9.029 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.016 * * * [progress]: [2/2] Setting up program.
0.018 * [progress]: [Phase 2 of 3] Improving.
0.019 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (+ x y) (* (* x 2.0) y))
0.021 * * [simplify]: iteration  0 :  36  enodes  (cost  9 )
0.021 * * [simplify]: iteration  1 :  36  enodes  (cost  9 )
0.021 * [simplify]: Simplified to:
   (/ (+ x y) (* x (* y 2.0)))
0.023 * * [progress]: iteration 1 / 4
0.024 * * * [progress]: picking best candidate
0.029 * * * * [pick]: Picked  #<alt (λ (x y) (/ (+ x y) (* (* x 2.0) y)))>
0.029 * * * [progress]: localizing error
0.035 * * * [progress]: generating rewritten candidates
0.035 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.045 * * * [progress]: generating series expansions
0.045 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.046 * [approximate]: Taking taylor expansion of (* 0.5 (/ (+ x y) (* x y))) in (x y) around 0
0.046 * [taylor]: Taking taylor expansion of (* 0.5 (/ (+ x y) (* x y))) in y
0.046 * [taylor]: Taking taylor expansion of 0.5 in y
0.046 * [taylor]: Taking taylor expansion of (/ (+ x y) (* x y)) in y
0.046 * [taylor]: Taking taylor expansion of (+ x y) in y
0.046 * [taylor]: Taking taylor expansion of x in y
0.046 * [taylor]: Taking taylor expansion of y in y
0.046 * [taylor]: Taking taylor expansion of (* x y) in y
0.046 * [taylor]: Taking taylor expansion of x in y
0.046 * [taylor]: Taking taylor expansion of y in y
0.046 * [taylor]: Taking taylor expansion of (* 0.5 (/ (+ x y) (* x y))) in x
0.046 * [taylor]: Taking taylor expansion of 0.5 in x
0.046 * [taylor]: Taking taylor expansion of (/ (+ x y) (* x y)) in x
0.046 * [taylor]: Taking taylor expansion of (+ x y) in x
0.046 * [taylor]: Taking taylor expansion of x in x
0.046 * [taylor]: Taking taylor expansion of y in x
0.046 * [taylor]: Taking taylor expansion of (* x y) in x
0.046 * [taylor]: Taking taylor expansion of x in x
0.046 * [taylor]: Taking taylor expansion of y in x
0.046 * [taylor]: Taking taylor expansion of (* 0.5 (/ (+ x y) (* x y))) in x
0.046 * [taylor]: Taking taylor expansion of 0.5 in x
0.046 * [taylor]: Taking taylor expansion of (/ (+ x y) (* x y)) in x
0.046 * [taylor]: Taking taylor expansion of (+ x y) in x
0.046 * [taylor]: Taking taylor expansion of x in x
0.046 * [taylor]: Taking taylor expansion of y in x
0.046 * [taylor]: Taking taylor expansion of (* x y) in x
0.046 * [taylor]: Taking taylor expansion of x in x
0.046 * [taylor]: Taking taylor expansion of y in x
0.046 * [taylor]: Taking taylor expansion of 0.5 in y
0.046 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.046 * [taylor]: Taking taylor expansion of 0.5 in y
0.046 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.047 * [taylor]: Taking taylor expansion of y in y
0.047 * [taylor]: Taking taylor expansion of 0 in y
0.047 * [taylor]: Taking taylor expansion of 0 in y
0.047 * [taylor]: Taking taylor expansion of 0 in y
0.048 * [approximate]: Taking taylor expansion of (* 0.5 (* (+ (/ 1 x) (/ 1 y)) (* y x))) in (x y) around 0
0.048 * [taylor]: Taking taylor expansion of (* 0.5 (* (+ (/ 1 x) (/ 1 y)) (* y x))) in y
0.048 * [taylor]: Taking taylor expansion of 0.5 in y
0.048 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) (* y x)) in y
0.048 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in y
0.048 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.048 * [taylor]: Taking taylor expansion of x in y
0.048 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.048 * [taylor]: Taking taylor expansion of y in y
0.048 * [taylor]: Taking taylor expansion of (* y x) in y
0.048 * [taylor]: Taking taylor expansion of y in y
0.048 * [taylor]: Taking taylor expansion of x in y
0.048 * [taylor]: Taking taylor expansion of (* 0.5 (* (+ (/ 1 x) (/ 1 y)) (* y x))) in x
0.048 * [taylor]: Taking taylor expansion of 0.5 in x
0.048 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) (* y x)) in x
0.048 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
0.048 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.048 * [taylor]: Taking taylor expansion of x in x
0.048 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.048 * [taylor]: Taking taylor expansion of y in x
0.048 * [taylor]: Taking taylor expansion of (* y x) in x
0.048 * [taylor]: Taking taylor expansion of y in x
0.048 * [taylor]: Taking taylor expansion of x in x
0.048 * [taylor]: Taking taylor expansion of (* 0.5 (* (+ (/ 1 x) (/ 1 y)) (* y x))) in x
0.048 * [taylor]: Taking taylor expansion of 0.5 in x
0.048 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) (* y x)) in x
0.048 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
0.048 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.048 * [taylor]: Taking taylor expansion of x in x
0.048 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.048 * [taylor]: Taking taylor expansion of y in x
0.048 * [taylor]: Taking taylor expansion of (* y x) in x
0.048 * [taylor]: Taking taylor expansion of y in x
0.048 * [taylor]: Taking taylor expansion of x in x
0.048 * [taylor]: Taking taylor expansion of 0 in y
0.049 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.049 * [taylor]: Taking taylor expansion of 0.5 in y
