YES Problem: active(and(tt(),X)) -> mark(X) active(plus(N,0())) -> mark(N) active(plus(N,s(M))) -> mark(s(plus(N,M))) mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(tt()) -> active(tt()) mark(plus(X1,X2)) -> active(plus(mark(X1),mark(X2))) mark(0()) -> active(0()) mark(s(X)) -> active(s(mark(X))) and(mark(X1),X2) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) and(active(X1),X2) -> and(X1,X2) and(X1,active(X2)) -> and(X1,X2) plus(mark(X1),X2) -> plus(X1,X2) plus(X1,mark(X2)) -> plus(X1,X2) plus(active(X1),X2) -> plus(X1,X2) plus(X1,active(X2)) -> plus(X1,X2) s(mark(X)) -> s(X) s(active(X)) -> s(X) Proof: Matrix Interpretation Processor: dim=1 interpretation: [s](x0) = x0, [plus](x0, x1) = x0 + 4x1, [0] = 4, [mark](x0) = x0, [active](x0) = x0, [and](x0, x1) = 3x0 + x1 + 2, [tt] = 7 orientation: active(and(tt(),X)) = X + 23 >= X = mark(X) active(plus(N,0())) = N + 16 >= N = mark(N) active(plus(N,s(M))) = 4M + N >= 4M + N = mark(s(plus(N,M))) mark(and(X1,X2)) = 3X1 + X2 + 2 >= 3X1 + X2 + 2 = active(and(mark(X1),X2)) mark(tt()) = 7 >= 7 = active(tt()) mark(plus(X1,X2)) = X1 + 4X2 >= X1 + 4X2 = active(plus(mark(X1),mark(X2))) mark(0()) = 4 >= 4 = active(0()) mark(s(X)) = X >= X = active(s(mark(X))) and(mark(X1),X2) = 3X1 + X2 + 2 >= 3X1 + X2 + 2 = and(X1,X2) and(X1,mark(X2)) = 3X1 + X2 + 2 >= 3X1 + X2 + 2 = and(X1,X2) and(active(X1),X2) = 3X1 + X2 + 2 >= 3X1 + X2 + 2 = and(X1,X2) and(X1,active(X2)) = 3X1 + X2 + 2 >= 3X1 + X2 + 2 = and(X1,X2) plus(mark(X1),X2) = X1 + 4X2 >= X1 + 4X2 = plus(X1,X2) plus(X1,mark(X2)) = X1 + 4X2 >= X1 + 4X2 = plus(X1,X2) plus(active(X1),X2) = X1 + 4X2 >= X1 + 4X2 = plus(X1,X2) plus(X1,active(X2)) = X1 + 4X2 >= X1 + 4X2 = plus(X1,X2) s(mark(X)) = X >= X = s(X) s(active(X)) = X >= X = s(X) problem: active(plus(N,s(M))) -> mark(s(plus(N,M))) mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(tt()) -> active(tt()) mark(plus(X1,X2)) -> active(plus(mark(X1),mark(X2))) mark(0()) -> active(0()) mark(s(X)) -> active(s(mark(X))) and(mark(X1),X2) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) and(active(X1),X2) -> and(X1,X2) and(X1,active(X2)) -> and(X1,X2) plus(mark(X1),X2) -> plus(X1,X2) plus(X1,mark(X2)) -> plus(X1,X2) plus(active(X1),X2) -> plus(X1,X2) plus(X1,active(X2)) -> plus(X1,X2) s(mark(X)) -> s(X) s(active(X)) -> s(X) Matrix Interpretation Processor: dim=1 interpretation: [s](x0) = x0 + 1, [plus](x0, x1) = 4x0 + 2x1, [0] = 0, [mark](x0) = x0, [active](x0) = x0, [and](x0, x1) = 4x0 + x1, [tt] = 4 orientation: active(plus(N,s(M))) = 2M + 4N + 2 >= 2M + 4N + 1 = mark(s(plus(N,M))) mark(and(X1,X2)) = 4X1 + X2 >= 4X1 + X2 = active(and(mark(X1),X2)) mark(tt()) = 4 >= 4 = active(tt()) mark(plus(X1,X2)) = 4X1 + 2X2 >= 4X1 + 2X2 = active(plus(mark(X1),mark(X2))) mark(0()) = 0 >= 0 = active(0()) mark(s(X)) = X + 1 >= X + 1 = active(s(mark(X))) and(mark(X1),X2) = 4X1 + X2 >= 4X1 + X2 = and(X1,X2) and(X1,mark(X2)) = 4X1 + X2 >= 4X1 + X2 = and(X1,X2) and(active(X1),X2) = 4X1 + X2 >= 4X1 + X2 = and(X1,X2) and(X1,active(X2)) = 4X1 + X2 >= 4X1 + X2 = and(X1,X2) plus(mark(X1),X2) = 4X1 + 2X2 >= 4X1 + 2X2 = plus(X1,X2) plus(X1,mark(X2)) = 4X1 + 2X2 >= 4X1 + 2X2 = plus(X1,X2) plus(active(X1),X2) = 4X1 + 2X2 >= 4X1 + 2X2 = plus(X1,X2) plus(X1,active(X2)) = 4X1 + 2X2 >= 4X1 + 2X2 = plus(X1,X2) s(mark(X)) = X + 1 >= X + 1 = s(X) s(active(X)) = X + 1 >= X + 1 = s(X) problem: mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(tt()) -> active(tt()) mark(plus(X1,X2)) -> active(plus(mark(X1),mark(X2))) mark(0()) -> active(0()) mark(s(X)) -> active(s(mark(X))) and(mark(X1),X2) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) and(active(X1),X2) -> and(X1,X2) and(X1,active(X2)) -> and(X1,X2) plus(mark(X1),X2) -> plus(X1,X2) plus(X1,mark(X2)) -> plus(X1,X2) plus(active(X1),X2) -> plus(X1,X2) plus(X1,active(X2)) -> plus(X1,X2) s(mark(X)) -> s(X) s(active(X)) -> s(X) Matrix Interpretation Processor: dim=1 interpretation: [s](x0) = 2x0 + 3, [plus](x0, x1) = 4x0 + 2x1 + 3, [0] = 4, [mark](x0) = 3x0, [active](x0) = x0 + 6, [and](x0, x1) = x0 + x1 + 3, [tt] = 7 orientation: mark(and(X1,X2)) = 3X1 + 3X2 + 9 >= 3X1 + X2 + 9 = active(and(mark(X1),X2)) mark(tt()) = 21 >= 13 = active(tt()) mark(plus(X1,X2)) = 12X1 + 6X2 + 9 >= 12X1 + 6X2 + 9 = active(plus(mark(X1),mark(X2))) mark(0()) = 12 >= 10 = active(0()) mark(s(X)) = 6X + 9 >= 6X + 9 = active(s(mark(X))) and(mark(X1),X2) = 3X1 + X2 + 3 >= X1 + X2 + 3 = and(X1,X2) and(X1,mark(X2)) = X1 + 3X2 + 3 >= X1 + X2 + 3 = and(X1,X2) and(active(X1),X2) = X1 + X2 + 9 >= X1 + X2 + 3 = and(X1,X2) and(X1,active(X2)) = X1 + X2 + 9 >= X1 + X2 + 3 = and(X1,X2) plus(mark(X1),X2) = 12X1 + 2X2 + 3 >= 4X1 + 2X2 + 3 = plus(X1,X2) plus(X1,mark(X2)) = 4X1 + 6X2 + 3 >= 4X1 + 2X2 + 3 = plus(X1,X2) plus(active(X1),X2) = 4X1 + 2X2 + 27 >= 4X1 + 2X2 + 3 = plus(X1,X2) plus(X1,active(X2)) = 4X1 + 2X2 + 15 >= 4X1 + 2X2 + 3 = plus(X1,X2) s(mark(X)) = 6X + 3 >= 2X + 3 = s(X) s(active(X)) = 2X + 15 >= 2X + 3 = s(X) problem: mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(plus(X1,X2)) -> active(plus(mark(X1),mark(X2))) mark(s(X)) -> active(s(mark(X))) and(mark(X1),X2) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) plus(mark(X1),X2) -> plus(X1,X2) plus(X1,mark(X2)) -> plus(X1,X2) s(mark(X)) -> s(X) DP Processor: DPs: mark#(and(X1,X2)) -> mark#(X1) mark#(and(X1,X2)) -> and#(mark(X1),X2) mark#(plus(X1,X2)) -> mark#(X2) mark#(plus(X1,X2)) -> mark#(X1) mark#(plus(X1,X2)) -> plus#(mark(X1),mark(X2)) mark#(s(X)) -> mark#(X) mark#(s(X)) -> s#(mark(X)) and#(mark(X1),X2) -> and#(X1,X2) and#(X1,mark(X2)) -> and#(X1,X2) plus#(mark(X1),X2) -> plus#(X1,X2) plus#(X1,mark(X2)) -> plus#(X1,X2) s#(mark(X)) -> s#(X) TRS: mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(plus(X1,X2)) -> active(plus(mark(X1),mark(X2))) mark(s(X)) -> active(s(mark(X))) and(mark(X1),X2) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) plus(mark(X1),X2) -> plus(X1,X2) plus(X1,mark(X2)) -> plus(X1,X2) s(mark(X)) -> s(X) TDG Processor: DPs: mark#(and(X1,X2)) -> mark#(X1) mark#(and(X1,X2)) -> and#(mark(X1),X2) mark#(plus(X1,X2)) -> mark#(X2) mark#(plus(X1,X2)) -> mark#(X1) mark#(plus(X1,X2)) -> plus#(mark(X1),mark(X2)) mark#(s(X)) -> mark#(X) mark#(s(X)) -> s#(mark(X)) and#(mark(X1),X2) -> and#(X1,X2) and#(X1,mark(X2)) -> and#(X1,X2) plus#(mark(X1),X2) -> plus#(X1,X2) plus#(X1,mark(X2)) -> plus#(X1,X2) s#(mark(X)) -> s#(X) TRS: mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(plus(X1,X2)) -> active(plus(mark(X1),mark(X2))) mark(s(X)) -> active(s(mark(X))) and(mark(X1),X2) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) plus(mark(X1),X2) -> plus(X1,X2) plus(X1,mark(X2)) -> plus(X1,X2) s(mark(X)) -> s(X) graph: s#(mark(X)) -> s#(X) -> s#(mark(X)) -> s#(X) plus#(mark(X1),X2) -> plus#(X1,X2) -> plus#(X1,mark(X2)) -> plus#(X1,X2) plus#(mark(X1),X2) -> plus#(X1,X2) -> plus#(mark(X1),X2) -> plus#(X1,X2) plus#(X1,mark(X2)) -> plus#(X1,X2) -> plus#(X1,mark(X2)) -> plus#(X1,X2) plus#(X1,mark(X2)) -> plus#(X1,X2) -> plus#(mark(X1),X2) -> plus#(X1,X2) and#(mark(X1),X2) -> and#(X1,X2) -> and#(X1,mark(X2)) -> and#(X1,X2) and#(mark(X1),X2) -> and#(X1,X2) -> and#(mark(X1),X2) -> and#(X1,X2) and#(X1,mark(X2)) -> and#(X1,X2) -> and#(X1,mark(X2)) -> and#(X1,X2) and#(X1,mark(X2)) -> and#(X1,X2) -> and#(mark(X1),X2) -> and#(X1,X2) mark#(s(X)) -> s#(mark(X)) -> s#(mark(X)) -> s#(X) mark#(s(X)) -> mark#(X) -> mark#(s(X)) -> s#(mark(X)) mark#(s(X)) -> mark#(X) -> mark#(s(X)) -> mark#(X) mark#(s(X)) -> mark#(X) -> mark#(plus(X1,X2)) -> plus#(mark(X1),mark(X2)) mark#(s(X)) -> mark#(X) -> mark#(plus(X1,X2)) -> mark#(X1) mark#(s(X)) -> mark#(X) -> mark#(plus(X1,X2)) -> mark#(X2) mark#(s(X)) -> mark#(X) -> mark#(and(X1,X2)) -> and#(mark(X1),X2) mark#(s(X)) -> mark#(X) -> mark#(and(X1,X2)) -> mark#(X1) mark#(plus(X1,X2)) -> plus#(mark(X1),mark(X2)) -> plus#(X1,mark(X2)) -> plus#(X1,X2) mark#(plus(X1,X2)) -> plus#(mark(X1),mark(X2)) -> plus#(mark(X1),X2) -> plus#(X1,X2) mark#(plus(X1,X2)) -> mark#(X2) -> mark#(s(X)) -> s#(mark(X)) mark#(plus(X1,X2