def test_timeout(self): cfg = Config() cfg.default_config_for_logic('QF_NIA') ctx = Context(cfg) int_t = Types.int_type() [x, y, z] = [ Terms.new_uninterpreted_term(int_t, id) for id in ['x', 'y', 'z'] ] # x, y, z > 0 for var in [x, y, z]: ctx.assert_formula(Terms.arith_gt0_atom(var)) # x^3 + y^3 = z3 [x3, y3, z3] = [Terms.product([var, var, var]) for var in [x, y, z]] lhs = Terms.sum([x3, y3]) eq = Terms.arith_eq_atom(lhs, z3) ctx.assert_formula(eq) status = ctx.check_context(timeout=1) self.assertEqual(status, Status.INTERRUPTED) ctx.dispose() cfg.dispose()
def set_value(ctx, position, value): (row, column) = position assert 1 <= row <= 9 assert 1 <= column <= 9 assert 1 <= value <= 9 ctx.assert_formula(Terms.arith_eq_atom(V(row - 1, column - 1), C[value]))
def _equality(self, i, j, val): return Terms.arith_eq_atom(self.var(i, j), self.constants[val])
def cell_equality(self, i, j, val): """cell_equality returns the yices term stating that the given cell equals the given value.""" return Terms.arith_eq_atom(self.var(i, j), self.constants[val])
def test_terms(self): self.assertTrue(Yices.is_inited()) true_ = Terms.true() false_ = Terms.false() bool_t = Types.bool_type() int_t = Types.int_type() unint_t = Types.new_uninterpreted_type() self.assertNotEqual(true_, false_) const1 = Terms.constant(unint_t, 0) const2 = Terms.new_uninterpreted_term(unint_t) bconst1 = Terms.new_uninterpreted_term(bool_t) iconst1 = Terms.new_uninterpreted_term(int_t) var1 = Terms.new_variable(unint_t) bvar1 = Terms.new_variable(bool_t) ivar1 = Terms.new_variable(int_t) ivar2 = Terms.new_variable(int_t) ivar3 = Terms.new_variable(int_t) ivar4 = Terms.new_variable(int_t) zero = Terms.zero() int1 = Terms.integer(13) int2 = Terms.integer(17) self.assertEqual(zero, Terms.integer(0)) fun1_t = Types.new_function_type([int_t], bool_t) fun1 = Terms.new_variable(fun1_t) app1 = Terms.application(fun1, [int1]) fun2_t = Types.new_function_type([int_t, int_t], bool_t) fun2 = Terms.new_variable(fun2_t) app2 = Terms.application(fun2, [int1, int1]) fun3_t = Types.new_function_type([int_t, int_t, int_t], bool_t) fun3 = Terms.new_variable(fun3_t) app3 = Terms.application(fun3, [int1, int1, int1]) tup3_t = Types.new_tuple_type([bool_t, int_t, unint_t]) tupconst1 = Terms.new_variable(tup3_t) fun4_t = Types.new_function_type([int_t, int_t, int_t, int_t], bool_t) fun4 = Terms.new_variable(fun4_t) app4 = Terms.application(fun4, [int1, int2, iconst1, ivar1]) ite1 = Terms.ite(bconst1, int1, int2) eq1 = Terms.eq(int1, int1) neq1 = Terms.neq(int1, int1) not1 = Terms.ynot(false_) or1 = Terms.yor([false_, eq1, neq1, app4, false_]) and1 = Terms.yand([false_, eq1, neq1, app4, false_]) xor1 = Terms.xor([false_, eq1, neq1, app4, false_]) or2 = Terms.yor([or1, and1]) and2 = Terms.yand([or1, and1]) xor2 = Terms.xor([or1, and1]) or3 = Terms.yor([or1, and1, or2]) and3 = Terms.yand([or1, and1, and2]) xor3 = Terms.xor([or1, and1, xor2]) iff1 = Terms.iff(and1, or1) implies1 = Terms.implies(and1, or1) tup1 = Terms.tuple([int1, int2, iconst1, ivar1]) pair1 = Terms.tuple([eq1, xor2]) triple1 = Terms.tuple([ite1, fun4, or3]) select1 = Terms.select(2, tup1) select2 = Terms.select(2, tupconst1) tupup1 = Terms.tuple_update(tup1, 2, int2) update1 = Terms.update(fun1, [int1], false_) update2 = Terms.update(fun2, [int1, int1], false_) update3 = Terms.update(fun3, [int1, int1, int1], false_) update4 = Terms.update(fun4, [int1, int2, iconst1, ivar1], false_) distinct1 = Terms.distinct([int1, int2, iconst1, ivar1]) var2 = Terms.new_variable(unint_t) vareq = Terms.eq(var1, var2) forall1 = Terms.forall([var1, var2], vareq) exists1 = Terms.exists([var1, var2], vareq) lambda1 = Terms.ylambda([var1, var2], vareq) zero = Terms.zero() int64_1 = Terms.integer(42) rat32_1 = Terms.rational(13, 7) rat64_1 = Terms.rational(-47, 111) rat1 = Terms.parse_rational('-3/117') float1 = Terms.parse_float('-3.117e-2') add1 = Terms.add(int1, int1) sub1 = Terms.sub(int1, zero) neg1 = Terms.neg(int1) self.assertEqual(Terms.neg(zero), zero) self.assertNotEqual(neg1, int1) mul1 = Terms.mul(int1, int1) square1 = Terms.square(int1) self.assertEqual(mul1, square1) power1 = Terms.power(int1, 4) sum1 = Terms.sum([int1, int2, iconst1, ivar1]) product1 = Terms.product([int1, int2, iconst1, ivar1]) product2 = Terms.product([ivar1, ivar2, ivar3, ivar4]) div1 = Terms.division(int1, int1) idiv1 = Terms.idiv(int1, int1) imod1 = Terms.imod(int1, int1) divatom1 = Terms.divides_atom(int1, int1) intatom1 = Terms.is_int_atom(int1) abs1 = Terms.abs(neg1) self.assertEqual(abs1, int1) floor1 = Terms.floor(rat1) ceil1 = Terms.ceil(rat1) areqatom1 = Terms.arith_eq_atom(int1, zero) arneqatom1 = Terms.arith_neq_atom(int1, zero) argeqatom1 = Terms.arith_geq_atom(int1, zero) arleqatom1 = Terms.arith_leq_atom(int1, zero) argtatom1 = Terms.arith_gt_atom(int1, zero) arltatom1 = Terms.arith_lt_atom(int1, zero) areq0atom1 = Terms.arith_eq0_atom(int1) arneq0atom1 = Terms.arith_neq0_atom(int1) argeq0atom1 = Terms.arith_geq0_atom(int1) arleq0atom1 = Terms.arith_leq0_atom(int1) argt0atom1 = Terms.arith_gt0_atom(int1) arlt0atom1 = Terms.arith_lt0_atom(int1) bv_t = Types.bv_type(8) bvconstu32_1 = Terms.bvconst_integer(8, 42) bvconstu64_1 = Terms.bvconst_integer(8, 42) bvconst32_1 = Terms.bvconst_integer(8, 42) bvconst64_1 = Terms.bvconst_integer(8, 42) bvconstzero_1 = Terms.bvconst_zero(16) bvconstone_1 = Terms.bvconst_one(16) bvconstminusone_1 = Terms.bvconst_minus_one(32) bvvar1 = Terms.new_variable(bv_t) bvvar2 = Terms.new_variable(bv_t) bvvar3 = Terms.new_variable(bv_t) bvvar4 = Terms.new_variable(bv_t) bvbin1 = Terms.parse_bvbin('100101') bvhex1 = Terms.parse_bvhex('f0a1b3') bvadd1 = Terms.bvadd(bvbin1, bvbin1) bvsub1 = Terms.bvsub(bvbin1, bvbin1) bvneg1 = Terms.bvneg(bvbin1) bvmul1 = Terms.bvmul(bvbin1, bvbin1) bvsquare1 = Terms.bvsquare(bvbin1) bvpower1 = Terms.bvpower(bvbin1, 3) bvdiv1 = Terms.bvdiv(bvbin1, bvbin1) bvrem1 = Terms.bvrem(bvbin1, bvbin1) bvsdiv1 = Terms.bvsdiv(bvbin1, bvbin1) bvsrem1 = Terms.bvsrem(bvbin1, bvbin1) bvsmod1 = Terms.bvsmod(bvbin1, bvbin1) bvnot1 = Terms.bvnot(bvbin1) bvnand1 = Terms.bvnand(bvbin1, bvbin1) bvnor1 = Terms.bvnor(bvbin1, bvbin1) bvxnor1 = Terms.bvxnor(bvbin1, bvbin1) bvshl1 = Terms.bvshl(bvbin1, bvbin1) bvlshr1 = Terms.bvlshr(bvbin1, bvbin1) bvashr1 = Terms.bvashr(bvbin1, bvbin1) bvand1 = Terms.bvand([bvbin1, bvbin1, bvbin1, bvbin1]) bvor1 = Terms.bvor([bvbin1, bvbin1, bvbin1, bvbin1]) bvand2_1 = Terms.bvand([bvbin1, bvbin1]) bvor2_1 = Terms.bvor([bvbin1, bvbin1]) bvxor2_1 = Terms.bvxor([bvbin1, bvbin1]) bvand3_1 = Terms.bvand([bvbin1, bvbin1, bvbin1]) bvor3_1 = Terms.bvor([bvbin1, bvbin1, bvbin1]) bvxor3_1 = Terms.bvxor([bvbin1, bvbin1, bvbin1]) bvsum1 = Terms.bvsum([bvbin1, bvbin1, bvbin1, bvbin1]) bvsum2 = Terms.bvsum([bvvar1, bvvar2, bvvar3, bvvar4]) bvproduct1 = Terms.bvproduct([bvbin1, bvbin1, bvbin1, bvbin1]) shleft0_1 = Terms.shift_left0(bvbin1, 5) shleft1_1 = Terms.shift_left1(bvbin1, 4) shright0_1 = Terms.shift_right0(bvbin1, 3) shright1_1 = Terms.shift_right1(bvbin1, 2) ashright_1 = Terms.ashift_right(bvbin1, 1) rotleft_1 = Terms.rotate_left(bvbin1, 6) rotright_1 = Terms.rotate_right(bvbin1, 5) bvextract1 = Terms.bvextract(bvbin1, 2, 4) bvconcat2_1 = Terms.bvconcat([bvbin1, bvbin1]) bvconcat_1 = Terms.bvconcat([bvbin1, bvbin1, bvbin1, bvbin1]) bvrepeat1 = Terms.bvrepeat(bvbin1, 8) signext1 = Terms.sign_extend(bvbin1, 3) zeroext1 = Terms.zero_extend(bvbin1, 4) redand1 = Terms.redand(bvbin1) redor1 = Terms.redor(bvbin1) redcomp1 = Terms.redcomp(bvbin1, bvbin1) bvarray1 = Terms.bvarray([true_, false_, true_, false_]) bitextract1 = Terms.bitextract(bvbin1, 3) bveqatom1 = Terms.bveq_atom(bvbin1, bvbin1) bvneqatom1 = Terms.bvneq_atom(bvbin1, bvbin1) bvgeatom1 = Terms.bvge_atom(bvbin1, bvbin1) bvgtatom1 = Terms.bvgt_atom(bvbin1, bvbin1) bvleatom1 = Terms.bvle_atom(bvbin1, bvbin1) bvltatom1 = Terms.bvlt_atom(bvbin1, bvbin1) bvsgeatom1 = Terms.bvsge_atom(bvbin1, bvbin1) bvsgtatom1 = Terms.bvsgt_atom(bvbin1, bvbin1) bvsleatom1 = Terms.bvsle_atom(bvbin1, bvbin1) bvsltatom1 = Terms.bvslt_atom(bvbin1, bvbin1) ptype1 = Types.parse_type('int') self.assertEqual(ptype1, Types.int_type()) pterm1 = Terms.parse_term('42') self.assertEqual(pterm1, Terms.integer(42)) subst1 = Terms.subst( [Terms.new_variable(ptype1), Terms.new_variable(ptype1)], [Terms.integer(2), Terms.integer(3)], Terms.integer(42)) substarr1 = Terms.substs( [Terms.new_variable(ptype1), Terms.new_variable(ptype1)], [Terms.integer(2), Terms.integer(3)], [Terms.integer(2), Terms.integer(3), Terms.integer(7)]) settypename1 = Types.set_name(ptype1, 'I') self.assertTrue(settypename1) settermname1 = Terms.set_name(pterm1, 'answer') self.assertTrue(settermname1) gettype1 = Types.get_by_name('I') self.assertEqual(gettype1, ptype1) getterm1 = Terms.get_by_name('answer') self.assertEqual(getterm1, pterm1) gettypename1 = Types.get_name(ptype1) self.assertEqual(gettypename1, 'I') gettermname1 = Terms.get_name(pterm1) self.assertEqual(gettermname1, 'answer') Types.remove_name('I') Terms.remove_name('answer') Types.clear_name(ptype1) Terms.clear_name(pterm1) typeofterm1 = Terms.type_of_term(pterm1) self.assertEqual(typeofterm1, Types.int_type()) self.assertEqual(Terms.is_bool(false_), 1) self.assertEqual(Terms.is_bool(pterm1), 0) self.assertEqual(Terms.is_int(false_), 0) self.assertEqual(Terms.is_int(pterm1), 1) self.assertEqual(Terms.is_real(false_), 0) self.assertEqual(Terms.is_real(pterm1), 0) self.assertEqual(Terms.is_arithmetic(false_), 0) self.assertEqual(Terms.is_arithmetic(pterm1), 1) self.assertEqual(Terms.is_bitvector(false_), 0) self.assertEqual(Terms.is_bitvector(bvbin1), 1) self.assertEqual(Terms.is_tuple(false_), 0) self.assertEqual(Terms.is_tuple(tup1), 1) self.assertEqual(Terms.is_function(false_), 0) self.assertEqual(Terms.is_function(fun1), 1) self.assertEqual(Terms.is_scalar(false_), 0) self.assertEqual(Terms.is_scalar(fun1), 0) self.assertEqual(Terms.bitsize(bvbin1), 6) self.assertEqual(Terms.is_ground(false_), 1) self.assertEqual(Terms.is_ground(var1), 0) self.assertEqual(Terms.is_atomic(false_), 1) # or1 is atomic because it simplifies to true self.assertEqual(Terms.is_atomic(or1), 1) self.assertEqual(Terms.is_composite(false_), 0) self.assertEqual(Terms.is_composite(ite1), 1) self.assertEqual(Terms.is_composite(tup1), 1) self.assertEqual(Terms.is_projection(false_), 0) # Select1 simplifies self.assertEqual(Terms.is_projection(select1), 0) self.assertEqual(Terms.is_projection(select2), 1) self.assertEqual(Terms.is_sum(ite1), 0) self.assertEqual(Terms.is_sum(sum1), 1) self.assertEqual(Terms.is_bvsum(select1), 0) # bvsum1 simplifies since the terms are all numbers self.assertEqual(Terms.is_bvsum(bvsum1), 0) self.assertEqual(Terms.is_bvsum(bvsum2), 1) self.assertEqual(Terms.is_product(ite1), 0) self.assertEqual(Terms.is_product(product1), 0) self.assertEqual(Terms.is_product(product2), 1) self.assertEqual(Terms.constructor(true_), 0) self.assertEqual(Terms.constructor(int1), 1) self.assertEqual(Terms.constructor(bvconst32_1), 2) self.assertEqual(Terms.num_children(bvconst32_1), 0) self.assertEqual(Terms.num_children(select2), 1) self.assertEqual(Terms.num_children(tup1), 4) self.assertEqual(Terms.child(tup1, 2), iconst1) projarg1 = Terms.proj_arg(select2) self.assertEqual(Terms.proj_index(select2), 2) self.assertEqual(Terms.proj_arg(select2), tupconst1)