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fix memory leak in SAT solver exposed by regression tests

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2016-01-06 11:44:55 -08:00
parent da63ac809e
commit aec5a38b14
10 changed files with 82 additions and 30 deletions
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6
src/sat/sat_asymm_branch.cpp
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@ -78,8 +78,12 @@ namespace sat {
clause_vector::iterator end = s.m_clauses.end();
try {
for (; it != end; ++it) {
if (s.inconsistent())
if (s.inconsistent()) {
for (; it != end; ++it, ++it2) {
*it2 = *it;
}
break;
}
SASSERT(s.m_qhead == s.m_trail.size());
if (m_counter < limit || s.inconsistent()) {
*it2 = *it;

1
src/sat/sat_clause.cpp
View file

@ -169,6 +169,7 @@ namespace sat {
#endif
void * mem = m_allocator.allocate(size);
clause * cls = new (mem) clause(m_id_gen.mk(), num_lits, lits, learned);
TRACE("sat", tout << "alloc: " << cls->id() << " " << cls << " " << *cls << " " << (learned?"l":"a") << "\n";);
SASSERT(!learned || cls->is_learned());
return cls;
}

1
src/sat/sat_solver.cpp
View file

@ -461,6 +461,7 @@ namespace sat {
}
void solver::dettach_clause(clause & c) {
TRACE("sat", tout << c.id() << "\n";);
if (c.size() == 3)
dettach_ter_clause(c);
else