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import stormpy |
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import stormpy.logic |
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from helpers.helper import get_example_path |
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import pytest |
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class TestScheduler: |
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def test_scheduler_mdp(self): |
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program = stormpy.parse_prism_program(get_example_path("mdp", "coin2-2.nm")) |
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formulas = stormpy.parse_properties_for_prism_program("Pmin=? [ F \"finished\" & \"all_coins_equal_1\"]", program) |
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model = stormpy.build_model(program, formulas) |
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assert model.nr_states == 272 |
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assert model.nr_transitions == 492 |
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assert len(model.initial_states) == 1 |
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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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scheduler = result.scheduler |
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assert scheduler.memoryless |
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assert scheduler.memory_size == 1 |
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assert scheduler.deterministic |
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for state in model.states: |
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choice = scheduler.get_choice(state) |
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assert choice.defined |
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assert choice.deterministic |
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action = choice.get_deterministic_choice() |
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assert 0 <= action |
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assert action < len(state.actions) |