7.984 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.025 * * * [progress]: [2/2] Setting up program.
0.028 * [progress]: [Phase 2 of 3] Improving.
0.028 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (+ (- (sqrt (+ (pow x 2.0) 4.0)) x) y) 2.0)
0.030 * * [simplify]: iteration  0 :  20  enodes  (cost  6 )
0.031 * * [simplify]: iteration  1 :  38  enodes  (cost  6 )
0.032 * * [simplify]: iteration  2 :  73  enodes  (cost  6 )
0.034 * * [simplify]: iteration  3 :  141  enodes  (cost  6 )
0.036 * * [simplify]: iteration  4 :  340  enodes  (cost  6 )
0.043 * * [simplify]: iteration  5 :  1383  enodes  (cost  6 )
0.071 * * [simplify]: iteration  6 :  5001  enodes  (cost  6 )
0.071 * [simplify]: Simplified to:
   (/ (+ (- (sqrt (+ (pow x 2.0) 4.0)) x) y) 2.0)
0.072 * [progress]: [Phase 3 of 3] Extracting.
0.074 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (+ (- (sqrt (+ (pow x 2.0) 4.0)) x) y) 2.0)
0.075 * * [simplify]: iteration  0 :  12  enodes  (cost  6 )
0.075 * * [simplify]: iteration  1 :  12  enodes  (cost  6 )
0.075 * [simplify]: Simplified to:
   (/ (+ (- (sqrt (+ (pow x 2.0) 4.0)) x) y) 2.0)
1.162 * [regime-testing]: End program error score: 18.293507757292517