def do_reset(self, args):
"""Reset the prompt; forget the read model and restart NuSMV."""
self.fsm = None
self.model = None
self.last = None
self.paths = []
glob.reset_globals()
reset_nusmv()
def tearDown(self):
glob.reset_globals()
deinit_nusmv()
def main():
"""
Process specs on the given NuSMV model.
Build the model from a given file and check the given ATLK_irF
specifiation.
"""
sys.setrecursionlimit(100000)
# Parse arguments
parser = argparse.ArgumentParser(description='ATLK_irF model checker.')
# Populate arguments:
# size of the model, property, variant
parser.add_argument('-m', dest='model',
help='the module to generate models '
'(an SMV text model, '
'or a python module with a "model()" function, '
'and an optional "agents()" function)',
required=True)
parser.add_argument('-p', dest='property', help='the property to check',
required=True)
parser.add_argument('-i', dest='implementation',
help='the implementation to use '
'(naive, partial, early, symbolic, backward)'
' (default: naive)',
default="naive")
parser.add_argument('-pf', dest='filtering',
help='activate pre-filtering (default: deactivated)',
action='store_true', default=False)
# Variables-order-related arguments
parser.add_argument('-rbdd-order', dest="initial_ordering",
help="specify an initial variables order file",
default=None)
parser.add_argument('-no-rbdd', dest="reordering",
help='deactivate BDD variables reordering '
'(default: activated)',
action='store_false', default=True)
parser.add_argument('-rbdd-method', dest="reordering_method",
help='choose BDD variables reordering method '
'(default: sift)', default="sift")
args = parser.parse_args(sys.argv[1:])
check = lambda mas, formula: checkATLK(mas,
formula,
implementation=args.implementation,
pre_filtering=args.filtering)
# Check
with tempfile.NamedTemporaryFile(suffix=".smv") as tmp:
# Generate the model
try:
mod = importlib.import_module(args.model)
tmp.write(mod.model().encode("UTF-8"))
except ImportError:
mod = None
with open(args.model, "r") as f:
tmp.write(f.read().encode("UTF-8"))
tmp.flush()
MODELFILE = tmp.name
# Load the file in PyNuSMV
with init_nusmv():
# Set dynamic reordering on
if args.reordering:
enable_dynamic_reordering(method=args.reordering_method)
glob.load_from_file(MODELFILE)
# Build the model
if mod is not None and hasattr(mod, "agents"):
agents = mod.agents()
else:
agents = None
mas = glob.mas(agents=agents,
initial_ordering=args.initial_ordering)
# Check the property
spec = parseATLK(args.property)[0]
# Measure execution time and save it
print(str(spec) + ' is ' + str(check(mas, spec)))
# Close PyNuSMV
glob.reset_globals()