29.917 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.011 * * * [progress]: [2/2] Setting up program.
0.012 * [progress]: [Phase 2 of 3] Improving.
0.012 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (+ x y) (+ y y))
0.015 * * [simplify]: iteration  0 :  8  enodes  (cost  3 )
0.016 * * [simplify]: iteration  1 :  11  enodes  (cost  3 )
0.017 * * [simplify]: iteration  2 :  13  enodes  (cost  3 )
0.018 * * [simplify]: iteration  3 :  13  enodes  (cost  3 )
0.018 * [simplify]: Simplified to:
   (/ (+ x y) (+ y y))
0.018 * * [progress]: iteration 1 / 4
0.018 * * * [progress]: picking best candidate
0.019 * * * * [pick]: Picked  #<alt (λ (x y) (/ (+ x y) (+ y y)))>
0.019 * * * [progress]: localizing error
0.023 * * * [progress]: generating rewritten candidates
0.023 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.027 * * * [progress]: generating series expansions
0.027 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.028 * [approximate]: Taking taylor expansion of (* 1/2 (/ (+ x y) y)) in (x y) around 0
0.028 * [taylor]: Taking taylor expansion of (* 1/2 (/ (+ x y) y)) in y
0.028 * [taylor]: Taking taylor expansion of 1/2 in y
0.028 * [taylor]: Taking taylor expansion of (/ (+ x y) y) in y
0.028 * [taylor]: Taking taylor expansion of (+ x y) in y
0.028 * [taylor]: Taking taylor expansion of x in y
0.028 * [taylor]: Taking taylor expansion of y in y
0.028 * [taylor]: Taking taylor expansion of y in y
0.028 * [taylor]: Taking taylor expansion of (* 1/2 (/ (+ x y) y)) in x
0.028 * [taylor]: Taking taylor expansion of 1/2 in x
0.028 * [taylor]: Taking taylor expansion of (/ (+ x y) y) in x
0.028 * [taylor]: Taking taylor expansion of (+ x y) in x
0.028 * [taylor]: Taking taylor expansion of x in x
0.028 * [taylor]: Taking taylor expansion of y in x
0.028 * [taylor]: Taking taylor expansion of y in x
0.028 * [taylor]: Taking taylor expansion of (* 1/2 (/ (+ x y) y)) in x
0.028 * [taylor]: Taking taylor expansion of 1/2 in x
0.028 * [taylor]: Taking taylor expansion of (/ (+ x y) y) in x
0.028 * [taylor]: Taking taylor expansion of (+ x y) in x
0.028 * [taylor]: Taking taylor expansion of x in x
0.028 * [taylor]: Taking taylor expansion of y in x
0.028 * [taylor]: Taking taylor expansion of y in x
0.029 * [taylor]: Taking taylor expansion of 1/2 in y
0.029 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in y
0.029 * [taylor]: Taking taylor expansion of 1/2 in y
0.029 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.029 * [taylor]: Taking taylor expansion of y in y
0.031 * [taylor]: Taking taylor expansion of 0 in y
0.033 * [taylor]: Taking taylor expansion of 0 in y
0.035 * [taylor]: Taking taylor expansion of 0 in y
0.035 * [approximate]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in (x y) around 0
0.035 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in y
0.035 * [taylor]: Taking taylor expansion of 1/2 in y
0.035 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) y) in y
0.035 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.035 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.035 * [taylor]: Taking taylor expansion of y in y
0.036 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.036 * [taylor]: Taking taylor expansion of x in y
0.036 * [taylor]: Taking taylor expansion of y in y
0.036 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in x
0.036 * [taylor]: Taking taylor expansion of 1/2 in x
0.036 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) y) in x
0.036 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.036 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.036 * [taylor]: Taking taylor expansion of y in x
0.036 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.036 * [taylor]: Taking taylor expansion of x in x
0.036 * [taylor]: Taking taylor expansion of y in x
0.036 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in x
0.036 * [taylor]: Taking taylor expansion of 1/2 in x
0.036 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) y) in x
0.036 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.036 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.036 * [taylor]: Taking taylor expansion of y in x
0.036 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.036 * [taylor]: Taking taylor expansion of x in x
0.037 * [taylor]: Taking taylor expansion of y in x
0.037 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
0.037 * [taylor]: Taking taylor expansion of 1/2 in y
0.037 * [taylor]: Taking taylor expansion of y in y
0.038 * [taylor]: Taking taylor expansion of 1/2 in y
0.040 * [taylor]: Taking taylor expansion of 0 in y
0.043 * [taylor]: Taking taylor expansion of 0 in y
0.046 * [taylor]: Taking taylor expansion of 0 in y
0.046 * [approximate]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in (x y) around 0
0.046 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in y
0.046 * [taylor]: Taking taylor expansion of 1/2 in y
0.046 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) y) in y
0.046 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.046 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.046 * [taylor]: Taking taylor expansion of y in y
0.046 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.046 * [taylor]: Taking taylor expansion of x in y
0.047 * [taylor]: Taking taylor expansion of y in y
0.047 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in x
0.047 * [taylor]: Taking taylor expansion of 1/2 in x
0.047 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) y) in x
0.047 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.047 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.047 * [taylor]: Taking taylor expansion of y in x
