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fix #5111

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This commit is contained in:
Nikolaj Bjorner 2021-03-18 18:07:00 -07:00
parent 064b1f0721
commit c05c5caab5
1 changed files with 2 additions and 1 deletions
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3
src/smt/theory_seq.cpp
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@ -1503,7 +1503,7 @@ bool theory_seq::add_length_to_eqc(expr* e) {
expr* o = n->get_expr();
if (!has_length(o)) {
expr_ref len(m_util.str.mk_length(o), m);
enque_axiom(len);
ensure_enode(len);
add_length(o, len);
change = true;
}
@ -3028,6 +3028,7 @@ void theory_seq::relevant_eh(app* n) {
m_util.str.is_from_code(n) ||
m_util.str.is_to_code(n) ||
m_util.str.is_unit(n) ||
m_util.str.is_length(n) ||
m_util.str.is_le(n)) {
enque_axiom(n);
}