ISim log file
Running: X:\My Documents\ec311\ec311-lab4\TEST_Countdown_isim_beh.exe -intstyle ise -gui -tclbatch isim.cmd -wdb X:/My Documents/ec311/ec311-lab4/TEST_Countdown_isim_beh.wdb 
ISim O.76xd (signature 0xc3576ebc)
This is a Full version of ISim.
Time resolution is 1 ps
# onerror resume
# wave add /
# run 10000ns
Simulator is doing circuit initialization process.
Finished circuit initialization process.