6.883 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.011 * * * [progress]: [2/2] Setting up program.
0.012 * [progress]: [Phase 2 of 3] Improving.
0.013 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- x (* y y))
0.015 * * [simplify]: iteration  0 :  6  enodes  (cost  2 )
0.016 * * [simplify]: iteration  1 :  10  enodes  (cost  2 )
0.017 * * [simplify]: iteration  2 :  10  enodes  (cost  2 )
0.017 * [simplify]: Simplified to:
   (- x (* y y))
0.017 * * [progress]: iteration 1 / 4
0.017 * * * [progress]: picking best candidate
0.019 * * * * [pick]: Picked  #<alt (λ (x y) (- x (* y y)))>
0.019 * * * [progress]: localizing error
0.022 * * * [progress]: generating rewritten candidates
0.022 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.024 * * * [progress]: generating series expansions
0.024 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.024 * [approximate]: Taking taylor expansion of (- x (pow y 2)) in (x y) around 0
0.024 * [taylor]: Taking taylor expansion of (- x (pow y 2)) in y
0.024 * [taylor]: Taking taylor expansion of x in y
0.025 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.025 * [taylor]: Taking taylor expansion of y in y
0.025 * [taylor]: Taking taylor expansion of (- x (pow y 2)) in x
0.025 * [taylor]: Taking taylor expansion of x in x
0.025 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.025 * [taylor]: Taking taylor expansion of y in x
0.025 * [taylor]: Taking taylor expansion of (- x (pow y 2)) in x
0.025 * [taylor]: Taking taylor expansion of x in x
0.025 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.025 * [taylor]: Taking taylor expansion of y in x
0.025 * [taylor]: Taking taylor expansion of (- (pow y 2)) in y
0.025 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.025 * [taylor]: Taking taylor expansion of y in y
0.026 * [taylor]: Taking taylor expansion of 1 in y
0.026 * [taylor]: Taking taylor expansion of 0 in y
0.028 * [taylor]: Taking taylor expansion of 0 in y
0.029 * [taylor]: Taking taylor expansion of 0 in y
0.030 * [approximate]: Taking taylor expansion of (- (/ 1 x) (/ 1 (pow y 2))) in (x y) around 0
0.030 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 (pow y 2))) in y
0.030 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.030 * [taylor]: Taking taylor expansion of x in y
0.030 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.030 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.030 * [taylor]: Taking taylor expansion of y in y
0.030 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 (pow y 2))) in x
0.030 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.030 * [taylor]: Taking taylor expansion of x in x
0.031 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.031 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.031 * [taylor]: Taking taylor expansion of y in x
0.031 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 (pow y 2))) in x
0.031 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.031 * [taylor]: Taking taylor expansion of x in x
0.031 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.031 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.031 * [taylor]: Taking taylor expansion of y in x
0.032 * [taylor]: Taking taylor expansion of 1 in y
0.032 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2))) in y
0.032 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.032 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.032 * [taylor]: Taking taylor expansion of y in y
0.034 * [taylor]: Taking taylor expansion of 0 in y
0.036 * [taylor]: Taking taylor expansion of 0 in y
0.039 * [taylor]: Taking taylor expansion of 0 in y
0.042 * [taylor]: Taking taylor expansion of 0 in y
0.043 * [approximate]: Taking taylor expansion of (- (+ (/ 1 (pow y 2)) (/ 1 x))) in (x y) around 0
0.043 * [taylor]: Taking taylor expansion of (- (+ (/ 1 (pow y 2)) (/ 1 x))) in y
