4.886 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.018 * * * [progress]: [2/2] Setting up program.
0.020 * [progress]: [Phase 2 of 3] Improving.
0.020 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (* x x) (* y y))
0.023 * * [simplify]: iteration  0 :  11  enodes  (cost  3 )
0.024 * * [simplify]: iteration  1 :  18  enodes  (cost  3 )
0.025 * * [simplify]: iteration  2 :  35  enodes  (cost  3 )
0.027 * * [simplify]: iteration  3 :  67  enodes  (cost  3 )
0.029 * * [simplify]: iteration  4 :  163  enodes  (cost  3 )
0.031 * * [simplify]: iteration  5 :  294  enodes  (cost  3 )
0.035 * * [simplify]: iteration  6 :  541  enodes  (cost  3 )
0.045 * * [simplify]: iteration  7 :  2138  enodes  (cost  3 )
0.102 * * [simplify]: iteration  8 :  5001  enodes  (cost  3 )
0.102 * [simplify]: Simplified to:
   (- (* x x) (* y y))
0.102 * * [progress]: iteration 1 / 4
0.102 * * * [progress]: picking best candidate
0.103 * * * * [pick]: Picked  #<alt (λ (x y) (- (* x x) (* y y)))>
0.103 * * * [progress]: localizing error
0.108 * * * [progress]: generating rewritten candidates
0.108 * * * [progress]: generating series expansions
0.108 * * * [progress]: simplifying candidates
0.108 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.110 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.110 * [simplify]: Simplified to:
   
0.110 * * * [progress]: adding candidates to table
0.110 * [progress]: [Phase 3 of 3] Extracting.
0.111 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (* x x) (* y y))
0.112 * * [simplify]: iteration  0 :  5  enodes  (cost  3 )
0.112 * [simplify]: Simplified to:
   (- (* x x) (* y y))
0.612 * [regime-testing]: End program error score: 0.006733089260548515