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#6116

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fix unsoundness issue due to book-keeping changes for whether the solver uses assumptions.
This commit is contained in:
Nikolaj Bjorner 2022-08-18 03:58:06 -07:00
parent 1a5503c87b
commit 8e167aa213
1 changed files with 1 additions and 1 deletions
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src/sat/sat_solver.cpp
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@ -2416,7 +2416,7 @@ namespace sat {
m_conflict_lvl = get_max_lvl(m_not_l, m_conflict, unique_max);
justification js = m_conflict;
if (m_conflict_lvl <= 1 && tracking_assumptions()) {
if (m_conflict_lvl <= 1 && (!m_assumptions.empty() || !m_user_scope_literals.empty())) {
TRACE("sat", tout << "unsat core\n";);
resolve_conflict_for_unsat_core();
return l_false;