46.617 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.011 * * * [progress]: [2/2] Setting up program.
0.014 * [progress]: [Phase 2 of 3] Improving.
0.014 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (- x y) 1000.0)
0.016 * * [simplify]: iteration  0 :  10  enodes  (cost  2 )
0.017 * * [simplify]: iteration  1 :  13  enodes  (cost  2 )
0.017 * * [simplify]: iteration  2 :  15  enodes  (cost  2 )
0.018 * * [simplify]: iteration  3 :  15  enodes  (cost  2 )
0.019 * [simplify]: Simplified to:
   (/ (- x y) 1000.0)
0.019 * [progress]: [Phase 3 of 3] Extracting.
0.021 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (- x y) 1000.0)
0.021 * * [simplify]: iteration  0 :  5  enodes  (cost  2 )
0.021 * [simplify]: Simplified to:
   (/ (- x y) 1000.0)
0.555 * [regime-testing]: End program error score: 0.014626828353544194