37.781 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.017 * * * [progress]: [2/2] Setting up program.
0.019 * [progress]: [Phase 2 of 3] Improving.
0.020 * [simplify]: Simplifying:
  (+ x (/ (- x y) 2.0))
0.020 * * [simplify]: Extracting # 0 : cost  0
0.020 * * [simplify]: Extracting # 1 : cost  0
0.020 * * [simplify]: Extracting # 2 : cost  0
0.020 * * [simplify]: Extracting # 3 : cost  0
0.020 * * [simplify]: Extracting # 4 : cost  0
0.020 * * [simplify]: Extracting # 5 : cost  0
0.020 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
0.022 * * [simplify]: Extracting # 0 : cost  0
0.022 * * [simplify]: Extracting # 1 : cost  0
0.022 * * [simplify]: Extracting # 2 : cost  0
0.022 * * [simplify]: iteration  1 :  12  enodes  (cost  7 )
0.026 * * [simplify]: Extracting # 0 : cost  0
0.026 * * [simplify]: Extracting # 1 : cost  0
0.026 * * [simplify]: Extracting # 2 : cost  0
0.026 * * [simplify]: iteration  2 :  19  enodes  (cost  7 )
0.031 * * [simplify]: Extracting # 0 : cost  0
0.031 * * [simplify]: Extracting # 1 : cost  0
0.031 * * [simplify]: Extracting # 2 : cost  0
0.031 * * [simplify]: iteration  3 :  29  enodes  (cost  7 )
0.035 * * [simplify]: Extracting # 0 : cost  0
0.035 * * [simplify]: Extracting # 1 : cost  0
0.035 * * [simplify]: Extracting # 2 : cost  0
0.035 * * [simplify]: iteration  4 :  40  enodes  (cost  7 )
0.042 * * [simplify]: Extracting # 0 : cost  0
0.042 * * [simplify]: Extracting # 1 : cost  0
0.042 * * [simplify]: Extracting # 2 : cost  0
0.042 * * [simplify]: iteration  5 :  45  enodes  (cost  7 )
0.048 * * [simplify]: Extracting # 0 : cost  0
0.048 * * [simplify]: Extracting # 1 : cost  0
0.048 * * [simplify]: Extracting # 2 : cost  0
0.048 * * [simplify]: iteration  6 :  49  enodes  (cost  7 )
0.054 * * [simplify]: Extracting # 0 : cost  0
0.054 * * [simplify]: Extracting # 1 : cost  0
0.054 * * [simplify]: Extracting # 2 : cost  0
0.054 * * [simplify]: iteration  7 :  58  enodes  (cost  7 )
0.076 * * [simplify]: Extracting # 0 : cost  0
0.076 * * [simplify]: Extracting # 1 : cost  0
0.076 * * [simplify]: Extracting # 2 : cost  0
0.076 * * [simplify]: iteration  8 :  74  enodes  (cost  7 )
0.097 * * [simplify]: Extracting # 0 : cost  0
0.098 * * [simplify]: Extracting # 1 : cost  0
0.098 * * [simplify]: Extracting # 2 : cost  0
0.098 * * [simplify]: iteration  9 :  90  enodes  (cost  7 )
0.114 * * [simplify]: Extracting # 0 : cost  0
0.114 * * [simplify]: Extracting # 1 : cost  0
0.115 * * [simplify]: iteration  10 :  101  enodes  (cost  7 )
0.129 * * [simplify]: Extracting # 0 : cost  0
0.129 * * [simplify]: Extracting # 1 : cost  0
0.129 * * [simplify]: Extracting # 2 : cost  0
0.129 * * [simplify]: iteration  11 :  103  enodes  (cost  7 )
0.143 * * [simplify]: Extracting # 0 : cost  0
0.143 * * [simplify]: Extracting # 1 : cost  0
0.143 * * [simplify]: Extracting # 2 : cost  0
0.143 * * [simplify]: iteration  12 :  107  enodes  (cost  7 )
0.161 * * [simplify]: Extracting # 0 : cost  0
0.161 * * [simplify]: Extracting # 1 : cost  0
0.161 * * [simplify]: Extracting # 2 : cost  0
0.162 * * [simplify]: iteration  13 :  108  enodes  (cost  7 )
0.178 * * [simplify]: Extracting # 0 : cost  0
0.178 * * [simplify]: iteration done:  108  enodes  (cost  7 )
0.178 * [simplify]: Simplified to:
  (+ x (/ (- x y) 2.0))
0.178 * * [progress]: iteration 1 / 4
0.178 * * * [progress]: picking best candidate
0.180 * * * * [pick]: Picked  #<alt (λ (x y) (+ x (/ (- x y) 2.0)))>
0.180 * * * [progress]: localizing error
0.186 * * * [progress]: generating rewritten candidates
0.186 * * * [progress]: generating series expansions
0.186 * * * [progress]: simplifying candidates
0.187 * [simplify]: Simplifying:
  
0.187 * * [simplify]: Extracting # 0 : cost  0
0.187 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.187 * * [simplify]: Extracting # 0 : cost  0
0.187 * * [simplify]: iteration done:  0  enodes  (cost  0 )
0.187 * [simplify]: Simplified to:
  
0.187 * * * [progress]: adding candidates to table
0.187 * [progress]: [Phase 3 of 3] Extracting.
0.189 * [simplify]: Simplifying:
  (+ x (/ (- x y) 2.0))
0.189 * * [simplify]: Extracting # 0 : cost  0
0.190 * * [simplify]: Extracting # 1 : cost  0
0.190 * * [simplify]: Extracting # 2 : cost  0
0.190 * * [simplify]: Extracting # 3 : cost  0
0.190 * * [simplify]: Extracting # 4 : cost  0
0.190 * * [simplify]: Extracting # 5 : cost  0
0.190 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
0.190 * * [simplify]: Extracting # 0 : cost  0
0.190 * * [simplify]: iteration  1 :  7  enodes  (cost  7 )
0.191 * * [simplify]: Extracting # 0 : cost  0
0.191 * * [simplify]: iteration done:  7  enodes  (cost  7 )
0.191 * [simplify]: Simplified to:
  (+ x (/ (- x y) 2.0))
0.934 * [regime-testing]: End program error score: 0.08413551693961745
0.966 * [regime-testing]: Target error score: 0.0834585526316691