6.814 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.072 * * * [progress]: [2/2] Setting up program.
0.076 * [progress]: [Phase 2 of 3] Improving.
0.076 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (* 9.0 (pow x 4.0)) (* (pow y 2.0) (- (pow y 2.0) 2.0)))
0.078 * * [simplify]: iteration  0 :  24  enodes  (cost  7 )
0.079 * * [simplify]: iteration  1 :  55  enodes  (cost  7 )
0.080 * * [simplify]: iteration  2 :  161  enodes  (cost  7 )
0.084 * * [simplify]: iteration  3 :  583  enodes  (cost  7 )
0.099 * * [simplify]: iteration  4 :  2553  enodes  (cost  7 )
0.154 * * [simplify]: iteration  5 :  5001  enodes  (cost  7 )
0.154 * [simplify]: Simplified to:
   (- (* 9.0 (pow x 4.0)) (* (pow y 2.0) (- (pow y 2.0) 2.0)))
0.154 * [progress]: [Phase 3 of 3] Extracting.
0.157 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (* 9.0 (pow x 4.0)) (* (pow y 2.0) (- (pow y 2.0) 2.0)))
0.158 * * [simplify]: iteration  0 :  13  enodes  (cost  7 )
0.158 * * [simplify]: iteration  1 :  13  enodes  (cost  7 )
0.158 * [simplify]: Simplified to:
   (- (* 9.0 (pow x 4.0)) (* (pow y 2.0) (- (pow y 2.0) 2.0)))
2.463 * [regime-testing]: End program error score: 0.19056755372795547