0.043 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (/ 1 x)) in y
0.043 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.043 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.043 * [taylor]: Taking taylor expansion of y in y
0.043 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.043 * [taylor]: Taking taylor expansion of x in y
0.043 * [taylor]: Taking taylor expansion of (- (+ (/ 1 (pow y 2)) (/ 1 x))) in x
0.043 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (/ 1 x)) in x
0.043 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.043 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.043 * [taylor]: Taking taylor expansion of y in x
0.043 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.044 * [taylor]: Taking taylor expansion of x in x
0.044 * [taylor]: Taking taylor expansion of (- (+ (/ 1 (pow y 2)) (/ 1 x))) in x
0.044 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (/ 1 x)) in x
0.044 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.044 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.044 * [taylor]: Taking taylor expansion of y in x
0.044 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.044 * [taylor]: Taking taylor expansion of x in x
0.045 * [taylor]: Taking taylor expansion of -1 in y
0.045 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2))) in y
0.045 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.045 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.045 * [taylor]: Taking taylor expansion of y in y
0.047 * [taylor]: Taking taylor expansion of 0 in y
0.049 * [taylor]: Taking taylor expansion of 0 in y
0.052 * [taylor]: Taking taylor expansion of 0 in y
0.055 * [taylor]: Taking taylor expansion of 0 in y
0.056 * * * [progress]: simplifying candidates
0.056 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (exp x) (exp (* y y)))
  (log (- x (* y y)))
  (exp (- x (* y y)))
  (* (cbrt (- x (* y y))) (cbrt (- x (* y y))))
  (cbrt (- x (* y y)))
  (* (* (- x (* y y)) (- x (* y y))) (- x (* y y)))
  (sqrt (- x (* y y)))
  (sqrt (- x (* y y)))
  (- (pow x 3) (pow (* y y) 3))
  (+ (* x x) (+ (* (* y y) (* y y)) (* x (* y y))))
  (- (* y y))
  (- (* x x) (* (* y y) (* y y)))
  (+ x (* y y))
  (+ (sqrt x) y)
  (- (sqrt x) y)
  (- (* y y))
  (- x (pow y 2))
  (- x (pow y 2))
  (- x (pow y 2))
0.059 * * [simplify]: iteration  0 :  76  enodes  (cost  64 )
0.061 * * [simplify]: iteration  1 :  239  enodes  (cost  59 )
0.065 * * [simplify]: iteration  2 :  647  enodes  (cost  58 )
0.078 * * [simplify]: iteration  3 :  2429  enodes  (cost  58 )
0.135 * * [simplify]: iteration  4 :  5003  enodes  (cost  58 )
0.135 * [simplify]: Simplified to:
   (exp (- x (* y y)))
  (log (- x (* y y)))
  (exp (- x (* y y)))
  (* (cbrt (- x (* y y))) (cbrt (- x (* y y))))
  (cbrt (- x (* y y)))
  (pow (- x (pow y 2)) 3)
  (sqrt (- x (* y y)))
  (sqrt (- x (* y y)))
  (- (pow x 3) (pow (* y y) 3))
  (+ (* x (+ x (* y y))) (pow y 4))
  (- (* y y))
  (- (* x x) (* (* y y) (* y y)))
  (+ x (* y y))
  (+ (sqrt x) y)
  (- (sqrt x) y)
  (- (* y y))
  (- x (pow y 2))
  (- x (pow y 2))
  (- x (pow y 2))
0.136 * * * [progress]: adding candidates to table
0.163 * * [progress]: iteration 2 / 4
0.163 * * * [progress]: picking best candidate
0.165 * * * * [pick]: Picked  #<alt (λ (x y) (* (+ (sqrt x) y) (- (sqrt x) y)))>
0.165 * * * [progress]: localizing error
0.170 * * * [progress]: generating rewritten candidates
0.170 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.198 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.204 * * * [progress]: generating series expansions
0.204 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.204 * [approximate]: Taking taylor expansion of (* (- (sqrt x) y) (+ y (sqrt x))) in (x y) around 0
0.204 * [taylor]: Taking taylor expansion of (* (- (sqrt x) y) (+ y (sqrt x))) in y
0.204 * [taylor]: Taking taylor expansion of (- (sqrt x) y) in y
0.204 * [taylor]: Taking taylor expansion of (sqrt x) in y
0.204 * [taylor]: Taking taylor expansion of x in y
0.204 * [taylor]: Taking taylor expansion of y in y
0.204 * [taylor]: Taking taylor expansion of (+ y (sqrt x)) in y
0.204 * [taylor]: Taking taylor expansion of y in y
0.204 * [taylor]: Taking taylor expansion of (sqrt x) in y
0.204 * [taylor]: Taking taylor expansion of x in y
0.204 * [taylor]: Taking taylor expansion of (* (- (sqrt x) y) (+ y (sqrt x))) in x
0.204 * [taylor]: Taking taylor expansion of (- (sqrt x) y) in x
0.204 * [taylor]: Taking taylor expansion of (sqrt x) in x
0.204 * [taylor]: Taking taylor expansion of x in x
0.206 * [taylor]: Taking taylor expansion of y in x
0.206 * [taylor]: Taking taylor expansion of (+ y (sqrt x)) in x
0.206 * [taylor]: Taking taylor expansion of y in x
0.206 * [taylor]: Taking taylor expansion of (sqrt x) in x
0.206 * [taylor]: Taking taylor expansion of x in x
0.207 * [taylor]: Taking taylor expansion of (* (- (sqrt x) y) (+ y (sqrt x))) in x
0.207 * [taylor]: Taking taylor expansion of (- (sqrt x) y) in x
0.207 * [taylor]: Taking taylor expansion of (sqrt x) in x
0.207 * [taylor]: Taking taylor expansion of x in x
0.208 * [taylor]: Taking taylor expansion of y in x
0.208 * [taylor]: Taking taylor expansion of (+ y (sqrt x)) in x
0.208 * [taylor]: Taking taylor expansion of y in x
0.208 * [taylor]: Taking taylor expansion of (sqrt x) in x
0.208 * [taylor]: Taking taylor expansion of x in x
0.209 * [taylor]: Taking taylor expansion of (* -1 (pow y 2)) in y
0.209 * [taylor]: Taking taylor expansion of -1 in y
0.209 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.209 * [taylor]: Taking taylor expansion of y in y
0.210 * [taylor]: Taking taylor expansion of (- (* +nan.0 y)) in y
0.210 * [taylor]: Taking taylor expansion of (* +nan.0 y) in y
0.210 * [taylor]: Taking taylor expansion of +nan.0 in y
0.210 * [taylor]: Taking taylor expansion of y in y
0.216 * [taylor]: Taking taylor expansion of (- (+ (* +nan.0 y) (- +nan.0))) in y
0.216 * [taylor]: Taking taylor expansion of (+ (* +nan.0 y) (- +nan.0)) in y
0.216 * [taylor]: Taking taylor expansion of (* +nan.0 y) in y
0.216 * [taylor]: Taking taylor expansion of +nan.0 in y
0.216 * [taylor]: Taking taylor expansion of y in y
0.216 * [taylor]: Taking taylor expansion of (- +nan.0) in y
0.216 * [taylor]: Taking taylor expansion of +nan.0 in y
0.223 * [approximate]: Taking taylor expansion of (* (- (sqrt (/ 1 x)) (/ 1 y)) (+ (/ 1 y) (sqrt (/ 1 x)))) in (x y) around 0
0.223 * [taylor]: Taking taylor expansion of (* (- (sqrt (/ 1 x)) (/ 1 y)) (+ (/ 1 y) (sqrt (/ 1 x)))) in y
0.223 * [taylor]: Taking taylor expansion of (- (sqrt (/ 1 x)) (/ 1 y)) in y
0.224 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in y
0.224 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.224 * [taylor]: Taking taylor expansion of x in y
0.224 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.224 * [taylor]: Taking taylor expansion of y in y
0.224 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ 1 x))) in y
0.224 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.224 * [taylor]: Taking taylor expansion of y in y
0.224 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in y
0.224 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.224 * [taylor]: Taking taylor expansion of x in y
0.224 * [taylor]: Taking taylor expansion of (* (- (sqrt (/ 1 x)) (/ 1 y)) (+ (/ 1 y) (sqrt (/ 1 x)))) in x
0.224 * [taylor]: Taking taylor expansion of (- (sqrt (/ 1 x)) (/ 1 y)) in x
0.225 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in x
0.225 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.225 * [taylor]: Taking taylor expansion of x in x
0.226 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.226 * [taylor]: Taking taylor expansion of y in x
0.226 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ 1 x))) in x