0.049 * [taylor]: Taking taylor expansion of y in y
0.049 * [taylor]: Taking taylor expansion of 0.5 in y
0.049 * [taylor]: Taking taylor expansion of 0 in y
0.050 * [taylor]: Taking taylor expansion of 0 in y
0.050 * [taylor]: Taking taylor expansion of 0 in y
0.051 * [approximate]: Taking taylor expansion of (* -0.5 (* (+ (/ 1 x) (/ 1 y)) (* y x))) in (x y) around 0
0.051 * [taylor]: Taking taylor expansion of (* -0.5 (* (+ (/ 1 x) (/ 1 y)) (* y x))) in y
0.051 * [taylor]: Taking taylor expansion of -0.5 in y
0.051 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) (* y x)) in y
0.051 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in y
0.051 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.051 * [taylor]: Taking taylor expansion of x in y
0.051 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.051 * [taylor]: Taking taylor expansion of y in y
0.051 * [taylor]: Taking taylor expansion of (* y x) in y
0.051 * [taylor]: Taking taylor expansion of y in y
0.051 * [taylor]: Taking taylor expansion of x in y
0.051 * [taylor]: Taking taylor expansion of (* -0.5 (* (+ (/ 1 x) (/ 1 y)) (* y x))) in x
0.051 * [taylor]: Taking taylor expansion of -0.5 in x
0.051 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) (* y x)) in x
0.051 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
0.051 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.051 * [taylor]: Taking taylor expansion of x in x
0.051 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.051 * [taylor]: Taking taylor expansion of y in x
0.051 * [taylor]: Taking taylor expansion of (* y x) in x
0.051 * [taylor]: Taking taylor expansion of y in x
0.051 * [taylor]: Taking taylor expansion of x in x
0.051 * [taylor]: Taking taylor expansion of (* -0.5 (* (+ (/ 1 x) (/ 1 y)) (* y x))) in x
0.051 * [taylor]: Taking taylor expansion of -0.5 in x
0.051 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) (* y x)) in x
0.051 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
0.051 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.051 * [taylor]: Taking taylor expansion of x in x
0.051 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.051 * [taylor]: Taking taylor expansion of y in x
0.051 * [taylor]: Taking taylor expansion of (* y x) in x
0.051 * [taylor]: Taking taylor expansion of y in x
0.051 * [taylor]: Taking taylor expansion of x in x
0.051 * [taylor]: Taking taylor expansion of 0 in y
0.052 * [taylor]: Taking taylor expansion of (neg (* 0.5 y)) in y
0.052 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.052 * [taylor]: Taking taylor expansion of 0.5 in y
0.052 * [taylor]: Taking taylor expansion of y in y
0.052 * [taylor]: Taking taylor expansion of (neg 0.5) in y
0.052 * [taylor]: Taking taylor expansion of 0.5 in y
0.052 * [taylor]: Taking taylor expansion of 0 in y
0.053 * [taylor]: Taking taylor expansion of 0 in y
0.053 * [taylor]: Taking taylor expansion of 0 in y
0.053 * * * [progress]: simplifying candidates
0.054 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (log (+ x y)) (+ (+ (log x) (log 2.0)) (log y)))
  (- (log (+ x y)) (+ (log (* x 2.0)) (log y)))
  (- (log (+ x y)) (log (* (* x 2.0) y)))
  (log (/ (+ x y) (* (* x 2.0) y)))
  (exp (/ (+ x y) (* (* x 2.0) y)))
  (/ (* (* (+ x y) (+ x y)) (+ x y)) (* (* (* (* x x) x) (* (* 2.0 2.0) 2.0)) (* (* y y) y)))
  (/ (* (* (+ x y) (+ x y)) (+ x y)) (* (* (* (* x 2.0) (* x 2.0)) (* x 2.0)) (* (* y y) y)))
  (/ (* (* (+ x y) (+ x y)) (+ x y)) (* (* (* (* x 2.0) y) (* (* x 2.0) y)) (* (* x 2.0) y)))
  (* (cbrt (/ (+ x y) (* (* x 2.0) y))) (cbrt (/ (+ x y) (* (* x 2.0) y))))
  (cbrt (/ (+ x y) (* (* x 2.0) y)))
  (* (* (/ (+ x y) (* (* x 2.0) y)) (/ (+ x y) (* (* x 2.0) y))) (/ (+ x y) (* (* x 2.0) y)))
  (sqrt (/ (+ x y) (* (* x 2.0) y)))
  (sqrt (/ (+ x y) (* (* x 2.0) y)))
  (neg (+ x y))
  (neg (* (* x 2.0) y))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (* x 2.0))
  (/ (cbrt (+ x y)) y)
  (/ (sqrt (+ x y)) (* x 2.0))
  (/ (sqrt (+ x y)) y)
  (/ 1 (* x 2.0))
  (/ (+ x y) y)
  (/ 1 (* x 2.0))
  (/ (+ x y) y)
  (/ 1 (* (* x 2.0) y))
  (/ (* (* x 2.0) y) (+ x y))
  (/ (+ x y) (* x 2.0))
  (/ (* (* x 2.0) y) (cbrt (+ x y)))
  (/ (* (* x 2.0) y) (sqrt (+ x y)))
  (/ (* (* x 2.0) y) (+ x y))
  (/ (* (* x 2.0) y) (+ x y))
  (* (* (* x 2.0) y) (+ (* x x) (- (* y y) (* x y))))
  (* (* (* x 2.0) y) (- x y))
  (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))
  (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))
  (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))
0.075 * * [simplify]: iteration  0 :  5267  enodes  (cost  314 )
0.077 * [simplify]: Simplified to:
   (log (/ (+ x y) (* x (* y 2.0))))
  (log (/ (+ x y) (* x (* y 2.0))))
  (log (/ (+ x y) (* x (* y 2.0))))
  (log (/ (+ x y) (* x (* y 2.0))))
  (exp (/ (+ x y) (* x (* y 2.0))))
  (pow (/ (+ x y) (* x (* y 2.0))) 3)
  (pow (/ (+ x y) (* x (* y 2.0))) 3)
  (pow (/ (+ x y) (* x (* y 2.0))) 3)
  (* (cbrt (/ (+ x y) (* x (* y 2.0)))) (cbrt (/ (+ x y) (* x (* y 2.0)))))
  (cbrt (/ (+ x y) (* x (* y 2.0))))
  (pow (/ (+ x y) (* x (* y 2.0))) 3)
  (sqrt (/ (+ x y) (* x (* y 2.0))))
  (sqrt (/ (+ x y) (* x (* y 2.0))))
  (- (neg y) x)
  (* x (* y (neg 2.0)))
  (* (cbrt (+ x y)) (/ (cbrt (+ x y)) (* x 2.0)))
  (/ (cbrt (+ x y)) y)
  (/ (sqrt (+ x y)) (* x 2.0))
  (/ (sqrt (+ x y)) y)
  (/ 1 (* x 2.0))
  (/ (+ x y) y)
  (/ 1 (* x 2.0))
  (/ (+ x y) y)
  (/ 1 (* x (* y 2.0)))
  (* y (/ x (/ (+ x y) 2.0)))
  (/ (+ x y) (* x 2.0))
  (* y (* (/ x (cbrt (+ x y))) 2.0))
  (* y (/ x (/ (sqrt (+ x y)) 2.0)))
  (* y (/ x (/ (+ x y) 2.0)))
  (* y (/ x (/ (+ x y) 2.0)))
  (* x (* y (* 2.0 (+ (* x x) (* y (- y x))))))
  (* x (* y (* 2.0 (- x y))))
  (+ (/ 0.5 x) (/ 0.5 y))
  (+ (/ 0.5 x) (/ 0.5 y))
  (+ (/ 0.5 x) (/ 0.5 y))
0.077 * * * [progress]: adding candidates to table
0.111 * * [progress]: iteration 2 / 4
0.111 * * * [progress]: picking best candidate
0.118 * * * * [pick]: Picked  #<alt (λ (x y) (+ (/ 0.5 x) (/ 0.5 y)))>
0.118 * * * [progress]: localizing error
0.123 * * * [progress]: generating rewritten candidates
0.123 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.136 * * * [progress]: generating series expansions
0.136 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.136 * [approximate]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in (x y) around 0
0.136 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in y
0.136 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
0.136 * [taylor]: Taking taylor expansion of 0.5 in y
0.136 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.136 * [taylor]: Taking taylor expansion of x in y
0.137 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.137 * [taylor]: Taking taylor expansion of 0.5 in y
0.137 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.137 * [taylor]: Taking taylor expansion of y in y
0.137 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in x
0.137 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.137 * [taylor]: Taking taylor expansion of 0.5 in x
0.137 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.137 * [taylor]: Taking taylor expansion of x in x
0.137 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
0.137 * [taylor]: Taking taylor expansion of 0.5 in x
0.137 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.137 * [taylor]: Taking taylor expansion of y in x
0.137 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y))) in x
0.137 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.137 * [taylor]: Taking taylor expansion of 0.5 in x
0.137 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.137 * [taylor]: Taking taylor expansion of x in x
0.137 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
0.137 * [taylor]: Taking taylor expansion of 0.5 in x
0.137 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.137 * [taylor]: Taking taylor expansion of y in x
0.137 * [taylor]: Taking taylor expansion of 0.5 in y
0.137 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.137 * [taylor]: Taking taylor expansion of 0.5 in y
0.137 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.137 * [taylor]: Taking taylor expansion of y in y
0.138 * [taylor]: Taking taylor expansion of 0 in y
0.138 * [taylor]: Taking taylor expansion of 0 in y
0.138 * [taylor]: Taking taylor expansion of 0 in y
0.139 * [approximate]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in (x y) around 0
0.139 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in y
0.139 * [taylor]: Taking taylor expansion of (* 0.5 x) in y
0.139 * [taylor]: Taking taylor expansion of 0.5 in y
0.139 * [taylor]: Taking taylor expansion of x in y
0.139 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.139 * [taylor]: Taking taylor expansion of 0.5 in y
0.139 * [taylor]: Taking taylor expansion of y in y
0.139 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x
0.139 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.139 * [taylor]: Taking taylor expansion of 0.5 in x
0.139 * [taylor]: Taking taylor expansion of x in x
0.139 * [taylor]: Taking taylor expansion of (* 0.5 y) in x
0.139 * [taylor]: Taking taylor expansion of 0.5 in x
0.139 * [taylor]: Taking taylor expansion of y in x
0.139 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x
0.139 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.139 * [taylor]: Taking taylor expansion of 0.5 in x
0.139 * [taylor]: Taking taylor expansion of x in x
0.139 * [taylor]: Taking taylor expansion of (* 0.5 y) in x
0.139 * [taylor]: Taking taylor expansion of 0.5 in x
0.139 * [taylor]: Taking taylor expansion of y in x
0.139 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.139 * [taylor]: Taking taylor expansion of 0.5 in y
0.139 * [taylor]: Taking taylor expansion of y in y
0.139 * [taylor]: Taking taylor expansion of 0.5 in y
0.139 * [taylor]: Taking taylor expansion of 0 in y
0.140 * [taylor]: Taking taylor expansion of 0 in y
0.140 * [approximate]: Taking taylor expansion of (neg (+ (* 0.5 x) (* 0.5 y))) in (x y) around 0
0.140 * [taylor]: Taking taylor expansion of (neg (+ (* 0.5 x) (* 0.5 y))) in y
0.140 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in y
0.140 * [taylor]: Taking taylor expansion of (* 0.5 x) in y
0.140 * [taylor]: Taking taylor expansion of 0.5 in y
0.140 * [taylor]: Taking taylor expansion of x in y
0.140 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.140 * [taylor]: Taking taylor expansion of 0.5 in y
0.140 * [taylor]: Taking taylor expansion of y in y
0.140 * [taylor]: Taking taylor expansion of (neg (+ (* 0.5 x) (* 0.5 y))) in x
