8.492 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.012 * * * [progress]: [2/2] Setting up program.
0.014 * [progress]: [Phase 2 of 3] Improving.
0.014 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ 2.0 (+ (exp x) (exp (- x))))
0.016 * * [simplify]: iteration  0 :  10  enodes  (cost  5 )
0.017 * * [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 )
0.021 * * [simplify]: iteration  4 :  20  enodes  (cost  5 )
0.022 * * [simplify]: iteration  5 :  41  enodes  (cost  5 )
0.024 * * [simplify]: iteration  6 :  66  enodes  (cost  5 )
0.026 * * [simplify]: iteration  7 :  165  enodes  (cost  5 )
0.033 * * [simplify]: iteration  8 :  1123  enodes  (cost  5 )
0.227 * * [simplify]: iteration  9 :  5001  enodes  (cost  5 )
0.228 * [simplify]: Simplified to:
   (/ 2.0 (+ (exp x) (exp (- x))))
0.228 * * [progress]: iteration 1 / 4
0.228 * * * [progress]: picking best candidate
0.230 * * * * [pick]: Picked  #<alt (λ (x) (/ 2.0 (+ (exp x) (exp (- x)))))>
0.230 * * * [progress]: localizing error
0.235 * * * [progress]: generating rewritten candidates
0.235 * * * [progress]: generating series expansions
0.235 * * * [progress]: simplifying candidates
0.236 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.238 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.238 * [simplify]: Simplified to:
   
0.238 * * * [progress]: adding candidates to table
0.238 * [progress]: [Phase 3 of 3] Extracting.
0.240 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ 2.0 (+ (exp x) (exp (- x))))
0.240 * * [simplify]: iteration  0 :  8  enodes  (cost  5 )
0.241 * * [simplify]: iteration  1 :  8  enodes  (cost  5 )
0.241 * [simplify]: Simplified to:
   (/ 2.0 (+ (exp x) (exp (- x))))
0.650 * [regime-testing]: End program error score: 0.008918596074869936