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z3str3: check for and re-internalize str.in.re terms

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Murphy Berzish 2019-10-11 11:56:52 -04:00 committed by Nikolaj Bjorner
parent 58bc2bff0b
commit 4fc64ab578
1 changed files with 6 additions and 0 deletions
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6
src/smt/theory_str.cpp
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@ -9926,6 +9926,12 @@ namespace smt {
expr * str = nullptr;
expr * re = nullptr;
u.str.is_in_re(str_in_re, str, re);
if (!ctx.b_internalized(str_in_re)) {
TRACE("str", tout << "regex term " << mk_pp(str_in_re, m) << " not internalized; fixing and continuing" << std::endl;);
ctx.internalize(str_in_re, false);
finalCheckProgressIndicator = true;
continue;
}
lbool current_assignment = ctx.get_assignment(str_in_re);
TRACE("str", tout << "regex term: " << mk_pp(str, m) << " in " << mk_pp(re, m) << " : " << current_assignment << std::endl;);
if (current_assignment == l_undef) {