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35 lines
1.7 KiB
35 lines
1.7 KiB
import stormpy
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import stormpy.logic
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class TestModelChecking:
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def test_state_elimination(self):
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program = stormpy.parse_prism_program("../examples/dtmc/die/die.pm")
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formulas = stormpy.parse_formulas_for_prism_program("P=? [ F \"one\" ]", program)
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model = stormpy.build_model(program, formulas[0])
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assert model.nr_states() == 13
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assert model.nr_transitions() == 20
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result = stormpy.model_checking(model, formulas[0])
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assert result == 0.16666666666666663
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def test_parametric_state_elimination(self):
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import pycarl
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import pycarl.formula
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program = stormpy.parse_prism_program("../examples/pdtmc/brp/brp_16_2.pm")
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prop = "P=? [F \"target\"]"
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formulas = stormpy.parse_formulas_for_prism_program(prop, program)
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pair = stormpy.build_parametric_model_from_prism_program(program, formulas)
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model = pair.model
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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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result = stormpy.model_checking(model, formulas[0])
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func = result.result_function
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one = pycarl.FactorizedPolynomial(pycarl.Rational(1))
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assert func.denominator == one
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constraints_well_formed = result.constraints_well_formed
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for constraint in constraints_well_formed:
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assert constraint.rel() == pycarl.formula.Relation.GEQ or constraint.rel() == pycarl.formula.Relation.LEQ
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constraints_graph_preserving = result.constraints_graph_preserving
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for constraint in constraints_graph_preserving:
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assert constraint.rel() == pycarl.formula.Relation.GREATER
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