def get_value_from_tuple_yval(self, yval): tuple_size = yapi.yices_val_tuple_arity(self.model, yval) if tuple_size <= 0: return None yval_array = yapi.make_empty_yval_array(tuple_size) errcode = yapi.yices_val_expand_tuple(self.model, yval, yval_array) if errcode == -1: raise YicesException('yices_val_expand_tuple') retval = [ self.get_value_from_yval(yval_array[i]) for i in range(0, tuple_size) ] return tuple(retval)
def get_value_from_mapping_yval(self, yval): mapping_size = yapi.yices_val_mapping_arity(self.model, yval) if mapping_size <= 0: return None ytgt = yapi.yval_t() ysrc = yapi.make_empty_yval_array(mapping_size) errcode = yapi.yices_val_expand_mapping(self.model, yval, ysrc, ytgt) if errcode == -1: raise YicesException('yices_val_expand_mapping') src = [self.get_value_from_yval(ysrc[i]) for i in range(0, mapping_size) ] tgt = self.get_value_from_yval(ytgt) return (tuple(src), tgt)
def test_tuple_models(self): tup_t = yapi.yices_tuple_type3(self.bool_t, self.real_t, self.int_t) t1 = define_const('t1', tup_t) assert_formula( '(ite (select t1 1) (< (select t1 2) (select t1 3)) (> (select t1 2) (select t1 3)))', self.ctx) self.assertEqual(yapi.yices_check_context(self.ctx, self.param), 3) mdl = yapi.yices_get_model(self.ctx, 1) mdlstr = yapi.yices_model_to_string(mdl, 80, 100, 0) self.assertEqual(mdlstr, '(= t1 (mk-tuple false 1 0))') yv1 = yapi.yval_t() yapi.yices_get_value(mdl, t1, yv1) self.assertEqual(yv1.node_tag, yapi.YVAL_TUPLE) self.assertEqual(yapi.yices_val_tuple_arity(mdl, yv1), 3) yvarr = yapi.make_empty_yval_array(3) yapi.yices_val_expand_tuple(mdl, yv1, yvarr) self.assertEqual(yvarr[0].node_tag, yapi.YVAL_BOOL) bval1 = c_int32() ival1 = c_int32() yapi.yices_val_get_bool(mdl, yvarr[0], bval1) self.assertEqual(bval1.value, 0) yapi.yices_val_get_int32(mdl, yvarr[1], ival1) self.assertEqual(ival1.value, 1)
def test_function_models(self): funtype = yapi.yices_function_type3(self.int_t, self.bool_t, self.real_t, self.real_t) ftystr = yapi.yices_type_to_string(funtype, 100, 80, 0) yapi.yices_pp_type_fd(1, funtype, 100, 80, 0) self.assertEqual(ftystr, '(-> int bool real real)') fun1 = define_const('fun1', funtype) define_const('b1', self.bool_t) i1 = define_const('i1', self.int_t) r1 = define_const('r1', self.real_t) assert_formula( '(> (fun1 i1 b1 r1) (fun1 (+ i1 1) (not b1) (- r1 i1)))', self.ctx) self.assertEqual(yapi.yices_check_context(self.ctx, self.param), yapi.STATUS_SAT) mdl = yapi.yices_get_model(self.ctx, 1) mdlstr = yapi.yices_model_to_string(mdl, 80, 100, 0) self.assertEqual( mdlstr, '(= b1 false)\n(= i1 1463)\n(= r1 -579)\n(function fun1\n (type (-> int bool real real))\n (= (fun1 1463 false -579) 1)\n (= (fun1 1464 true -2042) 0)\n (default 2))' ) yv1 = yapi.yval_t() yapi.yices_get_value(mdl, fun1, yv1) self.assertEqual(yv1.node_tag, yapi.YVAL_FUNCTION) self.assertEqual(yapi.yices_val_function_arity(mdl, yv1), 