0.881 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.270 * * * [progress]: [2/2] Setting up program.
0.272 * [progress]: [Phase 2 of 3] Improving.
0.275 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* 0.5 (- (* x x) y))
0.278 * * [simplify]: iteration  0 :  9  enodes  (cost  3 )
0.280 * * [simplify]: iteration  1 :  16  enodes  (cost  3 )
0.281 * * [simplify]: iteration  2 :  26  enodes  (cost  3 )
0.282 * * [simplify]: iteration  3 :  33  enodes  (cost  3 )
0.284 * * [simplify]: iteration  4 :  33  enodes  (cost  3 )
0.284 * [simplify]: Simplified to:
   (* 0.5 (- (* x x) y))
0.285 * * [progress]: iteration 1 / 4
0.285 * * * [progress]: picking best candidate
0.287 * * * * [pick]: Picked  #<alt (λ (x y) (* 0.5 (- (* x x) y)))>
0.287 * * * [progress]: localizing error
0.294 * * * [progress]: generating rewritten candidates
0.295 * * * [progress]: generating series expansions
0.295 * * * [progress]: simplifying candidates
0.295 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.297 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.297 * [simplify]: Simplified to:
   
0.297 * * * [progress]: adding candidates to table
0.297 * [progress]: [Phase 3 of 3] Extracting.
0.299 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* 0.5 (- (* x x) y))
0.300 * * [simplify]: iteration  0 :  7  enodes  (cost  3 )
0.300 * * [simplify]: iteration  1 :  7  enodes  (cost  3 )
0.300 * [simplify]: Simplified to:
   (* 0.5 (- (* x x) y))
0.710 * [regime-testing]: End program error score: 0.004750593824228029