def initZ3():
'''
first set the Z3 configs
'''
assert z3.get_version() >= (4, 8, 6, 0) #set version
z3.set_option('smt.string_solver', 'z3str3') # tell what string solver you will use
z3.set_option('timeout', 120 * 1000 ) ### 120 seconds = 2 minutes
def get_installed_version(self):
with TemporaryPath([self.bindings_dir]):
try:
import z3
(major, minor, ver, _) = z3.get_version()
return "%d.%d.%d" % (major, minor, ver)
except ImportError:
if "z3" in sys.modules:
del sys.modules["z3"]
return None
return None
def get_installed_version(self):
with TemporaryPath([self.bindings_dir]):
version = None
try:
import z3
(major, minor, ver, _) = z3.get_version()
version = "%d.%d.%d" % (major, minor, ver)
finally:
if "z3" in sys.modules:
del sys.modules["z3"]
# Return None, without raising an exception
# pylint: disable=lost-exception
return version
def get_installed_version(self):
with TemporaryPath([self.bindings_dir]):
version = None
try:
import z3
(major, minor, ver, _) = z3.get_version()
version = "%d.%d.%d" % (major, minor, ver)
finally:
if "z3" in sys.modules:
del sys.modules["z3"]
# Return None, without raising an exception
# pylint: disable=lost-exception
return version
def check_version(module):
try:
if module == "z3":
import z3
(major, minor, ver, _) = z3.get_version()
version = "%d.%d.%d" % (major, minor, ver)
elif module == "msat":
import mathsat
version_str = mathsat.msat_get_version()
m = re.match(r"^MathSAT5 version (\d+\.\d+\.\d+) .*$", version_str)
if m is not None:
version = m.group(1)
elif module == "cudd":
import repycudd
doc = repycudd.DOCSTRING
m = re.match(r"^PyCUDD (\d+\.\d+\.\d+).*", doc)
if m is not None:
version = m.group(1)
elif module == "btor":
import pyboolector
version = "OK" # Just checking if import succeeds
elif module == "cvc4":
import CVC4
version = CVC4.Configuration_getVersionString()
elif module == "picosat":
import picosat
version = picosat.picosat_version()
elif module == "yices":
import yicespy
v = yicespy.__dict__['__YICES_VERSION']
m = yicespy.__dict__['__YICES_VERSION_MAJOR']
p = yicespy.__dict__['__YICES_VERSION_PATCHLEVEL']
version = "%d.%d.%d" % (v, m, p)
else:
print("Invalid argument '%s'" % module)
exit(-2)
except ImportError:
version = None
return version
def check_version(module):
try:
if module == "z3":
import z3
(major, minor, ver, _) = z3.get_version()
version = "%d.%d.%d" % (major, minor, ver)
elif module == "msat":
import mathsat
version_str = mathsat.msat_get_version()
m = re.match(r"^MathSAT5 version (\d+\.\d+\.\d+) .*$", version_str)
if m is not None:
version = m.group(1)
elif module == "cudd":
import repycudd
doc = repycudd.DOCSTRING
m = re.match(r"^PyCUDD (\d+\.\d+\.\d+).*", doc)
if m is not None:
version = m.group(1)
elif module == "btor":
import boolector
version = "OK" # Just checking if import succeeds
elif module == "cvc4":
import CVC4
version = CVC4.Configuration_getVersionString()
elif module == "picosat":
import picosat
version = picosat.picosat_version()
elif module == "yices":
import yicespy
v = yicespy.__dict__['__YICES_VERSION']
m = yicespy.__dict__['__YICES_VERSION_MAJOR']
p = yicespy.__dict__['__YICES_VERSION_PATCHLEVEL']
version = "%d.%d.%d" % (v, m, p)
else:
print("Invalid argument '%s'" % module)
exit(-2)
except ImportError:
version = None