0.226 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.226 * [taylor]: Taking taylor expansion of y in x
0.226 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in x
0.226 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.226 * [taylor]: Taking taylor expansion of x in x
0.227 * [taylor]: Taking taylor expansion of (* (- (sqrt (/ 1 x)) (/ 1 y)) (+ (/ 1 y) (sqrt (/ 1 x)))) in x
0.227 * [taylor]: Taking taylor expansion of (- (sqrt (/ 1 x)) (/ 1 y)) in x
0.227 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in x
0.227 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.227 * [taylor]: Taking taylor expansion of x in x
0.228 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.228 * [taylor]: Taking taylor expansion of y in x
0.228 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ 1 x))) in x
0.228 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.228 * [taylor]: Taking taylor expansion of y in x
0.229 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in x
0.229 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.229 * [taylor]: Taking taylor expansion of x in x
0.230 * [taylor]: Taking taylor expansion of 0 in y
0.231 * [taylor]: Taking taylor expansion of 0 in y
0.237 * [taylor]: Taking taylor expansion of (- (+ (* +nan.0 (/ 1 y)) (- (/ 1 (pow y 2)) +nan.0))) in y
0.237 * [taylor]: Taking taylor expansion of (+ (* +nan.0 (/ 1 y)) (- (/ 1 (pow y 2)) +nan.0)) in y
0.237 * [taylor]: Taking taylor expansion of (* +nan.0 (/ 1 y)) in y
0.237 * [taylor]: Taking taylor expansion of +nan.0 in y
0.237 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.237 * [taylor]: Taking taylor expansion of y in y
0.237 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2)) +nan.0) in y
0.237 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.237 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.237 * [taylor]: Taking taylor expansion of y in y
0.238 * [taylor]: Taking taylor expansion of +nan.0 in y
0.247 * [taylor]: Taking taylor expansion of (- (+ (* +nan.0 (/ 1 y)) (- +nan.0))) in y
0.247 * [taylor]: Taking taylor expansion of (+ (* +nan.0 (/ 1 y)) (- +nan.0)) in y
0.247 * [taylor]: Taking taylor expansion of (* +nan.0 (/ 1 y)) in y
0.247 * [taylor]: Taking taylor expansion of +nan.0 in y
0.247 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.247 * [taylor]: Taking taylor expansion of y in y
0.247 * [taylor]: Taking taylor expansion of (- +nan.0) in y
0.247 * [taylor]: Taking taylor expansion of +nan.0 in y
0.258 * [taylor]: Taking taylor expansion of (- (+ (* +nan.0 (/ 1 y)) (- +nan.0))) in y
0.258 * [taylor]: Taking taylor expansion of (+ (* +nan.0 (/ 1 y)) (- +nan.0)) in y
0.258 * [taylor]: Taking taylor expansion of (* +nan.0 (/ 1 y)) in y
0.258 * [taylor]: Taking taylor expansion of +nan.0 in y
0.258 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.258 * [taylor]: Taking taylor expansion of y in y
0.259 * [taylor]: Taking taylor expansion of (- +nan.0) in y
0.259 * [taylor]: Taking taylor expansion of +nan.0 in y
0.261 * [approximate]: Taking taylor expansion of (* (+ (/ 1 y) (sqrt (/ -1 x))) (- (sqrt (/ -1 x)) (/ 1 y))) in (x y) around 0
0.261 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (sqrt (/ -1 x))) (- (sqrt (/ -1 x)) (/ 1 y))) in y
0.261 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ -1 x))) in y
0.261 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.261 * [taylor]: Taking taylor expansion of y in y
0.261 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in y
0.261 * [taylor]: Taking taylor expansion of (/ -1 x) in y
0.261 * [taylor]: Taking taylor expansion of -1 in y
0.261 * [taylor]: Taking taylor expansion of x in y
0.261 * [taylor]: Taking taylor expansion of (- (sqrt (/ -1 x)) (/ 1 y)) in y
0.261 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in y
0.261 * [taylor]: Taking taylor expansion of (/ -1 x) in y
