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Activate constraints when their boolean literal is propagated

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This commit is contained in:
Jakob Rath 2021-09-08 13:56:15 +02:00
parent 3f15bf5963
commit 05b846a472
3 changed files with 30 additions and 67 deletions
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7
src/math/polysat/conflict_core.cpp
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@ -118,17 +118,14 @@ namespace polysat {
auto& premises = it->m_value;
clause_builder c_lemma(*m_solver);
for (auto premise : premises) {
handle_saturation_premises(c);
handle_saturation_premises(premise);
c_lemma.push_literal(~premise.blit());
}
c_lemma.push_literal(c.blit());
clause* cl = cm().store(c_lemma.build());
if (cl->size() == 1)
c->set_unit_clause(cl);
// TODO: this should be backtrackable (unless clause is unit).
// => add at the end and update pop_levels to replay appropriately
m_solver->assign_bool_backtrackable(c.blit(), cl, nullptr);
m_solver->activate_constraint(c);
m_solver->assign_bool(c.blit(), cl, nullptr);
}
/** Create fallback lemma that excludes the current search state */