YES Problem: active(terms(N)) -> mark(cons(recip(sqr(N)),terms(s(N)))) active(sqr(0())) -> mark(0()) active(sqr(s(X))) -> mark(s(add(sqr(X),dbl(X)))) active(dbl(0())) -> mark(0()) active(dbl(s(X))) -> mark(s(s(dbl(X)))) active(add(0(),X)) -> mark(X) active(add(s(X),Y)) -> mark(s(add(X,Y))) active(first(0(),X)) -> mark(nil()) active(first(s(X),cons(Y,Z))) -> mark(cons(Y,first(X,Z))) mark(terms(X)) -> active(terms(mark(X))) mark(cons(X1,X2)) -> active(cons(mark(X1),X2)) mark(recip(X)) -> active(recip(mark(X))) mark(sqr(X)) -> active(sqr(mark(X))) mark(s(X)) -> active(s(X)) mark(0()) -> active(0()) mark(add(X1,X2)) -> active(add(mark(X1),mark(X2))) mark(dbl(X)) -> active(dbl(mark(X))) mark(first(X1,X2)) -> active(first(mark(X1),mark(X2))) mark(nil()) -> active(nil()) terms(mark(X)) -> terms(X) terms(active(X)) -> terms(X) cons(mark(X1),X2) -> cons(X1,X2) cons(X1,mark(X2)) -> cons(X1,X2) cons(active(X1),X2) -> cons(X1,X2) cons(X1,active(X2)) -> cons(X1,X2) recip(mark(X)) -> recip(X) recip(active(X)) -> recip(X) sqr(mark(X)) -> sqr(X) sqr(active(X)) -> sqr(X) s(mark(X)) -> s(X) s(active(X)) -> s(X) add(mark(X1),X2) -> add(X1,X2) add(X1,mark(X2)) -> add(X1,X2) add(active(X1),X2) -> add(X1,X2) add(X1,active(X2)) -> add(X1,X2) dbl(mark(X)) -> dbl(X) dbl(active(X)) -> dbl(X) first(mark(X1),X2) -> first(X1,X2) first(X1,mark(X2)) -> first(X1,X2) first(active(X1),X2) -> first(X1,X2) first(X1,active(X2)) -> first(X1,X2) Proof: DP Processor: DPs: active#(terms(N)) -> s#(N) active#(terms(N)) -> terms#(s(N)) active#(terms(N)) -> sqr#(N) active#(terms(N)) -> recip#(sqr(N)) active#(terms(N)) -> cons#(recip(sqr(N)),terms(s(N))) active#(terms(N)) -> mark#(cons(recip(sqr(N)),terms(s(N)))) active#(sqr(0())) -> mark#(0()) active#(sqr(s(X))) -> dbl#(X) active#(sqr(s(X))) -> sqr#(X) active#(sqr(s(X))) -> add#(sqr(X),dbl(X)) active#(sqr(s(X))) -> s#(add(sqr(X),dbl(X))) active#(sqr(s(X))) -> mark#(s(add(sqr(X),dbl(X)))) active#(dbl(0())) -> mark#(0()) active#(dbl(s(X))) -> dbl#(X) active#(dbl(s(X))) -> s#(dbl(X)) active#(dbl(s(X))) -> s#(s(dbl(X))) active#(dbl(s(X))) -> mark#(s(s(dbl(X)))) active#(add(0(),X)) -> mark#(X) active#(add(s(X),Y)) -> add#(X,Y) active#(add(s(X),Y)) -> s#(add(X,Y)) active#(add(s(X),Y)) -> mark#(s(add(X,Y))) active#(first(0(),X)) -> mark#(nil()) active#(first(s(X),cons(Y,Z))) -> first#(X,Z) active#(first(s(X),cons(Y,Z))) -> cons#(Y,first(X,Z)) active#(first(s(X),cons(Y,Z))) -> mark#(cons(Y,first(X,Z))) mark#(terms(X)) -> mark#(X) mark#(terms(X)) -> terms#(mark(X)) mark#(terms(X)) -> active#(terms(mark(X))) mark#(cons(X1,X2)) -> mark#(X1) mark#(cons(X1,X2)) -> cons#(mark(X1),X2) mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) mark#(recip(X)) -> mark#(X) mark#(recip(X)) -> recip#(mark(X)) mark#(recip(X)) -> active#(recip(mark(X))) mark#(sqr(X)) -> mark#(X) mark#(sqr(X)) -> sqr#(mark(X)) mark#(sqr(X)) -> active#(sqr(mark(X))) mark#(s(X)) -> active#(s(X)) mark#(0()) -> active#(0()) mark#(add(X1,X2)) -> mark#(X2) mark#(add(X1,X2)) -> mark#(X1) mark#(add(X1,X2)) -> add#(mark(X1),mark(X2)) mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) mark#(dbl(X)) -> mark#(X) mark#(dbl(X)) -> dbl#(mark(X)) mark#(dbl(X)) -> active#(dbl(mark(X))) mark#(first(X1,X2)) -> mark#(X2) mark#(first(X1,X2)) -> mark#(X1) mark#(first(X1,X2)) -> first#(mark(X1),mark(X2)) mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) mark#(nil()) -> active#(nil()) terms#(mark(X)) -> terms#(X) terms#(active(X)) -> terms#(X) cons#(mark(X1),X2) -> cons#(X1,X2) cons#(X1,mark(X2)) -> cons#(X1,X2) cons#(active(X1),X2) -> cons#(X1,X2) cons#(X1,active(X2)) -> cons#(X1,X2) recip#(mark(X)) -> recip#(X) recip#(active(X)) -> recip#(X) sqr#(mark(X)) -> sqr#(X) sqr#(active(X)) -> sqr#(X) s#(mark(X)) -> s#(X) s#(active(X)) -> s#(X) add#(mark(X1),X2) -> add#(X1,X2) add#(X1,mark(X2)) -> add#(X1,X2) add#(active(X1),X2) -> add#(X1,X2) add#(X1,active(X2)) -> add#(X1,X2) dbl#(mark(X)) -> dbl#(X) dbl#(active(X)) -> dbl#(X) first#(mark(X1),X2) -> first#(X1,X2) first#(X1,mark(X2)) -> first#(X1,X2) first#(active(X1),X2) -> first#(X1,X2) first#(X1,active(X2)) -> first#(X1,X2) TRS: active(terms(N)) -> mark(cons(recip(sqr(N)),terms(s(N)))) active(sqr(0())) -> mark(0()) active(sqr(s(X))) -> mark(s(add(sqr(X),dbl(X)))) active(dbl(0())) -> mark(0()) active(dbl(s(X))) -> mark(s(s(dbl(X)))) active(add(0(),X)) -> mark(X) active(add(s(X),Y)) -> mark(s(add(X,Y))) active(first(0(),X)) -> mark(nil()) active(first(s(X),cons(Y,Z))) -> mark(cons(Y,first(X,Z))) mark(terms(X)) -> active(terms(mark(X))) mark(cons(X1,X2)) -> active(cons(mark(X1),X2)) mark(recip(X)) -> active(recip(mark(X))) mark(sqr(X)) -> active(sqr(mark(X))) mark(s(X)) -> active(s(X)) mark(0()) -> active(0()) mark(add(X1,X2)) -> active(add(mark(X1),mark(X2))) mark(dbl(X)) -> active(dbl(mark(X))) mark(first(X1,X2)) -> active(first(mark(X1),mark(X2))) mark(nil()) -> active(nil()) terms(mark(X)) -> terms(X) terms(active(X)) -> terms(X) cons(mark(X1),X2) -> cons(X1,X2) cons(X1,mark(X2)) -> cons(X1,X2) cons(active(X1),X2) -> cons(X1,X2) cons(X1,active(X2)) -> cons(X1,X2) recip(mark(X)) -> recip(X) recip(active(X)) -> recip(X) sqr(mark(X)) -> sqr(X) sqr(active(X)) -> sqr(X) s(mark(X)) -> s(X) s(active(X)) -> s(X) add(mark(X1),X2) -> add(X1,X2) add(X1,mark(X2)) -> add(X1,X2) add(active(X1),X2) -> add(X1,X2) add(X1,active(X2)) -> add(X1,X2) dbl(mark(X)) -> dbl(X) dbl(active(X)) -> dbl(X) first(mark(X1),X2) -> first(X1,X2) first(X1,mark(X2)) -> first(X1,X2) first(active(X1),X2) -> first(X1,X2) first(X1,active(X2)) -> first(X1,X2) TDG Processor: DPs: active#(terms(N)) -> s#(N) active#(terms(N)) -> terms#(s(N)) active#(terms(N)) -> sqr#(N) active#(terms(N)) -> recip#(sqr(N)) active#(terms(N)) -> cons#(recip(sqr(N)),terms(s(N))) active#(terms(N)) -> mark#(cons(recip(sqr(N)),terms(s(N)))) active#(sqr(0())) -> mark#(0()) active#(sqr(s(X))) -> dbl#(X) active#(sqr(s(X))) -> sqr#(X) active#(sqr(s(X))) -> add#(sqr(X),dbl(X)) active#(sqr(s(X))) -> s#(add(sqr(X),dbl(X))) active#(sqr(s(X))) -> mark#(s(add(sqr(X),dbl(X)))) active#(dbl(0())) -> mark#(0()) active#(dbl(s(X))) -> dbl#(X) active#(dbl(s(X))) -> s#(dbl(X)) active#(dbl(s(X))) -> s#(s(dbl(X))) active#(dbl(s(X))) -> mark#(s(s(dbl(X)))) active#(add(0(),X)) -> mark#(X) active#(add(s(X),Y)) -> add#(X,Y) active#(add(s(X),Y)) -> s#(add(X,Y)) active#(add(s(X),Y)) -> mark#(s(add(X,Y))) active#(first(0(),X)) -> mark#(nil()) active#(first(s(X),cons(Y,Z))) -> first#(X,Z) active#(first(s(X),cons(Y,Z))) -> cons#(Y,first(X,Z)) active#(first(s(X),cons(Y,Z))) -> mark#(cons(Y,first(X,Z))) mark#(terms(X)) -> mark#(X) mark#(terms(X)) -> terms#(mark(X)) mark#(terms(X)) -> active#(terms(mark(X))) mark#(cons(X1,X2)) -> mark#(X1) mark#(cons(X1,X2)) -> cons#(mark(X1),X2) mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) mark#(recip(X)) -> mark#(X) mark#(recip(X)) -> recip#(mark(X)) mark#(recip(X)) -> active#(recip(mark(X))) mark#(sqr(X)) -> mark#(X) mark#(sqr(X)) -> sqr#(mark(X)) mark#(sqr(X)) -> active#(sqr(mark(X))) mark#(s(X)) -> active#(s(X)) mark#(0()) -> active#(0()) mark#(add(X1,X2)) -> mark#(X2) mark#(add(X1,X2)) -> mark#(X1) mark#(add(X1,X2)) -> add#(mark(X1),mark(X2)) mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) mark#(dbl(X)) -> mark#(X) mark#(dbl(X)) -> dbl#(mark(X)) mark#(dbl(X)) -> active#(dbl(mark(X))) mark#(first(X1,X2)) -> mark#(X2) mark#(first(X1,X2)) -> mark#(X1) mark#(first(X1,X2)) -> first#(mark(X1),mark(X2)) mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) mark#(nil()) -> active#(nil()) terms#(mark(X)) -> terms#(X) terms#(active(X)) -> terms#(X) cons#(mark(X1),X2) -> cons#(X1,X2) cons#(X1,mark(X2)) -> cons#(X1,X2) cons#(active(X1),X2) -> cons#(X1,X2) cons#(X1,active(X2)) -> cons#(X1,X2) recip#(mark(X)) -> recip#(X) recip#(active(X)) -> recip#(X) sqr#(mark(X)) -> sqr#(X) sqr#(active(X)) -> sqr#(X) s#(mark(X)) -> s#(X) s#(active(X)) -> s#(X) add#(mark(X1),X2) -> add#(X1,X2) add#(X1,mark(X2)) -> add#(X1,X2) add#(active(X1),X2) -> add#(X1,X2) add#(X1,active(X2)) -> add#(X1,X2) dbl#(mark(X)) -> dbl#(X) dbl#(active(X)) -> dbl#(X) first#(mark(X1),X2) -> first#(X1,X2) first#(X1,mark(X2)) -> first#(X1,X2) first#(active(X1),X2) -> first#(X1,X2) first#(X1,active(X2)) -> first#(X1,X2) TRS: active(terms(N)) -> mark(cons(recip(sqr(N)),terms(s(N)))) active(sqr(0())) -> mark(0()) active(sqr(s(X))) -> mark(s(add(sqr(X),dbl(X)))) active(dbl(0())) -> mark(0()) active(dbl(s(X))) -> mark(s(s(dbl(X)))) active(add(0(),X)) -> mark(X) active(add(s(X),Y)) -> mark(s(add(X,Y))) active(first(0(),X)) -> mark(nil()) active(first(s(X),cons(Y,Z))) -> mark(cons(Y,first(X,Z))) mark(terms(X)) -> active(terms(mark(X))) mark(cons(X1,X2)) -> active(cons(mark(X1),X2)) mark(recip(X)) -> active(recip(mark(X))) mark(sqr(X)) -> active(sqr(mark(X))) mark(s(X)) -> active(s(X)) mark(0()) -> active(0()) mark(add(X1,X2)) -> active(add(mark(X1),mark(X2))) mark(dbl(X)) -> active(dbl(mark(X))) mark(first(X1,X2)) -> active(first(mark(X1),mark(X2))) mark(nil()) -> active(nil()) terms(mark(X)) -> terms(X) terms(active(X)) -> terms(X) cons(mark(X1),X2) -> cons(X1,X2) cons(X1,mark(X2)) -> cons(X1,X2) cons(active(X1),X2) -> cons(X1,X2) cons(X1,active(X2)) -> cons(X1,X2) recip(mark(X)) -> recip(X) recip(active(X)) -> recip(X) sqr(mark(X)) -> sqr(X) sqr(active(X)) -> sqr(X) s(mark(X)) -> s(X) s(active(X)) -> s(X) add(mark(X1),X2) -> add(X1,X2) add(X1,mark(X2)) -> add(X1,X2) add(active(X1),X2) -> add(X1,X2) add(X1,active(X2)) -> add(X1,X2) dbl(mark(X)) -> dbl(X) dbl(active(X)) -> dbl(X) first(mark(X1),X2) -> first(X1,X2) first(X1,mark(X2)) -> first(X1,X2) first(active(X1),X2) -> first(X1,X2) first(X1,active(X2)) -> first(X1,X2) graph: first#(mark(X1),X2) -> first#(X1,X2) -> first#(X1,active(X2)) -> first#(X1,X2) first#(mark(X1),X2) -> first#(X1,X2) -> first#(active(X1),X2) -> first#(X1,X2) first#(mark(X1),X2) -> first#(X1,X2) -> first#(X1,mark(X2)) -> first#(X1,X2) first#(mark(X1),X2) -> first#(X1,X2) -> first#(mark(X1),X2) -> first#(X1,X2) first#(active(X1),X2) -> first#(X1,X2) -> first#(X1,active(X2)) -> first#(X1,X2) first#(active(X1),X2) -> first#(X1,X2) -> first#(active(X1),X2) -> first#(X1,X2) first#(active(X1),X2) -> first#(X1,X2) -> first#(X1,mark(X2)) -> first#(X1,X2) first#(active(X1),X2) -> first#(X1,X2) -> first#(mark(X1),X2) -> first#(X1,X2) first#(X1,mark(X2)) -> first#(X1,X2) -> first#(X1,active(X2)) -> first#(X1,X2) first#(X1,mark(X2)) -> first#(X1,X2) -> first#(active(X1),X2) -> first#(X1,X2) first#(X1,mark(X2)) -> first#(X1,X2) -> first#(X1,mark(X2)) -> first#(X1,X2) first#(X1,mark(X2)) -> first#(X1,X2) -> first#(mark(X1),X2) -> first#(X1,X2) first#(X1,active(X2)) -> first#(X1,X2) -> first#(X1,active(X2)) -> first#(X1,X2) first#(X1,active(X2)) -> first#(X1,X2) -> first#(active(X1),X2) -> first#(X1,X2) first#(X1,active(X2)) -> first#(X1,X2) -> first#(X1,mark(X2)) -> first#(X1,X2) first#(X1,active(X2)) -> first#(X1,X2) -> first#(mark(X1),X2) -> first#(X1,X2) add#(mark(X1),X2) -> add#(X1,X2) -> add#(X1,active(X2)) -> add#(X1,X2) add#(mark(X1),X2) -> add#(X1,X2) -> add#(active(X1),X2) -> add#(X1,X2) add#(mark(X1),X2) -> add#(X1,X2) -> add#(X1,mark(X2)) -> add#(X1,X2) add#(mark(X1),X2) -> add#(X1,X2) -> add#(mark(X1),X2) -> add#(X1,X2) add#(active(X1),X2) -> add#(X1,X2) -> add#(X1,active(X2)) -> add#(X1,X2) add#(active(X1),X2) -> add#(X1,X2) -> add#(active(X1),X2) -> add#(X1,X2) add#(active(X1),X2) -> add#(X1,X2) -> add#(X1,mark(X2)) -> add#(X1,X2) add#(active(X1),X2) -> add#(X1,X2) -> add#(mark(X1),X2) -> add#(X1,X2) add#(X1,mark(X2)) -> add#(X1,X2) -> add#(X1,active(X2)) -> add#(X1,X2) add#(X1,mark(X2)) -> add#(X1,X2) -> add#(active(X1),X2) -> add#(X1,X2) add#(X1,mark(X2)) -> add#(X1,X2) -> add#(X1,mark(X2)) -> add#(X1,X2) add#(X1,mark(X2)) -> add#(X1,X2) -> add#(mark(X1),X2) -> add#(X1,X2) add#(X1,active(X2)) -> add#(X1,X2) -> add#(X1,active(X2)) -> add#(X1,X2) add#(X1,active(X2)) -> add#(X1,X2) -> add#(active(X1),X2) -> add#(X1,X2) add#(X1,active(X2)) -> add#(X1,X2) -> add#(X1,mark(X2)) -> add#(X1,X2) add#(X1,active(X2)) -> add#(X1,X2) -> add#(mark(X1),X2) -> add#(X1,X2) dbl#(mark(X)) -> dbl#(X) -> dbl#(active(X)) -> dbl#(X) dbl#(mark(X)) -> dbl#(X) -> dbl#(mark(X)) -> dbl#(X) dbl#(active(X)) -> dbl#(X) -> dbl#(active(X)) -> dbl#(X) dbl#(active(X)) -> dbl#(X) -> dbl#(mark(X)) -> dbl#(X) mark#(nil()) -> active#(nil()) -> active#(first(s(X),cons(Y,Z))) -> mark#(cons(Y,first(X,Z))) mark#(nil()) -> active#(nil()) -> active#(first(s(X),cons(Y,Z))) -> cons#(Y,first(X,Z)) mark#(nil()) -> active#(nil()) -> active#(first(s(X),cons(Y,Z))) -> first#(X,Z) mark#(nil()) -> active#(nil()) -> active#(first(0(),X)) -> mark#(nil()) mark#(nil()) -> active#(nil()) -> active#(add(s(X),Y)) -> mark#(s(add(X,Y))) mark#(nil()) -> active#(nil()) -> active#(add(s(X),Y)) -> s#(add(X,Y)) mark#(nil()) -> active#(nil()) -> active#(add(s(X),Y)) -> add#(X,Y) mark#(nil()) -> active#(nil()) -> active#(add(0(),X)) -> mark#(X) mark#(nil()) -> active#(nil()) -> active#(dbl(s(X))) -> mark#(s(s(dbl(X)))) mark#(nil()) -> active#(nil()) -> active#(dbl(s(X))) -> s#(s(dbl(X))) mark#(nil()) -> active#(nil()) -> active#(dbl(s(X))) -> s#(dbl(X)) mark#(nil()) -> active#(nil()) -> active#(dbl(s(X))) -> dbl#(X) mark#(nil()) -> active#(nil()) -> active#(dbl(0())) -> mark#(0()) mark#(nil()) -> active#(nil()) -> active#(sqr(s(X))) -> mark#(s(add(sqr(X),dbl(X)))) mark#(nil()) -> active#(nil()) -> active#(sqr(s(X))) -> s#(add(sqr(X),dbl(X))) mark#(nil()) -> active#(nil()) -> active#(sqr(s(X))) -> add#(sqr(X),dbl(X)) mark#(nil()) -> active#(nil()) -> active#(sqr(s(X))) -> sqr#(X) mark#(nil()) -> active#(nil()) -> active#(sqr(s(X))) -> dbl#(X) mark#(nil()) -> active#(nil()) -> active#(sqr(0())) -> mark#(0()) mark#(nil()) -> active#(nil()) -> active#(terms(N)) -> mark#(cons(recip(sqr(N)),terms(s(N)))) mark#(nil()) -> active#(nil()) -> active#(terms(N)) -> cons#(recip(sqr(N)),terms(s(N))) mark#(nil()) -> active#(nil()) -> active#(terms(N)) -> recip#(sqr(N)) mark#(nil()) -> active#(nil()) -> active#(terms(N)) -> sqr#(N) mark#(nil()) -> active#(nil()) -> active#(terms(N)) -> terms#(s(N)) mark#(nil()) -> active#(nil()) -> active#(terms(N)) -> s#(N) mark#(first(X1,X2)) -> first#(mark(X1),mark(X2)) -> first#(X1,active(X2)) -> first#(X1,X2) mark#(first(X1,X2)) -> first#(mark(X1),mark(X2)) -> first#(active(X1),X2) -> first#(X1,X2) mark#(first(X1,X2)) -> first#(mark(X1),mark(X2)) -> first#(X1,mark(X2)) -> first#(X1,X2) mark#(first(X1,X2)) -> first#(mark(X1),mark(X2)) -> first#(mark(X1),X2) -> first#(X1,X2) mark#(first(X1,X2)) -> mark#(X2) -> mark#(nil()) -> active#(nil()) mark#(first(X1,X2)) -> mark#(X2) -> mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) mark#(first(X1,X2)) -> mark#(X2) -> mark#(first(X1,X2)) -> first#(mark(X1),mark(X2)) mark#(first(X1,X2)) -> mark#(X2) -> mark#(first(X1,X2)) -> mark#(X1) mark#(first(X1,X2)) -> mark#(X2) -> mark#(first(X1,X2)) -> mark#(X2) mark#(first(X1,X2)) -> mark#(X2) -> mark#(dbl(X)) -> active#(dbl(mark(X))) mark#(first(X1,X2)) -> mark#(X2) -> mark#(dbl(X)) -> dbl#(mark(X)) mark#(first(X1,X2)) -> mark#(X2) -> mark#(dbl(X)) -> mark#(X) mark#(first(X1,X2)) -> mark#(X2) -> mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) mark#(first(X1,X2)) -> mark#(X2) -> mark#(add(X1,X2)) -> add#(mark(X1),mark(X2)) mark#(first(X1,X2)) -> mark#(X2) -> mark#(add(X1,X2)) -> mark#(X1) mark#(first(X1,X2)) -> mark#(X2) -> mark#(add(X1,X2)) -> mark#(X2) mark#(first(X1,X2)) -> mark#(X2) -> mark#(0()) -> active#(0()) mark#(first(X1,X2)) -> mark#(X2) -> mark#(s(X)) -> active#(s(X)) mark#(first(X1,X2)) -> mark#(X2) -> mark#(sqr(X)) -> active#(sqr(mark(X))) mark#(first(X1,X2)) -> mark#(X2) -> mark#(sqr(X)) -> sqr#(mark(X)) mark#(first(X1,X2)) -> mark#(X2) -> mark#(sqr(X)) -> mark#(X) mark#(first(X1,X2)) -> mark#(X2) -> mark#(recip(X)) -> active#(recip(mark(X))) mark#(first(X1,X2)) -> mark#(X2) -> mark#(recip(X)) -> recip#(mark(X)) mark#(first(X1,X2)) -> mark#(X2) -> mark#(recip(X)) -> mark#(X) mark#(first(X1,X2)) -> mark#(X2) -> mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) mark#(first(X1,X2)) -> mark#(X2) -> mark#(cons(X1,X2)) -> cons#(mark(X1),X2) mark#(first(X1,X2)) -> mark#(X2) -> mark#(cons(X1,X2)) -> mark#(X1) mark#(first(X1,X2)) -> mark#(X2) -> mark#(terms(X)) -> active#(terms(mark(X))) mark#(first(X1,X2)) -> mark#(X2) -> mark#(terms(X)) -> terms#(mark(X)) mark#(first(X1,X2)) -> mark#(X2) -> mark#(terms(X)) -> mark#(X) mark#(first(X1,X2)) -> mark#(X1) -> mark#(nil()) -> active#(nil()) mark#(first(X1,X2)) -> mark#(X1) -> mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) mark#(first(X1,X2)) -> mark#(X1) -> mark#(first(X1,X2)) -> first#(mark(X1),mark(X2)) mark#(first(X1,X2)) -> mark#(X1) -> mark#(first(X1,X2)) -> mark#(X1) mark#(first(X1,X2)) -> mark#(X1) -> mark#(first(X1,X2)) -> mark#(X2) mark#(first(X1,X2)) -> mark#(X1) -> mark#(dbl(X)) -> active#(dbl(mark(X))) mark#(first(X1,X2)) -> mark#(X1) -> mark#(dbl(X)) -> dbl#(mark(X)) mark#(first(X1,X2)) -> mark#(X1) -> mark#(dbl(X)) -> mark#(X) mark#(first(X1,X2)) -> mark#(X1) -> mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) mark#(first(X1,X2)) -> mark#(X1) -> mark#(add(X1,X2)) -> add#(mark(X1),mark(X2)) mark#(first(X1,X2)) -> mark#(X1) -> mark#(add(X1,X2)) -> mark#(X1) mark#(first(X1,X2)) -> mark#(X1) -> mark#(add(X1,X2)) -> mark#(X2) mark#(first(X1,X2)) -> mark#(X1) -> mark#(0()) -> active#(0()) mark#(first(X1,X2)) -> mark#(X1) -> mark#(s(X)) -> active#(s(X)) mark#(first(X1,X2)) -> mark#(X1) -> mark#(sqr(X)) -> active#(sqr(mark(X))) mark#(first(X1,X2)) -> mark#(X1) -> mark#(sqr(X)) -> sqr#(mark(X)) mark#(first(X1,X2)) -> mark#(X1) -> mark#(sqr(X)) -> mark#(X) mark#(first(X1,X2)) -> mark#(X1) -> mark#(recip(X)) -> active#(recip(mark(X))) mark#(first(X1,X2)) -> mark#(X1) -> mark#(recip(X)) -> recip#(mark(X)) mark#(first(X1,X2)) -> mark#(X1) -> mark#(recip(X)) -> mark#(X) mark#(first(X1,X2)) -> mark#(X1) -> mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) mark#(first(X1,X2)) -> mark#(X1) -> mark#(cons(X1,X2)) -> cons#(mark(X1),X2) mark#(first(X1,X2)) -> mark#(X1) -> mark#(cons(X1,X2)) -> mark#(X1) mark#(first(X1,X2)) -> mark#(X1) -> mark#(terms(X)) -> active#(terms(mark(X))) mark#(first(X1,X2)) -> mark#(X1) -> mark#(terms(X)) -> terms#(mark(X)) mark#(first(X1,X2)) -> mark#(X1) -> mark#(terms(X)) -> mark#(X) mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) -> active#(first(s(X),cons(Y,Z))) -> mark#(cons(Y,first(X,Z))) mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) -> active#(first(s(X),cons(Y,Z))) -> cons#(Y,first(X,Z)) mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) -> active#(first(s(X),cons(Y,Z))) -> first#(X,Z) mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) -> active#(first(0(),X)) -> mark#(nil()) mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) -> active#(add(s(X),Y)) -> mark#(s(add(X,Y))) mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) -> active#(add(s(X),Y)) -> s#(add(X,Y)) mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) -> active#(add(s(X),Y)) -> add#(X,Y) mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) -> active#(add(0(),X)) -> mark#(X) mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) -> active#(dbl(s(X))) -> mark#(s(s(dbl(X)))) mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) -> active#(dbl(s(X))) -> s#(s(dbl(X))) mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) -> active#(dbl(s(X))) -> s#(dbl(X)) mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) -> active#(dbl(s(X))) -> dbl#(X) mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) -> active#(dbl(0())) -> mark#(0()) mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) -> active#(sqr(s(X))) -> mark#(s(add(sqr(X),dbl(X)))) mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) -> active#(sqr(s(X))) -> s#(add(sqr(X),dbl(X))) mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) -> active#(sqr(s(X))) -> add#(sqr(X),dbl(X)) mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) -> active#(sqr(s(X))) -> sqr#(X) mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) -> active#(sqr(s(X))) -> dbl#(X) mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) -> active#(sqr(0())) -> mark#(0()) mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) -> active#(terms(N)) -> mark#(cons(recip(sqr(N)),terms(s(N)))) mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) -> active#(terms(N)) -> cons#(recip(sqr(N)),terms(s(N))) mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) -> active#(terms(N)) -> recip#(sqr(N)) mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) -> active#(terms(N)) -> sqr#(N) mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) -> active#(terms(N)) -> terms#(s(N)) mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) -> active#(terms(N)) -> s#(N) mark#(add(X1,X2)) -> add#(mark(X1),mark(X2)) -> add#(X1,active(X2)) -> add#(X1,X2) mark#(add(X1,X2)) -> add#(mark(X1),mark(X2)) -> add#(active(X1),X2) -> add#(X1,X2) mark#(add(X1,X2)) -> add#(mark(X1),mark(X2)) -> add#(X1,mark(X2)) -> add#(X1,X2) mark#(add(X1,X2)) -> add#(mark(X1),mark(X2)) -> add#(mark(X1),X2) -> add#(X1,X2) mark#(add(X1,X2)) -> mark#(X2) -> mark#(nil()) -> active#(nil()) mark#(add(X1,X2)) -> mark#(X2) -> mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) mark#(add(X1,X2)) -> mark#(X2) -> mark#(first(X1,X2)) -> first#(mark(X1),mark(X2)) mark#(add(X1,X2)) -> mark#(X2) -> mark#(first(X1,X2)) -> mark#(X1) mark#(add(X1,X2)) -> mark#(X2) -> mark#(first(X1,X2)) -> mark#(X2) mark#(add(X1,X2)) -> mark#(X2) -> mark#(dbl(X)) -> active#(dbl(mark(X))) mark#(add(X1,X2)) -> mark#(X2) -> mark#(dbl(X)) -> dbl#(mark