0.140 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x
0.140 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.140 * [taylor]: Taking taylor expansion of 0.5 in x
0.140 * [taylor]: Taking taylor expansion of x in x
0.140 * [taylor]: Taking taylor expansion of (* 0.5 y) in x
0.140 * [taylor]: Taking taylor expansion of 0.5 in x
0.140 * [taylor]: Taking taylor expansion of y in x
0.140 * [taylor]: Taking taylor expansion of (neg (+ (* 0.5 x) (* 0.5 y))) in x
0.140 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x
0.140 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.140 * [taylor]: Taking taylor expansion of 0.5 in x
0.140 * [taylor]: Taking taylor expansion of x in x
0.140 * [taylor]: Taking taylor expansion of (* 0.5 y) in x
0.140 * [taylor]: Taking taylor expansion of 0.5 in x
0.140 * [taylor]: Taking taylor expansion of y in x
0.140 * [taylor]: Taking taylor expansion of (neg (* 0.5 y)) in y
0.140 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.140 * [taylor]: Taking taylor expansion of 0.5 in y
0.140 * [taylor]: Taking taylor expansion of y in y
0.141 * [taylor]: Taking taylor expansion of (neg 0.5) in y
0.141 * [taylor]: Taking taylor expansion of 0.5 in y
0.141 * [taylor]: Taking taylor expansion of 0 in y
0.141 * [taylor]: Taking taylor expansion of 0 in y
0.141 * * * [progress]: simplifying candidates
0.141 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (exp (/ 0.5 x)) (exp (/ 0.5 y)))
  (log (+ (/ 0.5 x) (/ 0.5 y)))
  (exp (+ (/ 0.5 x) (/ 0.5 y)))
  (* (cbrt (+ (/ 0.5 x) (/ 0.5 y))) (cbrt (+ (/ 0.5 x) (/ 0.5 y))))
  (cbrt (+ (/ 0.5 x) (/ 0.5 y)))
  (* (* (+ (/ 0.5 x) (/ 0.5 y)) (+ (/ 0.5 x) (/ 0.5 y))) (+ (/ 0.5 x) (/ 0.5 y)))
  (sqrt (+ (/ 0.5 x) (/ 0.5 y)))
  (sqrt (+ (/ 0.5 x) (/ 0.5 y)))
  (+ (* 0.5 y) (* x 0.5))
  (* x y)
  (+ (pow (/ 0.5 x) 3) (pow (/ 0.5 y) 3))
  (+ (* (/ 0.5 x) (/ 0.5 x)) (- (* (/ 0.5 y) (/ 0.5 y)) (* (/ 0.5 x) (/ 0.5 y))))
  (- (* (/ 0.5 x) (/ 0.5 x)) (* (/ 0.5 y) (/ 0.5 y)))
  (- (/ 0.5 x) (/ 0.5 y))
  (+ (/ (cbrt 0.5) x) (/ (cbrt 0.5) y))
  (+ (/ (sqrt 0.5) x) (/ (sqrt 0.5) y))
  (+ (/ 0.5 x) (/ 0.5 y))
  (+ (/ 0.5 x) (/ 0.5 y))
  (+ (/ 1 x) (/ 1 y))
  (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))
  (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))
  (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))
0.192 * * [simplify]: iteration  0 :  4898  enodes  (cost  190 )
0.192 * * [simplify]: iteration  1 :  4898  enodes  (cost  190 )
0.193 * [simplify]: Simplified to:
   (exp (+ (/ 0.5 x) (/ 0.5 y)))
  (log (+ (/ 0.5 x) (/ 0.5 y)))
  (exp (+ (/ 0.5 x) (/ 0.5 y)))
  (* (cbrt (+ (/ 0.5 x) (/ 0.5 y))) (cbrt (+ (/ 0.5 x) (/ 0.5 y))))
  (cbrt (+ (/ 0.5 x) (/ 0.5 y)))
  (pow (+ (/ 0.5 x) (/ 0.5 y)) 3)
  (sqrt (+ (/ 0.5 x) (/ 0.5 y)))
  (sqrt (+ (/ 0.5 x) (/ 0.5 y)))
  (* 0.5 (+ x y))
  (* x y)
  (+ (pow (/ 0.5 x) 3) (pow (/ 0.5 y) 3))
  (* 0.5 (+ (/ 0.5 (* x x)) (/ (- (/ 0.5 y) (/ 0.5 x)) y)))
  (* 0.5 (- (/ 0.5 (* x x)) (/ 0.5 (* y y))))
  (- (/ 0.5 x) (/ 0.5 y))
  (+ (/ (cbrt 0.5) x) (/ (cbrt 0.5) y))
  (+ (/ (sqrt 0.5) x) (/ (sqrt 0.5) y))
  (+ (/ 0.5 x) (/ 0.5 y))
  (+ (/ 0.5 x) (/ 0.5 y))
  (+ (/ 1 x) (/ 1 y))
  (+ (/ 0.5 x) (/ 0.5 y))
  (+ (/ 0.5 x) (/ 0.5 y))
  (+ (/ 0.5 x) (/ 0.5 y))
0.193 * * * [progress]: adding candidates to table
0.216 * * [progress]: iteration 3 / 4
0.216 * * * [progress]: picking best candidate
0.218 * * * * [pick]: Picked  #<alt (λ (x y) (/ (/ (+ x y) (* x 2.0)) y))>
0.219 * * * [progress]: localizing error
0.225 * * * [progress]: generating rewritten candidates
0.225 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.235 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.245 * * * [progress]: generating series expansions
0.245 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.245 * [approximate]: Taking taylor expansion of (* 0.5 (/ (+ x y) (* x y))) in (x y) around 0
0.245 * [taylor]: Taking taylor expansion of (* 0.5 (/ (+ x y) (* x y))) in y
0.245 * [taylor]: Taking taylor expansion of 0.5 in y
0.245 * [taylor]: Taking taylor expansion of (/ (+ x y) (* x y)) in y
0.245 * [taylor]: Taking taylor expansion of (+ x y) in y
0.245 * [taylor]: Taking taylor expansion of x in y
0.245 * [taylor]: Taking taylor expansion of y in y
0.245 * [taylor]: Taking taylor expansion of (* x y) in y
0.245 * [taylor]: Taking taylor expansion of x in y
0.245 * [taylor]: Taking taylor expansion of y in y
0.245 * [taylor]: Taking taylor expansion of (* 0.5 (/ (+ x y) (* x y))) in x
0.245 * [taylor]: Taking taylor expansion of 0.5 in x
0.245 * [taylor]: Taking taylor expansion of (/ (+ x y) (* x y)) in x
0.245 * [taylor]: Taking taylor expansion of (+ x y) in x
0.245 * [taylor]: Taking taylor expansion of x in x
0.245 * [taylor]: Taking taylor expansion of y in x
0.245 * [taylor]: Taking taylor expansion of (* x y) in x
0.245 * [taylor]: Taking taylor expansion of x in x
0.245 * [taylor]: Taking taylor expansion of y in x
0.246 * [taylor]: Taking taylor expansion of (* 0.5 (/ (+ x y) (* x y))) in x
0.246 * [taylor]: Taking taylor expansion of 0.5 in x
0.246 * [taylor]: Taking taylor expansion of (/ (+ x y) (* x y)) in x
0.246 * [taylor]: Taking taylor expansion of (+ x y) in x
