YES
Input TRS:
      1: a__U11(tt(),V2) -> a__U12(a__isNat(V2))
      2: a__U12(tt()) -> tt()
      3: a__U21(tt()) -> tt()
      4: a__U31(tt(),V2) -> a__U32(a__isNat(V2))
      5: a__U32(tt()) -> tt()
      6: a__U41(tt(),N) -> mark(N)
      7: a__U51(tt(),M,N) -> a__U52(a__isNat(N),M,N)
      8: a__U52(tt(),M,N) -> s(a__plus(mark(N),mark(M)))
      9: a__U61(tt()) -> 0()
      10: a__U71(tt(),M,N) -> a__U72(a__isNat(N),M,N)
      11: a__U72(tt(),M,N) -> a__plus(a__x(mark(N),mark(M)),mark(N))
      12: a__isNat(0()) -> tt()
      13: a__isNat(plus(V1,V2)) -> a__U11(a__isNat(V1),V2)
      14: a__isNat(s(V1)) -> a__U21(a__isNat(V1))
      15: a__isNat(x(V1,V2)) -> a__U31(a__isNat(V1),V2)
      16: a__plus(N,0()) -> a__U41(a__isNat(N),N)
      17: a__plus(N,s(M)) -> a__U51(a__isNat(M),M,N)
      18: a__x(N,0()) -> a__U61(a__isNat(N))
      19: a__x(N,s(M)) -> a__U71(a__isNat(M),M,N)
      20: mark(U11(X1,X2)) -> a__U11(mark(X1),X2)
      21: mark(U12(X)) -> a__U12(mark(X))
      22: mark(isNat(X)) -> a__isNat(X)
      23: mark(U21(X)) -> a__U21(mark(X))
      24: mark(U31(X1,X2)) -> a__U31(mark(X1),X2)
      25: mark(U32(X)) -> a__U32(mark(X))
      26: mark(U41(X1,X2)) -> a__U41(mark(X1),X2)
      27: mark(U51(X1,X2,X3)) -> a__U51(mark(X1),X2,X3)
      28: mark(U52(X1,X2,X3)) -> a__U52(mark(X1),X2,X3)
      29: mark(plus(X1,X2)) -> a__plus(mark(X1),mark(X2))
      30: mark(U61(X)) -> a__U61(mark(X))
      31: mark(U71(X1,X2,X3)) -> a__U71(mark(X1),X2,X3)
      32: mark(U72(X1,X2,X3)) -> a__U72(mark(X1),X2,X3)
      33: mark(x(X1,X2)) -> a__x(mark(X1),mark(X2))
      34: mark(tt()) -> tt()
      35: mark(s(X)) -> s(mark(X))
      36: mark(0()) -> 0()
      37: a__U11(X1,X2) -> U11(X1,X2)
      38: a__U12(X) -> U12(X)
      39: a__isNat(X) -> isNat(X)
      40: a__U21(X) -> U21(X)
      41: a__U31(X1,X2) -> U31(X1,X2)
      42: a__U32(X) -> U32(X)
      43: a__U41(X1,X2) -> U41(X1,X2)
      44: a__U51(X1,X2,X3) -> U51(X1,X2,X3)
      45: a__U52(X1,X2,X3) -> U52(X1,X2,X3)
      46: a__plus(X1,X2) -> plus(X1,X2)
      47: a__U61(X) -> U61(X)
      48: a__U71(X1,X2,X3) -> U71(X1,X2,X3)
      49: a__U72(X1,X2,X3) -> U72(X1,X2,X3)
      50: a__x(X1,X2) -> x(X1,X2)
Number of strict rules: 50
Direct POLO(bPol) ... failed.
Uncurrying ... failed.
