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fix memory leak, add strengthening

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-09-03 16:56:07 -07:00
parent c39d7c8565
commit c8730daea7
7 changed files with 183 additions and 88 deletions
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9
src/sat/ba_solver.h
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@ -42,8 +42,10 @@ namespace sat {
unsigned m_num_bin_subsumes;
unsigned m_num_clause_subsumes;
unsigned m_num_pb_subsumes;
unsigned m_num_big_strengthenings;
unsigned m_num_cut;
unsigned m_num_gc;
unsigned m_num_overflow;
stats() { reset(); }
void reset() { memset(this, 0, sizeof(*this)); }
};
@ -316,8 +318,7 @@ namespace sat {
bool elim_pure(literal lit);
void unit_strengthen();
void unit_strengthen(big& big, constraint& cs);
void unit_strengthen(big& big, card& c);
void unit_strengthen(big& big, pb& p);
void unit_strengthen(big& big, pb_base& p);
void subsumption(constraint& c1);
void subsumption(card& c1);
void gc_half(char const* _method);
@ -455,10 +456,11 @@ namespace sat {
mutable bool m_overflow;
void reset_active_var_set();
bool test_and_set_active(bool_var v);
void inc_coeff(literal l, unsigned offset);
int64_t get_coeff(bool_var v) const;
uint64_t get_coeff(literal lit) const;
void get_coeff(bool_var v, literal& l, unsigned& c);
wliteral get_wliteral(bool_var v);
unsigned get_abs_coeff(bool_var v) const;
int get_int_coeff(bool_var v) const;
unsigned get_bound() const;
@ -477,6 +479,7 @@ namespace sat {
bool validate_conflict(pb const& p) const;
bool validate_assign(literal_vector const& lits, literal lit);
bool validate_lemma();
bool validate_ineq(ineq const& ineq) const;
bool validate_unit_propagation(card const& c, literal alit) const;
bool validate_unit_propagation(pb const& p, literal alit) const;
bool validate_unit_propagation(pb const& p, literal_vector const& r, literal alit) const;