4.246 * [progress]: [Phase 1 of 3] Setting up.
0.000 * * * [progress]: [1/2] Preparing points
0.024 * * * [progress]: [2/2] Setting up program.
0.027 * [progress]: [Phase 2 of 3] Improving.
0.028 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (- 1.0 (* x1 y1)) (* x2 y2))
0.029 * * [simplify]: iteration  0 :  17  enodes  (cost  4 )
0.031 * * [simplify]: iteration  1 :  40  enodes  (cost  4 )
0.032 * * [simplify]: iteration  2 :  56  enodes  (cost  4 )
0.033 * * [simplify]: iteration  3 :  75  enodes  (cost  4 )
0.035 * * [simplify]: iteration  4 :  93  enodes  (cost  4 )
0.037 * * [simplify]: iteration  5 :  128  enodes  (cost  4 )
0.038 * * [simplify]: iteration  6 :  164  enodes  (cost  4 )
0.042 * * [simplify]: iteration  7 :  212  enodes  (cost  4 )
0.044 * * [simplify]: iteration  8 :  263  enodes  (cost  4 )
0.046 * * [simplify]: iteration  9 :  263  enodes  (cost  4 )
0.046 * [simplify]: Simplified to:
   (- (- 1.0 (* x1 y1)) (* x2 y2))
0.047 * [progress]: [Phase 3 of 3] Extracting.
0.050 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (- 1.0 (* x1 y1)) (* x2 y2))
0.050 * * [simplify]: iteration  0 :  11  enodes  (cost  4 )
0.050 * * [simplify]: iteration  1 :  11  enodes  (cost  4 )
0.050 * [simplify]: Simplified to:
   (- (- 1.0 (* x1 y1)) (* x2 y2))
1.073 * [regime-testing]: End program error score: 0.007147134016932405