18.706 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.012 * * * [progress]: [2/2] Setting up program.
0.015 * [progress]: [Phase 2 of 3] Improving.
0.015 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (- x y) (+ x y))
0.017 * * [simplify]: iteration  0 :  11  enodes  (cost  3 )
0.018 * * [simplify]: iteration  1 :  14  enodes  (cost  3 )
0.019 * * [simplify]: iteration  2 :  16  enodes  (cost  3 )
0.020 * * [simplify]: iteration  3 :  16  enodes  (cost  3 )
0.020 * [simplify]: Simplified to:
   (/ (- x y) (+ x y))
0.020 * [progress]: [Phase 3 of 3] Extracting.
0.022 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (- x y) (+ x y))
0.023 * * [simplify]: iteration  0 :  6  enodes  (cost  3 )
0.023 * * [simplify]: iteration  1 :  6  enodes  (cost  3 )
0.023 * [simplify]: Simplified to:
   (/ (- x y) (+ x y))
0.578 * [regime-testing]: End program error score: 0.02692329041274391