def get_value_from_scalar_yval(self, yval):
value = ctypes.c_int32()
typev = ctypes.c_int32()
errcode = yapi.yices_val_get_scalar(self.model, yval, value, typev)
if errcode == -1:
raise YicesException('yices_val_get_scalar')
return yapi.yices_constant(typev.value, value.value)
def test_error(self):
yapi.yices_reset()
# First with no error
errcode = yapi.yices_error_code()
self.assertEqual(errcode, 0)
errep = yapi.yices_error_report()
self.assertEqual(errep.code, 0)
yapi.yices_clear_error()
errstr = yapi.yices_error_string()
self.assertEqual(errstr, 'no error')
yapi.yices_print_error_fd(1)
# Illegal - only scalar or uninterpreted types allowed
bool_t = yapi.yices_bool_type()
self.assertTrue(yapi.yices_type_is_bool(bool_t))
#iam: 9/19/2018 with self.assertRaisesRegexp(YicesAPIException, 'invalid type in constant creation'):
#iam: 9/19/2018 const1 = yices_constant(bool_t, 0)
const1 = yapi.yices_constant(bool_t, 0)
error_string = yapi.yices_error_string()
self.assertEqual(const1, -1)
self.assertEqual(error_string, 'invalid type in constant creation')
yapi.yices_clear_error()
errpt = yapi.yices_error_report()
self.assertEqual(yapi.yices_error_code(), 0)
self.assertEqual(yapi.yices_error_code(), errpt.code)
errstr = yapi.yices_error_string()
self.assertEqual(errstr, 'no error')
yapi.yices_print_error_fd(1)
yapi.yices_clear_error()
self.assertEqual(yapi.yices_error_code(), 0)
def yicesEnumSort(self, name, value):
"""Return the yices EnumSort for the given name."""
key = str(name)
try:
return self._yicesEnumSort[key][0]
except KeyError:
sort = yicespy.yices_new_scalar_type(len(value))
sortvalues = []
for i in range(len(value)):
lhs = str(value[i])
rhs = yicespy.yices_constant(sort, i)
yicespy.yices_set_term_name(rhs, lhs)
sortvalues.append(rhs)
self._yicesEnumConsts[lhs] = rhs
self._yicesEnumSort[key] = (sort, sortvalues)
return sort
def declare_enum(name, element_names):
"""Declares a new scalar type with the given element_names, which
should all be distinct.
It returns the yices term for the type, and the list of yices terms
corresponding to the element with the associated name.
"""
assert name
assert element_names
cardinality = len(element_names)
tau = yapi.yices_new_scalar_type(cardinality)
if not Types.set_name(tau, name):
return (None, None)
elements = [None] * cardinality
for i in range(0, cardinality):
elements[i] = yapi.yices_constant(tau, i)
ni = element_names[i]
errcode = yapi.yices_set_term_name(elements[i], ni)
if errcode == -1:
raise YicesException('yices_set_term_name')
return (tau, elements)
def test_terms(self):
true_ = yapi.yices_true()
false_ = yapi.yices_false()
bool_t = yapi.yices_bool_type()
int_t = yapi.yices_int_type()
unint_t = yapi.yices_new_uninterpreted_type()
self.assertNotEqual(true_, false_)
const1 = yapi.yices_constant(unint_t, 0)
const2 = yapi.yices_new_uninterpreted_term(unint_t)
bconst1 = yapi.yices_new_uninterpreted_term(bool_t)
iconst1 = yapi.yices_new_uninterpreted_term(int_t)
