13.130 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.017 * * * [progress]: [2/2] Setting up program.
0.019 * [progress]: [Phase 2 of 3] Improving.
0.019 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (* x x) (* y y))
0.022 * * [simplify]: iteration  0 :  6  enodes  (cost  3 )
0.024 * * [simplify]: iteration  1 :  6  enodes  (cost  3 )
0.024 * [simplify]: Simplified to:
   (+ (* x x) (* y y))
0.024 * * [progress]: iteration 1 / 4
0.024 * * * [progress]: picking best candidate
0.026 * * * * [pick]: Picked  #<alt (λ (x y) (+ (* x x) (* y y)))>
0.026 * * * [progress]: localizing error
0.031 * * * [progress]: generating rewritten candidates
0.031 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.034 * * * [progress]: generating series expansions
0.034 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.034 * [approximate]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in (x y) around 0
0.034 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in y
0.034 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.034 * [taylor]: Taking taylor expansion of x in y
0.034 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.034 * [taylor]: Taking taylor expansion of y in y
0.034 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in x
0.034 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.034 * [taylor]: Taking taylor expansion of x in x
0.034 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.034 * [taylor]: Taking taylor expansion of y in x
0.034 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in x
0.034 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.034 * [taylor]: Taking taylor expansion of x in x
0.034 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.034 * [taylor]: Taking taylor expansion of y in x
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 0 in y
0.036 * [taylor]: Taking taylor expansion of 1 in y
0.038 * [taylor]: Taking taylor expansion of 0 in y
0.040 * [taylor]: Taking taylor expansion of 0 in y
0.041 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in (x y) around 0
0.041 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.041 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.041 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.041 * [taylor]: Taking taylor expansion of x in y
0.041 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.041 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.041 * [taylor]: Taking taylor expansion of y in y
0.042 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.042 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.042 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.042 * [taylor]: Taking taylor expansion of x in x
0.042 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.042 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.042 * [taylor]: Taking taylor expansion of y in x
0.043 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.043 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.043 * [taylor]: Taking taylor expansion of (pow x 2) 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
0.044 * [taylor]: Taking taylor expansion of 1 in y
0.045 * [taylor]: Taking taylor expansion of 0 in y
0.046 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.046 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.046 * [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
0.053 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in (x y) around 0
0.053 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.053 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.053 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.053 * [taylor]: Taking taylor expansion of x in y
0.053 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.053 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.053 * [taylor]: Taking taylor expansion of y in y
0.054 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.054 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.054 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.054 * [taylor]: Taking taylor expansion of x in x
0.055 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.055 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.055 * [taylor]: Taking taylor expansion of y in x
0.055 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.055 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.055 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.055 * [taylor]: Taking taylor expansion of x in x
0.055 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.055 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.055 * [taylor]: Taking taylor expansion of y in x
0.056 * [taylor]: Taking taylor expansion of 1 in y
0.057 * [taylor]: Taking taylor expansion of 0 in y
0.058 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.058 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.058 * [taylor]: Taking taylor expansion of y in y
0.061 * [taylor]: Taking taylor expansion of 0 in y
0.064 * [taylor]: Taking taylor expansion of 0 in y
0.065 * * * [progress]: simplifying candidates
