8.591 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.065 * * * [progress]: [2/2] Setting up program.
0.068 * [progress]: [Phase 2 of 3] Improving.
0.068 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (pow x 4.0) (pow y 4.0))
0.071 * * [simplify]: iteration  0 :  14  enodes  (cost  3 )
0.072 * * [simplify]: iteration  1 :  30  enodes  (cost  3 )
0.073 * * [simplify]: iteration  2 :  73  enodes  (cost  3 )
0.075 * * [simplify]: iteration  3 :  217  enodes  (cost  3 )
0.080 * * [simplify]: iteration  4 :  819  enodes  (cost  3 )
0.110 * * [simplify]: iteration  5 :  4243  enodes  (cost  3 )
0.224 * * [simplify]: iteration  6 :  5001  enodes  (cost  3 )
0.225 * [simplify]: Simplified to:
   (- (pow x 4.0) (pow y 4.0))
0.225 * * [progress]: iteration 1 / 4
0.225 * * * [progress]: picking best candidate
0.228 * * * * [pick]: Picked  #<alt (λ (x y) (- (pow x 4.0) (pow y 4.0)))>
0.228 * * * [progress]: localizing error
0.243 * * * [progress]: generating rewritten candidates
0.243 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.265 * * * [progress]: generating series expansions
0.265 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.266 * [approximate]: Taking taylor expansion of (- (pow x 4) (pow y 4)) in (x y) around 0
0.266 * [taylor]: Taking taylor expansion of (- (pow x 4) (pow y 4)) in y
0.266 * [taylor]: Taking taylor expansion of (pow x 4) in y
0.266 * [taylor]: Taking taylor expansion of x in y
0.266 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.266 * [taylor]: Taking taylor expansion of y in y
0.266 * [taylor]: Taking taylor expansion of (- (pow x 4) (pow y 4)) in x
0.266 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.266 * [taylor]: Taking taylor expansion of x in x
0.266 * [taylor]: Taking taylor expansion of (pow y 4) in x
0.266 * [taylor]: Taking taylor expansion of y in x
0.266 * [taylor]: Taking taylor expansion of (- (pow x 4) (pow y 4)) in x
0.266 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.266 * [taylor]: Taking taylor expansion of x in x
0.266 * [taylor]: Taking taylor expansion of (pow y 4) in x
0.266 * [taylor]: Taking taylor expansion of y in x
0.267 * [taylor]: Taking taylor expansion of (- (pow y 4)) in y
0.267 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.267 * [taylor]: Taking taylor expansion of y in y
0.268 * [taylor]: Taking taylor expansion of 0 in y
0.270 * [taylor]: Taking taylor expansion of 0 in y
0.272 * [taylor]: Taking taylor expansion of 0 in y
0.273 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in (x y) around 0
0.273 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in y
0.273 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in y
0.273 * [taylor]: Taking taylor expansion of (pow x 4) in y
0.273 * [taylor]: Taking taylor expansion of x in y
0.273 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
0.273 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.273 * [taylor]: Taking taylor expansion of y in y
0.274 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in x
0.274 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.274 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.275 * [taylor]: Taking taylor expansion of x in x
0.276 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x
0.276 * [taylor]: Taking taylor expansion of (pow y 4) in x
0.276 * [taylor]: Taking taylor expansion of y in x
0.276 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in x
0.276 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.276 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.276 * [taylor]: Taking taylor expansion of x in x
0.277 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x
0.277 * [taylor]: Taking taylor expansion of (pow y 4) in x
0.277 * [taylor]: Taking taylor expansion of y in x
0.277 * [taylor]: Taking taylor expansion of 1 in y
0.278 * [taylor]: Taking taylor expansion of 0 in y
0.280 * [taylor]: Taking taylor expansion of 0 in y
0.282 * [taylor]: Taking taylor expansion of 0 in y
0.284 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 4))) 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
