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fix partial model tracking over cancellation/exceptions, reported by August Shi. Fix regression test for fp-to-real, reset the pre-processor in inc_sat_solver on exceptions

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2016-03-07 16:42:29 -08:00
parent 4cd1efc50e
commit 5994c5a948
19 changed files with 239 additions and 193 deletions
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11
src/opt/mss.cpp
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@ -73,8 +73,7 @@ namespace opt {
expr* n = core[j];
if (!core_lits.contains(n)) {
core_lits.insert(n);
VERIFY(m_model->eval(n, tmp));
if (m.is_true(tmp)) {
if (m_model->eval(n, tmp) && m.is_true(tmp)) {
add_mss(n);
}
else {
@ -86,8 +85,7 @@ namespace opt {
for (unsigned i = 0; i < literals.size(); ++i) {
expr* n = literals[i];
if (!core_lits.contains(n)) {
VERIFY(m_model->eval(n, tmp));
if (m.is_true(tmp)) {
if (m_model->eval(n, tmp) && m.is_true(tmp)) {
m_mss.push_back(n);
}
else {
@ -130,8 +128,7 @@ namespace opt {
if (m_mcs.contains(n)) {
continue; // remove from cores.
}
VERIFY(m_model->eval(n, tmp));
if (m.is_true(tmp)) {
if (m_model->eval(n, tmp) && m.is_true(tmp)) {
add_mss(n);
}
else {
@ -275,7 +272,7 @@ namespace opt {
expr_ref tmp(m);
for (unsigned i = 0; i < m_mss.size(); ++i) {
expr* n = m_mss[i];
VERIFY(m_model->eval(n, tmp));
if (!m_model->eval(n, tmp)) return true;
CTRACE("opt", !m.is_true(tmp), tout << mk_pp(n, m) << " |-> " << mk_pp(tmp, m) << "\n";);
SASSERT(!m.is_false(tmp));
}