26.454 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.046 * * * [progress]: [2/2] Setting up program.
0.049 * [progress]: [Phase 2 of 3] Improving.
0.049 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (neg x) (sqrt (+ (pow x 2.0) y)))
0.051 * * [simplify]: iteration  0 :  15  enodes  (cost  5 )
0.053 * * [simplify]: iteration  1 :  23  enodes  (cost  5 )
0.054 * * [simplify]: iteration  2 :  43  enodes  (cost  5 )
0.055 * * [simplify]: iteration  3 :  89  enodes  (cost  5 )
0.057 * * [simplify]: iteration  4 :  254  enodes  (cost  5 )
0.063 * * [simplify]: iteration  5 :  1247  enodes  (cost  5 )
0.094 * * [simplify]: iteration  6 :  4926  enodes  (cost  5 )
0.243 * * [simplify]: iteration  7 :  5001  enodes  (cost  5 )
0.244 * [simplify]: Simplified to:
   (- (neg x) (sqrt (+ (pow x 2.0) y)))
0.245 * [progress]: [Phase 3 of 3] Extracting.
0.247 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (neg x) (sqrt (+ (pow x 2.0) y)))
0.248 * * [simplify]: iteration  0 :  9  enodes  (cost  5 )
0.248 * * [simplify]: iteration  1 :  9  enodes  (cost  5 )
0.248 * [simplify]: Simplified to:
   (- (neg x) (sqrt (+ (pow x 2.0) y)))
1.810 * [regime-testing]: End program error score: 30.350212645836304