0.261 * [taylor]: Taking taylor expansion of -1 in y
0.261 * [taylor]: Taking taylor expansion of x in y
0.262 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.262 * [taylor]: Taking taylor expansion of y in y
0.262 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (sqrt (/ -1 x))) (- (sqrt (/ -1 x)) (/ 1 y))) in x
0.262 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ -1 x))) in x
0.262 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.262 * [taylor]: Taking taylor expansion of y in x
0.262 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in x
0.262 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.262 * [taylor]: Taking taylor expansion of -1 in x
0.262 * [taylor]: Taking taylor expansion of x in x
0.263 * [taylor]: Taking taylor expansion of (- (sqrt (/ -1 x)) (/ 1 y)) in x
0.263 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in x
0.263 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.263 * [taylor]: Taking taylor expansion of -1 in x
0.263 * [taylor]: Taking taylor expansion of x in x
0.265 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.265 * [taylor]: Taking taylor expansion of y in x
0.265 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (sqrt (/ -1 x))) (- (sqrt (/ -1 x)) (/ 1 y))) in x
0.265 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ -1 x))) in x
0.265 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.265 * [taylor]: Taking taylor expansion of y in x
0.265 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in x
0.265 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.265 * [taylor]: Taking taylor expansion of -1 in x
0.265 * [taylor]: Taking taylor expansion of x in x
0.266 * [taylor]: Taking taylor expansion of (- (sqrt (/ -1 x)) (/ 1 y)) in x
0.266 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in x
0.266 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.266 * [taylor]: Taking taylor expansion of -1 in x
0.266 * [taylor]: Taking taylor expansion of x in x
0.267 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.267 * [taylor]: Taking taylor expansion of y in x
0.268 * [taylor]: Taking taylor expansion of 0 in y
0.268 * [taylor]: Taking taylor expansion of 0 in y
0.275 * [taylor]: Taking taylor expansion of (- (+ (* +nan.0 (/ 1 y)) (- (/ 1 (pow y 2)) +nan.0))) in y
0.275 * [taylor]: Taking taylor expansion of (+ (* +nan.0 (/ 1 y)) (- (/ 1 (pow y 2)) +nan.0)) in y
0.275 * [taylor]: Taking taylor expansion of (* +nan.0 (/ 1 y)) in y
0.275 * [taylor]: Taking taylor expansion of +nan.0 in y
0.275 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.275 * [taylor]: Taking taylor expansion of y in y
0.275 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2)) +nan.0) in y
0.275 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.275 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.275 * [taylor]: Taking taylor expansion of y in y
0.276 * [taylor]: Taking taylor expansion of +nan.0 in y
0.284 * [taylor]: Taking taylor expansion of (- (+ (* +nan.0 (/ 1 y)) (- +nan.0))) in y
0.284 * [taylor]: Taking taylor expansion of (+ (* +nan.0 (/ 1 y)) (- +nan.0)) in y
0.284 * [taylor]: Taking taylor expansion of (* +nan.0 (/ 1 y)) in y
0.284 * [taylor]: Taking taylor expansion of +nan.0 in y
0.284 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.284 * [taylor]: Taking taylor expansion of y in y
0.284 * [taylor]: Taking taylor expansion of (- +nan.0) in y
0.284 * [taylor]: Taking taylor expansion of +nan.0 in y
0.296 * [taylor]: Taking taylor expansion of (- (+ (* +nan.0 (/ 1 y)) (- +nan.0))) in y
0.296 * [taylor]: Taking taylor expansion of (+ (* +nan.0 (/ 1 y)) (- +nan.0)) in y
0.296 * [taylor]: Taking taylor expansion of (* +nan.0 (/ 1 y)) in y
0.296 * [taylor]: Taking taylor expansion of +nan.0 in y
0.296 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.296 * [taylor]: Taking taylor expansion of y in y
