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turn on ite simplification by default

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This commit is contained in:
Nikolaj Bjorner 2025-03-26 11:30:08 -07:00
parent 8368094618
commit e86a918ae7
3 changed files with 3 additions and 8 deletions
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9
src/ast/rewriter/bool_rewriter.cpp
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@ -34,7 +34,6 @@ void bool_rewriter::updt_params(params_ref const & _p) {
m_blast_distinct = p.blast_distinct();
m_blast_distinct_threshold = p.blast_distinct_threshold();
m_ite_extra_rules = p.ite_extra_rules();
m_elim_ite_value_tree = p.elim_ite_value_tree();
}
void bool_rewriter::get_param_descrs(param_descrs & r) {
@ -681,11 +680,9 @@ br_status bool_rewriter::try_ite_value(app * ite, app * val, expr_ref & result)
return BR_REWRITE2;
}
if (m_elim_ite_value_tree) {
result = simplify_eq_ite(val, ite);
if (result)
return BR_REWRITE_FULL;
}
result = simplify_eq_ite(val, ite);
if (result)
return BR_REWRITE_FULL;
return BR_FAILED;
}

1
src/ast/rewriter/bool_rewriter.h
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@ -61,7 +61,6 @@ class bool_rewriter {
unsigned m_local_ctx_limit;
unsigned m_local_ctx_cost;
bool m_elim_ite;
bool m_elim_ite_value_tree;
ptr_vector<expr> m_todo1, m_todo2;
unsigned_vector m_counts1, m_counts2;
expr_fast_mark1 m_marked;

1
src/params/bool_rewriter_params.pyg
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@ -7,7 +7,6 @@ def_module_params(module_name='rewriter',
("sort_disjunctions", BOOL, True, "sort subterms in disjunctions"),
("elim_and", BOOL, False, "conjunctions are rewritten using negation and disjunctions"),
('elim_ite', BOOL, True, "eliminate ite in favor of and/or"),
('elim_ite_value_tree', BOOL, False, "eliminate equations 'v = ite(...)' where v is a value and each leaf in the ite tree is a value"),
("local_ctx", BOOL, False, "perform local (i.e., cheap) context simplifications"),
("local_ctx_limit", UINT, UINT_MAX, "limit for applying local context simplifier"),
("blast_distinct", BOOL, False, "expand a distinct predicate into a quadratic number of disequalities"),