0.047 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.047 * [taylor]: Taking taylor expansion of x in x
0.047 * [taylor]: Taking taylor expansion of y in x
0.047 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in x
0.047 * [taylor]: Taking taylor expansion of 1/2 in x
0.047 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) y) in x
0.047 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.047 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.047 * [taylor]: Taking taylor expansion of y in x
0.047 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.047 * [taylor]: Taking taylor expansion of x in x
0.047 * [taylor]: Taking taylor expansion of y in x
0.048 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
0.048 * [taylor]: Taking taylor expansion of 1/2 in y
0.048 * [taylor]: Taking taylor expansion of y in y
0.049 * [taylor]: Taking taylor expansion of 1/2 in y
0.051 * [taylor]: Taking taylor expansion of 0 in y
0.054 * [taylor]: Taking taylor expansion of 0 in y
0.057 * [taylor]: Taking taylor expansion of 0 in y
0.057 * * * [progress]: simplifying candidates
0.057 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (+ x y))
  (- (+ y y))
  (/ 1 (+ y y))
  (/ (+ y y) (+ x y))
  (/ (+ x y) 2)
  (/ (+ x y) (+ (pow y 3) (pow y 3)))
  (/ (+ x y) (- (* y y) (* y y)))
  (* (+ y y) (+ (* x x) (- (* y y) (* x y))))
  (* (+ y y) (- x y))
  (+ (* 1/2 (/ x y)) 1/2)
  (+ (* 1/2 (/ x y)) 1/2)
  (+ (* 1/2 (/ x y)) 1/2)
0.060 * * [simplify]: iteration  0 :  68  enodes  (cost  39 )
0.062 * * [simplify]: iteration  1 :  184  enodes  (cost  35 )
0.066 * * [simplify]: iteration  2 :  535  enodes  (cost  35 )
0.081 * * [simplify]: iteration  3 :  2410  enodes  (cost  35 )
0.264 * * [simplify]: iteration  4 :  5001  enodes  (cost  35 )
0.265 * [simplify]: Simplified to:
   (- (+ x y))
  (- (+ y y))
  (/ 1/2 y)
  (/ (+ y y) (+ x y))
  (/ (+ x y) 2)
  (/ (/ (+ x y) 2) (pow y 3))
  (/ (/ (+ x y) y) 0)
  (* (+ (* y (- y x)) (* x x)) (+ y y))
  (* (+ y y) (- x y))
  (+ (* 1/2 (/ x y)) 1/2)
  (+ (* 1/2 (/ x y)) 1/2)
  (+ (* 1/2 (/ x y)) 1/2)
0.265 * * * [progress]: adding candidates to table
0.286 * * [progress]: iteration 2 / 4
0.286 * * * [progress]: picking best candidate
0.289 * * * * [pick]: Picked  #<alt (λ (x y) (+ (* 1/2 (/ x y)) 1/2))>
0.289 * * * [progress]: localizing error
0.293 * * * [progress]: generating rewritten candidates
0.293 * * * * [progress]: [ 1 / 2 ] rewriting at (2 1)
0.296 * * * * [progress]: [ 2 / 2 ] rewriting at (2)
0.301 * * * [progress]: generating series expansions
0.301 * * * * [progress]: [ 1 / 2 ] generating series at (2 1)
0.301 * [approximate]: Taking taylor expansion of (* 1/2 (/ x y)) in (x y) around 0
0.301 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
0.301 * [taylor]: Taking taylor expansion of 1/2 in y
0.301 * [taylor]: Taking taylor expansion of (/ x y) in y
0.301 * [taylor]: Taking taylor expansion of x in y
0.301 * [taylor]: Taking taylor expansion of y in y
0.301 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
0.301 * [taylor]: Taking taylor expansion of 1/2 in x
0.301 * [taylor]: Taking taylor expansion of (/ x y) in x
0.301 * [taylor]: Taking taylor expansion of x in x
0.301 * [taylor]: Taking taylor expansion of y in x
0.301 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
0.301 * [taylor]: Taking taylor expansion of 1/2 in x
0.301 * [taylor]: Taking taylor expansion of (/ x y) in x
0.301 * [taylor]: Taking taylor expansion of x in x
0.301 * [taylor]: Taking taylor expansion of y in x
0.301 * [taylor]: Taking taylor expansion of (/ 1/2 y) in y
0.301 * [taylor]: Taking taylor expansion of 1/2 in y
0.301 * [taylor]: Taking taylor expansion of y in y
0.302 * [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 0 in y
0.305 * [approximate]: Taking taylor expansion of (* 1/2 (/ y x)) in (x y) around 0
0.305 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in y
0.306 * [taylor]: Taking taylor expansion of 1/2 in y
0.306 * [taylor]: Taking taylor expansion of (/ y x) in y
0.306 * [taylor]: Taking taylor expansion of y in y
0.306 * [taylor]: Taking taylor expansion of x in y
0.306 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
0.306 * [taylor]: Taking taylor expansion of 1/2 in x
0.306 * [taylor]: Taking taylor expansion of (/ y x) in x
0.306 * [taylor]: Taking taylor expansion of y in x
0.306 * [taylor]: Taking taylor expansion of x in x
0.306 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
0.306 * [taylor]: Taking taylor expansion of 1/2 in x
0.306 * [taylor]: Taking taylor expansion of (/ y x) in x
0.306 * [taylor]: Taking taylor expansion of y in x
0.306 * [taylor]: Taking taylor expansion of x in x
0.306 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
0.306 * [taylor]: Taking taylor expansion of 1/2 in y
0.306 * [taylor]: Taking taylor expansion of y in y
0.307 * [taylor]: Taking taylor expansion of 0 in y
0.309 * [taylor]: Taking taylor expansion of 0 in y
0.312 * [taylor]: Taking taylor expansion of 0 in y
0.312 * [approximate]: Taking taylor expansion of (* 1/2 (/ y x)) in (x y) around 0
0.312 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in y
0.312 * [taylor]: Taking taylor expansion of 1/2 in y
0.312 * [taylor]: Taking taylor expansion of (/ y x) in y
0.312 * [taylor]: Taking taylor expansion of y in y
0.312 * [taylor]: Taking taylor expansion of x in y
0.312 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
0.312 * [taylor]: Taking taylor expansion of 1/2 in x
0.312 * [taylor]: Taking taylor expansion of (/ y x) in x
0.312 * [taylor]: Taking taylor expansion of y in x
0.312 * [taylor]: Taking taylor expansion of x in x
