0.853 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.264 * * * [progress]: [2/2] Setting up program.
0.267 * [progress]: [Phase 2 of 3] Improving.
0.269 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* 0.5 (- (* x x) y))
0.273 * * [simplify]: iteration  0 :  10  enodes  (cost  3 )
0.274 * * [simplify]: iteration  1 :  17  enodes  (cost  3 )
0.276 * * [simplify]: iteration  2 :  29  enodes  (cost  3 )
0.277 * * [simplify]: iteration  3 :  41  enodes  (cost  3 )
0.278 * * [simplify]: iteration  4 :  44  enodes  (cost  3 )
0.280 * * [simplify]: iteration  5 :  44  enodes  (cost  3 )
0.280 * [simplify]: Simplified to:
   (* 0.5 (- (* x x) y))
0.282 * * [progress]: iteration 1 / 4
0.282 * * * [progress]: picking best candidate
0.283 * * * * [pick]: Picked  #<alt (λ (x y) (* 0.5 (- (* x x) y)))>
0.283 * * * [progress]: localizing error
0.290 * * * [progress]: generating rewritten candidates
0.291 * * * [progress]: generating series expansions
0.291 * * * [progress]: simplifying candidates
0.291 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.293 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.293 * [simplify]: Simplified to:
   
0.293 * * * [progress]: adding candidates to table
0.294 * [progress]: [Phase 3 of 3] Extracting.
0.296 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* 0.5 (- (* x x) y))
0.296 * * [simplify]: iteration  0 :  7  enodes  (cost  3 )
0.296 * * [simplify]: iteration  1 :  7  enodes  (cost  3 )
0.296 * [simplify]: Simplified to:
   (* 0.5 (- (* x x) y))
0.698 * [regime-testing]: End program error score: 0.004750593824228029