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fix #5381

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This commit is contained in:
Nikolaj Bjorner 2021-07-07 16:51:06 +02:00
parent 29c6d42380
commit 897cbf347b
3 changed files with 52 additions and 3 deletions
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3
src/ast/rewriter/seq_eq_solver.cpp
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@ -148,6 +148,7 @@ namespace seq {
expr_ref_vector const* _es = nullptr;
if (!match_itos3(e, n, _es))
return false;
expr_ref_vector const& es = *_es;
if (es.empty()) {
@ -183,6 +184,8 @@ namespace seq {
expr_ref digit = m_ax.sk().mk_digit2int(u);
add_consequence(m_ax.mk_ge(digit, 1));
}
expr_ref y(seq.str.mk_concat(e.rs, e.ls[0]->get_sort()), m);
ctx.add_solution(e.ls[0], y);
return true;
}