7.339 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.044 * * * [progress]: [2/2] Setting up program.
0.046 * [progress]: [Phase 2 of 3] Improving.
0.046 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (pow x 4.0) (pow y 4.0))
0.049 * * [simplify]: iteration  0 :  14  enodes  (cost  3 )
0.050 * * [simplify]: iteration  1 :  30  enodes  (cost  3 )
0.051 * * [simplify]: iteration  2 :  73  enodes  (cost  3 )
0.053 * * [simplify]: iteration  3 :  217  enodes  (cost  3 )
0.058 * * [simplify]: iteration  4 :  819  enodes  (cost  3 )
0.076 * * [simplify]: iteration  5 :  4243  enodes  (cost  3 )
0.200 * * [simplify]: iteration  6 :  5001  enodes  (cost  3 )
0.200 * [simplify]: Simplified to:
   (- (pow x 4.0) (pow y 4.0))
0.201 * * [progress]: iteration 1 / 4
0.201 * * * [progress]: picking best candidate
0.202 * * * * [pick]: Picked  #<alt (λ (x y) (- (pow x 4.0) (pow y 4.0)))>
0.203 * * * [progress]: localizing error
0.208 * * * [progress]: generating rewritten candidates
0.208 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.221 * * * [progress]: generating series expansions
0.221 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.221 * [approximate]: Taking taylor expansion of (- (pow x 4) (pow y 4)) in (x y) around 0
0.221 * [taylor]: Taking taylor expansion of (- (pow x 4) (pow y 4)) in y
0.221 * [taylor]: Taking taylor expansion of (pow x 4) in y
0.221 * [taylor]: Taking taylor expansion of x in y
0.221 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.221 * [taylor]: Taking taylor expansion of y in y
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 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
0.222 * [taylor]: Taking taylor expansion of (- (pow y 4)) in y
0.222 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.222 * [taylor]: Taking taylor expansion of y in y
0.223 * [taylor]: Taking taylor expansion of 0 in y
0.224 * [taylor]: Taking taylor expansion of 0 in y
0.225 * [taylor]: Taking taylor expansion of 0 in y
0.226 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in (x y) around 0
0.226 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in y
0.226 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in y
0.226 * [taylor]: Taking taylor expansion of (pow x 4) in y
0.226 * [taylor]: Taking taylor expansion of x in y
0.226 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
0.226 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.226 * [taylor]: Taking taylor expansion of y in y
0.227 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in x
0.227 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.227 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.227 * [taylor]: Taking taylor expansion of x in x
0.227 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x
0.227 * [taylor]: Taking taylor expansion of (pow y 4) in x
0.227 * [taylor]: Taking taylor expansion of y in x
0.228 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in x
0.228 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.228 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.228 * [taylor]: Taking taylor expansion of x in x
0.228 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x
0.228 * [taylor]: Taking taylor expansion of (pow y 4) in x
0.228 * [taylor]: Taking taylor expansion of y in x
0.229 * [taylor]: Taking taylor expansion of 1 in y
0.230 * [taylor]: Taking taylor expansion of 0 in y
0.232 * [taylor]: Taking taylor expansion of 0 in y
0.234 * [taylor]: Taking taylor expansion of 0 in y
0.235 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 4))) in y
0.235 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
0.235 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.235 * [taylor]: Taking taylor expansion of y in y
0.244 * [taylor]: Taking taylor expansion of 0 in y
0.249 * [taylor]: Taking taylor expansion of 0 in y
0.251 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in (x y) around 0
0.251 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in y
0.251 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in y
0.251 * [taylor]: Taking taylor expansion of (pow x 4) in y
0.251 * [taylor]: Taking taylor expansion of x in y
0.251 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
0.251 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.251 * [taylor]: Taking taylor expansion of y in y
0.252 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in x
0.252 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.252 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.252 * [taylor]: Taking taylor expansion of x in x
0.253 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x
0.253 * [taylor]: Taking taylor expansion of (pow y 4) in x
0.253 * [taylor]: Taking taylor expansion of y in x
0.253 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in x
0.253 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.253 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.253 * [taylor]: Taking taylor expansion of x in x
0.254 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x
0.254 * [taylor]: Taking taylor expansion of (pow y 4) in x
0.254 * [taylor]: Taking taylor expansion of y in x
0.254 * [taylor]: Taking taylor expansion of 1 in y
0.256 * [taylor]: Taking taylor expansion of 0 in y
0.257 * [taylor]: Taking taylor expansion of 0 in y
0.259 * [taylor]: Taking taylor expansion of 0 in y
0.261 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 4))) in y
0.261 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
0.261 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.261 * [taylor]: Taking taylor expansion of y in y
0.264 * [taylor]: Taking taylor expansion of 0 in y
