def parse_acacia_and_build_expr(ltl_text:str, part_text:str,
ltl_to_atm:LTLToAutomaton,
strengthen_lvl) -> Spec:
""" Note: parses and strengthens the formula. """
input_signals, output_signals, data_by_unit = acacia_parser.parse(ltl_text, part_text)
assert data_by_unit is not None
ltl_properties = []
for (unit_name, unit_data) in data_by_unit.items():
assumptions = unit_data[0]
guarantees = unit_data[1]
a_safeties, a_livenesses = split_safety_liveness(assumptions, ltl_to_atm)
g_safeties, g_livenesses = split_safety_liveness(guarantees, ltl_to_atm)
if strengthen_lvl == 2:
ltl_property = strengthen2([], [],
a_safeties, g_safeties,
a_livenesses, g_livenesses)
elif strengthen_lvl == 1:
ltl_property = strengthen1([], [],
a_safeties, g_safeties,
a_livenesses, g_livenesses)
else:
ltl_property = and_expr(list(a_safeties) + list(a_livenesses))\
>> and_expr(list(g_safeties) + list(g_livenesses))
ltl_properties.append(ltl_property)
return Spec(input_signals, output_signals, and_expr(ltl_properties))
def _get_acacia_spec(ltl_text:str, part_text:str, logger:logging.Logger) -> (list, list, SpecProperty):
input_signals, output_signals, data_by_name = acacia_parser.parse(ltl_text, part_text, logger)
if data_by_name is None:
return None, None, None
spec_properties = []
for (unit_name, unit_data) in data_by_name.items():
assumptions = unit_data[0]
guarantees = unit_data[1]
spec_properties.append(SpecProperty(assumptions, guarantees))
spec_property = and_properties(spec_properties)
return input_signals, output_signals, spec_property
def _get_acacia_spec(ltl_text: str, part_text: str,
logger: logging.Logger) -> (list, list, SpecProperty):
input_signals, output_signals, data_by_name = acacia_parser.parse(
ltl_text, part_text, logger)
if data_by_name is None:
return None, None, None
spec_properties = []
for (unit_name, unit_data) in data_by_name.items():
assumptions = unit_data[0]
guarantees = unit_data[1]
spec_properties.append(SpecProperty(assumptions, guarantees))
spec_property = and_properties(spec_properties)
return input_signals, output_signals, spec_property
root.append(ltl_node)
def _get_doctype():
return '<!DOCTYPE SynthesisProblem SYSTEM "./SynSpec.dtd">\n'
if __name__ == '__main__':
if len(sys.argv) != 2:
print('Missing arguments. \n{me} <acacia_ltl>'.format(me=__file__))
exit(0)
ltl_text = open(sys.argv[1]).read()
part_text = open(sys.argv[1].replace('.ltl', '.part')).read()
input_signals, output_signals, data_by_name = acacia_parser.parse(ltl_text, part_text, logging.getLogger())
root = ET.Element('SynthesisProblem')
ET.SubElement(root, 'Title')
ET.SubElement(root, 'Description')
path_to_ltl = ET.SubElement(root, 'PathToLTLCompiler')
path_to_ltl.text = 'hoho!' # unbeast cannot handle an empty path
#: :type: Element
inputs_element = ET.SubElement(root, 'GlobalInputs')
_define_signals(input_signals, inputs_element)
outputs_element = ET.SubElement(root, 'GlobalOutputs')
_define_signals(output_signals, outputs_element)
all_assumptions = set()