)) -> mark#(X2) -> mark#(s(X)) -> mark#(X) mark#(plus(X1,X2)) -> mark#(X2) -> mark#(plus(X1,X2)) -> plus#(mark(X1),mark(X2)) mark#(plus(X1,X2)) -> mark#(X2) -> mark#(plus(X1,X2)) -> mark#(X1) mark#(plus(X1,X2)) -> mark#(X2) -> mark#(plus(X1,X2)) -> mark#(X2) mark#(plus(X1,X2)) -> mark#(X2) -> mark#(and(X1,X2)) -> and#(mark(X1),X2) mark#(plus(X1,X2)) -> mark#(X2) -> mark#(and(X1,X2)) -> mark#(X1) mark#(plus(X1,X2)) -> mark#(X1) -> mark#(s(X)) -> s#(mark(X)) mark#(plus(X1,X2)) -> mark#(X1) -> mark#(s(X)) -> mark#(X) mark#(plus(X1,X2)) -> mark#(X1) -> mark#(plus(X1,X2)) -> plus#(mark(X1),mark(X2)) mark#(plus(X1,X2)) -> mark#(X1) -> mark#(plus(X1,X2)) -> mark#(X1) mark#(plus(X1,X2)) -> mark#(X1) -> mark#(plus(X1,X2)) -> mark#(X2) mark#(plus(X1,X2)) -> mark#(X1) -> mark#(and(X1,X2)) -> and#(mark(X1),X2) mark#(plus(X1,X2)) -> mark#(X1) -> mark#(and(X1,X2)) -> mark#(X1) mark#(and(X1,X2)) -> and#(mark(X1),X2) -> and#(X1,mark(X2)) -> and#(X1,X2) mark#(and(X1,X2)) -> and#(mark(X1),X2) -> and#(mark(X1),X2) -> and#(X1,X2) mark#(and(X1,X2)) -> mark#(X1) -> mark#(s(X)) -> s#(mark(X)) mark#(and(X1,X2)) -> mark#(X1) -> mark#(s(X)) -> mark#(X) mark#(and(X1,X2)) -> mark#(X1) -> mark#(plus(X1,X2)) -> plus#(mark(X1),mark(X2)) mark#(and(X1,X2)) -> mark#(X1) -> mark#(plus(X1,X2)) -> mark#(X1) mark#(and(X1,X2)) -> mark#(X1) -> mark#(plus(X1,X2)) -> mark#(X2) mark#(and(X1,X2)) -> mark#(X1) -> mark#(and(X1,X2)) -> and#(mark(X1),X2) mark#(and(X1,X2)) -> mark#(X1) -> mark#(and(X1,X2)) -> mark#(X1) SCC Processor: #sccs: 4 #rules: 9 #arcs: 42/144 DPs: mark#(s(X)) -> mark#(X) mark#(and(X1,X2)) -> mark#(X1) mark#(plus(X1,X2)) -> mark#(X2) mark#(plus(X1,X2)) -> mark#(X1) TRS: mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(plus(X1,X2)) -> active(plus(mark(X1),mark(X2))) mark(s(X)) -> active(s(mark(X))) and(mark(X1),X2) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) plus(mark(X1),X2) -> plus(X1,X2) plus(X1,mark(X2)) -> plus(X1,X2) s(mark(X)) -> s(X) Subterm Criterion Processor: simple projection: pi(mark#) = 0 problem: DPs: TRS: mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(plus(X1,X2)) -> active(plus(mark(X1),mark(X2))) mark(s(X)) -> active(s(mark(X))) and(mark(X1),X2) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) plus(mark(X1),X2) -> plus(X1,X2) plus(X1,mark(X2)) -> plus(X1,X2) s(mark(X)) -> s(X) Qed DPs: and#(mark(X1),X2) -> and#(X1,X2) and#(X1,mark(X2)) -> and#(X1,X2) TRS: mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(plus(X1,X2)) -> active(plus(mark(X1),mark(X2))) mark(s(X)) -> active(s(mark(X))) and(mark(X1),X2) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) plus(mark(X1),X2) -> plus(X1,X2) plus(X1,mark(X2)) -> plus(X1,X2) s(mark(X)) -> s(X) Subterm