4.722 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.095 * * * [progress]: [2/2] Setting up program.
0.097 * [progress]: [Phase 2 of 3] Improving.
0.097 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (-.f64 (*.f64 x x) (*.f64 y y))
0.245 * * [simplify]: iteration  0 :  6509  enodes  (cost  7 )
0.246 * [simplify]: Simplified to:
   (-.f64 (*.f64 x x) (*.f64 y y))
0.247 * * [progress]: iteration 1 / 4
0.247 * * * [progress]: picking best candidate
0.249 * * * * [pick]: Picked  #<alt (λ (x y) (-.f64 (*.f64 x x) (*.f64 y y)))>
0.249 * * * [progress]: localizing error
0.253 * * * [progress]: generating rewritten candidates
0.253 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.262 * * * [progress]: generating series expansions
0.262 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.262 * [approximate]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in (x y) around 0
0.262 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in y
0.262 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.262 * [taylor]: Taking taylor expansion of x in y
0.263 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.263 * [taylor]: Taking taylor expansion of y in y
0.263 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in x
0.263 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.263 * [taylor]: Taking taylor expansion of x in x
0.263 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.263 * [taylor]: Taking taylor expansion of y in x
0.263 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in x
0.263 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.263 * [taylor]: Taking taylor expansion of x in x
0.263 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.263 * [taylor]: Taking taylor expansion of y in x
0.263 * [taylor]: Taking taylor expansion of (neg (pow y 2)) in y
0.263 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.263 * [taylor]: Taking taylor expansion of y in y
0.263 * [taylor]: Taking taylor expansion of 0 in y
0.263 * [taylor]: Taking taylor expansion of 1 in y
0.263 * [taylor]: Taking taylor expansion of 0 in y
0.264 * [taylor]: Taking taylor expansion of 0 in y
0.264 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in (x y) around 0
0.264 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.264 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.264 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.264 * [taylor]: Taking taylor expansion of x in y
0.264 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.264 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.264 * [taylor]: Taking taylor expansion of y in y
0.264 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.264 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.264 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.264 * [taylor]: Taking taylor expansion of x in x
0.264 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.264 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.264 * [taylor]: Taking taylor expansion of y in x
0.265 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.265 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.265 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.265 * [taylor]: Taking taylor expansion of x in x
0.265 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.265 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.265 * [taylor]: Taking taylor expansion of y in x
0.265 * [taylor]: Taking taylor expansion of 1 in y
0.265 * [taylor]: Taking taylor expansion of 0 in y
0.265 * [taylor]: Taking taylor expansion of (neg (/ 1 (pow y 2))) in y
0.265 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.265 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.265 * [taylor]: Taking taylor expansion of y in y
0.266 * [taylor]: Taking taylor expansion of 0 in y
0.266 * [taylor]: Taking taylor expansion of 0 in y
0.267 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in (x y) around 0
0.267 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.267 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.267 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.267 * [taylor]: Taking taylor expansion of x in y
0.267 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.267 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.267 * [taylor]: Taking taylor expansion of y in y
