_, _, _, D),
    C=initial_call_pattern(D).
'$enumerate_constraints'(call_pattern, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____call_pattern___1-1',
              A),
    value_ht(A, B),
    B=suspension(_, _, D),
    C=call_pattern(D).
'$enumerate_constraints'(final_answer_pattern, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____final_answer_pattern___2-1',
              A),
    value_ht(A, B),
    B=suspension(_, _, _, D, E),
    C=final_answer_pattern(D, E).
'$enumerate_constraints'(abstract_constraints, C) :-
    nb_getval('$chr_store_global_ground_chr_translate____abstract_constraints___1',
              A),
    member(B, A),
    B=suspension(_, _, _, D),
    C=abstract_constraints(D).
'$enumerate_constraints'(depends_on, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____depends_on___2-1', A),
    value_ht(A, B),
    B=suspension(_, _, _, D, E),
    C=depends_on(D, E).
'$enumerate_constraints'(depends_on_ap, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____depends_on_ap___4-2',
              A),
    value_ht(A, B),
    B=suspension(_, _, _, D, E, F, G),
    C=depends_on_ap(D, E, F, G).
'$enumerate_constraints'(depends_on_goal, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____depends_on_goal___2-2',
              A),
    value_ht(A, B),
    B=suspension(_, _, _, D, E),
    C=depends_on_goal(D, E).
'$enumerate_constraints'(ai_observed_internal, C) :-
    nb_getval('$chr_store_global_ground_chr_translate____ai_observed_internal___2',
              A),
    member(B, A),
    B=suspension(_, _, _, D, E),
    C=ai_observed_internal(D, E).
'$enumerate_constraints'(ai_not_observed_internal, C) :-
    nb_getval('$chr_store_global_ground_chr_translate____ai_not_observed_internal___2',
              A),
    member(B, A),
    B=suspension(_, _, _, D, E),
    C=ai_not_observed_internal(D, E).
'$enumerate_constraints'(ai_not_observed, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____ai_not_observed___2-12',
              A),
    value_ht(A, B),
    B=suspension(_, _, D, E),
    C=ai_not_observed(D, E).
'$enumerate_constraints'(depends_on_as, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____depends_on_as___3-3',
              A),
    value_ht(A, B),
    B=suspension(_, _, _, D, E, F),
    C=depends_on_as(D, E, F).
'$enumerate_constraints'(ai_observation_gather_results, C) :-
    nb_getval('$chr_store_global_ground_chr_translate____ai_observation_gather_results___0',
              A),
    member(B, A),
    B=suspension(_, _, _),
    C=ai_observation_gather_results.
'$enumerate_constraints'(ai_observation_memoed_simplification_rest_heads, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____ai_observation_memoed_simplification_rest_heads___3-12',
              A),
    value_ht(A, B),
    B=suspension(_, _, D, E, F),
    C=ai_observation_memoed_simplification_rest_heads(D, E, F).
'$enumerate_constraints'(ai_observation_memoed_propagation_rest_heads, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____ai_observation_memoed_propagation_rest_heads___3-12',
              A),
    value_ht(A, B),
    B=suspension(_, _, D, E, F),
    C=ai_observation_memoed_propagation_rest_heads(D, E, F).
'$enumerate_constraints'(ai_observation_memoed_abstract_goal, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____ai_observation_memoed_abstract_goal___2-1',
              A),
    value_ht(A, B),
    B=suspension(_, _, D, E),
    C=ai_observation_memoed_abstract_goal(D, E).
'$enumerate_constraints'(ai_observation_memo_abstract_goal, C) :-
    nb_getval('$chr_store_global_ground_chr_translate____ai_observation_memo_abstract_goal___2',
              A),
    member(B, A),
    B=suspension(_, _, _, D, E),
    C=ai_observation_memo_abstract_goal(D, E).
'$enumerate_constraints'(partial_wake_analysis, C) :-
    nb_getval('$chr_store_global_ground_chr_translate____partial_wake_analysis___0',
              A),
    member(B, A),
    B=suspension(_, _, _, _),
    C=partial_wake_analysis.
'$enumerate_constraints'(no_partial_wake, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____no_partial_wake___1-1',
              A),
    value_ht(A, B),
    B=suspension(_, _, D),
    C=no_partial_wake(D).
'$enumerate_constraints'(phase_end, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____phase_end___1-1', A),
    value_ht(A, B),
    B=suspension(_, _, D),
    C=phase_end(D).
'$enumerate_constraints'(delay_phase_end, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____delay_phase_end___2-1',
              A),
    value_ht(A, B),
    B=suspension(_, _, D, E),
    C=delay_phase_end(D, E).
'$enumerate_constraints'(does_use_history, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____does_use_history___2-1',
              A),
    value_ht(A, B),
    B=suspension(_, _, D, E),
    C=does_use_history(D, E).
'$enumerate_constraints'(does_use_field, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____does_use_field___2-12',
              A),
    value_ht(A, B),
    B=suspension(_, _, D, E),
    C=does_use_field(D, E).
'$enumerate_constraints'(uses_state, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____uses_state___2-12',
              A),
    value_ht(A, B),
    B=suspension(_, _, D, E),
    C=uses_state(D, E).
'$enumerate_constraints'(if_used_state, C) :-
    nb_getval('$chr_store_global_ground_chr_translate____if_used_state___5',
              A),
    member(B, A),
    B=suspension(_, _, _, D, E, F, G, H),
    C=if_used_state(D, E, F, G, H).
'$enumerate_constraints'(used_states_known, C) :-
    nb_getval('$chr_store_global_ground_chr_translate____used_states_known___0',
              A),
    member(B, A),
    B=suspension(_, _, _),
    C=used_states_known.
'$enumerate_constraints'(stored_assertion, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____stored_assertion___1-1',
              A),
    value_ht(A, B),
    B=suspension(_, _, D),
    C=stored_assertion(D).
'$enumerate_constraints'(never_stored_default, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____never_stored_default___2-1',
              A),
    value_ht(A, B),
    B=suspension(_, _, D, E),
    C=never_stored_default(D, E).
'$enumerate_constraints'(never_stored_rules, C) :-
    nb_getval('$chr_store_global_ground_chr_translate____never_stored_rules___2',
              A),
    member(B, A),
    B=suspension(_, _, _, D, E),
    C=never_stored_rules(D, E).
'$enumerate_constraints'(continuation_occurrence, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____continuation_occurrence___3-12',
              A),
    value_ht(A, B),
    B=suspension(_, _, D, E, F),
    C=continuation_occurrence(D, E, F).
'$enumerate_constraints'(skip_to_next_id, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____skip_to_next_id___2-12',
              A),
    value_ht(A, B),
    B=suspension(_, _, _, D, E),
    C=skip_to_next_id(D, E).
'$enumerate_constraints'(set_occurrence_code_id, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____set_occurrence_code_id___3-12',
              A),
    value_ht(A, B),
    B=suspension(_, _, D, E, F),
    C=set_occurrence_code_id(D, E, F).
'$enumerate_constraints'(occurrence_code_id, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence_code_id___3-12',
              A),
    value_ht(A, B),
    B=suspension(_, _, D, E, F),
    C=occurrence_code_id(D, E, F).
'$enumerate_constraints'(chr_constants, C) :-
    nb_getval('$chr_store_global_ground_chr_translate____chr_constants___1',
              A),
    member(B, A),
    B=suspension(_, _, _, D),
    C=chr_constants(D).
'$enumerate_constraints'(print_chr_constants, C) :-
    nb_getval('$chr_store_global_ground_chr_translate____print_chr_constants___0',
              A),
    member(B, A),
    B=suspension(_, _, _),
    C=print_chr_constants.
'$via1_multi_hash_source_location___2-1'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____source_location___2-1',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_indexed_argument___2-1'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____indexed_argument___2-1',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_indexed_argument___2-12'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____indexed_argument___2-12',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_constraint_mode___2-1'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____constraint_mode___2-1',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_store_type___2-1'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____store_type___2-1', A),
    lookup_ht(A, B, C).
'$via1_multi_hash_actual_store_types___2-1'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____actual_store_types___2-1',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_assumed_store_type___2-1'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____assumed_store_type___2-1',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_validate_store_type_assumption___1-1'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____validate_store_type_assumption___1-1',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_passive___2-1'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____passive___2-1', A),
    lookup_ht(A, B, C).
'$via1_multi_hash_passive___2-12'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____passive___2-12', A),
    lookup_ht(A, B, C).
'$via1_multi_hash_occurrence___5-15'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-15',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_occurrence___5-125'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-125',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_occurrence___5-134'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-134',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_occurrence___5-12'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-12',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_occurrence___5-3'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-3', A),
    lookup_ht(A, B, C).
'$via1_multi_hash_occurrence___5-13'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-13',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_occurrence___5-34'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-34',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_occurrence___5-1'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-1', A),
    lookup_ht(A, B, C).
'$via1_multi_hash_max_occurrence___2-1'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____max_occurrence___2-1',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_allocation_occurrence___2-1'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____allocation_occurrence___2-1',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_allocation_occurrence___2-12'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____allocation_occurrence___2-12',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_rule___2-1'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____rule___2-1', A),
    lookup_ht(A, B, C).
'$via1_multi_hash_least_occurrence___2-12'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____least_occurrence___2-12',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_least_occurrence___2-1'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____least_occurrence___2-1',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_constraint_index___2-2'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____constraint_index___2-2',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_constraint_index___2-1'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____constraint_index___2-1',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_identifier_index___3-12'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____identifier_index___3-12',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_type_indexed_identifier_size___2-1'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____type_indexed_identifier_size___2-1',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_type_indexed_identifier_index___4-123'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____type_indexed_identifier_index___4-123',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_type_indexed_identifier_index___4-23'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____type_indexed_identifier_index___4-23',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_no_history___1-1'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____no_history___1-1', A),
    lookup_ht(A, B, C).
'$chr_store_constants_chr_translate____history___3___[3]'([], '$chr_store_constants_chr_translate____history___3___[3]___[]').
'$via1_multi_hash_history___3-2'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____history___3-2', A),
    lookup_ht(A, B, C).
'$via1_multi_hash_history___3-1'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____history___3-1', A),
    lookup_ht(A, B, C).
'$via1_multi_hash_indexing_spec___2-1'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____indexing_spec___2-1',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_spawns___3-13'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-13', A),
    lookup_ht(A, B, C).
'$via1_multi_hash_spawns___3-12'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-12', A),
    lookup_ht(A, B, C).
'$via1_multi_hash_spawns___3-1'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-1', A),
    lookup_ht(A, B, C).
'$via1_multi_hash_spawns___3-3'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-3', A),
    lookup_ht(A, B, C).
'$via1_multi_hash_spawns___3-123'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-123', A),
    lookup_ht(A, B, C).
'$via1_multi_hash_spawns_all___2-1'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____spawns_all___2-1', A),
    lookup_ht(A, B, C).
'$via1_multi_hash_spawns_all___2-12'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____spawns_all___2-12',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_spawns_all_triggers___2-1'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____spawns_all_triggers___2-1',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_spawns_all_triggers___2-12'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____spawns_all_triggers___2-12',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_actual_atomic_multi_hash_keys___3-12'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____actual_atomic_multi_hash_keys___3-12',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_actual_atomic_multi_hash_keys___3-1'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____actual_atomic_multi_hash_keys___3-1',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_actual_ground_multi_hash_keys___3-12'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____actual_ground_multi_hash_keys___3-12',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_actual_ground_multi_hash_keys___3-1'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____actual_ground_multi_hash_keys___3-1',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_actual_non_ground_multi_hash_key___2-12'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____actual_non_ground_multi_hash_key___2-12',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_prolog_global_variable___1-1'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____prolog_global_variable___1-1',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_prev_guard_list___6-1'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____prev_guard_list___6-1',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_set_all_passive___1-1'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____set_all_passive___1-1',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_make_head_matchings_explicit_memo_table___3-1'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____make_head_matchings_explicit_memo_table___3-1',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_constraint_type___2-1'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____constraint_type___2-1',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_ast_static_atomic_builtin_type_check_var___4-1'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____ast_static_atomic_builtin_type_check_var___4-1',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_ast_static_atomic_builtin_type_check_var___4-13'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____ast_static_atomic_builtin_type_check_var___4-13',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_stored___3-13'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____stored___3-13', A),
    lookup_ht(A, B, C).
'$via1_multi_hash_stored___3-123'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____stored___3-123', A),
    lookup_ht(A, B, C).
'$via1_multi_hash_stored_complete___3-13'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____stored_complete___3-13',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_stored_complete___3-1'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____stored_complete___3-1',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_check_all_passive___2-12'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____check_all_passive___2-12',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_check_all_passive___2-1'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____check_all_passive___2-1',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_memo_has_active_occurrence___1-1'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____memo_has_active_occurrence___1-1',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_use_auxiliary_predicate___1-1'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____use_auxiliary_predicate___1-1',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_use_auxiliary_predicate___2-1'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____use_auxiliary_predicate___2-1',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_use_auxiliary_predicate___2-12'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____use_auxiliary_predicate___2-12',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_use_auxiliary_module___1-1'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____use_auxiliary_module___1-1',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_functional_dependency___4-1'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____functional_dependency___4-1',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_functional_dependency___4-12'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____functional_dependency___4-12',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_initial_call_pattern___1-1'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____initial_call_pattern___1-1',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_call_pattern___1-1'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____call_pattern___1-1',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_final_answer_pattern___2-1'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____final_answer_pattern___2-1',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_depends_on___2-1'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____depends_on___2-1', A),
    lookup_ht(A, B, C).
'$via1_multi_hash_depends_on___2-2'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____depends_on___2-2', A),
    lookup_ht(A, B, C).
'$via1_multi_hash_depends_on_ap___4-2'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____depends_on_ap___4-2',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_depends_on_ap___4-3'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____depends_on_ap___4-3',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_depends_on_goal___2-2'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____depends_on_goal___2-2',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_ai_observed_internal___2-12'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____ai_observed_internal___2-12',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_ai_not_observed_internal___2-12'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____ai_not_observed_internal___2-12',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_ai_not_observed___2-12'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____ai_not_observed___2-12',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_depends_on_as___3-3'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____depends_on_as___3-3',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_depends_on_as___3-2'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____depends_on_as___3-2',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_ai_observation_memoed_simplification_rest_heads___3-12'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____ai_observation_memoed_simplification_rest_heads___3-12',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_ai_observation_memoed_propagation_rest_heads___3-12'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____ai_observation_memoed_propagation_rest_heads___3-12',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_ai_observation_memoed_abstract_goal___2-1'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____ai_observation_memoed_abstract_goal___2-1',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_no_partial_wake___1-1'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____no_partial_wake___1-1',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_phase_end___1-1'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____phase_end___1-1', A),
    lookup_ht(A, B, C).
'$via1_multi_hash_delay_phase_end___2-1'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____delay_phase_end___2-1',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_does_use_history___2-1'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____does_use_history___2-1',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_does_use_history___2-12'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____does_use_history___2-12',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_does_use_field___2-12'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____does_use_field___2-12',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_uses_state___2-12'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____uses_state___2-12',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_if_used_state___5-12'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____if_used_state___5-12',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_stored_assertion___1-1'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____stored_assertion___1-1',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_never_stored_default___2-1'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____never_stored_default___2-1',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_continuation_occurrence___3-12'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____continuation_occurrence___3-12',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_skip_to_next_id___2-12'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____skip_to_next_id___2-12',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_set_occurrence_code_id___3-12'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____set_occurrence_code_id___3-12',
              A),
    lookup_ht(A, B, C).
'$via1_multi_hash_occurrence_code_id___3-12'(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence_code_id___3-12',
              A),
    lookup_ht(A, B, C).
'$chr_initialization' :-
    nb_setval('$chr_store_global_ground_chr_translate____print_chr_constants___0',
              []),
    nb_setval('$chr_store_global_ground_chr_translate____chr_constants___1', []),
    new_ht(A),
    nb_setval('$chr_store_multi_hash_chr_translate____occurrence_code_id___3-12',
              A),
    new_ht(B),
    nb_setval('$chr_store_multi_hash_chr_translate____set_occurrence_code_id___3-12',
              B),
    new_ht(C),
    nb_setval('$chr_store_multi_hash_chr_translate____skip_to_next_id___2-12',
              C),
    new_ht(D),
    nb_setval('$chr_store_multi_hash_chr_translate____continuation_occurrence___3-12',
              D),
    nb_setval('$chr_store_global_ground_chr_translate____never_stored_rules___2',
              []),
    new_ht(E),
    nb_setval('$chr_store_multi_hash_chr_translate____never_stored_default___2-1',
              E),
    new_ht(F),
    nb_setval('$chr_store_multi_hash_chr_translate____stored_assertion___1-1',
              F),
    nb_setval('$chr_store_global_ground_chr_translate____used_states_known___0',
              []),
    new_ht(G),
    nb_setval('$chr_store_multi_hash_chr_translate____if_used_state___5-12',
              G),
    nb_setval('$chr_store_global_ground_chr_translate____if_used_state___5', []),
    new_ht(H),
    nb_setval('$chr_store_multi_hash_chr_translate____uses_state___2-12',
              H),
    new_ht(I),
    nb_setval('$chr_store_multi_hash_chr_translate____does_use_field___2-12',
              I),
    new_ht(J),
    nb_setval('$chr_store_multi_hash_chr_translate____does_use_history___2-12',
              J),
    new_ht(K),
    nb_setval('$chr_store_multi_hash_chr_translate____does_use_history___2-1',
              K),
    new_ht(L),
    nb_setval('$chr_store_multi_hash_chr_translate____delay_phase_end___2-1',
              L),
    new_ht(M),
    nb_setval('$chr_store_multi_hash_chr_translate____phase_end___1-1', M),
    new_ht(N),
    nb_setval('$chr_store_multi_hash_chr_translate____no_partial_wake___1-1',
              N),
    nb_setval('$chr_store_global_ground_chr_translate____partial_wake_analysis___0',
              []),
    nb_setval('$chr_store_global_ground_chr_translate____ai_observation_memo_abstract_goal___2',
              []),
    new_ht(O),
    nb_setval('$chr_store_multi_hash_chr_translate____ai_observation_memoed_abstract_goal___2-1',
              O),
    new_ht(P),
    nb_setval('$chr_store_multi_hash_chr_translate____ai_observation_memoed_propagation_rest_heads___3-12',
              P),
    new_ht(Q),
    nb_setval('$chr_store_multi_hash_chr_translate____ai_observation_memoed_simplification_rest_heads___3-12',
              Q),
    nb_setval('$chr_store_global_ground_chr_translate____ai_observation_gather_results___0',
              []),
    new_ht(R),
    nb_setval('$chr_store_multi_hash_chr_translate____depends_on_as___3-2',
              R),
    new_ht(S),
    nb_setval('$chr_store_multi_hash_chr_translate____depends_on_as___3-3',
              S),
    new_ht(T),
    nb_setval('$chr_store_multi_hash_chr_translate____ai_not_observed___2-12',
              T),
    new_ht(U),
    nb_setval('$chr_store_multi_hash_chr_translate____ai_not_observed_internal___2-12',
              U),
    nb_setval('$chr_store_global_ground_chr_translate____ai_not_observed_internal___2',
              []),
    new_ht(V),
    nb_setval('$chr_store_multi_hash_chr_translate____ai_observed_internal___2-12',
              V),
    nb_setval('$chr_store_global_ground_chr_translate____ai_observed_internal___2',
              []),
    new_ht(W),
    nb_setval('$chr_store_multi_hash_chr_translate____depends_on_goal___2-2',
              W),
    new_ht(X),
    nb_setval('$chr_store_multi_hash_chr_translate____depends_on_ap___4-3',
              X),
    new_ht(Y),
    nb_setval('$chr_store_multi_hash_chr_translate____depends_on_ap___4-2',
              Y),
    new_ht(Z),
    nb_setval('$chr_store_multi_hash_chr_translate____depends_on___2-2',
              Z),
    new_ht(A1),
    nb_setval('$chr_store_multi_hash_chr_translate____depends_on___2-1',
              A1),
    nb_setval('$chr_store_global_ground_chr_translate____abstract_constraints___1',
              []),
    new_ht(B1),
    nb_setval('$chr_store_multi_hash_chr_translate____final_answer_pattern___2-1',
              B1),
    new_ht(C1),
    nb_setval('$chr_store_multi_hash_chr_translate____call_pattern___1-1',
              C1),
    new_ht(D1),
    nb_setval('$chr_store_multi_hash_chr_translate____initial_call_pattern___1-1',
              D1),
    new_ht(E1),
    nb_setval('$chr_store_multi_hash_chr_translate____functional_dependency___4-12',
              E1),
    new_ht(F1),
    nb_setval('$chr_store_multi_hash_chr_translate____functional_dependency___4-1',
              F1),
    new_ht(G1),
    nb_setval('$chr_store_multi_hash_chr_translate____use_auxiliary_module___1-1',
              G1),
    new_ht(H1),
    nb_setval('$chr_store_multi_hash_chr_translate____use_auxiliary_predicate___2-12',
              H1),
    new_ht(I1),
    nb_setval('$chr_store_multi_hash_chr_translate____use_auxiliary_predicate___2-1',
              I1),
    new_ht(J1),
    nb_setval('$chr_store_multi_hash_chr_translate____use_auxiliary_predicate___1-1',
              J1),
    new_ht(K1),
    nb_setval('$chr_store_multi_hash_chr_translate____memo_has_active_occurrence___1-1',
              K1),
    nb_setval('$chr_store_global_ground_chr_translate____constraints_code1___3',
              []),
    new_ht(L1),
    nb_setval('$chr_store_multi_hash_chr_translate____check_all_passive___2-1',
              L1),
    new_ht(M1),
    nb_setval('$chr_store_multi_hash_chr_translate____check_all_passive___2-12',
              M1),
    new_ht(N1),
    nb_setval('$chr_store_multi_hash_chr_translate____stored_complete___3-1',
              N1),
    new_ht(O1),
    nb_setval('$chr_store_multi_hash_chr_translate____stored_complete___3-13',
              O1),
    new_ht(P1),
    nb_setval('$chr_store_multi_hash_chr_translate____stored___3-123', P1),
    new_ht(Q1),
    nb_setval('$chr_store_multi_hash_chr_translate____stored___3-13', Q1),
    nb_setval('$chr_store_global_list_chr_translate____atomic_type___1', []),
    nb_setval('$chr_store_global_ground_chr_translate____dynamic_type_check_clauses___1',
              []),
    nb_setval('$chr_store_global_ground_chr_translate____dynamic_type_check___0',
              []),
    new_ht(R1),
    nb_setval('$chr_store_multi_hash_chr_translate____ast_static_atomic_builtin_type_check_var___4-13',
              R1),
    new_ht(S1),
    nb_setval('$chr_store_multi_hash_chr_translate____ast_static_atomic_builtin_type_check_var___4-1',
              S1),
    nb_setval('$chr_store_global_list_chr_translate____ast_static_type_check_var___4',
              []),
    nb_setval('$chr_store_global_ground_chr_translate____static_type_check___2',
              []),
    nb_setval('$chr_store_global_ground_chr_translate____types_modes_condition___3',
              []),
    nb_setval('$chr_store_global_list_chr_translate____unalias_type___2', []),
    new_ht(T1),
    nb_setval('$chr_store_multi_hash_chr_translate____constraint_type___2-1',
              T1),
    nb_setval('$chr_store_global_ground_chr_translate____constraint_type___2',
              []),
    nb_setval('$chr_store_global_list_chr_translate____type_alias___2', []),
    nb_setval('$chr_store_global_list_chr_translate____type_definition___2', []),
    nb_setval('$chr_store_global_ground_chr_translate____multiple_occ_constraints_checked___1',
              []),
    new_ht(U1),
    nb_setval('$chr_store_multi_hash_chr_translate____make_head_matchings_explicit_memo_table___3-1',
              U1),
    nb_setval('$chr_store_global_ground_chr_translate____precompute_head_matchings___0',
              []),
    new_ht(V1),
    nb_setval('$chr_store_multi_hash_chr_translate____set_all_passive___1-1',
              V1),
    new_ht(W1),
    nb_setval('$chr_store_multi_hash_chr_translate____prev_guard_list___6-1',
              W1),
    nb_setval('$chr_store_global_ground_chr_translate____prev_guard_list___6',
              []),
    nb_setval('$chr_store_global_ground_chr_translate____get_bg_info_answer___1',
              []),
    nb_setval('$chr_store_global_list_chr_translate____get_bg_info___2', []),
    nb_setval('$chr_store_global_list_chr_translate____background_info___2', []),
    nb_setval('$chr_store_global_ground_chr_translate____background_info___1',
              []),
    new_ht(X1),
    nb_setval('$chr_store_multi_hash_chr_translate____prolog_global_variable___1-1',
              X1),
    nb_setval('$chr_store_global_ground_chr_translate____prolog_global_variable___1',
              []),
    nb_setval('$chr_store_global_list_chr_translate____fresh_symbol___2', []),
    nb_setval('$chr_store_global_list_chr_translate____symbol_count___2', []),
    new_ht(Y1),
    nb_setval('$chr_store_multi_hash_chr_translate____actual_non_ground_multi_hash_key___2-12',
              Y1),
    new_ht(Z1),
    nb_setval('$chr_store_multi_hash_chr_translate____actual_ground_multi_hash_keys___3-1',
              Z1),
    new_ht(A2),
    nb_setval('$chr_store_multi_hash_chr_translate____actual_ground_multi_hash_keys___3-12',
              A2),
    new_ht(B2),
    nb_setval('$chr_store_multi_hash_chr_translate____actual_atomic_multi_hash_keys___3-1',
              B2),
    new_ht(C2),
    nb_setval('$chr_store_multi_hash_chr_translate____actual_atomic_multi_hash_keys___3-12',
              C2),
    nb_setval('$chr_store_global_ground_chr_translate____module_initializer___1',
              []),
    nb_setval('$chr_store_global_ground_chr_translate____find_empty_named_histories___0',
              []),
    nb_setval('$chr_store_global_list_chr_translate____generate_empty_named_history_initialisation___1',
              []),
    nb_setval('$chr_store_global_ground_chr_translate____empty_named_history_initialisations___2',
              []),
    nb_setval('$chr_store_global_ground_chr_translate____spawns_all_triggers_implies_spawns_all___0',
              []),
    new_ht(D2),
    nb_setval('$chr_store_multi_hash_chr_translate____spawns_all_triggers___2-12',
              D2),
    new_ht(E2),
    nb_setval('$chr_store_multi_hash_chr_translate____spawns_all_triggers___2-1',
              E2),
    nb_setval('$chr_store_global_ground_chr_translate____spawns_all_triggers___2',
              []),
    new_ht(F2),
    nb_setval('$chr_store_multi_hash_chr_translate____spawns_all___2-12',
              F2),
    new_ht(G2),
    nb_setval('$chr_store_multi_hash_chr_translate____spawns_all___2-1',
              G2),
    new_ht(H2),
    nb_setval('$chr_store_multi_hash_chr_translate____spawns___3-123', H2),
    new_ht(I2),
    nb_setval('$chr_store_multi_hash_chr_translate____spawns___3-3', I2),
    new_ht(J2),
    nb_setval('$chr_store_multi_hash_chr_translate____spawns___3-1', J2),
    new_ht(K2),
    nb_setval('$chr_store_multi_hash_chr_translate____spawns___3-12', K2),
    nb_setval('$chr_store_global_ground_chr_translate____spawns___3', []),
    new_ht(L2),
    nb_setval('$chr_store_multi_hash_chr_translate____spawns___3-13', L2),
    nb_setval('$chr_store_global_ground_chr_translate____observation_analysis___1',
              []),
    new_ht(M2),
    nb_setval('$chr_store_multi_hash_chr_translate____indexing_spec___2-1',
              M2),
    new_ht(N2),
    nb_setval('$chr_store_multi_hash_chr_translate____history___3-1', N2),
    new_ht(O2),
    nb_setval('$chr_store_multi_hash_chr_translate____history___3-2', O2),
    nb_setval('$chr_store_constants_chr_translate____history___3___[3]___[]', []),
    new_ht(P2),
    nb_setval('$chr_store_multi_hash_chr_translate____no_history___1-1',
              P2),
    new_ht(Q2),
    nb_setval('$chr_store_multi_hash_chr_translate____type_indexed_identifier_index___4-23',
              Q2),
    new_ht(R2),
    nb_setval('$chr_store_multi_hash_chr_translate____type_indexed_identifier_index___4-123',
              R2),
    new_ht(S2),
    nb_setval('$chr_store_multi_hash_chr_translate____type_indexed_identifier_size___2-1',
              S2),
    new_ht(T2),
    nb_setval('$chr_store_multi_hash_chr_translate____identifier_index___3-12',
              T2),
    nb_setval('$chr_store_global_ground_chr_translate____identifier_size___1',
              []),
    nb_setval('$chr_store_global_ground_chr_translate____max_constraint_index___1',
              []),
    new_ht(U2),
    nb_setval('$chr_store_multi_hash_chr_translate____constraint_index___2-1',
              U2),
    new_ht(V2),
    nb_setval('$chr_store_multi_hash_chr_translate____constraint_index___2-2',
              V2),
    new_ht(W2),
    nb_setval('$chr_store_multi_hash_chr_translate____least_occurrence___2-1',
              W2),
    new_ht(X2),
    nb_setval('$chr_store_multi_hash_chr_translate____least_occurrence___2-12',
              X2),
    new_ht(Y2),
    nb_setval('$chr_store_multi_hash_chr_translate____rule___2-1', Y2),
    nb_setval('$chr_store_global_ground_chr_translate____rule___2', []),
    new_ht(Z2),
    nb_setval('$chr_store_multi_hash_chr_translate____allocation_occurrence___2-12',
              Z2),
    new_ht(A3),
    nb_setval('$chr_store_multi_hash_chr_translate____allocation_occurrence___2-1',
              A3),
    new_ht(B3),
    nb_setval('$chr_store_multi_hash_chr_translate____max_occurrence___2-1',
              B3),
    new_ht(C3),
    nb_setval('$chr_store_multi_hash_chr_translate____occurrence___5-1',
              C3),
    new_ht(D3),
    nb_setval('$chr_store_multi_hash_chr_translate____occurrence___5-34',
              D3),
    new_ht(E3),
    nb_setval('$chr_store_multi_hash_chr_translate____occurrence___5-13',
              E3),
    new_ht(F3),
    nb_setval('$chr_store_multi_hash_chr_translate____occurrence___5-3',
              F3),
    new_ht(G3),
    nb_setval('$chr_store_multi_hash_chr_translate____occurrence___5-12',
              G3),
    new_ht(H3),
    nb_setval('$chr_store_multi_hash_chr_translate____occurrence___5-134',
              H3),
    new_ht(I3),
    nb_setval('$chr_store_multi_hash_chr_translate____occurrence___5-125',
              I3),
    nb_setval('$chr_store_global_ground_chr_translate____occurrence___5', []),
    new_ht(J3),
    nb_setval('$chr_store_multi_hash_chr_translate____occurrence___5-15',
              J3),
    new_ht(K3),
    nb_setval('$chr_store_multi_hash_chr_translate____passive___2-12', K3),
    new_ht(L3),
    nb_setval('$chr_store_multi_hash_chr_translate____passive___2-1', L3),
    nb_setval('$chr_store_global_ground_chr_translate____rule_count___1', []),
    new_ht(M3),
    nb_setval('$chr_store_multi_hash_chr_translate____validate_store_type_assumption___1-1',
              M3),
    new_ht(N3),
    nb_setval('$chr_store_multi_hash_chr_translate____assumed_store_type___2-1',
              N3),
    new_ht(O3),
    nb_setval('$chr_store_multi_hash_chr_translate____actual_store_types___2-1',
              O3),
    new_ht(P3),
    nb_setval('$chr_store_multi_hash_chr_translate____store_type___2-1',
              P3),
    nb_setval('$chr_store_global_ground_chr_translate____none_suspended_on_variables___0',
              []),
    new_ht(Q3),
    nb_setval('$chr_store_multi_hash_chr_translate____constraint_mode___2-1',
              Q3),
    nb_setval('$chr_store_global_ground_chr_translate____constraint_mode___2',
              []),
    new_ht(R3),
    nb_setval('$chr_store_multi_hash_chr_translate____indexed_argument___2-12',
              R3),
    new_ht(S3),
    nb_setval('$chr_store_multi_hash_chr_translate____indexed_argument___2-1',
              S3),
    new_ht(T3),
    nb_setval('$chr_store_multi_hash_chr_translate____source_location___2-1',
              T3),
    nb_setval('$chr_store_global_ground_chr_translate____target_module___1', []),
    nb_setval('$chr_store_global_ground_chr_translate____chr_source_file___1',
              []).
:- (initialization'$chr_initialization').
:- (dynamic user:exception/3).
:- (multifile user:exception/3).
user:exception(undefined_global_variable, A, retry) :-
    '$chr_prolog_global_variable'(A),
    '$chr_initialization'.
'$chr_prolog_global_variable'('$chr_store_global_ground_chr_translate____print_chr_constants___0').
'$chr_prolog_global_variable'('$chr_store_global_ground_chr_translate____chr_constants___1').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____occurrence_code_id___3-12').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____set_occurrence_code_id___3-12').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____skip_to_next_id___2-12').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____continuation_occurrence___3-12').
'$chr_prolog_global_variable'('$chr_store_global_ground_chr_translate____never_stored_rules___2').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____never_stored_default___2-1').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____stored_assertion___1-1').
'$chr_prolog_global_variable'('$chr_store_global_ground_chr_translate____used_states_known___0').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____if_used_state___5-12').
'$chr_prolog_global_variable'('$chr_store_global_ground_chr_translate____if_used_state___5').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____uses_state___2-12').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____does_use_field___2-12').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____does_use_history___2-12').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____does_use_history___2-1').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____delay_phase_end___2-1').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____phase_end___1-1').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____no_partial_wake___1-1').
'$chr_prolog_global_variable'('$chr_store_global_ground_chr_translate____partial_wake_analysis___0').
'$chr_prolog_global_variable'('$chr_store_global_ground_chr_translate____ai_observation_memo_abstract_goal___2').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____ai_observation_memoed_abstract_goal___2-1').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____ai_observation_memoed_propagation_rest_heads___3-12').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____ai_observation_memoed_simplification_rest_heads___3-12').
'$chr_prolog_global_variable'('$chr_store_global_ground_chr_translate____ai_observation_gather_results___0').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____depends_on_as___3-2').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____depends_on_as___3-3').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____ai_not_observed___2-12').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____ai_not_observed_internal___2-12').
'$chr_prolog_global_variable'('$chr_store_global_ground_chr_translate____ai_not_observed_internal___2').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____ai_observed_internal___2-12').
'$chr_prolog_global_variable'('$chr_store_global_ground_chr_translate____ai_observed_internal___2').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____depends_on_goal___2-2').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____depends_on_ap___4-3').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____depends_on_ap___4-2').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____depends_on___2-2').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____depends_on___2-1').
'$chr_prolog_global_variable'('$chr_store_global_ground_chr_translate____abstract_constraints___1').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____final_answer_pattern___2-1').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____call_pattern___1-1').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____initial_call_pattern___1-1').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____functional_dependency___4-12').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____functional_dependency___4-1').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____use_auxiliary_module___1-1').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____use_auxiliary_predicate___2-12').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____use_auxiliary_predicate___2-1').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____use_auxiliary_predicate___1-1').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____memo_has_active_occurrence___1-1').
'$chr_prolog_global_variable'('$chr_store_global_ground_chr_translate____constraints_code1___3').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____check_all_passive___2-1').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____check_all_passive___2-12').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____stored_complete___3-1').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____stored_complete___3-13').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____stored___3-123').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____stored___3-13').
'$chr_prolog_global_variable'('$chr_store_global_list_chr_translate____atomic_type___1').
'$chr_prolog_global_variable'('$chr_store_global_ground_chr_translate____dynamic_type_check_clauses___1').
'$chr_prolog_global_variable'('$chr_store_global_ground_chr_translate____dynamic_type_check___0').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____ast_static_atomic_builtin_type_check_var___4-13').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____ast_static_atomic_builtin_type_check_var___4-1').
'$chr_prolog_global_variable'('$chr_store_global_list_chr_translate____ast_static_type_check_var___4').
'$chr_prolog_global_variable'('$chr_store_global_ground_chr_translate____static_type_check___2').
'$chr_prolog_global_variable'('$chr_store_global_ground_chr_translate____types_modes_condition___3').
'$chr_prolog_global_variable'('$chr_store_global_list_chr_translate____unalias_type___2').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____constraint_type___2-1').
'$chr_prolog_global_variable'('$chr_store_global_ground_chr_translate____constraint_type___2').
'$chr_prolog_global_variable'('$chr_store_global_list_chr_translate____type_alias___2').
'$chr_prolog_global_variable'('$chr_store_global_list_chr_translate____type_definition___2').
'$chr_prolog_global_variable'('$chr_store_global_ground_chr_translate____multiple_occ_constraints_checked___1').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____make_head_matchings_explicit_memo_table___3-1').
'$chr_prolog_global_variable'('$chr_store_global_ground_chr_translate____precompute_head_matchings___0').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____set_all_passive___1-1').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____prev_guard_list___6-1').
'$chr_prolog_global_variable'('$chr_store_global_ground_chr_translate____prev_guard_list___6').
'$chr_prolog_global_variable'('$chr_store_global_ground_chr_translate____get_bg_info_answer___1').
'$chr_prolog_global_variable'('$chr_store_global_list_chr_translate____get_bg_info___2').
'$chr_prolog_global_variable'('$chr_store_global_list_chr_translate____background_info___2').
'$chr_prolog_global_variable'('$chr_store_global_ground_chr_translate____background_info___1').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____prolog_global_variable___1-1').
'$chr_prolog_global_variable'('$chr_store_global_ground_chr_translate____prolog_global_variable___1').
'$chr_prolog_global_variable'('$chr_store_global_list_chr_translate____fresh_symbol___2').
'$chr_prolog_global_variable'('$chr_store_global_list_chr_translate____symbol_count___2').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____actual_non_ground_multi_hash_key___2-12').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____actual_ground_multi_hash_keys___3-1').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____actual_ground_multi_hash_keys___3-12').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____actual_atomic_multi_hash_keys___3-1').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____actual_atomic_multi_hash_keys___3-12').
'$chr_prolog_global_variable'('$chr_store_global_ground_chr_translate____module_initializer___1').
'$chr_prolog_global_variable'('$chr_store_global_ground_chr_translate____find_empty_named_histories___0').
'$chr_prolog_global_variable'('$chr_store_global_list_chr_translate____generate_empty_named_history_initialisation___1').
'$chr_prolog_global_variable'('$chr_store_global_ground_chr_translate____empty_named_history_initialisations___2').
'$chr_prolog_global_variable'('$chr_store_global_ground_chr_translate____spawns_all_triggers_implies_spawns_all___0').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____spawns_all_triggers___2-12').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____spawns_all_triggers___2-1').
'$chr_prolog_global_variable'('$chr_store_global_ground_chr_translate____spawns_all_triggers___2').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____spawns_all___2-12').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____spawns_all___2-1').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____spawns___3-123').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____spawns___3-3').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____spawns___3-1').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____spawns___3-12').
'$chr_prolog_global_variable'('$chr_store_global_ground_chr_translate____spawns___3').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____spawns___3-13').
'$chr_prolog_global_variable'('$chr_store_global_ground_chr_translate____observation_analysis___1').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____indexing_spec___2-1').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____history___3-1').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____history___3-2').
'$chr_prolog_global_variable'('$chr_store_constants_chr_translate____history___3___[3]___[]').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____no_history___1-1').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____type_indexed_identifier_index___4-23').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____type_indexed_identifier_index___4-123').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____type_indexed_identifier_size___2-1').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____identifier_index___3-12').
'$chr_prolog_global_variable'('$chr_store_global_ground_chr_translate____identifier_size___1').
'$chr_prolog_global_variable'('$chr_store_global_ground_chr_translate____max_constraint_index___1').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____constraint_index___2-1').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____constraint_index___2-2').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____least_occurrence___2-1').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____least_occurrence___2-12').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____rule___2-1').
'$chr_prolog_global_variable'('$chr_store_global_ground_chr_translate____rule___2').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____allocation_occurrence___2-12').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____allocation_occurrence___2-1').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____max_occurrence___2-1').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____occurrence___5-1').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____occurrence___5-34').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____occurrence___5-13').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____occurrence___5-3').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____occurrence___5-12').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____occurrence___5-134').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____occurrence___5-125').
'$chr_prolog_global_variable'('$chr_store_global_ground_chr_translate____occurrence___5').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____occurrence___5-15').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____passive___2-12').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____passive___2-1').
'$chr_prolog_global_variable'('$chr_store_global_ground_chr_translate____rule_count___1').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____validate_store_type_assumption___1-1').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____assumed_store_type___2-1').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____actual_store_types___2-1').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____store_type___2-1').
'$chr_prolog_global_variable'('$chr_store_global_ground_chr_translate____none_suspended_on_variables___0').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____constraint_mode___2-1').
'$chr_prolog_global_variable'('$chr_store_global_ground_chr_translate____constraint_mode___2').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____indexed_argument___2-12').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____indexed_argument___2-1').
'$chr_prolog_global_variable'('$chr_store_multi_hash_chr_translate____source_location___2-1').
'$chr_prolog_global_variable'('$chr_store_global_ground_chr_translate____target_module___1').
'$chr_prolog_global_variable'('$chr_store_global_ground_chr_translate____chr_source_file___1').
chr_source_file(C) :-
    nb_getval('$chr_store_global_ground_chr_translate____chr_source_file___1',
              A),
    (   member(B, A),
        B=suspension(_, active, _, _),
        !
    ;   !,
        chr_source_file___1__0__0__2(A, C)
    ).
chr_source_file___1__0__0__2([], A) :-
    chr_source_file___1__1(A).
chr_source_file___1__0__0__2([A|F], G) :-
    (   A=suspension(_, active, _, _)
    ->  ( setarg(2, A, removed),
          arg(3, A, B),
          (   var(B)
          ->  nb_getval('$chr_store_global_ground_chr_translate____chr_source_file___1',
                        C),
              C=[_|D],
              b_setval('$chr_store_global_ground_chr_translate____chr_source_file___1',
                       D),
              (   D=[E|_]
              ->  setarg(3, E, _)
              ;   true
              )
          ;   B=[_, _|D],
              setarg(2, B, D),
              (   D=[E|_]
              ->  setarg(3, E, B)
              ;   true
              )
          )
        ),
        chr_source_file___1__0__0__2(F, G)
    ;   chr_source_file___1__0__0__2(F, G)
    ).
chr_source_file(A) :-
    chr_source_file___1__1(A).
chr_source_file___1__1(A) :-
    C=suspension(B, active, _, A),
    'chr gen_id'(B),
    nb_getval('$chr_store_global_ground_chr_translate____chr_source_file___1',
              D),
    E=[C|D],
    b_setval('$chr_store_global_ground_chr_translate____chr_source_file___1',
             E),
    (   D=[F|_]
    ->  setarg(3, F, E)
    ;   true
    ).
get_chr_source_file(C) :-
    nb_getval('$chr_store_global_ground_chr_translate____chr_source_file___1',
              A),
    member(B, A),
    B=suspension(_, active, _, D),
    !,
    C=D.
get_chr_source_file(user).
target_module(C) :-
    nb_getval('$chr_store_global_ground_chr_translate____target_module___1',
              A),
    (   member(B, A),
        B=suspension(_, active, _, _),
        !
    ;   !,
        target_module___1__0__0__2(A, C)
    ).
target_module___1__0__0__2([], A) :-
    target_module___1__1(A).
target_module___1__0__0__2([A|F], G) :-
    (   A=suspension(_, active, _, _)
    ->  ( setarg(2, A, removed),
          arg(3, A, B),
          (   var(B)
          ->  nb_getval('$chr_store_global_ground_chr_translate____target_module___1',
                        C),
              C=[_|D],
              b_setval('$chr_store_global_ground_chr_translate____target_module___1',
                       D),
              (   D=[E|_]
              ->  setarg(3, E, _)
              ;   true
              )
          ;   B=[_, _|D],
              setarg(2, B, D),
              (   D=[E|_]
              ->  setarg(3, E, B)
              ;   true
              )
          )
        ),
        target_module___1__0__0__2(F, G)
    ;   target_module___1__0__0__2(F, G)
    ).
target_module(A) :-
    target_module___1__1(A).
target_module___1__1(A) :-
    C=suspension(B, active, _, A),
    'chr gen_id'(B),
    nb_getval('$chr_store_global_ground_chr_translate____target_module___1',
              D),
    E=[C|D],
    b_setval('$chr_store_global_ground_chr_translate____target_module___1',
             E),
    (   D=[F|_]
    ->  setarg(3, F, E)
    ;   true
    ).
get_target_module(C) :-
    nb_getval('$chr_store_global_ground_chr_translate____target_module___1',
              A),
    member(B, A),
    B=suspension(_, active, _, D),
    !,
    C=D.
get_target_module(user).
source_location(B, E) :-
    ( nb_getval('$chr_store_multi_hash_chr_translate____source_location___2-1',
                A),
      lookup_ht(A, B, C)
    ),
    (   member(D, C),
        D=suspension(_, active, _, _),
        !
    ;   !,
        source_location___2__0__0__2(C, B, E)
    ).
source_location___2__0__0__2([], A, B) :-
    source_location___2__1(A, B).
source_location___2__0__0__2([A|E], C, F) :-
    (   A=suspension(_, active, B, _),
        B==C
    ->  ( setarg(2, A, removed),
          nb_getval('$chr_store_multi_hash_chr_translate____source_location___2-1',
                    D),
          delete_ht(D, C, A)
        ),
        source_location___2__0__0__2(E, C, F)
    ;   source_location___2__0__0__2(E, C, F)
    ).
source_location(A, B) :-
    source_location___2__1(A, B).
source_location___2__1(A, B) :-
    E=suspension(C, active, A, B),
    'chr gen_id'(C),
    nb_getval('$chr_store_multi_hash_chr_translate____source_location___2-1',
              D),
    insert_ht(D, A, E).
get_line_number(B, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____source_location___2-1',
              A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _, F),
    !,
    E=F.
get_line_number(_,  (?):0).
indexed_argument(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____indexed_argument___2-12',
              A),
    lookup_ht(A, k(B, C), D),
    member(E, D),
    E=suspension(_, active, _, _),
    !.
indexed_argument(A, B) :-
    E=suspension(C, active, A, B),
    'chr gen_id'(C),
    nb_getval('$chr_store_multi_hash_chr_translate____indexed_argument___2-1',
              D),
    insert_ht(D, A, E),
    nb_getval('$chr_store_multi_hash_chr_translate____indexed_argument___2-12',
              F),
    insert_ht(F, k(A, B), E).
is_indexed_argument(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____indexed_argument___2-12',
              A),
    lookup_ht(A, k(B, C), D),
    member(E, D),
    E=suspension(_, active, _, _),
    !.
is_indexed_argument(_, _) :-
    fail.
constraint_mode(A, B) :-
    constraint_mode___2__0(A, B, _).
constraint_mode___2__0(B, E, F) :-
    ( nb_getval('$chr_store_multi_hash_chr_translate____constraint_mode___2-1',
                A),
      lookup_ht(A, B, C)
    ),
    (   member(D, C),
        D=suspension(_, active, _, _, _, _),
        !
    ;   !,
        constraint_mode___2__0__0__2(C, B, E, F)
    ).
constraint_mode___2__0__0__2([], A, B, C) :-
    constraint_mode___2__1(A, B, C).
constraint_mode___2__0__0__2([A|I], C, J, K) :-
    (   A=suspension(_, active, _, _, B, _),
        B==C
    ->  ( setarg(2, A, removed),
          ( arg(4, A, D),
            (   var(D)
            ->  nb_getval('$chr_store_global_ground_chr_translate____constraint_mode___2',
                          E),
                E=[_|F],
                b_setval('$chr_store_global_ground_chr_translate____constraint_mode___2',
                         F),
                (   F=[G|_]
                ->  setarg(4, G, _)
                ;   true
                )
            ;   D=[_, _|F],
                setarg(2, D, F),
                (   F=[G|_]
                ->  setarg(4, G, D)
                ;   true
                )
            )
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____constraint_mode___2-1',
                    H),
          delete_ht(H, C, A)
        ),
        constraint_mode___2__0__0__2(I, C, J, K)
    ;   constraint_mode___2__0__0__2(I, C, J, K)
    ).
constraint_mode___2__0(A, B, C) :-
    constraint_mode___2__1(A, B, C).
constraint_mode___2__1(A, C, B) :-
    A=F/G,
    nb_getval('$chr_store_global_ground_chr_translate____types_modes_condition___3',
              E),
    !,
    B=suspension(D, not_stored_yet, t, _, A, C),
    'chr gen_id'(D),
    constraint_mode___2__1__0__7(E,
                                 A,
                                 C,
                                 B,
                                 F,
                                 G).
constraint_mode___2__1__0__7([], A, B, C, _, _) :-
    constraint_mode___2__2(A, B, C).
constraint_mode___2__1__0__7([A|C1], Q, S, K, E, F) :-
    (   ( A=suspension(_, active, _, B, C, R),
          B=[D|Z],
          C=[V|A1]
        ),
        functor(D, E, F)
    ->  ( setarg(2, A, removed),
          arg(3, A, G),
          (   var(G)
          ->  nb_getval('$chr_store_global_ground_chr_translate____types_modes_condition___3',
                        H),
              H=[_|I],
              b_setval('$chr_store_global_ground_chr_translate____types_modes_condition___3',
                       I),
              (   I=[J|_]
              ->  setarg(3, J, _)
              ;   true
              )
          ;   G=[_, _|I],
              setarg(2, G, I),
              (   I=[J|_]
              ->  setarg(3, J, G)
              ;   true
              )
          )
        ),
        ( arg(2, K, L),
          setarg(2, K, active),
          (   L==not_stored_yet
          ->  ( nb_getval('$chr_store_global_ground_chr_translate____constraint_mode___2',
                          M),
                N=[K|M],
                b_setval('$chr_store_global_ground_chr_translate____constraint_mode___2',
                         N),
                (   M=[O|_]
                ->  setarg(4, O, N)
                ;   true
                )
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____constraint_mode___2-1',
                        P),
              insert_ht(P, Q, K)
          ;   true
          )
        ),
        ( D=..[_|T],
          R=(U, Y, B1),
          modes_condition(S, T, U),
          get_constraint_type_det(E/F, W),
          V=..[_|X],
          types_condition(W, T, X, S, Y),
          types_modes_condition(Z, A1, B1)
        ),
        (   K=suspension(_, active, _, _, _, _)
        ->  setarg(2, K, inactive),
            constraint_mode___2__1__0__7(C1,
                                         Q,
                                         S,
                                         K,
                                         E,
                                         F)
        ;   true
        )
    ;   constraint_mode___2__1__0__7(C1,
                                     Q,
                                     S,
                                     K,
                                     E,
                                     F)
    ).
constraint_mode___2__1(B, C, A) :-
    A=suspension(D, not_stored_yet, t, _, B, C),
    'chr gen_id'(D),
    constraint_mode___2__2(B, C, A).
constraint_mode___2__2(B, D, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-1', A),
    lookup_ht(A, B, C),
    !,
    constraint_mode___2__2__0__8(C, B, D, E).
constraint_mode___2__2__0__8([], A, B, C) :-
    constraint_mode___2__3(A, B, C).
constraint_mode___2__2__0__8([A|H], C, I, J) :-
    (   ( A=suspension(_, active, _, _, B, _, E, F, G),
          B==C
        ),
        nb_getval('$chr_store_global_ground_chr_translate____partial_wake_analysis___0',
                  D)
    ->  constraint_mode___2__2__1__8(D,
                                     E,
                                     F,
                                     G,
                                     A,
                                     H,
                                     C,
                                     I,
                                     J)
    ;   constraint_mode___2__2__0__8(H, C, I, J)
    ).
constraint_mode___2__2__1__8([], _, _, _, _, A, B, C, D) :-
    constraint_mode___2__2__0__8(A, B, C, D).
constraint_mode___2__2__1__8([A|E], C, F, G, H, I, J, K, L) :-
    (   A=suspension(_, active, _, _),
        nb_getval('$chr_store_multi_hash_chr_translate____rule___2-1', B),
        lookup_ht(B, C, D)
    ->  constraint_mode___2__2__2__8(D,
                                     A,
                                     E,
                                     C,
                                     F,
                                     G,
                                     H,
                                     I,
                                     J,
                                     K,
                                     L)
    ;   constraint_mode___2__2__1__8(E,
                                     C,
                                     F,
                                     G,
                                     H,
                                     I,
                                     J,
                                     K,
                                     L)
    ).
constraint_mode___2__2__2__8([], _, A, B, C, D, E, F, G, H, I) :-
    constraint_mode___2__2__1__8(A,
                                 B,
                                 C,
                                 D,
                                 E,
                                 F,
                                 G,
                                 H,
                                 I).
constraint_mode___2__2__2__8([A|X], D, Y, C, O, P, E, Z, M, U, F) :-
    (   A=suspension(_, active, _, _, B, N),
        B==C,
        G=t(330, D, E, A, F),
        '$novel_production'(D, G),
        '$novel_production'(E, G),
        '$novel_production'(A, G),
        '$novel_production'(F, G)
    ->  '$extend_history'(F, G),
        ( arg(2, F, H),
          setarg(2, F, active),
          (   H==not_stored_yet
          ->  ( nb_getval('$chr_store_global_ground_chr_translate____constraint_mode___2',
                          I),
                J=[F|I],
                b_setval('$chr_store_global_ground_chr_translate____constraint_mode___2',
                         J),
                (   I=[K|_]
                ->  setarg(4, K, J)
                ;   true
                )
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____constraint_mode___2-1',
                        L),
              insert_ht(L, M, F)
          ;   true
          )
        ),
        ( N=pragma(rule(Q, W, S, _), _, _, _, _),
          (   is_passive(C, O)
          ->  true
          ;   P==simplification
          ->  select(R, Q, _),
              R=..[_|T],
              term_variables(S, V),
              partial_wake_args(T, U, V, M)
          ;   select(R, W, _),
              R=..[_|T],
              term_variables(S, V),
              partial_wake_args(T, U, V, M)
          )
        ),
        (   F=suspension(_, active, _, _, _, _)
        ->  setarg(2, F, inactive),
            constraint_mode___2__2__2__8(X,
                                         D,
                                         Y,
                                         C,
                                         O,
                                         P,
                                         E,
                                         Z,
                                         M,
                                         U,
                                         F)
        ;   true
        )
    ;   constraint_mode___2__2__2__8(X,
                                     D,
                                     Y,
                                     C,
                                     O,
                                     P,
                                     E,
                                     Z,
                                     M,
                                     U,
                                     F)
    ).
constraint_mode___2__2(A, B, C) :-
    constraint_mode___2__3(A, B, C).
constraint_mode___2__3(G, _, A) :-
    arg(2, A, B),
    setarg(2, A, active),
    (   B==not_stored_yet
    ->  ( nb_getval('$chr_store_global_ground_chr_translate____constraint_mode___2',
                    C),
          D=[A|C],
          b_setval('$chr_store_global_ground_chr_translate____constraint_mode___2',
                   D),
          (   C=[E|_]
          ->  setarg(4, E, D)
          ;   true
          )
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____constraint_mode___2-1',
                  F),
        insert_ht(F, G, A)
    ;   true
    ).
get_constraint_mode(B, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____constraint_mode___2-1',
              A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _, _, _, F),
    !,
    E=F.
get_constraint_mode(_/A, B) :-
    replicate(A, ?, B).
may_trigger(A) :-
    \+ has_active_occurrence(A),
    !,
    fail.
may_trigger(B) :-
    nb_getval('$chr_store_multi_hash_chr_translate____constraint_mode___2-1',
              A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _, _, _, I),
    nb_getval('$chr_store_multi_hash_chr_translate____indexed_argument___2-1',
              E),
    lookup_ht(E, B, F),
    member(G, F),
    G=suspension(_, active, _, H),
    nth1(H, I, J),
    J\==(+),
    !,
    is_stored(B).
may_trigger(_) :-
    chr_pp_flag(debugable, on).
only_ground_indexed_arguments(B) :-
    nb_getval('$chr_store_multi_hash_chr_translate____constraint_mode___2-1',
              A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _, _, _, I),
    nb_getval('$chr_store_multi_hash_chr_translate____indexed_argument___2-1',
              E),
    lookup_ht(E, B, F),
    member(G, F),
    G=suspension(_, active, _, H),
    nth1(H, I, J),
    J\==(+),
    !,
    fail.
only_ground_indexed_arguments(_).
none_suspended_on_variables :-
    nb_getval('$chr_store_global_ground_chr_translate____none_suspended_on_variables___0',
              A),
    member(B, A),
    B=suspension(_, active, _),
    !.
none_suspended_on_variables :-
    B=suspension(A, active, _),
    'chr gen_id'(A),
    nb_getval('$chr_store_global_ground_chr_translate____none_suspended_on_variables___0',
              C),
    D=[B|C],
    b_setval('$chr_store_global_ground_chr_translate____none_suspended_on_variables___0',
             D),
    (   C=[E|_]
    ->  setarg(3, E, D)
    ;   true
    ).
are_none_suspended_on_variables :-
    nb_getval('$chr_store_global_ground_chr_translate____none_suspended_on_variables___0',
              A),
    member(B, A),
    B=suspension(_, active, _),
    !.
are_none_suspended_on_variables :-
    fail.
store_type(A, B) :-
    store_type___2__0(A, B, _).
store_type___2__0(B, C, A) :-
    chr_pp_flag(verbose, on),
    !,
    A=suspension(D, active, B, C),
    'chr gen_id'(D),
    nb_getval('$chr_store_multi_hash_chr_translate____store_type___2-1', E),
    insert_ht(E, B, A),
    format('The indexes for ~w are:\n', [B]),
    format_storetype(C),
    (   A=suspension(_, active, _, _)
    ->  setarg(2, A, inactive),
        store_type___2__1(B, C, A)
    ;   true
    ).
store_type___2__0(B, C, A) :-
    A=suspension(D, not_stored_yet, B, C),
    'chr gen_id'(D),
    store_type___2__1(B, C, A).
store_type___2__1(B, _, J) :-
    nb_getval('$chr_store_multi_hash_chr_translate____validate_store_type_assumption___1-1',
              A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _),
    nb_getval('$chr_store_multi_hash_chr_translate____actual_store_types___2-1',
              E),
    lookup_ht(E, B, F),
    member(G, F),
    G=suspension(_, active, _, M),
    !,
    setarg(2, D, removed),
    nb_getval('$chr_store_multi_hash_chr_translate____validate_store_type_assumption___1-1',
              H),
    delete_ht(H, B, D),
    setarg(2, G, removed),
    nb_getval('$chr_store_multi_hash_chr_translate____actual_store_types___2-1',
              I),
    delete_ht(I, B, G),
    (   var(J)
    ->  true
    ;   arg(2, J, K),
        setarg(2, J, removed),
        (   K==not_stored_yet
        ->  true
        ;   nb_getval('$chr_store_multi_hash_chr_translate____store_type___2-1',
                      L),
            delete_ht(L, B, J)
        )
    ),
    store_type(B, multi_store(M)).
store_type___2__1(D, _, A) :-
    arg(2, A, B),
    setarg(2, A, active),
    (   B==not_stored_yet
    ->  nb_getval('$chr_store_multi_hash_chr_translate____store_type___2-1',
                  C),
        insert_ht(C, D, A)
    ;   true
    ).
get_store_type(B, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____store_type___2-1', A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _, F),
    !,
    E=F.
get_store_type(B, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____assumed_store_type___2-1',
              A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _, F),
    !,
    E=F.
get_store_type(_, default).
update_store_type(B, E) :-
    ( nb_getval('$chr_store_multi_hash_chr_translate____actual_store_types___2-1',
                A),
      lookup_ht(A, B, C),
      member(D, C),
      D=suspension(_, active, _, F)
    ),
    (   memberchk(E, F),
        !