var1 = yapi.yices_new_variable(unint_t)
bvar1 = yapi.yices_new_variable(bool_t)
ivar1 = yapi.yices_new_variable(int_t)
ivar2 = yapi.yices_new_variable(int_t)
ivar3 = yapi.yices_new_variable(int_t)
ivar4 = yapi.yices_new_variable(int_t)
zero = yapi.yices_zero()
int1 = yapi.yices_int32(13)
int2 = yapi.yices_int32(17)
self.assertEqual(zero, yapi.yices_int32(0))
fun1_t = yapi.yices_function_type1(int_t, bool_t)
fun1 = yapi.yices_new_variable(fun1_t)
app1 = yapi.yices_application1(fun1, int1)
fun2_t = yapi.yices_function_type2(int_t, int_t, bool_t)
fun2 = yapi.yices_new_variable(fun2_t)
app2 = yapi.yices_application2(fun2, int1, int1)
fun3_t = yapi.yices_function_type3(int_t, int_t, int_t, bool_t)
fun3 = yapi.yices_new_variable(fun3_t)
app3 = yapi.yices_application3(fun3, int1, int1, int1)
tup3_t = yapi.yices_tuple_type3(bool_t, int_t, unint_t)
tupconst1 = yapi.yices_new_variable(tup3_t)
ta4 = yapi.make_type_array([int_t, int_t, int_t, int_t])
int4 = yapi.make_type_array([int1, int2, iconst1, ivar1])
int4_2 = yapi.make_term_array([ivar1, ivar2, ivar3, ivar4])
fun4_t = yapi.yices_function_type(4, ta4, bool_t)
fun4 = yapi.yices_new_variable(fun4_t)
app4 = yapi.yices_application(fun4, 4, int4)
ite1 = yapi.yices_ite(bconst1, int1, int2)
eq1 = yapi.yices_eq(int1, int1)
neq1 = yapi.yices_neq(int1, int1)
not1 = yapi.yices_not(false_)
bool5 = yapi.make_term_array([false_, eq1, neq1, app4, false_])
or1 = yapi.yices_or(5, bool5)
and1 = yapi.yices_and(5, bool5)
xor1 = yapi.yices_xor(5, bool5)
or2 = yapi.yices_or2(or1, and1)
and2 = yapi.yices_and2(or1, and1)
xor2 = yapi.yices_xor2(or1, and1)
or3 = yapi.yices_or3(or1, and1, or2)
and3 = yapi.yices_and3(or1, and1, and2)
xor3 = yapi.yices_xor3(or1, and1, xor2)
iff1 = yapi.yices_iff(and1, or1)
implies1 = yapi.yices_implies(and1, or1)
tup1 = yapi.yices_tuple(4, int4)
pair1 = yapi.yices_pair(eq1, xor2)
triple1 = yapi.yices_triple(ite1, fun4, or3)
select1 = yapi.yices_select(2, tup1)
select2 = yapi.yices_select(2, tupconst1)
tupup1 = yapi.yices_tuple_update(tup1, 2, int2)
update1 = yapi.yices_update1(fun1, int1, false_)
update2 = yapi.yices_update2(fun2, int1, int1, false_)
update3 = yapi.yices_update3(fun3, int1, int1, int1, false_)
update4 = yapi.yices_update(fun4, 4, int4, false_)
distinct1 = yapi.yices_distinct(4, int4)
var2 = yapi.yices_new_variable(unint_t)
vareq = yapi.yices_eq(var1, var2)
vars2 = yapi.make_term_array([var1, var2])
forall1 = yapi.yices_forall(2, vars2, vareq)
exists1 = yapi.yices_exists(2, vars2, vareq)
lambda1 = yapi.yices_lambda(2, vars2, vareq)
zero = yapi.yices_zero()
int64_1 = yapi.yices_int64(42)
rat32_1 = yapi.yices_rational32(13, 7)
rat64_1 = yapi.yices_rational64(-47, 111)
gmpz = yapi.yices_new_mpz(42)
mpz1 = yapi.yices_mpz(gmpz)
gmpq = yapi.yices_new_mpq(42, 77)
mpq1 = yapi.yices_mpq(gmpq)
rat1 = yapi.yices_parse_rational('-3/117')
float1 = yapi.yices_parse_float('-3.117e-2')
add1 = yapi.yices_add(int1, int1)
