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fix crashes in nlsat

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-12-14 17:24:13 -08:00
parent ab39f06df7
commit 1c3d385c25
1 changed files with 1 additions and 1 deletions
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src/nlsat/nlsat_solver.cpp
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@ -734,7 +734,7 @@ namespace nlsat {
void undo_set_updt(interval_set * old_set) {
SASSERT(m_xk != null_var);
var x = m_xk;
if (x < m_infeasible.size() && m_infeasible[x]) {
if (x < m_infeasible.size()) {
m_ism.dec_ref(m_infeasible[x]);
m_infeasible[x] = old_set;
}