Dependency Pairs:
     #1: #mark(plus(X1,X2)) -> #a__plus(mark(X1),mark(X2))
     #2: #mark(plus(X1,X2)) -> #mark(X1)
     #3: #mark(plus(X1,X2)) -> #mark(X2)
     #4: #mark(s(X)) -> #mark(X)
     #5: #a__U41(tt(),N) -> #mark(N)
     #6: #a__isNat(plus(V1,V2)) -> #a__U11(a__isNat(V1),V2)
     #7: #a__isNat(plus(V1,V2)) -> #a__isNat(V1)
     #8: #a__U72(tt(),M,N) -> #a__plus(a__x(mark(N),mark(M)),mark(N))
     #9: #a__U72(tt(),M,N) -> #a__x(mark(N),mark(M))
     #10: #a__U72(tt(),M,N) -> #mark(N)
     #11: #a__U72(tt(),M,N) -> #mark(M)
     #12: #a__U72(tt(),M,N) -> #mark(N)
     #13: #mark(U31(X1,X2)) -> #a__U31(mark(X1),X2)
     #14: #mark(U31(X1,X2)) -> #mark(X1)
     #15: #mark(U21(X)) -> #a__U21(mark(X))
     #16: #mark(U21(X)) -> #mark(X)
     #17: #mark(U71(X1,X2,X3)) -> #a__U71(mark(X1),X2,X3)
     #18: #mark(U71(X1,X2,X3)) -> #mark(X1)
     #19: #a__isNat(s(V1)) -> #a__U21(a__isNat(V1))
     #20: #a__isNat(s(V1)) -> #a__isNat(V1)
     #21: #mark(U61(X)) -> #a__U61(mark(X))
     #22: #mark(U61(X)) -> #mark(X)
     #23: #mark(U32(X)) -> #a__U32(mark(X))
     #24: #mark(U32(X)) -> #mark(X)
     #25: #mark(U11(X1,X2)) -> #a__U11(mark(X1),X2)
     #26: #mark(U11(X1,X2)) -> #mark(X1)
     #27: #a__U51(tt(),M,N) -> #a__U52(a__isNat(N),M,N)
     #28: #a__U51(tt(),M,N) -> #a__isNat(N)
     #29: #a__U71(tt(),M,N) -> #a__U72(a__isNat(N),M,N)
     #30: #a__U71(tt(),M,N) -> #a__isNat(N)
     #31: #mark(x(X1,X2)) -> #a__x(mark(X1),mark(X2))
     #32: #mark(x(X1,X2)) -> #mark(X1)
     #33: #mark(x(X1,X2)) -> #mark(X2)
     #34: #mark(U52(X1,X2,X3)) -> #a__U52(mark(X1),X2,X3)
     #35: #mark(U52(X1,X2,X3)) -> #mark(X1)
     #36: #mark(isNat(X)) -> #a__isNat(X)
     #37: #mark(U51(X1,X2,X3)) -> #a__U51(mark(X1),X2,X3)
     #38: #mark(U51(X1,X2,X3)) -> #mark(X1)
     #39: #a__plus(N,s(M)) -> #a__U51(a__isNat(M),M,N)
     #40: #a__plus(N,s(M)) -> #a__isNat(M)
     #41: #mark(U72(X1,X2,X3)) -> #a__U72(mark(X1),X2,X3)
     #42: #mark(U72(X1,X2,X3)) -> #mark(X1)
     #43: #a__x(N,s(M)) -> #a__U71(a__isNat(M),M,N)
     #44: #a__x(N,s(M)) -> #a__isNat(M)
     #45: #mark(U41(X1,X2)) -> #a__U41(mark(X1),X2)
     #46: #mark(U41(X1,X2)) -> #mark(X1)
     #47: #mark(U12(X)) -> #a__U12(mark(X))
     #48: #mark(U12(X)) -> #mark(X)
     #49: #a__plus(N,0()) -> #a__U41(a__isNat(N),N)
     #50: #a__plus(N,0()) -> #a__isNat(N)
     #51: #a__U11(tt(),V2) -> #a__U12(a__isNat(V2))
     #52: #a__U11(tt(),V2) -> #a__isNat(V2)
     #53: #a__U52(tt(),M,N) -> #a__plus(mark(N),mark(M))
     #54: #a__U52(tt(),M,N) -> #mark(N)
     #55: #a__U52(tt(),M,N) -> #mark(M)
     #56: #a__isNat(x(V1,V2)) -> #a__U31(a__isNat(V1),V2)
     #57: #a__isNat(x(V1,V2)) -> #a__isNat(V1)
     #58: #a__U31(tt(),V2) -> #a__U32(a__isNat(V2))
     #59: #a__U31(tt(),V2) -> #a__isNat(V2)
     #60: #a__x(N,0()) -> #a__U61(a__isNat(N))
     #61: #a__x(N,0()) -> #a__isNat(N)
Number of SCCs: 2, DPs: 44
  SCC { #6 #7 #20 #52 #56 #57 #59 }
POLO(Sum)... succeeded.
