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.
		
		
		
		
		
			
		
			
				
					
					
						
							226 lines
						
					
					
						
							11 KiB
						
					
					
				
			
		
		
		
			
			
			
				
					
				
				
					
				
			
		
		
	
	
							226 lines
						
					
					
						
							11 KiB
						
					
					
				| import stormpy | |
| import stormpy.logic | |
| from helpers.helper import get_example_path | |
| import pytest | |
| 
 | |
| 
 | |
| class TestSparseModel: | |
|     def test_build_dtmc_from_prism_program(self): | |
|         program = stormpy.parse_prism_program(get_example_path("dtmc", "die.pm")) | |
|         model = stormpy.build_model(program) | |
|         assert model.nr_states == 13 | |
|         assert model.nr_transitions == 20 | |
|         assert model.model_type == stormpy.ModelType.DTMC | |
|         assert not model.supports_parameters | |
|         assert type(model) is stormpy.SparseDtmc | |
| 
 | |
|     def test_build_dtmc_from_prism_program_formulas(self): | |
|         program = stormpy.parse_prism_program(get_example_path("dtmc", "die.pm")) | |
|         prop = "P=? [F \"one\"]" | |
|         properties = stormpy.parse_properties_for_prism_program(prop, program, None) | |
|         model = stormpy.build_model(program, properties) | |
|         assert model.nr_states == 13 | |
|         assert model.nr_transitions == 20 | |
|         assert model.model_type == stormpy.ModelType.DTMC | |
|         assert len(model.reward_models) == 0 | |
|         assert not model.supports_parameters | |
|         assert type(model) is stormpy.SparseDtmc | |
| 
 | |
|     def test_build_dtmc_from_prism_program_reward_formulas(self): | |
|         program = stormpy.parse_prism_program(get_example_path("dtmc", "die.pm")) | |
|         prop = "R=? [F \"done\"]" | |
|         properties = stormpy.parse_properties_for_prism_program(prop, program, None) | |
|         model = stormpy.build_model(program, properties) | |
|         assert model.nr_states == 13 | |
|         assert model.nr_transitions == 20 | |
|         assert model.model_type == stormpy.ModelType.DTMC | |
|         assert len(model.reward_models) == 1 | |
|         assert not model.reward_models["coin_flips"].has_state_rewards | |
|         assert model.reward_models["coin_flips"].has_state_action_rewards | |
|         for reward in model.reward_models["coin_flips"].state_action_rewards: | |
|             assert reward == 1.0 or reward == 0.0 | |
|         assert not model.reward_models["coin_flips"].has_transition_rewards | |
|         assert not model.supports_parameters | |
|         assert type(model) is stormpy.SparseDtmc | |
| 
 | |
|     def test_reduce_to_state_based_rewards(self): | |
|         program = stormpy.parse_prism_program(get_example_path("dtmc", "die.pm")) | |
|         prop = "R=? [F \"done\"]" | |
|         properties = stormpy.parse_properties_for_prism_program(prop, program, None) | |
|         model = stormpy.build_model(program, properties) | |
|         model.reduce_to_state_based_rewards() | |
|         assert len(model.reward_models) == 1 | |
|         assert model.reward_models["coin_flips"].has_state_rewards | |
|         assert not model.reward_models["coin_flips"].has_state_action_rewards | |
|         for reward in model.reward_models["coin_flips"].state_rewards: | |
|             assert reward == 1.0 or reward == 0.0 | |
|         assert not model.reward_models["coin_flips"].has_transition_rewards | |
| 
 | |
|     def test_build_dtmc_from_jani_model(self): | |
|         jani_model, properties = stormpy.parse_jani_model(get_example_path("dtmc", "die.jani")) | |
|         model = stormpy.build_model(jani_model) | |
|         assert model.nr_states == 13 | |
|         assert model.nr_transitions == 20 | |
|         assert model.model_type == stormpy.ModelType.DTMC | |
|         assert not model.supports_parameters | |
|         assert type(model) is stormpy.SparseDtmc | |
| 
 | |
|     def test_build_dtmc_with_undefined_constants(self): | |
|         jani_model, properties = stormpy.parse_jani_model(get_example_path("dtmc", "brp.jani")) | |
|         assert jani_model.has_undefined_constants | |
|         assert not jani_model.undefined_constants_are_graph_preserving | |
|         with pytest.raises(stormpy.StormError): | |
|             model = stormpy.build_model(jani_model) | |
| 
 | |
|     def test_build_instantiated_dtmc(self): | |