0.312 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
0.312 * [taylor]: Taking taylor expansion of 1/2 in x
0.312 * [taylor]: Taking taylor expansion of (/ y x) in x
0.312 * [taylor]: Taking taylor expansion of y in x
0.312 * [taylor]: Taking taylor expansion of x in x
0.312 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
0.312 * [taylor]: Taking taylor expansion of 1/2 in y
0.312 * [taylor]: Taking taylor expansion of y in y
0.313 * [taylor]: Taking taylor expansion of 0 in y
0.316 * [taylor]: Taking taylor expansion of 0 in y
0.318 * [taylor]: Taking taylor expansion of 0 in y
0.318 * * * * [progress]: [ 2 / 2 ] generating series at (2)
0.319 * [approximate]: Taking taylor expansion of (+ (* 1/2 (/ x y)) 1/2) in (x y) around 0
0.319 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ x y)) 1/2) in y
0.319 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
0.319 * [taylor]: Taking taylor expansion of 1/2 in y
0.319 * [taylor]: Taking taylor expansion of (/ x y) in y
0.319 * [taylor]: Taking taylor expansion of x in y
0.319 * [taylor]: Taking taylor expansion of y in y
0.319 * [taylor]: Taking taylor expansion of 1/2 in y
0.319 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ x y)) 1/2) in x
0.319 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
0.319 * [taylor]: Taking taylor expansion of 1/2 in x
0.319 * [taylor]: Taking taylor expansion of (/ x y) in x
0.319 * [taylor]: Taking taylor expansion of x in x
0.319 * [taylor]: Taking taylor expansion of y in x
0.319 * [taylor]: Taking taylor expansion of 1/2 in x
0.319 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ x y)) 1/2) in x
0.319 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
0.319 * [taylor]: Taking taylor expansion of 1/2 in x
0.319 * [taylor]: Taking taylor expansion of (/ x y) in x
0.319 * [taylor]: Taking taylor expansion of x in x
0.319 * [taylor]: Taking taylor expansion of y in x
0.319 * [taylor]: Taking taylor expansion of 1/2 in x
0.319 * [taylor]: Taking taylor expansion of 1/2 in y
0.319 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in y
0.319 * [taylor]: Taking taylor expansion of 1/2 in y
0.319 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.319 * [taylor]: Taking taylor expansion of y in y
0.321 * [taylor]: Taking taylor expansion of 0 in y
0.322 * [taylor]: Taking taylor expansion of 0 in y
0.324 * [taylor]: Taking taylor expansion of 0 in y
0.325 * [approximate]: Taking taylor expansion of (+ (* 1/2 (/ y x)) 1/2) in (x y) around 0
0.325 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ y x)) 1/2) in y
0.325 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in y
0.325 * [taylor]: Taking taylor expansion of 1/2 in y
0.325 * [taylor]: Taking taylor expansion of (/ y x) in y
0.325 * [taylor]: Taking taylor expansion of y in y
0.325 * [taylor]: Taking taylor expansion of x in y
0.325 * [taylor]: Taking taylor expansion of 1/2 in y
0.325 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ y x)) 1/2) in x
0.325 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
0.325 * [taylor]: Taking taylor expansion of 1/2 in x
0.325 * [taylor]: Taking taylor expansion of (/ y x) in x
0.325 * [taylor]: Taking taylor expansion of y in x
0.325 * [taylor]: Taking taylor expansion of x in x
0.325 * [taylor]: Taking taylor expansion of 1/2 in x
0.325 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ y x)) 1/2) in x
0.325 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
0.325 * [taylor]: Taking taylor expansion of 1/2 in x
0.325 * [taylor]: Taking taylor expansion of (/ y x) in x
0.325 * [taylor]: Taking taylor expansion of y in x
0.325 * [taylor]: Taking taylor expansion of x in x
0.325 * [taylor]: Taking taylor expansion of 1/2 in x
0.325 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
0.325 * [taylor]: Taking taylor expansion of 1/2 in y
0.325 * [taylor]: Taking taylor expansion of y in y
0.327 * [taylor]: Taking taylor expansion of 1/2 in y
0.329 * [taylor]: Taking taylor expansion of 0 in y
0.331 * [taylor]: Taking taylor expansion of 0 in y
0.332 * [approximate]: Taking taylor expansion of (+ (* 1/2 (/ y x)) 1/2) in (x y) around 0
0.332 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ y x)) 1/2) in y
0.332 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in y
0.332 * [taylor]: Taking taylor expansion of 1/2 in y
0.332 * [taylor]: Taking taylor expansion of (/ y x) in y
0.332 * [taylor]: Taking taylor expansion of y in y
0.332 * [taylor]: Taking taylor expansion of x in y
0.332 * [taylor]: Taking taylor expansion of 1/2 in y
0.332 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ y x)) 1/2) in x
0.332 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
0.332 * [taylor]: Taking taylor expansion of 1/2 in x
0.332 * [taylor]: Taking taylor expansion of (/ y x) in x
0.332 * [taylor]: Taking taylor expansion of y in x
0.332 * [taylor]: Taking taylor expansion of x in x
0.332 * [taylor]: Taking taylor expansion of 1/2 in x
0.332 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ y x)) 1/2) in x
0.332 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
0.332 * [taylor]: Taking taylor expansion of 1/2 in x
0.332 * [taylor]: Taking taylor expansion of (/ y x) in x
0.332 * [taylor]: Taking taylor expansion of y in x
0.332 * [taylor]: Taking taylor expansion of x in x
0.332 * [taylor]: Taking taylor expansion of 1/2 in x
0.332 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
0.332 * [taylor]: Taking taylor expansion of 1/2 in y
0.332 * [taylor]: Taking taylor expansion of y in y
0.333 * [taylor]: Taking taylor expansion of 1/2 in y
0.336 * [taylor]: Taking taylor expansion of 0 in y
