2.758 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.019 * * * [progress]: [2/2] Setting up program.
0.020 * [progress]: [Phase 2 of 3] Improving.
0.021 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- x (* y y))
0.023 * * [simplify]: iteration  0 :  6  enodes  (cost  2 )
0.025 * * [simplify]: iteration  1 :  10  enodes  (cost  2 )
0.027 * * [simplify]: iteration  2 :  10  enodes  (cost  2 )
0.027 * [simplify]: Simplified to:
   (- x (* y y))
0.027 * * [progress]: iteration 1 / 4
0.027 * * * [progress]: picking best candidate
0.029 * * * * [pick]: Picked  #<alt (λ (x y) (- x (* y y)))>
0.029 * * * [progress]: localizing error
0.032 * * * [progress]: generating rewritten candidates
0.032 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.035 * * * [progress]: generating series expansions
0.035 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.035 * [approximate]: Taking taylor expansion of (- x (pow y 2)) in (x y) around 0
0.035 * [taylor]: Taking taylor expansion of (- x (pow y 2)) in y
0.035 * [taylor]: Taking taylor expansion of x in y
0.035 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.035 * [taylor]: Taking taylor expansion of y in y
0.035 * [taylor]: Taking taylor expansion of (- x (pow y 2)) in x
0.035 * [taylor]: Taking taylor expansion of x in x
0.035 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.035 * [taylor]: Taking taylor expansion of y in x
0.035 * [taylor]: Taking taylor expansion of (- x (pow y 2)) in x
0.035 * [taylor]: Taking taylor expansion of x in x
0.035 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.035 * [taylor]: Taking taylor expansion of y in x
0.036 * [taylor]: Taking taylor expansion of (- (pow y 2)) in y
0.036 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.036 * [taylor]: Taking taylor expansion of y in y
0.037 * [taylor]: Taking taylor expansion of 1 in y
0.038 * [taylor]: Taking taylor expansion of 0 in y
0.039 * [taylor]: Taking taylor expansion of 0 in y
0.041 * [taylor]: Taking taylor expansion of 0 in y
0.042 * [approximate]: Taking taylor expansion of (- (/ 1 x) (/ 1 (pow y 2))) in (x y) around 0
0.042 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 (pow y 2))) in y
0.042 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.042 * [taylor]: Taking taylor expansion of x in y
0.042 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.042 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.042 * [taylor]: Taking taylor expansion of y in y
0.043 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 (pow y 2))) in x
0.043 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.043 * [taylor]: Taking taylor expansion of 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) (/ 1 (pow y 2))) in x
0.043 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.043 * [taylor]: Taking taylor expansion of 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 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
0.048 * [taylor]: Taking taylor expansion of 0 in y
0.051 * [taylor]: Taking taylor expansion of 0 in y
0.054 * [taylor]: Taking taylor expansion of 0 in y
0.058 * [taylor]: Taking taylor expansion of 0 in y
0.059 * [approximate]: Taking taylor expansion of (- (+ (/ 1 (pow y 2)) (/ 1 x))) in (x y) around 0
0.059 * [taylor]: Taking taylor expansion of (- (+ (/ 1 (pow y 2)) (/ 1 x))) in y
0.059 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (/ 1 x)) in y
0.059 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.059 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.059 * [taylor]: Taking taylor expansion of y in y
0.060 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.060 * [taylor]: Taking taylor expansion of x in y
0.060 * [taylor]: Taking taylor expansion of (- (+ (/ 1 (pow y 2)) (/ 1 x))) in x
0.060 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (/ 1 x)) in x
0.060 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.060 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.060 * [taylor]: Taking taylor expansion of y in x
0.060 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.060 * [taylor]: Taking taylor expansion of x in x
0.060 * [taylor]: Taking taylor expansion of (- (+ (/ 1 (pow y 2)) (/ 1 x))) in x
0.060 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (/ 1 x)) in x
0.060 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.060 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.060 * [taylor]: Taking taylor expansion of y in x
0.061 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.061 * [taylor]: Taking taylor expansion of x in x
0.062 * [taylor]: Taking taylor expansion of -1 in y
0.062 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2))) in y
