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fix double ownership of enode marking causing crash during tracing. Issue #952

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-03-23 11:09:36 -07:00
parent e47e8c67c0
commit 1ab7ab9d74
3 changed files with 5 additions and 4 deletions
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6
src/smt/smt_conflict_resolution.cpp
View file

@ -59,9 +59,9 @@ namespace smt {
SASSERT(n->trans_reaches(n->get_root()));
while (n) {
if (Set)
n->set_mark();
n->set_mark2();
else
n->unset_mark();
n->unset_mark2();
n = n->m_trans.m_target;
}
}
@ -84,7 +84,7 @@ namespace smt {
mark_enodes_in_trans<true>(n1);
while (true) {
SASSERT(n2);
if (n2->is_marked()) {
if (n2->is_marked2()) {
mark_enodes_in_trans<false>(n1);
return n2;
}

1
src/smt/smt_context.cpp
View file

@ -4214,6 +4214,7 @@ namespace smt {
for (unsigned i = 0; i < m_asserted_formulas.get_num_formulas(); ++i) {
expr* e = m_asserted_formulas.get_formula(i);
if (is_quantifier(e)) {
TRACE("context", tout << mk_pp(e, m) << "\n";);
quantifier* q = to_quantifier(e);
if (!m.is_rec_fun_def(q)) continue;
SASSERT(q->get_num_patterns() == 1);