NO * Step 1: UnsatPaths NO + Considered Problem: Rules: 0. f3(A) -> f3(-1 + A) [A >= 1] (?,1) 1. f3(A) -> f3(-1 + A) [0 >= A] (?,1) 2. f300(A) -> f3(A) True (1,1) Signature: {(f3,1);(f300,1)} Flow Graph: [0->{0,1},1->{0,1},2->{0,1}] + Applied Processor: UnsatPaths + Details: We remove following edges from the transition graph: [(1,0)] * Step 2: Looptree NO + Considered Problem: Rules: 0. f3(A) -> f3(-1 + A) [A >= 1] (?,1) 1. f3(A) -> f3(-1 + A) [0 >= A] (?,1) 2. f300(A) -> f3(A) True (1,1) Signature: {(f3,1);(f300,1)} Flow Graph: [0->{0,1},1->{1},2->{0,1}] + Applied Processor: Looptree + Details: We construct a looptree: P: [0,1,2] | +- p:[0] c: [0] | `- p:[1] c: [] NO