sub1 = yapi.yices_sub(int1, zero)
neg1 = yapi.yices_neg(int1)
self.assertEqual(yapi.yices_neg(zero), zero)
self.assertNotEqual(neg1, int1)
mul1 = yapi.yices_mul(int1, int1)
square1 = yapi.yices_square(int1)
self.assertEqual(mul1, square1)
power1 = yapi.yices_power(int1, 4)
sum1 = yapi.yices_sum(4, int4)
product1 = yapi.yices_product(4, int4)
product2 = yapi.yices_product(4, int4_2)
div1 = yapi.yices_division(int1, int1)
idiv1 = yapi.yices_idiv(int1, int1)
imod1 = yapi.yices_imod(int1, int1)
divatom1 = yapi.yices_divides_atom(int1, int1)
intatom1 = yapi.yices_is_int_atom(int1)
abs1 = yapi.yices_abs(neg1)
self.assertEqual(abs1, int1)
floor1 = yapi.yices_floor(rat1)
ceil1 = yapi.yices_ceil(rat1)
poly32 = yapi.yices_poly_int32(4, yapi.make_int32_array([2, 3, 4, 5]),
int4)
poly64 = yapi.yices_poly_int64(4, yapi.make_int64_array([3, 4, 5, 6]),
int4)
polyrat32 = yapi.yices_poly_rational32(
4, yapi.make_int32_array([2, 3, 4, 5]),
yapi.make_int32_array([12, 13, 14, 15]), int4)
polyrat64 = yapi.yices_poly_rational64(
4, yapi.make_int64_array([2, 3, 4, 5]),
yapi.make_int64_array([12, 13, 14, 15]), int4)
areqatom1 = yapi.yices_arith_eq_atom(int1, zero)
arneqatom1 = yapi.yices_arith_neq_atom(int1, zero)
argeqatom1 = yapi.yices_arith_geq_atom(int1, zero)
arleqatom1 = yapi.yices_arith_leq_atom(int1, zero)
argtatom1 = yapi.yices_arith_gt_atom(int1, zero)
arltatom1 = yapi.yices_arith_lt_atom(int1, zero)
areq0atom1 = yapi.yices_arith_eq0_atom(int1)
arneq0atom1 = yapi.yices_arith_neq0_atom(int1)
argeq0atom1 = yapi.yices_arith_geq0_atom(int1)
arleq0atom1 = yapi.yices_arith_leq0_atom(int1)
argt0atom1 = yapi.yices_arith_gt0_atom(int1)
arlt0atom1 = yapi.yices_arith_lt0_atom(int1)
bv_t = yapi.yices_bv_type(8)
bvconstu32_1 = yapi.yices_bvconst_uint32(8, 42)
bvconstu64_1 = yapi.yices_bvconst_uint64(8, 42)
bvconst32_1 = yapi.yices_bvconst_int32(8, 42)
bvconst64_1 = yapi.yices_bvconst_int64(8, 42)
bvconstzero_1 = yapi.yices_bvconst_zero(16)
bvconstone_1 = yapi.yices_bvconst_one(16)
bvconstminusone_1 = yapi.yices_bvconst_minus_one(32)
bvconstarray1 = yapi.yices_bvconst_from_array(
4, yapi.make_int32_array([1, 0, 1, 0]))
bvvar1 = yapi.yices_new_variable(bv_t)
bvvar2 = yapi.yices_new_variable(bv_t)
bvvar3 = yapi.yices_new_variable(bv_t)
bvvar4 = yapi.yices_new_variable(bv_t)
bvbin1 = yapi.yices_parse_bvbin('100101')
bvhex1 = yapi.yices_parse_bvhex('f0a1b3')
bvadd1 = yapi.yices_bvadd(bvbin1, bvbin1)
bvsub1 = yapi.yices_bvsub(bvbin1, bvbin1)
bvneg1 = yapi.yices_bvneg(bvbin1)
bvmul1 = yapi.yices_bvmul(bvbin1, bvbin1)
bvsquare1 = yapi.yices_bvsquare(bvbin1)
bvpower1 = yapi.yices_bvpower(bvbin1, 3)
bvdiv1 = yapi.yices_bvdiv(bvbin1, bvbin1)
bvrem1 = yapi.yices_bvrem(bvbin1, bvbin1)
bvsdiv1 = yapi.yices_bvsdiv(bvbin1, bvbin1)
bvsrem1 = yapi.yices_bvsrem(bvbin1, bvbin1)
bvsmod1 = yapi.yices_bvsmod(bvbin1, bvbin1)
bvnot1 = yapi.yices_bvnot(bvbin1)
bvnand1 = yapi.yices_bvnand(bvbin1, bvbin1)
bvnor1 = yapi.yices_bvnor(bvbin1, bvbin1)
