YES
Input TRS:
      1: a(b(x1)) -> b(b(a(x1)))
      2: b(c(x1)) -> c(b(b(x1)))
      3: c(a(x1)) -> a(c(c(x1)))
Number of strict rules: 3
Direct POLO(bPol) ... failed.
Uncurrying ... failed.
Dependency Pairs:
     #1: #b(c(x1)) -> #c(b(b(x1)))
     #2: #b(c(x1)) -> #b(b(x1))
     #3: #b(c(x1)) -> #b(x1)
     #4: #c(a(x1)) -> #a(c(c(x1)))
     #5: #c(a(x1)) -> #c(c(x1))
     #6: #c(a(x1)) -> #c(x1)
     #7: #a(b(x1)) -> #b(b(a(x1)))
     #8: #a(b(x1)) -> #b(a(x1))
     #9: #a(b(x1)) -> #a(x1)
Number of SCCs: 1, DPs: 9
  SCC { #1..9 }
POLO(Sum)... succeeded.
      a 	w: 1
      b 	w: x1
      c 	w: x1 + 4
      #c 	w: 3
      #a 	w: 2
      #b 	w: x1
    USABLE RULES: { 1..3 }
    Removed DPs: #1..4 #7 #8
Number of SCCs: 2, DPs: 3
  SCC { #9 }
POLO(Sum)... POLO(max)... succeeded.
      a 	w: 0
      b 	w: x1 + 1
      c 	w: 0
      #c 	w: 0
      #a 	w: x1
      #b 	w: 0
    USABLE RULES: { }
    Removed DPs: #9
Number of SCCs: 1, DPs: 2
  SCC { #5 #6 }
POLO(Sum)... succeeded.
      a 	w: x1 + 1
      b 	w: 41063
      c 	w: x1
      #c 	w: x1 + 3
      #a 	w: 2
      #b 	w: x1
    USABLE RULES: { 1..3 }
    Removed DPs: #5 #6
Number of SCCs: 0, DPs: 0