0.338 * [taylor]: Taking taylor expansion of 0 in y
0.338 * * * [progress]: simplifying candidates
0.339 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* 1/2 x)
  (* 1/2 x)
  (* 1/2 (- x))
  (* 1/2 1)
  (+ (pow (* 1/2 (/ x y)) 3) (pow 1/2 3))
  (+ (* (* 1/2 (/ x y)) (* 1/2 (/ x y))) (- (* 1/2 1/2) (* (* 1/2 (/ x y)) 1/2)))
  (- (* (* 1/2 (/ x y)) (* 1/2 (/ x y))) (* 1/2 1/2))
  (- (* 1/2 (/ x y)) 1/2)
  (+ (/ x y) 1)
  (* 1/2 (/ x y))
  (* 1/2 (/ x y))
  (* 1/2 (/ x y))
  (+ (* 1/2 (/ x y)) 1/2)
  (+ (* 1/2 (/ x y)) 1/2)
  (+ (* 1/2 (/ x y)) 1/2)
0.341 * * [simplify]: iteration  0 :  61  enodes  (cost  43 )
0.344 * * [simplify]: iteration  1 :  247  enodes  (cost  43 )
0.350 * * [simplify]: iteration  2 :  950  enodes  (cost  40 )
0.372 * * [simplify]: iteration  3 :  2891  enodes  (cost  39 )
0.429 * * [simplify]: iteration  4 :  5001  enodes  (cost  39 )
0.429 * [simplify]: Simplified to:
   (* 1/2 x)
  (* 1/2 x)
  (* 1/2 (- x))
  1/2
  (+ (pow (* 1/2 (/ x y)) 3) 1/8)
  (+ (* (* 1/4 (/ x y)) (- (/ x y) 1)) 1/4)
  (* 1/4 (- (* (/ x y) (/ x y)) 1))
  (- (* 1/2 (/ x y)) 1/2)
  (+ (/ x y) 1)
  (* 1/2 (/ x y))
  (* 1/2 (/ x y))
  (* 1/2 (/ x y))
  (+ (* 1/2 (/ x y)) 1/2)
  (+ (* 1/2 (/ x y)) 1/2)
  (+ (* 1/2 (/ x y)) 1/2)
0.430 * * * [progress]: adding candidates to table
0.450 * * [progress]: iteration 3 / 4
0.450 * * * [progress]: picking best candidate
0.452 * * * * [pick]: Picked  #<alt (λ (x y) (* (/ (/ (+ x y) 2) (pow y 3)) (+ (* y y) (- (* y y) (* y y)))))>
0.452 * * * [progress]: localizing error
0.463 * * * [progress]: generating rewritten candidates
0.463 * * * * [progress]: [ 1 / 3 ] rewriting at (2)
0.479 * * * * [progress]: [ 2 / 3 ] rewriting at (2 2 2)
0.484 * * * * [progress]: [ 3 / 3 ] rewriting at (2 1)
0.492 * * * [progress]: generating series expansions
0.492 * * * * [progress]: [ 1 / 3 ] generating series at (2)
0.492 * [approximate]: Taking taylor expansion of (* 1/2 (/ (+ x y) y)) in (x y) around 0
0.492 * [taylor]: Taking taylor expansion of (* 1/2 (/ (+ x y) y)) in y
0.492 * [taylor]: Taking taylor expansion of 1/2 in y
0.492 * [taylor]: Taking taylor expansion of (/ (+ x y) y) in y
0.492 * [taylor]: Taking taylor expansion of (+ x y) in y
0.492 * [taylor]: Taking taylor expansion of x in y
0.492 * [taylor]: Taking taylor expansion of y in y
0.492 * [taylor]: Taking taylor expansion of y in y
0.492 * [taylor]: Taking taylor expansion of (* 1/2 (/ (+ x y) y)) in x
0.492 * [taylor]: Taking taylor expansion of 1/2 in x
0.492 * [taylor]: Taking taylor expansion of (/ (+ x y) y) in x
0.493 * [taylor]: Taking taylor expansion of (+ x y) in x
0.493 * [taylor]: Taking taylor expansion of x in x
0.493 * [taylor]: Taking taylor expansion of y in x
0.493 * [taylor]: Taking taylor expansion of y in x
0.493 * [taylor]: Taking taylor expansion of (* 1/2 (/ (+ x y) y)) in x
0.493 * [taylor]: Taking taylor expansion of 1/2 in x
0.493 * [taylor]: Taking taylor expansion of (/ (+ x y) y) in x
0.493 * [taylor]: Taking taylor expansion of (+ x y) in x
0.493 * [taylor]: Taking taylor expansion of x in x
0.493 * [taylor]: Taking taylor expansion of y in x
0.493 * [taylor]: Taking taylor expansion of y in x
0.493 * [taylor]: Taking taylor expansion of 1/2 in y
0.494 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in y
0.494 * [taylor]: Taking taylor expansion of 1/2 in y
0.494 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.494 * [taylor]: Taking taylor expansion of y in y
0.495 * [taylor]: Taking taylor expansion of 0 in y
0.497 * [taylor]: Taking taylor expansion of 0 in y
0.500 * [taylor]: Taking taylor expansion of 0 in y
0.500 * [approximate]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in (x y) around 0
0.500 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in y
0.500 * [taylor]: Taking taylor expansion of 1/2 in y
0.500 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) y) in y
0.500 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.500 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.500 * [taylor]: Taking taylor expansion of y in y
0.501 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.501 * [taylor]: Taking taylor expansion of x in y
0.501 * [taylor]: Taking taylor expansion of y in y
0.501 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in x
0.501 * [taylor]: Taking taylor expansion of 1/2 in x
0.501 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) y) in x
0.501 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.501 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.501 * [taylor]: Taking taylor expansion of y in x
0.501 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.501 * [taylor]: Taking taylor expansion of x in x
0.501 * [taylor]: Taking taylor expansion of y in x
0.501 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in x
0.501 * [taylor]: Taking taylor expansion of 1/2 in x
0.501 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) y) in x
0.501 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.501 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.501 * [taylor]: Taking taylor expansion of y in x
0.501 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.501 * [taylor]: Taking taylor expansion of x in x
0.502 * [taylor]: Taking taylor expansion of y in x
0.502 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
0.502 * [taylor]: Taking taylor expansion of 1/2 in y
0.502 * [taylor]: Taking taylor expansion of y in y
0.503 * [taylor]: Taking taylor expansion of 1/2 in y
0.505 * [taylor]: Taking taylor expansion of 0 in y
0.508 * [taylor]: Taking taylor expansion of 0 in y
0.511 * [taylor]: Taking taylor expansion of 0 in y