0.246 * [taylor]: Taking taylor expansion of x in x
0.246 * [taylor]: Taking taylor expansion of y in x
0.246 * [taylor]: Taking taylor expansion of (* x y) in x
0.246 * [taylor]: Taking taylor expansion of x in x
0.246 * [taylor]: Taking taylor expansion of y in x
0.246 * [taylor]: Taking taylor expansion of 0.5 in y
0.248 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.248 * [taylor]: Taking taylor expansion of 0.5 in y
0.248 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.248 * [taylor]: Taking taylor expansion of y in y
0.249 * [taylor]: Taking taylor expansion of 0 in y
0.249 * [taylor]: Taking taylor expansion of 0 in y
0.249 * [taylor]: Taking taylor expansion of 0 in y
0.249 * [approximate]: Taking taylor expansion of (* 0.5 (* (+ (/ 1 x) (/ 1 y)) (* y x))) in (x y) around 0
0.249 * [taylor]: Taking taylor expansion of (* 0.5 (* (+ (/ 1 x) (/ 1 y)) (* y x))) in y
0.250 * [taylor]: Taking taylor expansion of 0.5 in y
0.250 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) (* y x)) in y
0.250 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in y
0.250 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.250 * [taylor]: Taking taylor expansion of x in y
0.250 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.250 * [taylor]: Taking taylor expansion of y in y
0.250 * [taylor]: Taking taylor expansion of (* y x) in y
0.250 * [taylor]: Taking taylor expansion of y in y
0.250 * [taylor]: Taking taylor expansion of x in y
0.250 * [taylor]: Taking taylor expansion of (* 0.5 (* (+ (/ 1 x) (/ 1 y)) (* y x))) in x
0.250 * [taylor]: Taking taylor expansion of 0.5 in x
0.250 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) (* y x)) in x
0.250 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
0.250 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.250 * [taylor]: Taking taylor expansion of x in x
0.250 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.250 * [taylor]: Taking taylor expansion of y in x
0.250 * [taylor]: Taking taylor expansion of (* y x) in x
0.250 * [taylor]: Taking taylor expansion of y in x
0.250 * [taylor]: Taking taylor expansion of x in x
0.250 * [taylor]: Taking taylor expansion of (* 0.5 (* (+ (/ 1 x) (/ 1 y)) (* y x))) in x
0.250 * [taylor]: Taking taylor expansion of 0.5 in x
0.250 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) (* y x)) in x
0.250 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
0.250 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.250 * [taylor]: Taking taylor expansion of x in x
0.250 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.250 * [taylor]: Taking taylor expansion of y in x
0.250 * [taylor]: Taking taylor expansion of (* y x) in x
0.250 * [taylor]: Taking taylor expansion of y in x
0.250 * [taylor]: Taking taylor expansion of x in x
0.250 * [taylor]: Taking taylor expansion of 0 in y
0.250 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.250 * [taylor]: Taking taylor expansion of 0.5 in y
0.250 * [taylor]: Taking taylor expansion of y in y
0.251 * [taylor]: Taking taylor expansion of 0.5 in y
0.251 * [taylor]: Taking taylor expansion of 0 in y
0.251 * [taylor]: Taking taylor expansion of 0 in y
0.252 * [taylor]: Taking taylor expansion of 0 in y
0.252 * [approximate]: Taking taylor expansion of (* -0.5 (* (+ (/ 1 x) (/ 1 y)) (* y x))) in (x y) around 0
0.252 * [taylor]: Taking taylor expansion of (* -0.5 (* (+ (/ 1 x) (/ 1 y)) (* y x))) in y
0.252 * [taylor]: Taking taylor expansion of -0.5 in y
0.252 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) (* y x)) in y
0.252 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in y
0.252 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.252 * [taylor]: Taking taylor expansion of x in y
0.252 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.252 * [taylor]: Taking taylor expansion of y in y
0.252 * [taylor]: Taking taylor expansion of (* y x) in y
0.252 * [taylor]: Taking taylor expansion of y in y
0.252 * [taylor]: Taking taylor expansion of x in y
0.252 * [taylor]: Taking taylor expansion of (* -0.5 (* (+ (/ 1 x) (/ 1 y)) (* y x))) in x
0.252 * [taylor]: Taking taylor expansion of -0.5 in x
0.252 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) (* y x)) in x
0.253 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
0.253 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.253 * [taylor]: Taking taylor expansion of x in x
0.253 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.253 * [taylor]: Taking taylor expansion of y in x
0.253 * [taylor]: Taking taylor expansion of (* y x) in x
0.253 * [taylor]: Taking taylor expansion of y in x
0.253 * [taylor]: Taking taylor expansion of x in x
0.253 * [taylor]: Taking taylor expansion of (* -0.5 (* (+ (/ 1 x) (/ 1 y)) (* y x))) in x
0.253 * [taylor]: Taking taylor expansion of -0.5 in x
0.253 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) (* y x)) in x
0.253 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
0.253 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.253 * [taylor]: Taking taylor expansion of x in x
0.253 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.253 * [taylor]: Taking taylor expansion of y in x
0.253 * [taylor]: Taking taylor expansion of (* y x) in x
0.253 * [taylor]: Taking taylor expansion of y in x
