/export/starexec/sandbox2/solver/bin/starexec_run_ttt2 /export/starexec/sandbox2/benchmark/theBenchmark.xml /export/starexec/sandbox2/output/output_files


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YES

Problem:
 strict:
  f(g(x)) -> x
 weak:
  a() -> h(g(f(a())))

Proof:
 Arctic Interpretation Processor:
  dimension: 2
  interpretation:
             [0  0 ]  
   [f](x0) = [-& 5 ]x0,
   
             [0  -&]  
   [h](x0) = [0  -&]x0,
   
             [0  -&]  
   [g](x0) = [2  0 ]x0,
   
         [4]
   [a] = [4]
  orientation:
             [2 0]          
   f(g(x)) = [7 5]x >= x = x
   
         [4]    [4]               
   a() = [4] >= [4] = h(g(f(a())))
  problem:
   strict:
    
   weak:
    a() -> h(g(f(a())))
  Qed