0.066 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (exp (* x x)) (exp (* y y)))
  (log (+ (* x x) (* y y)))
  (exp (+ (* x x) (* y y)))
  (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y))))
  (cbrt (+ (* x x) (* y y)))
  (* (* (+ (* x x) (* y y)) (+ (* x x) (* y y))) (+ (* x x) (* y y)))
  (sqrt (+ (* x x) (* y y)))
  (sqrt (+ (* x x) (* y y)))
  (+ (pow (* x x) 3) (pow (* y y) 3))
  (+ (* (* x x) (* x x)) (- (* (* y y) (* y y)) (* (* x x) (* y y))))
  (- (* (* x x) (* x x)) (* (* y y) (* y y)))
  (- (* x x) (* y y))
  (+ (pow x 2) (pow y 2))
  (+ (pow x 2) (pow y 2))
  (+ (pow x 2) (pow y 2))
0.069 * * [simplify]: iteration  0 :  101  enodes  (cost  77 )
0.073 * * [simplify]: iteration  1 :  465  enodes  (cost  66 )
0.080 * * [simplify]: iteration  2 :  1240  enodes  (cost  66 )
0.113 * * [simplify]: iteration  3 :  5001  enodes  (cost  66 )
0.114 * [simplify]: Simplified to:
   (exp (+ (* x x) (* y y)))
  (log (+ (* x x) (* y y)))
  (exp (+ (* x x) (* y y)))
  (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y))))
  (cbrt (+ (* x x) (* y y)))
  (pow (+ (pow x 2) (pow y 2)) 3)
  (sqrt (+ (* x x) (* y y)))
  (sqrt (+ (* x x) (* y y)))
  (+ (pow (* x x) 3) (pow (* y y) 3))
  (- (pow y 4) (- (* (* x x) (* y y)) (pow x 4)))
  (+ (* (- (pow y 3)) y) (pow x 4))
  (- (* x x) (* y y))
  (+ (pow x 2) (pow y 2))
  (+ (pow x 2) (pow y 2))
  (+ (pow x 2) (pow y 2))
0.114 * * * [progress]: adding candidates to table
0.146 * * [progress]: iteration 2 / 4
0.146 * * * [progress]: picking best candidate
0.148 * * * * [pick]: Picked  #<alt (λ (x y) (/ (+ (* (- (pow y 3)) y) (pow x 4)) (- (* x x) (* y y))))>
0.148 * * * [progress]: localizing error
0.161 * * * [progress]: generating rewritten candidates
0.161 * * * * [progress]: [ 1 / 4 ] rewriting at (2)
0.188 * * * * [progress]: [ 2 / 4 ] rewriting at (2 1)
0.199 * * * * [progress]: [ 3 / 4 ] rewriting at (2 1 1)
0.214 * * * * [progress]: [ 4 / 4 ] rewriting at (2 2)
0.220 * * * [progress]: generating series expansions
0.220 * * * * [progress]: [ 1 / 4 ] generating series at (2)
0.221 * [approximate]: Taking taylor expansion of (/ (- (pow x 4) (pow y 4)) (- (pow x 2) (pow y 2))) in (y x) around 0
0.221 * [taylor]: Taking taylor expansion of (/ (- (pow x 4) (pow y 4)) (- (pow x 2) (pow y 2))) in x
0.221 * [taylor]: Taking taylor expansion of (- (pow x 4) (pow y 4)) in x
0.221 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.221 * [taylor]: Taking taylor expansion of x in x
0.221 * [taylor]: Taking taylor expansion of (pow y 4) in x
0.221 * [taylor]: Taking taylor expansion of y in x
0.221 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in x
0.221 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.221 * [taylor]: Taking taylor expansion of x in x
0.221 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.221 * [taylor]: Taking taylor expansion of y in x
0.222 * [taylor]: Taking taylor expansion of (/ (- (pow x 4) (pow y 4)) (- (pow x 2) (pow y 2))) in y
0.222 * [taylor]: Taking taylor expansion of (- (pow x 4) (pow y 4)) in y
0.222 * [taylor]: Taking taylor expansion of (pow x 4) in y
0.222 * [taylor]: Taking taylor expansion of x in y
0.222 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.222 * [taylor]: Taking taylor expansion of y in y
0.222 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in y
0.222 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.222 * [taylor]: Taking taylor expansion of x in y
0.222 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.222 * [taylor]: Taking taylor expansion of y in y
0.222 * [taylor]: Taking taylor expansion of (/ (- (pow x 4) (pow y 4)) (- (pow x 2) (pow y 2))) in y
0.222 * [taylor]: Taking taylor expansion of (- (pow x 4) (pow y 4)) in y
0.222 * [taylor]: Taking taylor expansion of (pow x 4) in y
0.222 * [taylor]: Taking taylor expansion of x in y
0.222 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.222 * [taylor]: Taking taylor expansion of y in y
0.222 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in y
0.222 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.222 * [taylor]: Taking taylor expansion of x in y
0.222 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.222 * [taylor]: Taking taylor expansion of y in y
0.223 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.223 * [taylor]: Taking taylor expansion of x in x
0.224 * [taylor]: Taking taylor expansion of 0 in x
0.227 * [taylor]: Taking taylor expansion of 1 in x
0.230 * [taylor]: Taking taylor expansion of 0 in x
0.236 * [taylor]: Taking taylor expansion of 0 in x
0.237 * [approximate]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in (y x) around 0
0.237 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.237 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in x
0.237 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.237 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.237 * [taylor]: Taking taylor expansion of x in x
0.238 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x
