def _encode_local_automaton(self, local_automaton,
bound,
init_process_states,
model_states_to_encode):
impl = self._get_sync_impl(bound, init_process_states, local_automaton)
encoding_solver = GenericEncoder(self._logic,
self._loc_spec_state_prefix, self._loc_counters_postfix,
impl.state_types_by_process,
self._underlying_solver)
encoding_solver.encode_run_graph(impl, list((s,) for s in model_states_to_encode))
return encoding_solver, impl
def _encode_local_automaton(self, local_automaton, bound,
init_process_states, model_states_to_encode):
impl = self._get_sync_impl(bound, init_process_states, local_automaton)
encoding_solver = GenericEncoder(self._logic,
self._loc_spec_state_prefix,
self._loc_counters_postfix,
impl.state_types_by_process,
self._underlying_solver)
encoding_solver.encode_run_graph(
impl, list((s, ) for s in model_states_to_encode))
return encoding_solver, impl
def _encode_global_headers(self,
automaton,
automaton_index:int, max_size:int, nof_processes:int):
sys_intern_funcs_postfix = self._get_glob_sys_intern_func_postfix(automaton_index)
spec_state_type = self._get_glob_spec_state_type(automaton_index)
par_impl = self._get_par_impl(automaton, max_size, nof_processes, sys_intern_funcs_postfix)
encoding_solver = GenericEncoder(self._logic, spec_state_type, sys_intern_funcs_postfix,
par_impl.state_types_by_process,
self._underlying_solver)
# encoding_solver.encode_sys_model_functions(par_impl) # this is done in local encoder
encoding_solver.encode_sys_aux_functions(par_impl)
encoding_solver.encode_run_graph_headers(par_impl)
def _encode_local_headers(self, max_size: int, init_process_states,
sync_automaton: Automaton):
impl = self._get_sync_impl(max_size, init_process_states,
sync_automaton)
encoding_solver = GenericEncoder(self._logic,
self._loc_spec_state_prefix,
self._loc_counters_postfix,
impl.state_types_by_process,
self._underlying_solver)
encoding_solver.encode_sys_model_functions(impl)
encoding_solver.encode_sys_aux_functions(impl)
encoding_solver.encode_run_graph_headers(impl)
def _encode_local_headers(self, max_size:int, init_process_states, sync_automaton:Automaton):
impl = self._get_sync_impl(max_size, init_process_states, sync_automaton)
encoding_solver = GenericEncoder(self._logic,
self._loc_spec_state_prefix, self._loc_counters_postfix,
impl.state_types_by_process,
self._underlying_solver)
encoding_solver.encode_sys_model_functions(impl)
encoding_solver.encode_sys_aux_functions(impl)
encoding_solver.encode_run_graph_headers(impl)
def _encode_global_automaton(self, automaton_index: int,
nof_processes: int, automaton: Automaton,
model_size: int, model_states_to_encode,
already_encoded_model_states):
sys_intern_funcs_postfix = self._get_glob_sys_intern_func_postfix(
automaton_index)
spec_state_type = self._get_glob_spec_state_type(automaton_index)
par_impl = self._get_par_impl(automaton, model_size, nof_processes,
sys_intern_funcs_postfix)
encoding_solver = GenericEncoder(self._logic, spec_state_type,
sys_intern_funcs_postfix,
par_impl.state_types_by_process,
self._underlying_solver)
global_states_to_encode = self._get_global_states_to_encode(
model_states_to_encode, already_encoded_model_states,
nof_processes)
# list(product(*(nof_processes * [model_states_to_encode])))
encoding_solver.encode_run_graph(par_impl, global_states_to_encode)
return encoding_solver, par_impl
def _encode_global_automaton(self,
automaton_index:int,
nof_processes:int,
automaton:Automaton,
model_size:int,
model_states_to_encode,
already_encoded_model_states):
sys_intern_funcs_postfix = self._get_glob_sys_intern_func_postfix(automaton_index)
spec_state_type = self._get_glob_spec_state_type(automaton_index)
par_impl = self._get_par_impl(automaton, model_size, nof_processes, sys_intern_funcs_postfix)
encoding_solver = GenericEncoder(self._logic, spec_state_type, sys_intern_funcs_postfix,
par_impl.state_types_by_process,
self._underlying_solver)
global_states_to_encode = self._get_global_states_to_encode(model_states_to_encode,
already_encoded_model_states,
nof_processes)
# list(product(*(nof_processes * [model_states_to_encode])))
encoding_solver.encode_run_graph(par_impl, global_states_to_encode)
return encoding_solver, par_impl
def _encode_global_headers(self, automaton, automaton_index: int,
max_size: int, nof_processes: int):
sys_intern_funcs_postfix = self._get_glob_sys_intern_func_postfix(
automaton_index)
spec_state_type = self._get_glob_spec_state_type(automaton_index)
par_impl = self._get_par_impl(automaton, max_size, nof_processes,
sys_intern_funcs_postfix)
encoding_solver = GenericEncoder(self._logic, spec_state_type,
sys_intern_funcs_postfix,
par_impl.state_types_by_process,
self._underlying_solver)
# encoding_solver.encode_sys_model_functions(par_impl) # this is done in local encoder
encoding_solver.encode_sys_aux_functions(par_impl)
encoding_solver.encode_run_graph_headers(par_impl)
def search(automaton:Automaton,
is_mealy:bool,
input_signals, output_signals,
sizes,
underlying_solver:SolverInterface,
logic):
logger = logging.getLogger()
logger.debug(automaton)
logger.debug('search: automaton (dot) is:\n' + to_dot(automaton))
spec_states_type = 'Q'
sys_states_type = 'T'
impl = SolitaryImpl(automaton, is_mealy, input_signals, output_signals, list(sizes)[-1], sys_states_type,
underlying_solver)
encoding_solver = GenericEncoder(logic, spec_states_type, '', impl.state_types_by_process, underlying_solver)
encoding_solver.encode_sys_model_functions(impl) # TODO: emulator cannot advantage of knowing the current bound?
encoding_solver.encode_sys_aux_functions(impl)
encoding_solver.encode_run_graph_headers(impl)
#: :type: EncodingSolver
encoding_solver = encoding_solver
last_size = 0
for size in sizes:
logger.info('searching a model of size {0}..'.format(size))
cur_all_states = impl.states_by_process[0][:size]
new_states = cur_all_states[last_size:]
last_size = size
encoding_solver.encode_run_graph(impl, list((s,) for s in new_states))
encoding_solver.push()
encoding_solver.encode_model_bound(cur_all_states, impl)
model = encoding_solver.solve(impl)
if model:
return model
encoding_solver.pop()
return None