0.296 * [taylor]: Taking taylor expansion of (- +nan.0) in y
0.296 * [taylor]: Taking taylor expansion of +nan.0 in y
0.298 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
0.298 * [approximate]: Taking taylor expansion of (+ y (sqrt x)) in (x y) around 0
0.298 * [taylor]: Taking taylor expansion of (+ y (sqrt x)) in y
0.298 * [taylor]: Taking taylor expansion of y in y
0.298 * [taylor]: Taking taylor expansion of (sqrt x) in y
0.299 * [taylor]: Taking taylor expansion of x in y
0.299 * [taylor]: Taking taylor expansion of (+ y (sqrt x)) in x
0.299 * [taylor]: Taking taylor expansion of y in x
0.299 * [taylor]: Taking taylor expansion of (sqrt x) in x
0.299 * [taylor]: Taking taylor expansion of x in x
0.300 * [taylor]: Taking taylor expansion of (+ y (sqrt x)) in x
0.300 * [taylor]: Taking taylor expansion of y in x
0.300 * [taylor]: Taking taylor expansion of (sqrt x) in x
0.300 * [taylor]: Taking taylor expansion of x in x
0.301 * [taylor]: Taking taylor expansion of y in y
0.301 * [taylor]: Taking taylor expansion of (- +nan.0) in y
0.301 * [taylor]: Taking taylor expansion of +nan.0 in y
0.306 * [taylor]: Taking taylor expansion of (- +nan.0) in y
0.306 * [taylor]: Taking taylor expansion of +nan.0 in y
0.307 * [approximate]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ 1 x))) in (x y) around 0
0.307 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ 1 x))) in y
0.307 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.307 * [taylor]: Taking taylor expansion of y in y
0.308 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in y
0.308 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.308 * [taylor]: Taking taylor expansion of x in y
0.308 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ 1 x))) in x
0.308 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.308 * [taylor]: Taking taylor expansion of y in x
0.308 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in x
0.308 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.308 * [taylor]: Taking taylor expansion of x in x
0.309 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ 1 x))) in x
0.309 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.309 * [taylor]: Taking taylor expansion of y in x
0.309 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in x
0.309 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.309 * [taylor]: Taking taylor expansion of x in x
0.311 * [taylor]: Taking taylor expansion of 0 in y
0.311 * [taylor]: Taking taylor expansion of (- (/ 1 y) +nan.0) in y
0.311 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.311 * [taylor]: Taking taylor expansion of y in y
0.311 * [taylor]: Taking taylor expansion of +nan.0 in y
0.314 * [taylor]: Taking taylor expansion of (- +nan.0) in y
0.314 * [taylor]: Taking taylor expansion of +nan.0 in y
0.318 * [taylor]: Taking taylor expansion of (- +nan.0) in y
0.319 * [taylor]: Taking taylor expansion of +nan.0 in y
0.320 * [approximate]: Taking taylor expansion of (- (sqrt (/ -1 x)) (/ 1 y)) in (x y) around 0
0.320 * [taylor]: Taking taylor expansion of (- (sqrt (/ -1 x)) (/ 1 y)) in y
0.320 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in y
0.320 * [taylor]: Taking taylor expansion of (/ -1 x) in y
0.320 * [taylor]: Taking taylor expansion of -1 in y
0.320 * [taylor]: Taking taylor expansion of x in y
0.320 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.320 * [taylor]: Taking taylor expansion of y in y
0.320 * [taylor]: Taking taylor expansion of (- (sqrt (/ -1 x)) (/ 1 y)) in x
0.320 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in x
0.320 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.320 * [taylor]: Taking taylor expansion of -1 in x
0.320 * [taylor]: Taking taylor expansion of x in x
0.321 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.321 * [taylor]: Taking taylor expansion of y in x
0.321 * [taylor]: Taking taylor expansion of (- (sqrt (/ -1 x)) (/ 1 y)) in x