0.238 * [taylor]: Taking taylor expansion of (pow y 4) in x
0.238 * [taylor]: Taking taylor expansion of y in x
0.238 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.238 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.238 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.238 * [taylor]: Taking taylor expansion of x in x
0.239 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.239 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.239 * [taylor]: Taking taylor expansion of y in x
0.240 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in y
0.240 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in y
0.240 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in y
0.240 * [taylor]: Taking taylor expansion of (pow x 4) in y
0.240 * [taylor]: Taking taylor expansion of x in y
0.240 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
0.240 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.240 * [taylor]: Taking taylor expansion of y in y
0.241 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.241 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.241 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.241 * [taylor]: Taking taylor expansion of x in y
0.241 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.241 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.241 * [taylor]: Taking taylor expansion of y in y
0.243 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in y
0.243 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in y
0.243 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in y
0.243 * [taylor]: Taking taylor expansion of (pow x 4) in y
0.243 * [taylor]: Taking taylor expansion of x in y
0.243 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
0.243 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.243 * [taylor]: Taking taylor expansion of y in y
0.244 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.244 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.244 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.244 * [taylor]: Taking taylor expansion of x in y
0.244 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.244 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.244 * [taylor]: Taking taylor expansion of y in y
0.246 * [taylor]: Taking taylor expansion of 1 in x
0.250 * [taylor]: Taking taylor expansion of 0 in x
0.254 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.254 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.254 * [taylor]: Taking taylor expansion of x in x
0.260 * [taylor]: Taking taylor expansion of 0 in x
0.267 * [taylor]: Taking taylor expansion of 0 in x
0.269 * [approximate]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in (y x) around 0
0.269 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.269 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in x
0.269 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.269 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.269 * [taylor]: Taking taylor expansion of x in x
0.270 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x
0.270 * [taylor]: Taking taylor expansion of (pow y 4) in x
0.270 * [taylor]: Taking taylor expansion of y in x
0.270 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.270 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.270 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.270 * [taylor]: Taking taylor expansion of x in x
0.271 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.271 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.271 * [taylor]: Taking taylor expansion of y in x
0.272 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in y
0.272 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in y
0.272 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in y
0.272 * [taylor]: Taking taylor expansion of (pow x 4) in y
0.272 * [taylor]: Taking taylor expansion of x in y
0.272 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
0.272 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.272 * [taylor]: Taking taylor expansion of y in y
0.273 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.273 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.273 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.273 * [taylor]: Taking taylor expansion of x 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
0.275 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in y
0.275 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in y
0.275 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in y
0.275 * [taylor]: Taking taylor expansion of (pow x 4) in y
0.275 * [taylor]: Taking taylor expansion of x in y
0.276 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
0.276 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.276 * [taylor]: Taking taylor expansion of y in y
0.276 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.277 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.277 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.277 * [taylor]: Taking taylor expansion of x in y
