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45 lines
2.0 KiB
45 lines
2.0 KiB
import stormpy
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import stormpy.logic
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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.PLAChecker(model)
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checker.specify_formula(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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#if str(parameters[0]) == "pL":
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# pL = parameters[0]
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# pK = parameters[1]
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#else:
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# pK = parameters[0]
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# pL = parameters[1]
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#assert str(pL) == "pL"
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#assert str(pK) == "pK"
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#lowerBounds = {pL: 0.7, pK: 0.75}
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#upperBounds = {pL: 0.9, pK: 0.95}
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#region = stormpy.ParameterRegion(lowerBounds, upperBounds)
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region = stormpy.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.RegionCheckResult.ALLSAT
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#lowerBounds = {pL: 0.4, pK: 0.75}
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#upperBounds = {pL: 0.65, pK: 0.95}
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#region = stormpy.ParameterRegion(lowerBounds, upperBounds)
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region = stormpy.ParameterRegion("0.4<=pL<=0.65,0.75<=pK<=0.95", parameters)
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result = checker.check_region(region)
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assert result == stormpy.RegionCheckResult.EXISTSBOTH
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#lowerBounds = {pL: 0.1, pK: 0.2}
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#upperBounds = {pL: 0.73, pK: 0.715}
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#region = stormpy.ParameterRegion(lowerBounds, upperBounds)
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region = stormpy.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.RegionCheckResult.ALLVIOLATED
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