(X)) mark#(add(X1,X2)) -> mark#(X2) -> mark#(dbl(X)) -> mark#(X) mark#(add(X1,X2)) -> mark#(X2) -> mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) mark#(add(X1,X2)) -> mark#(X2) -> mark#(add(X1,X2)) -> add#(mark(X1),mark(X2)) mark#(add(X1,X2)) -> mark#(X2) -> mark#(add(X1,X2)) -> mark#(X1) mark#(add(X1,X2)) -> mark#(X2) -> mark#(add(X1,X2)) -> mark#(X2) mark#(add(X1,X2)) -> mark#(X2) -> mark#(0()) -> active#(0()) mark#(add(X1,X2)) -> mark#(X2) -> mark#(s(X)) -> active#(s(X)) mark#(add(X1,X2)) -> mark#(X2) -> mark#(sqr(X)) -> active#(sqr(mark(X))) mark#(add(X1,X2)) -> mark#(X2) -> mark#(sqr(X)) -> sqr#(mark(X)) mark#(add(X1,X2)) -> mark#(X2) -> mark#(sqr(X)) -> mark#(X) mark#(add(X1,X2)) -> mark#(X2) -> mark#(recip(X)) -> active#(recip(mark(X))) mark#(add(X1,X2)) -> mark#(X2) -> mark#(recip(X)) -> recip#(mark(X)) mark#(add(X1,X2)) -> mark#(X2) -> mark#(recip(X)) -> mark#(X) mark#(add(X1,X2)) -> mark#(X2) -> mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) mark#(add(X1,X2)) -> mark#(X2) -> mark#(cons(X1,X2)) -> cons#(mark(X1),X2) mark#(add(X1,X2)) -> mark#(X2) -> mark#(cons(X1,X2)) -> mark#(X1) mark#(add(X1,X2)) -> mark#(X2) -> mark#(terms(X)) -> active#(terms(mark(X))) mark#(add(X1,X2)) -> mark#(X2) -> mark#(terms(X)) -> terms#(mark(X)) mark#(add(X1,X2)) -> mark#(X2) -> mark#(terms(X)) -> mark#(X) mark#(add(X1,X2)) -> mark#(X1) -> mark#(nil()) -> active#(nil()) mark#(add(X1,X2)) -> mark#(X1) -> mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) mark#(add(X1,X2)) -> mark#(X1) -> mark#(first(X1,X2)) -> first#(mark(X1),mark(X2)) mark#(add(X1,X2)) -> mark#(X1) -> mark#(first(X1,X2)) -> mark#(X1) mark#(add(X1,X2)) -> mark#(X1) -> mark#(first(X1,X2)) -> mark#(X2) mark#(add(X1,X2)) -> mark#(X1) -> mark#(dbl(X)) -> active#(dbl(mark(X))) mark#(add(X1,X2)) -> mark#(X1) -> mark#(dbl(X)) -> dbl#(mark(X)) mark#(add(X1,X2)) -> mark#(X1) -> mark#(dbl(X)) -> mark#(X) mark#(add(X1,X2)) -> mark#(X1) -> mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) mark#(add(X1,X2)) -> mark#(X1) -> mark#(add(X1,X2)) -> add#(mark(X1),mark(X2)) mark#(add(X1,X2)) -> mark#(X1) -> mark#(add(X1,X2)) -> mark#(X1) mark#(add(X1,X2)) -> mark#(X1) -> mark#(add(X1,X2)) -> mark#(X2) mark#(add(X1,X2)) -> mark#(X1) -> mark#(0()) -> active#(0()) mark#(add(X1,X2)) -> mark#(X1) -> mark#(s(X)) -> active#(s(X)) mark#(add(X1,X2)) -> mark#(X1) -> mark#(sqr(X)) -> active#(sqr(mark(X))) mark#(add(X1,X2)) -> mark#(X1) -> mark#(sqr(X)) -> sqr#(mark(X)) mark#(add(X1,X2)) -> mark#(X1) -> mark#(sqr(X)) -> mark#(X) mark#(add(X1,X2)) -> mark#(X1) -> mark#(recip(X)) -> active#(recip(mark(X))) mark#(add(X1,X2)) -> mark#(X1) -> mark#(recip(X)) -> recip#(mark(X)) mark#(add(X1,X2)) -> mark#(X1) -> mark#(recip(X)) -> mark#(X) mark#(add(X1,X2)) -> mark#(X1) -> mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) mark#(add(X1,X2)) -> mark#(X1) -> mark#(cons(X1,X2)) -> cons#(mark(X1),X2) mark#(add(X1,X2)) -> mark#(X1) -> mark#(cons(X1,X2)) -> mark#(X1) mark#(add(X1,X2)) -> mark#(X1) -> mark#(terms(X)) -> active#(terms(mark(X))) mark#(add(X1,X2)) -> mark#(X1) -> mark#(terms(X)) -> terms#(mark(X)) mark#(add(X1,X2)) -> mark#(X1) -> mark#(terms(X)) -> mark#(X) mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) -> active#(first(s(X),cons(Y,Z))) -> mark#(cons(Y,first(X,Z))) mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) -> active#(first(s(X),cons(Y,Z))) -> cons#(Y,first(X,Z)) mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) -> active#(first(s(X),cons(Y,Z))) -> first#(X,Z) mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) -> active#(first(0(),X)) -> mark#(nil()) mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) -> active#(add(s(X),Y)) -> mark#(s(add(X,Y))) mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) -> active#(add(s(X),Y)) -> s#(add(X,Y)) mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) -> active#(add(s(X),Y)) -> add#(X,Y) mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) -> active#(add(0(),X)) -> mark#(X) mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) -> active#(dbl(s(X))) -> mark#(s(s(dbl(X)))) mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) -> active#(dbl(s(X))) -> s#(s(dbl(X))) mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) -> active#(dbl(s(X))) -> s#(dbl(X)) mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) -> active#(dbl(s(X))) -> dbl#(X) mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) -> active#(dbl(0())) -> mark#(0()) mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) -> active#(sqr(s(X))) -> mark#(s(add(sqr(X),dbl(X)))) mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) -> active#(sqr(s(X))) -> s#(add(sqr(X),dbl(X))) mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) -> active#(sqr(s(X))) -> add#(sqr(X),dbl(X)) mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) -> active#(sqr(s(X))) -> sqr#(X) mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) -> active#(sqr(s(X))) -> dbl#(X) mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) -> active#(sqr(0())) -> mark#(0()) mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) -> active#(terms(N)) -> mark#(cons(recip(sqr(N)),terms(s(N)))) mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) -> active#(terms(N)) -> cons#(recip(sqr(N)),terms(s(N))) mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) -> active#(terms(N)) -> recip#(sqr(N)) mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) -> active#(terms(N)) -> sqr#(N) mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) -> active#(terms(N)) -> terms#(s(N)) mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) -> active#(terms(N)) -> s#(N) mark#(dbl(X)) -> dbl#(mark(X)) -> dbl#(active(X)) -> dbl#(X) mark#(dbl(X)) -> dbl#(mark(X)) -> dbl#(mark(X)) -> dbl#(X) mark#(dbl(X)) -> mark#(X) -> mark#(nil()) -> active#(nil()) mark#(dbl(X)) -> mark#(X) -> mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) mark#(dbl(X)) -> mark#(X) -> mark#(first(X1,X2)) -> first#(mark(X1),mark(X2)) mark#(dbl(X)) -> mark#(X) -> mark#(first(X1,X2)) -> mark#(X1) mark#(dbl(X)) -> mark#(X) -> mark#(first(X1,X2)) -> mark#(X2) mark#(dbl(X)) -> mark#(X) -> mark#(dbl(X)) -> active#(dbl(mark(X))) mark#(dbl(X)) -> mark#(X) -> mark#(dbl(X)) -> dbl#(mark(X)) mark#(dbl(X)) -> mark#(X) -> mark#(dbl(X)) -> mark#(X) mark#(dbl(X)) -> mark#(X) -> mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) mark#(dbl(X)) -> mark#(X) -> mark#(add(X1,X2)) -> add#(mark(X1),mark(X2)) mark#(dbl(X)) -> mark#(X) -> mark#(add(X1,X2)) -> mark#(X1) mark#(dbl(X)) -> mark#(X) -> mark#(add(X1,X2)) -> mark#(X2) mark#(dbl(X)) -> mark#(X) -> mark#(0()) -> active#(0()) mark#(dbl(X)) -> mark#(X) -> mark#(s(X)) -> active#(s(X)) mark#(dbl(X)) -> mark#(X) -> mark#(sqr(X)) -> active#(sqr(mark(X))) mark#(dbl(X)) -> mark#(X) -> mark#(sqr(X)) -> sqr#(mark(X)) mark#(dbl(X)) -> mark#(X) -> mark#(sqr(X)) -> mark#(X) mark#(dbl(X)) -> mark#(X) -> mark#(recip(X)) -> active#(recip(mark(X))) mark#(dbl(X)) -> mark#(X) -> mark#(recip(X)) -> recip#(mark(X)) mark#(dbl(X)) -> mark#(X) -> mark#(recip(X)) -> mark#(X) mark#(dbl(X)) -> mark#(X) -> mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) mark#(dbl(X)) -> mark#(X) -> mark#(cons(X1,X2)) -> cons#(mark(X1),X2) mark#(dbl(X)) -> mark#(X) -> mark#(cons(X1,X2)) -> mark#(X1) mark#(dbl(X)) -> mark#(X) -> mark#(terms(X)) -> active#(terms(mark(X))) mark#(dbl(X)) -> mark#(X) -> mark#(terms(X)) -> terms#(mark(X)) mark#(dbl(X)) -> mark#(X) -> mark#(terms(X)) -> mark#(X) mark#(dbl(X)) -> active#(dbl(mark(X))) -> active#(first(s(X),cons(Y,Z))) -> mark#(cons(Y,first(X,Z))) mark#(dbl(X)) -> active#(dbl(mark(X))) -> active#(first(s(X),cons(Y,Z))) -> cons#(Y,first(X,Z)) mark#(dbl(X)) -> active#(dbl(mark(X))) -> active#(first(s(X),cons(Y,Z))) -> first#(X,Z) mark#(dbl(X)) -> active#(dbl(mark(X))) -> active#(first(0(),X)) -> mark#(nil()) mark#(dbl(X)) -> active#(dbl(mark(X))) -> active#(add(s(X),Y)) -> mark#(s(add(X,Y))) mark#(dbl(X)) -> active#(dbl(mark(X))) -> active#(add(s(X),Y)) -> s#(add(X,Y)) mark#(dbl(X)) -> active#(dbl(mark(X))) -> active#(add(s(X),Y)) -> add#(X,Y) mark#(dbl(X)) -> active#(dbl(mark(X))) -> active#(add(0(),X)) -> mark#(X) mark#(dbl(X)) -> active#(dbl(mark(X))) -> active#(dbl(s(X))) -> mark#(s(s(dbl(X)))) mark#(dbl(X)) -> active#(dbl(mark(X))) -> active#(dbl(s(X))) -> s#(s(dbl(X))) mark#(dbl(X)) -> active#(dbl(mark(X))) -> active#(dbl(s(X))) -> s#(dbl(X)) mark#(dbl(X)) -> active#(dbl(mark(X))) -> active#(dbl(s(X))) -> dbl#(X) mark#(dbl(X)) -> active#(dbl(mark(X))) -> active#(dbl(0())) -> mark#(0()) mark#(dbl(X)) -> active#(dbl(mark(X))) -> active#(sqr(s(X))) -> mark#(s(add(sqr(X),dbl(X)))) mark#(dbl(X)) -> active#(dbl(mark(X))) -> active#(sqr(s(X))) -> s#(add(sqr(X),dbl(X))) mark#(dbl(X)) -> active#(dbl(mark(X))) -> active#(sqr(s(X))) -> add#(sqr(X),dbl(X)) mark#(dbl(X)) -> active#(dbl(mark(X))) -> active#(sqr(s(X))) -> sqr#(X) mark#(dbl(X)) -> active#(dbl(mark(X))) -> active#(sqr(s(X))) -> dbl#(X) mark#(dbl(X)) -> active#(dbl(mark(X))) -> active#(sqr(0())) -> mark#(0()) mark#(dbl(X)) -> active#(dbl(mark(X))) -> active#(terms(N)) -> mark#(cons(recip(sqr(N)),terms(s(N)))) mark#(dbl(X)) -> active#(dbl(mark(X))) -> active#(terms(N)) -> cons#(recip(sqr(N)),terms(s(N))) mark#(dbl(X)) -> active#(dbl(mark(X))) -> active#(terms(N)) -> recip#(sqr(N)) mark#(dbl(X)) -> active#(dbl(mark(X))) -> active#(terms(N)) -> sqr#(N) mark#(dbl(X)) -> active#(dbl(mark(X))) -> active#(terms(N)) -> terms#(s(N)) mark#(dbl(X)) -> active#(dbl(mark(X))) -> active#(terms(N)) -> s#(N) mark#(0()) -> active#(0()) -> active#(first(s(X),cons(Y,Z))) -> mark#(cons(Y,first(X,Z))) mark#(0()) -> active#(0()) -> active#(first(s(X),cons(Y,Z))) -> cons#(Y,first(X,Z)) mark#(0()) -> active#(0()) -> active#(first(s(X),cons(Y,Z))) -> first#(X,Z) mark#(0()) -> active#(0()) -> active#(first(0(),X)) -> mark#(nil()) mark#(0()) -> active#(0()) -> active#(add(s(X),Y)) -> mark#(s(add(X,Y))) mark#(0()) -> active#(0()) -> active#(add(s(X),Y)) -> s#(add(X,Y)) mark#(0()) -> active#(0()) -> active#(add(s(X),Y)) -> add#(X,Y) mark#(0()) -> active#(0()) -> active#(add(0(),X)) -> mark#(X) mark#(0()) -> active#(0()) -> active#(dbl(s(X))) -> mark#(s(s(dbl(X)))) mark#(0()) -> active#(0()) -> active#(dbl(s(X))) -> s#(s(dbl(X))) mark#(0()) -> active#(0()) -> active#(dbl(s(X))) -> s#(dbl(X)) mark#(0()) -> active#(0()) -> active#(dbl(s(X))) -> dbl#(X) mark#(0()) -> active#(0()) -> active#(dbl(0())) -> mark#(0()) mark#(0()) -> active#(0()) -> active#(sqr(s(X))) -> mark#(s(add(sqr(X),dbl(X)))) mark#(0()) -> active#(0()) -> active#(sqr(s(X))) -> s#(add(sqr(X),dbl(X))) mark#(0()) -> active#(0()) -> active#(sqr(s(X))) -> add#(sqr(X),dbl(X)) mark#(0()) -> active#(0()) -> active#(sqr(s(X))) -> sqr#(X) mark#(0()) -> active#(0()) -> active#(sqr(s(X))) -> dbl#(X) mark#(0()) -> active#(0()) -> active#(sqr(0())) -> mark#(0()) mark#(0()) -> active#(0()) -> active#(terms(N)) -> mark#(cons(recip(sqr(N)),terms(s(N)))) mark#(0()) -> active#(0()) -> active#(terms(N)) -> cons#(recip(sqr(N)),terms(s(N))) mark#(0()) -> active#(0()) -> active#(terms(N)) -> recip#(sqr(N)) mark#(0()) -> active#(0()) -> active#(terms(N)) -> sqr#(N) mark#(0()) -> active#(0()) -> active#(terms(N)) -> terms#(s(N)) mark#(0()) -> active#(0()) -> active#(terms(N)) -> s#(N) mark#(cons(X1,X2)) -> mark#(X1) -> mark#(nil()) -> active#(nil()) mark#(cons(X1,X2)) -> mark#(X1) -> mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) mark#(cons(X1,X2)) -> mark#(X1) -> mark#(first(X1,X2)) -> first#(mark(X1),mark(X2)) mark#(cons(X1,X2)) -> mark#(X1) -> mark#(first(X1,X2)) -> mark#(X1) mark#(cons(X1,X2)) -> mark#(X1) -> mark#(first(X1,X2)) -> mark#(X2) mark#(cons(X1,X2)) -> mark#(X1) -> mark#(dbl(X)) -> active#(dbl(mark(X))) mark#(cons(X1,X2)) -> mark#(X1) -> mark#(dbl(X)) -> dbl#(mark(X)) mark#(cons(X1,X2)) -> mark#(X1) -> mark#(dbl(X)) -> mark#(X) mark#(cons(X1,X2)) -> mark#(X1) -> mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) mark#(cons(X1,X2)) -> mark#(X1) -> mark#(add(X1,X2)) -> add#(mark(X1),mark(X2)) mark#(cons(X1,X2)) -> mark#(X1) -> mark#(add(X1,X2)) -> mark#(X1) mark#(cons(X1,X2)) -> mark#(X1) -> mark#(add(X1,X2)) -> mark#(X2) mark#(cons(X1,X2)) -> mark#(X1) -> mark#(0()) -> active#(0()) mark#(cons(X1,X2)) -> mark#(X1) -> mark#(s(X)) -> active#(s(X)) mark#(cons(X1,X2)) -> mark#(X1) -> mark#(sqr(X)) -> active#(sqr(mark(X))) mark#(cons(X1,X2)) -> mark#(X1) -> mark#(sqr(X)) -> sqr#(mark(X)) mark#(cons(X1,X2)) -> mark#(X1) -> mark#(sqr(X)) -> mark#(X) mark#(cons(X1,X2)) -> mark#(X1) -> mark#(recip(X)) -> active#(recip(mark(X))) mark#(cons(X1,X2)) -> mark#(X1) -> mark#(recip(X)) -> recip#(mark(X)) mark#(cons(X1,X2)) -> mark#(X1) -> mark#(recip(X)) -> mark#(X) mark#(cons(X1,X2)) -> mark#(X1) -> mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) mark#(cons(X1,X2)) -> mark#(X1) -> mark#(cons(X1,X2)) -> cons#(mark(X1),X2) mark#(cons(X1,X2)) -> mark#(X1) -> mark#(cons(X1,X2)) -> mark#(X1) mark#(cons(X1,X2)) -> mark#(X1) -> mark#(terms(X)) -> active#(terms(mark(X))) mark#(cons(X1,X2)) -> mark#(X1) -> mark#(terms(X)) -> terms#(mark(X)) mark#(cons(X1,X2)) -> mark#(X1) -> mark#(terms(X)) -> mark#(X) mark#(cons(X1,X2)) -> cons#(mark(X1),X2) -> cons#(X1,active(X2)) -> cons#(X1,X2) mark#(cons(X1,X2)) -> cons#(mark(X1),X2) -> cons#(active(X1),X2) -> cons#(X1,X2) mark#(cons(X1,X2)) -> cons#(mark(X1),X2) -> cons#(X1,mark(X2)) -> cons#(X1,X2) mark#(cons(X1,X2)) -> cons#(mark(X1),X2) -> cons#(mark(X1),X2) -> cons#(X1,X2) mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) -> active#(first(s(X),cons(Y,Z))) -> mark#(cons(Y,first(X,Z))) mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) -> active#(first(s(X),cons(Y,Z))) -> cons#(Y,first(X,Z)) mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) -> active#(first(s(X),cons(Y,Z))) -> first#(X,Z) mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) -> active#(first(0(),X)) -> mark#(nil()) mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) -> active#(add(s(X),Y)) -> mark#(s(add(X,Y))) mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) -> active#(add(s(X),Y)) -> s#(add(X,Y)) mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) -> active#(add(s(X),Y)) -> add#(X,Y) mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) -> active#(add(0(),X)) -> mark#(X) mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) -> active#(dbl(s(X))) -> mark#(s(s(dbl(X)))) mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) -> active#(dbl(s(X))) -> s#(s(dbl(X))) mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) -> active#(dbl(s(X))) -> s#(dbl(X)) mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) -> active#(dbl(s(X))) -> dbl#(X) mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) -> active#(dbl(0())) -> mark#(0()) mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) -> active#(sqr(s(X))) -> mark#(s(add(sqr(X),dbl(X)))) mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) -> active#(sqr(s(X))) -> s#(add(sqr(X),dbl(X))) mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) -> active#(sqr(s(X))) -> add#(sqr(X),dbl(X)) mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) -> active#(sqr(s(X))) -> sqr#(X) mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) -> active#(sqr(s(X))) -> dbl#(X) mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) -> active#(sqr(0())) -> mark#(0()) mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) -> active#(terms(N)) -> mark#(cons(recip(sqr(N)),terms(s(N)))) mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) -> active#(terms(N)) -> cons#(recip(sqr(N)),terms(s(N))) mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) -> active#(terms(N)) -> recip#(sqr(N)) mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) -> active#(terms(N)) -> sqr#(N) mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) -> active#(terms(N)) -> terms#(s(N)) mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) -> active#(terms(N)) -> s#(N) mark#(s(X)) -> active#(s(X)) -> active#(first(s(X),cons(Y,Z))) -> mark#(cons(Y,first(X,Z))) mark#(s(X)) -> active#(s(X)) -> active#(first(s(X),cons(Y,Z))) -> cons#(Y,first(X,Z)) mark#(s(X)) -> active#(s(X)) -> active#(first(s(X),cons(Y,Z))) -> first#(X,Z) mark#(s(X)) -> active#(s(X)) -> active#(first(0(),X)) -> mark#(nil()) mark#(s(X)) -> active#(s(X)) -> active#(add(s(X),Y)) -> mark#(s(add(X,Y))) mark#(s(X)) -> active#(s(X)) -> active#(add(s(X),Y)) -> s#(add(X,Y)) mark#(s(X)) -> active#(s(X)) -> active#(add(s(X),Y)) -> add#(X,Y) mark#(s(X)) -> active#(s(X)) -> active#(add(0(),X)) -> mark#(X) mark#(s(X)) -> active#(s(X)) -> active#(dbl(s(X))) -> mark#(s(s(dbl(X)))) mark#(s(X)) -> active#(s(X)) -> active#(dbl(s(X))) -> s#(s(dbl(X))) mark#(s(X)) -> active#(s(X)) -> active#(dbl(s(X))) -> s#(dbl(X)) mark#(s(X)) -> active#(s(X)) -> active#(dbl(s(X))) -> dbl#(X) mark#(s(X)) -> active#(s(X)) -> active#(dbl(0())) -> mark#(0()) mark#(s(X)) -> active#(s(X)) -> active#(sqr(s(X))) -> mark#(s(add(sqr(X),dbl(X)))) mark#(s(X)) -> active#(s(X)) -> active#(sqr(s(X))) -> s#(add(sqr(X),dbl(X))) mark#(s(X)) -> active#(s(X)) -> active#(sqr(s(X))) -> add#(sqr(X),dbl(X)) mark#(s(X)) -> active#(s(X)) -> active#(sqr(s(X))) -> sqr#(X) mark#(s(X)) -> active#(s(X)) -> active#(sqr(s(X))) -> dbl#(X) mark#(s(X)) -> active#(s(X)) -> active#(sqr(0())) -> mark#(0()) mark#(s(X)) -> active#(s(X)) -> active#(terms(N)) -> mark#(cons(recip(sqr(N)),terms(s(N)))) mark#(s(X)) -> active#(s(X)) -> active#(terms(N)) -> cons#(recip(sqr(N)),terms(s(N))) mark#(s(X)) -> active#(s(X)) -> active#(terms(N)) -> recip#(sqr(N)) mark#(s(X)) -> active#(s(X)) -> active#(terms(N)) -> sqr#(N) mark#(s(X)) -> active#(s(X)) -> active#(terms(N)) -> terms#(s(N)) mark#(s(X)) -> active#(s(X)) -> active#(terms(N)) -> s#(N) mark#(recip(X)) -> mark#(X) -> mark#(nil()) -> active#(nil()) mark#(recip(X)) -> mark#(X) -> mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) mark#(recip(X)) -> mark#(X) -> mark#(first(X1,X2)) -> first#(mark(X1),mark(X2)) mark#(recip(X)) -> mark#(X) -> mark#(first(X1,X2)) -> mark#(X1) mark#(recip(X)) -> mark#(X) -> mark#(first(X1,X2)) -> mark#(X2) mark#(recip(X)) -> mark#(X) -> mark#(dbl(X)) -> active#(dbl(mark(X))) mark#(recip(X)) -> mark#(X) -> mark#(dbl(X)) -> dbl#(mark(X)) mark#(recip(X)) -> mark#(X) -> mark#(dbl(X)) -> mark#(X) mark#(recip(X)) -> mark#(X) -> mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) mark#(recip(X)) -> mark#(X) -> mark#(add(X1,X2)) -> add#(mark(X1),mark(X2)) mark#(recip(X)) -> mark#(X) -> mark#(add(X1,X2)) -> mark#(X1) mark#(recip(X)) -> mark#(X) -> mark#(add(X1,X2)) -> mark#(X2) mark#(recip(X)) -> mark#(X) -> mark#(0()) -> active#(0()) mark#(recip(X)) -> mark#(X) -> mark#(s(X)) -> active#(s(X)) mark#(recip(X)) -> mark#(X) -> mark#(sqr(X)) -> active#(sqr(mark(X))) mark#(recip(X)) -> mark#(X) -> mark#(sqr(X)) -> sqr#(mark(X)) mark#(recip(X)) -> mark#(X) -> mark#(sqr(X)) -> mark#(X) mark#(recip(X)) -> mark#(X) -> mark#(recip(X)) -> active#(recip(mark(X))) mark#(recip(X)) -> mark#(X) -> mark#(recip(X)) -> recip#(mark(X)) mark#(recip(X)) -> mark#(X) -> mark#(recip(X)) -> mark#(X) mark#(recip(X)) -> mark#(X) -> mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) mark#(recip(X)) -> mark#(X) -> mark#(cons(X1,X2)) -> cons#(mark(X1),X2) mark#(recip(X)) -> mark#(X) -> mark#(cons(X1,X2)) -> mark#(X1) mark#(recip(X)) -> mark#(X) -> mark#(terms(X)) -> active#(terms(mark(X))) mark#(recip(X)) -> mark#(X) -> mark#(terms(X)) -> terms#(mark(X)) mark#(recip(X)) -> mark#(X) -> mark#(terms(X)) -> mark#(X) mark#(recip(X)) -> recip#(mark(X)) -> recip#(active(X)) -> recip#(X) mark#(recip(X)) -> recip#(mark(X)) -> recip#(mark(X)) -> recip#(X) mark#(recip(X)) -> active#(recip(mark(X))) -> active#(first(s(X),cons(Y,Z))) -> mark#(cons(Y,first(X,Z))) mark#(recip(X)) -> active#(recip(mark(X))) -> active#(first(s(X),cons(Y,Z))) -> cons#(Y,first(X,Z)) mark#(recip(X)) -> active#(recip(mark(X))) -> active#(first(s(X),cons(Y,Z))) -> first#(X,Z) mark#(recip(X)) -> active#(recip(mark(X))) -> active#(first(0(),X)) -> mark#(nil()) mark#(recip(X)) -> active#(recip(mark(X))) -> active#(add(s(X),Y)) -> mark#(s(add(X,Y))) mark#(recip(X)) -> active#(recip(mark(X))) -> active#(add(s(X),Y)) -> s#(add(X,Y)) mark#(recip(X)) -> active#(recip(mark(X))) -> active#(add(s(X),Y)) -> add#(X,Y) mark#(recip(X)) -> active#(recip(mark(X))) -> active#(add(0(),X)) -> mark#(X) mark#(recip(X)) -> active#(recip(mark(X))) -> active#(dbl(s(X))) -> mark#(s(s(dbl(X)))) mark#(recip(X)) -> active#(recip(mark(X))) -> active#(dbl(s(X))) -> s#(s(dbl(X))) mark#(recip(X)) -> active#(recip(mark(X))) -> active#(dbl(s(X))) -> s#(dbl(X)) mark#(recip(X)) -> active#(recip(mark(X))) -> active#(dbl(s(X))) -> dbl#(X) mark#(recip(X)) -> active#(recip(mark(X))) -> active#(dbl(0())) -> mark#(0()) mark#(recip(X)) -> active#(recip(mark(X))) -> active#(sqr(s(X))) -> mark#(s(add(sqr(X),dbl(X)))) mark#(recip(X)) -> active#(recip(mark(X))) -> active#(sqr(s(X))) -> s#(add(sqr(X),dbl(X))) mark#(recip(X)) -> active#(recip(mark(X))) -> active#(sqr(s(X))) -> add#(sqr(X),dbl(X)) mark#(recip(X)) -> active#(recip(mark(X))) -> active#(sqr(s(X))) -> sqr#(X) mark#(recip(X)) -> active#(recip(mark(X))) -> active#(sqr(s(X))) -> dbl#(X) mark#(recip(X)) -> active#(recip(mark(X))) -> active#(sqr(0())) -> mark#(0()) mark#(recip(X)) -> active#(recip(mark(X))) -> active#(terms(N)) -> mark#(cons(recip(sqr(N)),terms(s(N)))) mark#(recip(X)) -> active#(recip(mark(X))) -> active#(terms(N)) -> cons#(recip(sqr(N)),terms(s(N))) mark#(recip(X)) -> active#(recip(mark(X))) -> active#(terms(N)) -> recip#(sqr(N)) mark#(recip(X)) -> active#(recip(mark(X))) -> active#(terms(N)) -> sqr#(N) mark#(recip(X)) -> active#(recip(mark(X))) -> active#(terms(N)) -> terms#(s(N)) mark#(recip(X)) -> active#(recip(mark(X))) -> active#(terms(N)) -> s#(N) mark#(sqr(X)) -> mark#(X) -> mark#(nil()) -> active#(nil()) mark#(sqr(X)) -> mark#(X) -> mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) mark#(sqr(X)) -> mark#(X) -> mark#(first(X1,X2)) -> first#(mark(X1),mark(X2)) mark#(sqr(X)) -> mark#(X) -> mark#(first(X1,X2)) -> mark#(X1) mark#(sqr(X)) -> mark#(X) -> mark#(first(X1,X2)) -> mark#(X2) mark#(sqr(X)) -> mark#(X) -> mark#(dbl(X)) -> active#(dbl(mark(X))) mark#(sqr(X)) -> mark#(X) -> mark#(dbl(X)) -> dbl#(mark(X)) mark#(sqr(X)) -> mark#(X) -> mark#(dbl(X)) -> mark#(X) mark#(sqr(X)) -> mark#(X) -> mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) mark#(sqr(X)) -> mark#(X) -> mark#(add(X1,X2)) -> add#(mark(X1),mark(X2)) mark#(sqr(X)) -> mark#(X) -> mark#(add(X1,X2)) -> mark#(X1) mark#(sqr(X)) -> mark#(X) -> mark#(add(X1,X2)) -> mark#(X2) mark#(sqr(X)) -> mark#(X) -> mark#(0()) -> active#(0()) mark#(sqr(X)) -> mark#(X) -> mark#(s(X)) -> active#(s(X)) mark#(sqr(X)) -> mark#(X) -> mark#(sqr(X)) -> active#(sqr(mark(X))) mark#(sqr(X)) -> mark#(X) -> mark#(sqr(X)) -> sqr#(mark(X)) mark#(sqr(X)) -> mark#(X) -> mark#(sqr(X)) -> mark#(X) mark#(sqr(X)) -> mark#(X) -> mark#(recip(X)) -> active#(recip(mark(X))) mark#(sqr(X)) -> mark#(X) -> mark#(recip(X)) -> recip#(mark(X)) mark#(sqr(X)) -> mark#(X) -> mark#(recip(X)) -> mark#(X) mark#(sqr(X)) -> mark#(X) -> mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) mark#(sqr(X)) -> mark#(X) -> mark#(cons(X1,X2)) -> cons#(mark(X1),X2) mark#(sqr(X)) -> mark#(X) -> mark#(cons(X1,X2)) -> mark#(X1) mark#(sqr(X)) -> mark#(X) -> mark#(terms(X)) -> active#(terms(mark(X))) mark#(sqr(X)) -> mark#(X) -> mark#(terms(X)) -> terms#(mark(X)) mark#(sqr(X)) -> mark#(X) -> mark#(terms(X)) -> mark#(X) mark#(sqr(X)) -> sqr#(mark(X)) -> sqr#(active(X)) -> sqr#(X) mark#(sqr(X)) -> sqr#(mark(X)) -> sqr#(mark(X)) -> sqr#(X) mark#(sqr(X)) -> active#(sqr(mark(X))) -> active#(first(s(X),cons(Y,Z))) -> mark#(cons(Y,first(X,Z))) mark#(sqr(X)) -> active#(sqr(mark(X))) -> active#(first(s(X),cons(Y,Z))) -> cons#(Y,first(X,Z)) mark#(sqr(X)) -> active#(sqr(mark(X))) -> active#(first(s(X),cons(Y,Z))) -> first#(X,Z) mark#(sqr(X)) -> active#(sqr(mark(X))) -> active#(first(0(),X)) -> mark#(nil()) mark#(sqr(X)) -> active#(sqr(mark(X))) -> active#(add(s(X),Y)) -> mark#(s(add(X,Y))) mark#(sqr(X)) -> active#(sqr(mark(X))) -> active#(add(s(X),Y)) -> s#(add(X,Y)) mark#(sqr(X)) -> active#(sqr(mark(X))) -> active#(add(s(X),Y)) -> add#(X,Y) mark#(sqr(X)) -> active#(sqr(mark(X))) -> active#(add(0(),X)) -> mark#(X) mark#(sqr(X)) -> active#(sqr(mark(X))) -> active#(dbl(s(X))) -> mark#(s(s(dbl(X)))) mark#(sqr(X)) -> active#(sqr(mark(X))) -> active#(dbl(s(X))) -> s#(s(dbl(X))) mark#(sqr(X)) -> active#(sqr(mark(X))) -> active#(dbl(s(X))) -> s#(dbl(X)) mark#(sqr(X)) -> active#(sqr(mark(X))) -> active#(dbl(s(X))) -> dbl#(X) mark#(sqr(X)) -> active#(sqr(mark(X))) -> active#(dbl(0())) -> mark#(0()) mark#(sqr(X)) -> active#(sqr(mark(X))) -> active#(sqr(s(X))) -> mark#(s(add(sqr(X),dbl(X)))) mark#(sqr(X)) -> active#(sqr(mark(X))) -> active#(sqr(s(X))) -> s#(add(sqr(X),dbl(X))) mark#(sqr(X)) -> active#(sqr(mark(X))) -> active#(sqr(s(X))) -> add#(sqr(X),dbl(X)) mark#(sqr(X)) -> active#(sqr(mark(X))) -> active#(sqr(s(X))) -> sqr#(X) mark#(sqr(X)) -> active#(sqr(mark(X))) -> active#(sqr(s(X))) -> dbl#(X) mark#(sqr(X)) -> active#(sqr(mark(X))) -> active#(sqr(0())) -> mark#(0()) mark#(sqr(X)) -> active#(sqr(mark(X))) -> active#(terms(N)) -> mark#(cons(recip(sqr(N)),terms(s(N)))) mark#(sqr(X)) -> active#(sqr(mark(X))) -> active#(terms(N)) -> cons#(recip(sqr(N)),terms(s(N))) mark#(sqr(X)) -> active#(sqr(mark(X))) -> active#(terms(N)) -> recip#(sqr(N)) mark#(sqr(X)) -> active#(sqr(mark(X))) -> active#(terms(N)) -> sqr#(N) mark#(sqr(X)) -> active#(sqr(mark(X))) -> active#(terms(N)) -> terms#(s(N)) mark#(sqr(X)) -> active#(sqr(mark(X))) -> active#(terms(N)) -> s#(N) mark#(terms(X)) -> mark#(X) -> mark#(nil()) -> active#(nil()) mark#(terms(X)) -> mark#(X) -> mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) mark#(terms(X)) -> mark#(X) -> mark#(first(X1,X2)) -> first#(mark(X1),mark(X2)) mark#(terms(X)) -> mark#(X) -> mark#(first(X1,X2)) -> mark#(X1) mark#(terms(X)) -> mark#(X) -> mark#(first(X1,X2)) -> mark#(X2) mark#(terms(X)) -> mark#(X) -> mark#(dbl(X)) -> active#(dbl(mark(X))) mark#(terms(X)) -> mark#(X) -> mark#(dbl(X)) -> dbl#(mark(X)) mark#(terms(X)) -> mark#(X) -> mark#(dbl(X)) -> mark#(X) mark#(terms(X)) -> mark#(X) -> mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) mark#(terms(X)) -> mark#(X) -> mark#(add(X1,X2)) -> add#(mark(X1),mark(X2)) mark#(terms(X)) -> mark#(X) -> mark#(add(X1,X2)) -> mark#(X1) mark#(terms(X)) -> mark#(X) -> mark#(add(X1,X2)) -> mark#(X2) mark#(terms(X)) -> mark#(X) -> mark#(0()) -> active#(0()) mark#(terms(X)) -> mark#(X) -> mark#(s(X)) -> active#(s(X)) mark#(terms(X)) -> mark#(X) -> mark#(sqr(X)) -> active#(sqr(mark(X))) mark#(terms(X)) -> mark#(X) -> mark#(sqr(X)) -> sqr#(mark(X)) mark#(terms(X)) -> mark#(X) -> mark#(sqr(X)) -> mark#(X) mark#(terms(X)) -> mark#(X) -> mark#(recip(X)) -> active#(recip(mark(X))) mark#(terms(X)) -> mark#(X) -> mark#(recip(X)) -> recip#(mark(X)) mark#(terms(X)) -> mark#(X) -> mark#(recip(X)) -> mark#(X) mark#(terms(X)) -> mark#(X) -> mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) mark#(terms(X)) -> mark#(X) -> mark#(cons(X1,X2)) -> cons#(mark(X1),X2) mark#(terms(X)) -> mark#(X) -> mark#(cons(X1,X2)) -> mark#(X1) mark#(terms(X)) -> mark#(X) -> mark#(terms(X)) -> active#(terms(mark(X))) mark#(terms(X)) -> mark#(X) -> mark#(terms(X)) -> terms#(mark(X)) mark#(terms(X)) -> mark#(X) -> mark#(terms(X)) -> mark#(X) mark#(terms(X)) -> terms#(mark(X)) -> terms#(active(X)) -> terms#(X) mark#(terms(X)) -> terms#(mark(X)) -> terms#(mark(X)) -> terms#(X) mark#(terms(X)) -> active#(terms(mark(X))) -> active#(first(s(X),cons(Y,Z))) -> mark#(cons(Y,first(X,Z))) mark#(terms(X)) -> active#(terms(mark(X))) -> active#(first(s(X),cons(Y,Z))) -> cons#(Y,first(X,Z)) mark#(terms(X)) -> active#(terms(mark(X))) -> active#(first(s(X),cons(Y,Z))) -> first#(X,Z) mark#(terms(X)) -> active#(terms(mark(X))) -> active#(first(0(),X)) -> mark#(nil()) mark#(terms(X)) -> active#(terms(mark(X))) -> active#(add(s(X),Y)) -> mark#(s(add(X,Y))) mark#(terms(X)) -> active#(terms(mark(X))) -> active#(add(s(X),Y)) -> s#(add(X,Y)) mark#(terms(X)) -> active#(terms(mark(X))) -> active#(add(s(X),Y)) -> add#(X,Y) mark#(terms(X)) -> active#(terms(mark(X))) -> active#(add(0(),X)) -> mark#(X) mark#(terms(X)) -> active#(terms(mark(X))) -> active#(dbl(s(X))) -> mark#(s(s(dbl(X)))) mark#(terms(X)) -> active#(terms(mark(X))) -> active#(dbl(s(X))) -> s#(s(dbl(X))) mark#(terms(X)) -> active#(terms(mark(X))) -> active#(dbl(s(X))) -> s#(dbl(X)) mark#(terms(X)) -> active#(terms(mark(X))) -> active#(dbl(s(X))) -> dbl#(X) mark#(terms(X)) -> active#(terms(mark(X))) -> active#(dbl(0())) -> mark#(0()) mark#(terms(X)) -> active#(terms(mark(X))) -> active#(sqr(s(X))) -> mark#(s(add(sqr(X),dbl(X)))) mark#(terms(X)) -> active#(terms(mark(X))) -> active#(sqr(s(X))) -> s#(add(sqr(X),dbl(X))) mark#(terms(X)) -> active#(terms(mark(X))) -> active#(sqr(s(X))) -> add#(sqr(X),dbl(X)) mark#(terms(X)) -> active#(terms(mark(X))) -> active#(sqr(s(X))) -> sqr#(X) mark#(terms(X)) -> active#(terms(mark(X))) -> active#(sqr(s(X))) -> dbl#(X) mark#(terms(X)) -> active#(terms(mark(X))) -> active#(sqr(0())) -> mark#(0()) mark#(terms(X)) -> active#(terms(mark(X))) -> active#(terms(N)) -> mark#(cons(recip(sqr(N)),terms(s(N)))) mark#(terms(X)) -> active#(terms(mark(X))) -> active#(terms(N)) -> cons#(recip(sqr(N)),terms(s(N))) mark#(terms(X)) -> active#(terms(mark(X))) -> active#(terms(N)) -> recip#(sqr(N)) mark#(terms(X)) -> active#(terms(mark(X))) -> active#(terms(N)) -> sqr#(N) mark#(terms(X)) -> active#(terms(mark(X))) -> active#(terms(N)) -> terms#(s(N)) mark#(terms(X)) -> active#(terms(mark(X))) -> active#(terms(N)) -> s#(N) cons#(mark(X1),X2) -> cons#(X1,X2) -> cons#(X1,active(X2)) -> cons#(X1,X2) cons#(mark(X1),X2) -> cons#(X1,X2) -> cons#(active(X1),X2) -> cons#(X1,X2) cons#(mark(X1),X2) -> cons#(X1,X2) -> cons#(X1,mark(X2)) -> cons#(X1,X2) cons#(mark(X1),X2) -> cons#(X1,X2) -> cons#(mark(X1),X2) -> cons#(X1,X2) cons#(active(X1),X2) -> cons#(X1,X2) -> cons#(X1,active(X2)) -> cons#(X1,X2) cons#(active(X1),X2) -> cons#(X1,X2) -> cons#(active(X1),X2) -> cons#(X1,X2) cons#(active(X1),X2) -> cons#(X1,X2) -> cons#(X1,mark(X2)) -> cons#(X1,X2) cons#(active(X1),X2) -> cons#(X1,X2) -> cons#(mark(X1),X2) -> cons#(X1,X2) cons#(X1,mark(X2)) -> cons#(X1,X2) -> cons#(X1,active(X2)) -> cons#(X1,X2) cons#(X1,mark(X2)) -> cons#(X1,X2) -> cons#(active(X1),X2) -> cons#(X1,X2) cons#(X1,mark(X2)) -> cons#(X1,X2) -> cons#(X1,mark(X2)) -> cons#(X1,X2) cons#(X1,mark(X2)) -> cons#(X1,X2) -> cons#(mark(X1),X2) -> cons#(X1,X2) cons#(X1,active(X2)) -> cons#(X1,X2) -> cons#(X1,active(X2)) -> cons#(X1,X2) cons#(X1,active(X2)) -> cons#(X1,X2) -> cons#(active(X1),X2) -> cons#(X1,X2) cons#(X1,active(X2)) -> cons#(X1,X2) -> cons#(X1,mark(X2)) -> cons#(X1,X2) cons#(X1,active(X2)) -> cons#(X1,X2) -> cons#(mark(X1),X2) -> cons#(X1,X2) recip#(mark(X)) -> recip#(X) -> recip#(active(X)) -> recip#(X) recip#(mark(X)) -> recip#(X) -> recip#(mark(X)) -> recip#(X) recip#(active(X)) -> recip#(X) -> recip#(active(X)) -> recip#(X) recip#(active(X)) -> recip#(X) -> recip#(mark(X)) -> recip#(X) sqr#(mark(X)) -> sqr#(X) -> sqr#(active(X)) -> sqr#(X) sqr#(mark(X)) -> sqr#(X) -> sqr#(mark(X)) -> sqr#(X) sqr#(active(X)) -> sqr#(X) -> sqr#(active(X)) -> sqr#(X) sqr#(active(X)) -> sqr#(X) -> sqr#(mark(X)) -> sqr#(X) terms#(mark(X)) -> terms#(X) -> terms#(active(X)) -> terms#(X) terms#(mark(X)) -> terms#(X) -> terms#(mark(X)) -> terms#(X) terms#(active(X)) -> terms#(X) -> terms#(active(X)) -> terms#(X) terms#(active(X)) -> terms#(X) -> terms#(mark(X)) -> terms#(X) s#(mark(X)) -> s#(X) -> s#(active(X)) -> s#(X) s#(mark(X)) -> s#(X) -> s#(mark(X)) -> s#(X) s#(active(X)) -> s#(X) -> s#(active(X)) -> s#(X) s#(active(X)) -> s#(X) -> s#(mark(X)) -> s#(X) active#(first(0(),X)) -> mark#(nil()) -> mark#(nil()) -> active#(nil()) active#(first(0(),X)) -> mark#(nil()) -> mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) active#(first(0(),X)) -> mark#(nil()) -> mark#(first(X1,X2)) -> first#(mark(X1),mark(X2)) active#(first(0(),X)) -> mark#(nil()) -> mark#(first(X1,X2)) -> mark#(X1) active#(first(0(),X)) -> mark#(nil()) -> mark#(first(X1,X2)) -> mark#(X2) active#(first(0(),X)) -> mark#(nil()) -> mark#(dbl(X)) -> active#(dbl(mark(X))) active#(first(0(),X)) -> mark#(nil()) -> mark#(dbl(X)) -> dbl#(mark(X)) active#(first(0(),X)) -> mark#(nil()) -> mark#(dbl(X)) -> mark#(X) active#(first(0(),X)) -> mark#(nil()) -> mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) active#(first(0(),X)) -> mark#(nil()) -> mark#(add(X1,X2)) -> add#(mark(X1),mark(X2)) active#(first(0(),X)) -> mark#(nil()) -> mark#(add(X1,X2)) -> mark#(X1) active#(first(0(),X)) -> mark#(nil()) -> mark#(add(X1,X2)) -> mark#(X2) active#(first(0(),X)) -> mark#(nil()) -> mark#(0()) -> active#(0()) active#(first(0(),X)) -> mark#(nil()) -> mark#(s(X)) -> active#(s(X)) active#(first(0(),X)) -> mark#(nil()) -> mark#(sqr(X)) -> active#(sqr(mark(X))) active#(first(0(),X)) -> mark#(nil()) -> mark#(sqr(X)) -> sqr#(mark(X)) active#(first(0(),X)) -> mark#(nil()) -> mark#(sqr(X)) -> mark#(X) active#(first(0(),X)) -> mark#(nil()) -> mark#(recip(X)) -> active#(recip(mark(X))) active#(first(0(),X)) -> mark#(nil()) -> mark#(recip(X)) -> recip#(mark(X)) active#(first(0(),X)) -> mark#(nil()) -> mark#(recip(X)) -> mark#(X) active#(first(0(),X)) -> mark#(nil()) -> mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) active#(first(0(),X)) -> mark#(nil()) -> mark#(cons(X1,X2)) -> cons#(mark(X1),X2) active#(first(0(),X)) -> mark#(nil()) -> mark#(cons(X1,X2)) -> mark#(X1) active#(first(0(),X)) -> mark#(nil()) -> mark#(terms(X)) -> active#(terms(mark(X))) active#(first(0(),X)) -> mark#(nil()) -> mark#(terms(X)) -> terms#(mark(X)) active#(first(0(),X)) -> mark#(nil()) -> mark#(terms(X)) -> mark#(X) active#(first(s(X),cons(Y,Z))) -> first#(X,Z) -> first#(X1,active(X2)) -> first#(X1,X2) active#(first(s(X),cons(Y,Z))) -> first#(X,Z) -> first#(active(X1),X2) -> first#(X1,X2) active#(first(s(X),cons(Y,Z))) -> first#(X,Z) -> first#(X1,mark(X2)) -> first#(X1,X2) active#(first(s(X),cons(Y,Z))) -> first#(X,Z) -> first#(mark(X1),X2) -> first#(X1,X2) active#(first(s(X),cons(Y,Z))) -> mark#(cons(Y,first(X,Z))) -> mark#(nil()) -> active#(nil()) active#(first(s(X),cons(Y,Z))) -> mark#(cons(Y,first(X,Z))) -> mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) active#(first(s(X),cons(Y,Z))) -> mark#(cons(Y,first(X,Z))) -> mark#(first(X1,X2)) -> first#(mark(X1),mark(X2)) active#(first(s(X),cons(Y,Z))) -> mark#(cons(Y,first(X,Z))) -> mark#(first(X1,X2)) -> mark#(X1) active#(first(s(X),cons(Y,Z))) -> mark#(cons(Y,first(X,Z))) -> mark#(first(X1,X2)) -> mark#(X2) active#(first(s(X),cons(Y,Z))) -> mark#(cons(Y,first(X,Z))) -> mark#(dbl(X)) -> active#(dbl(mark(X))) active#(first(s(X),cons(Y,Z))) -> mark#(cons(Y,first(X,Z))) -> mark#(dbl(X)) -> dbl#(mark(X)) active#(first(s(X),cons(Y,Z))) -> mark#(cons(Y,first(X,Z))) -> mark#(dbl(X)) -> mark#(X) active#(first(s(X),cons(Y,Z))) -> mark#(cons(Y,first(X,Z))) -> mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) active#(first(s(X),cons(Y,Z))) -> mark#(cons(Y,first(X,Z))) -> mark#(add(X1,X2)) -> add#(mark(X1),mark(X2)) active#(first(s(X),cons(Y,Z))) -> mark#(cons(Y,first(X,Z))) -> mark#(add(X1,X2)) -> mark#(X1) active#(first(s(X),cons(Y,Z))) -> mark#(cons(Y,first(X,Z))) -> mark#(add(X1,X2)) -> mark#(X2) active#(first(s(X),cons(Y,Z))) -> mark#(cons(Y,first(X,Z))) -> mark#(0()) -> active#(0()) active#(first(s(X),cons(Y,Z))) -> mark#(cons(Y,first(X,Z))) -> mark#(s(X)) -> active#(s(X)) active#(first(s(X),cons(Y,Z))) -> mark#(cons(Y,first(X,Z))) -> mark#(sqr(X)) -> active#(sqr(mark(X))) active#(first(s(X),cons(Y,Z))) -> mark#(cons(Y,first(X,Z))) -> mark#(sqr(X)) -> sqr#(mark(X)) active#(first(s(X),cons(Y,Z))) -> mark#(cons(Y,first(X,Z))) -> mark#(sqr(X)) -> mark#(X) active#(first(s(X),cons(Y,Z))) -> mark#(cons(Y,first(X,Z))) -> mark#(recip(X)) -> active#(recip(mark(X))) active#(first(s(X),cons(Y,Z))) -> mark#(cons(Y,first(X,Z))) -> mark#(recip(X)) -> recip#(mark(X)) active#(first(s(X),cons(Y,Z))) -> mark#(cons(Y,first(X,Z))) -> mark#(recip(X)) -> mark#(X) active#(first(s(X),cons(Y,Z))) -> mark#(cons(Y,first(X,Z))) -> mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) active#(first(s(X),cons(Y,Z))) -> mark#(cons(Y,first(X,Z))) -> mark#(cons(X1,X2)) -> cons#(mark(X1),X2) active#(first(s(X),cons(Y,Z))) -> mark#(cons(Y,first(X,Z))) -> mark#(cons(X1,X2)) -> mark#(X1) active#(first(s(X),cons(Y,Z))) -> mark#(cons(Y,first(X,Z))) -> mark#(terms(X)) -> active#(terms(mark(X))) active#(first(s(X),cons(Y,Z))) -> mark#(cons(Y,first(X,Z))) -> mark#(terms(X)) -> terms#(mark(X)) active#(first(s(X),cons(Y,Z))) -> mark#(cons(Y,first(X,Z))) -> mark#(terms(X)) -> mark#(X) active#(first(s(X),cons(Y,Z))) -> cons#(Y,first(X,Z)) -> cons#(X1,active(X2)) -> cons#(X1,X2) active#(first(s(X),cons(Y,Z))) -> cons#(Y,first(X,Z)) -> cons#(active(X1),X2) -> cons#(X1,X2) active#(first(s(X),cons(Y,Z))) -> cons#(Y,first(X,Z)) -> cons#(X1,mark(X2)) -> cons#(X1,X2) active#(first(s(X),cons(Y,Z))) -> cons#(Y,first(X,Z)) -> cons#(mark(X1),X2) -> cons#(X1,X2) active#(add(0(),X)) -> mark#(X) -> mark#(nil()) -> active#(nil()) active#(add(0(),X)) -> mark#(X) -> mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) active#(add(0(),X)) -> mark#(X) -> mark#(first(X1,X2)) -> first#(mark(X1),mark(X2)) active#(add(0(),X)) -> mark#(X) -> mark#(first(X1,X2)) -> mark#(X1) active#(add(0(),X)) -> mark#(X) -> mark#(first(X1,X2)) -> mark#(X2) active#(add(0(),X)) -> mark#(X) -> mark#(dbl(X)) -> active#(dbl(mark(X))) active#(add(0(),X)) -> mark#(X) -> mark#(dbl(X)) -> dbl#(mark(X)) active#(add(0(),X)) -> mark#(X) -> mark#(dbl(X)) -> mark#(X) active#(add(0(),X)) -> mark#(X) -> mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) active#(add(0(),X)) -> mark#(X) -> mark#(add(X1,X2)) -> add#(mark(X1),mark(X2)) active#(add(0(),X)) -> mark#(X) -> mark#(add(X1,X2)) -> mark#(X1) active#(add(0(),X)) -> mark#(X) -> mark#(add(X1,X2)) -> mark#(X2) active#(add(0(),X)) -> mark#(X) -> mark#(0()) -> active#(0()) active#(add(0(),X)) -> mark#(X) -> mark#(s(X)) -> active#(s(X)) active#(add(0(),X)) -> mark#(X) -> mark#(sqr(X)) -> active#(sqr(mark(X))) active#(add(0(),X)) -> mark#(X) -> mark#(sqr(X)) -> sqr#(mark(X)) active#(add(0(),X)) -> mark#(X) -> mark#(sqr(X)) -> mark#(X) active#(add(0(),X)) -> mark#(X) -> mark#(recip(X)) -> active#(recip(mark(X))) active#(add(0(),X)) -> mark#(X) -> mark#(recip(X)) -> recip#(mark(X)) active#(add(0(),X)) -> mark#(X) -> mark#(recip(X)) -> mark#(X) active#(add(0(),X)) -> mark#(X) -> mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) active#(add(0(),X)) -> mark#(X) -> mark#(cons(X1,X2)) -> cons#(mark(X1),X2) active#(add(0(),X)) -> mark#(X) -> mark#(cons(X1,X2)) -> mark#(X1) active#(add(0(),X)) -> mark#(X) -> mark#(terms(X)) -> active#(terms(mark(X))) active#(add(0(),X)) -> mark#(X) -> mark#(terms(X)) -> terms#(mark(X)) active#(add(0(),X)) -> mark#(X) -> mark#(terms(X)) -> mark#(X) active#(add(s(X),Y)) -> add#(X,Y) -> add#(X1,active(X2)) -> add#(X1,X2) active#(add(s(X),Y)) -> add#(X,Y) -> add#(active(X1),X2) -> add#(X1,X2) active#(add(s(X),Y)) -> add#(X,Y) -> add#(X1,mark(X2)) -> add#(X1,X2) active#(add(s(X),Y)) -> add#(X,Y) -> add#(mark(X1),X2) -> add#(X1,X2) active#(add(s(X),Y)) -> mark#(s(add(X,Y))) -> mark#(nil()) -> active#(nil()) active#(add(s(X),Y)) -> mark#(s(add(X,Y))) -> mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) active#(add(s(X),Y)) -> mark#(s(add(X,Y))) -> mark#(first(X1,X2)) -> first#(mark(X1),mark(X2)) active#(add(s(X),Y)) -> mark#(s(add(X,Y))) -> mark#(first(X1,X2)) -> mark#(X1) active#(add(s(X),Y)) -> mark#(s(add(X,Y))) -> mark#(first(X1,X2)) -> mark#(X2) active#(add(s(X),Y)) -> mark#(s(add(X,Y))) -> mark#(dbl(X)) -> active#(dbl(mark(X))) active#(add(s(X),Y)) -> mark#(s(add(X,Y))) -> mark#(dbl(X)) -> dbl#(mark(X)) active#(add(s(X),Y)) -> mark#(s(add(X,Y))) -> mark#(dbl(X)) -> mark#(X) active#(add(s(X),Y)) -> mark#(s(add(X,Y))) -> mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) active#(add(s(X),Y)) -> mark#(s(add(X,Y))) -> mark#(add(X1,X2)) -> add#(mark(X1),mark(X2)) active#(add(s(X),Y)) -> mark#(s(add(X,Y))) -> mark#(add(X1,X2)) -> mark#(X1) active#(add(s(X),Y)) -> mark#(s(add(X,Y))) -> mark#(add(X1,X2)) -> mark#(X2) active#(add(s(X),Y)) -> mark#(s(add(X,Y))) -> mark#(0()) -> active#(0()) active#(add(s(X),Y)) -> mark#(s(add(X,Y))) -> mark#(s(X)) -> active#(s(X)) active#(add(s(X),Y)) -> mark#(s(add(X,Y))) -> mark#(sqr(X)) -> active#(sqr(mark(X))) active#(add(s(X),Y)) -> mark#(s(add(X,Y))) -> mark#(sqr(X)) -> sqr#(mark(X)) active#(add(s(X),Y)) -> mark#(s(add(X,Y))) -> mark#(sqr(X)) -> mark#(X) active#(add(s(X),Y)) -> mark#(s(add(X,Y))) -> mark#(recip(X)) -> active#(recip(mark(X))) active#(add(s(X),Y)) -> mark#(s(add(X,Y))) -> mark#(recip(X)) -> recip#(mark(X)) active#(add(s(X),Y)) -> mark#(s(add(X,Y))) -> mark#(recip(X)) -> mark#(X) active#(add(s(X),Y)) -> mark#(s(add(X,Y))) -> mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) active#(add(s(X),Y)) -> mark#(s(add(X,Y))) -> mark#(cons(X1,X2)) -> cons#(mark(X1),X2) active#(add(s(X),Y)) -> mark#(s(add(X,Y))) -> mark#(cons(X1,X2)) -> mark#(X1) active#(add(s(X),Y)) -> mark#(s(add(X,Y))) -> mark#(terms(X)) -> active#(terms(mark(X))) active#(add(s(X),Y)) -> mark#(s(add(X,Y))) -> mark#(terms(X)) -> terms#(mark(X)) active#(add(s(X),Y)) -> mark#(s(add(X,Y))) -> mark#(terms(X)) -> mark#(X) active#(add(s(X),Y)) -> s#(add(X,Y)) -> s#(active(X)) -> s#(X) active#(add(s(X),Y)) -> s#(add(X,Y)) -> s#(mark(X)) -> s#(X) active#(dbl(0())) -> mark#(0()) -> mark#(nil()) -> active#(nil()) active#(dbl(0())) -> mark#(0()) -> mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) active#(dbl(0())) -> mark#(0()) -> mark#(first(X1,X2)) -> first#(mark(X1),mark(X2)) active#(dbl(0())) -> mark#(0()) -> mark#(first(X1,X2)) -> mark#(X1) active#(dbl(0())) -> mark#(0()) -> mark#(first(X1,X2)) -> mark#(X2) active#(dbl(0())) -> mark#(0()) -> mark#(dbl(X)) -> active#(dbl(mark(X))) active#(dbl(0())) -> mark#(0()) -> mark#(dbl(X)) -> dbl#(mark(X)) active#(dbl(0())) -> mark#(0()) -> mark#(dbl(X)) -> mark#(X) active#(dbl(0())) -> mark#(0()) -> mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) active#(dbl(0())) -> mark#(0()) -> mark#(add(X1,X2)) -> add#(mark(X1),mark(X2)) active#(dbl(0())) -> mark#(0()) -> mark#(add(X1,X2)) -> mark#(X1) active#(dbl(0())) -> mark#(0()) -> mark#(add(X1,X2)) -> mark#(X2) active#(dbl(0())) -> mark#(0()) -> mark#(0()) -> active#(0()) active#(dbl(0())) -> mark#(0()) -> mark#(s(X)) -> active#(s(X)) active#(dbl(0())) -> mark#(0()) -> mark#(sqr(X)) -> active#(sqr(mark(X))) active#(dbl(0())) -> mark#(0()) -> mark#(sqr(X)) -> sqr#(mark(X)) active#(dbl(0())) -> mark#(0()) -> mark#(sqr(X)) -> mark#(X) active#(dbl(0())) -> mark#(0()) -> mark#(recip(X)) -> active#(recip(mark(X))) active#(dbl(0())) -> mark#(0()) -> mark#(recip(X)) -> recip#(mark(X)) active#(dbl(0())) -> mark#(0()) -> mark#(recip(X)) -> mark#(X) active#(dbl(0())) -> mark#(0()) -> mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) active#(dbl(0())) -> mark#(0()) -> mark#(cons(X1,X2)) -> cons#(mark(X1),X2) active#(dbl(0())) -> mark#(0()) -> mark#(cons(X1,X2)) -> mark#(X1) active#(dbl(0())) -> mark#(0()) -> mark#(terms(X)) -> active#(terms(mark(X))) active#(dbl(0())) -> mark#(0()) -> mark#(terms(X)) -> terms#(mark(X)) active#(dbl(0())) -> mark#(0()) -> mark#(terms(X)) -> mark#(X) active#(dbl(s(X))) -> dbl#(X) -> dbl#(active(X)) -> dbl#(X) active#(dbl(s(X))) -> dbl#(X) -> dbl#(mark(X)) -> dbl#(X) active#(dbl(s(X))) -> mark#(s(s(dbl(X)))) -> mark#(nil()) -> active#(nil()) active#(dbl(s(X))) -> mark#(s(s(dbl(X)))) -> mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) active#(dbl(s(X))) -> mark#(s(s(dbl(X)))) -> mark#(first(X1,X2)) -> first#(mark(X1),mark(X2)) active#(dbl(s(X))) -> mark#(s(s(dbl(X)))) -> mark#(first(X1,X2)) -> mark#(X1) active#(dbl(s(X))) -> mark#(s(s(dbl(X)))) -> mark#(first(X1,X2)) -> mark#(X2) active#(dbl(s(X))) -> mark#(s(s(dbl(X)))) -> mark#(dbl(X)) -> active#(dbl(mark(X))) active#(dbl(s(X))) -> mark#(s(s(dbl(X)))) -> mark#(dbl(X)) -> dbl#(mark(X)) active#(dbl(s(X))) -> mark#(s(s(dbl(X)))) -> mark#(dbl(X)) -> mark#(X) active#(dbl(s(X))) -> mark#(s(s(dbl(X)))) -> mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) active#(dbl(s(X))) -> mark#(s(s(dbl(X)))) -> mark#(add(X1,X2)) -> add#(mark(X1),mark(X2)) active#(dbl(s(X))) -> mark#(s(s(dbl(X)))) -> mark#(add(X1,X2)) -> mark#(X1) active#(dbl(s(X))) -> mark#(s(s(dbl(X)))) -> mark#(add(X1,X2)) -> mark#(X2) active#(dbl(s(X))) -> mark#(s(s(dbl(X)))) -> mark#(0()) -> active#(0()) active#(dbl(s(X))) -> mark#(s(s(dbl(X)))) -> mark#(s(X)) -> active#(s(X)) active#(dbl(s(X))) -> mark#(s(s(dbl(X)))) -> mark#(sqr(X)) -> active#(sqr(mark(X))) active#(dbl(s(X))) -> mark#(s(s(dbl(X)))) -> mark#(sqr(X)) -> sqr#(mark(X)) active#(dbl(s(X))) -> mark#(s(s(dbl(X)))) -> mark#(sqr(X)) -> mark#(X) active#(dbl(s(X))) -> mark#(s(s(dbl(X)))) -> mark#(recip(X)) -> active#(recip(mark(X))) active#(dbl(s(X))) -> mark#(s(s(dbl(X)))) -> mark#(recip(X)) -> recip#(mark(X)) active#(dbl(s(X))) -> mark#(s(s(dbl(X)))) -> mark#(recip(X)) -> mark#(X) active#(dbl(s(X))) -> mark#(s(s(dbl(X)))) -> mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) active#(dbl(s(X))) -> mark#(s(s(dbl(X)))) -> mark#(cons(X1,X2)) -> cons#(mark(X1),X2) active#(dbl(s(X))) -> mark#(s(s(dbl(X)))) -> mark#(cons(X1,X2)) -> mark#(X1) active#(dbl(s(X))) -> mark#(s(s(dbl(X)))) -> mark#(terms(X)) -> active#(terms(mark(X))) active#(dbl(s(X))) -> mark#(s(s(dbl(X)))) -> mark#(terms(X)) -> terms#(mark(X)) active#(dbl(s(X))) -> mark#(s(s(dbl(X)))) -> mark#(terms(X)) -> mark#(X) active#(dbl(s(X))) -> s#(dbl(X)) -> s#(active(X)) -> s#(X) active#(dbl(s(X))) -> s#(dbl(X)) -> s#(mark(X)) -> s#(X) active#(dbl(s(X))) -> s#(s(dbl(X))) -> s#(active(X)) -> s#(X) active#(dbl(s(X))) -> s#(s(dbl(X))) -> s#(mark(X)) -> s#(X) active#(sqr(0())) -> mark#(0()) -> mark#(nil()) -> active#(nil()) active#(sqr(0())) -> mark#(0()) -> mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) active#(sqr(0())) -> mark#(0()) -> mark#(first(X1,X2)) -> first#(mark(X1),mark(X2)) active#(sqr(0())) -> mark#(0()) -> mark#(first(X1,X2)) -> mark#(X1) active#(sqr(0())) -> mark#(0()) -> mark#(first(X1,X2)) -> mark#(X2) active#(sqr(0())) -> mark#(0()) -> mark#(dbl(X)) -> active#(dbl(mark(X))) active#(sqr(0())) -> mark#(0()) -> mark#(dbl(X)) -> dbl#(mark(X)) active#(sqr(0())) -> mark#(0()) -> mark#(dbl(X)) -> mark#(X) active#(sqr(0())) -> mark#(0()) -> mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) active#(sqr(0())) -> mark#(0()) -> mark#(add(X1,X2)) -> add#(mark(X1),mark(X2)) active#(sqr(0())) -> mark#(0()) -> mark#(add(X1,X2)) -> mark#(X1) active#(sqr(0())) -> mark#(0()) -> mark#(add(X1,X2)) -> mark#(X2) active#(sqr(0())) -> mark#(0()) -> mark#(0()) -> active#(0()) active#(sqr(0())) -> mark#(0()) -> mark#(s(X)) -> active#(s(X)) active#(sqr(0())) -> mark#(0()) -> mark#(sqr(X)) -> active#(sqr(mark(X))) active#(sqr(0())) -> mark#(0()) -> mark#(sqr(X)) -> sqr#(mark(X)) active#(sqr(0())) -> mark#(0()) -> mark#(sqr(X)) -> mark#(X) active#(sqr(0())) -> mark#(0()) -> mark#(recip(X)) -> active#(recip(mark(X))) active#(sqr(0())) -> mark#(0()) -> mark#(recip(X)) -> recip#(mark(X)) active#(sqr(0())) -> mark#(0()) -> mark#(recip(X)) -> mark#(X) active#(sqr(0())) -> mark#(0()) -> mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) active#(sqr(0())) -> mark#(0()) -> mark#(cons(X1,X2)) -> cons#(mark(X1),X2) active#(sqr(0())) -> mark#(0()) -> mark#(cons(X1,X2)) -> mark#(X1) active#(sqr(0())) -> mark#(0()) -> mark#(terms(X)) -> active#(terms(mark(X))) active#(sqr(0())) -> mark#(0()) -> mark#(terms(X)) -> terms#(mark(X)) active#(sqr(0())) -> mark#(0()) -> mark#(terms(X)) -> mark#(X) active#(sqr(s(X))) -> add#(sqr(X),dbl(X)) -> add#(X1,active(X2)) -> add#(X1,X2) active#(sqr(s(X))) -> add#(sqr(X),dbl(X)) -> add#(active(X1),X2) -> add#(X1,X2) active#(sqr(s(X))) -> add#(sqr(X),dbl(X)) -> add#(X1,mark(X2)) -> add#(X1,X2) active#(sqr(s(X))) -> add#(sqr(X),dbl(X)) -> add#(mark(X1),X2) -> add#(X1,X2) active#(sqr(s(X))) -> dbl#(X) -> dbl#(active(X)) -> dbl#(X) active#(sqr(s(X))) -> dbl#(X) -> dbl#(mark(X)) -> dbl#(X) active#(sqr(s(X))) -> mark#(s(add(sqr(X),dbl(X)))) -> mark#(nil()) -> active#(nil()) active#(sqr(s(X))) -> mark#(s(add(sqr(X),dbl(X)))) -> mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) active#(sqr(s(X))) -> mark#(s(add(sqr(X),dbl(X)))) -> mark#(first(X1,X2)) -> first#(mark(X1),mark(X2)) active#(sqr(s(X))) -> mark#(s(add(sqr(X),dbl(X)))) -> mark#(first(X1,X2)) -> mark#(X1) active#(sqr(s(X))) -> mark#(s(add(sqr(X),dbl(X)))) -> mark#(first(X1,X2)) -> mark#(X2) active#(sqr(s(X))) -> mark#(s(add(sqr(X),dbl(X)))) -> mark#(dbl(X)) -> active#(dbl(mark(X))) active#(sqr(s(X))) -> mark#(s(add(sqr(X),dbl(X)))) -> mark#(dbl(X)) -> dbl#(mark(X)) active#(sqr(s(X))) -> mark#(s(add(sqr(X),dbl(X)))) -> mark#(dbl(X)) -> mark#(X) active#(sqr(s(X))) -> mark#(s(add(sqr(X),dbl(X)))) -> mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) active#(sqr(s(X))) -> mark#(s(add(sqr(X),dbl(X)))) -> mark#(add(X1,X2)) -> add#(mark(X1),mark(X2)) active#(sqr(s(X))) -> mark#(s(add(sqr(X),dbl(X)))) -> mark#(add(X1,X2)) -> mark#(X1) active#(sqr(s(X))) -> mark#(s(add(sqr(X),dbl(X)))) -> mark#(add(X1,X2)) -> mark#(X2) active#(sqr(s(X))) -> mark#(s(add(sqr(X),dbl(X)))) -> mark#(0()) -> active#(0()) active#(sqr(s(X))) -> mark#(s(add(sqr(X),dbl(X)))) -> mark#(s(X)) -> active#(s(X)) active#(sqr(s(X))) -> mark#(s(add(sqr(X),dbl(X)))) -> mark#(sqr(X)) -> active#(sqr(mark(X))) active#(sqr(s(X))) -> mark#(s(add(sqr(X),dbl(X)))) -> mark#(sqr(X)) -> sqr#(mark(X)) active#(sqr(s(X))) -> mark#(s(add(sqr(X),dbl(X)))) -> mark#(sqr(X)) -> mark#(X) active#(sqr(s(X))) -> mark#(s(add(sqr(X),dbl(X)))) -> mark#(recip(X)) -> active#(recip(mark(X))) active#(sqr(s(X))) -> mark#(s(add(sqr(X),dbl(X)))) -> mark#(recip(X)) -> recip#(mark(X)) active#(sqr(s(X))) -> mark#(s(add(sqr(X),dbl(X)))) -> mark#(recip(X)) -> mark#(X) active#(sqr(s(X))) -> mark#(s(add(sqr(X),dbl(X)))) -> mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) active#(sqr(s(X))) -> mark#(s(add(sqr(X),dbl(X)))) -> mark#(cons(X1,X2)) -> cons#(mark(X1),X2) active#(sqr(s(X))) -> mark#(s(add(sqr(X),dbl(X)))) -> mark#(cons(X1,X2)) -> mark#(X1) active#(sqr(s(X))) -> mark#(s(add(sqr(X),dbl(X)))) -> mark#(terms(X)) -> active#(terms(mark(X))) active#(sqr(s(X))) -> mark#(s(add(sqr(X),dbl(X)))) -> mark#(terms(X)) -> terms#(mark(X)) active#(sqr(s(X))) -> mark#(s(add(sqr(X),dbl(X)))) -> mark#(terms(X)) -> mark#(X) active#(sqr(s(X))) -> sqr#(X) -> sqr#(active(X)) -> sqr#(X) active#(sqr(s(X))) -> sqr#(X) -> sqr#(mark(X)) -> sqr#(X) active#(sqr(s(X))) -> s#(add(sqr(X),dbl(X))) -> s#(active(X)) -> s#(X) active#(sqr(s(X))) -> s#(add(sqr(X),dbl(X))) -> s#(mark(X)) -> s#(X) active#(terms(N)) -> mark#(cons(recip(sqr(N)),terms(s(N)))) -> mark#(nil()) -> active#(nil()) active#(terms(N)) -> mark#(cons(recip(sqr(N)),terms(s(N)))) -> mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) active#(terms(N)) -> mark#(cons(recip(sqr(N)),terms(s(N)))) -> mark#(first(X1,X2)) -> first#(mark(X1),mark(X2)) active#(terms(N)) -> mark#(cons(recip(sqr(N)),terms(s(N)))) -> mark#(first(X1,X2)) -> mark#(X1) active#(terms(N)) -> mark#(cons(recip(sqr(N)),terms(s(N)))) -> mark#(first(X1,X2)) -> mark#(X2) active#(terms(N)) -> mark#(cons(recip(sqr(N)),terms(s(N)))) -> mark#(dbl(X)) -> active#(dbl(mark(X))) active#(terms(N)) -> mark#(cons(recip(sqr(N)),terms(s(N)))) -> mark#(dbl(X)) -> dbl#(mark(X)) active#(terms(N)) -> mark#(cons(recip(sqr(N)),terms(s(N)))) -> mark#(dbl(X)) -> mark#(X) active#(terms(N)) -> mark#(cons(recip(sqr(N)),terms(s(N)))) -> mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) active#(terms(N)) -> mark#(cons(recip(sqr(N)),terms(s(N)))) -> mark#(add(X1,X2)) -> add#(mark(X1),mark(X2)) active#(terms(N)) -> mark#(cons(recip(sqr(N)),terms(s(N)))) -> mark#(add(X1,X2)) -> mark#(X1) active#(terms(N)) -> mark#(cons(recip(sqr(N)),terms(s(N)))) -> mark#(add(X1,X2)) -> mark#(X2) active#(terms(N)) -> mark#(cons(recip(sqr(N)),terms(s(N)))) -> mark#(0()) -> active#(0()) active#(terms(N)) -> mark#(cons(recip(sqr(N)),terms(s(N)))) -> mark#(s(X)) -> active#(s(X)) active#(terms(N)) -> mark#(cons(recip(sqr(N)),terms(s(N)))) -> mark#(sqr(X)) -> active#(sqr(mark(X))) active#(terms(N)) -> mark#(cons(recip(sqr(N)),terms(s(N)))) -> mark#(sqr(X)) -> sqr#(mark(X)) active#(terms(N)) -> mark#(cons(recip(sqr(N)),terms(s(N)))) -> mark#(sqr(X)) -> mark#(X) active#(terms(N)) -> mark#(cons(recip(sqr(N)),terms(s(N)))) -> mark#(recip(X)) -> active#(recip(mark(X))) active#(terms(N)) -> mark#(cons(recip(sqr(N)),terms(s(N)))) -> mark#(recip(X)) -> recip#(mark(X)) active#(terms(N)) -> mark#(cons(recip(sqr(N)),terms(s(N)))) -> mark#(recip(X)) -> mark#(X) active#(terms(N)) -> mark#(cons(recip(sqr(N)),terms(s(N)))) -> mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) active#(terms(N)) -> mark#(cons(recip(sqr(N)),terms(s(N)))) -> mark#(cons(X1,X2)) -> cons#(mark(X1),X2) active#(terms(N)) -> mark#(cons(recip(sqr(N)),terms(s(N)))) -> mark#(cons(X1,X2)) -> mark#(X1) active#(terms(N)) -> mark#(cons(recip(sqr(N)),terms(s(N)))) -> mark#(terms(X)) -> active#(terms(mark(X))) active#(terms(N)) -> mark#(cons(recip(sqr(N)),terms(s(N)))) -> mark#(terms(X)) -> terms#(mark(X)) active#(terms(N)) -> mark#(cons(recip(sqr(N)),terms(s(N)))) -> mark#(terms(X)) -> mark#(X) active#(terms(N)) -> cons#(recip(sqr(N)),terms(s(N))) -> cons#(X1,active(X2)) -> cons#(X1,X2) active#(terms(N)) -> cons#(recip(sqr(N)),terms(s(N))) -> cons#(active(X1),X2) -> cons#(X1,X2) active#(terms(N)) -> cons#(recip(sqr(N)),terms(s(N))) -> cons#(X1,mark(X2)) -> cons#(X1,X2) active#(terms(N)) -> cons#(recip(sqr(N)),terms(s(N))) -> cons#(mark(X1),X2) -> cons#(X1,X2) active#(terms(N)) -> recip#(sqr(N)) -> recip#(active(X)) -> recip#(X) active#(terms(N)) -> recip#(sqr(N)) -> recip#(mark(X)) -> recip#(X) active#(terms(N)) -> sqr#(N) -> sqr#(active(X)) -> sqr#(X) active#(terms(N)) -> sqr#(N) -> sqr#(mark(X)) -> sqr#(X) active#(terms(N)) -> terms#(s(N)) -> terms#(active(X)) -> terms#(X) active#(terms(N)) -> terms#(s(N)) -> terms#(mark(X)) -> terms#(X) active#(terms(N)) -> s#(N) -> s#(active(X)) -> s#(X) active#(terms(N)) -> s#(N) -> s#(mark(X)) -> s#(X) SCC Processor: #sccs: 9 #rules: 50 #arcs: 848/5329 DPs: mark#(nil()) -> active#(nil()) active#(terms(N)) -> mark#(cons(recip(sqr(N)),terms(s(N)))) mark#(terms(X)) -> mark#(X) mark#(terms(X)) -> active#(terms(mark(X))) active#(sqr(0())) -> mark#(0()) mark#(cons(X1,X2)) -> mark#(X1) mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) active#(sqr(s(X))) -> mark#(s(add(sqr(X),dbl(X)))) mark#(recip(X)) -> mark#(X) mark#(recip(X)) -> active#(recip(mark(X))) active#(dbl(0())) -> mark#(0()) mark#(sqr(X)) -> mark#(X) mark#(sqr(X)) -> active#(sqr(mark(X))) active#(dbl(s(X))) -> mark#(s(s(dbl(X)))) mark#(s(X)) -> active#(s(X)) active#(add(0(),X)) -> mark#(X) mark#(0()) -> active#(0()) active#(add(s(X),Y)) -> mark#(s(add(X,Y))) mark#(add(X1,X2)) -> mark#(X2) mark#(add(X1,X2)) -> mark#(X1) mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) active#(first(0(),X)) -> mark#(nil()) mark#(dbl(X)) -> mark#(X) mark#(dbl(X)) -> active#(dbl(mark(X))) active#(first(s(X),cons(Y,Z))) -> mark#(cons(Y,first(X,Z))) mark#(first(X1,X2)) -> mark#(X2) mark#(first(X1,X2)) -> mark#(X1) mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) TRS: active(terms(N)) -> mark(cons(recip(sqr(N)),terms(s(N)))) active(sqr(0())) -> mark(0()) active(sqr(s(X))) -> mark(s(add(sqr(X),dbl(X)))) active(dbl(0())) -> mark(0()) active(dbl(s(X))) -> mark(s(s(dbl(X)))) active(add(0(),X)) -> mark(X) active(add(s(X),Y)) -> mark(s(add(X,Y))) active(first(0(),X)) -> mark(nil()) active(first(s(X),cons(Y,Z))) -> mark(cons(Y,first(X,Z))) mark(terms(X)) -> active(terms(mark(X))) mark(cons(X1,X2)) -> active(cons(mark(X1),X2)) mark(recip(X)) -> active(recip(mark(X))) mark(sqr(X)) -> active(sqr(mark(X))) mark(s(X)) -> active(s(X)) mark(0()) -> active(0()) mark(add(X1,X2)) -> active(add(mark(X1),mark(X2))) mark(dbl(X)) -> active(dbl(mark(X))) mark(first(X1,X2)) -> active(first(mark(X1),mark(X2))) mark(nil()) -> active(nil()) terms(mark(X)) -> terms(X) terms(active(X)) -> terms(X) cons(mark(X1),X2) -> cons(X1,X2) cons(X1,mark(X2)) -> cons(X1,X2) cons(active(X1),X2) -> cons(X1,X2) cons(X1,active(X2)) -> cons(X1,X2) recip(mark(X)) -> recip(X) recip(active(X)) -> recip(X) sqr(mark(X)) -> sqr(X) sqr(active(X)) -> sqr(X) s(mark(X)) -> s(X) s(active(X)) -> s(X) add(mark(X1),X2) -> add(X1,X2) add(X1,mark(X2)) -> add(X1,X2) add(active(X1),X2) -> add(X1,X2) add(X1,active(X2)) -> add(X1,X2) dbl(mark(X)) -> dbl(X) dbl(active(X)) -> dbl(X) first(mark(X1),X2) -> first(X1,X2) first(X1,mark(X2)) -> first(X1,X2) first(active(X1),X2) -> first(X1,X2) first(X1,active(X2)) -> first(X1,X2) EDG Processor: DPs: mark#(nil()) -> active#(nil()) active#(terms(N)) -> mark#(cons(recip(sqr(N)),terms(s(N)))) mark#(terms(X)) -> mark#(X) mark#(terms(X)) -> active#(terms(mark(X))) active#(sqr(0())) -> mark#(0()) mark#(cons(X1,X2)) -> mark#(X1) mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) active#(sqr(s(X))) -> mark#(s(add(sqr(X),dbl(X)))) mark#(recip(X)) -> mark#(X) mark#(recip(X)) -> active#(recip(mark(X))) active#(dbl(0())) -> mark#(0()) mark#(sqr(X)) -> mark#(X) mark#(sqr(X)) -> active#(sqr(mark(X))) active#(dbl(s(X))) -> mark#(s(s(dbl(X)))) mark#(s(X)) -> active#(s(X)) active#(add(0(),X)) -> mark#(X) mark#(0()) -> active#(0()) active#(add(s(X),Y)) -> mark#(s(add(X,Y))) mark#(add(X1,X2)) -> mark#(X2) mark#(add(X1,X2)) -> mark#(X1) mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) active#(first(0(),X)) -> mark#(nil()) mark#(dbl(X)) -> mark#(X) mark#(dbl(X)) -> active#(dbl(mark(X))) active#(first(s(X),cons(Y,Z))) -> mark#(cons(Y,first(X,Z))) mark#(first(X1,X2)) -> mark#(X2) mark#(first(X1,X2)) -> mark#(X1) mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) TRS: active(terms(N)) -> mark(cons(recip(sqr(N)),terms(s(N)))) active(sqr(0())) -> mark(0()) active(sqr(s(X))) -> mark(s(add(sqr(X),dbl(X)))) active(dbl(0())) -> mark(0()) active(dbl(s(X))) -> mark(s(s(dbl(X)))) active(add(0(),X)) -> mark(X) active(add(s(X),Y)) -> mark(s(add(X,Y))) active(first(0(),X)) -> mark(nil()) active(first(s(X),cons(Y,Z))) -> mark(cons(Y,first(X,Z))) mark(terms(X)) -> active(terms(mark(X))) mark(cons(X1,X2)) -> active(cons(mark(X1),X2)) mark(recip(X)) -> active(recip(mark(X))) mark(sqr(X)) -> active(sqr(mark(X))) mark(s(X)) -> active(s(X)) mark(0()) -> active(0()) mark(add(X1,X2)) -> active(add(mark(X1),mark(X2))) mark(dbl(X)) -> active(dbl(mark(X))) mark(first(X1,X2)) -> active(first(mark(X1),mark(X2))) mark(nil()) -> active(nil()) terms(mark(X)) -> terms(X) terms(active(X)) -> terms(X) cons(mark(X1),X2) -> cons(X1,X2) cons(X1,mark(X2)) -> cons(X1,X2) cons(active(X1),X2) -> cons(X1,X2) cons(X1,active(X2)) -> cons(X1,X2) recip(mark(X)) -> recip(X) recip(active(X)) -> recip(X) sqr(mark(X)) -> sqr(X) sqr(active(X)) -> sqr(X) s(mark(X)) -> s(X) s(active(X)) -> s(X) add(mark(X1),X2) -> add(X1,X2) add(X1,mark(X2)) -> add(X1,X2) add(active(X1),X2) -> add(X1,X2) add(X1,active(X2)) -> add(X1,X2) dbl(mark(X)) -> dbl(X) dbl(active(X)) -> dbl(X) first(mark(X1),X2) -> first(X1,X2) first(X1,mark(X2)) -> first(X1,X2) first(active(X1),X2) -> first(X1,X2) first(X1,active(X2)) -> first(X1,X2) graph: mark#(first(X1,X2)) -> mark#(X2) -> mark#(terms(X)) -> mark#(X) mark#(first(X1,X2)) -> mark#(X2) -> mark#(terms(X)) -> active#(terms(mark(X))) mark#(first(X1,X2)) -> mark#(X2) -> mark#(cons(X1,X2)) -> mark#(X1) mark#(first(X1,X2)) -> mark#(X2) -> mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) mark#(first(X1,X2)) -> mark#(X2) -> mark#(recip(X)) -> mark#(X) mark#(first(X1,X2)) -> mark#(X2) -> mark#(recip(X)) -> active#(recip(mark(X))) mark#(first(X1,X2)) -> mark#(X2) -> mark#(sqr(X)) -> mark#(X) mark#(first(X1,X2)) -> mark#(X2) -> mark#(sqr(X)) -> active#(sqr(mark(X))) mark#(first(X1,X2)) -> mark#(X2) -> mark#(s(X)) -> active#(s(X)) mark#(first(X1,X2)) -> mark#(X2) -> mark#(0()) -> active#(0()) mark#(first(X1,X2)) -> mark#(X2) -> mark#(add(X1,X2)) -> mark#(X2) mark#(first(X1,X2)) -> mark#(X2) -> mark#(add(X1,X2)) -> mark#(X1) mark#(first(X1,X2)) -> mark#(X2) -> mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) mark#(first(X1,X2)) -> mark#(X2) -> mark#(dbl(X)) -> mark#(X) mark#(first(X1,X2)) -> mark#(X2) -> mark#(dbl(X)) -> active#(dbl(mark(X))) mark#(first(X1,X2)) -> mark#(X2) -> mark#(first(X1,X2)) -> mark#(X2) mark#(first(X1,X2)) -> mark#(X2) -> mark#(first(X1,X2)) -> mark#(X1) mark#(first(X1,X2)) -> mark#(X2) -> mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) mark#(first(X1,X2)) -> mark#(X2) -> mark#(nil()) -> active#(nil()) mark#(first(X1,X2)) -> mark#(X1) -> mark#(terms(X)) -> mark#(X) mark#(first(X1,X2)) -> mark#(X1) -> mark#(terms(X)) -> active#(terms(mark(X))) mark#(first(X1,X2)) -> mark#(X1) -> mark#(cons(X1,X2)) -> mark#(X1) mark#(first(X1,X2)) -> mark#(X1) -> mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) mark#(first(X1,X2)) -> mark#(X1) -> mark#(recip(X)) -> mark#(X) mark#(first(X1,X2)) -> mark#(X1) -> mark#(recip(X)) -> active#(recip(mark(X))) mark#(first(X1,X2)) -> mark#(X1) -> mark#(sqr(X)) -> mark#(X) mark#(first(X1,X2)) -> mark#(X1) -> mark#(sqr(X)) -> active#(sqr(mark(X))) mark#(first(X1,X2)) -> mark#(X1) -> mark#(s(X)) -> active#(s(X)) mark#(first(X1,X2)) -> mark#(X1) -> mark#(0()) -> active#(0()) mark#(first(X1,X2)) -> mark#(X1) -> mark#(add(X1,X2)) -> mark#(X2) mark#(first(X1,X2)) -> mark#(X1) -> mark#(add(X1,X2)) -> mark#(X1) mark#(first(X1,X2)) -> mark#(X1) -> mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) mark#(first(X1,X2)) -> mark#(X1) -> mark#(dbl(X)) -> mark#(X) mark#(first(X1,X2)) -> mark#(X1) -> mark#(dbl(X)) -> active#(dbl(mark(X))) mark#(first(X1,X2)) -> mark#(X1) -> mark#(first(X1,X2)) -> mark#(X2) mark#(first(X1,X2)) -> mark#(X1) -> mark#(first(X1,X2)) -> mark#(X1) mark#(first(X1,X2)) -> mark#(X1) -> mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) mark#(first(X1,X2)) -> mark#(X1) -> mark#(nil()) -> active#(nil()) mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) -> active#(first(0(),X)) -> mark#(nil()) mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) -> active#(first(s(X),cons(Y,Z))) -> mark#(cons(Y,first(X,Z))) mark#(add(X1,X2)) -> mark#(X2) -> mark#(terms(X)) -> mark#(X) mark#(add(X1,X2)) -> mark#(X2) -> mark#(terms(X)) -> active#(terms(mark(X))) mark#(add(X1,X2)) -> mark#(X2) -> mark#(cons(X1,X2)) -> mark#(X1) mark#(add(X1,X2)) -> mark#(X2) -> mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) mark#(add(X1,X2)) -> mark#(X2) -> mark#(recip(X)) -> mark#(X) mark#(add(X1,X2)) -> mark#(X2) -> mark#(recip(X)) -> active#(recip(mark(X))) mark#(add(X1,X2)) -> mark#(X2) -> mark#(sqr(X)) -> mark#(X) mark#(add(X1,X2)) -> mark#(X2) -> mark#(sqr(X)) -> active#(sqr(mark(X))) mark#(add(X1,X2)) -> mark#(X2) -> mark#(s(X)) -> active#(s(X)) mark#(add(X1,X2)) -> mark#(X2) -> mark#(0()) -> active#(0()) mark#(add(X1,X2)) -> mark#(X2) -> mark#(add(X1,X2)) -> mark#(X2) mark#(add(X1,X2)) -> mark#(X2) -> mark#(add(X1,X2)) -> mark#(X1) mark#(add(X1,X2)) -> mark#(X2) -> mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) mark#(add(X1,X2)) -> mark#(X2) -> mark#(dbl(X)) -> mark#(X) mark#(add(X1,X2)) -> mark#(X2) -> mark#(dbl(X)) -> active#(dbl(mark(X))) mark#(add(X1,X2)) -> mark#(X2) -> mark#(first(X1,X2)) -> mark#(X2) mark#(add(X1,X2)) -> mark#(X2) -> mark#(first(X1,X2)) -> mark#(X1) mark#(add(X1,X2)) -> mark#(X2) -> mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) mark#(add(X1,X2)) -> mark#(X2) -> mark#(nil()) -> active#(nil()) mark#(add(X1,X2)) -> mark#(X1) -> mark#(terms(X)) -> mark#(X) mark#(add(X1,X2)) -> mark#(X1) -> mark#(terms(X)) -> active#(terms(mark(X))) mark#(add(X1,X2)) -> mark#(X1) -> mark#(cons(X1,X2)) -> mark#(X1) mark#(add(X1,X2)) -> mark#(X1) -> mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) mark#(add(X1,X2)) -> mark#(X1) -> mark#(recip(X)) -> mark#(X) mark#(add(X1,X2)) -> mark#(X1) -> mark#(recip(X)) -> active#(recip(mark(X))) mark#(add(X1,X2)) -> mark#(X1) -> mark#(sqr(X)) -> mark#(X) mark#(add(X1,X2)) -> mark#(X1) -> mark#(sqr(X)) -> active#(sqr(mark(X))) mark#(add(X1,X2)) -> mark#(X1) -> mark#(s(X)) -> active#(s(X)) mark#(add(X1,X2)) -> mark#(X1) -> mark#(0()) -> active#(0()) mark#(add(X1,X2)) -> mark#(X1) -> mark#(add(X1,X2)) -> mark#(X2) mark#(add(X1,X2)) -> mark#(X1) -> mark#(add(X1,X2)) -> mark#(X1) mark#(add(X1,X2)) -> mark#(X1) -> mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) mark#(add(X1,X2)) -> mark#(X1) -> mark#(dbl(X)