def main(tlsf_file_name, output_file_name, dot_file_name, smt_files_prefix, keep_temp_files) -> int:
""" :return: REALIZABLE, UNREALIZABLE, UNKNOWN (see elli) """
timer = Timer()
logic = UFLRA()
ltl3ba, solver_factory = create_spec_converter_z3(logic, True, False, smt_files_prefix, not keep_temp_files)
ltl_text, part_text = convert_tlsf_to_acacia(tlsf_file_name)
is_moore = get_spec_type(tlsf_file_name)
try:
timer.sec_restart()
env_model = elli.check_unreal(
ltl_text, part_text, is_moore, ltl3ba, solver_factory, 1, 1, ltl3ba_timeout_sec=200
)
logging.info("unreal check took (sec): %i" % timer.sec_restart())
logging.info("env model is {NOT} FOUND".format(NOT="" if env_model else "NOT"))
if env_model:
print("UNREALIZABLE")
logging.debug(lts_to_dot(env_model, ARG_MODEL_STATE, is_moore))
return UNREALIZABLE
except subprocess.TimeoutExpired:
logging.info("I aborted unreal check (>200sec). Proceed to real check.")
model = elli.check_real(ltl_text, part_text, is_moore, ltl3ba, solver_factory, 1, 40)
logging.info("real check took (sec): %i" % timer.sec_restart())
logging.info("sys model is {NOT} FOUND".format(NOT="" if model else "NOT"))
if not model:
logging.info("trying check_real without formula strengthening")
model = elli.check_real(ltl_text, part_text, is_moore, ltl3ba, solver_factory, 1, 40, opt_level=0)
logging.info("(without formula strengthening): real check took (sec): %i" % timer.sec_restart())
logging.info("(without formula strengthening): sys model is {NOT} FOUND".format(NOT="" if model else "NOT"))
if not model:
return UNKNOWN
dot_model_str = lts_to_dot(model, ARG_MODEL_STATE, not is_moore)
if dot_file_name:
with open(dot_file_name, "w") as out:
out.write(dot_model_str)
logging.info(
"{model_type} model is written to {file}".format(model_type=["Mealy", "Moore"][is_moore], file=out.name)
)
else:
logging.info(dot_model_str)
aiger_model_str = lts_to_aiger(model)
logging.info("circuit size: %i" % len(model.states))
if output_file_name:
with open(output_file_name, "w") as out:
out.write(aiger_model_str)
else:
print("REALIZABLE")
print(aiger_model_str)
solver_factory.down_solvers()
return REALIZABLE
def main():
""" :return: 1 if model is found, 0 otherwise """
parser = argparse.ArgumentParser(
description="Bounded Synthesis Tool", formatter_class=argparse.ArgumentDefaultsHelpFormatter
)
parser.add_argument("spec", metavar="spec", type=str, help="the specification file (acacia+ format)")
group = parser.add_mutually_exclusive_group() # default: moore=False, mealy=True
group.add_argument("--moore", action="store_true", default=False, help="system is Moore")
group.add_argument("--mealy", action="store_false", default=True, help="system is Mealy")
group = parser.add_mutually_exclusive_group()
group.add_argument(
"--bound",
metavar="bound",
type=int,
default=128,
required=False,
help="upper bound on the size of the model (for unreal this specifies size of env model)",
)
group.add_argument(
"--size",
metavar="size",
type=int,
default=0,
required=False,
help="search the model of this size (for unreal this specifies size of env model)",
)
parser.add_argument("--incr", action="store_true", required=False, default=False, help="use incremental solving")
parser.add_argument("--tmp", action="store_true", required=False, default=False, help="keep temporary smt2 files")
parser.add_argument("--dot", metavar="dot", type=str, required=False, help="write the output into a dot graph file")
parser.add_argument("--log", metavar="log", type=str, required=False, default=None, help="name of the log file")
parser.add_argument(
"--unreal",
action="store_true",
required=False,
help="simple check of unrealizability: "
"invert the spec, system type, (in/out)puts, "
"and synthesize the model for env "
"(a more sophisticated check could search for env that disproves systems of given size)"
"(note that the inverted spec will NOT be strengthened)",
)
parser.add_argument("-v", "--verbose", action="count", default=0)
args = parser.parse_args()
setup_logging(args.verbose, args.log)
logging.info(args)
if args.incr and args.tmp:
logging.warning(
"--tmp --incr: incremental queries do not produce smt2 files, " "so I won't save any temporal files."
