4.041 * [progress]: [Phase 1 of 3] Setting up.
0.000 * * * [progress]: [1/2] Preparing points
0.023 * * * [progress]: [2/2] Setting up program.
0.025 * [progress]: [Phase 2 of 3] Improving.
0.025 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- 1.0 (* (* x x) (- 1.0 (* y y))))
0.027 * * [simplify]: iteration  0 :  15  enodes  (cost  5 )
0.028 * * [simplify]: iteration  1 :  45  enodes  (cost  5 )
0.030 * * [simplify]: iteration  2 :  133  enodes  (cost  5 )
0.032 * * [simplify]: iteration  3 :  294  enodes  (cost  5 )
0.037 * * [simplify]: iteration  4 :  509  enodes  (cost  5 )
0.042 * * [simplify]: iteration  5 :  632  enodes  (cost  5 )
0.047 * * [simplify]: iteration  6 :  776  enodes  (cost  5 )
0.053 * * [simplify]: iteration  7 :  915  enodes  (cost  5 )
0.061 * * [simplify]: iteration  8 :  1048  enodes  (cost  5 )
0.071 * * [simplify]: iteration  9 :  1261  enodes  (cost  5 )
0.084 * * [simplify]: iteration  10 :  1717  enodes  (cost  5 )
0.108 * * [simplify]: iteration  11 :  3201  enodes  (cost  5 )
0.143 * * [simplify]: iteration  12 :  5001  enodes  (cost  5 )
0.143 * [simplify]: Simplified to:
   (- 1.0 (* (* x x) (- 1.0 (* y y))))
0.144 * [progress]: [Phase 3 of 3] Extracting.
0.146 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- 1.0 (* (* x x) (- 1.0 (* y y))))
0.146 * * [simplify]: iteration  0 :  9  enodes  (cost  5 )
0.147 * * [simplify]: iteration  1 :  9  enodes  (cost  5 )
0.147 * [simplify]: Simplified to:
   (- 1.0 (* (* x x) (- 1.0 (* y y))))
0.998 * [regime-testing]: End program error score: 10.033650446931048