YES

We show the termination of the TRS R:

  U11(tt(),V1,V2) -> U12(isNatKind(activate(V1)),activate(V1),activate(V2))
  U12(tt(),V1,V2) -> U13(isNatKind(activate(V2)),activate(V1),activate(V2))
  U13(tt(),V1,V2) -> U14(isNatKind(activate(V2)),activate(V1),activate(V2))
  U14(tt(),V1,V2) -> U15(isNat(activate(V1)),activate(V2))
  U15(tt(),V2) -> U16(isNat(activate(V2)))
  U16(tt()) -> tt()
  U21(tt(),V1) -> U22(isNatKind(activate(V1)),activate(V1))
  U22(tt(),V1) -> U23(isNat(activate(V1)))
  U23(tt()) -> tt()
  U31(tt(),V2) -> U32(isNatKind(activate(V2)))
  U32(tt()) -> tt()
  U41(tt()) -> tt()
  U51(tt(),N) -> U52(isNatKind(activate(N)),activate(N))
  U52(tt(),N) -> activate(N)
  U61(tt(),M,N) -> U62(isNatKind(activate(M)),activate(M),activate(N))
  U62(tt(),M,N) -> U63(isNat(activate(N)),activate(M),activate(N))
  U63(tt(),M,N) -> U64(isNatKind(activate(N)),activate(M),activate(N))
  U64(tt(),M,N) -> s(plus(activate(N),activate(M)))
  isNat(n__0()) -> tt()
  isNat(n__plus(V1,V2)) -> U11(isNatKind(activate(V1)),activate(V1),activate(V2))
  isNat(n__s(V1)) -> U21(isNatKind(activate(V1)),activate(V1))
  isNatKind(n__0()) -> tt()
  isNatKind(n__plus(V1,V2)) -> U31(isNatKind(activate(V1)),activate(V2))
  isNatKind(n__s(V1)) -> U41(isNatKind(activate(V1)))
  plus(N,|0|()) -> U51(isNat(N),N)
  plus(N,s(M)) -> U61(isNat(M),M,N)
  |0|() -> n__0()
  plus(X1,X2) -> n__plus(X1,X2)
  s(X) -> n__s(X)
  activate(n__0()) -> |0|()
  activate(n__plus(X1,X2)) -> plus(X1,X2)
  activate(n__s(X)) -> s(X)
  activate(X) -> X

-- SCC decomposition.