0.269 * [taylor]: Taking taylor expansion of 0 in y
0.271 * * * [progress]: simplifying candidates
0.273 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (fma (pow (* (cbrt x) (cbrt x)) 4.0) (pow (cbrt x) 4.0) (- (* (pow (cbrt y) 4.0) (pow (* (cbrt y) (cbrt y)) 4.0))))
  (fma (- (pow (cbrt y) 4.0)) (pow (* (cbrt y) (cbrt y)) 4.0) (* (pow (cbrt y) 4.0) (pow (* (cbrt y) (cbrt y)) 4.0)))
  (fma (pow (* (cbrt x) (cbrt x)) 4.0) (pow (cbrt x) 4.0) (- (* (pow (sqrt y) 4.0) (pow (sqrt y) 4.0))))
  (fma (- (pow (sqrt y) 4.0)) (pow (sqrt y) 4.0) (* (pow (sqrt y) 4.0) (pow (sqrt y) 4.0)))
  (fma (pow (* (cbrt x) (cbrt x)) 4.0) (pow (cbrt x) 4.0) (- (* (pow y 4.0) (pow 1 4.0))))
  (fma (- (pow y 4.0)) (pow 1 4.0) (* (pow y 4.0) (pow 1 4.0)))
  (fma (pow (* (cbrt x) (cbrt x)) 4.0) (pow (cbrt x) 4.0) (- (* (cbrt (pow y 4.0)) (* (cbrt (pow y 4.0)) (cbrt (pow y 4.0))))))
  (fma (- (cbrt (pow y 4.0))) (* (cbrt (pow y 4.0)) (cbrt (pow y 4.0))) (* (cbrt (pow y 4.0)) (* (cbrt (pow y 4.0)) (cbrt (pow y 4.0)))))
  (fma (pow (* (cbrt x) (cbrt x)) 4.0) (pow (cbrt x) 4.0) (- (* (sqrt (pow y 4.0)) (sqrt (pow y 4.0)))))
  (fma (- (sqrt (pow y 4.0))) (sqrt (pow y 4.0)) (* (sqrt (pow y 4.0)) (sqrt (pow y 4.0))))
  (fma (pow (* (cbrt x) (cbrt x)) 4.0) (pow (cbrt x) 4.0) (- (* (pow y 4.0) 1)))
  (fma (- (pow y 4.0)) 1 (* (pow y 4.0) 1))
  (fma (pow (* (cbrt x) (cbrt x)) 4.0) (pow (cbrt x) 4.0) (- (* (pow y (/ 4.0 2)) (pow y (/ 4.0 2)))))
  (fma (- (pow y (/ 4.0 2))) (pow y (/ 4.0 2)) (* (pow y (/ 4.0 2)) (pow y (/ 4.0 2))))
  (fma (pow (sqrt x) 4.0) (pow (sqrt x) 4.0) (- (* (pow (cbrt y) 4.0) (pow (* (cbrt y) (cbrt y)) 4.0))))
  (fma (- (pow (cbrt y) 4.0)) (pow (* (cbrt y) (cbrt y)) 4.0) (* (pow (cbrt y) 4.0) (pow (* (cbrt y) (cbrt y)) 4.0)))
  (fma (pow (sqrt x) 4.0) (pow (sqrt x) 4.0) (- (* (pow (sqrt y) 4.0) (pow (sqrt y) 4.0))))
  (fma (- (pow (sqrt y) 4.0)) (pow (sqrt y) 4.0) (* (pow (sqrt y) 4.0) (pow (sqrt y) 4.0)))
  (fma (pow (sqrt x) 4.0) (pow (sqrt x) 4.0) (- (* (pow y 4.0) (pow 1 4.0))))
  (fma (- (pow y 4.0)) (pow 1 4.0) (* (pow y 4.0) (pow 1 4.0)))
  (fma (pow (sqrt x) 4.0) (pow (sqrt x) 4.0) (- (* (cbrt (pow y 4.0)) (* (cbrt (pow y 4.0)) (cbrt (pow y 4.0))))))
  (fma (- (cbrt (pow y 4.0))) (* (cbrt (pow y 4.0)) (cbrt (pow y 4.0))) (* (cbrt (pow y 4.0)) (* (cbrt (pow y 4.0)) (cbrt (pow y 4.0)))))
  (fma (pow (sqrt x) 4.0) (pow (sqrt x) 4.0) (- (* (sqrt (pow y 4.0)) (sqrt (pow y 4.0)))))
  (fma (- (sqrt (pow y 4.0))) (sqrt (pow y 4.0)) (* (sqrt (pow y 4.0)) (sqrt (pow y 4.0))))
  (fma (pow (sqrt x) 4.0) (pow (sqrt x) 4.0) (- (* (pow y 4.0) 1)))
  (fma (- (pow y 4.0)) 1 (* (pow y 4.0) 1))
  (fma (pow (sqrt x) 4.0) (pow (sqrt x) 4.0) (- (* (pow y (/ 4.0 2)) (pow y (/ 4.0 2)))))
  (fma (- (pow y (/ 4.0 2))) (pow y (/ 4.0 2)) (* (pow y (/ 4.0 2)) (pow y (/ 4.0 2))))
  (fma (pow 1 4.0) (pow x 4.0) (- (* (pow (cbrt y) 4.0) (pow (* (cbrt y) (cbrt y)) 4.0))))
  (fma (- (pow (cbrt y) 4.0)) (pow (* (cbrt y) (cbrt y)) 4.0) (* (pow (cbrt y) 4.0) (pow (* (cbrt y) (cbrt y)) 4.0)))
  (fma (pow 1 4.0) (pow x 4.0) (- (* (pow (sqrt y) 4.0) (pow (sqrt y) 4.0))))
  (fma (- (pow (sqrt y) 4.0)) (pow (sqrt y) 4.0) (* (pow (sqrt y) 4.0) (pow (sqrt y) 4.0)))
  (fma (pow 1 4.0) (pow x 4.0) (- (* (pow y 4.0) (pow 1 4.0))))
  (fma (- (pow y 4.0)) (pow 1 4.0) (* (pow y 4.0) (pow 1 4.0)))
  (fma (pow 1 4.0) (pow x 4.0) (- (* (cbrt (pow y 4.0)) (* (cbrt (pow y 4.0)) (cbrt (pow y 4.0))))))
  (fma (- (cbrt (pow y 4.0))) (* (cbrt (pow y 4.0)) (cbrt (pow y 4.0))) (* (cbrt (pow y 4.0)) (* (cbrt (pow y 4.0)) (cbrt (pow y 4.0)))))
  (fma (pow 1 4.0) (pow x 4.0) (- (* (sqrt (pow y 4.0)) (sqrt (pow y 4.0)))))
  (fma (- (sqrt (pow y 4.0))) (sqrt (pow y 4.0)) (* (sqrt (pow y 4.0)) (sqrt (pow y 4.0))))
  (fma (pow 1 4.0) (pow x 4.0) (- (* (pow y 4.0) 1)))
  (fma (- (pow y 4.0)) 1 (* (pow y 4.0) 1))
  (fma (pow 1 4.0) (pow x 4.0) (- (* (pow y (/ 4.0 2)) (pow y (/ 4.0 2)))))
  (fma (- (pow y (/ 4.0 2))) (pow y (/ 4.0 2)) (* (pow y (/ 4.0 2)) (pow y (/ 4.0 2))))
  (fma (* (cbrt (pow x 4.0)) (cbrt (pow x 4.0))) (cbrt (pow x 4.0)) (- (* (pow (cbrt y) 4.0) (pow (* (cbrt y) (cbrt y)) 4.0))))
  (fma (- (pow (cbrt y) 4.0)) (pow (* (cbrt y) (cbrt y)) 4.0) (* (pow (cbrt y) 4.0) (pow (* (cbrt y) (cbrt y)) 4.0)))
  (fma (* (cbrt (pow x 4.0)) (cbrt (pow x 4.0))) (cbrt (pow x 4.0)) (- (* (pow (sqrt y) 4.0) (pow (sqrt y) 4.0))))
  (fma (- (pow (sqrt y) 4.0)) (pow (sqrt y) 4.0) (* (pow (sqrt y) 4.0) (pow (sqrt y) 4.0)))
  (fma (* (cbrt (pow x 4.0)) (cbrt (pow x 4.0))) (cbrt (pow x 4.0)) (- (* (pow y 4.0) (pow 1 4.0))))
  (fma (- (pow y 4.0)) (pow 1 4.0) (* (pow y 4.0) (pow 1 4.0)))
  (fma (* (cbrt (pow x 4.0)) (cbrt (pow x 4.0))) (cbrt (pow x 4.0)) (- (* (cbrt (pow y 4.0)) (* (cbrt (pow y 4.0)) (cbrt (pow y 4.0))))))
  (fma (- (cbrt (pow y 4.0))) (* (cbrt (pow y 4.0)) (cbrt (pow y 4.0))) (* (cbrt (pow y 4.0)) (* (cbrt (pow y 4.0)) (cbrt (pow y 4.0)))))
  (fma (* (cbrt (pow x 4.0)) (cbrt (pow x 4.0))) (cbrt (pow x 4.0)) (- (* (sqrt (pow y 4.0)) (sqrt (pow y 4.0)))))
  (fma (- (sqrt (pow y 4.0))) (sqrt (pow y 4.0)) (* (sqrt (pow y 4.0)) (sqrt (pow y 4.0))))
  (fma (* (cbrt (pow x 4.0)) (cbrt (pow x 4.0))) (cbrt (pow x 4.0)) (- (* (pow y 4.0) 1)))
  (fma (- (pow y 4.0)) 1 (* (pow y 4.0) 1))
  (fma (* (cbrt (pow x 4.0)) (cbrt (pow x 4.0))) (cbrt (pow x 4.0)) (- (* (pow y (/ 4.0 2)) (pow y (/ 4.0 2)))))
  (fma (- (pow y (/ 4.0 2))) (pow y (/ 4.0 2)) (* (pow y (/ 4.0 2)) (pow y (/ 4.0 2))))
  (fma (sqrt (pow x 4.0)) (sqrt (pow x 4.0)) (- (* (pow (cbrt y) 4.0) (pow (* (cbrt y) (cbrt y)) 4.0))))
  (fma (- (pow (cbrt y) 4.0)) (pow (* (cbrt y) (cbrt y)) 4.0) (* (pow (cbrt y) 4.0) (pow (* (cbrt y) (cbrt y)) 4.0)))
