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working on completing ATE/ALA for acce and abce

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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Nikolaj Bjorner 2018-01-29 20:32:06 -08:00
parent 3b1810d893
commit 5a2b072ddf
29 changed files with 466 additions and 230 deletions
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19
src/sat/sat_big.h
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@ -27,32 +27,41 @@ namespace sat {
class solver;
class big {
random_gen m_rand;
random_gen& m_rand;
unsigned m_num_vars;
vector<literal_vector> m_dag;
svector<bool> m_roots;
svector<int> m_left, m_right;
literal_vector m_root, m_parent;
bool m_learned;
bool m_binary; // is the BIG produced from binary clauses or hyper-binary resolution?
void init_dfs_num();
struct pframe;
public:
big();
big(random_gen& rand, bool binary);
/**
\brief initialize a BIG from a solver.
*/
void init_big(solver& s, bool learned);
void init(solver& s, bool learned);
void reinit();
/**
\brief initialize a BIG externally by adding implications.
*/
void init_adding_edges(unsigned num_vars);
void init_adding_edges(unsigned num_vars, bool learned);
void add_edge(literal u, literal v);
void done_adding_edges();
void ensure_big(solver& s, bool learned) { if (m_left.empty()) init_big(s, learned); }
void ensure_big(solver& s, bool learned) { if (m_left.empty()) init(s, learned); }
unsigned reduce_tr(solver& s);
// does it include learned binaries?
bool learned() const { return m_learned; }
int get_left(literal l) const { return m_left[l.index()]; }
int get_right(literal l) const { return m_right[l.index()]; }
literal get_parent(literal l) const { return m_parent[l.index()]; }