9.445 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.023 * * * [progress]: [2/2] Setting up program.
0.026 * [progress]: [Phase 2 of 3] Improving.
0.026 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (/ (+ c (sqrt (+ (* c c) 4.0))) 2.0) x)
0.029 * * [simplify]: iteration  0 :  14  enodes  (cost  6 )
0.030 * * [simplify]: iteration  1 :  15  enodes  (cost  6 )
0.031 * * [simplify]: iteration  2 :  15  enodes  (cost  6 )
0.031 * [simplify]: Simplified to:
   (- (/ (+ c (sqrt (+ (* c c) 4.0))) 2.0) x)
0.032 * [progress]: [Phase 3 of 3] Extracting.
0.034 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (/ (+ c (sqrt (+ (* c c) 4.0))) 2.0) x)
0.035 * * [simplify]: iteration  0 :  12  enodes  (cost  6 )
0.035 * * [simplify]: iteration  1 :  12  enodes  (cost  6 )
0.035 * [simplify]: Simplified to:
   (- (/ (+ c (sqrt (+ (* c c) 4.0))) 2.0) x)
0.974 * [regime-testing]: End program error score: 18.801926992078187