0.277 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.277 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.277 * [taylor]: Taking taylor expansion of y in y
0.279 * [taylor]: Taking taylor expansion of 1 in x
0.282 * [taylor]: Taking taylor expansion of 0 in x
0.290 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.290 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.290 * [taylor]: Taking taylor expansion of x in x
0.296 * [taylor]: Taking taylor expansion of 0 in x
0.303 * [taylor]: Taking taylor expansion of 0 in x
0.304 * * * * [progress]: [ 2 / 4 ] generating series at (2 1)
0.305 * [approximate]: Taking taylor expansion of (- (pow x 4) (pow y 4)) in (y x) around 0
0.305 * [taylor]: Taking taylor expansion of (- (pow x 4) (pow y 4)) in x
0.305 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.305 * [taylor]: Taking taylor expansion of x in x
0.305 * [taylor]: Taking taylor expansion of (pow y 4) in x
0.305 * [taylor]: Taking taylor expansion of y in x
0.305 * [taylor]: Taking taylor expansion of (- (pow x 4) (pow y 4)) in y
0.305 * [taylor]: Taking taylor expansion of (pow x 4) in y
0.305 * [taylor]: Taking taylor expansion of x in y
0.305 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.305 * [taylor]: Taking taylor expansion of y in y
0.305 * [taylor]: Taking taylor expansion of (- (pow x 4) (pow y 4)) in y
0.305 * [taylor]: Taking taylor expansion of (pow x 4) in y
0.305 * [taylor]: Taking taylor expansion of x in y
0.305 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.305 * [taylor]: Taking taylor expansion of y in y
0.305 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.305 * [taylor]: Taking taylor expansion of x in x
0.306 * [taylor]: Taking taylor expansion of 0 in x
0.307 * [taylor]: Taking taylor expansion of 0 in x
0.308 * [taylor]: Taking taylor expansion of 0 in x
0.309 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in (y x) around 0
0.309 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in x
0.309 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.309 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.309 * [taylor]: Taking taylor expansion of x in x
0.310 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x
0.310 * [taylor]: Taking taylor expansion of (pow y 4) in x
0.310 * [taylor]: Taking taylor expansion of y in x
0.310 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in y
0.310 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in y
0.310 * [taylor]: Taking taylor expansion of (pow x 4) in y
0.310 * [taylor]: Taking taylor expansion of x in y
0.310 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
0.310 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.310 * [taylor]: Taking taylor expansion of y in y
0.311 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in y
0.311 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in y
0.311 * [taylor]: Taking taylor expansion of (pow x 4) in y
0.311 * [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 in x
0.315 * [taylor]: Taking taylor expansion of 0 in x
0.317 * [taylor]: Taking taylor expansion of 0 in x
0.319 * [taylor]: Taking taylor expansion of 0 in x
0.322 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.322 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.322 * [taylor]: Taking taylor expansion of x in x
0.326 * [taylor]: Taking taylor expansion of 0 in x
0.332 * [taylor]: Taking taylor expansion of 0 in x
0.334 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in (y x) around 0
0.334 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in x
0.334 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.334 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.334 * [taylor]: Taking taylor expansion of x in x
0.335 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x
0.335 * [taylor]: Taking taylor expansion of (pow y 4) in x
0.335 * [taylor]: Taking taylor expansion of y in x
0.335 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in y
0.336 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in y
0.336 * [taylor]: Taking taylor expansion of (pow x 4) in y
0.336 * [taylor]: Taking taylor expansion of x in y
0.336 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
0.336 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.336 * [taylor]: Taking taylor expansion of y in y
0.337 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in y
0.337 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in y
0.337 * [taylor]: Taking taylor expansion of (pow x 4) in y
0.337 * [taylor]: Taking taylor expansion of x in y
0.337 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
0.337 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.337 * [taylor]: Taking taylor expansion of y in y
0.338 * [taylor]: Taking taylor expansion of -1 in x
0.340 * [taylor]: Taking taylor expansion of 0 in x
0.342 * [taylor]: Taking taylor expansion of 0 in x
0.344 * [taylor]: Taking taylor expansion of 0 in x
0.347 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.347 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.347 * [taylor]: Taking taylor expansion of x in x
