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import stormpy # type: ignore | ||
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def example_building_dtmcs_01(): | ||
# Use the SparseMatrixBuilder for constructing the transition matrix | ||
builder = stormpy.SparseMatrixBuilder( | ||
rows=0, | ||
columns=0, | ||
entries=0, | ||
force_dimensions=False, | ||
has_custom_row_grouping=False, | ||
) | ||
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# New Transition from state 0 to target state 1 with probability 0.5 | ||
builder.add_next_value(row=0, column=1, value=0.5) | ||
builder.add_next_value(0, 2, 0.5) | ||
builder.add_next_value(1, 3, 0.5) | ||
builder.add_next_value(1, 4, 0.5) | ||
builder.add_next_value(2, 5, 0.5) | ||
builder.add_next_value(2, 6, 0.5) | ||
builder.add_next_value(3, 7, 0.5) | ||
builder.add_next_value(3, 1, 0.5) | ||
builder.add_next_value(4, 8, 0.5) | ||
builder.add_next_value(4, 9, 0.5) | ||
builder.add_next_value(5, 10, 0.5) | ||
builder.add_next_value(5, 11, 0.5) | ||
builder.add_next_value(6, 2, 0.5) | ||
builder.add_next_value(6, 12, 0.5) | ||
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# Add transitions for the final states | ||
for s in range(7, 13): | ||
builder.add_next_value(s, s, 1) | ||
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# Build matrix | ||
transition_matrix = builder.build() | ||
print(transition_matrix) | ||
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# State labeling | ||
state_labeling = stormpy.storage.StateLabeling(13) | ||
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# Add labels | ||
labels = {"init", "one", "two", "three", "four", "five", "six", "done", "deadlock"} | ||
for label in labels: | ||
state_labeling.add_label(label) | ||
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# Set label of state 0 | ||
state_labeling.add_label_to_state("init", 0) | ||
print(state_labeling.get_states("init")) | ||
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# Set remaining labels | ||
state_labeling.add_label_to_state("one", 7) | ||
state_labeling.add_label_to_state("two", 8) | ||
state_labeling.add_label_to_state("three", 9) | ||
state_labeling.add_label_to_state("four", 10) | ||
state_labeling.add_label_to_state("five", 11) | ||
state_labeling.add_label_to_state("six", 12) | ||
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# Set label 'done' for multiple states | ||
state_labeling.set_states("done", stormpy.BitVector(13, [7, 8, 9, 10, 11, 12])) | ||
print(state_labeling) | ||
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# Reward models: | ||
reward_models = {} | ||
# Create a vector representing the state-action rewards | ||
action_reward = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0] | ||
reward_models["coin_flips"] = stormpy.SparseRewardModel( | ||
optional_state_action_reward_vector=action_reward | ||
) | ||
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components = stormpy.SparseModelComponents( | ||
transition_matrix=transition_matrix, | ||
state_labeling=state_labeling, | ||
reward_models=reward_models, | ||
) | ||
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dtmc = stormpy.storage.SparseDtmc(components) | ||
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print(dtmc) | ||
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if __name__ == "__main__": | ||
example_building_dtmcs_01() |
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{ | ||
"venvPath": ".", | ||
"venv": ".venv" | ||
"venv": ".venv", | ||
"reportAttributeAccessIssue": false | ||
} |