0.063 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.063 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.063 * [taylor]: Taking taylor expansion of y in y
0.065 * [taylor]: Taking taylor expansion of 0 in y
0.068 * [taylor]: Taking taylor expansion of 0 in y
0.072 * [taylor]: Taking taylor expansion of 0 in y
0.076 * [taylor]: Taking taylor expansion of 0 in y
0.077 * * * [progress]: simplifying candidates
0.077 * [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))
0.080 * * [simplify]: iteration  0 :  76  enodes  (cost  64 )
0.083 * * [simplify]: iteration  1 :  239  enodes  (cost  59 )
0.088 * * [simplify]: iteration  2 :  647  enodes  (cost  58 )
0.104 * * [simplify]: iteration  3 :  2429  enodes  (cost  58 )
0.168 * * [simplify]: iteration  4 :  5003  enodes  (cost  58 )
0.169 * [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))
0.169 * * * [progress]: adding candidates to table
0.205 * * [progress]: iteration 2 / 4
0.205 * * * [progress]: picking best candidate
0.206 * * * * [pick]: Picked  #<alt (λ (x y) (/ (- (* x x) (* (* y y) (* y y))) (+ x (* y y))))>
0.207 * * * [progress]: localizing error
0.215 * * * [progress]: generating rewritten candidates
0.215 * * * * [progress]: [ 1 / 4 ] rewriting at (2)
0.225 * * * * [progress]: [ 2 / 4 ] rewriting at (2 1)
0.228 * * * * [progress]: [ 3 / 4 ] rewriting at (2 1 2)
0.241 * * * * [progress]: [ 4 / 4 ] rewriting at (2 2)
0.247 * * * [progress]: generating series expansions
0.247 * * * * [progress]: [ 1 / 4 ] generating series at (2)
0.248 * [approximate]: Taking taylor expansion of (/ (- (pow x 2) (pow y 4)) (+ x (pow y 2))) in (x y) around 0
0.248 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (pow y 4)) (+ x (pow y 2))) in y
0.248 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 4)) in y
0.248 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.248 * [taylor]: Taking taylor expansion of x in y
0.248 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.248 * [taylor]: Taking taylor expansion of y in y
0.248 * [taylor]: Taking taylor expansion of (+ x (pow y 2)) in y
0.248 * [taylor]: Taking taylor expansion of x in y
0.248 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.248 * [taylor]: Taking taylor expansion of y in y
0.248 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (pow y 4)) (+ x (pow y 2))) in x
0.248 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 4)) in x
0.248 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.248 * [taylor]: Taking taylor expansion of x in x
0.248 * [taylor]: Taking taylor expansion of (pow y 4) in x
0.248 * [taylor]: Taking taylor expansion of y in x
0.248 * [taylor]: Taking taylor expansion of (+ x (pow y 2)) in x
0.248 * [taylor]: Taking taylor expansion of x in x
0.248 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.248 * [taylor]: Taking taylor expansion of y in x
0.249 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) (pow y 4)) (+ x (pow y 2))) in x
0.249 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 4)) in x
0.249 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.249 * [taylor]: Taking taylor expansion of x in x
0.249 * [taylor]: Taking taylor expansion of (pow y 4) in x
0.249 * [taylor]: Taking taylor expansion of y in x
0.249 * [taylor]: Taking taylor expansion of (+ x (pow y 2)) in x
0.249 * [taylor]: Taking taylor expansion of x in x
0.249 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.249 * [taylor]: Taking taylor expansion of y in x
0.250 * [taylor]: Taking taylor expansion of (* -1 (pow y 2)) in y
0.250 * [taylor]: Taking taylor expansion of -1 in y
0.250 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.250 * [taylor]: Taking taylor expansion of y in y
0.252 * [taylor]: Taking taylor expansion of 1 in y
0.255 * [taylor]: Taking taylor expansion of 0 in y
0.259 * [taylor]: Taking taylor expansion of 0 in y
0.265 * [taylor]: Taking taylor expansion of 0 in y
0.265 * [approximate]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (/ 1 (pow y 4))) (+ (/ 1 (pow y 2)) (/ 1 x))) in (x y) around 0
0.265 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (/ 1 (pow y 4))) (+ (/ 1 (pow y 2)) (/ 1 x))) in y
0.265 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 4))) in y
0.266 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.266 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.266 * [taylor]: Taking taylor expansion of x in y
0.266 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
0.266 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.266 * [taylor]: Taking taylor expansion of y in y
0.267 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (/ 1 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
