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be a bit more graceful in failing validation #3883

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-04-09 11:38:06 -07:00
parent def2de69f4
commit f04dfa71a6
1 changed files with 4 additions and 0 deletions
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4
src/smt/theory_seq.cpp
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@ -4585,6 +4585,10 @@ expr_ref theory_seq::elim_skolem(expr* e) {
todo.pop_back(); todo.pop_back();
continue; continue;
} }
else if (m_util.is_skolem(a)) {
IF_VERBOSE(0, verbose_stream() << "unhandled skolem " << mk_pp(a, m) << "\n");
return expr_ref(m.mk_false(), m);
}
args.reset(); args.reset();
for (expr* arg : *to_app(a)) { for (expr* arg : *to_app(a)) {