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fix #2449

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-07-31 06:55:10 +08:00
parent e1fd167e01
commit a2b18a37ec
1 changed files with 6 additions and 6 deletions
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12
src/ast/rewriter/arith_rewriter.cpp
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@ -467,15 +467,15 @@ br_status arith_rewriter::mk_le_ge_eq_core(expr * arg1, expr * arg2, op_kind kin
case LE:
result = m().mk_or(
m().mk_and(is_zero, m_util.mk_le(div0, arg2)),
m().mk_and(m_util.mk_gt(e2, zero), m_util.mk_le(e1, mul2)),
m().mk_and(m_util.mk_lt(e2, zero), m_util.mk_ge(e1, mul2)));
return BR_REWRITE2;
m().mk_and(m().mk_not(m_util.mk_le(e2, zero)), m_util.mk_le(e1, mul2)),
m().mk_and(m().mk_not(m_util.mk_ge(e2, zero)), m_util.mk_ge(e1, mul2)));
return BR_REWRITE_FULL;
case GE:
result = m().mk_or(
m().mk_and(is_zero, m_util.mk_ge(div0, arg2)),
m().mk_and(m_util.mk_gt(e2, zero), m_util.mk_ge(e1, mul2)),
m().mk_and(m_util.mk_lt(e2, zero), m_util.mk_le(e1, mul2)));
return BR_REWRITE2;
m().mk_and(m().mk_not(m_util.mk_le(e2, zero)), m_util.mk_ge(e1, mul2)),
m().mk_and(m().mk_not(m_util.mk_ge(e2, zero)), m_util.mk_le(e1, mul2)));
return BR_REWRITE_FULL;
case EQ:
result = m().mk_ite(is_zero, m().mk_eq(div0, arg2), m().mk_eq(e1, mul2));
return BR_REWRITE2;