5.169 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.088 * * * [progress]: [2/2] Setting up program.
0.089 * [progress]: [Phase 2 of 3] Improving.
0.091 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (-.f64 (*.f64 x x) (*.f64 y y))
0.246 * * [simplify]: iteration  0 :  5914  enodes  (cost  10 )
0.247 * [simplify]: Simplified to:
   (-.f64 (*.f64 x x) (*.f64 y y))
0.248 * * [progress]: iteration 1 / 4
0.248 * * * [progress]: picking best candidate
0.248 * * * * [pick]: Picked  #<alt (λ (x y) (-.f64 (*.f64 x x) (*.f64 y y)))>
0.248 * * * [progress]: localizing error
0.253 * * * [progress]: generating rewritten candidates
0.253 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.258 * * * [progress]: generating series expansions
0.258 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.258 * [approximate]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in (x y) around 0
0.258 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in y
0.258 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.258 * [taylor]: Taking taylor expansion of x in y
0.258 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.258 * [taylor]: Taking taylor expansion of y in y
0.258 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in x
0.258 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.258 * [taylor]: Taking taylor expansion of x in x
0.258 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.258 * [taylor]: Taking taylor expansion of y in x
0.259 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in x
0.259 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.259 * [taylor]: Taking taylor expansion of x in x
0.259 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.259 * [taylor]: Taking taylor expansion of y in x
0.260 * [taylor]: Taking taylor expansion of (neg (pow y 2)) in y
0.260 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.260 * [taylor]: Taking taylor expansion of y in y
0.260 * [taylor]: Taking taylor expansion of 0 in y
0.261 * [taylor]: Taking taylor expansion of 1 in y
0.263 * [taylor]: Taking taylor expansion of 0 in y
0.266 * [taylor]: Taking taylor expansion of 0 in y
0.268 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in (x y) around 0
0.268 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.268 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.268 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.268 * [taylor]: Taking taylor expansion of x 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 (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.268 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.268 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.268 * [taylor]: Taking taylor expansion of x in x
0.269 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.269 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.269 * [taylor]: Taking taylor expansion of y in x
0.269 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.269 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.269 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.269 * [taylor]: Taking taylor expansion of x in x
0.269 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.269 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.269 * [taylor]: Taking taylor expansion of y in x
0.270 * [taylor]: Taking taylor expansion of 1 in y
0.271 * [taylor]: Taking taylor expansion of 0 in y
0.273 * [taylor]: Taking taylor expansion of (neg (/ 1 (pow y 2))) in y
0.273 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.273 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.273 * [taylor]: Taking taylor expansion of y in y
0.277 * [taylor]: Taking taylor expansion of 0 in y
0.282 * [taylor]: Taking taylor expansion of 0 in y
0.287 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in (x y) around 0
0.287 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.287 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.287 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.287 * [taylor]: Taking taylor expansion of x in y
0.288 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.288 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.288 * [taylor]: Taking taylor expansion of y in y
0.288 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.288 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.288 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.288 * [taylor]: Taking taylor expansion of x in x
0.288 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.288 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.288 * [taylor]: Taking taylor expansion of y in x
0.289 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.289 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.289 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.289 * [taylor]: Taking taylor expansion of x in x
0.289 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.289 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.289 * [taylor]: Taking taylor expansion of y in x
0.290 * [taylor]: Taking taylor expansion of 1 in y
0.291 * [taylor]: Taking taylor expansion of 0 in y
0.293 * [taylor]: Taking taylor expansion of (neg (/ 1 (pow y 2))) in y
0.293 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.293 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.293 * [taylor]: Taking taylor expansion of y in y
0.297 * [taylor]: Taking taylor expansion of 0 in y
0.302 * [taylor]: Taking taylor expansion of 0 in y
0.305 * * * [progress]: simplifying candidates
0.306 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/.f64 (exp.f64 (*.f64 x x)) (exp.f64 (*.f64 y y)))
  (exp.f64 (-.f64 (*.f64 x x) (*.f64 y y)))
  (log.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)))
  (*.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)))
  (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))
0.364 * * [simplify]: iteration  0 :  4882  enodes  (cost  207 )
0.364 * * [simplify]: iteration  1 :  4882  enodes  (cost  207 )
0.366 * [simplify]: Simplified to:
   (pow.f64 (exp.f64 (+.f64 x y)) (-.f64 x y))
  (pow.f64 (exp.f64 (+.f64 x y)) (-.f64 x y))
  (log.f64 (-.f64 (*.f64 x x) (*.f64 y y)))
  (pow.f64 (-.f64 (*.f64 x x) (*.f64 y y)) 3)
  (*.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)))
  (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))
0.366 * * * [progress]: adding candidates to table
0.374 * * [progress]: iteration 2 / 4
0.374 * * * [progress]: picking best candidate
0.375 * * * * [pick]: Picked  #<alt (λ (x y) (*.f64 (+.f64 x y) (-.f64 x y)))>
0.375 * * * [progress]: localizing error
0.379 * * * [progress]: generating rewritten candidates
0.379 * * * [progress]: generating series expansions
0.379 * * * [progress]: simplifying candidates
0.379 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.385 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.385 * [simplify]: Simplified to:
   
0.385 * * * [progress]: adding candidates to table
0.385 * [progress]: [Phase 3 of 3] Extracting.
0.386 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (*.f64 (+.f64 x y) (-.f64 x y))
0.389 * * [simplify]: iteration  0 :  18  enodes  (cost  10 )
0.389 * * [simplify]: iteration  1 :  18  enodes  (cost  10 )
0.390 * [simplify]: Simplified to:
   (*.f64 (+.f64 x y) (-.f64 x y))
0.721 * [regime-testing]: End program error score: 0.0016252031503937992