0.775 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.023 * * * [progress]: [2/2] Setting up program.
0.027 * [progress]: [Phase 2 of 3] Improving.
0.030 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* 0.5 (- (* x x) y))
0.622 * * [simplify]: iteration  0 :  9  enodes  (cost  3 )
0.623 * * [simplify]: iteration  1 :  16  enodes  (cost  3 )
0.624 * * [simplify]: iteration  2 :  26  enodes  (cost  3 )
0.625 * * [simplify]: iteration  3 :  33  enodes  (cost  3 )
0.626 * * [simplify]: iteration  4 :  33  enodes  (cost  3 )
0.627 * [simplify]: Simplified to:
   (* 0.5 (- (* x x) y))
0.629 * * [progress]: iteration 1 / 4
0.629 * * * [progress]: picking best candidate
0.632 * * * * [pick]: Picked  #<alt (λ (x y) (* 0.5 (- (* x x) y)))>
0.632 * * * [progress]: localizing error
0.638 * * * [progress]: generating rewritten candidates
0.639 * * * [progress]: generating series expansions
0.639 * * * [progress]: simplifying candidates
0.639 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.641 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.641 * [simplify]: Simplified to:
   
0.641 * * * [progress]: adding candidates to table
0.641 * [progress]: [Phase 3 of 3] Extracting.
0.644 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* 0.5 (- (* x x) y))
0.644 * * [simplify]: iteration  0 :  7  enodes  (cost  3 )
0.644 * * [simplify]: iteration  1 :  7  enodes  (cost  3 )
0.645 * [simplify]: Simplified to:
   (* 0.5 (- (* x x) y))
1.305 * [regime-testing]: End program error score: 0.02100262532816602