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z3str3: pass correct subterm to negative regex model construction

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Murphy Berzish 2020-02-09 12:52:57 -05:00 • committed by Nikolaj Bjorner
parent fd3c3a2599
commit 524434cfbb
1 changed files with 1 additions and 1 deletions
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src/smt/theory_str_mc.cpp
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@ -906,7 +906,7 @@ namespace smt {
} else if (u.str.is_in_re(subterm)) {
TRACE("str_fl", tout << "reduce negative regex membership: " << mk_pp(f, m) << std::endl;);
expr_ref cex_clause(m);
expr_ref re(f, m);
expr_ref re(subterm, m);
if (!fixed_length_reduce_regex_membership(subsolver, re, cex_clause, false)) {
assert_axiom(cex_clause);
add_persisted_axiom(cex_clause);