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.
120 lines
5.2 KiB
120 lines
5.2 KiB
import stormpy
|
|
import stormpy.logic
|
|
from helpers.helper import get_example_path
|
|
import pytest
|
|
|
|
|
|
class TestSparseModelComponents:
|
|
def test_init_default(self):
|
|
components = stormpy.SparseModelComponents()
|
|
|
|
assert components.state_labeling.get_labels() == set()
|
|
assert components.reward_models == {}
|
|
assert components.transition_matrix.nr_rows == 0
|
|
assert components.transition_matrix.nr_columns == 0
|
|
assert components.markovian_states is None
|
|
assert components.player1_matrix is None
|
|
assert not components.rate_transitions
|
|
|
|
def test_build_dtmc_from_model_components(self):
|
|
nr_states = 13
|
|
|
|
# TransitionMatrix
|
|
builder = stormpy.SparseMatrixBuilder(rows=0, columns=0, entries=0, force_dimensions=False,
|
|
has_custom_row_grouping=False, row_groups=0)
|
|
|
|
# Add transitions
|
|
builder.add_next_value(0, 1, 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)
|
|
for s in range(7, 13):
|
|
builder.add_next_value(s, s, 1)
|
|
# Build transition matrix, update number of rows and columns
|
|
transition_matrix = builder.build(nr_states, nr_states)
|
|
|
|
# StateLabeling
|
|
state_labeling = stormpy.storage.StateLabeling(nr_states)
|
|
labels = {'init', 'one', 'two', 'three', 'four', 'five', 'six', 'done', 'deadlock'}
|
|
for label in labels:
|
|
state_labeling.add_label(label)
|
|
# Add label to one state
|
|
state_labeling.add_label_to_state('init', 0)
|
|
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)
|
|
# Set the labeling of states given in a bit vector, where length = nr_states
|
|
state_labeling.set_states('done', stormpy.BitVector(nr_states, [7, 8, 9, 10, 11, 12]))
|
|
|
|
# RewardModels
|
|
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)
|
|
|
|
# todo state valuations
|
|
|
|
# todo choice origins:
|
|
prism_program = stormpy.parse_prism_program(get_example_path("dtmc", "die.pm"))
|
|
index_to_identifier_mapping = [1, 2, 3, 4, 5, 6, 7, 8, 8, 8, 8, 8, 8]
|
|
id_to_command_set_mapping = [stormpy.FlatSet() for _ in range(9)]
|
|
for i in range(1, 8): # 0: no origin
|
|
id_to_command_set_mapping[i].insert(i - 1)
|
|
for i in range(8, 14):
|
|
id_to_command_set_mapping[8].insert(7)
|
|
#
|
|
choice_origins = stormpy.PrismChoiceOrigins(prism_program, index_to_identifier_mapping,
|
|
id_to_command_set_mapping)
|
|
|
|
components = stormpy.SparseModelComponents(transition_matrix=transition_matrix, state_labeling=state_labeling,
|
|
reward_models=reward_models)
|
|
components.choice_origins = choice_origins
|
|
|
|
# todo components.state_valuations = state_valuations
|
|
|
|
dtmc = stormpy.storage.SparseDtmc(components)
|
|
|
|
assert type(dtmc) is stormpy.SparseDtmc
|
|
assert not dtmc.supports_parameters
|
|
|
|
# test transition matrix
|
|
assert dtmc.nr_choices == 13
|
|
assert dtmc.nr_states == 13
|
|
assert dtmc.nr_transitions == 20
|
|
assert dtmc.transition_matrix.nr_entries == dtmc.nr_transitions
|
|
for e in dtmc.transition_matrix:
|
|
assert e.value() == 0.5 or e.value() == 0 or (e.value() == 1 and e.column > 6)
|
|
for state in dtmc.states:
|
|
assert len(state.actions) <= 1
|
|
|
|
# test state_labeling
|
|
assert dtmc.labeling.get_labels() == {'init', 'deadlock', 'done', 'one', 'two', 'three', 'four', 'five', 'six'}
|
|
|
|
# test reward_models
|
|
assert len(dtmc.reward_models) == 1
|
|
assert not dtmc.reward_models["coin_flips"].has_state_rewards
|
|
assert dtmc.reward_models["coin_flips"].has_state_action_rewards
|
|
for reward in dtmc.reward_models["coin_flips"].state_action_rewards:
|
|
assert reward == 1.0 or reward == 0.0
|
|
assert not dtmc.reward_models["coin_flips"].has_transition_rewards
|
|
|
|
# choice_labeling
|
|
assert not dtmc.has_choice_labeling()
|
|
# todo state_valuations
|
|
# assert dtmc.has_state_valuations() and more tests
|
|
# todo choice_origins
|
|
# assert dtmc.has_choice_origins() and more tests
|
|
# assert dtmc.choice_origins is components.choice_origins # todo
|