0.351 * [taylor]: Taking taylor expansion of 0 in x
0.356 * [taylor]: Taking taylor expansion of 0 in x
0.358 * * * * [progress]: [ 3 / 4 ] generating series at (2 1 1)
0.358 * [approximate]: Taking taylor expansion of (* -1 (pow y 4)) in (y) around 0
0.358 * [taylor]: Taking taylor expansion of (* -1 (pow y 4)) in y
0.358 * [taylor]: Taking taylor expansion of -1 in y
0.358 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.358 * [taylor]: Taking taylor expansion of y in y
0.358 * [taylor]: Taking taylor expansion of (* -1 (pow y 4)) in y
0.358 * [taylor]: Taking taylor expansion of -1 in y
0.358 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.358 * [taylor]: Taking taylor expansion of y in y
0.371 * [approximate]: Taking taylor expansion of (/ -1 (pow y 4)) in (y) around 0
0.371 * [taylor]: Taking taylor expansion of (/ -1 (pow y 4)) in y
0.371 * [taylor]: Taking taylor expansion of -1 in y
0.371 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.371 * [taylor]: Taking taylor expansion of y in y
0.372 * [taylor]: Taking taylor expansion of (/ -1 (pow y 4)) in y
0.372 * [taylor]: Taking taylor expansion of -1 in y
0.372 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.372 * [taylor]: Taking taylor expansion of y in y
0.387 * [approximate]: Taking taylor expansion of (/ -1 (pow y 4)) in (y) around 0
0.387 * [taylor]: Taking taylor expansion of (/ -1 (pow y 4)) in y
0.387 * [taylor]: Taking taylor expansion of -1 in y
0.387 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.387 * [taylor]: Taking taylor expansion of y in y
0.388 * [taylor]: Taking taylor expansion of (/ -1 (pow y 4)) in y
0.388 * [taylor]: Taking taylor expansion of -1 in y
0.388 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.388 * [taylor]: Taking taylor expansion of y in y
0.401 * * * * [progress]: [ 4 / 4 ] generating series at (2 2)
0.401 * [approximate]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in (x y) around 0
0.401 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in y
0.401 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.401 * [taylor]: Taking taylor expansion of x in y
0.401 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.401 * [taylor]: Taking taylor expansion of y in y
0.401 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in x
0.401 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.401 * [taylor]: Taking taylor expansion of x in x
0.401 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.401 * [taylor]: Taking taylor expansion of y in x
0.401 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in x
0.401 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.401 * [taylor]: Taking taylor expansion of x in x
0.401 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.401 * [taylor]: Taking taylor expansion of y in x
0.401 * [taylor]: Taking taylor expansion of (- (pow y 2)) in y
0.402 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.402 * [taylor]: Taking taylor expansion of y in y
0.402 * [taylor]: Taking taylor expansion of 0 in y
0.403 * [taylor]: Taking taylor expansion of 1 in y
0.405 * [taylor]: Taking taylor expansion of 0 in y
0.408 * [taylor]: Taking taylor expansion of 0 in y
0.408 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in (x y) around 0
0.408 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.409 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.409 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.409 * [taylor]: Taking taylor expansion of x in y
0.409 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.409 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.409 * [taylor]: Taking taylor expansion of y in y
0.409 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.409 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.409 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.409 * [taylor]: Taking taylor expansion of x in x
0.410 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.410 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.410 * [taylor]: Taking taylor expansion of y in x
0.410 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.410 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.410 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.410 * [taylor]: Taking taylor expansion of x in x
0.411 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.411 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.411 * [taylor]: Taking taylor expansion of y in x
0.411 * [taylor]: Taking taylor expansion of 1 in y
0.412 * [taylor]: Taking taylor expansion of 0 in y
0.414 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2))) in y
0.414 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.414 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.414 * [taylor]: Taking taylor expansion of y in y
0.417 * [taylor]: Taking taylor expansion of 0 in y
0.420 * [taylor]: Taking taylor expansion of 0 in y
0.422 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in (x y) around 0
