MAYBE
Input TRS:
      1: b(a(a(b(b(x1))))) -> b(a(a(a(a(b(b(x1)))))))
      2: b(a(b(b(x1)))) -> b(b(x1))
      3: b(a(b(a(a(a(a(b(x1)))))))) -> b(a(a(a(a(b(a(a(a(a(b(a(b(a(a(a(b(a(a(a(a(b(x1))))))))))))))))))))))
      4: b(a(a(b(a(a(a(a(b(x1))))))))) -> b(a(b(a(a(b(a(a(a(b(a(a(a(a(b(x1)))))))))))))))
      5: b(a(a(a(b(a(a(a(a(b(x1)))))))))) -> b(x1)
Number of strict rules: 5
Direct POLO(bPol) ... failed.
Uncurrying ... failed.
Dependency Pairs:
     #1: #b(a(b(a(a(a(a(b(x1)))))))) -> #b(a(a(a(a(b(a(a(a(a(b(a(b(a(a(a(b(a(a(a(a(b(x1))))))))))))))))))))))
     #2: #b(a(b(a(a(a(a(b(x1)))))))) -> #b(a(a(a(a(b(a(b(a(a(a(b(a(a(a(a(b(x1)))))))))))))))))
     #3: #b(a(b(a(a(a(a(b(x1)))))))) -> #b(a(b(a(a(a(b(a(a(a(a(b(x1))))))))))))
     #4: #b(a(b(a(a(a(a(b(x1)))))))) -> #b(a(a(a(b(a(a(a(a(b(x1))))))))))
     #5: #b(a(a(b(b(x1))))) -> #b(a(a(a(a(b(b(x1)))))))
     #6: #b(a(a(b(a(a(a(a(b(x1))))))))) -> #b(a(b(a(a(b(a(a(a(b(a(a(a(a(b(x1)))))))))))))))
     #7: #b(a(a(b(a(a(a(a(b(x1))))))))) -> #b(a(a(b(a(a(a(b(a(a(a(a(b(x1)))))))))))))
     #8: #b(a(a(b(a(a(a(a(b(x1))))))))) -> #b(a(a(a(b(a(a(a(a(b(x1))))))))))
Number of SCCs: 2, DPs: 2
  SCC { #3 }
POLO(Sum)... POLO(max)... QLPOS... POLO(mSum)... QWPOpS(mSum)... Mat2b... failed.
Finding a loop...  failed.