external_sat.h

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#ifndef CPROVER_SOLVERS_SAT_EXTERNAL_SAT_H
#define CPROVER_SOLVERS_SAT_EXTERNAL_SAT_H
 
#include "cnf_clause_list.h"
class external_satt : public cnf_clause_list_assignmentt
{
public:
  explicit external_satt(message_handlert &message_handler, std::string cmd);
 
  bool has_assumptions() const override final
  {
    return true;
  }
 
  bool has_is_in_conflict() const override final
  {
    return false;
  }
 
  std::string solver_text() const override;
 
  bool is_in_conflict(literalt) const override;
  void set_assignment(literalt, bool) override;
 
protected:
  std::string solver_cmd;
 
  resultt do_prop_solve(const bvt &assumptions) override;
  void write_cnf_file(std::string, const bvt &);
  std::string execute_solver(std::string);
  resultt parse_result(std::string);
};
 
#endif // CPROVER_SOLVERS_SAT_EXTERNAL_SAT_H