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adding dump facility for cancelation #2095, easing dimacs in/out

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-01-24 12:21:23 -08:00
parent f7746e2284
commit 498864c582
28 changed files with 653 additions and 518 deletions
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5
src/solver/solver_na2as.h
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@ -35,10 +35,9 @@ public:
~solver_na2as() override;
void assert_expr_core2(expr * t, expr * a) override;
// virtual void assert_expr_core(expr * t) = 0;
// Subclasses of solver_na2as should redefine the following *_core methods instead of these ones.
lbool check_sat(unsigned num_assumptions, expr * const * assumptions) override;
lbool check_sat_core(unsigned num_assumptions, expr * const * assumptions) override;
lbool check_sat_cc(const expr_ref_vector &assumptions, vector<expr_ref_vector> const &clauses) override;
void push() override;
void pop(unsigned n) override;
@ -49,7 +48,7 @@ public:
lbool get_consequences(expr_ref_vector const& asms, expr_ref_vector const& vars, expr_ref_vector& consequences) override;
lbool find_mutexes(expr_ref_vector const& vars, vector<expr_ref_vector>& mutexes) override;
protected:
virtual lbool check_sat_core(unsigned num_assumptions, expr * const * assumptions) = 0;
virtual lbool check_sat_core2(unsigned num_assumptions, expr * const * assumptions) = 0;
virtual lbool check_sat_cc_core(const expr_ref_vector &assumptions, vector<expr_ref_vector> const &clauses) { NOT_IMPLEMENTED_YET(); }
virtual void push_core() = 0;
virtual void pop_core(unsigned n) = 0;