1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
|
###############################################################################
# Top contributors (to current version):
# Makai Mann, Andres Noetzli, Mudathir Mohamed
#
# This file is part of the cvc5 project.
#
# Copyright (c) 2009-2021 by the authors listed in the file AUTHORS
# in the top-level source directory and their institutional affiliations.
# All rights reserved. See the file COPYING in the top-level source
# directory for licensing information.
# #############################################################################
##
from fractions import Fraction
import pytest
import pycvc5
from pycvc5 import kinds
def testGetBool():
solver = pycvc5.Solver()
t = solver.mkTrue()
f = solver.mkFalse()
assert t.toPythonObj() == True
assert f.toPythonObj() == False
def testGetInt():
solver = pycvc5.Solver()
two = solver.mkInteger(2)
assert two.toPythonObj() == 2
def testGetReal():
solver = pycvc5.Solver()
half = solver.mkReal("1/2")
assert half.toPythonObj() == Fraction(1, 2)
neg34 = solver.mkReal("-3/4")
assert neg34.toPythonObj() == Fraction(-3, 4)
neg1 = solver.mkInteger("-1")
assert neg1.toPythonObj() == -1
def testGetBV():
solver = pycvc5.Solver()
three = solver.mkBitVector(8, 3)
assert three.toPythonObj() == 3
def testGetArray():
solver = pycvc5.Solver()
arrsort = solver.mkArraySort(solver.getRealSort(), solver.getRealSort())
zero_array = solver.mkConstArray(arrsort, solver.mkInteger(0))
stores = solver.mkTerm(kinds.Store, zero_array, solver.mkInteger(1), solver.mkInteger(2))
stores = solver.mkTerm(kinds.Store, stores, solver.mkInteger(2), solver.mkInteger(3))
stores = solver.mkTerm(kinds.Store, stores, solver.mkInteger(4), solver.mkInteger(5))
array_dict = stores.toPythonObj()
assert array_dict[1] == 2
assert array_dict[2] == 3
assert array_dict[4] == 5
# an index that wasn't stored at should give zero
assert array_dict[8] == 0
def testGetSymbol():
solver = pycvc5.Solver()
solver.mkConst(solver.getBooleanSort(), "x")
def testGetString():
solver = pycvc5.Solver()
s1 = '"test\n"😃\\u{a}'
t1 = solver.mkString(s1)
assert s1 == t1.toPythonObj()
s2 = '❤️cvc5❤️'
t2 = solver.mkString(s2)
assert s2 == t2.toPythonObj()
def testGetValueInt():
solver = pycvc5.Solver()
solver.setOption("produce-models", "true")
intsort = solver.getIntegerSort()
x = solver.mkConst(intsort, "x")
solver.assertFormula(solver.mkTerm(kinds.Equal, x, solver.mkInteger(6)))
r = solver.checkSat()
assert r.isSat()
xval = solver.getValue(x)
assert xval.toPythonObj() == 6
def testGetValueReal():
solver = pycvc5.Solver()
solver.setOption("produce-models", "true")
realsort = solver.getRealSort()
x = solver.mkConst(realsort, "x")
y = solver.mkConst(realsort, "y")
solver.assertFormula(solver.mkTerm(kinds.Equal, x, solver.mkReal("6")))
solver.assertFormula(solver.mkTerm(kinds.Equal, y, solver.mkReal("8.33")))
r = solver.checkSat()
assert r.isSat()
xval = solver.getValue(x)
yval = solver.getValue(y)
assert xval.toPythonObj() == Fraction("6")
assert yval.toPythonObj() == float(Fraction("8.33"))
|
