case ref0     : freq=60000 ref=0 flags=0x0 post_div=0 -> computing...
case ref0     : TRAPPED signal 8 (SIGFPE = integer divide by zero)
exit=42
case control  : freq=148500 ref=2700 flags=0x0 post_div=0 -> computing...
case control  : COMPLETED dot=14850 fb=880.0 ref=2 post=80 (no trap)
exit=0