YES
Input TRS:
      1: a(a(x1)) -> a(b(a(x1)))
      2: b(x1) ->= b(b(x1))
Number of strict rules: 1
Direct POLO(bPol) ... failed.
Uncurrying ... failed.
Dependency Pairs:
     #1: #a(a(x1)) -> #a(b(a(x1)))
Number of SCCs: 0, DPs: 0