  (fma (sqrt (pow x 4.0)) (sqrt (pow x 4.0)) (- (* (pow (sqrt y) 4.0) (pow (sqrt y) 4.0))))
  (fma (- (pow (sqrt y) 4.0)) (pow (sqrt y) 4.0) (* (pow (sqrt y) 4.0) (pow (sqrt y) 4.0)))
  (fma (sqrt (pow x 4.0)) (sqrt (pow x 4.0)) (- (* (pow y 4.0) (pow 1 4.0))))
  (fma (- (pow y 4.0)) (pow 1 4.0) (* (pow y 4.0) (pow 1 4.0)))
  (fma (sqrt (pow x 4.0)) (sqrt (pow x 4.0)) (- (* (cbrt (pow y 4.0)) (* (cbrt (pow y 4.0)) (cbrt (pow y 4.0))))))
  (fma (- (cbrt (pow y 4.0))) (* (cbrt (pow y 4.0)) (cbrt (pow y 4.0))) (* (cbrt (pow y 4.0)) (* (cbrt (pow y 4.0)) (cbrt (pow y 4.0)))))
  (fma (sqrt (pow x 4.0)) (sqrt (pow x 4.0)) (- (* (sqrt (pow y 4.0)) (sqrt (pow y 4.0)))))
  (fma (- (sqrt (pow y 4.0))) (sqrt (pow y 4.0)) (* (sqrt (pow y 4.0)) (sqrt (pow y 4.0))))
  (fma (sqrt (pow x 4.0)) (sqrt (pow x 4.0)) (- (* (pow y 4.0) 1)))
  (fma (- (pow y 4.0)) 1 (* (pow y 4.0) 1))
  (fma (sqrt (pow x 4.0)) (sqrt (pow x 4.0)) (- (* (pow y (/ 4.0 2)) (pow y (/ 4.0 2)))))
  (fma (- (pow y (/ 4.0 2))) (pow y (/ 4.0 2)) (* (pow y (/ 4.0 2)) (pow y (/ 4.0 2))))
  (fma 1 (pow x 4.0) (- (* (pow (cbrt y) 4.0) (pow (* (cbrt y) (cbrt y)) 4.0))))
  (fma (- (pow (cbrt y) 4.0)) (pow (* (cbrt y) (cbrt y)) 4.0) (* (pow (cbrt y) 4.0) (pow (* (cbrt y) (cbrt y)) 4.0)))
  (fma 1 (pow x 4.0) (- (* (pow (sqrt y) 4.0) (pow (sqrt y) 4.0))))
  (fma (- (pow (sqrt y) 4.0)) (pow (sqrt y) 4.0) (* (pow (sqrt y) 4.0) (pow (sqrt y) 4.0)))
  (fma 1 (pow x 4.0) (- (* (pow y 4.0) (pow 1 4.0))))
  (fma (- (pow y 4.0)) (pow 1 4.0) (* (pow y 4.0) (pow 1 4.0)))
  (fma 1 (pow x 4.0) (- (* (cbrt (pow y 4.0)) (* (cbrt (pow y 4.0)) (cbrt (pow y 4.0))))))
  (fma (- (cbrt (pow y 4.0))) (* (cbrt (pow y 4.0)) (cbrt (pow y 4.0))) (* (cbrt (pow y 4.0)) (* (cbrt (pow y 4.0)) (cbrt (pow y 4.0)))))
  (fma 1 (pow x 4.0) (- (* (sqrt (pow y 4.0)) (sqrt (pow y 4.0)))))
  (fma (- (sqrt (pow y 4.0))) (sqrt (pow y 4.0)) (* (sqrt (pow y 4.0)) (sqrt (pow y 4.0))))
  (fma 1 (pow x 4.0) (- (* (pow y 4.0) 1)))
  (fma (- (pow y 4.0)) 1 (* (pow y 4.0) 1))
  (fma 1 (pow x 4.0) (- (* (pow y (/ 4.0 2)) (pow y (/ 4.0 2)))))
  (fma (- (pow y (/ 4.0 2))) (pow y (/ 4.0 2)) (* (pow y (/ 4.0 2)) (pow y (/ 4.0 2))))
  (fma (pow x (/ 4.0 2)) (pow x (/ 4.0 2)) (- (* (pow (cbrt y) 4.0) (pow (* (cbrt y) (cbrt y)) 4.0))))
  (fma (- (pow (cbrt y) 4.0)) (pow (* (cbrt y) (cbrt y)) 4.0) (* (pow (cbrt y) 4.0) (pow (* (cbrt y) (cbrt y)) 4.0)))
  (fma (pow x (/ 4.0 2)) (pow x (/ 4.0 2)) (- (* (pow (sqrt y) 4.0) (pow (sqrt y) 4.0))))
  (fma (- (pow (sqrt y) 4.0)) (pow (sqrt y) 4.0) (* (pow (sqrt y) 4.0) (pow (sqrt y) 4.0)))
  (fma (pow x (/ 4.0 2)) (pow x (/ 4.0 2)) (- (* (pow y 4.0) (pow 1 4.0))))
  (fma (- (pow y 4.0)) (pow 1 4.0) (* (pow y 4.0) (pow 1 4.0)))
  (fma (pow x (/ 4.0 2)) (pow x (/ 4.0 2)) (- (* (cbrt (pow y 4.0)) (* (cbrt (pow y 4.0)) (cbrt (pow y 4.0))))))
  (fma (- (cbrt (pow y 4.0))) (* (cbrt (pow y 4.0)) (cbrt (pow y 4.0))) (* (cbrt (pow y 4.0)) (* (cbrt (pow y 4.0)) (cbrt (pow y 4.0)))))
  (fma (pow x (/ 4.0 2)) (pow x (/ 4.0 2)) (- (* (sqrt (pow y 4.0)) (sqrt (pow y 4.0)))))
  (fma (- (sqrt (pow y 4.0))) (sqrt (pow y 4.0)) (* (sqrt (pow y 4.0)) (sqrt (pow y 4.0))))
  (fma (pow x (/ 4.0 2)) (pow x (/ 4.0 2)) (- (* (pow y 4.0) 1)))
  (fma (- (pow y 4.0)) 1 (* (pow y 4.0) 1))
  (fma (pow x (/ 4.0 2)) (pow x (/ 4.0 2)) (- (* (pow y (/ 4.0 2)) (pow y (/ 4.0 2)))))
  (fma (- (pow y (/ 4.0 2))) (pow y (/ 4.0 2)) (* (pow y (/ 4.0 2)) (pow y (/ 4.0 2))))
  (expm1 (- (pow x 4.0) (pow y 4.0)))
  (log1p (- (pow x 4.0) (pow y 4.0)))
  (- (pow y 4.0))
  (- (pow y 4.0))
  (- (pow y 4.0))
  (- (pow y 4.0))
  (- (pow y 4.0))
  (- (pow y 4.0))
  (- (pow y 4.0))
  (/ (exp (pow x 4.0)) (exp (pow y 4.0)))
  (log (- (pow x 4.0) (pow y 4.0)))
  (exp (- (pow x 4.0) (pow y 4.0)))
  (* (cbrt (- (pow x 4.0) (pow y 4.0))) (cbrt (- (pow x 4.0) (pow y 4.0))))
  (cbrt (- (pow x 4.0) (pow y 4.0)))
  (* (* (- (pow x 4.0) (pow y 4.0)) (- (pow x 4.0) (pow y 4.0))) (- (pow x 4.0) (pow y 4.0)))
  (sqrt (- (pow x 4.0) (pow y 4.0)))
  (sqrt (- (pow x 4.0) (pow y 4.0)))
  (- (pow (pow x 4.0) 3) (pow (pow y 4.0) 3))
  (+ (* (pow x 4.0) (pow x 4.0)) (+ (* (pow y 4.0) (pow y 4.0)) (* (pow x 4.0) (pow y 4.0))))
  (- (pow y 4.0))
  (- (* (pow x 4.0) (pow x 4.0)) (* (pow y 4.0) (pow y 4.0)))
  (+ (pow x 4.0) (pow y 4.0))
  (+ (pow (sqrt x) 4.0) (pow (sqrt y) 4.0))
  (- (pow (sqrt x) 4.0) (pow (sqrt y) 4.0))
  (+ (pow (sqrt x) 4.0) (sqrt (pow y 4.0)))
  (- (pow (sqrt x) 4.0) (sqrt (pow y 4.0)))
  (+ (pow (sqrt x) 4.0) (pow y (/ 4.0 2)))
  (- (pow (sqrt x) 4.0) (pow y (/ 4.0 2)))
  (+ (sqrt (pow x 4.0)) (pow (sqrt y) 4.0))
  (- (sqrt (pow x 4.0)) (pow (sqrt y) 4.0))
  (+ (sqrt (pow x 4.0)) (sqrt (pow y 4.0)))
  (- (sqrt (pow x 4.0)) (sqrt (pow y 4.0)))
  (+ (sqrt (pow x 4.0)) (pow y (/ 4.0 2)))
  (- (sqrt (pow x 4.0)) (pow y (/ 4.0 2)))
  (+ (pow x (/ 4.0 2)) (pow (sqrt y) 4.0))
  (- (pow x (/ 4.0 2)) (pow (sqrt y) 4.0))
  (+ (pow x (/ 4.0 2)) (sqrt (pow y 4.0)))
  (- (pow x (/ 4.0 2)) (sqrt (pow y 4.0)))
  (+ (pow x (/ 4.0 2)) (pow y (/ 4.0 2)))
  (- (pow x (/ 4.0 2)) (pow y (/ 4.0 2)))
  (- (pow x 4.0) (pow y 4.0))
  (- (pow x 4.0) (pow y 4.0))
  (- (pow y 4.0))
  0
  (- (pow x 4) (pow y 4))
  (- (pow x 4) (pow y 4))
0.279 * * [simplify]: iteration  0 :  315  enodes  (cost  1099 )
0.284 * * [simplify]: iteration  1 :  873  enodes  (cost  775 )
0.304 * * [simplify]: iteration  2 :  4757  enodes  (cost  725 )
0.406 * * [simplify]: iteration  3 :  5001  enodes  (cost  720 )
0.410 * [simplify]: Simplified to:
   (fma (pow (* (cbrt x) (cbrt x)) 4.0) (pow (cbrt x) 4.0) (- (* (pow (cbrt y) 4.0) (pow (* (cbrt y) (cbrt y)) 4.0))))
  (* (pow (* (cbrt y) (cbrt y)) 4.0) (+ (- (pow (cbrt y) 4.0)) (pow (cbrt y) 4.0)))
