Model Checking – Real-time Systems MCQs

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1. What is the primary purpose of model checking in real-time systems?



2. Model checking is mainly used to verify:



3. Which property ensures that “nothing bad ever happens”?



4. Which property ensures that “something good eventually happens”?



5. What is a state in model checking?



6. Which technique systematically explores all possible states?



7. Which is a major challenge in model checking?



8. Which formal model is commonly used in real-time model checking?



9. What does reachability analysis determine?



10. Which logic is commonly used to specify properties in model checking?



11. Which temporal logic is specifically designed for real-time systems?



12. What does CTL stand for?



13. Which of the following is a real-time property?



14. What is a counterexample in model checking?



15. Which approach reduces state space size?



16. Which technique groups similar states together?



17. What structure is commonly used in symbolic model checking?



18. Which type of system benefits most from model checking?



19. What does real-time model checking add compared to classical model checking?



20. Which tool supports real-time model checking?



21. What is the role of a specification in model checking?



22. Which system behavior is verified by safety properties?



23. What does liveness guarantee?



24. Which method explores states on-the-fly?



25. Which factor causes infinite state spaces in real-time systems?



26. Which abstraction is used for clocks in real-time model checking?



27. Which analysis checks if a property holds on all execution paths?



28. Which type of error can model checking detect?



29. What is deadlock detection used for?



30. Which property ensures tasks complete within deadlines?



31. Which of the following is NOT a model checking technique?



32. What does explicit-state model checking store?



33. Which logic uses path quantifiers and temporal operators?



34. Which approach handles probabilistic timing behavior?



35. Which model checking tool supports probabilistic real-time systems?



36. Which real-time system property is time-bounded?



37. What is the main benefit of counterexamples?



38. Which operation is checked during model checking?



39. What does fairness ensure?



40. Which model represents concurrent behaviors?



41. Which property checks that a system never reaches an error state?



42. What is the input to a model checker?



43. Which system is verified exhaustively by model checking?



44. Which logic is suitable for branching-time properties?



45. What does statistical model checking rely on?



46. Which real-time verification checks minimum and maximum delays?



47. Which problem arises due to concurrency in real-time systems?



48. What does model checking guarantee if a property is satisfied?



49. Which verification result indicates success?



50. Model checking is best described as:



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