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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2024-03-02 10:15:44 -08:00
parent 8679c08010
commit 657aaf9a0f
2 changed files with 4 additions and 7 deletions
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2
src/ast/sls/bv_sls_eval.cpp
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@ -976,7 +976,7 @@ namespace bv {
bool sls_eval::try_repair_band(bvect const& e, bvval& a, bvval const& b) { bool sls_eval::try_repair_band(bvect const& e, bvval& a, bvval const& b) {
for (unsigned i = 0; i < a.nw; ++i) for (unsigned i = 0; i < a.nw; ++i)
m_tmp[i] = (e[i] & ~a.fixed[i]) | (~b.bits()[i] & ~a.fixed[i] & random_bits()); m_tmp[i] = ~a.fixed[i] & (e[i] | (~b.bits()[i] & random_bits()));
return a.set_repair(random_bool(), m_tmp); return a.set_repair(random_bool(), m_tmp);
} }

9
src/ast/sls/sls_valuation.cpp
View file

@ -347,7 +347,7 @@ namespace bv {
dst.set(i, true); dst.set(i, true);
} }
else { else {
for (unsigned i = 0; !in_range(dst); ++i) for (unsigned i = 0; i < bw && !in_range(dst); ++i)
if (!fixed.get(i) && !dst.get(i)) if (!fixed.get(i) && !dst.get(i))
dst.set(i, true); dst.set(i, true);
for (unsigned i = bw; !in_range(dst) && i-- > 0;) for (unsigned i = bw; !in_range(dst) && i-- > 0;)
@ -431,7 +431,6 @@ namespace bv {
// //
bool sls_valuation::can_set(bvect const& new_bits) const { bool sls_valuation::can_set(bvect const& new_bits) const {
SASSERT(!has_overflow(new_bits)); SASSERT(!has_overflow(new_bits));
// verbose_stream() << "can set " << bw << " " << new_bits[0] << " " << in_range(new_bits) << "\n";
for (unsigned i = 0; i < nw; ++i) for (unsigned i = 0; i < nw; ++i)
if (0 != ((new_bits[i] ^ m_bits[i]) & fixed[i])) if (0 != ((new_bits[i] ^ m_bits[i]) & fixed[i]))
return false; return false;
@ -548,10 +547,8 @@ namespace bv {
set(tmp, m_lo); set(tmp, m_lo);
unsigned max_diff = bw; unsigned max_diff = bw;
for (unsigned i = 0; i < bw; ++i) { for (unsigned i = 0; i < bw; ++i) {
if (fixed.get(i) && (m_bits.get(i) ^ m_lo.get(i))) { if (fixed.get(i) && (m_bits.get(i) ^ m_lo.get(i)))
tmp.set(i, m_bits.get(i)); max_diff = i;
max_diff = i;
}
} }
SASSERT(max_diff != bw); SASSERT(max_diff != bw);