0.268 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.268 * [taylor]: Taking taylor expansion of x in y
0.273 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (/ 1 (pow y 4))) (+ (/ 1 (pow y 2)) (/ 1 x))) in x
0.273 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 4))) in x
0.274 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.274 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.274 * [taylor]: Taking taylor expansion of x in x
0.274 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x
0.274 * [taylor]: Taking taylor expansion of (pow y 4) in x
0.274 * [taylor]: Taking taylor expansion of y in x
0.275 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (/ 1 x)) in x
0.275 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.275 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.275 * [taylor]: Taking taylor expansion of y in x
0.275 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.275 * [taylor]: Taking taylor expansion of x in x
0.276 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (/ 1 (pow y 4))) (+ (/ 1 (pow y 2)) (/ 1 x))) in x
0.276 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 4))) in x
0.276 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.276 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.276 * [taylor]: Taking taylor expansion of x in x
0.277 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x
0.277 * [taylor]: Taking taylor expansion of (pow y 4) in x
0.277 * [taylor]: Taking taylor expansion of y in x
0.277 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (/ 1 x)) in x
0.278 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.278 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.278 * [taylor]: Taking taylor expansion of y in x
0.278 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.278 * [taylor]: Taking taylor expansion of x in x
0.279 * [taylor]: Taking taylor expansion of 1 in y
0.282 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2))) in y
0.282 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.282 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.282 * [taylor]: Taking taylor expansion of y in y
0.286 * [taylor]: Taking taylor expansion of 0 in y
0.293 * [taylor]: Taking taylor expansion of 0 in y
0.301 * [taylor]: Taking taylor expansion of 0 in y
0.311 * [taylor]: Taking taylor expansion of 0 in y
0.312 * [approximate]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (/ 1 (pow y 4))) (- (/ 1 (pow y 2)) (/ 1 x))) in (x y) around 0
0.312 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (/ 1 (pow y 4))) (- (/ 1 (pow y 2)) (/ 1 x))) in y
0.312 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 4))) in y
0.312 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.312 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.312 * [taylor]: Taking taylor expansion of x in y
0.312 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
0.312 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.312 * [taylor]: Taking taylor expansion of y in y
0.313 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2)) (/ 1 x)) in y
0.313 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.314 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.314 * [taylor]: Taking taylor expansion of y in y
0.314 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.314 * [taylor]: Taking taylor expansion of x in y
0.315 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (/ 1 (pow y 4))) (- (/ 1 (pow y 2)) (/ 1 x))) in x
0.316 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 4))) in x
0.316 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.316 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.316 * [taylor]: Taking taylor expansion of x in x
0.316 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x
0.316 * [taylor]: Taking taylor expansion of (pow y 4) in x
0.316 * [taylor]: Taking taylor expansion of y in x
0.317 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2)) (/ 1 x)) in x
0.317 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.317 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.317 * [taylor]: Taking taylor expansion of y in x
0.317 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.317 * [taylor]: Taking taylor expansion of x in x
0.319 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) (/ 1 (pow y 4))) (- (/ 1 (pow y 2)) (/ 1 x))) in x
0.319 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 4))) in x
0.319 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.319 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.319 * [taylor]: Taking taylor expansion of x in x
