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z3str3: fail early on non-string sequence terms

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Murphy Berzish 2019-09-30 16:27:42 -04:00 • committed by Nikolaj Bjorner
parent d70b63c8ac
commit fe7a7fe23f
1 changed files with 4 additions and 0 deletions
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4
src/smt/theory_str.cpp
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@ -8483,6 +8483,10 @@ namespace smt {
}
}
} else {
if (u.str.is_non_string_sequence(ex)) {
TRACE("str", tout << "ERROR: Z3str3 does not support non-string sequence terms. Aborting." << std::endl;);
m.raise_exception("Z3str3 does not support non-string sequence terms.");
}
TRACE("str", tout << "setting up axioms for " << mk_ismt2_pp(ex, get_manager()) <<
": expr is of wrong sort, ignoring" << std::endl;);
}