return version
def doZ3ForConcolicFuzzing():
'''
first set the Z3 configs
'''
assert z3.get_version() >= (4, 8, 6, 0) #set version
z3.set_option('smt.string_solver',
'z3str3') # tell what string solver you will use
z3.set_option('timeout', 60 * 1000) ### 60 seconds = 1 minute
'''
declare symbolic variables
'''
z_inp = z3.Int('inp')
'''
add constraints
'''
z_inp < 0 # correpsonds to one branch of `inp < 0`
z3.Not(z_inp < 0) # correpsonds to the other branch of `inp < 0`
'''
solve() only gives a solution
'''
soln = z3.solve(z_inp < 0)
print(soln, dir(soln))
print('=' * 50)
predicates = [z3.Not(z_inp < 0), z3.Not(z_inp == 0), z3.Not(z_inp == 1)]
'''
As solve() only gives a solution , we need more using Solver()
'''
solverObj = z3.Solver()
# solverObj.add( z3.Not( z_inp < 0 ) , z3.Not( z_inp == 0 ), z3.Not( z_inp == 1 ) )
solverObj.add(predicates[0:-1] + [z3.Not(predicates[-1])])
print(solverObj.check())
if solverObj.check() == z3.sat and solverObj.check() != z3.unknown:
m_ = solverObj.model()
for decl_ in m_.decls():
print("Constraint variable(%s)=%s" % (decl_.name(), m_[decl_]))
else:
print("Solution not found. Oops!")
show_cfg(check_triangle)
if __name__ == '__main__':
paths = {
'<path 1>': ([1, 2, 3, 4, 5], 'Equilateral'),
'<path 2>': ([1, 2, 3, 4, 7], 'Isosceles'),
'<path 3>': ([1, 2, 3, 9], 'Isosceles'),
'<path 4>': ([1, 2, 11, 12, 13], 'Isosceles'),
'<path 5>': ([1, 2, 11, 12, 15], 'Scalene'),
'<path 6>': ([1, 2, 11, 17], 'Isosceles'),
}
import z3 # type: ignore
if __name__ == '__main__':
z3_ver = z3.get_version()
print(z3_ver)
if __name__ == '__main__':
assert z3_ver >= (4, 8, 6, 0), "Please check z3 version"
def get_annotations(fn):
sig = inspect.signature(fn)
return ([(i.name, i.annotation)
for i in sig.parameters.values()], sig.return_annotation)
if __name__ == '__main__':
params, ret = get_annotations(check_triangle)
params, ret
("iommu_isolation", "iommu_pgwalk"),
]
if __name__ == "__main__":
parser = argparse.ArgumentParser()
parser.add_argument('--interactive',
type=bool,
nargs='?',
default=INTERACTIVE,
const=True)
parser.add_argument('--model-hi',
type=bool,
nargs='?',
default=MODEL_HI,
const=True)
args, unknown = parser.parse_known_args(sys.argv)
INTERACTIVE = args.interactive
MODEL_HI = args.model_hi
del sys.argv[:]
sys.argv.extend(unknown)
if INTERACTIVE:
Solver = z3.Solver
print "Using z3 v" + '.'.join(map(str, z3.get_version()))
unittest.main()
def get_z3_version(as_str=False):
import z3
print(
'WARN: deprecated, use z3.get_version() or z3.get_version_string() directly'
)
return z3.get_version_string() if as_str else z3.get_version()
import os
import sys
from setuptools import setup, find_packages
def die(msg):
print(msg, file=sys.stderr)
sys.exit(1)
if sys.version_info < (3, 4):
die("Need Python >= 3.4; found {}".format(sys.version))
try:
import z3
if z3.get_version() < (4, 5):
die("Need Z3 >= 4.5; found {}".format(z3.get_version_string()))
except ImportError:
die("Z3 Python module was not found")
with open(os.path.join(os.path.dirname(__file__), "requirements.txt")) as f:
reqs = [line.strip() for line in f]
setup(
name='Cozy',
version='2.0a1',
description='Data Structure Synthesizer',
author='Calvin Loncaric',
author_email='*****@*****.**',
url='https://cozy.uwplse.org/',
packages=find_packages(),
