/export/starexec/sandbox/solver/bin/starexec_run_ttt2-1.17+nonreach /export/starexec/sandbox/benchmark/theBenchmark.xml /export/starexec/sandbox/output/output_files


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YES

Problem:
 f(c(s(x),y)) -> f(c(x,s(y)))
 g(c(x,s(y))) -> g(c(s(x),y))
 g(s(f(x))) -> g(f(x))

Proof:
 Matrix Interpretation Processor: dim=1
  
  interpretation:
   [g](x0) = x0 + 6,
   
   [f](x0) = x0 + 4,
   
   [c](x0, x1) = x0 + x1 + 7,
   
   [s](x0) = x0 + 1
  orientation:
   f(c(s(x),y)) = x + y + 12 >= x + y + 12 = f(c(x,s(y)))
   
   g(c(x,s(y))) = x + y + 14 >= x + y + 14 = g(c(s(x),y))
   
   g(s(f(x))) = x + 11 >= x + 10 = g(f(x))
  problem:
   f(c(s(x),y)) -> f(c(x,s(y)))
   g(c(x,s(y))) -> g(c(s(x),y))
  Matrix Interpretation Processor: dim=3
   
   interpretation:
              [1 0 0]     [1]
    [g](x0) = [0 0 0]x0 + [0]
              [0 0 0]     [0],
    
              [1 0 1]  
    [f](x0) = [0 0 0]x0
              [0 0 0]  ,
    
                  [1 0 0]     [1 0 0]  
    [c](x0, x1) = [0 0 0]x0 + [0 0 0]x1
                  [0 1 0]     [0 0 0]  ,
    
              [1 0 0]     [0]
    [s](x0) = [0 1 0]x0 + [1]
              [0 0 0]     [0]
   orientation:
                   [1 1 0]    [1 0 0]    [1]    [1 1 0]    [1 0 0]                
    f(c(s(x),y)) = [0 0 0]x + [0 0 0]y + [0] >= [0 0 0]x + [0 0 0]y = f(c(x,s(y)))
                   [0 0 0]    [0 0 0]    [0]    [0 0 0]    [0 0 0]                
    
                   [1 0 0]    [1 0 0]    [1]    [1 0 0]    [1 0 0]    [1]               
    g(c(x,s(y))) = [0 0 0]x + [0 0 0]y + [0] >= [0 0 0]x + [0 0 0]y + [0] = g(c(s(x),y))
                   [0 0 0]    [0 0 0]    [0]    [0 0 0]    [0 0 0]    [0]               
   problem:
    g(c(x,s(y))) -> g(c(s(x),y))
   Matrix Interpretation Processor: dim=3
    
    interpretation:
               [1 0 1]  
     [g](x0) = [0 0 0]x0
               [0 0 0]  ,
     
                   [1 0 0]     [1 0 1]  
     [c](x0, x1) = [0 1 0]x0 + [0 0 0]x1
                   [0 0 0]     [0 1 0]  ,
     
               [1 0 0]     [0]
     [s](x0) = [0 0 0]x0 + [1]
               [0 1 1]     [0]
    orientation:
                    [1 0 0]    [1 1 1]    [1]    [1 0 0]    [1 1 1]                
     g(c(x,s(y))) = [0 0 0]x + [0 0 0]y + [0] >= [0 0 0]x + [0 0 0]y = g(c(s(x),y))
                    [0 0 0]    [0 0 0]    [0]    [0 0 0]    [0 0 0]                
    problem:
     
    Qed