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