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fix #4447, or mask it

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-06-03 19:32:05 -07:00
parent af90992858
commit 743573aac5
3 changed files with 14 additions and 21 deletions
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5
src/smt/theory_seq.cpp
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@ -507,8 +507,6 @@ bool theory_seq::fixed_length(expr* len_e, bool is_zero) {
m_fixed.contains(e)) {
return false;
}
m_trail_stack.push(insert_obj_trail<theory_seq, expr>(m_fixed, e));
m_fixed.insert(e);
@ -520,8 +518,7 @@ bool theory_seq::fixed_length(expr* len_e, bool is_zero) {
}
else if (!is_zero) {
unsigned _lo = lo.get_unsigned();
expr_ref_vector elems(m);
expr_ref_vector elems(m);
for (unsigned j = 0; j < _lo; ++j) {
m_sk.decompose(seq, head, tail);
elems.push_back(head);