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65 lines
2.1 KiB
65 lines
2.1 KiB
import time
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import stormpy
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import stormpy.core
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import stormpy.examples
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import stormpy.examples.files
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import stormpy._config as config
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def example_parametric_models_03():
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if not config.storm_with_pars:
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print("Support parameters is missing. Try building storm-pars.")
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return
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path = stormpy.examples.files.prism_dtmc_brp
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prism_program = stormpy.parse_prism_program(path)
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formula_str = "P=? [F \"target\"]"
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properties = stormpy.parse_properties_for_prism_program(formula_str, prism_program)
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model = stormpy.build_parametric_model(prism_program, properties)
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print(model.model_type)
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start = time.time()
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t = 0
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for state in model.states:
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if state.id in model.initial_states:
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print(state)
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for action in state.actions:
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for transition in action.transitions:
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if transition.value().constant_part() == 1:
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t += 1
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#print("From state {}, with probability {}, go to state {}".format(state, transition.value(), transition.column))
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print(time.time() - start)
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print(t)
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t2 = 0
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start = time.time()
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for row_group in range(model.nr_states):
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for row in range(model.transition_matrix.get_row_group_start(row_group), model.transition_matrix.get_row_group_end(row_group)):
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for entry in model.transition_matrix.get_row(row):
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if entry.value().constant_part() == 1:
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t2 += 1
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print(time.time() - start)
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print(t2)
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states_and_transitions = []
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for row_group in range(model.nr_states):
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states_and_transitions.append([])
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for row in range(model.transition_matrix.get_row_group_start(row_group), model.transition_matrix.get_row_group_end(row_group)):
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for entry in model.transition_matrix.get_row(row):
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states_and_transitions[-1].append((entry.value(), entry.column))
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t3 = 0
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start = time.time()
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for s in states_and_transitions:
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for (v,c) in s:
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if v.constant_part() == 1:
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t3 += 1
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print(time.time() - start)
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print(t3)
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if __name__ == '__main__':
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example_parametric_models_03()
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