) -> mark#(X) mark#(add(X1,X2)) -> mark#(X1) -> mark#(dbl(X)) -> active#(dbl(mark(X))) mark#(add(X1,X2)) -> mark#(X1) -> mark#(first(X1,X2)) -> mark#(X2) mark#(add(X1,X2)) -> mark#(X1) -> mark#(first(X1,X2)) -> mark#(X1) mark#(add(X1,X2)) -> mark#(X1) -> mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) mark#(add(X1,X2)) -> mark#(X1) -> mark#(nil()) -> active#(nil()) mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) -> active#(add(0(),X)) -> mark#(X) mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) -> active#(add(s(X),Y)) -> mark#(s(add(X,Y))) mark#(dbl(X)) -> mark#(X) -> mark#(terms(X)) -> mark#(X) mark#(dbl(X)) -> mark#(X) -> mark#(terms(X)) -> active#(terms(mark(X))) mark#(dbl(X)) -> mark#(X) -> mark#(cons(X1,X2)) -> mark#(X1) mark#(dbl(X)) -> mark#(X) -> mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) mark#(dbl(X)) -> mark#(X) -> mark#(recip(X)) -> mark#(X) mark#(dbl(X)) -> mark#(X) -> mark#(recip(X)) -> active#(recip(mark(X))) mark#(dbl(X)) -> mark#(X) -> mark#(sqr(X)) -> mark#(X) mark#(dbl(X)) -> mark#(X) -> mark#(sqr(X)) -> active#(sqr(mark(X))) mark#(dbl(X)) -> mark#(X) -> mark#(s(X)) -> active#(s(X)) mark#(dbl(X)) -> mark#(X) -> mark#(0()) -> active#(0()) mark#(dbl(X)) -> mark#(X) -> mark#(add(X1,X2)) -> mark#(X2) mark#(dbl(X)) -> mark#(X) -> mark#(add(X1,X2)) -> mark#(X1) mark#(dbl(X)) -> mark#(X) -> mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) mark#(dbl(X)) -> mark#(X) -> mark#(dbl(X)) -> mark#(X) mark#(dbl(X)) -> mark#(X) -> mark#(dbl(X)) -> active#(dbl(mark(X))) mark#(dbl(X)) -> mark#(X) -> mark#(first(X1,X2)) -> mark#(X2) mark#(dbl(X)) -> mark#(X) -> mark#(first(X1,X2)) -> mark#(X1) mark#(dbl(X)) -> mark#(X) -> mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) mark#(dbl(X)) -> mark#(X) -> mark#(nil()) -> active#(nil()) mark#(dbl(X)) -> active#(dbl(mark(X))) -> active#(dbl(0())) -> mark#(0()) mark#(dbl(X)) -> active#(dbl(mark(X))) -> active#(dbl(s(X))) -> mark#(s(s(dbl(X)))) mark#(cons(X1,X2)) -> mark#(X1) -> mark#(terms(X)) -> mark#(X) mark#(cons(X1,X2)) -> mark#(X1) -> mark#(terms(X)) -> active#(terms(mark(X))) mark#(cons(X1,X2)) -> mark#(X1) -> mark#(cons(X1,X2)) -> mark#(X1) mark#(cons(X1,X2)) -> mark#(X1) -> mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) mark#(cons(X1,X2)) -> mark#(X1) -> mark#(recip(X)) -> mark#(X) mark#(cons(X1,X2)) -> mark#(X1) -> mark#(recip(X)) -> active#(recip(mark(X))) mark#(cons(X1,X2)) -> mark#(X1) -> mark#(sqr(X)) -> mark#(X) mark#(cons(X1,X2)) -> mark#(X1) -> mark#(sqr(X)) -> active#(sqr(mark(X))) mark#(cons(X1,X2)) -> mark#(X1) -> mark#(s(X)) -> active#(s(X)) mark#(cons(X1,X2)) -> mark#(X1) -> mark#(0()) -> active#(0()) mark#(cons(X1,X2)) -> mark#(X1) -> mark#(add(X1,X2)) -> mark#(X2) mark#(cons(X1,X2)) -> mark#(X1) -> mark#(add(X1,X2)) -> mark#(X1) mark#(cons(X1,X2)) -> mark#(X1) -> mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) mark#(cons(X1,X2)) -> mark#(X1) -> mark#(dbl(X)) -> mark#(X) mark#(cons(X1,X2)) -> mark#(X1) -> mark#(dbl(X)) -> active#(dbl(mark(X))) mark#(cons(X1,X2)) -> mark#(X1) -> mark#(first(X1,X2)) -> mark#(X2) mark#(cons(X1,X2)) -> mark#(X1) -> mark#(first(X1,X2)) -> mark#(X1) mark#(cons(X1,X2)) -> mark#(X1) -> mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) mark#(cons(X1,X2)) -> mark#(X1) -> mark#(nil()) -> active#(nil()) mark#(recip(X)) -> mark#(X) -> mark#(terms(X)) -> mark#(X) mark#(recip(X)) -> mark#(X) -> mark#(terms(X)) -> active#(terms(mark(X))) mark#(recip(X)) -> mark#(X) -> mark#(cons(X1,X2)) -> mark#(X1) mark#(recip(X)) -> mark#(X) -> mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) mark#(recip(X)) -> mark#(X) -> mark#(recip(X)) -> mark#(X) mark#(recip(X)) -> mark#(X) -> mark#(recip(X)) -> active#(recip(mark(X))) mark#(recip(X)) -> mark#(X) -> mark#(sqr(X)) -> mark#(X) mark#(recip(X)) -> mark#(X) -> mark#(sqr(X)) -> active#(sqr(mark(X))) mark#(recip(X)) -> mark#(X) -> mark#(s(X)) -> active#(s(X)) mark#(recip(X)) -> mark#(X) -> mark#(0()) -> active#(0()) mark#(recip(X)) -> mark#(X) -> mark#(add(X1,X2)) -> mark#(X2) mark#(recip(X)) -> mark#(X) -> mark#(add(X1,X2)) -> mark#(X1) mark#(recip(X)) -> mark#(X) -> mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) mark#(recip(X)) -> mark#(X) -> mark#(dbl(X)) -> mark#(X) mark#(recip(X)) -> mark#(X) -> mark#(dbl(X)) -> active#(dbl(mark(X))) mark#(recip(X)) -> mark#(X) -> mark#(first(X1,X2)) -> mark#(X2) mark#(recip(X)) -> mark#(X) -> mark#(first(X1,X2)) -> mark#(X1) mark#(recip(X)) -> mark#(X) -> mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) mark#(recip(X)) -> mark#(X) -> mark#(nil()) -> active#(nil()) mark#(sqr(X)) -> mark#(X) -> mark#(terms(X)) -> mark#(X) mark#(sqr(X)) -> mark#(X) -> mark#(terms(X)) -> active#(terms(mark(X))) mark#(sqr(X)) -> mark#(X) -> mark#(cons(X1,X2)) -> mark#(X1) mark#(sqr(X)) -> mark#(X) -> mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) mark#(sqr(X)) -> mark#(X) -> mark#(recip(X)) -> mark#(X) mark#(sqr(X)) -> mark#(X) -> mark#(recip(X)) -> active#(recip(mark(X))) mark#(sqr(X)) -> mark#(X) -> mark#(sqr(X)) -> mark#(X) mark#(sqr(X)) -> mark#(X) -> mark#(sqr(X)) -> active#(sqr(mark(X))) mark#(sqr(X)) -> mark#(X) -> mark#(s(X)) -> active#(s(X)) mark#(sqr(X)) -> mark#(X) -> mark#(0()) -> active#(0()) mark#(sqr(X)) -> mark#(X) -> mark#(add(X1,X2)) -> mark#(X2) mark#(sqr(X)) -> mark#(X) -> mark#(add(X1,X2)) -> mark#(X1) mark#(sqr(X)) -> mark#(X) -> mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) mark#(sqr(X)) -> mark#(X) -> mark#(dbl(X)) -> mark#(X) mark#(sqr(X)) -> mark#(X) -> mark#(dbl(X)) -> active#(dbl(mark(X))) mark#(sqr(X)) -> mark#(X) -> mark#(first(X1,X2)) -> mark#(X2) mark#(sqr(X)) -> mark#(X) -> mark#(first(X1,X2)) -> mark#(X1) mark#(sqr(X)) -> mark#(X) -> mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) mark#(sqr(X)) -> mark#(X) -> mark#(nil()) -> active#(nil()) mark#(sqr(X)) -> active#(sqr(mark(X))) -> active#(sqr(0())) -> mark#(0()) mark#(sqr(X)) -> active#(sqr(mark(X))) -> active#(sqr(s(X))) -> mark#(s(add(sqr(X),dbl(X)))) mark#(terms(X)) -> mark#(X) -> mark#(terms(X)) -> mark#(X) mark#(terms(X)) -> mark#(X) -> mark#(terms(X)) -> active#(terms(mark(X))) mark#(terms(X)) -> mark#(X) -> mark#(cons(X1,X2)) -> mark#(X1) mark#(terms(X)) -> mark#(X) -> mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) mark#(terms(X)) -> mark#(X) -> mark#(recip(X)) -> mark#(X) mark#(terms(X)) -> mark#(X) -> mark#(recip(X)) -> active#(recip(mark(X))) mark#(terms(X)) -> mark#(X) -> mark#(sqr(X)) -> mark#(X) mark#(terms(X)) -> mark#(X) -> mark#(sqr(X)) -> active#(sqr(mark(X))) mark#(terms(X)) -> mark#(X) -> mark#(s(X)) -> active#(s(X)) mark#(terms(X)) -> mark#(X) -> mark#(0()) -> active#(0()) mark#(terms(X)) -> mark#(X) -> mark#(add(X1,X2)) -> mark#(X2) mark#(terms(X)) -> mark#(X) -> mark#(add(X1,X2)) -> mark#(X1) mark#(terms(X)) -> mark#(X) -> mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) mark#(terms(X)) -> mark#(X) -> mark#(dbl(X)) -> mark#(X) mark#(terms(X)) -> mark#(X) -> mark#(dbl(X)) -> active#(dbl(mark(X))) mark#(terms(X)) -> mark#(X) -> mark#(first(X1,X2)) -> mark#(X2) mark#(terms(X)) -> mark#(X) -> mark#(first(X1,X2)) -> mark#(X1) mark#(terms(X)) -> mark#(X) -> mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) mark#(terms(X)) -> mark#(X) -> mark#(nil()) -> active#(nil()) mark#(terms(X)) -> active#(terms(mark(X))) -> active#(terms(N)) -> mark#(cons(recip(sqr(N)),terms(s(N)))) active#(first(0(),X)) -> mark#(nil()) -> mark#(nil()) -> active#(nil()) active#(first(s(X),cons(Y,Z))) -> mark#(cons(Y,first(X,Z))) -> mark#(cons(X1,X2)) -> mark#(X1) active#(first(s(X),cons(Y,Z))) -> mark#(cons(Y,first(X,Z))) -> mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) active#(add(0(),X)) -> mark#(X) -> mark#(terms(X)) -> mark#(X) active#(add(0(),X)) -> mark#(X) -> mark#(terms(X)) -> active#(terms(mark(X))) active#(add(0(),X)) -> mark#(X) -> mark#(cons(X1,X2)) -> mark#(X1) active#(add(0(),X)) -> mark#(X) -> mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) active#(add(0(),X)) -> mark#(X) -> mark#(recip(X)) -> mark#(X) active#(add(0(),X)) -> mark#(X) -> mark#(recip(X)) -> active#(recip(mark(X))) active#(add(0(),X)) -> mark#(X) -> mark#(sqr(X)) -> mark#(X) active#(add(0(),X)) -> mark#(X) -> mark#(sqr(X)) -> active#(sqr(mark(X))) active#(add(0(),X)) -> mark#(X) -> mark#(s(X)) -> active#(s(X)) active#(add(0(),X)) -> mark#(X) -> mark#(0()) -> active#(0()) active#(add(0(),X)) -> mark#(X) -> mark#(add(X1,X2)) -> mark#(X2) active#(add(0(),X)) -> mark#(X) -> mark#(add(X1,X2)) -> mark#(X1) active#(add(0(),X)) -> mark#(X) -> mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) active#(add(0(),X)) -> mark#(X) -> mark#(dbl(X)) -> mark#(X) active#(add(0(),X)) -> mark#(X) -> mark#(dbl(X)) -> active#(dbl(mark(X))) active#(add(0(),X)) -> mark#(X) -> mark#(first(X1,X2)) -> mark#(X2) active#(add(0(),X)) -> mark#(X) -> mark#(first(X1,X2)) -> mark#(X1) active#(add(0(),X)) -> mark#(X) -> mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) active#(add(0(),X)) -> mark#(X) -> mark#(nil()) -> active#(nil()) active#(add(s(X),Y)) -> mark#(s(add(X,Y))) -> mark#(s(X)) -> active#(s(X)) active#(dbl(0())) -> mark#(0()) -> mark#(0()) -> active#(0()) active#(dbl(s(X))) -> mark#(s(s(dbl(X)))) -> mark#(s(X)) -> active#(s(X)) active#(sqr(0())) -> mark#(0()) -> mark#(0()) -> active#(0()) active#(sqr(s(X))) -> mark#(s(add(sqr(X),dbl(X)))) -> mark#(s(X)) -> active#(s(X)) active#(terms(N)) -> mark#(cons(recip(sqr(N)),terms(s(N)))) -> mark#(cons(X1,X2)) -> mark#(X1) active#(terms(N)) -> mark#(cons(recip(sqr(N)),terms(s(N)))) -> mark#(cons(X1,X2)) -> active#(cons(mark(X1),X2)) SCC Processor: #sccs: 1 #rules: 15 #arcs: 209/784 DPs: mark#(first(X1,X2)) -> mark#(X2) mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) active#(first(s(X),cons(Y,Z))) -> mark#(cons(Y,first(X,Z))) mark#(cons(X1,X2)) -> mark#(X1) mark#(first(X1,X2)) -> mark#(X1) mark#(dbl(X)) -> mark#(X) mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) active#(add(0(),X)) -> mark#(X) mark#(add(X1,X2)) -> mark#(X1) mark#(add(X1,X2)) -> mark#(X2) mark#(sqr(X)) -> mark#(X) mark#(recip(X)) -> mark#(X) mark#(terms(X)) -> active#(terms(mark(X))) active#(terms(N)) -> mark#(cons(recip(sqr(N)),terms(s(N)))) mark#(terms(X)) -> mark#(X) TRS: active(terms(N)) -> mark(cons(recip(sqr(N)),terms(s(N)))) active(sqr(0())) -> mark(0()) active(sqr(s(X))) -> mark(s(add(sqr(X),dbl(X)))) active(dbl(0())) -> mark(0()) active(dbl(s(X))) -> mark(s(s(dbl(X)))) active(add(0(),X)) -> mark(X) active(add(s(X),Y)) -> mark(s(add(X,Y))) active(first(0(),X)) -> mark(nil()) active(first(s(X),cons(Y,Z))) -> mark(cons(Y,first(X,Z))) mark(terms(X)) -> active(terms(mark(X))) mark(cons(X1,X2)) -> active(cons(mark(X1),X2)) mark(recip(X)) -> active(recip(mark(X))) mark(sqr(X)) -> active(sqr(mark(X))) mark(s(X)) -> active(s(X)) mark(0()) -> active(0()) mark(add(X1,X2)) -> active(add(mark(X1),mark(X2))) mark(dbl(X)) -> active(dbl(mark(X))) mark(first(X1,X2)) -> active(first(mark(X1),mark(X2))) mark(nil()) -> active(nil()) terms(mark(X)) -> terms(X) terms(active(X)) -> terms(X) cons(mark(X1),X2) -> cons(X1,X2) cons(X1,mark(X2)) -> cons(X1,X2) cons(active(X1),X2) -> cons(X1,X2) cons(X1,active(X2)) -> cons(X1,X2) recip(mark(X)) -> recip(X) recip(active(X)) -> recip(X) sqr(mark(X)) -> sqr(X) sqr(active(X)) -> sqr(X) s(mark(X)) -> s(X) s(active(X)) -> s(X) add(mark(X1),X2) -> add(X1,X2) add(X1,mark(X2)) -> add(X1,X2) add(active(X1),X2) -> add(X1,X2) add(X1,active(X2)) -> add(X1,X2) dbl(mark(X)) -> dbl(X) dbl(active(X)) -> dbl(X) first(mark(X1),X2) -> first(X1,X2) first(X1,mark(X2)) -> first(X1,X2) first(active(X1),X2) -> first(X1,X2) first(X1,active(X2)) -> first(X1,X2) Arctic Interpretation Processor: dimension: 1 usable rules: active(terms(N)) -> mark(cons(recip(sqr(N)),terms(s(N)))) active(sqr(0())) -> mark(0()) active(sqr(s(X))) -> mark(s(add(sqr(X),dbl(X)))) active(dbl(0())) -> mark(0()) active(dbl(s(X))) -> mark(s(s(dbl(X)))) active(add(0(),X)) -> mark(X) active(add(s(X),Y)) -> mark(s(add(X,Y))) active(first(0(),X)) -> mark(nil()) active(first(s(X),cons(Y,Z))) -> mark(cons(Y,first(X,Z))) mark(terms(X)) -> active(terms(mark(X))) mark(cons(X1,X2)) -> active(cons(mark(X1),X2)) mark(recip(X)) -> active(recip(mark(X))) mark(sqr(X)) -> active(sqr(mark(X))) mark(s(X)) -> active(s(X)) mark(0()) -> active(0()) mark(add(X1,X2)) -> active(add(mark(X1),mark(X2))) mark(dbl(X)) -> active(dbl(mark(X))) mark(first(X1,X2)) -> active(first(mark(X1),mark(X2))) mark(nil()) -> active(nil()) terms(mark(X)) -> terms(X) terms(active(X)) -> terms(X) cons(mark(X1),X2) -> cons(X1,X2) cons(X1,mark(X2)) -> cons(X1,X2) cons(active(X1),X2) -> cons(X1,X2) cons(X1,active(X2)) -> cons(X1,X2) recip(mark(X)) -> recip(X) recip(active(X)) -> recip(X) sqr(mark(X)) -> sqr(X) sqr(active(X)) -> sqr(X) s(mark(X)) -> s(X) s(active(X)) -> s(X) add(mark(X1),X2) -> add(X1,X2) add(X1,mark(X2)) -> add(X1,X2) add(active(X1),X2) -> add(X1,X2) add(X1,active(X2)) -> add(X1,X2) dbl(mark(X)) -> dbl(X) dbl(active(X)) -> dbl(X) first(mark(X1),X2) -> first(X1,X2) first(X1,mark(X2)) -> first(X1,X2) first(active(X1),X2) -> first(X1,X2) first(X1,active(X2)) -> first(X1,X2) interpretation: [mark#](x0) = x0 + 0, [active#](x0) = x0 + 0, [nil] = 0, [first](x0, x1) = x0 + x1, [add](x0, x1) = x0 + x1 + 0, [dbl](x0) = 7x0 + 4, [0] = 0, [mark](x0) = x0, [cons](x0, x1) = x0, [s](x0) = 0, [recip](x0) = x0, [sqr](x0) = x0, [active](x0) = x0, [terms](x0) = x0 + 0 orientation: mark#(first(X1,X2)) = X1 + X2 + 0 >= X2 + 0 = mark#(X2) mark#(first(X1,X2)) = X1 + X2 + 0 >= X1 + X2 + 0 = active#(first(mark(X1),mark(X2))) active#(first(s(X),cons(Y,Z))) = Y + 0 >= Y + 0 = mark#(cons(Y,first(X,Z))) mark#(cons(X1,X2)) = X1 + 0 >= X1 + 0 = mark#(X1) mark#(first(X1,X2)) = X1 + X2 + 0 >= X1 + 0 = mark#(X1) mark#(dbl(X)) = 7X + 4 >= X + 0 = mark#(X) mark#(add(X1,X2)) = X1 + X2 + 0 >= X1 + X2 + 0 = active#(add(mark(X1),mark(X2))) active#(add(0(),X)) = X + 0 >= X + 0 = mark#(X) mark#(add(X1,X2)) = X1 + X2 + 0 >= X1 + 0 = mark#(X1) mark#(add(X1,X2)) = X1 + X2 + 0 >= X2 + 0 = mark#(X2) mark#(sqr(X)) = X + 0 >= X + 0 = mark#(X) mark#(recip(X)) = X + 0 >= X + 0 = mark#(X) mark#(terms(X)) = X + 0 >= X + 0 = active#(terms(mark(X))) active#(terms(N)) = N + 0 >= N + 0 = mark#(cons(recip(sqr(N)),terms(s(N)))) mark#(terms(X)) = X + 0 >= X + 0 = mark#(X) active(terms(N)) = N + 0 >= N = mark(cons(recip(sqr(N)),terms(s(N)))) active(sqr(0())) = 0 >= 0 = mark(0()) active(sqr(s(X))) = 0 >= 0 = mark(s(add(sqr(X),dbl(X)))) active(dbl(0())) = 7 >= 0 = mark(0()) active(dbl(s(X))) = 7 >= 0 = mark(s(s(dbl(X)))) active(add(0(),X)) = X + 0 >= X = mark(X) active(add(s(X),Y)) = Y + 0 >= 0 = mark(s(add(X,Y))) active(first(0(),X)) = X + 0 >= 0 = mark(nil()) active(first(s(X),cons(Y,Z))) = Y + 0 >= Y = mark(cons(Y,first(X,Z))) mark(terms(X)) = X + 0 >= X + 0 = active(terms(mark(X))) mark(cons(X1,X2)) = X1 >= X1 = active(cons(mark(X1),X2)) mark(recip(X)) = X >= X = active(recip(mark(X))) mark(sqr(X)) = X >= X = active(sqr(mark(X))) mark(s(X)) = 0 >= 0 = active(s(X)) mark(0()) = 0 >= 0 = active(0()) mark(add(X1,X2)) = X1 + X2 + 0 >= X1 + X2 + 0 = active(add(mark(X1),mark(X2))) mark(dbl(X)) = 7X + 4 >= 7X + 4 = active(dbl(mark(X))) mark(first(X1,X2)) = X1 + X2 >= X1 + X2 = active(first(mark(X1),mark(X2))) mark(nil()) = 0 >= 0 = active(nil()) terms(mark(X)) = X + 0 >= X + 0 = terms(X) terms(active(X)) = X + 0 >= X + 0 = terms(X) cons(mark(X1),X2) = X1 >= X1 = cons(X1,X2) cons(X1,mark(X2)) = X1 >= X1 = cons(X1,X2) cons(active(X1),X2) = X1 >= X1 = cons(X1,X2) cons(X1,active(X2)) = X1 >= X1 = cons(X1,X2) recip(mark(X)) = X >= X = recip(X) recip(active(X)) = X >= X = recip(X) sqr(mark(X)) = X >= X = sqr(X) sqr(active(X)) = X >= X = sqr(X) s(mark(X)) = 0 >= 0 = s(X) s(active(X)) = 0 >= 0 = s(X) add(mark(X1),X2) = X1 + X2 + 0 >= X1 + X2 + 0 = add(X1,X2) add(X1,mark(X2)) = X1 + X2 + 0 >= X1 + X2 + 0 = add(X1,X2) add(active(X1),X2) = X1 + X2 + 0 >= X1 + X2 + 0 = add(X1,X2) add(X1,active(X2)) = X1 + X2 + 0 >= X1 + X2 + 0 = add(X1,X2) dbl(mark(X)) = 7X + 4 >= 7X + 4 = dbl(X) dbl(active(X)) = 7X + 4 >= 7X + 4 = dbl(X) first(mark(X1),X2) = X1 + X2 >= X1 + X2 = first(X1,X2) first(X1,mark(X2)) = X1 + X2 >= X1 + X2 = first(X1,X2) first(active(X1),X2) = X1 + X2 >= X1 + X2 = first(X1,X2) first(X1,active(X2)) = X1 + X2 >= X1 + X2 = first(X1,X2) problem: DPs: mark#(first(X1,X2)) -> mark#(X2) mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) active#(first(s(X),cons(Y,Z))) -> mark#(cons(Y,first(X,Z))) mark#(cons(X1,X2)) -> mark#(X1) mark#(first(X1,X2)) -> mark#(X1) mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) active#(add(0(),X)) -> mark#(X) mark#(add(X1,X2)) -> mark#(X1) mark#(add(X1,X2)) -> mark#(X2) mark#(sqr(X)) -> mark#(X) mark#(recip(X)) -> mark#(X) mark#(terms(X)) -> active#(terms(mark(X))) active#(terms(N)) -> mark#(cons(recip(sqr(N)),terms(s(N)))) mark#(terms(X)) -> mark#(X) TRS: active(terms(N)) -> mark(cons(recip(sqr(N)),terms(s(N)))) active(sqr(0())) -> mark(0()) active(sqr(s(X))) -> mark(s(add(sqr(X),dbl(X)))) active(dbl(0())) -> mark(0()) active(dbl(s(X))) -> mark(s(s(dbl(X)))) active(add(0(),X)) -> mark(X) active(add(s(X),Y)) -> mark(s(add(X,Y))) active(first(0(),X)) -> mark(nil()) active(first(s(X),cons(Y,Z))) -> mark(cons(Y,first(X,Z))) mark(terms(X)) -> active(terms(mark(X))) mark(cons(X1,X2)) -> active(cons(mark(X1),X2)) mark(recip(X)) -> active(recip(mark(X))) mark(sqr(X)) -> active(sqr(mark(X))) mark(s(X)) -> active(s(X)) mark(0()) -> active(0()) mark(add(X1,X2)) -> active(add(mark(X1),mark(X2))) mark(dbl(X)) -> active(dbl(mark(X))) mark(first(X1,X2)) -> active(first(mark(X1),mark(X2))) mark(nil()) -> active(nil()) terms(mark(X)) -> terms(X) terms(active(X)) -> terms(X) cons(mark(X1),X2) -> cons(X1,X2) cons(X1,mark(X2)) -> cons(X1,X2) cons(active(X1),X2) -> cons(X1,X2) cons(X1,active(X2)) -> cons(X1,X2) recip(mark(X)) -> recip(X) recip(active(X)) -> recip(X) sqr(mark(X)) -> sqr(X) sqr(active(X)) -> sqr(X) s(mark(X)) -> s(X) s(active(X)) -> s(X) add(mark(X1),X2) -> add(X1,X2) add(X1,mark(X2)) -> add(X1,X2) add(active(X1),X2) -> add(X1,X2) add(X1,active(X2)) -> add(X1,X2) dbl(mark(X)) -> dbl(X) dbl(active(X)) -> dbl(X) first(mark(X1),X2) -> first(X1,X2) first(X1,mark(X2)) -> first(X1,X2) first(active(X1),X2) -> first(X1,X2) first(X1,active(X2)) -> first(X1,X2) Restore Modifier: DPs: mark#(first(X1,X2)) -> mark#(X2) mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) active#(first(s(X),cons(Y,Z))) -> mark#(cons(Y,first(X,Z))) mark#(cons(X1,X2)) -> mark#(X1) mark#(first(X1,X2)) -> mark#(X1) mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) active#(add(0(),X)) -> mark#(X) mark#(add(X1,X2)) -> mark#(X1) mark#(add(X1,X2)) -> mark#(X2) mark#(sqr(X)) -> mark#(X) mark#(recip(X)) -> mark#(X) mark#(terms(X)) -> active#(terms(mark(X))) active#(terms(N)) -> mark#(cons(recip(sqr(N)),terms(s(N)))) mark#(terms(X)) -> mark#(X) TRS: active(terms(N)) -> mark(cons(recip(sqr(N)),terms(s(N)))) active(sqr(0())) -> mark(0()) active(sqr(s(X))) -> mark(s(add(sqr(X),dbl(X)))) active(dbl(0())) -> mark(0()) active(dbl(s(X))) -> mark(s(s(dbl(X)))) active(add(0(),X)) -> mark(X) active(add(s(X),Y)) -> mark(s(add(X,Y))) active(first(0(),X)) -> mark(nil()) active(first(s(X),cons(Y,Z))) -> mark(cons(Y,first(X,Z))) mark(terms(X)) -> active(terms(mark(X))) mark(cons(X1,X2)) -> active(cons(mark(X1),X2)) mark(recip(X)) -> active(recip(mark(X))) mark(sqr(X)) -> active(sqr(mark(X))) mark(s(X)) -> active(s(X)) mark(0()) -> active(0()) mark(add(X1,X2)) -> active(add(mark(X1),mark(X2))) mark(dbl(X)) -> active(dbl(mark(X))) mark(first(X1,X2)) -> active(first(mark(X1),mark(X2))) mark(nil()) -> active(nil()) terms(mark(X)) -> terms(X) terms(active(X)) -> terms(X) cons(mark(X1),X2) -> cons(X1,X2) cons(X1,mark(X2)) -> cons(X1,X2) cons(active(X1),X2) -> cons(X1,X2) cons(X1,active(X2)) -> cons(X1,X2) recip(mark(X)) -> recip(X) recip(active(X)) -> recip(X) sqr(mark(X)) -> sqr(X) sqr(active(X)) -> sqr(X) s(mark(X)) -> s(X) s(active(X)) -> s(X) add(mark(X1),X2) -> add(X1,X2) add(X1,mark(X2)) -> add(X1,X2) add(active(X1),X2) -> add(X1,X2) add(X1,active(X2)) -> add(X1,X2) dbl(mark(X)) -> dbl(X) dbl(active(X)) -> dbl(X) first(mark(X1),X2) -> first(X1,X2) first(X1,mark(X2)) -> first(X1,X2) first(active(X1),X2) -> first(X1,X2) first(X1,active(X2)) -> first(X1,X2) Arctic Interpretation Processor: dimension: 1 usable rules: active(terms(N)) -> mark(cons(recip(sqr(N)),terms(s(N)))) active(sqr(0())) -> mark(0()) active(sqr(s(X))) -> mark(s(add(sqr(X),dbl(X)))) active(dbl(0())) -> mark(0()) active(dbl(s(X))) -> mark(s(s(dbl(X)))) active(add(0(),X)) -> mark(X) active(add(s(X),Y)) -> mark(s(add(X,Y))) active(first(0(),X)) -> mark(nil()) active(first(s(X),cons(Y,Z))) -> mark(cons(Y,first(X,Z))) mark(terms(X)) -> active(terms(mark(X))) mark(cons(X1,X2)) -> active(cons(mark(X1),X2)) mark(recip(X)) -> active(recip(mark(X))) mark(sqr(X)) -> active(sqr(mark(X))) mark(s(X)) -> active(s(X)) mark(0()) -> active(0()) mark(add(X1,X2)) -> active(add(mark(X1),mark(X2))) mark(dbl(X)) -> active(dbl(mark(X))) mark(first(X1,X2)) -> active(first(mark(X1),mark(X2))) mark(nil()) -> active(nil()) terms(mark(X)) -> terms(X) terms(active(X)) -> terms(X) cons(mark(X1),X2) -> cons(X1,X2) cons(X1,mark(X2)) -> cons(X1,X2) cons(active(X1),X2) -> cons(X1,X2) cons(X1,active(X2)) -> cons(X1,X2) recip(mark(X)) -> recip(X) recip(active(X)) -> recip(X) sqr(mark(X)) -> sqr(X) sqr(active(X)) -> sqr(X) s(mark(X)) -> s(X) s(active(X)) -> s(X) add(mark(X1),X2) -> add(X1,X2) add(X1,mark(X2)) -> add(X1,X2) add(active(X1),X2) -> add(X1,X2) add(X1,active(X2)) -> add(X1,X2) dbl(mark(X)) -> dbl(X) dbl(active(X)) -> dbl(X) first(mark(X1),X2) -> first(X1,X2) first(X1,mark(X2)) -> first(X1,X2) first(active(X1),X2) -> first(X1,X2) first(X1,active(X2)) -> first(X1,X2) interpretation: [mark#](x0) = x0, [active#](x0) = x0, [nil] = 0, [first](x0, x1) = x0 + 2x1 + 0, [add](x0, x1) = x0 + x1 + 0, [dbl](x0) = x0 + 0, [0] = 1, [mark](x0) = x0, [cons](x0, x1) = 1x0, [s](x0) = x0 + 0, [recip](x0) = 1x0, [sqr](x0) = x0, [active](x0) = x0, [terms](x0) = 2x0 orientation: mark#(first(X1,X2)) = X1 + 2X2 + 0 >= X2 = mark#(X2) mark#(first(X1,X2)) = X1 + 2X2 + 0 >= X1 + 2X2 + 0 = active#(first(mark(X1),mark(X2))) active#(first(s(X),cons(Y,Z))) = X + 3Y + 0 >= 1Y = mark#(cons(Y,first(X,Z))) mark#(cons(X1,X2)) = 1X1 >= X1 = mark#(X1) mark#(first(X1,X2)) = X1 + 2X2 + 0 >= X1 = mark#(X1) mark#(add(X1,X2)) = X1 + X2 + 0 >= X1 + X2 + 0 = active#(add(mark(X1),mark(X2))) active#(add(0(),X)) = X + 1 >= X = mark#(X) mark#(add(X1,X2)) = X1 + X2 + 0 >= X1 = mark#(X1) mark#(add(X1,X2)) = X1 + X2 + 0 >= X2 = mark#(X2) mark#(sqr(X)) = X >= X = mark#(X) mark#(recip(X)) = 1X >= X = mark#(X) mark#(terms(X)) = 2X >= 2X = active#(terms(mark(X))) active#(terms(N)) = 2N >= 2N = mark#(cons(recip(sqr(N)),terms(s(N)))) mark#(terms(X)) = 2X >= X = mark#(X) active(terms(N)) = 2N >= 2N = mark(cons(recip(sqr(N)),terms(s(N)))) active(sqr(0())) = 1 >= 1 = mark(0()) active(sqr(s(X))) = X + 0 >= X + 0 = mark(s(add(sqr(X),dbl(X)))) active(dbl(0())) = 1 >= 1 = mark(0()) active(dbl(s(X))) = X + 0 >= X + 0 = mark(s(s(dbl(X)))) active(add(0(),X)) = X + 1 >= X = mark(X) active(add(s(X),Y)) = X + Y + 0 >= X + Y + 0 = mark(s(add(X,Y))) active(first(0(),X)) = 2X + 1 >= 0 = mark(nil()) active(first(s(X),cons(Y,Z))) = X + 3Y + 0 >= 1Y = mark(cons(Y,first(X,Z))) mark(terms(X)) = 2X >= 2X = active(terms(mark(X))) mark(cons(X1,X2)) = 1X1 >= 1X1 = active(cons(mark(X1),X2)) mark(recip(X)) = 1X >= 1X = active(recip(mark(X))) mark(sqr(X)) = X >= X = active(sqr(mark(X))) mark(s(X)) = X + 0 >= X + 0 = active(s(X)) mark(0()) = 1 >= 1 = active(0()) mark(add(X1,X2)) = X1 + X2 + 0 >= X1 + X2 + 0 = active(add(mark(X1),mark(X2))) mark(dbl(X)) = X + 0 >= X + 0 = active(dbl(mark(X))) mark(first(X1,X2)) = X1 + 2X2 + 0 >= X1 + 2X2 + 0 = active(first(mark(X1),mark(X2))) mark(nil()) = 0 >= 0 = active(nil()) terms(mark(X)) = 2X >= 2X = terms(X) terms(active(X)) = 2X >= 2X = terms(X) cons(mark(X1),X2) = 1X1 >= 1X1 = cons(X1,X2) cons(X1,mark(X2)) = 1X1 >= 1X1 = cons(X1,X2) cons(active(X1),X2) = 1X1 >= 1X1 = cons(X1,X2) cons(X1,active(X2)) = 1X1 >= 1X1 = cons(X1,X2) recip(mark(X)) = 1X >= 1X = recip(X) recip(active(X)) = 1X >= 1X = recip(X) sqr(mark(X)) = X >= X = sqr(X) sqr(active(X)) = X >= X = sqr(X) s(mark(X)) = X + 0 >= X + 0 = s(X) s(active(X)) = X + 0 >= X + 0 = s(X) add(mark(X1),X2) = X1 + X2 + 0 >= X1 + X2 + 0 = add(X1,X2) add(X1,mark(X2)) = X1 + X2 + 0 >= X1 + X2 + 0 = add(X1,X2) add(active(X1),X2) = X1 + X2 + 0 >= X1 + X2 + 0 = add(X1,X2) add(X1,active(X2)) = X1 + X2 + 0 >= X1 + X2 + 0 = add(X1,X2) dbl(mark(X)) = X + 0 >= X + 0 = dbl(X) dbl(active(X)) = X + 0 >= X + 0 = dbl(X) first(mark(X1),X2) = X1 + 2X2 + 0 >= X1 + 2X2 + 0 = first(X1,X2) first(X1,mark(X2)) = X1 + 2X2 + 0 >= X1 + 2X2 + 0 = first(X1,X2) first(active(X1),X2) = X1 + 2X2 + 0 >= X1 + 2X2 + 0 = first(X1,X2) first(X1,active(X2)) = X1 + 2X2 + 0 >= X1 + 2X2 + 0 = first(X1,X2) problem: DPs: mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) mark#(first(X1,X2)) -> mark#(X1) mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) active#(add(0(),X)) -> mark#(X) mark#(add(X1,X2)) -> mark#(X1) mark#(add(X1,X2)) -> mark#(X2) mark#(sqr(X)) -> mark#(X) mark#(terms(X)) -> active#(terms(mark(X))) active#(terms(N)) -> mark#(cons(recip(sqr(N)),terms(s(N)))) TRS: active(terms(N)) -> mark(cons(recip(sqr(N)),terms(s(N)))) active(sqr(0())) -> mark(0()) active(sqr(s(X))) -> mark(s(add(sqr(X),dbl(X)))) active(dbl(0())) -> mark(0()) active(dbl(s(X))) -> mark(s(s(dbl(X)))) active(add(0(),X)) -> mark(X) active(add(s(X),Y)) -> mark(s(add(X,Y))) active(first(0(),X)) -> mark(nil()) active(first(s(X),cons(Y,Z))) -> mark(cons(Y,first(X,Z))) mark(terms(X)) -> active(terms(mark(X))) mark(cons(X1,X2)) -> active(cons(mark(X1),X2)) mark(recip(X)) -> active(recip(mark(X))) mark(sqr(X)) -> active(sqr(mark(X))) mark(s(X)) -> active(s(X)) mark(0()) -> active(0()) mark(add(X1,X2)) -> active(add(mark(X1),mark(X2))) mark(dbl(X)) -> active(dbl(mark(X))) mark(first(X1,X2)) -> active(first(mark(X1),mark(X2))) mark(nil()) -> active(nil()) terms(mark(X)) -> terms(X) terms(active(X)) -> terms(X) cons(mark(X1),X2) -> cons(X1,X2) cons(X1,mark(X2)) -> cons(X1,X2) cons(active(X1),X2) -> cons(X1,X2) cons(X1,active(X2)) -> cons(X1,X2) recip(mark(X)) -> recip(X) recip(active(X)) -> recip(X) sqr(mark(X)) -> sqr(X) sqr(active(X)) -> sqr(X) s(mark(X)) -> s(X) s(active(X)) -> s(X) add(mark(X1),X2) -> add(X1,X2) add(X1,mark(X2)) -> add(X1,X2) add(active(X1),X2) -> add(X1,X2) add(X1,active(X2)) -> add(X1,X2) dbl(mark(X)) -> dbl(X) dbl(active(X)) -> dbl(X) first(mark(X1),X2) -> first(X1,X2) first(X1,mark(X2)) -> first(X1,X2) first(active(X1),X2) -> first(X1,X2) first(X1,active(X2)) -> first(X1,X2) Restore Modifier: DPs: mark#(first(X1,X2)) -> active#(first(mark(X1),mark(X2))) mark#(first(X1,X2)) -> mark#(X1) mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) active#(add(0(),X)) -> mark#(X) mark#(add(X1,X2)) -> mark#(X1) mark#(add(X1,X2)) -> mark#(X2) mark#(sqr(X)) -> mark#(X) mark#(terms(X)) -> active#(terms(mark(X))) active#(terms(N)) -> mark#(cons(recip(sqr(N)),terms(s(N)))) TRS: active(terms(N)) -> mark(cons(recip(sqr(N)),terms(s(N)))) active(sqr(0())) -> mark(0()) active(sqr(s(X))) -> mark(s(add(sqr(X),dbl(X)))) active(dbl(0())) -> mark(0()) active(dbl(s(X))) -> mark(s(s(dbl(X)))) active(add(0(),X)) -> mark(X) active(add(s(X),Y)) -> mark(s(add(X,Y))) active(first(0(),X)) -> mark(nil()) active(first(s(X),cons(Y,Z))) -> mark(cons(Y,first(X,Z))) mark(terms(X)) -> active(terms(mark(X))) mark(cons(X1,X2)) -> active(cons(mark(X1),X2)) mark(recip(X)) -> active(recip(mark(X))) mark(sqr(X)) -> active(sqr(mark(X))) mark(s(X)) -> active(s(X)) mark(0()) -> active(0()) mark(add(X1,X2)) -> active(add(mark(X1),mark(X2))) mark(dbl(X)) -> active(dbl(mark(X))) mark(first(X1,X2)) -> active(first(mark(X1),mark(X2))) mark(nil()) -> active(nil()) terms(mark(X)) -> terms(X) terms(active(X)) -> terms(X) cons(mark(X1),X2) -> cons(X1,X2) cons(X1,mark(X2)) -> cons(X1,X2) cons(active(X1),X2) -> cons(X1,X2) cons(X1,active(X2)) -> cons(X1,X2) recip(mark(X)) -> recip(X) recip(active(X)) -> recip(X) sqr(mark(X)) -> sqr(X) sqr(active(X)) -> sqr(X) s(mark(X)) -> s(X) s(active(X)) -> s(X) add(mark(X1),X2) -> add(X1,X2) add(X1,mark(X2)) -> add(X1,X2) add(active(X1),X2) -> add(X1,X2) add(X1,active(X2)) -> add(X1,X2) dbl(mark(X)) -> dbl(X) dbl(active(X)) -> dbl(X) first(mark(X1),X2) -> first(X1,X2) first(X1,mark(X2)) -> first(X1,X2) first(active(X1),X2) -> first(X1,X2) first(X1,active(X2)) -> first(X1,X2) SCC Processor: #sccs: 1 #rules: 6 #arcs: 125/81 DPs: mark#(first(X1,X2)) -> mark#(X1) mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) active#(add(0(),X)) -> mark#(X) mark#(add(X1,X2)) -> mark#(X1) mark#(add(X1,X2)) -> mark#(X2) mark#(sqr(X)) -> mark#(X) TRS: active(terms(N)) -> mark(cons(recip(sqr(N)),terms(s(N)))) active(sqr(0())) -> mark(0()) active(sqr(s(X))) -> mark(s(add(sqr(X),dbl(X)))) active(dbl(0())) -> mark(0()) active(dbl(s(X))) -> mark(s(s(dbl(X)))) active(add(0(),X)) -> mark(X) active(add(s(X),Y)) -> mark(s(add(X,Y))) active(first(0(),X)) -> mark(nil()) active(first(s(X),cons(Y,Z))) -> mark(cons(Y,first(X,Z))) mark(terms(X)) -> active(terms(mark(X))) mark(cons(X1,X2)) -> active(cons(mark(X1),X2)) mark(recip(X)) -> active(recip(mark(X))) mark(sqr(X)) -> active(sqr(mark(X))) mark(s(X)) -> active(s(X)) mark(0()) -> active(0()) mark(add(X1,X2)) -> active(add(mark(X1),mark(X2))) mark(dbl(X)) -> active(dbl(mark(X))) mark(first(X1,X2)) -> active(first(mark(X1),mark(X2))) mark(nil()) -> active(nil()) terms(mark(X)) -> terms(X) terms(active(X)) -> terms(X) cons(mark(X1),X2) -> cons(X1,X2) cons(X1,mark(X2)) -> cons(X1,X2) cons(active(X1),X2) -> cons(X1,X2) cons(X1,active(X2)) -> cons(X1,X2) recip(mark(X)) -> recip(X) recip(active(X)) -> recip(X) sqr(mark(X)) -> sqr(X) sqr(active(X)) -> sqr(X) s(mark(X)) -> s(X) s(active(X)) -> s(X) add(mark(X1),X2) -> add(X1,X2) add(X1,mark(X2)) -> add(X1,X2) add(active(X1),X2) -> add(X1,X2) add(X1,active(X2)) -> add(X1,X2) dbl(mark(X)) -> dbl(X) dbl(active(X)) -> dbl(X) first(mark(X1),X2) -> first(X1,X2) first(X1,mark(X2)) -> first(X1,X2) first(active(X1),X2) -> first(X1,X2) first(X1,active(X2)) -> first(X1,X2) Arctic Interpretation Processor: dimension: 1 usable rules: active(terms(N)) -> mark(cons(recip(sqr(N)),terms(s(N)))) active(sqr(0())) -> mark(0()) active(sqr(s(X))) -> mark(s(add(sqr(X),dbl(X)))) active(dbl(0())) -> mark(0()) active(dbl(s(X))) -> mark(s(s(dbl(X)))) active(add(0(),X)) -> mark(X) active(add(s(X),Y)) -> mark(s(add(X,Y))) active(first(0(),X)) -> mark(nil()) active(first(s(X),cons(Y,Z))) -> mark(cons(Y,first(X,Z))) mark(terms(X)) -> active(terms(mark(X))) mark(cons(X1,X2)) -> active(cons(mark(X1),X2)) mark(recip(X)) -> active(recip(mark(X))) mark(sqr(X)) -> active(sqr(mark(X))) mark(s(X)) -> active(s(X)) mark(0()) -> active(0()) mark(add(X1,X2)) -> active(add(mark(X1),mark(X2))) mark(dbl(X)) -> active(dbl(mark(X))) mark(first(X1,X2)) -> active(first(mark(X1),mark(X2))) mark(nil()) -> active(nil()) terms(mark(X)) -> terms(X) terms(active(X)) -> terms(X) cons(mark(X1),X2) -> cons(X1,X2) cons(X1,mark(X2)) -> cons(X1,X2) cons(active(X1),X2) -> cons(X1,X2) cons(X1,active(X2)) -> cons(X1,X2) recip(mark(X)) -> recip(X) recip(active(X)) -> recip(X) sqr(mark(X)) -> sqr(X) sqr(active(X)) -> sqr(X) s(mark(X)) -> s(X) s(active(X)) -> s(X) add(mark(X1),X2) -> add(X1,X2) add(X1,mark(X2)) -> add(X1,X2) add(active(X1),X2) -> add(X1,X2) add(X1,active(X2)) -> add(X1,X2) dbl(mark(X)) -> dbl(X) dbl(active(X)) -> dbl(X) first(mark(X1),X2) -> first(X1,X2) first(X1,mark(X2)) -> first(X1,X2) first(active(X1),X2) -> first(X1,X2) first(X1,active(X2)) -> first(X1,X2) interpretation: [mark#](x0) = x0, [active#](x0) = x0 + 0, [nil] = 7, [first](x0, x1) = 7x0 + x1 + 0, [add](x0, x1) = x0 + x1 + 0, [dbl](x0) = x0, [0] = 0, [mark](x0) = x0, [cons](x0, x1) = x0 + x1 + 0, [s](x0) = x0, [recip](x0) = x0 + 0, [sqr](x0) = x0 + 0, [active](x0) = x0, [terms](x0) = x0 + 3 orientation: mark#(first(X1,X2)) = 7X1 + X2 + 0 >= X1 = mark#(X1) mark#(add(X1,X2)) = X1 + X2 + 0 >= X1 + X2 + 0 = active#(add(mark(X1),mark(X2))) active#(add(0(),X)) = X + 0 >= X = mark#(X) mark#(add(X1,X2)) = X1 + X2 + 0 >= X1 = mark#(X1) mark#(add(X1,X2)) = X1 + X2 + 0 >= X2 = mark#(X2) mark#(sqr(X)) = X + 0 >= X = mark#(X) active(terms(N)) = N + 3 >= N + 3 = mark(cons(recip(sqr(N)),terms(s(N)))) active(sqr(0())) = 0 >= 0 = mark(0()) active(sqr(s(X))) = X + 0 >= X + 0 = mark(s(add(sqr(X),dbl(X)))) active(dbl(0())) = 0 >= 0 = mark(0()) active(dbl(s(X))) = X >= X = mark(s(s(dbl(X)))) active(add(0(),X)) = X + 0 >= X = mark(X) active(add(s(X),Y)) = X + Y + 0 >= X + Y + 0 = mark(s(add(X,Y))) active(first(0(),X)) = X + 7 >= 7 = mark(nil()) active(first(s(X),cons(Y,Z))) = 7X + Y + Z + 0 >= 7X + Y + Z + 0 = mark(cons(Y,first(X,Z))) mark(terms(X)) = X + 3 >= X + 3 = active(terms(mark(X))) mark(cons(X1,X2)) = X1 + X2 + 0 >= X1 + X2 + 0 = active(cons(mark(X1),X2)) mark(recip(X)) = X + 0 >= X + 0 = active(recip(mark(X))) mark(sqr(X)) = X + 0 >= X + 0 = active(sqr(mark(X))) mark(s(X)) = X >= X = active(s(X)) mark(0()) = 0 >= 0 = active(0()) mark(add(X1,X2)) = X1 + X2 + 0 >= X1 + X2 + 0 = active(add(mark(X1),mark(X2))) mark(dbl(X)) = X >= X = active(dbl(mark(X))) mark(first(X1,X2)) = 7X1 + X2 + 0 >= 7X1 + X2 + 0 = active(first(mark(X1),mark(X2))) mark(nil()) = 7 >= 7 = active(nil()) terms(mark(X)) = X + 3 >= X + 3 = terms(X) terms(active(X)) = X + 3 >= X + 3 = terms(X) cons(mark(X1),X2) = X1 + X2 + 0 >= X1 + X2 + 0 = cons(X1,X2) cons(X1,mark(X2)) = X1 + X2 + 0 >= X1 + X2 + 0 = cons(X1,X2) cons(active(X1),X2) = X1 + X2 + 0 >= X1 + X2 + 0 = cons(X1,X2) cons(X1,active(X2)) = X1 + X2 + 0 >= X1 + X2 + 0 = cons(X1,X2) recip(mark(X)) = X + 0 >= X + 0 = recip(X) recip(active(X)) = X + 0 >= X + 0 = recip(X) sqr(mark(X)) = X + 0 >= X + 0 = sqr(X) sqr(active(X)) = X + 0 >= X + 0 = sqr(X) s(mark(X)) = X >= X = s(X) s(active(X)) = X >= X = s(X) add(mark(X1),X2) = X1 + X2 + 0 >= X1 + X2 + 0 = add(X1,X2) add(X1,mark(X2)) = X1 + X2 + 0 >= X1 + X2 + 0 = add(X1,X2) add(active(X1),X2) = X1 + X2 + 0 >= X1 + X2 + 0 = add(X1,X2) add(X1,active(X2)) = X1 + X2 + 0 >= X1 + X2 + 0 = add(X1,X2) dbl(mark(X)) = X >= X = dbl(X) dbl(active(X)) = X >= X = dbl(X) first(mark(X1),X2) = 7X1 + X2 + 0 >= 7X1 + X2 + 0 = first(X1,X2) first(X1,mark(X2)) = 7X1 + X2 + 0 >= 7X1 + X2 + 0 = first(X1,X2) first(active(X1),X2) = 7X1 + X2 + 0 >= 7X1 + X2 + 0 = first(X1,X2) first(X1,active(X2)) = 7X1 + X2 + 0 >= 7X1 + X2 + 0 = first(X1,X2) problem: DPs: mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) active#(add(0(),X)) -> mark#(X) mark#(add(X1,X2)) -> mark#(X1) mark#(add(X1,X2)) -> mark#(X2) mark#(sqr(X)) -> mark#(X) TRS: active(terms(N)) -> mark(cons(recip(sqr(N)),terms(s(N)))) active(sqr(0())) -> mark(0()) active(sqr(s(X))) -> mark(s(add(sqr(X),dbl(X)))) active(dbl(0())) -> mark(0()) active(dbl(s(X))) -> mark(s(s(dbl(X)))) active(add(0(),X)) -> mark(X) active(add(s(X),Y)) -> mark(s(add(X,Y))) active(first(0(),X)) -> mark(nil()) active(first(s(X),cons(Y,Z))) -> mark(cons(Y,first(X,Z))) mark(terms(X)) -> active(terms(mark(X))) mark(cons(X1,X2)) -> active(cons(mark(X1),X2)) mark(recip(X)) -> active(recip(mark(X))) mark(sqr(X)) -> active(sqr(mark(X))) mark(s(X)) -> active(s(X)) mark(0()) -> active(0()) mark(add(X1,X2)) -> active(add(mark(X1),mark(X2))) mark(dbl(X)) -> active(dbl(mark(X))) mark(first(X1,X2)) -> active(first(mark(X1),mark(X2))) mark(nil()) -> active(nil()) terms(mark(X)) -> terms(X) terms(active(X)) -> terms(X) cons(mark(X1),X2) -> cons(X1,X2) cons(X1,mark(X2)) -> cons(X1,X2) cons(active(X1),X2) -> cons(X1,X2) cons(X1,active(X2)) -> cons(X1,X2) recip(mark(X)) -> recip(X) recip(active(X)) -> recip(X) sqr(mark(X)) -> sqr(X) sqr(active(X)) -> sqr(X) s(mark(X)) -> s(X) s(active(X)) -> s(X) add(mark(X1),X2) -> add(X1,X2) add(X1,mark(X2)) -> add(X1,X2) add(active(X1),X2) -> add(X1,X2) add(X1,active(X2)) -> add(X1,X2) dbl(mark(X)) -> dbl(X) dbl(active(X)) -> dbl(X) first(mark(X1),X2) -> first(X1,X2) first(X1,mark(X2)) -> first(X1,X2) first(active(X1),X2) -> first(X1,X2) first(X1,active(X2)) -> first(X1,X2) Restore Modifier: DPs: mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) active#(add(0(),X)) -> mark#(X) mark#(add(X1,X2)) -> mark#(X1) mark#(add(X1,X2)) -> mark#(X2) mark#(sqr(X)) -> mark#(X) TRS: active(terms(N)) -> mark(cons(recip(sqr(N)),terms(s(N)))) active(sqr(0())) -> mark(0()) active(sqr(s(X))) -> mark(s(add(sqr(X),dbl(X)))) active(dbl(0())) -> mark(0()) active(dbl(s(X))) -> mark(s(s(dbl(X)))) active(add(0(),X)) -> mark(X) active(add(s(X),Y)) -> mark(s(add(X,Y))) active(first(0(),X)) -> mark(nil()) active(first(s(X),cons(Y,Z))) -> mark(cons(Y,first(X,Z))) mark(terms(X)) -> active(terms(mark(X))) mark(cons(X1,X2)) -> active(cons(mark(X1),X2)) mark(recip(X)) -> active(recip(mark(X))) mark(sqr(X)) -> active(sqr(mark(X))) mark(s(X)) -> active(s(X)) mark(0()) -> active(0()) mark(add(X1,X2)) -> active(add(mark(X1),mark(X2))) mark(dbl(X)) -> active(dbl(mark(X))) mark(first(X1,X2)) -> active(first(mark(X1),mark(X2))) mark(nil()) -> active(nil()) terms(mark(X)) -> terms(X) terms(active(X)) -> terms(X) cons(mark(X1),X2) -> cons(X1,X2) cons(X1,mark(X2)) -> cons(X1,X2) cons(active(X1),X2) -> cons(X1,X2) cons(X1,active(X2)) -> cons(X1,X2) recip(mark(X)) -> recip(X) recip(active(X)) -> recip(X) sqr(mark(X)) -> sqr(X) sqr(active(X)) -> sqr(X) s(mark(X)) -> s(X) s(active(X)) -> s(X) add(mark(X1),X2) -> add(X1,X2) add(X1,mark(X2)) -> add(X1,X2) add(active(X1),X2) -> add(X1,X2) add(X1,active(X2)) -> add(X1,X2) dbl(mark(X)) -> dbl(X) dbl(active(X)) -> dbl(X) first(mark(X1),X2) -> first(X1,X2) first(X1,mark(X2)) -> first(X1,X2) first(active(X1),X2) -> first(X1,X2) first(X1,active(X2)) -> first(X1,X2) Arctic Interpretation Processor: dimension: 1 usable rules: active(terms(N)) -> mark(cons(recip(sqr(N)),terms(s(N)))) active(sqr(0())) -> mark(0()) active(sqr(s(X))) -> mark(s(add(sqr(X),dbl(X)))) active(dbl(0())) -> mark(0()) active(dbl(s(X))) -> mark(s(s(dbl(X)))) active(add(0(),X)) -> mark(X) active(add(s(X),Y)) -> mark(s(add(X,Y))) active(first(0(),X)) -> mark(nil()) active(first(s(X),cons(Y,Z))) -> mark(cons(Y,first(X,Z))) mark(terms(X)) -> active(terms(mark(X))) mark(cons(X1,X2)) -> active(cons(mark(X1),X2)) mark(recip(X)) -> active(recip(mark(X))) mark(sqr(X)) -> active(sqr(mark(X))) mark(s(X)) -> active(s(X)) mark(0()) -> active(0()) mark(add(X1,X2)) -> active(add(mark(X1),mark(X2))) mark(dbl(X)) -> active(dbl(mark(X))) mark(first(X1,X2)) -> active(first(mark(X1),mark(X2))) mark(nil()) -> active(nil()) terms(mark(X)) -> terms(X) terms(active(X)) -> terms(X) cons(mark(X1),X2) -> cons(X1,X2) cons(X1,mark(X2)) -> cons(X1,X2) cons(active(X1),X2) -> cons(X1,X2) cons(X1,active(X2)) -> cons(X1,X2) recip(mark(X)) -> recip(X) recip(active(X)) -> recip(X) sqr(mark(X)) -> sqr(X) sqr(active(X)) -> sqr(X) s(mark(X)) -> s(X) s(active(X)) -> s(X) add(mark(X1),X2) -> add(X1,X2) add(X1,mark(X2)) -> add(X1,X2) add(active(X1),X2) -> add(X1,X2) add(X1,active(X2)) -> add(X1,X2) dbl(mark(X)) -> dbl(X) dbl(active(X)) -> dbl(X) first(mark(X1),X2) -> first(X1,X2) first(X1,mark(X2)) -> first(X1,X2) first(active(X1),X2) -> first(X1,X2) first(X1,active(X2)) -> first(X1,X2) interpretation: [mark#](x0) = x0, [active#](x0) = x0, [nil] = 6, [first](x0, x1) = 4x1 + 6, [add](x0, x1) = 2x0 + x1, [dbl](x0) = 7x0 + 0, [0] = 0, [mark](x0) = x0, [cons](x0, x1) = x0 + x1 + 2, [s](x0) = 0, [recip](x0) = x0 + 0, [sqr](x0) = x0 + 0, [active](x0) = x0, [terms](x0) = x0 + 6 orientation: mark#(add(X1,X2)) = 2X1 + X2 >= 2X1 + X2 = active#(add(mark(X1),mark(X2))) active#(add(0(),X)) = X + 2 >= X = mark#(X) mark#(add(X1,X2)) = 2X1 + X2 >= X1 = mark#(X1) mark#(add(X1,X2)) = 2X1 + X2 >= X2 = mark#(X2) mark#(sqr(X)) = X + 0 >= X = mark#(X) active(terms(N)) = N + 6 >= N + 6 = mark(cons(recip(sqr(N)),terms(s(N)))) active(sqr(0())) = 0 >= 0 = mark(0()) active(sqr(s(X))) = 0 >= 0 = mark(s(add(sqr(X),dbl(X)))) active(dbl(0())) = 7 >= 0 = mark(0()) active(dbl(s(X))) = 7 >= 0 = mark(s(s(dbl(X)))) active(add(0(),X)) = X + 2 >= X = mark(X) active(add(s(X),Y)) = Y + 2 >= 0 = mark(s(add(X,Y))) active(first(0(),X)) = 4X + 6 >= 6 = mark(nil()) active(first(s(X),cons(Y,Z))) = 4Y + 4Z + 6 >= Y + 4Z + 6 = mark(cons(Y,first(X,Z))) mark(terms(X)) = X + 6 >= X + 6 = active(terms(mark(X))) mark(cons(X1,X2)) = X1 + X2 + 2 >= X1 + X2 + 2 = active(cons(mark(X1),X2)) mark(recip(X)) = X + 0 >= X + 0 = active(recip(mark(X))) mark(sqr(X)) = X + 0 >= X + 0 = active(sqr(mark(X))) mark(s(X)) = 0 >= 0 = active(s(X)) mark(0()) = 0 >= 0 = active(0()) mark(add(X1,X2)) = 2X1 + X2 >= 2X1 + X2 = active(add(mark(X1),mark(X2))) mark(dbl(X)) = 7X + 0 >= 7X + 0 = active(dbl(mark(X))) mark(first(X1,X2)) = 4X2 + 6 >= 4X2 + 6 = active(first(mark(X1),mark(X2))) mark(nil()) = 6 >= 6 = active(nil()) terms(mark(X)) = X + 6 >= X + 6 = terms(X) terms(active(X)) = X + 6 >= X + 6 = terms(X) cons(mark(X1),X2) = X1 + X2 + 2 >= X1 + X2 + 2 = cons(X1,X2) cons(X1,mark(X2)) = X1 + X2 + 2 >= X1 + X2 + 2 = cons(X1,X2) cons(active(X1),X2) = X1 + X2 + 2 >= X1 + X2 + 2 = cons(X1,X2) cons(X1,active(X2)) = X1 + X2 + 2 >= X1 + X2 + 2 = cons(X1,X2) recip(mark(X)) = X + 0 >= X + 0 = recip(X) recip(active(X)) = X + 0 >= X + 0 = recip(X) sqr(mark(X)) = X + 0 >= X + 0 = sqr(X) sqr(active(X)) = X + 0 >= X + 0 = sqr(X) s(mark(X)) = 0 >= 0 = s(X) s(active(X)) = 0 >= 0 = s(X) add(mark(X1),X2) = 2X1 + X2 >= 2X1 + X2 = add(X1,X2) add(X1,mark(X2)) = 2X1 + X2 >= 2X1 + X2 = add(X1,X2) add(active(X1),X2) = 2X1 + X2 >= 2X1 + X2 = add(X1,X2) add(X1,active(X2)) = 2X1 + X2 >= 2X1 + X2 = add(X1,X2) dbl(mark(X)) = 7X + 0 >= 7X + 0 = dbl(X) dbl(active(X)) = 7X + 0 >= 7X + 0 = dbl(X) first(mark(X1),X2) = 4X2 + 6 >= 4X2 + 6 = first(X1,X2) first(X1,mark(X2)) = 4X2 + 6 >= 4X2 + 6 = first(X1,X2) first(active(X1),X2) = 4X2 + 6 >= 4X2 + 6 = first(X1,X2) first(X1,active(X2)) = 4X2 + 6 >= 4X2 + 6 = first(X1,X2) problem: DPs: mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) active#(add(0(),X)) -> mark#(X) mark#(add(X1,X2)) -> mark#(X2) mark#(sqr(X)) -> mark#(X) TRS: active(terms(N)) -> mark(cons(recip(sqr(N)),terms(s(N)))) active(sqr(0())) -> mark(0()) active(sqr(s(X))) -> mark(s(add(sqr(X),dbl(X)))) active(dbl(0())) -> mark(0()) active(dbl(s(X))) -> mark(s(s(dbl(X)))) active(add(0(),X)) -> mark(X) active(add(s(X),Y)) -> mark(s(add(X,Y))) active(first(0(),X)) -> mark(nil()) active(first(s(X),cons(Y,Z))) -> mark(cons(Y,first(X,Z))) mark(terms(X)) -> active(terms(mark(X))) mark(cons(X1,X2)) -> active(cons(mark(X1),X2)) mark(recip(X)) -> active(recip(mark(X))) mark(sqr(X)) -> active(sqr(mark(X))) mark(s(X)) -> active(s(X)) mark(0()) -> active(0()) mark(add(X1,X2)) -> active(add(mark(X1),mark(X2))) mark(dbl(X)) -> active(dbl(mark(X))) mark(first(X1,X2)) -> active(first(mark(X1),mark(X2))) mark(nil()) -> active(nil()) terms(mark(X)) -> terms(X) terms(active(X)) -> terms(X) cons(mark(X1),X2) -> cons(X1,X2) cons(X1,mark(X2)) -> cons(X1,X2) cons(active(X1),X2) -> cons(X1,X2) cons(X1,active(X2)) -> cons(X1,X2) recip(mark(X)) -> recip(X) recip(active(X)) -> recip(X) sqr(mark(X)) -> sqr(X) sqr(active(X)) -> sqr(X) s(mark(X)) -> s(X) s(active(X)) -> s(X) add(mark(X1),X2) -> add(X1,X2) add(X1,mark(X2)) -> add(X1,X2) add(active(X1),X2) -> add(X1,X2) add(X1,active(X2)) -> add(X1,X2) dbl(mark(X)) -> dbl(X) dbl(active(X)) -> dbl(X) first(mark(X1),X2) -> first(X1,X2) first(X1,mark(X2)) -> first(X1,X2) first(active(X1),X2) -> first(X1,X2) first(X1,active(X2)) -> first(X1,X2) Restore