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testing inc_sat

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2014-07-31 22:29:47 -07:00
parent 365f05b41a
commit 39414d8b8d
9 changed files with 200 additions and 95 deletions
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9
src/opt/mus.cpp
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@ -98,6 +98,7 @@ struct mus::imp {
}
lbool get_mus(unsigned_vector& mus) {
// SASSERT: mus does not have duplicates.
TRACE("opt",
for (unsigned i = 0; i < m_cls2lits.size(); ++i) {
display_vec(tout, m_cls2lits[i]);
@ -107,12 +108,16 @@ struct mus::imp {
for (unsigned i = 0; i < m_cls2expr.size(); ++i) {
core.push_back(i);
}
if (core.size() == 1) {
mus.push_back(core.back());
return l_true;
}
mus.reset();
expr_ref_vector assumptions(m);
svector<bool> model;
ptr_vector<expr> core_exprs;
model.resize(m_vars.size());
while (!core.empty()) {
while (!core.empty()) {
IF_VERBOSE(1, verbose_stream() << "(opt.mus reducing core: " << core.size() << " new core: " << mus.size() << ")\n";);
unsigned cls_id = core.back();
TRACE("opt",
@ -160,6 +165,7 @@ struct mus::imp {
break;
}
}
#if 0
DEBUG_CODE(
assumptions.reset();
for (unsigned i = 0; i < mus.size(); ++i) {
@ -168,6 +174,7 @@ struct mus::imp {
lbool is_sat = m_s->check_sat(assumptions.size(), assumptions.c_ptr());
SASSERT(is_sat == l_false);
);
#endif
return l_true;
}