You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
63 lines
2.8 KiB
63 lines
2.8 KiB
import stormpy
|
|
import stormpy.logic
|
|
from helpers.helper import get_example_path
|
|
import math
|
|
|
|
import math
|
|
|
|
class TestBisimulation:
|
|
def test_bisimulation(self):
|
|
program = stormpy.parse_prism_program(get_example_path("dtmc", "crowds5_5.pm"))
|
|
assert program.nr_modules == 1
|
|
assert program.model_type == stormpy.PrismModelType.DTMC
|
|
|
|
prop = "P=? [F \"observe0Greater1\"]"
|
|
properties = stormpy.parse_properties_for_prism_program(prop, program)
|
|
model = stormpy.build_model(program, properties)
|
|
assert model.nr_states == 7403
|
|
assert model.nr_transitions == 13041
|
|
assert model.model_type == stormpy.ModelType.DTMC
|
|
assert not model.supports_parameters
|
|
initial_state = model.initial_states[0]
|
|
assert initial_state == 0
|
|
result = stormpy.model_checking(model, properties[0])
|
|
model_bisim = stormpy.perform_bisimulation(model, properties, stormpy.BisimulationType.STRONG)
|
|
assert model_bisim.nr_states == 64
|
|
assert model_bisim.nr_transitions == 104
|
|
assert model_bisim.model_type == stormpy.ModelType.DTMC
|
|
assert not model_bisim.supports_parameters
|
|
result_bisim = stormpy.model_checking(model_bisim, properties[0])
|
|
initial_state_bisim = model_bisim.initial_states[0]
|
|
assert initial_state_bisim == 34
|
|
assert math.isclose(result.at(initial_state), result_bisim.at(initial_state_bisim), rel_tol=1e-4)
|
|
|
|
def test_parametric_bisimulation(self):
|
|
import pycarl
|
|
program = stormpy.parse_prism_program(get_example_path("pdtmc", "brp16_2.pm"))
|
|
assert program.nr_modules == 5
|
|
assert program.model_type == stormpy.PrismModelType.DTMC
|
|
assert program.has_undefined_constants
|
|
prop = "P=? [F s=5]"
|
|
properties = stormpy.parse_properties_for_prism_program(prop, program)
|
|
model = stormpy.build_parametric_model(program, properties)
|
|
assert model.nr_states == 613
|
|
assert model.nr_transitions == 803
|
|
assert model.model_type == stormpy.ModelType.DTMC
|
|
assert model.has_parameters
|
|
initial_state = model.initial_states[0]
|
|
assert initial_state == 0
|
|
|
|
result = stormpy.model_checking(model, properties[0])
|
|
ratFunc = result.result.at(initial_state)
|
|
|
|
model_bisim = stormpy.perform_bisimulation(model, properties, stormpy.BisimulationType.STRONG)
|
|
assert model_bisim.nr_states == 324
|
|
assert model_bisim.nr_transitions == 452
|
|
assert model_bisim.model_type == stormpy.ModelType.DTMC
|
|
assert model_bisim.has_parameters
|
|
|
|
result_bisim = stormpy.model_checking(model_bisim, properties[0])
|
|
initial_state_bisim = model_bisim.initial_states[0]
|
|
assert initial_state_bisim == 316
|
|
ratFunc_bisim = result_bisim.result.at(initial_state_bisim)
|
|
assert ratFunc == ratFunc_bisim
|