.
Thread 5 (Thread 0x7ff82616f700 (LWP 4669)):
#0  0x00007ff82d45d0fe in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#1  0x00007ff83045c146 in ?? ()
No symbol table info available.
#2  0x00007ff82d458e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#3  0x00007ff82d18674d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#4  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 4 (Thread 0x7ff82596e700 (LWP 4670)):
#0  0x00007ff82d45d0fe in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#1  0x00007ff83045c146 in ?? ()
No symbol table info available.
#2  0x00007ff82d458e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#3  0x00007ff82d18674d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#4  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 3 (Thread 0x7ff817fff700 (LWP 4672)):
#0  0x00007ff82d45f9fa in __lll_unlock_wake () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#1  0x00007ff82d45c0e9 in _L_unlock_544 () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#2  0x00007ff82d45bfa5 in __pthread_mutex_unlock_usercnt () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#3  0x00007ff82d45ccf7 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#4  0x00007ff83046ead9 in ?? ()
No symbol table info available.
#5  0x00007ff8304c78ef in ?? ()
No symbol table info available.
#6  0x00007ff82d458e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#7  0x00007ff82d18674d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#8  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (Thread 0x7ff824f6c700 (LWP 4671)):
#0  0x00007ff82d45cd84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#1  0x00007ff83046ead9 in ?? ()
No symbol table info available.
#2  0x00007ff8304c78ef in ?? ()
No symbol table info available.
#3  0x00007ff82d458e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#4  0x00007ff82d18674d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#5  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 0x7ff83030a780 (LWP 4666)):
#0  0x00007ff82d0cc445 in raise () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ff82d0cfbab in abort () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007ff83045b016 in ?? ()
No symbol table info available.
#3  0x00007ff8304cea38 in ?? ()
No symbol table info available.
#4  0x00007ff8304f43ec in ?? ()
No symbol table info available.
#5  0x00007ff83051f758 in ?? ()
No symbol table info available.
#6  0x00007ff8305206a6 in ?? ()
No symbol table info available.
#7  0x00007ff830520998 in ?? ()
No symbol table info available.
#8  0x00007ff8303bba25 in main ()
No symbol table info available.