0.319 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x
0.319 * [taylor]: Taking taylor expansion of (pow y 4) in x
0.319 * [taylor]: Taking taylor expansion of y in x
0.320 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2)) (/ 1 x)) in x
0.320 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.320 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.320 * [taylor]: Taking taylor expansion of y in x
0.320 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.320 * [taylor]: Taking taylor expansion of x in x
0.322 * [taylor]: Taking taylor expansion of -1 in y
0.324 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2))) in y
0.325 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.325 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.325 * [taylor]: Taking taylor expansion of y in y
0.330 * [taylor]: Taking taylor expansion of 0 in y
0.337 * [taylor]: Taking taylor expansion of 0 in y
0.345 * [taylor]: Taking taylor expansion of 0 in y
0.355 * [taylor]: Taking taylor expansion of 0 in y
0.356 * * * * [progress]: [ 2 / 4 ] generating series at (2 1)
0.356 * [approximate]: Taking taylor expansion of (- (pow x 2) (pow y 4)) in (x y) around 0
0.356 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 4)) in y
0.356 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.356 * [taylor]: Taking taylor expansion of x in y
0.356 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.356 * [taylor]: Taking taylor expansion of y in y
0.356 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 4)) in x
0.356 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.356 * [taylor]: Taking taylor expansion of x in x
0.356 * [taylor]: Taking taylor expansion of (pow y 4) in x
0.356 * [taylor]: Taking taylor expansion of y in x
0.356 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 4)) in x
0.356 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.356 * [taylor]: Taking taylor expansion of x in x
0.356 * [taylor]: Taking taylor expansion of (pow y 4) in x
0.356 * [taylor]: Taking taylor expansion of y in x
0.357 * [taylor]: Taking taylor expansion of (- (pow y 4)) in y
0.357 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.357 * [taylor]: Taking taylor expansion of y in y
0.358 * [taylor]: Taking taylor expansion of 0 in y
0.359 * [taylor]: Taking taylor expansion of 1 in y
0.362 * [taylor]: Taking taylor expansion of 0 in y
0.365 * [taylor]: Taking taylor expansion of 0 in y
0.366 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 4))) in (x y) around 0
0.366 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 4))) in y
0.366 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.366 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.366 * [taylor]: Taking taylor expansion of x in y
0.366 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
0.366 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.366 * [taylor]: Taking taylor expansion of y in y
0.367 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 4))) in x
0.367 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.367 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.367 * [taylor]: Taking taylor expansion of x in x
0.368 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x
0.368 * [taylor]: Taking taylor expansion of (pow y 4) in x
0.368 * [taylor]: Taking taylor expansion of y in x
0.368 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 4))) in x
0.368 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.368 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.368 * [taylor]: Taking taylor expansion of x in x
0.369 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x
0.369 * [taylor]: Taking taylor expansion of (pow y 4) in x
0.369 * [taylor]: Taking taylor expansion of y in x
0.369 * [taylor]: Taking taylor expansion of 1 in y
0.371 * [taylor]: Taking taylor expansion of 0 in y
0.372 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 4))) in y
0.372 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
0.372 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.372 * [taylor]: Taking taylor expansion of y in y
0.376 * [taylor]: Taking taylor expansion of 0 in y
0.381 * [taylor]: Taking taylor expansion of 0 in y
0.392 * [taylor]: Taking taylor expansion of 0 in y
0.399 * [taylor]: Taking taylor expansion of 0 in y
0.402 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 4))) in (x y) around 0
0.402 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 4))) in y
0.402 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.402 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.402 * [taylor]: Taking taylor expansion of x in y
0.402 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
