* Step 1: Sum WORST_CASE(Omega(n^1),?)
    + Considered Problem:
        - Strict TRS:
            0() -> n__0()
            U11(tt(),V1) -> U12(isNatList(activate(V1)))
            U12(tt()) -> tt()
            U21(tt(),V1) -> U22(isNat(activate(V1)))
            U22(tt()) -> tt()
            U31(tt(),V) -> U32(isNatList(activate(V)))
            U32(tt()) -> tt()
            U41(tt(),V1,V2) -> U42(isNat(activate(V1)),activate(V2))
            U42(tt(),V2) -> U43(isNatIList(activate(V2)))
            U43(tt()) -> tt()
            U51(tt(),V1,V2) -> U52(isNat(activate(V1)),activate(V2))
            U52(tt(),V2) -> U53(isNatList(activate(V2)))
            U53(tt()) -> tt()
            U61(tt(),V1,V2) -> U62(isNat(activate(V1)),activate(V2))
            U62(tt(),V2) -> U63(isNatIList(activate(V2)))
            U63(tt()) -> tt()
            U71(tt(),L) -> s(length(activate(L)))
            U81(tt()) -> nil()
            U91(tt(),IL,M,N) -> cons(activate(N),n__take(activate(M),activate(IL)))
            activate(X) -> X
            activate(n__0()) -> 0()
            activate(n__and(X1,X2)) -> and(activate(X1),X2)
            activate(n__cons(X1,X2)) -> cons(activate(X1),X2)
            activate(n__isNat(X)) -> isNat(X)
            activate(n__isNatIListKind(X)) -> isNatIListKind(X)
            activate(n__isNatKind(X)) -> isNatKind(X)
            activate(n__length(X)) -> length(activate(X))
            activate(n__nil()) -> nil()
            activate(n__s(X)) -> s(activate(X))
            activate(n__take(X1,X2)) -> take(activate(X1),activate(X2))
            activate(n__zeros()) -> zeros()
            and(X1,X2) -> n__and(X1,X2)
            and(tt(),X) -> activate(X)
            cons(X1,X2) -> n__cons(X1,X2)
            isNat(X) -> n__isNat(X)
            isNat(n__0()) -> tt()
            isNat(n__length(V1)) -> U11(isNatIListKind(activate(V1)),activate(V1))
            isNat(n__s(V1)) -> U21(isNatKind(activate(V1)),activate(V1))
            isNatIList(V) -> U31(isNatIListKind(activate(V)),activate(V))
            isNatIList(n__cons(V1,V2)) -> U41(and(isNatKind(activate(V1)),n__isNatIListKind(activate(V2)))
                                             ,activate(V1)
                                             ,activate(V2))
            isNatIList(n__zeros()) -> tt()
            isNatIListKind(X) -> n__isNatIListKind(X)
            isNatIListKind(n__cons(V1,V2)) -> and(isNatKind(activate(V1)),n__isNatIListKind(activate(V2)))
            isNatIListKind(n__nil()) -> tt()
            isNatIListKind(n__take(V1,V2)) -> and(isNatKind(activate(V1)),n__isNatIListKind(activate(V2)))
            isNatIListKind(n__zeros()) -> tt()
            isNatKind(X) -> n__isNatKind(X)
            isNatKind(n__0()) -> tt()
            isNatKind(n__length(V1)) -> isNatIListKind(activate(V1))
            isNatKind(n__s(V1)) -> isNatKind(activate(V1))
            isNatList(n__cons(V1,V2)) -> U51(and(isNatKind(activate(V1)),n__isNatIListKind(activate(V2)))
                                            ,activate(V1)
                                            ,activate(V2))
            isNatList(n__nil()) -> tt()
            isNatList(n__take(V1,V2)) -> U61(and(isNatKind(activate(V1)),n__isNatIListKind(activate(V2)))
                                            ,activate(V1)
                                            ,activate(V2))
            length(X) -> n__length(X)
            length(cons(N,L)) -> U71(and(and(isNatList(activate(L)),n__isNatIListKind(activate(L)))
                                        ,n__and(n__isNat(N),n__isNatKind(N)))
                                    ,activate(L))
