Model checking a cutoff number of {HEAD ~ processes} is performed to verify {TAIL ~ race freedom} in the concurrent program 
Model checking a cutoff number of { HEAD ~ processes } is performed to verify { TAIL ~ race freedom } in the concurrent program
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH