MAYBE

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

Proof:
 RT Transformation Processor:
  strict:
   a(a(a(x1))) -> b(x1)
   b(c(x1)) -> c(c(a(a(a(a(x1))))))
  weak:
   
  Matrix Interpretation Processor:
   dimension: 1
   interpretation:
    [c](x0) = x0 + 18,
    
    [b](x0) = x0 + 23,
    
    [a](x0) = x0 + 1
   orientation:
    a(a(a(x1))) = x1 + 3 >= x1 + 23 = b(x1)
    
    b(c(x1)) = x1 + 41 >= x1 + 40 = c(c(a(a(a(a(x1))))))
   problem:
    strict:
     a(a(a(x1))) -> b(x1)
    weak:
     b(c(x1)) -> c(c(a(a(a(a(x1))))))
   Open