package main _plain typename K_number = int32 typename K_phrase_number____nothing = function K_number -> void package (K_phrase_number____nothing) MyRoutine _code local (/main/K_number) x local (/main/K_number) y code inv !return val x .useless inv !return inv !plus val x val y inv !return inv !minus val x val y inv !jump lab .useful .useful inv !return inv !modulo val x val y