0.402 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.402 * [taylor]: Taking taylor expansion of y in y
0.403 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 4))) in x
0.403 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.403 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.403 * [taylor]: Taking taylor expansion of x in x
0.403 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x
0.403 * [taylor]: Taking taylor expansion of (pow y 4) in x
0.404 * [taylor]: Taking taylor expansion of y in x
0.404 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 4))) in x
0.404 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.404 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.404 * [taylor]: Taking taylor expansion of x in x
0.404 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x
0.404 * [taylor]: Taking taylor expansion of (pow y 4) in x
0.404 * [taylor]: Taking taylor expansion of y in x
0.405 * [taylor]: Taking taylor expansion of 1 in y
0.406 * [taylor]: Taking taylor expansion of 0 in y
0.408 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 4))) in y
0.408 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
0.408 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.408 * [taylor]: Taking taylor expansion of y in y
0.411 * [taylor]: Taking taylor expansion of 0 in y
0.415 * [taylor]: Taking taylor expansion of 0 in y
0.420 * [taylor]: Taking taylor expansion of 0 in y
0.426 * [taylor]: Taking taylor expansion of 0 in y
0.429 * * * * [progress]: [ 3 / 4 ] generating series at (2 1 2)
0.429 * [approximate]: Taking taylor expansion of (pow y 4) in (y) around 0
0.429 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.429 * [taylor]: Taking taylor expansion of y in y
0.429 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.429 * [taylor]: Taking taylor expansion of y in y
0.438 * [approximate]: Taking taylor expansion of (/ 1 (pow y 4)) in (y) around 0
0.438 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
0.438 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.438 * [taylor]: Taking taylor expansion of y in y
0.438 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
0.439 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.439 * [taylor]: Taking taylor expansion of y in y
0.450 * [approximate]: Taking taylor expansion of (/ 1 (pow y 4)) in (y) around 0
0.450 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
0.450 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.450 * [taylor]: Taking taylor expansion of y in y
0.451 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
0.451 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.451 * [taylor]: Taking taylor expansion of y in y
0.463 * * * * [progress]: [ 4 / 4 ] generating series at (2 2)
0.463 * [approximate]: Taking taylor expansion of (+ x (pow y 2)) in (x y) around 0
0.463 * [taylor]: Taking taylor expansion of (+ x (pow y 2)) in y
0.463 * [taylor]: Taking taylor expansion of x in y
0.463 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.463 * [taylor]: Taking taylor expansion of y in y
0.463 * [taylor]: Taking taylor expansion of (+ x (pow y 2)) in x
0.463 * [taylor]: Taking taylor expansion of x in x
0.463 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.463 * [taylor]: Taking taylor expansion of y in x
0.463 * [taylor]: Taking taylor expansion of (+ x (pow y 2)) in x
0.463 * [taylor]: Taking taylor expansion of x in x
0.463 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.463 * [taylor]: Taking taylor expansion of y in x
0.464 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.464 * [taylor]: Taking taylor expansion of y in y
0.464 * [taylor]: Taking taylor expansion of 1 in y
0.465 * [taylor]: Taking taylor expansion of 0 in y
0.466 * [taylor]: Taking taylor expansion of 0 in y
0.468 * [taylor]: Taking taylor expansion of 0 in y
0.468 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (/ 1 x)) in (x y) around 0
0.468 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (/ 1 x)) in y
0.468 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.468 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.468 * [taylor]: Taking taylor expansion of y in y
0.469 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.469 * [taylor]: Taking taylor expansion of x in y
0.469 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (/ 1 x)) in x
0.469 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.469 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.469 * [taylor]: Taking taylor expansion of y in x
0.469 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.469 * [taylor]: Taking taylor expansion of x in x
