YES Termination: (Ranking Functions Found) ------------ f609_0_main_GE: < < - arg2 + arg3 > > f254_0_main_GE: < < - arg2 + arg3 > > f510_0_main_GE: < < -1 - arg1 + arg4 >, < - arg3 + arg4 >, < - arg3 + arg4 > > f494_0_main_GE: < < - arg2 + arg4 > >