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fix build, refactor

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This commit is contained in:
Nikolaj Bjorner 2021-02-02 05:26:57 -08:00
parent 3ae4c6e9de
commit 937b61fc88
53 changed files with 145 additions and 127 deletions
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18
src/opt/opt_lns.cpp
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@ -65,6 +65,12 @@ namespace opt {
void lns::setup_assumptions(model_ref& mdl, expr_ref_vector const& asms) {
m_hardened.reset();
m_soft.reset();
std::cout << "disjoint cores: " << m_cores.size() << "\n";
for (auto const& c : m_cores)
std::cout << c.size() << "\n";
m_was_flipped.reset();
m_in_core.reset();
m_cores.reset();
for (expr* a : asms) {
if (mdl->is_true(a))
m_hardened.push_back(a);
@ -118,6 +124,7 @@ namespace opt {
m_hardened.push_back(m.mk_not(soft(i)));
for (unsigned k = i; k + 1 < m_soft.size(); ++k)
m_soft[k] = soft(k + 1);
m_was_flipped.mark(m_hardened.back());
m_soft.pop_back();
--i;
break;
@ -157,9 +164,14 @@ namespace opt {
if (r == l_false) {
expr_ref_vector core(m);
s.get_unsat_core(core);
std::cout << "core size " << core.size() << "\n";
if (core.size() == 4)
std::cout << core << "\n";
bool was_flipped = false;
for (expr* c : core)
was_flipped |= m_was_flipped.is_marked(c);
if (!was_flipped) {
for (expr* c : core)
m_in_core.mark(c, true);
m_cores.push_back(core);
}
}
#endif
return r;

5
src/opt/opt_lns.h
View file

@ -33,6 +33,11 @@ namespace opt {
expr_ref_vector m_soft;
unsigned m_max_conflicts { 1000 };
unsigned m_num_improves { 0 };
vector<expr_ref_vector> m_cores;
expr_mark m_in_core;
expr_mark m_was_flipped;
std::function<void(model_ref& m)> m_update_model;
expr* soft(unsigned i) const { return m_soft[i]; }