4.183 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.058 * * * [progress]: [2/2] Setting up program.
0.061 * [progress]: [Phase 2 of 3] Improving.
0.061 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (sqrt x) (pow 2.0 x))
0.063 * * [simplify]: iteration  0 :  11  enodes  (cost  3 )
0.064 * * [simplify]: iteration  1 :  20  enodes  (cost  3 )
0.065 * * [simplify]: iteration  2 :  44  enodes  (cost  3 )
0.067 * * [simplify]: iteration  3 :  120  enodes  (cost  3 )
0.070 * * [simplify]: iteration  4 :  414  enodes  (cost  3 )
0.079 * * [simplify]: iteration  5 :  1911  enodes  (cost  3 )
0.123 * * [simplify]: iteration  6 :  5001  enodes  (cost  3 )
0.123 * [simplify]: Simplified to:
   (- (sqrt x) (pow 2.0 x))
0.123 * [progress]: [Phase 3 of 3] Extracting.
0.125 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (sqrt x) (pow 2.0 x))
0.126 * * [simplify]: iteration  0 :  5  enodes  (cost  3 )
0.126 * [simplify]: Simplified to:
   (- (sqrt x) (pow 2.0 x))
1.960 * [regime-testing]: End program error score: 0.030576942430393945