MAYBE Problem: f(g(x),g(y)) -> f(p(f(g(x),s(y))),g(s(p(x)))) p(0()) -> g(0()) g(s(p(x))) -> p(x) Proof: DP Processor: DPs: f#(g(x),g(y)) -> p#(x) f#(g(x),g(y)) -> g#(s(p(x))) f#(g(x),g(y)) -> f#(g(x),s(y)) f#(g(x),g(y)) -> p#(f(g(x),s(y))) f#(g(x),g(y)) -> f#(p(f(g(x),s(y))),g(s(p(x)))) p#(0()) -> g#(0()) TRS: f(g(x),g(y)) -> f(p(f(g(x),s(y))),g(s(p(x)))) p(0()) -> g(0()) g(s(p(x))) -> p(x) Usable Rule Processor: DPs: f#(g(x),g(y)) -> p#(x) f#(g(x),g(y)) -> g#(s(p(x))) f#(g(x),g(y)) -> f#(g(x),s(y)) f#(g(x),g(y)) -> p#(f(g(x),s(y))) f#(g(x),g(y)) -> f#(p(f(g(x),s(y))),g(s(p(x)))) p#(0()) -> g#(0()) TRS: p(0()) -> g(0()) g(s(p(x))) -> p(x) TDG Processor: DPs: f#(g(x),g(y)) -> p#(x) f#(g(x),g(y)) -> g#(s(p(x))) f#(g(x),g(y)) -> f#(g(x),s(y)) f#(g(x),g(y)) -> p#(f(g(x),s(y))) f#(g(x),g(y)) -> f#(p(f(g(x),s(y))),g(s(p(x)))) p#(0()) -> g#(0()) TRS: p(0()) -> g(0()) g(s(p(x))) -> p(x) graph: f#(g(x),g(y)) -> p#(f(g(x),s(y))) -> p#(0()) -> g#(0()) f#(g(x),g(y)) -> p#(x) -> p#(0()) -> g#(0()) f#(g(x),g(y)) -> f#(p(f(g(x),s(y))),g(s(p(x)))) -> f#(g(x),g(y)) -> f#(p(f(g(x),s(y))),g(s(p(x)))) f#(g(x),g(y)) -> f#(p(f(g(x),s(y))),g(s(p(x)))) -> f#(g(x),g(y)) -> p#(f(g(x),s(y))) f#(g(x),g(y)) -> f#(p(f(g(x),s(y))),g(s(p(x)))) -> f#(g(x),g(y)) -> f#(g(x),s(y)) f#(g(x),g(y)) -> f#(p(f(g(x),s(y))),g(s(p(x)))) -> f#(g(x),g(y)) -> g#(s(p(x))) f#(g(x),g(y)) -> f#(p(f(g(x),s(y))),g(s(p(x)))) -> f#(g(x),g(y)) -> p#(x) f#(g(x),g(y)) -> f#(g(x),s(y)) -> f#(g(x),g(y)) -> f#(p(f(g(x),s(y))),g(s(p(x)))) f#(g(x),g(y)) -> f#(g(x),s(y)) -> f#(g(x),g(y)) -> p#(f(g(x),s(y))) f#(g(x),g(y)) -> f#(g(x),s(y)) -> f#(g(x),g(y)) -> f#(g(x),s(y)) f#(g(x),g(y)) -> f#(g(x),s(y)) -> f#(g(x),g(y)) -> g#(s(p(x))) f#(g(x),g(y)) -> f#(g(x),s(y)) -> f#(g(x),g(y)) -> p#(x) Restore Modifier: DPs: f#(g(x),g(y)) -> p#(x) f#(g(x),g(y)) -> g#(s(p(x))) f#(g(x),g(y)) -> f#(g(x),s(y)) f#(g(x),g(y)) -> p#(f(g(x),s(y))) f#(g(x),g(y)) -> f#(p(f(g(x),s(y))),g(s(p(x)))) p#(0()) -> g#(0()) TRS: f(g(x),g(y)) -> f(p(f(g(x),s(y))),g(s(p(x)))) p(0()) -> g(0()) g(s(p(x))) -> p(x) SCC Processor: #sccs: 1 #rules: 2 #arcs: 12/36 DPs: f#(g(x),g(y)) -> f#(p(f(g(x),s(y))),g(s(p(x)))) f#(g(x),g(y)) -> f#(g(x),s(y)) TRS: f(g(x),g(y)) -> f(p(f(g(x),s(y))),g(s(p(x)))) p(0()) -> g(0()) g(s(p(x))) -> p(x) Matrix Interpretation Processor: dimension: 1 interpretation: [f#](x0, x1) = x1, [0] = 0, [p](x0) = 1, [s](x0) = 0, [f](x0, x1) = 0, [g](x0) = 1 orientation: f#(g(x),g(y)) = 1 >= 1 = f#(p(f(g(x),s(y))),g(s(p(x)))) f#(g(x),g(y)) = 1 >= 0 = f#(g(x),s(y)) f(g(x),g(y)) = 0 >= 0 = f(p(f(g(x),s(y))),g(s(p(x)))) p(0()) = 1 >= 1 = g(0()) g(s(p(x))) = 1 >= 1 = p(x) problem: DPs: f#(g(x),g(y)) -> f#(p(f(g(x),s(y))),g(s(p(x)))) TRS: f(g(x),g(y)) -> f(p(f(g(x),s(y))),g(s(p(x)))) p(0()) -> g(0()) g(s(p(x))) -> p(x) Open