YES Problem: active(g(X)) -> mark(h(X)) active(c()) -> mark(d()) active(h(d())) -> mark(g(c())) proper(g(X)) -> g(proper(X)) proper(h(X)) -> h(proper(X)) proper(c()) -> ok(c()) proper(d()) -> ok(d()) g(ok(X)) -> ok(g(X)) h(ok(X)) -> ok(h(X)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Proof: DP Processor: DPs: active#(g(X)) -> h#(X) active#(h(d())) -> g#(c()) proper#(g(X)) -> proper#(X) proper#(g(X)) -> g#(proper(X)) proper#(h(X)) -> proper#(X) proper#(h(X)) -> h#(proper(X)) g#(ok(X)) -> g#(X) h#(ok(X)) -> h#(X) top#(mark(X)) -> proper#(X) top#(mark(X)) -> top#(proper(X)) top#(ok(X)) -> active#(X) top#(ok(X)) -> top#(active(X)) TRS: active(g(X)) -> mark(h(X)) active(c()) -> mark(d()) active(h(d())) -> mark(g(c())) proper(g(X)) -> g(proper(X)) proper(h(X)) -> h(proper(X)) proper(c()) -> ok(c()) proper(d()) -> ok(d()) g(ok(X)) -> ok(g(X)) h(ok(X)) -> ok(h(X)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) TDG Processor: DPs: active#(g(X)) -> h#(X) active#(h(d())) -> g#(c()) proper#(g(X)) -> proper#(X) proper#(g(X)) -> g#(proper(X)) proper#(h(X)) -> proper#(X) proper#(h(X)) -> h#(proper(X)) g#(ok(X)) -> g#(X) h#(ok(X)) -> h#(X) top#(mark(X)) -> proper#(X) top#(mark(X)) -> top#(proper(X)) top#(ok(X)) -> active#(X) top#(ok(X)) -> top#(active(X)) TRS: active(g(X)) -> mark(h(X)) active(c()) -> mark(d()) active(h(d())) -> mark(g(c())) proper(g(X)) -> g(proper(X)) proper(h(X)) -> h(proper(X)) proper(c()) -> ok(c()) proper(d()) -> ok(d()) g(ok(X)) -> ok(g(X)) h(ok(X)) -> ok(h(X)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) graph: top#(ok(X)) -> top#(active(X)) -> top#(ok(X)) -> top#(active(X)) top#(ok(X)) -> top#(active(X)) -> top#(ok(X)) -> active#(X) top#(ok(X)) -> top#(active(X)) -> top#(mark(X)) -> top#(proper(X)) top#(ok(X)) -> top#(active(X)) -> top#(mark(X)) -> proper#(X) top#(ok(X)) -> active#(X) -> active#(h(d())) -> g#(c()) top#(ok(X)) -> active#(X) -> active#(g(X)) -> h#(X) top#(mark(X)) -> top#(proper(X)) -> top#(ok(X)) -> top#(active(X)) top#(mark(X)) -> top#(proper(X)) -> top#(ok(X)) -> active#(X) top#(mark(X)) -> top#(proper(X)) -> top#(mark(X)) -> top#(proper(X)) top#(mark(X)) -> top#(proper(X)) -> top#(mark(X)) -> proper#(X) top#(mark(X)) -> proper#(X) -> proper#(h(X)) -> h#(proper(X)) top#(mark(X)) -> proper#(X) -> proper#(h(X)) -> proper#(X) top#(mark(X)) -> proper#(X) -> proper#(g(X)) -> g#(proper(X)) top#(mark(X)) -> proper#(X) -> proper#(g(X)) -> proper#(X) proper#(h(X)) -> proper#(X) -> proper#(h(X)) -> h#(proper(X)) proper#(h(X)) -> proper#(X) -> proper#(h(X)) -> proper#(X) proper#(h(X)) -> proper#(X) -> proper#(g(X)) -> g#(proper(X)) proper#(h(X)) -> proper#(X) -> proper#(g(X)) -> proper#(X) proper#(h(X)) -> h#(proper(X)) -> h#(ok(X)) -> h#(X) proper#(g(X)) -> proper#(X) -> proper#(h(X)) -> h#