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solver factories, cleanup solver API, simplified strategic solver, added combined solver

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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
This commit is contained in:
Leonardo de Moura 2012-12-11 17:47:27 -08:00
parent bfe6678ad2
commit 8198e62cbd
22 changed files with 720 additions and 492 deletions
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8
src/solver/solver_na2as.h
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@ -25,30 +25,26 @@ Notes:
#include"solver.h"
class solver_na2as : public solver {
ast_manager * m_manager;
ast_manager & m_manager;
ptr_vector<expr> m_assumptions;
unsigned_vector m_scopes;
void restore_assumptions(unsigned old_sz);
public:
solver_na2as();
solver_na2as(ast_manager & m);
virtual ~solver_na2as();
virtual void assert_expr(expr * t, expr * a);
virtual void assert_expr(expr * t) = 0;
// Subclasses of solver_na2as should redefine the following *_core methods instead of these ones.
virtual void init(ast_manager & m, symbol const & logic);
virtual lbool check_sat(unsigned num_assumptions, expr * const * assumptions);
virtual void push();
virtual void pop(unsigned n);
virtual unsigned get_scope_level() const;
virtual void reset();
protected:
virtual void init_core(ast_manager & m, symbol const & logic) = 0;
virtual lbool check_sat_core(unsigned num_assumptions, expr * const * assumptions) = 0;
virtual void push_core() = 0;
virtual void pop_core(unsigned n) = 0;
virtual void reset_core() = 0;
};