bvxnor1 = yapi.yices_bvxnor(bvbin1, bvbin1)
bvshl1 = yapi.yices_bvshl(bvbin1, bvbin1)
bvlshr1 = yapi.yices_bvlshr(bvbin1, bvbin1)
bvashr1 = yapi.yices_bvashr(bvbin1, bvbin1)
bvand1 = yapi.yices_bvand(
4, yapi.make_term_array([bvbin1, bvbin1, bvbin1, bvbin1]))
bvor1 = yapi.yices_bvor(
4, yapi.make_term_array([bvbin1, bvbin1, bvbin1, bvbin1]))
bvand2_1 = yapi.yices_bvand2(bvbin1, bvbin1)
bvor2_1 = yapi.yices_bvor2(bvbin1, bvbin1)
bvxor2_1 = yapi.yices_bvxor2(bvbin1, bvbin1)
bvand3_1 = yapi.yices_bvand3(bvbin1, bvbin1, bvbin1)
bvor3_1 = yapi.yices_bvor3(bvbin1, bvbin1, bvbin1)
bvxor3_1 = yapi.yices_bvxor3(bvbin1, bvbin1, bvbin1)
bvsum1 = yapi.yices_bvsum(
4, yapi.make_term_array([bvbin1, bvbin1, bvbin1, bvbin1]))
bvsum2 = yapi.yices_bvsum(
4, yapi.make_term_array([bvvar1, bvvar2, bvvar3, bvvar4]))
bvproduct1 = yapi.yices_bvproduct(
4, yapi.make_term_array([bvbin1, bvbin1, bvbin1, bvbin1]))
shleft0_1 = yapi.yices_shift_left0(bvbin1, 5)
shleft1_1 = yapi.yices_shift_left1(bvbin1, 4)
shright0_1 = yapi.yices_shift_right0(bvbin1, 3)
shright1_1 = yapi.yices_shift_right1(bvbin1, 2)
ashright_1 = yapi.yices_ashift_right(bvbin1, 1)
rotleft_1 = yapi.yices_rotate_left(bvbin1, 6)
rotright_1 = yapi.yices_rotate_right(bvbin1, 5)
bvextract1 = yapi.yices_bvextract(bvbin1, 2, 4)
bvconcat2_1 = yapi.yices_bvconcat2(bvbin1, bvbin1)
bvconcat_1 = yapi.yices_bvconcat(
4, yapi.make_term_array([bvbin1, bvbin1, bvbin1, bvbin1]))
bvrepeat1 = yapi.yices_bvrepeat(bvbin1, 8)
signext1 = yapi.yices_sign_extend(bvbin1, 3)
zeroext1 = yapi.yices_zero_extend(bvbin1, 4)
redand1 = yapi.yices_redand(bvbin1)
redor1 = yapi.yices_redor(bvbin1)
redcomp1 = yapi.yices_redcomp(bvbin1, bvbin1)
bvarray1 = yapi.yices_bvarray(
4, yapi.make_term_array([true_, false_, true_, false_]))
bitextract1 = yapi.yices_bitextract(bvbin1, 3)
bveqatom1 = yapi.yices_bveq_atom(bvbin1, bvbin1)
bvneqatom1 = yapi.yices_bvneq_atom(bvbin1, bvbin1)
bvgeatom1 = yapi.yices_bvge_atom(bvbin1, bvbin1)
bvgtatom1 = yapi.yices_bvgt_atom(bvbin1, bvbin1)
bvleatom1 = yapi.yices_bvle_atom(bvbin1, bvbin1)
bvltatom1 = yapi.yices_bvlt_atom(bvbin1, bvbin1)
bvsgeatom1 = yapi.yices_bvsge_atom(bvbin1, bvbin1)
bvsgtatom1 = yapi.yices_bvsgt_atom(bvbin1, bvbin1)
bvsleatom1 = yapi.yices_bvsle_atom(bvbin1, bvbin1)
bvsltatom1 = yapi.yices_bvslt_atom(bvbin1, bvbin1)
ptype1 = yapi.yices_parse_type('int')
self.assertEqual(ptype1, yapi.yices_int_type())
pterm1 = yapi.yices_parse_term('42')
self.assertEqual(pterm1, yapi.yices_int32(42))
subst1 = yapi.yices_subst_term(
2,
yapi.make_term_array([
yapi.yices_new_variable(ptype1),
yapi.yices_new_variable(ptype1)
]),
yapi.make_term_array([yapi.yices_int32(2),
yapi.yices_int32(3)]), yapi.yices_int32(42))
substarr1 = yapi.yices_subst_term_array(
2,
yapi.make_term_array([
yapi.yices_new_variable(ptype1),
yapi.yices_new_variable(ptype1)
]),
yapi.make_term_array([yapi.yices_int32(2),
yapi.yices_int32(3)]), 3,
yapi.make_term_array([