0.288 * [taylor]: Taking taylor expansion of 0 in y
0.293 * [taylor]: Taking taylor expansion of 0 in y
0.295 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in (x y) around 0
0.295 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in y
0.295 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in y
0.295 * [taylor]: Taking taylor expansion of (pow x 4) in y
0.295 * [taylor]: Taking taylor expansion of x in y
0.295 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
0.295 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.295 * [taylor]: Taking taylor expansion of y in y
0.296 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in x
0.296 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.296 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.296 * [taylor]: Taking taylor expansion of x in x
0.297 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x
0.297 * [taylor]: Taking taylor expansion of (pow y 4) in x
0.297 * [taylor]: Taking taylor expansion of y in x
0.297 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 4)) (/ 1 (pow y 4))) in x
0.297 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.297 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.297 * [taylor]: Taking taylor expansion of x in x
0.298 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x
0.298 * [taylor]: Taking taylor expansion of (pow y 4) in x
0.298 * [taylor]: Taking taylor expansion of y in x
0.298 * [taylor]: Taking taylor expansion of 1 in y
0.300 * [taylor]: Taking taylor expansion of 0 in y
0.301 * [taylor]: Taking taylor expansion of 0 in y
0.303 * [taylor]: Taking taylor expansion of 0 in y
0.305 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 4))) in y
0.305 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
0.305 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.305 * [taylor]: Taking taylor expansion of y in y
0.309 * [taylor]: Taking taylor expansion of 0 in y
0.314 * [taylor]: Taking taylor expansion of 0 in y
0.316 * * * [progress]: simplifying candidates
0.318 * [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))
0.325 * * [simplify]: iteration  0 :  315  enodes  (cost  1099 )
0.330 * * [simplify]: iteration  1 :  873  enodes  (cost  775 )
0.351 * * [simplify]: iteration  2 :  4757  enodes  (cost  725 )
0.458 * * [simplify]: iteration  3 :  5001  enodes  (cost  720 )
0.463 * [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))
0.464 * * * [progress]: adding candidates to table
0.581 * * [progress]: iteration 2 / 4
0.581 * * * [progress]: picking best candidate
0.584 * * * * [pick]: Picked  #<alt (λ (x y) (fma (pow (* (cbrt x) (cbrt x)) 4.0) (pow (cbrt x) 4.0) (- (pow y 4.0))))>
0.584 * * * [progress]: localizing error
0.595 * * * [progress]: generating rewritten candidates
0.595 * * * * [progress]: [ 1 / 4 ] rewriting at (2 2)
0.598 * * * * [progress]: [ 2 / 4 ] rewriting at (2 2 1)
0.599 * * * * [progress]: [ 3 / 4 ] rewriting at (2 1 1 2)
0.600 * * * * [progress]: [ 4 / 4 ] rewriting at (2 1 1 1)
0.603 * * * [progress]: generating series expansions
0.603 * * * * [progress]: [ 1 / 4 ] generating series at (2 2)
0.603 * [approximate]: Taking taylor expansion of (pow (pow x 1/3) 4.0) in (x) around 0
0.603 * [taylor]: Taking taylor expansion of (pow (pow x 1/3) 4.0) in x
0.603 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log (pow x 1/3)))) in x
0.603 * [taylor]: Taking taylor expansion of (* 4.0 (log (pow x 1/3))) in x
0.603 * [taylor]: Taking taylor expansion of 4.0 in x
0.603 * [taylor]: Taking taylor expansion of (log (pow x 1/3)) in x
0.603 * [taylor]: Taking taylor expansion of (pow x 1/3) in x
0.603 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log x))) in x
0.603 * [taylor]: Taking taylor expansion of (* 1/3 (log x)) in x
0.603 * [taylor]: Taking taylor expansion of 1/3 in x
0.603 * [taylor]: Taking taylor expansion of (log x) in x
0.603 * [taylor]: Taking taylor expansion of x in x
0.604 * [taylor]: Taking taylor expansion of (pow (pow x 1/3) 4.0) in x
0.604 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log (pow x 1/3)))) in x
0.604 * [taylor]: Taking taylor expansion of (* 4.0 (log (pow x 1/3))) in x
