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###############################################################################
# Top contributors (to current version):
# Aina Niemetz, Makai Mann, Alex Ozdemir
#
# This file is part of the cvc5 project.
#
# Copyright (c) 2009-2025 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 cvc5
from cvc5 import Kind
@pytest.fixture
def tm():
return cvc5.TermManager()
@pytest.fixture
def solver(tm):
return cvc5.Solver(tm)
def testGetBool(tm):
t = tm.mkTrue()
f = tm.mkFalse()
assert t.toPythonObj() is True
assert f.toPythonObj() is False
def testGetInt(tm):
two = tm.mkInteger(2)
assert two.toPythonObj() == 2
def testGetReal(tm):
half = tm.mkReal("1/2")
assert half.toPythonObj() == Fraction(1, 2)
neg34 = tm.mkReal("-3/4")
assert neg34.toPythonObj() == Fraction(-3, 4)
neg1 = tm.mkInteger("-1")
assert neg1.toPythonObj() == -1
def testGetBV(tm):
three = tm.mkBitVector(8, 3)
assert three.toPythonObj() == 3
def testGetArray(tm):
arrsort = tm.mkArraySort(tm.getIntegerSort(), tm.getIntegerSort())
zero_array = tm.mkConstArray(arrsort, tm.mkInteger(0))
stores = tm.mkTerm(
Kind.STORE, zero_array, tm.mkInteger(1), tm.mkInteger(2))
stores = tm.mkTerm(
Kind.STORE, stores, tm.mkInteger(2), tm.mkInteger(3))
stores = tm.mkTerm(
Kind.STORE, stores, tm.mkInteger(4), tm.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(tm):
tm.mkConst(tm.getBooleanSort(), "x")
def testGetString(tm):
s1 = '"test\n"😃\\u{a}'
t1 = tm.mkString(s1)
assert s1 == t1.toPythonObj()
s2 = '❤️cvc5❤️'
t2 = tm.mkString(s2)
assert s2 == t2.toPythonObj()
def testGetValueInt(tm, solver):
solver.setOption("produce-models", "true")
intsort = tm.getIntegerSort()
x = tm.mkConst(intsort, "x")
solver.assertFormula(tm.mkTerm(Kind.EQUAL, x, tm.mkInteger(6)))
r = solver.checkSat()
assert r.isSat()
xval = solver.getValue(x)
assert xval.toPythonObj() == 6
def testGetValueReal(tm, solver):
solver.setOption("produce-models", "true")
realsort = solver.getRealSort()
x = tm.mkConst(realsort, "x")
y = tm.mkConst(realsort, "y")
solver.assertFormula(tm.mkTerm(Kind.EQUAL, x, tm.mkReal("6")))
solver.assertFormula(tm.mkTerm(Kind.EQUAL, y, tm.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() == Fraction("8.33")
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