0.470 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (/ 1 x)) in x
0.470 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.470 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.470 * [taylor]: Taking taylor expansion of y in x
0.470 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.470 * [taylor]: Taking taylor expansion of x in x
0.470 * [taylor]: Taking taylor expansion of 1 in y
0.471 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.471 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.471 * [taylor]: Taking taylor expansion of y in y
0.473 * [taylor]: Taking taylor expansion of 0 in y
0.475 * [taylor]: Taking taylor expansion of 0 in y
0.485 * [taylor]: Taking taylor expansion of 0 in y
0.488 * [taylor]: Taking taylor expansion of 0 in y
0.489 * [approximate]: Taking taylor expansion of (- (/ 1 (pow y 2)) (/ 1 x)) in (x y) around 0
0.489 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2)) (/ 1 x)) in y
0.489 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.489 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.489 * [taylor]: Taking taylor expansion of y in y
0.490 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.490 * [taylor]: Taking taylor expansion of x in y
0.490 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2)) (/ 1 x)) in x
0.490 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.490 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.490 * [taylor]: Taking taylor expansion of y in x
0.490 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.490 * [taylor]: Taking taylor expansion of x in x
0.490 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2)) (/ 1 x)) in x
0.490 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.490 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.490 * [taylor]: Taking taylor expansion of y in x
0.491 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.491 * [taylor]: Taking taylor expansion of x in x
0.491 * [taylor]: Taking taylor expansion of -1 in y
0.492 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.492 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.492 * [taylor]: Taking taylor expansion of y in y
0.494 * [taylor]: Taking taylor expansion of 0 in y
0.497 * [taylor]: Taking taylor expansion of 0 in y
0.500 * [taylor]: Taking taylor expansion of 0 in y
0.503 * [taylor]: Taking taylor expansion of 0 in y
0.504 * * * [progress]: simplifying candidates
0.506 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (log (- (* x x) (* (* y y) (* y y)))) (log (+ x (* y y))))
  (log (/ (- (* x x) (* (* y y) (* y y))) (+ x (* y y))))
  (exp (/ (- (* x x) (* (* y y) (* y y))) (+ x (* y y))))
  (/ (* (* (- (* x x) (* (* y y) (* y y))) (- (* x x) (* (* y y) (* y y)))) (- (* x x) (* (* y y) (* y y)))) (* (* (+ x (* y y)) (+ x (* y y))) (+ x (* y y))))
  (* (cbrt (/ (- (* x x) (* (* y y) (* y y))) (+ x (* y y)))) (cbrt (/ (- (* x x) (* (* y y) (* y y))) (+ x (* y y)))))
  (cbrt (/ (- (* x x) (* (* y y) (* y y))) (+ x (* y y))))
  (* (* (/ (- (* x x) (* (* y y) (* y y))) (+ x (* y y))) (/ (- (* x x) (* (* y y) (* y y))) (+ x (* y y)))) (/ (- (* x x) (* (* y y) (* y y))) (+ x (* y y))))
  (sqrt (/ (- (* x x) (* (* y y) (* y y))) (+ x (* y y))))
  (sqrt (/ (- (* x x) (* (* y y) (* y y))) (+ x (* y y))))
  (- (- (* x x) (* (* y y) (* y y))))
  (- (+ x (* y y)))
  (/ (* x x) (+ x (* y y)))
  (/ (* (* y y) (* y y)) (+ x (* y y)))
  (/ (* (cbrt (- (* x x) (* (* y y) (* y y)))) (cbrt (- (* x x) (* (* y y) (* y y))))) (* (cbrt (+ x (* y y))) (cbrt (+ x (* y y)))))
  (/ (cbrt (- (* x x) (* (* y y) (* y y)))) (cbrt (+ x (* y y))))
  (/ (* (cbrt (- (* x x) (* (* y y) (* y y)))) (cbrt (- (* x x) (* (* y y) (* y y))))) (sqrt (+ x (* y y))))
  (/ (cbrt (- (* x x) (* (* y y) (* y y)))) (sqrt (+ x (* y y))))
  (/ (* (cbrt (- (* x x) (* (* y y) (* y y)))) (cbrt (- (* x x) (* (* y y) (* y y))))) 1)
  (/ (cbrt (- (* x x) (* (* y y) (* y y)))) (+ x (* y y)))
  (/ (sqrt (- (* x x) (* (* y y) (* y y)))) (* (cbrt (+ x (* y y))) (cbrt (+ x (* y y)))))
  (/ (sqrt (- (* x x) (* (* y y) (* y y)))) (cbrt (+ x (* y y))))
  (/ (sqrt (- (* x x) (* (* y y) (* y y)))) (sqrt (+ x (* y y))))
  (/ (sqrt (- (* x x) (* (* y y) (* y y)))) (sqrt (+ x (* y y))))
  (/ (sqrt (- (* x x) (* (* y y) (* y y)))) 1)
  (/ (sqrt (- (* x x) (* (* y y) (* y y)))) (+ x (* y y)))
  (/ 1 (* (cbrt (+ x (* y y))) (cbrt (+ x (* y y)))))
  (/ (- (* x x) (* (* y y) (* y y))) (cbrt (+ x (* y y))))
  (/ 1 (sqrt (+ x (* y y))))
  (/ (- (* x x) (* (* y y) (* y y))) (sqrt (+ x (* y y))))
  (/ 1 1)
  (/ (- (* x x) (* (* y y) (* y y))) (+ x (* y y)))
  (/ (+ x (* y y)) (* (cbrt (+ x (* y y))) (cbrt (+ x (* y y)))))
  (/ (- x (* y y)) (cbrt (+ x (* y y))))
