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fix #5320

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This commit is contained in:
Nikolaj Bjorner 2021-05-31 10:18:27 -07:00
parent 83e2e7200c
commit 50cf321171
1 changed files with 2 additions and 0 deletions
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2
src/ast/rewriter/arith_rewriter.cpp
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@ -184,6 +184,8 @@ bool arith_rewriter::is_bound(expr * arg1, expr * arg2, op_kind kind, expr_ref &
kind = inv(kind); kind = inv(kind);
r = true; r = true;
} }
if (a.is_zero())
return false;
if (!a.is_one()) if (!a.is_one())
r = true; r = true;
if (!r) if (!r)