0.604 * [taylor]: Taking taylor expansion of 4.0 in x
0.604 * [taylor]: Taking taylor expansion of (log (pow x 1/3)) in x
0.604 * [taylor]: Taking taylor expansion of (pow x 1/3) in x
0.604 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log x))) in x
0.604 * [taylor]: Taking taylor expansion of (* 1/3 (log x)) in x
0.604 * [taylor]: Taking taylor expansion of 1/3 in x
0.604 * [taylor]: Taking taylor expansion of (log x) in x
0.604 * [taylor]: Taking taylor expansion of x in x
0.691 * [approximate]: Taking taylor expansion of (pow (pow (/ 1 x) 1/3) 4.0) in (x) around 0
0.691 * [taylor]: Taking taylor expansion of (pow (pow (/ 1 x) 1/3) 4.0) in x
0.691 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log (pow (/ 1 x) 1/3)))) in x
0.691 * [taylor]: Taking taylor expansion of (* 4.0 (log (pow (/ 1 x) 1/3))) in x
0.691 * [taylor]: Taking taylor expansion of 4.0 in x
0.691 * [taylor]: Taking taylor expansion of (log (pow (/ 1 x) 1/3)) in x
0.691 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 1/3) in x
0.691 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (/ 1 x)))) in x
0.691 * [taylor]: Taking taylor expansion of (* 1/3 (log (/ 1 x))) in x
0.691 * [taylor]: Taking taylor expansion of 1/3 in x
0.691 * [taylor]: Taking taylor expansion of (log (/ 1 x)) in x
0.691 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.691 * [taylor]: Taking taylor expansion of x in x
0.692 * [taylor]: Taking taylor expansion of (pow (pow (/ 1 x) 1/3) 4.0) in x
0.692 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log (pow (/ 1 x) 1/3)))) in x
0.692 * [taylor]: Taking taylor expansion of (* 4.0 (log (pow (/ 1 x) 1/3))) in x
0.692 * [taylor]: Taking taylor expansion of 4.0 in x
0.692 * [taylor]: Taking taylor expansion of (log (pow (/ 1 x) 1/3)) in x
0.692 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 1/3) in x
0.692 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (/ 1 x)))) in x
0.692 * [taylor]: Taking taylor expansion of (* 1/3 (log (/ 1 x))) in x
0.692 * [taylor]: Taking taylor expansion of 1/3 in x
0.692 * [taylor]: Taking taylor expansion of (log (/ 1 x)) in x
0.692 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.692 * [taylor]: Taking taylor expansion of x in x
0.788 * [approximate]: Taking taylor expansion of (pow (* (cbrt -1) (pow (/ 1 x) 1/3)) 4.0) in (x) around 0
0.788 * [taylor]: Taking taylor expansion of (pow (* (cbrt -1) (pow (/ 1 x) 1/3)) 4.0) in x
0.788 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log (* (cbrt -1) (pow (/ 1 x) 1/3))))) in x
0.788 * [taylor]: Taking taylor expansion of (* 4.0 (log (* (cbrt -1) (pow (/ 1 x) 1/3)))) in x
0.788 * [taylor]: Taking taylor expansion of 4.0 in x
0.788 * [taylor]: Taking taylor expansion of (log (* (cbrt -1) (pow (/ 1 x) 1/3))) in x
0.788 * [taylor]: Taking taylor expansion of (* (cbrt -1) (pow (/ 1 x) 1/3)) in x
0.788 * [taylor]: Taking taylor expansion of (cbrt -1) in x
0.788 * [taylor]: Taking taylor expansion of -1 in x
0.789 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 1/3) in x
0.789 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (/ 1 x)))) in x
0.789 * [taylor]: Taking taylor expansion of (* 1/3 (log (/ 1 x))) in x
0.790 * [taylor]: Taking taylor expansion of 1/3 in x
0.790 * [taylor]: Taking taylor expansion of (log (/ 1 x)) in x
0.790 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.790 * [taylor]: Taking taylor expansion of x in x
0.792 * [taylor]: Taking taylor expansion of (pow (* (cbrt -1) (pow (/ 1 x) 1/3)) 4.0) in x
0.792 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log (* (cbrt -1) (pow (/ 1 x) 1/3))))) in x
0.792 * [taylor]: Taking taylor expansion of (* 4.0 (log (* (cbrt -1) (pow (/ 1 x) 1/3)))) in x
0.792 * [taylor]: Taking taylor expansion of 4.0 in x
0.792 * [taylor]: Taking taylor expansion of (log (* (cbrt -1) (pow (/ 1 x) 1/3))) in x
0.792 * [taylor]: Taking taylor expansion of (* (cbrt -1) (pow (/ 1 x) 1/3)) in x
0.792 * [taylor]: Taking taylor expansion of (cbrt -1) in x
0.792 * [taylor]: Taking taylor expansion of -1 in x
0.793 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 1/3) in x