0.511 * [approximate]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in (x y) around 0
0.511 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in y
0.511 * [taylor]: Taking taylor expansion of 1/2 in y
0.511 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) y) in y
0.511 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.511 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.511 * [taylor]: Taking taylor expansion of y in y
0.512 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.512 * [taylor]: Taking taylor expansion of x in y
0.512 * [taylor]: Taking taylor expansion of y in y
0.512 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in x
0.512 * [taylor]: Taking taylor expansion of 1/2 in x
0.512 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) y) in x
0.512 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.512 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.512 * [taylor]: Taking taylor expansion of y in x
0.512 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.512 * [taylor]: Taking taylor expansion of x in x
0.512 * [taylor]: Taking taylor expansion of y in x
0.512 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in x
0.512 * [taylor]: Taking taylor expansion of 1/2 in x
0.512 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) y) in x
0.512 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.512 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.512 * [taylor]: Taking taylor expansion of y in x
0.512 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.512 * [taylor]: Taking taylor expansion of x in x
0.513 * [taylor]: Taking taylor expansion of y in x
0.513 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
0.513 * [taylor]: Taking taylor expansion of 1/2 in y
0.513 * [taylor]: Taking taylor expansion of y in y
0.514 * [taylor]: Taking taylor expansion of 1/2 in y
0.516 * [taylor]: Taking taylor expansion of 0 in y
0.522 * [taylor]: Taking taylor expansion of 0 in y
0.525 * [taylor]: Taking taylor expansion of 0 in y
0.525 * * * * [progress]: [ 2 / 3 ] generating series at (2 2 2)
0.525 * [approximate]: Taking taylor expansion of 0 in (y) around 0
0.525 * [taylor]: Taking taylor expansion of 0 in y
0.525 * [taylor]: Taking taylor expansion of 0 in y
0.525 * [approximate]: Taking taylor expansion of 0 in (y) around 0
0.525 * [taylor]: Taking taylor expansion of 0 in y
0.525 * [taylor]: Taking taylor expansion of 0 in y
0.526 * [approximate]: Taking taylor expansion of 0 in (y) around 0
0.526 * [taylor]: Taking taylor expansion of 0 in y
0.526 * [taylor]: Taking taylor expansion of 0 in y
0.526 * * * * [progress]: [ 3 / 3 ] generating series at (2 1)
0.526 * [approximate]: Taking taylor expansion of (* 1/2 (/ (+ x y) (pow y 3))) in (x y) around 0
0.526 * [taylor]: Taking taylor expansion of (* 1/2 (/ (+ x y) (pow y 3))) in y
0.526 * [taylor]: Taking taylor expansion of 1/2 in y
0.526 * [taylor]: Taking taylor expansion of (/ (+ x y) (pow y 3)) in y
0.526 * [taylor]: Taking taylor expansion of (+ x y) in y
0.526 * [taylor]: Taking taylor expansion of x in y
0.526 * [taylor]: Taking taylor expansion of y in y
0.526 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.526 * [taylor]: Taking taylor expansion of y in y
0.527 * [taylor]: Taking taylor expansion of (* 1/2 (/ (+ x y) (pow y 3))) in x
0.527 * [taylor]: Taking taylor expansion of 1/2 in x
0.527 * [taylor]: Taking taylor expansion of (/ (+ x y) (pow y 3)) in x
0.527 * [taylor]: Taking taylor expansion of (+ x y) in x
0.527 * [taylor]: Taking taylor expansion of x in x
0.527 * [taylor]: Taking taylor expansion of y in x
0.527 * [taylor]: Taking taylor expansion of (pow y 3) in x
0.527 * [taylor]: Taking taylor expansion of y in x
0.527 * [taylor]: Taking taylor expansion of (* 1/2 (/ (+ x y) (pow y 3))) in x
0.527 * [taylor]: Taking taylor expansion of 1/2 in x
0.527 * [taylor]: Taking taylor expansion of (/ (+ x y) (pow y 3)) in x
0.527 * [taylor]: Taking taylor expansion of (+ x y) in x
0.527 * [taylor]: Taking taylor expansion of x in x
0.527 * [taylor]: Taking taylor expansion of y in x
0.527 * [taylor]: Taking taylor expansion of (pow y 3) in x
0.527 * [taylor]: Taking taylor expansion of y in x
0.527 * [taylor]: Taking taylor expansion of (/ 1/2 (pow y 2)) in y
0.527 * [taylor]: Taking taylor expansion of 1/2 in y
0.527 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.527 * [taylor]: Taking taylor expansion of y in y
0.529 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 (pow y 3))) in y
0.529 * [taylor]: Taking taylor expansion of 1/2 in y
0.529 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.529 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.529 * [taylor]: Taking taylor expansion of y in y
0.532 * [taylor]: Taking taylor expansion of 0 in y
0.537 * [taylor]: Taking taylor expansion of 0 in y
0.543 * [taylor]: Taking taylor expansion of 0 in y
0.547 * [approximate]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) (pow y 3))) in (x y) around 0
0.547 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) (pow y 3))) in y
0.547 * [taylor]: Taking taylor expansion of 1/2 in y
0.547 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (pow y 3)) in y
0.547 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.547 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.547 * [taylor]: Taking taylor expansion of y in y
0.547 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.547 * [taylor]: Taking taylor expansion of x in y
0.547 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.547 * [taylor]: Taking taylor expansion of y in y
0.547 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) (pow y 3))) in x
