def test_fairness(self):
model = BmcModel(self.fsm)
# K, L must be consistent with one another
with self.assertRaises(ValueError):
model.fairness(0, 1)
self.assertIsNotNone(model.fairness(3, 0))
self.assertEqual(Be, type(model.fairness(3, 0)))
# Manual verification, this should output the following formula:
# (NOT (AND (NOT X3) (AND (NOT X4) (NOT X5))))
self.enc.manager.dump_sexpr(model.fairness(3, 0), StdioFile.stdout())
