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fixes to trim

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2022-10-05 04:32:00 +02:00
parent c1c659dc93
commit f8ca692dee
2 changed files with 85 additions and 92 deletions
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11
src/sat/sat_proof_trim.h
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@ -35,6 +35,7 @@ namespace sat {
uint_set m_in_coi;
vector<std::tuple<literal_vector, clause*, bool, bool>> m_trail;
struct hash {
unsigned operator()(literal_vector const& v) const {
return string_hash((char const*)v.begin(), v.size()*sizeof(literal), 3);
@ -47,17 +48,21 @@ namespace sat {
};
map<literal_vector, clause_vector, hash, eq> m_clauses;
hashtable<literal_vector, hash, eq> m_core_literals;
void del(literal_vector const& cl, clause* cp);
bool match_clause(literal_vector const& cl, literal l1, literal l2) const;
bool match_clause(literal_vector const& cl, literal l1, literal l2, literal l3) const;
void prune_trail(literal_vector const& cl, clause* cp);
void conflict_analysis_core(unsigned init_sz, vector<literal_vector>& clauses);
void add_core(literal l, justification j, vector<literal_vector>& clauses);
void conflict_analysis_core(literal_vector const& cl, clause* cp);
void add_core(literal l, justification j);
bool in_core(literal_vector const& cl, clause* cp) const;
void revive(literal_vector const& cl, clause* cp);
clause* del(literal_vector const& cl);
void save(literal_vector const& lits, clause* cl);
public:
@ -73,7 +78,7 @@ namespace sat {
void infer();
void updt_params(params_ref const& p) { s.updt_params(p); }
void trim();
vector<literal_vector> trim();
};
}