|         jani_model, properties = stormpy.parse_jani_model(get_example_path("dtmc", "brp.jani")) | |
|         assert jani_model.has_undefined_constants | |
|         assert not jani_model.undefined_constants_are_graph_preserving | |
|         description = stormpy.SymbolicModelDescription(jani_model) | |
|         constant_definitions = description.parse_constant_definitions("N=16, MAX=2") | |
|         instantiated_jani_model = description.instantiate_constants(constant_definitions).as_jani_model() | |
|         model = stormpy.build_model(instantiated_jani_model) | |
|         assert model.nr_states == 677 | |
|         assert model.nr_transitions == 867 | |
|         assert model.model_type == stormpy.ModelType.DTMC | |
|         assert not model.supports_parameters | |
|         assert type(model) is stormpy.SparseDtmc | |
| 
 | |
|     def test_build_mdp(self): | |
|         program = stormpy.parse_prism_program(get_example_path("mdp", "two_dice.nm")) | |
|         formulas = stormpy.parse_properties_for_prism_program("P=? [ F \"two\" ]", program) | |
|         model = stormpy.build_model(program, formulas) | |
|         assert model.nr_states == 169 | |
|         assert model.nr_transitions == 435 | |
|         assert model.model_type == stormpy.ModelType.MDP | |
|         assert not model.supports_parameters | |
|         assert type(model) is stormpy.SparseMdp | |
| 
 | |
|     def test_build_ctmc(self): | |
|         program = stormpy.parse_prism_program(get_example_path("ctmc", "polling2.sm"), True) | |
|         formulas = stormpy.parse_properties_for_prism_program("P=? [ F<=3 \"target\" ]", program) | |
|         model = stormpy.build_model(program) | |
|         assert model.nr_states == 12 | |
|         assert model.nr_transitions == 22 | |
|         assert model.model_type == stormpy.ModelType.CTMC | |
|         assert not model.supports_parameters | |
|         assert type(model) is stormpy.SparseCtmc | |
|         model_for_formula = stormpy.build_model(program, formulas) | |
|         assert model_for_formula.nr_states == 1 | |
|         assert model_for_formula.nr_transitions == 1 | |
|         assert model_for_formula.model_type == stormpy.ModelType.CTMC | |
|         assert not model_for_formula.supports_parameters | |
|         assert type(model_for_formula) is stormpy.SparseCtmc | |
| 
 | |
|     def test_build_pomdp(self): | |
|         program = stormpy.parse_prism_program(get_example_path("pomdp", "maze_2.prism")) | |
|         formulas = stormpy.parse_properties_for_prism_program("P=? [F \"goal\"]", program) | |
|         model = stormpy.build_model(program, formulas) | |
|         assert model.nr_states == 16 | |
|         assert model.nr_observations == 8 | |
| 
 | |
| 
 | |
|     def test_build_ma(self): | |
|         program = stormpy.parse_prism_program(get_example_path("ma", "simple.ma"), False, True) | |
|         formulas = stormpy.parse_properties_for_prism_program("Pmax=? [ F<=2 s=2 ]", program) | |
|         model = stormpy.build_model(program, formulas) | |
|         assert model.nr_states == 4 | |
|         assert model.nr_transitions == 7 | |
|         assert model.model_type == stormpy.ModelType.MA | |
|         assert not model.supports_parameters | |
|         assert type(model) is stormpy.SparseMA | |
| 
 | |
|     def test_initial_states(self): | |
|         program = stormpy.parse_prism_program(get_example_path("dtmc", "die.pm")) | |
|         formulas = stormpy.parse_properties_for_prism_program("P=? [ F \"one\" ]", program) | |
|         model = stormpy.build_model(program, formulas) | |
|         initial_states = model.initial_states | |
|         assert len(initial_states) == 1 | |
|         assert 0 in initial_states | |
| 
 | |
| 
 | |
| class TestSymbolicSylvanModel: | |
|     def test_build_dtmc_from_prism_program(self): | |
|         program = stormpy.parse_prism_program(get_example_path("dtmc", "die.pm")) | |
|         model = stormpy.build_symbolic_model(program) | |
|         assert model.nr_states == 13 | |
|         assert model.nr_transitions == 20 | |
|         assert model.model_type == stormpy.ModelType.DTMC | |
|         assert not model.supports_parameters | |
|         assert type(model) is stormpy.SymbolicSylvanDtmc | |
| 
 | |
|     def test_build_dtmc_from_prism_program_formulas(self): | |
|         program = stormpy.parse_prism_program(get_example_path("dtmc", "die.pm")) | |
