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merge

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2021-09-10 15:43:36 +02:00
commit af0e4d402b
4 changed files with 78 additions and 16 deletions
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5
src/math/polysat/conflict_core.cpp
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@ -80,7 +80,7 @@ namespace polysat {
void conflict_core::insert(signed_constraint c) {
SASSERT(!empty()); // should use set() to enter conflict state
LOG("inserting:" << c);
LOG("inserting: " << c);
// Skip trivial constraints
// (e.g., constant ones such as "4 > 1"... only true ones should appear, otherwise the lemma would be a tautology)
if (c.is_always_true())
@ -156,7 +156,10 @@ namespace polysat {
auto& premises = it->m_value;
clause_builder c_lemma(*m_solver);
for (auto premise : premises) {
cm().ensure_bvar(premise.get());
// keep(premise);
handle_saturation_premises(premise);
SASSERT(premise->has_bvar());
c_lemma.push(~premise.blit());
active_level = std::max(active_level, m_solver->m_bvars.level(premise.blit()));
}