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fix #1458

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-02-04 20:54:21 -08:00
parent caaaa23438
commit 885dfad237
1 changed files with 4 additions and 1 deletions
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5
src/sat/sat_solver.cpp
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@ -2715,6 +2715,7 @@ namespace sat {
void solver::user_pop(unsigned num_scopes) { void solver::user_pop(unsigned num_scopes) {
pop_to_base_level(); pop_to_base_level();
TRACE("sat", display(tout););
while (num_scopes > 0) { while (num_scopes > 0) {
literal lit = m_user_scope_literals.back(); literal lit = m_user_scope_literals.back();
m_user_scope_literals.pop_back(); m_user_scope_literals.pop_back();
@ -2734,8 +2735,10 @@ namespace sat {
break; break;
} }
} }
gc_var(lit.var()); gc_var(lit.var());
} }
m_qhead = 0;
propagate(false);
} }
void solver::pop_to_base_level() { void solver::pop_to_base_level() {