6.578 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.015 * * * [progress]: [2/2] Setting up program.
0.017 * [progress]: [Phase 2 of 3] Improving.
0.017 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (* x x) (* y y))
0.019 * * [simplify]: iteration  0 :  6  enodes  (cost  3 )
0.020 * * [simplify]: iteration  1 :  6  enodes  (cost  3 )
0.020 * [simplify]: Simplified to:
   (+ (* x x) (* y y))
0.020 * * [progress]: iteration 1 / 4
0.020 * * * [progress]: picking best candidate
0.022 * * * * [pick]: Picked  #<alt (λ (x y) (+ (* x x) (* y y)))>
0.022 * * * [progress]: localizing error
0.026 * * * [progress]: generating rewritten candidates
0.026 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.029 * * * [progress]: generating series expansions
0.029 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.029 * [approximate]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in (x y) around 0
0.029 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in y
0.029 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.029 * [taylor]: Taking taylor expansion of x in y
0.029 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.029 * [taylor]: Taking taylor expansion of y in y
0.029 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in x
0.029 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.029 * [taylor]: Taking taylor expansion of x in x
0.029 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.029 * [taylor]: Taking taylor expansion of y in x
0.029 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in x
0.029 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.029 * [taylor]: Taking taylor expansion of x in x
0.029 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.029 * [taylor]: Taking taylor expansion of y in x
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 0 in y
0.031 * [taylor]: Taking taylor expansion of 1 in y
0.032 * [taylor]: Taking taylor expansion of 0 in y
0.034 * [taylor]: Taking taylor expansion of 0 in y
0.034 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in (x y) around 0
0.034 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.034 * [taylor]: Taking taylor expansion of (/ 1 (pow x 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 (/ 1 (pow y 2)) 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 (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.035 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.035 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.035 * [taylor]: Taking taylor expansion of x in x
0.036 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.036 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.036 * [taylor]: Taking taylor expansion of y in x
0.036 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.036 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.036 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.036 * [taylor]: Taking taylor expansion of x in x
0.036 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.036 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.036 * [taylor]: Taking taylor expansion of y in x
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 (/ 1 (pow y 2)) in y
0.039 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.039 * [taylor]: Taking taylor expansion of y in y
0.041 * [taylor]: Taking taylor expansion of 0 in y
0.043 * [taylor]: Taking taylor expansion of 0 in y
0.045 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in (x y) around 0
0.045 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.045 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.045 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.045 * [taylor]: Taking taylor expansion of x 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
0.045 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.045 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.045 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.045 * [taylor]: Taking taylor expansion of x in x
0.046 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.046 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.046 * [taylor]: Taking taylor expansion of y in x
0.046 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.046 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.046 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.046 * [taylor]: Taking taylor expansion of x in x
0.047 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.047 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.047 * [taylor]: Taking taylor expansion of y in x
0.047 * [taylor]: Taking taylor expansion of 1 in y
0.048 * [taylor]: Taking taylor expansion of 0 in y
0.049 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.049 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.049 * [taylor]: Taking taylor expansion of y in y
0.051 * [taylor]: Taking taylor expansion of 0 in y
0.054 * [taylor]: Taking taylor expansion of 0 in y
0.055 * * * [progress]: simplifying candidates
0.055 * [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))
0.058 * * [simplify]: iteration  0 :  101  enodes  (cost  77 )
0.061 * * [simplify]: iteration  1 :  465  enodes  (cost  66 )
0.067 * * [simplify]: iteration  2 :  1240  enodes  (cost  66 )
0.095 * * [simplify]: iteration  3 :  5001  enodes  (cost  66 )
0.096 * [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))
0.096 * * * [progress]: adding candidates to table
0.123 * * [progress]: iteration 2 / 4
0.123 * * * [progress]: picking best candidate
0.125 * * * * [pick]: Picked  #<alt (λ (x y) (/ (+ (* (- (pow y 3)) y) (pow x 4)) (- (* x x) (* y y))))>
0.125 * * * [progress]: localizing error
0.137 * * * [progress]: generating rewritten candidates
0.137 * * * * [progress]: [ 1 / 3 ] rewriting at (2)
0.161 * * * * [progress]: [ 2 / 3 ] rewriting at (2 1)
0.168 * * * * [progress]: [ 3 / 3 ] rewriting at (2 1 1)