0.321 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in x
0.321 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.322 * [taylor]: Taking taylor expansion of -1 in x
0.322 * [taylor]: Taking taylor expansion of x in x
0.323 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.323 * [taylor]: Taking taylor expansion of y in x
0.323 * [taylor]: Taking taylor expansion of 0 in y
0.323 * [taylor]: Taking taylor expansion of (- (+ (/ 1 y) (- +nan.0))) in y
0.323 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (- +nan.0)) in y
0.323 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.323 * [taylor]: Taking taylor expansion of y in y
0.323 * [taylor]: Taking taylor expansion of (- +nan.0) in y
0.324 * [taylor]: Taking taylor expansion of +nan.0 in y
0.327 * [taylor]: Taking taylor expansion of (- +nan.0) in y
0.327 * [taylor]: Taking taylor expansion of +nan.0 in y
0.332 * [taylor]: Taking taylor expansion of (- +nan.0) in y
0.332 * [taylor]: Taking taylor expansion of +nan.0 in y
0.333 * * * [progress]: simplifying candidates
0.334 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (+ (sqrt x) y) (- (sqrt x) y))
  (+ (log (+ (sqrt x) y)) (log (- (sqrt x) y)))
  (log (* (+ (sqrt x) y) (- (sqrt x) y)))
  (exp (* (+ (sqrt x) y) (- (sqrt x) y)))
  (* (* (* (+ (sqrt x) y) (+ (sqrt x) y)) (+ (sqrt x) y)) (* (* (- (sqrt x) y) (- (sqrt x) y)) (- (sqrt x) y)))
  (* (cbrt (* (+ (sqrt x) y) (- (sqrt x) y))) (cbrt (* (+ (sqrt x) y) (- (sqrt x) y))))
  (cbrt (* (+ (sqrt x) y) (- (sqrt x) y)))
  (* (* (* (+ (sqrt x) y) (- (sqrt x) y)) (* (+ (sqrt x) y) (- (sqrt x) y))) (* (+ (sqrt x) y) (- (sqrt x) y)))
  (sqrt (* (+ (sqrt x) y) (- (sqrt x) y)))
  (sqrt (* (+ (sqrt x) y) (- (sqrt x) y)))
  (* (+ (pow (sqrt x) 3) (pow y 3)) (- (pow (sqrt x) 3) (pow y 3)))
  (* (+ (* (sqrt x) (sqrt x)) (- (* y y) (* (sqrt x) y))) (+ (* (sqrt x) (sqrt x)) (+ (* y y) (* (sqrt x) y))))
  (* (+ (pow (sqrt x) 3) (pow y 3)) (- (* (sqrt x) (sqrt x)) (* y y)))
  (* (+ (* (sqrt x) (sqrt x)) (- (* y y) (* (sqrt x) y))) (+ (sqrt x) y))
  (* (- (* (sqrt x) (sqrt x)) (* y y)) (- (pow (sqrt x) 3) (pow y 3)))
  (* (- (sqrt x) y) (+ (* (sqrt x) (sqrt x)) (+ (* y y) (* (sqrt x) y))))
  (* (- (* (sqrt x) (sqrt x)) (* y y)) (- (* (sqrt x) (sqrt x)) (* y y)))
  (* (- (sqrt x) y) (+ (sqrt x) y))
  (* (sqrt (+ (sqrt x) y)) (sqrt (- (sqrt x) y)))
  (* (sqrt (+ (sqrt x) y)) (sqrt (- (sqrt x) y)))
  (* (+ (sqrt x) y) (sqrt x))
  (* (+ (sqrt x) y) (- y))
  (* (+ (sqrt x) y) (sqrt x))
  (* (+ (sqrt x) y) (- y))
  (* (sqrt x) (+ (sqrt x) y))
  (* (- y) (+ (sqrt x) y))
  (* (sqrt x) (+ (sqrt x) y))
  (* (- y) (+ (sqrt x) y))
  (* (+ (sqrt x) y) (* (cbrt (- (sqrt x) y)) (cbrt (- (sqrt x) y))))
  (* (+ (sqrt x) y) (sqrt (- (sqrt x) y)))
  (* (+ (sqrt x) y) 1)
  (* (+ (sqrt x) y) (+ (sqrt (sqrt x)) (sqrt y)))
  (* (+ (sqrt x) y) (+ (sqrt (sqrt x)) (sqrt y)))
  (* (+ (sqrt x) y) 1)
  (* (cbrt (+ (sqrt x) y)) (- (sqrt x) y))
  (* (sqrt (+ (sqrt x) y)) (- (sqrt x) y))
  (* (+ (sqrt x) y) (- (sqrt x) y))
  (* (+ (sqrt x) y) (- (sqrt x) y))
  (* (+ (sqrt x) y) (- (pow (sqrt x) 3) (pow y 3)))
  (* (+ (sqrt x) y) (- (* (sqrt x) (sqrt x)) (* y y)))
  (* (+ (pow (sqrt x) 3) (pow y 3)) (- (sqrt x) y))
  (* (- (* (sqrt x) (sqrt x)) (* y y)) (- (sqrt x) y))
  (* (exp (sqrt x)) (exp y))
  (log (+ (sqrt x) y))
  (exp (+ (sqrt x) y))
  (* (cbrt (+ (sqrt x) y)) (cbrt (+ (sqrt x) y)))
  (cbrt (+ (sqrt x) y))
  (* (* (+ (sqrt x) y) (+ (sqrt x) y)) (+ (sqrt x) y))
  (sqrt (+ (sqrt x) y))
  (sqrt (+ (sqrt x) y))
  (+ (pow (sqrt x) 3) (pow y 3))
  (+ (* (sqrt x) (sqrt x)) (- (* y y) (* (sqrt x) y)))
  (- (* (sqrt x) (sqrt x)) (* y y))
  (- (sqrt x) y)
  (+ (sqrt x) y)
  (- (+ (* +nan.0 (pow x 2)) (- (pow y 2) (* +nan.0 (* x y)))))
  (- (+ (pow y 2) (- (+ (* +nan.0 (/ y x)) (- (* +nan.0 y))))))
  (- (+ (pow y 2) (- (+ (* +nan.0 (/ y x)) (- (* +nan.0 y))))))
