MAYBE

Problem:
 b(b(b(x1))) -> a(a(x1))
 a(a(x1)) -> b(a(b(x1)))

Proof:
 RT Transformation Processor:
  strict:
   b(b(b(x1))) -> a(a(x1))
   a(a(x1)) -> b(a(b(x1)))
  weak:
   
  Matrix Interpretation Processor:
   dimension: 1
   interpretation:
    [a](x0) = x0 + 30,
    
    [b](x0) = x0 + 13
   orientation:
    b(b(b(x1))) = x1 + 39 >= x1 + 60 = a(a(x1))
    
    a(a(x1)) = x1 + 60 >= x1 + 56 = b(a(b(x1)))
   problem:
    strict:
     b(b(b(x1))) -> a(a(x1))
    weak:
     a(a(x1)) -> b(a(b(x1)))
   Open