  (- (* (pow (* (cbrt x) (cbrt x)) 4.0) (pow (cbrt x) 4.0)) (pow (sqrt y) (* 2 4.0)))
  (- (pow (sqrt y) (* 2 4.0)) (pow (sqrt y) (* 2 4.0)))
  (- (* (pow (* (cbrt x) (cbrt x)) 4.0) (pow (cbrt x) 4.0)) (pow y 4.0))
  (- (pow y 4.0) (pow y 4.0))
  (- (* (pow (* (cbrt x) (cbrt x)) 4.0) (pow (cbrt x) 4.0)) (pow y 4.0))
  (- (pow y 4.0) (pow y 4.0))
  (- (* (pow (* (cbrt x) (cbrt x)) 4.0) (pow (cbrt x) 4.0)) (pow y 4.0))
  (- (pow y 4.0) (pow y 4.0))
  (- (* (pow (* (cbrt x) (cbrt x)) 4.0) (pow (cbrt x) 4.0)) (pow y 4.0))
  (- (pow y 4.0) (pow y 4.0))
  (- (* (pow (* (cbrt x) (cbrt x)) 4.0) (pow (cbrt x) 4.0)) (pow y 4.0))
  (- (pow y 4.0) (pow y 4.0))
  (- (pow (sqrt x) (* 2 4.0)) (* (pow (cbrt y) 4.0) (pow (* (cbrt y) (cbrt y)) 4.0)))
  (* (pow (* (cbrt y) (cbrt y)) 4.0) (+ (- (pow (cbrt y) 4.0)) (pow (cbrt y) 4.0)))
  (- (pow (sqrt x) (* 2 4.0)) (pow (sqrt y) (* 2 4.0)))
  (- (pow (sqrt y) (* 2 4.0)) (pow (sqrt y) (* 2 4.0)))
  (- (pow (sqrt x) (* 2 4.0)) (pow y 4.0))
  (- (pow y 4.0) (pow y 4.0))
  (- (pow (sqrt x) (* 2 4.0)) (pow y 4.0))
  (- (pow y 4.0) (pow y 4.0))
  (- (pow (sqrt x) (* 2 4.0)) (pow y 4.0))
  (- (pow y 4.0) (pow y 4.0))
  (- (pow (sqrt x) (* 2 4.0)) (pow y 4.0))
  (- (pow y 4.0) (pow y 4.0))
  (- (pow (sqrt x) (* 2 4.0)) (pow y 4.0))
  (- (pow y 4.0) (pow y 4.0))
  (- (pow x 4.0) (* (pow (cbrt y) 4.0) (pow (* (cbrt y) (cbrt y)) 4.0)))
  (* (pow (* (cbrt y) (cbrt y)) 4.0) (+ (- (pow (cbrt y) 4.0)) (pow (cbrt y) 4.0)))
  (- (pow x 4.0) (pow (sqrt y) (* 2 4.0)))
  (- (pow (sqrt y) (* 2 4.0)) (pow (sqrt y) (* 2 4.0)))
  (- (pow x 4.0) (pow y 4.0))
  (- (pow y 4.0) (pow y 4.0))
  (- (pow x 4.0) (pow y 4.0))
  (- (pow y 4.0) (pow y 4.0))
  (- (pow x 4.0) (pow y 4.0))
  (- (pow y 4.0) (pow y 4.0))
  (- (pow x 4.0) (pow y 4.0))
  (- (pow y 4.0) (pow y 4.0))
  (- (pow x 4.0) (pow y 4.0))
  (- (pow y 4.0) (pow y 4.0))
  (fma (* (cbrt (pow x 4.0)) (cbrt (pow x 4.0))) (cbrt (pow x 4.0)) (- (* (pow (cbrt y) 4.0) (pow (* (cbrt y) (cbrt y)) 4.0))))
  (* (pow (* (cbrt y) (cbrt y)) 4.0) (+ (- (pow (cbrt y) 4.0)) (pow (cbrt y) 4.0)))
  (- (* (* (cbrt (pow x 4.0)) (cbrt (pow x 4.0))) (cbrt (pow x 4.0))) (pow (sqrt y) (* 2 4.0)))
  (- (pow (sqrt y) (* 2 4.0)) (pow (sqrt y) (* 2 4.0)))
  (fma (- (sqrt (pow y 4.0))) (sqrt (pow y 4.0)) (pow (cbrt (pow x 4.0)) 3))
  (- (pow y 4.0) (pow y 4.0))
  (fma (- (sqrt (pow y 4.0))) (sqrt (pow y 4.0)) (pow (cbrt (pow x 4.0)) 3))
  (- (pow y 4.0) (pow y 4.0))
  (fma (- (sqrt (pow y 4.0))) (sqrt (pow y 4.0)) (pow (cbrt (pow x 4.0)) 3))
  (- (pow y 4.0) (pow y 4.0))
  (fma (- (sqrt (pow y 4.0))) (sqrt (pow y 4.0)) (pow (cbrt (pow x 4.0)) 3))
  (- (pow y 4.0) (pow y 4.0))
  (fma (- (sqrt (pow y 4.0))) (sqrt (pow y 4.0)) (pow (cbrt (pow x 4.0)) 3))
  (- (pow y 4.0) (pow y 4.0))
  (- (pow x 4.0) (* (pow (cbrt y) 4.0) (pow (* (cbrt y) (cbrt y)) 4.0)))
  (* (pow (* (cbrt y) (cbrt y)) 4.0) (+ (- (pow (cbrt y) 4.0)) (pow (cbrt y) 4.0)))
  (- (pow x 4.0) (pow (sqrt y) (* 2 4.0)))
  (- (pow (sqrt y) (* 2 4.0)) (pow (sqrt y) (* 2 4.0)))
  (- (pow x 4.0) (pow y 4.0))
  (- (pow y 4.0) (pow y 4.0))
  (- (pow x 4.0) (pow y 4.0))
  (- (pow y 4.0) (pow y 4.0))
  (- (pow x 4.0) (pow y 4.0))
  (- (pow y 4.0) (pow y 4.0))
  (- (pow x 4.0) (pow y 4.0))
  (- (pow y 4.0) (pow y 4.0))
  (- (pow x 4.0) (pow y 4.0))
  (- (pow y 4.0) (pow y 4.0))
  (- (pow x 4.0) (* (pow (cbrt y) 4.0) (pow (* (cbrt y) (cbrt y)) 4.0)))
  (* (pow (* (cbrt y) (cbrt y)) 4.0) (+ (- (pow (cbrt y) 4.0)) (pow (cbrt y) 4.0)))
  (- (pow x 4.0) (pow (sqrt y) (* 2 4.0)))
  (- (pow (sqrt y) (* 2 4.0)) (pow (sqrt y) (* 2 4.0)))
  (- (pow x 4.0) (pow y 4.0))
  (- (pow y 4.0) (pow y 4.0))
  (- (pow x 4.0) (pow y 4.0))
  (- (pow y 4.0) (pow y 4.0))
  (- (pow x 4.0) (pow y 4.0))
  (- (pow y 4.0) (pow y 4.0))
  (- (pow x 4.0) (pow y 4.0))
  (- (pow y 4.0) (pow y 4.0))
  (- (pow x 4.0) (pow y 4.0))
  (- (pow y 4.0) (pow y 4.0))
  (- (pow x 4.0) (* (pow (cbrt y) 4.0) (pow (* (cbrt y) (cbrt y)) 4.0)))
  (* (pow (* (cbrt y) (cbrt y)) 4.0) (+ (- (pow (cbrt y) 4.0)) (pow (cbrt y) 4.0)))
  (- (pow x 4.0) (pow (sqrt y) (* 2 4.0)))
  (- (pow (sqrt y) (* 2 4.0)) (pow (sqrt y) (* 2 4.0)))
  (- (pow x 4.0) (pow y 4.0))
  (- (pow y 4.0) (pow y 4.0))
  (- (pow x 4.0) (pow y 4.0))
  (- (pow y 4.0) (pow y 4.0))
  (- (pow x 4.0) (pow y 4.0))
  (- (pow y 4.0) (pow y 4.0))
  (- (pow x 4.0) (pow y 4.0))
  (- (pow y 4.0) (pow y 4.0))
  (- (pow x 4.0) (pow y 4.0))
  (- (pow y 4.0) (pow y 4.0))
  (expm1 (- (pow x 4.0) (pow y 4.0)))
  (log1p (- (pow x 4.0) (pow y 4.0)))
  (- (pow y 4.0))
  (- (pow y 4.0))
  (- (pow y 4.0))
  (- (pow y 4.0))
  (- (pow y 4.0))
  (- (pow y 4.0))
  (- (pow y 4.0))
  (exp (- (pow x 4.0) (pow y 4.0)))
  (log (- (pow x 4.0) (pow y 4.0)))
  (exp (- (pow x 4.0) (pow y 4.0)))
  (* (cbrt (- (pow x 4.0) (pow y 4.0))) (cbrt (- (pow x 4.0) (pow y 4.0))))
  (cbrt (- (pow x 4.0) (pow y 4.0)))
  (pow (- (pow x 4.0) (pow y 4.0)) 3)
  (sqrt (- (pow x 4.0) (pow y 4.0)))
  (sqrt (- (pow x 4.0) (pow y 4.0)))
  (- (pow (pow x 4.0) 3) (pow (pow y 4.0) 3))
  (fma (pow y 4.0) (+ (pow x 4.0) (pow y 4.0)) (pow x (* 2 4.0)))
  (- (pow y 4.0))
  (fma (- (pow y 4.0)) (pow y 4.0) (pow x (* 2 4.0)))
  (+ (pow x 4.0) (pow y 4.0))
  (+ (pow (sqrt x) 4.0) (pow (sqrt y) 4.0))
  (- (pow (sqrt x) 4.0) (pow (sqrt y) 4.0))
  (+ (pow (sqrt x) 4.0) (sqrt (pow y 4.0)))
  (- (pow (sqrt x) 4.0) (sqrt (pow y 4.0)))
  (+ (pow (sqrt x) 4.0) (pow y (/ 4.0 2)))
  (- (pow (sqrt x) 4.0) (pow y (/ 4.0 2)))
  (+ (sqrt (pow x 4.0)) (pow (sqrt y) 4.0))
  (- (sqrt (pow x 4.0)) (pow (sqrt y) 4.0))
  (+ (sqrt (pow x 4.0)) (sqrt (pow y 4.0)))
  (- (sqrt (pow x 4.0)) (sqrt (pow y 4.0)))
  (+ (sqrt (pow x 4.0)) (pow y (/ 4.0 2)))
