NO * Step 1: Looptree NO + Considered Problem: Rules: 0. f1(A,B,C) -> f1(E,F,B) [A >= 1 && D >= 1 && B = 0] (?,1) 1. f0(A,B,C) -> f1(A,B,C) True (1,1) Signature: {(f0,3);(f1,3)} Flow Graph: [0->{0},1->{0}] + Applied Processor: Looptree + Details: We construct a looptree: P: [0,1] | `- p:[0] c: [] NO