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add shortcut filter to avoid traversing model reconstruction trail if there are no intersections with model

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Nikolaj Bjorner 2023-01-31 13:34:52 -08:00
parent 6d8d8f1971
commit 8495be11f9
3 changed files with 43 additions and 10 deletions
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16
src/ast/simplifiers/model_reconstruction_trail.cpp
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@ -22,20 +22,26 @@ Author:
// accumulate a set of dependent exprs, updating m_trail to exclude loose
// substitutions that use variables from the dependent expressions.
// TODO: add filters to skip sections of the trail that do not touch the current free variables.
void model_reconstruction_trail::replay(unsigned qhead, expr_ref_vector& assumptions, dependent_expr_state& st) {
TRACE("simplifier",
for (unsigned i = qhead; i < st.qtail(); ++i)
tout << mk_bounded_pp(st[i].fml(), m) << "\n";
);
ast_mark free_vars;
m_intersects_with_model = false;
scoped_ptr<expr_replacer> rp = mk_default_expr_replacer(m, false);
for (unsigned i = qhead; i < st.qtail(); ++i)
add_vars(st[i], free_vars);
for (expr* a : assumptions)
add_vars(a, free_vars);
TRACE("simplifier",
tout << "intersects " << m_intersects_with_model << "\n";
for (unsigned i = qhead; i < st.qtail(); ++i)
tout << mk_bounded_pp(st[i].fml(), m) << "\n";
);
if (!m_intersects_with_model)
return;
for (auto& t : m_trail) {
TRACE("simplifier", tout << " active " << t->m_active << " hide " << t->is_hide() << " intersects " << t->intersects(free_vars) << "\n");
if (!t->m_active)