    ;   !,
        setarg(2, D, removed),
        nb_getval('$chr_store_multi_hash_chr_translate____actual_store_types___2-1',
                  G),
        delete_ht(G, B, D),
        actual_store_types(B, [E|F])
    ).
update_store_type(A, B) :-
    actual_store_types(A, [B]).
actual_store_types(B, K) :-
    nb_getval('$chr_store_multi_hash_chr_translate____actual_atomic_multi_hash_keys___3-1',
              A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _, I, P),
    nb_getval('$chr_store_multi_hash_chr_translate____validate_store_type_assumption___1-1',
              E),
    lookup_ht(E, B, F),
    member(G, F),
    G=suspension(_, active, _),
    !,
    setarg(2, D, removed),
    nb_getval('$chr_store_multi_hash_chr_translate____actual_atomic_multi_hash_keys___3-12',
              H),
    delete_ht(H, k(B, I), D),
    nb_getval('$chr_store_multi_hash_chr_translate____actual_atomic_multi_hash_keys___3-1',
              J),
    delete_ht(J, B, D),
    selectchk(multi_hash([I]), K, R),
    I=[L],
    (   get_constraint_arg_type(B, L, M),
        enumerated_atomic_type(M, N)
    ->  O=N,
        Q=complete
    ;   O=P,
        Q=incomplete
    ),
    actual_store_types(B,
                       [atomic_constants(I, O, Q)|R]).
actual_store_types(B, P) :-
    nb_getval('$chr_store_multi_hash_chr_translate____actual_ground_multi_hash_keys___3-1',
              A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _, I, N),
    nb_getval('$chr_store_multi_hash_chr_translate____validate_store_type_assumption___1-1',
              E),
    lookup_ht(E, B, F),
    member(G, F),
    G=suspension(_, active, _),
    !,
    setarg(2, D, removed),
    nb_getval('$chr_store_multi_hash_chr_translate____actual_ground_multi_hash_keys___3-12',
              H),
    delete_ht(H, k(B, I), D),
    nb_getval('$chr_store_multi_hash_chr_translate____actual_ground_multi_hash_keys___3-1',
              J),
    delete_ht(J, B, D),
    (   I=[K],
        get_constraint_arg_type(B, K, L),
        L=chr_enum(M)
    ->  O=complete
    ;   M=N,
        O=incomplete
    ),
    selectchk(multi_hash([I]), P, Q),
    actual_store_types(B,
                       [ground_constants(I, M, O)|Q]).
actual_store_types(B, E) :-
    ( nb_getval('$chr_store_multi_hash_chr_translate____validate_store_type_assumption___1-1',
                A),
      lookup_ht(A, B, C),
      member(D, C),
      D=suspension(_, active, _)
    ),
    (   (   memberchk(multi_hash([[F]]), E),
            (   get_constraint_type(B, G),
                nth1(F, G, H),
                enumerated_atomic_type(H, I),
                !,
                selectchk(multi_hash([[F]]), E, J),
                actual_store_types(B,
                                   [ atomic_constants([F],
                                                      I,
                                                      complete)
                                   | J
                                   ])
            ;   get_constraint_arg_type(B, F, K),
                K=chr_enum(L),
                !,
                selectchk(multi_hash([[F]]), E, M),
                actual_store_types(B,
                                   [ ground_constants([F],
                                                      L,
                                                      complete)
                                   | M
                                   ])
            )
        ;   nb_getval('$chr_store_multi_hash_chr_translate____assumed_store_type___2-1',
                      N),
            lookup_ht(N, B, O),
            member(P, O),
            P=suspension(_, active, _, _),
            !,
            setarg(2, D, removed),
            nb_getval('$chr_store_multi_hash_chr_translate____validate_store_type_assumption___1-1',
                      Q),
            delete_ht(Q, B, D),
            setarg(2, P, removed),
            nb_getval('$chr_store_multi_hash_chr_translate____assumed_store_type___2-1',
                      R),
            delete_ht(R, B, P),
            (   maplist(partial_store, E)
            ->  S=[global_ground|E]
            ;   S=E
            ),
            store_type(B, multi_store(S))
        )
    ;   nb_getval('$chr_store_multi_hash_chr_translate____store_type___2-1',
                  T),
        lookup_ht(T, B, U),
        member(V, U),
        V=suspension(_, active, _, _),
        !,
        setarg(2, D, removed),
        nb_getval('$chr_store_multi_hash_chr_translate____validate_store_type_assumption___1-1',
                  W),
        delete_ht(W, B, D),
        setarg(2, V, removed),
        nb_getval('$chr_store_multi_hash_chr_translate____store_type___2-1',
                  X),
        delete_ht(X, B, V),
        store_type(B, multi_store(E))
    ).
actual_store_types(A, B) :-
    E=suspension(C, active, A, B),
    'chr gen_id'(C),
    nb_getval('$chr_store_multi_hash_chr_translate____actual_store_types___2-1',
              D),
    insert_ht(D, A, E).
assumed_store_type(B, _) :-
    ( nb_getval('$chr_store_multi_hash_chr_translate____validate_store_type_assumption___1-1',
                A),
      lookup_ht(A, B, C),
      member(D, C),
      D=suspension(_, active, _)
    ),
    (   (   nb_getval('$chr_store_multi_hash_chr_translate____actual_store_types___2-1',
                      E),
            lookup_ht(E, B, F),
            member(G, F),
            G=suspension(_, active, _, J),
            !,
            setarg(2, D, removed),
            nb_getval('$chr_store_multi_hash_chr_translate____validate_store_type_assumption___1-1',
                      H),
            delete_ht(H, B, D),
            setarg(2, G, removed),
            nb_getval('$chr_store_multi_hash_chr_translate____actual_store_types___2-1',
                      I),
            delete_ht(I, B, G),
            (   maplist(partial_store, J)
            ->  K=[global_ground|J]
            ;   K=J
            ),
            store_type(B, multi_store(K))
        ;   chr_pp_flag(debugable, on),
            !,
            setarg(2, D, removed),
            nb_getval('$chr_store_multi_hash_chr_translate____validate_store_type_assumption___1-1',
                      L),
            delete_ht(L, B, D),
            store_type(B, default)
        )
    ;   !,
        setarg(2, D, removed),
        nb_getval('$chr_store_multi_hash_chr_translate____validate_store_type_assumption___1-1',
                  M),
        delete_ht(M, B, D),
        store_type(B, global_ground)
    ).
assumed_store_type(A, B) :-
    E=suspension(C, active, A, B),
    'chr gen_id'(C),
    nb_getval('$chr_store_multi_hash_chr_translate____assumed_store_type___2-1',
              D),
    insert_ht(D, A, E).
validate_store_type_assumption(A) :-
    validate_store_type_assumption___1__0(A, _).
validate_store_type_assumption___1__0(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____actual_store_types___2-1',
              A),
    lookup_ht(A, B, E),
    !,
    C=suspension(D, not_stored_yet, B),
    'chr gen_id'(D),
    validate_store_type_assumption___1__0__0__1(E, B, C).
validate_store_type_assumption___1__0__0__1([], A, B) :-
    validate_store_type_assumption___1__1(A, B).
validate_store_type_assumption___1__0__0__1([A|V], C, K) :-
    (   ( A=suspension(_, active, B, N),
          B==C
        ),
        ( ground(C),
          nb_getval('$chr_store_multi_hash_chr_translate____actual_atomic_multi_hash_keys___3-1',
                    D),
          lookup_ht(D, C, E)
        ),
        member(F, E),
        F=suspension(_, active, _, I, S)
    ->  ( ( setarg(2, A, removed),
            nb_getval('$chr_store_multi_hash_chr_translate____actual_store_types___2-1',
                      G),
            delete_ht(G, C, A)
          ),
          setarg(2, F, removed),
          ( nb_getval('$chr_store_multi_hash_chr_translate____actual_atomic_multi_hash_keys___3-12',
                      H),
            delete_ht(H, k(C, I), F)
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____actual_atomic_multi_hash_keys___3-1',
                    J),
          delete_ht(J, C, F)
        ),
        ( arg(2, K, L),
          setarg(2, K, active),
          (   L==not_stored_yet
          ->  nb_getval('$chr_store_multi_hash_chr_translate____validate_store_type_assumption___1-1',
                        M),
              insert_ht(M, C, K)
          ;   true
          )
        ),
        ( selectchk(multi_hash([I]), N, U),
          I=[O],
          (   get_constraint_arg_type(C, O, P),
              enumerated_atomic_type(P, Q)
          ->  R=Q,
              T=complete
          ;   R=S,
              T=incomplete
          ),
          actual_store_types(C,
                             [ atomic_constants(I, R, T)
                             | U
                             ])
        ),
        (   K=suspension(_, active, _)
        ->  setarg(2, K, inactive),
            validate_store_type_assumption___1__0__0__1(V,
                                                        C,
                                                        K)
        ;   true
        )
    ;   validate_store_type_assumption___1__0__0__1(V, C, K)
    ).
validate_store_type_assumption___1__0(B, A) :-
    A=suspension(C, not_stored_yet, B),
    'chr gen_id'(C),
    validate_store_type_assumption___1__1(B, A).
validate_store_type_assumption___1__1(B, D) :-
    nb_getval('$chr_store_multi_hash_chr_translate____actual_store_types___2-1',
              A),
    lookup_ht(A, B, C),
    !,
    validate_store_type_assumption___1__1__0__2(C, B, D).
validate_store_type_assumption___1__1__0__2([], A, B) :-
    validate_store_type_assumption___1__2(A, B).
validate_store_type_assumption___1__1__0__2([A|U], C, K) :-
    (   ( A=suspension(_, active, B, S),
          B==C
        ),
        ( ground(C),
          nb_getval('$chr_store_multi_hash_chr_translate____actual_ground_multi_hash_keys___3-1',
                    D),
          lookup_ht(D, C, E)
        ),
        member(F, E),
        F=suspension(_, active, _, I, Q)
    ->  ( ( setarg(2, A, removed),
            nb_getval('$chr_store_multi_hash_chr_translate____actual_store_types___2-1',
                      G),
            delete_ht(G, C, A)
          ),
          setarg(2, F, removed),
          ( nb_getval('$chr_store_multi_hash_chr_translate____actual_ground_multi_hash_keys___3-12',
                      H),
            delete_ht(H, k(C, I), F)
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____actual_ground_multi_hash_keys___3-1',
                    J),
          delete_ht(J, C, F)
        ),
        ( arg(2, K, L),
          setarg(2, K, active),
          (   L==not_stored_yet
          ->  nb_getval('$chr_store_multi_hash_chr_translate____validate_store_type_assumption___1-1',
                        M),
              insert_ht(M, C, K)
          ;   true
          )
        ),
        ( (   I=[N],
              get_constraint_arg_type(C, N, O),
              O=chr_enum(P)
          ->  R=complete
          ;   P=Q,
              R=incomplete
          ),
          selectchk(multi_hash([I]), S, T),
          actual_store_types(C,
                             [ ground_constants(I, P, R)
                             | T
                             ])
        ),
        (   K=suspension(_, active, _)
        ->  setarg(2, K, inactive),
            validate_store_type_assumption___1__1__0__2(U,
                                                        C,
                                                        K)
        ;   true
        )
    ;   validate_store_type_assumption___1__1__0__2(U, C, K)
    ).
validate_store_type_assumption___1__1(A, B) :-
    validate_store_type_assumption___1__2(A, B).
validate_store_type_assumption___1__2(B, D) :-
    nb_getval('$chr_store_multi_hash_chr_translate____actual_store_types___2-1',
              A),
    lookup_ht(A, B, C),
    !,
    validate_store_type_assumption___1__2__0__3(C, B, D).
validate_store_type_assumption___1__2__0__3([], A, B) :-
    validate_store_type_assumption___1__3(A, B).
validate_store_type_assumption___1__2__0__3([A|N], C, I) :-
    (   ( A=suspension(_, active, B, D),
          B==C
        ),
        memberchk(multi_hash([[E]]), D),
        get_constraint_type(C, F),
        nth1(E, F, G),
        enumerated_atomic_type(G, L)
    ->  ( setarg(2, A, removed),
          nb_getval('$chr_store_multi_hash_chr_translate____actual_store_types___2-1',
                    H),
          delete_ht(H, C, A)
        ),
        ( arg(2, I, J),
          setarg(2, I, active),
          (   J==not_stored_yet
          ->  nb_getval('$chr_store_multi_hash_chr_translate____validate_store_type_assumption___1-1',
                        K),
              insert_ht(K, C, I)
          ;   true
          )
        ),
        ( selectchk(multi_hash([[E]]), D, M),
          actual_store_types(C,
                             [ atomic_constants([E], L, complete)
                             | M
                             ])
        ),
        (   I=suspension(_, active, _)
        ->  setarg(2, I, inactive),
            validate_store_type_assumption___1__2__0__3(N,
                                                        C,
                                                        I)
        ;   true
        )
    ;   validate_store_type_assumption___1__2__0__3(N, C, I)
    ).
validate_store_type_assumption___1__2(A, B) :-
    validate_store_type_assumption___1__3(A, B).
validate_store_type_assumption___1__3(B, D) :-
    nb_getval('$chr_store_multi_hash_chr_translate____actual_store_types___2-1',
              A),
    lookup_ht(A, B, C),
    !,
    validate_store_type_assumption___1__3__0__4(C, B, D).
validate_store_type_assumption___1__3__0__4([], A, B) :-
    validate_store_type_assumption___1__4(A, B).
validate_store_type_assumption___1__3__0__4([A|M], C, H) :-
    (   ( A=suspension(_, active, B, D),
          B==C
        ),
        memberchk(multi_hash([[E]]), D),
        get_constraint_arg_type(C, E, F),
        F=chr_enum(K)
    ->  ( setarg(2, A, removed),
          nb_getval('$chr_store_multi_hash_chr_translate____actual_store_types___2-1',
                    G),
          delete_ht(G, C, A)
        ),
        ( arg(2, H, I),
          setarg(2, H, active),
          (   I==not_stored_yet
          ->  nb_getval('$chr_store_multi_hash_chr_translate____validate_store_type_assumption___1-1',
                        J),
              insert_ht(J, C, H)
          ;   true
          )
        ),
        ( selectchk(multi_hash([[E]]), D, L),
          actual_store_types(C,
                             [ ground_constants([E], K, complete)
                             | L
                             ])
        ),
        (   H=suspension(_, active, _)
        ->  setarg(2, H, inactive),
            validate_store_type_assumption___1__3__0__4(M,
                                                        C,
                                                        H)
        ;   true
        )
    ;   validate_store_type_assumption___1__3__0__4(M, C, H)
    ).
validate_store_type_assumption___1__3(A, B) :-
    validate_store_type_assumption___1__4(A, B).
validate_store_type_assumption___1__4(B, J) :-
    ( nb_getval('$chr_store_multi_hash_chr_translate____actual_store_types___2-1',
                A),
      lookup_ht(A, B, C),
      member(D, C),
      D=suspension(_, active, _, M)
    ),
    (   nb_getval('$chr_store_multi_hash_chr_translate____assumed_store_type___2-1',
                  E),
        lookup_ht(E, B, F),
        member(G, F),
        G=suspension(_, active, _, _),
        !,
        setarg(2, D, removed),
        nb_getval('$chr_store_multi_hash_chr_translate____actual_store_types___2-1',
                  H),
        delete_ht(H, B, D),
        setarg(2, G, removed),
        nb_getval('$chr_store_multi_hash_chr_translate____assumed_store_type___2-1',
                  I),
        delete_ht(I, B, G),
        (   var(J)
        ->  true
        ;   arg(2, J, K),
            setarg(2, J, removed),
            (   K==not_stored_yet
            ->  true
            ;   nb_getval('$chr_store_multi_hash_chr_translate____validate_store_type_assumption___1-1',
                          L),
                delete_ht(L, B, J)
            )
        ),
        (   maplist(partial_store, M)
        ->  N=[global_ground|M]
        ;   N=M
        ),
        store_type(B, multi_store(N))
    ;   nb_getval('$chr_store_multi_hash_chr_translate____store_type___2-1',
                  O),
        lookup_ht(O, B, P),
        member(Q, P),
        Q=suspension(_, active, _, _),
        !,
        setarg(2, D, removed),
        nb_getval('$chr_store_multi_hash_chr_translate____actual_store_types___2-1',
                  R),
        delete_ht(R, B, D),
        setarg(2, Q, removed),
        nb_getval('$chr_store_multi_hash_chr_translate____store_type___2-1',
                  S),
        delete_ht(S, B, Q),
        (   var(J)
        ->  true
        ;   arg(2, J, T),
            setarg(2, J, removed),
            (   T==not_stored_yet
            ->  true
            ;   nb_getval('$chr_store_multi_hash_chr_translate____validate_store_type_assumption___1-1',
                          U),
                delete_ht(U, B, J)
            )
        ),
        store_type(B, multi_store(M))
    ).
validate_store_type_assumption___1__4(B, F) :-
    ( nb_getval('$chr_store_multi_hash_chr_translate____assumed_store_type___2-1',
                A),
      lookup_ht(A, B, C),
      member(D, C),
      D=suspension(_, active, _, _)
    ),
    (   chr_pp_flag(debugable, on),
        !,
        setarg(2, D, removed),
        nb_getval('$chr_store_multi_hash_chr_translate____assumed_store_type___2-1',
                  E),
        delete_ht(E, B, D),
        (   var(F)
        ->  true
        ;   arg(2, F, G),
            setarg(2, F, removed),
            (   G==not_stored_yet
            ->  true
            ;   nb_getval('$chr_store_multi_hash_chr_translate____validate_store_type_assumption___1-1',
                          H),
                delete_ht(H, B, F)
            )
        ),
        store_type(B, default)
    ;   !,
        setarg(2, D, removed),
        nb_getval('$chr_store_multi_hash_chr_translate____assumed_store_type___2-1',
                  I),
        delete_ht(I, B, D),
        (   var(F)
        ->  true
        ;   arg(2, F, J),
            setarg(2, F, removed),
            (   J==not_stored_yet
            ->  true
            ;   nb_getval('$chr_store_multi_hash_chr_translate____validate_store_type_assumption___1-1',
                          K),
                delete_ht(K, B, F)
            )
        ),
        store_type(B, global_ground)
    ).
validate_store_type_assumption___1__4(D, A) :-
    (   var(A)
    ->  true
    ;   arg(2, A, B),
        setarg(2, A, removed),
        (   B==not_stored_yet
        ->  true
        ;   nb_getval('$chr_store_multi_hash_chr_translate____validate_store_type_assumption___1-1',
                      C),
            delete_ht(C, D, A)
        )
    ).
rule_count(C) :-
    nb_getval('$chr_store_global_ground_chr_translate____rule_count___1',
              A),
    (   member(B, A),
        B=suspension(_, active, _, _),
        !
    ;   !,
        rule_count___1__0__0__2(A, C)
    ).
rule_count___1__0__0__2([], A) :-
    rule_count___1__1(A).
rule_count___1__0__0__2([A|F], G) :-
    (   A=suspension(_, active, _, _)
    ->  ( setarg(2, A, removed),
          arg(3, A, B),
          (   var(B)
          ->  nb_getval('$chr_store_global_ground_chr_translate____rule_count___1',
                        C),
              C=[_|D],
              b_setval('$chr_store_global_ground_chr_translate____rule_count___1',
                       D),
              (   D=[E|_]
              ->  setarg(3, E, _)
              ;   true
              )
          ;   B=[_, _|D],
              setarg(2, B, D),
              (   D=[E|_]
              ->  setarg(3, E, B)
              ;   true
              )
          )
        ),
        rule_count___1__0__0__2(F, G)
    ;   rule_count___1__0__0__2(F, G)
    ).
rule_count(A) :-
    rule_count___1__1(A).
rule_count___1__1(A) :-
    C=suspension(B, active, _, A),
    'chr gen_id'(B),
    nb_getval('$chr_store_global_ground_chr_translate____rule_count___1',
              D),
    E=[C|D],
    b_setval('$chr_store_global_ground_chr_translate____rule_count___1', E),
    (   D=[F|_]
    ->  setarg(3, F, E)
    ;   true
    ).
inc_rule_count(G) :-
    nb_getval('$chr_store_global_ground_chr_translate____rule_count___1',
              A),
    member(B, A),
    B=suspension(_, active, _, H),
    !,
    setarg(2, B, removed),
    arg(3, B, C),
    (   var(C)
    ->  nb_getval('$chr_store_global_ground_chr_translate____rule_count___1',
                  D),
        D=[_|E],
        b_setval('$chr_store_global_ground_chr_translate____rule_count___1',
                 E),
        (   E=[F|_]
        ->  setarg(3, F, _)
        ;   true
        )
    ;   C=[_, _|E],
        setarg(2, C, E),
        (   E=[F|_]
        ->  setarg(3, F, C)
        ;   true
        )
    ),
    G is H+1,
    rule_count(G).
inc_rule_count(1) :-
    rule_count(1).
passive(A, B) :-
    passive___2__0(A, B, _).
passive___2__0(B, C, _) :-
    nb_getval('$chr_store_multi_hash_chr_translate____passive___2-12', A),
    lookup_ht(A, k(B, C), D),
    member(E, D),
    E=suspension(_, active, _, _, _),
    !.
passive___2__0(B, D, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____least_occurrence___2-1',
              A),
    lookup_ht(A, B, F),
    !,
    C=suspension(E, not_stored_yet, t, B, D),
    'chr gen_id'(E),
    passive___2__0__0__6(F, B, D, C).
passive___2__0__0__6([], A, B, C) :-
    passive___2__1(A, B, C).
passive___2__0__0__6([A|Q], C, F, M) :-
    (   ( A=suspension(_, active, B, D),
          B==C,
          D=[E|K],
          E==F
        ),
        ( ground(C),
          nb_getval('$chr_store_multi_hash_chr_translate____rule___2-1', G),
          lookup_ht(G, C, H)
        ),
        member(I, H),
        I=suspension(_, active, _, _, _, _)
    ->  ( setarg(2, A, removed),
          ( nb_getval('$chr_store_multi_hash_chr_translate____least_occurrence___2-12',
                      J),
            delete_ht(J, k(C, [F|K]), A)
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____least_occurrence___2-1',
                    L),
          delete_ht(L, C, A)
        ),
        ( arg(2, M, N),
          setarg(2, M, active),
          (   N==not_stored_yet
          ->  ( nb_getval('$chr_store_multi_hash_chr_translate____passive___2-1',
                          O),
                insert_ht(O, C, M)
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____passive___2-12',
                        P),
              insert_ht(P, k(C, F), M)
          ;   true
          )
        ),
        least_occurrence(C, K),
        (   M=suspension(_, active, _, _, _)
        ->  setarg(2, M, inactive),
            passive___2__0__0__6(Q, C, F, M)
        ;   true
        )
    ;   passive___2__0__0__6(Q, C, F, M)
    ).
passive___2__0(B, C, A) :-
    A=suspension(D, not_stored_yet, t, B, C),
    'chr gen_id'(D),
    passive___2__1(B, C, A).
passive___2__1(B, C, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-34',
              A),
    lookup_ht(A, k(B, C), D),
    !,
    passive___2__1__0__8(D, B, C, E).
passive___2__1__0__8([], A, B, C) :-
    passive___2__2(A, B, C).
passive___2__1__0__8([A|J], C, E, K) :-
    (   ( A=suspension(_, active, _, _, G, I, B, D, _),
          B==C,
          D==E
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____stored_complete___3-1',
                  F),
        lookup_ht(F, G, H)
    ->  passive___2__1__1__8(H,
                             G,
                             I,
                             A,
                             J,
                             C,
                             E,
                             K)
    ;   passive___2__1__0__8(J, C, E, K)
    ).
passive___2__1__1__8([], _, _, _, A, B, C, D) :-
    passive___2__1__0__8(A, B, C, D).
passive___2__1__1__8([A|U], C, D, V, W, Q, S, N) :-
    (   ( A=suspension(_, active, _, B, E, J),
          B==C
        ),
        D<E,
        ( ( ground(C),
            ground(D)
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____stored___3-123',
                    F),
          lookup_ht(F, k(C, D, yes), G)
        ),
        member(H, G),
        H=suspension(_, active, _, _, _)
    ->  ( ( setarg(2, A, removed),
            ( nb_getval('$chr_store_multi_hash_chr_translate____stored_complete___3-13',
                        I),
              delete_ht(I, k(C, J), A)
            ),
            nb_getval('$chr_store_multi_hash_chr_translate____stored_complete___3-1',
                      K),
            delete_ht(K, C, A)
          ),
          setarg(2, H, removed),
          ( nb_getval('$chr_store_multi_hash_chr_translate____stored___3-13',
                      L),
            delete_ht(L, k(C, yes), H)
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____stored___3-123',
                    M),
          delete_ht(M, k(C, D, yes), H)
        ),
        ( arg(2, N, O),
          setarg(2, N, active),
          (   O==not_stored_yet
          ->  ( nb_getval('$chr_store_multi_hash_chr_translate____passive___2-1',
                          P),
                insert_ht(P, Q, N)
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____passive___2-12',
                        R),
              insert_ht(R, k(Q, S), N)
          ;   true
          )
        ),
        ( T is J-1,
          stored(C, D, maybe),
          stored_complete(C, E, T)
        ),
        (   N=suspension(_, active, _, _, _)
        ->  setarg(2, N, inactive),
            passive___2__1__1__8(U,
                                 C,
                                 D,
                                 V,
                                 W,
                                 Q,
                                 S,
                                 N)
        ;   true
        )
    ;   passive___2__1__1__8(U,
                             C,
                             D,
                             V,
                             W,
                             Q,
                             S,
                             N)
    ).
passive___2__1(A, B, C) :-
    passive___2__2(A, B, C).
passive___2__2(B, D, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____rule___2-1', A),
    lookup_ht(A, B, C),
    !,
    passive___2__2__0__9(C, B, D, E).
passive___2__2__0__9([], A, B, C) :-
    passive___2__3(A, B, C).
passive___2__2__0__9([A|N], C, G, D) :-
    (   A=suspension(_, active, _, _, B, F),
        B==C,
        ( E=t(251, A, D),
          '$novel_production'(A, E),
          '$novel_production'(D, E)
        ),
        F=pragma(rule(_, _, _, _), ids([G|K], L), _, _, C)
    ->  '$extend_history'(D, E),
        ( arg(2, D, H),
          setarg(2, D, active),
          (   H==not_stored_yet
          ->  ( nb_getval('$chr_store_multi_hash_chr_translate____passive___2-1',
                          I),
                insert_ht(I, C, D)
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____passive___2-12',
                        J),
              insert_ht(J, k(C, G), D)
          ;   true
          )
        ),
        ( append(K, L, M),
          check_all_passive(C, M)
        ),
        (   D=suspension(_, active, _, _, _)
        ->  setarg(2, D, inactive),
            passive___2__2__0__9(N, C, G, D)
        ;   true
        )
    ;   passive___2__2__0__9(N, C, G, D)
    ).
passive___2__2(A, B, C) :-
    passive___2__3(A, B, C).
passive___2__3(B, D, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____rule___2-1', A),
    lookup_ht(A, B, C),
    !,
    passive___2__3__0__10(C, B, D, E).
passive___2__3__0__10([], A, B, C) :-
    passive___2__4(A, B, C).
passive___2__3__0__10([A|L], C, G, D) :-
    (   A=suspension(_, active, _, _, B, F),
        B==C,
        ( E=t(252, A, D),
          '$novel_production'(A, E),
          '$novel_production'(D, E)
        ),
        F=pragma(rule(_, _, _, _), ids([], [G|K]), _, _, C)
    ->  '$extend_history'(D, E),
        ( arg(2, D, H),
          setarg(2, D, active),
          (   H==not_stored_yet
          ->  ( nb_getval('$chr_store_multi_hash_chr_translate____passive___2-1',
                          I),
                insert_ht(I, C, D)
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____passive___2-12',
                        J),
              insert_ht(J, k(C, G), D)
          ;   true
          )
        ),
        check_all_passive(C, K),
        (   D=suspension(_, active, _, _, _)
        ->  setarg(2, D, inactive),
            passive___2__3__0__10(L, C, G, D)
        ;   true
        )
    ;   passive___2__3__0__10(L, C, G, D)
    ).
passive___2__3(A, B, C) :-
    passive___2__4(A, B, C).
passive___2__4(B, D, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____check_all_passive___2-1',
              A),
    lookup_ht(A, B, C),
    !,
    passive___2__4__0__11(C, B, D, E).
passive___2__4__0__11([], A, B, C) :-
    passive___2__5(A, B, C).
passive___2__4__0__11([A|N], C, F, J) :-
    (   A=suspension(_, active, B, D),
        B==C,
        D=[E|H],
        E==F
    ->  ( setarg(2, A, removed),
          ( nb_getval('$chr_store_multi_hash_chr_translate____check_all_passive___2-12',
                      G),
            delete_ht(G, k(C, [F|H]), A)
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____check_all_passive___2-1',
                    I),
          delete_ht(I, C, A)
        ),
        ( arg(2, J, K),
          setarg(2, J, active),
          (   K==not_stored_yet
          ->  ( nb_getval('$chr_store_multi_hash_chr_translate____passive___2-1',
                          L),
                insert_ht(L, C, J)
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____passive___2-12',
                        M),
              insert_ht(M, k(C, F), J)
          ;   true
          )
        ),
        check_all_passive(C, H),
        (   J=suspension(_, active, _, _, _)
        ->  setarg(2, J, inactive),
            passive___2__4__0__11(N, C, F, J)
        ;   true
        )
    ;   passive___2__4__0__11(N, C, F, J)
    ).
passive___2__4(A, B, C) :-
    passive___2__5(A, B, C).
passive___2__5(B, C, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-34',
              A),
    lookup_ht(A, k(B, C), D),
    !,
    passive___2__5__0__14(D, B, C, E).
passive___2__5__0__14([], A, B, C) :-
    passive___2__6(A, B, C).
passive___2__5__0__14([A|J], C, E, K) :-
    (   ( A=suspension(_, active, _, _, G, H, B, D, _),
          B==C,
          D==E
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____skip_to_next_id___2-12',
                  F),
        lookup_ht(F, k(G, H), I)
    ->  passive___2__5__1__14(I,
                              G,
                              H,
                              A,
                              J,
                              C,
                              E,
                              K)
    ;   passive___2__5__0__14(J, C, E, K)
    ).
passive___2__5__1__14([], _, _, _, A, B, C, D) :-
    passive___2__5__0__14(A, B, C, D).
passive___2__5__1__14([A|O], C, E, F, P, K, M, G) :-
    (   A=suspension(_, active, _, B, D),
        ( B==C,
          D==E
        ),
        ( H=t(362, F, G, A),
          '$novel_production'(F, H),
          '$novel_production'(G, H),
          '$novel_production'(A, H)
        ),
        E>1
    ->  '$extend_history'(G, H),
        ( arg(2, G, I),
          setarg(2, G, active),
          (   I==not_stored_yet
          ->  ( nb_getval('$chr_store_multi_hash_chr_translate____passive___2-1',
                          J),
                insert_ht(J, K, G)
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____passive___2-12',
                        L),
              insert_ht(L, k(K, M), G)
          ;   true
          )
        ),
        ( N is E-1,
          skip_to_next_id(C, N)
        ),
        (   G=suspension(_, active, _, _, _)
        ->  setarg(2, G, inactive),
            passive___2__5__1__14(O,
                                  C,
                                  E,
                                  F,
                                  P,
                                  K,
                                  M,
                                  G)
        ;   true
        )
    ;   passive___2__5__1__14(O,
                              C,
                              E,
                              F,
                              P,
                              K,
                              M,
                              G)
    ).
passive___2__5(A, B, C) :-
    passive___2__6(A, B, C).
passive___2__6(B, C, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-34',
              A),
    lookup_ht(A, k(B, C), D),
    !,
    passive___2__6__0__15(D, B, C, E).
passive___2__6__0__15([], A, B, C) :-
    passive___2__7(A, B, C).
passive___2__6__0__15([A|J], C, E, K) :-
    (   ( A=suspension(_, active, _, _, G, H, B, D, _),
          B==C,
          D==E
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____set_occurrence_code_id___3-12',
                  F),
        lookup_ht(F, k(G, H), I)
    ->  passive___2__6__1__15(I,
                              G,
                              H,
                              A,
                              J,
                              C,
                              E,
                              K)
    ;   passive___2__6__0__15(J, C, E, K)
    ).
passive___2__6__1__15([], _, _, _, A, B, C, D) :-
    passive___2__6__0__15(A, B, C, D).
passive___2__6__1__15([A|O], C, E, P, Q, J, L, G) :-
    (   A=suspension(_, active, B, D, M),
        B==C,
        D==E
    ->  ( setarg(2, A, removed),
          nb_getval('$chr_store_multi_hash_chr_translate____set_occurrence_code_id___3-12',
                    F),
          delete_ht(F, k(C, E), A)
        ),
        ( arg(2, G, H),
          setarg(2, G, active),
          (   H==not_stored_yet
          ->  ( nb_getval('$chr_store_multi_hash_chr_translate____passive___2-1',
                          I),
                insert_ht(I, J, G)
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____passive___2-12',
                        K),
              insert_ht(K, k(J, L), G)
          ;   true
          )
        ),
        ( occurrence_code_id(C, E, M),
          N is E+1,
          set_occurrence_code_id(C, N, M)
        ),
        (   G=suspension(_, active, _, _, _)
        ->  setarg(2, G, inactive),
            passive___2__6__1__15(O,
                                  C,
                                  E,
                                  P,
                                  Q,
                                  J,
                                  L,
                                  G)
        ;   true
        )
    ;   passive___2__6__1__15(O,
                              C,
                              E,
                              P,
                              Q,
                              J,
                              L,
                              G)
    ).
passive___2__6(A, B, C) :-
    passive___2__7(A, B, C).
passive___2__7(D, F, A) :-
    arg(2, A, B),
    setarg(2, A, active),
    (   B==not_stored_yet
    ->  ( nb_getval('$chr_store_multi_hash_chr_translate____passive___2-1',
                    C),
          insert_ht(C, D, A)
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____passive___2-12',
                  E),
        insert_ht(E, k(D, F), A)
    ;   true
    ).
is_passive(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____passive___2-12', A),
    lookup_ht(A, k(B, C), D),
    member(E, D),
    E=suspension(_, active, _, _, _),
    !.
is_passive(_, _) :-
    fail.
any_passive_head(B) :-
    nb_getval('$chr_store_multi_hash_chr_translate____passive___2-1', A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _, _, _),
    !.
any_passive_head(_) :-
    fail.
new_occurrence(B, H, I, J) :-
    nb_getval('$chr_store_multi_hash_chr_translate____max_occurrence___2-1',
              A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _, _, F),
    !,
    setarg(2, D, removed),
    nb_getval('$chr_store_multi_hash_chr_translate____max_occurrence___2-1',
              E),
    delete_ht(E, B, D),
    G is F+1,
    occurrence(B, G, H, I, J),
    max_occurrence(B, G).
new_occurrence(A, B, _, _) :-
    chr_error(internal,
              'new_occurrence: missing max_occurrence for ~w in rule ~w\n',
              [A, B]).
occurrence(A, B, C, D, E) :-
    occurrence___5__0(A, B, C, D, E, _).
occurrence___5__0(D, E, B, F, G, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____rule___2-1', A),
    lookup_ht(A, B, I),
    !,
    C=suspension(H, not_stored_yet, t, _, D, E, B, F, G),
    'chr gen_id'(H),
    occurrence___5__0__0__4(I,
                            D,
                            E,
                            B,
                            F,
                            G,
                            C).
occurrence___5__0__0__4([], A, B, C, D, E, F) :-
    occurrence___5__1(A, B, C, D, E, F).
occurrence___5__0__0__4([A|I], E, F, C, J, K, L) :-
    (   ( A=suspension(_, active, _, _, B, H),
          B==C
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____allocation_occurrence___2-12',
                  D),
        lookup_ht(D, k(E, F), G)
    ->  occurrence___5__0__1__4(G,
                                H,
                                A,
                                I,
                                E,
                                F,
                                C,
                                J,
                                K,
                                L)
    ;   occurrence___5__0__0__4(I,
                                E,
                                F,
                                C,
                                J,
                                K,
                                L)
    ).
occurrence___5__0__1__4([], _, _, A, B, C, D, E, F, G) :-
    occurrence___5__0__0__4(A,
                            B,
                            C,
                            D,
                            E,
                            F,
                            G).
occurrence___5__0__1__4([A|Y], X, F, Z, C, E, Q, R, K, G) :-
    (   A=suspension(_, active, _, B, D),
        ( B==C,
          D==E
        ),
        H=t(60, F, G, A),
        '$novel_production'(F, H),
        '$novel_production'(G, H),
        '$novel_production'(A, H)
    ->  '$extend_history'(G, H),
        ( arg(2, G, I),
          setarg(2, G, active),
          (   I==not_stored_yet
          ->  ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-15',
                          J),
                insert_ht(J, k(C, K), G)
              ),
              ( nb_getval('$chr_store_global_ground_chr_translate____occurrence___5',
                          L),
                M=[G|L],
                b_setval('$chr_store_global_ground_chr_translate____occurrence___5',
                         M),
                (   L=[N|_]
                ->  setarg(4, N, M)
                ;   true
                )
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-125',
                          O),
                insert_ht(O, k(C, E, K), G)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-134',
                          P),
                insert_ht(P, k(C, Q, R), G)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-12',
                          S),
                insert_ht(S, k(C, E), G)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-3',
                          T),
                insert_ht(T, Q, G)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-13',
                          U),
                insert_ht(U, k(C, Q), G)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-34',
                          V),
                insert_ht(V, k(Q, R), G)
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-1',
                        W),
              insert_ht(W, C, G)
          ;   true
          )
        ),
        ( \+ is_passive(Q, R),
          K==propagation,
          (   stored_in_guard_before_next_kept_occurrence(C, E)
          ->  true
          ;   X=pragma(rule([_|_], _, _, _), _, _, _, _)
          ->  is_observed(C, E)
          ;   is_least_occurrence(Q)
          ->  is_observed(C, E)
          ;   true
          )
        ),
        (   G=suspension(_, active, _, _, _, _, _, _, _)
        ->  setarg(2, G, inactive),
            occurrence___5__0__1__4(Y,
                                    X,
                                    F,
                                    Z,
                                    C,
                                    E,
                                    Q,
                                    R,
                                    K,
                                    G)
        ;   true
        )
    ;   occurrence___5__0__1__4(Y,
                                X,
                                F,
                                Z,
                                C,
                                E,
                                Q,
                                R,
                                K,
                                G)
    ).
occurrence___5__0(B, C, D, E, F, A) :-
    A=suspension(G, not_stored_yet, t, _, B, C, D, E, F),
    'chr gen_id'(G),
    occurrence___5__1(B, C, D, E, F, A).
occurrence___5__1(D, E, B, F, G, H) :-
    nb_getval('$chr_store_multi_hash_chr_translate____least_occurrence___2-1',
              A),
    lookup_ht(A, B, C),
    !,
    occurrence___5__1__0__7(C,
                            D,
                            E,
                            B,
                            F,
                            G,
                            H).
occurrence___5__1__0__7([], A, B, C, D, E, F) :-
    occurrence___5__2(A, B, C, D, E, F).
occurrence___5__1__0__7([A|G1], G, L, C, F, V, S) :-
    (   ( A=suspension(_, active, B, D),
          B==C,
          D=[E|Q],
          E==F
        ),
        ( ( ground(G),
            nb_getval('$chr_store_multi_hash_chr_translate____allocation_occurrence___2-1',
                      H),
            lookup_ht(H, G, I)
          ),
          member(J, I),
          J=suspension(_, active, _, _, K)
        ),
        K>=L,
        ( ( ground(C),
            nb_getval('$chr_store_multi_hash_chr_translate____rule___2-1',
                      M),
            lookup_ht(M, C, N)
          ),
          member(O, N),
          O=suspension(_, active, _, _, _, _)
        ),
        \+ may_trigger(G)
    ->  ( setarg(2, A, removed),
          ( nb_getval('$chr_store_multi_hash_chr_translate____least_occurrence___2-12',
                      P),
            delete_ht(P, k(C, [F|Q]), A)
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____least_occurrence___2-1',
                    R),
          delete_ht(R, C, A)
        ),
        ( arg(2, S, T),
          setarg(2, S, active),
          (   T==not_stored_yet
          ->  ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-15',
                          U),
                insert_ht(U, k(G, V), S)
              ),
              ( nb_getval('$chr_store_global_ground_chr_translate____occurrence___5',
                          W),
                X=[S|W],
                b_setval('$chr_store_global_ground_chr_translate____occurrence___5',
                         X),
                (   W=[Y|_]
                ->  setarg(4, Y, X)
                ;   true
                )
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-125',
                          Z),
                insert_ht(Z, k(G, L, V), S)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-134',
                          A1),
                insert_ht(A1, k(G, C, F), S)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-12',
                          B1),
                insert_ht(B1, k(G, L), S)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-3',
                          C1),
                insert_ht(C1, C, S)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-13',
                          D1),
                insert_ht(D1, k(G, C), S)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-34',
                          E1),
                insert_ht(E1, k(C, F), S)
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-1',
                        F1),
              insert_ht(F1, G, S)
          ;   true
          )
        ),
        least_occurrence(C, Q),
        (   S=suspension(_, active, _, _, _, _, _, _, _)
        ->  setarg(2, S, inactive),
            occurrence___5__1__0__7(G1,
                                    G,
                                    L,
                                    C,
                                    F,
                                    V,
                                    S)
        ;   true
        )
    ;   occurrence___5__1__0__7(G1,
                                G,
                                L,
                                C,
                                F,
                                V,
                                S)
    ).
occurrence___5__1(A, B, C, D, E, F) :-
    occurrence___5__2(A, B, C, D, E, F).
occurrence___5__2(D, E, B, F, G, H) :-
    nb_getval('$chr_store_multi_hash_chr_translate____set_all_passive___1-1',
              A),
    lookup_ht(A, B, C),
    !,
    occurrence___5__2__0__29(C,
                             D,
                             E,
                             B,
                             F,
                             G,
                             H).
occurrence___5__2__0__29([], A, B, C, D, E, F) :-
    occurrence___5__3(A, B, C, D, E, F).
occurrence___5__2__0__29([A|V], H, N, C, P, I, D) :-
    (   A=suspension(_, active, _, B),
        B==C,
        E=t(180, A, D),
        '$novel_production'(A, E),
        '$novel_production'(D, E)
    ->  '$extend_history'(D, E),
        ( arg(2, D, F),
          setarg(2, D, active),
          (   F==not_stored_yet
          ->  ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-15',
                          G),
                insert_ht(G, k(H, I), D)
              ),
              ( nb_getval('$chr_store_global_ground_chr_translate____occurrence___5',
                          J),
                K=[D|J],
                b_setval('$chr_store_global_ground_chr_translate____occurrence___5',
                         K),
                (   J=[L|_]
                ->  setarg(4, L, K)
                ;   true
                )
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-125',
                          M),
                insert_ht(M, k(H, N, I), D)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-134',
                          O),
                insert_ht(O, k(H, C, P), D)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-12',
                          Q),
                insert_ht(Q, k(H, N), D)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-3',
                          R),
                insert_ht(R, C, D)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-13',
                          S),
                insert_ht(S, k(H, C), D)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-34',
                          T),
                insert_ht(T, k(C, P), D)
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-1',
                        U),
              insert_ht(U, H, D)
          ;   true
          )
        ),
        passive(C, P),
        (   D=suspension(_, active, _, _, _, _, _, _, _)
        ->  setarg(2, D, inactive),
            occurrence___5__2__0__29(V,
                                     H,
                                     N,
                                     C,
                                     P,
                                     I,
                                     D)
        ;   true
        )
    ;   occurrence___5__2__0__29(V,
                                 H,
                                 N,
                                 C,
                                 P,
                                 I,
                                 D)
    ).
occurrence___5__2(A, B, C, D, E, F) :-
    occurrence___5__3(A, B, C, D, E, F).
occurrence___5__3(D, E, B, F, G, H) :-
    nb_getval('$chr_store_multi_hash_chr_translate____rule___2-1', A),
    lookup_ht(A, B, C),
    !,
    occurrence___5__3__0__30(C,
                             D,
                             E,
                             B,
                             F,
                             G,
                             H).
occurrence___5__3__0__30([], A, B, C, D, E, F) :-
    occurrence___5__4(A, B, C, D, E, F).
occurrence___5__3__0__30([A|H], E, I, C, J, K, L) :-
    (   ( A=suspension(_, active, _, _, B, G),
          B==C
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-13',
                  D),
        lookup_ht(D, k(E, C), F)
    ->  occurrence___5__3__1__30(F,
                                 G,
                                 A,
                                 H,
                                 E,
                                 I,
                                 C,
                                 J,
                                 K,
                                 L)
    ;   occurrence___5__3__0__30(H,
                                 E,
                                 I,
                                 C,
                                 J,
                                 K,
                                 L)
    ).
occurrence___5__3__1__30([], _, _, A, B, C, D, E, F, G) :-
    occurrence___5__3__0__30(A,
                             B,
                             C,
                             D,
                             E,
                             F,
                             G).
occurrence___5__3__1__30([A|I], J, K, L, C, M, E, N, O, P) :-
    (   ( A=suspension(_, active, _, _, B, H, D, _, _),
          B==C,
          D==E
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____prev_guard_list___6-1',
                  F),
        lookup_ht(F, E, G)
    ->  occurrence___5__3__2__30(G,
                                 H,
                                 A,
                                 I,
                                 J,
                                 K,
                                 L,
                                 C,
                                 M,
                                 E,
                                 N,
                                 O,
                                 P)
    ;   occurrence___5__3__1__30(I,
                                 J,
                                 K,
                                 L,
                                 C,
                                 M,
                                 E,
                                 N,
                                 O,
                                 P)
    ).
occurrence___5__3__2__30([], _, _, A, B, C, D, E, F, G, H, I, J) :-
    occurrence___5__3__1__30(A,
                             B,
                             C,
                             D,
                             E,
                             F,
                             G,
                             H,
                             I,
                             J).
occurrence___5__3__2__30([A|E], F, G, H, I, J, K, L, M, C, N, O, P) :-
    (   ( A=suspension(_, active, _, _, B, _, _, _, _, _),
          B==C
        ),
        nb_getval('$chr_store_global_ground_chr_translate____multiple_occ_constraints_checked___1',
                  D)
    ->  occurrence___5__3__3__30(D,
                                 A,
                                 E,
                                 F,
                                 G,
                                 H,
                                 I,
                                 J,
                                 K,
                                 L,
                                 M,
                                 C,
                                 N,
                                 O,
                                 P)
    ;   occurrence___5__3__2__30(E,
                                 F,
                                 G,
                                 H,
                                 I,
                                 J,
                                 K,
                                 L,
                                 M,
                                 C,
                                 N,
                                 O,
                                 P)
    ).
occurrence___5__3__3__30([], _, A, B, C, D, E, F, G, H, I, J, K, L, M) :-
    occurrence___5__3__2__30(A,
                             B,
                             C,
                             D,
                             E,
                             F,
                             G,
                             H,
                             I,
                             J,
                             K,
                             L,
                             M).
occurrence___5__3__3__30([A|C1], D1, E1, C, F1, G1, D, H1, I1, F, B, U, V, O, L) :-
    (   A=suspension(_, active, _, G),
        B<C,
        chr_pp_flag(occurrence_subsumption, on),
        D=pragma(rule(E, _, _, _), _, _, _, _),
        E\==[],
        \+ tree_set_memberchk(F, G)
    ->  ( setarg(2, A, removed),
          arg(3, A, H),
          (   var(H)
          ->  nb_getval('$chr_store_global_ground_chr_translate____multiple_occ_constraints_checked___1',
                        I),
              I=[_|J],
              b_setval('$chr_store_global_ground_chr_translate____multiple_occ_constraints_checked___1',
                       J),
              (   J=[K|_]
              ->  setarg(3, K, _)
              ;   true
              )
          ;   H=[_, _|J],
              setarg(2, H, J),
              (   J=[K|_]
              ->  setarg(3, K, H)
              ;   true
              )
          )
        ),
        ( arg(2, L, M),
          setarg(2, L, active),
          (   M==not_stored_yet
          ->  ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-15',
                          N),
                insert_ht(N, k(F, O), L)
              ),
              ( nb_getval('$chr_store_global_ground_chr_translate____occurrence___5',
                          P),
                Q=[L|P],
                b_setval('$chr_store_global_ground_chr_translate____occurrence___5',
                         Q),
                (   P=[R|_]
                ->  setarg(4, R, Q)
                ;   true
                )
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-125',
                          S),
                insert_ht(S, k(F, B, O), L)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-134',
                          T),
                insert_ht(T, k(F, U, V), L)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-12',
                          W),
                insert_ht(W, k(F, B), L)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-3',
                          X),
                insert_ht(X, U, L)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-13',
                          Y),
                insert_ht(Y, k(F, U), L)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-34',
                          Z),
                insert_ht(Z, k(U, V), L)
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-1',
                        A1),
              insert_ht(A1, F, L)
          ;   true
          )
        ),
        ( first_occ_in_rule(U, F, B, V),
          tree_set_add(G, F, B1),
          multiple_occ_constraints_checked(B1)
        ),
        (   L=suspension(_, active, _, _, _, _, _, _, _)
        ->  setarg(2, L, inactive),
            occurrence___5__3__3__30(C1,
                                     D1,
                                     E1,
                                     C,
                                     F1,
                                     G1,
                                     D,
                                     H1,
                                     I1,
                                     F,
                                     B,
                                     U,
                                     V,
                                     O,
                                     L)
        ;   true
        )
    ;   occurrence___5__3__3__30(C1,
                                 D1,
                                 E1,
                                 C,
                                 F1,
                                 G1,
                                 D,
                                 H1,
                                 I1,
                                 F,
                                 B,
                                 U,
                                 V,
                                 O,
                                 L)
    ).
occurrence___5__3(A, B, C, D, E, F) :-
    occurrence___5__4(A, B, C, D, E, F).
occurrence___5__4(D, E, B, F, G, H) :-
    nb_getval('$chr_store_multi_hash_chr_translate____rule___2-1', A),
    lookup_ht(A, B, C),
    !,
    occurrence___5__4__0__31(C,
                             D,
                             E,
                             B,
                             F,
                             G,
                             H).
occurrence___5__4__0__31([], A, B, C, D, E, F) :-
    occurrence___5__5(A, B, C, D, E, F).
occurrence___5__4__0__31([A|H], E, I, C, J, K, L) :-
    (   ( A=suspension(_, active, _, _, B, G),
          B==C
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-13',
                  D),
        lookup_ht(D, k(E, C), F)
    ->  occurrence___5__4__1__31(F,
                                 G,
                                 A,
                                 H,
                                 E,
                                 I,
                                 C,
                                 J,
                                 K,
                                 L)
    ;   occurrence___5__4__0__31(H,
                                 E,
                                 I,
                                 C,
                                 J,
                                 K,
                                 L)
    ).
occurrence___5__4__1__31([], _, _, A, B, C, D, E, F, G) :-
    occurrence___5__4__0__31(A,
                             B,
                             C,
                             D,
                             E,
                             F,
                             G).
occurrence___5__4__1__31([A|J], K, L, M, C, N, E, O, P, Q) :-
    (   ( A=suspension(_, active, _, _, B, H, D, I, _),
          B==C,
          D==E
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____prev_guard_list___6-1',
                  F),
        lookup_ht(F, E, G)
    ->  occurrence___5__4__2__31(G,
                                 H,
                                 I,
                                 A,
                                 J,
                                 K,
                                 L,
                                 M,
                                 C,
                                 N,
                                 E,
                                 O,
                                 P,
                                 Q)
    ;   occurrence___5__4__1__31(J,
                                 K,
                                 L,
                                 M,
                                 C,
                                 N,
                                 E,
                                 O,
                                 P,
                                 Q)
    ).
occurrence___5__4__2__31([], _, _, _, A, B, C, D, E, F, G, H, I, J) :-
    occurrence___5__4__1__31(A,
                             B,
                             C,
                             D,
                             E,
                             F,
                             G,
                             H,
                             I,
                             J).
occurrence___5__4__2__31([A|E], F, G, H, I, J, K, L, M, N, C, O, P, Q) :-
    (   ( A=suspension(_, active, _, _, B, _, _, _, _, _),
          B==C
        ),
        nb_getval('$chr_store_global_ground_chr_translate____multiple_occ_constraints_checked___1',
                  D)
    ->  occurrence___5__4__3__31(D,
                                 A,
                                 E,
                                 F,
                                 G,
                                 H,
                                 I,
                                 J,
                                 K,
                                 L,
                                 M,
                                 N,
                                 C,
                                 O,
                                 P,
                                 Q)
    ;   occurrence___5__4__2__31(E,
                                 F,
                                 G,
                                 H,
                                 I,
                                 J,
                                 K,
                                 L,
                                 M,
                                 N,
                                 C,
                                 O,
                                 P,
                                 Q)
    ).
occurrence___5__4__3__31([], _, A, B, C, D, E, F, G, H, I, J, K, L, M, N) :-
    occurrence___5__4__2__31(A,
                             B,
                             C,
                             D,
                             E,
                             F,
                             G,
                             H,
                             I,
                             J,
                             K,
                             L,
                             M,
                             N).
occurrence___5__4__3__31([A|D1], E1, F1, B, B1, G1, H1, D, I1, J1, F, C, U, V, O, L) :-
    (   A=suspension(_, active, _, G),
        B<C,
        chr_pp_flag(occurrence_subsumption, on),
        D=pragma(rule(E, _, _, _), _, _, _, _),
        E\==[],
        \+ tree_set_memberchk(F, G)
    ->  ( setarg(2, A, removed),
          arg(3, A, H),
          (   var(H)
          ->  nb_getval('$chr_store_global_ground_chr_translate____multiple_occ_constraints_checked___1',
                        I),
              I=[_|J],
              b_setval('$chr_store_global_ground_chr_translate____multiple_occ_constraints_checked___1',
                       J),
              (   J=[K|_]
              ->  setarg(3, K, _)
              ;   true
              )
          ;   H=[_, _|J],
              setarg(2, H, J),
              (   J=[K|_]
              ->  setarg(3, K, H)
              ;   true
              )
          )
        ),
        ( arg(2, L, M),
          setarg(2, L, active),
          (   M==not_stored_yet
          ->  ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-15',
                          N),
                insert_ht(N, k(F, O), L)
              ),
              ( nb_getval('$chr_store_global_ground_chr_translate____occurrence___5',
                          P),
                Q=[L|P],
                b_setval('$chr_store_global_ground_chr_translate____occurrence___5',
                         Q),
                (   P=[R|_]
                ->  setarg(4, R, Q)
                ;   true
                )
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-125',
                          S),
                insert_ht(S, k(F, C, O), L)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-134',
                          T),
                insert_ht(T, k(F, U, V), L)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-12',
                          W),
                insert_ht(W, k(F, C), L)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-3',
                          X),
                insert_ht(X, U, L)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-13',
                          Y),
                insert_ht(Y, k(F, U), L)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-34',
                          Z),
                insert_ht(Z, k(U, V), L)
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-1',
                        A1),
              insert_ht(A1, F, L)
          ;   true
          )
        ),
        ( first_occ_in_rule(U, F, B, B1),
          tree_set_add(G, F, C1),
          multiple_occ_constraints_checked(C1)
        ),
        (   L=suspension(_, active, _, _, _, _, _, _, _)
        ->  setarg(2, L, inactive),
            occurrence___5__4__3__31(D1,
                                     E1,
                                     F1,
                                     B,
                                     B1,
                                     G1,
                                     H1,
                                     D,
                                     I1,
                                     J1,
                                     F,
                                     C,
                                     U,
                                     V,
                                     O,
                                     L)
        ;   true
        )
    ;   occurrence___5__4__3__31(D1,
                                 E1,
                                 F1,
                                 B,
                                 B1,
                                 G1,
                                 H1,
                                 D,
                                 I1,
                                 J1,
                                 F,
                                 C,
                                 U,
                                 V,
                                 O,
                                 L)
    ).
occurrence___5__4(A, B, C, D, E, F) :-
    occurrence___5__5(A, B, C, D, E, F).
occurrence___5__5(B, C, E, F, G, H) :-
    nb_getval('$chr_store_multi_hash_chr_translate____stored___3-123', A),
    lookup_ht(A, k(B, C, yes), D),
    !,
    occurrence___5__5__0__35(D,
                             B,
                             C,
                             E,
                             F,
                             G,
                             H).
occurrence___5__5__0__35([], A, B, C, D, E, F) :-
    occurrence___5__6(A, B, C, D, E, F).
occurrence___5__5__0__35([A|J1], C, E, G, H, X, U) :-
    (   ( A=suspension(_, active, B, D, F),
          B==C,
          D==E,
          F=yes
        ),
        ( ( ( ground(G),
              ground(H)
            ),
            nb_getval('$chr_store_multi_hash_chr_translate____passive___2-12',
                      I),
            lookup_ht(I, k(G, H), J)
          ),
          member(K, J),
          K=suspension(_, active, _, _, _)
        ),
        ( ( ground(C),
            nb_getval('$chr_store_multi_hash_chr_translate____stored_complete___3-1',
                      L),
            lookup_ht(L, C, M)
          ),
          member(N, M),
          N=suspension(_, active, _, _, O, S)
        ),
        E<O
    ->  ( ( setarg(2, A, removed),
            ( nb_getval('$chr_store_multi_hash_chr_translate____stored___3-13',
                        P),
              delete_ht(P, k(C, yes), A)
            ),
            nb_getval('$chr_store_multi_hash_chr_translate____stored___3-123',
                      Q),
            delete_ht(Q, k(C, E, yes), A)
          ),
          setarg(2, N, removed),
          ( nb_getval('$chr_store_multi_hash_chr_translate____stored_complete___3-13',
                      R),
            delete_ht(R, k(C, S), N)
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____stored_complete___3-1',
                    T),
          delete_ht(T, C, N)
        ),
        ( arg(2, U, V),
          setarg(2, U, active),
          (   V==not_stored_yet
          ->  ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-15',
                          W),
                insert_ht(W, k(C, X), U)
              ),
              ( nb_getval('$chr_store_global_ground_chr_translate____occurrence___5',
                          Y),
                Z=[U|Y],
                b_setval('$chr_store_global_ground_chr_translate____occurrence___5',
                         Z),
                (   Y=[A1|_]
                ->  setarg(4, A1, Z)
                ;   true
                )
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-125',
                          B1),
                insert_ht(B1, k(C, E, X), U)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-134',
                          C1),
                insert_ht(C1, k(C, G, H), U)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-12',
                          D1),
                insert_ht(D1, k(C, E), U)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-3',
                          E1),
                insert_ht(E1, G, U)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-13',
                          F1),
                insert_ht(F1, k(C, G), U)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-34',
                          G1),
                insert_ht(G1, k(G, H), U)
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-1',
                        H1),
              insert_ht(H1, C, U)
          ;   true
          )
        ),
        ( I1 is S-1,
          stored(C, E, maybe),
          stored_complete(C, O, I1)
        ),
        (   U=suspension(_, active, _, _, _, _, _, _, _)
        ->  setarg(2, U, inactive),
            occurrence___5__5__0__35(J1,
                                     C,
                                     E,
                                     G,
                                     H,
                                     X,
                                     U)
        ;   true
        )
    ;   occurrence___5__5__0__35(J1,
                                 C,
                                 E,
                                 G,
                                 H,
                                 X,
                                 U)
    ).
occurrence___5__5(A, B, C, D, E, F) :-
    occurrence___5__6(A, B, C, D, E, F).
occurrence___5__6(D, E, B, F, G, H) :-
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-3', A),
    lookup_ht(A, B, C),
    !,
    occurrence___5__6__0__36(C,
                             D,
                             E,
                             B,
                             F,
                             G,
                             H).
occurrence___5__6__0__36([], A, B, C, D, E, F) :-
    occurrence___5__7(A, B, C, D, E, F).
occurrence___5__6__0__36([A|G], H, I, C, J, K, L) :-
    (   ( A=suspension(_, active, _, _, E, _, B, _, _),
          B==C
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____max_occurrence___2-1',
                  D),
        lookup_ht(D, E, F)
    ->  occurrence___5__6__1__36(F,
                                 E,
                                 A,
                                 G,
                                 H,
                                 I,
                                 C,
                                 J,
                                 K,
                                 L)
    ;   occurrence___5__6__0__36(G,
                                 H,
                                 I,
                                 C,
                                 J,
                                 K,
                                 L)
    ).
occurrence___5__6__1__36([], _, _, A, B, C, D, E, F, G) :-
    occurrence___5__6__0__36(A,
                             B,
                             C,
                             D,
                             E,
                             F,
                             G).
occurrence___5__6__1__36([A|G], C, H, I, J, K, L, M, N, O) :-
    (   ( A=suspension(_, active, _, B, F),
          B==C
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____stored_complete___3-13',
                  D),
        lookup_ht(D, k(C, 0), E)
    ->  occurrence___5__6__2__36(E,
                                 F,
                                 A,
                                 G,
                                 C,
                                 H,
                                 I,
                                 J,
                                 K,
                                 L,
                                 M,
                                 N,
                                 O)
    ;   occurrence___5__6__1__36(G,
                                 C,
                                 H,
                                 I,
                                 J,
                                 K,
                                 L,
                                 M,
                                 N,
                                 O)
    ).
occurrence___5__6__2__36([], _, _, A, B, C, D, E, F, G, H, I, J) :-
    occurrence___5__6__1__36(A,
                             B,
                             C,
                             D,
                             E,
                             F,
                             G,
                             H,
                             I,
                             J).
occurrence___5__6__2__36([A|B1], J, G, C1, C, F, D1, M, S, U, V, N, E) :-
    (   A=suspension(_, active, _, B, I, D),
        ( B==C,
          D=0
        ),
        ( H=t(250, E, F, A, G),
          '$novel_production'(E, H),
          '$novel_production'(F, H),
          '$novel_production'(A, H),
          '$novel_production'(G, H)
        ),
        I=<J
    ->  '$extend_history'(E, H),
        ( arg(2, E, K),
          setarg(2, E, active),
          (   K==not_stored_yet
          ->  ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-15',
                          L),
                insert_ht(L, k(M, N), E)
              ),
              ( nb_getval('$chr_store_global_ground_chr_translate____occurrence___5',
                          O),
                P=[E|O],
                b_setval('$chr_store_global_ground_chr_translate____occurrence___5',
                         P),
                (   O=[Q|_]
                ->  setarg(4, Q, P)
                ;   true
                )
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-125',
                          R),
                insert_ht(R, k(M, S, N), E)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-134',
                          T),
                insert_ht(T, k(M, U, V), E)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-12',
                          W),
                insert_ht(W, k(M, S), E)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-3',
                          X),
                insert_ht(X, U, E)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-13',
                          Y),
                insert_ht(Y, k(M, U), E)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-34',
                          Z),
                insert_ht(Z, k(U, V), E)
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-1',
                        A1),
              insert_ht(A1, M, E)
          ;   true
          )
        ),
        passive(U, V),
        (   E=suspension(_, active, _, _, _, _, _, _, _)
        ->  setarg(2, E, inactive),
            occurrence___5__6__2__36(B1,
                                     J,
                                     G,
                                     C1,
                                     C,
                                     F,
                                     D1,
                                     M,
                                     S,
                                     U,
                                     V,
                                     N,
                                     E)
        ;   true
        )
    ;   occurrence___5__6__2__36(B1,
                                 J,
                                 G,
                                 C1,
                                 C,
                                 F,
                                 D1,
                                 M,
                                 S,
                                 U,
                                 V,
                                 N,
                                 E)
    ).
occurrence___5__6(A, B, C, D, E, F) :-
    occurrence___5__7(A, B, C, D, E, F).
occurrence___5__7(D, E, B, F, G, H) :-
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-3', A),
    lookup_ht(A, B, C),
    !,
    occurrence___5__7__0__37(C,
                             D,
                             E,
                             B,
                             F,
                             G,
                             H).
occurrence___5__7__0__37([], A, B, C, D, E, F) :-
    occurrence___5__8(A, B, C, D, E, F).
occurrence___5__7__0__37([A|H], E, I, C, J, K, L) :-
    (   ( A=suspension(_, active, _, _, _, _, B, G, _),
          B==C
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____max_occurrence___2-1',
                  D),
        lookup_ht(D, E, F)
    ->  occurrence___5__7__1__37(F,
                                 G,
                                 A,
                                 H,
                                 E,
                                 I,
                                 C,
                                 J,
                                 K,
                                 L)
    ;   occurrence___5__7__0__37(H,
                                 E,
                                 I,
                                 C,
                                 J,
                                 K,
                                 L)
    ).
occurrence___5__7__1__37([], _, _, A, B, C, D, E, F, G) :-
    occurrence___5__7__0__37(A,
                             B,
                             C,
                             D,
                             E,
                             F,
                             G).
occurrence___5__7__1__37([A|G], H, I, J, C, K, L, M, N, O) :-
    (   ( A=suspension(_, active, _, B, F),
          B==C
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____stored_complete___3-13',
                  D),
        lookup_ht(D, k(C, 0), E)
    ->  occurrence___5__7__2__37(E,
                                 F,
                                 A,
                                 G,
                                 H,
                                 I,
                                 J,
                                 C,
                                 K,
                                 L,
                                 M,
                                 N,
                                 O)
    ;   occurrence___5__7__1__37(G,
                                 H,
                                 I,
                                 J,
                                 C,
                                 K,
                                 L,
                                 M,
                                 N,
                                 O)
    ).
occurrence___5__7__2__37([], _, _, A, B, C, D, E, F, G, H, I, J) :-
    occurrence___5__7__1__37(A,
                             B,
                             C,
                             D,
                             E,
                             F,
                             G,
                             H,
                             I,
                             J).
occurrence___5__7__2__37([A|B1], J, G, C1, A1, E, D1, C, R, T, U, M, F) :-
    (   A=suspension(_, active, _, B, I, D),
        ( B==C,
          D=0
        ),
        ( H=t(250, E, F, A, G),
          '$novel_production'(E, H),
          '$novel_production'(F, H),
          '$novel_production'(A, H),
          '$novel_production'(G, H)
        ),
        I=<J
    ->  '$extend_history'(F, H),
        ( arg(2, F, K),
          setarg(2, F, active),
          (   K==not_stored_yet
          ->  ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-15',
                          L),
                insert_ht(L, k(C, M), F)
              ),
              ( nb_getval('$chr_store_global_ground_chr_translate____occurrence___5',
                          N),
                O=[F|N],
                b_setval('$chr_store_global_ground_chr_translate____occurrence___5',
                         O),
                (   N=[P|_]
                ->  setarg(4, P, O)
                ;   true
                )
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-125',
                          Q),
                insert_ht(Q, k(C, R, M), F)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-134',
                          S),
                insert_ht(S, k(C, T, U), F)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-12',
                          V),
                insert_ht(V, k(C, R), F)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-3',
                          W),
                insert_ht(W, T, F)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-13',
                          X),
                insert_ht(X, k(C, T), F)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-34',
                          Y),
                insert_ht(Y, k(T, U), F)
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-1',
                        Z),
              insert_ht(Z, C, F)
          ;   true
          )
        ),
        passive(T, A1),
        (   F=suspension(_, active, _, _, _, _, _, _, _)
        ->  setarg(2, F, inactive),
            occurrence___5__7__2__37(B1,
                                     J,
                                     G,
                                     C1,
                                     A1,
                                     E,
                                     D1,
                                     C,
                                     R,
                                     T,
                                     U,
                                     M,
                                     F)
        ;   true
        )
    ;   occurrence___5__7__2__37(B1,
                                 J,
                                 G,
                                 C1,
                                 A1,
                                 E,
                                 D1,
                                 C,
                                 R,
                                 T,
                                 U,
                                 M,
                                 F)
    ).
occurrence___5__7(A, B, C, D, E, F) :-
    occurrence___5__8(A, B, C, D, E, F).
occurrence___5__8(B, D, E, F, G, H) :-
    nb_getval('$chr_store_multi_hash_chr_translate____stored_complete___3-1',
              A),
    lookup_ht(A, B, C),
    !,
    occurrence___5__8__0__38(C,
                             B,
                             D,
                             E,
                             F,
                             G,
                             H).
occurrence___5__8__0__38([], A, B, C, D, E, F) :-
    occurrence___5__9(A, B, C, D, E, F).
occurrence___5__8__0__38([A|W], C, F, P, Q, J, D) :-
    (   A=suspension(_, active, _, B, G, _),
        B==C,
        ( E=t(259, A, D),
          '$novel_production'(A, E),
          '$novel_production'(D, E)
        ),
        F>G
    ->  '$extend_history'(D, E),
        ( arg(2, D, H),
          setarg(2, D, active),
          (   H==not_stored_yet
          ->  ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-15',
                          I),
                insert_ht(I, k(C, J), D)
              ),
              ( nb_getval('$chr_store_global_ground_chr_translate____occurrence___5',
                          K),
                L=[D|K],
                b_setval('$chr_store_global_ground_chr_translate____occurrence___5',
                         L),
                (   K=[M|_]
                ->  setarg(4, M, L)
                ;   true
                )
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-125',
                          N),
                insert_ht(N, k(C, F, J), D)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-134',
                          O),
                insert_ht(O, k(C, P, Q), D)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-12',
                          R),
                insert_ht(R, k(C, F), D)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-3',
                          S),
                insert_ht(S, P, D)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-13',
                          T),
                insert_ht(T, k(C, P), D)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-34',
                          U),
                insert_ht(U, k(P, Q), D)
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-1',
                        V),
              insert_ht(V, C, D)
          ;   true
          )
        ),
        passive(P, Q),
        (   D=suspension(_, active, _, _, _, _, _, _, _)
        ->  setarg(2, D, inactive),
            occurrence___5__8__0__38(W,
                                     C,
                                     F,
                                     P,
                                     Q,
                                     J,
                                     D)
        ;   true
        )
    ;   occurrence___5__8__0__38(W,
                                 C,
                                 F,
                                 P,
                                 Q,
                                 J,
                                 D)
    ).
occurrence___5__8(A, B, C, D, E, F) :-
    occurrence___5__9(A, B, C, D, E, F).
occurrence___5__9(B, E, C, F, G, H) :-
    nb_getval('$chr_store_multi_hash_chr_translate____functional_dependency___4-12',
              A),
    lookup_ht(A, k(B, C), D),
    !,
    occurrence___5__9__0__42(D,
                             B,
                             E,
                             C,
                             F,
                             G,
                             H).
occurrence___5__9__0__42([], A, B, C, D, E, F) :-
    occurrence___5__10(A, B, C, D, E, F).
occurrence___5__9__0__42([A|D1], C, J, E, V, P, M) :-
    (   ( A=suspension(_, active, B, D, B1, C1),
          B==C,
          D==E
        ),
        E>1,
        ( ( ground(C),
            nb_getval('$chr_store_multi_hash_chr_translate____allocation_occurrence___2-1',
                      F),
            lookup_ht(F, C, G)
          ),
          member(H, G),
          H=suspension(_, active, _, _, I)
        ),
        I>J
    ->  ( setarg(2, A, removed),
          ( nb_getval('$chr_store_multi_hash_chr_translate____functional_dependency___4-1',
                      K),
            delete_ht(K, C, A)
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____functional_dependency___4-12',
                    L),
          delete_ht(L, k(C, E), A)
        ),
        ( arg(2, M, N),
          setarg(2, M, active),
          (   N==not_stored_yet
          ->  ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-15',
                          O),
                insert_ht(O, k(C, P), M)
              ),
              ( nb_getval('$chr_store_global_ground_chr_translate____occurrence___5',
                          Q),
                R=[M|Q],
                b_setval('$chr_store_global_ground_chr_translate____occurrence___5',
                         R),
                (   Q=[S|_]
                ->  setarg(4, S, R)
                ;   true
                )
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-125',
                          T),
                insert_ht(T, k(C, J, P), M)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-134',
                          U),
                insert_ht(U, k(C, E, V), M)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-12',
                          W),
                insert_ht(W, k(C, J), M)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-3',
                          X),
                insert_ht(X, E, M)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-13',
                          Y),
                insert_ht(Y, k(C, E), M)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-34',
                          Z),
                insert_ht(Z, k(E, V), M)
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-1',
                        A1),
              insert_ht(A1, C, M)
          ;   true
          )
        ),
        functional_dependency(C, 1, B1, C1),
        (   M=suspension(_, active, _, _, _, _, _, _, _)
        ->  setarg(2, M, inactive),
            occurrence___5__9__0__42(D1,
                                     C,
                                     J,
                                     E,
                                     V,
                                     P,
                                     M)
        ;   true
        )
    ;   occurrence___5__9__0__42(D1,
                                 C,
                                 J,
                                 E,
                                 V,
                                 P,
                                 M)
    ).
occurrence___5__9(A, B, C, D, E, F) :-
    occurrence___5__10(A, B, C, D, E, F).
occurrence___5__10(B, D, E, F, G, H) :-
    nb_getval('$chr_store_multi_hash_chr_translate____constraint_mode___2-1',
              A),
    lookup_ht(A, B, C),
    !,
    occurrence___5__10__0__48(C,
                              B,
                              D,
                              E,
                              F,
                              G,
                              H).
occurrence___5__10__0__48([], A, B, C, D, E, F) :-
    occurrence___5__11(A, B, C, D, E, F).
occurrence___5__10__0__48([A|F], C, G, H, I, J, K) :-
    (   ( A=suspension(_, active, _, _, B, E),
          B==C
        ),
        nb_getval('$chr_store_global_ground_chr_translate____partial_wake_analysis___0',
                  D)
    ->  occurrence___5__10__1__48(D,
                                  E,
                                  A,
                                  F,
                                  C,
                                  G,
                                  H,
                                  I,
                                  J,
                                  K)
    ;   occurrence___5__10__0__48(F,
                                  C,
                                  G,
                                  H,
                                  I,
                                  J,
                                  K)
    ).
occurrence___5__10__1__48([], _, _, A, B, C, D, E, F, G) :-
    occurrence___5__10__0__48(A,
                              B,
                              C,
                              D,
                              E,
                              F,
                              G).
occurrence___5__10__1__48([A|E], F, G, H, I, J, C, K, L, M) :-
    (   A=suspension(_, active, _, _),
        nb_getval('$chr_store_multi_hash_chr_translate____rule___2-1', B),
        lookup_ht(B, C, D)
    ->  occurrence___5__10__2__48(D,
                                  A,
                                  E,
                                  F,
                                  G,
                                  H,
                                  I,
                                  J,
                                  C,
                                  K,
                                  L,
                                  M)
    ;   occurrence___5__10__1__48(E,
                                  F,
                                  G,
                                  H,
                                  I,
                                  J,
                                  C,
                                  K,
                                  L,
                                  M)
    ).
occurrence___5__10__2__48([], _, A, B, C, D, E, F, G, H, I, J) :-
    occurrence___5__10__1__48(A,
                              B,
                              C,
                              D,
                              E,
                              F,
                              G,
                              H,
                              I,
                              J).