0.422 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.422 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.422 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.422 * [taylor]: Taking taylor expansion of x in y
0.422 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.422 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.422 * [taylor]: Taking taylor expansion of y in y
0.423 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.423 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.423 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.423 * [taylor]: Taking taylor expansion of x in x
0.424 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.424 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.424 * [taylor]: Taking taylor expansion of y in x
0.424 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.424 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.424 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.424 * [taylor]: Taking taylor expansion of x in x
0.424 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.424 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.424 * [taylor]: Taking taylor expansion of y in x
0.425 * [taylor]: Taking taylor expansion of 1 in y
0.426 * [taylor]: Taking taylor expansion of 0 in y
0.428 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2))) in y
0.428 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.428 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.428 * [taylor]: Taking taylor expansion of y in y
0.430 * [taylor]: Taking taylor expansion of 0 in y
0.434 * [taylor]: Taking taylor expansion of 0 in y
0.436 * * * [progress]: simplifying candidates
0.437 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (log (+ (* (- (pow y 3)) y) (pow x 4))) (log (- (* x x) (* y y))))
  (log (/ (+ (* (- (pow y 3)) y) (pow x 4)) (- (* x x) (* y y))))
  (exp (/ (+ (* (- (pow y 3)) y) (pow x 4)) (- (* x x) (* y y))))
  (/ (* (* (+ (* (- (pow y 3)) y) (pow x 4)) (+ (* (- (pow y 3)) y) (pow x 4))) (+ (* (- (pow y 3)) y) (pow x 4))) (* (* (- (* x x) (* y y)) (- (* x x) (* y y))) (- (* x x) (* y y))))
  (* (cbrt (/ (+ (* (- (pow y 3)) y) (pow x 4)) (- (* x x) (* y y)))) (cbrt (/ (+ (* (- (pow y 3)) y) (pow x 4)) (- (* x x) (* y y)))))
  (cbrt (/ (+ (* (- (pow y 3)) y) (pow x 4)) (- (* x x) (* y y))))
  (* (* (/ (+ (* (- (pow y 3)) y) (pow x 4)) (- (* x x) (* y y))) (/ (+ (* (- (pow y 3)) y) (pow x 4)) (- (* x x) (* y y)))) (/ (+ (* (- (pow y 3)) y) (pow x 4)) (- (* x x) (* y y))))
  (sqrt (/ (+ (* (- (pow y 3)) y) (pow x 4)) (- (* x x) (* y y))))
  (sqrt (/ (+ (* (- (pow y 3)) y) (pow x 4)) (- (* x x) (* y y))))
  (- (+ (* (- (pow y 3)) y) (pow x 4)))
  (- (- (* x x) (* y y)))
  (/ (* (cbrt (+ (* (- (pow y 3)) y) (pow x 4))) (cbrt (+ (* (- (pow y 3)) y) (pow x 4)))) (* (cbrt (- (* x x) (* y y))) (cbrt (- (* x x) (* y y)))))
  (/ (cbrt (+ (* (- (pow y 3)) y) (pow x 4))) (cbrt (- (* x x) (* y y))))
  (/ (* (cbrt (+ (* (- (pow y 3)) y) (pow x 4))) (cbrt (+ (* (- (pow y 3)) y) (pow x 4)))) (sqrt (- (* x x) (* y y))))
  (/ (cbrt (+ (* (- (pow y 3)) y) (pow x 4))) (sqrt (- (* x x) (* y y))))
  (/ (* (cbrt (+ (* (- (pow y 3)) y) (pow x 4))) (cbrt (+ (* (- (pow y 3)) y) (pow x 4)))) 1)
  (/ (cbrt (+ (* (- (pow y 3)) y) (pow x 4))) (- (* x x) (* y y)))
  (/ (* (cbrt (+ (* (- (pow y 3)) y) (pow x 4))) (cbrt (+ (* (- (pow y 3)) y) (pow x 4)))) (+ x y))
  (/ (cbrt (+ (* (- (pow y 3)) y) (pow x 4))) (- x y))
  (/ (sqrt (+ (* (- (pow y 3)) y) (pow x 4))) (* (cbrt (- (* x x) (* y y))) (cbrt (- (* x x) (* y y)))))
  (/ (sqrt (+ (* (- (pow y 3)) y) (pow x 4))) (cbrt (- (* x x) (* y y))))
  (/ (sqrt (+ (* (- (pow y 3)) y) (pow x 4))) (sqrt (- (* x x) (* y y))))
  (/ (sqrt (+ (* (- (pow y 3)) y) (pow x 4))) (sqrt (- (* x x) (* y y))))
  (/ (sqrt (+ (* (- (pow y 3)) y) (pow x 4))) 1)
  (/ (sqrt (+ (* (- (pow y 3)) y) (pow x 4))) (- (* x x) (* y y)))
  (/ (sqrt (+ (* (- (pow y 3)) y) (pow x 4))) (+ x y))
  (/ (sqrt (+ (* (- (pow y 3)) y) (pow x 4))) (- x y))
  (/ 1 (* (cbrt (- (* x x) (* y y))) (cbrt (- (* x x) (* y y)))))
  (/ (+ (* (- (pow y 3)) y) (pow x 4)) (cbrt (- (* x x) (* y y))))
  (/ 1 (sqrt (- (* x x) (* y y))))
  (/ (+ (* (- (pow y 3)) y) (pow x 4)) (sqrt (- (* x x) (* y y))))
  (/ 1 1)
  (/ (+ (* (- (pow y 3)) y) (pow x 4)) (- (* x x) (* y y)))
  (/ 1 (+ x y))
  (/ (+ (* (- (pow y 3)) y) (pow x 4)) (- x y))
  (/ 1 (- (* x x) (* y y)))
  (/ (- (* x x) (* y y)) (+ (* (- (pow y 3)) y) (pow x 4)))
  (/ (+ (* (- (pow y 3)) y) (pow x 4)) (* (cbrt (- (* x x) (* y y))) (cbrt (- (* x x) (* y y)))))
  (/ (+ (* (- (pow y 3)) y) (pow x 4)) (sqrt (- (* x x) (* y y))))
  (/ (+ (* (- (pow y 3)) y) (pow x 4)) 1)
  (/ (+ (* (- (pow y 3)) y) (pow x 4)) (+ x y))
  (/ (- (* x x) (* y y)) (cbrt (+ (* (- (pow y 3)) y) (pow x 4))))
  (/ (- (* x x) (* y y)) (sqrt (+ (* (- (pow y 3)) y) (pow x 4))))
  (/ (- (* x x) (* y y)) (+ (* (- (pow y 3)) y) (pow x 4)))
  (/ (+ (* (- (pow y 3)) y) (pow x 4)) (- (pow (* x x) 3) (pow (* y y) 3)))
  (/ (+ (* (- (pow y 3)) y) (pow x 4)) (- (* (* x x) (* x x)) (* (* y y) (* y y))))
