MAYBE

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

Proof:
 RT Transformation Processor:
  strict:
   a(a(a(x1))) -> b(b(b(x1)))
   b(a(a(b(x1)))) -> x1
   b(a(a(b(x1)))) -> b(a(a(a(b(x1)))))
  weak:
   
  Matrix Interpretation Processor:
   dimension: 1
   interpretation:
    [b](x0) = x0,
    
    [a](x0) = x0 + 16
   orientation:
    a(a(a(x1))) = x1 + 48 >= x1 = b(b(b(x1)))
    
    b(a(a(b(x1)))) = x1 + 32 >= x1 = x1
    
    b(a(a(b(x1)))) = x1 + 32 >= x1 + 48 = b(a(a(a(b(x1)))))
   problem:
    strict:
     b(a(a(b(x1)))) -> b(a(a(a(b(x1)))))
    weak:
     a(a(a(x1))) -> b(b(b(x1)))
     b(a(a(b(x1)))) -> x1
   Open