0.793 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (/ 1 x)))) in x
0.793 * [taylor]: Taking taylor expansion of (* 1/3 (log (/ 1 x))) in x
0.793 * [taylor]: Taking taylor expansion of 1/3 in x
0.793 * [taylor]: Taking taylor expansion of (log (/ 1 x)) in x
0.793 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.793 * [taylor]: Taking taylor expansion of x in x
0.909 * * * * [progress]: [ 2 / 4 ] generating series at (2 2 1)
0.910 * [approximate]: Taking taylor expansion of (pow x 1/3) in (x) around 0
0.910 * [taylor]: Taking taylor expansion of (pow x 1/3) in x
0.910 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log x))) in x
0.910 * [taylor]: Taking taylor expansion of (* 1/3 (log x)) in x
0.910 * [taylor]: Taking taylor expansion of 1/3 in x
0.910 * [taylor]: Taking taylor expansion of (log x) in x
0.910 * [taylor]: Taking taylor expansion of x in x
0.910 * [taylor]: Taking taylor expansion of (pow x 1/3) in x
0.910 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log x))) in x
0.910 * [taylor]: Taking taylor expansion of (* 1/3 (log x)) in x
0.910 * [taylor]: Taking taylor expansion of 1/3 in x
0.910 * [taylor]: Taking taylor expansion of (log x) in x
0.910 * [taylor]: Taking taylor expansion of x in x
0.964 * [approximate]: Taking taylor expansion of (pow (/ 1 x) 1/3) in (x) around 0
0.964 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 1/3) in x
0.964 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (/ 1 x)))) in x
0.964 * [taylor]: Taking taylor expansion of (* 1/3 (log (/ 1 x))) in x
0.964 * [taylor]: Taking taylor expansion of 1/3 in x
0.964 * [taylor]: Taking taylor expansion of (log (/ 1 x)) in x
0.964 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.964 * [taylor]: Taking taylor expansion of x in x
0.965 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 1/3) in x
0.965 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (/ 1 x)))) in x
0.965 * [taylor]: Taking taylor expansion of (* 1/3 (log (/ 1 x))) in x
0.965 * [taylor]: Taking taylor expansion of 1/3 in x
0.965 * [taylor]: Taking taylor expansion of (log (/ 1 x)) in x
0.965 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.965 * [taylor]: Taking taylor expansion of x in x
1.023 * [approximate]: Taking taylor expansion of (* (cbrt -1) (pow (/ 1 x) 1/3)) in (x) around 0
1.023 * [taylor]: Taking taylor expansion of (* (cbrt -1) (pow (/ 1 x) 1/3)) in x
1.023 * [taylor]: Taking taylor expansion of (cbrt -1) in x
1.023 * [taylor]: Taking taylor expansion of -1 in x
1.024 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 1/3) in x
1.024 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (/ 1 x)))) in x
1.024 * [taylor]: Taking taylor expansion of (* 1/3 (log (/ 1 x))) in x
1.024 * [taylor]: Taking taylor expansion of 1/3 in x
1.024 * [taylor]: Taking taylor expansion of (log (/ 1 x)) in x
1.024 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.024 * [taylor]: Taking taylor expansion of x in x
1.025 * [taylor]: Taking taylor expansion of (* (cbrt -1) (pow (/ 1 x) 1/3)) in x
1.025 * [taylor]: Taking taylor expansion of (cbrt -1) in x
1.025 * [taylor]: Taking taylor expansion of -1 in x
1.026 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 1/3) in x
1.026 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (/ 1 x)))) in x
1.026 * [taylor]: Taking taylor expansion of (* 1/3 (log (/ 1 x))) in x
1.026 * [taylor]: Taking taylor expansion of 1/3 in x
1.026 * [taylor]: Taking taylor expansion of (log (/ 1 x)) in x
1.026 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.026 * [taylor]: Taking taylor expansion of x in x
1.089 * * * * [progress]: [ 3 / 4 ] generating series at (2 1 1 2)
1.089 * [approximate]: Taking taylor expansion of (pow x 1/3) in (x) around 0
1.089 * [taylor]: Taking taylor expansion of (pow x 1/3) in x
1.089 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log x))) in x
1.089 * [taylor]: Taking taylor expansion of (* 1/3 (log x)) in x
1.089 * [taylor]: Taking taylor expansion of 1/3 in x
1.089 * [taylor]: Taking taylor expansion of (log x) in x
1.089 * [taylor]: Taking taylor expansion of x in x
