YES TRS: { activate(X) -> X, activate(n__filter(X1, X2, X3)) -> filter(X1, X2, X3), activate(n__sieve(X)) -> sieve(X), activate(n__nats(X)) -> nats(X), filter(X1, X2, X3) -> n__filter(X1, X2, X3), filter(cons(X, Y), 0(), M) -> cons(0(), n__filter(activate(Y), M, M)), filter(cons(X, Y), s(N), M) -> cons(X, n__filter(activate(Y), N, M)), sieve(X) -> n__sieve(X), sieve(cons(0(), Y)) -> cons(0(), n__sieve(activate(Y))), sieve(cons(s(N), Y)) -> cons(s(N), n__sieve(filter(activate(Y), N, N))), nats(X) -> n__nats(X), nats(N) -> cons(N, n__nats(s(N))), zprimes() -> sieve(nats(s(s(0()))))} DP: Strict: {activate#(n__filter(X1, X2, X3)) -> filter#(X1, X2, X3), activate#(n__sieve(X)) -> sieve#(X), activate#(n__nats(X)) -> nats#(X), filter#(cons(X, Y), 0(), M) -> activate#(Y), filter#(cons(X, Y), s(N), M) -> activate#(Y), sieve#(cons(0(), Y)) -> activate#(Y), sieve#(cons(s(N), Y)) -> activate#(Y), sieve#(cons(s(N), Y)) -> filter#(activate(Y), N, N), zprimes#() -> sieve#(nats(s(s(0())))), zprimes#() -> nats#(s(s(0())))} Weak: { activate(X) -> X, activate(n__filter(X1, X2, X3)) -> filter(X1, X2, X3), activate(n__sieve(X)) -> sieve(X), activate(n__nats(X)) -> nats(X), filter(X1, X2, X3) -> n__filter(X1, X2, X3), filter(cons(X, Y), 0(), M) -> cons(0(), n__filter(activate(Y), M, M)), filter(cons(X, Y), s(N), M) -> cons(X, n__filter(activate(Y), N, M)), sieve(X) -> n__sieve(X), sieve(cons(0(), Y)) -> cons(0(), n__sieve(activate(Y))), sieve(cons(s(N), Y)) -> cons(s(N), n__sieve(filter(activate(Y), N, N))), nats(X) -> n__nats(X), nats(N) -> cons(N, n__nats(s(N))), zprimes() -> sieve(nats(s(s(0()))))} EDG: {(filter#(cons(X, Y), s(N), M) -> activate#(Y), activate#(n__nats(X)) -> nats#(X)) (filter#(cons(X, Y), s(N), M) -> activate#(Y), activate#(n__sieve(X)) -> sieve#(X)) (filter#(cons(X, Y), s(N), M) -> activate#(Y), activate#(n__filter(X1, X2, X3)) -> filter#(X1, X2, X3)) (sieve#(cons(s(N), Y)) -> activate#(Y), activate#(n__nats(X)) -> nats#(X)) (sieve#(cons(s(N), Y)) -> activate#(Y), activate#(n__sieve(X)) -> sieve#(X)) (sieve#(cons(s(N), Y)) -> activate#(Y), activate#(n__filter(X1, X2, X3)) -> filter#(X1, X2, X3)) (zprimes#() -> sieve#(nats(s(s(0())))), sieve#(cons(s(N), Y)) -> filter#(activate(Y), N, N)) (zprimes#() -> sieve#(nats(s(s(0())))), sieve#(cons(s(N), Y)) -> activate#(Y)) (zprimes#() -> sieve#(nats(s(s(0())))), sieve#(cons(0(), Y)) -> activate#(Y)) (activate#(n__filter(X1, X2, X3)) -> filter#(X1, X2, X3), filter#(cons(X, Y), s(N), M) -> activate#(Y)) (activate#(n__filter(X1, X2, X3)) -> filter#(X1, X2, X3), filter#(cons(X, Y), 0(), M) -> activate#(Y)) (sieve#(cons(s(N), Y)) -> filter#(activate(Y), N, N), filter#(cons(X, Y), 