7.858 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.017 * * * [progress]: [2/2] Setting up program.
0.018 * [progress]: [Phase 2 of 3] Improving.
0.018 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (+ x y) (- x y))
0.021 * * [simplify]: iteration  0 :  9  enodes  (cost  3 )
0.022 * * [simplify]: iteration  1 :  24  enodes  (cost  3 )
0.023 * * [simplify]: iteration  2 :  59  enodes  (cost  3 )
0.025 * * [simplify]: iteration  3 :  157  enodes  (cost  3 )
0.027 * * [simplify]: iteration  4 :  289  enodes  (cost  3 )
0.031 * * [simplify]: iteration  5 :  423  enodes  (cost  3 )
0.035 * * [simplify]: iteration  6 :  644  enodes  (cost  3 )
0.043 * * [simplify]: iteration  7 :  1598  enodes  (cost  3 )
0.081 * * [simplify]: iteration  8 :  5001  enodes  (cost  3 )
0.081 * [simplify]: Simplified to:
   (* (+ x y) (- x y))
0.081 * * [progress]: iteration 1 / 4
0.082 * * * [progress]: picking best candidate
0.083 * * * * [pick]: Picked  #<alt (λ (x y) (* (+ x y) (- x y)))>
0.083 * * * [progress]: localizing error
0.087 * * * [progress]: generating rewritten candidates
0.087 * * * [progress]: generating series expansions
0.087 * * * [progress]: simplifying candidates
0.087 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.089 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.089 * [simplify]: Simplified to:
   
0.089 * * * [progress]: adding candidates to table
0.089 * [progress]: [Phase 3 of 3] Extracting.
0.091 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (+ x y) (- x y))
0.091 * * [simplify]: iteration  0 :  7  enodes  (cost  3 )
0.091 * * [simplify]: iteration  1 :  7  enodes  (cost  3 )
0.091 * [simplify]: Simplified to:
   (* (+ x y) (- x y))
0.627 * [regime-testing]: End program error score: 0.0008751093886735842