0.547 * [taylor]: Taking taylor expansion of 1/2 in x
0.547 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (pow y 3)) in x
0.547 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.547 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.547 * [taylor]: Taking taylor expansion of y in x
0.547 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.547 * [taylor]: Taking taylor expansion of x in x
0.548 * [taylor]: Taking taylor expansion of (pow y 3) in x
0.548 * [taylor]: Taking taylor expansion of y in x
0.548 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) (pow y 3))) in x
0.548 * [taylor]: Taking taylor expansion of 1/2 in x
0.548 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (pow y 3)) in x
0.548 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.548 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.548 * [taylor]: Taking taylor expansion of y in x
0.548 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.548 * [taylor]: Taking taylor expansion of x in x
0.548 * [taylor]: Taking taylor expansion of (pow y 3) in x
0.548 * [taylor]: Taking taylor expansion of y in x
0.549 * [taylor]: Taking taylor expansion of (* 1/2 (pow y 3)) in y
0.549 * [taylor]: Taking taylor expansion of 1/2 in y
0.549 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.549 * [taylor]: Taking taylor expansion of y in y
0.550 * [taylor]: Taking taylor expansion of (* 1/2 (pow y 2)) in y
0.550 * [taylor]: Taking taylor expansion of 1/2 in y
0.550 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.550 * [taylor]: Taking taylor expansion of y in y
0.553 * [taylor]: Taking taylor expansion of 0 in y
0.558 * [taylor]: Taking taylor expansion of 0 in y
0.560 * [approximate]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) (pow y 3))) in (x y) around 0
0.560 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) (pow y 3))) in y
0.560 * [taylor]: Taking taylor expansion of 1/2 in y
0.560 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (pow y 3)) in y
0.560 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.560 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.560 * [taylor]: Taking taylor expansion of y in y
0.560 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.560 * [taylor]: Taking taylor expansion of x in y
0.560 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.560 * [taylor]: Taking taylor expansion of y in y
0.560 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) (pow y 3))) in x
0.560 * [taylor]: Taking taylor expansion of 1/2 in x
0.560 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (pow y 3)) in x
0.560 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.560 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.560 * [taylor]: Taking taylor expansion of y in x
0.560 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.560 * [taylor]: Taking taylor expansion of x in x
0.561 * [taylor]: Taking taylor expansion of (pow y 3) in x
0.561 * [taylor]: Taking taylor expansion of y in x
0.561 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) (pow y 3))) in x
0.561 * [taylor]: Taking taylor expansion of 1/2 in x
0.561 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (pow y 3)) in x
0.561 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.561 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.561 * [taylor]: Taking taylor expansion of y in x
0.561 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.561 * [taylor]: Taking taylor expansion of x in x
0.561 * [taylor]: Taking taylor expansion of (pow y 3) in x
0.561 * [taylor]: Taking taylor expansion of y in x
0.562 * [taylor]: Taking taylor expansion of (* 1/2 (pow y 3)) in y
0.562 * [taylor]: Taking taylor expansion of 1/2 in y
0.562 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.562 * [taylor]: Taking taylor expansion of y in y
0.563 * [taylor]: Taking taylor expansion of (* 1/2 (pow y 2)) in y
0.563 * [taylor]: Taking taylor expansion of 1/2 in y
0.563 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.563 * [taylor]: Taking taylor expansion of y in y
0.566 * [taylor]: Taking taylor expansion of 0 in y
0.571 * [taylor]: Taking taylor expansion of 0 in y
0.573 * * * [progress]: simplifying candidates
0.574 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (/ (+ x y) 2) (+ (pow (* y y) 3) (pow (- (* y y) (* y y)) 3)))
  (* (pow y 3) (+ (* (* y y) (* y y)) (- (* (- (* y y) (* y y)) (- (* y y) (* y y))) (* (* y y) (- (* y y) (* y y))))))
  (* (/ (+ x y) 2) (- (* (* y y) (* y y)) (* (- (* y y) (* y y)) (- (* y y) (* y y)))))
  (* (pow y 3) (- (* y y) (- (* y y) (* y y))))
  (* (- (/ (+ x y) 2)) (+ (pow (* y y) 3) (pow (- (* y y) (* y y)) 3)))
  (* (- (pow y 3)) (+ (* (* y y) (* y y)) (- (* (- (* y y) (* y y)) (- (* y y) (* y y))) (* (* y y) (- (* y y) (* y y))))))
  (* (- (/ (+ x y) 2)) (- (* (* y y) (* y y)) (* (- (* y y) (* y y)) (- (* y y) (* y y)))))
  (* (- (pow y 3)) (- (* y y) (- (* y y) (* y y))))
  (* 1 (+ (pow (* y y) 3) (pow (- (* y y) (* y y)) 3)))
  (* (/ (pow y 3) (/ (+ x y) 2)) (+ (* (* y y) (* y y)) (- (* (- (* y y) (* y y)) (- (* y y) (* y y))) (* (* y y) (- (* y y) (* y y))))))
  (* 1 (- (* (* y y) (* y y)) (* (- (* y y) (* y y)) (- (* y y) (* y y)))))
  (* (/ (pow y 3) (/ (+ x y) 2)) (- (* y y) (- (* y y) (* y y))))
  (* (/ (/ (+ x y) 2) (* y y)) (+ (pow (* y y) 3) (pow (- (* y y) (* y y)) 3)))
  (* y (+ (* (* y y) (* y y)) (- (* (- (* y y) (* y y)) (- (* y y) (* y y))) (* (* y y) (- (* y y) (* y y))))))
  (* (/ (/ (+ x y) 2) (* y y)) (- (* (* y y) (* y y)) (* (- (* y y) (* y y)) (- (* y y) (* y y)))))
  (* y (- (* y y) (- (* y y) (* y y))))
  (* (/ (/ (+ x y) 2) (pow y (/ 3 2))) (+ (pow (* y y) 3) (pow (- (* y y) (* y y)) 3)))
