35.166 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.013 * * * [progress]: [2/2] Setting up program.
0.015 * [progress]: [Phase 2 of 3] Improving.
0.015 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ x (/ (- x y) 2.0))
0.018 * * [simplify]: iteration  0 :  12  enodes  (cost  3 )
0.020 * * [simplify]: iteration  1 :  19  enodes  (cost  3 )
0.022 * * [simplify]: iteration  2 :  29  enodes  (cost  3 )
0.024 * * [simplify]: iteration  3 :  41  enodes  (cost  3 )
0.026 * * [simplify]: iteration  4 :  51  enodes  (cost  3 )
0.028 * * [simplify]: iteration  5 :  79  enodes  (cost  3 )
0.030 * * [simplify]: iteration  6 :  134  enodes  (cost  3 )
0.033 * * [simplify]: iteration  7 :  169  enodes  (cost  3 )
0.035 * * [simplify]: iteration  8 :  185  enodes  (cost  3 )
0.037 * * [simplify]: iteration  9 :  213  enodes  (cost  3 )
0.040 * * [simplify]: iteration  10 :  226  enodes  (cost  3 )
0.043 * * [simplify]: iteration  11 :  226  enodes  (cost  3 )
0.043 * [simplify]: Simplified to:
   (+ x (/ (- x y) 2.0))
0.043 * * [progress]: iteration 1 / 4
0.043 * * * [progress]: picking best candidate
0.044 * * * * [pick]: Picked  #<alt (λ (x y) (+ x (/ (- x y) 2.0)))>
0.044 * * * [progress]: localizing error
0.052 * * * [progress]: generating rewritten candidates
0.052 * * * [progress]: generating series expansions
0.052 * * * [progress]: simplifying candidates
0.052 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.056 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.056 * [simplify]: Simplified to:
   
0.056 * * * [progress]: adding candidates to table
0.056 * [progress]: [Phase 3 of 3] Extracting.
0.057 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ x (/ (- x y) 2.0))
0.059 * * [simplify]: iteration  0 :  7  enodes  (cost  3 )
0.059 * * [simplify]: iteration  1 :  7  enodes  (cost  3 )
0.059 * [simplify]: Simplified to:
   (+ x (/ (- x y) 2.0))
0.441 * [regime-testing]: End program error score: 0.08970933397933756
0.457 * [regime-testing]: Target error score: 0.08678208838622856