occurrence___5__10__2__48([A|F1], D, G1, C1, F, H1, J, P, C, R, K, E) :-
    (   A=suspension(_, active, _, _, B, X),
        B==C,
        G=t(330, D, E, A, F),
        '$novel_production'(D, G),
        '$novel_production'(E, G),
        '$novel_production'(A, G),
        '$novel_production'(F, G)
    ->  '$extend_history'(E, G),
        ( arg(2, E, H),
          setarg(2, E, active),
          (   H==not_stored_yet
          ->  ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-15',
                          I),
                insert_ht(I, k(J, K), E)
              ),
              ( nb_getval('$chr_store_global_ground_chr_translate____occurrence___5',
                          L),
                M=[E|L],
                b_setval('$chr_store_global_ground_chr_translate____occurrence___5',
                         M),
                (   L=[N|_]
                ->  setarg(4, N, M)
                ;   true
                )
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-125',
                          O),
                insert_ht(O, k(J, P, K), E)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-134',
                          Q),
                insert_ht(Q, k(J, C, R), E)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-12',
                          S),
                insert_ht(S, k(J, P), E)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-3',
                          T),
                insert_ht(T, C, E)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-13',
                          U),
                insert_ht(U, k(J, C), E)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-34',
                          V),
                insert_ht(V, k(C, R), E)
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-1',
                        W),
              insert_ht(W, J, E)
          ;   true
          )
        ),
        ( X=pragma(rule(Y, E1, A1, _), _, _, _, _),
          (   is_passive(C, R)
          ->  true
          ;   K==simplification
          ->  select(Z, Y, _),
              Z=..[_|B1],
              term_variables(A1, D1),
              partial_wake_args(B1, C1, D1, J)
          ;   select(Z, E1, _),
              Z=..[_|B1],
              term_variables(A1, D1),
              partial_wake_args(B1, C1, D1, J)
          )
        ),
        (   E=suspension(_, active, _, _, _, _, _, _, _)
        ->  setarg(2, E, inactive),
            occurrence___5__10__2__48(F1,
                                      D,
                                      G1,
                                      C1,
                                      F,
                                      H1,
                                      J,
                                      P,
                                      C,
                                      R,
                                      K,
                                      E)
        ;   true
        )
    ;   occurrence___5__10__2__48(F1,
                                  D,
                                  G1,
                                  C1,
                                  F,
                                  H1,
                                  J,
                                  P,
                                  C,
                                  R,
                                  K,
                                  E)
    ).
occurrence___5__10(A, B, C, D, E, F) :-
    occurrence___5__11(A, B, C, D, E, F).
occurrence___5__11(E, F, B, C, G, H) :-
    nb_getval('$chr_store_multi_hash_chr_translate____passive___2-12', A),
    lookup_ht(A, k(B, C), D),
    !,
    occurrence___5__11__0__50(D,
                              E,
                              F,
                              B,
                              C,
                              G,
                              H).
occurrence___5__11__0__50([], A, B, C, D, E, F) :-
    occurrence___5__12(A, B, C, D, E, F).
occurrence___5__11__0__50([A|J], G, H, C, E, K, L) :-
    (   ( A=suspension(_, active, _, B, D),
          B==C,
          D==E
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____skip_to_next_id___2-12',
                  F),
        lookup_ht(F, k(G, H), I)
    ->  occurrence___5__11__1__50(I,
                                  A,
                                  J,
                                  G,
                                  H,
                                  C,
                                  E,
                                  K,
                                  L)
    ;   occurrence___5__11__0__50(J,
                                  G,
                                  H,
                                  C,
                                  E,
                                  K,
                                  L)
    ).
occurrence___5__11__1__50([], _, A, B, C, D, E, F, G) :-
    occurrence___5__11__0__50(A,
                              B,
                              C,
                              D,
                              E,
                              F,
                              G).
occurrence___5__11__1__50([A|Y], G, Z, C, E, Q, R, K, F) :-
    (   A=suspension(_, active, _, B, D),
        ( B==C,
          D==E
        ),
        ( H=t(362, F, G, A),
          '$novel_production'(F, H),
          '$novel_production'(G, H),
          '$novel_production'(A, H)
        ),
        E>1
    ->  '$extend_history'(F, H),
        ( arg(2, F, I),
          setarg(2, F, active),
          (   I==not_stored_yet
          ->  ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-15',
                          J),
                insert_ht(J, k(C, K), F)
              ),
              ( nb_getval('$chr_store_global_ground_chr_translate____occurrence___5',
                          L),
                M=[F|L],
                b_setval('$chr_store_global_ground_chr_translate____occurrence___5',
                         M),
                (   L=[N|_]
                ->  setarg(4, N, M)
                ;   true
                )
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-125',
                          O),
                insert_ht(O, k(C, E, K), F)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-134',
                          P),
                insert_ht(P, k(C, Q, R), F)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-12',
                          S),
                insert_ht(S, k(C, E), F)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-3',
                          T),
                insert_ht(T, Q, F)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-13',
                          U),
                insert_ht(U, k(C, Q), F)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-34',
                          V),
                insert_ht(V, k(Q, R), F)
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-1',
                        W),
              insert_ht(W, C, F)
          ;   true
          )
        ),
        ( X is E-1,
          skip_to_next_id(C, X)
        ),
        (   F=suspension(_, active, _, _, _, _, _, _, _)
        ->  setarg(2, F, inactive),
            occurrence___5__11__1__50(Y,
                                      G,
                                      Z,
                                      C,
                                      E,
                                      Q,
                                      R,
                                      K,
                                      F)
        ;   true
        )
    ;   occurrence___5__11__1__50(Y,
                                  G,
                                  Z,
                                  C,
                                  E,
                                  Q,
                                  R,
                                  K,
                                  F)
    ).
occurrence___5__11(A, B, C, D, E, F) :-
    occurrence___5__12(A, B, C, D, E, F).
occurrence___5__12(B, C, E, F, G, H) :-
    nb_getval('$chr_store_multi_hash_chr_translate____set_occurrence_code_id___3-12',
              A),
    lookup_ht(A, k(B, C), D),
    !,
    occurrence___5__12__0__51(D,
                              B,
                              C,
                              E,
                              F,
                              G,
                              H).
occurrence___5__12__0__51([], A, B, C, D, E, F) :-
    occurrence___5__13(A, B, C, D, E, F).
occurrence___5__12__0__51([A|B1], C, E, F, G, O, L) :-
    (   ( A=suspension(_, active, B, D, Z),
          B==C,
          D==E
        ),
        ( ( ground(F),
            ground(G)
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____passive___2-12',
                    H),
          lookup_ht(H, k(F, G), I)
        ),
        member(J, I),
        J=suspension(_, active, _, _, _)
    ->  ( setarg(2, A, removed),
          nb_getval('$chr_store_multi_hash_chr_translate____set_occurrence_code_id___3-12',
                    K),
          delete_ht(K, k(C, E), A)
        ),
        ( arg(2, L, M),
          setarg(2, L, active),
          (   M==not_stored_yet
          ->  ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-15',
                          N),
                insert_ht(N, k(C, O), L)
              ),
              ( nb_getval('$chr_store_global_ground_chr_translate____occurrence___5',
                          P),
                Q=[L|P],
                b_setval('$chr_store_global_ground_chr_translate____occurrence___5',
                         Q),
                (   P=[R|_]
                ->  setarg(4, R, Q)
                ;   true
                )
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-125',
                          S),
                insert_ht(S, k(C, E, O), L)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-134',
                          T),
                insert_ht(T, k(C, F, G), L)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-12',
                          U),
                insert_ht(U, k(C, E), L)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-3',
                          V),
                insert_ht(V, F, L)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-13',
                          W),
                insert_ht(W, k(C, F), L)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-34',
                          X),
                insert_ht(X, k(F, G), L)
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-1',
                        Y),
              insert_ht(Y, C, L)
          ;   true
          )
        ),
        ( occurrence_code_id(C, E, Z),
          A1 is E+1,
          set_occurrence_code_id(C, A1, Z)
        ),
        (   L=suspension(_, active, _, _, _, _, _, _, _)
        ->  setarg(2, L, inactive),
            occurrence___5__12__0__51(B1,
                                      C,
                                      E,
                                      F,
                                      G,
                                      O,
                                      L)
        ;   true
        )
    ;   occurrence___5__12__0__51(B1,
                                  C,
                                  E,
                                  F,
                                  G,
                                  O,
                                  L)
    ).
occurrence___5__12(A, B, C, D, E, F) :-
    occurrence___5__13(A, B, C, D, E, F).
occurrence___5__13(B, C, E, F, simplification, G) :-
    nb_getval('$chr_store_multi_hash_chr_translate____set_occurrence_code_id___3-12',
              A),
    lookup_ht(A, k(B, C), D),
    !,
    occurrence___5__13__0__52(D,
                              B,
                              C,
                              E,
                              F,
                              simplification,
                              G).
occurrence___5__13__0__52([], A, B, C, D, E, F) :-
    occurrence___5__15(A, B, C, D, E, F).
occurrence___5__13__0__52([A|Y], C, E, P, Q, J, G) :-
    (   A=suspension(_, active, B, D, W),
        B==C,
        D==E
    ->  ( setarg(2, A, removed),
          nb_getval('$chr_store_multi_hash_chr_translate____set_occurrence_code_id___3-12',
                    F),
          delete_ht(F, k(C, E), A)
        ),
        ( arg(2, G, H),
          setarg(2, G, active),
          (   H==not_stored_yet
          ->  ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-15',
                          I),
                insert_ht(I, k(C, J), G)
              ),
              ( nb_getval('$chr_store_global_ground_chr_translate____occurrence___5',
                          K),
                L=[G|K],
                b_setval('$chr_store_global_ground_chr_translate____occurrence___5',
                         L),
                (   K=[M|_]
                ->  setarg(4, M, L)
                ;   true
                )
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-125',
                          N),
                insert_ht(N, k(C, E, J), G)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-134',
                          O),
                insert_ht(O, k(C, P, Q), G)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-12',
                          R),
                insert_ht(R, k(C, E), G)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-3',
                          S),
                insert_ht(S, P, G)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-13',
                          T),
                insert_ht(T, k(C, P), G)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-34',
                          U),
                insert_ht(U, k(P, Q), G)
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-1',
                        V),
              insert_ht(V, C, G)
          ;   true
          )
        ),
        ( occurrence_code_id(C, E, W),
          X is E+1,
          set_occurrence_code_id(C, X, W)
        ),
        (   G=suspension(_, active, _, _, _, _, _, _, _)
        ->  setarg(2, G, inactive),
            occurrence___5__13__0__52(Y,
                                      C,
                                      E,
                                      P,
                                      Q,
                                      J,
                                      G)
        ;   true
        )
    ;   occurrence___5__13__0__52(Y,
                                  C,
                                  E,
                                  P,
                                  Q,
                                  J,
                                  G)
    ).
occurrence___5__13(B, C, E, F, propagation, G) :-
    nb_getval('$chr_store_multi_hash_chr_translate____set_occurrence_code_id___3-12',
              A),
    lookup_ht(A, k(B, C), D),
    !,
    occurrence___5__13__0__53(D,
                              B,
                              C,
                              E,
                              F,
                              propagation,
                              G).
occurrence___5__13__0__53([], A, B, C, D, E, F) :-
    occurrence___5__14(A, B, C, D, E, F).
occurrence___5__13__0__53([A|C1], C, E, S, T, M, J) :-
    (   ( A=suspension(_, active, B, D, Z),
          B==C,
          D==E
        ),
        ( ( ground(C),
            ground(E)
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____skip_to_next_id___2-12',
                    F),
          lookup_ht(F, k(C, E), G)
        ),
        member(H, G),
        H=suspension(_, active, _, _, _)
    ->  ( setarg(2, A, removed),
          nb_getval('$chr_store_multi_hash_chr_translate____set_occurrence_code_id___3-12',
                    I),
          delete_ht(I, k(C, E), A)
        ),
        ( arg(2, J, K),
          setarg(2, J, active),
          (   K==not_stored_yet
          ->  ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-15',
                          L),
                insert_ht(L, k(C, M), J)
              ),
              ( nb_getval('$chr_store_global_ground_chr_translate____occurrence___5',
                          N),
                O=[J|N],
                b_setval('$chr_store_global_ground_chr_translate____occurrence___5',
                         O),
                (   N=[P|_]
                ->  setarg(4, P, O)
                ;   true
                )
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-125',
                          Q),
                insert_ht(Q, k(C, E, M), J)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-134',
                          R),
                insert_ht(R, k(C, S, T), J)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-12',
                          U),
                insert_ht(U, k(C, E), J)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-3',
                          V),
                insert_ht(V, S, J)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-13',
                          W),
                insert_ht(W, k(C, S), J)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-34',
                          X),
                insert_ht(X, k(S, T), J)
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-1',
                        Y),
              insert_ht(Y, C, J)
          ;   true
          )
        ),
        ( occurrence_code_id(C, E, Z),
          A1 is E+1,
          B1 is Z+1,
          set_occurrence_code_id(C, A1, B1)
        ),
        (   J=suspension(_, active, _, _, _, _, _, _, _)
        ->  setarg(2, J, inactive),
            occurrence___5__13__0__53(C1,
                                      C,
                                      E,
                                      S,
                                      T,
                                      M,
                                      J)
        ;   true
        )
    ;   occurrence___5__13__0__53(C1,
                                  C,
                                  E,
                                  S,
                                  T,
                                  M,
                                  J)
    ).
occurrence___5__13(A, B, C, D, E, F) :-
    occurrence___5__14(A, B, C, D, E, F).
occurrence___5__14(B, C, E, F, propagation, G) :-
    nb_getval('$chr_store_multi_hash_chr_translate____set_occurrence_code_id___3-12',
              A),
    lookup_ht(A, k(B, C), D),
    !,
    occurrence___5__14__0__54(D,
                              B,
                              C,
                              E,
                              F,
                              propagation,
                              G).
occurrence___5__14__0__54([], A, B, C, D, E, F) :-
    occurrence___5__15(A, B, C, D, E, F).
occurrence___5__14__0__54([A|Y], C, E, P, Q, J, G) :-
    (   A=suspension(_, active, B, D, W),
        B==C,
        D==E
    ->  ( setarg(2, A, removed),
          nb_getval('$chr_store_multi_hash_chr_translate____set_occurrence_code_id___3-12',
                    F),
          delete_ht(F, k(C, E), A)
        ),
        ( arg(2, G, H),
          setarg(2, G, active),
          (   H==not_stored_yet
          ->  ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-15',
                          I),
                insert_ht(I, k(C, J), G)
              ),
              ( nb_getval('$chr_store_global_ground_chr_translate____occurrence___5',
                          K),
                L=[G|K],
                b_setval('$chr_store_global_ground_chr_translate____occurrence___5',
                         L),
                (   K=[M|_]
                ->  setarg(4, M, L)
                ;   true
                )
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-125',
                          N),
                insert_ht(N, k(C, E, J), G)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-134',
                          O),
                insert_ht(O, k(C, P, Q), G)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-12',
                          R),
                insert_ht(R, k(C, E), G)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-3',
                          S),
                insert_ht(S, P, G)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-13',
                          T),
                insert_ht(T, k(C, P), G)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-34',
                          U),
                insert_ht(U, k(P, Q), G)
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-1',
                        V),
              insert_ht(V, C, G)
          ;   true
          )
        ),
        ( occurrence_code_id(C, E, W),
          X is E+1,
          set_occurrence_code_id(C, X, W)
        ),
        (   G=suspension(_, active, _, _, _, _, _, _, _)
        ->  setarg(2, G, inactive),
            occurrence___5__14__0__54(Y,
                                      C,
                                      E,
                                      P,
                                      Q,
                                      J,
                                      G)
        ;   true
        )
    ;   occurrence___5__14__0__54(Y,
                                  C,
                                  E,
                                  P,
                                  Q,
                                  J,
                                  G)
    ).
occurrence___5__14(A, B, C, D, E, F) :-
    occurrence___5__15(A, B, C, D, E, F).
occurrence___5__15(D, J, L, M, E, A) :-
    arg(2, A, B),
    setarg(2, A, active),
    (   B==not_stored_yet
    ->  ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-15',
                    C),
          insert_ht(C, k(D, E), A)
        ),
        ( nb_getval('$chr_store_global_ground_chr_translate____occurrence___5',
                    F),
          G=[A|F],
          b_setval('$chr_store_global_ground_chr_translate____occurrence___5',
                   G),
          (   F=[H|_]
          ->  setarg(4, H, G)
          ;   true
          )
        ),
        ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-125',
                    I),
          insert_ht(I, k(D, J, E), A)
        ),
        ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-134',
                    K),
          insert_ht(K, k(D, L, M), A)
        ),
        ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-12',
                    N),
          insert_ht(N, k(D, J), A)
        ),
        ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-3',
                    O),
          insert_ht(O, L, A)
        ),
        ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-13',
                    P),
          insert_ht(P, k(D, L), A)
        ),
        ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-34',
                    Q),
          insert_ht(Q, k(L, M), A)
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-1',
                  R),
        insert_ht(R, D, A)
    ;   true
    ).
get_occurrence(B, C, G, I) :-
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-12',
              A),
    lookup_ht(A, k(B, C), D),
    member(E, D),
    E=suspension(_, active, _, _, _, _, F, H, _),
    !,
    F=G,
    H=I.
get_occurrence(A, B, _, _) :-
    chr_error(internal,
              'get_occurrence: missing occurrence ~w:~w\n',
              [A, B]).
get_occurrence(B, C, G, I, K) :-
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-12',
              A),
    lookup_ht(A, k(B, C), D),
    member(E, D),
    E=suspension(_, active, _, _, _, _, F, H, J),
    !,
    F=G,
    H=I,
    J=K.
get_occurrence(A, B, _, _, _) :-
    chr_error(internal,
              'get_occurrence: missing occurrence ~w:~w\n',
              [A, B]).
get_occurrence_from_id(F, H, B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-34',
              A),
    lookup_ht(A, k(B, C), D),
    member(E, D),
    E=suspension(_, active, _, _, G, I, _, _, _),
    !,
    F=G,
    H=I.
get_occurrence_from_id(_, _, _, _) :-
    chr_error(internal, 'get_occurrence_from_id: missing occurrence ~w:~w\n', []).
max_occurrence(A, B) :-
    max_occurrence___2__0(A, B, _).
max_occurrence___2__0(B, F, G) :-
    ( nb_getval('$chr_store_multi_hash_chr_translate____max_occurrence___2-1',
                A),
      lookup_ht(A, B, C)
    ),
    (   member(D, C),
        D=suspension(_, active, _, _, E),
        E>=F,
        !
    ;   !,
        max_occurrence___2__0__0__2(C, B, F, G)
    ).
max_occurrence___2__0__0__2([], A, B, C) :-
    max_occurrence___2__1(A, B, C).
max_occurrence___2__0__0__2([A|G], C, D, H) :-
    (   ( A=suspension(_, active, _, B, E),
          B==C
        ),
        D>=E
    ->  ( setarg(2, A, removed),
          nb_getval('$chr_store_multi_hash_chr_translate____max_occurrence___2-1',
                    F),
          delete_ht(F, C, A)
        ),
        max_occurrence___2__0__0__2(G, C, D, H)
    ;   max_occurrence___2__0__0__2(G, C, D, H)
    ).
max_occurrence___2__0(A, B, C) :-
    max_occurrence___2__1(A, B, C).
max_occurrence___2__1(B, D, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____stored_complete___3-13',
              A),
    lookup_ht(A, k(B, 0), F),
    !,
    C=suspension(E, not_stored_yet, t, B, D),
    'chr gen_id'(E),
    max_occurrence___2__1__0__5(F, B, D, C).
max_occurrence___2__1__0__5([], A, B, C) :-
    max_occurrence___2__2(A, B, C).
max_occurrence___2__1__0__5([A|H], C, I, J) :-
    (   ( A=suspension(_, active, _, B, G, D),
          B==C,
          D=0
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-1',
                  E),
        lookup_ht(E, C, F)
    ->  max_occurrence___2__1__1__5(F,
                                    G,
                                    A,
                                    H,
                                    C,
                                    I,
                                    J)
    ;   max_occurrence___2__1__0__5(H, C, I, J)
    ).
max_occurrence___2__1__1__5([], _, _, A, B, C, D) :-
    max_occurrence___2__1__0__5(A, B, C, D).
max_occurrence___2__1__1__5([A|G], H, I, J, C, K, L) :-
    (   ( A=suspension(_, active, _, _, B, _, E, _, _),
          B==C
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-3',
                  D),
        lookup_ht(D, E, F)
    ->  max_occurrence___2__1__2__5(F,
                                    E,
                                    A,
                                    G,
                                    H,
                                    I,
                                    J,
                                    C,
                                    K,
                                    L)
    ;   max_occurrence___2__1__1__5(G,
                                    H,
                                    I,
                                    J,
                                    C,
                                    K,
                                    L)
    ).
max_occurrence___2__1__2__5([], _, _, A, B, C, D, E, F, G) :-
    max_occurrence___2__1__1__5(A,
                                B,
                                C,
                                D,
                                E,
                                F,
                                G).
max_occurrence___2__1__2__5([A|N], D, B, O, H, E, P, L, I, F) :-
    (   A=suspension(_, active, _, _, _, _, C, M, _),
        A\==B,
        C==D,
        ( G=t(250, A, B, E, F),
          '$novel_production'(A, G),
          '$novel_production'(B, G),
          '$novel_production'(E, G),
          '$novel_production'(F, G)
        ),
        H=<I
    ->  '$extend_history'(F, G),
        ( arg(2, F, J),
          setarg(2, F, active),
          (   J==not_stored_yet
          ->  nb_getval('$chr_store_multi_hash_chr_translate____max_occurrence___2-1',
                        K),
              insert_ht(K, L, F)
          ;   true
          )
        ),
        passive(D, M),
        (   F=suspension(_, active, _, _, _)
        ->  setarg(2, F, inactive),
            max_occurrence___2__1__2__5(N,
                                        D,
                                        B,
                                        O,
                                        H,
                                        E,
                                        P,
                                        L,
                                        I,
                                        F)
        ;   true
        )
    ;   max_occurrence___2__1__2__5(N,
                                    D,
                                    B,
                                    O,
                                    H,
                                    E,
                                    P,
                                    L,
                                    I,
                                    F)
    ).
max_occurrence___2__1(B, C, A) :-
    A=suspension(D, not_stored_yet, t, B, C),
    'chr gen_id'(D),
    max_occurrence___2__2(B, C, A).
max_occurrence___2__2(D, _, A) :-
    arg(2, A, B),
    setarg(2, A, active),
    (   B==not_stored_yet
    ->  nb_getval('$chr_store_multi_hash_chr_translate____max_occurrence___2-1',
                  C),
        insert_ht(C, D, A)
    ;   true
    ).
get_max_occurrence(B, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____max_occurrence___2-1',
              A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _, _, F),
    !,
    E=F.
get_max_occurrence(A, _) :-
    chr_error(internal,
              'get_max_occurrence: missing max occurrence for ~w\n',
              [A]).
allocation_occurrence(A, B) :-
    allocation_occurrence___2__0(A, B, _).
allocation_occurrence___2__0(B, 0, A) :-
    !,
    A=suspension(C, active, t, B, 0),
    'chr gen_id'(C),
    nb_getval('$chr_store_multi_hash_chr_translate____allocation_occurrence___2-1',
              D),
    insert_ht(D, B, A),
    nb_getval('$chr_store_multi_hash_chr_translate____allocation_occurrence___2-12',
              E),
    insert_ht(E, k(B, 0), A),
    stored_in_guard_before_next_kept_occurrence(B, 0),
    (   A=suspension(_, active, _, _, _)
    ->  setarg(2, A, inactive),
        allocation_occurrence___2__1(B, 0, A)
    ;   true
    ).
allocation_occurrence___2__0(B, C, A) :-
    A=suspension(D, not_stored_yet, t, B, C),
    'chr gen_id'(D),
    allocation_occurrence___2__1(B, C, A).
allocation_occurrence___2__1(B, C, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-12',
              A),
    lookup_ht(A, k(B, C), D),
    !,
    allocation_occurrence___2__1__0__2(D, B, C, E).
allocation_occurrence___2__1__0__2([], A, B, C) :-
    allocation_occurrence___2__2(A, B, C).
allocation_occurrence___2__1__0__2([A|K], C, E, L) :-
    (   ( A=suspension(_, active, _, _, B, D, G, I, J),
          B==C,
          D==E
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____rule___2-1', F),
        lookup_ht(F, G, H)
    ->  allocation_occurrence___2__1__1__2(H,
                                           G,
                                           I,
                                           J,
                                           A,
                                           K,
                                           C,
                                           E,
                                           L)
    ;   allocation_occurrence___2__1__0__2(K, C, E, L)
    ).
allocation_occurrence___2__1__1__2([], _, _, _, _, A, B, C, D) :-
    allocation_occurrence___2__1__0__2(A, B, C, D).
allocation_occurrence___2__1__1__2([A|O], C, L, M, D, P, I, K, E) :-
    (   A=suspension(_, active, _, _, B, N),
        B==C,
        F=t(60, A, D, E),
        '$novel_production'(A, F),
        '$novel_production'(D, F),
        '$novel_production'(E, F)
    ->  '$extend_history'(E, F),
        ( arg(2, E, G),
          setarg(2, E, active),
          (   G==not_stored_yet
          ->  ( nb_getval('$chr_store_multi_hash_chr_translate____allocation_occurrence___2-1',
                          H),
                insert_ht(H, I, E)
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____allocation_occurrence___2-12',
                        J),
              insert_ht(J, k(I, K), E)
          ;   true
          )
        ),
        ( \+ is_passive(C, L),
          M==propagation,
          (   stored_in_guard_before_next_kept_occurrence(I, K)
          ->  true
          ;   N=pragma(rule([_|_], _, _, _), _, _, _, _)
          ->  is_observed(I, K)
          ;   is_least_occurrence(C)
          ->  is_observed(I, K)
          ;   true
          )
        ),
        (   E=suspension(_, active, _, _, _)
        ->  setarg(2, E, inactive),
            allocation_occurrence___2__1__1__2(O,
                                               C,
                                               L,
                                               M,
                                               D,
                                               P,
                                               I,
                                               K,
                                               E)
        ;   true
        )
    ;   allocation_occurrence___2__1__1__2(O,
                                           C,
                                           L,
                                           M,
                                           D,
                                           P,
                                           I,
                                           K,
                                           E)
    ).
allocation_occurrence___2__1(A, B, C) :-
    allocation_occurrence___2__2(A, B, C).
allocation_occurrence___2__2(B, D, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-1', A),
    lookup_ht(A, B, C),
    !,
    allocation_occurrence___2__2__0__3(C, B, D, E).
allocation_occurrence___2__2__0__3([], A, B, C) :-
    allocation_occurrence___2__3(A, B, C).
allocation_occurrence___2__2__0__3([A|I], C, J, K) :-
    (   ( A=suspension(_, active, _, _, B, G, E, H, _),
          B==C
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____least_occurrence___2-1',
                  D),
        lookup_ht(D, E, F)
    ->  allocation_occurrence___2__2__1__3(F,
                                           G,
                                           E,
                                           H,
                                           A,
                                           I,
                                           C,
                                           J,
                                           K)
    ;   allocation_occurrence___2__2__0__3(I, C, J, K)
    ).
allocation_occurrence___2__2__1__3([], _, _, _, _, A, B, C, D) :-
    allocation_occurrence___2__2__0__3(A, B, C, D).
allocation_occurrence___2__2__1__3([A|T], H, C, F, U, V, L, G, P) :-
    (   ( A=suspension(_, active, B, D),
          B==C,
          D=[E|N],
          E==F
        ),
        G>=H,
        ( ( ground(C),
            nb_getval('$chr_store_multi_hash_chr_translate____rule___2-1',
                      I),
            lookup_ht(I, C, J)
          ),
          member(K, J),
          K=suspension(_, active, _, _, _, _)
        ),
        \+ may_trigger(L)
    ->  ( setarg(2, A, removed),
          ( nb_getval('$chr_store_multi_hash_chr_translate____least_occurrence___2-12',
                      M),
            delete_ht(M, k(C, [F|N]), A)
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____least_occurrence___2-1',
                    O),
          delete_ht(O, C, A)
        ),
        ( arg(2, P, Q),
          setarg(2, P, active),
          (   Q==not_stored_yet
          ->  ( nb_getval('$chr_store_multi_hash_chr_translate____allocation_occurrence___2-1',
                          R),
                insert_ht(R, L, P)
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____allocation_occurrence___2-12',
                        S),
              insert_ht(S, k(L, G), P)
          ;   true
          )
        ),
        least_occurrence(C, N),
        (   P=suspension(_, active, _, _, _)
        ->  setarg(2, P, inactive),
            allocation_occurrence___2__2__1__3(T,
                                               H,
                                               C,
                                               F,
                                               U,
                                               V,
                                               L,
                                               G,
                                               P)
        ;   true
        )
    ;   allocation_occurrence___2__2__1__3(T,
                                           H,
                                           C,
                                           F,
                                           U,
                                           V,
                                           L,
                                           G,
                                           P)
    ).
allocation_occurrence___2__2(A, B, C) :-
    allocation_occurrence___2__3(A, B, C).
allocation_occurrence___2__3(B, D, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____functional_dependency___4-1',
              A),
    lookup_ht(A, B, C),
    !,
    allocation_occurrence___2__3__0__5(C, B, D, E).
allocation_occurrence___2__3__0__5([], A, B, C) :-
    allocation_occurrence___2__4(A, B, C).
allocation_occurrence___2__3__0__5([A|R], C, H, L) :-
    (   ( A=suspension(_, active, B, D, P, Q),
          B==C
        ),
        D>1,
        ( ( ( ground(C),
              ground(D)
            ),
            nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-13',
                      E),
            lookup_ht(E, k(C, D), F)
          ),
          member(G, F),
          G=suspension(_, active, _, _, _, I, _, _, _)
        ),
        H>I
    ->  ( setarg(2, A, removed),
          ( nb_getval('$chr_store_multi_hash_chr_translate____functional_dependency___4-1',
                      J),
            delete_ht(J, C, A)
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____functional_dependency___4-12',
                    K),
          delete_ht(K, k(C, D), A)
        ),
        ( arg(2, L, M),
          setarg(2, L, active),
          (   M==not_stored_yet
          ->  ( nb_getval('$chr_store_multi_hash_chr_translate____allocation_occurrence___2-1',
                          N),
                insert_ht(N, C, L)
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____allocation_occurrence___2-12',
                        O),
              insert_ht(O, k(C, H), L)
          ;   true
          )
        ),
        functional_dependency(C, 1, P, Q),
        (   L=suspension(_, active, _, _, _)
        ->  setarg(2, L, inactive),
            allocation_occurrence___2__3__0__5(R,
                                               C,
                                               H,
                                               L)
        ;   true
        )
    ;   allocation_occurrence___2__3__0__5(R, C, H, L)
    ).
allocation_occurrence___2__3(A, B, C) :-
    allocation_occurrence___2__4(A, B, C).
allocation_occurrence___2__4(D, F, A) :-
    arg(2, A, B),
    setarg(2, A, active),
    (   B==not_stored_yet
    ->  ( nb_getval('$chr_store_multi_hash_chr_translate____allocation_occurrence___2-1',
                    C),
          insert_ht(C, D, A)
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____allocation_occurrence___2-12',
                  E),
        insert_ht(E, k(D, F), A)
    ;   true
    ).
get_allocation_occurrence(B, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____allocation_occurrence___2-1',
              A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _, _, F),
    !,
    E=F.
get_allocation_occurrence(_, A) :-
    chr_pp_flag(late_allocation, off),
    A=0.
rule(A, B) :-
    rule___2__0(A, B, _).
rule___2__0(B, D, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-3', A),
    lookup_ht(A, B, F),
    !,
    C=suspension(E, not_stored_yet, t, _, B, D),
    'chr gen_id'(E),
    rule___2__0__0__1(F, B, D, C).
rule___2__0__0__1([], A, B, C) :-
    rule___2__1(A, B, C).
rule___2__0__0__1([A|J], C, K, L) :-
    (   ( A=suspension(_, active, _, _, E, F, B, H, I),
          B==C
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____allocation_occurrence___2-12',
                  D),
        lookup_ht(D, k(E, F), G)
    ->  rule___2__0__1__1(G,
                          E,
                          F,
                          H,
                          I,
                          A,
                          J,
                          C,
                          K,
                          L)
    ;   rule___2__0__0__1(J, C, K, L)
    ).
rule___2__0__1__1([], _, _, _, _, _, A, B, C, D) :-
    rule___2__0__0__1(A, B, C, D).
rule___2__0__1__1([A|R], C, E, O, P, G, S, N, Q, F) :-
    (   A=suspension(_, active, _, B, D),
        ( B==C,
          D==E
        ),
        H=t(60, F, G, A),
        '$novel_production'(F, H),
        '$novel_production'(G, H),
        '$novel_production'(A, H)
    ->  '$extend_history'(F, H),
        ( arg(2, F, I),
          setarg(2, F, active),
          (   I==not_stored_yet
          ->  ( nb_getval('$chr_store_global_ground_chr_translate____rule___2',
                          J),
                K=[F|J],
                b_setval('$chr_store_global_ground_chr_translate____rule___2',
                         K),
                (   J=[L|_]
                ->  setarg(4, L, K)
                ;   true
                )
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____rule___2-1',
                        M),
              insert_ht(M, N, F)
          ;   true
          )
        ),
        ( \+ is_passive(N, O),
          P==propagation,
          (   stored_in_guard_before_next_kept_occurrence(C, E)
          ->  true
          ;   Q=pragma(rule([_|_], _, _, _), _, _, _, _)
          ->  is_observed(C, E)
          ;   is_least_occurrence(N)
          ->  is_observed(C, E)
          ;   true
          )
        ),
        (   F=suspension(_, active, _, _, _, _)
        ->  setarg(2, F, inactive),
            rule___2__0__1__1(R,
                              C,
                              E,
                              O,
                              P,
                              G,
                              S,
                              N,
                              Q,
                              F)
        ;   true
        )
    ;   rule___2__0__1__1(R,
                          C,
                          E,
                          O,
                          P,
                          G,
                          S,
                          N,
                          Q,
                          F)
    ).
rule___2__0(B, C, A) :-
    A=suspension(D, not_stored_yet, t, _, B, C),
    'chr gen_id'(D),
    rule___2__1(B, C, A).
rule___2__1(B, D, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____least_occurrence___2-1',
              A),
    lookup_ht(A, B, C),
    !,
    rule___2__1__0__2(C, B, D, E).
rule___2__1__0__2([], A, B, C) :-
    rule___2__2(A, B, C).
rule___2__1__0__2([A|X], C, Y, R) :-
    (   ( A=suspension(_, active, B, D),
          B==C,
          D=[E|P]
        ),
        ( ( ( ground(C),
              ground(E)
            ),
            nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-34',
                      F),
            lookup_ht(F, k(C, E), G)
          ),
          member(H, G),
          H=suspension(_, active, _, _, J, N, _, _, _)
        ),
        ( ( nb_getval('$chr_store_multi_hash_chr_translate____allocation_occurrence___2-1',
                      I),
            lookup_ht(I, J, K)
          ),
          member(L, K),
          L=suspension(_, active, _, _, M)
        ),
        M>=N,
        \+ may_trigger(J)
    ->  ( setarg(2, A, removed),
          ( nb_getval('$chr_store_multi_hash_chr_translate____least_occurrence___2-12',
                      O),
            delete_ht(O, k(C, [E|P]), A)
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____least_occurrence___2-1',
                    Q),
          delete_ht(Q, C, A)
        ),
        ( arg(2, R, S),
          setarg(2, R, active),
          (   S==not_stored_yet
          ->  ( nb_getval('$chr_store_global_ground_chr_translate____rule___2',
                          T),
                U=[R|T],
                b_setval('$chr_store_global_ground_chr_translate____rule___2',
                         U),
                (   T=[V|_]
                ->  setarg(4, V, U)
                ;   true
                )
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____rule___2-1',
                        W),
              insert_ht(W, C, R)
          ;   true
          )
        ),
        least_occurrence(C, P),
        (   R=suspension(_, active, _, _, _, _)
        ->  setarg(2, R, inactive),
            rule___2__1__0__2(X, C, Y, R)
        ;   true
        )
    ;   rule___2__1__0__2(X, C, Y, R)
    ).
rule___2__1(A, B, C) :-
    rule___2__2(A, B, C).
rule___2__2(B, D, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____least_occurrence___2-1',
              A),
    lookup_ht(A, B, C),
    !,
    rule___2__2__0__3(C, B, D, E).
rule___2__2__0__3([], A, B, C) :-
    rule___2__3(A, B, C).
rule___2__2__0__3([A|R], C, S, L) :-
    (   ( A=suspension(_, active, B, D),
          B==C,
          D=[E|J]
        ),
        ( ( ground(C),
            ground(E)
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____passive___2-12',
                    F),
          lookup_ht(F, k(C, E), G)
        ),
        member(H, G),
        H=suspension(_, active, _, _, _)
    ->  ( setarg(2, A, removed),
          ( nb_getval('$chr_store_multi_hash_chr_translate____least_occurrence___2-12',
                      I),
            delete_ht(I, k(C, [E|J]), A)
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____least_occurrence___2-1',
                    K),
          delete_ht(K, C, A)
        ),
        ( arg(2, L, M),
          setarg(2, L, active),
          (   M==not_stored_yet
          ->  ( nb_getval('$chr_store_global_ground_chr_translate____rule___2',
                          N),
                O=[L|N],
                b_setval('$chr_store_global_ground_chr_translate____rule___2',
                         O),
                (   N=[P|_]
                ->  setarg(4, P, O)
                ;   true
                )
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____rule___2-1',
                        Q),
              insert_ht(Q, C, L)
          ;   true
          )
        ),
        least_occurrence(C, J),
        (   L=suspension(_, active, _, _, _, _)
        ->  setarg(2, L, inactive),
            rule___2__2__0__3(R, C, S, L)
        ;   true
        )
    ;   rule___2__2__0__3(R, C, S, L)
    ).
rule___2__2(A, B, C) :-
    rule___2__3(A, B, C).
rule___2__3(H, A, B) :-
    A=pragma(rule([], _, _, _), ids([], I), _, _, _),
    !,
    arg(2, B, C),
    setarg(2, B, active),
    (   C==not_stored_yet
    ->  ( nb_getval('$chr_store_global_ground_chr_translate____rule___2',
                    D),
          E=[B|D],
          b_setval('$chr_store_global_ground_chr_translate____rule___2', E),
          (   D=[F|_]
          ->  setarg(4, F, E)
          ;   true
          )
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____rule___2-1', G),
        insert_ht(G, H, B)
    ;   true
    ),
    least_occurrence(H, I),
    (   B=suspension(_, active, _, _, _, _)
    ->  setarg(2, B, inactive),
        rule___2__4(H, A, B)
    ;   true
    ).
rule___2__3(A, B, C) :-
    rule___2__4(A, B, C).
rule___2__4(B, E, S) :-
    nb_getval('$chr_store_multi_hash_chr_translate____prev_guard_list___6-1',
              A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _, _, _, F1, F, H, G, _),
    E=pragma(rule(Z, A1, F, L), C1, D1, E1, B),
    F\==true,
    append(G, H, I),
    (   conj2list(F, J),
        append(I, J, K),
        guard_entailment:entails_guard(K, fail)
    ->  M=fail
    ;   simplify_guard(F, L, I, M, B1)
    ),
    F\==M,
    !,
    setarg(2, D, removed),
    arg(4, D, N),
    (   var(N)
    ->  nb_getval('$chr_store_global_ground_chr_translate____prev_guard_list___6',
                  O),
        O=[_|P],
        b_setval('$chr_store_global_ground_chr_translate____prev_guard_list___6',
                 P),
        (   P=[Q|_]
        ->  setarg(4, Q, _)
        ;   true
        )
    ;   N=[_, _|P],
        setarg(2, N, P),
        (   P=[Q|_]
        ->  setarg(4, Q, N)
        ;   true
        )
    ),
    nb_getval('$chr_store_multi_hash_chr_translate____prev_guard_list___6-1',
              R),
    delete_ht(R, B, D),
    (   var(S)
    ->  true
    ;   arg(2, S, T),
        setarg(2, S, removed),
        (   T==not_stored_yet
        ->  true
        ;   ( arg(4, S, U),
              (   var(U)
              ->  nb_getval('$chr_store_global_ground_chr_translate____rule___2',
                            V),
                  V=[_|W],
                  b_setval('$chr_store_global_ground_chr_translate____rule___2',
                           W),
                  (   W=[X|_]
                  ->  setarg(4, X, _)
                  ;   true
                  )
              ;   U=[_, _|W],
                  setarg(2, U, W),
                  (   W=[X|_]
                  ->  setarg(4, X, U)
                  ;   true
                  )
              )
            ),
            nb_getval('$chr_store_multi_hash_chr_translate____rule___2-1',
                      Y),
            delete_ht(Y, B, S)
        )
    ),
    rule(B,
         pragma(rule(Z, A1, M, B1),
                C1,
                D1,
                E1,
                B)),
    prev_guard_list(B, F1, M, H, G, []).
rule___2__4(B, C, D) :-
    nb_getval('$chr_store_global_ground_chr_translate____precompute_head_matchings___0',
              A),
    !,
    rule___2__4__0__10(A, B, C, D).
rule___2__4__0__10([], A, B, C) :-
    rule___2__5(A, B, C).
rule___2__4__0__10([A|R], I, J, B) :-
    (   A=suspension(_, active, _, _),
        C=t(174, B, A),
        '$novel_production'(B, C),
        '$novel_production'(A, C)
    ->  '$extend_history'(B, C),
        ( arg(2, B, D),
          setarg(2, B, active),
          (   D==not_stored_yet
          ->  ( nb_getval('$chr_store_global_ground_chr_translate____rule___2',
                          E),
                F=[B|E],
                b_setval('$chr_store_global_ground_chr_translate____rule___2',
                         F),
                (   E=[G|_]
                ->  setarg(4, G, F)
                ;   true
                )
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____rule___2-1',
                        H),
              insert_ht(H, I, B)
          ;   true
          )
        ),
        ( J=pragma(rule(K, L, _, _), _, _, _, _),
          append(K, L, M),
          make_head_matchings_explicit_(M, N, O),
          copy_term_nat(N-O, P-Q),
          make_head_matchings_explicit_memo_table(I, P, Q)
        ),
        (   B=suspension(_, active, _, _, _, _)
        ->  setarg(2, B, inactive),
            rule___2__4__0__10(R, I, J, B)
        ;   true
        )
    ;   rule___2__4__0__10(R, I, J, B)
    ).
rule___2__4(A, B, C) :-
    rule___2__5(A, B, C).
rule___2__5(B, D, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____prev_guard_list___6-1',
              A),
    lookup_ht(A, B, C),
    !,
    rule___2__5__0__11(C, B, D, E).
rule___2__5__0__11([], A, B, C) :-
    rule___2__6(A, B, C).
rule___2__5__0__11([A|R], C, F, D) :-
    (   A=suspension(_, active, _, _, B, _, G, I, H, _),
        B==C,
        ( E=t(178, A, D),
          '$novel_production'(A, E),
          '$novel_production'(D, E)
        ),
        chr_pp_flag(check_impossible_rules, on),
        F=pragma(rule(_, _, G, _), _, _, _, C),
        conj2list(G, K),
        append(H, I, J),
        append(J, K, L),
        guard_entailment:entails_guard(L, fail)
    ->  '$extend_history'(D, E),
        ( arg(2, D, M),
          setarg(2, D, active),
          (   M==not_stored_yet
          ->  ( nb_getval('$chr_store_global_ground_chr_translate____rule___2',
                          N),
                O=[D|N],
                b_setval('$chr_store_global_ground_chr_translate____rule___2',
                         O),
                (   N=[P|_]
                ->  setarg(4, P, O)
                ;   true
                )
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____rule___2-1',
                        Q),
              insert_ht(Q, C, D)
          ;   true
          )
        ),
        ( chr_warning(weird_program,
                      'Heads will never match or guard will always fail in ~@.\n\tThis rule will never fire!\n',
                      [format_rule(F)]),
          set_all_passive(C)
        ),
        (   D=suspension(_, active, _, _, _, _)
        ->  setarg(2, D, inactive),
            rule___2__5__0__11(R, C, F, D)
        ;   true
        )
    ;   rule___2__5__0__11(R, C, F, D)
    ).
rule___2__5(A, B, C) :-
    rule___2__6(A, B, C).
rule___2__6(B, E, B1) :-
    nb_getval('$chr_store_multi_hash_chr_translate____prev_guard_list___6-1',
              A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _, _, _, M, F, H, G, _),
    E=pragma(rule(K, L, F, I), Y, Z, A1, B),
    simplify_heads(G, H, F, I, J, S),
    J\==[],
    extract_arguments(K, N),
    extract_arguments(L, O),
    extract_arguments(M, P),
    replace_some_heads(N,
                       O,
                       P,
                       J,
                       Q,
                       R,
                       F,
                       I,
                       T),
    substitute_arguments(K, Q, V),
    substitute_arguments(L, R, W),
    append(S, T, U),
    list2conj(U, X),
    I1=pragma(rule(V, W, F,  (X, I)), Y, Z, A1, B),
    (   K\==V
    ;   L\==W
    ),
    !,
    (   var(B1)
    ->  true
    ;   arg(2, B1, C1),
        setarg(2, B1, removed),
        (   C1==not_stored_yet
        ->  true
        ;   ( arg(4, B1, D1),
              (   var(D1)
              ->  nb_getval('$chr_store_global_ground_chr_translate____rule___2',
                            E1),
                  E1=[_|F1],
                  b_setval('$chr_store_global_ground_chr_translate____rule___2',
                           F1),
                  (   F1=[G1|_]
                  ->  setarg(4, G1, _)
                  ;   true
                  )
              ;   D1=[_, _|F1],
                  setarg(2, D1, F1),
                  (   F1=[G1|_]
                  ->  setarg(4, G1, D1)
                  ;   true
                  )
              )
            ),
            nb_getval('$chr_store_multi_hash_chr_translate____rule___2-1',
                      H1),
            delete_ht(H1, B, B1)
        )
    ),
    rule(B, I1).
rule___2__6(B, D, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-3', A),
    lookup_ht(A, B, C),
    !,
    rule___2__6__0__13(C, B, D, E).
rule___2__6__0__13([], A, B, C) :-
    rule___2__7(A, B, C).
rule___2__6__0__13([A|H], C, I, J) :-
    (   ( A=suspension(_, active, _, _, E, G, B, _, _),
          B==C
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-13',
                  D),
        lookup_ht(D, k(E, C), F)
    ->  rule___2__6__1__13(F,
                           E,
                           G,
                           A,
                           H,
                           C,
                           I,
                           J)
    ;   rule___2__6__0__13(H, C, I, J)
    ).
rule___2__6__1__13([], _, _, _, A, B, C, D) :-
    rule___2__6__0__13(A, B, C, D).
rule___2__6__1__13([A|K], D, L, B, M, F, N, O) :-
    (   ( A=suspension(_, active, _, _, C, I, E, J, _),
          A\==B,
          C==D,
          E==F
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____prev_guard_list___6-1',
                  G),
        lookup_ht(G, F, H)
    ->  rule___2__6__2__13(H,
                           I,
                           J,
                           A,
                           K,
                           D,
                           L,
                           B,
                           M,
                           F,
                           N,
                           O)
    ;   rule___2__6__1__13(K,
                           D,
                           L,
                           B,
                           M,
                           F,
                           N,
                           O)
    ).
rule___2__6__2__13([], _, _, _, A, B, C, D, E, F, G, H) :-
    rule___2__6__1__13(A,
                       B,
                       C,
                       D,
                       E,
                       F,
                       G,
                       H).
rule___2__6__2__13([A|E], F, G, H, I, J, K, L, M, C, N, O) :-
    (   ( A=suspension(_, active, _, _, B, _, _, _, _, _),
          B==C
        ),
        nb_getval('$chr_store_global_ground_chr_translate____multiple_occ_constraints_checked___1',
                  D)
    ->  rule___2__6__3__13(D,
                           A,
                           E,
                           F,
                           G,
                           H,
                           I,
                           J,
                           K,
                           L,
                           M,
                           C,
                           N,
                           O)
    ;   rule___2__6__2__13(E,
                           F,
                           G,
                           H,
                           I,
                           J,
                           K,
                           L,
                           M,
                           C,
                           N,
                           O)
    ).
rule___2__6__3__13([], _, A, B, C, D, E, F, G, H, I, J, K, L) :-
    rule___2__6__2__13(A,
                       B,
                       C,
                       D,
                       E,
                       F,
                       G,
                       H,
                       I,
                       J,
                       K,
                       L).
rule___2__6__3__13([A|U], V, W, B, S, X, Y, F, C, Z, A1, R, D, L) :-
    (   A=suspension(_, active, _, G),
        B<C,
        chr_pp_flag(occurrence_subsumption, on),
        D=pragma(rule(E, _, _, _), _, _, _, _),
        E\==[],
        \+ tree_set_memberchk(F, G)
    ->  ( setarg(2, A, removed),
          arg(3, A, H),
          (   var(H)
          ->  nb_getval('$chr_store_global_ground_chr_translate____multiple_occ_constraints_checked___1',
                        I),
              I=[_|J],
              b_setval('$chr_store_global_ground_chr_translate____multiple_occ_constraints_checked___1',
                       J),
              (   J=[K|_]
              ->  setarg(3, K, _)
              ;   true
              )
          ;   H=[_, _|J],
              setarg(2, H, J),
              (   J=[K|_]
              ->  setarg(3, K, H)
              ;   true
              )
          )
        ),
        ( arg(2, L, M),
          setarg(2, L, active),
          (   M==not_stored_yet
          ->  ( nb_getval('$chr_store_global_ground_chr_translate____rule___2',
                          N),
                O=[L|N],
                b_setval('$chr_store_global_ground_chr_translate____rule___2',
                         O),
                (   N=[P|_]
                ->  setarg(4, P, O)
                ;   true
                )
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____rule___2-1',
                        Q),
              insert_ht(Q, R, L)
          ;   true
          )
        ),
        ( first_occ_in_rule(R, F, B, S),
          tree_set_add(G, F, T),
          multiple_occ_constraints_checked(T)
        ),
        (   L=suspension(_, active, _, _, _, _)
        ->  setarg(2, L, inactive),
            rule___2__6__3__13(U,
                               V,
                               W,
                               B,
                               S,
                               X,
                               Y,
                               F,
                               C,
                               Z,
                               A1,
                               R,
                               D,
                               L)
        ;   true
        )
    ;   rule___2__6__3__13(U,
                           V,
                           W,
                           B,
                           S,
                           X,
                           Y,
                           F,
                           C,
                           Z,
                           A1,
                           R,
                           D,
                           L)
    ).
rule___2__6(A, B, C) :-
    rule___2__7(A, B, C).
rule___2__7(B, D, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____passive___2-1', A),
    lookup_ht(A, B, C),
    !,
    rule___2__7__0__15(C, B, D, E).
rule___2__7__0__15([], A, B, C) :-
    rule___2__8(A, B, C).
rule___2__7__0__15([A|P], C, F, D) :-
    (   A=suspension(_, active, _, B, G),
        B==C,
        ( E=t(251, D, A),
          '$novel_production'(D, E),
          '$novel_production'(A, E)
        ),
        F=pragma(rule(_, _, _, _), ids([G|M], N), _, _, C)
    ->  '$extend_history'(D, E),
        ( arg(2, D, H),
          setarg(2, D, active),
          (   H==not_stored_yet
          ->  ( nb_getval('$chr_store_global_ground_chr_translate____rule___2',
                          I),
                J=[D|I],
                b_setval('$chr_store_global_ground_chr_translate____rule___2',
                         J),
                (   I=[K|_]
                ->  setarg(4, K, J)
                ;   true
                )
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____rule___2-1',
                        L),
              insert_ht(L, C, D)
          ;   true
          )
        ),
        ( append(M, N, O),
          check_all_passive(C, O)
        ),
        (   D=suspension(_, active, _, _, _, _)
        ->  setarg(2, D, inactive),
            rule___2__7__0__15(P, C, F, D)
        ;   true
        )
    ;   rule___2__7__0__15(P, C, F, D)
    ).
rule___2__7(A, B, C) :-
    rule___2__8(A, B, C).
rule___2__8(B, D, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____passive___2-1', A),
    lookup_ht(A, B, C),
    !,
    rule___2__8__0__16(C, B, D, E).
rule___2__8__0__16([], A, B, C) :-
    rule___2__9(A, B, C).
rule___2__8__0__16([A|N], C, F, D) :-
    (   A=suspension(_, active, _, B, G),
        B==C,
        ( E=t(252, D, A),
          '$novel_production'(D, E),
          '$novel_production'(A, E)
        ),
        F=pragma(rule(_, _, _, _), ids([], [G|M]), _, _, C)
    ->  '$extend_history'(D, E),
        ( arg(2, D, H),
          setarg(2, D, active),
          (   H==not_stored_yet
          ->  ( nb_getval('$chr_store_global_ground_chr_translate____rule___2',
                          I),
                J=[D|I],
                b_setval('$chr_store_global_ground_chr_translate____rule___2',
                         J),
                (   I=[K|_]
                ->  setarg(4, K, J)
                ;   true
                )
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____rule___2-1',
                        L),
              insert_ht(L, C, D)
          ;   true
          )
        ),
        check_all_passive(C, M),
        (   D=suspension(_, active, _, _, _, _)
        ->  setarg(2, D, inactive),
            rule___2__8__0__16(N, C, F, D)
        ;   true
        )
    ;   rule___2__8__0__16(N, C, F, D)
    ).
rule___2__8(A, B, C) :-
    rule___2__9(A, B, C).
rule___2__9(B, D, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____check_all_passive___2-12',
              A),
    lookup_ht(A, k(B, []), C),
    !,
    rule___2__9__0__17(C, B, D, E).
rule___2__9__0__17([], A, B, C) :-
    rule___2__10(A, B, C).
rule___2__9__0__17([A|N], C, M, G) :-
    (   A=suspension(_, active, B, D),
        B==C,
        D=[]
    ->  ( setarg(2, A, removed),
          ( nb_getval('$chr_store_multi_hash_chr_translate____check_all_passive___2-12',
                      E),
            delete_ht(E, k(C, []), A)
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____check_all_passive___2-1',
                    F),
          delete_ht(F, C, A)
        ),
        ( arg(2, G, H),
          setarg(2, G, active),
          (   H==not_stored_yet
          ->  ( nb_getval('$chr_store_global_ground_chr_translate____rule___2',
                          I),
                J=[G|I],
                b_setval('$chr_store_global_ground_chr_translate____rule___2',
                         J),
                (   I=[K|_]
                ->  setarg(4, K, J)
                ;   true
                )
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____rule___2-1',
                        L),
              insert_ht(L, C, G)
          ;   true
          )
        ),
        chr_warning(weird_program,
                    'All heads passive in ~@.\n\tThis rule never fires. Please check your program.\n',
                    [format_rule(M)]),
        (   G=suspension(_, active, _, _, _, _)
        ->  setarg(2, G, inactive),
            rule___2__9__0__17(N, C, M, G)
        ;   true
        )
    ;   rule___2__9__0__17(N, C, M, G)
    ).
rule___2__9(A, B, C) :-
    rule___2__10(A, B, C).
rule___2__10(B, D, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-3', A),
    lookup_ht(A, B, C),
    !,
    rule___2__10__0__22(C, B, D, E).
rule___2__10__0__22([], A, B, C) :-
    rule___2__11(A, B, C).
rule___2__10__0__22([A|H], C, I, J) :-
    (   ( A=suspension(_, active, _, _, E, _, B, F, G),
          B==C
        ),
        nb_getval('$chr_store_global_ground_chr_translate____partial_wake_analysis___0',
                  D)
    ->  rule___2__10__1__22(D,
                            E,
                            F,
                            G,
                            A,
                            H,
                            C,
                            I,
                            J)
    ;   rule___2__10__0__22(H, C, I, J)
    ).
rule___2__10__1__22([], _, _, _, _, A, B, C, D) :-
    rule___2__10__0__22(A, B, C, D).
rule___2__10__1__22([A|E], C, F, G, H, I, J, K, L) :-
    (   A=suspension(_, active, _, _),
        nb_getval('$chr_store_multi_hash_chr_translate____constraint_mode___2-1',
                  B),
        lookup_ht(B, C, D)
    ->  rule___2__10__2__22(D,
                            A,
                            E,
                            C,
                            F,
                            G,
                            H,
                            I,
                            J,
                            K,
                            L)
    ;   rule___2__10__1__22(E,
                            C,
                            F,
                            G,
                            H,
                            I,
                            J,
                            K,
                            L)
    ).
rule___2__10__2__22([], _, A, B, C, D, E, F, G, H, I) :-
    rule___2__10__1__22(A,
                        B,
                        C,
                        D,
                        E,
                        F,
                        G,
                        H,
                        I).
rule___2__10__2__22([A|X], D, Y, C, O, P, E, Z, M, N, F) :-
    (   A=suspension(_, active, _, _, B, U),
        B==C,
        G=t(330, D, E, F, A),
        '$novel_production'(D, G),
        '$novel_production'(E, G),
        '$novel_production'(F, G),
        '$novel_production'(A, G)
    ->  '$extend_history'(F, G),
        ( arg(2, F, H),
          setarg(2, F, active),
          (   H==not_stored_yet
          ->  ( nb_getval('$chr_store_global_ground_chr_translate____rule___2',
                          I),
                J=[F|I],
                b_setval('$chr_store_global_ground_chr_translate____rule___2',
                         J),
                (   I=[K|_]
                ->  setarg(4, K, J)
                ;   true
                )
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____rule___2-1',
                        L),
              insert_ht(L, M, F)
          ;   true
          )
        ),
        ( N=pragma(rule(Q, W, S, _), _, _, _, _),
          (   is_passive(M, O)
          ->  true
          ;   P==simplification
          ->  select(R, Q, _),
              R=..[_|T],
              term_variables(S, V),
              partial_wake_args(T, U, V, C)
          ;   select(R, W, _),
              R=..[_|T],
              term_variables(S, V),
              partial_wake_args(T, U, V, C)
          )
        ),
        (   F=suspension(_, active, _, _, _, _)
        ->  setarg(2, F, inactive),
            rule___2__10__2__22(X,
                                D,
                                Y,
                                C,
                                O,
                                P,
                                E,
                                Z,
                                M,
                                N,
                                F)
        ;   true
        )
    ;   rule___2__10__2__22(X,
                            D,
                            Y,
                            C,
                            O,
                            P,
                            E,
                            Z,
                            M,
                            N,
                            F)
    ).
rule___2__10(A, B, C) :-
    rule___2__11(A, B, C).
rule___2__11(G, _, A) :-
    arg(2, A, B),
    setarg(2, A, active),
    (   B==not_stored_yet
    ->  ( nb_getval('$chr_store_global_ground_chr_translate____rule___2',
                    C),
          D=[A|C],
          b_setval('$chr_store_global_ground_chr_translate____rule___2', D),
          (   C=[E|_]
          ->  setarg(4, E, D)
          ;   true
          )
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____rule___2-1', F),
        insert_ht(F, G, A)
    ;   true
    ).
get_rule(B, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____rule___2-1', A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _, _, _, F),
    !,
    E=F.
get_rule(_, _) :-
    fail.
least_occurrence(B, [F|O]) :-
    ( nb_getval('$chr_store_multi_hash_chr_translate____rule___2-1', A),
      lookup_ht(A, B, C),
      member(D, C),
      D=suspension(_, active, _, _, _, _)
    ),
    (   nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-34',
                  E),
        lookup_ht(E, k(B, F), G),
        member(H, G),
        H=suspension(_, active, _, _, J, N, _, _, _),
        nb_getval('$chr_store_multi_hash_chr_translate____allocation_occurrence___2-1',
                  I),
        lookup_ht(I, J, K),
        member(L, K),
        L=suspension(_, active, _, _, M),
        M>=N,
        \+ may_trigger(J),
        !,
        least_occurrence(B, O)
    ;   nb_getval('$chr_store_multi_hash_chr_translate____passive___2-12',
                  P),
        lookup_ht(P, k(B, F), Q),
        member(R, Q),
        R=suspension(_, active, _, _, _),
        !,
        least_occurrence(B, O)
    ).
least_occurrence(A, B) :-
    E=suspension(C, active, A, B),
    'chr gen_id'(C),
    nb_getval('$chr_store_multi_hash_chr_translate____least_occurrence___2-12',
              D),
    insert_ht(D, k(A, B), E),
    nb_getval('$chr_store_multi_hash_chr_translate____least_occurrence___2-1',
              F),
    insert_ht(F, A, E).
is_least_occurrence(B) :-
    nb_getval('$chr_store_multi_hash_chr_translate____least_occurrence___2-12',
              A),
    lookup_ht(A, k(B, []), C),
    member(D, C),
    D=suspension(_, active, _, _),
    !.
is_least_occurrence(_) :-
    fail.
stored_in_guard_lookahead(B, C) :-
    ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-12',
                A),
      lookup_ht(A, k(B, C), D),
      member(E, D),
      E=suspension(_, active, _, _, _, _, G, H, L)
    ),
    (   nb_getval('$chr_store_multi_hash_chr_translate____passive___2-12',
                  F),
        lookup_ht(F, k(G, H), I),
        member(J, I),
        J=suspension(_, active, _, _, _),
        !,
        K is C+1,
        stored_in_guard_lookahead(B, K)
    ;   !,
        L==simplification,
        (   is_stored_in_guard(B, G)
        ->  true
        ;   M is C+1,
            stored_in_guard_lookahead(B, M)
        )
    ).
stored_in_guard_lookahead(_, _) :-
    fail.
constraint_index(A, B) :-
    E=suspension(C, active, A, B),
    'chr gen_id'(C),
    nb_getval('$chr_store_multi_hash_chr_translate____constraint_index___2-2',
              D),
    insert_ht(D, B, E),
    nb_getval('$chr_store_multi_hash_chr_translate____constraint_index___2-1',
              F),
    insert_ht(F, A, E).
get_constraint_index(B, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____constraint_index___2-1',
              A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _, F),
    !,
    E=F.
get_constraint_index(_, _) :-
    fail.
get_indexed_constraint(B, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____constraint_index___2-2',
              A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, F, _),
    !,
    E=F.
get_indexed_constraint(_, _) :-
    fail.
max_constraint_index(A) :-
    C=suspension(B, active, _, A),
    'chr gen_id'(B),
    nb_getval('$chr_store_global_ground_chr_translate____max_constraint_index___1',
              D),
    E=[C|D],
    b_setval('$chr_store_global_ground_chr_translate____max_constraint_index___1',
             E),
    (   D=[F|_]
    ->  setarg(3, F, E)
    ;   true
    ).
get_max_constraint_index(C) :-
    nb_getval('$chr_store_global_ground_chr_translate____max_constraint_index___1',
              A),
    member(B, A),
    B=suspension(_, active, _, D),
    !,
    C=D.
get_max_constraint_index(0).
identifier_size(C) :-
    nb_getval('$chr_store_global_ground_chr_translate____identifier_size___1',
              A),
    (   member(B, A),
        B=suspension(_, active, _, _),
        !
    ;   !,
        identifier_size___1__0__0__2(A, C)
    ).
identifier_size___1__0__0__2([], A) :-
    identifier_size___1__1(A).
identifier_size___1__0__0__2([A|F], G) :-
    (   A=suspension(_, active, _, _)
    ->  ( setarg(2, A, removed),
          arg(3, A, B),
          (   var(B)
          ->  nb_getval('$chr_store_global_ground_chr_translate____identifier_size___1',
                        C),
              C=[_|D],
              b_setval('$chr_store_global_ground_chr_translate____identifier_size___1',
                       D),
              (   D=[E|_]
              ->  setarg(3, E, _)
              ;   true
              )
          ;   B=[_, _|D],
              setarg(2, B, D),
              (   D=[E|_]
              ->  setarg(3, E, B)
              ;   true
              )
          )
        ),
        identifier_size___1__0__0__2(F, G)
    ;   identifier_size___1__0__0__2(F, G)
    ).
identifier_size(A) :-
    identifier_size___1__1(A).
identifier_size___1__1(A) :-
    C=suspension(B, active, _, A),
    'chr gen_id'(B),
    nb_getval('$chr_store_global_ground_chr_translate____identifier_size___1',
              D),
    E=[C|D],
    b_setval('$chr_store_global_ground_chr_translate____identifier_size___1',
             E),
    (   D=[F|_]
    ->  setarg(3, F, E)
    ;   true
    ).
get_identifier_size(C) :-
    nb_getval('$chr_store_global_ground_chr_translate____identifier_size___1',
              A),
    member(B, A),
    B=suspension(_, active, _, D),
    !,
    C=D.
get_identifier_size(1).
identifier_index(B, C, F) :-
    ( nb_getval('$chr_store_multi_hash_chr_translate____identifier_index___3-12',
                A),
      lookup_ht(A, k(B, C), D)
    ),
    (   member(E, D),
        E=suspension(_, active, _, _, _),
        !
    ;   !,
        identifier_index___3__0__0__2(D, B, C, F)
    ).
identifier_index___3__0__0__2([], A, B, C) :-
    identifier_index___3__1(A, B, C).
identifier_index___3__0__0__2([A|G], C, E, H) :-
    (   A=suspension(_, active, B, D, _),
        B==C,
        D==E
    ->  ( setarg(2, A, removed),
          nb_getval('$chr_store_multi_hash_chr_translate____identifier_index___3-12',
                    F),
          delete_ht(F, k(C, E), A)
        ),
        identifier_index___3__0__0__2(G, C, E, H)
    ;   identifier_index___3__0__0__2(G, C, E, H)
    ).
identifier_index(A, B, C) :-
    identifier_index___3__1(A, B, C).
identifier_index___3__1(A, B, C) :-
    F=suspension(D, active, A, B, C),
    'chr gen_id'(D),
    nb_getval('$chr_store_multi_hash_chr_translate____identifier_index___3-12',
              E),
    insert_ht(E, k(A, B), F).
get_identifier_index(B, C, F) :-
    nb_getval('$chr_store_multi_hash_chr_translate____identifier_index___3-12',
              A),
    lookup_ht(A, k(B, C), D),
    member(E, D),
    E=suspension(_, active, _, _, G),
    !,
    F=G.
get_identifier_index(H, I, K) :-
    nb_getval('$chr_store_global_ground_chr_translate____identifier_size___1',
              A),
    member(B, A),
    B=suspension(_, active, _, G),
    !,
    setarg(2, B, removed),
    arg(3, B, C),
    (   var(C)
    ->  nb_getval('$chr_store_global_ground_chr_translate____identifier_size___1',
                  D),
        D=[_|E],
        b_setval('$chr_store_global_ground_chr_translate____identifier_size___1',
                 E),
        (   E=[F|_]
        ->  setarg(3, F, _)
        ;   true
        )
    ;   C=[_, _|E],
        setarg(2, C, E),
        (   E=[F|_]
        ->  setarg(3, F, C)
        ;   true
        )
    ),
    J is G+1,
    identifier_index(H, I, J),
    identifier_size(J),
    K=J.
get_identifier_index(A, B, C) :-
    identifier_index(A, B, 2),
    identifier_size(2),
    C=2.
type_indexed_identifier_size(B, E) :-
    ( nb_getval('$chr_store_multi_hash_chr_translate____type_indexed_identifier_size___2-1',
                A),
      lookup_ht(A, B, C)
    ),
    (   member(D, C),
        D=suspension(_, active, _, _),
        !
