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use recursive function for not-contains

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2026-03-23 13:18:34 -07:00
parent ced7952a7b
commit dbdccbff97
4 changed files with 40 additions and 17 deletions
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3
src/smt/seq_model.cpp
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@ -308,12 +308,11 @@ namespace smt {
// We checked non-emptiness during Nielsen already
lbool wr = m_rewriter.some_seq_in_re(re_expr, witness);
if (wr == l_true && witness) {
// std::cout << "Witness for " << mk_pp(var->get_expr(), m) << " in " <<
// mk_pp(re_expr, m) << ": " << mk_pp(witness, m) << std::endl;
m_trail.push_back(witness);
m_factory->register_value(witness);
return witness;
}
IF_VERBOSE(1, verbose_stream() << "witness extraction failed: " << wr << "\n" << mk_pp(re_expr, m) << "\n");
UNREACHABLE();
}

2
src/smt/theory_nseq.cpp
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@ -246,7 +246,7 @@ namespace smt {
if (is_true)
m_axioms.contains_true_axiom(e);
else
m_axioms.unroll_not_contains(e);
m_axioms.not_contains_axiom(e);
}
else if (m_seq.str.is_lt(e) || m_seq.str.is_le(e)) {
// axioms added via relevant_eh → dequeue_axiom