
before lock #1
before lock #2
before lock #3
before unlock #1
before unlock #2
before unlock #3
before unlock #4
Mutex not locked by calling thread: mutex 0x........, recursion count 0, owner 1.
   at 0x........: pthread_mutex_unlock (drd_pthread_intercepts.c:?)
   by 0x........: nearly_main (tc10_rec_lock.c:42)
   by 0x........: main (tc10_rec_lock.c:47)
mutex 0x........ was first observed at:
   at 0x........: pthread_mutex_init (drd_pthread_intercepts.c:?)
   by 0x........: nearly_main (tc10_rec_lock.c:24)
   by 0x........: main (tc10_rec_lock.c:47)


ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 0 from 0)