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42 lines
1.2 KiB
42 lines
1.2 KiB
import stormpy
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import stormpy.core
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import stormpy.simulator
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import stormpy.shields
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import stormpy.examples
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import stormpy.examples.files
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import random
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def pre_schield_01():
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path = stormpy.examples.files.prism_mdp_lava_simple
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formula_str = "<ShieldFileName, PreSafety, gamma=0.9> Pmax=? [G !\"AgentIsInLavaAndNotDone\"]"
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program = stormpy.parse_prism_program(path)
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formulas = stormpy.parse_properties_for_prism_program(formula_str, program)
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options = stormpy.BuilderOptions([p.raw_formula for p in formulas])
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options.set_build_state_valuations(True)
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options.set_build_choice_labels(True)
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options.set_build_all_labels()
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model = stormpy.build_sparse_model_with_options(program, options)
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initial_state = model.initial_states[0]
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assert initial_state == 0
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result = stormpy.model_checking(model, formulas[0], extract_scheduler=True)
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assert result.has_scheduler
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assert result.has_schield
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shield = result.shield
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lookup = stormpy.shields.create_shield_action_lookup(model, shield)
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query = list(lookup.keys())[0]
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print(query)
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print(lookup[query])
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if __name__ == '__main__':
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pre_schield_01()
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