            length(nil()) -> 0()
            nil() -> n__nil()
            s(X) -> n__s(X)
            take(X1,X2) -> n__take(X1,X2)
            take(0(),IL) -> U81(and(isNatIList(IL),n__isNatIListKind(IL)))
            take(s(M),cons(N,IL)) -> U91(and(and(isNatIList(activate(IL)),n__isNatIListKind(activate(IL)))
                                            ,n__and(n__and(n__isNat(M),n__isNatKind(M))
                                                   ,n__and(n__isNat(N),n__isNatKind(N))))
                                        ,activate(IL)
                                        ,M
                                        ,N)
            zeros() -> cons(0(),n__zeros())
            zeros() -> n__zeros()
        - Signature:
            {0/0,U11/2,U12/1,U21/2,U22/1,U31/2,U32/1,U41/3,U42/2,U43/1,U51/3,U52/2,U53/1,U61/3,U62/2,U63/1,U71/2,U81/1
            ,U91/4,activate/1,and/2,cons/2,isNat/1,isNatIList/1,isNatIListKind/1,isNatKind/1,isNatList/1,length/1,nil/0
            ,s/1,take/2,zeros/0} / {n__0/0,n__and/2,n__cons/2,n__isNat/1,n__isNatIListKind/1,n__isNatKind/1,n__length/1
            ,n__nil/0,n__s/1,n__take/2,n__zeros/0,tt/0}
        - Obligation:
            innermost runtime complexity wrt. defined symbols {0,U11,U12,U21,U22,U31,U32,U41,U42,U43,U51,U52,U53,U61,U62
            ,U63,U71,U81,U91,activate,and,cons,isNat,isNatIList,isNatIListKind,isNatKind,isNatList,length,nil,s,take
            ,zeros} and constructors {n__0,n__and,n__cons,n__isNat,n__isNatIListKind,n__isNatKind,n__length,n__nil,n__s
            ,n__take,n__zeros,tt}
    + Applied Processor:
        Sum {left = someStrategy, right = someStrategy}
    + Details:
        ()
* Step 2: DecreasingLoops WORST_CASE(Omega(n^1),?)
    + Considered Problem:
        - Strict TRS:
            0() -> n__0()
            U11(tt(),V1) -> U12(isNatList(activate(V1)))
            U12(tt()) -> tt()
            U21(tt(),V1) -> U22(isNat(activate(V1)))
            U22(tt()) -> tt()
            U31(tt(),V) -> U32(isNatList(activate(V)))
            U32(tt()) -> tt()
            U41(tt(),V1,V2) -> U42(isNat(activate(V1)),activate(V2))
            U42(tt(),V2) -> U43(isNatIList(activate(V2)))
            U43(tt()) -> tt()
            U51(tt(),V1,V2) -> U52(isNat(activate(V1)),activate(V2))
            U52(tt(),V2) -> U53(isNatList(activate(V2)))
            U53(tt()) -> tt()
            U61(tt(),V1,V2) -> U62(isNat(activate(V1)),activate(V2))
            U62(tt(),V2) -> U63(isNatIList(activate(V2)))
            U63(tt()) -> tt()
            U71(tt(),L) -> s(length(activate(L)))
            U81(tt()) -> nil()
            U91(tt(),IL,M,N) -> cons(activate(N),n__take(activate(M),activate(IL)))
            activate(X) -> X
            activate(n__0()) -> 0()
            activate(n__and(X1,X2)) -> and(activate(X1),X2)
            activate(n__cons(X1,X2)) -> cons(activate(X1),X2)
            activate(n__isNat(X)) -> isNat(X)
            activate(n__isNatIListKind(X)) -> isNatIListKind(X)
            activate(n__isNatKind(X)) -> isNatKind(X)
            activate(n__length(X)) -> length(activate(X))
            activate(n__nil()) -> nil()
            activate(n__s(X)) -> s(activate(X))
            activate(n__take(X1,X2)) -> take(activate(X1),activate(X2))
            activate(n__zeros()) -> zeros()
            and(X1,X2) -> n__and(X1,X2)
            and(tt(),X) -> activate(X)
            cons(X1,X2) -> n__cons(X1,X2)
            isNat(X) -> n__isNat(X)
            isNat(n__0()) -> tt()
            isNat(n__length(V1)) -> U11(isNatIListKind(activate(V1)),activate(V1))
