2.457 * [progress]: [Phase 1 of 3] Setting up.
0.000 * * * [progress]: [1/2] Preparing points
0.030 * * * [progress]: [2/2] Setting up program.
0.032 * [progress]: [Phase 2 of 3] Improving.
0.032 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (sqrt (+ (pow x 2.0) 4.0)) x)
0.034 * * [simplify]: iteration  0 :  14  enodes  (cost  4 )
0.035 * * [simplify]: iteration  1 :  20  enodes  (cost  4 )
0.036 * * [simplify]: iteration  2 :  37  enodes  (cost  4 )
0.038 * * [simplify]: iteration  3 :  83  enodes  (cost  4 )
0.040 * * [simplify]: iteration  4 :  248  enodes  (cost  4 )
0.045 * * [simplify]: iteration  5 :  1241  enodes  (cost  4 )
0.073 * * [simplify]: iteration  6 :  4920  enodes  (cost  4 )
0.203 * * [simplify]: iteration  7 :  5001  enodes  (cost  4 )
0.203 * [simplify]: Simplified to:
   (- (sqrt (+ (pow x 2.0) 4.0)) x)
0.204 * [progress]: [Phase 3 of 3] Extracting.
0.206 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (sqrt (+ (pow x 2.0) 4.0)) x)
0.206 * * [simplify]: iteration  0 :  8  enodes  (cost  4 )
0.207 * * [simplify]: iteration  1 :  8  enodes  (cost  4 )
0.207 * [simplify]: Simplified to:
   (- (sqrt (+ (pow x 2.0) 4.0)) x)
1.127 * [regime-testing]: End program error score: 23.618013463943026