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.
42 lines
2.1 KiB
42 lines
2.1 KiB
import stormpy
|
|
import stormpy.logic
|
|
import stormpy.pars
|
|
from helpers.helper import get_example_path
|
|
|
|
class TestModelChecking:
|
|
def test_pla(self):
|
|
program = stormpy.parse_prism_program(get_example_path("pdtmc", "brp16_2.pm"))
|
|
prop = "P<=0.84 [F s=5 ]"
|
|
formulas = stormpy.parse_properties_for_prism_program(prop, program)
|
|
model = stormpy.build_parametric_model(program, formulas)
|
|
assert model.nr_states == 613
|
|
assert model.nr_transitions == 803
|
|
assert model.model_type == stormpy.ModelType.DTMC
|
|
assert model.has_parameters
|
|
checker = stormpy.pars.create_region_checker(model, formulas[0].raw_formula)
|
|
parameters = model.collect_probability_parameters()
|
|
assert len(parameters) == 2
|
|
region = stormpy.pars.ParameterRegion("0.7<=pL<=0.9,0.75<=pK<=0.95", parameters)
|
|
result = checker.check_region(region)
|
|
assert result == stormpy.pars.RegionResult.ALLSAT
|
|
region = stormpy.pars.ParameterRegion("0.4<=pL<=0.65,0.75<=pK<=0.95", parameters)
|
|
result = checker.check_region(region, stormpy.pars.RegionResultHypothesis.UNKNOWN, stormpy.pars.RegionResult.UNKNOWN, True)
|
|
assert result == stormpy.pars.RegionResult.EXISTSBOTH
|
|
region = stormpy.pars.ParameterRegion("0.1<=pL<=0.73,0.2<=pK<=0.715", parameters)
|
|
result = checker.check_region(region)
|
|
assert result == stormpy.pars.RegionResult.ALLVIOLATED
|
|
|
|
def test_derivatives(self):
|
|
import pycarl
|
|
program = stormpy.parse_prism_program(get_example_path("pdtmc", "brp16_2.pm"))
|
|
prop = "P<=0.84 [F s=5 ]"
|
|
formulas = stormpy.parse_properties_for_prism_program(prop, program)
|
|
model = stormpy.build_parametric_model(program, formulas)
|
|
assert model.nr_states == 613
|
|
assert model.nr_transitions == 803
|
|
assert model.model_type == stormpy.ModelType.DTMC
|
|
assert model.has_parameters
|
|
parameters = model.collect_probability_parameters()
|
|
assert len(parameters) == 2
|
|
derivatives = stormpy.pars.gather_derivatives(model, list(parameters)[0])
|
|
assert len(derivatives) == 0
|