            isNat(n__s(V1)) -> U21(isNatKind(activate(V1)),activate(V1))
            isNatIList(V) -> U31(isNatIListKind(activate(V)),activate(V))
            isNatIList(n__cons(V1,V2)) -> U41(and(isNatKind(activate(V1)),n__isNatIListKind(activate(V2)))
                                             ,activate(V1)
                                             ,activate(V2))
            isNatIList(n__zeros()) -> tt()
            isNatIListKind(X) -> n__isNatIListKind(X)
            isNatIListKind(n__cons(V1,V2)) -> and(isNatKind(activate(V1)),n__isNatIListKind(activate(V2)))
            isNatIListKind(n__nil()) -> tt()
            isNatIListKind(n__take(V1,V2)) -> and(isNatKind(activate(V1)),n__isNatIListKind(activate(V2)))
            isNatIListKind(n__zeros()) -> tt()
            isNatKind(X) -> n__isNatKind(X)
            isNatKind(n__0()) -> tt()
            isNatKind(n__length(V1)) -> isNatIListKind(activate(V1))
            isNatKind(n__s(V1)) -> isNatKind(activate(V1))
            isNatList(n__cons(V1,V2)) -> U51(and(isNatKind(activate(V1)),n__isNatIListKind(activate(V2)))
                                            ,activate(V1)
                                            ,activate(V2))
            isNatList(n__nil()) -> tt()
            isNatList(n__take(V1,V2)) -> U61(and(isNatKind(activate(V1)),n__isNatIListKind(activate(V2)))
                                            ,activate(V1)
                                            ,activate(V2))
            length(X) -> n__length(X)
            length(cons(N,L)) -> U71(and(and(isNatList(activate(L)),n__isNatIListKind(activate(L)))
                                        ,n__and(n__isNat(N),n__isNatKind(N)))
                                    ,activate(L))
            length(nil()) -> 0()
            nil() -> n__nil()
            s(X) -> n__s(X)
            take(X1,X2) -> n__take(X1,X2)
            take(0(),IL) -> U81(and(isNatIList(IL),n__isNatIListKind(IL)))
            take(s(M),cons(N,IL)) -> U91(and(and(isNatIList(activate(IL)),n__isNatIListKind(activate(IL)))
                                            ,n__and(n__and(n__isNat(M),n__isNatKind(M))
                                                   ,n__and(n__isNat(N),n__isNatKind(N))))
                                        ,activate(IL)
                                        ,M
                                        ,N)
            zeros() -> cons(0(),n__zeros())
            zeros() -> n__zeros()
        - Signature:
            {0/0,U11/2,U12/1,U21/2,U22/1,U31/2,U32/1,U41/3,U42/2,U43/1,U51/3,U52/2,U53/1,U61/3,U62/2,U63/1,U71/2,U81/1
            ,U91/4,activate/1,and/2,cons/2,isNat/1,isNatIList/1,isNatIListKind/1,isNatKind/1,isNatList/1,length/1,nil/0
            ,s/1,take/2,zeros/0} / {n__0/0,n__and/2,n__cons/2,n__isNat/1,n__isNatIListKind/1,n__isNatKind/1,n__length/1
            ,n__nil/0,n__s/1,n__take/2,n__zeros/0,tt/0}
        - Obligation:
            innermost runtime complexity wrt. defined symbols {0,U11,U12,U21,U22,U31,U32,U41,U42,U43,U51,U52,U53,U61,U62
            ,U63,U71,U81,U91,activate,and,cons,isNat,isNatIList,isNatIListKind,isNatKind,isNatList,length,nil,s,take
            ,zeros} and constructors {n__0,n__and,n__cons,n__isNat,n__isNatIListKind,n__isNatKind,n__length,n__nil,n__s
            ,n__take,n__zeros,tt}
    + Applied Processor:
        DecreasingLoops {bound = AnyLoop, narrow = 10}
    + Details:
        The system has following decreasing Loops:
          activate(x){x -> n__and(x,y)} =
            activate(n__and(x,y)) ->^+ and(activate(x),y)
              = C[activate(x) = activate(x){}]

WORST_CASE(Omega(n^1),?)