    ;   !,
        type_indexed_identifier_size___2__0__0__2(C, B, E)
    ).
type_indexed_identifier_size___2__0__0__2([], A, B) :-
    type_indexed_identifier_size___2__1(A, B).
type_indexed_identifier_size___2__0__0__2([A|E], C, F) :-
    (   A=suspension(_, active, B, _),
        B==C
    ->  ( setarg(2, A, removed),
          nb_getval('$chr_store_multi_hash_chr_translate____type_indexed_identifier_size___2-1',
                    D),
          delete_ht(D, C, A)
        ),
        type_indexed_identifier_size___2__0__0__2(E, C, F)
    ;   type_indexed_identifier_size___2__0__0__2(E, C, F)
    ).
type_indexed_identifier_size(A, B) :-
    type_indexed_identifier_size___2__1(A, B).
type_indexed_identifier_size___2__1(A, B) :-
    E=suspension(C, active, A, B),
    'chr gen_id'(C),
    nb_getval('$chr_store_multi_hash_chr_translate____type_indexed_identifier_size___2-1',
              D),
    insert_ht(D, A, E).
get_type_indexed_identifier_size(B, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____type_indexed_identifier_size___2-1',
              A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _, F),
    !,
    E=F.
get_type_indexed_identifier_size(_, 1).
type_indexed_identifier_index(F, B, C, G) :-
    ( nb_getval('$chr_store_multi_hash_chr_translate____type_indexed_identifier_index___4-23',
                A),
      lookup_ht(A, k(B, C), D)
    ),
    (   member(E, D),
        E=suspension(_, active, _, _, _, _),
        !
    ;   !,
        type_indexed_identifier_index___4__0__0__2(D,
                                                   F,
                                                   B,
                                                   C,
                                                   G)
    ).
type_indexed_identifier_index___4__0__0__2([], A, B, C, D) :-
    type_indexed_identifier_index___4__1(A, B, C, D).
type_indexed_identifier_index___4__0__0__2([A|I], J, C, E, K) :-
    (   A=suspension(_, active, G, B, D, _),
        B==C,
        D==E
    ->  ( setarg(2, A, removed),
          ( nb_getval('$chr_store_multi_hash_chr_translate____type_indexed_identifier_index___4-123',
                      F),
            delete_ht(F, k(G, C, E), A)
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____type_indexed_identifier_index___4-23',
                    H),
          delete_ht(H, k(C, E), A)
        ),
        type_indexed_identifier_index___4__0__0__2(I,
                                                   J,
                                                   C,
                                                   E,
                                                   K)
    ;   type_indexed_identifier_index___4__0__0__2(I,
                                                   J,
                                                   C,
                                                   E,
                                                   K)
    ).
type_indexed_identifier_index(A, B, C, D) :-
    type_indexed_identifier_index___4__1(A, B, C, D).
type_indexed_identifier_index___4__1(A, B, C, D) :-
    G=suspension(E, active, A, B, C, D),
    'chr gen_id'(E),
    nb_getval('$chr_store_multi_hash_chr_translate____type_indexed_identifier_index___4-123',
              F),
    insert_ht(F, k(A, B, C), G),
    nb_getval('$chr_store_multi_hash_chr_translate____type_indexed_identifier_index___4-23',
              H),
    insert_ht(H, k(B, C), G).
get_type_indexed_identifier_index(B, C, D, G) :-
    nb_getval('$chr_store_multi_hash_chr_translate____type_indexed_identifier_index___4-123',
              A),
    lookup_ht(A, k(B, C, D), E),
    member(F, E),
    F=suspension(_, active, _, _, _, H),
    !,
    G=H.
get_type_indexed_identifier_index(B, G, H, J) :-
    nb_getval('$chr_store_multi_hash_chr_translate____type_indexed_identifier_size___2-1',
              A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _, F),
    !,
    setarg(2, D, removed),
    nb_getval('$chr_store_multi_hash_chr_translate____type_indexed_identifier_size___2-1',
              E),
    delete_ht(E, B, D),
    I is F+1,
    type_indexed_identifier_index(B, G, H, I),
    type_indexed_identifier_size(B, I),
    J=I.
get_type_indexed_identifier_index(A, B, C, D) :-
    type_indexed_identifier_index(A, B, C, 2),
    type_indexed_identifier_size(A, 2),
    D=2.
no_history(A) :-
    D=suspension(B, active, A),
    'chr gen_id'(B),
    nb_getval('$chr_store_multi_hash_chr_translate____no_history___1-1', C),
    insert_ht(C, A, D).
has_no_history(B) :-
    nb_getval('$chr_store_multi_hash_chr_translate____no_history___1-1', A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _),
    !.
has_no_history(_) :-
    fail.
history(A, B, C) :-
    history___3__0(A, B, C, _).
history___3__0(B, D, E, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____history___3-1', A),
    lookup_ht(A, B, G),
    !,
    C=suspension(F, not_stored_yet, t, B, D, E),
    'chr gen_id'(F),
    history___3__0__0__1(G, B, D, E, C).
history___3__0__0__1([], A, B, C, D) :-
    history___3__1(A, B, C, D).
history___3__0__0__1([A|M], C, K, G, D) :-
    (   A=suspension(_, active, _, B, _, _),
        B==C,
        E=t(95, D, A),
        '$novel_production'(D, E),
        '$novel_production'(A, E)
    ->  '$extend_history'(D, E),
        ( arg(2, D, F),
          setarg(2, D, active),
          (   F==not_stored_yet
          ->  (   '$chr_store_constants_chr_translate____history___3___[3]'(G,
                                                                            H)
              ->  nb_getval(H, I),
                  b_setval(H, [D|I])
              ;   true
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____history___3-2',
                          J),
                insert_ht(J, K, D)
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____history___3-1',
                        L),
              insert_ht(L, C, D)
          ;   true
          )
        ),
        chr_error(syntax,
                  'Only one pragma history allowed per rule (rule number ~w)\n',
                  [C]),
        (   D=suspension(_, active, _, _, _, _)
        ->  setarg(2, D, inactive),
            history___3__0__0__1(M, C, K, G, D)
        ;   true
        )
    ;   history___3__0__0__1(M, C, K, G, D)
    ).
history___3__0(B, C, D, A) :-
    A=suspension(E, not_stored_yet, t, B, C, D),
    'chr gen_id'(E),
    history___3__1(B, C, D, A).
history___3__1(B, D, E, F) :-
    nb_getval('$chr_store_multi_hash_chr_translate____history___3-1', A),
    lookup_ht(A, B, C),
    !,
    history___3__1__0__2(C, B, D, E, F).
history___3__1__0__2([], A, B, C, D) :-
    history___3__2(A, B, C, D).
history___3__1__0__2([A|M], C, K, G, D) :-
    (   A=suspension(_, active, _, B, _, _),
        B==C,
        E=t(95, A, D),
        '$novel_production'(A, E),
        '$novel_production'(D, E)
    ->  '$extend_history'(D, E),
        ( arg(2, D, F),
          setarg(2, D, active),
          (   F==not_stored_yet
          ->  (   '$chr_store_constants_chr_translate____history___3___[3]'(G,
                                                                            H)
              ->  nb_getval(H, I),
                  b_setval(H, [D|I])
              ;   true
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____history___3-2',
                          J),
                insert_ht(J, K, D)
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____history___3-1',
                        L),
              insert_ht(L, C, D)
          ;   true
          )
        ),
        chr_error(syntax,
                  'Only one pragma history allowed per rule (rule number ~w)\n',
                  [C]),
        (   D=suspension(_, active, _, _, _, _)
        ->  setarg(2, D, inactive),
            history___3__1__0__2(M, C, K, G, D)
        ;   true
        )
    ;   history___3__1__0__2(M, C, K, G, D)
    ).
history___3__1(A, B, C, D) :-
    history___3__2(A, B, C, D).
history___3__2(D, B, E, F) :-
    nb_getval('$chr_store_multi_hash_chr_translate____history___3-2', A),
    lookup_ht(A, B, C),
    !,
    history___3__2__0__3(C, D, B, E, F).
history___3__2__0__3([], A, B, C, D) :-
    history___3__3(A, B, C, D).
history___3__2__0__3([A|Q], L, C, G, D) :-
    (   A=suspension(_, active, _, P, B, M),
        B==C,
        E=t(96, D, A),
        '$novel_production'(D, E),
        '$novel_production'(A, E)
    ->  '$extend_history'(D, E),
        ( arg(2, D, F),
          setarg(2, D, active),
          (   F==not_stored_yet
          ->  (   '$chr_store_constants_chr_translate____history___3___[3]'(G,
                                                                            H)
              ->  nb_getval(H, I),
                  b_setval(H, [D|I])
              ;   true
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____history___3-2',
                          J),
                insert_ht(J, C, D)
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____history___3-1',
                        K),
              insert_ht(K, L, D)
          ;   true
          )
        ),
        ( length(G, N),
          length(M, O),
          (   N\==O
          ->  chr_error(syntax,
                        'The history named ~w does not always range over an equal amount of occurrences.\n',
                        [C])
          ;   test_named_history_id_pairs(L, G, P, M)
          )
        ),
        (   D=suspension(_, active, _, _, _, _)
        ->  setarg(2, D, inactive),
            history___3__2__0__3(Q, L, C, G, D)
        ;   true
        )
    ;   history___3__2__0__3(Q, L, C, G, D)
    ).
history___3__2(A, B, C, D) :-
    history___3__3(A, B, C, D).
history___3__3(D, B, E, F) :-
    nb_getval('$chr_store_multi_hash_chr_translate____history___3-2', A),
    lookup_ht(A, B, C),
    !,
    history___3__3__0__4(C, D, B, E, F).
history___3__3__0__4([], A, B, C, D) :-
    history___3__4(A, B, C, D).
history___3__3__0__4([A|Q], L, C, G, D) :-
    (   A=suspension(_, active, _, P, B, M),
        B==C,
        E=t(96, A, D),
        '$novel_production'(A, E),
        '$novel_production'(D, E)
    ->  '$extend_history'(D, E),
        ( arg(2, D, F),
          setarg(2, D, active),
          (   F==not_stored_yet
          ->  (   '$chr_store_constants_chr_translate____history___3___[3]'(G,
                                                                            H)
              ->  nb_getval(H, I),
                  b_setval(H, [D|I])
              ;   true
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____history___3-2',
                          J),
                insert_ht(J, C, D)
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____history___3-1',
                        K),
              insert_ht(K, L, D)
          ;   true
          )
        ),
        ( length(M, N),
          length(G, O),
          (   N\==O
          ->  chr_error(syntax,
                        'The history named ~w does not always range over an equal amount of occurrences.\n',
                        [C])
          ;   test_named_history_id_pairs(P, M, L, G)
          )
        ),
        (   D=suspension(_, active, _, _, _, _)
        ->  setarg(2, D, inactive),
            history___3__3__0__4(Q, L, C, G, D)
        ;   true
        )
    ;   history___3__3__0__4(Q, L, C, G, D)
    ).
history___3__3(A, B, C, D) :-
    history___3__4(A, B, C, D).
history___3__4(B, C, [], D) :-
    nb_getval('$chr_store_global_ground_chr_translate____find_empty_named_histories___0',
              A),
    !,
    history___3__4__0__6(A, B, C, [], D).
history___3__4__0__6([], A, B, C, D) :-
    history___3__5(A, B, C, D).
history___3__4__0__6([A|L], K, I, E, B) :-
    (   A=suspension(_, active, _, _),
        C=t(142, A, B),
        '$novel_production'(A, C),
        '$novel_production'(B, C)
    ->  '$extend_history'(B, C),
        ( arg(2, B, D),
          setarg(2, B, active),
          (   D==not_stored_yet
          ->  (   '$chr_store_constants_chr_translate____history___3___[3]'(E,
                                                                            F)
              ->  nb_getval(F, G),
                  b_setval(F, [B|G])
              ;   true
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____history___3-2',
                          H),
                insert_ht(H, I, B)
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____history___3-1',
                        J),
              insert_ht(J, K, B)
          ;   true
          )
        ),
        generate_empty_named_history_initialisation(I),
        (   B=suspension(_, active, _, _, _, _)
        ->  setarg(2, B, inactive),
            history___3__4__0__6(L, K, I, E, B)
        ;   true
        )
    ;   history___3__4__0__6(L, K, I, E, B)
    ).
history___3__4(A, B, C, D) :-
    history___3__5(A, B, C, D).
history___3__5(I, G, C, A) :-
    arg(2, A, B),
    setarg(2, A, active),
    (   B==not_stored_yet
    ->  (   '$chr_store_constants_chr_translate____history___3___[3]'(C,
                                                                      D)
        ->  nb_getval(D, E),
            b_setval(D, [A|E])
        ;   true
        ),
        ( nb_getval('$chr_store_multi_hash_chr_translate____history___3-2',
                    F),
          insert_ht(F, G, A)
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____history___3-1',
                  H),
        insert_ht(H, I, A)
    ;   true
    ).
named_history(A, E, G) :-
    ground(A),
    nb_getval('$chr_store_multi_hash_chr_translate____history___3-1', B),
    lookup_ht(B, A, C),
    member(D, C),
    D=suspension(_, active, _, _, F, H),
    !,
    E=F,
    G=H.
named_history(_, _, _) :-
    fail.
test_named_history_id_pair(B, C, H, I) :-
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-34',
              A),
    lookup_ht(A, k(B, C), D),
    member(E, D),
    E=suspension(_, active, _, _, G, _, _, _, _),
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-134',
              F),
    lookup_ht(F, k(G, H, I), J),
    member(K, J),
    K=suspension(_, active, _, _, _, _, _, _, _),
    K\==E,
    !.
test_named_history_id_pair(B, _, A, _) :-
    chr_error(syntax,
              'Occurrences of shared history in rules number ~w and ~w do not correspond\n',
              [A, B]).
indexing_spec(B, F) :-
    nb_getval('$chr_store_multi_hash_chr_translate____indexing_spec___2-1',
              A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _, G),
    !,
    setarg(2, D, removed),
    nb_getval('$chr_store_multi_hash_chr_translate____indexing_spec___2-1',
              E),
    delete_ht(E, B, D),
    append(F, G, H),
    indexing_spec(B, H).
indexing_spec(A, B) :-
    E=suspension(C, active, A, B),
    'chr gen_id'(C),
    nb_getval('$chr_store_multi_hash_chr_translate____indexing_spec___2-1',
              D),
    insert_ht(D, A, E).
get_indexing_spec(B, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____indexing_spec___2-1',
              A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _, F),
    !,
    E=F.
get_indexing_spec(_, []).
observation_analysis(A) :-
    observation_analysis___1__0(A, _).
observation_analysis___1__0(B, A) :-
    nb_getval('$chr_store_global_ground_chr_translate____rule___2', D),
    !,
    A=suspension(C, not_stored_yet, _, B),
    'chr gen_id'(C),
    observation_analysis___1__0__0__1(D, B, A).
observation_analysis___1__0__0__1([], A, B) :-
    observation_analysis___1__1(A, B).
observation_analysis___1__0__0__1([A|G], E, H) :-
    (   A=suspension(_, active, _, _, C, B)
    ->  ( B=pragma(rule(_, _, D, F), _, _, _, _),
          (   chr_pp_flag(store_in_guards, on)
          ->  observation_analysis(C, D, guard, E)
          ;   true
          ),
          observation_analysis(C, F, body, E)
        ),
        observation_analysis___1__0__0__1(G, E, H)
    ;   observation_analysis___1__0__0__1(G, E, H)
    ).
observation_analysis___1__0(B, A) :-
    A=suspension(C, not_stored_yet, _, B),
    'chr gen_id'(C),
    observation_analysis___1__1(B, A).
observation_analysis___1__1(_, A) :-
    (   var(A)
    ->  true
    ;   arg(2, A, B),
        setarg(2, A, removed),
        (   B==not_stored_yet
        ->  true
        ;   arg(3, A, C),
            (   var(C)
            ->  nb_getval('$chr_store_global_ground_chr_translate____observation_analysis___1',
                          D),
                D=[_|E],
                b_setval('$chr_store_global_ground_chr_translate____observation_analysis___1',
                         E),
                (   E=[F|_]
                ->  setarg(3, F, _)
                ;   true
                )
            ;   C=[_, _|E],
                setarg(2, C, E),
                (   E=[F|_]
                ->  setarg(3, F, C)
                ;   true
                )
            )
        )
    ).
spawns(A, B, C) :-
    spawns___3__0(A, B, C, _).
spawns___3__0(B, C, D, _) :-
    nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-123', A),
    lookup_ht(A, k(B, C, D), E),
    member(F, E),
    F=suspension(_, active, _, _, _, _, _),
    !.
spawns___3__0(B, body, C, _) :-
    nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-123', A),
    lookup_ht(A, k(B, guard, C), D),
    member(E, D),
    E=suspension(_, active, _, _, _, _, _),
    !.
spawns___3__0(B, guard, C, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-123', A),
    lookup_ht(A, k(B, body, C), D),
    !,
    spawns___3__0__0__4(D, B, guard, C, E).
spawns___3__0__0__4([], A, B, C, D) :-
    spawns___3__1(A, B, C, D).
spawns___3__0__0__4([A|P], C, Q, F, R) :-
    (   A=suspension(_, active, _, _, B, D, E),
        B==C,
        D=body,
        E==F
    ->  ( setarg(2, A, removed),
          ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-13',
                      G),
            delete_ht(G, k(C, F), A)
          ),
          ( arg(4, A, H),
            (   var(H)
            ->  nb_getval('$chr_store_global_ground_chr_translate____spawns___3',
                          I),
                I=[_|J],
                b_setval('$chr_store_global_ground_chr_translate____spawns___3',
                         J),
                (   J=[K|_]
                ->  setarg(4, K, _)
                ;   true
                )
            ;   H=[_, _|J],
                setarg(2, H, J),
                (   J=[K|_]
                ->  setarg(4, K, H)
                ;   true
                )
            )
          ),
          ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-12',
                      L),
            delete_ht(L, k(C, body), A)
          ),
          ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-1',
                      M),
            delete_ht(M, C, A)
          ),
          ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-3',
                      N),
            delete_ht(N, F, A)
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-123',
                    O),
          delete_ht(O, k(C, body, F), A)
        ),
        spawns___3__0__0__4(P, C, Q, F, R)
    ;   spawns___3__0__0__4(P, C, Q, F, R)
    ).
spawns___3__0(A, B, C, D) :-
    spawns___3__1(A, B, C, D).
spawns___3__1(B, C, I, F) :-
    nb_getval('$chr_store_multi_hash_chr_translate____spawns_all___2-12',
              A),
    lookup_ht(A, k(B, C), D),
    member(E, D),
    E=suspension(_, active, _, _),
    !,
    (   var(F)
    ->  true
    ;   arg(2, F, G),
        setarg(2, F, removed),
        (   G==not_stored_yet
        ->  true
        ;   ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-13',
                        H),
              delete_ht(H, k(B, I), F)
            ),
            ( arg(4, F, J),
              (   var(J)
              ->  nb_getval('$chr_store_global_ground_chr_translate____spawns___3',
                            K),
                  K=[_|L],
                  b_setval('$chr_store_global_ground_chr_translate____spawns___3',
                           L),
                  (   L=[M|_]
                  ->  setarg(4, M, _)
                  ;   true
                  )
              ;   J=[_, _|L],
                  setarg(2, J, L),
                  (   L=[M|_]
                  ->  setarg(4, M, J)
                  ;   true
                  )
              )
            ),
            ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-12',
                        N),
              delete_ht(N, k(B, C), F)
            ),
            ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-1',
                        O),
              delete_ht(O, B, F)
            ),
            ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-3',
                        P),
              delete_ht(P, I, F)
            ),
            nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-123',
                      Q),
            delete_ht(Q, k(B, C, I), F)
        )
    ).
spawns___3__1(B, body, H, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____spawns_all___2-12',
              A),
    lookup_ht(A, k(B, guard), C),
    member(D, C),
    D=suspension(_, active, _, _),
    !,
    (   var(E)
    ->  true
    ;   arg(2, E, F),
        setarg(2, E, removed),
        (   F==not_stored_yet
        ->  true
        ;   ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-13',
                        G),
              delete_ht(G, k(B, H), E)
            ),
            ( arg(4, E, I),
              (   var(I)
              ->  nb_getval('$chr_store_global_ground_chr_translate____spawns___3',
                            J),
                  J=[_|K],
                  b_setval('$chr_store_global_ground_chr_translate____spawns___3',
                           K),
                  (   K=[L|_]
                  ->  setarg(4, L, _)
                  ;   true
                  )
              ;   I=[_, _|K],
                  setarg(2, I, K),
                  (   K=[L|_]
                  ->  setarg(4, L, I)
                  ;   true
                  )
              )
            ),
            ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-12',
                        M),
              delete_ht(M, k(B, body), E)
            ),
            ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-1',
                        N),
              delete_ht(N, B, E)
            ),
            ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-3',
                        O),
              delete_ht(O, H, E)
            ),
            nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-123',
                      P),
            delete_ht(P, k(B, body, H), E)
        )
    ).
spawns___3__1(B, C, F, G) :-
    nb_getval('$chr_store_multi_hash_chr_translate____spawns_all_triggers___2-12',
              A),
    lookup_ht(A, k(B, C), D),
    member(E, D),
    E=suspension(_, active, _, _, _, _),
    may_trigger(F),
    !,
    (   var(G)
    ->  true
    ;   arg(2, G, H),
        setarg(2, G, removed),
        (   H==not_stored_yet
        ->  true
        ;   ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-13',
                        I),
              delete_ht(I, k(B, F), G)
            ),
            ( arg(4, G, J),
              (   var(J)
              ->  nb_getval('$chr_store_global_ground_chr_translate____spawns___3',
                            K),
                  K=[_|L],
                  b_setval('$chr_store_global_ground_chr_translate____spawns___3',
                           L),
                  (   L=[M|_]
                  ->  setarg(4, M, _)
                  ;   true
                  )
              ;   J=[_, _|L],
                  setarg(2, J, L),
                  (   L=[M|_]
                  ->  setarg(4, M, J)
                  ;   true
                  )
              )
            ),
            ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-12',
                        N),
              delete_ht(N, k(B, C), G)
            ),
            ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-1',
                        O),
              delete_ht(O, B, G)
            ),
            ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-3',
                        P),
              delete_ht(P, F, G)
            ),
            nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-123',
                      Q),
            delete_ht(Q, k(B, C, F), G)
        )
    ).
spawns___3__1(B, body, E, F) :-
    nb_getval('$chr_store_multi_hash_chr_translate____spawns_all_triggers___2-12',
              A),
    lookup_ht(A, k(B, guard), C),
    member(D, C),
    D=suspension(_, active, _, _, _, _),
    may_trigger(E),
    !,
    (   var(F)
    ->  true
    ;   arg(2, F, G),
        setarg(2, F, removed),
        (   G==not_stored_yet
        ->  true
        ;   ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-13',
                        H),
              delete_ht(H, k(B, E), F)
            ),
            ( arg(4, F, I),
              (   var(I)
              ->  nb_getval('$chr_store_global_ground_chr_translate____spawns___3',
                            J),
                  J=[_|K],
                  b_setval('$chr_store_global_ground_chr_translate____spawns___3',
                           K),
                  (   K=[L|_]
                  ->  setarg(4, L, _)
                  ;   true
                  )
              ;   I=[_, _|K],
                  setarg(2, I, K),
                  (   K=[L|_]
                  ->  setarg(4, L, I)
                  ;   true
                  )
              )
            ),
            ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-12',
                        M),
              delete_ht(M, k(B, body), F)
            ),
            ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-1',
                        N),
              delete_ht(N, B, F)
            ),
            ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-3',
                        O),
              delete_ht(O, E, F)
            ),
            nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-123',
                      P),
            delete_ht(P, k(B, body, E), F)
        )
    ).
spawns___3__1(M, S, B, J) :-
    ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-1',
                A),
      lookup_ht(A, B, C)
    ),
    (   member(D, C),
        D=suspension(_, active, _, _, _, _, F, I, _),
        (   nb_getval('$chr_store_multi_hash_chr_translate____spawns_all___2-1',
                      E),
            lookup_ht(E, F, G),
            member(H, G),
            H=suspension(_, active, _, _),
            \+ is_passive(F, I),
            !,
            (   var(J)
            ->  true
            ;   arg(2, J, K),
                setarg(2, J, removed),
                (   K==not_stored_yet
                ->  true
                ;   ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-13',
                                L),
                      delete_ht(L, k(M, B), J)
                    ),
                    ( arg(4, J, N),
                      (   var(N)
                      ->  nb_getval('$chr_store_global_ground_chr_translate____spawns___3',
                                    O),
                          O=[_|P],
                          b_setval('$chr_store_global_ground_chr_translate____spawns___3',
                                   P),
                          (   P=[Q|_]
                          ->  setarg(4, Q, _)
                          ;   true
                          )
                      ;   N=[_, _|P],
                          setarg(2, N, P),
                          (   P=[Q|_]
                          ->  setarg(4, Q, N)
                          ;   true
                          )
                      )
                    ),
                    ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-12',
                                R),
                      delete_ht(R, k(M, S), J)
                    ),
                    ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-1',
                                T),
                      delete_ht(T, M, J)
                    ),
                    ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-3',
                                U),
                      delete_ht(U, B, J)
                    ),
                    nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-123',
                              V),
                    delete_ht(V, k(M, S, B), J)
                )
            ),
            spawns_all(M, S)
        ;   nb_getval('$chr_store_multi_hash_chr_translate____spawns_all_triggers___2-1',
                      W),
            lookup_ht(W, F, X),
            member(Y, X),
            Y=suspension(_, active, _, _, _, _),
            may_trigger(B),
            \+ is_passive(F, I),
            !,
            (   var(J)
            ->  true
            ;   arg(2, J, Z),
                setarg(2, J, removed),
                (   Z==not_stored_yet
                ->  true
                ;   ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-13',
                                A1),
                      delete_ht(A1, k(M, B), J)
                    ),
                    ( arg(4, J, B1),
                      (   var(B1)
                      ->  nb_getval('$chr_store_global_ground_chr_translate____spawns___3',
                                    C1),
                          C1=[_|D1],
                          b_setval('$chr_store_global_ground_chr_translate____spawns___3',
                                   D1),
                          (   D1=[E1|_]
                          ->  setarg(4, E1, _)
                          ;   true
                          )
                      ;   B1=[_, _|D1],
                          setarg(2, B1, D1),
                          (   D1=[E1|_]
                          ->  setarg(4, E1, B1)
                          ;   true
                          )
                      )
                    ),
                    ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-12',
                                F1),
                      delete_ht(F1, k(M, S), J)
                    ),
                    ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-1',
                                G1),
                      delete_ht(G1, M, J)
                    ),
                    ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-3',
                                H1),
                      delete_ht(H1, B, J)
                    ),
                    nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-123',
                              I1),
                    delete_ht(I1, k(M, S, B), J)
                )
            ),
            spawns_all_triggers(M, S)
        )
    ;   !,
        J=suspension(J1, not_stored_yet, t, _, M, S, B),
        'chr gen_id'(J1),
        spawns___3__1__0__11(C, M, S, B, J)
    ).
spawns___3__1__0__11([], A, B, C, D) :-
    spawns___3__2(A, B, C, D).
spawns___3__1__0__11([A|H], I, J, C, K) :-
    (   ( A=suspension(_, active, _, _, B, _, E, G, _),
          B==C
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____spawns_all_triggers___2-1',
                  D),
        lookup_ht(D, E, F)
    ->  spawns___3__1__1__11(F,
                             E,
                             G,
                             A,
                             H,
                             I,
                             J,
                             C,
                             K)
    ;   spawns___3__1__0__11(H, I, J, C, K)
    ).
spawns___3__1__1__11([], _, _, _, A, B, C, D, E) :-
    spawns___3__1__0__11(A, B, C, D, E).
spawns___3__1__1__11([A|T], C, H, D, U, K, P, G, E) :-
    (   A=suspension(_, active, _, _, B, _),
        B==C,
        ( F=t(123, A, D, E),
          '$novel_production'(A, F),
          '$novel_production'(E, F)
        ),
        \+ may_trigger(G),
        \+ is_passive(C, H)
    ->  '$extend_history'(E, F),
        ( arg(2, E, I),
          setarg(2, E, active),
          (   I==not_stored_yet
          ->  ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-13',
                          J),
                insert_ht(J, k(K, G), E)
              ),
              ( nb_getval('$chr_store_global_ground_chr_translate____spawns___3',
                          L),
                M=[E|L],
                b_setval('$chr_store_global_ground_chr_translate____spawns___3',
                         M),
                (   L=[N|_]
                ->  setarg(4, N, M)
                ;   true
                )
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-12',
                          O),
                insert_ht(O, k(K, P), E)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-1',
                          Q),
                insert_ht(Q, K, E)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-3',
                          R),
                insert_ht(R, G, E)
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-123',
                        S),
              insert_ht(S, k(K, P, G), E)
          ;   true
          )
        ),
        spawns_all_triggers(K, P),
        (   E=suspension(_, active, _, _, _, _, _)
        ->  setarg(2, E, inactive),
            spawns___3__1__1__11(T,
                                 C,
                                 H,
                                 D,
                                 U,
                                 K,
                                 P,
                                 G,
                                 E)
        ;   true
        )
    ;   spawns___3__1__1__11(T,
                             C,
                             H,
                             D,
                             U,
                             K,
                             P,
                             G,
                             E)
    ).
spawns___3__1(B, C, D, A) :-
    A=suspension(E, not_stored_yet, t, _, B, C, D),
    'chr gen_id'(E),
    spawns___3__2(B, C, D, A).
spawns___3__2(B, D, E, F) :-
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-3', A),
    lookup_ht(A, B, C),
    !,
    spawns___3__2__0__12(C, B, D, E, F).
spawns___3__2__0__12([], A, B, C, D) :-
    spawns___3__3(A, B, C, D).
spawns___3__2__0__12([A|H], C, I, J, K) :-
    (   ( A=suspension(_, active, _, _, E, _, B, G, _),
          B==C
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-3', D),
        lookup_ht(D, E, F)
    ->  spawns___3__2__1__12(F,
                             E,
                             G,
                             A,
                             H,
                             C,
                             I,
                             J,
                             K)
    ;   spawns___3__2__0__12(H, C, I, J, K)
    ).
spawns___3__2__1__12([], _, _, _, A, B, C, D, E) :-
    spawns___3__2__0__12(A, B, C, D, E).
spawns___3__2__1__12([A|V], C, J, E, W, H, Q, I, D) :-
    (   A=suspension(_, active, _, _, G, U, B),
        B==C,
        ( F=t(124, D, E, A),
          '$novel_production'(D, F),
          '$novel_production'(A, F)
        ),
        G\==H,
        C\==I,
        \+ is_passive(H, J)
    ->  '$extend_history'(D, F),
        ( arg(2, D, K),
          setarg(2, D, active),
          (   K==not_stored_yet
          ->  ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-13',
                          L),
                insert_ht(L, k(H, I), D)
              ),
              ( nb_getval('$chr_store_global_ground_chr_translate____spawns___3',
                          M),
                N=[D|M],
                b_setval('$chr_store_global_ground_chr_translate____spawns___3',
                         N),
                (   M=[O|_]
                ->  setarg(4, O, N)
                ;   true
                )
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-12',
                          P),
                insert_ht(P, k(H, Q), D)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-1',
                          R),
                insert_ht(R, H, D)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-3',
                          S),
                insert_ht(S, I, D)
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-123',
                        T),
              insert_ht(T, k(H, Q, I), D)
          ;   true
          )
        ),
        spawns(G, U, I),
        (   D=suspension(_, active, _, _, _, _, _)
        ->  setarg(2, D, inactive),
            spawns___3__2__1__12(V,
                                 C,
                                 J,
                                 E,
                                 W,
                                 H,
                                 Q,
                                 I,
                                 D)
        ;   true
        )
    ;   spawns___3__2__1__12(V,
                             C,
                             J,
                             E,
                             W,
                             H,
                             Q,
                             I,
                             D)
    ).
spawns___3__2(A, B, C, D) :-
    spawns___3__3(A, B, C, D).
spawns___3__3(D, E, B, F) :-
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-1', A),
    lookup_ht(A, B, C),
    !,
    spawns___3__3__0__13(C, D, E, B, F).
spawns___3__3__0__13([], A, B, C, D) :-
    spawns___3__4(A, B, C, D).
spawns___3__3__0__13([A|H], I, J, C, K) :-
    (   ( A=suspension(_, active, _, _, B, _, E, G, _),
          B==C
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-1', D),
        lookup_ht(D, E, F)
    ->  spawns___3__3__1__13(F,
                             E,
                             G,
                             A,
                             H,
                             I,
                             J,
                             C,
                             K)
    ;   spawns___3__3__0__13(H, I, J, C, K)
    ).
spawns___3__3__1__13([], _, _, _, A, B, C, D, E) :-
    spawns___3__3__0__13(A, B, C, D, E).
spawns___3__3__1__13([A|U], C, J, D, V, G, Q, H, E) :-
    (   A=suspension(_, active, _, _, B, _, I),
        B==C,
        ( F=t(124, A, D, E),
          '$novel_production'(A, F),
          '$novel_production'(E, F)
        ),
        G\==C,
        H\==I,
        \+ is_passive(C, J)
    ->  '$extend_history'(E, F),
        ( arg(2, E, K),
          setarg(2, E, active),
          (   K==not_stored_yet
          ->  ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-13',
                          L),
                insert_ht(L, k(G, H), E)
              ),
              ( nb_getval('$chr_store_global_ground_chr_translate____spawns___3',
                          M),
                N=[E|M],
                b_setval('$chr_store_global_ground_chr_translate____spawns___3',
                         N),
                (   M=[O|_]
                ->  setarg(4, O, N)
                ;   true
                )
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-12',
                          P),
                insert_ht(P, k(G, Q), E)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-1',
                          R),
                insert_ht(R, G, E)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-3',
                          S),
                insert_ht(S, H, E)
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-123',
                        T),
              insert_ht(T, k(G, Q, H), E)
          ;   true
          )
        ),
        spawns(G, Q, I),
        (   E=suspension(_, active, _, _, _, _, _)
        ->  setarg(2, E, inactive),
            spawns___3__3__1__13(U,
                                 C,
                                 J,
                                 D,
                                 V,
                                 G,
                                 Q,
                                 H,
                                 E)
        ;   true
        )
    ;   spawns___3__3__1__13(U,
                             C,
                             J,
                             D,
                             V,
                             G,
                             Q,
                             H,
                             E)
    ).
spawns___3__3(A, B, C, D) :-
    spawns___3__4(A, B, C, D).
spawns___3__4(B, D, E, F) :-
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-3', A),
    lookup_ht(A, B, C),
    !,
    spawns___3__4__0__14(C, B, D, E, F).
spawns___3__4__0__14([], A, B, C, D) :-
    spawns___3__5(A, B, C, D).
spawns___3__4__0__14([A|G], C, H, I, J) :-
    (   ( A=suspension(_, active, _, _, E, _, B, F, _),
          B==C
        ),
        nb_getval('$chr_store_global_ground_chr_translate____spawns_all_triggers___2',
                  D)
    ->  spawns___3__4__1__14(D,
                             E,
                             F,
                             A,
                             G,
                             C,
                             H,
                             I,
                             J)
    ;   spawns___3__4__0__14(G, C, H, I, J)
    ).
spawns___3__4__1__14([], _, _, _, A, B, C, D, E) :-
    spawns___3__4__0__14(A, B, C, D, E).
spawns___3__4__1__14([A|U], G, F, C, V, E, O, H, B) :-
    (   A=suspension(_, active, _, _, S, T),
        ( D=t(125, B, C, A),
          '$novel_production'(B, D),
          '$novel_production'(A, D)
        ),
        \+ is_passive(E, F),
        may_trigger(G),
        \+ may_trigger(H)
    ->  '$extend_history'(B, D),
        ( arg(2, B, I),
          setarg(2, B, active),
          (   I==not_stored_yet
          ->  ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-13',
                          J),
                insert_ht(J, k(E, H), B)
              ),
              ( nb_getval('$chr_store_global_ground_chr_translate____spawns___3',
                          K),
                L=[B|K],
                b_setval('$chr_store_global_ground_chr_translate____spawns___3',
                         L),
                (   K=[M|_]
                ->  setarg(4, M, L)
                ;   true
                )
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-12',
                          N),
                insert_ht(N, k(E, O), B)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-1',
                          P),
                insert_ht(P, E, B)
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-3',
                          Q),
                insert_ht(Q, H, B)
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-123',
                        R),
              insert_ht(R, k(E, O, H), B)
          ;   true
          )
        ),
        spawns(S, T, H),
        (   B=suspension(_, active, _, _, _, _, _)
        ->  setarg(2, B, inactive),
            spawns___3__4__1__14(U,
                                 G,
                                 F,
                                 C,
                                 V,
                                 E,
                                 O,
                                 H,
                                 B)
        ;   true
        )
    ;   spawns___3__4__1__14(U,
                             G,
                             F,
                             C,
                             V,
                             E,
                             O,
                             H,
                             B)
    ).
spawns___3__4(A, B, C, D) :-
    spawns___3__5(A, B, C, D).
spawns___3__5(D, J, E, A) :-
    arg(2, A, B),
    setarg(2, A, active),
    (   B==not_stored_yet
    ->  ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-13',
                    C),
          insert_ht(C, k(D, E), A)
        ),
        ( nb_getval('$chr_store_global_ground_chr_translate____spawns___3',
                    F),
          G=[A|F],
          b_setval('$chr_store_global_ground_chr_translate____spawns___3',
                   G),
          (   F=[H|_]
          ->  setarg(4, H, G)
          ;   true
          )
        ),
        ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-12',
                    I),
          insert_ht(I, k(D, J), A)
        ),
        ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-1',
                    K),
          insert_ht(K, D, A)
        ),
        ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-3',
                    L),
          insert_ht(L, E, A)
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-123',
                  M),
        insert_ht(M, k(D, J, E), A)
    ;   true
    ).
spawns_all(A, B) :-
    spawns_all___2__0(A, B, _).
spawns_all___2__0(B, C, _) :-
    nb_getval('$chr_store_multi_hash_chr_translate____spawns_all___2-12',
              A),
    lookup_ht(A, k(B, C), D),
    member(E, D),
    E=suspension(_, active, _, _),
    !.
spawns_all___2__0(B, body, _) :-
    nb_getval('$chr_store_multi_hash_chr_translate____spawns_all___2-12',
              A),
    lookup_ht(A, k(B, guard), C),
    member(D, C),
    D=suspension(_, active, _, _),
    !.
spawns_all___2__0(B, guard, D) :-
    nb_getval('$chr_store_multi_hash_chr_translate____spawns_all___2-12',
              A),
    lookup_ht(A, k(B, body), C),
    !,
    spawns_all___2__0__0__4(C, B, guard, D).
spawns_all___2__0__0__4([], A, B, C) :-
    spawns_all___2__1(A, B, C).
spawns_all___2__0__0__4([A|G], C, H, I) :-
    (   A=suspension(_, active, B, D),
        B==C,
        D=body
    ->  ( setarg(2, A, removed),
          ( nb_getval('$chr_store_multi_hash_chr_translate____spawns_all___2-1',
                      E),
            delete_ht(E, C, A)
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____spawns_all___2-12',
                    F),
          delete_ht(F, k(C, body), A)
        ),
        spawns_all___2__0__0__4(G, C, H, I)
    ;   spawns_all___2__0__0__4(G, C, H, I)
    ).
spawns_all___2__0(A, B, C) :-
    spawns_all___2__1(A, B, C).
spawns_all___2__1(B, C, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-12', A),
    lookup_ht(A, k(B, C), D),
    !,
    spawns_all___2__1__0__5(D, B, C, E).
spawns_all___2__1__0__5([], A, B, C) :-
    spawns_all___2__2(A, B, C).
spawns_all___2__1__0__5([A|P], C, E, Q) :-
    (   A=suspension(_, active, _, _, B, D, G),
        B==C,
        D==E
    ->  ( setarg(2, A, removed),
          ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-13',
                      F),
            delete_ht(F, k(C, G), A)
          ),
          ( arg(4, A, H),
            (   var(H)
            ->  nb_getval('$chr_store_global_ground_chr_translate____spawns___3',
                          I),
                I=[_|J],
                b_setval('$chr_store_global_ground_chr_translate____spawns___3',
                         J),
                (   J=[K|_]
                ->  setarg(4, K, _)
                ;   true
                )
            ;   H=[_, _|J],
                setarg(2, H, J),
                (   J=[K|_]
                ->  setarg(4, K, H)
                ;   true
                )
            )
          ),
          ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-12',
                      L),
            delete_ht(L, k(C, E), A)
          ),
          ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-1',
                      M),
            delete_ht(M, C, A)
          ),
          ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-3',
                      N),
            delete_ht(N, G, A)
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-123',
                    O),
          delete_ht(O, k(C, E, G), A)
        ),
        spawns_all___2__1__0__5(P, C, E, Q)
    ;   spawns_all___2__1__0__5(P, C, E, Q)
    ).
spawns_all___2__1(A, B, C) :-
    spawns_all___2__2(A, B, C).
spawns_all___2__2(B, guard, D) :-
    nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-12', A),
    lookup_ht(A, k(B, body), C),
    !,
    spawns_all___2__2__0__6(C, B, guard, D).
spawns_all___2__2__0__6([], A, B, C) :-
    spawns_all___2__3(A, B, C).
spawns_all___2__2__0__6([A|O], C, P, Q) :-
    (   A=suspension(_, active, _, _, B, D, F),
        B==C,
        D=body
    ->  ( setarg(2, A, removed),
          ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-13',
                      E),
            delete_ht(E, k(C, F), A)
          ),
          ( arg(4, A, G),
            (   var(G)
            ->  nb_getval('$chr_store_global_ground_chr_translate____spawns___3',
                          H),
                H=[_|I],
                b_setval('$chr_store_global_ground_chr_translate____spawns___3',
                         I),
                (   I=[J|_]
                ->  setarg(4, J, _)
                ;   true
                )
            ;   G=[_, _|I],
                setarg(2, G, I),
                (   I=[J|_]
                ->  setarg(4, J, G)
                ;   true
                )
            )
          ),
          ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-12',
                      K),
            delete_ht(K, k(C, body), A)
          ),
          ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-1',
                      L),
            delete_ht(L, C, A)
          ),
          ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-3',
                      M),
            delete_ht(M, F, A)
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-123',
                    N),
          delete_ht(N, k(C, body, F), A)
        ),
        spawns_all___2__2__0__6(O, C, P, Q)
    ;   spawns_all___2__2__0__6(O, C, P, Q)
    ).
spawns_all___2__2(A, B, C) :-
    spawns_all___2__3(A, B, C).
spawns_all___2__3(B, C, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____spawns_all_triggers___2-12',
              A),
    lookup_ht(A, k(B, C), D),
    !,
    spawns_all___2__3__0__7(D, B, C, E).
spawns_all___2__3__0__7([], A, B, C) :-
    spawns_all___2__4(A, B, C).
spawns_all___2__3__0__7([A|L], C, E, M) :-
    (   A=suspension(_, active, _, _, B, D),
        B==C,
        D==E
    ->  ( setarg(2, A, removed),
          ( arg(4, A, F),
            (   var(F)
            ->  nb_getval('$chr_store_global_ground_chr_translate____spawns_all_triggers___2',
                          G),
                G=[_|H],
                b_setval('$chr_store_global_ground_chr_translate____spawns_all_triggers___2',
                         H),
                (   H=[I|_]
                ->  setarg(4, I, _)
                ;   true
                )
            ;   F=[_, _|H],
                setarg(2, F, H),
                (   H=[I|_]
                ->  setarg(4, I, F)
                ;   true
                )
            )
          ),
          ( nb_getval('$chr_store_multi_hash_chr_translate____spawns_all_triggers___2-1',
                      J),
            delete_ht(J, C, A)
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____spawns_all_triggers___2-12',
                    K),
          delete_ht(K, k(C, E), A)
        ),
        spawns_all___2__3__0__7(L, C, E, M)
    ;   spawns_all___2__3__0__7(L, C, E, M)
    ).
spawns_all___2__3(A, B, C) :-
    spawns_all___2__4(A, B, C).
spawns_all___2__4(B, guard, D) :-
    nb_getval('$chr_store_multi_hash_chr_translate____spawns_all_triggers___2-12',
              A),
    lookup_ht(A, k(B, body), C),
    !,
    spawns_all___2__4__0__8(C, B, guard, D).
spawns_all___2__4__0__8([], A, B, C) :-
    spawns_all___2__5(A, B, C).
spawns_all___2__4__0__8([A|K], C, L, M) :-
    (   A=suspension(_, active, _, _, B, D),
        B==C,
        D=body
    ->  ( setarg(2, A, removed),
          ( arg(4, A, E),
            (   var(E)
            ->  nb_getval('$chr_store_global_ground_chr_translate____spawns_all_triggers___2',
                          F),
                F=[_|G],
                b_setval('$chr_store_global_ground_chr_translate____spawns_all_triggers___2',
                         G),
                (   G=[H|_]
                ->  setarg(4, H, _)
                ;   true
                )
            ;   E=[_, _|G],
                setarg(2, E, G),
                (   G=[H|_]
                ->  setarg(4, H, E)
                ;   true
                )
            )
          ),
          ( nb_getval('$chr_store_multi_hash_chr_translate____spawns_all_triggers___2-1',
                      I),
            delete_ht(I, C, A)
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____spawns_all_triggers___2-12',
                    J),
          delete_ht(J, k(C, body), A)
        ),
        spawns_all___2__4__0__8(K, C, L, M)
    ;   spawns_all___2__4__0__8(K, C, L, M)
    ).
spawns_all___2__4(A, B, C) :-
    spawns_all___2__5(A, B, C).
spawns_all___2__5(B, D, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-3', A),
    lookup_ht(A, B, F),
    !,
    C=suspension(E, not_stored_yet, B, D),
    'chr gen_id'(E),
    spawns_all___2__5__0__9(F, B, D, C).
spawns_all___2__5__0__9([], A, B, C) :-
    spawns_all___2__6(A, B, C).
spawns_all___2__5__0__9([A|H], C, I, J) :-
    (   ( A=suspension(_, active, _, _, E, _, B, G, _),
          B==C
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-3', D),
        lookup_ht(D, E, F)
    ->  spawns_all___2__5__1__9(F,
                                E,
                                G,
                                A,
                                H,
                                C,
                                I,
                                J)
    ;   spawns_all___2__5__0__9(H, C, I, J)
    ).
spawns_all___2__5__1__9([], _, _, _, A, B, C, D) :-
    spawns_all___2__5__0__9(A, B, C, D).
spawns_all___2__5__1__9([A|V], C, E, W, X, D, U, Q) :-
    (   ( A=suspension(_, active, _, _, G, M, B),
          B==C
        ),
        \+ is_passive(D, E)
    ->  ( setarg(2, A, removed),
          ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-13',
                      F),
            delete_ht(F, k(G, C), A)
          ),
          ( arg(4, A, H),
            (   var(H)
            ->  nb_getval('$chr_store_global_ground_chr_translate____spawns___3',
                          I),
                I=[_|J],
                b_setval('$chr_store_global_ground_chr_translate____spawns___3',
                         J),
                (   J=[K|_]
                ->  setarg(4, K, _)
                ;   true
                )
            ;   H=[_, _|J],
                setarg(2, H, J),
                (   J=[K|_]
                ->  setarg(4, K, H)
                ;   true
                )
            )
          ),
          ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-12',
                      L),
            delete_ht(L, k(G, M), A)
          ),
          ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-1',
                      N),
            delete_ht(N, G, A)
          ),
          ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-3',
                      O),
            delete_ht(O, C, A)
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-123',
                    P),
          delete_ht(P, k(G, M, C), A)
        ),
        ( arg(2, Q, R),
          setarg(2, Q, active),
          (   R==not_stored_yet
          ->  ( nb_getval('$chr_store_multi_hash_chr_translate____spawns_all___2-1',
                          S),
                insert_ht(S, D, Q)
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____spawns_all___2-12',
                        T),
              insert_ht(T, k(D, U), Q)
          ;   true
          )
        ),
        spawns_all(G, M),
        (   Q=suspension(_, active, _, _)
        ->  setarg(2, Q, inactive),
            spawns_all___2__5__1__9(V,
                                    C,
                                    E,
                                    W,
                                    X,
                                    D,
                                    U,
                                    Q)
        ;   true
        )
    ;   spawns_all___2__5__1__9(V,
                                C,
                                E,
                                W,
                                X,
                                D,
                                U,
                                Q)
    ).
spawns_all___2__5(B, C, A) :-
    A=suspension(D, not_stored_yet, B, C),
    'chr gen_id'(D),
    spawns_all___2__6(B, C, A).
spawns_all___2__6(B, D, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-3', A),
    lookup_ht(A, B, C),
    !,
    spawns_all___2__6__0__10(C, B, D, E).
spawns_all___2__6__0__10([], A, B, C) :-
    spawns_all___2__7(A, B, C).
spawns_all___2__6__0__10([A|K], C, J, F) :-
    (   A=suspension(_, active, _, _, E, _, B, D, _),
        B==C,
        \+ \+ spawns_all_triggers_implies_spawns_all,
        \+ is_passive(C, D),
        may_trigger(E)
    ->  ( arg(2, F, G),
          setarg(2, F, active),
          (   G==not_stored_yet
          ->  ( nb_getval('$chr_store_multi_hash_chr_translate____spawns_all___2-1',
                          H),
                insert_ht(H, C, F)
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____spawns_all___2-12',
                        I),
              insert_ht(I, k(C, J), F)
          ;   true
          )
        ),
        spawns_all_triggers_implies_spawns_all,
        (   F=suspension(_, active, _, _)
        ->  setarg(2, F, inactive),
            spawns_all___2__6__0__10(K, C, J, F)
        ;   true
        )
    ;   spawns_all___2__6__0__10(K, C, J, F)
    ).
spawns_all___2__6(A, B, C) :-
    spawns_all___2__7(A, B, C).
spawns_all___2__7(D, F, A) :-
    arg(2, A, B),
    setarg(2, A, active),
    (   B==not_stored_yet
    ->  ( nb_getval('$chr_store_multi_hash_chr_translate____spawns_all___2-1',
                    C),
          insert_ht(C, D, A)
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____spawns_all___2-12',
                  E),
        insert_ht(E, k(D, F), A)
    ;   true
    ).
spawns_all_triggers(A, B) :-
    spawns_all_triggers___2__0(A, B, _).
spawns_all_triggers___2__0(B, C, _) :-
    nb_getval('$chr_store_multi_hash_chr_translate____spawns_all_triggers___2-12',
              A),
    lookup_ht(A, k(B, C), D),
    member(E, D),
    E=suspension(_, active, _, _, _, _),
    !.
spawns_all_triggers___2__0(B, body, _) :-
    nb_getval('$chr_store_multi_hash_chr_translate____spawns_all_triggers___2-12',
              A),
    lookup_ht(A, k(B, guard), C),
    member(D, C),
    D=suspension(_, active, _, _, _, _),
    !.
spawns_all_triggers___2__0(B, guard, D) :-
    nb_getval('$chr_store_multi_hash_chr_translate____spawns_all_triggers___2-12',
              A),
    lookup_ht(A, k(B, body), C),
    !,
    spawns_all_triggers___2__0__0__4(C, B, guard, D).
spawns_all_triggers___2__0__0__4([], A, B, C) :-
    spawns_all_triggers___2__1(A, B, C).
spawns_all_triggers___2__0__0__4([A|K], C, L, M) :-
    (   A=suspension(_, active, _, _, B, D),
        B==C,
        D=body
    ->  ( setarg(2, A, removed),
          ( arg(4, A, E),
            (   var(E)
            ->  nb_getval('$chr_store_global_ground_chr_translate____spawns_all_triggers___2',
                          F),
                F=[_|G],
                b_setval('$chr_store_global_ground_chr_translate____spawns_all_triggers___2',
                         G),
                (   G=[H|_]
                ->  setarg(4, H, _)
                ;   true
                )
            ;   E=[_, _|G],
                setarg(2, E, G),
                (   G=[H|_]
                ->  setarg(4, H, E)
                ;   true
                )
            )
          ),
          ( nb_getval('$chr_store_multi_hash_chr_translate____spawns_all_triggers___2-1',
                      I),
            delete_ht(I, C, A)
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____spawns_all_triggers___2-12',
                    J),
          delete_ht(J, k(C, body), A)
        ),
        spawns_all_triggers___2__0__0__4(K, C, L, M)
    ;   spawns_all_triggers___2__0__0__4(K, C, L, M)
    ).
spawns_all_triggers___2__0(A, B, C) :-
    spawns_all_triggers___2__1(A, B, C).
spawns_all_triggers___2__1(B, C, F) :-
    nb_getval('$chr_store_multi_hash_chr_translate____spawns_all___2-12',
              A),
    lookup_ht(A, k(B, C), D),
    member(E, D),
    E=suspension(_, active, _, _),
    !,
    (   var(F)
    ->  true
    ;   arg(2, F, G),
        setarg(2, F, removed),
        (   G==not_stored_yet
        ->  true
        ;   ( arg(4, F, H),
              (   var(H)
              ->  nb_getval('$chr_store_global_ground_chr_translate____spawns_all_triggers___2',
                            I),
                  I=[_|J],
                  b_setval('$chr_store_global_ground_chr_translate____spawns_all_triggers___2',
                           J),
                  (   J=[K|_]
                  ->  setarg(4, K, _)
                  ;   true
                  )
              ;   H=[_, _|J],
                  setarg(2, H, J),
                  (   J=[K|_]
                  ->  setarg(4, K, H)
                  ;   true
                  )
              )
            ),
            ( nb_getval('$chr_store_multi_hash_chr_translate____spawns_all_triggers___2-1',
                        L),
              delete_ht(L, B, F)
            ),
            nb_getval('$chr_store_multi_hash_chr_translate____spawns_all_triggers___2-12',
                      M),
            delete_ht(M, k(B, C), F)
        )
    ).
spawns_all_triggers___2__1(B, body, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____spawns_all___2-12',
              A),
    lookup_ht(A, k(B, guard), C),
    member(D, C),
    D=suspension(_, active, _, _),
    !,
    (   var(E)
    ->  true
    ;   arg(2, E, F),
        setarg(2, E, removed),
        (   F==not_stored_yet
        ->  true
        ;   ( arg(4, E, G),
              (   var(G)
              ->  nb_getval('$chr_store_global_ground_chr_translate____spawns_all_triggers___2',
                            H),
                  H=[_|I],
                  b_setval('$chr_store_global_ground_chr_translate____spawns_all_triggers___2',
                           I),
                  (   I=[J|_]
                  ->  setarg(4, J, _)
                  ;   true
                  )
              ;   G=[_, _|I],
                  setarg(2, G, I),
                  (   I=[J|_]
                  ->  setarg(4, J, G)
                  ;   true
                  )
              )
            ),
            ( nb_getval('$chr_store_multi_hash_chr_translate____spawns_all_triggers___2-1',
                        K),
              delete_ht(K, B, E)
            ),
            nb_getval('$chr_store_multi_hash_chr_translate____spawns_all_triggers___2-12',
                      L),
            delete_ht(L, k(B, body), E)
        )
    ).
spawns_all_triggers___2__1(B, C, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-12', A),
    lookup_ht(A, k(B, C), D),
    !,
    spawns_all_triggers___2__1__0__7(D, B, C, E).
spawns_all_triggers___2__1__0__7([], A, B, C) :-
    spawns_all_triggers___2__2(A, B, C).
spawns_all_triggers___2__1__0__7([A|P], C, E, Q) :-
    (   ( A=suspension(_, active, _, _, B, D, F),
          B==C,
          D==E
        ),
        may_trigger(F)
    ->  ( setarg(2, A, removed),
          ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-13',
                      G),
            delete_ht(G, k(C, F), A)
          ),
          ( arg(4, A, H),
            (   var(H)
            ->  nb_getval('$chr_store_global_ground_chr_translate____spawns___3',
                          I),
                I=[_|J],
                b_setval('$chr_store_global_ground_chr_translate____spawns___3',
                         J),
                (   J=[K|_]
                ->  setarg(4, K, _)
                ;   true
                )
            ;   H=[_, _|J],
                setarg(2, H, J),
                (   J=[K|_]
                ->  setarg(4, K, H)
                ;   true
                )
            )
          ),
          ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-12',
                      L),
            delete_ht(L, k(C, E), A)
          ),
          ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-1',
                      M),
            delete_ht(M, C, A)
          ),
          ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-3',
                      N),
            delete_ht(N, F, A)
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-123',
                    O),
          delete_ht(O, k(C, E, F), A)
        ),
        spawns_all_triggers___2__1__0__7(P, C, E, Q)
    ;   spawns_all_triggers___2__1__0__7(P, C, E, Q)
    ).
spawns_all_triggers___2__1(A, B, C) :-
    spawns_all_triggers___2__2(A, B, C).
spawns_all_triggers___2__2(B, guard, D) :-
    nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-12', A),
    lookup_ht(A, k(B, body), C),
    !,
    spawns_all_triggers___2__2__0__8(C, B, guard, D).
spawns_all_triggers___2__2__0__8([], A, B, C) :-
    spawns_all_triggers___2__3(A, B, C).
spawns_all_triggers___2__2__0__8([A|O], C, P, Q) :-
    (   ( A=suspension(_, active, _, _, B, D, E),
          B==C,
          D=body
        ),
        may_trigger(E)
    ->  ( setarg(2, A, removed),
          ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-13',
                      F),
            delete_ht(F, k(C, E), A)
          ),
          ( arg(4, A, G),
            (   var(G)
            ->  nb_getval('$chr_store_global_ground_chr_translate____spawns___3',
                          H),
                H=[_|I],
                b_setval('$chr_store_global_ground_chr_translate____spawns___3',
                         I),
                (   I=[J|_]
                ->  setarg(4, J, _)
                ;   true
                )
            ;   G=[_, _|I],
                setarg(2, G, I),
                (   I=[J|_]
                ->  setarg(4, J, G)
                ;   true
                )
            )
          ),
          ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-12',
                      K),
            delete_ht(K, k(C, body), A)
          ),
          ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-1',
                      L),
            delete_ht(L, C, A)
          ),
          ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-3',
                      M),
            delete_ht(M, E, A)
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-123',
                    N),
          delete_ht(N, k(C, body, E), A)
        ),
        spawns_all_triggers___2__2__0__8(O, C, P, Q)
    ;   spawns_all_triggers___2__2__0__8(O, C, P, Q)
    ).
spawns_all_triggers___2__2(A, B, C) :-
    spawns_all_triggers___2__3(A, B, C).
spawns_all_triggers___2__3(J, L, C) :-
    nb_getval('$chr_store_global_ground_chr_translate____spawns_all_triggers_implies_spawns_all___0',
              A),
    member(B, A),
    B=suspension(_, active, _),
    !,
    (   var(C)
    ->  true
    ;   arg(2, C, D),
        setarg(2, C, removed),
        (   D==not_stored_yet
        ->  true
        ;   ( arg(4, C, E),
              (   var(E)
              ->  nb_getval('$chr_store_global_ground_chr_translate____spawns_all_triggers___2',
                            F),
                  F=[_|G],
                  b_setval('$chr_store_global_ground_chr_translate____spawns_all_triggers___2',
                           G),
                  (   G=[H|_]
                  ->  setarg(4, H, _)
                  ;   true
                  )
              ;   E=[_, _|G],
                  setarg(2, E, G),
                  (   G=[H|_]
                  ->  setarg(4, H, E)
                  ;   true
                  )
              )
            ),
            ( nb_getval('$chr_store_multi_hash_chr_translate____spawns_all_triggers___2-1',
                        I),
              delete_ht(I, J, C)
            ),
            nb_getval('$chr_store_multi_hash_chr_translate____spawns_all_triggers___2-12',
                      K),
            delete_ht(K, k(J, L), C)
        )
    ),
    spawns_all(J, L).
spawns_all_triggers___2__3(B, D, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-3', A),
    lookup_ht(A, B, F),
    !,
    C=suspension(E, not_stored_yet, t, _, B, D),
    'chr gen_id'(E),
    spawns_all_triggers___2__3__0__10(F, B, D, C).
spawns_all_triggers___2__3__0__10([], A, B, C) :-
    spawns_all_triggers___2__4(A, B, C).
spawns_all_triggers___2__3__0__10([A|H], C, I, J) :-
    (   ( A=suspension(_, active, _, _, E, _, B, G, _),
          B==C
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-3', D),
        lookup_ht(D, E, F)
    ->  spawns_all_triggers___2__3__1__10(F,
                                          E,
                                          G,
                                          A,
                                          H,
                                          C,
                                          I,
                                          J)
    ;   spawns_all_triggers___2__3__0__10(H, C, I, J)
    ).
spawns_all_triggers___2__3__1__10([], _, _, _, A, B, C, D) :-
    spawns_all_triggers___2__3__0__10(A, B, C, D).
spawns_all_triggers___2__3__1__10([A|Y], C, E, Z, A1, D, X, Q) :-
    (   ( A=suspension(_, active, _, _, G, M, B),
          B==C
        ),
        may_trigger(C),
        \+ is_passive(D, E)
    ->  ( setarg(2, A, removed),
          ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-13',
                      F),
            delete_ht(F, k(G, C), A)
          ),
          ( arg(4, A, H),
            (   var(H)
            ->  nb_getval('$chr_store_global_ground_chr_translate____spawns___3',
                          I),
                I=[_|J],
                b_setval('$chr_store_global_ground_chr_translate____spawns___3',
                         J),
                (   J=[K|_]
                ->  setarg(4, K, _)
                ;   true
                )
            ;   H=[_, _|J],
                setarg(2, H, J),
                (   J=[K|_]
                ->  setarg(4, K, H)
                ;   true
                )
            )
          ),
          ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-12',
                      L),
            delete_ht(L, k(G, M), A)
          ),
          ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-1',
                      N),
            delete_ht(N, G, A)
          ),
          ( nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-3',
                      O),
            delete_ht(O, C, A)
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-123',
                    P),
          delete_ht(P, k(G, M, C), A)
        ),
        ( arg(2, Q, R),
          setarg(2, Q, active),
          (   R==not_stored_yet
          ->  ( nb_getval('$chr_store_global_ground_chr_translate____spawns_all_triggers___2',
                          S),
                T=[Q|S],
                b_setval('$chr_store_global_ground_chr_translate____spawns_all_triggers___2',
                         T),
                (   S=[U|_]
                ->  setarg(4, U, T)
                ;   true
                )
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____spawns_all_triggers___2-1',
                          V),
                insert_ht(V, D, Q)
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____spawns_all_triggers___2-12',
                        W),
              insert_ht(W, k(D, X), Q)
          ;   true
          )
        ),
        spawns_all_triggers(G, M),
        (   Q=suspension(_, active, _, _, _, _)
        ->  setarg(2, Q, inactive),
            spawns_all_triggers___2__3__1__10(Y,
                                              C,
                                              E,
                                              Z,
                                              A1,
                                              D,
                                              X,
                                              Q)
        ;   true
        )
    ;   spawns_all_triggers___2__3__1__10(Y,
                                          C,
                                          E,
                                          Z,
                                          A1,
                                          D,
                                          X,
                                          Q)
    ).
spawns_all_triggers___2__3(B, C, A) :-
    A=suspension(D, not_stored_yet, t, _, B, C),
    'chr gen_id'(D),
    spawns_all_triggers___2__4(B, C, A).
spawns_all_triggers___2__4(B, D, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-3', A),
    lookup_ht(A, B, C),
    !,
    spawns_all_triggers___2__4__0__11(C, B, D, E).
spawns_all_triggers___2__4__0__11([], A, B, C) :-
    spawns_all_triggers___2__5(A, B, C).
spawns_all_triggers___2__4__0__11([A|H], C, I, J) :-
    (   ( A=suspension(_, active, _, _, E, _, B, G, _),
          B==C
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-3', D),
        lookup_ht(D, E, F)
    ->  spawns_all_triggers___2__4__1__11(F,
                                          E,
                                          G,
                                          A,
                                          H,
                                          C,
                                          I,
                                          J)
    ;   spawns_all_triggers___2__4__0__11(H, C, I, J)
    ).
spawns_all_triggers___2__4__1__11([], _, _, _, A, B, C, D) :-
    spawns_all_triggers___2__4__0__11(A, B, C, D).
spawns_all_triggers___2__4__1__11([A|R], C, H, E, S, G, O, D) :-
    (   A=suspension(_, active, _, _, P, Q, B),
        B==C,
        ( F=t(123, D, E, A),
          '$novel_production'(D, F),
          '$novel_production'(A, F)
        ),
        \+ may_trigger(C),
        \+ is_passive(G, H)
    ->  '$extend_history'(D, F),
        ( arg(2, D, I),
          setarg(2, D, active),
          (   I==not_stored_yet
          ->  ( nb_getval('$chr_store_global_ground_chr_translate____spawns_all_triggers___2',
                          J),
                K=[D|J],
                b_setval('$chr_store_global_ground_chr_translate____spawns_all_triggers___2',
                         K),
                (   J=[L|_]
                ->  setarg(4, L, K)
                ;   true
                )
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____spawns_all_triggers___2-1',
                          M),
                insert_ht(M, G, D)
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____spawns_all_triggers___2-12',
                        N),
              insert_ht(N, k(G, O), D)
          ;   true
          )
        ),
        spawns_all_triggers(P, Q),
        (   D=suspension(_, active, _, _, _, _)
        ->  setarg(2, D, inactive),
            spawns_all_triggers___2__4__1__11(R,
                                              C,
                                              H,
                                              E,
                                              S,
                                              G,
                                              O,
                                              D)
        ;   true
        )
    ;   spawns_all_triggers___2__4__1__11(R,
                                          C,
                                          H,
                                          E,
                                          S,
                                          G,
                                          O,
                                          D)
    ).
spawns_all_triggers___2__4(A, B, C) :-
    spawns_all_triggers___2__5(A, B, C).
spawns_all_triggers___2__5(B, C, D) :-
    nb_getval('$chr_store_global_ground_chr_translate____spawns___3', A),
    !,
    spawns_all_triggers___2__5__0__12(A, B, C, D).
spawns_all_triggers___2__5__0__12([], A, B, C) :-
    spawns_all_triggers___2__6(A, B, C).
spawns_all_triggers___2__5__0__12([A|F], G, H, I) :-
    (   A=suspension(_, active, _, _, C, _, E),
        nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-3',
                  B),
        lookup_ht(B, C, D)
    ->  spawns_all_triggers___2__5__1__12(D,
                                          C,
                                          E,
                                          A,
                                          F,
                                          G,
                                          H,
                                          I)
    ;   spawns_all_triggers___2__5__0__12(F, G, H, I)
    ).
spawns_all_triggers___2__5__1__12([], _, _, _, A, B, C, D) :-
    spawns_all_triggers___2__5__0__12(A, B, C, D).
spawns_all_triggers___2__5__1__12([A|R], C, I, D, S, O, Q, E) :-
    (   A=suspension(_, active, _, _, H, _, B, G, _),
        B==C,
        ( F=t(125, D, A, E),
          '$novel_production'(D, F),
          '$novel_production'(E, F)
        ),
        \+ is_passive(C, G),
        may_trigger(H),
        \+ may_trigger(I)
    ->  '$extend_history'(E, F),
        ( arg(2, E, J),
          setarg(2, E, active),
          (   J==not_stored_yet
          ->  ( nb_getval('$chr_store_global_ground_chr_translate____spawns_all_triggers___2',
                          K),
                L=[E|K],
                b_setval('$chr_store_global_ground_chr_translate____spawns_all_triggers___2',
                         L),
                (   K=[M|_]
                ->  setarg(4, M, L)
                ;   true
                )
              ),
              ( nb_getval('$chr_store_multi_hash_chr_translate____spawns_all_triggers___2-1',
                          N),
                insert_ht(N, O, E)
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____spawns_all_triggers___2-12',
                        P),
              insert_ht(P, k(O, Q), E)
          ;   true
          )
        ),
        spawns(O, Q, I),
        (   E=suspension(_, active, _, _, _, _)
        ->  setarg(2, E, inactive),
            spawns_all_triggers___2__5__1__12(R,
                                              C,
                                              I,
                                              D,
                                              S,
                                              O,
                                              Q,
                                              E)
        ;   true
        )
    ;   spawns_all_triggers___2__5__1__12(R,
                                          C,
                                          I,
                                          D,
                                          S,
                                          O,
                                          Q,
                                          E)
    ).
spawns_all_triggers___2__5(A, B, C) :-
    spawns_all_triggers___2__6(A, B, C).
spawns_all_triggers___2__6(G, I, A) :-
    arg(2, A, B),
    setarg(2, A, active),
    (   B==not_stored_yet
    ->  ( nb_getval('$chr_store_global_ground_chr_translate____spawns_all_triggers___2',
                    C),
          D=[A|C],
          b_setval('$chr_store_global_ground_chr_translate____spawns_all_triggers___2',
                   D),
          (   C=[E|_]
          ->  setarg(4, E, D)
          ;   true
          )
        ),
        ( nb_getval('$chr_store_multi_hash_chr_translate____spawns_all_triggers___2-1',
                    F),
          insert_ht(F, G, A)
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____spawns_all_triggers___2-12',
                  H),
        insert_ht(H, k(G, I), A)
    ;   true
    ).
spawns_all_triggers_implies_spawns_all :-
    spawns_all_triggers_implies_spawns_all___0__0(_).
spawns_all_triggers_implies_spawns_all___0__0(_) :-
    nb_getval('$chr_store_global_ground_chr_translate____spawns_all_triggers_implies_spawns_all___0',
              A),
    member(B, A),
    B=suspension(_, active, _),
    !,
    setarg(2, B, removed),
    arg(3, B, C),
    (   var(C)
    ->  nb_getval('$chr_store_global_ground_chr_translate____spawns_all_triggers_implies_spawns_all___0',
                  D),
        D=[_|E],
        b_setval('$chr_store_global_ground_chr_translate____spawns_all_triggers_implies_spawns_all___0',
                 E),
        (   E=[F|_]
        ->  setarg(3, F, _)
        ;   true
        )
    ;   C=[_, _|E],
        setarg(2, C, E),
        (   E=[F|_]
        ->  setarg(3, F, C)
        ;   true
        )
    ),
    fail.
spawns_all_triggers_implies_spawns_all___0__0(A) :-
    nb_getval('$chr_store_global_ground_chr_translate____spawns_all_triggers___2',
              C),
    !,
    A=suspension(B, not_stored_yet, _),
    'chr gen_id'(B),
    spawns_all_triggers_implies_spawns_all___0__0__0__3(C, A).
spawns_all_triggers_implies_spawns_all___0__0__0__3([], A) :-
    spawns_all_triggers_implies_spawns_all___0__1(A).
spawns_all_triggers_implies_spawns_all___0__0__0__3([A|O], J) :-
    (   A=suspension(_, active, _, _, G, I)
    ->  ( setarg(2, A, removed),
          ( arg(4, A, B),
            (   var(B)
            ->  nb_getval('$chr_store_global_ground_chr_translate____spawns_all_triggers___2',
                          C),
                C=[_|D],
                b_setval('$chr_store_global_ground_chr_translate____spawns_all_triggers___2',
                         D),
                (   D=[E|_]
                ->  setarg(4, E, _)
                ;   true
                )
            ;   B=[_, _|D],
                setarg(2, B, D),
                (   D=[E|_]
                ->  setarg(4, E, B)
                ;   true
                )
            )
          ),
          ( nb_getval('$chr_store_multi_hash_chr_translate____spawns_all_triggers___2-1',
                      F),
            delete_ht(F, G, A)
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____spawns_all_triggers___2-12',
                    H),
          delete_ht(H, k(G, I), A)
        ),
        ( arg(2, J, K),
          setarg(2, J, active),
          (   K==not_stored_yet
          ->  nb_getval('$chr_store_global_ground_chr_translate____spawns_all_triggers_implies_spawns_all___0',
                        L),
              M=[J|L],
              b_setval('$chr_store_global_ground_chr_translate____spawns_all_triggers_implies_spawns_all___0',
                       M),
              (   L=[N|_]
              ->  setarg(3, N, M)
              ;   true
              )
          ;   true
          )
        ),
        spawns_all(G, I),
        (   J=suspension(_, active, _)
        ->  setarg(2, J, inactive),
            spawns_all_triggers_implies_spawns_all___0__0__0__3(O,
                                                                J)
        ;   true
        )
    ;   spawns_all_triggers_implies_spawns_all___0__0__0__3(O, J)
    ).
spawns_all_triggers_implies_spawns_all___0__0(A) :-
    A=suspension(B, not_stored_yet, _),
    'chr gen_id'(B),
    spawns_all_triggers_implies_spawns_all___0__1(A).
spawns_all_triggers_implies_spawns_all___0__1(A) :-
    arg(2, A, B),
    setarg(2, A, active),
    (   B==not_stored_yet
    ->  nb_getval('$chr_store_global_ground_chr_translate____spawns_all_triggers_implies_spawns_all___0',
                  C),
        D=[A|C],
        b_setval('$chr_store_global_ground_chr_translate____spawns_all_triggers_implies_spawns_all___0',
                 D),
        (   C=[E|_]
        ->  setarg(3, E, D)
        ;   true
        )
    ;   true
    ).
all_spawned(B, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____spawns_all___2-12',
              A),
    (   lookup_ht(A, k(B, guard), C),
        member(D, C),
        D=suspension(_, active, _, _),
        !