      a__plus	w: 0
      U21	w: 0
      #a__U72	w: 0
      #a__U71	w: 0
      U11	w: 0
      s 	w: x1 + 1
      #a__U31	w: x1 + x2 + 3
      #a__isNat	w: x1 + 3
      U71	w: 0
      #a__U51	w: 0
      #a__x	w: 0
      U72	w: 0
      #a__U11	w: x1 + x2 + 3
      a__U31	w: x1 + x2
      a__U51	w: 0
      a__x	w: 0
      U12	w: 0
      a__U41	w: 0
      x 	w: x1 + x2 + 2
      #a__U12	w: 0
      #a__U21	w: 0
      #a__U61	w: 0
      #a__plus	w: 0
      #mark	w: 0
      0 	w: 1
      a__U21	w: x1
      a__U32	w: x1
      #a__U52	w: 0
      mark	w: 0
      a__U72	w: 0
      a__U11	w: x1 + x2
      U32	w: 0
      a__U52	w: 0
      a__U12	w: x1
      isNat	w: 0
      U52	w: 0
      plus	w: x1 + x2 + 2439
      U61	w: 0
      U31	w: 0
      a__U71	w: 0
      a__U61	w: 0
      #a__U41	w: 0
      tt	w: 1
      a__isNat	w: x1 + 1
      U51	w: 0
      U41	w: 0
      #a__U32	w: 0
    USABLE RULES: { 1..5 12..15 37..42 }
    Removed DPs: #6 #7 #20 #52 #56 #57 #59
Number of SCCs: 1, DPs: 37
  SCC { #1..5 #8..12 #14 #16..18 #22 #24 #26 #27 #29 #31..35 #37..39 #41..43 #45 #46 #48 #49 #53..55 }
POLO(Sum)... POLO(max)... succeeded.
      a__plus	w: max(x1, x2)
      U21	w: x1
      #a__U72	w: max(x2 + 19266, x3)
      #a__U71	w: max(x2 + 19266, x3)
      U11	w: max(x1)
      s 	w: x1
      #a__U31	w: 0
      #a__isNat	w: 0
      U71	w: max(x1 + 19265, x2 + 19266, x3)
      #a__U51	w: max(x2, x3)
      #a__x	w: max(x1, x2 + 19266)
      U72	w: max(x1, x2 + 19266, x3)
      #a__U11	w: 0
      a__U31	w: max(x1)
      a__U51	w: max(x1, x2, x3)
      a__x	w: max(x1, x2 + 19266)
      U12	w: x1
      a__U41	w: max(x1 + 4814, x2)
      x 	w: max(x1, x2 + 19266)
      #a__U12	w: 0
      #a__U21	w: 0
      #a__U61	w: 0
      #a__plus	w: max(x1, x2)
      #mark	w: x1
      0 	w: 22115
      a__U21	w: x1
      a__U32	w: x1
      #a__U52	w: max(x2, x3)
      mark	w: x1
      a__U72	w: max(x1, x2 + 19266, x3)
      a__U11	w: max(x1)
      U32	w: x1
      a__U52	w: max(x1, x2, x3)
      a__U12	w: x1
      isNat	w: 0
      U52	w: max(x1, x2, x3)
      plus	w: max(x1, x2)
      U61	w: x1 + 22115
      U31	w: max(x1)
      a__U71	w: max(x1 + 19265, x2 + 19266, x3)
      a__U61	w: x1 + 22115
      #a__U41	w: max(x2)
      tt	w: 0
      a__isNat	w: 0
      U51	w: max(x1, x2, x3)
      U41	w: max(x1 + 4814, x2)
      #a__U32	w: 0
    USABLE RULES: { 1..50 }
    Removed DPs: #11 #18 #22 #33 #46
Number of SCCs: 1, DPs: 32
  SCC { #1..5 #8..10 #12 #14 #16 #17 #24 #26 #27 #29 #31 #32 #34 #35 #37..39 #41..43 #45 #48 #49 #53..55 }
POLO(Sum)... POLO(max)... succeeded.