  (- y (+ (* +nan.0 (pow x 2)) (- (* +nan.0 x))))
  (- y (+ +nan.0 (- (* +nan.0 (/ 1 x)))))
  (- y (+ +nan.0 (- (* +nan.0 (/ 1 x)))))
0.338 * * [simplify]: iteration  0 :  274  enodes  (cost  358 )
0.343 * * [simplify]: iteration  1 :  1179  enodes  (cost  304 )
0.366 * * [simplify]: iteration  2 :  5002  enodes  (cost  295 )
0.367 * [simplify]: Simplified to:
   (- x (pow y 2))
  (log (- x (pow y 2)))
  (log (- x (pow y 2)))
  (exp (- x (pow y 2)))
  (pow (- x (pow y 2)) 3)
  (* (cbrt (* (+ (sqrt x) y) (- (sqrt x) y))) (cbrt (* (+ (sqrt x) y) (- (sqrt x) y))))
  (cbrt (* (+ (sqrt x) y) (- (sqrt x) y)))
  (pow (- x (pow y 2)) 3)
  (sqrt (* (+ (sqrt x) y) (- (sqrt x) y)))
  (sqrt (* (+ (sqrt x) y) (- (sqrt x) y)))
  (* (+ (pow (sqrt x) 3) (pow y 3)) (- (pow (sqrt x) 3) (pow y 3)))
  (* (+ (* y (+ y (sqrt x))) x) (+ (* y (- y (sqrt x))) x))
  (* (+ (pow (sqrt x) 3) (pow y 3)) (- x (pow y 2)))
  (* (+ (sqrt x) y) (+ (* y (- y (sqrt x))) x))
  (* (- x (pow y 2)) (- (pow (sqrt x) 3) (pow y 3)))
  (* (+ (* y (+ y (sqrt x))) x) (- (sqrt x) y))
  (* (+ x (- (pow y 2))) (+ x (- (pow y 2))))
  (- x (pow y 2))
  (* (sqrt (+ (sqrt x) y)) (sqrt (- (sqrt x) y)))
  (* (sqrt (+ (sqrt x) y)) (sqrt (- (sqrt x) y)))
  (+ x (* (sqrt x) y))
  (* (- y) (+ (sqrt x) y))
  (+ x (* (sqrt x) y))
  (* (- y) (+ (sqrt x) y))
  (+ x (* (sqrt x) y))
  (* (- y) (+ (sqrt x) y))
  (+ x (* (sqrt x) y))
  (* (- y) (+ (sqrt x) y))
  (* (+ (sqrt x) y) (* (cbrt (- (sqrt x) y)) (cbrt (- (sqrt x) y))))
  (* (+ (sqrt x) y) (sqrt (- (sqrt x) y)))
  (+ (sqrt x) y)
  (* (+ (sqrt x) y) (+ (sqrt (sqrt x)) (sqrt y)))
  (* (+ (sqrt x) y) (+ (sqrt (sqrt x)) (sqrt y)))
  (+ (sqrt x) y)
  (* (cbrt (+ (sqrt x) y)) (- (sqrt x) y))
  (* (sqrt (+ (sqrt x) y)) (- (sqrt x) y))
  (- x (pow y 2))
  (- x (pow y 2))
  (* (+ (sqrt x) y) (- (pow (sqrt x) 3) (pow y 3)))
  (* (+ x (- (pow y 2))) (+ (sqrt x) y))
  (* (+ (pow (sqrt x) 3) (pow y 3)) (- (sqrt x) y))
  (* (- (sqrt x) y) (+ x (- (pow y 2))))
  (exp (+ (sqrt x) y))
  (log (+ (sqrt x) y))
  (exp (+ (sqrt x) y))
  (* (cbrt (+ (sqrt x) y)) (cbrt (+ (sqrt x) y)))
  (cbrt (+ (sqrt x) y))
  (pow (+ (sqrt x) y) 3)
  (sqrt (+ (sqrt x) y))
  (sqrt (+ (sqrt x) y))
  (+ (pow (sqrt x) 3) (pow y 3))
  (+ (* y (- y (sqrt x))) x)
  (- x (pow y 2))
  (- (sqrt x) y)
  (+ (sqrt x) y)
  (- (- (* +nan.0 (pow x 2))) (* y (- y (* +nan.0 x))))
  (+ (* +nan.0 (- (/ y x) y)) (- (pow y 2)))
  (+ (* +nan.0 (- (/ y x) y)) (- (pow y 2)))
  (+ (- y (* +nan.0 (pow x 2))) (* +nan.0 x))
  (- (- y (/ (- +nan.0) x)) +nan.0)
  (- (- y (/ (- +nan.0) x)) +nan.0)
0.368 * * * [progress]: adding candidates to table
0.466 * [progress]: [Phase 3 of 3] Extracting.
0.466 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (- x (* y y)))> #<alt (λ (x y) (* (+ (sqrt x) y) (- (sqrt x) y)))>)
0.466 * * * [regime-changes]: Trying 4 branch expressions: ((* y y) (- x (* y y)) y x)
0.466 * * * * [regimes]: Trying to branch on (* y y) from (#<alt (λ (x y) (- x (* y y)))> #<alt (λ (x y) (* (+ (sqrt x) y) (- (sqrt x) y)))>)
0.476 * * * * [regimes]: Trying to branch on (- x (* y y)) from (#<alt (λ (x y) (- x (* y y)))> #<alt (λ (x y) (* (+ (sqrt x) y) (- (sqrt x) y)))>)
0.488 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (- x (* y y)))> #<alt (λ (x y) (* (+ (sqrt x) y) (- (sqrt x) y)))>)
0.501 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (- x (* y y)))> #<alt (λ (x y) (* (+ (sqrt x) y) (- (sqrt x) y)))>)
0.512 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
0.512 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- x (* y y))
0.513 * * [simplify]: iteration  0 :  4  enodes  (cost  2 )
0.513 * [simplify]: Simplified to:
   (- x (* y y))
0.887 * [regime-testing]: Baseline error score: 0.005073754531906632
0.888 * [regime-testing]: Oracle error score: 0.0020733794850257723
0.888 * [regime-testing]: End program error score: 0.005073754531906632