  (* (pow y (/ 3 2)) (+ (* (* y y) (* y y)) (- (* (- (* y y) (* y y)) (- (* y y) (* y y))) (* (* y y) (- (* y y) (* y y))))))
  (* (/ (/ (+ x y) 2) (pow y (/ 3 2))) (- (* (* y y) (* y y)) (* (- (* y y) (* y y)) (- (* y y) (* y y)))))
  (* (pow y (/ 3 2)) (- (* y y) (- (* y y) (* y y))))
  (* (+ x y) (+ (pow (* y y) 3) (pow (- (* y y) (* y y)) 3)))
  (* (/ (pow y 3) (/ 1 2)) (+ (* (* y y) (* y y)) (- (* (- (* y y) (* y y)) (- (* y y) (* y y))) (* (* y y) (- (* y y) (* y y))))))
  (* (+ x y) (- (* (* y y) (* y y)) (* (- (* y y) (* y y)) (- (* y y) (* y y)))))
  (* (/ (pow y 3) (/ 1 2)) (- (* y y) (- (* y y) (* y y))))
  (* (+ x y) (+ (pow (* y y) 3) (pow (- (* y y) (* y y)) 3)))
  (* (* (pow y 3) 2) (+ (* (* y y) (* y y)) (- (* (- (* y y) (* y y)) (- (* y y) (* y y))) (* (* y y) (- (* y y) (* y y))))))
  (* (+ x y) (- (* (* y y) (* y y)) (* (- (* y y) (* y y)) (- (* y y) (* y y)))))
  (* (* (pow y 3) 2) (- (* y y) (- (* y y) (* y y))))
  (* (- (+ x y)) (+ (pow (* y y) 3) (pow (- (* y y) (* y y)) 3)))
  (* (* (pow y 3) (- 2)) (+ (* (* y y) (* y y)) (- (* (- (* y y) (* y y)) (- (* y y) (* y y))) (* (* y y) (- (* y y) (* y y))))))
  (* (- (+ x y)) (- (* (* y y) (* y y)) (* (- (* y y) (* y y)) (- (* y y) (* y y)))))
  (* (* (pow y 3) (- 2)) (- (* y y) (- (* y y) (* y y))))
  (* 1 (+ (pow (* y y) 3) (pow (- (* y y) (* y y)) 3)))
  (* (* (pow y 3) (/ 2 (+ x y))) (+ (* (* y y) (* y y)) (- (* (- (* y y) (* y y)) (- (* y y) (* y y))) (* (* y y) (- (* y y) (* y y))))))
  (* 1 (- (* (* y y) (* y y)) (* (- (* y y) (* y y)) (- (* y y) (* y y)))))
  (* (* (pow y 3) (/ 2 (+ x y))) (- (* y y) (- (* y y) (* y y))))
  (* (+ (pow x 3) (pow y 3)) (+ (pow (* y y) 3) (pow (- (* y y) (* y y)) 3)))
  (* (* (pow y 3) (* 2 (+ (* x x) (- (* y y) (* x y))))) (+ (* (* y y) (* y y)) (- (* (- (* y y) (* y y)) (- (* y y) (* y y))) (* (* y y) (- (* y y) (* y y))))))
  (* (+ (pow x 3) (pow y 3)) (- (* (* y y) (* y y)) (* (- (* y y) (* y y)) (- (* y y) (* y y)))))
  (* (* (pow y 3) (* 2 (+ (* x x) (- (* y y) (* x y))))) (- (* y y) (- (* y y) (* y y))))
  (* (- (* x x) (* y y)) (+ (pow (* y y) 3) (pow (- (* y y) (* y y)) 3)))
  (* (* (pow y 3) (* 2 (- x y))) (+ (* (* y y) (* y y)) (- (* (- (* y y) (* y y)) (- (* y y) (* y y))) (* (* y y) (- (* y y) (* y y))))))
  (* (- (* x x) (* y y)) (- (* (* y y) (* y y)) (* (- (* y y) (* y y)) (- (* y y) (* y y)))))
  (* (* (pow y 3) (* 2 (- x y))) (- (* y y) (- (* y y) (* y y))))
  (* (/ (/ (+ x y) 2) (pow y 3)) (* y y))
  (* (/ (/ (+ x y) 2) (pow y 3)) (- (* y y) (* y y)))
  (* (/ (/ (+ x y) 2) (pow y 3)) (+ (* y y) (* y y)))
  (* (/ (/ (+ x y) 2) (pow y 3)) (- (* y y)))
  (* (/ (/ (+ x y) 2) (pow y 3)) (+ (* y y) (* y y)))
  (* (/ (/ (+ x y) 2) (pow y 3)) (- (* y y)))
  (* (/ (/ (+ x y) 2) (pow y 3)) (- (* y y) (* y y)))
  (* (/ (/ (+ x y) 2) (pow y 3)) (* y y))
  (* (* y y) (/ (/ (+ x y) 2) (pow y 3)))
  (* (- (* y y) (* y y)) (/ (/ (+ x y) 2) (pow y 3)))
  (* (+ (* y y) (* y y)) (/ (/ (+ x y) 2) (pow y 3)))
  (* (- (* y y)) (/ (/ (+ x y) 2) (pow y 3)))
  (* (+ (* y y) (* y y)) (/ (/ (+ x y) 2) (pow y 3)))
  (* (- (* y y)) (/ (/ (+ x y) 2) (pow y 3)))
  (* (- (* y y) (* y y)) (/ (/ (+ x y) 2) (pow y 3)))
  (* (* y y) (/ (/ (+ x y) 2) (pow y 3)))
  (* (/ (/ (+ x y) 2) (pow y 3)) y)
  (* (/ (/ (+ x y) 2) (pow y 3)) y)
  (* (/ (/ (+ x y) 2) (pow y 3)) y)
  (* (/ (/ (+ x y) 2) (pow y 3)) y)
  (* (/ (/ (+ x y) 2) (pow y 3)) y)
  (* (/ (/ (+ x y) 2) (pow y 3)) y)
  (* (/ (/ (+ x y) 2) (pow y 3)) y)
  (* (/ (/ (+ x y) 2) (pow y 3)) y)
  (* (/ (/ (+ x y) 2) (pow y 3)) y)
  (* (/ (/ (+ x y) 2) (pow y 3)) y)
  (* (/ (/ (+ x y) 2) (pow y 3)) y)
  (* (/ (/ (+ x y) 2) (pow y 3)) y)
  (* (/ (/ (+ x y) 2) (pow y 3)) y)
  (* (/ (/ (+ x y) 2) (pow y 3)) y)
  (* (/ (/ (+ x y) 2) (pow y 3)) y)
  (* (/ (/ (+ x y) 2) (pow y 3)) y)
  (* (/ (/ 1 2) y) (+ (* y y) (- (* y y) (* y y))))
  (* (/ (/ 1 2) (pow y (/ 3 2))) (+ (* y y) (- (* y y) (* y y))))
  (* (/ 1 (pow y 3)) (+ (* y y) (- (* y y) (* y y))))
  (* (/ (/ (+ x y) 2) (pow y 3)) (+ (pow (* y y) 3) (pow (- (* y y) (* y y)) 3)))
  (* (/ (/ (+ x y) 2) (pow y 3)) (- (* (* y y) (* y y)) (* (- (* y y) (* y y)) (- (* y y) (* y y)))))
  (* (/ (+ x y) 2) (+ (* y y) (- (* y y) (* y y))))
  (* (- (/ (+ x y) 2)) (+ (* y y) (- (* y y) (* y y))))
  (* 1 (+ (* y y) (- (* y y) (* y y))))
  (* (/ (/ (+ x y) 2) (* y y)) (+ (* y y) (- (* y y) (* y y))))
  (* (/ (/ (+ x y) 2) (pow y (/ 3 2))) (+ (* y y) (- (* y y) (* y y))))
  (* (+ x y) (+ (* y y) (- (* y y) (* y y))))
  (* (+ x y) (+ (* y y) (- (* y y) (* y y))))
  (* (- (+ x y)) (+ (* y y) (- (* y y) (* y y))))
  (* 1 (+ (* y y) (- (* y y) (* y y))))
  (* (+ (pow x 3) (pow y 3)) (+ (* y y) (- (* y y) (* y y))))
  (* (- (* x x) (* y y)) (+ (* y y) (- (* y y) (* y y))))
  (- (pow (* y y) 3) (pow (* y y) 3))
  (+ (* (* y y) (* y y)) (+ (* (* y y) (* y y)) (* (* y y) (* y y))))
  (- (* y y))
  (- (* (* y y) (* y y)) (* (* y y) (* y y)))
  (+ (* y y) (* y y))
  (+ y y)
  (- y y)
  (+ y y)
  (- y y)
  (+ y y)
  (- y y)
  (+ y y)
  (- y y)
  (- y y)
  (- y y)
  (- y y)
  (- y y)
  (- y y)
  (- y y)
  (- y y)
  (- y y)
  (- (* y y))
  (- (/ (+ x y) 2))
  (- (pow y 3))
  (/ (+ x y) (* y y))
  (/ (/ 1 2) y)
  (/ (+ x y) (pow y (/ 3 2)))
  (/ (/ 1 2) (pow y (/ 3 2)))
  (/ 1 (pow y 3))
  (/ (pow y 3) (/ (+ x y) 2))
  (/ (/ (+ x y) 2) (* y y))
  (/ (/ (+ x y) 2) (pow y (/ 3 2)))
  (/ (pow y 3) (/ 1 2))
  (* (pow y 3) 2)
  (* (pow y 3) (- 2))
  (* (pow y 3) (/ 2 (+ x y)))
  (* (pow y 3) (* 2 (+ (* x x) (- (* y y) (* x y)))))
  (* (pow y 3) (* 2 (- x y)))
  (+ (* 1/2 (/ x y)) 1/2)
  (+ (* 1/2 (/ x y)) 1/2)
  (+ (* 1/2 (/ x y)) 1/2)
  0
  0
  0
  (+ (* 1/2 (/ x (pow y 3))) (* 1/2 (/ 1 (pow y 2))))
