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check with cube and clause

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-05-27 16:54:15 -07:00 • committed by Arie Gurfinkel
parent af57db0413
commit b73aa3642a
10 changed files with 202 additions and 108 deletions
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16
src/smt/smt_context.h
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@ -168,6 +168,8 @@ namespace smt {
expr_ref_vector m_units_to_reassert;
svector<char> m_units_to_reassert_sign;
literal_vector m_assigned_literals;
clause* m_clause;
literal_vector m_clause_lits;
unsigned m_qhead;
unsigned m_simp_qhead;
int m_simp_counter; //!< can become negative
@ -1104,15 +1106,21 @@ namespace smt {
void assert_assumption(expr * a);
bool validate_assumptions(unsigned num_assumptions, expr * const * assumptions);
bool validate_assumptions(expr_ref_vector const& asms);
void init_assumptions(unsigned num_assumptions, expr * const * assumptions);
void init_assumptions(expr_ref_vector const& asms);
void init_clause(expr_ref_vector const& clause);
lbool decide_clause();
void reset_assumptions();
void reset_clause();
void add_theory_assumptions(expr_ref_vector & theory_assumptions);
lbool mk_unsat_core();
lbool mk_unsat_core(lbool result);
void validate_unsat_core();
@ -1497,6 +1505,8 @@ namespace smt {
lbool check(unsigned num_assumptions = 0, expr * const * assumptions = nullptr, bool reset_cancel = true, bool already_did_theory_assumptions = false);
lbool check(expr_ref_vector const& cube, expr_ref_vector const& clause);
lbool get_consequences(expr_ref_vector const& assumptions, expr_ref_vector const& vars, expr_ref_vector& conseq, expr_ref_vector& unfixed);
lbool find_mutexes(expr_ref_vector const& vars, vector<expr_ref_vector>& mutexes);