0(), M) -> activate#(Y)) (sieve#(cons(s(N), Y)) -> filter#(activate(Y), N, N), filter#(cons(X, Y), s(N), M) -> activate#(Y)) (activate#(n__sieve(X)) -> sieve#(X), sieve#(cons(0(), Y)) -> activate#(Y)) (activate#(n__sieve(X)) -> sieve#(X), sieve#(cons(s(N), Y)) -> activate#(Y)) (activate#(n__sieve(X)) -> sieve#(X), sieve#(cons(s(N), Y)) -> filter#(activate(Y), N, N)) (sieve#(cons(0(), Y)) -> activate#(Y), activate#(n__filter(X1, X2, X3)) -> filter#(X1, X2, X3)) (sieve#(cons(0(), Y)) -> activate#(Y), activate#(n__sieve(X)) -> sieve#(X)) (sieve#(cons(0(), Y)) -> activate#(Y), activate#(n__nats(X)) -> nats#(X)) (filter#(cons(X, Y), 0(), M) -> activate#(Y), activate#(n__filter(X1, X2, X3)) -> filter#(X1, X2, X3)) (filter#(cons(X, Y), 0(), M) -> activate#(Y), activate#(n__sieve(X)) -> sieve#(X)) (filter#(cons(X, Y), 0(), M) -> activate#(Y), activate#(n__nats(X)) -> nats#(X))} SCCS: Scc: {activate#(n__filter(X1, X2, X3)) -> filter#(X1, X2, X3), activate#(n__sieve(X)) -> sieve#(X), filter#(cons(X, Y), 0(), M) -> activate#(Y), filter#(cons(X, Y), s(N), M) -> activate#(Y), sieve#(cons(0(), Y)) -> activate#(Y), sieve#(cons(s(N), Y)) -> activate#(Y), sieve#(cons(s(N), Y)) -> filter#(activate(Y), N, N)} SCC: Strict: {activate#(n__filter(X1, X2, X3)) -> filter#(X1, X2, X3), activate#(n__sieve(X)) -> sieve#(X), filter#(cons(X, Y), 0(), M) -> activate#(Y), filter#(cons(X, Y), s(N), M) -> activate#(Y), sieve#(cons(0(), Y)) -> activate#(Y), sieve#(cons(s(N), Y)) -> activate#(Y), sieve#(cons(s(N), Y)) -> filter#(activate(Y), N, N)} Weak: { activate(X) -> X, activate(n__filter(X1, X2, X3)) -> filter(X1, X2, X3), activate(n__sieve(X)) -> sieve(X), activate(n__nats(X)) -> nats(X), filter(X1, X2, X3) -> n__filter(X1, X2, X3), filter(cons(X, Y), 0(), M) -> cons(0(), n__filter(activate(Y), M, M)), filter(cons(X, Y), s(N), M) -> cons(X, n__filter(activate(Y), N, M)), sieve(X) -> n__sieve(X), sieve(cons(0(), Y)) -> cons(0(), n__sieve(activate(Y))), sieve(cons(s(N), Y)) -> cons(s(N), n__sieve(filter(activate(Y), N, N))), nats(X) -> n__nats(X), nats(N) -> cons(N, n__nats(s(N))), zprimes() -> sieve(nats(s(s(0()))))} POLY: Argument Filtering: pi(zprimes) = [], pi(nats) = [], pi(n__nats) = [], pi(sieve#) = 0, pi(sieve) = [0], pi(n__sieve) = [0], pi(s) = [], pi(filter#) = 0, pi(filter) = 0, pi(activate#) = 0, pi(activate) = 0, pi(n__filter) = 0, pi(0) = [], pi(cons) = 1 Usable Rules: {} Interpretation: [n__sieve](x0) = x0 + 1 Strict: {activate#(n__filter(X1, X2, X3)) -> filter#(X1, X2, X3), filter#(cons(X, Y), 