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avoid access to invalid m_length

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-10-06 10:58:25 -07:00
parent a1cb3a21f6
commit b53f66bf2f
1 changed files with 1 additions and 3 deletions
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4
src/smt/theory_seq.cpp
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@ -1904,7 +1904,6 @@ bool theory_seq::check_length_coherence() {
return true; return true;
} }
} }
bool change = false;
for (expr* l : m_length) { for (expr* l : m_length) {
expr* e = nullptr; expr* e = nullptr;
VERIFY(m_util.str.is_length(l, e)); VERIFY(m_util.str.is_length(l, e));
@ -1912,10 +1911,9 @@ bool theory_seq::check_length_coherence() {
return true; return true;
} }
if (add_length_to_eqc(e)) { if (add_length_to_eqc(e)) {
change = true; return true;
} }
} }
return change;
} }
bool theory_seq::fixed_length(bool is_zero) { bool theory_seq::fixed_length(bool is_zero) {