    ;   lookup_ht(A, k(B, E), F),
        member(G, F),
        G=suspension(_, active, _, _),
        !
    ).
all_spawned(_, _) :-
    fail.
is_observed(B, C, G) :-
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-12',
              A),
    lookup_ht(A, k(B, C), D),
    member(E, D),
    E=suspension(_, active, _, _, _, _, F, _, _),
    !,
    do_is_observed(B, F, G).
is_observed(_, _, _) :-
    fail.
do_is_observed(B, C, A) :-
    var(A),
    !,
    do_is_observed(B, C).
do_is_observed(B, K, I) :-
    ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-1',
                A),
      lookup_ht(A, B, C),
      member(D, C),
      D=suspension(_, active, _, _, _, _, F, _, _),
      nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-3',
                E),
      lookup_ht(E, F, G),
      member(H, G),
      H=suspension(_, active, _, _, P, _, _, N, _),
      H\==D,
      ground(I)
    ),
    (   (   nb_getval('$chr_store_multi_hash_chr_translate____spawns_all___2-12',
                      J),
            lookup_ht(J, k(K, I), L),
            member(M, L),
            M=suspension(_, active, _, _),
            \+ is_passive(F, N),
            !
        ;   nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-123',
                      O),
            lookup_ht(O, k(K, I, P), Q),
            member(R, Q),
            R=suspension(_, active, _, _, _, _, _),
            \+ is_passive(F, N),
            !
        )
    ;   nb_getval('$chr_store_multi_hash_chr_translate____spawns_all_triggers___2-12',
                  S),
        lookup_ht(S, k(K, I), T),
        member(U, T),
        U=suspension(_, active, _, _, _, _),
        \+ is_passive(F, N),
        may_trigger(P),
        !
    ).
do_is_observed(_, _, _) :-
    chr_pp_flag(observation_analysis, off).
do_is_observed(B, J) :-
    ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-1',
                A),
      lookup_ht(A, B, C),
      member(D, C),
      D=suspension(_, active, _, _, _, _, F, _, _),
      nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-3',
                E),
      lookup_ht(E, F, G),
      member(H, G),
      H=suspension(_, active, _, _, O, _, _, M, _),
      H\==D
    ),
    (   (   nb_getval('$chr_store_multi_hash_chr_translate____spawns_all___2-1',
                      I),
            lookup_ht(I, J, K),
            member(L, K),
            L=suspension(_, active, _, _),
            \+ is_passive(F, M),
            !
        ;   nb_getval('$chr_store_multi_hash_chr_translate____spawns___3-13',
                      N),
            lookup_ht(N, k(J, O), P),
            member(Q, P),
            Q=suspension(_, active, _, _, _, _, _),
            \+ is_passive(F, M),
            !
        )
    ;   nb_getval('$chr_store_multi_hash_chr_translate____spawns_all_triggers___2-1',
                  R),
        lookup_ht(R, J, S),
        member(T, S),
        T=suspension(_, active, _, _, _, _),
        \+ is_passive(F, M),
        may_trigger(O),
        !
    ).
do_is_observed(_, _) :-
    chr_pp_flag(observation_analysis, off).
generate_indexed_variables_body(B/C, G, H, I) :-
    nb_getval('$chr_store_multi_hash_chr_translate____constraint_mode___2-1',
              A),
    lookup_ht(A, B/C, D),
    member(E, D),
    E=suspension(_, active, _, _, _, J),
    !,
    get_indexing_spec(B/C, F),
    (   chr_pp_flag(term_indexing, on)
    ->  spectermvars(F, G, B, C, H, I)
    ;   get_constraint_type_det(B/C, K),
        create_indexed_variables_body(G,
                                      J,
                                      K,
                                      I,
                                      1,
                                      B/C,
                                      L,
                                      M),
        (   L==empty
        ->  H=true,
            I=[]
        ;   M==0
        ->  (   G=[N]
            ->  true
            ;   N=..[term|G]
            ),
            H=term_variables(N, I)
        ;   L=H
        )
    ).
generate_indexed_variables_body(A, _, _, _) :-
    chr_error(internal,
              'generate_indexed_variables_body: missing mode info for ~w.\n',
              [A]).
empty_named_history_initialisations(A, B) :-
    D=suspension(C, active, _, A, B),
    'chr gen_id'(C),
    nb_getval('$chr_store_global_ground_chr_translate____empty_named_history_initialisations___2',
              E),
    F=[D|E],
    b_setval('$chr_store_global_ground_chr_translate____empty_named_history_initialisations___2',
             F),
    (   E=[G|_]
    ->  setarg(3, G, F)
    ;   true
    ).
generate_empty_named_history_initialisation(A) :-
    generate_empty_named_history_initialisation___1__0(A, _).
generate_empty_named_history_initialisation___1__0(A, G) :-
    (   'chr newvia_1'(A, B)
    ->  get_attr(B, chr_translate, C),
        C=v(_, D, _, _, _, _, _, _, _, _, _)
    ;   nb_getval('$chr_store_global_list_chr_translate____generate_empty_named_history_initialisation___1',
                  D)
    ),
    member(E, D),
    E=suspension(_, active, _, _, F),
    F==A,
    !,
    (   var(G)
    ->  true
    ;   G=suspension(_, H, _, _, I),
        setarg(2, G, removed),
        (   H==not_stored_yet
        ->  J=[]
        ;   term_variables(I, J),
            ( arg(4, G, K),
              (   var(K)
              ->  nb_getval('$chr_store_global_list_chr_translate____generate_empty_named_history_initialisation___1',
                            L),
                  L=[_|M],
                  b_setval('$chr_store_global_list_chr_translate____generate_empty_named_history_initialisation___1',
                           M),
                  (   M=[N|_]
                  ->  setarg(4, N, _)
                  ;   true
                  )
              ;   K=[_, _|M],
                  setarg(2, K, M),
                  (   M=[N|_]
                  ->  setarg(4, N, K)
                  ;   true
                  )
              )
            ),
            detach_generate_empty_named_history_initialisation___1(J,
                                                                   G)
        )
    ).
generate_empty_named_history_initialisation___1__0(B, A) :-
    nb_getval('$chr_store_global_ground_chr_translate____empty_named_history_initialisations___2',
              D),
    !,
    (   var(A)
    ->  A=suspension(C, not_stored_yet, 0, _, B),
        'chr gen_id'(C)
    ;   true
    ),
    generate_empty_named_history_initialisation___1__0__0__3(D,
                                                             B,
                                                             A).
generate_empty_named_history_initialisation___1__0__0__3([], A, B) :-
    generate_empty_named_history_initialisation___1__1(A, B).
generate_empty_named_history_initialisation___1__0__0__3([A|T], O, F) :-
    (   A=suspension(_, active, _, P, S)
    ->  ( setarg(2, A, removed),
          arg(3, A, B),
          (   var(B)
          ->  nb_getval('$chr_store_global_ground_chr_translate____empty_named_history_initialisations___2',
                        C),
              C=[_|D],
              b_setval('$chr_store_global_ground_chr_translate____empty_named_history_initialisations___2',
                       D),
              (   D=[E|_]
              ->  setarg(3, E, _)
              ;   true
              )
          ;   B=[_, _|D],
              setarg(2, B, D),
              (   D=[E|_]
              ->  setarg(3, E, B)
              ;   true
              )
          )
        ),
        ( arg(2, F, I),
          setarg(2, F, active),
          ( arg(3, F, G),
            H is G+1,
            setarg(3, F, H)
          ),
          (   I==not_stored_yet
          ->  F=suspension(_, _, _, _, J),
              term_variables(J, N),
              ( nb_getval('$chr_store_global_list_chr_translate____generate_empty_named_history_initialisation___1',
                          K),
                L=[F|K],
                b_setval('$chr_store_global_list_chr_translate____generate_empty_named_history_initialisation___1',
                         L),
                (   K=[M|_]
                ->  setarg(4, M, L)
                ;   true
                )
              ),
              attach_generate_empty_named_history_initialisation___1(N,
                                                                     F)
          ;   true
          )
        ),
        ( empty_named_history_global_variable(O, Q),
          P=[(:-nb_setval(Q, 0))|R],
          empty_named_history_initialisations(R, S)
        ),
        (   F=suspension(_, active, H, _, _)
        ->  setarg(2, F, inactive),
            generate_empty_named_history_initialisation___1__0__0__3(T,
                                                                     O,
                                                                     F)
        ;   true
        )
    ;   generate_empty_named_history_initialisation___1__0__0__3(T,
                                                                 O,
                                                                 F)
    ).
generate_empty_named_history_initialisation___1__0(B, A) :-
    (   var(A)
    ->  A=suspension(C, not_stored_yet, 0, _, B),
        'chr gen_id'(C)
    ;   true
    ),
    generate_empty_named_history_initialisation___1__1(B, A).
generate_empty_named_history_initialisation___1__1(_, A) :-
    arg(2, A, D),
    setarg(2, A, active),
    arg(3, A, B),
    C is B+1,
    setarg(3, A, C),
    (   D==not_stored_yet
    ->  A=suspension(_, _, _, _, E),
        term_variables(E, I),
        ( nb_getval('$chr_store_global_list_chr_translate____generate_empty_named_history_initialisation___1',
                    F),
          G=[A|F],
          b_setval('$chr_store_global_list_chr_translate____generate_empty_named_history_initialisation___1',
                   G),
          (   F=[H|_]
          ->  setarg(4, H, G)
          ;   true
          )
        ),
        attach_generate_empty_named_history_initialisation___1(I,
                                                               A)
    ;   true
    ).
find_empty_named_histories :-
    find_empty_named_histories___0__0(_).
find_empty_named_histories___0__0(A) :-
    nb_getval('$chr_store_constants_chr_translate____history___3___[3]___[]',
              C),
    !,
    A=suspension(B, not_stored_yet, t, _),
    'chr gen_id'(B),
    find_empty_named_histories___0__0__0__1(C, A).
find_empty_named_histories___0__0__0__1([], A) :-
    find_empty_named_histories___0__1(A).
find_empty_named_histories___0__0__0__1([A|J], C) :-
    (   A=suspension(_, active, _, _, I, B),
        B=[],
        D=t(142, C, A),
        '$novel_production'(C, D),
        '$novel_production'(A, D)
    ->  '$extend_history'(C, D),
        ( arg(2, C, E),
          setarg(2, C, active),
          (   E==not_stored_yet
          ->  nb_getval('$chr_store_global_ground_chr_translate____find_empty_named_histories___0',
                        F),
              G=[C|F],
              b_setval('$chr_store_global_ground_chr_translate____find_empty_named_histories___0',
                       G),
              (   F=[H|_]
              ->  setarg(4, H, G)
              ;   true
              )
          ;   true
          )
        ),
        generate_empty_named_history_initialisation(I),
        (   C=suspension(_, active, _, _)
        ->  setarg(2, C, inactive),
            find_empty_named_histories___0__0__0__1(J, C)
        ;   true
        )
    ;   find_empty_named_histories___0__0__0__1(J, C)
    ).
find_empty_named_histories___0__0(A) :-
    A=suspension(B, not_stored_yet, t, _),
    'chr gen_id'(B),
    find_empty_named_histories___0__1(A).
find_empty_named_histories___0__1(B) :-
    nb_getval('$chr_store_global_list_chr_translate____generate_empty_named_history_initialisation___1',
              A),
    !,
    find_empty_named_histories___0__1__0__2(A, B).
find_empty_named_histories___0__1__0__2([], A) :-
    find_empty_named_histories___0__2(A).
find_empty_named_histories___0__1__0__2([A|H], I) :-
    (   A=suspension(_, active, _, _, _)
    ->  ( A=suspension(_, _, _, _, B),
          setarg(2, A, removed),
          term_variables(B, G),
          ( arg(4, A, C),
            (   var(C)
            ->  nb_getval('$chr_store_global_list_chr_translate____generate_empty_named_history_initialisation___1',
                          D),
                D=[_|E],
                b_setval('$chr_store_global_list_chr_translate____generate_empty_named_history_initialisation___1',
                         E),
                (   E=[F|_]
                ->  setarg(4, F, _)
                ;   true
                )
            ;   C=[_, _|E],
                setarg(2, C, E),
                (   E=[F|_]
                ->  setarg(4, F, C)
                ;   true
                )
            )
          ),
          detach_generate_empty_named_history_initialisation___1(G,
                                                                 A)
        ),
        find_empty_named_histories___0__1__0__2(H, I)
    ;   find_empty_named_histories___0__1__0__2(H, I)
    ).
find_empty_named_histories___0__1(A) :-
    find_empty_named_histories___0__2(A).
find_empty_named_histories___0__2(G) :-
    nb_getval('$chr_store_global_ground_chr_translate____empty_named_history_initialisations___2',
              A),
    member(B, A),
    B=suspension(_, active, _, M, N),
    !,
    setarg(2, B, removed),
    arg(3, B, C),
    (   var(C)
    ->  nb_getval('$chr_store_global_ground_chr_translate____empty_named_history_initialisations___2',
                  D),
        D=[_|E],
        b_setval('$chr_store_global_ground_chr_translate____empty_named_history_initialisations___2',
                 E),
        (   E=[F|_]
        ->  setarg(3, F, _)
        ;   true
        )
    ;   C=[_, _|E],
        setarg(2, C, E),
        (   E=[F|_]
        ->  setarg(3, F, C)
        ;   true
        )
    ),
    (   var(G)
    ->  true
    ;   arg(2, G, H),
        setarg(2, G, removed),
        (   H==not_stored_yet
        ->  true
        ;   arg(4, G, I),
            (   var(I)
            ->  nb_getval('$chr_store_global_ground_chr_translate____find_empty_named_histories___0',
                          J),
                J=[_|K],
                b_setval('$chr_store_global_ground_chr_translate____find_empty_named_histories___0',
                         K),
                (   K=[L|_]
                ->  setarg(4, L, _)
                ;   true
                )
            ;   I=[_, _|K],
                setarg(2, I, K),
                (   K=[L|_]
                ->  setarg(4, L, I)
                ;   true
                )
            )
        )
    ),
    M=N.
find_empty_named_histories___0__2(A) :-
    (   var(A)
    ->  true
    ;   arg(2, A, B),
        setarg(2, A, removed),
        (   B==not_stored_yet
        ->  true
        ;   arg(4, A, C),
            (   var(C)
            ->  nb_getval('$chr_store_global_ground_chr_translate____find_empty_named_histories___0',
                          D),
                D=[_|E],
                b_setval('$chr_store_global_ground_chr_translate____find_empty_named_histories___0',
                         E),
                (   E=[F|_]
                ->  setarg(4, F, _)
                ;   true
                )
            ;   C=[_, _|E],
                setarg(2, C, E),
                (   E=[F|_]
                ->  setarg(4, F, C)
                ;   true
                )
            )
        )
    ),
    chr_error(internal, 'find_empty_named_histories was not removed', []).
module_initializer(A) :-
    C=suspension(B, active, _, A),
    'chr gen_id'(B),
    nb_getval('$chr_store_global_ground_chr_translate____module_initializer___1',
              D),
    E=[C|D],
    b_setval('$chr_store_global_ground_chr_translate____module_initializer___1',
             E),
    (   D=[F|_]
    ->  setarg(3, F, E)
    ;   true
    ).
module_initializers(G) :-
    nb_getval('$chr_store_global_ground_chr_translate____module_initializer___1',
              A),
    member(B, A),
    B=suspension(_, active, _, H),
    !,
    setarg(2, B, removed),
    arg(3, B, C),
    (   var(C)
    ->  nb_getval('$chr_store_global_ground_chr_translate____module_initializer___1',
                  D),
        D=[_|E],
        b_setval('$chr_store_global_ground_chr_translate____module_initializer___1',
                 E),
        (   E=[F|_]
        ->  setarg(3, F, _)
        ;   true
        )
    ;   C=[_, _|E],
        setarg(2, C, E),
        (   E=[F|_]
        ->  setarg(3, F, C)
        ;   true
        )
    ),
    G=(H, I),
    module_initializers(I).
module_initializers(true).
actual_atomic_multi_hash_keys(B, I, O) :-
    nb_getval('$chr_store_multi_hash_chr_translate____actual_store_types___2-1',
              A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _, J),
    nb_getval('$chr_store_multi_hash_chr_translate____validate_store_type_assumption___1-1',
              E),
    lookup_ht(E, B, F),
    member(G, F),
    G=suspension(_, active, _),
    !,
    setarg(2, D, removed),
    nb_getval('$chr_store_multi_hash_chr_translate____actual_store_types___2-1',
              H),
    delete_ht(H, B, D),
    selectchk(multi_hash([I]), J, Q),
    I=[K],
    (   get_constraint_arg_type(B, K, L),
        enumerated_atomic_type(L, M)
    ->  N=M,
        P=complete
    ;   N=O,
        P=incomplete
    ),
    actual_store_types(B,
                       [atomic_constants(I, N, P)|Q]).
actual_atomic_multi_hash_keys(B, C, H) :-
    nb_getval('$chr_store_multi_hash_chr_translate____actual_atomic_multi_hash_keys___3-12',
              A),
    lookup_ht(A, k(B, C), D),
    member(E, D),
    E=suspension(_, active, _, _, I),
    !,
    setarg(2, E, removed),
    nb_getval('$chr_store_multi_hash_chr_translate____actual_atomic_multi_hash_keys___3-12',
              F),
    delete_ht(F, k(B, C), E),
    nb_getval('$chr_store_multi_hash_chr_translate____actual_atomic_multi_hash_keys___3-1',
              G),
    delete_ht(G, B, E),
    append(H, I, J),
    sort(J, K),
    actual_atomic_multi_hash_keys(B, C, K).
actual_atomic_multi_hash_keys(B, C, I) :-
    nb_getval('$chr_store_multi_hash_chr_translate____actual_ground_multi_hash_keys___3-12',
              A),
    lookup_ht(A, k(B, C), D),
    member(E, D),
    E=suspension(_, active, _, _, H),
    !,
    setarg(2, E, removed),
    nb_getval('$chr_store_multi_hash_chr_translate____actual_ground_multi_hash_keys___3-12',
              F),
    delete_ht(F, k(B, C), E),
    nb_getval('$chr_store_multi_hash_chr_translate____actual_ground_multi_hash_keys___3-1',
              G),
    delete_ht(G, B, E),
    append(H, I, J),
    sort(J, K),
    actual_ground_multi_hash_keys(B, C, K).
actual_atomic_multi_hash_keys(B, C, _) :-
    nb_getval('$chr_store_multi_hash_chr_translate____actual_non_ground_multi_hash_key___2-12',
              A),
    lookup_ht(A, k(B, C), D),
    member(E, D),
    E=suspension(_, active, _, _),
    !.
actual_atomic_multi_hash_keys(A, B, C) :-
    F=suspension(D, active, A, B, C),
    'chr gen_id'(D),
    nb_getval('$chr_store_multi_hash_chr_translate____actual_atomic_multi_hash_keys___3-12',
              E),
    insert_ht(E, k(A, B), F),
    nb_getval('$chr_store_multi_hash_chr_translate____actual_atomic_multi_hash_keys___3-1',
              G),
    insert_ht(G, A, F).
actual_ground_multi_hash_keys(B, I, M) :-
    nb_getval('$chr_store_multi_hash_chr_translate____actual_store_types___2-1',
              A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _, O),
    nb_getval('$chr_store_multi_hash_chr_translate____validate_store_type_assumption___1-1',
              E),
    lookup_ht(E, B, F),
    member(G, F),
    G=suspension(_, active, _),
    !,
    setarg(2, D, removed),
    nb_getval('$chr_store_multi_hash_chr_translate____actual_store_types___2-1',
              H),
    delete_ht(H, B, D),
    (   I=[J],
        get_constraint_arg_type(B, J, K),
        K=chr_enum(L)
    ->  N=complete
    ;   L=M,
        N=incomplete
    ),
    selectchk(multi_hash([I]), O, P),
    actual_store_types(B,
                       [ground_constants(I, L, N)|P]).
actual_ground_multi_hash_keys(B, C, H) :-
    nb_getval('$chr_store_multi_hash_chr_translate____actual_atomic_multi_hash_keys___3-12',
              A),
    lookup_ht(A, k(B, C), D),
    member(E, D),
    E=suspension(_, active, _, _, I),
    !,
    setarg(2, E, removed),
    nb_getval('$chr_store_multi_hash_chr_translate____actual_atomic_multi_hash_keys___3-12',
              F),
    delete_ht(F, k(B, C), E),
    nb_getval('$chr_store_multi_hash_chr_translate____actual_atomic_multi_hash_keys___3-1',
              G),
    delete_ht(G, B, E),
    append(H, I, J),
    sort(J, K),
    actual_ground_multi_hash_keys(B, C, K).
actual_ground_multi_hash_keys(B, C, H) :-
    nb_getval('$chr_store_multi_hash_chr_translate____actual_ground_multi_hash_keys___3-12',
              A),
    lookup_ht(A, k(B, C), D),
    member(E, D),
    E=suspension(_, active, _, _, I),
    !,
    setarg(2, E, removed),
    nb_getval('$chr_store_multi_hash_chr_translate____actual_ground_multi_hash_keys___3-12',
              F),
    delete_ht(F, k(B, C), E),
    nb_getval('$chr_store_multi_hash_chr_translate____actual_ground_multi_hash_keys___3-1',
              G),
    delete_ht(G, B, E),
    append(H, I, J),
    sort(J, K),
    actual_ground_multi_hash_keys(B, C, K).
actual_ground_multi_hash_keys(B, C, _) :-
    nb_getval('$chr_store_multi_hash_chr_translate____actual_non_ground_multi_hash_key___2-12',
              A),
    lookup_ht(A, k(B, C), D),
    member(E, D),
    E=suspension(_, active, _, _),
    !.
actual_ground_multi_hash_keys(A, B, C) :-
    F=suspension(D, active, A, B, C),
    'chr gen_id'(D),
    nb_getval('$chr_store_multi_hash_chr_translate____actual_ground_multi_hash_keys___3-12',
              E),
    insert_ht(E, k(A, B), F),
    nb_getval('$chr_store_multi_hash_chr_translate____actual_ground_multi_hash_keys___3-1',
              G),
    insert_ht(G, A, F).
actual_non_ground_multi_hash_key(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____actual_non_ground_multi_hash_key___2-12',
              A),
    lookup_ht(A, k(B, C), D),
    member(E, D),
    E=suspension(_, active, _, _),
    !.
actual_non_ground_multi_hash_key(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____actual_atomic_multi_hash_keys___3-12',
              A),
    lookup_ht(A, k(B, C), D),
    !,
    actual_non_ground_multi_hash_key___2__0__0__3(D, B, C).
actual_non_ground_multi_hash_key___2__0__0__3([], A, B) :-
    actual_non_ground_multi_hash_key___2__1(A, B).
actual_non_ground_multi_hash_key___2__0__0__3([A|H], C, E) :-
    (   A=suspension(_, active, B, D, _),
        B==C,
        D==E
    ->  ( setarg(2, A, removed),
          ( nb_getval('$chr_store_multi_hash_chr_translate____actual_atomic_multi_hash_keys___3-12',
                      F),
            delete_ht(F, k(C, E), A)
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____actual_atomic_multi_hash_keys___3-1',
                    G),
          delete_ht(G, C, A)
        ),
        actual_non_ground_multi_hash_key___2__0__0__3(H, C, E)
    ;   actual_non_ground_multi_hash_key___2__0__0__3(H, C, E)
    ).
actual_non_ground_multi_hash_key(A, B) :-
    actual_non_ground_multi_hash_key___2__1(A, B).
actual_non_ground_multi_hash_key___2__1(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____actual_ground_multi_hash_keys___3-12',
              A),
    lookup_ht(A, k(B, C), D),
    !,
    actual_non_ground_multi_hash_key___2__1__0__4(D, B, C).
actual_non_ground_multi_hash_key___2__1__0__4([], A, B) :-
    actual_non_ground_multi_hash_key___2__2(A, B).
actual_non_ground_multi_hash_key___2__1__0__4([A|H], C, E) :-
    (   A=suspension(_, active, B, D, _),
        B==C,
        D==E
    ->  ( setarg(2, A, removed),
          ( nb_getval('$chr_store_multi_hash_chr_translate____actual_ground_multi_hash_keys___3-12',
                      F),
            delete_ht(F, k(C, E), A)
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____actual_ground_multi_hash_keys___3-1',
                    G),
          delete_ht(G, C, A)
        ),
        actual_non_ground_multi_hash_key___2__1__0__4(H, C, E)
    ;   actual_non_ground_multi_hash_key___2__1__0__4(H, C, E)
    ).
actual_non_ground_multi_hash_key___2__1(A, B) :-
    actual_non_ground_multi_hash_key___2__2(A, B).
actual_non_ground_multi_hash_key___2__2(A, B) :-
    E=suspension(C, active, A, B),
    'chr gen_id'(C),
    nb_getval('$chr_store_multi_hash_chr_translate____actual_non_ground_multi_hash_key___2-12',
              D),
    insert_ht(D, k(A, B), E).
symbol_count(A, B) :-
    symbol_count___2__0(A, B, _).
symbol_count___2__0(A, T, M) :-
    (   'chr newvia_1'(A, B)
    ->  get_attr(B, chr_translate, C),
        C=v(_, _, _, D, _, _, _, _, _, _, _)
    ;   nb_getval('$chr_store_global_list_chr_translate____fresh_symbol___2',
                  D)
    ),
    member(E, D),
    E=suspension(_, active, _, _, _, F, U),
    F==A,
    !,
    E=suspension(_, _, _, _, _, G, _),
    setarg(2, E, removed),
    term_variables(G, L),
    arg(5, E, H),
    (   var(H)
    ->  nb_getval('$chr_store_global_list_chr_translate____fresh_symbol___2',
                  I),
        I=[_|J],
        b_setval('$chr_store_global_list_chr_translate____fresh_symbol___2',
                 J),
        (   J=[K|_]
        ->  setarg(5, K, _)
        ;   true
        )
    ;   H=[_, _|J],
        setarg(2, H, J),
        (   J=[K|_]
        ->  setarg(5, K, H)
        ;   true
        )
    ),
    detach_fresh_symbol___2(L, E),
    (   var(M)
    ->  true
    ;   M=suspension(_, _, _, N, _),
        setarg(2, M, removed),
        term_variables(N, S),
        ( arg(3, M, O),
          (   var(O)
          ->  nb_getval('$chr_store_global_list_chr_translate____symbol_count___2',
                        P),
              P=[_|Q],
              b_setval('$chr_store_global_list_chr_translate____symbol_count___2',
                       Q),
              (   Q=[R|_]
              ->  setarg(3, R, _)
              ;   true
              )
          ;   O=[_, _|Q],
              setarg(2, O, Q),
              (   Q=[R|_]
              ->  setarg(3, R, O)
              ;   true
              )
          )
        ),
        detach_symbol_count___2(S, M)
    ),
    atom_concat(A, T, U),
    V is T+1,
    symbol_count(A, V).
symbol_count___2__0(B, C, A) :-
    (   var(A)
    ->  ( A=suspension(D, active, _, B, C),
          term_variables(B, H),
          'chr gen_id'(D)
        ),
        ( nb_getval('$chr_store_global_list_chr_translate____symbol_count___2',
                    E),
          F=[A|E],
          b_setval('$chr_store_global_list_chr_translate____symbol_count___2',
                   F),
          (   E=[G|_]
          ->  setarg(3, G, F)
          ;   true
          )
        ),
        attach_symbol_count___2(H, A)
    ;   setarg(2, A, active)
    ).
fresh_symbol(A, B) :-
    fresh_symbol___2__0(A, B, _).
fresh_symbol___2__0(A, V, M) :-
    (   'chr newvia_1'(A, B)
    ->  get_attr(B, chr_translate, C),
        C=v(_, _, D, _, _, _, _, _, _, _, _)
    ;   nb_getval('$chr_store_global_list_chr_translate____symbol_count___2',
                  D)
    ),
    member(E, D),
    E=suspension(_, active, _, F, U),
    F==A,
    !,
    E=suspension(_, _, _, G, _),
    setarg(2, E, removed),
    term_variables(G, L),
    arg(3, E, H),
    (   var(H)
    ->  nb_getval('$chr_store_global_list_chr_translate____symbol_count___2',
                  I),
        I=[_|J],
        b_setval('$chr_store_global_list_chr_translate____symbol_count___2',
                 J),
        (   J=[K|_]
        ->  setarg(3, K, _)
        ;   true
        )
    ;   H=[_, _|J],
        setarg(2, H, J),
        (   J=[K|_]
        ->  setarg(3, K, H)
        ;   true
        )
    ),
    detach_symbol_count___2(L, E),
    (   var(M)
    ->  true
    ;   M=suspension(_, N, _, _, _, O, _),
        setarg(2, M, removed),
        (   N==not_stored_yet
        ->  P=[]
        ;   term_variables(O, P),
            ( arg(5, M, Q),
              (   var(Q)
              ->  nb_getval('$chr_store_global_list_chr_translate____fresh_symbol___2',
                            R),
                  R=[_|S],
                  b_setval('$chr_store_global_list_chr_translate____fresh_symbol___2',
                           S),
                  (   S=[T|_]
                  ->  setarg(5, T, _)
                  ;   true
                  )
              ;   Q=[_, _|S],
                  setarg(2, Q, S),
                  (   S=[T|_]
                  ->  setarg(5, T, Q)
                  ;   true
                  )
              )
            ),
            detach_fresh_symbol___2(P, M)
        )
    ),
    atom_concat(A, U, V),
    W is U+1,
    symbol_count(A, W).
fresh_symbol___2__0(B, C, A) :-
    (   var(A)
    ->  A=suspension(D, not_stored_yet, t, 0, _, B, C),
        'chr gen_id'(D)
    ;   true
    ),
    (   '$novel_production'(A, 157),
        !,
        '$extend_history'(A, 157),
        arg(2, A, G),
        setarg(2, A, active),
        arg(4, A, E),
        F is E+1,
        setarg(4, A, F),
        (   G==not_stored_yet
        ->  A=suspension(_, _, _, _, _, H, _),
            term_variables(H, L),
            ( nb_getval('$chr_store_global_list_chr_translate____fresh_symbol___2',
                        I),
              J=[A|I],
              b_setval('$chr_store_global_list_chr_translate____fresh_symbol___2',
                       J),
              (   I=[K|_]
              ->  setarg(5, K, J)
              ;   true
              )
            ),
            attach_fresh_symbol___2(L, A)
        ;   true
        ),
        symbol_count(B, 0),
        (   A=suspension(_, active, _, F, _, _, _)
        ->  setarg(2, A, inactive),
            fresh_symbol___2__1(B, C, A)
        ;   true
        )
    ;   fresh_symbol___2__1(B, C, A)
    ).
fresh_symbol___2__1(_, _, A) :-
    arg(2, A, D),
    setarg(2, A, active),
    arg(4, A, B),
    C is B+1,
    setarg(4, A, C),
    (   D==not_stored_yet
    ->  A=suspension(_, _, _, _, _, E, _),
        term_variables(E, I),
        ( nb_getval('$chr_store_global_list_chr_translate____fresh_symbol___2',
                    F),
          G=[A|F],
          b_setval('$chr_store_global_list_chr_translate____fresh_symbol___2',
                   G),
          (   F=[H|_]
          ->  setarg(5, H, G)
          ;   true
          )
        ),
        attach_fresh_symbol___2(I, A)
    ;   true
    ).
prolog_global_variable(B) :-
    nb_getval('$chr_store_multi_hash_chr_translate____prolog_global_variable___1-1',
              A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _, _),
    !.
prolog_global_variable(A) :-
    C=suspension(B, active, _, A),
    'chr gen_id'(B),
    nb_getval('$chr_store_global_ground_chr_translate____prolog_global_variable___1',
              D),
    E=[C|D],
    b_setval('$chr_store_global_ground_chr_translate____prolog_global_variable___1',
             E),
    (   D=[F|_]
    ->  setarg(3, F, E)
    ;   true
    ),
    nb_getval('$chr_store_multi_hash_chr_translate____prolog_global_variable___1-1',
              G),
    insert_ht(G, A, C).
prolog_global_variables(I) :-
    nb_getval('$chr_store_global_ground_chr_translate____prolog_global_variable___1',
              A),
    member(B, A),
    B=suspension(_, active, _, H),
    !,
    setarg(2, B, removed),
    arg(3, B, C),
    (   var(C)
    ->  nb_getval('$chr_store_global_ground_chr_translate____prolog_global_variable___1',
                  D),
        D=[_|E],
        b_setval('$chr_store_global_ground_chr_translate____prolog_global_variable___1',
                 E),
        (   E=[F|_]
        ->  setarg(3, F, _)
        ;   true
        )
    ;   C=[_, _|E],
        setarg(2, C, E),
        (   E=[F|_]
        ->  setarg(3, F, C)
        ;   true
        )
    ),
    nb_getval('$chr_store_multi_hash_chr_translate____prolog_global_variable___1-1',
              G),
    delete_ht(G, H, B),
    I=[H|J],
    prolog_global_variables(J).
prolog_global_variables([]).
background_info(G) :-
    nb_getval('$chr_store_global_ground_chr_translate____background_info___1',
              A),
    member(B, A),
    B=suspension(_, active, _, H),
    !,
    setarg(2, B, removed),
    arg(3, B, C),
    (   var(C)
    ->  nb_getval('$chr_store_global_ground_chr_translate____background_info___1',
                  D),
        D=[_|E],
        b_setval('$chr_store_global_ground_chr_translate____background_info___1',
                 E),
        (   E=[F|_]
        ->  setarg(3, F, _)
        ;   true
        )
    ;   C=[_, _|E],
        setarg(2, C, E),
        (   E=[F|_]
        ->  setarg(3, F, C)
        ;   true
        )
    ),
    append(G, H, I),
    background_info(I).
background_info(A) :-
    C=suspension(B, active, _, A),
    'chr gen_id'(B),
    nb_getval('$chr_store_global_ground_chr_translate____background_info___1',
              D),
    E=[C|D],
    b_setval('$chr_store_global_ground_chr_translate____background_info___1',
             E),
    (   D=[F|_]
    ->  setarg(3, F, E)
    ;   true
    ).
background_info(A, B) :-
    background_info___2__0(A, B, _).
background_info___2__0(B, C, A) :-
    nb_getval('$chr_store_global_list_chr_translate____get_bg_info___2', E),
    !,
    (   var(A)
    ->  A=suspension(D, not_stored_yet, t, 0, _, B, C),
        'chr gen_id'(D)
    ;   true
    ),
    background_info___2__0__0__1(E, B, C, A).
background_info___2__0__0__1([], A, B, C) :-
    background_info___2__1(A, B, C).
background_info___2__0__0__1([A|Q], D, O, B) :-
    (   A=suspension(_, active, _, _, _, F, _),
        ( C=t(164, B, A),
          '$novel_production'(B, C),
          '$novel_production'(A, C)
        ),
        copy_term_nat(D, E),
        subsumes_term(E, F)
    ->  '$extend_history'(B, C),
        ( arg(2, B, I),
          setarg(2, B, active),
          ( arg(4, B, G),
            H is G+1,
            setarg(4, B, H)
          ),
          (   I==not_stored_yet
          ->  B=suspension(_, _, _, _, _, J, _),
              term_variables(J, N),
              ( nb_getval('$chr_store_global_list_chr_translate____background_info___2',
                          K),
                L=[B|K],
                b_setval('$chr_store_global_list_chr_translate____background_info___2',
                         L),
                (   K=[M|_]
                ->  setarg(5, M, L)
                ;   true
                )
              ),
              attach_background_info___2(N, B)
          ;   true
          )
        ),
        ( copy_term_nat(D-O, F-P),
          get_bg_info_answer([P])
        ),
        (   B=suspension(_, active, _, H, _, _, _)
        ->  setarg(2, B, inactive),
            background_info___2__0__0__1(Q, D, O, B)
        ;   true
        )
    ;   background_info___2__0__0__1(Q, D, O, B)
    ).
background_info___2__0(B, C, A) :-
    (   var(A)
    ->  A=suspension(D, not_stored_yet, t, 0, _, B, C),
        'chr gen_id'(D)
    ;   true
    ),
    background_info___2__1(B, C, A).
background_info___2__1(_, _, A) :-
    arg(2, A, D),
    setarg(2, A, active),
    arg(4, A, B),
    C is B+1,
    setarg(4, A, C),
    (   D==not_stored_yet
    ->  A=suspension(_, _, _, _, _, E, _),
        term_variables(E, I),
        ( nb_getval('$chr_store_global_list_chr_translate____background_info___2',
                    F),
          G=[A|F],
          b_setval('$chr_store_global_list_chr_translate____background_info___2',
                   G),
          (   F=[H|_]
          ->  setarg(5, H, G)
          ;   true
          )
        ),
        attach_background_info___2(I, A)
    ;   true
    ).
get_bg_info(C) :-
    nb_getval('$chr_store_global_ground_chr_translate____background_info___1',
              A),
    member(B, A),
    B=suspension(_, active, _, D),
    !,
    C=D.
get_bg_info([]).
get_bg_info(A, B) :-
    get_bg_info___2__0(A, B, _).
get_bg_info___2__0(B, C, A) :-
    nb_getval('$chr_store_global_list_chr_translate____background_info___2',
              E),
    !,
    (   var(A)
    ->  A=suspension(D, not_stored_yet, t, 0, _, B, C),
        'chr gen_id'(D)
    ;   true
    ),
    get_bg_info___2__0__0__1(E, B, C, A).
get_bg_info___2__0__0__1([], A, B, C) :-
    get_bg_info___2__1(A, B, C).
get_bg_info___2__0__0__1([A|Q], F, R, B) :-
    (   A=suspension(_, active, _, _, _, D, O),
        ( C=t(164, A, B),
          '$novel_production'(A, C),
          '$novel_production'(B, C)
        ),
        copy_term_nat(D, E),
        subsumes_term(E, F)
    ->  '$extend_history'(B, C),
        ( arg(2, B, I),
          setarg(2, B, active),
          ( arg(4, B, G),
            H is G+1,
            setarg(4, B, H)
          ),
          (   I==not_stored_yet
          ->  B=suspension(_, _, _, _, _, J, _),
              term_variables(J, N),
              ( nb_getval('$chr_store_global_list_chr_translate____get_bg_info___2',
                          K),
                L=[B|K],
                b_setval('$chr_store_global_list_chr_translate____get_bg_info___2',
                         L),
                (   K=[M|_]
                ->  setarg(5, M, L)
                ;   true
                )
              ),
              attach_get_bg_info___2(N, B)
          ;   true
          )
        ),
        ( copy_term_nat(D-O, F-P),
          get_bg_info_answer([P])
        ),
        (   B=suspension(_, active, _, H, _, _, _)
        ->  setarg(2, B, inactive),
            get_bg_info___2__0__0__1(Q, F, R, B)
        ;   true
        )
    ;   get_bg_info___2__0__0__1(Q, F, R, B)
    ).
get_bg_info___2__0(B, C, A) :-
    (   var(A)
    ->  A=suspension(D, not_stored_yet, t, 0, _, B, C),
        'chr gen_id'(D)
    ;   true
    ),
    get_bg_info___2__1(B, C, A).
get_bg_info___2__1(_, O, G) :-
    nb_getval('$chr_store_global_ground_chr_translate____get_bg_info_answer___1',
              A),
    member(B, A),
    B=suspension(_, active, _, P),
    !,
    setarg(2, B, removed),
    arg(3, B, C),
    (   var(C)
    ->  nb_getval('$chr_store_global_ground_chr_translate____get_bg_info_answer___1',
                  D),
        D=[_|E],
        b_setval('$chr_store_global_ground_chr_translate____get_bg_info_answer___1',
                 E),
        (   E=[F|_]
        ->  setarg(3, F, _)
        ;   true
        )
    ;   C=[_, _|E],
        setarg(2, C, E),
        (   E=[F|_]
        ->  setarg(3, F, C)
        ;   true
        )
    ),
    (   var(G)
    ->  true
    ;   G=suspension(_, H, _, _, _, I, _),
        setarg(2, G, removed),
        (   H==not_stored_yet
        ->  J=[]
        ;   term_variables(I, J),
            ( arg(5, G, K),
              (   var(K)
              ->  nb_getval('$chr_store_global_list_chr_translate____get_bg_info___2',
                            L),
                  L=[_|M],
                  b_setval('$chr_store_global_list_chr_translate____get_bg_info___2',
                           M),
                  (   M=[N|_]
                  ->  setarg(5, N, _)
                  ;   true
                  )
              ;   K=[_, _|M],
                  setarg(2, K, M),
                  (   M=[N|_]
                  ->  setarg(5, N, K)
                  ;   true
                  )
              )
            ),
            detach_get_bg_info___2(J, G)
        )
    ),
    O=P.
get_bg_info___2__1(_, I, A) :-
    (   var(A)
    ->  true
    ;   A=suspension(_, B, _, _, _, C, _),
        setarg(2, A, removed),
        (   B==not_stored_yet
        ->  D=[]
        ;   term_variables(C, D),
            ( arg(5, A, E),
              (   var(E)
              ->  nb_getval('$chr_store_global_list_chr_translate____get_bg_info___2',
                            F),
                  F=[_|G],
                  b_setval('$chr_store_global_list_chr_translate____get_bg_info___2',
                           G),
                  (   G=[H|_]
                  ->  setarg(5, H, _)
                  ;   true
                  )
              ;   E=[_, _|G],
                  setarg(2, E, G),
                  (   G=[H|_]
                  ->  setarg(5, H, E)
                  ;   true
                  )
              )
            ),
            detach_get_bg_info___2(D, A)
        )
    ),
    I=[].
get_bg_info_answer(G) :-
    nb_getval('$chr_store_global_ground_chr_translate____get_bg_info_answer___1',
              A),
    member(B, A),
    B=suspension(_, active, _, H),
    !,
    setarg(2, B, removed),
    arg(3, B, C),
    (   var(C)
    ->  nb_getval('$chr_store_global_ground_chr_translate____get_bg_info_answer___1',
                  D),
        D=[_|E],
        b_setval('$chr_store_global_ground_chr_translate____get_bg_info_answer___1',
                 E),
        (   E=[F|_]
        ->  setarg(3, F, _)
        ;   true
        )
    ;   C=[_, _|E],
        setarg(2, C, E),
        (   E=[F|_]
        ->  setarg(3, F, C)
        ;   true
        )
    ),
    append(G, H, I),
    get_bg_info_answer(I).
get_bg_info_answer(A) :-
    C=suspension(B, active, _, A),
    'chr gen_id'(B),
    nb_getval('$chr_store_global_ground_chr_translate____get_bg_info_answer___1',
              D),
    E=[C|D],
    b_setval('$chr_store_global_ground_chr_translate____get_bg_info_answer___1',
             E),
    (   D=[F|_]
    ->  setarg(3, F, E)
    ;   true
    ).
prev_guard_list(W, B, V, H, Z, Q, O, P) :-
    nb_getval('$chr_store_multi_hash_chr_translate____rule___2-1', A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _, _, _, E),
    E=pragma(rule(F, J, N, _), _, _, _, _),
    F\==[],
    make_head_matchings_explicit(B, G, L),
    setof(I, chr_translate:head_subset(G, H, I), K),
    !,
    append(F, J, M),
    compute_derived_info(K,
                         L,
                         G,
                         M,
                         N,
                         O,
                         H,
                         P,
                         R,
                         T),
    append(Q, R, S),
    normalize_conj_list(S, A1),
    append(T, P, U),
    normalize_conj_list(U, B1),
    next_prev_rule(V, X, Y),
    prev_guard_list(W,
                    X,
                    Y,
                    H,
                    Z,
                    A1,
                    O,
                    B1).
prev_guard_list(C, A, B, F, G, H, I, J) :-
    (   A>0
    ->  next_prev_rule(B, D, E),
        prev_guard_list(C,
                        D,
                        E,
                        F,
                        G,
                        H,
                        I,
                        J)
    ;   prev_guard_list(C, F, G, H, I, J)
    ).
prev_guard_list(A, B, C, D, E, F) :-
    prev_guard_list___6__0(A,
                           B,
                           C,
                           D,
                           E,
                           F,
                           _).
prev_guard_list___6__0(M, B, I, F, O, A, _) :-
    A\==[],
    !,
    head_types_modes_condition(A, B, C),
    conj2list(C, E),
    term_variables(B, D),
    append([chr_pp_headvariables(D)|E], F, G),
    normalize_conj_list(G, H),
    append(B, H, J),
    add_background_info([I|J], K),
    append(H, K, L),
    normalize_conj_list(L, N),
    prev_guard_list(M, B, I, N, O, []).
prev_guard_list___6__0(B, Y, F, H, G, A1, Z) :-
    ( nb_getval('$chr_store_multi_hash_chr_translate____rule___2-1', A),
      lookup_ht(A, B, C)
    ),
    (   member(D, C),
        D=suspension(_, active, _, _, _, E),
        E=pragma(rule(S, T, F, L), V, W, X, B),
        F\==true,
        append(G, H, I),
        (   conj2list(F, J),
            append(I, J, K),
            guard_entailment:entails_guard(K, fail)
        ->  M=fail
        ;   simplify_guard(F, L, I, M, U)
        ),
        F\==M,
        !,
        setarg(2, D, removed),
        arg(4, D, N),
        (   var(N)
        ->  nb_getval('$chr_store_global_ground_chr_translate____rule___2',
                      O),
            O=[_|P],
            b_setval('$chr_store_global_ground_chr_translate____rule___2',
                     P),
            (   P=[Q|_]
            ->  setarg(4, Q, _)
            ;   true
            )
        ;   N=[_, _|P],
            setarg(2, N, P),
            (   P=[Q|_]
            ->  setarg(4, Q, N)
            ;   true
            )
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____rule___2-1', R),
        delete_ht(R, B, D),
        rule(B,
             pragma(rule(S, T, M, U),
                    V,
                    W,
                    X,
                    B)),
        prev_guard_list(B, Y, M, H, G, [])
    ;   !,
        Z=suspension(B1, not_stored_yet, t, _, B, Y, F, H, G, A1),
        'chr gen_id'(B1),
        prev_guard_list___6__0__0__3(C,
                                     B,
                                     Y,
                                     F,
                                     H,
                                     G,
                                     A1,
                                     Z)
    ).
prev_guard_list___6__0__0__3([], A, B, C, D, E, F, G) :-
    prev_guard_list___6__1(A,
                           B,
                           C,
                           D,
                           E,
                           F,
                           G).
prev_guard_list___6__0__0__3([A|R], C, S, G, I, H, T, D) :-
    (   A=suspension(_, active, _, _, B, F),
        B==C,
        ( E=t(178, D, A),
          '$novel_production'(D, E),
          '$novel_production'(A, E)
        ),
        chr_pp_flag(check_impossible_rules, on),
        F=pragma(rule(_, _, G, _), _, _, _, C),
        conj2list(G, K),
        append(H, I, J),
        append(J, K, L),
        guard_entailment:entails_guard(L, fail)
    ->  '$extend_history'(D, E),
        ( arg(2, D, M),
          setarg(2, D, active),
          (   M==not_stored_yet
          ->  ( nb_getval('$chr_store_global_ground_chr_translate____prev_guard_list___6',
                          N),
                O=[D|N],
                b_setval('$chr_store_global_ground_chr_translate____prev_guard_list___6',
                         O),
                (   N=[P|_]
                ->  setarg(4, P, O)
                ;   true
                )
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____prev_guard_list___6-1',
                        Q),
              insert_ht(Q, C, D)
          ;   true
          )
        ),
        ( chr_warning(weird_program,
                      'Heads will never match or guard will always fail in ~@.\n\tThis rule will never fire!\n',
                      [format_rule(F)]),
          set_all_passive(C)
        ),
        (   D=suspension(_, active, _, _, _, _, _, _, _, _)
        ->  setarg(2, D, inactive),
            prev_guard_list___6__0__0__3(R,
                                         C,
                                         S,
                                         G,
                                         I,
                                         H,
                                         T,
                                         D)
        ;   true
        )
    ;   prev_guard_list___6__0__0__3(R,
                                     C,
                                     S,
                                     G,
                                     I,
                                     H,
                                     T,
                                     D)
    ).
prev_guard_list___6__0(B, C, D, E, F, G, A) :-
    A=suspension(H, not_stored_yet, t, _, B, C, D, E, F, G),
    'chr gen_id'(H),
    prev_guard_list___6__1(B,
                           C,
                           D,
                           E,
                           F,
                           G,
                           A).
prev_guard_list___6__1(B, D, E, F, G, H, I) :-
    nb_getval('$chr_store_multi_hash_chr_translate____rule___2-1', A),
    lookup_ht(A, B, C),
    !,
    prev_guard_list___6__1__0__4(C,
                                 B,
                                 D,
                                 E,
                                 F,
                                 G,
                                 H,
                                 I).
prev_guard_list___6__1__0__4([], A, B, C, D, E, F, G) :-
    prev_guard_list___6__2(A,
                           B,
                           C,
                           D,
                           E,
                           F,
                           G).
prev_guard_list___6__1__0__4([A|M1], C, L, E, G, F, N1, F1) :-
    (   ( A=suspension(_, active, _, _, B, D),
          B==C
        ),
        D=pragma(rule(J, K, E, H), X, Y, Z, C),
        simplify_heads(F, G, E, H, I, R),
        I\==[],
        extract_arguments(J, M),
        extract_arguments(K, N),
        extract_arguments(L, O),
        replace_some_heads(M,
                           N,
                           O,
                           I,
                           P,
                           Q,
                           E,
                           H,
                           S),
        substitute_arguments(J, P, U),
        substitute_arguments(K, Q, V),
        append(R, S, T),
        list2conj(T, W),
        L1=pragma(rule(U, V, E,  (W, H)), X, Y, Z, C),
        (   J\==U
        ;   K\==V
        )
    ->  ( setarg(2, A, removed),
          ( arg(4, A, A1),
            (   var(A1)
            ->  nb_getval('$chr_store_global_ground_chr_translate____rule___2',
                          B1),
                B1=[_|C1],
                b_setval('$chr_store_global_ground_chr_translate____rule___2',
                         C1),
                (   C1=[D1|_]
                ->  setarg(4, D1, _)
                ;   true
                )
            ;   A1=[_, _|C1],
                setarg(2, A1, C1),
                (   C1=[D1|_]
                ->  setarg(4, D1, A1)
                ;   true
                )
            )
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____rule___2-1',
                    E1),
          delete_ht(E1, C, A)
        ),
        ( arg(2, F1, G1),
          setarg(2, F1, active),
          (   G1==not_stored_yet
          ->  ( nb_getval('$chr_store_global_ground_chr_translate____prev_guard_list___6',
                          H1),
                I1=[F1|H1],
                b_setval('$chr_store_global_ground_chr_translate____prev_guard_list___6',
                         I1),
                (   H1=[J1|_]
                ->  setarg(4, J1, I1)
                ;   true
                )
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____prev_guard_list___6-1',
                        K1),
              insert_ht(K1, C, F1)
          ;   true
          )
        ),
        rule(C, L1),
        (   F1=suspension(_, active, _, _, _, _, _, _, _, _)
        ->  setarg(2, F1, inactive),
            prev_guard_list___6__1__0__4(M1,
                                         C,
                                         L,
                                         E,
                                         G,
                                         F,
                                         N1,
                                         F1)
        ;   true
        )
    ;   prev_guard_list___6__1__0__4(M1,
                                     C,
                                     L,
                                     E,
                                     G,
                                     F,
                                     N1,
                                     F1)
    ).
prev_guard_list___6__1(A, B, C, D, E, F, G) :-
    prev_guard_list___6__2(A,
                           B,
                           C,
                           D,
                           E,
                           F,
                           G).
prev_guard_list___6__2(B, D, E, F, G, H, I) :-
    nb_getval('$chr_store_multi_hash_chr_translate____rule___2-1', A),
    lookup_ht(A, B, C),
    !,
    prev_guard_list___6__2__0__5(C,
                                 B,
                                 D,
                                 E,
                                 F,
                                 G,
                                 H,
                                 I).
prev_guard_list___6__2__0__5([], A, B, C, D, E, F, G) :-
    prev_guard_list___6__3(A,
                           B,
                           C,
                           D,
                           E,
                           F,
                           G).
prev_guard_list___6__2__0__5([A|G], C, H, I, J, K, L, M) :-
    (   ( A=suspension(_, active, _, _, B, F),
          B==C
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-3',
                  D),
        lookup_ht(D, C, E)
    ->  prev_guard_list___6__2__1__5(E,
                                     F,
                                     A,
                                     G,
                                     C,
                                     H,
                                     I,
                                     J,
                                     K,
                                     L,
                                     M)
    ;   prev_guard_list___6__2__0__5(G,
                                     C,
                                     H,
                                     I,
                                     J,
                                     K,
                                     L,
                                     M)
    ).
prev_guard_list___6__2__1__5([], _, _, A, B, C, D, E, F, G, H) :-
    prev_guard_list___6__2__0__5(A,
                                 B,
                                 C,
                                 D,
                                 E,
                                 F,
                                 G,
                                 H).
prev_guard_list___6__2__1__5([A|H], I, J, K, C, L, M, N, O, P, Q) :-
    (   ( A=suspension(_, active, _, _, E, G, B, _, _),
          B==C
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-13',
                  D),
        lookup_ht(D, k(E, C), F)
    ->  prev_guard_list___6__2__2__5(F,
                                     E,
                                     G,
                                     A,
                                     H,
                                     I,
                                     J,
                                     K,
                                     C,
                                     L,
                                     M,
                                     N,
                                     O,
                                     P,
                                     Q)
    ;   prev_guard_list___6__2__1__5(H,
                                     I,
                                     J,
                                     K,
                                     C,
                                     L,
                                     M,
                                     N,
                                     O,
                                     P,
                                     Q)
    ).
prev_guard_list___6__2__2__5([], _, _, _, A, B, C, D, E, F, G, H, I, J, K) :-
    prev_guard_list___6__2__1__5(A,
                                 B,
                                 C,
                                 D,
                                 E,
                                 F,
                                 G,
                                 H,
                                 I,
                                 J,
                                 K).
prev_guard_list___6__2__2__5([A|J], D, K, B, L, M, N, O, F, P, Q, R, S, T, U) :-
    (   ( A=suspension(_, active, _, _, C, H, E, I, _),
          A\==B,
          C==D,
          E==F
        ),
        nb_getval('$chr_store_global_ground_chr_translate____multiple_occ_constraints_checked___1',
                  G)
    ->  prev_guard_list___6__2__3__5(G,
                                     H,
                                     I,
                                     A,
                                     J,
                                     D,
                                     K,
                                     B,
                                     L,
                                     M,
                                     N,
                                     O,
                                     F,
                                     P,
                                     Q,
                                     R,
                                     S,
                                     T,
                                     U)
    ;   prev_guard_list___6__2__2__5(J,
                                     D,
                                     K,
                                     B,
                                     L,
                                     M,
                                     N,
                                     O,
                                     F,
                                     P,
                                     Q,
                                     R,
                                     S,
                                     T,
                                     U)
    ).
prev_guard_list___6__2__3__5([], _, _, _, A, B, C, D, E, F, G, H, I, J, K, L, M, N, O) :-
    prev_guard_list___6__2__2__5(A,
                                 B,
                                 C,
                                 D,
                                 E,
                                 F,
                                 G,
                                 H,
                                 I,
                                 J,
                                 K,
                                 L,
                                 M,
                                 N,
                                 O).
prev_guard_list___6__2__3__5([A|U], B, S, V, W, F, C, X, Y, D, Z, A1, R, B1, C1, D1, E1, F1, L) :-
    (   A=suspension(_, active, _, G),
        B<C,
        chr_pp_flag(occurrence_subsumption, on),
        D=pragma(rule(E, _, _, _), _, _, _, _),
        E\==[],
        \+ tree_set_memberchk(F, G)
    ->  ( setarg(2, A, removed),
          arg(3, A, H),
          (   var(H)
          ->  nb_getval('$chr_store_global_ground_chr_translate____multiple_occ_constraints_checked___1',
                        I),
              I=[_|J],
              b_setval('$chr_store_global_ground_chr_translate____multiple_occ_constraints_checked___1',
                       J),
              (   J=[K|_]
              ->  setarg(3, K, _)
              ;   true
              )
          ;   H=[_, _|J],
              setarg(2, H, J),
              (   J=[K|_]
              ->  setarg(3, K, H)
              ;   true
              )
          )
        ),
        ( arg(2, L, M),
          setarg(2, L, active),
          (   M==not_stored_yet
          ->  ( nb_getval('$chr_store_global_ground_chr_translate____prev_guard_list___6',
                          N),
                O=[L|N],
                b_setval('$chr_store_global_ground_chr_translate____prev_guard_list___6',
                         O),
                (   N=[P|_]
                ->  setarg(4, P, O)
                ;   true
                )
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____prev_guard_list___6-1',
                        Q),
              insert_ht(Q, R, L)
          ;   true
          )
        ),
        ( first_occ_in_rule(R, F, B, S),
          tree_set_add(G, F, T),
          multiple_occ_constraints_checked(T)
        ),
        (   L=suspension(_, active, _, _, _, _, _, _, _, _)
        ->  setarg(2, L, inactive),
            prev_guard_list___6__2__3__5(U,
                                         B,
                                         S,
                                         V,
                                         W,
                                         F,
                                         C,
                                         X,
                                         Y,
                                         D,
                                         Z,
                                         A1,
                                         R,
                                         B1,
                                         C1,
                                         D1,
                                         E1,
                                         F1,
                                         L)
        ;   true
        )
    ;   prev_guard_list___6__2__3__5(U,
                                     B,
                                     S,
                                     V,
                                     W,
                                     F,
                                     C,
                                     X,
                                     Y,
                                     D,
                                     Z,
                                     A1,
                                     R,
                                     B1,
                                     C1,
                                     D1,
                                     E1,
                                     F1,
                                     L)
    ).
prev_guard_list___6__2(A, B, C, D, E, F, G) :-
    prev_guard_list___6__3(A,
                           B,
                           C,
                           D,
                           E,
                           F,
                           G).
prev_guard_list___6__3(N, _, _, _, _, _, G) :-
    nb_getval('$chr_store_global_ground_chr_translate____multiple_occ_constraints_checked___1',
              A),
    member(B, A),
    B=suspension(_, active, _, _),
    !,
    setarg(2, B, removed),
    arg(3, B, C),
    (   var(C)
    ->  nb_getval('$chr_store_global_ground_chr_translate____multiple_occ_constraints_checked___1',
                  D),
        D=[_|E],
        b_setval('$chr_store_global_ground_chr_translate____multiple_occ_constraints_checked___1',
                 E),
        (   E=[F|_]
        ->  setarg(3, F, _)
        ;   true
        )
    ;   C=[_, _|E],
        setarg(2, C, E),
        (   E=[F|_]
        ->  setarg(3, F, C)
        ;   true
        )
    ),
    (   var(G)
    ->  true
    ;   arg(2, G, H),
        setarg(2, G, removed),
        (   H==not_stored_yet
        ->  true
        ;   ( arg(4, G, I),
              (   var(I)
              ->  nb_getval('$chr_store_global_ground_chr_translate____prev_guard_list___6',
                            J),
                  J=[_|K],
                  b_setval('$chr_store_global_ground_chr_translate____prev_guard_list___6',
                           K),
                  (   K=[L|_]
                  ->  setarg(4, L, _)
                  ;   true
                  )
              ;   I=[_, _|K],
                  setarg(2, I, K),
                  (   K=[L|_]
                  ->  setarg(4, L, I)
                  ;   true
                  )
              )
            ),
            nb_getval('$chr_store_multi_hash_chr_translate____prev_guard_list___6-1',
                      M),
            delete_ht(M, N, G)
        )
    ).
prev_guard_list___6__3(G, _, _, _, _, _, A) :-
    arg(2, A, B),
    setarg(2, A, active),
    (   B==not_stored_yet
    ->  ( nb_getval('$chr_store_global_ground_chr_translate____prev_guard_list___6',
                    C),
          D=[A|C],
          b_setval('$chr_store_global_ground_chr_translate____prev_guard_list___6',
                   D),
          (   C=[E|_]
          ->  setarg(4, E, D)
          ;   true
          )
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____prev_guard_list___6-1',
                  F),
        insert_ht(F, G, A)
    ;   true
    ).
simplify_guards(B) :-
    nb_getval('$chr_store_multi_hash_chr_translate____rule___2-1', A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _, _, _, E),
    !,
    E=pragma(rule(F, G, J, _), ids(K, L), _, _, B),
    append(F, G, H),
    make_head_matchings_explicit_not_negated(H, W, X),
    tree_set_empty(I),
    multiple_occ_constraints_checked(I),
    apply_guard_wrt_term(H, J, Y),
    append(K, L, M),
    findall(tuple(N, O, B)-(-B),
            ( member(P, M),
              get_occurrence_from_id(N, O, B, P)
            ),
            Q),
    empty_q(R),
    insert_list_q(Q, R, S),
    next_prev_rule(S, _, T),
    next_prev_rule(T, U, V),
    prev_guard_list(B,
                    U,
                    V,
                    W,
                    J,
                    [],
                    X,
                    [Y]),
    Z is B+1,
    simplify_guards(Z).
simplify_guards(_).
set_all_passive(A) :-
    set_all_passive___1__0(A, _).
set_all_passive___1__0(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-3', A),
    lookup_ht(A, B, E),
    !,
    C=suspension(D, not_stored_yet, t, B),
    'chr gen_id'(D),
    set_all_passive___1__0__0__1(E, B, C).
set_all_passive___1__0__0__1([], A, B) :-
    set_all_passive___1__1(A, B).