0.253 * [taylor]: Taking taylor expansion of x in x
0.253 * [taylor]: Taking taylor expansion of 0 in y
0.253 * [taylor]: Taking taylor expansion of (neg (* 0.5 y)) in y
0.253 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.253 * [taylor]: Taking taylor expansion of 0.5 in y
0.253 * [taylor]: Taking taylor expansion of y in y
0.253 * [taylor]: Taking taylor expansion of (neg 0.5) in y
0.253 * [taylor]: Taking taylor expansion of 0.5 in y
0.254 * [taylor]: Taking taylor expansion of 0 in y
0.254 * [taylor]: Taking taylor expansion of 0 in y
0.255 * [taylor]: Taking taylor expansion of 0 in y
0.255 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
0.255 * [approximate]: Taking taylor expansion of (* 0.5 (/ (+ x y) x)) in (x y) around 0
0.255 * [taylor]: Taking taylor expansion of (* 0.5 (/ (+ x y) x)) in y
0.255 * [taylor]: Taking taylor expansion of 0.5 in y
0.255 * [taylor]: Taking taylor expansion of (/ (+ x y) x) in y
0.255 * [taylor]: Taking taylor expansion of (+ x y) in y
0.255 * [taylor]: Taking taylor expansion of x in y
0.255 * [taylor]: Taking taylor expansion of y in y
0.255 * [taylor]: Taking taylor expansion of x in y
0.255 * [taylor]: Taking taylor expansion of (* 0.5 (/ (+ x y) x)) in x
0.255 * [taylor]: Taking taylor expansion of 0.5 in x
0.255 * [taylor]: Taking taylor expansion of (/ (+ x y) x) in x
0.255 * [taylor]: Taking taylor expansion of (+ x y) in x
0.255 * [taylor]: Taking taylor expansion of x in x
0.255 * [taylor]: Taking taylor expansion of y in x
0.255 * [taylor]: Taking taylor expansion of x in x
0.255 * [taylor]: Taking taylor expansion of (* 0.5 (/ (+ x y) x)) in x
0.255 * [taylor]: Taking taylor expansion of 0.5 in x
0.255 * [taylor]: Taking taylor expansion of (/ (+ x y) x) in x
0.255 * [taylor]: Taking taylor expansion of (+ x y) in x
0.255 * [taylor]: Taking taylor expansion of x in x
0.255 * [taylor]: Taking taylor expansion of y in x
0.255 * [taylor]: Taking taylor expansion of x in x
0.256 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.256 * [taylor]: Taking taylor expansion of 0.5 in y
0.256 * [taylor]: Taking taylor expansion of y in y
0.256 * [taylor]: Taking taylor expansion of 0.5 in y
0.256 * [taylor]: Taking taylor expansion of 0 in y
0.256 * [taylor]: Taking taylor expansion of 0 in y
0.256 * [approximate]: Taking taylor expansion of (* 0.5 (* (+ (/ 1 x) (/ 1 y)) x)) in (x y) around 0
0.256 * [taylor]: Taking taylor expansion of (* 0.5 (* (+ (/ 1 x) (/ 1 y)) x)) in y
0.256 * [taylor]: Taking taylor expansion of 0.5 in y
0.256 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) x) in y
0.256 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in y
0.256 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.256 * [taylor]: Taking taylor expansion of x in y
0.256 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.256 * [taylor]: Taking taylor expansion of y in y
0.256 * [taylor]: Taking taylor expansion of x in y
0.256 * [taylor]: Taking taylor expansion of (* 0.5 (* (+ (/ 1 x) (/ 1 y)) x)) in x
0.256 * [taylor]: Taking taylor expansion of 0.5 in x
0.256 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) x) in x
0.257 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
0.257 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.257 * [taylor]: Taking taylor expansion of x in x
0.257 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.257 * [taylor]: Taking taylor expansion of y in x
0.257 * [taylor]: Taking taylor expansion of x in x
0.257 * [taylor]: Taking taylor expansion of (* 0.5 (* (+ (/ 1 x) (/ 1 y)) x)) in x
0.257 * [taylor]: Taking taylor expansion of 0.5 in x
0.257 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) x) in x
0.257 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
0.257 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.257 * [taylor]: Taking taylor expansion of x in x
0.257 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.257 * [taylor]: Taking taylor expansion of y in x
0.257 * [taylor]: Taking taylor expansion of x in x
0.257 * [taylor]: Taking taylor expansion of 0 in y
0.257 * [taylor]: Taking taylor expansion of 0.5 in y
0.257 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.257 * [taylor]: Taking taylor expansion of 0.5 in y
0.257 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.257 * [taylor]: Taking taylor expansion of y in y
0.258 * [taylor]: Taking taylor expansion of 0 in y
0.258 * [taylor]: Taking taylor expansion of 0 in y
0.258 * [approximate]: Taking taylor expansion of (* 0.5 (* (+ (/ 1 x) (/ 1 y)) x)) in (x y) around 0
0.258 * [taylor]: Taking taylor expansion of (* 0.5 (* (+ (/ 1 x) (/ 1 y)) x)) in y
0.258 * [taylor]: Taking taylor expansion of 0.5 in y
0.258 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) x) in y
0.258 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in y
0.258 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.258 * [taylor]: Taking taylor expansion of x in y
0.258 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.258 * [taylor]: Taking taylor expansion of y in y
0.259 * [taylor]: Taking taylor expansion of x in y
0.259 * [taylor]: Taking taylor expansion of (* 0.5 (* (+ (/ 1 x) (/ 1 y)) x)) in x
0.259 * [taylor]: Taking taylor expansion of 0.5 in x