3) def1 = yapi.yval_t() vec1 = yapi.yval_vector_t() yapi.yices_init_yval_vector(vec1) yapi.yices_val_expand_function(mdl, yv1, def1, vec1) self.assertEqual(def1.node_tag, yapi.YVAL_RATIONAL) i32val1 = c_int32() yapi.yices_val_get_int32(mdl, def1, i32val1) self.assertEqual(i32val1.value, 2) self.assertEqual(vec1.size, 2) map1 = vec1.data[0] map2 = vec1.data[1] self.assertEqual(map1.node_tag, yapi.YVAL_MAPPING) self.assertEqual(map2.node_tag, yapi.YVAL_MAPPING) self.assertEqual(yapi.yices_val_mapping_arity(mdl, map1), 3) self.assertEqual(yapi.yices_val_mapping_arity(mdl, map2), 3) # First mapping args1 = yapi.make_empty_yval_array(3) yval1 = yapi.yval_t() yapi.yices_val_expand_mapping(mdl, map1, args1, yval1) self.assertEqual(yval1.node_tag, yapi.YVAL_RATIONAL) self.assertEqual(yapi.yices_val_is_int32(mdl, yval1), 1) val1 = c_int32() yapi.yices_val_get_int32(mdl, yval1, val1) self.assertEqual(val1.value, 1) self.assertEqual(args1[0].node_tag, yapi.YVAL_RATIONAL) self.assertEqual(yapi.yices_val_is_int32(mdl, args1[0]), 1) m1arg1 = c_int32() yapi.yices_val_get_int32(mdl, args1[0], m1arg1) self.assertEqual(m1arg1.value, 1463) self.assertEqual(args1[1].node_tag, yapi.YVAL_BOOL) m1arg2 = c_int() yapi.yices_val_get_bool(mdl, args1[1], m1arg2) self.assertEqual(m1arg2.value, 0) m1arg3 = c_int32() yapi.yices_val_get_int32(mdl, args1[2], m1arg3) self.assertEqual(m1arg3.value, -579) # Second mapping args2 = yapi.make_empty_yval_array(3) yval2 = yapi.yval_t() yapi.yices_val_expand_mapping(mdl, map2, args2, yval2) self.assertEqual(yval2.node_tag, yapi.YVAL_RATIONAL) self.assertEqual(yapi.yices_val_is_int32(mdl, yval2), 1) val2 = c_int32() yapi.yices_val_get_int32(mdl, yval2, val2) self.assertEqual(val2.value, 0) self.assertEqual(args2[0].node_tag, yapi.YVAL_RATIONAL) self.assertEqual(yapi.yices_val_is_int32(mdl, args2[0]), 1) m2arg2 = c_int32() yapi.yices_val_get_int32(mdl, args2[0], m2arg2) self.assertEqual(m2arg2.value, 1464) self.assertEqual(args2[1].node_tag, yapi.YVAL_BOOL) m2arg2 = c_int() yapi.yices_val_get_bool(mdl, args2[1], m2arg2) self.assertEqual(m2arg2.value, 1) m2arg3 = c_int32() yapi.yices_val_get_int32(mdl, args2[2], m2arg3) self.assertEqual(m2arg3.value, -2042) fmla = yapi.yices_parse_term('(> i1 r1)') self.assertEqual(yapi.yices_formula_true_in_model(mdl, fmla), 1) a_arr = yapi.make_term_array([i1, fmla, r1]) b_arr = yapi.make_empty_term_array(3) yapi.yices_term_array_value(mdl, 3, a_arr, b_arr) self.assertEqual(b_arr[0], yapi.yices_int32(1463)) self.assertEqual(b_arr[1], yapi.yices_true()) self.assertEqual(b_arr[2], yapi.yices_int32(-579)) yapi.yices_pp_term_array_fd(1, 3, b_arr, 100, 10, 0, 0) tvec3 = yapi.term_vector_t() yapi.yices_init_term_vector(tvec3) yapi.yices_generalize_model(mdl, fmla, 1, a_arr, 0, tvec3) yapi.yices_delete_term_vector(tvec3)