Data for determining {TAIL ~ a limit value} of the trace range of a model are stored in {HEAD ~ a memory} and the stored data are read out therefrom by a processor to calculate the limit value of the trace range 
Data for determining { TAIL ~ a limit value } of the trace range of a model are stored in { HEAD ~ a memory } and the stored data are read out therefrom by a processor to calculate the limit value of the trace range
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH