mode = m_waiting_tm_var
elif mode == m_waiting_tm_var:
if line.startswith('tm var'):
tm_var_line = line
mode = m_waiting_braces
elif mode == m_waiting_braces:
if line.startswith('{'):
mode = m_reading_model
model_definition = ""
elif line.startswith('}'):
mode = m_waiting_mode
elif mode == m_reading_model:
if line.startswith('}'):
# taylor model finished
model_definition = remove_intervals_from_tm(model_definition)
rv.append(TaylorModel(mode_name, tm_var_line, model_definition))
mode = m_waiting_braces
else:
model_definition += line + "\n"
return rv
if __name__ == "__main__":
tool_main(FlowstarTool())
if "not yet supported" in str(e):
rv = RunCode.SKIP
else:
rv = RunCode.ERROR
return rv
def _make_image(self):
'''make an image. For Hylaa, the image will already be made during computation.'''
return True
def parse_output(self, dummy_directory, lines, dummy_hypy_out):
'''returns the parsed output object
For hylaa, this is the hylaa engine object of the most recent run.
'''
rv = {'safe': None}
for line in reversed(lines):
if 'Result: Error modes are NOT reachable.' in line:
rv['safe'] = True
elif 'Result: Error modes are reachable.' in line:
rv['safe'] = False
return rv
if __name__ == "__main__":
tool_main(HylaaTool())
'''returns the parsed output object
For pysim, this returns a dictionary created by run_tool():
{ 'simulations': <the result of running simulate()>,
'variables': <list of state variable names>,
'interval_bounds': interval bounds [x_min, x_max] of the state variables, as np.array with shape (n, 2)
}
Further entries may be added in the future.
'''
# NOTE: This function is not called on the same tool object as _run_tool and _make_image because these are run in a subprocess,
# whereas parse_output is run in the main python process that called hypy.Engine.run().
# Additionally, the temporary directory gets deleted before parse_output is called.
# Therefore, the data must be passed via stdout.
prefix = "PYSIM_RESULT_FILE="
for line in lines:
if line.startswith(prefix):
# import data printed from _run_tool()
path = line[len(prefix):]
with open(path, 'rb') as f:
self._result = pickle.load(f)
os.remove(path)
assert self._result is not None, "could not find {} in output".format(
prefix)
return self._result
if __name__ == "__main__":
tool_main(PySimTool())
def _main():
'''main func for running SpaceEx'''
extra_args = [('-cfg', 'cfg file')]
tool_main(SpaceExTool(), extra_args)
mode = m_waiting_tm_var
elif mode == m_waiting_tm_var:
if line.startswith('tm var'):
tm_var_line = line
mode = m_waiting_braces
elif mode == m_waiting_braces:
if line.startswith('{'):
mode = m_reading_model
model_definition = ""
elif line.startswith('}'):
mode = m_waiting_mode
elif mode == m_reading_model:
if line.startswith('}'):
# taylor model finished
model_definition = remove_intervals_from_tm(model_definition)
rv.append(TaylorModel(mode_name, tm_var_line, model_definition))
mode = m_waiting_braces
else:
model_definition += line + "\n"
return rv
if __name__ == "__main__":
tool_main(FlowstarTool())
print "Error Running HyCreate (java return code was " + str(
proc.returncode) + ")"
if proc.returncode == 1:
print "Did you assign HYCREATE_BIN?"
rv = RunCode.ERROR
except OSError as e:
print "Exception while trying to run HyCreate2: " + str(e)
rv = RunCode.ERROR
return rv
def _make_image(self):
'''makes the image after the tool runs, returns True on success'''
rv = True
from_path = "result/reachability.png"
to_path = self.image_path
try:
shutil.copyfile(from_path, to_path)
except IOError:
rv = False
return rv
if __name__ == "__main__":
tool_main(HyCreateTool())
'''make an image'''
if self._pysim_model == None:
raise RuntimeError('pysim_model unassigned; pysim needs _run_tool() to be called before _make_image()')
plot = getattr(self._pysim_model, 'plot')
plot(self._result, self._init_states, self.image_path)
return True
def parse_output(self, dummy_directory, dummy_lines, dummy_hypy_out):
'''returns the parsed output object
For pysim, this is the result of running simulate()
'''
return self._result
if __name__ == "__main__":
tool_main(PySimTool())
rv = RunCode.ERROR
except OSError as e:
print "Exception while trying to run Hylaa: " + str(e)
rv = RunCode.ERROR
return rv
def _make_image(self):
'''make an image. For Hylaa, the image will already be made during computation.'''
return True
def parse_output(self, dummy_directory, lines, dummy_hypy_out):
'''returns the parsed output object
For hylaa, this is the hylaa engine object of the most recent run.
'''
rv = {'safe': None}
for line in reversed(lines):
if 'Result: Error modes are NOT reachable.' in line:
rv['safe'] = True
elif 'Result: Error modes are reachable.' in line:
rv['safe'] = False
return rv
if __name__ == "__main__":
tool_main(Hylaa2Tool())
if proc.returncode != 0:
print "Error Running HyCreate (java return code was " + str(proc.returncode) + ")"
if proc.returncode == 1:
print "Did you assign HYCREATE_BIN?"
rv = RunCode.ERROR
except OSError as e:
print "Exception while trying to run HyCreate2: " + str(e)
rv = RunCode.ERROR
return rv
def _make_image(self):
'''makes the image after the tool runs, returns True on success'''
rv = True
from_path = "result/reachability.png"
to_path = self.image_path
try:
shutil.copyfile(from_path, to_path)
except IOError:
rv = False
return rv
if __name__ == "__main__":
tool_main(HyCreateTool())
params = [
self.tool_path, "-k", "0", self.model_path, "--verbose",
"--visualize"
]
print "Calling dreach with params:", params
if not run_check_stderr(params):
rv = RunCode.ERROR
return rv
def _copy_model(self, temp_folder):
'''copy the model to the temp folder and sets self.model_path
overriden to ensure .drh extension
'''
model_name = os.path.basename(self.original_model_path)
if not model_name.endswith(".drh"):
model_name += ".drh"
self.model_path = os.path.join(temp_folder, model_name)
shutil.copyfile(self.original_model_path, self.model_path)
if __name__ == "__main__":
print "Starting dReach. If you kill the tool early, be sure to kill any spawned " \
"subprocesses ('killall dReal')."
tool_main(DReachTool())
