/export/starexec/sandbox2/solver/bin/starexec_run_ttt2-1.17+nonreach /export/starexec/sandbox2/benchmark/theBenchmark.xml /export/starexec/sandbox2/output/output_files


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YES

Problem:
 *(x,*(minus(y),y)) -> *(minus(*(y,y)),x)

Proof:
 Matrix Interpretation Processor: dim=1
  
  interpretation:
   [*](x0, x1) = 2x0 + 2x1 + 1,
   
   [minus](x0) = x0 + 7
  orientation:
   *(x,*(minus(y),y)) = 2x + 8y + 31 >= 2x + 8y + 17 = *(minus(*(y,y)),x)
  problem:
   
  Qed