  (- (sqrt (pow x 4.0)) (pow y (/ 4.0 2)))
  (+ (pow x (/ 4.0 2)) (pow (sqrt y) 4.0))
  (- (pow x (/ 4.0 2)) (pow (sqrt y) 4.0))
  (+ (pow x (/ 4.0 2)) (sqrt (pow y 4.0)))
  (- (pow x (/ 4.0 2)) (sqrt (pow y 4.0)))
  (+ (pow x (/ 4.0 2)) (pow y (/ 4.0 2)))
  (- (pow x (/ 4.0 2)) (pow y (/ 4.0 2)))
  (- (pow x 4.0) (pow y 4.0))
  (- (pow x 4.0) (pow y 4.0))
  (- (pow y 4.0))
  0
  (- (pow x 4) (pow y 4))
  (- (pow x 4) (pow y 4))
0.411 * * * [progress]: adding candidates to table
0.517 * * [progress]: iteration 2 / 4
0.517 * * * [progress]: picking best candidate
0.519 * * * * [pick]: Picked  #<alt (λ (x y) (fma (pow (* (cbrt x) (cbrt x)) 4.0) (pow (cbrt x) 4.0) (- (pow y 4.0))))>
0.519 * * * [progress]: localizing error
0.530 * * * [progress]: generating rewritten candidates
0.530 * * * * [progress]: [ 1 / 4 ] rewriting at (2 2)
0.533 * * * * [progress]: [ 2 / 4 ] rewriting at (2 2 1)
0.534 * * * * [progress]: [ 3 / 4 ] rewriting at (2 1 1 2)
0.535 * * * * [progress]: [ 4 / 4 ] rewriting at (2 1 1 1)
0.537 * * * [progress]: generating series expansions
0.537 * * * * [progress]: [ 1 / 4 ] generating series at (2 2)
0.537 * [approximate]: Taking taylor expansion of (pow (pow x 1/3) 4.0) in (x) around 0
0.537 * [taylor]: Taking taylor expansion of (pow (pow x 1/3) 4.0) in x
0.538 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log (pow x 1/3)))) in x
0.538 * [taylor]: Taking taylor expansion of (* 4.0 (log (pow x 1/3))) in x
0.538 * [taylor]: Taking taylor expansion of 4.0 in x
0.538 * [taylor]: Taking taylor expansion of (log (pow x 1/3)) in x
0.538 * [taylor]: Taking taylor expansion of (pow x 1/3) in x
0.538 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log x))) in x
0.538 * [taylor]: Taking taylor expansion of (* 1/3 (log x)) in x
0.538 * [taylor]: Taking taylor expansion of 1/3 in x
0.538 * [taylor]: Taking taylor expansion of (log x) in x
0.538 * [taylor]: Taking taylor expansion of x in x
0.539 * [taylor]: Taking taylor expansion of (pow (pow x 1/3) 4.0) in x
0.539 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log (pow x 1/3)))) in x
0.539 * [taylor]: Taking taylor expansion of (* 4.0 (log (pow x 1/3))) in x
0.539 * [taylor]: Taking taylor expansion of 4.0 in x
0.539 * [taylor]: Taking taylor expansion of (log (pow x 1/3)) in x
0.539 * [taylor]: Taking taylor expansion of (pow x 1/3) in x
0.539 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log x))) in x
0.539 * [taylor]: Taking taylor expansion of (* 1/3 (log x)) in x
0.539 * [taylor]: Taking taylor expansion of 1/3 in x
0.539 * [taylor]: Taking taylor expansion of (log x) in x
0.539 * [taylor]: Taking taylor expansion of x in x
0.620 * [approximate]: Taking taylor expansion of (pow (pow (/ 1 x) 1/3) 4.0) in (x) around 0
0.620 * [taylor]: Taking taylor expansion of (pow (pow (/ 1 x) 1/3) 4.0) in x
0.620 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log (pow (/ 1 x) 1/3)))) in x
0.620 * [taylor]: Taking taylor expansion of (* 4.0 (log (pow (/ 1 x) 1/3))) in x
0.620 * [taylor]: Taking taylor expansion of 4.0 in x
0.620 * [taylor]: Taking taylor expansion of (log (pow (/ 1 x) 1/3)) in x
0.620 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 1/3) in x
0.620 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (/ 1 x)))) in x
0.620 * [taylor]: Taking taylor expansion of (* 1/3 (log (/ 1 x))) in x
0.620 * [taylor]: Taking taylor expansion of 1/3 in x
0.620 * [taylor]: Taking taylor expansion of (log (/ 1 x)) in x
0.620 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.620 * [taylor]: Taking taylor expansion of x in x
0.621 * [taylor]: Taking taylor expansion of (pow (pow (/ 1 x) 1/3) 4.0) in x
0.621 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log (pow (/ 1 x) 1/3)))) in x
0.621 * [taylor]: Taking taylor expansion of (* 4.0 (log (pow (/ 1 x) 1/3))) in x
0.621 * [taylor]: Taking taylor expansion of 4.0 in x
0.621 * [taylor]: Taking taylor expansion of (log (pow (/ 1 x) 1/3)) in x
0.622 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 1/3) in x
0.622 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (/ 1 x)))) in x
0.622 * [taylor]: Taking taylor expansion of (* 1/3 (log (/ 1 x))) in x
0.622 * [taylor]: Taking taylor expansion of 1/3 in x
0.622 * [taylor]: Taking taylor expansion of (log (/ 1 x)) in x
0.622 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.622 * [taylor]: Taking taylor expansion of x in x
0.706 * [approximate]: Taking taylor expansion of (pow (* (cbrt -1) (pow (/ 1 x) 1/3)) 4.0) in (x) around 0
0.706 * [taylor]: Taking taylor expansion of (pow (* (cbrt -1) (pow (/ 1 x) 1/3)) 4.0) in x
0.706 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log (* (cbrt -1) (pow (/ 1 x) 1/3))))) in x
0.706 * [taylor]: Taking taylor expansion of (* 4.0 (log (* (cbrt -1) (pow (/ 1 x) 1/3)))) in x
0.706 * [taylor]: Taking taylor expansion of 4.0 in x
0.706 * [taylor]: Taking taylor expansion of (log (* (cbrt -1) (pow (/ 1 x) 1/3))) in x
0.706 * [taylor]: Taking taylor expansion of (* (cbrt -1) (pow (/ 1 x) 1/3)) in x
0.706 * [taylor]: Taking taylor expansion of (cbrt -1) in x
0.706 * [taylor]: Taking taylor expansion of -1 in x
0.707 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 1/3) in x
0.707 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (/ 1 x)))) in x
0.707 * [taylor]: Taking taylor expansion of (* 1/3 (log (/ 1 x))) in x
0.707 * [taylor]: Taking taylor expansion of 1/3 in x
0.707 * [taylor]: Taking taylor expansion of (log (/ 1 x)) in x
0.707 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.707 * [taylor]: Taking taylor expansion of x in x
0.710 * [taylor]: Taking taylor expansion of (pow (* (cbrt -1) (pow (/ 1 x) 1/3)) 4.0) in x
