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


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YES

Problem:
 f(x,g(x)) -> x
 f(x,h(y)) -> f(h(x),y)

Proof:
 Matrix Interpretation Processor: dim=1
  
  interpretation:
   [f](x0, x1) = x0 + 5x1 + 1,
   
   [g](x0) = 4x0,
   
   [h](x0) = x0 + 4
  orientation:
   f(x,g(x)) = 21x + 1 >= x = x
   
   f(x,h(y)) = x + 5y + 21 >= x + 5y + 5 = f(h(x),y)
  problem:
   
  Qed