3.273 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.064 * * * [progress]: [2/2] Setting up program.
0.066 * [progress]: [Phase 2 of 3] Improving.
0.067 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (sqrt x) (pow x x))
0.069 * * [simplify]: iteration  0 :  10  enodes  (cost  3 )
0.070 * * [simplify]: iteration  1 :  19  enodes  (cost  3 )
0.071 * * [simplify]: iteration  2 :  43  enodes  (cost  3 )
0.073 * * [simplify]: iteration  3 :  119  enodes  (cost  3 )
0.076 * * [simplify]: iteration  4 :  413  enodes  (cost  3 )
0.087 * * [simplify]: iteration  5 :  1910  enodes  (cost  3 )
0.132 * * [simplify]: iteration  6 :  5001  enodes  (cost  3 )
0.132 * [simplify]: Simplified to:
   (- (sqrt x) (pow x x))
0.133 * [progress]: [Phase 3 of 3] Extracting.
0.135 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (sqrt x) (pow x x))
0.136 * * [simplify]: iteration  0 :  4  enodes  (cost  3 )
0.136 * [simplify]: Simplified to:
   (- (sqrt x) (pow x x))
2.170 * [regime-testing]: End program error score: 0.022715886733277277