  (+ (* 1/2 (/ x (pow y 3))) (* 1/2 (/ 1 (pow y 2))))
  (+ (* 1/2 (/ x (pow y 3))) (* 1/2 (/ 1 (pow y 2))))
0.582 * * [simplify]: iteration  0 :  574  enodes  (cost  802 )
0.598 * * [simplify]: iteration  1 :  4224  enodes  (cost  532 )
1.081 * * [simplify]: iteration  2 :  5001  enodes  (cost  530 )
1.085 * [simplify]: Simplified to:
   (/ (+ x y) (/ 2 (+ (pow (* y y) 3) 0)))
  (* (pow (* y y) 3) y)
  (* (/ (+ x y) 2) (pow y 4))
  (pow y 5)
  (* (* (- (/ (+ x y) 2)) 1) (+ (pow (* y y) 3) 0))
  (* (* (- (pow y 3)) (pow y 3)) y)
  (* (- (/ (+ x y) 2)) (pow y 4))
  (* (- (pow y 2)) (pow y 3))
  (+ (pow (* y y) 3) 0)
  (* (pow y 3) (* (/ 2 (+ x y)) (pow y 4)))
  (pow y 4)
  (* (* (pow y 3) (/ 2 (+ x y))) (pow y 2))
  (* (/ (/ (+ x y) 2) (* y y)) (+ (pow (* y y) 3) 0))
  (pow y 5)
  (* (/ (/ (+ x y) 2) (* y y)) (pow y 4))
  (pow y 3)
  (* (/ (/ (+ x y) 2) (pow y 3/2)) (+ (pow (* y y) 3) 0))
  (* (* (pow y 3/2) (pow y 3)) y)
  (* (/ (/ (+ x y) 2) (pow y 3/2)) (pow y 4))
  (* (pow y 3/2) (pow y 2))
  (* (* (+ x y) 1) (+ (pow (* y y) 3) 0))
  (* 2 (* (pow (* y y) 3) y))
  (* (+ x y) (pow y 4))
  (* (* (pow y 2) (pow y 3)) 2)
  (* (* (+ x y) 1) (+ (pow (* y y) 3) 0))
  (* 2 (* (pow (* y y) 3) y))
  (* (+ x y) (pow y 4))
  (* (* (pow y 2) (pow y 3)) 2)
  (* (* (- (+ x y)) 1) (+ (pow (* y y) 3) 0))
  (* (pow y 3) (* (- 2) (pow y 4)))
  (* (- (+ x y)) (pow y 4))
  (- (* (* (pow y 3) 2) (pow y 2)))
  (+ (pow (* y y) 3) 0)
  (* (pow y 3) (* (/ 2 (+ x y)) (pow y 4)))
  (pow y 4)
  (* (* (pow y 3) (/ 2 (+ x y))) (pow y 2))
  (* (+ (pow x 3) (pow y 3)) (+ (pow (* y y) 3) 0))
  (* (* (pow y 3) 2) (* (+ (* y (- y x)) (* x x)) (pow y 4)))
  (* (+ (pow x 3) (pow y 3)) (pow y 4))
  (* (* (* (+ (* y (- y x)) (* x x)) 2) (pow y 3)) (pow y 2))
  (* (- (* x x) (* y y)) (+ (pow (* y y) 3) 0))
  (* (* (pow y 3) 2) (* (- x y) (pow y 4)))
  (* (- (* x x) (* y y)) (pow y 4))
  (* (* (pow y 3) (* 2 (- x y))) (pow y 2))
  (* (/ (/ (+ x y) 2) (pow y 3)) (* y y))
  0
  (/ (* (/ (+ x y) 2) (* y (+ y y))) (pow y 3))
  (* (/ (/ (+ x y) 2) (pow y 3)) (- (* y y)))
  (/ (* (/ (+ x y) 2) (* y (+ y y))) (pow y 3))
  (* (/ (/ (+ x y) 2) (pow y 3)) (- (* y y)))
  0
  (* (/ (/ (+ x y) 2) (pow y 3)) (* y y))
  (* (/ (/ (+ x y) 2) (pow y 3)) (* y y))
  0
  (/ (* (/ (+ x y) 2) (* y (+ y y))) (pow y 3))
  (* (/ (/ (+ x y) 2) (pow y 3)) (- (* y y)))
  (/ (* (/ (+ x y) 2) (* y (+ y y))) (pow y 3))
  (* (/ (/ (+ x y) 2) (pow y 3)) (- (* y y)))
  0
  (* (/ (/ (+ x y) 2) (pow y 3)) (* y y))
  (* (/ (/ (+ x y) 2) (pow y 3)) y)
  (* (/ (/ (+ x y) 2) (pow y 3)) y)
  (* (/ (/ (+ x y) 2) (pow y 3)) y)
  (* (/ (/ (+ x y) 2) (pow y 3)) y)
  (* (/ (/ (+ x y) 2) (pow y 3)) y)
  (* (/ (/ (+ x y) 2) (pow y 3)) y)
  (* (/ (/ (+ x y) 2) (pow y 3)) y)
  (* (/ (/ (+ x y) 2) (pow y 3)) y)
  (* (/ (/ (+ x y) 2) (pow y 3)) y)
  (* (/ (/ (+ x y) 2) (pow y 3)) y)
  (* (/ (/ (+ x y) 2) (pow y 3)) y)
  (* (/ (/ (+ x y) 2) (pow y 3)) y)
  (* (/ (/ (+ x y) 2) (pow y 3)) y)
  (* (/ (/ (+ x y) 2) (pow y 3)) y)
  (* (/ (/ (+ x y) 2) (pow y 3)) y)
  (* (/ (/ (+ x y) 2) (pow y 3)) y)
  (/ (* (pow y 2) 1/2) y)
  (/ (* (pow y 2) 1/2) (pow y 3/2))
  (/ (pow y 2) (pow y 3))
  (* (/ (/ (+ x y) 2) (pow y 3)) (+ (pow (* y y) 3) 0))
  (* (/ (/ (+ x y) 2) (pow y 3)) (pow y 4))
  (/ (* (pow y 2) (+ x y)) 2)
  (* (- (/ (+ x y) 2)) (pow y 2))
  (pow y 2)
  (/ (* (pow y 2) (/ (/ (+ x y) 2) y)) y)
  (/ (* (pow y 2) (+ x y)) (* (pow y 3/2) 2))
  (* (pow y 2) (+ x y))
  (* (pow y 2) (+ x y))
  (* (- (+ x y)) (pow y 2))
  (pow y 2)
  (* (pow y 2) (+ (pow x 3) (pow y 3)))
  (* (* (pow y 2) (+ x y)) (- x y))
  0
  (* 3 (pow y 4))
  (- 0 (pow y 2))
  0
  (* 2 (pow y 2))
  (+ y y)
  0
  (+ y y)
  0
  (+ y y)
  0
  (+ y y)
  0
  0
  0
  0
  0
  0
  0
  0
  0
  (- 0 (pow y 2))
  (- (/ (+ x y) 2))
  (- (pow y 3))
  (/ (+ x y) (* y y))
  (/ 1/2 y)
  (/ (+ x y) (pow y 3/2))
  (/ 1/2 (pow y 3/2))
  (/ 1 (pow y 3))
  (* (pow y 3) (/ 2 (+ x y)))
  (/ (/ (+ x y) 2) (* y y))
  (/ (/ (+ x y) 2) (pow y 3/2))
  (/ (pow y 3) 1/2)
  (/ (pow y 3) 1/2)
  (* (pow y 3) (- 2))
  (* (pow y 3) (/ 2 (+ x y)))
  (* (* (+ (* y (- y x)) (* x x)) 2) (pow y 3))
  (* (pow y 3) (* 2 (- x y)))
  (+ (* 1/2 (/ x y)) 1/2)
  (+ (* 1/2 (/ x y)) 1/2)
  (+ (* 1/2 (/ x y)) 1/2)
  0
  0
  0
  (* 1/2 (+ (/ x (pow y 3)) (/ 1 (pow y 2))))
  (* 1/2 (+ (/ x (pow y 3)) (/ 1 (pow y 2))))
  (* 1/2 (+ (/ x (pow y 3)) (/ 1 (pow y 2))))
1.086 * * * [progress]: adding candidates to table
1.250 * [progress]: [Phase 3 of 3] Extracting.
1.250 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (* (/ (/ (+ x y) 2) (pow y 3)) (+ (* y y) (- (* y y) (* y y)))))> #<alt (λ (x y) (+ (* 1/2 (/ x y)) 1/2))>)
1.250 * * * [regime-changes]: Trying 2 branch expressions: (y x)
1.250 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (* (/ (/ (+ x y) 2) (pow y 3)) (+ (* y y) (- (* y y) (* y y)))))> #<alt (λ (x y) (+ (* 1/2 (/ x y)) 1/2))>)
1.261 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (* (/ (/ (+ x y) 2) (pow y 3)) (+ (* y y) (- (* y y) (* y y)))))> #<alt (λ (x y) (+ (* 1/2 (/ x y)) 1/2))>)
1.274 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
1.275 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (* 1/2 (/ x y)) 1/2)
1.275 * * [simplify]: iteration  0 :  8  enodes  (cost  3 )
1.276 * * [simplify]: iteration  1 :  8  enodes  (cost  3 )
1.276 * [simplify]: Simplified to:
   (+ (* 1/2 (/ x y)) 1/2)
1.652 * [regime-testing]: Baseline error score: 0.026003250406300787
1.653 * [regime-testing]: Oracle error score: 0.02562820352544068
1.654 * [regime-testing]: End program error score: 0.026003250406300787
1.671 * [regime-testing]: Target error score: 0.026003250406300787