0.259 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) x) in x
0.259 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
0.259 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.259 * [taylor]: Taking taylor expansion of x in x
0.259 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.259 * [taylor]: Taking taylor expansion of y in x
0.259 * [taylor]: Taking taylor expansion of x in x
0.259 * [taylor]: Taking taylor expansion of (* 0.5 (* (+ (/ 1 x) (/ 1 y)) x)) in x
0.259 * [taylor]: Taking taylor expansion of 0.5 in x
0.259 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) x) in x
0.259 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
0.259 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.259 * [taylor]: Taking taylor expansion of x in x
0.259 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.259 * [taylor]: Taking taylor expansion of y in x
0.259 * [taylor]: Taking taylor expansion of x in x
0.259 * [taylor]: Taking taylor expansion of 0 in y
0.259 * [taylor]: Taking taylor expansion of 0.5 in y
0.259 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.259 * [taylor]: Taking taylor expansion of 0.5 in y
0.259 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.259 * [taylor]: Taking taylor expansion of y in y
0.260 * [taylor]: Taking taylor expansion of 0 in y
0.260 * [taylor]: Taking taylor expansion of 0 in y
0.260 * * * [progress]: simplifying candidates
0.262 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (- (log (+ x y)) (+ (log x) (log 2.0))) (log y))
  (- (- (log (+ x y)) (log (* x 2.0))) (log y))
  (- (log (/ (+ x y) (* x 2.0))) (log y))
  (log (/ (/ (+ x y) (* x 2.0)) y))
  (exp (/ (/ (+ x y) (* x 2.0)) y))
  (/ (/ (* (* (+ x y) (+ x y)) (+ x y)) (* (* (* x x) x) (* (* 2.0 2.0) 2.0))) (* (* y y) y))
  (/ (/ (* (* (+ x y) (+ x y)) (+ x y)) (* (* (* x 2.0) (* x 2.0)) (* x 2.0))) (* (* y y) y))
  (/ (* (* (/ (+ x y) (* x 2.0)) (/ (+ x y) (* x 2.0))) (/ (+ x y) (* x 2.0))) (* (* y y) y))
  (* (cbrt (/ (/ (+ x y) (* x 2.0)) y)) (cbrt (/ (/ (+ x y) (* x 2.0)) y)))
  (cbrt (/ (/ (+ x y) (* x 2.0)) y))
  (* (* (/ (/ (+ x y) (* x 2.0)) y) (/ (/ (+ x y) (* x 2.0)) y)) (/ (/ (+ x y) (* x 2.0)) y))
  (sqrt (/ (/ (+ x y) (* x 2.0)) y))
  (sqrt (/ (/ (+ x y) (* x 2.0)) y))
  (neg (/ (+ x y) (* x 2.0)))
  (neg y)
  (/ (* (cbrt (/ (+ x y) (* x 2.0))) (cbrt (/ (+ x y) (* x 2.0)))) (* (cbrt y) (cbrt y)))
  (/ (cbrt (/ (+ x y) (* x 2.0))) (cbrt y))
  (/ (* (cbrt (/ (+ x y) (* x 2.0))) (cbrt (/ (+ x y) (* x 2.0)))) (sqrt y))
  (/ (cbrt (/ (+ x y) (* x 2.0))) (sqrt y))
  (/ (* (cbrt (/ (+ x y) (* x 2.0))) (cbrt (/ (+ x y) (* x 2.0)))) 1)
  (/ (cbrt (/ (+ x y) (* x 2.0))) y)
  (/ (sqrt (/ (+ x y) (* x 2.0))) (* (cbrt y) (cbrt y)))
  (/ (sqrt (/ (+ x y) (* x 2.0))) (cbrt y))
  (/ (sqrt (/ (+ x y) (* x 2.0))) (sqrt y))
  (/ (sqrt (/ (+ x y) (* x 2.0))) (sqrt y))
  (/ (sqrt (/ (+ x y) (* x 2.0))) 1)
  (/ (sqrt (/ (+ x y) (* x 2.0))) y)
  (/ (/ (* (cbrt (+ x y)) (cbrt (+ x y))) x) (* (cbrt y) (cbrt y)))
  (/ (/ (cbrt (+ x y)) 2.0) (cbrt y))
  (/ (/ (* (cbrt (+ x y)) (cbrt (+ x y))) x) (sqrt y))
  (/ (/ (cbrt (+ x y)) 2.0) (sqrt y))
  (/ (/ (* (cbrt (+ x y)) (cbrt (+ x y))) x) 1)
  (/ (/ (cbrt (+ x y)) 2.0) y)
  (/ (/ (sqrt (+ x y)) x) (* (cbrt y) (cbrt y)))
  (/ (/ (sqrt (+ x y)) 2.0) (cbrt y))
  (/ (/ (sqrt (+ x y)) x) (sqrt y))
  (/ (/ (sqrt (+ x y)) 2.0) (sqrt y))
  (/ (/ (sqrt (+ x y)) x) 1)
  (/ (/ (sqrt (+ x y)) 2.0) y)
  (/ (/ 1 x) (* (cbrt y) (cbrt y)))
  (/ (/ (+ x y) 2.0) (cbrt y))
  (/ (/ 1 x) (sqrt y))
  (/ (/ (+ x y) 2.0) (sqrt y))
  (/ (/ 1 x) 1)
  (/ (/ (+ x y) 2.0) y)
  (/ (/ 1 x) (* (cbrt y) (cbrt y)))
  (/ (/ (+ x y) 2.0) (cbrt y))
  (/ (/ 1 x) (sqrt y))
  (/ (/ (+ x y) 2.0) (sqrt y))
  (/ (/ 1 x) 1)
  (/ (/ (+ x y) 2.0) y)
  (/ 1 (* (cbrt y) (cbrt y)))
  (/ (/ (+ x y) (* x 2.0)) (cbrt y))
  (/ 1 (sqrt y))
  (/ (/ (+ x y) (* x 2.0)) (sqrt y))
  (/ 1 1)
  (/ (/ (+ x y) (* x 2.0)) y)
  (/ (+ x y) (* (cbrt y) (cbrt y)))
  (/ (/ 1 (* x 2.0)) (cbrt y))
  (/ (+ x y) (sqrt y))
  (/ (/ 1 (* x 2.0)) (sqrt y))
  (/ (+ x y) 1)
  (/ (/ 1 (* x 2.0)) y)
  (/ 1 y)
  (/ y (/ (+ x y) (* x 2.0)))
  (/ (/ (+ x y) (* x 2.0)) (* (cbrt y) (cbrt y)))
  (/ (/ (+ x y) (* x 2.0)) (sqrt y))
  (/ (/ (+ x y) (* x 2.0)) 1)
  (/ y (cbrt (/ (+ x y) (* x 2.0))))
  (/ y (sqrt (/ (+ x y) (* x 2.0))))
  (/ y (/ (cbrt (+ x y)) 2.0))
  (/ y (/ (sqrt (+ x y)) 2.0))
  (/ y (/ (+ x y) 2.0))
  (/ y (/ (+ x y) 2.0))
  (/ y (/ (+ x y) (* x 2.0)))
  (/ y (/ 1 (* x 2.0)))
  (* y (* x 2.0))
  (- (log (+ x y)) (+ (log x) (log 2.0)))
  (- (log (+ x y)) (log (* x 2.0)))
  (log (/ (+ x y) (* x 2.0)))
  (exp (/ (+ x y) (* x 2.0)))
  (/ (* (* (+ x y) (+ x y)) (+ x y)) (* (* (* x x) x) (* (* 2.0 2.0) 2.0)))
  (/ (* (* (+ x y) (+ x y)) (+ x y)) (* (* (* x 2.0) (* x 2.0)) (* x 2.0)))
  (* (cbrt (/ (+ x y) (* x 2.0))) (cbrt (/ (+ x y) (* x 2.0))))
  (cbrt (/ (+ x y) (* x 2.0)))
  (* (* (/ (+ x y) (* x 2.0)) (/ (+ x y) (* x 2.0))) (/ (+ x y) (* x 2.0)))
  (sqrt (/ (+ x y) (* x 2.0)))
  (sqrt (/ (+ x y) (* x 2.0)))
  (neg (+ x y))
  (neg (* x 2.0))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) x)
  (/ (cbrt (+ x y)) 2.0)
  (/ (sqrt (+ x y)) x)
  (/ (sqrt (+ x y)) 2.0)
  (/ 1 x)
  (/ (+ x y) 2.0)
  (/ 1 x)
  (/ (+ x y) 2.0)
