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Polysat: minor fixes (#5364)

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* update include paths

* bdd fixes

* update/fix some tests

* work around assertion failure when constraint from clause becomes unit

* Remove old code

* use clause_builder

* Verify model when returning SAT

* log

* fix
This commit is contained in:
Jakob Rath 2021-06-22 18:27:18 +02:00 • committed by GitHub
parent 52eb473c63
commit d7b8ea2f7f
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11 changed files with 73 additions and 95 deletions
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5
src/math/polysat/constraint.cpp
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@ -66,7 +66,10 @@ namespace polysat {
for (unsigned l = m_constraints.size(); l-- > lvl; ) {
for (auto const& c : m_constraints[l]) {
LOG_V("Removing constraint: " << show_deref(c));
SASSERT_EQ(c->m_ref_count, 1); // otherwise there is a leftover reference somewhere
if (c->m_ref_count > 2) {
// NOTE: ref count could be two if the constraint was added twice (once as part of clause, and later as unit constraint)
LOG_H1("Expected ref_count 1 or 2, got " << c->m_ref_count << " for " << *c);
}
if (c->dep() && c->dep()->is_leaf()) {
unsigned dep = c->dep()->leaf_value();
SASSERT(m_external_constraints.contains(dep));