USER% ./mcmini -q -m28 -f ./subtle 2
About to exec into ./subtle
TraceId 31, *** DEADLOCK DETECTED ***
THREAD BACKTRACE
1. thread 0: starts
2. thread 0: pthread_mutex_init(mut:1, _)
3. thread 0: pthread_mutex_init(mut:2, _)
4. thread 0: pthread_mutex_init(mut:3, _)
5. thread 0: pthread_mutex_init(mut:4, _)
6. thread 0: pthread_cond_init(cond:1, _)
7. thread 0: pthread_cond_init(cond:2, _)
8. thread 0: pthread_create(thr:1, _, _, _)
9. thread 0: pthread_create(thr:2, _, _, _)
10. thread 1: starts
11. thread 1: pthread_mutex_lock(mut:1)
12. thread 1: pthread_mutex_unlock(mut:1)
13. thread 1: pthread_mutex_lock(mut:3)
14. thread 1: pthread_mutex_unlock(mut:3)
15. thread 1: pthread_mutex_lock(mut:4)
16. thread 1: pthread_mutex_unlock(mut:4)
17. thread 1: pthread_mutex_lock(mut:1)
18. thread 1: pthread_mutex_unlock(mut:1)
19. thread 1: pthread_mutex_lock(mut:2)
20. thread 1: pthread_cond_signal(cond:1) [Lost wakeup? (No thread waiting on cond) ]
21. thread 1: pthread_mutex_unlock(mut:2)
22. thread 1: pthread_mutex_lock(mut:1)
23. thread 1: pthread_mutex_unlock(mut:1)
24. thread 1: pthread_mutex_lock(mut:3)
25. thread 1: pthread_mutex_unlock(mut:3)
26. thread 1: pthread_mutex_lock(mut:4)
27. thread 1: pthread_mutex_unlock(mut:4)
28. thread 1: pthread_mutex_lock(mut:1)
29. thread 1: pthread_mutex_unlock(mut:1)
30. thread 1: pthread_mutex_lock(mut:2)
31. thread 1: pthread_cond_signal(cond:1) [Lost wakeup? (No thread waiting on cond) ]
32. thread 1: pthread_mutex_unlock(mut:2)
33. thread 1: pthread_mutex_lock(mut:1)
34. thread 1: pthread_mutex_unlock(mut:1)
35. thread 1: pthread_mutex_lock(mut:3)
36. thread 1: pthread_mutex_unlock(mut:3)
37. thread 2: starts
38. thread 2: pthread_mutex_lock(mut:3)
39. thread 2: pthread_mutex_unlock(mut:3)
40. thread 2: pthread_mutex_lock(mut:1)
41. thread 2: pthread_mutex_unlock(mut:1)
42. thread 2: pthread_mutex_lock(mut:2)
43. thread 2: pthread_mutex_unlock(mut:2)
44. thread 2: pthread_mutex_lock(mut:3)
45. thread 2: pthread_mutex_unlock(mut:3)
46. thread 2: pthread_mutex_lock(mut:4)
47. thread 2: pthread_cond_signal(cond:2) [Lost wakeup? (No thread waiting on cond) ]
48. thread 2: pthread_mutex_unlock(mut:4)
49. thread 2: pthread_mutex_lock(mut:3)
50. thread 2: pthread_mutex_unlock(mut:3)
51. thread 2: pthread_mutex_lock(mut:1)
52. thread 2: pthread_mutex_unlock(mut:1)
53. thread 2: pthread_mutex_lock(mut:2)
54. thread 2: pthread_mutex_unlock(mut:2)
55. thread 2: pthread_mutex_lock(mut:3)
56. thread 2: pthread_mutex_unlock(mut:3)
57. thread 2: pthread_mutex_lock(mut:4)
58. thread 2: pthread_cond_signal(cond:2) [Lost wakeup? (No thread waiting on cond) ]
59. thread 2: pthread_mutex_unlock(mut:4)
60. thread 1: pthread_mutex_lock(mut:4)
61. thread 1: pthread_cond_wait(cond:2, mut:4) (awake -> asleep)
62. thread 2: pthread_mutex_lock(mut:3)
63. thread 2: pthread_mutex_unlock(mut:3)
64. thread 2: pthread_mutex_lock(mut:1)
65. thread 2: pthread_mutex_unlock(mut:1)
66. thread 2: pthread_mutex_lock(mut:2)
67. thread 2: pthread_cond_wait(cond:1, mut:2) (awake -> asleep)
0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 2, 2, 2, 2, 2, 2,
END
THREAD PENDING OPERATIONS
* thread 0: pthread_join(thr:1, _) [ Blocked ]
thread 1: pthread_cond_wait(cond:2, mut:4) (asleep -> awake) [ Blocked ]
thread 2: pthread_cond_wait(cond:1, mut:2) (asleep -> awake) [ Blocked ]
END
***** Model checking completed! *****
*** DEADLOCK DETECTED ***
(Trace number (traceId): 31)
Number of traces: 32
Total number of transitions: 224
Elapsed time: 1 seconds