8.887 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.018 * * * [progress]: [2/2] Setting up program.
0.020 * [progress]: [Phase 2 of 3] Improving.
0.020 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (+ x y) (- x y))
0.022 * * [simplify]: iteration  0 :  9  enodes  (cost  3 )
0.023 * * [simplify]: iteration  1 :  24  enodes  (cost  3 )
0.025 * * [simplify]: iteration  2 :  53  enodes  (cost  3 )
0.026 * * [simplify]: iteration  3 :  130  enodes  (cost  3 )
0.028 * * [simplify]: iteration  4 :  205  enodes  (cost  3 )
0.031 * * [simplify]: iteration  5 :  295  enodes  (cost  3 )
0.035 * * [simplify]: iteration  6 :  446  enodes  (cost  3 )
0.042 * * [simplify]: iteration  7 :  1317  enodes  (cost  3 )
0.077 * * [simplify]: iteration  8 :  5002  enodes  (cost  3 )
0.077 * [simplify]: Simplified to:
   (* (+ x y) (- x y))
0.078 * * [progress]: iteration 1 / 4
0.078 * * * [progress]: picking best candidate
0.079 * * * * [pick]: Picked  #<alt (λ (x y) (* (+ x y) (- x y)))>
0.079 * * * [progress]: localizing error
0.083 * * * [progress]: generating rewritten candidates
0.083 * * * [progress]: generating series expansions
0.083 * * * [progress]: simplifying candidates
0.084 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.086 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.086 * [simplify]: Simplified to:
   
0.086 * * * [progress]: adding candidates to table
0.086 * [progress]: [Phase 3 of 3] Extracting.
0.087 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (+ x y) (- x y))
0.088 * * [simplify]: iteration  0 :  7  enodes  (cost  3 )
0.088 * * [simplify]: iteration  1 :  7  enodes  (cost  3 )
0.088 * [simplify]: Simplified to:
   (* (+ x y) (- x y))
0.605 * [regime-testing]: End program error score: 0.0007500937617202151