set_all_passive___1__0__0__1([A|I], C, D) :-
    (   A=suspension(_, active, _, _, _, _, B, H, _),
        B==C,
        E=t(180, D, A),
        '$novel_production'(D, E),
        '$novel_production'(A, E)
    ->  '$extend_history'(D, E),
        ( arg(2, D, F),
          setarg(2, D, active),
          (   F==not_stored_yet
          ->  nb_getval('$chr_store_multi_hash_chr_translate____set_all_passive___1-1',
                        G),
              insert_ht(G, C, D)
          ;   true
          )
        ),
        passive(C, H),
        (   D=suspension(_, active, _, _)
        ->  setarg(2, D, inactive),
            set_all_passive___1__0__0__1(I, C, D)
        ;   true
        )
    ;   set_all_passive___1__0__0__1(I, C, D)
    ).
set_all_passive___1__0(B, A) :-
    A=suspension(C, not_stored_yet, t, B),
    'chr gen_id'(C),
    set_all_passive___1__1(B, A).
set_all_passive___1__1(D, A) :-
    (   var(A)
    ->  true
    ;   arg(2, A, B),
        setarg(2, A, removed),
        (   B==not_stored_yet
        ->  true
        ;   nb_getval('$chr_store_multi_hash_chr_translate____set_all_passive___1-1',
                      C),
            delete_ht(C, D, A)
        )
    ).
precompute_head_matchings :-
    precompute_head_matchings___0__0(_).
precompute_head_matchings___0__0(A) :-
    nb_getval('$chr_store_global_ground_chr_translate____rule___2', C),
    !,
    A=suspension(B, not_stored_yet, t, _),
    'chr gen_id'(B),
    precompute_head_matchings___0__0__0__1(C, A).
precompute_head_matchings___0__0__0__1([], A) :-
    precompute_head_matchings___0__1(A).
precompute_head_matchings___0__0__0__1([A|Q], B) :-
    (   A=suspension(_, active, _, _, N, H),
        C=t(174, A, B),
        '$novel_production'(A, C),
        '$novel_production'(B, C)
    ->  '$extend_history'(B, C),
        ( arg(2, B, D),
          setarg(2, B, active),
          (   D==not_stored_yet
          ->  nb_getval('$chr_store_global_ground_chr_translate____precompute_head_matchings___0',
                        E),
              F=[B|E],
              b_setval('$chr_store_global_ground_chr_translate____precompute_head_matchings___0',
                       F),
              (   E=[G|_]
              ->  setarg(4, G, F)
              ;   true
              )
          ;   true
          )
        ),
        ( H=pragma(rule(I, J, _, _), _, _, _, _),
          append(I, J, K),
          make_head_matchings_explicit_(K, L, M),
          copy_term_nat(L-M, O-P),
          make_head_matchings_explicit_memo_table(N, O, P)
        ),
        (   B=suspension(_, active, _, _)
        ->  setarg(2, B, inactive),
            precompute_head_matchings___0__0__0__1(Q, B)
        ;   true
        )
    ;   precompute_head_matchings___0__0__0__1(Q, B)
    ).
precompute_head_matchings___0__0(A) :-
    A=suspension(B, not_stored_yet, t, _),
    'chr gen_id'(B),
    precompute_head_matchings___0__1(A).
precompute_head_matchings___0__1(A) :-
    (   var(A)
    ->  true
    ;   arg(2, A, B),
        setarg(2, A, removed),
        (   B==not_stored_yet
        ->  true
        ;   arg(4, A, C),
            (   var(C)
            ->  nb_getval('$chr_store_global_ground_chr_translate____precompute_head_matchings___0',
                          D),
                D=[_|E],
                b_setval('$chr_store_global_ground_chr_translate____precompute_head_matchings___0',
                         E),
                (   E=[F|_]
                ->  setarg(4, F, _)
                ;   true
                )
            ;   C=[_, _|E],
                setarg(2, C, E),
                (   E=[F|_]
                ->  setarg(4, F, C)
                ;   true
                )
            )
        )
    ).
make_head_matchings_explicit_memo_table(A, B, C) :-
    F=suspension(D, active, A, B, C),
    'chr gen_id'(D),
    nb_getval('$chr_store_multi_hash_chr_translate____make_head_matchings_explicit_memo_table___3-1',
              E),
    insert_ht(E, A, F).
make_head_matchings_explicit_memo_lookup(B, E, G) :-
    nb_getval('$chr_store_multi_hash_chr_translate____make_head_matchings_explicit_memo_table___3-1',
              A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _, F, H),
    !,
    E=F,
    G=H.
make_head_matchings_explicit_memo_lookup(_, _, _) :-
    fail.
first_occ_in_rule(C, B, G, _) :-
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-13',
              A),
    lookup_ht(A, k(B, C), D),
    member(E, D),
    E=suspension(_, active, _, _, _, F, _, H, _),
    F<G,
    !,
    first_occ_in_rule(C, B, F, H).
first_occ_in_rule(D, A, E, F) :-
    A=B/C,
    functor(G, B, C),
    next_occ_in_rule(D, A, E, F, [], G).
next_occ_in_rule(B, F, K, L, _, M) :-
    nb_getval('$chr_store_multi_hash_chr_translate____passive___2-1', A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _, _, G),
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-134',
              E),
    lookup_ht(E, k(F, B, G), H),
    member(I, H),
    I=suspension(_, active, _, _, _, J, _, _, _),
    J is K+1,
    !,
    next_occ_in_rule(B, F, J, L, _, M).
next_occ_in_rule(B, I, M, T, Y, U) :-
    nb_getval('$chr_store_multi_hash_chr_translate____prev_guard_list___6-1',
              A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _, _, _, S, O, Z, V, _),
    nb_getval('$chr_store_multi_hash_chr_translate____rule___2-1', E),
    lookup_ht(E, B, F),
    member(G, F),
    G=suspension(_, active, _, _, _, N),
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-13',
              H),
    lookup_ht(H, k(I, B), J),
    member(K, J),
    K=suspension(_, active, _, _, _, L, _, X, _),
    L is M+1,
    N=pragma(rule(P, Q, O, _), ids(_, _), _, _, B),
    !,
    append(P, Q, R),
    add_failing_occ(N,
                    R,
                    S,
                    T,
                    W,
                    U,
                    V,
                    I,
                    B1),
    (   W==[chr_pp_void_info]
    ->  next_occ_in_rule(B, I, L, X, Y, U)
    ;   append(W, Y, F1),
        add_failing_occ(N,
                        R,
                        S,
                        X,
                        N1,
                        U,
                        V,
                        I,
                        C1),
        copy_term(Z, A1),
        variable_replacement(Z, A1, E1),
        copy_with_variable_replacement(Z, G1, B1),
        copy_with_variable_replacement(Z, D1, C1),
        copy_with_variable_replacement(D1, I1, E1),
        append(F1, G1, H1),
        append(H1, I1, K1),
        copy_with_variable_replacement(V, L1, B1),
        copy_with_variable_replacement(V, J1, C1),
        append(J1, K1, M1),
        append([chr_pp_active_constraint(U)|L1],
               M1,
               O1),
        list2conj(N1, P1),
        copy_term((F1, K1, O1, P1, U),
                  (_, _, Q1, R1, _)),
        (   P1\=chr_pp_void_info
        ->  (   guard_entailment:entails_guard(Q1, R1)
            ->  passive(B, X)
            ;   true
            )
        ;   true
        ),
        !,
        next_occ_in_rule(B, I, L, X, F1, U)
    ).
next_occ_in_rule(_, _, _, _, _, _).
multiple_occ_constraints_checked(R) :-
    ( nb_getval('$chr_store_global_ground_chr_translate____prev_guard_list___6',
                A),
      member(B, A),
      B=suspension(_, active, _, _, D, _, _, _, _, _)
    ),
    (   nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-3',
                  C),
        lookup_ht(C, D, E),
        member(F, E),
        F=suspension(_, active, _, _, K, O, _, _, _),
        nb_getval('$chr_store_multi_hash_chr_translate____rule___2-1', G),
        lookup_ht(G, D, H),
        member(I, H),
        I=suspension(_, active, _, _, _, P),
        nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-13',
                  J),
        lookup_ht(J, k(K, D), L),
        member(M, L),
        M=suspension(_, active, _, _, _, N, _, S, _),
        M\==F,
        N<O,
        chr_pp_flag(occurrence_subsumption, on),
        P=pragma(rule(Q, _, _, _), _, _, _, _),
        Q\==[],
        \+ tree_set_memberchk(K, R),
        !,
        first_occ_in_rule(D, K, N, S),
        tree_set_add(R, K, T),
        multiple_occ_constraints_checked(T)
    ;   !,
        setarg(2, B, removed),
        arg(4, B, U),
        (   var(U)
        ->  nb_getval('$chr_store_global_ground_chr_translate____prev_guard_list___6',
                      V),
            V=[_|W],
            b_setval('$chr_store_global_ground_chr_translate____prev_guard_list___6',
                     W),
            (   W=[X|_]
            ->  setarg(4, X, _)
            ;   true
            )
        ;   U=[_, _|W],
            setarg(2, U, W),
            (   W=[X|_]
            ->  setarg(4, X, U)
            ;   true
            )
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____prev_guard_list___6-1',
                  Y),
        delete_ht(Y, D, B)
    ).
multiple_occ_constraints_checked(A) :-
    C=suspension(B, active, _, A),
    'chr gen_id'(B),
    nb_getval('$chr_store_global_ground_chr_translate____multiple_occ_constraints_checked___1',
              D),
    E=[C|D],
    b_setval('$chr_store_global_ground_chr_translate____multiple_occ_constraints_checked___1',
             E),
    (   D=[F|_]
    ->  setarg(3, F, E)
    ;   true
    ).
type_definition(A, B) :-
    type_definition___2__0(A, B, _).
type_definition___2__0(C, _, N) :-
    ( nb_getval('$chr_store_global_list_chr_translate____type_definition___2',
                A),
      member(B, A),
      B=suspension(_, active, _, _, _, D, _)
    ),
    (   functor(C, E, F),
        functor(D, E, F),
        !,
        B=suspension(_, _, _, _, _, G, H),
        setarg(2, B, removed),
        term_variables(term(G, H), M),
        arg(5, B, I),
        (   var(I)
        ->  nb_getval('$chr_store_global_list_chr_translate____type_definition___2',
                      J),
            J=[_|K],
            b_setval('$chr_store_global_list_chr_translate____type_definition___2',
                     K),
            (   K=[L|_]
            ->  setarg(5, L, _)
            ;   true
            )
        ;   I=[_, _|K],
            setarg(2, I, K),
            (   K=[L|_]
            ->  setarg(5, L, I)
            ;   true
            )
        ),
        detach_type_definition___2(M, B),
        (   var(N)
        ->  true
        ;   N=suspension(_, O, _, _, _, P, Q),
            setarg(2, N, removed),
            (   O==not_stored_yet
            ->  R=[]
            ;   term_variables(term(P, Q), R),
                ( arg(5, N, S),
                  (   var(S)
                  ->  nb_getval('$chr_store_global_list_chr_translate____type_definition___2',
                                T),
                      T=[_|U],
                      b_setval('$chr_store_global_list_chr_translate____type_definition___2',
                               U),
                      (   U=[V|_]
                      ->  setarg(5, V, _)
                      ;   true
                      )
                  ;   S=[_, _|U],
                      setarg(2, S, U),
                      (   U=[V|_]
                      ->  setarg(5, V, S)
                      ;   true
                      )
                  )
                ),
                detach_type_definition___2(R, N)
            )
        ),
        chr_error(type_error,
                  'Multiple definitions for type: ~w/~w.\n',
                  [E, F])
    ;   functor(D, W, X),
        functor(C, W, X),
        !,
        B=suspension(_, _, _, _, _, Y, Z),
        setarg(2, B, removed),
        term_variables(term(Y, Z), E1),
        arg(5, B, A1),
        (   var(A1)
        ->  nb_getval('$chr_store_global_list_chr_translate____type_definition___2',
                      B1),
            B1=[_|C1],
            b_setval('$chr_store_global_list_chr_translate____type_definition___2',
                     C1),
            (   C1=[D1|_]
            ->  setarg(5, D1, _)
            ;   true
            )
        ;   A1=[_, _|C1],
            setarg(2, A1, C1),
            (   C1=[D1|_]
            ->  setarg(5, D1, A1)
            ;   true
            )
        ),
        detach_type_definition___2(E1, B),
        (   var(N)
        ->  true
        ;   N=suspension(_, F1, _, _, _, G1, H1),
            setarg(2, N, removed),
            (   F1==not_stored_yet
            ->  I1=[]
            ;   term_variables(term(G1, H1), I1),
                ( arg(5, N, J1),
                  (   var(J1)
                  ->  nb_getval('$chr_store_global_list_chr_translate____type_definition___2',
                                K1),
                      K1=[_|L1],
                      b_setval('$chr_store_global_list_chr_translate____type_definition___2',
                               L1),
                      (   L1=[M1|_]
                      ->  setarg(5, M1, _)
                      ;   true
                      )
                  ;   J1=[_, _|L1],
                      setarg(2, J1, L1),
                      (   L1=[M1|_]
                      ->  setarg(5, M1, J1)
                      ;   true
                      )
                  )
                ),
                detach_type_definition___2(I1, N)
            )
        ),
        chr_error(type_error,
                  'Multiple definitions for type: ~w/~w.\n',
                  [W, X])
    ).
type_definition___2__0(C, _, N) :-
    nb_getval('$chr_store_global_list_chr_translate____type_alias___2', A),
    member(B, A),
    B=suspension(_, active, _, _, _, D, _),
    functor(C, E, F),
    functor(D, E, F),
    !,
    B=suspension(_, _, _, _, _, G, H),
    setarg(2, B, removed),
    term_variables(term(G, H), M),
    arg(5, B, I),
    (   var(I)
    ->  nb_getval('$chr_store_global_list_chr_translate____type_alias___2',
                  J),
        J=[_|K],
        b_setval('$chr_store_global_list_chr_translate____type_alias___2',
                 K),
        (   K=[L|_]
        ->  setarg(5, L, _)
        ;   true
        )
    ;   I=[_, _|K],
        setarg(2, I, K),
        (   K=[L|_]
        ->  setarg(5, L, I)
        ;   true
        )
    ),
    detach_type_alias___2(M, B),
    (   var(N)
    ->  true
    ;   N=suspension(_, O, _, _, _, P, Q),
        setarg(2, N, removed),
        (   O==not_stored_yet
        ->  R=[]
        ;   term_variables(term(P, Q), R),
            ( arg(5, N, S),
              (   var(S)
              ->  nb_getval('$chr_store_global_list_chr_translate____type_definition___2',
                            T),
                  T=[_|U],
                  b_setval('$chr_store_global_list_chr_translate____type_definition___2',
                           U),
                  (   U=[V|_]
                  ->  setarg(5, V, _)
                  ;   true
                  )
              ;   S=[_, _|U],
                  setarg(2, S, U),
                  (   U=[V|_]
                  ->  setarg(5, V, S)
                  ;   true
                  )
              )
            ),
            detach_type_definition___2(R, N)
        )
    ),
    chr_error(type_error,
              'Multiple definitions for type, once in a type definition and once as a type alias: ~w/~w.\n',
              [E, F]).
type_definition___2__0(B, C, A) :-
    nb_getval('$chr_store_global_list_chr_translate____unalias_type___2',
              E),
    !,
    (   var(A)
    ->  A=suspension(D, not_stored_yet, t, 0, _, B, C),
        'chr gen_id'(D)
    ;   true
    ),
    type_definition___2__0__0__5(E, B, C, A).
type_definition___2__0__0__5([], A, B, C) :-
    type_definition___2__1(A, B, C).
type_definition___2__0__0__5([A|W], B, X, L) :-
    (   A=suspension(_, active, _, C, V),
        nonvar(B),
        functor(B, D, E),
        functor(C, D, E)
    ->  ( A=suspension(_, _, _, F, _),
          setarg(2, A, removed),
          term_variables(F, K),
          ( arg(3, A, G),
            (   var(G)
            ->  nb_getval('$chr_store_global_list_chr_translate____unalias_type___2',
                          H),
                H=[_|I],
                b_setval('$chr_store_global_list_chr_translate____unalias_type___2',
                         I),
                (   I=[J|_]
                ->  setarg(3, J, _)
                ;   true
                )
            ;   G=[_, _|I],
                setarg(2, G, I),
                (   I=[J|_]
                ->  setarg(3, J, G)
                ;   true
                )
            )
          ),
          detach_unalias_type___2(K, A)
        ),
        ( arg(2, L, O),
          setarg(2, L, active),
          ( arg(4, L, M),
            N is M+1,
            setarg(4, L, N)
          ),
          (   O==not_stored_yet
          ->  L=suspension(_, _, _, _, _, P, Q),
              term_variables(term(P, Q), U),
              ( nb_getval('$chr_store_global_list_chr_translate____type_definition___2',
                          R),
                S=[L|R],
                b_setval('$chr_store_global_list_chr_translate____type_definition___2',
                         S),
                (   R=[T|_]
                ->  setarg(5, T, S)
                ;   true
                )
              ),
              attach_type_definition___2(U, L)
          ;   true
          )
        ),
        V=C,
        (   L=suspension(_, active, _, N, _, _, _)
        ->  setarg(2, L, inactive),
            type_definition___2__0__0__5(W, B, X, L)
        ;   true
        )
    ;   type_definition___2__0__0__5(W, B, X, L)
    ).
type_definition___2__0(B, C, A) :-
    (   var(A)
    ->  A=suspension(D, not_stored_yet, t, 0, _, B, C),
        'chr gen_id'(D)
    ;   true
    ),
    type_definition___2__1(B, C, A).
type_definition___2__1(B, C, D) :-
    nb_getval('$chr_store_global_ground_chr_translate____dynamic_type_check___0',
              A),
    !,
    type_definition___2__1__0__7(A, B, C, D).
type_definition___2__1__0__7([], A, B, C) :-
    type_definition___2__2(A, B, C).
type_definition___2__1__0__7([A|R], M, N, B) :-
    (   A=suspension(_, active, _, _),
        C=t(235, B, A),
        '$novel_production'(B, C),
        '$novel_production'(A, C)
    ->  '$extend_history'(B, C),
        ( arg(2, B, F),
          setarg(2, B, active),
          ( arg(4, B, D),
            E is D+1,
            setarg(4, B, E)
          ),
          (   F==not_stored_yet
          ->  B=suspension(_, _, _, _, _, G, H),
              term_variables(term(G, H), L),
              ( nb_getval('$chr_store_global_list_chr_translate____type_definition___2',
                          I),
                J=[B|I],
                b_setval('$chr_store_global_list_chr_translate____type_definition___2',
                         J),
                (   I=[K|_]
                ->  setarg(5, K, J)
                ;   true
                )
              ),
              attach_type_definition___2(L, B)
          ;   true
          )
        ),
        ( copy_term_nat(M-N, O-P),
          maplist(dynamic_type_check_clause(O), P, Q),
          dynamic_type_check_clauses(Q)
        ),
        (   B=suspension(_, active, _, E, _, _, _)
        ->  setarg(2, B, inactive),
            type_definition___2__1__0__7(R, M, N, B)
        ;   true
        )
    ;   type_definition___2__1__0__7(R, M, N, B)
    ).
type_definition___2__1(A, B, C) :-
    type_definition___2__2(A, B, C).
type_definition___2__2(B, C, D) :-
    nb_getval('$chr_store_global_list_chr_translate____atomic_type___1', A),
    !,
    type_definition___2__2__0__8(A, B, C, D).
type_definition___2__2__0__8([], A, B, C) :-
    type_definition___2__3(A, B, C).
type_definition___2__2__0__8([A|W], C, V, L) :-
    (   A=suspension(_, active, _, B),
        functor(B, D, E),
        functor(C, D, E)
    ->  ( A=suspension(_, _, _, F),
          setarg(2, A, removed),
          term_variables(F, K),
          ( arg(3, A, G),
            (   var(G)
            ->  nb_getval('$chr_store_global_list_chr_translate____atomic_type___1',
                          H),
                H=[_|I],
                b_setval('$chr_store_global_list_chr_translate____atomic_type___1',
                         I),
                (   I=[J|_]
                ->  setarg(3, J, _)
                ;   true
                )
            ;   G=[_, _|I],
                setarg(2, G, I),
                (   I=[J|_]
                ->  setarg(3, J, G)
                ;   true
                )
            )
          ),
          detach_atomic_type___1(K, A)
        ),
        ( arg(2, L, O),
          setarg(2, L, active),
          ( arg(4, L, M),
            N is M+1,
            setarg(4, L, N)
          ),
          (   O==not_stored_yet
          ->  L=suspension(_, _, _, _, _, P, Q),
              term_variables(term(P, Q), U),
              ( nb_getval('$chr_store_global_list_chr_translate____type_definition___2',
                          R),
                S=[L|R],
                b_setval('$chr_store_global_list_chr_translate____type_definition___2',
                         S),
                (   R=[T|_]
                ->  setarg(5, T, S)
                ;   true
                )
              ),
              attach_type_definition___2(U, L)
          ;   true
          )
        ),
        maplist(atomic, V),
        (   L=suspension(_, active, _, N, _, _, _)
        ->  setarg(2, L, inactive),
            type_definition___2__2__0__8(W, C, V, L)
        ;   true
        )
    ;   type_definition___2__2__0__8(W, C, V, L)
    ).
type_definition___2__2(A, B, C) :-
    type_definition___2__3(A, B, C).
type_definition___2__3(_, _, A) :-
    arg(2, A, D),
    setarg(2, A, active),
    arg(4, A, B),
    C is B+1,
    setarg(4, A, C),
    (   D==not_stored_yet
    ->  A=suspension(_, _, _, _, _, E, F),
        term_variables(term(E, F), J),
        ( nb_getval('$chr_store_global_list_chr_translate____type_definition___2',
                    G),
          H=[A|G],
          b_setval('$chr_store_global_list_chr_translate____type_definition___2',
                   H),
          (   G=[I|_]
          ->  setarg(5, I, H)
          ;   true
          )
        ),
        attach_type_definition___2(J, A)
    ;   true
    ).
type_alias(A, B) :-
    type_alias___2__0(A, B, _).
type_alias___2__0(A, K, B) :-
    var(A),
    !,
    (   var(B)
    ->  true
    ;   B=suspension(_, C, _, _, _, D, E),
        setarg(2, B, removed),
        (   C==not_stored_yet
        ->  F=[]
        ;   term_variables(term(D, E), F),
            ( arg(5, B, G),
              (   var(G)
              ->  nb_getval('$chr_store_global_list_chr_translate____type_alias___2',
                            H),
                  H=[_|I],
                  b_setval('$chr_store_global_list_chr_translate____type_alias___2',
                           I),
                  (   I=[J|_]
                  ->  setarg(5, J, _)
                  ;   true
                  )
              ;   G=[_, _|I],
                  setarg(2, G, I),
                  (   I=[J|_]
                  ->  setarg(5, J, G)
                  ;   true
                  )
              )
            ),
            detach_type_alias___2(F, B)
        )
    ),
    chr_error(type_error,
              'Variable alias definition: "~w".\n',
              [(:-chr_type A==K)]).
type_alias___2__0(K, A, B) :-
    var(A),
    !,
    (   var(B)
    ->  true
    ;   B=suspension(_, C, _, _, _, D, E),
        setarg(2, B, removed),
        (   C==not_stored_yet
        ->  F=[]
        ;   term_variables(term(D, E), F),
            ( arg(5, B, G),
              (   var(G)
              ->  nb_getval('$chr_store_global_list_chr_translate____type_alias___2',
                            H),
                  H=[_|I],
                  b_setval('$chr_store_global_list_chr_translate____type_alias___2',
                           I),
                  (   I=[J|_]
                  ->  setarg(5, J, _)
                  ;   true
                  )
              ;   G=[_, _|I],
                  setarg(2, G, I),
                  (   I=[J|_]
                  ->  setarg(5, J, G)
                  ;   true
                  )
              )
            ),
            detach_type_alias___2(F, B)
        )
    ),
    chr_error(type_error,
              'Variable alias definition: "~w".\n',
              [(:-chr_type K==A)]).
type_alias___2__0(A, B, C) :-
    subsumes_term(A, B),
    !,
    (   var(C)
    ->  true
    ;   C=suspension(_, D, _, _, _, E, F),
        setarg(2, C, removed),
        (   D==not_stored_yet
        ->  G=[]
        ;   term_variables(term(E, F), G),
            ( arg(5, C, H),
              (   var(H)
              ->  nb_getval('$chr_store_global_list_chr_translate____type_alias___2',
                            I),
                  I=[_|J],
                  b_setval('$chr_store_global_list_chr_translate____type_alias___2',
                           J),
                  (   J=[K|_]
                  ->  setarg(5, K, _)
                  ;   true
                  )
              ;   H=[_, _|J],
                  setarg(2, H, J),
                  (   J=[K|_]
                  ->  setarg(5, K, H)
                  ;   true
                  )
              )
            ),
            detach_type_alias___2(G, C)
        )
    ),
    chr_error(type_error, 'Cyclic alias definition: "~w".\n', [A==B]).
type_alias___2__0(C, Y, N) :-
    nb_getval('$chr_store_global_list_chr_translate____type_alias___2', A),
    (   member(B, A),
        B=suspension(_, active, _, _, _, D, Z),
        (   (   functor(C, E, F),
                functor(D, E, F),
                \+ C\=D,
                !,
                B=suspension(_, _, _, _, _, G, H),
                setarg(2, B, removed),
                term_variables(term(G, H), M),
                arg(5, B, I),
                (   var(I)
                ->  nb_getval('$chr_store_global_list_chr_translate____type_alias___2',
                              J),
                    J=[_|K],
                    b_setval('$chr_store_global_list_chr_translate____type_alias___2',
                             K),
                    (   K=[L|_]
                    ->  setarg(5, L, _)
                    ;   true
                    )
                ;   I=[_, _|K],
                    setarg(2, I, K),
                    (   K=[L|_]
                    ->  setarg(5, L, I)
                    ;   true
                    )
                ),
                detach_type_alias___2(M, B),
                (   var(N)
                ->  true
                ;   N=suspension(_, O, _, _, _, P, Q),
                    setarg(2, N, removed),
                    (   O==not_stored_yet
                    ->  R=[]
                    ;   term_variables(term(P, Q), R),
                        ( arg(5, N, S),
                          (   var(S)
                          ->  nb_getval('$chr_store_global_list_chr_translate____type_alias___2',
                                        T),
                              T=[_|U],
                              b_setval('$chr_store_global_list_chr_translate____type_alias___2',
                                       U),
                              (   U=[V|_]
                              ->  setarg(5, V, _)
                              ;   true
                              )
                          ;   S=[_, _|U],
                              setarg(2, S, U),
                              (   U=[V|_]
                              ->  setarg(5, V, S)
                              ;   true
                              )
                          )
                        ),
                        detach_type_alias___2(R, N)
                    )
                ),
                copy_term_nat(C, W),
                copy_term_nat(D, X),
                W=X,
                chr_error(type_error,
                          'Ambiguous type aliases: you have defined \n\t`~w\'\n\t`~w\'\n\tresulting in two definitions for "~w".\n',
                          [C==Y, D==Z, W])
            ;   functor(D, A1, B1),
                functor(C, A1, B1),
                \+ D\=C,
                !,
                B=suspension(_, _, _, _, _, C1, D1),
                setarg(2, B, removed),
                term_variables(term(C1, D1), I1),
                arg(5, B, E1),
                (   var(E1)
                ->  nb_getval('$chr_store_global_list_chr_translate____type_alias___2',
                              F1),
                    F1=[_|G1],
                    b_setval('$chr_store_global_list_chr_translate____type_alias___2',
                             G1),
                    (   G1=[H1|_]
                    ->  setarg(5, H1, _)
                    ;   true
                    )
                ;   E1=[_, _|G1],
                    setarg(2, E1, G1),
                    (   G1=[H1|_]
                    ->  setarg(5, H1, E1)
                    ;   true
                    )
                ),
                detach_type_alias___2(I1, B),
                (   var(N)
                ->  true
                ;   N=suspension(_, J1, _, _, _, K1, L1),
                    setarg(2, N, removed),
                    (   J1==not_stored_yet
                    ->  M1=[]
                    ;   term_variables(term(K1, L1), M1),
                        ( arg(5, N, N1),
                          (   var(N1)
                          ->  nb_getval('$chr_store_global_list_chr_translate____type_alias___2',
                                        O1),
                              O1=[_|P1],
                              b_setval('$chr_store_global_list_chr_translate____type_alias___2',
                                       P1),
                              (   P1=[Q1|_]
                              ->  setarg(5, Q1, _)
                              ;   true
                              )
                          ;   N1=[_, _|P1],
                              setarg(2, N1, P1),
                              (   P1=[Q1|_]
                              ->  setarg(5, Q1, N1)
                              ;   true
                              )
                          )
                        ),
                        detach_type_alias___2(M1, N)
                    )
                ),
                copy_term_nat(D, R1),
                copy_term_nat(C, S1),
                R1=S1,
                chr_error(type_error,
                          'Ambiguous type aliases: you have defined \n\t`~w\'\n\t`~w\'\n\tresulting in two definitions for "~w".\n',
                          [D==Z, C==Y, R1])
            )
        ;   functor(D, T1, U1),
            functor(Y, T1, U1),
            copy_term_nat((C, Y, D, Z),
                          (F2, W1, V1, G2)),
            subsumes_term(V1, W1),
            !,
            (   var(N)
            ->  true
            ;   N=suspension(_, X1, _, _, _, Y1, Z1),
                setarg(2, N, removed),
                (   X1==not_stored_yet
                ->  A2=[]
                ;   term_variables(term(Y1, Z1), A2),
                    ( arg(5, N, B2),
                      (   var(B2)
                      ->  nb_getval('$chr_store_global_list_chr_translate____type_alias___2',
                                    C2),
                          C2=[_|D2],
                          b_setval('$chr_store_global_list_chr_translate____type_alias___2',
                                   D2),
                          (   D2=[E2|_]
                          ->  setarg(5, E2, _)
                          ;   true
                          )
                      ;   B2=[_, _|D2],
                          setarg(2, B2, D2),
                          (   D2=[E2|_]
                          ->  setarg(5, E2, B2)
                          ;   true
                          )
                      )
                    ),
                    detach_type_alias___2(A2, N)
                )
            ),
            type_alias(F2, G2)
        )
    ;   !,
        (   var(N)
        ->  N=suspension(H2, not_stored_yet, t, 0, _, C, Y),
            'chr gen_id'(H2)
        ;   true
        ),
        type_alias___2__0__0__7(A, C, Y, N)
    ).
type_alias___2__0__0__7([], A, B, C) :-
    type_alias___2__1(A, B, C).
type_alias___2__0__0__7([A|C1], B, G, Q) :-
    (   A=suspension(_, active, _, _, _, F, C),
        functor(B, D, E),
        functor(C, D, E),
        copy_term_nat((F, C, B, G),
                      (A1, I, H, B1)),
        subsumes_term(H, I)
    ->  ( A=suspension(_, _, _, _, _, J, K),
          setarg(2, A, removed),
          term_variables(term(J, K), P),
          ( arg(5, A, L),
            (   var(L)
            ->  nb_getval('$chr_store_global_list_chr_translate____type_alias___2',
                          M),
                M=[_|N],
                b_setval('$chr_store_global_list_chr_translate____type_alias___2',
                         N),
                (   N=[O|_]
                ->  setarg(5, O, _)
                ;   true
                )
            ;   L=[_, _|N],
                setarg(2, L, N),
                (   N=[O|_]
                ->  setarg(5, O, L)
                ;   true
                )
            )
          ),
          detach_type_alias___2(P, A)
        ),
        ( arg(2, Q, T),
          setarg(2, Q, active),
          ( arg(4, Q, R),
            S is R+1,
            setarg(4, Q, S)
          ),
          (   T==not_stored_yet
          ->  Q=suspension(_, _, _, _, _, U, V),
              term_variables(term(U, V), Z),
              ( nb_getval('$chr_store_global_list_chr_translate____type_alias___2',
                          W),
                X=[Q|W],
                b_setval('$chr_store_global_list_chr_translate____type_alias___2',
                         X),
                (   W=[Y|_]
                ->  setarg(5, Y, X)
                ;   true
                )
              ),
              attach_type_alias___2(Z, Q)
          ;   true
          )
        ),
        type_alias(A1, B1),
        (   Q=suspension(_, active, _, S, _, _, _)
        ->  setarg(2, Q, inactive),
            type_alias___2__0__0__7(C1, B, G, Q)
        ;   true
        )
    ;   type_alias___2__0__0__7(C1, B, G, Q)
    ).
type_alias___2__0(B, C, A) :-
    (   var(A)
    ->  A=suspension(D, not_stored_yet, t, 0, _, B, C),
        'chr gen_id'(D)
    ;   true
    ),
    type_alias___2__1(B, C, A).
type_alias___2__1(D, _, N) :-
    nb_getval('$chr_store_global_list_chr_translate____type_definition___2',
              A),
    member(B, A),
    B=suspension(_, active, _, _, _, C, _),
    functor(C, E, F),
    functor(D, E, F),
    !,
    B=suspension(_, _, _, _, _, G, H),
    setarg(2, B, removed),
    term_variables(term(G, H), M),
    arg(5, B, I),
    (   var(I)
    ->  nb_getval('$chr_store_global_list_chr_translate____type_definition___2',
                  J),
        J=[_|K],
        b_setval('$chr_store_global_list_chr_translate____type_definition___2',
                 K),
        (   K=[L|_]
        ->  setarg(5, L, _)
        ;   true
        )
    ;   I=[_, _|K],
        setarg(2, I, K),
        (   K=[L|_]
        ->  setarg(5, L, I)
        ;   true
        )
    ),
    detach_type_definition___2(M, B),
    (   var(N)
    ->  true
    ;   N=suspension(_, O, _, _, _, P, Q),
        setarg(2, N, removed),
        (   O==not_stored_yet
        ->  R=[]
        ;   term_variables(term(P, Q), R),
            ( arg(5, N, S),
              (   var(S)
              ->  nb_getval('$chr_store_global_list_chr_translate____type_alias___2',
                            T),
                  T=[_|U],
                  b_setval('$chr_store_global_list_chr_translate____type_alias___2',
                           U),
                  (   U=[V|_]
                  ->  setarg(5, V, _)
                  ;   true
                  )
              ;   S=[_, _|U],
                  setarg(2, S, U),
                  (   U=[V|_]
                  ->  setarg(5, V, S)
                  ;   true
                  )
              )
            ),
            detach_type_alias___2(R, N)
        )
    ),
    chr_error(type_error,
              'Multiple definitions for type, once in a type definition and once as a type alias: ~w/~w.\n',
              [E, F]).
type_alias___2__1(B, C, D) :-
    nb_getval('$chr_store_global_list_chr_translate____unalias_type___2',
              A),
    !,
    type_alias___2__1__0__10(A, B, C, D).
type_alias___2__1__0__10([], A, B, C) :-
    type_alias___2__2(A, B, C).
type_alias___2__1__0__10([A|Z], B, F, N) :-
    (   A=suspension(_, active, _, C, Y),
        functor(B, D, E),
        functor(C, D, E),
        copy_term_nat((B, F),  (G, X)),
        C=G
    ->  ( A=suspension(_, _, _, H, _),
          setarg(2, A, removed),
          term_variables(H, M),
          ( arg(3, A, I),
            (   var(I)
            ->  nb_getval('$chr_store_global_list_chr_translate____unalias_type___2',
                          J),
                J=[_|K],
                b_setval('$chr_store_global_list_chr_translate____unalias_type___2',
                         K),
                (   K=[L|_]
                ->  setarg(3, L, _)
                ;   true
                )
            ;   I=[_, _|K],
                setarg(2, I, K),
                (   K=[L|_]
                ->  setarg(3, L, I)
                ;   true
                )
            )
          ),
          detach_unalias_type___2(M, A)
        ),
        ( arg(2, N, Q),
          setarg(2, N, active),
          ( arg(4, N, O),
            P is O+1,
            setarg(4, N, P)
          ),
          (   Q==not_stored_yet
          ->  N=suspension(_, _, _, _, _, R, S),
              term_variables(term(R, S), W),
              ( nb_getval('$chr_store_global_list_chr_translate____type_alias___2',
                          T),
                U=[N|T],
                b_setval('$chr_store_global_list_chr_translate____type_alias___2',
                         U),
                (   T=[V|_]
                ->  setarg(5, V, U)
                ;   true
                )
              ),
              attach_type_alias___2(W, N)
          ;   true
          )
        ),
        unalias_type(X, Y),
        (   N=suspension(_, active, _, P, _, _, _)
        ->  setarg(2, N, inactive),
            type_alias___2__1__0__10(Z, B, F, N)
        ;   true
        )
    ;   type_alias___2__1__0__10(Z, B, F, N)
    ).
type_alias___2__1(A, B, C) :-
    type_alias___2__2(A, B, C).
type_alias___2__2(B, C, D) :-
    nb_getval('$chr_store_global_list_chr_translate____ast_static_type_check_var___4',
              A),
    !,
    type_alias___2__2__0__12(A, B, C, D).
type_alias___2__2__0__12([], A, B, C) :-
    type_alias___2__3(A, B, C).
type_alias___2__2__0__12([A|A1], B, V, L) :-
    (   A=suspension(_, active, _, W, X, C, Z),
        functor(B, D, E),
        functor(C, D, E)
    ->  ( A=suspension(_, _, _, _, _, F, _),
          setarg(2, A, removed),
          term_variables(F, K),
          ( arg(3, A, G),
            (   var(G)
            ->  nb_getval('$chr_store_global_list_chr_translate____ast_static_type_check_var___4',
                          H),
                H=[_|I],
                b_setval('$chr_store_global_list_chr_translate____ast_static_type_check_var___4',
                         I),
                (   I=[J|_]
                ->  setarg(3, J, _)
                ;   true
                )
            ;   G=[_, _|I],
                setarg(2, G, I),
                (   I=[J|_]
                ->  setarg(3, J, G)
                ;   true
                )
            )
          ),
          detach_ast_static_type_check_var___4(K, A)
        ),
        ( arg(2, L, O),
          setarg(2, L, active),
          ( arg(4, L, M),
            N is M+1,
            setarg(4, L, N)
          ),
          (   O==not_stored_yet
          ->  L=suspension(_, _, _, _, _, P, Q),
              term_variables(term(P, Q), U),
              ( nb_getval('$chr_store_global_list_chr_translate____type_alias___2',
                          R),
                S=[L|R],
                b_setval('$chr_store_global_list_chr_translate____type_alias___2',
                         S),
                (   R=[T|_]
                ->  setarg(5, T, S)
                ;   true
                )
              ),
              attach_type_alias___2(U, L)
          ;   true
          )
        ),
        ( copy_term_nat(B-V, C-Y),
          ast_static_type_check_var(W, X, Y, Z)
        ),
        (   L=suspension(_, active, _, N, _, _, _)
        ->  setarg(2, L, inactive),
            type_alias___2__2__0__12(A1, B, V, L)
        ;   true
        )
    ;   type_alias___2__2__0__12(A1, B, V, L)
    ).
type_alias___2__2(A, B, C) :-
    type_alias___2__3(A, B, C).
type_alias___2__3(B, C, D) :-
    nb_getval('$chr_store_global_ground_chr_translate____dynamic_type_check___0',
              A),
    !,
    type_alias___2__3__0__13(A, B, C, D).
type_alias___2__3__0__13([], A, B, C) :-
    type_alias___2__4(A, B, C).
type_alias___2__3__0__13([A|R], M, N, B) :-
    (   A=suspension(_, active, _, _),
        C=t(236, B, A),
        '$novel_production'(B, C),
        '$novel_production'(A, C)
    ->  '$extend_history'(B, C),
        ( arg(2, B, F),
          setarg(2, B, active),
          ( arg(4, B, D),
            E is D+1,
            setarg(4, B, E)
          ),
          (   F==not_stored_yet
          ->  B=suspension(_, _, _, _, _, G, H),
              term_variables(term(G, H), L),
              ( nb_getval('$chr_store_global_list_chr_translate____type_alias___2',
                          I),
                J=[B|I],
                b_setval('$chr_store_global_list_chr_translate____type_alias___2',
                         J),
                (   I=[K|_]
                ->  setarg(5, K, J)
                ;   true
                )
              ),
              attach_type_alias___2(L, B)
          ;   true
          )
        ),
        ( copy_term_nat(M-N, O-P),
          dynamic_type_check_alias_clause(O, P, Q),
          dynamic_type_check_clauses([Q])
        ),
        (   B=suspension(_, active, _, E, _, _, _)
        ->  setarg(2, B, inactive),
            type_alias___2__3__0__13(R, M, N, B)
        ;   true
        )
    ;   type_alias___2__3__0__13(R, M, N, B)
    ).
type_alias___2__3(A, B, C) :-
    type_alias___2__4(A, B, C).
type_alias___2__4(B, C, D) :-
    nb_getval('$chr_store_global_list_chr_translate____atomic_type___1', A),
    !,
    type_alias___2__4__0__14(A, B, C, D).
type_alias___2__4__0__14([], A, B, C) :-
    type_alias___2__5(A, B, C).
type_alias___2__4__0__14([A|X], C, V, L) :-
    (   A=suspension(_, active, _, B),
        functor(B, D, E),
        functor(C, D, E)
    ->  ( A=suspension(_, _, _, F),
          setarg(2, A, removed),
          term_variables(F, K),
          ( arg(3, A, G),
            (   var(G)
            ->  nb_getval('$chr_store_global_list_chr_translate____atomic_type___1',
                          H),
                H=[_|I],
                b_setval('$chr_store_global_list_chr_translate____atomic_type___1',
                         I),
                (   I=[J|_]
                ->  setarg(3, J, _)
                ;   true
                )
            ;   G=[_, _|I],
                setarg(2, G, I),
                (   I=[J|_]
                ->  setarg(3, J, G)
                ;   true
                )
            )
          ),
          detach_atomic_type___1(K, A)
        ),
        ( arg(2, L, O),
          setarg(2, L, active),
          ( arg(4, L, M),
            N is M+1,
            setarg(4, L, N)
          ),
          (   O==not_stored_yet
          ->  L=suspension(_, _, _, _, _, P, Q),
              term_variables(term(P, Q), U),
              ( nb_getval('$chr_store_global_list_chr_translate____type_alias___2',
                          R),
                S=[L|R],
                b_setval('$chr_store_global_list_chr_translate____type_alias___2',
                         S),
                (   R=[T|_]
                ->  setarg(5, T, S)
                ;   true
                )
              ),
              attach_type_alias___2(U, L)
          ;   true
          )
        ),
        ( atomic(V),
          copy_term_nat(C-V, B-W),
          atomic_type(W)
        ),
        (   L=suspension(_, active, _, N, _, _, _)
        ->  setarg(2, L, inactive),
            type_alias___2__4__0__14(X, C, V, L)
        ;   true
        )
    ;   type_alias___2__4__0__14(X, C, V, L)
    ).
type_alias___2__4(A, B, C) :-
    type_alias___2__5(A, B, C).
type_alias___2__5(_, _, A) :-
    arg(2, A, D),
    setarg(2, A, active),
    arg(4, A, B),
    C is B+1,
    setarg(4, A, C),
    (   D==not_stored_yet
    ->  A=suspension(_, _, _, _, _, E, F),
        term_variables(term(E, F), J),
        ( nb_getval('$chr_store_global_list_chr_translate____type_alias___2',
                    G),
          H=[A|G],
          b_setval('$chr_store_global_list_chr_translate____type_alias___2',
                   H),
          (   G=[I|_]
          ->  setarg(5, I, H)
          ;   true
          )
        ),
        attach_type_alias___2(J, A)
    ;   true
    ).
constraint_type(A, B) :-
    constraint_type___2__0(A, B, _).
constraint_type___2__0(B, C, A) :-
    nb_getval('$chr_store_global_ground_chr_translate____static_type_check___2',
              E),
    !,
    A=suspension(D, not_stored_yet, _, B, C),
    'chr gen_id'(D),
    constraint_type___2__0__0__2(E, B, C, A).
constraint_type___2__0__0__2([], A, B, C) :-
    constraint_type___2__1(A, B, C).
constraint_type___2__0__0__2([A|L], H, I, B) :-
    (   A=suspension(_, active, _, _, _)
    ->  ( arg(2, B, C),
          setarg(2, B, active),
          (   C==not_stored_yet
          ->  ( nb_getval('$chr_store_global_ground_chr_translate____constraint_type___2',
                          D),
                E=[B|D],
                b_setval('$chr_store_global_ground_chr_translate____constraint_type___2',
                         E),
                (   D=[F|_]
                ->  setarg(3, F, E)
                ;   true
                )
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____constraint_type___2-1',
                        G),
              insert_ht(G, H, B)
          ;   true
          )
        ),
        forall(( member(J, I),
                 sub_term(J, K)
               ),
               (   get_type_definition(K, _)
               ->  true
               ;   chr_error(type_error,
                             'Undefined type "~w" used in type declaration of "~w".\n',
                             [K, H])
               )),
        (   B=suspension(_, active, _, _, _)
        ->  setarg(2, B, inactive),
            constraint_type___2__0__0__2(L, H, I, B)
        ;   true
        )
    ;   constraint_type___2__0__0__2(L, H, I, B)
    ).
constraint_type___2__0(B, C, A) :-
    A=suspension(D, not_stored_yet, _, B, C),
    'chr gen_id'(D),
    constraint_type___2__1(B, C, A).
constraint_type___2__1(G, _, A) :-
    arg(2, A, B),
    setarg(2, A, active),
    (   B==not_stored_yet
    ->  ( nb_getval('$chr_store_global_ground_chr_translate____constraint_type___2',
                    C),
          D=[A|C],
          b_setval('$chr_store_global_ground_chr_translate____constraint_type___2',
                   D),
          (   C=[E|_]
          ->  setarg(3, E, D)
          ;   true
          )
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____constraint_type___2-1',
                  F),
        insert_ht(F, G, A)
    ;   true
    ).
get_type_definition(A, _) :-
    \+ ground(A),
    !,
    chr_error(type_error,
              'Non-ground type in constraint definition: "~w".\n',
              [A]).
get_type_definition(D, J) :-
    nb_getval('$chr_store_global_list_chr_translate____type_alias___2', A),
    member(B, A),
    B=suspension(_, active, _, _, _, C, G),
    functor(C, E, F),
    functor(D, E, F),
    copy_term_nat((C, G),  (H, I)),
    H=D,
    !,
    (   get_type_definition(I, J)
    ->  true
    ;   chr_error(type_error,
                  'Could not find type definition for "~w" (accessed via alias "~w").\n',
                  [I, H]),
        fail
    ).
get_type_definition(D, I) :-
    nb_getval('$chr_store_global_list_chr_translate____type_definition___2',
              A),
    member(B, A),
    B=suspension(_, active, _, _, _, C, G),
    nonvar(C),
    functor(C, E, F),
    functor(D, E, F),
    copy_term_nat((C, G),  (H, J)),
    H=D,
    !,
    I=J.
get_type_definition(A, B) :-
    atomic_builtin_type(A, _, _),
    !,
    B=[A].
get_type_definition(A, B) :-
    compound_builtin_type(A, _, _, _),
    !,
    B=[A].
get_type_definition(_, _) :-
    fail.
get_constraint_type(B, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____constraint_type___2-1',
              A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _, _, F),
    !,
    E=F.
get_constraint_type(_, _) :-
    fail.
unalias_type(A, B) :-
    unalias_type___2__0(A, B, _).
unalias_type___2__0(A, I, B) :-
    var(A),
    !,
    (   var(B)
    ->  true
    ;   B=suspension(_, _, _, C, _),
        setarg(2, B, removed),
        term_variables(C, H),
        ( arg(3, B, D),
          (   var(D)
          ->  nb_getval('$chr_store_global_list_chr_translate____unalias_type___2',
                        E),
              E=[_|F],
              b_setval('$chr_store_global_list_chr_translate____unalias_type___2',
                       F),
              (   F=[G|_]
              ->  setarg(3, G, _)
              ;   true
              )
          ;   D=[_, _|F],
              setarg(2, D, F),
              (   F=[G|_]
              ->  setarg(3, G, D)
              ;   true
              )
          )
        ),
        detach_unalias_type___2(H, B)
    ),
    I=A.
unalias_type___2__0(D, Q, I) :-
    nb_getval('$chr_store_global_list_chr_translate____type_alias___2', A),
    member(B, A),
    B=suspension(_, active, _, _, _, C, G),
    functor(C, E, F),
    functor(D, E, F),
    copy_term_nat((C, G),  (H, P)),
    D=H,
    !,
    (   var(I)
    ->  true
    ;   I=suspension(_, _, _, J, _),
        setarg(2, I, removed),
        term_variables(J, O),
        ( arg(3, I, K),
          (   var(K)
          ->  nb_getval('$chr_store_global_list_chr_translate____unalias_type___2',
                        L),
              L=[_|M],
              b_setval('$chr_store_global_list_chr_translate____unalias_type___2',
                       M),
              (   M=[N|_]
              ->  setarg(3, N, _)
              ;   true
              )
          ;   K=[_, _|M],
              setarg(2, K, M),
              (   M=[N|_]
              ->  setarg(3, N, K)
              ;   true
              )
          )
        ),
        detach_unalias_type___2(O, I)
    ),
    unalias_type(P, Q).
unalias_type___2__0(D, N, G) :-
    nb_getval('$chr_store_global_list_chr_translate____type_definition___2',
              A),
    member(B, A),
    B=suspension(_, active, _, _, _, C, _),
    nonvar(C),
    functor(C, E, F),
    functor(D, E, F),
    !,
    (   var(G)
    ->  true
    ;   G=suspension(_, _, _, H, _),
        setarg(2, G, removed),
        term_variables(H, M),
        ( arg(3, G, I),
          (   var(I)
          ->  nb_getval('$chr_store_global_list_chr_translate____unalias_type___2',
                        J),
              J=[_|K],
              b_setval('$chr_store_global_list_chr_translate____unalias_type___2',
                       K),
              (   K=[L|_]
              ->  setarg(3, L, _)
              ;   true
              )
          ;   I=[_, _|K],
              setarg(2, I, K),
              (   K=[L|_]
              ->  setarg(3, L, I)
              ;   true
              )
          )
        ),
        detach_unalias_type___2(M, G)
    ),
    N=D.
unalias_type___2__0(A, I, B) :-
    atomic_builtin_type(A, _, _),
    !,
    (   var(B)
    ->  true
    ;   B=suspension(_, _, _, C, _),
        setarg(2, B, removed),
        term_variables(C, H),
        ( arg(3, B, D),
          (   var(D)
          ->  nb_getval('$chr_store_global_list_chr_translate____unalias_type___2',
                        E),
              E=[_|F],
              b_setval('$chr_store_global_list_chr_translate____unalias_type___2',
                       F),
              (   F=[G|_]
              ->  setarg(3, G, _)
              ;   true
              )
          ;   D=[_, _|F],
              setarg(2, D, F),
              (   F=[G|_]
              ->  setarg(3, G, D)
              ;   true
              )
          )
        ),
        detach_unalias_type___2(H, B)
    ),
    I=A.
unalias_type___2__0(A, I, B) :-
    compound_builtin_type(A, _, _, _),
    !,
    (   var(B)
    ->  true
    ;   B=suspension(_, _, _, C, _),
        setarg(2, B, removed),
        term_variables(C, H),
        ( arg(3, B, D),
          (   var(D)
          ->  nb_getval('$chr_store_global_list_chr_translate____unalias_type___2',
                        E),
              E=[_|F],
              b_setval('$chr_store_global_list_chr_translate____unalias_type___2',
                       F),
              (   F=[G|_]
              ->  setarg(3, G, _)
              ;   true
              )
          ;   D=[_, _|F],
              setarg(2, D, F),
              (   F=[G|_]
              ->  setarg(3, G, D)
              ;   true
              )
          )
        ),
        detach_unalias_type___2(H, B)
    ),
    I=A.
unalias_type___2__0(B, C, A) :-
    (   var(A)
    ->  ( A=suspension(D, active, _, B, C),
          term_variables(B, H),
          'chr gen_id'(D)
        ),
        ( nb_getval('$chr_store_global_list_chr_translate____unalias_type___2',
                    E),
          F=[A|E],
          b_setval('$chr_store_global_list_chr_translate____unalias_type___2',
                   F),
          (   E=[G|_]
          ->  setarg(3, G, F)
          ;   true
          )
        ),
        attach_unalias_type___2(H, A)
    ;   setarg(2, A, active)
    ).
types_modes_condition([], [], A) :-
    !,
    A=true.
types_modes_condition([D|O], [K|P], G) :-
    nb_getval('$chr_store_global_ground_chr_translate____constraint_mode___2',
              A),
    member(B, A),
    B=suspension(_, active, _, _, C, H),
    C=E/F,
    functor(D, E, F),
    !,
    D=..[_|I],
    G=(J, N, Q),
    modes_condition(H, I, J),
    get_constraint_type_det(E/F, L),
    K=..[_|M],
    types_condition(L, I, M, H, N),
    types_modes_condition(O, P, Q).
types_modes_condition([A|_], _, _) :-
    !,
    functor(A, B, C),
    chr_error(internal, 'Mode information missing for ~w.\n', [B/C]).
types_modes_condition(A, B, C) :-
    E=suspension(D, active, _, A, B, C),
    'chr gen_id'(D),
    nb_getval('$chr_store_global_ground_chr_translate____types_modes_condition___3',
              F),
    G=[E|F],
    b_setval('$chr_store_global_ground_chr_translate____types_modes_condition___3',
             G),
    (   F=[H|_]
    ->  setarg(3, H, G)
    ;   true
    ).
static_type_check(A, B) :-
    static_type_check___2__0(A, B, _).
static_type_check___2__0(B, C, A) :-
    nb_getval('$chr_store_global_ground_chr_translate____constraint_type___2',
              E),
    !,
    A=suspension(D, not_stored_yet, _, B, C),
    'chr gen_id'(D),
    static_type_check___2__0__0__1(E, B, C, A).
static_type_check___2__0__0__1([], A, B, C) :-
    static_type_check___2__1(A, B, C).
static_type_check___2__0__0__1([A|K], L, M, B) :-
    (   A=suspension(_, active, _, J, G)
    ->  ( arg(2, B, C),
          setarg(2, B, active),
          (   C==not_stored_yet
          ->  nb_getval('$chr_store_global_ground_chr_translate____static_type_check___2',
                        D),
              E=[B|D],
              b_setval('$chr_store_global_ground_chr_translate____static_type_check___2',
                       E),
              (   D=[F|_]
              ->  setarg(3, F, E)
              ;   true
              )
          ;   true
          )
        ),
        forall(( member(H, G),
                 sub_term(H, I)
               ),
               (   get_type_definition(I, _)
               ->  true
               ;   chr_error(type_error,
                             'Undefined type "~w" used in type declaration of "~w".\n',
                             [I, J])
               )),
        (   B=suspension(_, active, _, _, _)
        ->  setarg(2, B, inactive),
            static_type_check___2__0__0__1(K, L, M, B)
        ;   true
        )
    ;   static_type_check___2__0__0__1(K, L, M, B)
    ).
static_type_check___2__0(B, C, A) :-
    A=suspension(D, not_stored_yet, _, B, C),
    'chr gen_id'(D),
    static_type_check___2__1(B, C, A).
static_type_check___2__1(G, H, A) :-
    (   var(A)
    ->  true
    ;   arg(2, A, B),
        setarg(2, A, removed),
        (   B==not_stored_yet
        ->  true
        ;   arg(3, A, C),
            (   var(C)
            ->  nb_getval('$chr_store_global_ground_chr_translate____static_type_check___2',
                          D),
                D=[_|E],
                b_setval('$chr_store_global_ground_chr_translate____static_type_check___2',
                         E),
                (   E=[F|_]
                ->  setarg(3, F, _)
                ;   true
                )
            ;   C=[_, _|E],
                setarg(2, C, E),
                (   E=[F|_]
                ->  setarg(3, F, C)
                ;   true
                )
            )
        )
    ),
    maplist(static_type_check_rule, G, H).
ast_static_type_check_term(_, _, A) :-
    A==any,
    !.
ast_static_type_check_term(E, A, D) :-
    nonvar(A),
    A=var(B, C),
    !,
    ast_static_type_check_var(B, var(B, C), D, E).
ast_static_type_check_term(D, B, A) :-
    ast_atomic_builtin_type(A, B, C),
    !,
    (   call(C)
    ->  true
    ;   throw(type_error(invalid_functor(D, B, A)))
    ).
ast_static_type_check_term(D, B, A) :-
    ast_compound_builtin_type(A, B, C),
    !,
    (   call(C)
    ->  true
    ;   throw(type_error(invalid_functor(D, B, A)))
    ).
ast_static_type_check_term(H, I, C) :-
    nb_getval('$chr_store_global_list_chr_translate____type_alias___2', A),
    member(B, A),
    B=suspension(_, active, _, _, _, D, G),
    functor(C, E, F),
    functor(D, E, F),
    !,
    copy_term_nat(D-G, C-J),
    ast_static_type_check_term(H, I, J).
ast_static_type_check_term(M, H, C) :-
    nb_getval('$chr_store_global_list_chr_translate____type_definition___2',
              A),
    member(B, A),
    B=suspension(_, active, _, _, _, D, G),
    functor(C, E, F),
    functor(D, E, F),
    !,
    copy_term_nat(D-G, C-I),
    ast_functor(H, K, L),
    (   member(J, I),
        functor(J, K, L)
    ->  ast_args(H, N),
        J=..[_|O],
        maplist(ast_static_type_check_term(M), N, O)
    ;   throw(type_error(invalid_functor(M, H, C)))
    ).
ast_static_type_check_term(C, B, A) :-
    chr_error(internal,
              'Undefined type ~w while type checking term ~w in ~@.\n',
              [A, B, chr_translate:format_src(C)]).
ast_static_type_check_var(A, B, C, D) :-
    ast_static_type_check_var___4__0(A, B, C, D, _).
ast_static_type_check_var___4__0(O, P, D, R, G) :-
    nb_getval('$chr_store_global_list_chr_translate____type_alias___2', A),
    member(B, A),
    B=suspension(_, active, _, _, _, C, N),
    functor(C, E, F),
    functor(D, E, F),
    !,
    (   var(G)
    ->  true
    ;   G=suspension(_, _, _, _, _, H, _),
        setarg(2, G, removed),
        term_variables(H, M),
        ( arg(3, G, I),
          (   var(I)
          ->  nb_getval('$chr_store_global_list_chr_translate____ast_static_type_check_var___4',
                        J),
              J=[_|K],
              b_setval('$chr_store_global_list_chr_translate____ast_static_type_check_var___4',
                       K),
              (   K=[L|_]
              ->  setarg(3, L, _)
              ;   true
              )
          ;   I=[_, _|K],
              setarg(2, I, K),
              (   K=[L|_]
              ->  setarg(3, L, I)
              ;   true
              )
          )
        ),
        detach_ast_static_type_check_var___4(M, G)
    ),
    copy_term_nat(C-N, D-Q),
    ast_static_type_check_var(O, P, Q, R).
ast_static_type_check_var___4__0(I, J, A, K, B) :-
    atomic_builtin_type(A, _, _),
    !,
    (   var(B)
    ->  true
    ;   B=suspension(_, _, _, _, _, C, _),
        setarg(2, B, removed),
        term_variables(C, H),
        ( arg(3, B, D),
          (   var(D)
          ->  nb_getval('$chr_store_global_list_chr_translate____ast_static_type_check_var___4',
                        E),
              E=[_|F],
              b_setval('$chr_store_global_list_chr_translate____ast_static_type_check_var___4',
                       F),
              (   F=[G|_]
              ->  setarg(3, G, _)
              ;   true
              )
          ;   D=[_, _|F],
              setarg(2, D, F),
              (   F=[G|_]
              ->  setarg(3, G, D)
              ;   true
              )
          )
        ),
        detach_ast_static_type_check_var___4(H, B)
    ),
    ast_static_atomic_builtin_type_check_var(I, J, A, K).
ast_static_type_check_var___4__0(_, _, A, _, B) :-
    compound_builtin_type(A, _, _, _),
    !,
    (   var(B)
    ->  true
    ;   B=suspension(_, _, _, _, _, C, _),
        setarg(2, B, removed),
        term_variables(C, H),
        ( arg(3, B, D),
          (   var(D)
          ->  nb_getval('$chr_store_global_list_chr_translate____ast_static_type_check_var___4',
                        E),
              E=[_|F],
              b_setval('$chr_store_global_list_chr_translate____ast_static_type_check_var___4',
                       F),
              (   F=[G|_]
              ->  setarg(3, G, _)
              ;   true
              )
          ;   D=[_, _|F],
              setarg(2, D, F),
              (   F=[G|_]
              ->  setarg(3, G, D)
              ;   true
              )
          )
        ),
        detach_ast_static_type_check_var___4(H, B)
    ).
ast_static_type_check_var___4__0(D, T, E, U, M) :-
    ( nb_getval('$chr_store_global_list_chr_translate____ast_static_type_check_var___4',
                A),
      member(B, A),
      B=suspension(_, active, _, C, I1, F, V),
      C=D
    ),
    (   E\==F,
        !,
        B=suspension(_, _, _, _, _, G, _),
        setarg(2, B, removed),
        term_variables(G, L),
        arg(3, B, H),
        (   var(H)
        ->  nb_getval('$chr_store_global_list_chr_translate____ast_static_type_check_var___4',
                      I),
            I=[_|J],
            b_setval('$chr_store_global_list_chr_translate____ast_static_type_check_var___4',
                     J),
            (   J=[K|_]
            ->  setarg(3, K, _)
            ;   true
            )
        ;   H=[_, _|J],
            setarg(2, H, J),
            (   J=[K|_]
            ->  setarg(3, K, H)
            ;   true
            )
        ),
        detach_ast_static_type_check_var___4(L, B),
        (   var(M)
        ->  true
        ;   M=suspension(_, _, _, _, _, N, _),
            setarg(2, M, removed),
            term_variables(N, S),
            ( arg(3, M, O),
              (   var(O)
              ->  nb_getval('$chr_store_global_list_chr_translate____ast_static_type_check_var___4',
                            P),
                  P=[_|Q],
                  b_setval('$chr_store_global_list_chr_translate____ast_static_type_check_var___4',
                           Q),
                  (   Q=[R|_]
                  ->  setarg(3, R, _)
                  ;   true
                  )
              ;   O=[_, _|Q],
                  setarg(2, O, Q),
                  (   Q=[R|_]
                  ->  setarg(3, R, O)
                  ;   true
                  )
              )
            ),
            detach_ast_static_type_check_var___4(S, M)
        ),
        throw(type_error(type_clash(T,
                                    U,
                                    V,
                                    E,
                                    F)))
    ;   F\==E,
        !,
        B=suspension(_, _, _, _, _, W, _),
        setarg(2, B, removed),
        term_variables(W, B1),
        arg(3, B, X),
        (   var(X)
        ->  nb_getval('$chr_store_global_list_chr_translate____ast_static_type_check_var___4',
                      Y),
            Y=[_|Z],
            b_setval('$chr_store_global_list_chr_translate____ast_static_type_check_var___4',
                     Z),
            (   Z=[A1|_]
            ->  setarg(3, A1, _)
            ;   true
            )
        ;   X=[_, _|Z],
            setarg(2, X, Z),
            (   Z=[A1|_]
            ->  setarg(3, A1, X)
            ;   true
            )
        ),
        detach_ast_static_type_check_var___4(B1, B),
        (   var(M)
        ->  true
        ;   M=suspension(_, _, _, _, _, C1, _),
            setarg(2, M, removed),
            term_variables(C1, H1),
            ( arg(3, M, D1),
              (   var(D1)
              ->  nb_getval('$chr_store_global_list_chr_translate____ast_static_type_check_var___4',
                            E1),
                  E1=[_|F1],
                  b_setval('$chr_store_global_list_chr_translate____ast_static_type_check_var___4',
                           F1),
                  (   F1=[G1|_]
                  ->  setarg(3, G1, _)
                  ;   true
                  )
              ;   D1=[_, _|F1],
                  setarg(2, D1, F1),
                  (   F1=[G1|_]
                  ->  setarg(3, G1, D1)
                  ;   true
                  )
              )
            ),
            detach_ast_static_type_check_var___4(H1, M)
        ),
        throw(type_error(type_clash(I1,
                                    V,
                                    U,
                                    F,
                                    E)))
    ).
ast_static_type_check_var___4__0(B, C, D, E, A) :-
    (   var(A)
    ->  ( A=suspension(F, active, _, B, C, D, E),
          term_variables(D, J),
          'chr gen_id'(F)
        ),
        ( nb_getval('$chr_store_global_list_chr_translate____ast_static_type_check_var___4',
                    G),
          H=[A|G],
          b_setval('$chr_store_global_list_chr_translate____ast_static_type_check_var___4',
                   H),
          (   G=[I|_]
          ->  setarg(3, I, H)
          ;   true
          )
        ),
        attach_ast_static_type_check_var___4(J, A)
    ;   setarg(2, A, active)
    ).
ast_static_atomic_builtin_type_check_var(_, _, any, _) :-
    !.
ast_static_atomic_builtin_type_check_var(B, F, C, G) :-
    ( nb_getval('$chr_store_multi_hash_chr_translate____ast_static_atomic_builtin_type_check_var___4-13',
                A),
      lookup_ht(A, k(B, C), D)
    ),
    (   member(E, D),
        E=suspension(_, active, _, _, _, _),
        !
