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fix typo introducing unsoundness

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-10-11 09:20:56 -07:00
parent ca7d066c4e
commit 58bc2bff0b
1 changed files with 2 additions and 2 deletions
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4
src/ast/rewriter/arith_rewriter.cpp
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@ -487,14 +487,14 @@ br_status arith_rewriter::mk_le_ge_eq_core(expr * arg1, expr * arg2, op_kind kin
if (m().is_ite(arg1, c, t, e) && is_numeral(t, a1) && is_numeral(arg2, a2)) {
switch (kind) {
case LE: result = a1 <= a2 ? m().mk_or(c, m_util.mk_le(e, arg2)) : m().mk_and(m().mk_not(c), m_util.mk_le(e, arg2)); return BR_REWRITE2;
case GE: result = a1 >= a1 ? m().mk_or(c, m_util.mk_ge(e, arg2)) : m().mk_and(m().mk_not(c), m_util.mk_ge(e, arg2)); return BR_REWRITE2;
case GE: result = a1 >= a2 ? m().mk_or(c, m_util.mk_ge(e, arg2)) : m().mk_and(m().mk_not(c), m_util.mk_ge(e, arg2)); return BR_REWRITE2;
case EQ: result = a1 == a2 ? m().mk_or(c, m().mk_eq(e, arg2)) : m().mk_and(m().mk_not(c), m_util.mk_eq(e, arg2)); return BR_REWRITE2;
}
}
if (m().is_ite(arg1, c, t, e) && is_numeral(e, a1) && is_numeral(arg2, a2)) {
switch (kind) {
case LE: result = a1 <= a2 ? m().mk_or(m().mk_not(c), m_util.mk_le(t, arg2)) : m().mk_and(c, m_util.mk_le(t, arg2)); return BR_REWRITE2;
case GE: result = a1 >= a1 ? m().mk_or(m().mk_not(c), m_util.mk_ge(t, arg2)) : m().mk_and(c, m_util.mk_ge(t, arg2)); return BR_REWRITE2;
case GE: result = a1 >= a2 ? m().mk_or(m().mk_not(c), m_util.mk_ge(t, arg2)) : m().mk_and(c, m_util.mk_ge(t, arg2)); return BR_REWRITE2;
case EQ: result = a1 == a2 ? m().mk_or(m().mk_not(c), m().mk_eq(t, arg2)) : m().mk_and(c, m_util.mk_eq(t, arg2)); return BR_REWRITE2;
}
}