  (* (- (* x x) (* y y)) (+ (* (* (- (pow y 3)) y) (* (- (pow y 3)) y)) (- (* (pow x 4) (pow x 4)) (* (* (- (pow y 3)) y) (pow x 4)))))
  (* (- (* x x) (* y y)) (- (* (- (pow y 3)) y) (pow x 4)))
  (* (exp (* (- (pow y 3)) y)) (exp (pow x 4)))
  (log (+ (* (- (pow y 3)) y) (pow x 4)))
  (exp (+ (* (- (pow y 3)) y) (pow x 4)))
  (* (cbrt (+ (* (- (pow y 3)) y) (pow x 4))) (cbrt (+ (* (- (pow y 3)) y) (pow x 4))))
  (cbrt (+ (* (- (pow y 3)) y) (pow x 4)))
  (* (* (+ (* (- (pow y 3)) y) (pow x 4)) (+ (* (- (pow y 3)) y) (pow x 4))) (+ (* (- (pow y 3)) y) (pow x 4)))
  (sqrt (+ (* (- (pow y 3)) y) (pow x 4)))
  (sqrt (+ (* (- (pow y 3)) y) (pow x 4)))
  (+ (pow (* (- (pow y 3)) y) 3) (pow (pow x 4) 3))
  (+ (* (* (- (pow y 3)) y) (* (- (pow y 3)) y)) (- (* (pow x 4) (pow x 4)) (* (* (- (pow y 3)) y) (pow x 4))))
  (- (* (* (- (pow y 3)) y) (* (- (pow y 3)) y)) (* (pow x 4) (pow x 4)))
  (- (* (- (pow y 3)) y) (pow x 4))
  (* (- (pow y 3)) y)
  (+ (log (- (pow y 3))) (log y))
  (log (* (- (pow y 3)) y))
  (exp (* (- (pow y 3)) y))
  (* (* (* (- (pow y 3)) (- (pow y 3))) (- (pow y 3))) (* (* y y) y))
  (* (cbrt (* (- (pow y 3)) y)) (cbrt (* (- (pow y 3)) y)))
  (cbrt (* (- (pow y 3)) y))
  (* (* (* (- (pow y 3)) y) (* (- (pow y 3)) y)) (* (- (pow y 3)) y))
  (sqrt (* (- (pow y 3)) y))
  (sqrt (* (- (pow y 3)) y))
  (* (sqrt (- (pow y 3))) (sqrt y))
  (* (sqrt (- (pow y 3))) (sqrt y))
  (* (pow y 3) y)
  (* (- (pow y 3)) (* (cbrt y) (cbrt y)))
  (* (- (pow y 3)) (sqrt y))
  (* (- (pow y 3)) 1)
  (* (cbrt (- (pow y 3))) y)
  (* (sqrt (- (pow y 3))) y)
  (* (- (pow y 3)) y)
  (* (pow y 3) y)
  (* (pow (cbrt y) 3) y)
  (* (pow (sqrt y) 3) y)
  (* (pow y 3) y)
  (* y y)
  (* (cbrt (pow y 3)) y)
  (* (pow (cbrt y) 3) y)
  (* (pow (sqrt y) 3) y)
  (* (pow y 3) y)
  (* (* y y) y)
  (* (sqrt (pow y 3)) y)
  (* (pow y 3) y)
  (* (pow y (/ 3 2)) y)
  (* (- (pow (cbrt y) 3)) y)
  (* (- (pow (sqrt y) 3)) y)
  (* (- (pow y 3)) y)
  (* (- y) y)
  (* (- (cbrt (pow y 3))) y)
  (* (- (pow (cbrt y) 3)) y)
  (* (- (pow (sqrt y) 3)) y)
  (* (- (pow y 3)) y)
  (* (- (* y y)) y)
  (* (- (sqrt (pow y 3))) y)
  (* (- (pow y 3)) y)
  (* (- (pow y (/ 3 2))) y)
  (/ (exp (* x x)) (exp (* y y)))
  (log (- (* x x) (* y y)))
  (exp (- (* x x) (* y y)))
  (* (cbrt (- (* x x) (* y y))) (cbrt (- (* x x) (* y y))))
  (cbrt (- (* x x) (* y y)))
  (* (* (- (* x x) (* y y)) (- (* x x) (* y y))) (- (* x x) (* y y)))
  (sqrt (- (* x x) (* y y)))
  (sqrt (- (* x x) (* y y)))
  (- (pow (* x x) 3) (pow (* y y) 3))
  (+ (* (* x x) (* x x)) (+ (* (* y y) (* y y)) (* (* x x) (* y y))))
  (- (* y y))
  (- (* (* x x) (* x x)) (* (* y y) (* y y)))
  (+ (* x x) (* y y))
  (+ x y)
  (- x y)
  (- (* y y))
  (+ (pow x 2) (pow y 2))
  (+ (pow x 2) (pow y 2))
  (+ (pow x 2) (pow y 2))
  0
  (- (pow x 4) (pow y 4))
  (- (pow x 4) (pow y 4))
  (* -1 (pow y 4))
  (* -1 (pow y 4))
  (* -1 (pow y 4))
  (- (pow x 2) (pow y 2))
  (- (pow x 2) (pow y 2))
  (- (pow x 2) (pow y 2))
0.444 * * [simplify]: iteration  0 :  391  enodes  (cost  845 )
0.455 * * [simplify]: iteration  1 :  2274  enodes  (cost  730 )
0.523 * * [simplify]: iteration  2 :  5002  enodes  (cost  721 )
0.527 * [simplify]: Simplified to:
   (- (log (- (pow x 4) (pow y 4))) (log (- (* x x) (* y y))))
  (- (log (- (pow x 4) (pow y 4))) (log (- (* x x) (* y y))))
  (exp (/ (+ (* (- (pow y 3)) y) (pow x 4)) (- (* x x) (* y y))))
  (pow (/ (/ (- (pow x 4) (pow y 4)) (+ x y)) (- x y)) 3)
  (* (cbrt (/ (+ (* (- (pow y 3)) y) (pow x 4)) (- (* x x) (* y y)))) (cbrt (/ (+ (* (- (pow y 3)) y) (pow x 4)) (- (* x x) (* y y)))))
  (cbrt (/ (+ (* (- (pow y 3)) y) (pow x 4)) (- (* x x) (* y y))))
  (pow (/ (/ (- (pow x 4) (pow y 4)) (+ x y)) (- x y)) 3)
  (sqrt (/ (+ (* (- (pow y 3)) y) (pow x 4)) (- (* x x) (* y y))))
  (sqrt (/ (+ (* (- (pow y 3)) y) (pow x 4)) (- (* x x) (* y y))))
  (- (pow y 4) (pow x 4))
  (- (- (* x x) (* y y)))
  (/ (* (cbrt (+ (* (- (pow y 3)) y) (pow x 4))) (cbrt (+ (* (- (pow y 3)) y) (pow x 4)))) (* (cbrt (- (* x x) (* y y))) (cbrt (- (* x x) (* y y)))))
  (/ (cbrt (+ (* (- (pow y 3)) y) (pow x 4))) (cbrt (- (* x x) (* y y))))
  (/ (* (cbrt (+ (* (- (pow y 3)) y) (pow x 4))) (cbrt (+ (* (- (pow y 3)) y) (pow x 4)))) (sqrt (- (* x x) (* y y))))
  (/ (cbrt (+ (* (- (pow y 3)) y) (pow x 4))) (sqrt (- (* x x) (* y y))))
  (* (cbrt (+ (* (- (pow y 3)) y) (pow x 4))) (cbrt (+ (* (- (pow y 3)) y) (pow x 4))))
  (/ (cbrt (+ (* (- (pow y 3)) y) (pow x 4))) (- (* x x) (* y y)))
  (/ (* (cbrt (+ (* (- (pow y 3)) y) (pow x 4))) (cbrt (+ (* (- (pow y 3)) y) (pow x 4)))) (+ x y))
  (/ (cbrt (+ (* (- (pow y 3)) y) (pow x 4))) (- x y))
  (/ (sqrt (+ (* (- (pow y 3)) y) (pow x 4))) (* (cbrt (- (* x x) (* y y))) (cbrt (- (* x x) (* y y)))))
  (/ (sqrt (+ (* (- (pow y 3)) y) (pow x 4))) (cbrt (- (* x x) (* y y))))
  (/ (sqrt (+ (* (- (pow y 3)) y) (pow x 4))) (sqrt (- (* x x) (* y y))))
  (/ (sqrt (+ (* (- (pow y 3)) y) (pow x 4))) (sqrt (- (* x x) (* y y))))
  (sqrt (+ (* (- (pow y 3)) y) (pow x 4)))
  (/ (sqrt (+ (* (- (pow y 3)) y) (pow x 4))) (- (* x x) (* y y)))
