/export/starexec/sandbox2/solver/bin/starexec_run_ttt2-1.17+nonreach /export/starexec/sandbox2/benchmark/theBenchmark.xml /export/starexec/sandbox2/output/output_files -------------------------------------------------------------------------------- YES Problem: a(b(b(x1))) -> b(b(a(a(x1)))) a(b(a(x1))) -> b(b(x1)) Proof: DP Processor: DPs: a#(b(b(x1))) -> a#(x1) a#(b(b(x1))) -> a#(a(x1)) TRS: a(b(b(x1))) -> b(b(a(a(x1)))) a(b(a(x1))) -> b(b(x1)) Arctic Interpretation Processor: dimension: 2 usable rules: a(b(b(x1))) -> b(b(a(a(x1)))) a(b(a(x1))) -> b(b(x1)) interpretation: [a#](x0) = [0 0]x0 + [0], [0 0] [0] [a](x0) = [0 0]x0 + [0], [0 0] [0] [b](x0) = [1 0]x0 + [1] orientation: a#(b(b(x1))) = [1 1]x1 + [1] >= [0 0]x1 + [0] = a#(x1) a#(b(b(x1))) = [1 1]x1 + [1] >= [0 0]x1 + [0] = a#(a(x1)) [1 1] [1] [1 1] [1] a(b(b(x1))) = [1 1]x1 + [1] >= [1 1]x1 + [1] = b(b(a(a(x1)))) [1 1] [1] [1 0] [1] a(b(a(x1))) = [1 1]x1 + [1] >= [1 1]x1 + [1] = b(b(x1)) problem: DPs: TRS: a(b(b(x1))) -> b(b(a(a(x1)))) a(b(a(x1))) -> b(b(x1)) Qed