0.188 * * * [progress]: generating series expansions
0.188 * * * * [progress]: [ 1 / 3 ] generating series at (2)
0.188 * [approximate]: Taking taylor expansion of (/ (- (pow x 4) (pow y 4)) (- (pow x 2) (pow y 2))) in (y x) around 0
0.188 * [taylor]: Taking taylor expansion of (/ (- (pow x 4) (pow y 4)) (- (pow x 2) (pow y 2))) in x
0.188 * [taylor]: Taking taylor expansion of (- (pow x 4) (pow y 4)) in x
0.188 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.188 * [taylor]: Taking taylor expansion of x in x
0.188 * [taylor]: Taking taylor expansion of (pow y 4) in x
0.188 * [taylor]: Taking taylor expansion of y in x
0.188 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in x
0.188 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.188 * [taylor]: Taking taylor expansion of x in x
0.188 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.188 * [taylor]: Taking taylor expansion of y in x
0.189 * [taylor]: Taking taylor expansion of (/ (- (pow x 4) (pow y 4)) (- (pow x 2) (pow y 2))) in y
0.189 * [taylor]: Taking taylor expansion of (- (pow x 4) (pow y 4)) in y
0.189 * [taylor]: Taking taylor expansion of (pow x 4) in y
0.189 * [taylor]: Taking taylor expansion of x in y
0.189 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.189 * [taylor]: Taking taylor expansion of y in y
0.189 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in y
0.189 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.189 * [taylor]: Taking taylor expansion of x in y
0.189 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.189 * [taylor]: Taking taylor expansion of y in y
0.189 * [taylor]: Taking taylor expansion of (/ (- (pow x 4) (pow y 4)) (- (pow x 2) (pow y 2))) in y
0.189 * [taylor]: Taking taylor expansion of (- (pow x 4) (pow y 4)) in y
0.189 * [taylor]: Taking taylor expansion of (pow x 4) in y
0.189 * [taylor]: Taking taylor expansion of x in y
0.189 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.189 * [taylor]: Taking taylor expansion of y in y
0.189 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in y
0.189 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.189 * [taylor]: Taking taylor expansion of x in y
0.189 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.190 * [taylor]: Taking taylor expansion of y in y
0.190 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.190 * [taylor]: Taking taylor expansion of x in x
0.191 * [taylor]: Taking taylor expansion of 0 in x
0.193 * [taylor]: Taking taylor expansion of 1 in x
0.196 * [taylor]: Taking taylor expansion of 0 in x
0.201 * [taylor]: Taking taylor expansion of 0 in x
0.201 * [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
0.201 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.201 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in x
0.201 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.201 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.201 * [taylor]: Taking taylor expansion of x in x
0.202 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x
0.202 * [taylor]: Taking taylor expansion of (pow y 4) in x
0.202 * [taylor]: Taking taylor expansion of y in x
0.202 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.202 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.202 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.202 * [taylor]: Taking taylor expansion of x in x
0.203 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.203 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.203 * [taylor]: Taking taylor expansion of y in x
0.204 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in y
0.204 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in y
0.204 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in y
0.204 * [taylor]: Taking taylor expansion of (pow x 4) in y
0.204 * [taylor]: Taking taylor expansion of x in y
0.204 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
0.204 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.204 * [taylor]: Taking taylor expansion of y in y
0.205 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.205 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.205 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.205 * [taylor]: Taking taylor expansion of x in y
0.205 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.205 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.205 * [taylor]: Taking taylor expansion of y in y
0.206 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in y
0.206 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in y
0.206 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in y
0.206 * [taylor]: Taking taylor expansion of (pow x 4) in y
0.206 * [taylor]: Taking taylor expansion of x in y
0.207 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
0.207 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.207 * [taylor]: Taking taylor expansion of y in y
0.207 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.207 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.207 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.207 * [taylor]: Taking taylor expansion of x in y
0.208 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.208 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.208 * [taylor]: Taking taylor expansion of y in y
0.209 * [taylor]: Taking taylor expansion of 1 in x
0.212 * [taylor]: Taking taylor expansion of 0 in x
0.216 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.216 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.216 * [taylor]: Taking taylor expansion of x in x
0.221 * [taylor]: Taking taylor expansion of 0 in x
0.227 * [taylor]: Taking taylor expansion of 0 in x
0.229 * [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
0.229 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.229 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in x
