(self)
Returns a proof of unsatisfiability.

        Restrictions: Requires option :produce-proofs to be set and can be
                      called only after check-sat returned unsat, if no
                      change to the assertion set occurred.

        Note: The structure of the returned proof is Solver dependent.
Returns a proof of unsatisfiability.
Returns a proof of unsatisfiability .
def get_proof(self):
        """ Returns a proof of unsatisfiability.

        Restrictions: Requires option :produce-proofs to be set and can be
                      called only after check-sat returned unsat, if no
                      change to the assertion set occurred.

        Note: The structure of the returned proof is Solver dependent.

        """
        raise NotImplementedError
def get_proof ( self ) : raise NotImplementedError