3.401 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.098 * * * [progress]: [2/2] Setting up program.
0.101 * [progress]: [Phase 2 of 3] Improving.
0.102 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (+ (sin (+ x y)) (sin (- x y))) (* 2.0 y))
0.104 * * [simplify]: iteration  0 :  17  enodes  (cost  7 )
0.105 * * [simplify]: iteration  1 :  20  enodes  (cost  7 )
0.106 * * [simplify]: iteration  2 :  20  enodes  (cost  7 )
0.106 * [simplify]: Simplified to:
   (/ (+ (sin (+ x y)) (sin (- x y))) (* 2.0 y))
0.107 * [progress]: [Phase 3 of 3] Extracting.
0.109 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (+ (sin (+ x y)) (sin (- x y))) (* 2.0 y))
0.110 * * [simplify]: iteration  0 :  13  enodes  (cost  7 )
0.110 * * [simplify]: iteration  1 :  13  enodes  (cost  7 )
0.110 * [simplify]: Simplified to:
   (/ (+ (sin (+ x y)) (sin (- x y))) (* 2.0 y))
3.336 * [regime-testing]: End program error score: 29.483806740035693