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bug fixes

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-05-22 12:52:53 -07:00
parent d1fec7c029
commit 71eb7e81b5
2 changed files with 18 additions and 20 deletions
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8
src/ast/rewriter/pb2bv_rewriter.cpp
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@ -423,6 +423,7 @@ struct pb2bv_rewriter::imp {
vector<rational> coeffs(m_coeffs);
result = m.mk_true();
expr_ref_vector carry(m), new_carry(m);
m_base.push_back(bound + rational::one());
for (rational b_i : m_base) {
unsigned B = b_i.get_unsigned();
unsigned d_i = (bound % b_i).get_unsigned();
@ -454,14 +455,11 @@ struct pb2bv_rewriter::imp {
carry.reset();
carry.append(new_carry);
}
if (!carry.empty()) {
result = m.mk_or(result, carry[0].get());
}
TRACE("pb", tout << "Carry: " << carry << " result: " << result << "\n";);
TRACE("pb", tout << "bound: " << bound << " Carry: " << carry << " result: " << result << "\n";);
return true;
}
expr_ref mk_and(expr_ref& a, expr_ref& b) {
expr_ref mk_and(expr_ref& a, expr_ref& b) {
if (m.is_true(a)) return b;
if (m.is_true(b)) return a;
if (m.is_false(a)) return a;