1.090 * [taylor]: Taking taylor expansion of (pow x 1/3) in x
1.090 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log x))) in x
1.090 * [taylor]: Taking taylor expansion of (* 1/3 (log x)) in x
1.090 * [taylor]: Taking taylor expansion of 1/3 in x
1.090 * [taylor]: Taking taylor expansion of (log x) in x
1.090 * [taylor]: Taking taylor expansion of x in x
1.145 * [approximate]: Taking taylor expansion of (pow (/ 1 x) 1/3) in (x) around 0
1.145 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 1/3) in x
1.146 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (/ 1 x)))) in x
1.146 * [taylor]: Taking taylor expansion of (* 1/3 (log (/ 1 x))) in x
1.146 * [taylor]: Taking taylor expansion of 1/3 in x
1.146 * [taylor]: Taking taylor expansion of (log (/ 1 x)) in x
1.146 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.146 * [taylor]: Taking taylor expansion of x in x
1.147 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 1/3) in x
1.147 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (/ 1 x)))) in x
1.147 * [taylor]: Taking taylor expansion of (* 1/3 (log (/ 1 x))) in x
1.147 * [taylor]: Taking taylor expansion of 1/3 in x
1.147 * [taylor]: Taking taylor expansion of (log (/ 1 x)) in x
1.147 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.147 * [taylor]: Taking taylor expansion of x in x
1.206 * [approximate]: Taking taylor expansion of (* (cbrt -1) (pow (/ 1 x) 1/3)) in (x) around 0
1.206 * [taylor]: Taking taylor expansion of (* (cbrt -1) (pow (/ 1 x) 1/3)) in x
1.206 * [taylor]: Taking taylor expansion of (cbrt -1) in x
1.206 * [taylor]: Taking taylor expansion of -1 in x
1.207 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 1/3) in x
1.207 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (/ 1 x)))) in x
1.207 * [taylor]: Taking taylor expansion of (* 1/3 (log (/ 1 x))) in x
1.207 * [taylor]: Taking taylor expansion of 1/3 in x
1.207 * [taylor]: Taking taylor expansion of (log (/ 1 x)) in x
1.207 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.207 * [taylor]: Taking taylor expansion of x in x
1.208 * [taylor]: Taking taylor expansion of (* (cbrt -1) (pow (/ 1 x) 1/3)) in x
1.208 * [taylor]: Taking taylor expansion of (cbrt -1) in x
1.208 * [taylor]: Taking taylor expansion of -1 in x
1.208 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 1/3) in x
1.208 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (/ 1 x)))) in x
1.208 * [taylor]: Taking taylor expansion of (* 1/3 (log (/ 1 x))) in x
1.208 * [taylor]: Taking taylor expansion of 1/3 in x
1.208 * [taylor]: Taking taylor expansion of (log (/ 1 x)) in x
1.208 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.208 * [taylor]: Taking taylor expansion of x in x
1.278 * * * * [progress]: [ 4 / 4 ] generating series at (2 1 1 1)
1.278 * [approximate]: Taking taylor expansion of (pow x 1/3) in (x) around 0
1.278 * [taylor]: Taking taylor expansion of (pow x 1/3) in x
1.278 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log x))) in x
1.278 * [taylor]: Taking taylor expansion of (* 1/3 (log x)) in x
1.278 * [taylor]: Taking taylor expansion of 1/3 in x
1.278 * [taylor]: Taking taylor expansion of (log x) in x
1.278 * [taylor]: Taking taylor expansion of x in x
1.278 * [taylor]: Taking taylor expansion of (pow x 1/3) in x
1.278 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log x))) in x
1.278 * [taylor]: Taking taylor expansion of (* 1/3 (log x)) in x
1.278 * [taylor]: Taking taylor expansion of 1/3 in x
1.278 * [taylor]: Taking taylor expansion of (log x) in x
1.278 * [taylor]: Taking taylor expansion of x in x
1.326 * [approximate]: Taking taylor expansion of (pow (/ 1 x) 1/3) in (x) around 0
1.326 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 1/3) in x
1.326 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (/ 1 x)))) in x
1.326 * [taylor]: Taking taylor expansion of (* 1/3 (log (/ 1 x))) in x
1.326 * [taylor]: Taking taylor expansion of 1/3 in x
1.326 * [taylor]: Taking taylor expansion of (log (/ 1 x)) in x
1.326 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.326 * [taylor]: Taking taylor expansion of x in x
