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minor fixes

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- ensure mk_extract performs simplification to distribute over extract and removing extract if the range is the entire bit-vector
- ensure bool_rewriter simplifeis disjunctions when applicable.
This commit is contained in:
Nikolaj Bjorner 2022-11-02 08:44:55 -07:00
parent 9fc4015c46
commit 1646a41b2f
9 changed files with 24 additions and 18 deletions
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4
src/ast/euf/euf_egraph.cpp
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@ -904,6 +904,10 @@ template void euf::egraph::explain_todo(ptr_vector<size_t>& justifications, cc_j
template void euf::egraph::explain_eq(ptr_vector<size_t>& justifications, cc_justification*, enode* a, enode* b);
template unsigned euf::egraph::explain_diseq(ptr_vector<size_t>& justifications, cc_justification*, enode* a, enode* b);
template void euf::egraph::explain(ptr_vector<expr_dependency>& justifications, cc_justification*);
template void euf::egraph::explain_todo(ptr_vector<expr_dependency>& justifications, cc_justification*);
template void euf::egraph::explain_eq(ptr_vector<expr_dependency>& justifications, cc_justification*, enode* a, enode* b);
template unsigned euf::egraph::explain_diseq(ptr_vector<expr_dependency>& justifications, cc_justification*, enode* a, enode* b);
#if 0

2
src/ast/euf/euf_etable.cpp
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@ -201,8 +201,6 @@ namespace euf {
enode_bool_pair etable::insert(enode * n) {
// it doesn't make sense to insert a constant.
SASSERT(n->num_args() > 0);
SASSERT(!m_manager.is_and(n->get_expr()));
SASSERT(!m_manager.is_or(n->get_expr()));
enode * n_prime;
void * t = get_table(n);
switch (static_cast<table_kind>(GET_TAG(t))) {