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prep for pragmas

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This commit is contained in:
Nikolaj Bjorner 2022-05-09 11:18:15 -07:00
parent 6670cf0b65
commit dcc01b874a
10 changed files with 124 additions and 78 deletions
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24
src/sat/smt/sat_th.h
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@ -143,15 +143,16 @@ namespace euf {
region& get_region();
sat::status mk_status();
sat::status mk_status(char const* ps = nullptr);
bool add_unit(sat::literal lit);
bool add_units(sat::literal_vector const& lits);
bool add_clause(sat::literal lit) { return add_unit(lit); }
bool add_clause(sat::literal a, sat::literal b);
bool add_clause(sat::literal a, sat::literal b, char const* ps);
bool add_clause(sat::literal a, sat::literal b, sat::literal c);
bool add_clause(sat::literal a, sat::literal b, sat::literal c, sat::literal d);
bool add_clause(sat::literal_vector const& lits) { return add_clause(lits.size(), lits.data()); }
bool add_clause(unsigned n, sat::literal* lits);
bool add_clause(sat::literal_vector const& lits, char const* ps = nullptr) { return add_clause(lits.size(), lits.data(), ps); }
bool add_clause(unsigned n, sat::literal* lits, char const* ps = nullptr);
void add_equiv(sat::literal a, sat::literal b);
void add_equiv_and(sat::literal a, sat::literal_vector const& bs);
@ -213,15 +214,16 @@ namespace euf {
* that retrieve literals on demand.
*/
class th_explain {
sat::literal m_consequent { sat::null_literal }; // literal consequent for propagations
enode_pair m_eq { enode_pair() }; // equality consequent for propagations
sat::literal m_consequent = sat::null_literal; // literal consequent for propagations
enode_pair m_eq = enode_pair(); // equality consequent for propagations
unsigned m_num_literals;
unsigned m_num_eqs;
sat::literal* m_literals;
enode_pair* m_eqs;
static size_t get_obj_size(unsigned num_lits, unsigned num_eqs);
th_explain(unsigned n_lits, sat::literal const* lits, unsigned n_eqs, enode_pair const* eqs, sat::literal c, enode_pair const& eq);
static th_explain* mk(th_euf_solver& th, unsigned n_lits, sat::literal const* lits, unsigned n_eqs, enode_pair const* eqs, sat::literal c, enode* x, enode* y);
char* m_pragma;
static size_t get_obj_size(unsigned num_lits, unsigned num_eqs, char const* pma);
th_explain(unsigned n_lits, sat::literal const* lits, unsigned n_eqs, enode_pair const* eqs, sat::literal c, enode_pair const& eq, char const* pma = nullptr);
static th_explain* mk(th_euf_solver& th, unsigned n_lits, sat::literal const* lits, unsigned n_eqs, enode_pair const* eqs, sat::literal c, enode* x, enode* y, char const* pma = nullptr);
public:
static th_explain* conflict(th_euf_solver& th, sat::literal_vector const& lits, enode_pair_vector const& eqs);
@ -232,8 +234,8 @@ namespace euf {
static th_explain* conflict(th_euf_solver& th, sat::literal lit, euf::enode* x, euf::enode* y);
static th_explain* conflict(th_euf_solver& th, euf::enode* x, euf::enode* y);
static th_explain* propagate(th_euf_solver& th, sat::literal lit, euf::enode* x, euf::enode* y);
static th_explain* propagate(th_euf_solver& th, sat::literal_vector const& lits, enode_pair_vector const& eqs, sat::literal consequent);
static th_explain* propagate(th_euf_solver& th, sat::literal_vector const& lits, enode_pair_vector const& eqs, euf::enode* x, euf::enode* y);
static th_explain* propagate(th_euf_solver& th, sat::literal_vector const& lits, enode_pair_vector const& eqs, sat::literal consequent, char const* pma = nullptr);
static th_explain* propagate(th_euf_solver& th, sat::literal_vector const& lits, enode_pair_vector const& eqs, euf::enode* x, euf::enode* y, char const* pma = nullptr);
sat::ext_constraint_idx to_index() const {
return sat::constraint_base::mem2base(this);
@ -268,6 +270,8 @@ namespace euf {
enode_pair eq_consequent() const { return m_eq; }
char const* get_pragma() const { return *m_pragma ? m_pragma : nullptr; }
};