0.710 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log (* (cbrt -1) (pow (/ 1 x) 1/3))))) in x
0.710 * [taylor]: Taking taylor expansion of (* 4.0 (log (* (cbrt -1) (pow (/ 1 x) 1/3)))) in x
0.710 * [taylor]: Taking taylor expansion of 4.0 in x
0.710 * [taylor]: Taking taylor expansion of (log (* (cbrt -1) (pow (/ 1 x) 1/3))) in x
0.710 * [taylor]: Taking taylor expansion of (* (cbrt -1) (pow (/ 1 x) 1/3)) in x
0.710 * [taylor]: Taking taylor expansion of (cbrt -1) in x
0.710 * [taylor]: Taking taylor expansion of -1 in x
0.711 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 1/3) in x
0.711 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (/ 1 x)))) in x
0.711 * [taylor]: Taking taylor expansion of (* 1/3 (log (/ 1 x))) in x
0.711 * [taylor]: Taking taylor expansion of 1/3 in x
0.711 * [taylor]: Taking taylor expansion of (log (/ 1 x)) in x
0.711 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.711 * [taylor]: Taking taylor expansion of x in x
0.826 * * * * [progress]: [ 2 / 4 ] generating series at (2 2 1)
0.826 * [approximate]: Taking taylor expansion of (pow x 1/3) in (x) around 0
0.826 * [taylor]: Taking taylor expansion of (pow x 1/3) in x
0.826 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log x))) in x
0.826 * [taylor]: Taking taylor expansion of (* 1/3 (log x)) in x
0.826 * [taylor]: Taking taylor expansion of 1/3 in x
0.826 * [taylor]: Taking taylor expansion of (log x) in x
0.826 * [taylor]: Taking taylor expansion of x in x
0.827 * [taylor]: Taking taylor expansion of (pow x 1/3) in x
0.827 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log x))) in x
0.827 * [taylor]: Taking taylor expansion of (* 1/3 (log x)) in x
0.827 * [taylor]: Taking taylor expansion of 1/3 in x
0.827 * [taylor]: Taking taylor expansion of (log x) in x
0.827 * [taylor]: Taking taylor expansion of x in x
0.873 * [approximate]: Taking taylor expansion of (pow (/ 1 x) 1/3) in (x) around 0
0.873 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 1/3) in x
0.873 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (/ 1 x)))) in x
0.873 * [taylor]: Taking taylor expansion of (* 1/3 (log (/ 1 x))) in x
0.873 * [taylor]: Taking taylor expansion of 1/3 in x
0.873 * [taylor]: Taking taylor expansion of (log (/ 1 x)) in x
0.873 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.873 * [taylor]: Taking taylor expansion of x in x
0.874 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 1/3) in x
0.874 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (/ 1 x)))) in x
0.874 * [taylor]: Taking taylor expansion of (* 1/3 (log (/ 1 x))) in x
0.874 * [taylor]: Taking taylor expansion of 1/3 in x
0.874 * [taylor]: Taking taylor expansion of (log (/ 1 x)) in x
0.874 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.874 * [taylor]: Taking taylor expansion of x in x
0.929 * [approximate]: Taking taylor expansion of (* (cbrt -1) (pow (/ 1 x) 1/3)) in (x) around 0
0.929 * [taylor]: Taking taylor expansion of (* (cbrt -1) (pow (/ 1 x) 1/3)) in x
0.929 * [taylor]: Taking taylor expansion of (cbrt -1) in x
0.929 * [taylor]: Taking taylor expansion of -1 in x
0.930 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 1/3) in x
0.930 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (/ 1 x)))) in x
0.930 * [taylor]: Taking taylor expansion of (* 1/3 (log (/ 1 x))) in x
0.930 * [taylor]: Taking taylor expansion of 1/3 in x
0.930 * [taylor]: Taking taylor expansion of (log (/ 1 x)) in x
0.930 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.930 * [taylor]: Taking taylor expansion of x in x
0.931 * [taylor]: Taking taylor expansion of (* (cbrt -1) (pow (/ 1 x) 1/3)) in x
0.931 * [taylor]: Taking taylor expansion of (cbrt -1) in x
0.931 * [taylor]: Taking taylor expansion of -1 in x
0.931 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 1/3) in x
0.931 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (/ 1 x)))) in x
0.931 * [taylor]: Taking taylor expansion of (* 1/3 (log (/ 1 x))) in x
0.931 * [taylor]: Taking taylor expansion of 1/3 in x
0.931 * [taylor]: Taking taylor expansion of (log (/ 1 x)) in x
0.931 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.931 * [taylor]: Taking taylor expansion of x in x
0.996 * * * * [progress]: [ 3 / 4 ] generating series at (2 1 1 2)
0.996 * [approximate]: Taking taylor expansion of (pow x 1/3) in (x) around 0
0.996 * [taylor]: Taking taylor expansion of (pow x 1/3) in x
0.996 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log x))) in x
0.996 * [taylor]: Taking taylor expansion of (* 1/3 (log x)) in x
0.996 * [taylor]: Taking taylor expansion of 1/3 in x
0.996 * [taylor]: Taking taylor expansion of (log x) in x
0.996 * [taylor]: Taking taylor expansion of x in x
0.997 * [taylor]: Taking taylor expansion of (pow x 1/3) in x
0.997 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log x))) in x
0.997 * [taylor]: Taking taylor expansion of (* 1/3 (log x)) in x
0.997 * [taylor]: Taking taylor expansion of 1/3 in x
0.997 * [taylor]: Taking taylor expansion of (log x) in x
0.997 * [taylor]: Taking taylor expansion of x in x
1.048 * [approximate]: Taking taylor expansion of (pow (/ 1 x) 1/3) in (x) around 0
1.048 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 1/3) in x
1.048 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (/ 1 x)))) in x
1.048 * [taylor]: Taking taylor expansion of (* 1/3 (log (/ 1 x))) in x
1.048 * [taylor]: Taking taylor expansion of 1/3 in x
1.048 * [taylor]: Taking taylor expansion of (log (/ 1 x)) in x
1.048 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.048 * [taylor]: Taking taylor expansion of x in x
1.049 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 1/3) in x