  (/ (+ x (* y y)) (sqrt (+ x (* y y))))
  (/ (- x (* y y)) (sqrt (+ x (* y y))))
  (/ (+ x (* y y)) 1)
  (/ (- x (* y y)) (+ x (* y y)))
  (/ 1 (+ x (* y y)))
  (/ (+ x (* y y)) (- (* x x) (* (* y y) (* y y))))
  (/ (- (* x x) (* (* y y) (* y y))) (* (cbrt (+ x (* y y))) (cbrt (+ x (* y y)))))
  (/ (- (* x x) (* (* y y) (* y y))) (sqrt (+ x (* y y))))
  (/ (- (* x x) (* (* y y) (* y y))) 1)
  (/ (+ x (* y y)) (cbrt (- (* x x) (* (* y y) (* y y)))))
  (/ (+ x (* y y)) (sqrt (- (* x x) (* (* y y) (* y y)))))
  (/ (+ x (* y y)) (- (* x x) (* (* y y) (* y y))))
  (/ (+ x (* y y)) (- x (* y y)))
  (/ (- (* x x) (* (* y y) (* y y))) (+ (pow x 3) (pow (* y y) 3)))
  (/ (- (* x x) (* (* y y) (* y y))) (- (* x x) (* (* y y) (* y y))))
  (* (+ x (* y y)) (+ (* (* x x) (* x x)) (+ (* (* (* y y) (* y y)) (* (* y y) (* y y))) (* (* x x) (* (* y y) (* y y))))))
  (* (+ x (* y y)) (+ (* x x) (* (* y y) (* y y))))
  (/ (exp (* x x)) (exp (* (* y y) (* y y))))
  (log (- (* x x) (* (* y y) (* y y))))
  (exp (- (* x x) (* (* y y) (* y y))))
  (* (cbrt (- (* x x) (* (* y y) (* y y)))) (cbrt (- (* x x) (* (* y y) (* y y)))))
  (cbrt (- (* x x) (* (* y y) (* y y))))
  (* (* (- (* x x) (* (* y y) (* y y))) (- (* x x) (* (* y y) (* y y)))) (- (* x x) (* (* y y) (* y y))))
  (sqrt (- (* x x) (* (* y y) (* y y))))
  (sqrt (- (* x x) (* (* y y) (* y y))))
  (- (pow (* x x) 3) (pow (* (* y y) (* y y)) 3))
  (+ (* (* x x) (* x x)) (+ (* (* (* y y) (* y y)) (* (* y y) (* y y))) (* (* x x) (* (* y y) (* y y)))))
  (- (* (* y y) (* y y)))
  (- (* (* x x) (* x x)) (* (* (* y y) (* y y)) (* (* y y) (* y y))))
  (+ (* x x) (* (* y y) (* y y)))
  (+ x (* y y))
  (- x (* y y))
  (- (* (* y y) (* y y)))
  (+ (+ 1 1) (+ 1 1))
  (+ (+ 1 1) 2)
  (+ (+ 1 1) (+ 1 1))
  (+ (+ 1 1) (* 2 1))
  (+ 1 1)
  (+ 1 1)
  (+ 2 (+ 1 1))
  (+ 2 2)
  (+ 2 (+ 1 1))
  (+ 2 (* 2 1))
  (+ (+ 1 1) (+ 1 1))
  (+ (+ 1 1) 2)
  (+ (+ 1 1) (+ 1 1))
  (+ (+ 1 1) (* 2 1))
  (+ 1 1)
  (+ 1 1)
  (+ (* 2 1) (+ 1 1))
  (+ (* 2 1) 2)
  (+ (* 2 1) (+ 1 1))
  (+ (* 2 1) (* 2 1))
  (* y y)
  (* y y)
  (* (* y y) (* y y))
  (* (* y y) (* y y))
  (* y y)
  (* y y)
  (* y y)
  (* (* y y) (* y y))
  (* (* y y) (* y y))
  (* y y)
  (+ 1 1)
  (+ 1 1)
  (+ (+ (log y) (log y)) (+ (log y) (log y)))
  (+ (+ (log y) (log y)) (log (* y y)))
  (+ (log (* y y)) (+ (log y) (log y)))
  (+ (log (* y y)) (log (* y y)))
  (log (* (* y y) (* y y)))
  (exp (* (* y y) (* y y)))
  (* (* (* (* y y) y) (* (* y y) y)) (* (* (* y y) y) (* (* y y) y)))
  (* (* (* (* y y) y) (* (* y y) y)) (* (* (* y y) (* y y)) (* y y)))
  (* (* (* (* y y) (* y y)) (* y y)) (* (* (* y y) y) (* (* y y) y)))
  (* (* (* (* y y) (* y y)) (* y y)) (* (* (* y y) (* y y)) (* y y)))
  (* (cbrt (* (* y y) (* y y))) (cbrt (* (* y y) (* y y))))
  (cbrt (* (* y y) (* y y)))
  (* (* (* (* y y) (* y y)) (* (* y y) (* y y))) (* (* y y) (* y y)))
  (sqrt (* (* y y) (* y y)))
  (sqrt (* (* y y) (* y y)))
  (* y y)
  (* y y)
  (* y y)
  (* y y)
  (* 2 (+ 1 1))
  (* 2 (+ 1 1))
  (* 2 1)
  (* 2 1)
  (* 2 2)
  (* 2 (+ 1 1))
  (* 2 (+ 1 1))
  (* 2 1)
  (* 2 1)
  (* 2 (* 2 1))
  (* (* y y) y)
  (* y (* y y))
  (* (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))))
  (- (* x x) (* (* y y) (* y y)))
  (- x (* y y))
  (- x (pow y 2))
  (- x (pow y 2))
  (- x (pow y 2))
  (pow x 2)
  (- (pow x 2) (pow y 4))
  (- (pow x 2) (pow y 4))
  (pow y 4)
  (pow y 4)
  (pow y 4)
  (+ x (pow y 2))
  (+ x (pow y 2))
  (+ x (pow y 2))
0.513 * * [simplify]: iteration  0 :  371  enodes  (cost  707 )
0.523 * * [simplify]: iteration  1 :  1671  enodes  (cost  594 )
0.560 * * [simplify]: iteration  2 :  5001  enodes  (cost  579 )
0.564 * [simplify]: Simplified to:
   (- (log (- (pow x 2) (pow y 4))) (log (+ x (* y y))))
  (- (log (- (pow x 2) (pow y 4))) (log (+ x (* y y))))
  (exp (/ (- (* x x) (* (* y y) (* y y))) (+ x (* y y))))
  (pow (/ (- (* x x) (* (* y y) (* y y))) (+ x (* y y))) 3)
  (* (cbrt (/ (- (* x x) (* (* y y) (* y y))) (+ x (* y y)))) (cbrt (/ (- (* x x) (* (* y y) (* y y))) (+ x (* y y)))))
  (cbrt (/ (- (* x x) (* (* y y) (* y y))) (+ x (* y y))))
  (pow (/ (- (* x x) (* (* y y) (* y y))) (+ x (* y y))) 3)
  (sqrt (/ (- (* x x) (* (* y y) (* y y))) (+ x (* y y))))
  (sqrt (/ (- (* x x) (* (* y y) (* y y))) (+ x (* y y))))
  (- (- (pow x 2) (pow y 4)))
  (- (+ x (* y y)))
  (/ (* x x) (+ x (* y y)))
  (/ (pow y 4) (+ x (* y y)))
  (/ (* (cbrt (- (* x x) (* (* y y) (* y y)))) (cbrt (- (* x x) (* (* y y) (* y y))))) (* (cbrt (+ x (* y y))) (cbrt (+ x (* y y)))))
  (/ (cbrt (- (* x x) (* (* y y) (* y y)))) (cbrt (+ x (* y y))))
  (/ (* (cbrt (- (* x x) (* (* y y) (* y y)))) (cbrt (- (* x x) (* (* y y) (* y y))))) (sqrt (+ x (* y y))))
