/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(f(a())) -> c()

Proof:
 Matrix Interpretation Processor: dim=3
  
  interpretation:
         [0]
   [c] = [0]
         [0],
   
             [1 1 0]     [0]
   [f](x0) = [0 0 0]x0 + [1]
             [0 0 0]     [0],
   
         [0]
   [a] = [0]
         [0]
  orientation:
               [1]    [0]      
   f(f(a())) = [1] >= [0] = c()
               [0]    [0]      
  problem:
   
  Qed