YES(?,O(n^1))

Problem:
 a(b(a(x))) -> b(a(x))

Proof:
 RT Transformation Processor:
  strict:
   a(b(a(x))) -> b(a(x))
  weak:
   
  Matrix Interpretation Processor:
   dimension: 1
   interpretation:
    [b](x0) = x0 + 29,
    
    [a](x0) = x0 + 3
   orientation:
    a(b(a(x))) = x + 35 >= x + 32 = b(a(x))
   problem:
    strict:
     
    weak:
     a(b(a(x))) -> b(a(x))
   Qed