  (/ (sqrt (+ (* (- (pow y 3)) y) (pow x 4))) (+ x y))
  (/ (sqrt (+ (* (- (pow y 3)) y) (pow x 4))) (- x y))
  (/ 1 (* (cbrt (- (* x x) (* y y))) (cbrt (- (* x x) (* y y)))))
  (/ (- (pow x 4) (pow y 4)) (cbrt (- (* x x) (* y y))))
  (/ 1 (sqrt (- (* x x) (* y y))))
  (/ (- (pow x 4) (pow y 4)) (sqrt (- (* x x) (* y y))))
  1
  (/ (/ (- (pow x 4) (pow y 4)) (+ x y)) (- x y))
  (/ 1 (+ x y))
  (/ (- (pow x 4) (pow y 4)) (- x y))
  (/ 1 (- (* x x) (* y y)))
  (/ (+ x y) (/ (- (pow x 4) (pow y 4)) (- x y)))
  (/ (/ (- (pow x 4) (pow y 4)) (cbrt (- (* x x) (* y y)))) (cbrt (- (* x x) (* y y))))
  (/ (- (pow x 4) (pow y 4)) (sqrt (- (* x x) (* y y))))
  (- (pow x 4) (pow y 4))
  (/ (- (pow x 4) (pow y 4)) (+ x y))
  (/ (- (* x x) (* y y)) (cbrt (+ (* (- (pow y 3)) y) (pow x 4))))
  (/ (- (* x x) (* y y)) (sqrt (+ (* (- (pow y 3)) y) (pow x 4))))
  (/ (+ x y) (/ (- (pow x 4) (pow y 4)) (- x y)))
  (/ (- (pow x 4) (pow y 4)) (- (pow (* x x) 3) (pow (* y y) 3)))
  1
  (* (* (+ (pow x 8) (+ (* (pow y 4) (pow x 4)) (pow (* y y) 4))) (+ x y)) (- x y))
  (* (* (- (+ (pow y 4) (pow x 4))) (+ x y)) (- x y))
  (exp (- (pow x 4) (pow y 4)))
  (log (- (pow x 4) (pow y 4)))
  (exp (- (pow x 4) (pow y 4)))
  (* (cbrt (+ (* (- (pow y 3)) y) (pow x 4))) (cbrt (+ (* (- (pow y 3)) y) (pow x 4))))
  (cbrt (+ (* (- (pow y 3)) y) (pow x 4)))
  (pow (- (pow x 4) (pow y 4)) 3)
  (sqrt (+ (* (- (pow y 3)) y) (pow x 4)))
  (sqrt (+ (* (- (pow y 3)) y) (pow x 4)))
  (+ (pow (* (- (pow y 3)) y) 3) (pow (pow x 4) 3))
  (+ (pow x 8) (+ (* (pow y 4) (pow x 4)) (pow (* y y) 4)))
  (+ (- (pow x 8)) (pow (* y y) 4))
  (- (+ (pow y 4) (pow x 4)))
  (- (pow y 4))
  (log (* (- (pow y 3)) y))
  (log (* (- (pow y 3)) y))
  (pow (exp -1) (pow y 4))
  (* -1 (pow (pow y 4) 3))
  (* (cbrt (* (- (pow y 3)) y)) (cbrt (* (- (pow y 3)) y)))
  (cbrt (* (- (pow y 3)) y))
  (* -1 (pow (pow y 4) 3))
  (sqrt (* (- (pow y 3)) y))
  (sqrt (* (- (pow y 3)) y))
  (* (sqrt (- (pow y 3))) (sqrt y))
  (* (sqrt (- (pow y 3))) (sqrt y))
  (pow y 4)
  (* (- (pow y 3)) (* (cbrt y) (cbrt y)))
  (* (- (pow y 3)) (sqrt y))
  (- (pow y 3))
  (* (cbrt (- (pow y 3))) y)
  (* (sqrt (- (pow y 3))) y)
  (- (pow y 4))
  (pow y 4)
  (* y y)
  (* (pow (sqrt y) 3) y)
  (pow y 4)
  (* y y)
  (* y y)
  (* y y)
  (* (pow (sqrt y) 3) y)
  (pow y 4)
  (pow y 3)
  (* (sqrt (pow y 3)) y)
  (pow y 4)
  (* (pow y (/ 3 2)) y)
  (- (* y y))
  (* (- (pow (sqrt y) 3)) y)
  (- (pow y 4))
  (- (* y y))
  (- (* y y))
  (- (* y y))
  (* (- (pow (sqrt y) 3)) y)
  (- (pow y 4))
  (- (pow y 3))
  (* (- (sqrt (pow y 3))) y)
  (- (pow y 4))
  (* (- (pow y (/ 3 2))) y)
  (exp (- (* x x) (* y y)))
  (log (- (* x x) (* y y)))
  (exp (- (* x x) (* y y)))
  (* (cbrt (- (* x x) (* y y))) (cbrt (- (* x x) (* y y))))
  (cbrt (- (* x x) (* y y)))
  (pow (- (* x x) (* y y)) 3)
  (sqrt (- (* x x) (* y y)))
  (sqrt (- (* x x) (* y y)))
  (- (pow (* x x) 3) (pow (* y y) 3))
  (+ (+ (pow x 4) (* (* x x) (* y y))) (pow y 4))
  (- (* y y))
  (- (pow x 4) (pow y 4))
  (+ (pow x 2) (pow y 2))
  (+ x y)
  (- x y)
  (- (* y y))
  (+ (pow x 2) (pow y 2))
  (+ (pow x 2) (pow y 2))
  (+ (pow x 2) (pow y 2))
  0
  (- (pow x 4) (pow y 4))
  (- (pow x 4) (pow y 4))
  (- (pow y 4))
  (- (pow y 4))
  (- (pow y 4))
  (- (* x x) (* y y))
  (- (* x x) (* y y))
  (- (* x x) (* y y))
0.528 * * * [progress]: adding candidates to table
0.850 * [progress]: [Phase 3 of 3] Extracting.
0.850 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (/ (+ (* (- (pow y 3)) y) (pow x 4)) (- (* x x) (* y y))))> #<alt (λ (x y) (+ (* x x) (* y y)))>)
0.850 * * * [regime-changes]: Trying 5 branch expressions: ((* y y) (* x x) (+ (* x x) (* y y)) y x)
0.850 * * * * [regimes]: Trying to branch on (* y y) from (#<alt (λ (x y) (/ (+ (* (- (pow y 3)) y) (pow x 4)) (- (* x x) (* y y))))> #<alt (λ (x y) (+ (* x x) (* y y)))>)
0.862 * * * * [regimes]: Trying to branch on (* x x) from (#<alt (λ (x y) (/ (+ (* (- (pow y 3)) y) (pow x 4)) (- (* x x) (* y y))))> #<alt (λ (x y) (+ (* x x) (* y y)))>)
0.876 * * * * [regimes]: Trying to branch on (+ (* x x) (* y y)) from (#<alt (λ (x y) (/ (+ (* (- (pow y 3)) y) (pow x 4)) (- (* x x) (* y y))))> #<alt (λ (x y) (+ (* x x) (* y y)))>)
0.889 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (/ (+ (* (- (pow y 3)) y) (pow x 4)) (- (* x x) (* y y))))> #<alt (λ (x y) (+ (* x x) (* y y)))>)
0.901 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (/ (+ (* (- (pow y 3)) y) (pow x 4)) (- (* x x) (* y y))))> #<alt (λ (x y) (+ (* x x) (* y y)))>)
0.916 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
0.916 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (* x x) (* y y))
0.917 * * [simplify]: iteration  0 :  6  enodes  (cost  3 )
0.917 * * [simplify]: iteration  1 :  6  enodes  (cost  3 )
0.918 * [simplify]: Simplified to:
   (+ (* x x) (* y y))
1.472 * [regime-testing]: Baseline error score: 0.005375671958994874
1.472 * [regime-testing]: Oracle error score: 0.004375546943367921
1.473 * [regime-testing]: End program error score: 0.005375671958994874