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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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10
src/smt/smt_quantifier.cpp
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@ -396,12 +396,14 @@ namespace smt {
scoped_ptr<model_checker> m_model_checker;
unsigned m_new_enode_qhead;
unsigned m_lazy_matching_idx;
bool m_active;
public:
default_qm_plugin():
m_qm(0),
m_context(0),
m_new_enode_qhead(0),
m_lazy_matching_idx(0) {
m_lazy_matching_idx(0),
m_active(false) {
}
virtual ~default_qm_plugin() {
@ -427,7 +429,7 @@ namespace smt {
virtual bool model_based() const { return m_fparams->m_mbqi; }
virtual bool mbqi_enabled(quantifier *q) const {
virtual bool mbqi_enabled(quantifier *q) const {
if(!m_fparams->m_mbqi_id) return true;
const symbol &s = q->get_qid();
size_t len = strlen(m_fparams->m_mbqi_id);
@ -443,6 +445,7 @@ namespace smt {
*/
virtual void add(quantifier * q) {
if (m_fparams->m_mbqi && mbqi_enabled(q)) {
m_active = true;
m_model_finder->register_quantifier(q);
}
}
@ -475,6 +478,7 @@ namespace smt {
}
virtual void assign_eh(quantifier * q) {
m_active = true;
if (m_fparams->m_ematching) {
bool has_unary_pattern = false;
unsigned num_patterns = q->get_num_patterns();
@ -537,7 +541,7 @@ namespace smt {
}
virtual bool is_shared(enode * n) const {
return (m_mam->is_shared(n) || m_lazy_mam->is_shared(n));
return m_active && (m_mam->is_shared(n) || m_lazy_mam->is_shared(n));
}
virtual void adjust_model(proto_model * m) {