0(), M) -> activate#(Y), filter#(cons(X, Y), s(N), M) -> activate#(Y), sieve#(cons(0(), Y)) -> activate#(Y), sieve#(cons(s(N), Y)) -> activate#(Y), sieve#(cons(s(N), Y)) -> filter#(activate(Y), N, N)} Weak: { activate(X) -> X, activate(n__filter(X1, X2, X3)) -> filter(X1, X2, X3), activate(n__sieve(X)) -> sieve(X), activate(n__nats(X)) -> nats(X), filter(X1, X2, X3) -> n__filter(X1, X2, X3), filter(cons(X, Y), 0(), M) -> cons(0(), n__filter(activate(Y), M, M)), filter(cons(X, Y), s(N), M) -> cons(X, n__filter(activate(Y), N, M)), sieve(X) -> n__sieve(X), sieve(cons(0(), Y)) -> cons(0(), n__sieve(activate(Y))), sieve(cons(s(N), Y)) -> cons(s(N), n__sieve(filter(activate(Y), N, N))), nats(X) -> n__nats(X), nats(N) -> cons(N, n__nats(s(N))), zprimes() -> sieve(nats(s(s(0()))))} EDG: {(filter#(cons(X, Y), s(N), M) -> activate#(Y), activate#(n__filter(X1, X2, X3)) -> filter#(X1, X2, X3)) (sieve#(cons(s(N), Y)) -> activate#(Y), activate#(n__filter(X1, X2, X3)) -> filter#(X1, X2, X3)) (activate#(n__filter(X1, X2, X3)) -> filter#(X1, X2, X3), filter#(cons(X, Y), s(N), M) -> activate#(Y)) (activate#(n__filter(X1, X2, X3)) -> filter#(X1, X2, X3), filter#(cons(X, Y), 0(), M) -> activate#(Y)) (sieve#(cons(s(N), Y)) -> filter#(activate(Y), N, N), filter#(cons(X, Y), 0(), M) -> activate#(Y)) (sieve#(cons(s(N), Y)) -> filter#(activate(Y), N, N), filter#(cons(X, Y), s(N), M) -> activate#(Y)) (sieve#(cons(0(), Y)) -> activate#(Y), activate#(n__filter(X1, X2, X3)) -> filter#(X1, X2, X3)) (filter#(cons(X, Y), 0(), M) -> activate#(Y), activate#(n__filter(X1, X2, X3)) -> filter#(X1, X2, X3))} SCCS: Scc: {activate#(n__filter(X1, X2, X3)) -> filter#(X1, X2, X3), filter#(cons(X, Y), 0(), M) -> activate#(Y), filter#(cons(X, Y), s(N), M) -> activate#(Y)} SCC: Strict: {activate#(n__filter(X1, X2, X3)) -> filter#(X1, X2, X3), filter#(cons(X, Y), 0(), M) -> activate#(Y), filter#(cons(X, Y), s(N), M) -> activate#(Y)} Weak: { activate(X) -> X, activate(n__filter(X1, X2, X3)) -> filter(X1, X2, X3), activate(n__sieve(X)) -> sieve(X), activate(n__nats(X)) -> nats(X), filter(X1, X2, X3) -> n__filter(X1, X2, X3), filter(cons(X, Y), 0(), M) -> cons(0(), n__filter(activate(Y), M, M)), filter(cons(X, Y), s(N), M) -> cons(X, n__filter(activate(Y), N, M)), sieve(X) -> n__sieve(X), sieve(cons(0(), Y)) -> cons(0(), n__sieve(activate(Y))), sieve(cons(s(N), Y)) -> cons(s(N), n__sieve(filter(activate(Y), N, N))), nats(X) -> n__nats(X), nats(N) -> cons(N, n__nats(s(N))), zprimes() -> sieve(nats(s(s(0()))))} SPSC: Simple Projection: pi(filter#) = 0, pi(activate#) = 0 Strict: { filter#(cons(X, Y), 0(), M) -> activate#(Y), filter#(cons(X, Y), s(N), M) -> activate#(Y)} EDG: {} SCCS: Qed