      a__plus	w: max(x1, x2)
      U21	w: x1
      #a__U72	w: max(x2 + 4, x3 + 2)
      #a__U71	w: max(x2 + 4, x3 + 2)
      U11	w: max(x1)
      s 	w: x1
      #a__U31	w: 0
      #a__isNat	w: 0
      U71	w: max(x1 + 2, x2 + 3, x3 + 1)
      #a__U51	w: max(x2 + 1, x3 + 1)
      #a__x	w: max(x1 + 2, x2 + 4)
      U72	w: max(x1 + 1, x2 + 3, x3 + 1)
      #a__U11	w: 0
      a__U31	w: max(x1)
      a__U51	w: max(x1, x2, x3)
      a__x	w: max(x1 + 1, x2 + 3)
      U12	w: x1
      a__U41	w: max(x1 + 1, x2)
      x 	w: max(x1 + 1, x2 + 3)
      #a__U12	w: 0
      #a__U21	w: 0
      #a__U61	w: 0
      #a__plus	w: max(x1 + 1, x2 + 1)
      #mark	w: x1 + 1
      0 	w: 1
      a__U21	w: x1
      a__U32	w: x1
      #a__U52	w: max(x2 + 1, x3 + 1)
      mark	w: x1
      a__U72	w: max(x1 + 1, x2 + 3, x3 + 1)
      a__U11	w: max(x1)
      U32	w: x1
      a__U52	w: max(x1, x2, x3)
      a__U12	w: x1
      isNat	w: 0
      U52	w: max(x1, x2, x3)
      plus	w: max(x1, x2)
      U61	w: x1 + 2
      U31	w: max(x1)
      a__U71	w: max(x1 + 2, x2 + 3, x3 + 1)
      a__U61	w: x1 + 2
      #a__U41	w: max(x2 + 1)
      tt	w: 0
      a__isNat	w: 0
      U51	w: max(x1, x2, x3)
      U41	w: max(x1 + 1, x2)
      #a__U32	w: 0
    USABLE RULES: { 1..50 }
    Removed DPs: #10 #12 #32 #42
Number of SCCs: 1, DPs: 28
  SCC { #1..5 #8 #9 #14 #16 #17 #24 #26 #27 #29 #31 #34 #35 #37..39 #41 #43 #45 #48 #49 #53..55 }
POLO(Sum)... POLO(max)... succeeded.