1.327 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 1/3) in x
1.327 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (/ 1 x)))) in x
1.327 * [taylor]: Taking taylor expansion of (* 1/3 (log (/ 1 x))) in x
1.327 * [taylor]: Taking taylor expansion of 1/3 in x
1.327 * [taylor]: Taking taylor expansion of (log (/ 1 x)) in x
1.327 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.327 * [taylor]: Taking taylor expansion of x in x
1.384 * [approximate]: Taking taylor expansion of (* (cbrt -1) (pow (/ 1 x) 1/3)) in (x) around 0
1.384 * [taylor]: Taking taylor expansion of (* (cbrt -1) (pow (/ 1 x) 1/3)) in x
1.384 * [taylor]: Taking taylor expansion of (cbrt -1) in x
1.384 * [taylor]: Taking taylor expansion of -1 in x
1.385 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 1/3) in x
1.385 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (/ 1 x)))) in x
1.385 * [taylor]: Taking taylor expansion of (* 1/3 (log (/ 1 x))) in x
1.385 * [taylor]: Taking taylor expansion of 1/3 in x
1.385 * [taylor]: Taking taylor expansion of (log (/ 1 x)) in x
1.385 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.385 * [taylor]: Taking taylor expansion of x in x
1.386 * [taylor]: Taking taylor expansion of (* (cbrt -1) (pow (/ 1 x) 1/3)) in x
1.386 * [taylor]: Taking taylor expansion of (cbrt -1) in x
1.386 * [taylor]: Taking taylor expansion of -1 in x
1.386 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 1/3) in x
1.387 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (/ 1 x)))) in x
1.387 * [taylor]: Taking taylor expansion of (* 1/3 (log (/ 1 x))) in x
1.387 * [taylor]: Taking taylor expansion of 1/3 in x
1.387 * [taylor]: Taking taylor expansion of (log (/ 1 x)) in x
1.387 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.387 * [taylor]: Taking taylor expansion of x in x
1.454 * * * [progress]: simplifying candidates
1.455 * [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))
1.459 * * [simplify]: iteration  0 :  113  enodes  (cost  230 )
1.461 * * [simplify]: iteration  1 :  330  enodes  (cost  218 )
1.468 * * [simplify]: iteration  2 :  1201  enodes  (cost  212 )
1.500 * * [simplify]: iteration  3 :  5002  enodes  (cost  207 )
1.502 * [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))
1.502 * * * [progress]: adding candidates to table
1.698 * [progress]: [Phase 3 of 3] Extracting.
1.699 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (fma (pow (* (cbrt x) (cbrt x)) 4.0) (pow (cbrt x) 4.0) (- (pow y 4.0))))> #<alt (λ (x y) (- (pow x 4.0) (pow y 4.0)))>)
1.699 * * * [regime-changes]: Trying 5 branch expressions: ((pow y 4.0) (pow x 4.0) (- (pow x 4.0) (pow y 4.0)) y x)
1.699 * * * * [regimes]: Trying to branch on (pow y 4.0) from (#<alt (λ (x y) (fma (pow (* (cbrt x) (cbrt x)) 4.0) (pow (cbrt x) 4.0) (- (pow y 4.0))))> #<alt (λ (x y) (- (pow x 4.0) (pow y 4.0)))>)
1.713 * * * * [regimes]: Trying to branch on (pow x 4.0) from (#<alt (λ (x y) (fma (pow (* (cbrt x) (cbrt x)) 4.0) (pow (cbrt x) 4.0) (- (pow y 4.0))))> #<alt (λ (x y) (- (pow x 4.0) (pow y 4.0)))>)
1.731 * * * * [regimes]: Trying to branch on (- (pow x 4.0) (pow y 4.0)) from (#<alt (λ (x y) (fma (pow (* (cbrt x) (cbrt x)) 4.0) (pow (cbrt x) 4.0) (- (pow y 4.0))))> #<alt (λ (x y) (- (pow x 4.0) (pow y 4.0)))>)
1.751 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (fma (pow (* (cbrt x) (cbrt x)) 4.0) (pow (cbrt x) 4.0) (- (pow y 4.0))))> #<alt (λ (x y) (- (pow x 4.0) (pow y 4.0)))>)
1.763 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (fma (pow (* (cbrt x) (cbrt x)) 4.0) (pow (cbrt x) 4.0) (- (pow y 4.0))))> #<alt (λ (x y) (- (pow x 4.0) (pow y 4.0)))>)
1.777 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
1.778 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (pow x 4.0) (pow y 4.0))
1.778 * * [simplify]: iteration  0 :  6  enodes  (cost  3 )
1.778 * [simplify]: Simplified to:
   (- (pow x 4.0) (pow y 4.0))
3.258 * [regime-testing]: Baseline error score: 0.0018752344043005376
3.259 * [regime-testing]: Oracle error score: 0.0017502187773471684
3.260 * [regime-testing]: End program error score: 0.0018752344043005376