yapi.yices_int32(2),
yapi.yices_int32(3),
yapi.yices_int32(7)
]))
settypename1 = yapi.yices_set_type_name(ptype1, 'I')
self.assertEqual(settypename1, 0)
settermname1 = yapi.yices_set_term_name(pterm1, 'answer')
self.assertEqual(settermname1, 0)
gettype1 = yapi.yices_get_type_by_name('I')
self.assertEqual(gettype1, ptype1)
getterm1 = yapi.yices_get_term_by_name('answer')
self.assertEqual(getterm1, pterm1)
gettypename1 = yapi.yices_get_type_name(ptype1)
self.assertEqual(gettypename1, 'I')
gettermname1 = yapi.yices_get_term_name(pterm1)
self.assertEqual(gettermname1, 'answer')
yapi.yices_remove_type_name('I')
yapi.yices_remove_term_name('answer')
yapi.yices_clear_type_name(ptype1)
yapi.yices_clear_term_name(pterm1)
typeofterm1 = yapi.yices_type_of_term(pterm1)
self.assertEqual(typeofterm1, yapi.yices_int_type())
self.assertEqual(yapi.yices_term_is_bool(false_), 1)
self.assertEqual(yapi.yices_term_is_bool(pterm1), 0)
self.assertEqual(yapi.yices_term_is_int(false_), 0)
self.assertEqual(yapi.yices_term_is_int(pterm1), 1)
self.assertEqual(yapi.yices_term_is_real(false_), 0)
self.assertEqual(yapi.yices_term_is_real(pterm1), 0)
self.assertEqual(yapi.yices_term_is_arithmetic(false_), 0)
self.assertEqual(yapi.yices_term_is_arithmetic(pterm1), 1)
self.assertEqual(yapi.yices_term_is_bitvector(false_), 0)
self.assertEqual(yapi.yices_term_is_bitvector(bvbin1), 1)
self.assertEqual(yapi.yices_term_is_tuple(false_), 0)
self.assertEqual(yapi.yices_term_is_tuple(tup1), 1)
self.assertEqual(yapi.yices_term_is_function(false_), 0)
self.assertEqual(yapi.yices_term_is_function(fun1), 1)
self.assertEqual(yapi.yices_term_is_scalar(false_), 0)
self.assertEqual(yapi.yices_term_is_scalar(fun1), 0)
self.assertEqual(yapi.yices_term_bitsize(bvbin1), 6)
self.assertEqual(yapi.yices_term_is_ground(false_), 1)
self.assertEqual(yapi.yices_term_is_ground(var1), 0)
self.assertEqual(yapi.yices_term_is_atomic(false_), 1)
# or1 is atomic because it simplifies to true
self.assertEqual(yapi.yices_term_is_atomic(or1), 1)
self.assertEqual(yapi.yices_term_is_composite(false_), 0)
self.assertEqual(yapi.yices_term_is_composite(ite1), 1)
self.assertEqual(yapi.yices_term_is_composite(tup1), 1)
self.assertEqual(yapi.yices_term_is_projection(false_), 0)
# Select1 simplifies
self.assertEqual(yapi.yices_term_is_projection(select1), 0)
self.assertEqual(yapi.yices_term_is_projection(select2), 1)
self.assertEqual(yapi.yices_term_is_sum(ite1), 0)
self.assertEqual(yapi.yices_term_is_sum(sum1), 1)
self.assertEqual(yapi.yices_term_is_bvsum(select1), 0)
# bvsum1 simplifies since the terms are all numbers
self.assertEqual(yapi.yices_term_is_bvsum(bvsum1), 0)
self.assertEqual(yapi.yices_term_is_bvsum(bvsum2), 1)
self.assertEqual(yapi.yices_term_is_product(ite1), 0)
self.assertEqual(yapi.yices_term_is_product(product1), 0)
self.assertEqual(yapi.yices_term_is_product(product2), 1)
self.assertEqual(yapi.yices_term_constructor(true_), 0)
