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fix #6314

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2022-09-04 16:22:11 -07:00
parent b49ffb8a87
commit 616fc2cbd5
1 changed files with 1 additions and 1 deletions
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2
src/solver/assertions/asserted_formulas.cpp
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@ -732,7 +732,7 @@ void asserted_formulas::bv_size_reduce_fn::simplify(justified_expr const& j, exp
auto check_reduce = [&](expr* a, expr* b) {
if (bv.is_extract(a, lo, hi, x) && lo > 0 && hi + 1 == bv.get_bv_size(x) && bv.is_numeral(b, r) && r == 0) {
// insert x -> x[0,lo-1] ++ n into sub
new_term = bv.mk_concat(bv.mk_extract(lo - 1, 0, x), b);
new_term = bv.mk_concat(b, bv.mk_extract(lo - 1, 0, x));
m_sub.insert(x, new_term);
n = j.get_fml();
return true;