execution: PASS
Initialize barrier with count = 5

-Loop 0-
main: create 5 child threads
child[1]: barrier wait
child[2]: barrier wait
child[3]: barrier wait
child[4]: barrier wait
main: wait for child threads to end
child[0]: barrier wait
child[0]: get PTHREAD_BARRIER_SERIAL_THREAD

-Loop 1-
main: create 5 child threads
child[2]: barrier wait
child[3]: barrier wait
child[4]: barrier wait
main: wait for child threads to end
child[0]: barrier wait
child[0]: barrier wait
child[0]: get PTHREAD_BARRIER_SERIAL_THREAD

-Loop 2-
main: create 5 child threads
child[2]: barrier wait
child[3]: barrier wait
child[4]: barrier wait
main: wait for child threads to end
child[5]: barrier wait
child[5]: barrier wait
child[5]: get PTHREAD_BARRIER_SERIAL_THREAD

Test PASSED