9.465 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.035 * * * [progress]: [2/2] Setting up program.
0.038 * [progress]: [Phase 2 of 3] Improving.
0.038 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (pow x 2.0) (pow y 2.0))
0.040 * * [simplify]: iteration  0 :  14  enodes  (cost  3 )
0.042 * * [simplify]: iteration  1 :  29  enodes  (cost  3 )
0.043 * * [simplify]: iteration  2 :  68  enodes  (cost  3 )
0.045 * * [simplify]: iteration  3 :  204  enodes  (cost  3 )
0.050 * * [simplify]: iteration  4 :  776  enodes  (cost  3 )
0.073 * * [simplify]: iteration  5 :  3986  enodes  (cost  3 )
0.195 * * [simplify]: iteration  6 :  5002  enodes  (cost  3 )
0.195 * [simplify]: Simplified to:
   (- (pow x 2.0) (pow y 2.0))
0.195 * [progress]: [Phase 3 of 3] Extracting.
0.198 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (pow x 2.0) (pow y 2.0))
0.199 * * [simplify]: iteration  0 :  6  enodes  (cost  3 )
0.199 * [simplify]: Simplified to:
   (- (pow x 2.0) (pow y 2.0))
1.537 * [regime-testing]: End program error score: 0.007656948057687659