  (/ 1 (* x 2.0))
  (/ (* x 2.0) (+ x y))
  (/ (+ x y) x)
  (/ (* x 2.0) (cbrt (+ x y)))
  (/ (* x 2.0) (sqrt (+ x y)))
  (/ (* x 2.0) (+ x y))
  (/ (* x 2.0) (+ x y))
  (* (* x 2.0) (+ (* x x) (- (* y y) (* x y))))
  (* (* x 2.0) (- x y))
  (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))
  (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))
  (+ (* 0.5 (/ 1 x)) (* 0.5 (/ 1 y)))
  (+ (* 0.5 (/ y x)) 0.5)
  (+ (* 0.5 (/ y x)) 0.5)
  (+ (* 0.5 (/ y x)) 0.5)
0.287 * * [simplify]: iteration  0 :  5463  enodes  (cost  970 )
0.291 * [simplify]: Simplified to:
   (log (/ (+ x y) (* x (* y 2.0))))
  (log (/ (+ x y) (* x (* y 2.0))))
  (log (/ (+ x y) (* x (* y 2.0))))
  (log (/ (+ x y) (* x (* y 2.0))))
  (exp (/ (+ x y) (* x (* y 2.0))))
  (pow (/ (+ x y) (* x (* y 2.0))) 3)
  (pow (/ (+ x y) (* x (* y 2.0))) 3)
  (pow (/ (+ x y) (* x (* y 2.0))) 3)
  (* (cbrt (/ (+ x y) (* x (* y 2.0)))) (cbrt (/ (+ x y) (* x (* y 2.0)))))
  (cbrt (/ (+ x y) (* x (* y 2.0))))
  (pow (/ (+ x y) (* x (* y 2.0))) 3)
  (sqrt (/ (+ x y) (* x (* y 2.0))))
  (sqrt (/ (+ x y) (* x (* y 2.0))))
  (/ (- (neg y) x) (* x 2.0))
  (neg y)
  (* (cbrt (/ (+ x y) (* x 2.0))) (/ (cbrt (/ (+ x y) (* x 2.0))) (* (cbrt y) (cbrt y))))
  (/ (cbrt (/ (+ x y) (* x 2.0))) (cbrt y))
  (* (cbrt (/ (+ x y) (* x 2.0))) (/ (cbrt (/ (+ x y) (* x 2.0))) (sqrt y)))
  (/ (cbrt (/ (+ x y) (* x 2.0))) (sqrt y))
  (* (cbrt (/ (+ x y) (* x 2.0))) (cbrt (/ (+ x y) (* x 2.0))))
  (/ (cbrt (/ (+ x y) (* x 2.0))) y)
  (/ (sqrt (/ (+ x y) (* x 2.0))) (* (cbrt y) (cbrt y)))
  (/ (sqrt (/ (+ x y) (* x 2.0))) (cbrt y))
  (/ (sqrt (/ (+ x y) (* x 2.0))) (sqrt y))
  (/ (sqrt (/ (+ x y) (* x 2.0))) (sqrt y))
  (sqrt (/ (+ x y) (* x 2.0)))
  (/ (sqrt (/ (+ x y) (* x 2.0))) y)
  (* (/ (cbrt (+ x y)) x) (/ (cbrt (+ x y)) (* (cbrt y) (cbrt y))))
  (/ (cbrt (+ x y)) (* 2.0 (cbrt y)))
  (* (/ (cbrt (+ x y)) x) (/ (cbrt (+ x y)) (sqrt y)))
  (/ (cbrt (+ x y)) (* 2.0 (sqrt y)))
  (* (cbrt (+ x y)) (/ (cbrt (+ x y)) x))
  (/ (cbrt (+ x y)) (* y 2.0))
  (/ (sqrt (+ x y)) (* x (* (cbrt y) (cbrt y))))
  (/ (sqrt (+ x y)) (* 2.0 (cbrt y)))
  (/ (sqrt (+ x y)) (* x (sqrt y)))
  (/ (sqrt (+ x y)) (* 2.0 (sqrt y)))
  (/ (sqrt (+ x y)) x)
  (/ (sqrt (+ x y)) (* y 2.0))
  (/ 1 (* x (* (cbrt y) (cbrt y))))
  (/ (+ x y) (* 2.0 (cbrt y)))
  (/ 1 (* x (sqrt y)))
  (/ (+ x y) (* 2.0 (sqrt y)))
  (/ 1 x)
  (/ (+ x y) (* y 2.0))
  (/ 1 (* x (* (cbrt y) (cbrt y))))
  (/ (+ x y) (* 2.0 (cbrt y)))
  (/ 1 (* x (sqrt y)))
  (/ (+ x y) (* 2.0 (sqrt y)))
  (/ 1 x)
  (/ (+ x y) (* y 2.0))
  (/ 1 (* (cbrt y) (cbrt y)))
  (/ (+ x y) (* x (* 2.0 (cbrt y))))
  (/ 1 (sqrt y))
  (/ (+ x y) (* x (* 2.0 (sqrt y))))
  1
  (/ (+ x y) (* x (* y 2.0)))
  (/ (+ x y) (* (cbrt y) (cbrt y)))
  (/ 1 (* x (* 2.0 (cbrt y))))
  (/ (+ x y) (sqrt y))
  (/ 1 (* x (* 2.0 (sqrt y))))
  (+ x y)
  (/ 1 (* x (* y 2.0)))
  (/ 1 y)
  (* x (* 2.0 (/ y (+ x y))))
  (/ (+ x y) (* x (* 2.0 (* (cbrt y) (cbrt y)))))
  (/ (+ x y) (* x (* 2.0 (sqrt y))))
  (/ (+ x y) (* x 2.0))
  (/ y (cbrt (/ (+ x y) (* x 2.0))))
  (/ y (sqrt (/ (+ x y) (* x 2.0))))
  (* 2.0 (/ y (cbrt (+ x y))))
  (* 2.0 (/ y (sqrt (+ x y))))
  (* 2.0 (/ y (+ x y)))
  (* 2.0 (/ y (+ x y)))
  (* x (* 2.0 (/ y (+ x y))))
  (* x (* y 2.0))
  (* x (* y 2.0))
  (log (/ (+ x y) (* x 2.0)))
  (log (/ (+ x y) (* x 2.0)))
  (log (/ (+ x y) (* x 2.0)))
  (exp (/ (+ x y) (* x 2.0)))
  (pow (/ (+ x y) (* x 2.0)) 3)
  (pow (/ (+ x y) (* x 2.0)) 3)
  (* (cbrt (/ (+ x y) (* x 2.0))) (cbrt (/ (+ x y) (* x 2.0))))
  (cbrt (/ (+ x y) (* x 2.0)))
  (pow (/ (+ x y) (* x 2.0)) 3)
  (sqrt (/ (+ x y) (* x 2.0)))
  (sqrt (/ (+ x y) (* x 2.0)))
  (- (neg y) x)
  (* x (neg 2.0))
  (* (cbrt (+ x y)) (/ (cbrt (+ x y)) x))
  (/ (cbrt (+ x y)) 2.0)
  (/ (sqrt (+ x y)) x)
  (/ (sqrt (+ x y)) 2.0)
  (/ 1 x)
  (/ (+ x y) 2.0)
  (/ 1 x)
  (/ (+ x y) 2.0)
  (/ 1 (* x 2.0))
  (* 2.0 (/ x (+ x y)))
  (/ (+ x y) x)
  (* 2.0 (/ x (cbrt (+ x y))))
  (* 2.0 (/ x (sqrt (+ x y))))
  (* 2.0 (/ x (+ x y)))
  (* 2.0 (/ x (+ x y)))
  (* x (* 2.0 (+ (* x x) (* y (- y x)))))
  (* x (* 2.0 (- x y)))
  (+ (/ 0.5 x) (/ 0.5 y))
  (+ (/ 0.5 x) (/ 0.5 y))
  (+ (/ 0.5 x) (/ 0.5 y))
  (+ 0.5 (* y (/ 0.5 x)))
  (+ 0.5 (* y (/ 0.5 x)))
  (+ 0.5 (* y (/ 0.5 x)))
0.291 * * * [progress]: adding candidates to table
0.365 * [progress]: [Phase 3 of 3] Extracting.
0.365 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (/ (/ (+ x y) (* x 2.0)) y))> #<alt (λ (x y) (+ (/ 0.5 x) (/ 0.5 y)))>)
0.366 * * * [regime-changes]: Trying 2 branch expressions: (y x)
0.366 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (/ (/ (+ x y) (* x 2.0)) y))> #<alt (λ (x y) (+ (/ 0.5 x) (/ 0.5 y)))>)
0.397 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (/ (/ (+ x y) (* x 2.0)) y))> #<alt (λ (x y) (+ (/ 0.5 x) (/ 0.5 y)))>)
0.430 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
0.431 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (/ 0.5 x) (/ 0.5 y))
0.431 * * [simplify]: iteration  0 :  7  enodes  (cost  7 )
0.431 * * [simplify]: iteration  1 :  7  enodes  (cost  7 )
0.431 * [simplify]: Simplified to:
   (+ (/ 0.5 x) (/ 0.5 y))
1.150 * [regime-testing]: End program error score: 0.016269477603750318
1.217 * [regime-testing]: Target error score: 0.016269477603750318