    ;   !,
        ast_static_atomic_builtin_type_check_var___4__0__0__3(D,
                                                              B,
                                                              F,
                                                              C,
                                                              G)
    ).
ast_static_atomic_builtin_type_check_var___4__0__0__3([], A, B, C, D) :-
    ast_static_atomic_builtin_type_check_var___4__1(A,
                                                    B,
                                                    C,
                                                    D).
ast_static_atomic_builtin_type_check_var___4__0__0__3([A|H], C, I, E, J) :-
    (   A=suspension(_, active, B, _, D, _),
        B==C,
        D==E
    ->  ( setarg(2, A, removed),
          ( nb_getval('$chr_store_multi_hash_chr_translate____ast_static_atomic_builtin_type_check_var___4-1',
                      F),
            delete_ht(F, C, A)
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____ast_static_atomic_builtin_type_check_var___4-13',
                    G),
          delete_ht(G, k(C, E), A)
        ),
        ast_static_atomic_builtin_type_check_var___4__0__0__3(H,
                                                              C,
                                                              I,
                                                              E,
                                                              J)
    ;   ast_static_atomic_builtin_type_check_var___4__0__0__3(H,
                                                              C,
                                                              I,
                                                              E,
                                                              J)
    ).
ast_static_atomic_builtin_type_check_var(A, B, C, D) :-
    ast_static_atomic_builtin_type_check_var___4__1(A,
                                                    B,
                                                    C,
                                                    D).
ast_static_atomic_builtin_type_check_var___4__1(B, _, number, _) :-
    nb_getval('$chr_store_multi_hash_chr_translate____ast_static_atomic_builtin_type_check_var___4-13',
              A),
    lookup_ht(A, k(B, float), C),
    member(D, C),
    D=suspension(_, active, _, _, _, _),
    !.
ast_static_atomic_builtin_type_check_var___4__1(B, D, float, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____ast_static_atomic_builtin_type_check_var___4-13',
              A),
    lookup_ht(A, k(B, number), C),
    !,
    ast_static_atomic_builtin_type_check_var___4__1__0__5(C,
                                                          B,
                                                          D,
                                                          float,
                                                          E).
ast_static_atomic_builtin_type_check_var___4__1__0__5([], A, B, C, D) :-
    ast_static_atomic_builtin_type_check_var___4__8(A,
                                                    B,
                                                    C,
                                                    D).
ast_static_atomic_builtin_type_check_var___4__1__0__5([A|G], C, H, I, J) :-
    (   A=suspension(_, active, B, _, D, _),
        B==C,
        D=number
    ->  ( setarg(2, A, removed),
          ( nb_getval('$chr_store_multi_hash_chr_translate____ast_static_atomic_builtin_type_check_var___4-1',
                      E),
            delete_ht(E, C, A)
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____ast_static_atomic_builtin_type_check_var___4-13',
                    F),
          delete_ht(F, k(C, number), A)
        ),
        ast_static_atomic_builtin_type_check_var___4__1__0__5(G,
                                                              C,
                                                              H,
                                                              I,
                                                              J)
    ;   ast_static_atomic_builtin_type_check_var___4__1__0__5(G,
                                                              C,
                                                              H,
                                                              I,
                                                              J)
    ).
ast_static_atomic_builtin_type_check_var___4__1(A, B, C, D) :-
    ast_static_atomic_builtin_type_check_var___4__2(A,
                                                    B,
                                                    C,
                                                    D).
ast_static_atomic_builtin_type_check_var___4__2(B, _, number, _) :-
    nb_getval('$chr_store_multi_hash_chr_translate____ast_static_atomic_builtin_type_check_var___4-13',
              A),
    lookup_ht(A, k(B, int), C),
    member(D, C),
    D=suspension(_, active, _, _, _, _),
    !.
ast_static_atomic_builtin_type_check_var___4__2(B, D, int, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____ast_static_atomic_builtin_type_check_var___4-13',
              A),
    lookup_ht(A, k(B, number), C),
    !,
    ast_static_atomic_builtin_type_check_var___4__2__0__7(C,
                                                          B,
                                                          D,
                                                          int,
                                                          E).
ast_static_atomic_builtin_type_check_var___4__2__0__7([], A, B, C, D) :-
    ast_static_atomic_builtin_type_check_var___4__5(A,
                                                    B,
                                                    C,
                                                    D).
ast_static_atomic_builtin_type_check_var___4__2__0__7([A|G], C, H, I, J) :-
    (   A=suspension(_, active, B, _, D, _),
        B==C,
        D=number
    ->  ( setarg(2, A, removed),
          ( nb_getval('$chr_store_multi_hash_chr_translate____ast_static_atomic_builtin_type_check_var___4-1',
                      E),
            delete_ht(E, C, A)
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____ast_static_atomic_builtin_type_check_var___4-13',
                    F),
          delete_ht(F, k(C, number), A)
        ),
        ast_static_atomic_builtin_type_check_var___4__2__0__7(G,
                                                              C,
                                                              H,
                                                              I,
                                                              J)
    ;   ast_static_atomic_builtin_type_check_var___4__2__0__7(G,
                                                              C,
                                                              H,
                                                              I,
                                                              J)
    ).
ast_static_atomic_builtin_type_check_var___4__2(A, B, C, D) :-
    ast_static_atomic_builtin_type_check_var___4__3(A,
                                                    B,
                                                    C,
                                                    D).
ast_static_atomic_builtin_type_check_var___4__3(B, _, number, _) :-
    nb_getval('$chr_store_multi_hash_chr_translate____ast_static_atomic_builtin_type_check_var___4-13',
              A),
    lookup_ht(A, k(B, natural), C),
    member(D, C),
    D=suspension(_, active, _, _, _, _),
    !.
ast_static_atomic_builtin_type_check_var___4__3(B, D, natural, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____ast_static_atomic_builtin_type_check_var___4-13',
              A),
    lookup_ht(A, k(B, number), C),
    !,
    ast_static_atomic_builtin_type_check_var___4__3__0__9(C,
                                                          B,
                                                          D,
                                                          natural,
                                                          E).
ast_static_atomic_builtin_type_check_var___4__3__0__9([], A, B, C, D) :-
    ast_static_atomic_builtin_type_check_var___4__5(A,
                                                    B,
                                                    C,
                                                    D).
ast_static_atomic_builtin_type_check_var___4__3__0__9([A|G], C, H, I, J) :-
    (   A=suspension(_, active, B, _, D, _),
        B==C,
        D=number
    ->  ( setarg(2, A, removed),
          ( nb_getval('$chr_store_multi_hash_chr_translate____ast_static_atomic_builtin_type_check_var___4-1',
                      E),
            delete_ht(E, C, A)
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____ast_static_atomic_builtin_type_check_var___4-13',
                    F),
          delete_ht(F, k(C, number), A)
        ),
        ast_static_atomic_builtin_type_check_var___4__3__0__9(G,
                                                              C,
                                                              H,
                                                              I,
                                                              J)
    ;   ast_static_atomic_builtin_type_check_var___4__3__0__9(G,
                                                              C,
                                                              H,
                                                              I,
                                                              J)
    ).
ast_static_atomic_builtin_type_check_var___4__3(A, B, C, D) :-
    ast_static_atomic_builtin_type_check_var___4__4(A,
                                                    B,
                                                    C,
                                                    D).
ast_static_atomic_builtin_type_check_var___4__4(B, _, number, _) :-
    nb_getval('$chr_store_multi_hash_chr_translate____ast_static_atomic_builtin_type_check_var___4-13',
              A),
    lookup_ht(A, k(B, dense_int), C),
    member(D, C),
    D=suspension(_, active, _, _, _, _),
    !.
ast_static_atomic_builtin_type_check_var___4__4(B, D, dense_int, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____ast_static_atomic_builtin_type_check_var___4-13',
              A),
    lookup_ht(A, k(B, number), C),
    !,
    ast_static_atomic_builtin_type_check_var___4__4__0__11(C,
                                                           B,
                                                           D,
                                                           dense_int,
                                                           E).
ast_static_atomic_builtin_type_check_var___4__4__0__11([], A, B, C, D) :-
    ast_static_atomic_builtin_type_check_var___4__6(A,
                                                    B,
                                                    C,
                                                    D).
ast_static_atomic_builtin_type_check_var___4__4__0__11([A|G], C, H, I, J) :-
    (   A=suspension(_, active, B, _, D, _),
        B==C,
        D=number
    ->  ( setarg(2, A, removed),
          ( nb_getval('$chr_store_multi_hash_chr_translate____ast_static_atomic_builtin_type_check_var___4-1',
                      E),
            delete_ht(E, C, A)
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____ast_static_atomic_builtin_type_check_var___4-13',
                    F),
          delete_ht(F, k(C, number), A)
        ),
        ast_static_atomic_builtin_type_check_var___4__4__0__11(G,
                                                               C,
                                                               H,
                                                               I,
                                                               J)
    ;   ast_static_atomic_builtin_type_check_var___4__4__0__11(G,
                                                               C,
                                                               H,
                                                               I,
                                                               J)
    ).
ast_static_atomic_builtin_type_check_var___4__4(A, B, C, D) :-
    ast_static_atomic_builtin_type_check_var___4__5(A,
                                                    B,
                                                    C,
                                                    D).
ast_static_atomic_builtin_type_check_var___4__5(B, _, int, _) :-
    nb_getval('$chr_store_multi_hash_chr_translate____ast_static_atomic_builtin_type_check_var___4-13',
              A),
    lookup_ht(A, k(B, natural), C),
    member(D, C),
    D=suspension(_, active, _, _, _, _),
    !.
ast_static_atomic_builtin_type_check_var___4__5(B, D, natural, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____ast_static_atomic_builtin_type_check_var___4-13',
              A),
    lookup_ht(A, k(B, int), C),
    !,
    ast_static_atomic_builtin_type_check_var___4__5__0__13(C,
                                                           B,
                                                           D,
                                                           natural,
                                                           E).
ast_static_atomic_builtin_type_check_var___4__5__0__13([], A, B, C, D) :-
    ast_static_atomic_builtin_type_check_var___4__7(A,
                                                    B,
                                                    C,
                                                    D).
ast_static_atomic_builtin_type_check_var___4__5__0__13([A|G], C, H, I, J) :-
    (   A=suspension(_, active, B, _, D, _),
        B==C,
        D=int
    ->  ( setarg(2, A, removed),
          ( nb_getval('$chr_store_multi_hash_chr_translate____ast_static_atomic_builtin_type_check_var___4-1',
                      E),
            delete_ht(E, C, A)
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____ast_static_atomic_builtin_type_check_var___4-13',
                    F),
          delete_ht(F, k(C, int), A)
        ),
        ast_static_atomic_builtin_type_check_var___4__5__0__13(G,
                                                               C,
                                                               H,
                                                               I,
                                                               J)
    ;   ast_static_atomic_builtin_type_check_var___4__5__0__13(G,
                                                               C,
                                                               H,
                                                               I,
                                                               J)
    ).
ast_static_atomic_builtin_type_check_var___4__5(A, B, C, D) :-
    ast_static_atomic_builtin_type_check_var___4__6(A,
                                                    B,
                                                    C,
                                                    D).
ast_static_atomic_builtin_type_check_var___4__6(B, _, int, _) :-
    nb_getval('$chr_store_multi_hash_chr_translate____ast_static_atomic_builtin_type_check_var___4-13',
              A),
    lookup_ht(A, k(B, dense_int), C),
    member(D, C),
    D=suspension(_, active, _, _, _, _),
    !.
ast_static_atomic_builtin_type_check_var___4__6(B, D, dense_int, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____ast_static_atomic_builtin_type_check_var___4-13',
              A),
    lookup_ht(A, k(B, int), C),
    !,
    ast_static_atomic_builtin_type_check_var___4__6__0__15(C,
                                                           B,
                                                           D,
                                                           dense_int,
                                                           E).
ast_static_atomic_builtin_type_check_var___4__6__0__15([], A, B, C, D) :-
    ast_static_atomic_builtin_type_check_var___4__7(A,
                                                    B,
                                                    C,
                                                    D).
ast_static_atomic_builtin_type_check_var___4__6__0__15([A|G], C, H, I, J) :-
    (   A=suspension(_, active, B, _, D, _),
        B==C,
        D=int
    ->  ( setarg(2, A, removed),
          ( nb_getval('$chr_store_multi_hash_chr_translate____ast_static_atomic_builtin_type_check_var___4-1',
                      E),
            delete_ht(E, C, A)
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____ast_static_atomic_builtin_type_check_var___4-13',
                    F),
          delete_ht(F, k(C, int), A)
        ),
        ast_static_atomic_builtin_type_check_var___4__6__0__15(G,
                                                               C,
                                                               H,
                                                               I,
                                                               J)
    ;   ast_static_atomic_builtin_type_check_var___4__6__0__15(G,
                                                               C,
                                                               H,
                                                               I,
                                                               J)
    ).
ast_static_atomic_builtin_type_check_var___4__6(A, B, C, D) :-
    ast_static_atomic_builtin_type_check_var___4__7(A,
                                                    B,
                                                    C,
                                                    D).
ast_static_atomic_builtin_type_check_var___4__7(B, _, natural, _) :-
    nb_getval('$chr_store_multi_hash_chr_translate____ast_static_atomic_builtin_type_check_var___4-13',
              A),
    lookup_ht(A, k(B, dense_int), C),
    member(D, C),
    D=suspension(_, active, _, _, _, _),
    !.
ast_static_atomic_builtin_type_check_var___4__7(B, D, dense_int, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____ast_static_atomic_builtin_type_check_var___4-13',
              A),
    lookup_ht(A, k(B, natural), C),
    !,
    ast_static_atomic_builtin_type_check_var___4__7__0__17(C,
                                                           B,
                                                           D,
                                                           dense_int,
                                                           E).
ast_static_atomic_builtin_type_check_var___4__7__0__17([], A, B, C, D) :-
    ast_static_atomic_builtin_type_check_var___4__8(A,
                                                    B,
                                                    C,
                                                    D).
ast_static_atomic_builtin_type_check_var___4__7__0__17([A|G], C, H, I, J) :-
    (   A=suspension(_, active, B, _, D, _),
        B==C,
        D=natural
    ->  ( setarg(2, A, removed),
          ( nb_getval('$chr_store_multi_hash_chr_translate____ast_static_atomic_builtin_type_check_var___4-1',
                      E),
            delete_ht(E, C, A)
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____ast_static_atomic_builtin_type_check_var___4-13',
                    F),
          delete_ht(F, k(C, natural), A)
        ),
        ast_static_atomic_builtin_type_check_var___4__7__0__17(G,
                                                               C,
                                                               H,
                                                               I,
                                                               J)
    ;   ast_static_atomic_builtin_type_check_var___4__7__0__17(G,
                                                               C,
                                                               H,
                                                               I,
                                                               J)
    ).
ast_static_atomic_builtin_type_check_var___4__7(A, B, C, D) :-
    ast_static_atomic_builtin_type_check_var___4__8(A,
                                                    B,
                                                    C,
                                                    D).
ast_static_atomic_builtin_type_check_var___4__8(B, H, K, I) :-
    nb_getval('$chr_store_multi_hash_chr_translate____ast_static_atomic_builtin_type_check_var___4-1',
              A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _, _, G, J),
    !,
    setarg(2, D, removed),
    nb_getval('$chr_store_multi_hash_chr_translate____ast_static_atomic_builtin_type_check_var___4-1',
              E),
    delete_ht(E, B, D),
    nb_getval('$chr_store_multi_hash_chr_translate____ast_static_atomic_builtin_type_check_var___4-13',
              F),
    delete_ht(F, k(B, G), D),
    throw(type_error(type_clash(H, I, J, K, G))).
ast_static_atomic_builtin_type_check_var___4__8(A, B, C, D) :-
    G=suspension(E, active, A, B, C, D),
    'chr gen_id'(E),
    nb_getval('$chr_store_multi_hash_chr_translate____ast_static_atomic_builtin_type_check_var___4-1',
              F),
    insert_ht(F, A, G),
    nb_getval('$chr_store_multi_hash_chr_translate____ast_static_atomic_builtin_type_check_var___4-13',
              H),
    insert_ht(H, k(A, C), G).
dynamic_type_check :-
    dynamic_type_check___0__0(_).
dynamic_type_check___0__0(A) :-
    nb_getval('$chr_store_global_list_chr_translate____type_definition___2',
              C),
    !,
    A=suspension(B, not_stored_yet, t, _),
    'chr gen_id'(B),
    dynamic_type_check___0__0__0__1(C, A).
dynamic_type_check___0__0__0__1([], A) :-
    dynamic_type_check___0__1(A).
dynamic_type_check___0__0__0__1([A|M], B) :-
    (   A=suspension(_, active, _, _, _, H, I),
        C=t(235, A, B),
        '$novel_production'(A, C),
        '$novel_production'(B, C)
    ->  '$extend_history'(B, C),
        ( arg(2, B, D),
          setarg(2, B, active),
          (   D==not_stored_yet
          ->  nb_getval('$chr_store_global_ground_chr_translate____dynamic_type_check___0',
                        E),
              F=[B|E],
              b_setval('$chr_store_global_ground_chr_translate____dynamic_type_check___0',
                       F),
              (   E=[G|_]
              ->  setarg(4, G, F)
              ;   true
              )
          ;   true
          )
        ),
        ( copy_term_nat(H-I, J-K),
          maplist(dynamic_type_check_clause(J), K, L),
          dynamic_type_check_clauses(L)
        ),
        (   B=suspension(_, active, _, _)
        ->  setarg(2, B, inactive),
            dynamic_type_check___0__0__0__1(M, B)
        ;   true
        )
    ;   dynamic_type_check___0__0__0__1(M, B)
    ).
dynamic_type_check___0__0(A) :-
    A=suspension(B, not_stored_yet, t, _),
    'chr gen_id'(B),
    dynamic_type_check___0__1(A).
dynamic_type_check___0__1(B) :-
    nb_getval('$chr_store_global_list_chr_translate____type_alias___2', A),
    !,
    dynamic_type_check___0__1__0__2(A, B).
dynamic_type_check___0__1__0__2([], A) :-
    dynamic_type_check___0__2(A).
dynamic_type_check___0__1__0__2([A|M], B) :-
    (   A=suspension(_, active, _, _, _, H, I),
        C=t(236, A, B),
        '$novel_production'(A, C),
        '$novel_production'(B, C)
    ->  '$extend_history'(B, C),
        ( arg(2, B, D),
          setarg(2, B, active),
          (   D==not_stored_yet
          ->  nb_getval('$chr_store_global_ground_chr_translate____dynamic_type_check___0',
                        E),
              F=[B|E],
              b_setval('$chr_store_global_ground_chr_translate____dynamic_type_check___0',
                       F),
              (   E=[G|_]
              ->  setarg(4, G, F)
              ;   true
              )
          ;   true
          )
        ),
        ( copy_term_nat(H-I, J-K),
          dynamic_type_check_alias_clause(J, K, L),
          dynamic_type_check_clauses([L])
        ),
        (   B=suspension(_, active, _, _)
        ->  setarg(2, B, inactive),
            dynamic_type_check___0__1__0__2(M, B)
        ;   true
        )
    ;   dynamic_type_check___0__1__0__2(M, B)
    ).
dynamic_type_check___0__1(A) :-
    dynamic_type_check___0__2(A).
dynamic_type_check___0__2(A) :-
    (   var(A)
    ->  true
    ;   arg(2, A, B),
        setarg(2, A, removed),
        (   B==not_stored_yet
        ->  true
        ;   arg(4, A, C),
            (   var(C)
            ->  nb_getval('$chr_store_global_ground_chr_translate____dynamic_type_check___0',
                          D),
                D=[_|E],
                b_setval('$chr_store_global_ground_chr_translate____dynamic_type_check___0',
                         E),
                (   E=[F|_]
                ->  setarg(4, F, _)
                ;   true
                )
            ;   C=[_, _|E],
                setarg(2, C, E),
                (   E=[F|_]
                ->  setarg(4, F, C)
                ;   true
                )
            )
        )
    ),
    findall(('$dynamic_type_check'(G, H):-I),
            (   atomic_builtin_type(G, H, I)
            ;   compound_builtin_type(G, H, I, _)
            ),
            J),
    dynamic_type_check_clauses(J).
dynamic_type_check_clauses(G) :-
    nb_getval('$chr_store_global_ground_chr_translate____dynamic_type_check_clauses___1',
              A),
    member(B, A),
    B=suspension(_, active, _, H),
    !,
    setarg(2, B, removed),
    arg(3, B, C),
    (   var(C)
    ->  nb_getval('$chr_store_global_ground_chr_translate____dynamic_type_check_clauses___1',
                  D),
        D=[_|E],
        b_setval('$chr_store_global_ground_chr_translate____dynamic_type_check_clauses___1',
                 E),
        (   E=[F|_]
        ->  setarg(3, F, _)
        ;   true
        )
    ;   C=[_, _|E],
        setarg(2, C, E),
        (   E=[F|_]
        ->  setarg(3, F, C)
        ;   true
        )
    ),
    append(G, H, I),
    dynamic_type_check_clauses(I).
dynamic_type_check_clauses(A) :-
    C=suspension(B, active, _, A),
    'chr gen_id'(B),
    nb_getval('$chr_store_global_ground_chr_translate____dynamic_type_check_clauses___1',
              D),
    E=[C|D],
    b_setval('$chr_store_global_ground_chr_translate____dynamic_type_check_clauses___1',
             E),
    (   D=[F|_]
    ->  setarg(3, F, E)
    ;   true
    ).
get_dynamic_type_check_clauses(G) :-
    nb_getval('$chr_store_global_ground_chr_translate____dynamic_type_check_clauses___1',
              A),
    member(B, A),
    B=suspension(_, active, _, H),
    !,
    setarg(2, B, removed),
    arg(3, B, C),
    (   var(C)
    ->  nb_getval('$chr_store_global_ground_chr_translate____dynamic_type_check_clauses___1',
                  D),
        D=[_|E],
        b_setval('$chr_store_global_ground_chr_translate____dynamic_type_check_clauses___1',
                 E),
        (   E=[F|_]
        ->  setarg(3, F, _)
        ;   true
        )
    ;   C=[_, _|E],
        setarg(2, C, E),
        (   E=[F|_]
        ->  setarg(3, F, C)
        ;   true
        )
    ),
    G=H.
get_dynamic_type_check_clauses([]).
atomic_type(A) :-
    atomic_type___1__0(A, _).
atomic_type___1__0(A, B) :-
    atomic_builtin_type(A, _, _),
    !,
    (   var(B)
    ->  true
    ;   B=suspension(_, _, _, C),
        setarg(2, B, removed),
        term_variables(C, H),
        ( arg(3, B, D),
          (   var(D)
          ->  nb_getval('$chr_store_global_list_chr_translate____atomic_type___1',
                        E),
              E=[_|F],
              b_setval('$chr_store_global_list_chr_translate____atomic_type___1',
                       F),
              (   F=[G|_]
              ->  setarg(3, G, _)
              ;   true
              )
          ;   D=[_, _|F],
              setarg(2, D, F),
              (   F=[G|_]
              ->  setarg(3, G, D)
              ;   true
              )
          )
        ),
        detach_atomic_type___1(H, B)
    ),
    A\==any.
atomic_type___1__0(C, G) :-
    nb_getval('$chr_store_global_list_chr_translate____type_definition___2',
              A),
    member(B, A),
    B=suspension(_, active, _, _, _, D, N),
    functor(C, E, F),
    functor(D, E, F),
    !,
    (   var(G)
    ->  true
    ;   G=suspension(_, _, _, H),
        setarg(2, G, removed),
        term_variables(H, M),
        ( arg(3, G, I),
          (   var(I)
          ->  nb_getval('$chr_store_global_list_chr_translate____atomic_type___1',
                        J),
              J=[_|K],
              b_setval('$chr_store_global_list_chr_translate____atomic_type___1',
                       K),
              (   K=[L|_]
              ->  setarg(3, L, _)
              ;   true
              )
          ;   I=[_, _|K],
              setarg(2, I, K),
              (   K=[L|_]
              ->  setarg(3, L, I)
              ;   true
              )
          )
        ),
        detach_atomic_type___1(M, G)
    ),
    maplist(atomic, N).
atomic_type___1__0(C, G) :-
    nb_getval('$chr_store_global_list_chr_translate____type_alias___2', A),
    member(B, A),
    B=suspension(_, active, _, _, _, D, N),
    functor(C, E, F),
    functor(D, E, F),
    !,
    (   var(G)
    ->  true
    ;   G=suspension(_, _, _, H),
        setarg(2, G, removed),
        term_variables(H, M),
        ( arg(3, G, I),
          (   var(I)
          ->  nb_getval('$chr_store_global_list_chr_translate____atomic_type___1',
                        J),
              J=[_|K],
              b_setval('$chr_store_global_list_chr_translate____atomic_type___1',
                       K),
              (   K=[L|_]
              ->  setarg(3, L, _)
              ;   true
              )
          ;   I=[_, _|K],
              setarg(2, I, K),
              (   K=[L|_]
              ->  setarg(3, L, I)
              ;   true
              )
          )
        ),
        detach_atomic_type___1(M, G)
    ),
    atomic(N),
    copy_term_nat(D-N, C-O),
    atomic_type(O).
atomic_type___1__0(B, A) :-
    (   var(A)
    ->  ( A=suspension(C, active, _, B),
          term_variables(B, G),
          'chr gen_id'(C)
        ),
        ( nb_getval('$chr_store_global_list_chr_translate____atomic_type___1',
                    D),
          E=[A|D],
          b_setval('$chr_store_global_list_chr_translate____atomic_type___1',
                   E),
          (   D=[F|_]
          ->  setarg(3, F, E)
          ;   true
          )
        ),
        attach_atomic_type___1(G, A)
    ;   setarg(2, A, active)
    ).
enumerated_atomic_type(A, _) :-
    atomic_builtin_type(A, _, _),
    !,
    fail.
enumerated_atomic_type(C, H) :-
    nb_getval('$chr_store_global_list_chr_translate____type_definition___2',
              A),
    member(B, A),
    B=suspension(_, active, _, _, _, D, G),
    functor(C, E, F),
    functor(D, E, F),
    !,
    maplist(atomic, G),
    H=G.
enumerated_atomic_type(C, I) :-
    nb_getval('$chr_store_global_list_chr_translate____type_alias___2', A),
    member(B, A),
    B=suspension(_, active, _, _, _, D, G),
    functor(C, E, F),
    functor(D, E, F),
    !,
    atomic(G),
    copy_term_nat(D-G, C-H),
    enumerated_atomic_type(H, I).
enumerated_atomic_type(_, _) :-
    fail.
stored(B, C, yes) :-
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-12',
              A),
    lookup_ht(A, k(B, C), D),
    member(E, D),
    E=suspension(_, active, _, _, _, _, G, H, _),
    nb_getval('$chr_store_multi_hash_chr_translate____passive___2-12', F),
    lookup_ht(F, k(G, H), I),
    member(J, I),
    J=suspension(_, active, _, _, _),
    nb_getval('$chr_store_multi_hash_chr_translate____stored_complete___3-1',
              K),
    lookup_ht(K, B, L),
    member(M, L),
    M=suspension(_, active, _, _, N, P),
    C<N,
    !,
    setarg(2, M, removed),
    nb_getval('$chr_store_multi_hash_chr_translate____stored_complete___3-13',
              O),
    delete_ht(O, k(B, P), M),
    nb_getval('$chr_store_multi_hash_chr_translate____stored_complete___3-1',
              Q),
    delete_ht(Q, B, M),
    R is P-1,
    stored(B, C, maybe),
    stored_complete(B, N, R).
stored(B, E, yes) :-
    nb_getval('$chr_store_multi_hash_chr_translate____stored_complete___3-1',
              A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _, _, F, K),
    E<F,
    nb_getval('$chr_store_multi_hash_chr_translate____ai_not_observed___2-12',
              G),
    lookup_ht(G, k(B, E), H),
    member(I, H),
    I=suspension(_, active, _, _),
    !,
    setarg(2, D, removed),
    nb_getval('$chr_store_multi_hash_chr_translate____stored_complete___3-13',
              J),
    delete_ht(J, k(B, K), D),
    nb_getval('$chr_store_multi_hash_chr_translate____stored_complete___3-1',
              L),
    delete_ht(L, B, D),
    M is K-1,
    stored(B, E, maybe),
    stored_complete(B, F, M).
stored(A, B, C) :-
    F=suspension(D, active, A, B, C),
    'chr gen_id'(D),
    nb_getval('$chr_store_multi_hash_chr_translate____stored___3-13', E),
    insert_ht(E, k(A, C), F),
    nb_getval('$chr_store_multi_hash_chr_translate____stored___3-123', G),
    insert_ht(G, k(A, B, C), F).
stored_completing(A, B, F) :-
    ( ground(A),
      ground(B),
      nb_getval('$chr_store_multi_hash_chr_translate____stored___3-123', C)
    ),
    (   (   lookup_ht(C, k(A, B, yes), D),
            member(E, D),
            E=suspension(_, active, _, _, _),
            !,
            G is B+1,
            H is F+1,
            stored_completing(A, G, H)
        ;   lookup_ht(C, k(A, B, maybe), I),
            member(J, I),
            J=suspension(_, active, _, _, _),
            !,
            K is B+1,
            stored_completing(A, K, F)
        )
    ;   lookup_ht(C, k(A, B, no), L),
        member(M, L),
        M=suspension(_, active, _, _, _),
        !,
        stored_complete(A, B, F)
    ).
stored_completing(A, B, C) :-
    stored_complete(A, B, C).
stored_complete(A, B, C) :-
    stored_complete___3__0(A, B, C, _).
stored_complete___3__0(B, F, Q, _) :-
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-1', A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _, _, _, E, H, I, _),
    E<F,
    nb_getval('$chr_store_multi_hash_chr_translate____passive___2-12', G),
    lookup_ht(G, k(H, I), J),
    member(K, J),
    K=suspension(_, active, _, _, _),
    nb_getval('$chr_store_multi_hash_chr_translate____stored___3-123', L),
    lookup_ht(L, k(B, E, yes), M),
    member(N, M),
    N=suspension(_, active, _, _, _),
    !,
    setarg(2, N, removed),
    nb_getval('$chr_store_multi_hash_chr_translate____stored___3-13', O),
    delete_ht(O, k(B, yes), N),
    nb_getval('$chr_store_multi_hash_chr_translate____stored___3-123', P),
    delete_ht(P, k(B, E, yes), N),
    R is Q-1,
    stored(B, E, maybe),
    stored_complete(B, F, R).
stored_complete___3__0(B, F, L, _) :-
    nb_getval('$chr_store_multi_hash_chr_translate____stored___3-13', A),
    lookup_ht(A, k(B, yes), C),
    member(D, C),
    D=suspension(_, active, _, E, _),
    E<F,
    nb_getval('$chr_store_multi_hash_chr_translate____ai_not_observed___2-12',
              G),
    lookup_ht(G, k(B, E), H),
    member(I, H),
    I=suspension(_, active, _, _),
    !,
    setarg(2, D, removed),
    nb_getval('$chr_store_multi_hash_chr_translate____stored___3-13', J),
    delete_ht(J, k(B, yes), D),
    nb_getval('$chr_store_multi_hash_chr_translate____stored___3-123', K),
    delete_ht(K, k(B, E, yes), D),
    M is L-1,
    stored(B, E, maybe),
    stored_complete(B, F, M).
stored_complete___3__0(B, D, 0, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____max_occurrence___2-1',
              A),
    lookup_ht(A, B, F),
    !,
    C=suspension(E, not_stored_yet, t, B, D, 0),
    'chr gen_id'(E),
    stored_complete___3__0__0__3(F, B, D, 0, C).
stored_complete___3__0__0__3([], A, B, C, D) :-
    stored_complete___3__1(A, B, C, D).
stored_complete___3__0__0__3([A|G], C, H, I, J) :-
    (   ( A=suspension(_, active, _, B, F),
          B==C
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-1',
                  D),
        lookup_ht(D, C, E)
    ->  stored_complete___3__0__1__3(E,
                                     F,
                                     A,
                                     G,
                                     C,
                                     H,
                                     I,
                                     J)
    ;   stored_complete___3__0__0__3(G, C, H, I, J)
    ).
stored_complete___3__0__1__3([], _, _, A, B, C, D, E) :-
    stored_complete___3__0__0__3(A, B, C, D, E).
stored_complete___3__0__1__3([A|G], H, I, J, C, K, L, M) :-
    (   ( A=suspension(_, active, _, _, B, _, E, _, _),
          B==C
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-3',
                  D),
        lookup_ht(D, E, F)
    ->  stored_complete___3__0__2__3(F,
                                     E,
                                     A,
                                     G,
                                     H,
                                     I,
                                     J,
                                     C,
                                     K,
                                     L,
                                     M)
    ;   stored_complete___3__0__1__3(G,
                                     H,
                                     I,
                                     J,
                                     C,
                                     K,
                                     L,
                                     M)
    ).
stored_complete___3__0__2__3([], _, _, A, B, C, D, E, F, G, H) :-
    stored_complete___3__0__1__3(A,
                                 B,
                                 C,
                                 D,
                                 E,
                                 F,
                                 G,
                                 H).
stored_complete___3__0__2__3([A|P], D, B, Q, I, F, R, L, H, M, E) :-
    (   A=suspension(_, active, _, _, _, _, C, O, _),
        A\==B,
        C==D,
        ( G=t(250, A, B, E, F),
          '$novel_production'(A, G),
          '$novel_production'(B, G),
          '$novel_production'(E, G),
          '$novel_production'(F, G)
        ),
        H=<I
    ->  '$extend_history'(E, G),
        ( arg(2, E, J),
          setarg(2, E, active),
          (   J==not_stored_yet
          ->  ( nb_getval('$chr_store_multi_hash_chr_translate____stored_complete___3-13',
                          K),
                insert_ht(K, k(L, M), E)
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____stored_complete___3-1',
                        N),
              insert_ht(N, L, E)
          ;   true
          )
        ),
        passive(D, O),
        (   E=suspension(_, active, _, _, _, _)
        ->  setarg(2, E, inactive),
            stored_complete___3__0__2__3(P,
                                         D,
                                         B,
                                         Q,
                                         I,
                                         F,
                                         R,
                                         L,
                                         H,
                                         M,
                                         E)
        ;   true
        )
    ;   stored_complete___3__0__2__3(P,
                                     D,
                                     B,
                                     Q,
                                     I,
                                     F,
                                     R,
                                     L,
                                     H,
                                     M,
                                     E)
    ).
stored_complete___3__0(B, C, D, A) :-
    A=suspension(E, not_stored_yet, t, B, C, D),
    'chr gen_id'(E),
    stored_complete___3__1(B, C, D, A).
stored_complete___3__1(B, D, E, F) :-
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-1', A),
    lookup_ht(A, B, C),
    !,
    stored_complete___3__1__0__4(C, B, D, E, F).
stored_complete___3__1__0__4([], A, B, C, D) :-
    stored_complete___3__2(A, B, C, D).
stored_complete___3__1__0__4([A|N], C, G, J, D) :-
    (   A=suspension(_, active, _, _, B, F, L, M, _),
        B==C,
        ( E=t(259, D, A),
          '$novel_production'(D, E),
          '$novel_production'(A, E)
        ),
        F>G
    ->  '$extend_history'(D, E),
        ( arg(2, D, H),
          setarg(2, D, active),
          (   H==not_stored_yet
          ->  ( nb_getval('$chr_store_multi_hash_chr_translate____stored_complete___3-13',
                          I),
                insert_ht(I, k(C, J), D)
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____stored_complete___3-1',
                        K),
              insert_ht(K, C, D)
          ;   true
          )
        ),
        passive(L, M),
        (   D=suspension(_, active, _, _, _, _)
        ->  setarg(2, D, inactive),
            stored_complete___3__1__0__4(N,
                                         C,
                                         G,
                                         J,
                                         D)
        ;   true
        )
    ;   stored_complete___3__1__0__4(N, C, G, J, D)
    ).
stored_complete___3__1(A, B, C, D) :-
    stored_complete___3__2(A, B, C, D).
stored_complete___3__2(D, _, E, A) :-
    arg(2, A, B),
    setarg(2, A, active),
    (   B==not_stored_yet
    ->  ( nb_getval('$chr_store_multi_hash_chr_translate____stored_complete___3-13',
                    C),
          insert_ht(C, k(D, E), A)
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____stored_complete___3-1',
                  F),
        insert_ht(F, D, A)
    ;   true
    ).
is_stored(A) :-
    ground(A),
    nb_getval('$chr_store_multi_hash_chr_translate____max_occurrence___2-1',
              B),
    lookup_ht(B, A, C),
    member(D, C),
    D=suspension(_, active, _, _, I),
    nb_getval('$chr_store_multi_hash_chr_translate____stored_complete___3-13',
              E),
    lookup_ht(E, k(A, 0), F),
    member(G, F),
    G=suspension(_, active, _, _, H, _),
    H=<I,
    !,
    fail.
is_stored(_).
is_finally_stored(A) :-
    ground(A),
    nb_getval('$chr_store_multi_hash_chr_translate____max_occurrence___2-1',
              B),
    lookup_ht(B, A, C),
    member(D, C),
    D=suspension(_, active, _, _, I),
    nb_getval('$chr_store_multi_hash_chr_translate____stored_complete___3-1',
              E),
    lookup_ht(E, A, F),
    member(G, F),
    G=suspension(_, active, _, _, H, _),
    H=<I,
    !,
    fail.
is_finally_stored(_).
check_all_passive(B, [C|F]) :-
    nb_getval('$chr_store_multi_hash_chr_translate____passive___2-12', A),
    lookup_ht(A, k(B, C), D),
    member(E, D),
    E=suspension(_, active, _, _, _),
    !,
    check_all_passive(B, F).
check_all_passive(B, []) :-
    nb_getval('$chr_store_multi_hash_chr_translate____rule___2-1', A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _, _, _, E),
    !,
    chr_warning(weird_program,
                'All heads passive in ~@.\n\tThis rule never fires. Please check your program.\n',
                [format_rule(E)]).
check_all_passive(A, B) :-
    E=suspension(C, active, A, B),
    'chr gen_id'(C),
    nb_getval('$chr_store_multi_hash_chr_translate____check_all_passive___2-12',
              D),
    insert_ht(D, k(A, B), E),
    nb_getval('$chr_store_multi_hash_chr_translate____check_all_passive___2-1',
              F),
    insert_ht(F, A, E).
constraints_code1([], A, B) :-
    !,
    A=B.
constraints_code1([A|C], B, E) :-
    !,
    constraint_code(A, B, D),
    constraints_code1(C, D, E).
constraints_code1(A, B, C) :-
    E=suspension(D, active, _, A, B, C),
    'chr gen_id'(D),
    nb_getval('$chr_store_global_ground_chr_translate____constraints_code1___3',
              F),
    G=[E|F],
    b_setval('$chr_store_global_ground_chr_translate____constraints_code1___3',
             G),
    (   F=[H|_]
    ->  setarg(3, H, G)
    ;   true
    ).
constraint_code(A, E, K) :-
    (   (   chr_pp_flag(debugable, on)
        ;   is_stored(A),
            (   has_active_occurrence(A)
            ;   chr_pp_flag(late_allocation, off)
            ),
            (   may_trigger(A)
            ;   get_allocation_occurrence(A, C),
                get_max_occurrence(A, B),
                B>=C
            )
        )
    ->  constraint_prelude(A, D),
        add_dummy_location(D, F),
        E=[F|G]
    ;   E=G
    ),
    H=[0],
    occurrences_code(A, 1, H, I, G, J),
    gen_cond_attach_clause(A, I, J, K).
has_active_occurrence(B) :-
    nb_getval('$chr_store_multi_hash_chr_translate____memo_has_active_occurrence___1-1',
              A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _),
    !.
has_active_occurrence(A) :-
    has_active_occurrence(A, 1),
    memo_has_active_occurrence(A).
has_active_occurrence(B, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____max_occurrence___2-1',
              A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _, _, F),
    E>F,
    !,
    fail.
has_active_occurrence(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-12',
              A),
    lookup_ht(A, k(B, C), D),
    member(E, D),
    E=suspension(_, active, _, _, _, _, G, H, _),
    nb_getval('$chr_store_multi_hash_chr_translate____passive___2-12', F),
    lookup_ht(F, k(G, H), I),
    member(J, I),
    J=suspension(_, active, _, _, _),
    !,
    K is C+1,
    has_active_occurrence(B, K).
has_active_occurrence(_, _).
memo_has_active_occurrence(A) :-
    D=suspension(B, active, A),
    'chr gen_id'(B),
    nb_getval('$chr_store_multi_hash_chr_translate____memo_has_active_occurrence___1-1',
              C),
    insert_ht(C, A, D).
use_auxiliary_predicate(B) :-
    nb_getval('$chr_store_multi_hash_chr_translate____use_auxiliary_predicate___1-1',
              A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _),
    !.
use_auxiliary_predicate(A) :-
    D=suspension(B, active, A),
    'chr gen_id'(B),
    nb_getval('$chr_store_multi_hash_chr_translate____use_auxiliary_predicate___1-1',
              C),
    insert_ht(C, A, D).
use_auxiliary_predicate(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____use_auxiliary_predicate___2-12',
              A),
    lookup_ht(A, k(B, C), D),
    member(E, D),
    E=suspension(_, active, _, _),
    !.
use_auxiliary_predicate(A, B) :-
    E=suspension(C, active, A, B),
    'chr gen_id'(C),
    nb_getval('$chr_store_multi_hash_chr_translate____use_auxiliary_predicate___2-1',
              D),
    insert_ht(D, A, E),
    nb_getval('$chr_store_multi_hash_chr_translate____use_auxiliary_predicate___2-12',
              F),
    insert_ht(F, k(A, B), E).
is_used_auxiliary_predicate(B) :-
    nb_getval('$chr_store_multi_hash_chr_translate____use_auxiliary_predicate___1-1',
              A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _),
    !.
is_used_auxiliary_predicate(B) :-
    nb_getval('$chr_store_multi_hash_chr_translate____use_auxiliary_predicate___2-1',
              A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _, _),
    !.
is_used_auxiliary_predicate(_) :-
    fail.
is_used_auxiliary_predicate(B, _) :-
    nb_getval('$chr_store_multi_hash_chr_translate____use_auxiliary_predicate___1-1',
              A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _),
    !.
is_used_auxiliary_predicate(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____use_auxiliary_predicate___2-12',
              A),
    lookup_ht(A, k(B, C), D),
    member(E, D),
    E=suspension(_, active, _, _),
    !.
is_used_auxiliary_predicate(_, _) :-
    fail.
use_auxiliary_module(B) :-
    nb_getval('$chr_store_multi_hash_chr_translate____use_auxiliary_module___1-1',
              A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _),
    !.
use_auxiliary_module(A) :-
    D=suspension(B, active, A),
    'chr gen_id'(B),
    nb_getval('$chr_store_multi_hash_chr_translate____use_auxiliary_module___1-1',
              C),
    insert_ht(C, A, D).
is_used_auxiliary_module(B) :-
    nb_getval('$chr_store_multi_hash_chr_translate____use_auxiliary_module___1-1',
              A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _),
    !.
is_used_auxiliary_module(_) :-
    fail.
occurrences_code(B, E, H, G, I, J) :-
    nb_getval('$chr_store_multi_hash_chr_translate____max_occurrence___2-1',
              A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _, _, F),
    E>F,
    !,
    G=H,
    I=J.
occurrences_code(A, B, C, G, D, I) :-
    occurrence_code(A, B, C, F, D, H),
    E is B+1,
    occurrences_code(A, E, F, G, H, I).
occurrence_code(B, C, L, K, M, N) :-
    ( nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-12',
                A),
      lookup_ht(A, k(B, C), D),
      member(E, D),
      E=suspension(_, active, _, _, _, _, G, H, _)
    ),
    (   nb_getval('$chr_store_multi_hash_chr_translate____passive___2-12',
                  F),
        lookup_ht(F, k(G, H), I),
        member(J, I),
        J=suspension(_, active, _, _, _),
        !,
        (   named_history(G, _, _)
        ->  does_use_history(B, C)
        ;   true
        ),
        K=L,
        M=N
    ;   nb_getval('$chr_store_multi_hash_chr_translate____rule___2-1', O),
        lookup_ht(O, G, P),
        member(Q, P),
        Q=suspension(_, active, _, _, _, R),
        !,
        R=pragma(rule(T, Y, _, _), ids(S, X), _, _, _),
        (   select2(H, U, S, T, W, V)
        ->  K=L,
            head1_code(U,
                       H,
                       V,
                       W,
                       R,
                       B,
                       C,
                       L,
                       M,
                       N)
        ;   select2(H, Z, X, Y, B1, A1)
        ->  head2_code(Z,
                       H,
                       A1,
                       B1,
                       R,
                       B,
                       C,
                       L,
                       M,
                       C1),
            (   should_skip_to_next_id(B, C)
            ->  inc_id(L, K),
                (   unconditional_occurrence(B, C)
                ->  C1=N
                ;   gen_alloc_inc_clause(B,
                                         C,
                                         L,
                                         C1,
                                         N)
                )
            ;   K=L,
                C1=N
            )
        )
    ).
occurrence_code(A, B, _, _, _, _) :-
    chr_error(internal,
              'occurrence_code/6: missing information to compile ~w:~w\n',
              [A, B]).
functional_dependency(C, A, K, L) :-
    A>1,
    nb_getval('$chr_store_multi_hash_chr_translate____allocation_occurrence___2-1',
              B),
    lookup_ht(B, C, D),
    member(E, D),
    E=suspension(_, active, _, _, I),
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-13',
              F),
    lookup_ht(F, k(C, A), G),
    member(H, G),
    H=suspension(_, active, _, _, _, J, _, _, _),
    I>J,
    !,
    functional_dependency(C, 1, K, L).
functional_dependency(A, B, C, D) :-
    G=suspension(E, active, A, B, C, D),
    'chr gen_id'(E),
    nb_getval('$chr_store_multi_hash_chr_translate____functional_dependency___4-1',
              F),
    insert_ht(F, A, G),
    nb_getval('$chr_store_multi_hash_chr_translate____functional_dependency___4-12',
              H),
    insert_ht(H, k(A, B), G).
get_functional_dependency(B, E, G, I) :-
    nb_getval('$chr_store_multi_hash_chr_translate____functional_dependency___4-1',
              A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _, F, H, J),
    E>=F,
    !,
    G=H,
    I=J.
get_functional_dependency(_, _, _, _) :-
    fail.
initial_call_pattern(A) :-
    initial_call_pattern___1__0(A, _).
initial_call_pattern___1__0(B, _) :-
    nb_getval('$chr_store_multi_hash_chr_translate____initial_call_pattern___1-1',
              A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _, _),
    !.
initial_call_pattern___1__0(B, A) :-
    A=suspension(C, active, t, B),
    'chr gen_id'(C),
    nb_getval('$chr_store_multi_hash_chr_translate____initial_call_pattern___1-1',
              D),
    insert_ht(D, B, A),
    call_pattern(B),
    (   A=suspension(_, active, _, _)
    ->  setarg(2, A, inactive),
        initial_call_pattern___1__1(B, A)
    ;   true
    ).
initial_call_pattern___1__1(B, D) :-
    nb_getval('$chr_store_multi_hash_chr_translate____final_answer_pattern___2-1',
              A),
    lookup_ht(A, B, C),
    !,
    initial_call_pattern___1__1__0__4(C, B, D).
initial_call_pattern___1__1__0__4([], A, B) :-
    initial_call_pattern___1__2(A, B).
initial_call_pattern___1__1__0__4([A|F], C, G) :-
    (   ( A=suspension(_, active, _, B, E),
          B==C
        ),
        nb_getval('$chr_store_global_ground_chr_translate____abstract_constraints___1',
                  D)
    ->  initial_call_pattern___1__1__1__4(D,
                                          E,
                                          A,
                                          F,
                                          C,
                                          G)
    ;   initial_call_pattern___1__1__0__4(F, C, G)
    ).
initial_call_pattern___1__1__1__4([], _, _, A, B, C) :-
    initial_call_pattern___1__1__0__4(A, B, C).
initial_call_pattern___1__1__1__4([A|G], F, C, H, I, B) :-
    (   A=suspension(_, active, _, E),
        D=t(303, B, C, A),
        '$novel_production'(B, D),
        '$novel_production'(C, D)
    ->  '$extend_history'(B, D),
        setarg(2, B, active),
        ai_observation_schedule_new_calls(E, F),
        (   B=suspension(_, active, _, _)
        ->  setarg(2, B, inactive),
            initial_call_pattern___1__1__1__4(G,
                                              F,
                                              C,
                                              H,
                                              I,
                                              B)
        ;   true
        )
    ;   initial_call_pattern___1__1__1__4(G,
                                          F,
                                          C,
                                          H,
                                          I,
                                          B)
    ).
initial_call_pattern___1__1(A, B) :-
    initial_call_pattern___1__2(A, B).
initial_call_pattern___1__2(_, A) :-
    setarg(2, A, active).
call_pattern(A) :-
    call_pattern___1__0(A, _).
call_pattern___1__0(B, _) :-
    nb_getval('$chr_store_multi_hash_chr_translate____call_pattern___1-1',
              A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _),
    !.
call_pattern___1__0(B, A) :-
    A=suspension(C, active, B),
    'chr gen_id'(C),
    nb_getval('$chr_store_multi_hash_chr_translate____call_pattern___1-1',
              D),
    insert_ht(D, B, A),
    call_pattern_worker(B),
    (   A=suspension(_, active, _)
    ->  setarg(2, A, inactive),
        call_pattern___1__1(B, A)
    ;   true
    ).
call_pattern___1__1(_, A) :-
    setarg(2, A, active).
call_pattern_worker(odom([], A)) :-
    !,
    final_answer_pattern(odom([], A), odom([], A)).
call_pattern_worker(odom([A|C], B)) :-
    !,
    D=odom(A, B),
    depends_on_goal(odom([A|C], B), D),
    call_pattern(D).
call_pattern_worker(odom((A;B), C)) :-
    !,
    D=odom((A;B), C),
    E=odom([], C),
    final_answer_pattern(D, E),
    F=odom(A, C),
    G=odom(B, C),
    call_pattern(F),
    call_pattern(G),
    depends_on_as(D, F, G).
call_pattern_worker(odom(builtin, A)) :-
    !,
    ord_empty(B),
    final_answer_pattern(odom(builtin, A), odom([], B)).
call_pattern_worker(odom(occ(B, E), G)) :-
    nb_getval('$chr_store_multi_hash_chr_translate____max_occurrence___2-1',
              A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _, _, F),
    E>F,
    !,
    final_answer_pattern(odom(occ(B, E), G), odom([], G)).
call_pattern_worker(odom(A, B)) :-
    A=_/_,
    !,
    C=odom(occ(A, 1), B),
    call_pattern(C),
    depends_on(odom(A, B), C).
call_pattern_worker(odom(occ(B, C), I)) :-
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-12',
              A),
    lookup_ht(A, k(B, C), D),
    member(E, D),
    E=suspension(_, active, _, _, _, _, F, G, _),
    is_passive(F, G),
    !,
    H is C+1,
    J=odom(occ(B, H), I),
    call_pattern(J),
    final_answer_pattern(odom(occ(B, C), I), odom([], I)),
    depends_on(odom(occ(B, C), I), J).
call_pattern_worker(odom(occ(B, C), H)) :-
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-125',
              A),
    (   lookup_ht(A, k(B, C, simplification), D),
        member(E, D),
        E=suspension(_, active, _, _, _, _, F, G, _),
        \+ is_passive(F, G),
        !,
        ai_observation_memo_simplification_rest_heads(B, C, I),
        ai_observation_observe_set(H, I, K),
        ai_observation_memo_abstract_goal(F, J),
        call_pattern(odom(J, K)),
        L is C+1,
        M=odom(occ(B, L), H),
        call_pattern(M),
        depends_on_as(odom(occ(B, C), H),
                      odom(J, K),
                      M),
        final_answer_pattern(odom(occ(B, C), H),
                             odom([], H))
    ;   lookup_ht(A, k(B, C, propagation), N),
        member(O, N),
        O=suspension(_, active, _, _, _, _, P, Q, _),
        \+ is_passive(P, Q),
        !,
        ai_observation_memo_propagation_rest_heads(B, C, R),
        ai_observation_observe_set(H, R, S),
        ord_add_element(S, B, U),
        ai_observation_memo_abstract_goal(P, T),
        call_pattern(odom(T, U)),
        (   ord_memberchk(B, S)
        ->  V=no
        ;   V=yes
        ),
        W is C+1,
        X=odom(occ(B, W), H),
        call_pattern(X),
        depends_on_ap(odom(occ(B, C), H),
                      odom(T, U),
                      X,
                      V)
    ).
call_pattern_worker(A) :-
    chr_error(internal,
              'AI observation analysis: unexpected abstract state ~w\n',
              [A]).
final_answer_pattern(A, B) :-
    final_answer_pattern___2__0(A, B, _).
final_answer_pattern___2__0(B, E, G) :-
    ( nb_getval('$chr_store_multi_hash_chr_translate____final_answer_pattern___2-1',
                A),
      lookup_ht(A, B, C)
    ),
    (   member(D, C),
        D=suspension(_, active, _, _, F),
        ai_observation_leq(E, F),
        !
    ;   !,
        final_answer_pattern___2__0__0__2(C, B, E, G)
    ).
final_answer_pattern___2__0__0__2([], A, B, C) :-
    final_answer_pattern___2__1(A, B, C).
final_answer_pattern___2__0__0__2([A|G], C, E, H) :-
    (   ( A=suspension(_, active, _, B, D),
          B==C
        ),
        ai_observation_leq(D, E)
    ->  ( setarg(2, A, removed),
          nb_getval('$chr_store_multi_hash_chr_translate____final_answer_pattern___2-1',
                    F),
          delete_ht(F, C, A)
        ),
        final_answer_pattern___2__0__0__2(G, C, E, H)
    ;   final_answer_pattern___2__0__0__2(G, C, E, H)
    ).
final_answer_pattern___2__0(A, B, C) :-
    final_answer_pattern___2__1(A, B, C).
final_answer_pattern___2__1(B, D, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____initial_call_pattern___1-1',
              A),
    lookup_ht(A, B, F),
    !,
    C=suspension(E, not_stored_yet, t, B, D),
    'chr gen_id'(E),
    final_answer_pattern___2__1__0__3(F, B, D, C).
final_answer_pattern___2__1__0__3([], A, B, C) :-
    final_answer_pattern___2__2(A, B, C).
final_answer_pattern___2__1__0__3([A|E], C, F, G) :-
    (   ( A=suspension(_, active, _, B),
          B==C
        ),
        nb_getval('$chr_store_global_ground_chr_translate____abstract_constraints___1',
                  D)
    ->  final_answer_pattern___2__1__1__3(D,
                                          A,
                                          E,
                                          C,
                                          F,
                                          G)
    ;   final_answer_pattern___2__1__0__3(E, C, F, G)
    ).
final_answer_pattern___2__1__1__3([], _, A, B, C, D) :-
    final_answer_pattern___2__1__0__3(A, B, C, D).
final_answer_pattern___2__1__1__3([A|J], B, K, G, I, C) :-
    (   A=suspension(_, active, _, H),
        D=t(303, B, C, A),
        '$novel_production'(B, D),
        '$novel_production'(C, D)
    ->  '$extend_history'(C, D),
        ( arg(2, C, E),
          setarg(2, C, active),
          (   E==not_stored_yet
          ->  nb_getval('$chr_store_multi_hash_chr_translate____final_answer_pattern___2-1',
                        F),
              insert_ht(F, G, C)
          ;   true
          )
        ),
        ai_observation_schedule_new_calls(H, I),
        (   C=suspension(_, active, _, _, _)
        ->  setarg(2, C, inactive),
            final_answer_pattern___2__1__1__3(J,
                                              B,
                                              K,
                                              G,
                                              I,
                                              C)
        ;   true
        )
    ;   final_answer_pattern___2__1__1__3(J,
                                          B,
                                          K,
                                          G,
                                          I,
                                          C)
    ).
final_answer_pattern___2__1(B, C, A) :-
    A=suspension(D, not_stored_yet, t, B, C),
    'chr gen_id'(D),
    final_answer_pattern___2__2(B, C, A).
final_answer_pattern___2__2(B, D, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____depends_on___2-2', A),
    lookup_ht(A, B, C),
    !,
    final_answer_pattern___2__2__0__4(C, B, D, E).
final_answer_pattern___2__2__0__4([], A, B, C) :-
    final_answer_pattern___2__3(A, B, C).
final_answer_pattern___2__2__0__4([A|J], C, I, D) :-
    (   A=suspension(_, active, _, H, B),
        B==C,
        E=t(305, A, D),
        '$novel_production'(A, E),
        '$novel_production'(D, E)
    ->  '$extend_history'(D, E),
        ( arg(2, D, F),
          setarg(2, D, active),
          (   F==not_stored_yet
          ->  nb_getval('$chr_store_multi_hash_chr_translate____final_answer_pattern___2-1',
                        G),
              insert_ht(G, C, D)
          ;   true
          )
        ),
        final_answer_pattern(H, I),
        (   D=suspension(_, active, _, _, _)
        ->  setarg(2, D, inactive),
            final_answer_pattern___2__2__0__4(J, C, I, D)
        ;   true
        )
    ;   final_answer_pattern___2__2__0__4(J, C, I, D)
    ).
final_answer_pattern___2__2(A, B, C) :-
    final_answer_pattern___2__3(A, B, C).
final_answer_pattern___2__3(B, D, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____depends_on_goal___2-2',
              A),
    lookup_ht(A, B, C),
    !,
    final_answer_pattern___2__3__0__5(C, B, D, E).
final_answer_pattern___2__3__0__5([], A, B, C) :-
    final_answer_pattern___2__4(A, B, C).
final_answer_pattern___2__3__0__5([A|G], C, H, I) :-
    (   ( A=suspension(_, active, _, E, B),
          B==C
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____depends_on___2-1',
                  D),
        lookup_ht(D, E, F)
    ->  final_answer_pattern___2__3__1__5(F,
                                          E,
                                          A,
                                          G,
                                          C,
                                          H,
                                          I)
    ;   final_answer_pattern___2__3__0__5(G, C, H, I)
    ).
final_answer_pattern___2__3__1__5([], _, _, A, B, C, D) :-
    final_answer_pattern___2__3__0__5(A, B, C, D).
final_answer_pattern___2__3__1__5([A|G], C, H, I, J, K, L) :-
    (   A=suspension(_, active, _, B, F),
        B==C
    ->  ( setarg(2, A, removed),
          ( nb_getval('$chr_store_multi_hash_chr_translate____depends_on___2-1',
                      D),
            delete_ht(D, C, A)
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____depends_on___2-2',
                    E),
          delete_ht(E, F, A)
        ),
        final_answer_pattern___2__3__1__5(G,
                                          C,
                                          H,
                                          I,
                                          J,
                                          K,
                                          L)
    ;   final_answer_pattern___2__3__1__5(G,
                                          C,
                                          H,
                                          I,
                                          J,
                                          K,
                                          L)
    ).
final_answer_pattern___2__3(A, B, C) :-
    final_answer_pattern___2__4(A, B, C).
final_answer_pattern___2__4(B, D, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____depends_on_goal___2-2',
              A),
    lookup_ht(A, B, C),
    !,
    final_answer_pattern___2__4__0__6(C, B, D, E).
final_answer_pattern___2__4__0__6([], A, B, C) :-
    final_answer_pattern___2__5(A, B, C).
final_answer_pattern___2__4__0__6([A|M], C, I, D) :-
    (   A=suspension(_, active, _, H, B),
        B==C,
        E=t(310, A, D),
        '$novel_production'(A, E),
        '$novel_production'(D, E)
    ->  '$extend_history'(D, E),
        ( arg(2, D, F),
          setarg(2, D, active),
          (   F==not_stored_yet
          ->  nb_getval('$chr_store_multi_hash_chr_translate____final_answer_pattern___2-1',
                        G),
              insert_ht(G, C, D)
          ;   true
          )
        ),
        ( H=odom([_|J], _),
          I=odom([], K),
          L=odom(J, K),
          call_pattern(L),
          depends_on(H, L)
        ),
        (   D=suspension(_, active, _, _, _)
        ->  setarg(2, D, inactive),
            final_answer_pattern___2__4__0__6(M,
                                              C,
                                              I,
                                              D)
        ;   true
        )
    ;   final_answer_pattern___2__4__0__6(M, C, I, D)
    ).
final_answer_pattern___2__4(A, B, C) :-
    final_answer_pattern___2__5(A, B, C).
final_answer_pattern___2__5(B, D, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____depends_on_as___3-2',
              A),
    lookup_ht(A, B, C),
    !,
    final_answer_pattern___2__5__0__7(C, B, D, E).
final_answer_pattern___2__5__0__7([], A, B, C) :-
    final_answer_pattern___2__6(A, B, C).
final_answer_pattern___2__5__0__7([A|H], C, I, J) :-
    (   ( A=suspension(_, active, _, G, B, E),
          B==C
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____final_answer_pattern___2-1',
                  D),
        lookup_ht(D, E, F)
    ->  final_answer_pattern___2__5__1__7(F,
                                          G,
                                          E,
                                          A,
                                          H,
                                          C,
                                          I,
                                          J)
    ;   final_answer_pattern___2__5__0__7(H, C, I, J)
    ).
final_answer_pattern___2__5__1__7([], _, _, _, A, B, C, D) :-
    final_answer_pattern___2__5__0__7(A, B, C, D).
final_answer_pattern___2__5__1__7([A|N], L, C, D, O, I, J, E) :-
    (   A=suspension(_, active, _, B, K),
        B==C,
        F=t(317, D, E, A),
        '$novel_production'(D, F),
        '$novel_production'(E, F),
        '$novel_production'(A, F)
    ->  '$extend_history'(E, F),
        ( arg(2, E, G),
          setarg(2, E, active),
          (   G==not_stored_yet
          ->  nb_getval('$chr_store_multi_hash_chr_translate____final_answer_pattern___2-1',
                        H),
              insert_ht(H, I, E)
          ;   true
          )
        ),
        ( ai_observation_lub(J, K, M),
          final_answer_pattern(L, M)
        ),
        (   E=suspension(_, active, _, _, _)
        ->  setarg(2, E, inactive),
            final_answer_pattern___2__5__1__7(N,
                                              L,
                                              C,
                                              D,
                                              O,
                                              I,
                                              J,
                                              E)
        ;   true
        )
    ;   final_answer_pattern___2__5__1__7(N,
                                          L,
                                          C,
                                          D,
                                          O,
                                          I,
                                          J,
                                          E)
    ).
final_answer_pattern___2__5(A, B, C) :-
    final_answer_pattern___2__6(A, B, C).
final_answer_pattern___2__6(B, D, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____depends_on_as___3-3',
              A),
    lookup_ht(A, B, C),
    !,
    final_answer_pattern___2__6__0__8(C, B, D, E).
final_answer_pattern___2__6__0__8([], A, B, C) :-
    final_answer_pattern___2__7(A, B, C).
final_answer_pattern___2__6__0__8([A|H], C, I, J) :-
    (   ( A=suspension(_, active, _, G, E, B),
          B==C
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____final_answer_pattern___2-1',
                  D),
        lookup_ht(D, E, F)
    ->  final_answer_pattern___2__6__1__8(F,
                                          G,
                                          E,
                                          A,
                                          H,
                                          C,
                                          I,
                                          J)
    ;   final_answer_pattern___2__6__0__8(H, C, I, J)
    ).
final_answer_pattern___2__6__1__8([], _, _, _, A, B, C, D) :-
    final_answer_pattern___2__6__0__8(A, B, C, D).
final_answer_pattern___2__6__1__8([A|N], L, C, D, O, I, K, E) :-
    (   A=suspension(_, active, _, B, J),
        B==C,
        F=t(317, D, A, E),
        '$novel_production'(D, F),
        '$novel_production'(A, F),
        '$novel_production'(E, F)
    ->  '$extend_history'(E, F),
        ( arg(2, E, G),
          setarg(2, E, active),
          (   G==not_stored_yet
          ->  nb_getval('$chr_store_multi_hash_chr_translate____final_answer_pattern___2-1',
                        H),
              insert_ht(H, I, E)
          ;   true
          )
        ),
        ( ai_observation_lub(J, K, M),
          final_answer_pattern(L, M)
        ),
        (   E=suspension(_, active, _, _, _)
        ->  setarg(2, E, inactive),
            final_answer_pattern___2__6__1__8(N,
                                              L,
                                              C,
                                              D,
                                              O,
                                              I,
                                              K,
                                              E)
        ;   true
        )
    ;   final_answer_pattern___2__6__1__8(N,
                                          L,
                                          C,
                                          D,
                                          O,
                                          I,
                                          K,
                                          E)
    ).
final_answer_pattern___2__6(A, B, C) :-
    final_answer_pattern___2__7(A, B, C).
final_answer_pattern___2__7(B, D, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____depends_on_ap___4-3',
              A),
    lookup_ht(A, B, C),
    !,
    final_answer_pattern___2__7__0__9(C, B, D, E).
final_answer_pattern___2__7__0__9([], A, B, C) :-
    final_answer_pattern___2__8(A, B, C).
final_answer_pattern___2__7__0__9([A|J], C, I, D) :-
    (   A=suspension(_, active, _, H, _, B, _),
        B==C,
        E=t(325, A, D),
        '$novel_production'(A, E),
        '$novel_production'(D, E)
    ->  '$extend_history'(D, E),
        ( arg(2, D, F),
          setarg(2, D, active),
          (   F==not_stored_yet
          ->  nb_getval('$chr_store_multi_hash_chr_translate____final_answer_pattern___2-1',
                        G),
              insert_ht(G, C, D)
          ;   true
          )
        ),
        final_answer_pattern(H, I),
        (   D=suspension(_, active, _, _, _)
        ->  setarg(2, D, inactive),
            final_answer_pattern___2__7__0__9(J, C, I, D)
        ;   true
        )
    ;   final_answer_pattern___2__7__0__9(J, C, I, D)
    ).
final_answer_pattern___2__7(A, B, C) :-
    final_answer_pattern___2__8(A, B, C).
final_answer_pattern___2__8(B, D, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____depends_on_ap___4-2',
              A),
    lookup_ht(A, B, C),
    !,
    final_answer_pattern___2__8__0__10(C, B, D, E).
final_answer_pattern___2__8__0__10([], A, B, C) :-
    final_answer_pattern___2__9(A, B, C).
final_answer_pattern___2__8__0__10([A|I], C, J, K) :-
    (   ( A=suspension(_, active, _, G, B, E, H),
          B==C
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____final_answer_pattern___2-1',
                  D),
        lookup_ht(D, E, F)
    ->  final_answer_pattern___2__8__1__10(F,
                                           G,
                                           E,
                                           H,
                                           A,
                                           I,
                                           C,
                                           J,
                                           K)
    ;   final_answer_pattern___2__8__0__10(I, C, J, K)
    ).
final_answer_pattern___2__8__1__10([], _, _, _, _, A, B, C, D) :-
    final_answer_pattern___2__8__0__10(A, B, C, D).
final_answer_pattern___2__8__1__10([A|T], J, C, N, D, U, I, K, E) :-
    (   A=suspension(_, active, _, B, R),
        B==C,
        F=t(326, D, E, A),
        '$novel_production'(D, F),
        '$novel_production'(E, F),
        '$novel_production'(A, F)
    ->  '$extend_history'(E, F),
        ( arg(2, E, G),
          setarg(2, E, active),
          (   G==not_stored_yet
          ->  nb_getval('$chr_store_multi_hash_chr_translate____final_answer_pattern___2-1',
                        H),
              insert_ht(H, I, E)
          ;   true
          )
        ),
        ( J=odom(occ(L, M), _),
          (   ai_observation_is_observed(K, L)
          ->  ai_observed_internal(L, M)
          ;   ai_not_observed_internal(L, M)
          ),
          (   N==yes
          ->  K=odom([], O),
              ord_del_element(O, L, P),
              Q=odom([], P)
          ;   Q=K
          ),
          ai_observation_lub(Q, R, S),
          final_answer_pattern(J, S)
        ),
        (   E=suspension(_, active, _, _, _)
        ->  setarg(2, E, inactive),
            final_answer_pattern___2__8__1__10(T,
                                               J,
                                               C,
                                               N,
                                               D,
                                               U,
                                               I,
                                               K,
                                               E)
        ;   true
        )
    ;   final_answer_pattern___2__8__1__10(T,
                                           J,
                                           C,
                                           N,
                                           D,
                                           U,
                                           I,
                                           K,
                                           E)
    ).
final_answer_pattern___2__8(A, B, C) :-
    final_answer_pattern___2__9(A, B, C).
final_answer_pattern___2__9(B, D, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____depends_on_ap___4-3',
              A),
    lookup_ht(A, B, C),
    !,
    final_answer_pattern___2__9__0__11(C, B, D, E).
final_answer_pattern___2__9__0__11([], A, B, C) :-
    final_answer_pattern___2__10(A, B, C).
final_answer_pattern___2__9__0__11([A|I], C, J, K) :-
    (   ( A=suspension(_, active, _, G, E, B, H),
          B==C
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____final_answer_pattern___2-1',
                  D),
        lookup_ht(D, E, F)
    ->  final_answer_pattern___2__9__1__11(F,
                                           G,
                                           E,
                                           H,
                                           A,
                                           I,
                                           C,
                                           J,
                                           K)
    ;   final_answer_pattern___2__9__0__11(I, C, J, K)
    ).
final_answer_pattern___2__9__1__11([], _, _, _, _, A, B, C, D) :-
    final_answer_pattern___2__9__0__11(A, B, C, D).
final_answer_pattern___2__9__1__11([A|T], J, C, N, D, U, I, R, E) :-
    (   A=suspension(_, active, _, B, K),
        B==C,
        F=t(326, D, A, E),
        '$novel_production'(D, F),
        '$novel_production'(A, F),
        '$novel_production'(E, F)
    ->  '$extend_history'(E, F),
        ( arg(2, E, G),
          setarg(2, E, active),
          (   G==not_stored_yet
          ->  nb_getval('$chr_store_multi_hash_chr_translate____final_answer_pattern___2-1',
                        H),
              insert_ht(H, I, E)
          ;   true
          )
        ),
        ( J=odom(occ(L, M), _),
          (   ai_observation_is_observed(K, L)
          ->  ai_observed_internal(L, M)
          ;   ai_not_observed_internal(L, M)
          ),
          (   N==yes
          ->  K=odom([], O),
              ord_del_element(O, L, P),
              Q=odom([], P)
          ;   Q=K
          ),
          ai_observation_lub(Q, R, S),
          final_answer_pattern(J, S)
        ),
        (   E=suspension(_, active, _, _, _)
        ->  setarg(2, E, inactive),
            final_answer_pattern___2__9__1__11(T,
                                               J,
                                               C,
                                               N,
                                               D,
                                               U,
                                               I,
                                               R,
                                               E)
        ;   true
        )
    ;   final_answer_pattern___2__9__1__11(T,
                                           J,
                                           C,
                                           N,
                                           D,
                                           U,
                                           I,
                                           R,
                                           E)
    ).
final_answer_pattern___2__9(A, B, C) :-
    final_answer_pattern___2__10(A, B, C).
final_answer_pattern___2__10(D, _, A) :-
    arg(2, A, B),
    setarg(2, A, active),
    (   B==not_stored_yet
    ->  nb_getval('$chr_store_multi_hash_chr_translate____final_answer_pattern___2-1',
                  C),
        insert_ht(C, D, A)
    ;   true
    ).
abstract_constraints(C) :-
    nb_getval('$chr_store_global_ground_chr_translate____abstract_constraints___1',
              A),
    (   member(B, A),
        B=suspension(_, active, _, _),
        !
