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fixing sources for double frees of clauses. #940

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-03-14 19:35:11 -07:00
parent 05c267b8d8
commit 72651e2e98
2 changed files with 5 additions and 2 deletions
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2
src/sat/sat_asymm_branch.cpp
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@ -188,8 +188,8 @@ namespace sat {
case 1: case 1:
TRACE("asymm_branch", tout << "produced unit clause: " << c[0] << "\n";); TRACE("asymm_branch", tout << "produced unit clause: " << c[0] << "\n";);
s.assign(c[0], justification()); s.assign(c[0], justification());
s.del_clause(c);
s.propagate_core(false); s.propagate_core(false);
s.del_clause(c);
SASSERT(s.inconsistent() || s.m_qhead == s.m_trail.size()); SASSERT(s.inconsistent() || s.m_qhead == s.m_trail.size());
return false; // check_missed_propagation() may fail, since m_clauses is not in a consistent state. return false; // check_missed_propagation() may fail, since m_clauses is not in a consistent state.
case 2: case 2:

5
src/sat/sat_simplifier.cpp
View file

@ -279,7 +279,10 @@ namespace sat {
unsigned sz = c.size(); unsigned sz = c.size();
if (sz == 0) { if (sz == 0) {
s.set_conflict(justification()); s.set_conflict(justification());
return; for (; it != end; ++it, ++it2) {
*it2 = *it;
}
break;
} }
if (sz == 1) { if (sz == 1) {
s.assign(c[0], justification()); s.assign(c[0], justification());