MAYBE

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

Proof:
 RT Transformation Processor:
  strict:
   a(b(x1)) -> b(a(a(a(x1))))
   b(a(x1)) -> a(a(x1))
   a(a(x1)) -> a(c(b(x1)))
  weak:
   
  Matrix Interpretation Processor:
   dimension: 1
   interpretation:
    [c](x0) = x0 + 8,
    
    [a](x0) = x0 + 16,
    
    [b](x0) = x0
   orientation:
    a(b(x1)) = x1 + 16 >= x1 + 48 = b(a(a(a(x1))))
    
    b(a(x1)) = x1 + 16 >= x1 + 32 = a(a(x1))
    
    a(a(x1)) = x1 + 32 >= x1 + 24 = a(c(b(x1)))
   problem:
    strict:
     a(b(x1)) -> b(a(a(a(x1))))
     b(a(x1)) -> a(a(x1))
    weak:
     a(a(x1)) -> a(c(b(x1)))
   Open