1.049 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (/ 1 x)))) in x
1.049 * [taylor]: Taking taylor expansion of (* 1/3 (log (/ 1 x))) in x
1.049 * [taylor]: Taking taylor expansion of 1/3 in x
1.049 * [taylor]: Taking taylor expansion of (log (/ 1 x)) in x
1.049 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.049 * [taylor]: Taking taylor expansion of x in x
1.104 * [approximate]: Taking taylor expansion of (* (cbrt -1) (pow (/ 1 x) 1/3)) in (x) around 0
1.104 * [taylor]: Taking taylor expansion of (* (cbrt -1) (pow (/ 1 x) 1/3)) in x
1.104 * [taylor]: Taking taylor expansion of (cbrt -1) in x
1.104 * [taylor]: Taking taylor expansion of -1 in x
1.105 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 1/3) in x
1.105 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (/ 1 x)))) in x
1.105 * [taylor]: Taking taylor expansion of (* 1/3 (log (/ 1 x))) in x
1.105 * [taylor]: Taking taylor expansion of 1/3 in x
1.105 * [taylor]: Taking taylor expansion of (log (/ 1 x)) in x
1.105 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.105 * [taylor]: Taking taylor expansion of x in x
1.106 * [taylor]: Taking taylor expansion of (* (cbrt -1) (pow (/ 1 x) 1/3)) in x
1.106 * [taylor]: Taking taylor expansion of (cbrt -1) in x
1.106 * [taylor]: Taking taylor expansion of -1 in x
1.107 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 1/3) in x
1.107 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (/ 1 x)))) in x
1.107 * [taylor]: Taking taylor expansion of (* 1/3 (log (/ 1 x))) in x
1.107 * [taylor]: Taking taylor expansion of 1/3 in x
1.107 * [taylor]: Taking taylor expansion of (log (/ 1 x)) in x
1.107 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.107 * [taylor]: Taking taylor expansion of x in x
1.167 * * * * [progress]: [ 4 / 4 ] generating series at (2 1 1 1)
1.168 * [approximate]: Taking taylor expansion of (pow x 1/3) in (x) around 0
1.168 * [taylor]: Taking taylor expansion of (pow x 1/3) in x
1.168 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log x))) in x
1.168 * [taylor]: Taking taylor expansion of (* 1/3 (log x)) in x
1.168 * [taylor]: Taking taylor expansion of 1/3 in x
1.168 * [taylor]: Taking taylor expansion of (log x) in x
1.168 * [taylor]: Taking taylor expansion of x in x
1.168 * [taylor]: Taking taylor expansion of (pow x 1/3) in x
1.168 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log x))) in x
1.168 * [taylor]: Taking taylor expansion of (* 1/3 (log x)) in x
1.168 * [taylor]: Taking taylor expansion of 1/3 in x
1.168 * [taylor]: Taking taylor expansion of (log x) in x
1.168 * [taylor]: Taking taylor expansion of x in x
1.221 * [approximate]: Taking taylor expansion of (pow (/ 1 x) 1/3) in (x) around 0
1.221 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 1/3) in x
1.221 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (/ 1 x)))) in x
1.221 * [taylor]: Taking taylor expansion of (* 1/3 (log (/ 1 x))) in x
1.221 * [taylor]: Taking taylor expansion of 1/3 in x
1.221 * [taylor]: Taking taylor expansion of (log (/ 1 x)) in x
1.221 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.222 * [taylor]: Taking taylor expansion of x in x
1.222 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 1/3) in x
1.222 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (/ 1 x)))) in x
1.222 * [taylor]: Taking taylor expansion of (* 1/3 (log (/ 1 x))) in x
1.222 * [taylor]: Taking taylor expansion of 1/3 in x
1.222 * [taylor]: Taking taylor expansion of (log (/ 1 x)) in x
1.222 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.222 * [taylor]: Taking taylor expansion of x in x
1.279 * [approximate]: Taking taylor expansion of (* (cbrt -1) (pow (/ 1 x) 1/3)) in (x) around 0
1.279 * [taylor]: Taking taylor expansion of (* (cbrt -1) (pow (/ 1 x) 1/3)) in x
1.279 * [taylor]: Taking taylor expansion of (cbrt -1) in x
1.279 * [taylor]: Taking taylor expansion of -1 in x
1.280 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 1/3) in x
1.280 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (/ 1 x)))) in x
1.280 * [taylor]: Taking taylor expansion of (* 1/3 (log (/ 1 x))) in x
1.280 * [taylor]: Taking taylor expansion of 1/3 in x
1.280 * [taylor]: Taking taylor expansion of (log (/ 1 x)) in x
1.280 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.280 * [taylor]: Taking taylor expansion of x in x
1.281 * [taylor]: Taking taylor expansion of (* (cbrt -1) (pow (/ 1 x) 1/3)) in x
1.281 * [taylor]: Taking taylor expansion of (cbrt -1) in x
1.281 * [taylor]: Taking taylor expansion of -1 in x
1.282 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 1/3) in x
1.282 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (/ 1 x)))) in x
1.282 * [taylor]: Taking taylor expansion of (* 1/3 (log (/ 1 x))) in x
1.282 * [taylor]: Taking taylor expansion of 1/3 in x
1.282 * [taylor]: Taking taylor expansion of (log (/ 1 x)) in x
1.282 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.282 * [taylor]: Taking taylor expansion of x in x
1.351 * * * [progress]: simplifying candidates
1.352 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (expm1 (pow (cbrt x) 4.0))
  (log1p (pow (cbrt x) 4.0))
  (* (log (cbrt x)) 4.0)
  (* (log (cbrt x)) 4.0)
  (* 1/3 4.0)
  (* 1 4.0)
  (pow (cbrt x) (* (cbrt 4.0) (cbrt 4.0)))
  (pow (cbrt x) (sqrt 4.0))
  (pow (cbrt x) 1)
  (pow (cbrt (* (cbrt x) (cbrt x))) 4.0)
  (pow (cbrt (cbrt x)) 4.0)
  (pow (cbrt (sqrt x)) 4.0)
  (pow (cbrt (sqrt x)) 4.0)
  (pow (cbrt 1) 4.0)
  (pow (cbrt x) 4.0)
  (pow (* (cbrt (cbrt x)) (cbrt (cbrt x))) 4.0)
  (pow (cbrt (cbrt x)) 4.0)
  (pow (sqrt (cbrt x)) 4.0)
  (pow (sqrt (cbrt x)) 4.0)
  (pow 1 4.0)
  (pow (cbrt x) 4.0)