Consider the dependency pair problem (P, R), where P consists of

p1: U11#(tt(),V1,V2) -> U12#(isNatKind(activate(V1)),activate(V1),activate(V2))
p2: U11#(tt(),V1,V2) -> isNatKind#(activate(V1))
p3: U11#(tt(),V1,V2) -> activate#(V1)
p4: U11#(tt(),V1,V2) -> activate#(V2)
p5: U12#(tt(),V1,V2) -> U13#(isNatKind(activate(V2)),activate(V1),activate(V2))
p6: U12#(tt(),V1,V2) -> isNatKind#(activate(V2))
p7: U12#(tt(),V1,V2) -> activate#(V2)
p8: U12#(tt(),V1,V2) -> activate#(V1)
p9: U13#(tt(),V1,V2) -> U14#(isNatKind(activate(V2)),activate(V1),activate(V2))
p10: U13#(tt(),V1,V2) -> isNatKind#(activate(V2))
p11: U13#(tt(),V1,V2) -> activate#(V2)
p12: U13#(tt(),V1,V2) -> activate#(V1)
p13: U14#(tt(),V1,V2) -> U15#(isNat(activate(V1)),activate(V2))
p14: U14#(tt(),V1,V2) -> isNat#(activate(V1))
p15: U14#(tt(),V1,V2) -> activate#(V1)
p16: U14#(tt(),V1,V2) -> activate#(V2)
p17: U15#(tt(),V2) -> U16#(isNat(activate(V2)))
p18: U15#(tt(),V2) -> isNat#(activate(V2))
p19: U15#(tt(),V2) -> activate#(V2)
p20: U21#(tt(),V1) -> U22#(isNatKind(activate(V1)),activate(V1))
p21: U21#(tt(),V1) -> isNatKind#(activate(V1))
p22: U21#(tt(),V1) -> activate#(V1)
p23: U22#(tt(),V1) -> U23#(isNat(activate(V1)))
p24: U22#(tt(),V1) -> isNat#(activate(V1))
p25: U22#(tt(),V1) -> activate#(V1)
p26: U31#(tt(),V2) -> U32#(isNatKind(activate(V2)))
p27: U31#(tt(),V2) -> isNatKind#(activate(V2))
p28: U31#(tt(),V2) -> activate#(V2)
p29: U51#(tt(),N) -> U52#(isNatKind(activate(N)),activate(N))
p30: U51#(tt(),N) -> isNatKind#(activate(N))
p31: U51#(tt(),N) -> activate#(N)
p32: U52#(tt(),N) -> activate#(N)
p33: U61#(tt(),M,N) -> U62#(isNatKind(activate(M)),activate(M),activate(N))
p34: U61#(tt(),M,N) -> isNatKind#(activate(M))
p35: U61#(tt(),M,N) -> activate#(M)
p36: U61#(tt(),M,N) -> activate#(N)
p37: U62#(tt(),M,N) -> U63#(isNat(activate(N)),activate(M),activate(N))
p38: U62#(tt(),M,N) -> isNat#(activate(N))
p39: U62#(tt(),M,N) -> activate#(N)
p40: U62#(tt(),M,N) -> activate#(M)
p41: U63#(tt(),M,N) -> U64#(isNatKind(activate(N)),activate(M),activate(N))
p42: U63#(tt(),M,N) -> isNatKind#(activate(N))
p43: U63#(tt(),M,N) -> activate#(N)
p44: U63#(tt(),M,N) -> activate#(M)
p45: U64#(tt(),M,N) -> s#(plus(activate(N),activate(M)))
p46: U64#(tt(),M,N) -> plus#(activate(N),activate(M))
p47: U64#(tt(),M,N) -> activate#(N)
p48: U64#(tt(),M,N) -> activate#(M)
p49: isNat#(n__plus(V1,V2)) -> U11#(isNatKind(activate(V1)),activate(V1),activate(V2))
p50: isNat#(n__plus(V1,V2)) -> isNatKind#(activate(V1))
p51: isNat#(n__plus(V1,V2)) -> activate#(V1)
p52: isNat#(n__plus(V1,V2)) -> activate#(V2)
p53: isNat#(n__s(V1)) -> U21#(isNatKind(activate(V1)),activate(V1))
p54: isNat#(n__s(V1)) -> isNatKind#(activate(V1))
p55: isNat#(n__s(V1)) -> activate#(V1)
p56: isNatKind#(n__plus(V1,V2)) -> U31#(isNatKind(activate(V1)),activate(V2))
p57: isNatKind#(n__plus(V1,V2)) -> isNatKind#(activate(V1))
p58: isNatKind#(n__plus(V1,V2)) -> activate#(V1)
p59: isNatKind#(n__plus(V1,V2)) -> activate#(V2)
p60: isNatKind#(n__s(V1)) -> U41#(isNatKind(activate(V1)))
p61: isNatKind#(n__s(V1)) -> isNatKind#(activate(V1))
p62: isNatKind#(n__s(V1)) -> activate#(V1)
p63: plus#(N,|0|()) -> U51#(isNat(N),N)
p64: plus#(N,|0|()) -> isNat#(N)
p65: plus#(N,s(M)) -> U61#(isNat(M),M,N)
p66: plus#(N,s(M)) -> isNat#(M)
p67: activate#(n__0()) -> |0|#()
p68: activate#(n__plus(X1,X2)) -> plus#(X1,X2)
p69: activate#(n__s(X)) -> s#(X)

and R consists of:

r1: U11(tt(),V1,V2) -> U12(isNatKind(activate(V1)),activate(V1),activate(V2))
r2: U12(tt(),V1,V2) -> U13(isNatKind(activate(V2)),activate(V1),activate(V2))
r3: U13(tt(),V1,V2) -> U14(isNatKind(activate(V2)),activate(V1),activate(V2))
r4: U14(tt(),V1,V2) -> U15(isNat(activate(V1)),activate(V2))
r5: U15(tt(),V2) -> U16(isNat(activate(V2)))
r6: U16(tt()) -> tt()
r7: U21(tt(),V1) -> U22(isNatKind(activate(V1)),activate(V1))
r8: U22(tt(),V1) -> U23(isNat(activate(V1)))
r9: U23(tt()) -> tt()
r10: U31(tt(),V2) -> U32(isNatKind(activate(V2)))
r11: U32(tt()) -> tt()
r12: U41(tt()) -> tt()
r13: U51(tt(),N) -> U52(isNatKind(activate(N)),activate(N))
r14: U52(tt(),N) -> activate(N)
r15: U61(tt(),M,N) -> U62(isNatKind(activate(M)),activate(M),activate(N))
r16: U62(tt(),M,N) -> U63(isNat(activate(N)),activate(M),activate(N))
r17: U63(tt(),M,N) -> U64(isNatKind(activate(N)),activate(M),activate(N))
r18: U64(tt(),M,N) -> s(plus(activate(N),activate(M)))
r19: isNat(n__0()) -> tt()
r20: isNat(n__plus(V1,V2)) -> U11(isNatKind(activate(V1)),activate(V1),activate(V2))
r21: isNat(n__s(V1)) -> U21(isNatKind(activate(V1)),activate(V1))
r22: isNatKind(n__0()) -> tt()
r23: isNatKind(n__plus(V1,V2)) -> U31(isNatKind(activate(V1)),activate(V2))
r24: isNatKind(n__s(V1)) -> U41(isNatKind(activate(V1)))
r25: plus(N,|0|()) -> U51(isNat(N),N)
r26: plus(N,s(M)) -> U61(isNat(M),M,N)
r27: |0|() -> n__0()
r28: plus(X1,X2) -> n__plus(X1,X2)
r29: s(X) -> n__s(X)
r30: activate(n__0()) -> |0|()
r31: activate(n__plus(X1,X2)) -> plus(X1,X2)
r32: activate(n__s(X)) -> s(X)
r33: activate(X) -> X

The estimated dependency graph contains the following SCCs:

  {p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11, p12, p13, p14, p15, p16, p18, p19, p20, p21, p22, p24, p25, p27, p28, p29, p30, p31, p32, p33, p34, p35, p36, p37, p38, p39, p40, p41, p42, p43, p44, p46, p47, p48, p49, p50, p51, p52, p53, p54, p55, p56, p57, p58, p59, p61, p62, p63, p64, p65, p66, p68}


-- Reduction pair.