  (/ (cbrt (- (* x x) (* (* y y) (* y y)))) (sqrt (+ x (* y y))))
  (* (cbrt (- (* x x) (* (* y y) (* y y)))) (cbrt (- (* x x) (* (* y y) (* y y)))))
  (/ (cbrt (- (* x x) (* (* y y) (* y y)))) (+ x (* y y)))
  (/ (sqrt (- (* x x) (* (* y y) (* y y)))) (* (cbrt (+ x (* y y))) (cbrt (+ x (* y y)))))
  (/ (sqrt (- (* x x) (* (* y y) (* y y)))) (cbrt (+ x (* y y))))
  (/ (sqrt (- (* x x) (* (* y y) (* y y)))) (sqrt (+ x (* y y))))
  (/ (sqrt (- (* x x) (* (* y y) (* y y)))) (sqrt (+ x (* y y))))
  (sqrt (- (* x x) (* (* y y) (* y y))))
  (/ (sqrt (- (* x x) (* (* y y) (* y y)))) (+ x (* y y)))
  (/ 1 (* (cbrt (+ x (* y y))) (cbrt (+ x (* y y)))))
  (/ (- (pow x 2) (pow y 4)) (cbrt (+ x (* y y))))
  (/ 1 (sqrt (+ x (* y y))))
  (/ (- (pow x 2) (pow y 4)) (sqrt (+ x (* y y))))
  1
  (/ (- (pow x 2) (pow y 4)) (+ x (* y y)))
  (/ (+ x (* y y)) (* (cbrt (+ x (* y y))) (cbrt (+ x (* y y)))))
  (/ (- x (* y y)) (cbrt (+ x (* y y))))
  (/ (+ x (* y y)) (sqrt (+ x (* y y))))
  (/ (- x (* y y)) (sqrt (+ x (* y y))))
  (+ x (* y y))
  (/ (- x (* y y)) (+ x (* y y)))
  (/ 1 (+ x (* y y)))
  (/ 1 (- x (pow y 2)))
  (/ (/ (- (pow x 2) (pow y 4)) (cbrt (+ x (* y y)))) (cbrt (+ x (* y y))))
  (/ (- (pow x 2) (pow y 4)) (sqrt (+ x (* y y))))
  (- (pow x 2) (pow y 4))
  (/ (+ x (* y y)) (cbrt (- (* x x) (* (* y y) (* y y)))))
  (/ (+ x (* y y)) (sqrt (- (* x x) (* (* y y) (* y y)))))
  (/ 1 (- x (pow y 2)))
  (/ (+ x (* y y)) (- x (* y y)))
  (/ (- (pow x 2) (pow y 4)) (+ (pow x 3) (pow (* y y) 3)))
  1
  (* (+ (+ (pow x 4) (* (pow x 2) (pow y 4))) (pow y 8)) (+ x (* y y)))
  (* (+ x (* y y)) (+ (pow x 2) (pow y 4)))
  (exp (- (pow x 2) (pow y 4)))
  (log (- (pow x 2) (pow y 4)))
  (exp (- (pow x 2) (pow y 4)))
  (* (cbrt (- (* x x) (* (* y y) (* y y)))) (cbrt (- (* x x) (* (* y y) (* y y)))))
  (cbrt (- (* x x) (* (* y y) (* y y))))
  (pow (- (pow x 2) (pow y 4)) 3)
  (sqrt (- (* x x) (* (* y y) (* y y))))
  (sqrt (- (* x x) (* (* y y) (* y y))))
  (+ (* (- (pow y 6)) (pow y 6)) (pow x 6))
  (+ (+ (pow x 4) (* (pow x 2) (pow y 4))) (pow y 8))
  (- (pow y 4))
  (- (/ (pow x 4) 1) (/ (pow y 8) 1))
  (+ (pow x 2) (pow y 4))
  (+ x (* y y))
  (- x (pow y 2))
  (- (pow y 4))
  4
  4
  4
  4
  2
  2
  4
  4
  4
  4
  4
  4
  4
  4
  2
  2
  4
  4
  4
  4
  (pow y 2)
  (pow y 2)
  (pow y 4)
  (pow y 4)
  (pow y 2)
  (pow y 2)
  (pow y 2)
  (pow y 4)
  (pow y 4)
  (pow y 2)
  2
  2
  (* 4 (log y))
  (* 4 (log y))
  (* 4 (log y))
  (* 4 (log y))
  (* 4 (log y))
  (pow (exp (pow y 3)) y)
  (pow y 12)
  (pow y 12)
  (pow y 12)
  (pow y 12)
  (* (cbrt (* (* y y) (* y y))) (cbrt (* (* y y) (* y y))))
  (cbrt (* (* y y) (* y y)))
  (pow y 12)
  (fabs (pow y 2))
  (fabs (pow y 2))
  (pow y 2)
  (pow y 2)
  (pow y 2)
  (pow y 2)
  4
  4
  2
  2
  4
  4
  4
  2
  2
  4
  (pow y 3)
  (pow y 3)
  (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 (* y y)) 3)
  (sqrt (+ x (* y y)))
  (sqrt (+ x (* y y)))
  (+ (pow x 3) (pow (* y y) 3))
  (+ (* (pow y 2) (- (pow y 2) x)) (pow x 2))
  (- (pow x 2) (pow y 4))
  (- x (pow y 2))
  (- x (pow y 2))
  (- x (pow y 2))
  (- x (pow y 2))
  (pow x 2)
  (- (pow x 2) (pow y 4))
  (- (pow x 2) (pow y 4))
  (pow y 4)
  (pow y 4)
  (pow y 4)
  (+ x (* y y))
  (+ x (* y y))
  (+ x (* y y))
0.565 * * * [progress]: adding candidates to table
0.788 * [progress]: [Phase 3 of 3] Extracting.
0.788 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (- x (* y y)))> #<alt (λ (x y) (/ (- (* x x) (* (* y y) (* y y))) (+ x (* y y))))>)
0.788 * * * [regime-changes]: Trying 4 branch expressions: ((* y y) (- x (* y y)) y x)
0.788 * * * * [regimes]: Trying to branch on (* y y) from (#<alt (λ (x y) (- x (* y y)))> #<alt (λ (x y) (/ (- (* x x) (* (* y y) (* y y))) (+ x (* y y))))>)
0.802 * * * * [regimes]: Trying to branch on (- x (* y y)) from (#<alt (λ (x y) (- x (* y y)))> #<alt (λ (x y) (/ (- (* x x) (* (* y y) (* y y))) (+ x (* y y))))>)
0.814 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (- x (* y y)))> #<alt (λ (x y) (/ (- (* x x) (* (* y y) (* y y))) (+ x (* y y))))>)
0.825 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (- x (* y y)))> #<alt (λ (x y) (/ (- (* x x) (* (* y y) (* y y))) (+ x (* y y))))>)
0.840 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
0.840 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- x (* y y))
0.841 * * [simplify]: iteration  0 :  4  enodes  (cost  2 )
0.841 * [simplify]: Simplified to:
   (- x (* y y))
1.457 * [regime-testing]: Baseline error score: 0.004375546943367921
1.458 * [regime-testing]: Oracle error score: 0.004125515689461182
1.459 * [regime-testing]: End program error score: 0.004375546943367921