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.
33 lines
1.3 KiB
33 lines
1.3 KiB
import stormpy
|
|
import stormpy.core
|
|
|
|
import stormpy.examples
|
|
import stormpy.examples.files
|
|
|
|
|
|
def example_analysis_03():
|
|
path = stormpy.examples.files.prism_dtmc_die
|
|
prism_program = stormpy.parse_prism_program(path)
|
|
|
|
formula_str = "P=? [F s=7 & d=2]"
|
|
properties = stormpy.parse_properties(formula_str, prism_program)
|
|
model = stormpy.build_model(prism_program, properties)
|
|
env = stormpy.Environment()
|
|
env.solver_environment.set_linear_equation_solver_type(stormpy.EquationSolverType.native)
|
|
env.solver_environment.native_solver_environment.method = stormpy.NativeLinearEquationSolverMethod.optimistic_value_iteration
|
|
env.solver_environment.native_solver_environment.precision = stormpy.Rational("0.9")
|
|
#env.solver_environment.native_solver_environment.maximum_iterations = 2
|
|
result = stormpy.model_checking(model, properties[0], environment=env)
|
|
print(result.at(model.initial_states[0]))
|
|
|
|
dd_model = stormpy.build_symbolic_model(prism_program, properties)
|
|
result = stormpy.model_checking(dd_model, properties[0], environment=env)
|
|
filter = stormpy.create_filter_initial_states_symbolic(dd_model)
|
|
result.filter(filter)
|
|
assert result.min == result.max
|
|
print(result.min)
|
|
|
|
|
|
|
|
if __name__ == '__main__':
|
|
example_analysis_03()
|