mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-10-11 10:18:06 +00:00
Code Activity

adding facility to dump wcnf benchmarks

Browse source 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2015-08-21 07:26:49 -07:00
parent 954e612188
commit a78fc031bc
5 changed files with 88 additions and 10 deletions
Download patch file Download diff file Expand all files Collapse all files

44
src/sat/sat_solver.cpp
View file

@ -2616,6 +2616,50 @@ namespace sat {
}
}
void solver::display_wcnf(std::ostream & out, unsigned sz, literal const* lits, unsigned const* weights) const {
unsigned max_weight = 0;
for (unsigned i = 0; i < sz; ++i) {
max_weight = std::max(max_weight, weights[i]);
}
++max_weight;
out << "p wcnf " << num_vars() << " " << num_clauses() + sz << " " << max_weight << "\n";
for (unsigned i = 0; i < m_trail.size(); i++) {
out << dimacs_lit(m_trail[i]) << " 0\n";
}
vector<watch_list>::const_iterator it = m_watches.begin();
vector<watch_list>::const_iterator end = m_watches.end();
for (unsigned l_idx = 0; it != end; ++it, ++l_idx) {
literal l = ~to_literal(l_idx);
watch_list const & wlist = *it;
watch_list::const_iterator it2 = wlist.begin();
watch_list::const_iterator end2 = wlist.end();
for (; it2 != end2; ++it2) {
if (it2->is_binary_clause() && l.index() < it2->get_literal().index())
out << max_weight << " " << dimacs_lit(l) << " " << dimacs_lit(it2->get_literal()) << " 0\n";
}
}
clause_vector const * vs[2] = { &m_clauses, &m_learned };
for (unsigned i = 0; i < 2; i++) {
clause_vector const & cs = *(vs[i]);
clause_vector::const_iterator it = cs.begin();
clause_vector::const_iterator end = cs.end();
for (; it != end; ++it) {
clause const & c = *(*it);
unsigned sz = c.size();
out << max_weight << " ";
for (unsigned j = 0; j < sz; j++)
out << dimacs_lit(c[j]) << " ";
out << "0\n";
}
}
for (unsigned i = 0; i < sz; ++i) {
out << weights[i] << " " << lits[i] << " 0\n";
}
}
void solver::display_watches(std::ostream & out) const {
vector<watch_list>::const_iterator it = m_watches.begin();
vector<watch_list>::const_iterator end = m_watches.end();