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fix #2434

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-07-25 09:40:18 -07:00
parent ca25e482e5
commit e6df7b73aa
1 changed files with 3 additions and 0 deletions
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3
src/smt/theory_seq.cpp
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@ -5552,6 +5552,9 @@ void theory_seq::assign_eh(bool_var v, bool is_true) {
else if (m_util.str.is_lt(e) || m_util.str.is_le(e)) { else if (m_util.str.is_lt(e) || m_util.str.is_le(e)) {
m_lts.push_back(e); m_lts.push_back(e);
} }
else if (is_nth(e)) {
// no-op
}
else { else {
TRACE("seq", tout << mk_pp(e, m) << "\n";); TRACE("seq", tout << mk_pp(e, m) << "\n";);
UNREACHABLE(); UNREACHABLE();