Consider the dependency pair problem (P, R), where P consists of

p1: U11#(tt(),V1,V2) -> U12#(isNatKind(activate(V1)),activate(V1),activate(V2))
p2: U12#(tt(),V1,V2) -> activate#(V1)
p3: activate#(n__plus(X1,X2)) -> plus#(X1,X2)
p4: plus#(N,s(M)) -> isNat#(M)
p5: isNat#(n__s(V1)) -> activate#(V1)
p6: isNat#(n__s(V1)) -> isNatKind#(activate(V1))
p7: isNatKind#(n__s(V1)) -> activate#(V1)
p8: isNatKind#(n__s(V1)) -> isNatKind#(activate(V1))
p9: isNatKind#(n__plus(V1,V2)) -> activate#(V2)
p10: isNatKind#(n__plus(V1,V2)) -> activate#(V1)
p11: isNatKind#(n__plus(V1,V2)) -> isNatKind#(activate(V1))
p12: isNatKind#(n__plus(V1,V2)) -> U31#(isNatKind(activate(V1)),activate(V2))
p13: U31#(tt(),V2) -> activate#(V2)
p14: U31#(tt(),V2) -> isNatKind#(activate(V2))
p15: isNat#(n__s(V1)) -> U21#(isNatKind(activate(V1)),activate(V1))
p16: U21#(tt(),V1) -> activate#(V1)
p17: U21#(tt(),V1) -> isNatKind#(activate(V1))
p18: U21#(tt(),V1) -> U22#(isNatKind(activate(V1)),activate(V1))
p19: U22#(tt(),V1) -> activate#(V1)
p20: U22#(tt(),V1) -> isNat#(activate(V1))
p21: isNat#(n__plus(V1,V2)) -> activate#(V2)
p22: isNat#(n__plus(V1,V2)) -> activate#(V1)
p23: isNat#(n__plus(V1,V2)) -> isNatKind#(activate(V1))
p24: isNat#(n__plus(V1,V2)) -> U11#(isNatKind(activate(V1)),activate(V1),activate(V2))
p25: U11#(tt(),V1,V2) -> activate#(V2)
p26: U11#(tt(),V1,V2) -> activate#(V1)
p27: U11#(tt(),V1,V2) -> isNatKind#(activate(V1))
p28: plus#(N,s(M)) -> U61#(isNat(M),M,N)
p29: U61#(tt(),M,N) -> activate#(N)
p30: U61#(tt(),M,N) -> activate#(M)
p31: U61#(tt(),M,N) -> isNatKind#(activate(M))
p32: U61#(tt(),M,N) -> U62#(isNatKind(activate(M)),activate(M),activate(N))
p33: U62#(tt(),M,N) -> activate#(M)
p34: U62#(tt(),M,N) -> activate#(N)
p35: U62#(tt(),M,N) -> isNat#(activate(N))
p36: U62#(tt(),M,N) -> U63#(isNat(activate(N)),activate(M),activate(N))
p37: U63#(tt(),M,N) -> activate#(M)
p38: U63#(tt(),M,N) -> activate#(N)
p39: U63#(tt(),M,N) -> isNatKind#(activate(N))
p40: U63#(tt(),M,N) -> U64#(isNatKind(activate(N)),activate(M),activate(N))
p41: U64#(tt(),M,N) -> activate#(M)
p42: U64#(tt(),M,N) -> activate#(N)
p43: U64#(tt(),M,N) -> plus#(activate(N),activate(M))
p44: plus#(N,|0|()) -> isNat#(N)
p45: plus#(N,|0|()) -> U51#(isNat(N),N)
p46: U51#(tt(),N) -> activate#(N)
p47: U51#(tt(),N) -> isNatKind#(activate(N))
p48: U51#(tt(),N) -> U52#(isNatKind(activate(N)),activate(N))
p49: U52#(tt(),N) -> activate#(N)
p50: U12#(tt(),V1,V2) -> activate#(V2)
p51: U12#(tt(),V1,V2) -> isNatKind#(activate(V2))
p52: U12#(tt(),V1,V2) -> U13#(isNatKind(activate(V2)),activate(V1),activate(V2))
p53: U13#(tt(),V1,V2) -> activate#(V1)
p54: U13#(tt(),V1,V2) -> activate#(V2)
p55: U13#(tt(),V1,V2) -> isNatKind#(activate(V2))
p56: U13#(tt(),V1,V2) -> U14#(isNatKind(activate(V2)),activate(V1),activate(V2))
p57: U14#(tt(),V1,V2) -> activate#(V2)
p58: U14#(tt(),V1,V2) -> activate#(V1)
p59: U14#(tt(),V1,V2) -> isNat#(activate(V1))
p60: U14#(tt(),V1,V2) -> U15#(isNat(activate(V1)),activate(V2))
p61: U15#(tt(),V2) -> activate#(V2)
p62: U15#(tt(),V2) -> isNat#(activate(V2))

and R consists of:

r1: U11(tt(),V1,V2) -> U12(isNatKind(activate(V1)),activate(V1),activate(V2))
r2: U12(tt(),V1,V2) -> U13(isNatKind(activate(V2)),activate(V1),activate(V2))
r3: U13(tt(),V1,V2) -> U14(isNatKind(activate(V2)),activate(V1),activate(V2))
r4: U14(tt(),V1,V2) -> U15(isNat(activate(V1)),activate(V2))
r5: U15(tt(),V2) -> U16(isNat(activate(V2)))
r6: U16(tt()) -> tt()
r7: U21(tt(),V1) -> U22(isNatKind(activate(V1)),activate(V1))
r8: U22(tt(),V1) -> U23(isNat(activate(V1)))
r9: U23(tt()) -> tt()
r10: U31(tt(),V2) -> U32(isNatKind(activate(V2)))
r11: U32(tt()) -> tt()
r12: U41(tt()) -> tt()
r13: U51(tt(),N) -> U52(isNatKind(activate(N)),activate(N))
r14: U52(tt(),N) -> activate(N)
r15: U61(tt(),M,N) -> U62(isNatKind(activate(M)),activate(M),activate(N))
r16: U62(tt(),M,N) -> U63(isNat(activate(N)),activate(M),activate(N))
r17: U63(tt(),M,N) -> U64(isNatKind(activate(N)),activate(M),activate(N))
r18: U64(tt(),M,N) -> s(plus(activate(N),activate(M)))
r19: isNat(n__0()) -> tt()
r20: isNat(n__plus(V1,V2)) -> U11(isNatKind(activate(V1)),activate(V1),activate(V2))
r21: isNat(n__s(V1)) -> U21(isNatKind(activate(V1)),activate(V1))
r22: isNatKind(n__0()) -> tt()
r23: isNatKind(n__plus(V1,V2)) -> U31(isNatKind(activate(V1)),activate(V2))
r24: isNatKind(n__s(V1)) -> U41(isNatKind(activate(V1)))
r25: plus(N,|0|()) -> U51(isNat(N),N)
r26: plus(N,s(M)) -> U61(isNat(M),M,N)
r27: |0|() -> n__0()
r28: plus(X1,X2) -> n__plus(X1,X2)
r29: s(X) -> n__s(X)
r30: activate(n__0()) -> |0|()
r31: activate(n__plus(X1,X2)) -> plus(X1,X2)
r32: activate(n__s(X)) -> s(X)
r33: activate(X) -> X

The set of usable rules consists of

  r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12, r13, r14, r15, r16, r17, r18, r19, r20, r21, r22, r23, r24, r25, r26, r27, r28, r29, r30, r31, r32, r33

Take the reduction pair:

  lexicographic combination of reduction pairs:
  
    1. matrix interpretations:
    
