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fix scope and mus with user-scopes

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2014-08-15 11:29:08 -07:00
parent ee1a1b1135
commit be1cceba34
3 changed files with 15 additions and 5 deletions
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11
src/sat/sat_mus.cpp
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@ -48,6 +48,13 @@ namespace sat {
literal_vector& core = m_core;
literal_vector& mus = m_mus;
core.append(s.get_core());
for (unsigned i = 0; i < core.size(); ++i) {
s.m_user_scope_literals.contains(core[i]);
mus.push_back(core[i]);
core[i] = core.back();
core.pop_back();
--i;
}
while (!core.empty()) {
TRACE("sat",
@ -61,9 +68,10 @@ namespace sat {
literal lit = core.back();
core.pop_back();
unsigned sz = mus.size();
mus.push_back(~lit); // TBD: measure
// mus.push_back(~lit); // TBD: measure
mus.append(core);
lbool is_sat = s.check(mus.size(), mus.c_ptr());
TRACE("sat", tout << "mus: " << mus << "\n";);
mus.resize(sz);
switch (is_sat) {
case l_undef:
@ -83,6 +91,7 @@ namespace sat {
if (new_core.contains(~lit)) {
break;
}
TRACE("sat", tout << "new core: " << new_core << "\n";);
core.reset();
for (unsigned i = 0; i < new_core.size(); ++i) {
literal lit = new_core[i];

4
src/sat/sat_solver.cpp
View file

@ -896,6 +896,9 @@ namespace sat {
for (unsigned i = 0; i < num_lits; ++i)
tout << lits[i] << " ";
tout << "\n";
if (!m_user_scope_literals.empty()) {
tout << "user literals: " << m_user_scope_literals << "\n";
}
m_mc.display(tout);
);
#define _INSERT_LIT(_l_) \
@ -2237,6 +2240,7 @@ namespace sat {
lit = m_user_scope_literal_pool.back();
m_user_scope_literal_pool.pop_back();
}
TRACE("sat", tout << "user_push: " << lit << "\n";);
m_user_scope_literals.push_back(lit);
}