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try qx

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2014-10-04 19:50:42 -07:00
parent 2bf0b5f33f
commit db20b2502d
11 changed files with 338 additions and 92 deletions
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22
src/sat/sat_mus.h
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@ -26,6 +26,8 @@ namespace sat {
bool m_is_active;
model m_model; // model obtained during minimal unsat core
double m_best_value;
unsigned m_restart;
unsigned m_max_restarts;
solver& s;
@ -38,10 +40,30 @@ namespace sat {
private:
lbool mus1();
lbool mus2();
lbool qx(literal_set& assignment, literal_set& support, bool has_support);
void mr();
void reset();
void set_core();
void update_model();
literal_vector & get_core();
void verify_core(literal_vector const& lits);
void split(literal_set& src, literal_set& dst);
void intersect(literal_set& dst, literal_set const& src);
void unsplit(literal_set& A, literal_set& B);
class scoped_append {
unsigned m_size;
literal_vector& m_lits;
public:
scoped_append(literal_vector& lits, literal_vector const& other):
m_size(lits.size()),
m_lits(lits) {
m_lits.append(other);
}
~scoped_append() {
m_lits.resize(m_size);
}
};
};
};