    ;   !,
        abstract_constraints___1__0__0__2(A, C)
    ).
abstract_constraints___1__0__0__2([], A) :-
    abstract_constraints___1__1(A).
abstract_constraints___1__0__0__2([A|F], G) :-
    (   A=suspension(_, active, _, _)
    ->  ( setarg(2, A, removed),
          arg(3, A, B),
          (   var(B)
          ->  nb_getval('$chr_store_global_ground_chr_translate____abstract_constraints___1',
                        C),
              C=[_|D],
              b_setval('$chr_store_global_ground_chr_translate____abstract_constraints___1',
                       D),
              (   D=[E|_]
              ->  setarg(3, E, _)
              ;   true
              )
          ;   B=[_, _|D],
              setarg(2, B, D),
              (   D=[E|_]
              ->  setarg(3, E, B)
              ;   true
              )
          )
        ),
        abstract_constraints___1__0__0__2(F, G)
    ;   abstract_constraints___1__0__0__2(F, G)
    ).
abstract_constraints(A) :-
    abstract_constraints___1__1(A).
abstract_constraints___1__1(A) :-
    C=suspension(B, active, _, A),
    'chr gen_id'(B),
    nb_getval('$chr_store_global_ground_chr_translate____abstract_constraints___1',
              D),
    E=[C|D],
    b_setval('$chr_store_global_ground_chr_translate____abstract_constraints___1',
             E),
    (   D=[F|_]
    ->  setarg(3, F, E)
    ;   true
    ).
depends_on(A, B) :-
    depends_on___2__0(A, B, _).
depends_on___2__0(D, B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____final_answer_pattern___2-1',
              A),
    lookup_ht(A, B, F),
    !,
    C=suspension(E, not_stored_yet, t, D, B),
    'chr gen_id'(E),
    depends_on___2__0__0__1(F, D, B, C).
depends_on___2__0__0__1([], A, B, C) :-
    depends_on___2__1(A, B, C).
depends_on___2__0__0__1([A|K], H, C, D) :-
    (   A=suspension(_, active, _, B, J),
        B==C,
        E=t(305, D, A),
        '$novel_production'(D, E),
        '$novel_production'(A, E)
    ->  '$extend_history'(D, E),
        ( arg(2, D, F),
          setarg(2, D, active),
          (   F==not_stored_yet
          ->  ( nb_getval('$chr_store_multi_hash_chr_translate____depends_on___2-1',
                          G),
                insert_ht(G, H, D)
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____depends_on___2-2',
                        I),
              insert_ht(I, C, D)
          ;   true
          )
        ),
        final_answer_pattern(H, J),
        (   D=suspension(_, active, _, _, _)
        ->  setarg(2, D, inactive),
            depends_on___2__0__0__1(K, H, C, D)
        ;   true
        )
    ;   depends_on___2__0__0__1(K, H, C, D)
    ).
depends_on___2__0(B, C, A) :-
    A=suspension(D, not_stored_yet, t, B, C),
    'chr gen_id'(D),
    depends_on___2__1(B, C, A).
depends_on___2__1(D, F, A) :-
    arg(2, A, B),
    setarg(2, A, active),
    (   B==not_stored_yet
    ->  ( nb_getval('$chr_store_multi_hash_chr_translate____depends_on___2-1',
                    C),
          insert_ht(C, D, A)
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____depends_on___2-2',
                  E),
        insert_ht(E, F, A)
    ;   true
    ).
depends_on_ap(A, B, C, D) :-
    depends_on_ap___4__0(A, B, C, D, _).
depends_on_ap___4__0(D, E, B, F, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____final_answer_pattern___2-1',
              A),
    lookup_ht(A, B, H),
    !,
    C=suspension(G, not_stored_yet, t, D, E, B, F),
    'chr gen_id'(G),
    depends_on_ap___4__0__0__1(H,
                               D,
                               E,
                               B,
                               F,
                               C).
depends_on_ap___4__0__0__1([], A, B, C, D, E) :-
    depends_on_ap___4__1(A, B, C, D, E).
depends_on_ap___4__0__0__1([A|L], J, H, C, M, D) :-
    (   A=suspension(_, active, _, B, K),
        B==C,
        E=t(325, D, A),
        '$novel_production'(D, E),
        '$novel_production'(A, E)
    ->  '$extend_history'(D, E),
        ( arg(2, D, F),
          setarg(2, D, active),
          (   F==not_stored_yet
          ->  ( nb_getval('$chr_store_multi_hash_chr_translate____depends_on_ap___4-2',
                          G),
                insert_ht(G, H, D)
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____depends_on_ap___4-3',
                        I),
              insert_ht(I, C, D)
          ;   true
          )
        ),
        final_answer_pattern(J, K),
        (   D=suspension(_, active, _, _, _, _, _)
        ->  setarg(2, D, inactive),
            depends_on_ap___4__0__0__1(L,
                                       J,
                                       H,
                                       C,
                                       M,
                                       D)
        ;   true
        )
    ;   depends_on_ap___4__0__0__1(L,
                                   J,
                                   H,
                                   C,
                                   M,
                                   D)
    ).
depends_on_ap___4__0(B, C, D, E, A) :-
    A=suspension(F, not_stored_yet, t, B, C, D, E),
    'chr gen_id'(F),
    depends_on_ap___4__1(B, C, D, E, A).
depends_on_ap___4__1(D, B, E, F, G) :-
    nb_getval('$chr_store_multi_hash_chr_translate____final_answer_pattern___2-1',
              A),
    lookup_ht(A, B, C),
    !,
    depends_on_ap___4__1__0__2(C,
                               D,
                               B,
                               E,
                               F,
                               G).
depends_on_ap___4__1__0__2([], A, B, C, D, E) :-
    depends_on_ap___4__2(A, B, C, D, E).
depends_on_ap___4__1__0__2([A|H], I, C, E, J, K) :-
    (   ( A=suspension(_, active, _, B, G),
          B==C
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____final_answer_pattern___2-1',
                  D),
        lookup_ht(D, E, F)
    ->  depends_on_ap___4__1__1__2(F,
                                   G,
                                   A,
                                   H,
                                   I,
                                   C,
                                   E,
                                   J,
                                   K)
    ;   depends_on_ap___4__1__0__2(H,
                                   I,
                                   C,
                                   E,
                                   J,
                                   K)
    ).
depends_on_ap___4__1__1__2([], _, _, A, B, C, D, E, F) :-
    depends_on_ap___4__1__0__2(A,
                               B,
                               C,
                               D,
                               E,
                               F).
depends_on_ap___4__1__1__2([A|U], L, B, V, K, I, D, O, E) :-
    (   A=suspension(_, active, _, C, S),
        A\==B,
        C==D,
        F=t(326, E, B, A),
        '$novel_production'(E, F),
        '$novel_production'(B, F),
        '$novel_production'(A, F)
    ->  '$extend_history'(E, F),
        ( arg(2, E, G),
          setarg(2, E, active),
          (   G==not_stored_yet
          ->  ( nb_getval('$chr_store_multi_hash_chr_translate____depends_on_ap___4-2',
                          H),
                insert_ht(H, I, E)
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____depends_on_ap___4-3',
                        J),
              insert_ht(J, D, E)
          ;   true
          )
        ),
        ( K=odom(occ(M, N), _),
          (   ai_observation_is_observed(L, M)
          ->  ai_observed_internal(M, N)
          ;   ai_not_observed_internal(M, N)
          ),
          (   O==yes
          ->  L=odom([], P),
              ord_del_element(P, M, Q),
              R=odom([], Q)
          ;   R=L
          ),
          ai_observation_lub(R, S, T),
          final_answer_pattern(K, T)
        ),
        (   E=suspension(_, active, _, _, _, _, _)
        ->  setarg(2, E, inactive),
            depends_on_ap___4__1__1__2(U,
                                       L,
                                       B,
                                       V,
                                       K,
                                       I,
                                       D,
                                       O,
                                       E)
        ;   true
        )
    ;   depends_on_ap___4__1__1__2(U,
                                   L,
                                   B,
                                   V,
                                   K,
                                   I,
                                   D,
                                   O,
                                   E)
    ).
depends_on_ap___4__1(A, B, C, D, E) :-
    depends_on_ap___4__2(A, B, C, D, E).
depends_on_ap___4__2(_, D, F, _, A) :-
    arg(2, A, B),
    setarg(2, A, active),
    (   B==not_stored_yet
    ->  ( nb_getval('$chr_store_multi_hash_chr_translate____depends_on_ap___4-2',
                    C),
          insert_ht(C, D, A)
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____depends_on_ap___4-3',
                  E),
        insert_ht(E, F, A)
    ;   true
    ).
depends_on_goal(A, B) :-
    depends_on_goal___2__0(A, B, _).
depends_on_goal___2__0(B, D, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____depends_on___2-1', A),
    lookup_ht(A, B, C),
    !,
    depends_on_goal___2__0__0__1(C, B, D, E).
depends_on_goal___2__0__0__1([], A, B, C) :-
    depends_on_goal___2__1(A, B, C).
depends_on_goal___2__0__0__1([A|K], C, D, L) :-
    (   ( A=suspension(_, active, _, B, J),
          B==C
        ),
        ( ground(D),
          nb_getval('$chr_store_multi_hash_chr_translate____final_answer_pattern___2-1',
                    E),
          lookup_ht(E, D, F)
        ),
        member(G, F),
        G=suspension(_, active, _, _, _)
    ->  ( setarg(2, A, removed),
          ( nb_getval('$chr_store_multi_hash_chr_translate____depends_on___2-1',
                      H),
            delete_ht(H, C, A)
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____depends_on___2-2',
                    I),
          delete_ht(I, J, A)
        ),
        depends_on_goal___2__0__0__1(K, C, D, L)
    ;   depends_on_goal___2__0__0__1(K, C, D, L)
    ).
depends_on_goal___2__0(A, B, C) :-
    depends_on_goal___2__1(A, B, C).
depends_on_goal___2__1(D, B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____final_answer_pattern___2-1',
              A),
    lookup_ht(A, B, F),
    !,
    C=suspension(E, not_stored_yet, t, D, B),
    'chr gen_id'(E),
    depends_on_goal___2__1__0__2(F, D, B, C).
depends_on_goal___2__1__0__2([], A, B, C) :-
    depends_on_goal___2__2(A, B, C).
depends_on_goal___2__1__0__2([A|M], H, C, D) :-
    (   A=suspension(_, active, _, B, I),
        B==C,
        E=t(310, D, A),
        '$novel_production'(D, E),
        '$novel_production'(A, E)
    ->  '$extend_history'(D, E),
        ( arg(2, D, F),
          setarg(2, D, active),
          (   F==not_stored_yet
          ->  nb_getval('$chr_store_multi_hash_chr_translate____depends_on_goal___2-2',
                        G),
              insert_ht(G, C, D)
          ;   true
          )
        ),
        ( H=odom([_|J], _),
          I=odom([], K),
          L=odom(J, K),
          call_pattern(L),
          depends_on(H, L)
        ),
        (   D=suspension(_, active, _, _, _)
        ->  setarg(2, D, inactive),
            depends_on_goal___2__1__0__2(M, H, C, D)
        ;   true
        )
    ;   depends_on_goal___2__1__0__2(M, H, C, D)
    ).
depends_on_goal___2__1(B, C, A) :-
    A=suspension(D, not_stored_yet, t, B, C),
    'chr gen_id'(D),
    depends_on_goal___2__2(B, C, A).
depends_on_goal___2__2(_, D, A) :-
    arg(2, A, B),
    setarg(2, A, active),
    (   B==not_stored_yet
    ->  nb_getval('$chr_store_multi_hash_chr_translate____depends_on_goal___2-2',
                  C),
        insert_ht(C, D, A)
    ;   true
    ).
ai_observed_internal(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____ai_not_observed_internal___2-12',
              A),
    lookup_ht(A, k(B, C), D),
    !,
    ai_observed_internal___2__0__0__1(D, B, C).
ai_observed_internal___2__0__0__1([], A, B) :-
    ai_observed_internal___2__1(A, B).
ai_observed_internal___2__0__0__1([A|K], C, E) :-
    (   A=suspension(_, active, _, B, D),
        B==C,
        D==E
    ->  ( setarg(2, A, removed),
          ( arg(3, A, F),
            (   var(F)
            ->  nb_getval('$chr_store_global_ground_chr_translate____ai_not_observed_internal___2',
                          G),
                G=[_|H],
                b_setval('$chr_store_global_ground_chr_translate____ai_not_observed_internal___2',
                         H),
                (   H=[I|_]
                ->  setarg(3, I, _)
                ;   true
                )
            ;   F=[_, _|H],
                setarg(2, F, H),
                (   H=[I|_]
                ->  setarg(3, I, F)
                ;   true
                )
            )
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____ai_not_observed_internal___2-12',
                    J),
          delete_ht(J, k(C, E), A)
        ),
        ai_observed_internal___2__0__0__1(K, C, E)
    ;   ai_observed_internal___2__0__0__1(K, C, E)
    ).
ai_observed_internal(A, B) :-
    ai_observed_internal___2__1(A, B).
ai_observed_internal___2__1(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____ai_observed_internal___2-12',
              A),
    lookup_ht(A, k(B, C), D),
    member(E, D),
    E=suspension(_, active, _, _, _),
    !.
ai_observed_internal___2__1(_, _) :-
    nb_getval('$chr_store_global_ground_chr_translate____ai_observation_gather_results___0',
              A),
    member(B, A),
    B=suspension(_, active, _),
    !.
ai_observed_internal___2__1(A, B) :-
    D=suspension(C, active, _, A, B),
    'chr gen_id'(C),
    nb_getval('$chr_store_global_ground_chr_translate____ai_observed_internal___2',
              E),
    F=[D|E],
    b_setval('$chr_store_global_ground_chr_translate____ai_observed_internal___2',
             F),
    (   E=[G|_]
    ->  setarg(3, G, F)
    ;   true
    ),
    nb_getval('$chr_store_multi_hash_chr_translate____ai_observed_internal___2-12',
              H),
    insert_ht(H, k(A, B), D).
ai_not_observed_internal(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____ai_observed_internal___2-12',
              A),
    lookup_ht(A, k(B, C), D),
    member(E, D),
    E=suspension(_, active, _, _, _),
    !.
ai_not_observed_internal(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____ai_not_observed_internal___2-12',
              A),
    lookup_ht(A, k(B, C), D),
    member(E, D),
    E=suspension(_, active, _, _, _),
    !.
ai_not_observed_internal(C, D) :-
    nb_getval('$chr_store_global_ground_chr_translate____ai_observation_gather_results___0',
              A),
    member(B, A),
    B=suspension(_, active, _),
    !,
    ai_not_observed(C, D).
ai_not_observed_internal(A, B) :-
    D=suspension(C, active, _, A, B),
    'chr gen_id'(C),
    nb_getval('$chr_store_global_ground_chr_translate____ai_not_observed_internal___2',
              E),
    F=[D|E],
    b_setval('$chr_store_global_ground_chr_translate____ai_not_observed_internal___2',
             F),
    (   E=[G|_]
    ->  setarg(3, G, F)
    ;   true
    ),
    nb_getval('$chr_store_multi_hash_chr_translate____ai_not_observed_internal___2-12',
              H),
    insert_ht(H, k(A, B), D).
ai_not_observed(A, B) :-
    ai_not_observed___2__0(A, B, _).
ai_not_observed___2__0(B, C, D) :-
    nb_getval('$chr_store_multi_hash_chr_translate____stored___3-123', A),
    lookup_ht(A, k(B, C, yes), F),
    !,
    D=suspension(E, not_stored_yet, B, C),
    'chr gen_id'(E),
    ai_not_observed___2__0__0__1(F, B, C, D).
ai_not_observed___2__0__0__1([], A, B, C) :-
    ai_not_observed___2__1(A, B, C).
ai_not_observed___2__0__0__1([A|T], C, E, P) :-
    (   ( A=suspension(_, active, B, D, F),
          B==C,
          D==E,
          F=yes
        ),
        ( ( ground(C),
            nb_getval('$chr_store_multi_hash_chr_translate____stored_complete___3-1',
                      G),
            lookup_ht(G, C, H)
          ),
          member(I, H),
          I=suspension(_, active, _, _, J, N)
        ),
        E<J
    ->  ( ( setarg(2, A, removed),
            ( nb_getval('$chr_store_multi_hash_chr_translate____stored___3-13',
                        K),
              delete_ht(K, k(C, yes), A)
            ),
            nb_getval('$chr_store_multi_hash_chr_translate____stored___3-123',
                      L),
            delete_ht(L, k(C, E, yes), A)
          ),
          setarg(2, I, removed),
          ( nb_getval('$chr_store_multi_hash_chr_translate____stored_complete___3-13',
                      M),
            delete_ht(M, k(C, N), I)
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____stored_complete___3-1',
                    O),
          delete_ht(O, C, I)
        ),
        ( arg(2, P, Q),
          setarg(2, P, active),
          (   Q==not_stored_yet
          ->  nb_getval('$chr_store_multi_hash_chr_translate____ai_not_observed___2-12',
                        R),
              insert_ht(R, k(C, E), P)
          ;   true
          )
        ),
        ( S is N-1,
          stored(C, E, maybe),
          stored_complete(C, J, S)
        ),
        (   P=suspension(_, active, _, _)
        ->  setarg(2, P, inactive),
            ai_not_observed___2__0__0__1(T, C, E, P)
        ;   true
        )
    ;   ai_not_observed___2__0__0__1(T, C, E, P)
    ).
ai_not_observed___2__0(B, C, A) :-
    A=suspension(D, not_stored_yet, B, C),
    'chr gen_id'(D),
    ai_not_observed___2__1(B, C, A).
ai_not_observed___2__1(D, E, A) :-
    arg(2, A, B),
    setarg(2, A, active),
    (   B==not_stored_yet
    ->  nb_getval('$chr_store_multi_hash_chr_translate____ai_not_observed___2-12',
                  C),
        insert_ht(C, k(D, E), A)
    ;   true
    ).
ai_is_observed(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____ai_not_observed___2-12',
              A),
    lookup_ht(A, k(B, C), D),
    member(E, D),
    E=suspension(_, active, _, _),
    !,
    fail.
ai_is_observed(_, _).
depends_on_as(A, B, C) :-
    depends_on_as___3__0(A, B, C, _).
depends_on_as___3__0(D, B, E, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____final_answer_pattern___2-1',
              A),
    lookup_ht(A, B, G),
    !,
    C=suspension(F, not_stored_yet, t, D, B, E),
    'chr gen_id'(F),
    depends_on_as___3__0__0__1(G, D, B, E, C).
depends_on_as___3__0__0__1([], A, B, C, D) :-
    depends_on_as___3__1(A, B, C, D).
depends_on_as___3__0__0__1([A|H], I, C, E, J) :-
    (   ( A=suspension(_, active, _, B, G),
          B==C
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____final_answer_pattern___2-1',
                  D),
        lookup_ht(D, E, F)
    ->  depends_on_as___3__0__1__1(F,
                                   G,
                                   A,
                                   H,
                                   I,
                                   C,
                                   E,
                                   J)
    ;   depends_on_as___3__0__0__1(H, I, C, E, J)
    ).
depends_on_as___3__0__1__1([], _, _, A, B, C, D, E) :-
    depends_on_as___3__0__0__1(A, B, C, D, E).
depends_on_as___3__0__1__1([A|O], K, B, P, M, J, D, E) :-
    (   A=suspension(_, active, _, C, L),
        A\==B,
        C==D,
        F=t(317, E, B, A),
        '$novel_production'(E, F),
        '$novel_production'(B, F),
        '$novel_production'(A, F)
    ->  '$extend_history'(E, F),
        ( arg(2, E, G),
          setarg(2, E, active),
          (   G==not_stored_yet
          ->  ( nb_getval('$chr_store_multi_hash_chr_translate____depends_on_as___3-3',
                          H),
                insert_ht(H, D, E)
              ),
              nb_getval('$chr_store_multi_hash_chr_translate____depends_on_as___3-2',
                        I),
              insert_ht(I, J, E)
          ;   true
          )
        ),
        ( ai_observation_lub(K, L, N),
          final_answer_pattern(M, N)
        ),
        (   E=suspension(_, active, _, _, _, _)
        ->  setarg(2, E, inactive),
            depends_on_as___3__0__1__1(O,
                                       K,
                                       B,
                                       P,
                                       M,
                                       J,
                                       D,
                                       E)
        ;   true
        )
    ;   depends_on_as___3__0__1__1(O,
                                   K,
                                   B,
                                   P,
                                   M,
                                   J,
                                   D,
                                   E)
    ).
depends_on_as___3__0(B, C, D, A) :-
    A=suspension(E, not_stored_yet, t, B, C, D),
    'chr gen_id'(E),
    depends_on_as___3__1(B, C, D, A).
depends_on_as___3__1(_, F, D, A) :-
    arg(2, A, B),
    setarg(2, A, active),
    (   B==not_stored_yet
    ->  ( nb_getval('$chr_store_multi_hash_chr_translate____depends_on_as___3-3',
                    C),
          insert_ht(C, D, A)
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____depends_on_as___3-2',
                  E),
        insert_ht(E, F, A)
    ;   true
    ).
ai_observation_gather_results :-
    ai_observation_gather_results___0__0(_).
ai_observation_gather_results___0__0(B) :-
    nb_getval('$chr_store_global_ground_chr_translate____ai_observed_internal___2',
              A),
    !,
    ai_observation_gather_results___0__0__0__1(A, B).
ai_observation_gather_results___0__0__0__1([], A) :-
    ai_observation_gather_results___0__1(A).
ai_observation_gather_results___0__0__0__1([A|I], J) :-
    (   A=suspension(_, active, _, G, H)
    ->  ( setarg(2, A, removed),
          ( arg(3, A, B),
            (   var(B)
            ->  nb_getval('$chr_store_global_ground_chr_translate____ai_observed_internal___2',
                          C),
                C=[_|D],
                b_setval('$chr_store_global_ground_chr_translate____ai_observed_internal___2',
                         D),
                (   D=[E|_]
                ->  setarg(3, E, _)
                ;   true
                )
            ;   B=[_, _|D],
                setarg(2, B, D),
                (   D=[E|_]
                ->  setarg(3, E, B)
                ;   true
                )
            )
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____ai_observed_internal___2-12',
                    F),
          delete_ht(F, k(G, H), A)
        ),
        ai_observation_gather_results___0__0__0__1(I, J)
    ;   ai_observation_gather_results___0__0__0__1(I, J)
    ).
ai_observation_gather_results___0__0(A) :-
    ai_observation_gather_results___0__1(A).
ai_observation_gather_results___0__1(A) :-
    nb_getval('$chr_store_global_ground_chr_translate____ai_not_observed_internal___2',
              C),
    !,
    A=suspension(B, not_stored_yet, _),
    'chr gen_id'(B),
    ai_observation_gather_results___0__1__0__2(C, A).
ai_observation_gather_results___0__1__0__2([], A) :-
    ai_observation_gather_results___0__2(A).
ai_observation_gather_results___0__1__0__2([A|N], I) :-
    (   A=suspension(_, active, _, G, H)
    ->  ( setarg(2, A, removed),
          ( arg(3, A, B),
            (   var(B)
            ->  nb_getval('$chr_store_global_ground_chr_translate____ai_not_observed_internal___2',
                          C),
                C=[_|D],
                b_setval('$chr_store_global_ground_chr_translate____ai_not_observed_internal___2',
                         D),
                (   D=[E|_]
                ->  setarg(3, E, _)
                ;   true
                )
            ;   B=[_, _|D],
                setarg(2, B, D),
                (   D=[E|_]
                ->  setarg(3, E, B)
                ;   true
                )
            )
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____ai_not_observed_internal___2-12',
                    F),
          delete_ht(F, k(G, H), A)
        ),
        ( arg(2, I, J),
          setarg(2, I, active),
          (   J==not_stored_yet
          ->  nb_getval('$chr_store_global_ground_chr_translate____ai_observation_gather_results___0',
                        K),
              L=[I|K],
              b_setval('$chr_store_global_ground_chr_translate____ai_observation_gather_results___0',
                       L),
              (   K=[M|_]
              ->  setarg(3, M, L)
              ;   true
              )
          ;   true
          )
        ),
        ai_not_observed(G, H),
        (   I=suspension(_, active, _)
        ->  setarg(2, I, inactive),
            ai_observation_gather_results___0__1__0__2(N, I)
        ;   true
        )
    ;   ai_observation_gather_results___0__1__0__2(N, I)
    ).
ai_observation_gather_results___0__1(A) :-
    A=suspension(B, not_stored_yet, _),
    'chr gen_id'(B),
    ai_observation_gather_results___0__2(A).
ai_observation_gather_results___0__2(A) :-
    (   var(A)
    ->  true
    ;   arg(2, A, B),
        setarg(2, A, removed),
        (   B==not_stored_yet
        ->  true
        ;   arg(3, A, C),
            (   var(C)
            ->  nb_getval('$chr_store_global_ground_chr_translate____ai_observation_gather_results___0',
                          D),
                D=[_|E],
                b_setval('$chr_store_global_ground_chr_translate____ai_observation_gather_results___0',
                         E),
                (   E=[F|_]
                ->  setarg(3, F, _)
                ;   true
                )
            ;   C=[_, _|E],
                setarg(2, C, E),
                (   E=[F|_]
                ->  setarg(3, F, C)
                ;   true
                )
            )
        )
    ).
ai_observation_memo_simplification_rest_heads(B, C, F) :-
    nb_getval('$chr_store_multi_hash_chr_translate____ai_observation_memoed_simplification_rest_heads___3-12',
              A),
    lookup_ht(A, k(B, C), D),
    member(E, D),
    E=suspension(_, active, _, _, G),
    !,
    F=G.
ai_observation_memo_simplification_rest_heads(B, C, V) :-
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-12',
              A),
    lookup_ht(A, k(B, C), D),
    member(E, D),
    E=suspension(_, active, _, _, _, _, G, M, _),
    nb_getval('$chr_store_multi_hash_chr_translate____rule___2-1', F),
    lookup_ht(F, G, H),
    member(I, H),
    I=suspension(_, active, _, _, _, L),
    nb_getval('$chr_store_global_ground_chr_translate____abstract_constraints___1',
              J),
    member(K, J),
    K=suspension(_, active, _, Q),
    !,
    L=pragma(rule(O, R, _, _), ids(N, _), _, _, _),
    once(select2(M, _, N, O, _, P)),
    ai_observation_abstract_constraints(P, Q, S),
    ai_observation_abstract_constraints(R, Q, T),
    append(S, T, U),
    sort(U, V),
    ai_observation_memoed_simplification_rest_heads(B, C, V).
ai_observation_memo_simplification_rest_heads(_, _, _) :-
    fail.
ai_observation_memoed_simplification_rest_heads(A, B, C) :-
    F=suspension(D, active, A, B, C),
    'chr gen_id'(D),
    nb_getval('$chr_store_multi_hash_chr_translate____ai_observation_memoed_simplification_rest_heads___3-12',
              E),
    insert_ht(E, k(A, B), F).
ai_observation_memo_propagation_rest_heads(B, C, F) :-
    nb_getval('$chr_store_multi_hash_chr_translate____ai_observation_memoed_propagation_rest_heads___3-12',
              A),
    lookup_ht(A, k(B, C), D),
    member(E, D),
    E=suspension(_, active, _, _, G),
    !,
    F=G.
ai_observation_memo_propagation_rest_heads(B, C, V) :-
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-12',
              A),
    lookup_ht(A, k(B, C), D),
    member(E, D),
    E=suspension(_, active, _, _, _, _, G, M, _),
    nb_getval('$chr_store_multi_hash_chr_translate____rule___2-1', F),
    lookup_ht(F, G, H),
    member(I, H),
    I=suspension(_, active, _, _, _, L),
    nb_getval('$chr_store_global_ground_chr_translate____abstract_constraints___1',
              J),
    member(K, J),
    K=suspension(_, active, _, Q),
    !,
    L=pragma(rule(R, O, _, _), ids(_, N), _, _, _),
    once(select2(M, _, N, O, _, P)),
    ai_observation_abstract_constraints(P, Q, S),
    ai_observation_abstract_constraints(R, Q, T),
    append(S, T, U),
    sort(U, V),
    ai_observation_memoed_propagation_rest_heads(B, C, V).
ai_observation_memo_propagation_rest_heads(_, _, _) :-
    fail.
ai_observation_memoed_propagation_rest_heads(A, B, C) :-
    F=suspension(D, active, A, B, C),
    'chr gen_id'(D),
    nb_getval('$chr_store_multi_hash_chr_translate____ai_observation_memoed_propagation_rest_heads___3-12',
              E),
    insert_ht(E, k(A, B), F).
ai_observation_memoed_abstract_goal(A, B) :-
    E=suspension(C, active, A, B),
    'chr gen_id'(C),
    nb_getval('$chr_store_multi_hash_chr_translate____ai_observation_memoed_abstract_goal___2-1',
              D),
    insert_ht(D, A, E).
ai_observation_memo_abstract_goal(B, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____ai_observation_memoed_abstract_goal___2-1',
              A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _, F),
    !,
    E=F.
ai_observation_memo_abstract_goal(B, M) :-
    nb_getval('$chr_store_multi_hash_chr_translate____rule___2-1', A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _, _, _, G),
    nb_getval('$chr_store_global_ground_chr_translate____abstract_constraints___1',
              E),
    member(F, E),
    F=suspension(_, active, _, L),
    !,
    G=pragma(rule(H, I, J, K), _, _, _, _),
    ai_observation_abstract_goal_(H,
                                  I,
                                  J,
                                  K,
                                  L,
                                  N),
    M=N,
    ai_observation_memoed_abstract_goal(B, N).
ai_observation_memo_abstract_goal(A, B) :-
    D=suspension(C, active, _, A, B),
    'chr gen_id'(C),
    nb_getval('$chr_store_global_ground_chr_translate____ai_observation_memo_abstract_goal___2',
              E),
    F=[D|E],
    b_setval('$chr_store_global_ground_chr_translate____ai_observation_memo_abstract_goal___2',
             F),
    (   E=[G|_]
    ->  setarg(3, G, F)
    ;   true
    ).
partial_wake_analysis :-
    partial_wake_analysis___0__0(_).
partial_wake_analysis___0__0(A) :-
    nb_getval('$chr_store_global_ground_chr_translate____occurrence___5',
              C),
    !,
    A=suspension(B, not_stored_yet, t, _),
    'chr gen_id'(B),
    partial_wake_analysis___0__0__0__1(C, A).
partial_wake_analysis___0__0__0__1([], A) :-
    partial_wake_analysis___0__1(A).
partial_wake_analysis___0__0__0__1([A|H], I) :-
    (   A=suspension(_, active, _, _, C, _, E, F, G),
        nb_getval('$chr_store_multi_hash_chr_translate____constraint_mode___2-1',
                  B),
        lookup_ht(B, C, D)
    ->  partial_wake_analysis___0__0__1__1(D,
                                           C,
                                           E,
                                           F,
                                           G,
                                           A,
                                           H,
                                           I)
    ;   partial_wake_analysis___0__0__0__1(H, I)
    ).
partial_wake_analysis___0__0__1__1([], _, _, _, _, _, A, B) :-
    partial_wake_analysis___0__0__0__1(A, B).
partial_wake_analysis___0__0__1__1([A|H], C, E, I, J, K, L, M) :-
    (   ( A=suspension(_, active, _, _, B, G),
          B==C
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____rule___2-1', D),
        lookup_ht(D, E, F)
    ->  partial_wake_analysis___0__0__2__1(F,
                                           G,
                                           A,
                                           H,
                                           C,
                                           E,
                                           I,
                                           J,
                                           K,
                                           L,
                                           M)
    ;   partial_wake_analysis___0__0__1__1(H,
                                           C,
                                           E,
                                           I,
                                           J,
                                           K,
                                           L,
                                           M)
    ).
partial_wake_analysis___0__0__2__1([], _, _, A, B, C, D, E, F, G, H) :-
    partial_wake_analysis___0__0__1__1(A,
                                       B,
                                       C,
                                       D,
                                       E,
                                       F,
                                       G,
                                       H).
partial_wake_analysis___0__0__2__1([A|W], S, F, X, U, C, M, N, E, Y, D) :-
    (   A=suspension(_, active, _, _, B, L),
        B==C,
        G=t(330, D, E, A, F),
        '$novel_production'(D, G),
        '$novel_production'(E, G),
        '$novel_production'(A, G),
        '$novel_production'(F, G)
    ->  '$extend_history'(D, G),
        ( arg(2, D, H),
          setarg(2, D, active),
          (   H==not_stored_yet
          ->  nb_getval('$chr_store_global_ground_chr_translate____partial_wake_analysis___0',
                        I),
              J=[D|I],
              b_setval('$chr_store_global_ground_chr_translate____partial_wake_analysis___0',
                       J),
              (   I=[K|_]
              ->  setarg(4, K, J)
              ;   true
              )
          ;   true
          )
        ),
        ( L=pragma(rule(O, V, Q, _), _, _, _, _),
          (   is_passive(C, M)
          ->  true
          ;   N==simplification
          ->  select(P, O, _),
              P=..[_|R],
              term_variables(Q, T),
              partial_wake_args(R, S, T, U)
          ;   select(P, V, _),
              P=..[_|R],
              term_variables(Q, T),
              partial_wake_args(R, S, T, U)
          )
        ),
        (   D=suspension(_, active, _, _)
        ->  setarg(2, D, inactive),
            partial_wake_analysis___0__0__2__1(W,
                                               S,
                                               F,
                                               X,
                                               U,
                                               C,
                                               M,
                                               N,
                                               E,
                                               Y,
                                               D)
        ;   true
        )
    ;   partial_wake_analysis___0__0__2__1(W,
                                           S,
                                           F,
                                           X,
                                           U,
                                           C,
                                           M,
                                           N,
                                           E,
                                           Y,
                                           D)
    ).
partial_wake_analysis___0__0(A) :-
    A=suspension(B, not_stored_yet, t, _),
    'chr gen_id'(B),
    partial_wake_analysis___0__1(A).
partial_wake_analysis___0__1(A) :-
    arg(2, A, B),
    setarg(2, A, active),
    (   B==not_stored_yet
    ->  nb_getval('$chr_store_global_ground_chr_translate____partial_wake_analysis___0',
                  C),
        D=[A|C],
        b_setval('$chr_store_global_ground_chr_translate____partial_wake_analysis___0',
                 D),
        (   C=[E|_]
        ->  setarg(4, E, D)
        ;   true
        )
    ;   true
    ).
no_partial_wake(B) :-
    nb_getval('$chr_store_multi_hash_chr_translate____no_partial_wake___1-1',
              A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _),
    !.
no_partial_wake(A) :-
    D=suspension(B, active, A),
    'chr gen_id'(B),
    nb_getval('$chr_store_multi_hash_chr_translate____no_partial_wake___1-1',
              C),
    insert_ht(C, A, D).
wakes_partially(B) :-
    nb_getval('$chr_store_multi_hash_chr_translate____no_partial_wake___1-1',
              A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _),
    !,
    fail.
wakes_partially(_).
phase_end(A) :-
    phase_end___1__0(A, _).
phase_end___1__0(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____delay_phase_end___2-1',
              A),
    lookup_ht(A, B, E),
    !,
    C=suspension(D, not_stored_yet, B),
    'chr gen_id'(D),
    phase_end___1__0__0__1(E, B, C).
phase_end___1__0__0__1([], A, B) :-
    phase_end___1__1(A, B).
phase_end___1__0__0__1([A|I], C, E) :-
    (   A=suspension(_, active, B, H),
        B==C
    ->  ( setarg(2, A, removed),
          nb_getval('$chr_store_multi_hash_chr_translate____delay_phase_end___2-1',
                    D),
          delete_ht(D, C, A)
        ),
        ( arg(2, E, F),
          setarg(2, E, active),
          (   F==not_stored_yet
          ->  nb_getval('$chr_store_multi_hash_chr_translate____phase_end___1-1',
                        G),
              insert_ht(G, C, E)
          ;   true
          )
        ),
        call(H),
        (   E=suspension(_, active, _)
        ->  setarg(2, E, inactive),
            phase_end___1__0__0__1(I, C, E)
        ;   true
        )
    ;   phase_end___1__0__0__1(I, C, E)
    ).
phase_end___1__0(B, A) :-
    A=suspension(C, not_stored_yet, B),
    'chr gen_id'(C),
    phase_end___1__1(B, A).
phase_end___1__1(D, A) :-
    arg(2, A, B),
    setarg(2, A, active),
    (   B==not_stored_yet
    ->  nb_getval('$chr_store_multi_hash_chr_translate____phase_end___1-1',
                  C),
        insert_ht(C, D, A)
    ;   true
    ).
delay_phase_end(B, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____phase_end___1-1', A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _),
    !,
    call(E).
delay_phase_end(A, B) :-
    E=suspension(C, active, A, B),
    'chr gen_id'(C),
    nb_getval('$chr_store_multi_hash_chr_translate____delay_phase_end___2-1',
              D),
    insert_ht(D, A, E).
does_use_history(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____does_use_history___2-12',
              A),
    lookup_ht(A, k(B, C), D),
    member(E, D),
    E=suspension(_, active, _, _),
    !.
does_use_history(A, B) :-
    E=suspension(C, active, A, B),
    'chr gen_id'(C),
    nb_getval('$chr_store_multi_hash_chr_translate____does_use_history___2-1',
              D),
    insert_ht(D, A, E),
    nb_getval('$chr_store_multi_hash_chr_translate____does_use_history___2-12',
              F),
    insert_ht(F, k(A, B), E).
uses_history(B) :-
    nb_getval('$chr_store_multi_hash_chr_translate____does_use_history___2-1',
              A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _, _),
    !.
uses_history(_) :-
    fail.
novel_production_call(B, C, G, F) :-
    nb_getval('$chr_store_multi_hash_chr_translate____does_use_history___2-12',
              A),
    lookup_ht(A, k(B, C), D),
    member(E, D),
    E=suspension(_, active, _, _),
    !,
    F=G.
novel_production_call(_, _, _, true).
does_use_field(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____does_use_field___2-12',
              A),
    lookup_ht(A, k(B, C), D),
    member(E, D),
    E=suspension(_, active, _, _),
    !.
does_use_field(A, B) :-
    E=suspension(C, active, A, B),
    'chr gen_id'(C),
    nb_getval('$chr_store_multi_hash_chr_translate____does_use_field___2-12',
              D),
    insert_ht(D, k(A, B), E).
uses_field(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____does_use_field___2-12',
              A),
    lookup_ht(A, k(B, C), D),
    member(E, D),
    E=suspension(_, active, _, _),
    !.
uses_field(_, _) :-
    fail.
uses_state(A, B) :-
    uses_state___2__0(A, B, _).
uses_state___2__0(B, C, _) :-
    nb_getval('$chr_store_multi_hash_chr_translate____uses_state___2-12',
              A),
    lookup_ht(A, k(B, C), D),
    member(E, D),
    E=suspension(_, active, _, _),
    !.
uses_state___2__0(B, C, A) :-
    nb_getval('$chr_store_global_ground_chr_translate____used_states_known___0',
              E),
    !,
    A=suspension(D, not_stored_yet, B, C),
    'chr gen_id'(D),
    uses_state___2__0__0__3(E, B, C, A).
uses_state___2__0__0__3([], A, B, C) :-
    uses_state___2__1(A, B, C).
uses_state___2__0__0__3([A|F], C, D, G) :-
    (   A=suspension(_, active, _),
        nb_getval('$chr_store_multi_hash_chr_translate____if_used_state___5-12',
                  B),
        lookup_ht(B, k(C, D), E)
    ->  uses_state___2__0__1__3(E,
                                A,
                                F,
                                C,
                                D,
                                G)
    ;   uses_state___2__0__0__3(F, C, D, G)
    ).
uses_state___2__0__1__3([], _, A, B, C, D) :-
    uses_state___2__0__0__3(A, B, C, D).
uses_state___2__0__1__3([A|P], Q, R, C, E, K) :-
    (   A=suspension(_, active, _, B, D, O, _, N),
        B==C,
        D==E
    ->  ( setarg(2, A, removed),
          ( arg(3, A, F),
            (   var(F)
            ->  nb_getval('$chr_store_global_ground_chr_translate____if_used_state___5',
                          G),
                G=[_|H],
                b_setval('$chr_store_global_ground_chr_translate____if_used_state___5',
                         H),
                (   H=[I|_]
                ->  setarg(3, I, _)
                ;   true
                )
            ;   F=[_, _|H],
                setarg(2, F, H),
                (   H=[I|_]
                ->  setarg(3, I, F)
                ;   true
                )
            )
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____if_used_state___5-12',
                    J),
          delete_ht(J, k(C, E), A)
        ),
        ( arg(2, K, L),
          setarg(2, K, active),
          (   L==not_stored_yet
          ->  nb_getval('$chr_store_multi_hash_chr_translate____uses_state___2-12',
                        M),
              insert_ht(M, k(C, E), K)
          ;   true
          )
        ),
        N=O,
        (   K=suspension(_, active, _, _)
        ->  setarg(2, K, inactive),
            uses_state___2__0__1__3(P,
                                    Q,
                                    R,
                                    C,
                                    E,
                                    K)
        ;   true
        )
    ;   uses_state___2__0__1__3(P,
                                Q,
                                R,
                                C,
                                E,
                                K)
    ).
uses_state___2__0(B, C, A) :-
    A=suspension(D, not_stored_yet, B, C),
    'chr gen_id'(D),
    uses_state___2__1(B, C, A).
uses_state___2__1(D, E, A) :-
    arg(2, A, B),
    setarg(2, A, active),
    (   B==not_stored_yet
    ->  nb_getval('$chr_store_multi_hash_chr_translate____uses_state___2-12',
                  C),
        insert_ht(C, k(D, E), A)
    ;   true
    ).
if_used_state(D, E, I, J, H) :-
    ( nb_getval('$chr_store_global_ground_chr_translate____used_states_known___0',
                A),
      member(B, A),
      B=suspension(_, active, _)
    ),
    (   nb_getval('$chr_store_multi_hash_chr_translate____uses_state___2-12',
                  C),
        lookup_ht(C, k(D, E), F),
        member(G, F),
        G=suspension(_, active, _, _),
        !,
        H=I
    ;   !,
        H=J
    ).
if_used_state(A, B, C, D, E) :-
    G=suspension(F, active, _, A, B, C, D, E),
    'chr gen_id'(F),
    nb_getval('$chr_store_global_ground_chr_translate____if_used_state___5',
              H),
    I=[G|H],
    b_setval('$chr_store_global_ground_chr_translate____if_used_state___5',
             I),
    (   H=[J|_]
    ->  setarg(3, J, I)
    ;   true
    ),
    nb_getval('$chr_store_multi_hash_chr_translate____if_used_state___5-12',
              K),
    insert_ht(K, k(A, B), G).
used_states_known :-
    used_states_known___0__0(_).
used_states_known___0__0(A) :-
    nb_getval('$chr_store_global_ground_chr_translate____if_used_state___5',
              C),
    !,
    A=suspension(B, not_stored_yet, _),
    'chr gen_id'(B),
    used_states_known___0__0__0__1(C, A).
used_states_known___0__0__0__1([], A) :-
    used_states_known___0__1(A).
used_states_known___0__0__0__1([A|S], L) :-
    (   A=suspension(_, active, _, B, C, R, _, Q),
        ( ( ground(B),
            ground(C)
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____uses_state___2-12',
                    D),
          lookup_ht(D, k(B, C), E)
        ),
        member(F, E),
        F=suspension(_, active, _, _)
    ->  ( setarg(2, A, removed),
          ( arg(3, A, G),
            (   var(G)
            ->  nb_getval('$chr_store_global_ground_chr_translate____if_used_state___5',
                          H),
                H=[_|I],
                b_setval('$chr_store_global_ground_chr_translate____if_used_state___5',
                         I),
                (   I=[J|_]
                ->  setarg(3, J, _)
                ;   true
                )
            ;   G=[_, _|I],
                setarg(2, G, I),
                (   I=[J|_]
                ->  setarg(3, J, G)
                ;   true
                )
            )
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____if_used_state___5-12',
                    K),
          delete_ht(K, k(B, C), A)
        ),
        ( arg(2, L, M),
          setarg(2, L, active),
          (   M==not_stored_yet
          ->  nb_getval('$chr_store_global_ground_chr_translate____used_states_known___0',
                        N),
              O=[L|N],
              b_setval('$chr_store_global_ground_chr_translate____used_states_known___0',
                       O),
              (   N=[P|_]
              ->  setarg(3, P, O)
              ;   true
              )
          ;   true
          )
        ),
        Q=R,
        (   L=suspension(_, active, _)
        ->  setarg(2, L, inactive),
            used_states_known___0__0__0__1(S, L)
        ;   true
        )
    ;   used_states_known___0__0__0__1(S, L)
    ).
used_states_known___0__0(A) :-
    A=suspension(B, not_stored_yet, _),
    'chr gen_id'(B),
    used_states_known___0__1(A).
used_states_known___0__1(B) :-
    nb_getval('$chr_store_global_ground_chr_translate____if_used_state___5',
              A),
    !,
    used_states_known___0__1__0__2(A, B).
used_states_known___0__1__0__2([], A) :-
    used_states_known___0__2(A).
used_states_known___0__1__0__2([A|P], I) :-
    (   A=suspension(_, active, _, G, H, _, O, N)
    ->  ( setarg(2, A, removed),
          ( arg(3, A, B),
            (   var(B)
            ->  nb_getval('$chr_store_global_ground_chr_translate____if_used_state___5',
                          C),
                C=[_|D],
                b_setval('$chr_store_global_ground_chr_translate____if_used_state___5',
                         D),
                (   D=[E|_]
                ->  setarg(3, E, _)
                ;   true
                )
            ;   B=[_, _|D],
                setarg(2, B, D),
                (   D=[E|_]
                ->  setarg(3, E, B)
                ;   true
                )
            )
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____if_used_state___5-12',
                    F),
          delete_ht(F, k(G, H), A)
        ),
        ( arg(2, I, J),
          setarg(2, I, active),
          (   J==not_stored_yet
          ->  nb_getval('$chr_store_global_ground_chr_translate____used_states_known___0',
                        K),
              L=[I|K],
              b_setval('$chr_store_global_ground_chr_translate____used_states_known___0',
                       L),
              (   K=[M|_]
              ->  setarg(3, M, L)
              ;   true
              )
          ;   true
          )
        ),
        N=O,
        (   I=suspension(_, active, _)
        ->  setarg(2, I, inactive),
            used_states_known___0__1__0__2(P, I)
        ;   true
        )
    ;   used_states_known___0__1__0__2(P, I)
    ).
used_states_known___0__1(A) :-
    used_states_known___0__2(A).
used_states_known___0__2(A) :-
    arg(2, A, B),
    setarg(2, A, active),
    (   B==not_stored_yet
    ->  nb_getval('$chr_store_global_ground_chr_translate____used_states_known___0',
                  C),
        D=[A|C],
        b_setval('$chr_store_global_ground_chr_translate____used_states_known___0',
                 D),
        (   C=[E|_]
        ->  setarg(3, E, D)
        ;   true
        )
    ;   true
    ).
stored_assertion(A) :-
    D=suspension(B, active, A),
    'chr gen_id'(B),
    nb_getval('$chr_store_multi_hash_chr_translate____stored_assertion___1-1',
              C),
    insert_ht(C, A, D).
never_stored_default(A, B) :-
    never_stored_default___2__0(A, B, _).
never_stored_default___2__0(B, C, A) :-
    nb_getval('$chr_store_global_ground_chr_translate____never_stored_rules___2',
              E),
    !,
    A=suspension(D, not_stored_yet, B, C),
    'chr gen_id'(D),
    never_stored_default___2__0__0__1(E, B, C, A).
never_stored_default___2__0__0__1([], A, B, C) :-
    never_stored_default___2__1(A, B, C).
never_stored_default___2__0__0__1([A|U], D, O, I) :-
    (   A=suspension(_, active, _, B, Q),
        B=[C|S],
        C==D
    ->  ( setarg(2, A, removed),
          arg(3, A, E),
          (   var(E)
          ->  nb_getval('$chr_store_global_ground_chr_translate____never_stored_rules___2',
                        F),
              F=[_|G],
              b_setval('$chr_store_global_ground_chr_translate____never_stored_rules___2',
                       G),
              (   G=[H|_]
              ->  setarg(3, H, _)
              ;   true
              )
          ;   E=[_, _|G],
              setarg(2, E, G),
              (   G=[H|_]
              ->  setarg(3, H, E)
              ;   true
              )
          )
        ),
        ( arg(2, I, J),
          setarg(2, I, active),
          (   J==not_stored_yet
          ->  nb_getval('$chr_store_multi_hash_chr_translate____never_stored_default___2-1',
                        K),
              insert_ht(K, D, I)
          ;   true
          )
        ),
        ( D=L/M,
          functor(N, L, M),
          inc_rule_count(P),
          R=pragma(rule([N], [], true, O), ids([0], []), [], no, P),
          Q=[R|T],
          never_stored_rules(S, T)
        ),
        (   I=suspension(_, active, _, _)
        ->  setarg(2, I, inactive),
            never_stored_default___2__0__0__1(U,
                                              D,
                                              O,
                                              I)
        ;   true
        )
    ;   never_stored_default___2__0__0__1(U, D, O, I)
    ).
never_stored_default___2__0(B, C, A) :-
    A=suspension(D, not_stored_yet, B, C),
    'chr gen_id'(D),
    never_stored_default___2__1(B, C, A).
never_stored_default___2__1(D, _, A) :-
    arg(2, A, B),
    setarg(2, A, active),
    (   B==not_stored_yet
    ->  nb_getval('$chr_store_multi_hash_chr_translate____never_stored_default___2-1',
                  C),
        insert_ht(C, D, A)
    ;   true
    ).
never_stored_rules([], A) :-
    !,
    A=[].
never_stored_rules([B|L], J) :-
    nb_getval('$chr_store_multi_hash_chr_translate____never_stored_default___2-1',
              A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _, H),
    !,
    B=E/F,
    functor(G, E, F),
    inc_rule_count(I),
    K=pragma(rule([G], [], true, H), ids([0], []), [], no, I),
    J=[K|M],
    never_stored_rules(L, M).
never_stored_rules([_|A], B) :-
    !,
    never_stored_rules(A, B).
never_stored_rules(A, B) :-
    D=suspension(C, active, _, A, B),
    'chr gen_id'(C),
    nb_getval('$chr_store_global_ground_chr_translate____never_stored_rules___2',
              E),
    F=[D|E],
    b_setval('$chr_store_global_ground_chr_translate____never_stored_rules___2',
             F),
    (   E=[G|_]
    ->  setarg(3, G, F)
    ;   true
    ).
check_storedness_assertion(B) :-
    nb_getval('$chr_store_multi_hash_chr_translate____stored_assertion___1-1',
              A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _),
    !,
    setarg(2, D, removed),
    nb_getval('$chr_store_multi_hash_chr_translate____stored_assertion___1-1',
              E),
    delete_ht(E, B, D),
    (   is_stored(B)
    ->  true
    ;   chr_warning(assertion_failed,
                    'Constraint ~w is not stored. However, it was asserted to be stored.\n',
                    [B])
    ).
check_storedness_assertion(B) :-
    nb_getval('$chr_store_multi_hash_chr_translate____never_stored_default___2-1',
              A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _, _),
    !,
    (   is_finally_stored(B)
    ->  chr_warning(assertion_failed,
                    'Constraint ~w is stored. However, it was asserted not to be stored.\n',
                    [B])
    ;   is_stored(B)
    ->  chr_warning(assertion_failed,
                    'Constraint ~w is temporarily stored. However, it was asserted not to be stored.\n',
                    [B])
    ;   true
    ).
check_storedness_assertion(A) :-
    (   is_finally_stored(A)
    ->  chr_warning(assertion_failed,
                    'Constraint ~w is stored. However, it was asserted not to be stored.\n',
                    [A])
    ;   is_stored(A)
    ->  chr_warning(assertion_failed,
                    'Constraint ~w is temporarily stored. However, it was asserted not to be stored.\n',
                    [A])
    ;   true
    ).
continuation_occurrence(A, B, C) :-
    F=suspension(D, active, A, B, C),
    'chr gen_id'(D),
    nb_getval('$chr_store_multi_hash_chr_translate____continuation_occurrence___3-12',
              E),
    insert_ht(E, k(A, B), F).
get_success_continuation_occurrence(B, C, F) :-
    nb_getval('$chr_store_multi_hash_chr_translate____continuation_occurrence___3-12',
              A),
    lookup_ht(A, k(B, C), D),
    member(E, D),
    E=suspension(_, active, _, _, G),
    !,
    F=G.
get_success_continuation_occurrence(A, B, _) :-
    chr_error(internal,
              'Success continuation not found for ~w.\n',
              [A:B]).
skip_to_next_id(A, B) :-
    skip_to_next_id___2__0(A, B, _).
skip_to_next_id___2__0(B, C, _) :-
    nb_getval('$chr_store_multi_hash_chr_translate____skip_to_next_id___2-12',
              A),
    lookup_ht(A, k(B, C), D),
    member(E, D),
    E=suspension(_, active, _, _, _),
    !.
skip_to_next_id___2__0(B, C, D) :-
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-12',
              A),
    lookup_ht(A, k(B, C), F),
    !,
    D=suspension(E, not_stored_yet, t, B, C),
    'chr gen_id'(E),
    skip_to_next_id___2__0__0__4(F, B, C, D).
skip_to_next_id___2__0__0__4([], A, B, C) :-
    skip_to_next_id___2__1(A, B, C).
skip_to_next_id___2__0__0__4([A|J], C, E, K) :-
    (   ( A=suspension(_, active, _, _, B, D, G, H, _),
          B==C,
          D==E
        ),
        nb_getval('$chr_store_multi_hash_chr_translate____passive___2-12',
                  F),
        lookup_ht(F, k(G, H), I)
    ->  skip_to_next_id___2__0__1__4(I,
                                     G,
                                     H,
                                     A,
                                     J,
                                     C,
                                     E,
                                     K)
    ;   skip_to_next_id___2__0__0__4(J, C, E, K)
    ).
skip_to_next_id___2__0__1__4([], _, _, _, A, B, C, D) :-
    skip_to_next_id___2__0__0__4(A, B, C, D).
skip_to_next_id___2__0__1__4([A|N], C, E, F, O, L, I, G) :-
    (   A=suspension(_, active, _, B, D),
        ( B==C,
          D==E
        ),
        ( H=t(362, F, A, G),
          '$novel_production'(F, H),
          '$novel_production'(A, H),
          '$novel_production'(G, H)
        ),
        I>1
    ->  '$extend_history'(G, H),
        ( arg(2, G, J),
          setarg(2, G, active),
          (   J==not_stored_yet
          ->  nb_getval('$chr_store_multi_hash_chr_translate____skip_to_next_id___2-12',
                        K),
              insert_ht(K, k(L, I), G)
          ;   true
          )
        ),
        ( M is I-1,
          skip_to_next_id(L, M)
        ),
        (   G=suspension(_, active, _, _, _)
        ->  setarg(2, G, inactive),
            skip_to_next_id___2__0__1__4(N,
                                         C,
                                         E,
                                         F,
                                         O,
                                         L,
                                         I,
                                         G)
        ;   true
        )
    ;   skip_to_next_id___2__0__1__4(N,
                                     C,
                                     E,
                                     F,
                                     O,
                                     L,
                                     I,
                                     G)
    ).
skip_to_next_id___2__0(B, C, A) :-
    A=suspension(D, not_stored_yet, t, B, C),
    'chr gen_id'(D),
    skip_to_next_id___2__1(B, C, A).
skip_to_next_id___2__1(B, C, E) :-
    nb_getval('$chr_store_multi_hash_chr_translate____set_occurrence_code_id___3-12',
              A),
    lookup_ht(A, k(B, C), D),
    !,
    skip_to_next_id___2__1__0__5(D, B, C, E).
skip_to_next_id___2__1__0__5([], A, B, C) :-
    skip_to_next_id___2__2(A, B, C).
skip_to_next_id___2__1__0__5([A|P], C, E, J) :-
    (   ( A=suspension(_, active, B, D, M),
          B==C,
          D==E
        ),
        ( ( ground(C),
            ground(E)
          ),
          nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-125',
                    F),
          lookup_ht(F, k(C, E, propagation), G)
        ),
        member(H, G),
        H=suspension(_, active, _, _, _, _, _, _, _)
    ->  ( setarg(2, A, removed),
          nb_getval('$chr_store_multi_hash_chr_translate____set_occurrence_code_id___3-12',
                    I),
          delete_ht(I, k(C, E), A)
        ),
        ( arg(2, J, K),
          setarg(2, J, active),
          (   K==not_stored_yet
          ->  nb_getval('$chr_store_multi_hash_chr_translate____skip_to_next_id___2-12',
                        L),
              insert_ht(L, k(C, E), J)
          ;   true
          )
        ),
        ( occurrence_code_id(C, E, M),
          N is E+1,
          O is M+1,
          set_occurrence_code_id(C, N, O)
        ),
        (   J=suspension(_, active, _, _, _)
        ->  setarg(2, J, inactive),
            skip_to_next_id___2__1__0__5(P, C, E, J)
        ;   true
        )
    ;   skip_to_next_id___2__1__0__5(P, C, E, J)
    ).
skip_to_next_id___2__1(A, B, C) :-
    skip_to_next_id___2__2(A, B, C).
skip_to_next_id___2__2(D, E, A) :-
    arg(2, A, B),
    setarg(2, A, active),
    (   B==not_stored_yet
    ->  nb_getval('$chr_store_multi_hash_chr_translate____skip_to_next_id___2-12',
                  C),
        insert_ht(C, k(D, E), A)
    ;   true
    ).
should_skip_to_next_id(B, C) :-
    nb_getval('$chr_store_multi_hash_chr_translate____skip_to_next_id___2-12',
              A),
    lookup_ht(A, k(B, C), D),
    member(E, D),
    E=suspension(_, active, _, _, _),
    !.
should_skip_to_next_id(_, _) :-
    fail.
bulk_propagation(B, E, _) :-
    nb_getval('$chr_store_multi_hash_chr_translate____max_occurrence___2-1',
              A),
    lookup_ht(A, B, C),
    member(D, C),
    D=suspension(_, active, _, _, F),
    E>=F,
    !,
    skip_to_next_id(B, E).
bulk_propagation(C, B, A) :-
    A=:=B+1,
    !,
    skip_to_next_id(C, B),
    get_max_occurrence(C, D),
    E is D+1,
    bulk_propagation(C, A, E).
bulk_propagation(B, F, _) :-
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-15',
              A),
    lookup_ht(A, k(B, simplification), C),
    member(D, C),
    D=suspension(_, active, _, _, _, E, _, _, _),
    E=:=F+1,
    !,
    skip_to_next_id(B, F),
    get_max_occurrence(B, G),
    H is G+1,
    bulk_propagation(B, E, H).
bulk_propagation(B, C, G) :-
    nb_getval('$chr_store_multi_hash_chr_translate____continuation_occurrence___3-12',
              A),
    lookup_ht(A, k(B, C), D),
    member(E, D),
    E=suspension(_, active, _, _, F),
    F>C+1,
    !,
    I is min(G, F),
    H is C+1,
    bulk_propagation(B, H, I).
bulk_propagation(A, B, _) :-
    skip_to_next_id(A, B),
    get_max_occurrence(A, C),
    E is C+1,
    D is B+1,
    bulk_propagation(A, D, E).
set_occurrence_code_id(A, B, D) :-
    get_max_occurrence(A, C),
    B>C,
    !,
    occurrence_code_id(A, B, D).
set_occurrence_code_id(B, C, K) :-
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-12',
              A),
    lookup_ht(A, k(B, C), D),
    member(E, D),
    E=suspension(_, active, _, _, _, _, G, H, _),
    nb_getval('$chr_store_multi_hash_chr_translate____passive___2-12', F),
    lookup_ht(F, k(G, H), I),
    member(J, I),
    J=suspension(_, active, _, _, _),
    !,
    occurrence_code_id(B, C, K),
    L is C+1,
    set_occurrence_code_id(B, L, K).
set_occurrence_code_id(B, C, F) :-
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence___5-125',
              A),
    (   (   lookup_ht(A, k(B, C, simplification), D),
            member(E, D),
            E=suspension(_, active, _, _, _, _, _, _, _),
            !,
            occurrence_code_id(B, C, F),
            G is C+1,
            set_occurrence_code_id(B, G, F)
        ;   lookup_ht(A, k(B, C, propagation), H),
            member(I, H),
            I=suspension(_, active, _, _, _, _, _, _, _),
            nb_getval('$chr_store_multi_hash_chr_translate____skip_to_next_id___2-12',
                      J),
            lookup_ht(J, k(B, C), K),
            member(L, K),
            L=suspension(_, active, _, _, _),
            !,
            occurrence_code_id(B, C, F),
            M is C+1,
            N is F+1,
            set_occurrence_code_id(B, M, N)
        )
    ;   lookup_ht(A, k(B, C, propagation), O),
        member(P, O),
        P=suspension(_, active, _, _, _, _, _, _, _),
        !,
        occurrence_code_id(B, C, F),
        Q is C+1,
        set_occurrence_code_id(B, Q, F)
    ).
set_occurrence_code_id(A, B, C) :-
    F=suspension(D, active, A, B, C),
    'chr gen_id'(D),
    nb_getval('$chr_store_multi_hash_chr_translate____set_occurrence_code_id___3-12',
              E),
    insert_ht(E, k(A, B), F).
occurrence_code_id(A, B, C) :-
    F=suspension(D, active, A, B, C),
    'chr gen_id'(D),
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence_code_id___3-12',
              E),
    insert_ht(E, k(A, B), F).
get_occurrence_code_id(B, C, F) :-
    nb_getval('$chr_store_multi_hash_chr_translate____occurrence_code_id___3-12',
              A),
    lookup_ht(A, k(B, C), D),
    member(E, D),
    E=suspension(_, active, _, _, G),
    !,
    F=G.
get_occurrence_code_id(B, A, _) :-
    (   A==0
    ->  true
    ;   format('no occurrence code for ~w!\n', [B:A])
    ).
chr_constants(A) :-
    C=suspension(B, active, _, A),
    'chr gen_id'(B),
    nb_getval('$chr_store_global_ground_chr_translate____chr_constants___1',
              D),
    E=[C|D],
    b_setval('$chr_store_global_ground_chr_translate____chr_constants___1',
             E),
    (   D=[F|_]
    ->  setarg(3, F, E)
    ;   true
    ).
get_chr_constants(C) :-
    nb_getval('$chr_store_global_ground_chr_translate____chr_constants___1',
              A),
    member(B, A),
    B=suspension(_, active, _, D),
    !,
    C=D.
get_chr_constants(A) :-
    chr_warning(internal, 'No constants found for key ~w.\n', [_]),
    A=[].
add_chr_constants_(G) :-
    nb_getval('$chr_store_global_ground_chr_translate____chr_constants___1',
              A),
    member(B, A),
    B=suspension(_, active, _, H),
    !,
    setarg(2, B, removed),
    arg(3, B, C),
    (   var(C)
    ->  nb_getval('$chr_store_global_ground_chr_translate____chr_constants___1',
                  D),
        D=[_|E],
        b_setval('$chr_store_global_ground_chr_translate____chr_constants___1',
                 E),
        (   E=[F|_]
        ->  setarg(3, F, _)
        ;   true
        )
    ;   C=[_, _|E],
        setarg(2, C, E),
        (   E=[F|_]
        ->  setarg(3, F, C)
        ;   true
        )
    ),
    sort([G|H], I),
    chr_constants(I).
add_chr_constants_(A) :-
    chr_constants([A]).
print_chr_constants :-
    print_chr_constants___0__0(_).
print_chr_constants___0__0(A) :-
    nb_getval('$chr_store_global_ground_chr_translate____chr_constants___1',
              C),
    !,
    A=suspension(B, not_stored_yet, _),
    'chr gen_id'(B),
    print_chr_constants___0__0__0__1(C, A).
print_chr_constants___0__0__0__1([], A) :-
    print_chr_constants___0__1(A).
print_chr_constants___0__0__0__1([A|C], D) :-
    (   A=suspension(_, active, _, B)
    ->  format('\t* chr_constants : ~w.\n', [B]),
        print_chr_constants___0__0__0__1(C, D)
    ;   print_chr_constants___0__0__0__1(C, D)
    ).
print_chr_constants___0__0(A) :-
    A=suspension(B, not_stored_yet, _),
    'chr gen_id'(B),
    print_chr_constants___0__1(A).
print_chr_constants___0__1(A) :-
    (   var(A)
    ->  true
    ;   arg(2, A, B),
        setarg(2, A, removed),
        (   B==not_stored_yet
        ->  true
        ;   arg(3, A, C),
            (   var(C)
            ->  nb_getval('$chr_store_global_ground_chr_translate____print_chr_constants___0',
                          D),
                D=[_|E],
                b_setval('$chr_store_global_ground_chr_translate____print_chr_constants___0',
                         E),
                (   E=[F|_]
                ->  setarg(3, F, _)
                ;   true
                )
            ;   C=[_, _|E],
                setarg(2, C, E),
                (   E=[F|_]
                ->  setarg(3, F, C)
                ;   true
                )
            )
        )
    ).
end_of_file.