Criterion Processor: simple projection: pi(and#) = 1 problem: DPs: and#(mark(X1),X2) -> and#(X1,X2) TRS: mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(plus(X1,X2)) -> active(plus(mark(X1),mark(X2))) mark(s(X)) -> active(s(mark(X))) and(mark(X1),X2) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) plus(mark(X1),X2) -> plus(X1,X2) plus(X1,mark(X2)) -> plus(X1,X2) s(mark(X)) -> s(X) Subterm Criterion Processor: simple projection: pi(and#) = 0 problem: DPs: TRS: mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(plus(X1,X2)) -> active(plus(mark(X1),mark(X2))) mark(s(X)) -> active(s(mark(X))) and(mark(X1),X2) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) plus(mark(X1),X2) -> plus(X1,X2) plus(X1,mark(X2)) -> plus(X1,X2) s(mark(X)) -> s(X) Qed DPs: plus#(mark(X1),X2) -> plus#(X1,X2) plus#(X1,mark(X2)) -> plus#(X1,X2) TRS: mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(plus(X1,X2)) -> active(plus(mark(X1),mark(X2))) mark(s(X)) -> active(s(mark(X))) and(mark(X1),X2) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) plus(mark(X1),X2) -> plus(X1,X2) plus(X1,mark(X2)) -> plus(X1,X2) s(mark(X)) -> s(X) Subterm Criterion Processor: simple projection: pi(plus#) = 1 problem: DPs: plus#(mark(X1),X2) -> plus#(X1,X2) TRS: mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(plus(X1,X2)) -> active(plus(mark(X1),mark(X2))) mark(s(X)) -> active(s(mark(X))) and(mark(X1),X2) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) plus(mark(X1),X2) -> plus(X1,X2) plus(X1,mark(X2)) -> plus(X1,X2) s(mark(X)) -> s(X) Subterm Criterion Processor: simple projection: pi(plus#) = 0 problem: DPs: TRS: mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(plus(X1,X2)) -> active(plus(mark(X1),mark(X2))) mark(s(X)) -> active(s(mark(X))) and(mark(X1),X2) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) plus(mark(X1),X2) -> plus(X1,X2) plus(X1,mark(X2)) -> plus(X1,X2) s(mark(X)) -> s(X) Qed DPs: s#(mark(X)) -> s#(X) TRS: mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(plus(X1,X2)) -> active(plus(mark(X1),mark(X2))) mark(s(X)) -> active(s(mark(X))) and(mark(X1),X2) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) plus(mark(X1),X2) -> plus(X1,X2) plus(X1,mark(X2)) -> plus(X1,X2) s(mark(X)) -> s(X) Subterm Criterion Processor: simple projection: pi(s#) = 0 problem: DPs: TRS: mark(and(X1,X2)) -> active(and(mark(X1),X2)) mark(plus(X1,X2)) -> active(plus(mark(X1),mark(X2))) mark(s(X)) -> active(s(mark(X))) and(mark(X1),X2) -> and(X1,X2) and(X1,mark(X2)) -> and(X1,X2) plus(mark(X1),X2) -> plus(X1,X2) plus(X1,mark(X2)) -> plus(X1,X2) s(mark(X)) -> s(X) Qed