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88 lines
3.4 KiB
88 lines
3.4 KiB
from . import core
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from .core import *
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from . import storage
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from .storage import *
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from .version import __version__
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core._set_up("")
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def build_model(program, properties = None):
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"""
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Build a model from a symbolic description
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:param PrismProgram program: Prism program to translate into a model.
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:param List[Property] properties: List of properties that should be preserved during the translation. If None, then all properties are preserved.
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"""
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if properties:
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formulae = [prop.raw_formula for prop in properties]
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else:
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formulae = []
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intermediate = core._build_sparse_model_from_prism_program(program, formulae)
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assert not intermediate.supports_parameters
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if intermediate.model_type == ModelType.DTMC:
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return intermediate._as_dtmc()
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elif intermediate.model_type == ModelType.MDP:
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return intermediate._as_mdp()
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else:
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raise RuntimeError("Not supported non-parametric model constructed")
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def build_parametric_model(program, properties = None):
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"""
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:param PrismProgram program: Prism program with open constants to translate into a parametric model.
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:param List[Property] properties: List of properties that should be preserved during the translation. If None, then all properties are preserved.
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"""
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if properties:
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formulae = [prop.raw_formula for prop in properties]
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else:
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formulae = []
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intermediate = core._build_sparse_parametric_model_from_prism_program(program, formulae)
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assert intermediate.supports_parameters
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if intermediate.model_type == ModelType.DTMC:
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return intermediate._as_pdtmc()
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elif intermediate.model_type == ModelType.MDP:
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return intermediate._as_pmdp()
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else:
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raise RuntimeError("Not supported parametric model constructed")
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def perform_bisimulation(model, property, bisimulation_type):
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if model.supports_parameters:
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return core._perform_parametric_bisimulation(model, property.raw_formula, bisimulation_type)
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else:
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return core._perform_bisimulation(model, property.raw_formula, bisimulation_type)
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def model_checking(model, property):
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if model.supports_parameters:
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return core._parametric_model_checking(model, property.raw_formula)
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else:
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return core._model_checking(model, property.raw_formula)
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def compute_prob01_states(model, phi_states, psi_states):
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"""
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Compute prob01 states for properties of the form phi_states until psi_states
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:param SparseDTMC model:
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:param BitVector phi_states:
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:param BitVector psi_states:
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"""
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if model.model_type != ModelType.DTMC:
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raise ValueError("Prob 01 is only defined for DTMCs -- model must be a DTMC")
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if model.supports_parameters:
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return core._compute_prob01states_rationalfunc(model, phi_states, psi_states)
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else:
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return core._compute_prob01states_double(model, phi_states, psi_states)
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def compute_prob01min_states(model, phi_states, psi_states):
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if model.supports_parameters:
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return core._compute_prob01states_min_rationalfunc(model, phi_states, psi_states)
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else:
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return core._compute_prob01states_min_double(model, phi_states, psi_states)
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def compute_prob01max_states(model, phi_states, psi_states):
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if model.supports_parameters:
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return core._compute_prob01states_max_rationalfunc(model, phi_states, psi_states)
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else:
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return core._compute_prob01states_max_double(model, phi_states, psi_states)
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