0.229 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.229 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.229 * [taylor]: Taking taylor expansion of x in x
0.229 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x
0.229 * [taylor]: Taking taylor expansion of (pow y 4) in x
0.229 * [taylor]: Taking taylor expansion of y in x
0.230 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.230 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.230 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.230 * [taylor]: Taking taylor expansion of x in x
0.230 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.230 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.230 * [taylor]: Taking taylor expansion of y in x
0.231 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in y
0.231 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in y
0.231 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in y
0.231 * [taylor]: Taking taylor expansion of (pow x 4) in y
0.231 * [taylor]: Taking taylor expansion of x in y
0.231 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
0.231 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.231 * [taylor]: Taking taylor expansion of y in y
0.232 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.232 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.232 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.232 * [taylor]: Taking taylor expansion of x in y
0.232 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.232 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.232 * [taylor]: Taking taylor expansion of y in y
0.234 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in y
0.234 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in y
0.234 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in y
0.234 * [taylor]: Taking taylor expansion of (pow x 4) in y
0.234 * [taylor]: Taking taylor expansion of x in y
0.234 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
0.234 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.234 * [taylor]: Taking taylor expansion of y in y
0.235 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.235 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.235 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.235 * [taylor]: Taking taylor expansion of x in y
0.235 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.235 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.235 * [taylor]: Taking taylor expansion of y in y
0.236 * [taylor]: Taking taylor expansion of 1 in x
0.239 * [taylor]: Taking taylor expansion of 0 in x
0.243 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.243 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.243 * [taylor]: Taking taylor expansion of x in x
0.248 * [taylor]: Taking taylor expansion of 0 in x
0.254 * [taylor]: Taking taylor expansion of 0 in x
0.257 * * * * [progress]: [ 2 / 3 ] generating series at (2 1)
0.258 * [approximate]: Taking taylor expansion of (- (pow x 4) (pow y 4)) in (y x) around 0
0.258 * [taylor]: Taking taylor expansion of (- (pow x 4) (pow y 4)) in x
0.258 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.258 * [taylor]: Taking taylor expansion of x in x
0.258 * [taylor]: Taking taylor expansion of (pow y 4) in x
0.258 * [taylor]: Taking taylor expansion of y in x
0.258 * [taylor]: Taking taylor expansion of (- (pow x 4) (pow y 4)) in y
0.258 * [taylor]: Taking taylor expansion of (pow x 4) in y
0.258 * [taylor]: Taking taylor expansion of x in y
0.258 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.258 * [taylor]: Taking taylor expansion of y in y
0.258 * [taylor]: Taking taylor expansion of (- (pow x 4) (pow y 4)) in y
0.258 * [taylor]: Taking taylor expansion of (pow x 4) in y
0.258 * [taylor]: Taking taylor expansion of x in y
0.258 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.258 * [taylor]: Taking taylor expansion of y in y
0.258 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.258 * [taylor]: Taking taylor expansion of x in x
0.259 * [taylor]: Taking taylor expansion of 0 in x
0.260 * [taylor]: Taking taylor expansion of 0 in x
0.261 * [taylor]: Taking taylor expansion of 0 in x
0.261 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in (y x) around 0
0.261 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in x
0.261 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.261 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.261 * [taylor]: Taking taylor expansion of x in x
0.262 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x
0.262 * [taylor]: Taking taylor expansion of (pow y 4) in x
0.262 * [taylor]: Taking taylor expansion of y in x
0.262 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in y
0.262 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in y
0.262 * [taylor]: Taking taylor expansion of (pow x 4) in y
0.262 * [taylor]: Taking taylor expansion of x in y
0.262 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
0.262 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.262 * [taylor]: Taking taylor expansion of y in y
0.263 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in y
0.263 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in y
0.263 * [taylor]: Taking taylor expansion of (pow x 4) in y
0.263 * [taylor]: Taking taylor expansion of x in y
0.263 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
0.263 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.263 * [taylor]: Taking taylor expansion of y in y
0.264 * [taylor]: Taking taylor expansion of -1 in x
0.266 * [taylor]: Taking taylor expansion of 0 in x
0.268 * [taylor]: Taking taylor expansion of 0 in x
0.270 * [taylor]: Taking taylor expansion of 0 in x
0.272 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.272 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.272 * [taylor]: Taking taylor expansion of x in x
