Change the MAX_ALIVE_THREADS to 128 in order to run test4 under synchtest
Change the MAX_ALIVE_THREADS to 128 in order to run test4 under synchtest

plasma-umass/DoubleTake,bpowers/DoubleTake,plasma-umass/DoubleTake,plasma-umass/DoubleTake,plasma-umass/DoubleTake,plasma-umass/DoubleTake,bpowers/DoubleTake,plasma-umass/DoubleTake,bpowers/DoubleTake,bpowers/DoubleTake,plasma-umass/DoubleTake,bpowers/DoubleTake,bpowers/DoubleTake,bpowers/DoubleTake,bpowers/DoubleTake