2.400 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.032 * * * [progress]: [2/2] Setting up program.
0.035 * [progress]: [Phase 2 of 3] Improving.
0.035 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (sqrt (+ (* 16.0 (pow x 2.0)) 1.0)) (* 4.0 x))
0.038 * * [simplify]: iteration  0 :  20  enodes  (cost  6 )
0.039 * * [simplify]: iteration  1 :  36  enodes  (cost  6 )
0.040 * * [simplify]: iteration  2 :  63  enodes  (cost  6 )
0.042 * * [simplify]: iteration  3 :  148  enodes  (cost  6 )
0.045 * * [simplify]: iteration  4 :  452  enodes  (cost  6 )
0.055 * * [simplify]: iteration  5 :  1941  enodes  (cost  6 )
0.099 * * [simplify]: iteration  6 :  5002  enodes  (cost  6 )
0.099 * [simplify]: Simplified to:
   (- (sqrt (+ (* 16.0 (pow x 2.0)) 1.0)) (* 4.0 x))
0.100 * [progress]: [Phase 3 of 3] Extracting.
0.102 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (sqrt (+ (* 16.0 (pow x 2.0)) 1.0)) (* 4.0 x))
0.102 * * [simplify]: iteration  0 :  14  enodes  (cost  6 )
0.103 * * [simplify]: iteration  1 :  14  enodes  (cost  6 )
0.103 * [simplify]: Simplified to:
   (- (sqrt (+ (* 16.0 (pow x 2.0)) 1.0)) (* 4.0 x))
1.173 * [regime-testing]: End program error score: 23.693765153256898