      carrier: N^3
      order: lexicographic order
      interpretations:
        U11#_A(x1,x2,x3) = ((1,0,0),(0,0,0),(1,0,0)) x2 + ((1,0,0),(0,1,0),(0,1,1)) x3 + (5,0,40)
        tt_A() = (7,8,66)
        U12#_A(x1,x2,x3) = ((0,0,0),(0,0,0),(1,0,0)) x1 + x2 + ((1,0,0),(1,1,0),(0,1,1)) x3 + (4,0,37)
        isNatKind_A(x1) = ((1,0,0),(1,1,0),(0,0,0)) x1 + (2,20,67)
        activate_A(x1) = x1 + (0,11,17)
        activate#_A(x1) = ((1,0,0),(1,1,0),(0,0,1)) x1 + (0,35,43)
        n__plus_A(x1,x2) = ((1,0,0),(1,1,0),(1,0,1)) x1 + ((1,0,0),(1,1,0),(1,1,1)) x2 + (12,33,20)
        plus#_A(x1,x2) = ((1,0,0),(1,1,0),(0,0,1)) x1 + ((1,0,0),(0,0,0),(0,1,0)) x2 + (0,27,0)
        s_A(x1) = x1 + (7,34,21)
        isNat#_A(x1) = ((1,0,0),(1,1,0),(1,0,1)) x1 + (0,26,35)
        n__s_A(x1) = x1 + (7,33,20)
        isNatKind#_A(x1) = x1 + (0,3,24)
        U31#_A(x1,x2) = ((1,0,0),(0,0,0),(1,0,0)) x1 + ((1,0,0),(1,1,0),(0,1,1)) x2 + (0,34,35)
        U21#_A(x1,x2) = ((0,0,0),(1,0,0),(0,1,0)) x1 + x2 + (2,8,32)
        U22#_A(x1,x2) = ((0,0,0),(1,0,0),(0,1,0)) x1 + ((1,0,0),(1,0,0),(1,0,0)) x2 + (1,29,36)
        U61#_A(x1,x2,x3) = ((1,0,0),(1,1,0),(0,0,1)) x2 + ((1,0,0),(1,1,0),(0,0,0)) x3 + (4,34,0)
        isNat_A(x1) = ((1,0,0),(0,0,0),(0,1,0)) x1 + (1,32,0)
        U62#_A(x1,x2,x3) = ((0,0,0),(1,0,0),(0,0,0)) x1 + ((1,0,0),(0,1,0),(1,0,0)) x2 + ((1,0,0),(0,0,0),(1,1,0)) x3 + (3,20,42)
        U63#_A(x1,x2,x3) = ((0,0,0),(0,0,0),(1,0,0)) x1 + x2 + x3 + (2,15,37)
        U64#_A(x1,x2,x3) = ((0,0,0),(1,0,0),(1,1,0)) x1 + ((1,0,0),(0,0,0),(1,0,0)) x2 + ((1,0,0),(0,0,0),(1,0,0)) x3 + (1,12,12)
        |0|_A() = (6,66,0)
        U51#_A(x1,x2) = ((0,0,0),(1,0,0),(0,1,0)) x1 + ((1,0,0),(1,1,0),(0,0,1)) x2 + (2,27,34)
        U52#_A(x1,x2) = ((0,0,0),(1,0,0),(0,0,0)) x1 + x2 + (1,20,41)
        U13#_A(x1,x2,x3) = ((0,0,0),(1,0,0),(1,1,0)) x1 + ((1,0,0),(1,1,0),(0,0,1)) x2 + ((1,0,0),(1,1,0),(0,0,0)) x3 + (3,6,25)
        U14#_A(x1,x2,x3) = ((0,0,0),(0,0,0),(1,0,0)) x1 + ((1,0,0),(0,0,0),(1,0,0)) x2 + ((1,0,0),(1,0,0),(0,0,0)) x3 + (2,12,37)
        U15#_A(x1,x2) = ((0,0,0),(0,0,0),(1,0,0)) x1 + x2 + (1,0,27)
        U16_A(x1) = ((0,0,0),(1,0,0),(0,0,0)) x1 + (8,0,67)
        U15_A(x1,x2) = ((0,0,0),(0,0,0),(1,0,0)) x1 + (9,2,57)
        U64_A(x1,x2,x3) = x2 + x3 + (19,35,8)
        plus_A(x1,x2) = ((1,0,0),(1,1,0),(1,0,1)) x1 + ((1,0,0),(1,1,0),(1,1,1)) x2 + (12,33,20)
        U14_A(x1,x2,x3) = ((0,0,0),(0,0,0),(1,0,0)) x1 + (9,7,50)
        U63_A(x1,x2,x3) = ((0,0,0),(0,0,0),(1,0,0)) x1 + x2 + x3 + (19,36,0)
        U13_A(x1,x2,x3) = ((0,0,0),(1,0,0),(1,0,0)) x1 + (10,0,44)
        U23_A(x1) = ((0,0,0),(1,0,0),(0,0,0)) x1 + (8,2,67)
        U52_A(x1,x2) = ((0,0,0),(1,0,0),(1,0,0)) x1 + ((1,0,0),(0,0,0),(0,1,0)) x2 + (1,5,11)
        U62_A(x1,x2,x3) = x2 + ((1,0,0),(0,1,0),(1,0,1)) x3 + (19,37,2)
        U12_A(x1,x2,x3) = ((0,0,0),(0,0,0),(1,0,0)) x1 + ((0,0,0),(1,0,0),(0,0,0)) x3 + (11,3,38)
        U22_A(x1,x2) = ((0,0,0),(1,0,0),(0,0,0)) x2 + (11,4,68)
        U32_A(x1) = ((0,0,0),(0,0,0),(1,0,0)) x1 + (8,67,60)
        U51_A(x1,x2) = ((1,0,0),(1,1,0),(0,0,1)) x2 + (2,8,0)
        U61_A(x1,x2,x3) = ((0,0,0),(1,0,0),(1,0,0)) x1 + x2 + ((1,0,0),(0,1,0),(1,0,1)) x3 + (19,42,13)
        U11_A(x1,x2,x3) = ((0,0,0),(0,0,0),(1,0,0)) x1 + ((1,0,0),(1,0,0),(0,0,0)) x3 + (12,4,32)
        U21_A(x1,x2) = x1 + ((0,0,0),(1,0,0),(0,0,0)) x2 + (5,0,32)
        U31_A(x1,x2) = ((1,0,0),(0,0,0),(1,1,0)) x1 + ((0,0,0),(1,0,0),(0,0,0)) x2 + (2,66,35)
        U41_A(x1) = (8,60,66)
        n__0_A() = (6,66,0)
    
