YES
Input TRS:
      1: a(a(b(x1))) -> b(b(c(a(a(a(x1))))))
      2: b(c(a(x1))) -> x1
Number of strict rules: 2
Direct POLO(bPol) ... failed.
Uncurrying ... failed.
Dependency Pairs:
     #1: #a(a(b(x1))) -> #b(b(c(a(a(a(x1))))))
     #2: #a(a(b(x1))) -> #b(c(a(a(a(x1)))))
     #3: #a(a(b(x1))) -> #a(a(a(x1)))
     #4: #a(a(b(x1))) -> #a(a(x1))
     #5: #a(a(b(x1))) -> #a(x1)
Number of SCCs: 1, DPs: 3
  SCC { #3..5 }
POLO(Sum)... POLO(max)... QLPOS... POLO(mSum)... succeeded.
      a 	w: max(x1 + 2439, 0)
      b 	w: max(x1 + 2440, 0)
      c 	w: max(x1 - 4879, 0)
      #a 	w: max(x1 + 1, 0)
      #b 	w: 0
    USABLE RULES: { 1 2 }
    Removed DPs: #3..5
Number of SCCs: 0, DPs: 0