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import stormpy
import stormpy.examples
import stormpy.examples.files
class TestBuilding:
def test_explicit_builder(self):
path = stormpy.examples.files.prism_dtmc_die
prism_program = stormpy.parse_prism_program(path)
formula_str = "P=? [F s=7 & d=2]"
properties = stormpy.parse_properties_for_prism_program(formula_str, prism_program)
# Fix variables in the program.
module = prism_program.modules[0]
s_var = module.get_integer_variable("s").expression_variable
d_var = module.get_integer_variable("d").expression_variable
# Construct the model
options = stormpy.BuilderOptions([p.raw_formula for p in properties])
options.set_build_state_valuations()
model_builder = stormpy.make_sparse_model_builder(prism_program, options)
model = model_builder.build()
# and export the model from building
state_mapping = model_builder.export_lookup()
#lookup 1
state = { s_var : prism_program.expression_manager.create_integer(3), d_var : prism_program.expression_manager.create_integer(0)}
id = state_mapping.lookup(state)
assert model.state_valuations.get_integer_value(id, s_var) == 3
assert model.state_valuations.get_integer_value(id, d_var) == 0
#lookup 2
state = { s_var : prism_program.expression_manager.create_integer(7), d_var : prism_program.expression_manager.create_integer(3)}
id = state_mapping.lookup(state)
assert model.state_valuations.get_integer_value(id, s_var) == 7
assert model.state_valuations.get_integer_value(id, d_var) == 3