      a__plus	w: max(x1, x2 + 9282)
      U21	w: x1
      #a__U72	w: max(x3 + 39844)
      #a__U71	w: max(x3 + 39844)
      U11	w: max(x1)
      s 	w: x1
      #a__U31	w: 0
      #a__isNat	w: 0
      U71	w: max(x1 + 5830, x3 + 9282)
      #a__U51	w: max(x2 + 31269, x3 + 30562)
      #a__x	w: max(x1 + 39844)
      U72	w: max(x1 + 655, x3 + 9282)
      #a__U11	w: 0
      a__U31	w: max(x1)
      a__U51	w: max(x1 + 9280, x2 + 9282, x3)
      a__x	w: max(x1 + 9282)
      U12	w: x1
      a__U41	w: max(x1 + 1, x2)
      x 	w: max(x1 + 9282)
      #a__U12	w: 0
      #a__U21	w: 0
      #a__U61	w: 0
      #a__plus	w: max(x1 + 30562, x2 + 31269)
      #mark	w: x1 + 30562
      0 	w: 1324
      a__U21	w: x1
      a__U32	w: x1
      #a__U52	w: max(x2 + 31269, x3 + 30562)
      mark	w: x1
      a__U72	w: max(x1 + 655, x3 + 9282)
      a__U11	w: max(x1)
      U32	w: x1
      a__U52	w: max(x1 + 706, x2 + 9282, x3)
      a__U12	w: x1
      isNat	w: 1
      U52	w: max(x1 + 706, x2 + 9282, x3)
      plus	w: max(x1, x2 + 9282)
      U61	w: 6228
      U31	w: max(x1)
      a__U71	w: max(x1 + 5830, x3 + 9282)
      a__U61	w: 6228
      #a__U41	w: max(x1 + 30563, x2 + 30562)
      tt	w: 1
      a__isNat	w: 1
      U51	w: max(x1 + 9280, x2 + 9282, x3)
      U41	w: max(x1 + 1, x2)
      #a__U32	w: 0
    USABLE RULES: { 1..50 }
    Removed DPs: #3 #35 #38 #55
Number of SCCs: 1, DPs: 24
  SCC { #1 #2 #4 #5 #8 #9 #14 #16 #17 #24 #26 #27 #29 #31 #34 #37 #39 #41 #43 #45 #48 #49 #53 #54 }
POLO(Sum)... POLO(max)... succeeded.
      a__plus	w: max(x1, x2 + 3)
      U21	w: x1
      #a__U72	w: max(x1 + 56368, x2 + 56365, x3 + 56368)
      #a__U71	w: max(x1 + 27201, x2 + 56365, x3 + 56368)
      U11	w: max(x1, x2 + 2)
      s 	w: x1
      #a__U31	w: 0
      #a__isNat	w: 0
      U71	w: max(x1, x2, x3 + 3)
      #a__U51	w: max(x3 + 56365)
      #a__x	w: max(x1 + 56368, x2 + 56365)
      U72	w: max(x1 + 3, x2, x3 + 3)
      #a__U11	w: 0
      a__U31	w: max(x1 + 1, x2)
      a__U51	w: max(x1 + 1, x2 + 3, x3)
      a__x	w: max(x1 + 3, x2)
      U12	w: x1 + 2
      a__U41	w: max(x2)
      x 	w: max(x1 + 3, x2)
      #a__U12	w: 0
      #a__U21	w: 0
      #a__U61	w: 0
      #a__plus	w: max(x1 + 56365)
      #mark	w: x1 + 56365
      0 	w: 1
      a__U21	w: x1
      a__U32	w: x1
      #a__U52	w: max(x3 + 56365)
      mark	w: x1
      a__U72	w: max(x1 + 3, x2, x3 + 3)
      a__U11	w: max(x1, x2 + 2)
      U32	w: x1
      a__U52	w: max(x2 + 3, x3)
      a__U12	w: x1 + 2
      isNat	w: x1
      U52	w: max(x2 + 3, x3)
      plus	w: max(x1, x2 + 3)
      U61	w: 3
      U31	w: max(x1 + 1, x2)
      a__U71	w: max(x1, x2, x3 + 3)
      a__U61	w: 3
      #a__U41	w: max(x2 + 56365)
      tt	w: 1
      a__isNat	w: x1
      U51	w: max(x1 + 1, x2 + 3, x3)
      U41	w: max(x2)
      #a__U32	w: 0
    USABLE RULES: { 1..50 }
    Removed DPs: #14 #48
Number of SCCs: 1, DPs: 22
  SCC { #1 #2 #4 #5 #8 #9 #16 #17 #24 #26 #27 #29 #31 #34 #37 #39 #41 #43 #45 #49 #53 #54 }
POLO(Sum)... succeeded.
