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fix unsound rewrite

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-08-02 01:14:31 +08:00
parent 0a29002c2f
commit 9d6728aa71
1 changed files with 1 additions and 1 deletions
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2
src/ast/rewriter/seq_rewriter.cpp
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@ -960,7 +960,7 @@ br_status seq_rewriter::mk_seq_at(expr* a, expr* b, expr_ref& result) {
result = m_util.str.mk_empty(m().get_sort(a)); result = m_util.str.mk_empty(m().get_sort(a));
} }
else { else {
result = a2; result = a;
} }
return BR_DONE; return BR_DONE;
} }