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fix bug in rational.is_int32, it recognized rationals; fix bug reported by Anvesh for integer arithmetic

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2013-12-31 15:59:56 -08:00
parent 0d6220f383
commit 81f1f7690d
2 changed files with 2 additions and 1 deletions
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1
src/tactic/arith/lia2pb_tactic.cpp
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@ -71,6 +71,7 @@ class lia2pb_tactic : public tactic {
if (m_bm.has_lower(n, l, s) &&
m_bm.has_upper(n, u, s) &&
l.is_zero() &&
!u.is_neg() &&
u.get_num_bits() <= m_max_bits) {
return true;