      a__plus	w: x1
      U21	w: x1
      #a__U72	w: x2 + 1
      #a__U71	w: x2 + 1
      U11	w: x1
      s 	w: x1
      #a__U31	w: 3
      #a__isNat	w: 3
      U71	w: x2 + 1
      #a__U51	w: x3
      #a__x	w: x2 + 1
      U72	w: x2 + 1
      #a__U11	w: 3
      a__U31	w: x2 + 30820
      a__U51	w: x3
      a__x	w: x2 + 1
      U12	w: 0
      a__U41	w: x2
      x 	w: x2 + 1
      #a__U12	w: 0
      #a__U21	w: 0
      #a__U61	w: 0
      #a__plus	w: x1
      #mark	w: x1
      0 	w: 1
      a__U21	w: x1
      a__U32	w: x1 + 1
      #a__U52	w: x3
      mark	w: x1
      a__U72	w: x2 + 1
      a__U11	w: x1
      U32	w: x1 + 1
      a__U52	w: x3
      a__U12	w: 0
      isNat	w: x1 + 30819
      U52	w: x3
      plus	w: x1
      U61	w: 2
      U31	w: x2 + 30820
      a__U71	w: x2 + 1
      a__U61	w: 2
      #a__U41	w: x2
      tt	w: 0
      a__isNat	w: x1 + 30819
      U51	w: x3
      U41	w: x2
      #a__U32	w: 0
    USABLE RULES: { 1..50 }
    Removed DPs: #24
Number of SCCs: 1, DPs: 21
  SCC { #1 #2 #4 #5 #8 #9 #16 #17 #26 #27 #29 #31 #34 #37 #39 #41 #43 #45 #49 #53 #54 }
POLO(Sum)... POLO(max)... QLPOS... succeeded.
      a__plus	s: [1,2]	p: 5
      U21	s: 1
      #a__U72	s: [2,3,1]	p: 6
      #a__U71	s: [2,3,1]	p: 6
      U11	s: 1
      s 	s: [1]	p: 4
      #a__U31	s: 2
      #a__isNat	s: []	p: 0
      U71	s: [2,3,1]	p: 6
      #a__U51	s: [3]	p: 3
      #a__x	s: [2,1]	p: 6
      U72	s: [2,3,1]	p: 6
      #a__U11	s: 2
      a__U31	s: []	p: 1
      a__U51	s: [3,2,1]	p: 5
      a__x	s: [2,1]	p: 6
      U12	s: []	p: 1
      a__U41	s: [2,1]	p: 2
      x 	s: [2,1]	p: 6
      #a__U12	s: []	p: 0
      #a__U21	s: 1
      #a__U61	s: []	p: 0
      #a__plus	s: [1]	p: 3
      #mark	s: 1
      0 	s: []	p: 6
      a__U21	s: 1
      a__U32	s: []	p: 1
      #a__U52	s: [3]	p: 3
      mark	s: 1
      a__U72	s: [2,3,1]	p: 6
      a__U11	s: 1
      U32	s: []	p: 1
      a__U52	s: [3,2,1]	p: 5
      a__U12	s: []	p: 1
      isNat	s: []	p: 1
      U52	s: [3,2,1]	p: 5
      plus	s: [1,2]	p: 5
      U61	s: []	p: 6
      U31	s: []	p: 1
      a__U71	s: [2,3,1]	p: 6
      a__U61	s: []	p: 6
      #a__U41	s: [2]	p: 2
      tt	s: []	p: 1
      a__isNat	s: []	p: 1
      U51	s: [3,2,1]	p: 5
      U41	s: [2,1]	p: 2
      #a__U32	s: []	p: 0
    USABLE RULES: { 1..50 }
    Removed DPs: #1 #2 #4 #5 #8 #9 #34 #37 #43 #45 #49 #54
Number of SCCs: 2, DPs: 5
  SCC { #16 #26 }
POLO(Sum)... succeeded.
