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propagate at the right level

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This commit is contained in:
Jakob Rath 2021-09-08 16:00:57 +02:00
parent 40d62af796
commit f2c79b851f
4 changed files with 23 additions and 18 deletions
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4
src/math/polysat/conflict_core.cpp
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@ -144,17 +144,19 @@ namespace polysat {
auto it = m_saturation_premises.find_iterator(c);
if (it == m_saturation_premises.end())
return;
unsigned active_level = 0;
auto& premises = it->m_value;
clause_builder c_lemma(*m_solver);
for (auto premise : premises) {
handle_saturation_premises(premise);
c_lemma.push_literal(~premise.blit());
active_level = std::max(active_level, m_solver->m_bvars.level(premise.blit()));
}
c_lemma.push_literal(c.blit());
clause* cl = cm().store(c_lemma.build());
if (cl->size() == 1)
c->set_unit_clause(cl);
m_solver->assign_bool(c.blit(), cl, nullptr);
m_solver->propagate_bool_at(active_level, c.blit(), cl);
}
/** Create fallback lemma that excludes the current search state */