/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:
 strict:
  f(x) -> x
 weak:
  a() -> g(a())

Proof:
 Arctic Interpretation Processor:
  dimension: 4
  interpretation:
             [0  0  -& 0 ]  
             [-& -& -& -&]  
   [g](x0) = [0  0  0  1 ]x0
             [-& -& -& -&]  ,
   
         [0]
         [0]
   [a] = [1]
         [0],
   
             [2 0 0 0]  
             [0 2 0 0]  
   [f](x0) = [0 0 1 0]x0
             [0 0 0 2]  
  orientation:
          [2 0 0 0]          
          [0 2 0 0]          
   f(x) = [0 0 1 0]x >= x = x
          [0 0 0 2]          
   
         [0]    [0 ]         
         [0]    [-&]         
   a() = [1] >= [1 ] = g(a())
         [0]    [-&]         
  problem:
   strict:
    
   weak:
    a() -> g(a())
  Qed