4.749 * [progress]: [Phase 1 of 3] Setting up.
0.000 * * * [progress]: [1/2] Preparing points
5.363 * * * [progress]: [2/2] Setting up program.
5.366 * [progress]: [Phase 2 of 3] Improving.
5.366 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (pow x 4.0) (pow y 4.0))
5.368 * * [simplify]: iteration  0 :  14  enodes  (cost  3 )
5.369 * * [simplify]: iteration  1 :  29  enodes  (cost  3 )
5.370 * * [simplify]: iteration  2 :  68  enodes  (cost  3 )
5.374 * * [simplify]: iteration  3 :  204  enodes  (cost  3 )
5.378 * * [simplify]: iteration  4 :  776  enodes  (cost  3 )
5.397 * * [simplify]: iteration  5 :  3986  enodes  (cost  3 )
5.508 * * [simplify]: iteration  6 :  5002  enodes  (cost  3 )
5.508 * [simplify]: Simplified to:
   (- (pow x 4.0) (pow y 4.0))
5.508 * [progress]: [Phase 3 of 3] Extracting.
5.511 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (pow x 4.0) (pow y 4.0))
5.512 * * [simplify]: iteration  0 :  6  enodes  (cost  3 )
5.512 * [simplify]: Simplified to:
   (- (pow x 4.0) (pow y 4.0))
7.212 * [regime-testing]: End program error score: 0.002125265658207276