|         prop = "P=? [F \"one\"]" | |
|         properties = stormpy.parse_properties_for_prism_program(prop, program, None) | |
|         model = stormpy.build_symbolic_model(program, properties) | |
|         assert model.nr_states == 13 | |
|         assert model.nr_transitions == 20 | |
|         assert model.model_type == stormpy.ModelType.DTMC | |
|         assert len(model.reward_models) == 0 | |
|         assert not model.supports_parameters | |
|         assert type(model) is stormpy.SymbolicSylvanDtmc | |
| 
 | |
|     def test_build_dtmc_from_prism_program_reward_formulas(self): | |
|         program = stormpy.parse_prism_program(get_example_path("dtmc", "die.pm")) | |
|         prop = "R=? [F \"done\"]" | |
|         properties = stormpy.parse_properties_for_prism_program(prop, program, None) | |
|         model = stormpy.build_symbolic_model(program, properties) | |
|         assert model.nr_states == 13 | |
|         assert model.nr_transitions == 20 | |
|         assert model.model_type == stormpy.ModelType.DTMC | |
|         assert len(model.reward_models) == 1 | |
|         assert not model.reward_models["coin_flips"].has_state_rewards | |
|         assert model.reward_models["coin_flips"].has_state_action_rewards | |
|         assert not model.reward_models["coin_flips"].has_transition_rewards | |
|         assert not model.supports_parameters | |
|         assert type(model) is stormpy.SymbolicSylvanDtmc | |
| 
 | |
|     def test_reduce_to_state_based_rewards(self): | |
|         program = stormpy.parse_prism_program(get_example_path("dtmc", "die.pm")) | |
|         prop = "R=? [F \"done\"]" | |
|         properties = stormpy.parse_properties_for_prism_program(prop, program, None) | |
|         model = stormpy.build_symbolic_model(program, properties) | |
|         model.reduce_to_state_based_rewards() | |
|         assert len(model.reward_models) == 1 | |
|         assert model.reward_models["coin_flips"].has_state_rewards | |
|         assert not model.reward_models["coin_flips"].has_state_action_rewards | |
|         assert not model.reward_models["coin_flips"].has_transition_rewards | |
| 
 | |
|     def test_build_dtmc_from_jani_model(self): | |
|         jani_model, properties = stormpy.parse_jani_model(get_example_path("dtmc", "brp.jani")) | |
|         description = stormpy.SymbolicModelDescription(jani_model) | |
|         constant_definitions = description.parse_constant_definitions("N=16, MAX=2") | |
|         instantiated_jani_model = description.instantiate_constants(constant_definitions).as_jani_model() | |
|         model = stormpy.build_symbolic_model(instantiated_jani_model) | |
|         assert model.nr_states == 677 | |
|         assert model.nr_transitions == 867 | |
|         assert model.model_type == stormpy.ModelType.DTMC | |
|         assert not model.supports_parameters | |
|         assert type(model) is stormpy.SymbolicSylvanDtmc | |
| 
 | |
|     def test_build_mdp(self): | |
|         program = stormpy.parse_prism_program(get_example_path("mdp", "two_dice.nm")) | |
|         formulas = stormpy.parse_properties_for_prism_program("P=? [ F \"two\" ]", program) | |
|         model = stormpy.build_symbolic_model(program, formulas) | |
|         assert model.nr_states == 169 | |
|         assert model.nr_transitions == 435 | |
|         assert model.model_type == stormpy.ModelType.MDP | |
|         assert not model.supports_parameters | |
|         assert type(model) is stormpy.SymbolicSylvanMdp | |
| 
 | |
|     def test_build_ctmc(self): | |
|         program = stormpy.parse_prism_program(get_example_path("ctmc", "polling2.sm"), True) | |
|         formulas = stormpy.parse_properties_for_prism_program("P=? [ F<=3 \"target\" ]", program) | |
|         model = stormpy.build_symbolic_model(program, formulas) | |
|         assert model.nr_states == 12 | |
|         assert model.nr_transitions == 22 | |
|         assert model.model_type == stormpy.ModelType.CTMC | |
|         assert not model.supports_parameters | |
|         assert type(model) is stormpy.SymbolicSylvanCtmc | |
| 
 | |
|     def test_build_ma(self): | |
|         program = stormpy.parse_prism_program(get_example_path("ma", "simple.ma")) | |
|         formulas = stormpy.parse_properties_for_prism_program("P=? [ F<=2 s=2 ]", program) | |
|         with pytest.raises(Exception): | |
|             model = stormpy.build_symbolic_model(program, formulas)
 |