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z3/lib/smt_checker.h
Leonardo de Moura e9eab22e5c Z3 sources
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2012-10-02 11:35:25 -07:00

58 lines
1.2 KiB
C++

/*++
Copyright (c) 2006 Microsoft Corporation
Module Name:
smt_checker.h
Abstract:
<abstract>
Author:
Leonardo de Moura (leonardo) 2008-06-20.
Revision History:
--*/
#ifndef _SMT_CHECKER_H_
#define _SMT_CHECKER_H_
#include"ast.h"
#include"obj_hashtable.h"
namespace smt {
class context;
class checker {
typedef obj_map<expr, bool> expr2bool;
typedef obj_map<expr, enode *> expr2enode;
context & m_context;
ast_manager & m_manager;
expr2bool m_is_true_cache[2];
expr2enode m_to_enode_cache;
unsigned m_num_bindings;
enode * const * m_bindings;
bool all_args(app * a, bool is_true);
bool any_arg(app * a, bool is_true);
bool check_core(expr * n, bool is_true);
bool check(expr * n, bool is_true);
enode * get_enode_eq_to_core(app * n);
enode * get_enode_eq_to(expr * n);
public:
checker(context & c);
bool is_sat(expr * n, unsigned num_bindings = 0, enode * const * bindings = 0);
bool is_unsat(expr * n, unsigned num_bindings = 0, enode * const * bindings = 0);
};
};
#endif /* _SMT_CHECKER_H_ */