0.711 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.238 * * * [progress]: [2/2] Setting up program.
0.241 * [progress]: [Phase 2 of 3] Improving.
0.244 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* 0.5 (- (* x x) y))
0.673 * * [simplify]: iteration  0 :  7  enodes  (cost  7 )
0.687 * * [simplify]: iteration  1 :  7  enodes  (cost  7 )
0.687 * [simplify]: Simplified to:
   (* 0.5 (- (* x x) y))
0.689 * * [progress]: iteration 1 / 4
0.689 * * * [progress]: picking best candidate
0.692 * * * * [pick]: Picked  #<alt (λ (x y) (* 0.5 (- (* x x) y)))>
0.692 * * * [progress]: localizing error
0.698 * * * [progress]: generating rewritten candidates
0.699 * * * [progress]: generating series expansions
0.699 * * * [progress]: simplifying candidates
0.699 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.701 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.701 * [simplify]: Simplified to:
   
0.701 * * * [progress]: adding candidates to table
0.702 * [progress]: [Phase 3 of 3] Extracting.
0.704 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* 0.5 (- (* x x) y))
0.705 * * [simplify]: iteration  0 :  7  enodes  (cost  7 )
0.705 * * [simplify]: iteration  1 :  7  enodes  (cost  7 )
0.705 * [simplify]: Simplified to:
   (* 0.5 (- (* x x) y))
1.241 * [regime-testing]: End program error score: 0.027503437929741217