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reset max unfolding literal on backtrack

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-11-29 21:04:43 -08:00
parent e72df22e49
commit 3db73e442c
1 changed files with 1 additions and 0 deletions
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src/smt/theory_seq.cpp
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@ -5550,6 +5550,7 @@ void theory_seq::add_theory_assumptions(expr_ref_vector & assumptions) {
if (m_util.has_re()) {
expr_ref dlimit(m);
dlimit = mk_max_unfolding_depth();
m_trail_stack.push(value_trail<theory_seq, literal>(m_max_unfolding_lit));
m_max_unfolding_lit = mk_literal(dlimit);
assumptions.push_back(dlimit);
}