MAYBE * Step 1: Failure MAYBE + Considered Problem: Rules: 0. f0(A,B) -> f1(A,B) [A >= 1 && 0 >= 1 + B] (1,1) 1. f1(A,B) -> f1(A + -1*B,B) [-1 + -1*B >= 0 && -2 + A + -1*B >= 0 && -1 + A >= 0 && A >= 1 + B && 0 >= 1 + B] (?,1) Signature: {(f0,2);(f1,2)} Flow Graph: [0->{1},1->{1}] + Applied Processor: Failing "Open problems left." + Details: Open problems left. MAYBE