7.108 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.020 * * * [progress]: [2/2] Setting up program.
0.023 * [progress]: [Phase 2 of 3] Improving.
0.023 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (+ x y) (- x y))
0.285 * * [simplify]: iteration  0 :  5504  enodes  (cost  7 )
0.286 * [simplify]: Simplified to:
   (- (* x x) (* y y))
0.289 * * [progress]: iteration 1 / 4
0.289 * * * [progress]: picking best candidate
0.291 * * * * [pick]: Picked  #<alt (λ (x y) (* (+ x y) (- x y)))>
0.291 * * * [progress]: localizing error
0.295 * * * [progress]: generating rewritten candidates
0.295 * * * [progress]: generating series expansions
0.295 * * * [progress]: simplifying candidates
0.295 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.297 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.298 * [simplify]: Simplified to:
   
0.298 * * * [progress]: adding candidates to table
0.298 * [progress]: [Phase 3 of 3] Extracting.
0.300 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (+ x y) (- x y))
0.301 * * [simplify]: iteration  0 :  7  enodes  (cost  7 )
0.301 * * [simplify]: iteration  1 :  7  enodes  (cost  7 )
0.301 * [simplify]: Simplified to:
   (* (+ x y) (- x y))
1.150 * [regime-testing]: End program error score: 0.0010001250156269534