)
with tempfile.NamedTemporaryFile(dir="./") as smt_file:
smt_files_prefix = smt_file.name
ltl3ba, solver_factory = create_spec_converter_z3(UFLRA(), args.incr, False, smt_files_prefix, not args.tmp)
if args.size == 0:
min_size, max_size = 1, args.bound
else:
min_size, max_size = args.size, args.size
ltl_text, part_text = readfile(args.spec), readfile(args.spec.replace(".ltl", ".part"))
if not args.unreal:
model = check_real(ltl_text, part_text, args.moore, ltl3ba, solver_factory, min_size, max_size)
else:
model = check_unreal(ltl_text, part_text, args.moore, ltl3ba, solver_factory, min_size, max_size)
logging.info(
"{status} model for {who}".format(status=("FOUND", "NOT FOUND")[model is None], who=("sys", "env")[args.unreal])
)
if model:
dot_model_str = lts_to_dot(model, ARG_MODEL_STATE, (not args.moore) ^ args.unreal)
if args.dot:
with open(args.dot, "w") as out:
out.write(dot_model_str)
logging.info(
"{model_type} model is written to {file}".format(
model_type=["Mealy", "Moore"][args.moore], file=out.name
)
)
else:
logging.info(dot_model_str)
solver_factory.down_solvers()
return UNKNOWN if model is None else (REALIZABLE, UNREALIZABLE)[args.unreal]
'--opt',
choices=sorted(list(OPTS.keys()), key=lambda v: OPTS[v]),
required=False,
default=ASYNC_HUB,
help='apply an optimization (choose one) (default: %(default)s)')
args = parser.parse_args(sys.argv[1:])
logger = setup_logging(args.verbose)
logger.info(args)
with tempfile.NamedTemporaryFile(dir='./') as smt_file:
smt_files_prefix = smt_file.name
ltl2ucw_converter, z3solver_factory = create_spec_converter_z3(
logger, UFLIA(None), args.incr, smt_files_prefix)
if not ltl2ucw_converter or not z3solver_factory:
exit(0)
bounds = list(
range(2, args.bound +
1) if args.size == 0 else range(args.size, args.size + 1))
logic = UFLIA(None)
logger.info('temp file prefix used is %s', smt_files_prefix)
is_realizable = main(args.ltl.read(), args.opt, args.moore, args.dot,
bounds, args.cutoff, ltl2ucw_converter,
z3solver_factory, logic, args.cincr, logger)
help='keep temporary smt2 files')
parser.add_argument('--incr', action='store_true', required=False, default=False,
help='produce incremental queries')
parser.add_argument('-v', '--verbose', action='count', default=0)
args = parser.parse_args(sys.argv[1:])
logger = setup_logging(args.verbose)
logger.info(args)
with tempfile.NamedTemporaryFile(dir='./') as smt_file:
smt_files_prefix = smt_file.name
logic = UFLIA(None)
ltl2ucw_converter, solver_factory = create_spec_converter_z3(logger, logic, args.incr, smt_files_prefix)
if not ltl2ucw_converter or not solver_factory:
exit(1)
bounds = list(range(1, args.bound + 1) if args.size == 0 else range(args.size, args.size + 1))
ltl_text = args.ltl.read()
part_file_name = '.'.join(args.ltl.name.split('.')[:-1]) + '.part'
with open(part_file_name) as part_file:
part_text = part_file.read()
generic_smt_encoder.ENCODE_INCREMENTALLY = args.incr
is_realizable = main(ltl_text, part_text, args.moore, args.dot, args.nusmv, bounds,
ltl2ucw_converter,
required=False,
default=False,
help='produce incremental queries')
parser.add_argument('-v', '--verbose', action='count', default=0)
args = parser.parse_args(sys.argv[1:])
logger = setup_logging(args.verbose)
logger.info(args)
with tempfile.NamedTemporaryFile(dir='./') as smt_file:
smt_files_prefix = smt_file.name
logic = UFLIA(None)
ltl2ucw_converter, solver_factory = create_spec_converter_z3(
logger, logic, args.incr, smt_files_prefix)
if not ltl2ucw_converter or not solver_factory:
exit(1)
bounds = list(
range(1, args.bound +
1) if args.size == 0 else range(args.size, args.size + 1))
ltl_text = args.ltl.read()
part_file_name = '.'.join(args.ltl.name.split('.')[:-1]) + '.part'
with open(part_file_name) as part_file:
part_text = part_file.read()
generic_smt_encoder.ENCODE_INCREMENTALLY = args.incr
parser.add_argument('--cincr', action='store_true', required=False, default=False,
help='try smaller cutoff sizes first')
parser.add_argument('--opt', choices=sorted(list(OPTS.keys()), key=lambda v: OPTS[v]), required=False,
default=ASYNC_HUB,
help='apply an optimization (choose one) (default: %(default)s)')
args = parser.parse_args(sys.argv[1:])
logger = setup_logging(args.verbose)
logger.info(args)
with tempfile.NamedTemporaryFile(dir='./') as smt_file:
smt_files_prefix = smt_file.name
ltl2ucw_converter, z3solver_factory = create_spec_converter_z3(logger, UFLIA(None), args.incr, smt_files_prefix)
if not ltl2ucw_converter or not z3solver_factory:
exit(0)
bounds = list(range(2, args.bound + 1) if args.size == 0 else range(args.size, args.size + 1))
logic = UFLIA(None)
logger.info('temp file prefix used is %s', smt_files_prefix)
is_realizable = main(args.ltl.read(),
args.opt,
args.moore,
args.dot,
bounds,
args.cutoff,
help='assume a Mealy model')
parser.add_argument('--minsize', metavar='minsize', type=int, default=1, required=False,
help='start from size')
parser.add_argument('--maxsize', metavar='maxsize', type=int, default=4, required=False,
help='stop at this size')
parser.add_argument('-v', '--verbose', action='count', default=0)
args = parser.parse_args()
assert args.minsize <= args.maxsize
logger = setup_logging(args.verbose)
logger.info(args)
with tempfile.NamedTemporaryFile(dir='./') as smt_file:
smt_files_prefix = smt_file.name
ltl3ba, solver_factory = create_spec_converter_z3(UFLRA(),
False,
True,
smt_files_prefix,
True)
elli.check_real(readfile(args.spec),
readfile(args.spec.replace('.ltl', '.part')),
args.moore,
ltl3ba, solver_factory,
args.minsize, args.maxsize)
solver_factory.down_solvers()
exit(0)