Python msat_destroy_env Examples

Example #1

File: msat.py Project: idkwim/pysmt

    def sequence_interpolant(self, formulas):
        cfg, env = None, None
        try:
            self._check_logic(formulas)

            if len(formulas) < 2:
                raise Exception("interpolation needs at least 2 formulae")

            cfg = mathsat.msat_create_config()
            mathsat.msat_set_option(cfg, "interpolation", "true")
            if self.logic == QF_BV:
                mathsat.msat_set_option(cfg, "theory.bv.eager", "false")
                mathsat.msat_set_option(cfg, "theory.eq_propagaion", "false")
            env = mathsat.msat_create_env(cfg, self.msat_env)

            groups = []
            for f in formulas:
                f = self.converter.convert(f)
                g = mathsat.msat_create_itp_group(env)
                mathsat.msat_set_itp_group(env, g)
                groups.append(g)
                mathsat.msat_assert_formula(env, f)

            res = mathsat.msat_solve(env)
            if res == mathsat.MSAT_UNKNOWN:
                raise Exception("error in mathsat interpolation: %s" %
                                mathsat.msat_last_error_message(env))

            if res == mathsat.MSAT_SAT:
                return None

            pysmt_ret = []
            for i in xrange(1, len(groups)):
                itp = mathsat.msat_get_interpolant(env, groups[:i])
                f = self.converter.back(itp)
                pysmt_ret.append(f)

            return pysmt_ret
        finally:
            if cfg:
                mathsat.msat_destroy_config(cfg)
            if env:
                mathsat.msat_destroy_env(env)

Example #2

File: msat.py Project: diasalvatore/pysmt

    def sequence_interpolant(self, formulas):
        cfg, env = None, None
        try:
            self._check_logic(formulas)

            if len(formulas) < 2:
                raise Exception("interpolation needs at least 2 formulae")

            cfg = mathsat.msat_create_config()
            mathsat.msat_set_option(cfg, "interpolation", "true")
            if self.logic == QF_BV:
                mathsat.msat_set_option(cfg, "theory.bv.eager", "false")
                mathsat.msat_set_option(cfg, "theory.eq_propagaion", "false")
            env = mathsat.msat_create_env(cfg, self.msat_env())

            groups = []
            for f in formulas:
                f = self.converter.convert(f)
                g = mathsat.msat_create_itp_group(env)
                mathsat.msat_set_itp_group(env, g)
                groups.append(g)
                mathsat.msat_assert_formula(env, f)

            res = mathsat.msat_solve(env)
            if res == mathsat.MSAT_UNKNOWN:
                raise Exception("error in mathsat interpolation: %s" %
                                mathsat.msat_last_error_message(env))

            if res == mathsat.MSAT_SAT:
                return None

            pysmt_ret = []
            for i in xrange(1, len(groups)):
                itp = mathsat.msat_get_interpolant(env, groups[:i])
                f = self.converter.back(itp)
                pysmt_ret.append(f)

            return pysmt_ret
        finally:
            if cfg:
                mathsat.msat_destroy_config(cfg)
            if env:
                mathsat.msat_destroy_env(env)

Example #3

File: msat.py Project: diasalvatore/pysmt

 def __del__(self):
     mathsat.msat_destroy_env(self.msat_env)

Example #4

File: msat.py Project: idkwim/pysmt

 def exit(self):
     if not self._destroyed:
         self._destroyed = True
         mathsat.msat_destroy_env(self.msat_env)
         mathsat.msat_destroy_config(self.msat_config)

Example #5

File: msat.py Project: idkwim/pysmt

 def __del__(self):
     mathsat.msat_destroy_env(self.msat_env)

Example #6

File: msat.py Project: iambrosie/pysmt

 def _exit(self):
     mathsat.msat_destroy_env(self.msat_env)
     mathsat.msat_destroy_config(self.msat_config)

Example #7

File: msat.py Project: iambrosie/pysmt

 def _exit(self):
     mathsat.msat_destroy_env(self.msat_env)

Example #8

File: msat.py Project: bingcao/pysmt

 def exit(self):
     if not self._destroyed:
         self._destroyed = True
         mathsat.msat_destroy_env(self.msat_env)
         mathsat.msat_destroy_config(self.msat_config)