7.272 * [progress]: [Phase 1 of 3] Setting up.
0.000 * * * [progress]: [1/2] Preparing points
0.028 * * * [progress]: [2/2] Setting up program.
0.031 * [progress]: [Phase 2 of 3] Improving.
0.031 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (neg b) (sqrt (- (- (pow x 2.0) (* 2.0 x)) (* 4.0 b))))
0.033 * * [simplify]: iteration  0 :  25  enodes  (cost  8 )
0.034 * * [simplify]: iteration  1 :  53  enodes  (cost  7 )
0.035 * * [simplify]: iteration  2 :  86  enodes  (cost  7 )
0.037 * * [simplify]: iteration  3 :  151  enodes  (cost  7 )
0.040 * * [simplify]: iteration  4 :  334  enodes  (cost  7 )
0.047 * * [simplify]: iteration  5 :  1393  enodes  (cost  7 )
0.076 * * [simplify]: iteration  6 :  5002  enodes  (cost  7 )
0.076 * [simplify]: Simplified to:
   (- (sqrt (- (- (pow x 2.0) (* 2.0 x)) (* 4.0 b))) b)
0.085 * [progress]: [Phase 3 of 3] Extracting.
0.088 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (sqrt (- (- (pow x 2.0) (* 2.0 x)) (* 4.0 b))) b)
0.089 * * [simplify]: iteration  0 :  13  enodes  (cost  7 )
0.089 * * [simplify]: iteration  1 :  13  enodes  (cost  7 )
0.089 * [simplify]: Simplified to:
   (- (sqrt (- (- (pow x 2.0) (* 2.0 x)) (* 4.0 b))) b)
1.255 * [regime-testing]: End program error score: 22.749718714839354