4 second lock call failed !
5 Mutex not locked by calling thread: mutex 0x........, recursion count 0, owner 1.
6 at 0x........: pthread_mutex_unlock (drd_pthread_intercepts.c:?)
7 by 0x........: lock_twice (recursive_mutex.c:?)
8 by 0x........: main (recursive_mutex.c:?)
9 mutex 0x........ was first observed at:
10 at 0x........: pthread_mutex_trylock (drd_pthread_intercepts.c:?)
11 by 0x........: lock_twice (recursive_mutex.c:?)
12 by 0x........: main (recursive_mutex.c:?)
14 second unlock call failed !
18 ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 0 from 0)