YES * Step 1: TrivialSCCs YES + Considered Problem: Rules: 0. f0(A,B,C,D,E) -> f1(F,1,0,D,E) True (1,1) 1. f1(A,B,C,D,E) -> f1(-10 + A,-1 + B,C,D,E) [C >= 0 && B >= 1 && A >= 101] (?,1) 2. f1(A,B,C,D,E) -> f1(11 + A,1 + B,C,D,E) [C >= 0 && B >= 1 && 100 >= A] (?,1) 3. f1(A,B,C,D,E) -> f1(-10 + A,-1 + B,1,A,B) [C >= 0 && A >= 101 && 0 >= C && B >= 1] (?,1) 4. f1(A,B,C,D,E) -> f1(11 + A,1 + B,1,A,B) [C >= 0 && 100 >= A && 0 >= C && B >= 1] (?,1) 5. f1(A,B,C,D,E) -> f2(A,B,C,D,E) [C >= 0 && D >= A && C >= 1 && B >= E] (?,1) Signature: {(f0,5);(f1,5);(f2,5)} Flow Graph: [0->{1,2,3,4,5},1->{1,2,3,4,5},2->{1,2,3,4,5},3->{1,2,3,4,5},4->{1,2,3,4,5},5->{}] + 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,D,E) -> f1(F,1,0,D,E) True (1,1) 1. f1(A,B,C,D,E) -> f1(-10 + A,-1 + B,C,D,E) [C >= 0 && B >= 1 && A >= 101] (?,1) 2. f1(A,B,C,D,E) -> f1(11 + A,1 + B,C,D,E) [C >= 0 && B >= 1 && 100 >= A] (?,1) 3. f1(A,B,C,D,E) -> f1(-10 + A,-1 + B,1,A,B) [C >= 0 && A >= 101 && 0 >= C && B >= 1] (?,1) 4. f1(A,B,C,D,E) -> f1(11 + A,1 + B,1,A,B) [C >= 0 && 100 >= A && 0 >= C && B >= 1] (?,1) 5. f1(A,B,C,D,E) -> f2(A,B,C,D,E) [C >= 0 && D >= A && C >= 1 && B >= E] (1,1) Signature: {(f0,5);(f1,5);(f2,5)} Flow Graph: [0->{1,2,3,4,5},1->{1,2,3,4,5},2->{1,2,3,4,5},3->{1,2,3,4,5},4->{1,2,3,4,5},5->{}] + Applied Processor: UnsatPaths + Details: We remove following edges from the transition graph: [(0,5),(3,3),(3,4),(3,5),(4,3),(4,4),(4,5)] * Step 3: Looptree YES + Considered Problem: Rules: 0. f0(A,B,C,D,E) -> f1(F,1,0,D,E) True (1,1) 1. f1(A,B,C,D,E) -> f1(-10 + A,-1 + B,C,D,E) [C >= 0 && B >= 1 && A >= 101] (?,1) 2. f1(A,B,C,D,E) -> f1(11 + A,1 + B,C,D,E) [C >= 0 && B >= 1 && 100 >= A] (?,1) 3. f1(A,B,C,D,E) -> f1(-10 + A,-1 + B,1,A,B) [C >= 0 && A >= 101 && 0 >= C && B >= 1] (?,1) 4. f1(A,B,C,D,E) -> f1(11 + A,1 + B,1,A,B) [C >= 0 && 100 >= A && 0 >= C && B >= 1] (?,1) 5. f1(A,B,C,D,E) -> f2(A,B,C,D,E) [C >= 0 && D >= A && C >= 1 && B >= E] (1,1) Signature: {(f0,5);(f1,5);(f2,5)} Flow Graph: [0->{1,2,3,4},1->{1,2,3,4,5},2->{1,2,3,4,5},3->{1,2},4->{1,2},5->{}] + Applied Processor: Looptree + Details: We construct a looptree: P: [0,1,2,3,4,5] | `- p:[1,2,3,4] c: [4] | `- p:[1,2,3] c: [3] | `- p:[1,2] c: [2] | `- p:[1] c: [1] YES