Modifier: DPs: mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) active#(add(0(),X)) -> mark#(X) mark#(add(X1,X2)) -> mark#(X2) mark#(sqr(X)) -> mark#(X) TRS: active(terms(N)) -> mark(cons(recip(sqr(N)),terms(s(N)))) active(sqr(0())) -> mark(0()) active(sqr(s(X))) -> mark(s(add(sqr(X),dbl(X)))) active(dbl(0())) -> mark(0()) active(dbl(s(X))) -> mark(s(s(dbl(X)))) active(add(0(),X)) -> mark(X) active(add(s(X),Y)) -> mark(s(add(X,Y))) active(first(0(),X)) -> mark(nil()) active(first(s(X),cons(Y,Z))) -> mark(cons(Y,first(X,Z))) mark(terms(X)) -> active(terms(mark(X))) mark(cons(X1,X2)) -> active(cons(mark(X1),X2)) mark(recip(X)) -> active(recip(mark(X))) mark(sqr(X)) -> active(sqr(mark(X))) mark(s(X)) -> active(s(X)) mark(0()) -> active(0()) mark(add(X1,X2)) -> active(add(mark(X1),mark(X2))) mark(dbl(X)) -> active(dbl(mark(X))) mark(first(X1,X2)) -> active(first(mark(X1),mark(X2))) mark(nil()) -> active(nil()) terms(mark(X)) -> terms(X) terms(active(X)) -> terms(X) cons(mark(X1),X2) -> cons(X1,X2) cons(X1,mark(X2)) -> cons(X1,X2) cons(active(X1),X2) -> cons(X1,X2) cons(X1,active(X2)) -> cons(X1,X2) recip(mark(X)) -> recip(X) recip(active(X)) -> recip(X) sqr(mark(X)) -> sqr(X) sqr(active(X)) -> sqr(X) s(mark(X)) -> s(X) s(active(X)) -> s(X) add(mark(X1),X2) -> add(X1,X2) add(X1,mark(X2)) -> add(X1,X2) add(active(X1),X2) -> add(X1,X2) add(X1,active(X2)) -> add(X1,X2) dbl(mark(X)) -> dbl(X) dbl(active(X)) -> dbl(X) first(mark(X1),X2) -> first(X1,X2) first(X1,mark(X2)) -> first(X1,X2) first(active(X1),X2) -> first(X1,X2) first(X1,active(X2)) -> first(X1,X2) Arctic Interpretation Processor: dimension: 1 usable rules: active(terms(N)) -> mark(cons(recip(sqr(N)),terms(s(N)))) active(sqr(0())) -> mark(0()) active(sqr(s(X))) -> mark(s(add(sqr(X),dbl(X)))) active(dbl(0())) -> mark(0()) active(dbl(s(X))) -> mark(s(s(dbl(X)))) active(add(0(),X)) -> mark(X) active(add(s(X),Y)) -> mark(s(add(X,Y))) active(first(0(),X)) -> mark(nil()) active(first(s(X),cons(Y,Z))) -> mark(cons(Y,first(X,Z))) mark(terms(X)) -> active(terms(mark(X))) mark(cons(X1,X2)) -> active(cons(mark(X1),X2)) mark(recip(X)) -> active(recip(mark(X))) mark(sqr(X)) -> active(sqr(mark(X))) mark(s(X)) -> active(s(X)) mark(0()) -> active(0()) mark(add(X1,X2)) -> active(add(mark(X1),mark(X2))) mark(dbl(X)) -> active(dbl(mark(X))) mark(first(X1,X2)) -> active(first(mark(X1),mark(X2))) mark(nil()) -> active(nil()) terms(mark(X)) -> terms(X) terms(active(X)) -> terms(X) cons(mark(X1),X2) -> cons(X1,X2) cons(X1,mark(X2)) -> cons(X1,X2) cons(active(X1),X2) -> cons(X1,X2) cons(X1,active(X2)) -> cons(X1,X2) recip(mark(X)) -> recip(X) recip(active(X)) -> recip(X) sqr(mark(X)) -> sqr(X) sqr(active(X)) -> sqr(X) s(mark(X)) -> s(X) s(active(X)) -> s(X) add(mark(X1),X2) -> add(X1,X2) add(X1,mark(X2)) -> add(X1,X2) add(active(X1),X2) -> add(X1,X2) add(X1,active(X2)) -> add(X1,X2) dbl(mark(X)) -> dbl(X) dbl(active(X)) -> dbl(X) first(mark(X1),X2) -> first(X1,X2) first(X1,mark(X2)) -> first(X1,X2) first(active(X1),X2) -> first(X1,X2) first(X1,active(X2)) -> first(X1,X2) interpretation: [mark#](x0) = x0 + 0, [active#](x0) = x0 + 0, [nil] = 0, [first](x0, x1) = x1, [add](x0, x1) = x0 + x1 + 0, [dbl](x0) = 1x0 + 1, [0] = 0, [mark](x0) = x0 + 0, [cons](x0, x1) = x1, [s](x0) = 5, [recip](x0) = 1x0 + 2, [sqr](x0) = 1x0 + 2, [active](x0) = x0 + 0, [terms](x0) = 4 orientation: mark#(add(X1,X2)) = X1 + X2 + 0 >= X1 + X2 + 0 = active#(add(mark(X1),mark(X2))) active#(add(0(),X)) = X + 0 >= X + 0 = mark#(X) mark#(add(X1,X2)) = X1 + X2 + 0 >= X2 + 0 = mark#(X2) mark#(sqr(X)) = 1X + 2 >= X + 0 = mark#(X) active(terms(N)) = 4 >= 4 = mark(cons(recip(sqr(N)),terms(s(N)))) active(sqr(0())) = 2 >= 0 = mark(0()) active(sqr(s(X))) = 6 >= 5 = mark(s(add(sqr(X),dbl(X)))) active(dbl(0())) = 1 >= 0 = mark(0()) active(dbl(s(X))) = 6 >= 5 = mark(s(s(dbl(X)))) active(add(0(),X)) = X + 0 >= X + 0 = mark(X) active(add(s(X),Y)) = Y + 5 >= 5 = mark(s(add(X,Y))) active(first(0(),X)) = X + 0 >= 0 = mark(nil()) active(first(s(X),cons(Y,Z))) = Z + 0 >= Z + 0 = mark(cons(Y,first(X,Z))) mark(terms(X)) = 4 >= 4 = active(terms(mark(X))) mark(cons(X1,X2)) = X2 + 0 >= X2 + 0 = active(cons(mark(X1),X2)) mark(recip(X)) = 1X + 2 >= 1X + 2 = active(recip(mark(X))) mark(sqr(X)) = 1X + 2 >= 1X + 2 = active(sqr(mark(X))) mark(s(X)) = 5 >= 5 = active(s(X)) mark(0()) = 0 >= 0 = active(0()) mark(add(X1,X2)) = X1 + X2 + 0 >= X1 + X2 + 0 = active(add(mark(X1),mark(X2))) mark(dbl(X)) = 1X + 1 >= 1X + 1 = active(dbl(mark(X))) mark(first(X1,X2)) = X2 + 0 >= X2 + 0 = active(first(mark(X1),mark(X2))) mark(nil()) = 0 >= 0 = active(nil()) terms(mark(X)) = 4 >= 4 = terms(X) terms(active(X)) = 4 >= 4 = terms(X) cons(mark(X1),X2) = X2 >= X2 = cons(X1,X2) cons(X1,mark(X2)) = X2 + 0 >= X2 = cons(X1,X2) cons(active(X1),X2) = X2 >= X2 = cons(X1,X2) cons(X1,active(X2)) = X2 + 0 >= X2 = cons(X1,X2) recip(mark(X)) = 1X + 2 >= 1X + 2 = recip(X) recip(active(X)) = 1X + 2 >= 1X + 2 = recip(X) sqr(mark(X)) = 1X + 2 >= 1X + 2 = sqr(X) sqr(active(X)) = 1X + 2 >= 1X + 2 = sqr(X) s(mark(X)) = 5 >= 5 = s(X) s(active(X)) = 5 >= 5 = s(X) add(mark(X1),X2) = X1 + X2 + 0 >= X1 + X2 + 0 = add(X1,X2) add(X1,mark(X2)) = X1 + X2 + 0 >= X1 + X2 + 0 = add(X1,X2) add(active(X1),X2) = X1 + X2 + 0 >= X1 + X2 + 0 = add(X1,X2) add(X1,active(X2)) = X1 + X2 + 0 >= X1 + X2 + 0 = add(X1,X2) dbl(mark(X)) = 1X + 1 >= 1X + 1 = dbl(X) dbl(active(X)) = 1X + 1 >= 1X + 1 = dbl(X) first(mark(X1),X2) = X2 >= X2 = first(X1,X2) first(X1,mark(X2)) = X2 + 0 >= X2 = first(X1,X2) first(active(X1),X2) = X2 >= X2 = first(X1,X2) first(X1,active(X2)) = X2 + 0 >= X2 = first(X1,X2) problem: DPs: mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) active#(add(0(),X)) -> mark#(X) mark#(add(X1,X2)) -> mark#(X2) TRS: active(terms(N)) -> mark(cons(recip(sqr(N)),terms(s(N)))) active(sqr(0())) -> mark(0()) active(sqr(s(X))) -> mark(s(add(sqr(X),dbl(X)))) active(dbl(0())) -> mark(0()) active(dbl(s(X))) -> mark(s(s(dbl(X)))) active(add(0(),X)) -> mark(X) active(add(s(X),Y)) -> mark(s(add(X,Y))) active(first(0(),X)) -> mark(nil()) active(first(s(X),cons(Y,Z))) -> mark(cons(Y,first(X,Z))) mark(terms(X)) -> active(terms(mark(X))) mark(cons(X1,X2)) -> active(cons(mark(X1),X2)) mark(recip(X)) -> active(recip(mark(X))) mark(sqr(X)) -> active(sqr(mark(X))) mark(s(X)) -> active(s(X)) mark(0()) -> active(0()) mark(add(X1,X2)) -> active(add(mark(X1),mark(X2))) mark(dbl(X)) -> active(dbl(mark(X))) mark(first(X1,X2)) -> active(first(mark(X1),mark(X2))) mark(nil()) -> active(nil()) terms(mark(X)) -> terms(X) terms(active(X)) -> terms(X) cons(mark(X1),X2) -> cons(X1,X2) cons(X1,mark(X2)) -> cons(X1,X2) cons(active(X1),X2) -> cons(X1,X2) cons(X1,active(X2)) -> cons(X1,X2) recip(mark(X)) -> recip(X) recip(active(X)) -> recip(X) sqr(mark(X)) -> sqr(X) sqr(active(X)) -> sqr(X) s(mark(X)) -> s(X) s(active(X)) -> s(X) add(mark(X1),X2) -> add(X1,X2) add(X1,mark(X2)) -> add(X1,X2) add(active(X1),X2) -> add(X1,X2) add(X1,active(X2)) -> add(X1,X2) dbl(mark(X)) -> dbl(X) dbl(active(X)) -> dbl(X) first(mark(X1),X2) -> first(X1,X2) first(X1,mark(X2)) -> first(X1,X2) first(active(X1),X2) -> first(X1,X2) first(X1,active(X2)) -> first(X1,X2) Restore Modifier: DPs: mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) active#(add(0(),X)) -> mark#(X) mark#(add(X1,X2)) -> mark#(X2) TRS: active(terms(N)) -> mark(cons(recip(sqr(N)),terms(s(N)))) active(sqr(0())) -> mark(0()) active(sqr(s(X))) -> mark(s(add(sqr(X),dbl(X)))) active(dbl(0())) -> mark(0()) active(dbl(s(X))) -> mark(s(s(dbl(X)))) active(add(0(),X)) -> mark(X) active(add(s(X),Y)) -> mark(s(add(X,Y))) active(first(0(),X)) -> mark(nil()) active(first(s(X),cons(Y,Z))) -> mark(cons(Y,first(X,Z))) mark(terms(X)) -> active(terms(mark(X))) mark(cons(X1,X2)) -> active(cons(mark(X1),X2)) mark(recip(X)) -> active(recip(mark(X))) mark(sqr(X)) -> active(sqr(mark(X))) mark(s(X)) -> active(s(X)) mark(0()) -> active(0()) mark(add(X1,X2)) -> active(add(mark(X1),mark(X2))) mark(dbl(X)) -> active(dbl(mark(X))) mark(first(X1,X2)) -> active(first(mark(X1),mark(X2))) mark(nil()) -> active(nil()) terms(mark(X)) -> terms(X) terms(active(X)) -> terms(X) cons(mark(X1),X2) -> cons(X1,X2) cons(X1,mark(X2)) -> cons(X1,X2) cons(active(X1),X2) -> cons(X1,X2) cons(X1,active(X2)) -> cons(X1,X2) recip(mark(X)) -> recip(X) recip(active(X)) -> recip(X) sqr(mark(X)) -> sqr(X) sqr(active(X)) -> sqr(X) s(mark(X)) -> s(X) s(active(X)) -> s(X) add(mark(X1),X2) -> add(X1,X2) add(X1,mark(X2)) -> add(X1,X2) add(active(X1),X2) -> add(X1,X2) add(X1,active(X2)) -> add(X1,X2) dbl(mark(X)) -> dbl(X) dbl(active(X)) -> dbl(X) first(mark(X1),X2) -> first(X1,X2) first(X1,mark(X2)) -> first(X1,X2) first(active(X1),X2) -> first(X1,X2) first(X1,active(X2)) -> first(X1,X2) KBO Processor: argument filtering: pi(terms) = [] pi(active) = 0 pi(sqr) = 0 pi(recip) = 0 pi(s) = [] pi(cons) = 1 pi(mark) = 0 pi(0) = [] pi(dbl) = [0] pi(add) = [1] pi(first) = [] pi(nil) = [] pi(active#) = 0 pi(mark#) = 0 usable rules: active(terms(N)) -> mark(cons(recip(sqr(N)),terms(s(N)))) active(sqr(0())) -> mark(0()) active(sqr(s(X))) -> mark(s(add(sqr(X),dbl(X)))) active(dbl(0())) -> mark(0()) active(dbl(s(X))) -> mark(s(s(dbl(X)))) active(add(0(),X)) -> mark(X) active(add(s(X),Y)) -> mark(s(add(X,Y))) active(first(0(),X)) -> mark(nil()) active(first(s(X),cons(Y,Z))) -> mark(cons(Y,first(X,Z))) mark(terms(X)) -> active(terms(mark(X))) mark(cons(X1,X2)) -> active(cons(mark(X1),X2)) mark(recip(X)) -> active(recip(mark(X))) mark(sqr(X)) -> active(sqr(mark(X))) mark(s(X)) -> active(s(X)) mark(0()) -> active(0()) mark(add(X1,X2)) -> active(add(mark(X1),mark(X2))) mark(dbl(X)) -> active(dbl(mark(X))) mark(first(X1,X2)) -> active(first(mark(X1),mark(X2))) mark(nil()) -> active(nil()) terms(mark(X)) -> terms(X) terms(active(X)) -> terms(X) cons(mark(X1),X2) -> cons(X1,X2) cons(X1,mark(X2)) -> cons(X1,X2) cons(active(X1),X2) -> cons(X1,X2) cons(X1,active(X2)) -> cons(X1,X2) recip(mark(X)) -> recip(X) recip(active(X)) -> recip(X) sqr(mark(X)) -> sqr(X) sqr(active(X)) -> sqr(X) s(mark(X)) -> s(X) s(active(X)) -> s(X) add(mark(X1),X2) -> add(X1,X2) add(X1,mark(X2)) -> add(X1,X2) add(active(X1),X2) -> add(X1,X2) add(X1,active(X2)) -> add(X1,X2) dbl(mark(X)) -> dbl(X) dbl(active(X)) -> dbl(X) first(mark(X1),X2) -> first(X1,X2) first(X1,mark(X2)) -> first(X1,X2) first(active(X1),X2) -> first(X1,X2) first(X1,active(X2)) -> first(X1,X2) weight function: w0 = 1 w(nil) = w(first) = w(add) = w(dbl) = w(0) = w(cons) = w( s) = w(sqr) = w(terms) = 1 w(mark#) = w(active#) = w(mark) = w(recip) = w(active) = 0 precedence: first > mark > active# > dbl > nil > recip > 0 > terms > cons > sqr > active > s > mark# > add problem: DPs: mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) TRS: active(terms(N)) -> mark(cons(recip(sqr(N)),terms(s(N)))) active(sqr(0())) -> mark(0()) active(sqr(s(X))) -> mark(s(add(sqr(X),dbl(X)))) active(dbl(0())) -> mark(0()) active(dbl(s(X))) -> mark(s(s(dbl(X)))) active(add(0(),X)) -> mark(X) active(add(s(X),Y)) -> mark(s(add(X,Y))) active(first(0(),X)) -> mark(nil()) active(first(s(X),cons(Y,Z))) -> mark(cons(Y,first(X,Z))) mark(terms(X)) -> active(terms(mark(X))) mark(cons(X1,X2)) -> active(cons(mark(X1),X2)) mark(recip(X)) -> active(recip(mark(X))) mark(sqr(X)) -> active(sqr(mark(X))) mark(s(X)) -> active(s(X)) mark(0()) -> active(0()) mark(add(X1,X2)) -> active(add(mark(X1),mark(X2))) mark(dbl(X)) -> active(dbl(mark(X))) mark(first(X1,X2)) -> active(first(mark(X1),mark(X2))) mark(nil()) -> active(nil()) terms(mark(X)) -> terms(X) terms(active(X)) -> terms(X) cons(mark(X1),X2) -> cons(X1,X2) cons(X1,mark(X2)) -> cons(X1,X2) cons(active(X1),X2) -> cons(X1,X2) cons(X1,active(X2)) -> cons(X1,X2) recip(mark(X)) -> recip(X) recip(active(X)) -> recip(X) sqr(mark(X)) -> sqr(X) sqr(active(X)) -> sqr(X) s(mark(X)) -> s(X) s(active(X)) -> s(X) add(mark(X1),X2) -> add(X1,X2) add(X1,mark(X2)) -> add(X1,X2) add(active(X1),X2) -> add(X1,X2) add(X1,active(X2)) -> add(X1,X2) dbl(mark(X)) -> dbl(X) dbl(active(X)) -> dbl(X) first(mark(X1),X2) -> first(X1,X2) first(X1,mark(X2)) -> first(X1,X2) first(active(X1),X2) -> first(X1,X2) first(X1,active(X2)) -> first(X1,X2) Restore Modifier: DPs: mark#(add(X1,X2)) -> active#(add(mark(X1),mark(X2))) TRS: active(terms(N)) -> mark(cons(recip(sqr(N)),terms(s(N)))) active(sqr(0())) -> mark(0()) active(sqr(s(X))) -> mark(s(add(sqr(X),dbl(X)))) active(dbl(0())) -> mark(0()) active(dbl(s(X))) -> mark(s(s(dbl(X)))) active(add(0(),X)) -> mark(X) active(add(s(X),Y)) -> mark(s(add(X,Y))) active(first(0(),X)) -> mark(nil()) active(first(s(X),cons(Y,Z))) -> mark(cons(Y,first(X,Z))) mark(terms(X)) -> active(terms(mark(X))) mark(cons(X1,X2)) -> active(cons(mark(X1),X2)) mark(recip(X)) -> active(recip(mark(X))) mark(sqr(X)) -> active(sqr(mark(X))) mark(s(X)) -> active(s(X)) mark(0()) -> active(0()) mark(add(X1,X2)) -> active(add(mark(X1),mark(X2))) mark(dbl(X)) -> active(dbl(mark(X))) mark(first(X1,X2)) -> active(first(mark(X1),mark(X2))) mark(nil()) -> active(nil()) terms(mark(X)) -> terms(X) terms(active(X)) -> terms(X) cons(mark(X1),X2) -> cons(X1,X2) cons(X1,mark(X2)) -> cons(X1,X2) cons(active(X1),X2) -> cons(X1,X2) cons(X1,active(X2)) -> cons(X1,X2) recip(mark(X)) -> recip(X) recip(active(X)) -> recip(X) sqr(mark(X)) -> sqr(X) sqr(active(X)) -> sqr(X) s(mark(X)) -> s(X) s(active(X)) -> s(X) add(mark(X1),X2) -> add(X1,X2) add(X1,mark(X2)) -> add(X1,X2) add(active(X1),X2) -> add(X1,X2) add(X1,active(X2)) -> add(X1,X2) dbl(mark(X)) -> dbl(X) dbl(active(X)) -> dbl(X) first(mark(X1),X2) -> first(X1,X2) first(X1,mark(X2)) -> first(X1,X2) first(active(X1),X2) -> first(X1,X2) first(X1,active(X2)) -> first(X1,X2) SCC Processor: #sccs: 0 #rules: 0 #arcs: 26/1 DPs: cons#(mark(X1),X2) -> cons#(X1,X2) cons#(X1,mark(X2)) -> cons#(X1,X2) cons#(active(X1),X2) -> cons#(X1,X2) cons#(X1,active(X2)) -> cons#(X1,X2) TRS: active(terms(N)) -> mark(cons(recip(sqr(N)),terms(s(N)))) active(sqr(0())) -> mark(0()) active(sqr(s(X))) -> mark(s(add(sqr(X),dbl(X)))) active(dbl(0())) -> mark(0()) active(dbl(s(X))) -> mark(s(s(dbl(X)))) active(add(0(),X)) -> mark(X) active(add(s(X),Y)) -> mark(s(add(X,Y))) active(first(0(),X)) -> mark(nil()) active(first(s(X),cons(Y,Z))) -> mark(cons(Y,first(X,Z))) mark(terms(X)) -> active(terms(mark(X))) mark(cons(X1,X2)) -> active(cons(mark(X1),X2)) mark(recip(X)) -> active(recip(mark(X))) mark(sqr(X)) -> active(sqr(mark(X))) mark(s(X)) -> active(s(X)) mark(0()) -> active(0()) mark(add(X1,X2)) -> active(add(mark(X1),mark(X2))) mark(dbl(X)) -> active(dbl(mark(X))) mark(first(X1,X2)) -> active(first(mark(X1),mark(X2))) mark(nil()) -> active(nil()) terms(mark(X)) -> terms(X) terms(active(X)) -> terms(X) cons(mark(X1),X2) -> cons(X1,X2) cons(X1,mark(X2)) -> cons(X1,X2) cons(active(X1),X2) -> cons(X1,X2) cons(X1,active(X2)) -> cons(X1,X2) recip(mark(X)) -> recip(X) recip(active(X)) -> recip(X) sqr(mark(X)) -> sqr(X) sqr(active(X)) -> sqr(X) s(mark(X)) -> s(X) s(active(X)) -> s(X) add(mark(X1),X2) -> add(X1,X2) add(X1,mark(X2)) -> add(X1,X2) add(active(X1),X2) -> add(X1,X2) add(X1,active(X2)) -> add(X1,X2) dbl(mark(X)) -> dbl(X) dbl(active(X)) -> dbl(X) first(mark(X1),X2) -> first(X1,X2) first(X1,mark(X2)) -> first(X1,X2) first(active(X1),X2) -> first(X1,X2) first(X1,active(X2)) -> first(X1,X2) Subterm Criterion Processor: simple projection: pi(cons#) = 0 problem: DPs: cons#(X1,mark(X2)) -> cons#(X1,X2) cons#(X1,active(X2)) -> cons#(X1,X2) TRS: active(terms(N)) -> mark(cons(recip(sqr(N)),terms(s(N)))) active(sqr(0())) -> mark(0()) active(sqr(s(X))) -> mark(s(add(sqr(X),dbl(X)))) active(dbl(0())) -> mark(0()) active(dbl(s(X))) -> mark(s(s(dbl(X)))) active(add(0(),X)) -> mark(X) active(add(s(X),Y)) -> mark(s(add(X,Y))) active(first(0(),X)) -> mark(nil()) active(first(s(X),cons(Y,Z))) -> mark(cons(Y,first(X,Z))) mark(terms(X)) -> active(terms(mark(X))) mark(cons(X1,X2)) -> active(cons(mark(X1),X2)) mark(recip(X)) -> active(recip(mark(X))) mark(sqr(X)) -> active(sqr(mark(X))) mark(s(X)) -> active(s(X)) mark(0()) -> active(0()) mark(add(X1,X2)) -> active(add(mark(X1),mark(X2))) mark(dbl(X)) -> active(dbl(mark(X))) mark(first(X1,X2)) -> active(first(mark(X1),mark(X2))) mark(nil()) -> active(nil()) terms(mark(X)) -> terms(X) terms(active(X)) -> terms(X) cons(mark(X1),X2) -> cons(X1,X2) cons(X1,mark(X2)) -> cons(X1,X2) cons(active(X1),X2) -> cons(X1,X2) cons(X1,active(X2)) -> cons(X1,X2) recip(mark(X)) -> recip(X) recip(active(X)) -> recip(X) sqr(mark(X)) -> sqr(X) sqr(active(X)) -> sqr(X) s(mark(X)) -> s(X) s(active(X)) -> s(X) add(mark(X1),X2) -> add(X1,X2) add(X1,mark(X2)) -> add(X1,X2) add(active(X1),X2) -> add(X1,X2) add(X1,active(X2)) -> add(X1,X2) dbl(mark(X)) -> dbl(X) dbl(active(X)) -> dbl(X) first(mark(X1),X2) -> first(X1,X2) first(X1,mark(X2)) -> first(X1,X2) first(active(X1),X2) -> first(X1,X2) first(X1,active(X2)) -> first(X1,X2) Subterm Criterion Processor: simple projection: pi(cons#) = 1 problem: DPs: TRS: active(terms(N)) -> mark(cons(recip(sqr(N)),terms(s(N)))) active(sqr(0())) -> mark(0()) active(sqr(s(X))) -> mark(s(add(sqr(X),dbl(X)))) active(dbl(0())) -> mark(0()) active(dbl(s(X))) -> mark(s(s(dbl(X)))) active(add(0(),X)) -> mark(X) active(add(s(X),Y)) -> mark(s(add(X,Y))) active(first(0(),X)) -> mark(nil()) active(first(s(X),cons(Y,Z))) -> mark(cons(Y,first(X,Z))) mark(terms(X)) -> active(terms(mark(X))) mark(cons(X1,X2)) -> active(cons(mark(X1),X2)) mark(recip(X)) -> active(recip(mark(X))) mark(sqr(X)) -> active(sqr(mark(X))) mark(s(X)) -> active(s(X)) mark(0()) -> active(0()) mark(add(X1,X2)) -> active(add(mark(X1),mark(X2))) mark(dbl(X)) -> active(dbl(mark(X))) mark(first(X1,X2)) -> active(first(mark(X1),mark(X2))) mark(nil()) -> active(nil()) terms(mark(X)) -> terms(X) terms(active(X)) -> terms(X) cons(mark(X1),X2) -> cons(X1,X2) cons(X1,mark(X2)) -> cons(X1,X2) cons(active(X1),X2) -> cons(X1,X2) cons(X1,active(X2)) -> cons(X1,X2) recip(mark(X)) -> recip(X) recip(active(X)) -> recip(X) sqr(mark(X)) -> sqr(X) sqr(active(X)) -> sqr(X) s(mark(X)) -> s(X) s(active(X)) -> s(X) add(mark(X1),X2) -> add(X1,X2) add(X1,mark(X2)) -> add(X1,X2) add(active(X1),X2) -> add(X1,X2) add(X1,active(X2)) -> add(X1,X2) dbl(mark(X)) -> dbl(X) dbl(active(X)) -> dbl(X) first(mark(X1),X2) -> first(X1,X2) first(X1,mark(X2)) -> first(X1,X2) first(active(X1),X2) -> first(X1,X2) first(X1,active(X2)) -> first(X1,X2) Qed DPs: recip#(mark(X)) -> recip#(X) recip#(active(X)) -> recip#(X) TRS: active(terms(N)) -> mark(cons(recip(sqr(N)),terms(s(N)))) active(sqr(0())) -> mark(0()) active(sqr(s(X))) -> mark(s(add(sqr(X),dbl(X)))) active(dbl(0())) -> mark(0()) active(dbl(s(X))) -> mark(s(s(dbl(X)))) active(add(0(),X)) -> mark(X) active(add(s(X),Y)) -> mark(s(add(X,Y))) active(first(0(),X)) -> mark(nil()) active(first(s(X),cons(Y,Z))) -> mark(cons(Y,first(X,Z))) mark(terms(X)) -> active(terms(mark(X))) mark(cons(X1,X2)) -> active(cons(mark(X1),X2)) mark(recip(X)) -> active(recip(mark(X))) mark(sqr(X)) -> active(sqr(mark(X))) mark(s(X)) -> active(s(X)) mark(0()) -> active(0()) mark(add(X1,X2)) -> active(add(mark(X1),mark(X2))) mark(dbl(X)) -> active(dbl(mark(X))) mark(first(X1,X2)) -> active(first(mark(X1),mark(X2))) mark(nil()) -> active(nil()) terms(mark(X)) -> terms(X) terms(active(X)) -> terms(X) cons(mark(X1),X2) -> cons(X1,X2) cons(X1,mark(X2)) -> cons(X1,X2) cons(active(X1),X2) -> cons(X1,X2) cons(X1,active(X2)) -> cons(X1,X2) recip(mark(X)) -> recip(X) recip(active(X)) -> recip(X) sqr(mark(X)) -> sqr(X) sqr(active(X)) -> sqr(X) s(mark(X)) -> s(X) s(active(X)) -> s(X) add(mark(X1),X2) -> add(X1,X2) add(X1,mark(X2)) -> add(X1,X2) add(active(X1),X2) -> add(X1,X2) add(X1,active(X2)) -> add(X1,X2) dbl(mark(X)) -> dbl(X) dbl(active(X)) -> dbl(X) first(mark(X1),X2) -> first(X1,X2) first(X1,mark(X2)) -> first(X1,X2) first(active(X1),X2) -> first(X1,X2) first(X1,active(X2)) -> first(X1,X2) Subterm Criterion Processor: simple projection: pi(recip#) = 0 problem: DPs: TRS: active(terms(N)) -> mark(cons(recip(sqr(N)),terms(s(N)))) active(sqr(0())) -> mark(0()) active(sqr(s(X))) -> mark(s(add(sqr(X),dbl(X)))) active(dbl(0())) -> mark(0()) active(dbl(s(X))) -> mark(s(s(dbl(X)))) active(add(0(),X)) -> mark(X) active(add(s(X),Y)) -> mark(s(add(X,Y))) active(first(0(),X)) -> mark(nil()) active(first(s(X),cons(Y,Z))) -> mark(cons(Y,first(X,Z))) mark(terms(X)) -> active(terms(mark(X))) mark(cons(X1,X2)) -> active(cons(mark(X1),X2)) mark(recip(X)) -> active(recip(mark(X))) mark(sqr(X)) -> active(sqr(mark(X))) mark(s(X)) -> active(s(X)) mark(0()) -> active(0()) mark(add(X1,X2)) -> active(add(mark(X1),mark(X2))) mark(dbl(X)) -> active(dbl(mark(X))) mark(first(X1,X2)) -> active(first(mark(X1),mark(X2))) mark(nil()) -> active(nil()) terms(mark(X)) -> terms(X) terms(active(X)) -> terms(X) cons(mark(X1),X2) -> cons(X1,X2) cons(X1,mark(X2)) -> cons(X1,X2) cons(active(X1),X2) -> cons(X1,X2) cons(X1,active(X2)) -> cons(X1,X2) recip(mark(X)) -> recip(X) recip(active(X)) -> recip(X) sqr(mark(X)) -> sqr(X) sqr(active(X)) -> sqr(X) s(mark(X)) -> s(X) s(active(X)) -> s(X) add(mark(X1),X2) -> add(X1,X2) add(X1,mark(X2)) -> add(X1,X2) add(active(X1),X2) -> add(X1,X2) add(X1,active(X2)) -> add(X1,X2) dbl(mark(X)) -> dbl(X) dbl(active(X)) -> dbl(X) first(mark(X1),X2) -> first(X1,X2) first(X1,mark(X2)) -> first(X1,X2) first(active(X1),X2) -> first(X1,X2) first(X1,active(X2)) -> first(X1,X2) Qed