YES

Problem:
 rev(nil()) -> nil()
 rev(rev(x)) -> x
 rev(++(x,y)) -> ++(rev(y),rev(x))
 ++(nil(),y) -> y
 ++(x,nil()) -> x
 ++(.(x,y),z) -> .(x,++(y,z))
 ++(x,++(y,z)) -> ++(++(x,y),z)
 make(x) -> .(x,nil())

Proof:
 Matrix Interpretation Processor: dim=1
  
  interpretation:
   [make](x0) = 6x0 + 4,
   
   [.](x0, x1) = 4x0 + x1 + 2,
   
   [++](x0, x1) = x0 + x1 + 6,
   
   [rev](x0) = 4x0,
   
   [nil] = 2
  orientation:
   rev(nil()) = 8 >= 2 = nil()
   
   rev(rev(x)) = 16x >= x = x
   
   rev(++(x,y)) = 4x + 4y + 24 >= 4x + 4y + 6 = ++(rev(y),rev(x))
   
   ++(nil(),y) = y + 8 >= y = y
   
   ++(x,nil()) = x + 8 >= x = x
   
   ++(.(x,y),z) = 4x + y + z + 8 >= 4x + y + z + 8 = .(x,++(y,z))
   
   ++(x,++(y,z)) = x + y + z + 12 >= x + y + z + 12 = ++(++(x,y),z)
   
   make(x) = 6x + 4 >= 4x + 4 = .(x,nil())
  problem:
   rev(rev(x)) -> x
   ++(.(x,y),z) -> .(x,++(y,z))
   ++(x,++(y,z)) -> ++(++(x,y),z)
   make(x) -> .(x,nil())
  Matrix Interpretation Processor: dim=1
   
   interpretation:
    [make](x0) = 5x0 + 7,
    
    [.](x0, x1) = 4x0 + x1 + 1,
    
    [++](x0, x1) = x0 + x1,
    
    [rev](x0) = x0 + 4,
    
    [nil] = 5
   orientation:
    rev(rev(x)) = x + 8 >= x = x
    
    ++(.(x,y),z) = 4x + y + z + 1 >= 4x + y + z + 1 = .(x,++(y,z))
    
    ++(x,++(y,z)) = x + y + z >= x + y + z = ++(++(x,y),z)
    
    make(x) = 5x + 7 >= 4x + 6 = .(x,nil())
   problem:
    ++(.(x,y),z) -> .(x,++(y,z))
    ++(x,++(y,z)) -> ++(++(x,y),z)
   Matrix Interpretation Processor: dim=1
    
    interpretation:
     [.](x0, x1) = x0 + x1 + 1,
     
     [++](x0, x1) = x0 + 4x1 + 3
    orientation:
     ++(.(x,y),z) = x + y + 4z + 4 >= x + y + 4z + 4 = .(x,++(y,z))
     
     ++(x,++(y,z)) = x + 4y + 16z + 15 >= x + 4y + 4z + 6 = ++(++(x,y),z)
    problem:
     ++(.(x,y),z) -> .(x,++(y,z))
    Matrix Interpretation Processor: dim=1
     
     interpretation:
      [.](x0, x1) = 5x0 + x1 + 1,
      
      [++](x0, x1) = 5x0 + x1 + 1
     orientation:
      ++(.(x,y),z) = 25x + 5y + z + 6 >= 5x + 5y + z + 2 = .(x,++(y,z))
     problem:
      
     Qed