4.985 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.013 * * * [progress]: [2/2] Setting up program.
0.016 * [progress]: [Phase 2 of 3] Improving.
0.016 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ 2.0 (+ (exp x) (exp (neg x))))
0.018 * * [simplify]: iteration  0 :  10  enodes  (cost  5 )
0.019 * * [simplify]: iteration  1 :  12  enodes  (cost  5 )
0.019 * * [simplify]: iteration  2 :  14  enodes  (cost  5 )
0.020 * * [simplify]: iteration  3 :  15  enodes  (cost  5 )
0.022 * * [simplify]: iteration  4 :  20  enodes  (cost  5 )
0.023 * * [simplify]: iteration  5 :  40  enodes  (cost  5 )
0.024 * * [simplify]: iteration  6 :  61  enodes  (cost  5 )
0.025 * * [simplify]: iteration  7 :  143  enodes  (cost  5 )
0.034 * * [simplify]: iteration  8 :  1357  enodes  (cost  5 )
0.146 * * [simplify]: iteration  9 :  5001  enodes  (cost  5 )
0.147 * [simplify]: Simplified to:
   (/ 2.0 (+ (exp x) (exp (neg x))))
0.147 * * [progress]: iteration 1 / 4
0.147 * * * [progress]: picking best candidate
0.149 * * * * [pick]: Picked  #<alt (λ (x) (/ 2.0 (+ (exp x) (exp (neg x)))))>
0.149 * * * [progress]: localizing error
0.155 * * * [progress]: generating rewritten candidates
0.155 * * * [progress]: generating series expansions
0.155 * * * [progress]: simplifying candidates
0.155 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.157 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.157 * [simplify]: Simplified to:
   
0.157 * * * [progress]: adding candidates to table
0.158 * [progress]: [Phase 3 of 3] Extracting.
0.163 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ 2.0 (+ (exp x) (exp (neg x))))
0.164 * * [simplify]: iteration  0 :  8  enodes  (cost  5 )
0.164 * * [simplify]: iteration  1 :  8  enodes  (cost  5 )
0.164 * [simplify]: Simplified to:
   (/ 2.0 (+ (exp x) (exp (neg x))))
0.744 * [regime-testing]: End program error score: 0.007449051444020647