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fix; disable rewrite. fix #2715

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-11-18 12:23:03 -08:00
parent fe0b3d6648
commit 215edcf888
1 changed files with 4 additions and 0 deletions
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4
src/ast/rewriter/arith_rewriter.cpp
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@ -814,6 +814,7 @@ br_status arith_rewriter::mk_div_core(expr * arg1, expr * arg2, expr_ref & resul
}
}
#if 0
if (!m_util.is_int(arg1)) {
// (/ (* v1 b) (* v2 d)) --> (* v1/v2 (/ b d))
expr * a, * b, * c, * d;
@ -836,9 +837,12 @@ br_status arith_rewriter::mk_div_core(expr * arg1, expr * arg2, expr_ref & resul
v1 /= v2;
result = m_util.mk_mul(m_util.mk_numeral(v1, false),
m_util.mk_div(b, d));
expr_ref z(m_util.mk_real(0), m());
result = m().mk_ite(m().mk_eq(d, z), m_util.mk_div(arg1, z), result);
return BR_REWRITE2;
}
}
#endif
return BR_FAILED;
}