(proper(X)) proper#(g(X)) -> proper#(X) -> proper#(h(X)) -> proper#(X) proper#(g(X)) -> proper#(X) -> proper#(g(X)) -> g#(proper(X)) proper#(g(X)) -> proper#(X) -> proper#(g(X)) -> proper#(X) proper#(g(X)) -> g#(proper(X)) -> g#(ok(X)) -> g#(X) g#(ok(X)) -> g#(X) -> g#(ok(X)) -> g#(X) h#(ok(X)) -> h#(X) -> h#(ok(X)) -> h#(X) active#(h(d())) -> g#(c()) -> g#(ok(X)) -> g#(X) active#(g(X)) -> h#(X) -> h#(ok(X)) -> h#(X) SCC Processor: #sccs: 4 #rules: 6 #arcs: 28/144 DPs: top#(ok(X)) -> top#(active(X)) top#(mark(X)) -> top#(proper(X)) TRS: active(g(X)) -> mark(h(X)) active(c()) -> mark(d()) active(h(d())) -> mark(g(c())) proper(g(X)) -> g(proper(X)) proper(h(X)) -> h(proper(X)) proper(c()) -> ok(c()) proper(d()) -> ok(d()) g(ok(X)) -> ok(g(X)) h(ok(X)) -> ok(h(X)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Matrix Interpretation Processor: dim=3 interpretation: [top#](x0) = [0 0 1]x0, [0] [top](x0) = [0] [0], [1 1 0] [ok](x0) = [1 0 0]x0 [0 1 1] , [1 1 0] [proper](x0) = [1 0 0]x0 [0 1 1] , [1] [d] = [0] [0], [0] [c] = [0] [1], [0 0 0] [0] [mark](x0) = [0 0 1]x0 + [1] [0 1 1] [1], [1 1 0] [h](x0) = [1 0 0]x0 [1 1 0] , [0 0 0] [active](x0) = [1 0 1]x0 [0 1 1] , [1 1 0] [0] [g](x0) = [1 0 0]x0 + [0] [1 1 0] [1] orientation: top#(ok(X)) = [0 1 1]X >= [0 1 1]X = top#(active(X)) top#(mark(X)) = [0 1 1]X + [1] >= [0 1 1]X = top#(proper(X)) [0 0 0] [0] [0 0 0] [0] active(g(X)) = [2 2 0]X + [1] >= [1 1 0]X + [1] = mark(h(X)) [2 1 0] [1] [2 1 0] [1] [0] [0] active(c()) = [1] >= [1] = mark(d()) [1] [1] [0] [0] active(h(d())) = [2] >= [2] = mark(g(c())) [2] [2] [2 1 0] [0] [2 1 0] [0] proper(g(X)) = [1 1 0]X + [0] >= [1 1 0]X + [0] = g(proper(X)) [2 1 0] [1] [2 1 0] [1] [2 1 0] [2 1 0] proper(h(X)) = [1 1 0]X >= [1 1 0]X = h(proper(X)) [2 1 0] [2 1 0] [0] [0] proper(c()) = [0] >= [0] = ok(c()) [1] [1] [1] [1] proper(d()) = [1] >= [1] = ok(d()) [0] [0] [2 1 0] [0] [2 1 0] [0] g(ok(X)) = [1 1 0]X + [0] >= [1 1 0]X + [0] = ok(g(X)) [2 1 0] [1] [2 1 0] [1] [2 1 0] [2 1 0] h(ok(X)) = [1 1 0]X >= [1 1 0]X = ok(h(X)) [2 1 0] [2 1 0] [0] [0] top(mark(X)) = [0] >= [0] = top(proper(X)) [0] [0] [0] [0] top(ok(X)) = [0] >= [0] = top(active(X)) [0] [0] problem: DPs: top#(ok(X)) -> top#(active(X)) TRS: active(g(X)) -> mark(h(X)) active(c()) -> mark(d()) active(h(d())) -> mark(g(c())) proper(g(X)) -> g(proper(X)) proper(h(X)) -> h(proper(X)) proper(c()) -> ok(c()) proper(d()) -> ok(d()) g(ok(X)) -> ok(g(X)) h(ok(X)) -> ok(h(X)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Arctic Interpretation Processor: dimension: 1 interpretation: [top#](x0) = x0 + 0, [top](x0) = 0, [ok](x0) = x0 + 1, [proper](x0) = x0, [d] = 2, [c] = 1, [mark](x0) = 0, [h](x0) = x0 + 0, [active](x0) = 0, [g](x0) = 2x0 + 0 orientation: top#(ok(X)) = X + 1 >= 0 = top#(active(X)) active(g(X)) = 