YES * Step 1: TrivialSCCs YES + Considered Problem: Rules: 0. f0(A,B,C) -> f8(0,10,0) True (1,1) 1. f8(A,B,C) -> f8(2 + A,B,1 + C) [A + -1*C >= 0 (?,1) && C >= 0 && -10 + B + C >= 0 && 10 + -1*B + C >= 0 && A + C >= 0 && 10 + -1*B >= 0 && 10 + A + -1*B >= 0 && -10 + B >= 0 && -10 + A + B >= 0 && A >= 0 && B >= 1 + C] 2. f8(A,B,C) -> f6(A,B,C) [A + -1*C >= 0 (?,1) && C >= 0 && -10 + B + C >= 0 && 10 + -1*B + C >= 0 && A + C >= 0 && 10 + -1*B >= 0 && 10 + A + -1*B >= 0 && -10 + B >= 0 && -10 + A + B >= 0 && A >= 0 && 2*B >= 1 + A && C >= B] 3. f8(A,B,C) -> f6(A,B,C) [A + -1*C >= 0 (?,1) && C >= 0 && -10 + B + C >= 0 && 10 + -1*B + C >= 0 && A + C >= 0 && 10 + -1*B >= 0 && 10 + A + -1*B >= 0 && -10 + B >= 0 && -10 + A + B >= 0 && A >= 0 && A >= 2*B && C >= B] Signature: {(f0,3);(f6,3);(f8,3)} Flow Graph: [0->{1,2,3},1->{1,2,3},2->{},3->{}] + Applied Processor: TrivialSCCs + Details: All trivial SCCs of the transition graph admit timebound 1. * Step 2: UnsatPaths YES + Considered Problem: Rules: 0. f0(A,B,C) -> f8(0,10,0) True (1,1) 1. f8(A,B,C) -> f8(2 + A,B,1 + C) [A + -1*C >= 0 (?,1) && C >= 0 && -10 + B + C >= 0 && 10 + -1*B + C >= 0 && A + C >= 0 && 10 + -1*B >= 0 && 10 + A + -1*B >= 0 && -10 + B >= 0 && -10 + A + B >= 0 && A >= 0 && B >= 1 + C] 2. f8(A,B,C) -> f6(A,B,C) [A + -1*C >= 0 (1,1) && C >= 0 && -10 + B + C >= 0 && 10 + -1*B + C >= 0 && A + C >= 0 && 10 + -1*B >= 0 && 10 + A + -1*B >= 0 && -10 + B >= 0 && -10 + A + B >= 0 && A >= 0 && 2*B >= 1 + A && C >= B] 3. f8(A,B,C) -> f6(A,B,C) [A + -1*C >= 0 (1,1) && C >= 0 && -10 + B + C >= 0 && 10 + -1*B + C >= 0 && A + C >= 0 && 10 + -1*B >= 0 && 10 + A + -1*B >= 0 && -10 + B >= 0 && -10 + A + B >= 0 && A >= 0 && A >= 2*B && C >= B] Signature: {(f0,3);(f6,3);(f8,3)} Flow Graph: [0->{1,2,3},1->{1,2,3},2->{},3->{}] + Applied Processor: UnsatPaths + Details: We remove following edges from the transition graph: [(0,2),(0,3)] * Step 3: Looptree YES + Considered Problem: Rules: 0. f0(A,B,C) -> f8(0,10,0) True (1,1) 1. f8(A,B,C) -> f8(2 + A,B,1 + C) [A + -1*C >= 0 (?,1) && C >= 0 && -10 + B + C >= 0 && 10 + -1*B + C >= 0 && A + C >= 0 && 10 + -1*B >= 0 && 10 + A + -1*B >= 0 && -10 + B >= 0 && -10 + A + B >= 0 && A >= 0 && B >= 1 + C] 2. f8(A,B,C) -> f6(A,B,C) [A + -1*C >= 0 (1,1) && C >= 0 && -10 + B + C >= 0 && 10 + -1*B + C >= 0 && A + C >= 0 && 10 + -1*B >= 0 && 10 + A + -1*B >= 0 && -10 + B >= 0 && -10 + A + B >= 0 && A >= 0 && 2*B >= 1 + A && C >= B] 3. f8(A,B,C) -> f6(A,B,C) [A + -1*C >= 0 (1,1) && C >= 0 && -10 + B + C >= 0 && 10 + -1*B + C >= 0 && A + C >= 0 && 10 + -1*B >= 0 && 10 + A + -1*B >= 0 && -10 + B >= 0 && -10 + A + B >= 0 && A >= 0 && A >= 2*B && C >= B] Signature: {(f0,3);(f6,3);(f8,3)} Flow Graph: [0->{1},1->{1,2,3},2->{},3->{}] + Applied Processor: Looptree + Details: We construct a looptree: P: [0,1,2,3] | `- p:[1] c: [1] YES