  (log (pow (cbrt x) 4.0))
  (exp (pow (cbrt x) 4.0))
  (* (cbrt (pow (cbrt x) 4.0)) (cbrt (pow (cbrt x) 4.0)))
  (cbrt (pow (cbrt x) 4.0))
  (* (* (pow (cbrt x) 4.0) (pow (cbrt x) 4.0)) (pow (cbrt x) 4.0))
  (sqrt (pow (cbrt x) 4.0))
  (sqrt (pow (cbrt x) 4.0))
  (pow (cbrt x) (/ 4.0 2))
  (pow (cbrt x) (/ 4.0 2))
  (expm1 (cbrt x))
  (log1p (cbrt x))
  (log (cbrt x))
  (exp (cbrt x))
  (cbrt (* (cbrt x) (cbrt x)))
  (cbrt (cbrt x))
  (cbrt (sqrt x))
  (cbrt (sqrt x))
  (cbrt 1)
  (cbrt x)
  (* (cbrt (cbrt x)) (cbrt (cbrt x)))
  (cbrt (cbrt x))
  (* (* (cbrt x) (cbrt x)) (cbrt x))
  (sqrt (cbrt x))
  (sqrt (cbrt x))
  (expm1 (cbrt x))
  (log1p (cbrt x))
  (log (cbrt x))
  (exp (cbrt x))
  (cbrt (* (cbrt x) (cbrt x)))
  (cbrt (cbrt x))
  (cbrt (sqrt x))
  (cbrt (sqrt x))
  (cbrt 1)
  (cbrt x)
  (* (cbrt (cbrt x)) (cbrt (cbrt x)))
  (cbrt (cbrt x))
  (* (* (cbrt x) (cbrt x)) (cbrt x))
  (sqrt (cbrt x))
  (sqrt (cbrt x))
  (expm1 (cbrt x))
  (log1p (cbrt x))
  (log (cbrt x))
  (exp (cbrt x))
  (cbrt (* (cbrt x) (cbrt x)))
  (cbrt (cbrt x))
  (cbrt (sqrt x))
  (cbrt (sqrt x))
  (cbrt 1)
  (cbrt x)
  (* (cbrt (cbrt x)) (cbrt (cbrt x)))
  (cbrt (cbrt x))
  (* (* (cbrt x) (cbrt x)) (cbrt x))
  (sqrt (cbrt x))
  (sqrt (cbrt x))
  (pow (pow x 1/3) 4.0)
  (pow (pow (/ 1 x) -1/3) 4.0)
  (pow (* (pow (* -1 x) 1/3) (cbrt -1)) 4.0)
  (pow x 1/3)
  (pow (/ 1 x) -1/3)
  (* (pow (* -1 x) 1/3) (cbrt -1))
  (pow x 1/3)
  (pow (/ 1 x) -1/3)
  (* (pow (* -1 x) 1/3) (cbrt -1))
  (pow x 1/3)
  (pow (/ 1 x) -1/3)
  (* (pow (* -1 x) 1/3) (cbrt -1))
1.356 * * [simplify]: iteration  0 :  113  enodes  (cost  230 )
1.358 * * [simplify]: iteration  1 :  330  enodes  (cost  218 )
1.365 * * [simplify]: iteration  2 :  1201  enodes  (cost  212 )
1.398 * * [simplify]: iteration  3 :  5002  enodes  (cost  207 )
1.400 * [simplify]: Simplified to:
   (expm1 (pow (cbrt x) 4.0))
  (log1p (pow (cbrt x) 4.0))
  (log (pow (cbrt x) 4.0))
  (log (pow (cbrt x) 4.0))
  (* 1/3 4.0)
  4.0
  (pow (cbrt x) (* (cbrt 4.0) (cbrt 4.0)))
  (pow (cbrt x) (sqrt 4.0))
  (pow x 1/3)
  (pow (cbrt (* (cbrt x) (cbrt x))) 4.0)
  (pow (cbrt (cbrt x)) 4.0)
  (pow (cbrt (sqrt x)) 4.0)
  (pow (cbrt (sqrt x)) 4.0)
  1
  (pow (pow x 1/3) 4.0)
  (pow (* (cbrt (cbrt x)) (cbrt (cbrt x))) 4.0)
  (pow (cbrt (cbrt x)) 4.0)
  (pow (sqrt (cbrt x)) 4.0)
  (pow (sqrt (cbrt x)) 4.0)
  1
  (pow (pow x 1/3) 4.0)
  (log (pow (cbrt x) 4.0))
  (exp (pow (cbrt x) 4.0))
  (* (cbrt (pow (cbrt x) 4.0)) (cbrt (pow (cbrt x) 4.0)))
  (cbrt (pow (cbrt x) 4.0))
  (pow (pow (pow x 1/3) 4.0) 3)
  (sqrt (pow (cbrt x) 4.0))
  (sqrt (pow (cbrt x) 4.0))
  (pow (cbrt x) (/ 4.0 2))
  (pow (cbrt x) (/ 4.0 2))
  (expm1 (cbrt x))
  (log1p (cbrt x))
  (log (cbrt x))
  (exp (cbrt x))
  (cbrt (* (cbrt x) (cbrt x)))
  (cbrt (cbrt x))
  (cbrt (sqrt x))
  (cbrt (sqrt x))
  1
  (pow x 1/3)
  (* (cbrt (cbrt x)) (cbrt (cbrt x)))
  (cbrt (cbrt x))
  x
  (pow (pow x 1/3) 1/2)
  (pow (pow x 1/3) 1/2)
  (expm1 (cbrt x))
  (log1p (cbrt x))
  (log (cbrt x))
  (exp (cbrt x))
  (cbrt (* (cbrt x) (cbrt x)))
  (cbrt (cbrt x))
  (cbrt (sqrt x))
  (cbrt (sqrt x))
  1
  (pow x 1/3)
  (* (cbrt (cbrt x)) (cbrt (cbrt x)))
  (cbrt (cbrt x))
  x
  (pow (pow x 1/3) 1/2)
  (pow (pow x 1/3) 1/2)
  (expm1 (cbrt x))
  (log1p (cbrt x))
  (log (cbrt x))
  (exp (cbrt x))
  (cbrt (* (cbrt x) (cbrt x)))
  (cbrt (cbrt x))
  (cbrt (sqrt x))
  (cbrt (sqrt x))
  1
  (pow x 1/3)
  (* (cbrt (cbrt x)) (cbrt (cbrt x)))
  (cbrt (cbrt x))
  x
  (pow (pow x 1/3) 1/2)
  (pow (pow x 1/3) 1/2)
  (pow (pow x 1/3) 4.0)
  (pow (pow (/ 1 x) -1/3) 4.0)
  (pow (* (pow (* -1 x) 1/3) (cbrt -1)) 4.0)
  (pow x 1/3)
  (pow (/ 1 x) -1/3)
  (* (pow (* -1 x) 1/3) (cbrt -1))
  (pow x 1/3)
  (pow (/ 1 x) -1/3)
  (* (pow (* -1 x) 1/3) (cbrt -1))
  (pow x 1/3)
  (pow (/ 1 x) -1/3)
  (* (pow (* -1 x) 1/3) (cbrt -1))
1.400 * * * [progress]: adding candidates to table
1.597 * [progress]: [Phase 3 of 3] Extracting.
1.597 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (- (pow x 4.0) (pow y 4.0)))> #<alt (λ (x y) (fma (pow (* (cbrt x) (cbrt x)) 4.0) (pow (cbrt x) 4.0) (- (pow y 4.0))))>)
1.598 * * * [regime-changes]: Trying 5 branch expressions: ((pow y 4.0) (pow x 4.0) (- (pow x 4.0) (pow y 4.0)) y x)
1.598 * * * * [regimes]: Trying to branch on (pow y 4.0) from (#<alt (λ (x y) (- (pow x 4.0) (pow y 4.0)))> #<alt (λ (x y) (fma (pow (* (cbrt x) (cbrt x)) 4.0) (pow (cbrt x) 4.0) (- (pow y 4.0))))>)
1.612 * * * * [regimes]: Trying to branch on (pow x 4.0) from (#<alt (λ (x y) (- (pow x 4.0) (pow y 4.0)))> #<alt (λ (x y) (fma (pow (* (cbrt x) (cbrt x)) 4.0) (pow (cbrt x) 4.0) (- (pow y 4.0))))>)
1.626 * * * * [regimes]: Trying to branch on (- (pow x 4.0) (pow y 4.0)) from (#<alt (λ (x y) (- (pow x 4.0) (pow y 4.0)))> #<alt (λ (x y) (fma (pow (* (cbrt x) (cbrt x)) 4.0) (pow (cbrt x) 4.0) (- (pow y 4.0))))>)
1.648 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (- (pow x 4.0) (pow y 4.0)))> #<alt (λ (x y) (fma (pow (* (cbrt x) (cbrt x)) 4.0) (pow (cbrt x) 4.0) (- (pow y 4.0))))>)
1.660 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (- (pow x 4.0) (pow y 4.0)))> #<alt (λ (x y) (fma (pow (* (cbrt x) (cbrt x)) 4.0) (pow (cbrt x) 4.0) (- (pow y 4.0))))>)
1.674 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
1.675 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (pow x 4.0) (pow y 4.0))
1.675 * * [simplify]: iteration  0 :  6  enodes  (cost  3 )
1.675 * [simplify]: Simplified to:
   (- (pow x 4.0) (pow y 4.0))
3.162 * [regime-testing]: Baseline error score: 0.0018752344043005376
3.162 * [regime-testing]: Oracle error score: 0.0017502187773471684
3.163 * [regime-testing]: End program error score: 0.0018752344043005376