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Fix memory smash on double free of clauses

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Signed-off-by: nikolajbjorner <nbjorner@microsoft.com>
This commit is contained in:
nikolajbjorner 2015-02-23 10:28:32 -08:00
parent a96a9a076d
commit 0d9f949ab2
6 changed files with 32 additions and 1 deletions
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5
src/sat/sat_elim_eqs.cpp
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@ -128,6 +128,11 @@ namespace sat {
if (j == 0) {
// empty clause
m_solver.set_conflict(justification());
for (; it != end; ++it) {
*it2 = *it;
it2++;
}
cs.set_end(it2);
return;
}
TRACE("elim_eqs", tout << "after removing duplicates: " << c << " j: " << j << "\n";);