
Thread #1 is the program's root thread

Thread #1 unlocked a not-locked lock at 0x........ 
   at 0x........: pthread_mutex_unlock (hg_intercepts.c:...)
   by 0x........: nearly_main (tc09_bad_unlock.c:27)
   by 0x........: main (tc09_bad_unlock.c:49)
  Lock at 0x........ was first observed
   at 0x........: pthread_mutex_init (hg_intercepts.c:...)
   by 0x........: nearly_main (tc09_bad_unlock.c:23)
   by 0x........: main (tc09_bad_unlock.c:49)

Thread #2 was created
   at 0x........: clone (in /...libc...)
   by 0x........: pthread_create@GLIBC_ (in /lib/libpthread...)
   by 0x........: pthread_create@* (hg_intercepts.c:...)
   by 0x........: nearly_main (tc09_bad_unlock.c:35)
   by 0x........: main (tc09_bad_unlock.c:49)

Thread #2 unlocked lock at 0x........ currently held by thread #1
   at 0x........: pthread_mutex_unlock (hg_intercepts.c:...)
   by 0x........: child_fn (tc09_bad_unlock.c:11)
   by 0x........: mythread_wrapper (hg_intercepts.c:...)
   by 0x........: ...
   by 0x........: ...
  Lock at 0x........ was first observed
   at 0x........: pthread_mutex_init (hg_intercepts.c:...)
   by 0x........: nearly_main (tc09_bad_unlock.c:31)
   by 0x........: main (tc09_bad_unlock.c:49)

Thread #1 unlocked an invalid lock at 0x........ 
   at 0x........: pthread_mutex_unlock (hg_intercepts.c:...)
   by 0x........: nearly_main (tc09_bad_unlock.c:41)
   by 0x........: main (tc09_bad_unlock.c:49)

Thread #1's call to pthread_mutex_unlock failed
   with error code 22 (EINVAL: Invalid argument)
   at 0x........: pthread_mutex_unlock (hg_intercepts.c:...)
   by 0x........: nearly_main (tc09_bad_unlock.c:41)
   by 0x........: main (tc09_bad_unlock.c:49)

Thread #1 deallocated location 0x........ containing a locked lock
   at 0x........: nearly_main (tc09_bad_unlock.c:45)
   by 0x........: main (tc09_bad_unlock.c:49)
  Lock at 0x........ was first observed
   at 0x........: pthread_mutex_init (hg_intercepts.c:...)
   by 0x........: nearly_main (tc09_bad_unlock.c:31)
   by 0x........: main (tc09_bad_unlock.c:49)

Thread #1 unlocked a not-locked lock at 0x........ 
   at 0x........: pthread_mutex_unlock (hg_intercepts.c:...)
   by 0x........: nearly_main (tc09_bad_unlock.c:27)
   by 0x........: main (tc09_bad_unlock.c:50)
  Lock at 0x........ was first observed
   at 0x........: pthread_mutex_init (hg_intercepts.c:...)
   by 0x........: nearly_main (tc09_bad_unlock.c:23)
   by 0x........: main (tc09_bad_unlock.c:50)

Thread #3 was created
   at 0x........: clone (in /...libc...)
   by 0x........: pthread_create@GLIBC_ (in /lib/libpthread...)
   by 0x........: pthread_create@* (hg_intercepts.c:...)
   by 0x........: nearly_main (tc09_bad_unlock.c:35)
   by 0x........: main (tc09_bad_unlock.c:50)

Thread #3 unlocked lock at 0x........ currently held by thread #1
   at 0x........: pthread_mutex_unlock (hg_intercepts.c:...)
   by 0x........: child_fn (tc09_bad_unlock.c:11)
   by 0x........: mythread_wrapper (hg_intercepts.c:...)
   by 0x........: ...
   by 0x........: ...
  Lock at 0x........ was first observed
   at 0x........: pthread_mutex_init (hg_intercepts.c:...)
   by 0x........: nearly_main (tc09_bad_unlock.c:31)
   by 0x........: main (tc09_bad_unlock.c:50)

Thread #1 unlocked an invalid lock at 0x........ 
   at 0x........: pthread_mutex_unlock (hg_intercepts.c:...)
   by 0x........: nearly_main (tc09_bad_unlock.c:41)
   by 0x........: main (tc09_bad_unlock.c:50)

Thread #1's call to pthread_mutex_unlock failed
   with error code 22 (EINVAL: Invalid argument)
   at 0x........: pthread_mutex_unlock (hg_intercepts.c:...)
   by 0x........: nearly_main (tc09_bad_unlock.c:41)
   by 0x........: main (tc09_bad_unlock.c:50)

Thread #1 deallocated location 0x........ containing a locked lock
   at 0x........: nearly_main (tc09_bad_unlock.c:45)
   by 0x........: main (tc09_bad_unlock.c:50)
  Lock at 0x........ was first observed
   at 0x........: pthread_mutex_init (hg_intercepts.c:...)
   by 0x........: nearly_main (tc09_bad_unlock.c:31)
   by 0x........: main (tc09_bad_unlock.c:50)

ERROR SUMMARY: 10 errors from 10 contexts (suppressed: 0 from 0)