0.275 * [taylor]: Taking taylor expansion of 0 in x
0.280 * [taylor]: Taking taylor expansion of 0 in x
0.281 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in (y x) around 0
0.281 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in x
0.281 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.281 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.282 * [taylor]: Taking taylor expansion of x in x
0.282 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x
0.282 * [taylor]: Taking taylor expansion of (pow y 4) in x
0.282 * [taylor]: Taking taylor expansion of y in x
0.282 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in y
0.282 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in y
0.283 * [taylor]: Taking taylor expansion of (pow x 4) in y
0.283 * [taylor]: Taking taylor expansion of x in y
0.283 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
0.283 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.283 * [taylor]: Taking taylor expansion of y in y
0.283 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in y
0.283 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in y
0.283 * [taylor]: Taking taylor expansion of (pow x 4) in y
0.283 * [taylor]: Taking taylor expansion of x in y
0.284 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
0.284 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.284 * [taylor]: Taking taylor expansion of y in y
0.285 * [taylor]: Taking taylor expansion of -1 in x
0.286 * [taylor]: Taking taylor expansion of 0 in x
0.288 * [taylor]: Taking taylor expansion of 0 in x
0.290 * [taylor]: Taking taylor expansion of 0 in x
0.292 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.292 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.292 * [taylor]: Taking taylor expansion of x in x
0.295 * [taylor]: Taking taylor expansion of 0 in x
0.300 * [taylor]: Taking taylor expansion of 0 in x
0.301 * * * * [progress]: [ 3 / 3 ] generating series at (2 1 1)
0.301 * [approximate]: Taking taylor expansion of (* -1 (pow y 4)) in (y) around 0
0.301 * [taylor]: Taking taylor expansion of (* -1 (pow y 4)) in y
0.301 * [taylor]: Taking taylor expansion of -1 in y
0.301 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.301 * [taylor]: Taking taylor expansion of y in y
0.301 * [taylor]: Taking taylor expansion of (* -1 (pow y 4)) in y
0.301 * [taylor]: Taking taylor expansion of -1 in y
0.301 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.301 * [taylor]: Taking taylor expansion of y in y
0.312 * [approximate]: Taking taylor expansion of (/ -1 (pow y 4)) in (y) around 0
0.312 * [taylor]: Taking taylor expansion of (/ -1 (pow y 4)) in y
0.312 * [taylor]: Taking taylor expansion of -1 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 4)) in y
0.313 * [taylor]: Taking taylor expansion of -1 in y
0.313 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.313 * [taylor]: Taking taylor expansion of y in y
0.324 * [approximate]: Taking taylor expansion of (/ -1 (pow y 4)) in (y) around 0
0.324 * [taylor]: Taking taylor expansion of (/ -1 (pow y 4)) in y
0.324 * [taylor]: Taking taylor expansion of -1 in y
0.324 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.324 * [taylor]: Taking taylor expansion of y in y
0.324 * [taylor]: Taking taylor expansion of (/ -1 (pow y 4)) in y
0.324 * [taylor]: Taking taylor expansion of -1 in y
0.324 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.324 * [taylor]: Taking taylor expansion of y in y
0.337 * * * [progress]: simplifying candidates
0.339 * [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)
  (+ (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))
0.345 * * [simplify]: iteration  0 :  365  enodes  (cost  762 )
0.353 * * [simplify]: iteration  1 :  2146  enodes  (cost  656 )
0.409 * * [simplify]: iteration  2 :  5003  enodes  (cost  647 )
0.412 * [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 5/2)
  (- (* 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 5/2))
  (+ (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))
0.412 * * * [progress]: adding candidates to table
0.636 * [progress]: [Phase 3 of 3] Extracting.
0.637 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (+ (* x x) (* y y)))> #<alt (λ (x y) (/ (+ (* (- (pow y 3)) y) (pow x 4)) (- (* x x) (* y y))))>)
0.637 * * * [regime-changes]: Trying 5 branch expressions: ((* y y) (* x x) (+ (* x x) (* y y)) y x)
0.637 * * * * [regimes]: Trying to branch on (* y y) from (#<alt (λ (x y) (+ (* x x) (* y y)))> #<alt (λ (x y) (/ (+ (* (- (pow y 3)) y) (pow x 4)) (- (* x x) (* y y))))>)
0.647 * * * * [regimes]: Trying to branch on (* x x) from (#<alt (λ (x y) (+ (* x x) (* y y)))> #<alt (λ (x y) (/ (+ (* (- (pow y 3)) y) (pow x 4)) (- (* x x) (* y y))))>)
0.657 * * * * [regimes]: Trying to branch on (+ (* x x) (* y y)) from (#<alt (λ (x y) (+ (* x x) (* y y)))> #<alt (λ (x y) (/ (+ (* (- (pow y 3)) y) (pow x 4)) (- (* x x) (* y y))))>)
0.670 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (+ (* x x) (* y y)))> #<alt (λ (x y) (/ (+ (* (- (pow y 3)) y) (pow x 4)) (- (* x x) (* y y))))>)
0.680 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (+ (* x x) (* y y)))> #<alt (λ (x y) (/ (+ (* (- (pow y 3)) y) (pow x 4)) (- (* x x) (* y y))))>)
0.691 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
0.691 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (* x x) (* y y))
0.692 * * [simplify]: iteration  0 :  6  enodes  (cost  3 )
0.692 * * [simplify]: iteration  1 :  6  enodes  (cost  3 )
0.692 * [simplify]: Simplified to:
   (+ (* x x) (* y y))
1.213 * [regime-testing]: Baseline error score: 0.005500687585948244
1.214 * [regime-testing]: Oracle error score: 0.0038754844355544443
1.214 * [regime-testing]: End program error score: 0.005500687585948244