0.267 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.267 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.267 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.267 * [taylor]: Taking taylor expansion of x in x
0.267 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.267 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.267 * [taylor]: Taking taylor expansion of y in x
0.267 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.267 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.267 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.267 * [taylor]: Taking taylor expansion of x in x
0.267 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.267 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.267 * [taylor]: Taking taylor expansion of y in x
0.268 * [taylor]: Taking taylor expansion of 1 in y
0.268 * [taylor]: Taking taylor expansion of 0 in y
0.268 * [taylor]: Taking taylor expansion of (neg (/ 1 (pow y 2))) in y
0.268 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.268 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.268 * [taylor]: Taking taylor expansion of y in y
0.268 * [taylor]: Taking taylor expansion of 0 in y
0.269 * [taylor]: Taking taylor expansion of 0 in y
0.269 * * * [progress]: simplifying candidates
0.270 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/.f64 (exp.f64 (*.f64 x x)) (exp.f64 (*.f64 y y)))
  (log.f64 (-.f64 (*.f64 x x) (*.f64 y y)))
  (exp.f64 (-.f64 (*.f64 x x) (*.f64 y y)))
  (*.f64 (cbrt.f64 (-.f64 (*.f64 x x) (*.f64 y y))) (cbrt.f64 (-.f64 (*.f64 x x) (*.f64 y y))))
  (cbrt.f64 (-.f64 (*.f64 x x) (*.f64 y y)))
  (*.f64 (*.f64 (-.f64 (*.f64 x x) (*.f64 y y)) (-.f64 (*.f64 x x) (*.f64 y y))) (-.f64 (*.f64 x x) (*.f64 y y)))
  (sqrt.f64 (-.f64 (*.f64 x x) (*.f64 y y)))
  (sqrt.f64 (-.f64 (*.f64 x x) (*.f64 y y)))
  (-.f64 (pow.f64 (*.f64 x x) 3) (pow.f64 (*.f64 y y) 3))
  (+.f64 (*.f64 (*.f64 x x) (*.f64 x x)) (+.f64 (*.f64 (*.f64 y y) (*.f64 y y)) (*.f64 (*.f64 x x) (*.f64 y y))))
  (neg.f64 (*.f64 y y))
  (-.f64 (*.f64 (*.f64 x x) (*.f64 x x)) (*.f64 (*.f64 y y) (*.f64 y y)))
  (+.f64 (*.f64 x x) (*.f64 y y))
  (+.f64 x y)
  (-.f64 x y)
  (-.f64 (pow.f64 x 2) (pow.f64 y 2))
  (-.f64 (pow.f64 x 2) (pow.f64 y 2))
  (-.f64 (pow.f64 x 2) (pow.f64 y 2))
0.345 * * [simplify]: iteration  0 :  4881  enodes  (cost  141 )
0.345 * * [simplify]: iteration  1 :  4881  enodes  (cost  141 )
0.347 * [simplify]: Simplified to:
   (pow.f64 (exp.f64 (+.f64 x y)) (-.f64 x y))
  (log.f64 (-.f64 (*.f64 x x) (*.f64 y y)))
  (pow.f64 (exp.f64 (+.f64 x y)) (-.f64 x y))
  (*.f64 (cbrt.f64 (-.f64 (*.f64 x x) (*.f64 y y))) (cbrt.f64 (-.f64 (*.f64 x x) (*.f64 y y))))
  (cbrt.f64 (-.f64 (*.f64 x x) (*.f64 y y)))
  (pow.f64 (-.f64 (*.f64 x x) (*.f64 y y)) 3)
  (sqrt.f64 (-.f64 (*.f64 x x) (*.f64 y y)))
  (sqrt.f64 (-.f64 (*.f64 x x) (*.f64 y y)))
  (-.f64 (pow.f64 x 6) (pow.f64 y 6))
  (+.f64 (pow.f64 x 4) (+.f64 (pow.f64 y 4) (*.f64 (*.f64 x x) (*.f64 y y))))
  (neg.f64 (*.f64 y y))
  (-.f64 (pow.f64 x 4) (pow.f64 y 4))
  (+.f64 (*.f64 x x) (*.f64 y y))
  (+.f64 x y)
  (-.f64 x y)
  (-.f64 (*.f64 x x) (*.f64 y y))
  (-.f64 (*.f64 x x) (*.f64 y y))
  (-.f64 (*.f64 x x) (*.f64 y y))
0.347 * * * [progress]: adding candidates to table
0.356 * * [progress]: iteration 2 / 4
0.356 * * * [progress]: picking best candidate
0.357 * * * * [pick]: Picked  #<alt (λ (x y) (*.f64 (+.f64 x y) (-.f64 x y)))>
0.357 * * * [progress]: localizing error
0.362 * * * [progress]: generating rewritten candidates
0.362 * * * [progress]: generating series expansions
0.362 * * * [progress]: simplifying candidates
0.362 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.367 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.367 * [simplify]: Simplified to:
   
0.367 * * * [progress]: adding candidates to table
0.368 * [progress]: [Phase 3 of 3] Extracting.
0.369 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (*.f64 (+.f64 x y) (-.f64 x y))
0.371 * * [simplify]: iteration  0 :  17  enodes  (cost  7 )
0.371 * * [simplify]: iteration  1 :  17  enodes  (cost  7 )
0.372 * [simplify]: Simplified to:
   (*.f64 (+.f64 x y) (-.f64 x y))
0.809 * [regime-testing]: End program error score: 0.0008751093886735842