      a__plus	w: 5
      U21	w: x1 + 9920
      #a__U72	w: 0
      #a__U71	w: 0
      U11	w: x1 + x2 + 9924
      s 	w: 2
      #a__U31	w: 3
      #a__isNat	w: 3
      U71	w: x1 + x3 + 4
      #a__U51	w: 0
      #a__x	w: 0
      U72	w: x1 + x2 + x3 + 5
      #a__U11	w: 3
      a__U31	w: x2 + 9918
      a__U51	w: x2 + 6
      a__x	w: x1 + x2
      U12	w: 9
      a__U41	w: 6
      x 	w: 1
      #a__U12	w: 0
      #a__U21	w: 0
      #a__U61	w: 0
      #a__plus	w: 0
      #mark	w: x1
      0 	w: 3
      a__U21	w: 9919
      a__U32	w: 9919
      #a__U52	w: 0
      mark	w: 1
      a__U72	w: 4
      a__U11	w: 9923
      U32	w: 9920
      a__U52	w: x1 + 1
      a__U12	w: x1 + 8
      isNat	w: 9917
      U52	w: x2 + 2
      plus	w: x1 + x2 + 6
      U61	w: x1 + 3
      U31	w: x1 + 9919
      a__U71	w: x2 + 3
      a__U61	w: 2
      #a__U41	w: 0
      tt	w: 9920
      a__isNat	w: x1 + 9916
      U51	w: 7
      U41	w: x1 + 7
      #a__U32	w: 0
    USABLE RULES: { }
    Removed DPs: #16 #26
Number of SCCs: 1, DPs: 3
  SCC { #27 #39 #53 }
POLO(Sum)... POLO(max)... QLPOS... succeeded.
      a__plus	s: [1,2]	p: 5
      U21	s: 1
      #a__U72	s: [2,3,1]	p: 6
      #a__U71	s: [2,3,1]	p: 6
      U11	s: 1
      s 	s: [1]	p: 3
      #a__U31	s: 2
      #a__isNat	s: []	p: 0
      U71	s: [2,3,1]	p: 6
      #a__U51	s: [3,2]	p: 4
      #a__x	s: [2,1]	p: 6
      U72	s: [2,3,1]	p: 6
      #a__U11	s: 2
      a__U31	s: []	p: 1
      a__U51	s: [3,2,1]	p: 5
      a__x	s: [2,1]	p: 6
      U12	s: []	p: 1
      a__U41	s: [2,1]	p: 2
      x 	s: [2,1]	p: 6
      #a__U12	s: []	p: 0
      #a__U21	s: 1
      #a__U61	s: []	p: 0
      #a__plus	s: [1,2]	p: 4
      #mark	s: 1
      0 	s: []	p: 6
      a__U21	s: 1
      a__U32	s: []	p: 1
      #a__U52	s: [3,2]	p: 4
      mark	s: 1
      a__U72	s: [2,3,1]	p: 6
      a__U11	s: 1
      U32	s: []	p: 1
      a__U52	s: [3,2,1]	p: 5
      a__U12	s: []	p: 1
      isNat	s: []	p: 1
      U52	s: [3,2,1]	p: 5
      plus	s: [1,2]	p: 5
      U61	s: []	p: 6
      U31	s: []	p: 1
      a__U71	s: [2,3,1]	p: 6
      a__U61	s: []	p: 6
      #a__U41	s: [2]	p: 2
      tt	s: []	p: 1
      a__isNat	s: []	p: 1
      U51	s: [3,2,1]	p: 5
      U41	s: [2,1]	p: 2
      #a__U32	s: []	p: 0
    USABLE RULES: { 1..50 }
    Removed DPs: #39
Number of SCCs: 0, DPs: 0