7.957 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.021 * * * [progress]: [2/2] Setting up program.
0.024 * [progress]: [Phase 2 of 3] Improving.
0.024 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (sqrt (+ (- (pow x 2.0) (* 6.0 x)) 8.0)) 4.0)
0.026 * * [simplify]: iteration  0 :  23  enodes  (cost  6 )
0.027 * * [simplify]: iteration  1 :  45  enodes  (cost  6 )
0.029 * * [simplify]: iteration  2 :  73  enodes  (cost  6 )
0.030 * * [simplify]: iteration  3 :  130  enodes  (cost  6 )
0.033 * * [simplify]: iteration  4 :  311  enodes  (cost  6 )
0.039 * * [simplify]: iteration  5 :  1330  enodes  (cost  6 )
0.069 * * [simplify]: iteration  6 :  5001  enodes  (cost  6 )
0.069 * [simplify]: Simplified to:
   (- (sqrt (+ (- (pow x 2.0) (* 6.0 x)) 8.0)) 4.0)
0.069 * [progress]: [Phase 3 of 3] Extracting.
0.072 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (sqrt (+ (- (pow x 2.0) (* 6.0 x)) 8.0)) 4.0)
0.072 * * [simplify]: iteration  0 :  13  enodes  (cost  6 )
0.073 * * [simplify]: iteration  1 :  13  enodes  (cost  6 )
0.073 * [simplify]: Simplified to:
   (- (sqrt (+ (- (pow x 2.0) (* 6.0 x)) 8.0)) 4.0)
0.816 * [regime-testing]: End program error score: 16.601334768795734