self.assertEqual(yapi.yices_term_constructor(int1), 1)
self.assertEqual(yapi.yices_term_constructor(bvconst32_1), 2)
self.assertEqual(yapi.yices_term_num_children(bvconst32_1), 0)
self.assertEqual(yapi.yices_term_num_children(select2), 1)
self.assertEqual(yapi.yices_term_num_children(tup1), 4)
self.assertEqual(yapi.yices_term_child(tup1, 2), iconst1)
projarg1 = yapi.yices_proj_arg(select2)
self.assertEqual(yapi.yices_proj_index(select2), 2)
self.assertEqual(yapi.yices_proj_arg(select2), tupconst1)
val_p = yapi.make_empty_int32_array(1)
self.assertEqual(yapi.yices_bool_const_value(true_, val_p), 0)
self.assertEqual(val_p[0], 1)
bval = yapi.make_empty_int32_array(8)
self.assertEqual(yapi.yices_bv_const_value(bvconst32_1, bval), 0)
self.assertEqual(bval[0:7], [0, 1, 0, 1, 0, 1, 0])
scalar_t = yapi.yices_new_scalar_type(20)
scalar_c = yapi.yices_constant(scalar_t, 13)
self.assertEqual(yapi.yices_scalar_const_value(scalar_c, val_p), 0)
self.assertEqual(val_p[0], 13)
self.assertEqual(yapi.yices_rational_const_value(rat32_1, gmpq), 0)
pterm = yapi.term_t()
self.assertEqual(yapi.yices_sum_component(sum1, 2, gmpq, pterm), 0)
val = yapi.make_empty_int32_array(8)
self.assertEqual(yapi.yices_type_of_term(bvsum2),
13) #BD: not very robust
# val must be an array of eight integers since bvsum has type (bitvector 8)
dodgy = yapi.yices_bvsum_component(bvsum2, 1, val, pterm)
self.assertEqual(dodgy, 0)
self.assertEqual(yapi.yices_term_is_bitvector(pterm), 1)
self.assertEqual(yapi.yices_term_is_bitvector(bvvar2), 1)
self.assertEqual(val[0], 1)
self.assertEqual(val[1], 0)
self.assertEqual(val[2], 0)
self.assertEqual(val[3], 0)
self.assertEqual(val[4], 0)
self.assertEqual(val[5], 0)
self.assertEqual(val[6], 0)
self.assertEqual(val[7], 0)
# Why is pterm.value needed here?
self.assertEqual(pterm.value, bvvar2)
exp1 = c_int32()
self.assertEqual(
yapi.yices_product_component(product2, 1, pterm, exp1), 0)
self.assertEqual(exp1.value, 1)
# Why is pterm.value needed here?
self.assertEqual(pterm.value, ivar2)
# Note that the next two can change easily
self.assertEqual(yapi.yices_num_terms(), 103)
self.assertEqual(yapi.yices_num_types(), 26)
self.assertEqual(yapi.yices_incref_term(pterm), 0)
self.assertEqual(yapi.yices_num_posref_terms(), 1)
self.assertEqual(yapi.yices_decref_term(pterm), 0)
self.assertEqual(yapi.yices_num_posref_terms(), 0)
self.assertEqual(yapi.yices_incref_type(unint_t), 0)
self.assertEqual(yapi.yices_num_posref_types(), 1)
self.assertEqual(yapi.yices_decref_type(unint_t), 0)
self.assertEqual(yapi.yices_num_posref_types(), 0)
self.assertEqual(yapi.yices_incref_term(int1), 0)
self.assertEqual(yapi.yices_incref_type(int_t), 0)
yapi.yices_garbage_collect(int4, 1, ta4, 1, 0)
self.assertEqual(yapi.yices_num_terms(), 5)
self.assertEqual(yapi.yices_num_types(), 3)
def constant(tau, index):
retval = yapi.yices_constant(tau, index)
if retval == Terms.NULL_TERM:
raise YicesException('yices_constant')
return retval