    2. lexicographic path order with precedence:
    
      precedence:
      
        U12# > U31# > U63# > U61# > U51 > n__plus > isNat# > U14 > U64 > n__s > s > U61 > U62 > U16 > U13# > U51# > activate > |0| > plus > isNatKind# > U52# > activate# > plus# > isNat > isNatKind > U11 > U15# > U21 > n__0 > U31 > U12 > U22 > U23 > tt > U32 > U41 > U22# > U63 > U14# > U62# > U15 > U13 > U52 > U21# > U64# > U11#
      
      argument filter:
    
        pi(U11#) = 3
        pi(tt) = []
        pi(U12#) = 2
        pi(isNatKind) = []
        pi(activate) = [1]
        pi(activate#) = 1
        pi(n__plus) = 1
        pi(plus#) = 1
        pi(s) = []
        pi(isNat#) = 1
        pi(n__s) = []
        pi(isNatKind#) = [1]
        pi(U31#) = 2
        pi(U21#) = []
        pi(U22#) = []
        pi(U61#) = [2]
        pi(isNat) = []
        pi(U62#) = []
        pi(U63#) = []
        pi(U64#) = []
        pi(|0|) = []
        pi(U51#) = [2]
        pi(U52#) = []
        pi(U13#) = [2]
        pi(U14#) = []
        pi(U15#) = [2]
        pi(U16) = []
        pi(U15) = []
        pi(U64) = []
        pi(plus) = [1]
        pi(U14) = []
        pi(U63) = []
        pi(U13) = []
        pi(U23) = []
        pi(U52) = []
        pi(U62) = [3]
        pi(U12) = []
        pi(U22) = []
        pi(U32) = []
        pi(U51) = 2
        pi(U61) = 3
        pi(U11) = []
        pi(U21) = []
        pi(U31) = []
        pi(U41) = []
        pi(n__0) = []
    

The next rules are strictly ordered:

  p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11, p12, p13, p14, p15, p16, p17, p18, p19, p20, p21, p22, p23, p24, p25, p26, p27, p28, p29, p30, p31, p32, p33, p34, p35, p36, p37, p38, p39, p40, p41, p42, p43, p44, p45, p46, p47, p48, p49, p50, p51, p52, p53, p54, p55, p56, p57, p58, p59, p60, p61, p62

We remove them from the problem.  Then no dependency pair remains.