YES Termination: (Ranking Functions Found) ------------ f145_0_main_LE: < < arg1 -arg2 >, < arg1 -arg2 >, < arg1 -arg2 > > f145_0_main_LE': < < -1 + arg1 -arg2 >, < arg1 -arg2 >, < -2 + arg1 -arg2 > > method 1