DPs: sqr#(mark(X)) -> sqr#(X) sqr#(active(X)) -> sqr#(X) TRS: active(terms(N)) -> mark(cons(recip(sqr(N)),terms(s(N)))) active(sqr(0())) -> mark(0()) active(sqr(s(X))) -> mark(s(add(sqr(X),dbl(X)))) active(dbl(0())) -> mark(0()) active(dbl(s(X))) -> mark(s(s(dbl(X)))) active(add(0(),X)) -> mark(X) active(add(s(X),Y)) -> mark(s(add(X,Y))) active(first(0(),X)) -> mark(nil()) active(first(s(X),cons(Y,Z))) -> mark(cons(Y,first(X,Z))) mark(terms(X)) -> active(terms(mark(X))) mark(cons(X1,X2)) -> active(cons(mark(X1),X2)) mark(recip(X)) -> active(recip(mark(X))) mark(sqr(X)) -> active(sqr(mark(X))) mark(s(X)) -> active(s(X)) mark(0()) -> active(0()) mark(add(X1,X2)) -> active(add(mark(X1),mark(X2))) mark(dbl(X)) -> active(dbl(mark(X))) mark(first(X1,X2)) -> active(first(mark(X1),mark(X2))) mark(nil()) -> active(nil()) terms(mark(X)) -> terms(X) terms(active(X)) -> terms(X) cons(mark(X1),X2) -> cons(X1,X2) cons(X1,mark(X2)) -> cons(X1,X2) cons(active(X1),X2) -> cons(X1,X2) cons(X1,active(X2)) -> cons(X1,X2) recip(mark(X)) -> recip(X) recip(active(X)) -> recip(X) sqr(mark(X)) -> sqr(X) sqr(active(X)) -> sqr(X) s(mark(X)) -> s(X) s(active(X)) -> s(X) add(mark(X1),X2) -> add(X1,X2) add(X1,mark(X2)) -> add(X1,X2) add(active(X1),X2) -> add(X1,X2) add(X1,active(X2)) -> add(X1,X2) dbl(mark(X)) -> dbl(X) dbl(active(X)) -> dbl(X) first(mark(X1),X2) -> first(X1,X2) first(X1,mark(X2)) -> first(X1,X2) first(active(X1),X2) -> first(X1,X2) first(X1,active(X2)) -> first(X1,X2) Subterm Criterion Processor: simple projection: pi(sqr#) = 0 problem: DPs: TRS: active(terms(N)) -> mark(cons(recip(sqr(N)),terms(s(N)))) active(sqr(0())) -> mark(0()) active(sqr(s(X))) -> mark(s(add(sqr(X),dbl(X)))) active(dbl(0())) -> mark(0()) active(dbl(s(X))) -> mark(s(s(dbl(X)))) active(add(0(),X)) -> mark(X) active(add(s(X),Y)) -> mark(s(add(X,Y))) active(first(0(),X)) -> mark(nil()) active(first(s(X),cons(Y,Z))) -> mark(cons(Y,first(X,Z))) mark(terms(X)) -> active(terms(mark(X))) mark(cons(X1,X2)) -> active(cons(mark(X1),X2)) mark(recip(X)) -> active(recip(mark(X))) mark(sqr(X)) -> active(sqr(mark(X))) mark(s(X)) -> active(s(X)) mark(0()) -> active(0()) mark(add(X1,X2)) -> active(add(mark(X1),mark(X2))) mark(dbl(X)) -> active(dbl(mark(X))) mark(first(X1,X2)) -> active(first(mark(X1),mark(X2))) mark(nil()) -> active(nil()) terms(mark(X)) -> terms(X) terms(active(X)) -> terms(X) cons(mark(X1),X2) -> cons(X1,X2) cons(X1,mark(X2)) -> cons(X1,X2) cons(active(X1),X2) -> cons(X1,X2) cons(X1,active(X2)) -> cons(X1,X2) recip(mark(X)) -> recip(X) recip(active(X)) -> recip(X) sqr(mark(X)) -> sqr(X) sqr(active(X)) -> sqr(X) s(mark(X)) -> s(X) s(active(X)) -> s(X) add(mark(X1),X2) -> add(X1,X2) add(X1,mark(X2)) -> add(X1,X2) add(active(X1),X2) -> add(X1,X2) add(X1,active(X2)) -> add(X1,X2) dbl(mark(X)) -> dbl(X) dbl(active(X)) -> dbl(X) first(mark(X1),X2) -> first(X1,X2) first(X1,mark(X2)) -> first(X1,X2) first(active(X1),X2) -> first(X1,X2) first(X1,active(X2)) -> first(X1,X2) Qed DPs: terms#(mark(X)) -> terms#(X) terms#(active(X)) -> terms#(X) TRS: active(terms(N)) -> mark(cons(recip(sqr(N)),terms(s(N)))) active(sqr(0())) -> mark(0()) active(sqr(s(X))) -> mark(s(add(sqr(X),dbl(X)))) active(dbl(0())) -> mark(0()) active(dbl(s(X))) -> mark(s(s(dbl(X)))) active(add(0(),X)) -> mark(X) active(add(s(X),Y)) -> mark(s(add(X,Y))) active(first(0(),X)) -> mark(nil()) active(first(s(X),cons(Y,Z))) -> mark(cons(Y,first(X,Z))) mark(terms(X)) -> active(terms(mark(X))) mark(cons(X1,X2)) -> active(cons(mark(X1),X2)) mark(recip(X)) -> active(recip(mark(X))) mark(sqr(X)) -> active(sqr(mark(X))) mark(s(X)) -> active(s(X)) mark(0()) -> active(0()) mark(add(X1,X2)) -> active(add(mark(X1),mark(X2))) mark(dbl(X)) -> active(dbl(mark(X))) mark(first(X1,X2)) -> active(first(mark(X1),mark(X2))) mark(nil()) -> active(nil()) terms(mark(X)) -> terms(X) terms(active(X)) -> terms(X) cons(mark(X1),X2) -> cons(X1,X2) cons(X1,mark(X2)) -> cons(X1,X2) cons(active(X1),X2) -> cons(X1,X2) cons(X1,active(X2)) -> cons(X1,X2) recip(mark(X)) -> recip(X) recip(active(X)) -> recip(X) sqr(mark(X)) -> sqr(X) sqr(active(X)) -> sqr(X) s(mark(X)) -> s(X) s(active(X)) -> s(X) add(mark(X1),X2) -> add(X1,X2) add(X1,mark(X2)) -> add(X1,X2) add(active(X1),X2) -> add(X1,X2) add(X1,active(X2)) -> add(X1,X2) dbl(mark(X)) -> dbl(X) dbl(active(X)) -> dbl(X) first(mark(X1),X2) -> first(X1,X2) first(X1,mark(X2)) -> first(X1,X2) first(active(X1),X2) -> first(X1,X2) first(X1,active(X2)) -> first(X1,X2) Subterm Criterion Processor: simple projection: pi(terms#) = 0 problem: DPs: TRS: active(terms(N)) -> mark(cons(recip(sqr(N)),terms(s(N)))) active(sqr(0())) -> mark(0()) active(sqr(s(X))) -> mark(s(add(sqr(X),dbl(X)))) active(dbl(0())) -> mark(0()) active(dbl(s(X))) -> mark(s(s(dbl(X)))) active(add(0(),X)) -> mark(X) active(add(s(X),Y)) -> mark(s(add(X,Y))) active(first(0(),X)) -> mark(nil()) active(first(s(X),cons(Y,Z))) -> mark(cons(Y,first(X,Z))) mark(terms(X)) -> active(terms(mark(X))) mark(cons(X1,X2)) -> active(cons(mark(X1),X2)) mark(recip(X)) -> active(recip(mark(X))) mark(sqr(X)) -> active(sqr(mark(X))) mark(s(X)) -> active(s(X)) mark(0()) -> active(0()) mark(add(X1,X2)) -> active(add(mark(X1),mark(X2))) mark(dbl(X)) -> active(dbl(mark(X))) mark(first(X1,X2)) -> active(first(mark(X1),mark(X2))) mark(nil()) -> active(nil()) terms(mark(X)) -> terms(X) terms(active(X)) -> terms(X) cons(mark(X1),X2) -> cons(X1,X2) cons(X1,mark(X2)) -> cons(X1,X2) cons(active(X1),X2) -> cons(X1,X2) cons(X1,active(X2)) -> cons(X1,X2) recip(mark(X)) -> recip(X) recip(active(X)) -> recip(X) sqr(mark(X)) -> sqr(X) sqr(active(X)) -> sqr(X) s(mark(X)) -> s(X) s(active(X)) -> s(X) add(mark(X1),X2) -> add(X1,X2) add(X1,mark(X2)) -> add(X1,X2) add(active(X1),X2) -> add(X1,X2) add(X1,active(X2)) -> add(X1,X2) dbl(mark(X)) -> dbl(X) dbl(active(X)) -> dbl(X) first(mark(X1),X2) -> first(X1,X2) first(X1,mark(X2)) -> first(X1,X2) first(active(X1),X2) -> first(X1,X2) first(X1,active(X2)) -> first(X1,X2) Qed DPs: s#(mark(X)) -> s#(X) s#(active(X)) -> s#(X) TRS: active(terms(N)) -> mark(cons(recip(sqr(N)),terms(s(N)))) active(sqr(0())) -> mark(0()) active(sqr(s(X))) -> mark(s(add(sqr(X),dbl(X)))) active(dbl(0())) -> mark(0()) active(dbl(s(X))) -> mark(s(s(dbl(X)))) active(add(0(),X)) -> mark(X) active(add(s(X),Y)) -> mark(s(add(X,Y))) active(first(0(),X)) -> mark(nil()) active(first(s(X),cons(Y,Z))) -> mark(cons(Y,first(X,Z))) mark(terms(X)) -> active(terms(mark(X))) mark(cons(X1,X2)) -> active(cons(mark(X1),X2)) mark(recip(X)) -> active(recip(mark(X))) mark(sqr(X)) -> active(sqr(mark(X))) mark(s(X)) -> active(s(X)) mark(0()) -> active(0()) mark(add(X1,X2)) -> active(add(mark(X1),mark(X2))) mark(dbl(X)) -> active(dbl(mark(X))) mark(first(X1,X2)) -> active(first(mark(X1),mark(X2))) mark(nil()) -> active(nil()) terms(mark(X)) -> terms(X) terms(active(X)) -> terms(X) cons(mark(X1),X2) -> cons(X1,X2) cons(X1,mark(X2)) -> cons(X1,X2) cons(active(X1),X2) -> cons(X1,X2) cons(X1,active(X2)) -> cons(X1,X2) recip(mark(X)) -> recip(X) recip(active(X)) -> recip(X) sqr(mark(X)) -> sqr(X) sqr(active(X)) -> sqr(X) s(mark(X)) -> s(X) s(active(X)) -> s(X) add(mark(X1),X2) -> add(X1,X2) add(X1,mark(X2)) -> add(X1,X2) add(active(X1),X2) -> add(X1,X2) add(X1,active(X2)) -> add(X1,X2) dbl(mark(X)) -> dbl(X) dbl(active(X)) -> dbl(X) first(mark(X1),X2) -> first(X1,X2) first(X1,mark(X2)) -> first(X1,X2) first(active(X1),X2) -> first(X1,X2) first(X1,active(X2)) -> first(X1,X2) Subterm Criterion Processor: simple projection: pi(s#) = 0 problem: DPs: TRS: active(terms(N)) -> mark(cons(recip(sqr(N)),terms(s(N)))) active(sqr(0())) -> mark(0()) active(sqr(s(X))) -> mark(s(add(sqr(X),dbl(X)))) active(dbl(0())) -> mark(0()) active(dbl(s(X))) -> mark(s(s(dbl(X)))) active(add(0(),X)) -> mark(X) active(add(s(X),Y)) -> mark(s(add(X,Y))) active(first(0(),X)) -> mark(nil()) active(first(s(X),cons(Y,Z))) -> mark(cons(Y,first(X,Z))) mark(terms(X)) -> active(terms(mark(X))) mark(cons(X1,X2)) -> active(cons(mark(X1),X2)) mark(recip(X)) -> active(recip(mark(X))) mark(sqr(X)) -> active(sqr(mark(X))) mark(s(X)) -> active(s(X)) mark(0()) -> active(0()) mark(add(X1,X2)) -> active(add(mark(X1),mark(X2))) mark(dbl(X)) -> active(dbl(mark(X))) mark(first(X1,X2)) -> active(first(mark(X1),mark(X2))) mark(nil()) -> active(nil()) terms(mark(X)) -> terms(X) terms(active(X)) -> terms(X) cons(mark(X1),X2) -> cons(X1,X2) cons(X1,mark(X2)) -> cons(X1,X2) cons(active(X1),X2) -> cons(X1,X2) cons(X1,active(X2)) -> cons(X1,X2) recip(mark(X)) -> recip(X) recip(active(X)) -> recip(X) sqr(mark(X)) -> sqr(X) sqr(active(X)) -> sqr(X) s(mark(X)) -> s(X) s(active(X)) -> s(X) add(mark(X1),X2) -> add(X1,X2) add(X1,mark(X2)) -> add(X1,X2) add(active(X1),X2) -> add(X1,X2) add(X1,active(X2)) -> add(X1,X2) dbl(mark(X)) -> dbl(X) dbl(active(X)) -> dbl(X) first(mark(X1),X2) -> first(X1,X2) first(X1,mark(X2)) -> first(X1,X2) first(active(X1),X2) -> first(X1,X2) first(X1,active(X2)) -> first(X1,X2) Qed DPs: dbl#(mark(X)) -> dbl#(X) dbl#(active(X)) -> dbl#(X) TRS: active(terms(N)) -> mark(cons(recip(sqr(N)),terms(s(N)))) active(sqr(0())) -> mark(0()) active(sqr(s(X))) -> mark(s(add(sqr(X),dbl(X)))) active(dbl(0())) -> mark(0()) active(dbl(s(X))) -> mark(s(s(dbl(X)))) active(add(0(),X)) -> mark(X) active(add(s(X),Y)) -> mark(s(add(X,Y))) active(first(0(),X)) -> mark(nil()) active(first(s(X),cons(Y,Z))) -> mark(cons(Y,first(X,Z))) mark(terms(X)) -> active(terms(mark(X))) mark(cons(X1,X2)) -> active(cons(mark(X1),X2)) mark(recip(X)) -> active(recip(mark(X))) mark(sqr(X)) -> active(sqr(mark(X))) mark(s(X)) -> active(s(X)) mark(0()) -> active(0()) mark(add(X1,X2)) -> active(add(mark(X1),mark(X2))) mark(dbl(X)) -> active(dbl(mark(X))) mark(first(X1,X2)) -> active(first(mark(X1),mark(X2))) mark(nil()) -> active(nil()) terms(mark(X)) -> terms(X) terms(active(X)) -> terms(X) cons(mark(X1),X2) -> cons(X1,X2) cons(X1,mark(X2)) -> cons(X1,X2) cons(active(X1),X2) -> cons(X1,X2) cons(X1,active(X2)) -> cons(X1,X2) recip(mark(X)) -> recip(X) recip(active(X)) -> recip(X) sqr(mark(X)) -> sqr(X) sqr(active(X)) -> sqr(X) s(mark(X)) -> s(X) s(active(X)) -> s(X) add(mark(X1),X2) -> add(X1,X2) add(X1,mark(X2)) -> add(X1,X2) add(active(X1),X2) -> add(X1,X2) add(X1,active(X2)) -> add(X1,X2) dbl(mark(X)) -> dbl(X) dbl(active(X)) -> dbl(X) first(mark(X1),X2) -> first(X1,X2) first(X1,mark(X2)) -> first(X1,X2) first(active(X1),X2) -> first(X1,X2) first(X1,active(X2)) -> first(X1,X2) Subterm Criterion Processor: simple projection: pi(dbl#) = 0 problem: DPs: TRS: active(terms(N)) -> mark(cons(recip(sqr(N)),terms(s(N)))) active(sqr(0())) -> mark(0()) active(sqr(s(X))) -> mark(s(add(sqr(X),dbl(X)))) active(dbl(0())) -> mark(0()) active(dbl(s(X))) -> mark(s(s(dbl(X)))) active(add(0(),X)) -> mark(X) active(add(s(X),Y)) -> mark(s(add(X,Y))) active(first(0(),X)) -> mark(nil()) active(first(s(X),cons(Y,Z))) -> mark(cons(Y,first(X,Z))) mark(terms(X)) -> active(terms(mark(X))) mark(cons(X1,X2)) -> active(cons(mark(X1),X2)) mark(recip(X)) -> active(recip(mark(X))) mark(sqr(X)) -> active(sqr(mark(X))) mark(s(X)) -> active(s(X)) mark(0()) -> active(0()) mark(add(X1,X2)) -> active(add(mark(X1),mark(X2))) mark(dbl(X)) -> active(dbl(mark(X))) mark(first(X1,X2)) -> active(first(mark(X1),mark(X2))) mark(nil()) -> active(nil()) terms(mark(X)) -> terms(X) terms(active(X)) -> terms(X) cons(mark(X1),X2) -> cons(X1,X2) cons(X1,mark(X2)) -> cons(X1,X2) cons(active(X1),X2) -> cons(X1,X2) cons(X1,active(X2)) -> cons(X1,X2) recip(mark(X)) -> recip(X) recip(active(X)) -> recip(X) sqr(mark(X)) -> sqr(X) sqr(active(X)) -> sqr(X) s(mark(X)) -> s(X) s(active(X)) -> s(X) add(mark(X1),X2) -> add(X1,X2) add(X1,mark(X2)) -> add(X1,X2) add(active(X1),X2) -> add(X1,X2) add(X1,active(X2)) -> add(X1,X2) dbl(mark(X)) -> dbl(X) dbl(active(X)) -> dbl(X) first(mark(X1),X2) -> first(X1,X2) first(X1,mark(X2)) -> first(X1,X2) first(active(X1),X2) -> first(X1,X2) first(X1,active(X2)) -> first(X1,X2) Qed DPs: add#(mark(X1),X2) -> add#(X1,X2) add#(X1,mark(X2)) -> add#(X1,X2) add#(active(X1),X2) -> add#(X1,X2) add#(X1,active(X2)) -> add#(X1,X2) TRS: active(terms(N)) -> mark(cons(recip(sqr(N)),terms(s(N)))) active(sqr(0())) -> mark(0()) active(sqr(s(X))) -> mark(s(add(sqr(X),dbl(X)))) active(dbl(0())) -> mark(0()) active(dbl(s(X))) -> mark(s(s(dbl(X)))) active(add(0(),X)) -> mark(X) active(add(s(X),Y)) -> mark(s(add(X,Y))) active(first(0(),X)) -> mark(nil()) active(first(s(X),cons(Y,Z))) -> mark(cons(Y,first(X,Z))) mark(terms(X)) -> active(terms(mark(X))) mark(cons(X1,X2)) -> active(cons(mark(X1),X2)) mark(recip(X)) -> active(recip(mark(X))) mark(sqr(X)) -> active(sqr(mark(X))) mark(s(X)) -> active(s(X)) mark(0()) -> active(0()) mark(add(X1,X2)) -> active(add(mark(X1),mark(X2))) mark(dbl(X)) -> active(dbl(mark(X))) mark(first(X1,X2)) -> active(first(mark(X1),mark(X2))) mark(nil()) -> active(nil()) terms(mark(X)) -> terms(X) terms(active(X)) -> terms(X) cons(mark(X1),X2) -> cons(X1,X2) cons(X1,mark(X2)) -> cons(X1,X2) cons(active(X1),X2) -> cons(X1,X2) cons(X1,active(X2)) -> cons(X1,X2) recip(mark(X)) -> recip(X) recip(active(X)) -> recip(X) sqr(mark(X)) -> sqr(X) sqr(active(X)) -> sqr(X) s(mark(X)) -> s(X) s(active(X)) -> s(X) add(mark(X1),X2) -> add(X1,X2) add(X1,mark(X2)) -> add(X1,X2) add(active(X1),X2) -> add(X1,X2) add(X1,active(X2)) -> add(X1,X2) dbl(mark(X)) -> dbl(X) dbl(active(X)) -> dbl(X) first(mark(X1),X2) -> first(X1,X2) first(X1,mark(X2)) -> first(X1,X2) first(active(X1),X2) -> first(X1,X2) first(X1,active(X2)) -> first(X1,X2) Subterm Criterion Processor: simple projection: pi(add#) = 0 problem: DPs: add#(X1,mark(X2)) -> add#(X1,X2) add#(X1,active(X2)) -> add#(X1,X2) TRS: active(terms(N)) -> mark(cons(recip(sqr(N)),terms(s(N)))) active(sqr(0())) -> mark(0()) active(sqr(s(X))) -> mark(s(add(sqr(X),dbl(X)))) active(dbl(0())) -> mark(0()) active(dbl(s(X))) -> mark(s(s(dbl(X)))) active(add(0(),X)) -> mark(X) active(add(s(X),Y)) -> mark(s(add(X,Y))) active(first(0(),X)) -> mark(nil()) active(first(s(X),cons(Y,Z))) -> mark(cons(Y,first(X,Z))) mark(terms(X)) -> active(terms(mark(X))) mark(cons(X1,X2)) -> active(cons(mark(X1),X2)) mark(recip(X)) -> active(recip(mark(X))) mark(sqr(X)) -> active(sqr(mark(X))) mark(s(X)) -> active(s(X)) mark(0()) -> active(0()) mark(add(X1,X2)) -> active(add(mark(X1),mark(X2))) mark(dbl(X)) -> active(dbl(mark(X))) mark(first(X1,X2)) -> active(first(mark(X1),mark(X2))) mark(nil()) -> active(nil()) terms(mark(X)) -> terms(X) terms(active(X)) -> terms(X) cons(mark(X1),X2) -> cons(X1,X2) cons(X1,mark(X2)) -> cons(X1,X2) cons(active(X1),X2) -> cons(X1,X2) cons(X1,active(X2)) -> cons(X1,X2) recip(mark(X)) -> recip(X) recip(active(X)) -> recip(X) sqr(mark(X)) -> sqr(X) sqr(active(X)) -> sqr(X) s(mark(X)) -> s(X) s(active(X)) -> s(X) add(mark(X1),X2) -> add(X1,X2) add(X1,mark(X2)) -> add(X1,X2) add(active(X1),X2) -> add(X1,X2) add(X1,active(X2)) -> add(X1,X2) dbl(mark(X)) -> dbl(X) dbl(active(X)) -> dbl(X) first(mark(X1),X2) -> first(X1,X2) first(X1,mark(X2)) -> first(X1,X2) first(active(X1),X2) -> first(X1,X2) first(X1,active(X2)) -> first(X1,X2) Subterm Criterion Processor: simple projection: pi(add#) = 1 problem: DPs: TRS: active(terms(N)) -> mark(cons(recip(sqr(N)),terms(s(N)))) active(sqr(0())) -> mark(0()) active(sqr(s(X))) -> mark(s(add(sqr(X),dbl(X)))) active(dbl(0())) -> mark(0()) active(dbl(s(X))) -> mark(s(s(dbl(X)))) active(add(0(),X)) -> mark(X) active(add(s(X),Y)) -> mark(s(add(X,Y))) active(first(0(),X)) -> mark(nil()) active(first(s(X),cons(Y,Z))) -> mark(cons(Y,first(X,Z))) mark(terms(X)) -> active(terms(mark(X))) mark(cons(X1,X2)) -> active(cons(mark(X1),X2)) mark(recip(X)) -> active(recip(mark(X))) mark(sqr(X)) -> active(sqr(mark(X))) mark(s(X)) -> active(s(X)) mark(0()) -> active(0()) mark(add(X1,X2)) -> active(add(mark(X1),mark(X2))) mark(dbl(X)) -> active(dbl(mark(X))) mark(first(X1,X2)) -> active(first(mark(X1),mark(X2))) mark(nil()) -> active(nil()) terms(mark(X)) -> terms(X) terms(active(X)) -> terms(X) cons(mark(X1),X2) -> cons(X1,X2) cons(X1,mark(X2)) -> cons(X1,X2) cons(active(X1),X2) -> cons(X1,X2) cons(X1,active(X2)) -> cons(X1,X2) recip(mark(X)) -> recip(X) recip(active(X)) -> recip(X) sqr(mark(X)) -> sqr(X) sqr(active(X)) -> sqr(X) s(mark(X)) -> s(X) s(active(X)) -> s(X) add(mark(X1),X2) -> add(X1,X2) add(X1,mark(X2)) -> add(X1,X2) add(active(X1),X2) -> add(X1,X2) add(X1,active(X2)) -> add(X1,X2) dbl(mark(X)) -> dbl(X) dbl(active(X)) -> dbl(X) first(mark(X1),X2) -> first(X1,X2) first(X1,mark(X2)) -> first(X1,X2) first(active(X1),X2) -> first(X1,X2) first(X1,active(X2)) -> first(X1,X2) Qed DPs: first#(mark(X1),X2) -> first#(X1,X2) first#(X1,mark(X2)) -> first#(X1,X2) first#(active(X1),X2) -> first#(X1,X2) first#(X1,active(X2)) -> first#(X1,X2) TRS: active(terms(N)) -> mark(cons(recip(sqr(N)),terms(s(N)))) active(sqr(0())) -> mark(0()) active(sqr(s(X))) -> mark(s(add(sqr(X),dbl(X)))) active(dbl(0())) -> mark(0()) active(dbl(s(X))) -> mark(s(s(dbl(X)))) active(add(0(),X)) -> mark(X) active(add(s(X),Y)) -> mark(s(add(X,Y))) active(first(0(),X)) -> mark(nil()) active(first(s(X),cons(Y,Z))) -> mark(cons(Y,first(X,Z))) mark(terms(X)) -> active(terms(mark(X))) mark(cons(X1,X2)) -> active(cons(mark(X1),X2)) mark(recip(X)) -> active(recip(mark(X))) mark(sqr(X)) -> active(sqr(mark(X))) mark(s(X)) -> active(s(X)) mark(0()) -> active(0()) mark(add(X1,X2)) -> active(add(mark(X1),mark(X2))) mark(dbl(X)) -> active(dbl(mark(X))) mark(first(X1,X2)) -> active(first(mark(X1),mark(X2))) mark(nil()) -> active(nil()) terms(mark(X)) -> terms(X) terms(active(X)) -> terms(X) cons(mark(X1),X2) -> cons(X1,X2) cons(X1,mark(X2)) -> cons(X1,X2) cons(active(X1),X2) -> cons(X1,X2) cons(X1,active(X2)) -> cons(X1,X2) recip(mark(X)) -> recip(X) recip(active(X)) -> recip(X) sqr(mark(X)) -> sqr(X) sqr(active(X)) -> sqr(X) s(mark(X)) -> s(X) s(active(X)) -> s(X) add(mark(X1),X2) -> add(X1,X2) add(X1,mark(X2)) -> add(X1,X2) add(active(X1),X2) -> add(X1,X2) add(X1,active(X2)) -> add(X1,X2) dbl(mark(X)) -> dbl(X) dbl(active(X)) -> dbl(X) first(mark(X1),X2) -> first(X1,X2) first(X1,mark(X2)) -> first(X1,X2) first(active(X1),X2) -> first(X1,X2) first(X1,active(X2)) -> first(X1,X2) Subterm Criterion Processor: simple projection: pi(first#) = 0 problem: DPs: first#(X1,mark(X2)) -> first#(X1,X2) first#(X1,active(X2)) -> first#(X1,X2) TRS: active(terms(N)) -> mark(cons(recip(sqr(N)),terms(s(N)))) active(sqr(0())) -> mark(0()) active(sqr(s(X))) -> mark(s(add(sqr(X),dbl(X)))) active(dbl(0())) -> mark(0()) active(dbl(s(X))) -> mark(s(s(dbl(X)))) active(add(0(),X)) -> mark(X) active(add(s(X),Y)) -> mark(s(add(X,Y))) active(first(0(),X)) -> mark(nil()) active(first(s(X),cons(Y,Z))) -> mark(cons(Y,first(X,Z))) mark(terms(X)) -> active(terms(mark(X))) mark(cons(X1,X2)) -> active(cons(mark(X1),X2)) mark(recip(X)) -> active(recip(mark(X))) mark(sqr(X)) -> active(sqr(mark(X))) mark(s(X)) -> active(s(X)) mark(0()) -> active(0()) mark(add(X1,X2)) -> active(add(mark(X1),mark(X2))) mark(dbl(X)) -> active(dbl(mark(X))) mark(first(X1,X2)) -> active(first(mark(X1),mark(X2))) mark(nil()) -> active(nil()) terms(mark(X)) -> terms(X) terms(active(X)) -> terms(X) cons(mark(X1),X2) -> cons(X1,X2) cons(X1,mark(X2)) -> cons(X1,X2) cons(active(X1),X2) -> cons(X1,X2) cons(X1,active(X2)) -> cons(X1,X2) recip(mark(X)) -> recip(X) recip(active(X)) -> recip(X) sqr(mark(X)) -> sqr(X) sqr(active(X)) -> sqr(X) s(mark(X)) -> s(X) s(active(X)) -> s(X) add(mark(X1),X2) -> add(X1,X2) add(X1,mark(X2)) -> add(X1,X2) add(active(X1),X2) -> add(X1,X2) add(X1,active(X2)) -> add(X1,X2) dbl(mark(X)) -> dbl(X) dbl(active(X)) -> dbl(X) first(mark(X1),X2) -> first(X1,X2) first(X1,mark(X2)) -> first(X1,X2) first(active(X1),X2) -> first(X1,X2) first(X1,active(X2)) -> first(X1,X2) Subterm Criterion Processor: simple projection: pi(first#) = 1 problem: DPs: TRS: active(terms(N)) -> mark(cons(recip(sqr(N)),terms(s(N)))) active(sqr(0())) -> mark(0()) active(sqr(s(X))) -> mark(s(add(sqr(X),dbl(X)))) active(dbl(0())) -> mark(0()) active(dbl(s(X))) -> mark(s(s(dbl(X)))) active(add(0(),X)) -> mark(X) active(add(s(X),Y)) -> mark(s(add(X,Y))) active(first(0(),X)) -> mark(nil()) active(first(s(X),cons(Y,Z))) -> mark(cons(Y,first(X,Z))) mark(terms(X)) -> active(terms(mark(X))) mark(cons(X1,X2)) -> active(cons(mark(X1),X2)) mark(recip(X)) -> active(recip(mark(X))) mark(sqr(X)) -> active(sqr(mark(X))) mark(s(X)) -> active(s(X)) mark(0()) -> active(0()) mark(add(X1,X2)) -> active(add(mark(X1),mark(X2))) mark(dbl(X)) -> active(dbl(mark(X))) mark(first(X1,X2)) -> active(first(mark(X1),mark(X2))) mark(nil()) -> active(nil()) terms(mark(X)) -> terms(X) terms(active(X)) -> terms(X) cons(mark(X1),X2) -> cons(X1,X2) cons(X1,mark(X2)) -> cons(X1,X2) cons(active(X1),X2) -> cons(X1,X2) cons(X1,active(X2)) -> cons(X1,X2) recip(mark(X)) -> recip(X) recip(active(X)) -> recip(X) sqr(mark(X)) -> sqr(X) sqr(active(X)) -> sqr(X) s(mark(X)) -> s(X) s(active(X)) -> s(X) add(mark(X1),X2) -> add(X1,X2) add(X1,mark(X2)) -> add(X1,X2) add(active(X1),X2) -> add(X1,X2) add(X1,active(X2)) -> add(X1,X2) dbl(mark(X)) -> dbl(X) dbl(active(X)) -> dbl(X) first(mark(X1),X2) -> first(X1,X2) first(X1,mark(X2)) -> first(X1,X2) first(active(X1),X2) -> first(X1,X2) first(X1,active(X2)) -> first(X1,X2) Qed