0 >= 0 = mark(h(X)) active(c()) = 0 >= 0 = mark(d()) active(h(d())) = 0 >= 0 = mark(g(c())) proper(g(X)) = 2X + 0 >= 2X + 0 = g(proper(X)) proper(h(X)) = X + 0 >= X + 0 = h(proper(X)) proper(c()) = 1 >= 1 = ok(c()) proper(d()) = 2 >= 2 = ok(d()) g(ok(X)) = 2X + 3 >= 2X + 1 = ok(g(X)) h(ok(X)) = X + 1 >= X + 1 = ok(h(X)) top(mark(X)) = 0 >= 0 = top(proper(X)) top(ok(X)) = 0 >= 0 = top(active(X)) problem: DPs: TRS: active(g(X)) -> mark(h(X)) active(c()) -> mark(d()) active(h(d())) -> mark(g(c())) proper(g(X)) -> g(proper(X)) proper(h(X)) -> h(proper(X)) proper(c()) -> ok(c()) proper(d()) -> ok(d()) g(ok(X)) -> ok(g(X)) h(ok(X)) -> ok(h(X)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Qed DPs: proper#(g(X)) -> proper#(X) proper#(h(X)) -> proper#(X) TRS: active(g(X)) -> mark(h(X)) active(c()) -> mark(d()) active(h(d())) -> mark(g(c())) proper(g(X)) -> g(proper(X)) proper(h(X)) -> h(proper(X)) proper(c()) -> ok(c()) proper(d()) -> ok(d()) g(ok(X)) -> ok(g(X)) h(ok(X)) -> ok(h(X)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Subterm Criterion Processor: simple projection: pi(proper#) = 0 problem: DPs: TRS: active(g(X)) -> mark(h(X)) active(c()) -> mark(d()) active(h(d())) -> mark(g(c())) proper(g(X)) -> g(proper(X)) proper(h(X)) -> h(proper(X)) proper(c()) -> ok(c()) proper(d()) -> ok(d()) g(ok(X)) -> ok(g(X)) h(ok(X)) -> ok(h(X)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Qed DPs: h#(ok(X)) -> h#(X) TRS: active(g(X)) -> mark(h(X)) active(c()) -> mark(d()) active(h(d())) -> mark(g(c())) proper(g(X)) -> g(proper(X)) proper(h(X)) -> h(proper(X)) proper(c()) -> ok(c()) proper(d()) -> ok(d()) g(ok(X)) -> ok(g(X)) h(ok(X)) -> ok(h(X)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Subterm Criterion Processor: simple projection: pi(h#) = 0 problem: DPs: TRS: active(g(X)) -> mark(h(X)) active(c()) -> mark(d()) active(h(d())) -> mark(g(c())) proper(g(X)) -> g(proper(X)) proper(h(X)) -> h(proper(X)) proper(c()) -> ok(c()) proper(d()) -> ok(d()) g(ok(X)) -> ok(g(X)) h(ok(X)) -> ok(h(X)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Qed DPs: g#(ok(X)) -> g#(X) TRS: active(g(X)) -> mark(h(X)) active(c()) -> mark(d()) active(h(d())) -> mark(g(c())) proper(g(X)) -> g(proper(X)) proper(h(X)) -> h(proper(X)) proper(c()) -> ok(c()) proper(d()) -> ok(d()) g(ok(X)) -> ok(g(X)) h(ok(X)) -> ok(h(X)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Subterm Criterion Processor: simple projection: pi(g#) = 0 problem: DPs: TRS: active(g(X)) -> mark(h(X)) active(c()) -> mark(d()) active(h(d())) -> mark(g(c())) proper(g(X)) -> g(proper(X)) proper(h(X)) -> h(proper(X)) proper(c()) -> ok(c()) proper(d()) -> ok(d()) g(ok(X)) -> ok(g(X)) h(ok(X)) -> ok(h(X)) top(mark(X)) -> top(proper(X)) top(ok(X)) -> top(active(X)) Qed