31.448 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.109 * * * [progress]: [2/2] Setting up program.
0.112 * [progress]: [Phase 2 of 3] Improving.
0.112 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (+ x y) (* (* x 2.0) y))
0.115 * * [simplify]: iteration  0 :  36  enodes  (cost  9 )
0.115 * * [simplify]: iteration  1 :  36  enodes  (cost  9 )
0.115 * [simplify]: Simplified to:
   (/ (+ x y) (* x (* y 2.0)))
0.121 * * [progress]: iteration 1 / 4
0.121 * * * [progress]: picking best candidate
0.123 * * * * [pick]: Picked  #<alt (λ (x y) (/ (+ x y) (* (* x 2.0) y)))>
0.123 * * * [progress]: localizing error
0.129 * * * [progress]: generating rewritten candidates
0.129 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.137 * * * [progress]: generating series expansions
0.137 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.137 * [approximate]: Taking taylor expansion of (* 0.5 (/ (+ x y) (* x y))) in (x y) around 0
0.138 * [taylor]: Taking taylor expansion of (* 0.5 (/ (+ x y) (* x y))) in y
0.138 * [taylor]: Taking taylor expansion of 0.5 in y
0.138 * [taylor]: Taking taylor expansion of (/ (+ x y) (* x y)) in y
0.138 * [taylor]: Taking taylor expansion of (+ x y) in y
0.138 * [taylor]: Taking taylor expansion of x in y
0.138 * [taylor]: Taking taylor expansion of y in y
0.138 * [taylor]: Taking taylor expansion of (* x y) in y
0.138 * [taylor]: Taking taylor expansion of x in y
0.138 * [taylor]: Taking taylor expansion of y in y
0.138 * [taylor]: Taking taylor expansion of (* 0.5 (/ (+ x y) (* x y))) in x
0.138 * [taylor]: Taking taylor expansion of 0.5 in x
0.138 * [taylor]: Taking taylor expansion of (/ (+ x y) (* x y)) in x
0.138 * [taylor]: Taking taylor expansion of (+ x y) in x
0.138 * [taylor]: Taking taylor expansion of x in x
0.138 * [taylor]: Taking taylor expansion of y in x
0.138 * [taylor]: Taking taylor expansion of (* x y) in x
0.138 * [taylor]: Taking taylor expansion of x in x
0.138 * [taylor]: Taking taylor expansion of y in x
0.138 * [taylor]: Taking taylor expansion of (* 0.5 (/ (+ x y) (* x y))) in x
0.138 * [taylor]: Taking taylor expansion of 0.5 in x
0.138 * [taylor]: Taking taylor expansion of (/ (+ x y) (* x y)) in x
0.138 * [taylor]: Taking taylor expansion of (+ x y) in x
0.138 * [taylor]: Taking taylor expansion of x in x
0.138 * [taylor]: Taking taylor expansion of y in x
0.138 * [taylor]: Taking taylor expansion of (* x y) in x
0.138 * [taylor]: Taking taylor expansion of x in x
0.138 * [taylor]: Taking taylor expansion of y in x
0.138 * [taylor]: Taking taylor expansion of 0.5 in y
0.138 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.138 * [taylor]: Taking taylor expansion of 0.5 in y
0.138 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.138 * [taylor]: Taking taylor expansion of y in y
0.139 * [taylor]: Taking taylor expansion of 0 in y
0.139 * [taylor]: Taking taylor expansion of 0 in y
0.139 * [taylor]: Taking taylor expansion of 0 in y
0.139 * [approximate]: Taking taylor expansion of (* 0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in (x y) around 0
0.139 * [taylor]: Taking taylor expansion of (* 0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in y
0.139 * [taylor]: Taking taylor expansion of 0.5 in y
0.139 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (* y x)) in y
0.139 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.140 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.140 * [taylor]: Taking taylor expansion of y in y
0.140 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.140 * [taylor]: Taking taylor expansion of x in y
0.140 * [taylor]: Taking taylor expansion of (* y x) in y
0.140 * [taylor]: Taking taylor expansion of y in y
0.140 * [taylor]: Taking taylor expansion of x in y
0.140 * [taylor]: Taking taylor expansion of (* 0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in x
0.140 * [taylor]: Taking taylor expansion of 0.5 in x
0.140 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (* y x)) in x
0.140 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.140 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.140 * [taylor]: Taking taylor expansion of y in x
0.140 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.140 * [taylor]: Taking taylor expansion of x in x
0.140 * [taylor]: Taking taylor expansion of (* y x) in x
0.140 * [taylor]: Taking taylor expansion of y in x
0.140 * [taylor]: Taking taylor expansion of x in x
0.140 * [taylor]: Taking taylor expansion of (* 0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in x
0.140 * [taylor]: Taking taylor expansion of 0.5 in x
0.140 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (* y x)) in x
0.140 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.140 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.140 * [taylor]: Taking taylor expansion of y in x
0.140 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.140 * [taylor]: Taking taylor expansion of x in x
0.140 * [taylor]: Taking taylor expansion of (* y x) in x
0.140 * [taylor]: Taking taylor expansion of y in x
0.140 * [taylor]: Taking taylor expansion of x in x
0.140 * [taylor]: Taking taylor expansion of 0 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 0.5 in y
0.141 * [taylor]: Taking taylor expansion of 0 in y
0.141 * [taylor]: Taking taylor expansion of 0 in y
0.142 * [taylor]: Taking taylor expansion of 0 in y
0.142 * [approximate]: Taking taylor expansion of (* -0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in (x y) around 0
0.142 * [taylor]: Taking taylor expansion of (* -0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in y
0.142 * [taylor]: Taking taylor expansion of -0.5 in y
0.142 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (* y x)) in y
0.142 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.142 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.142 * [taylor]: Taking taylor expansion of y in y
0.142 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.142 * [taylor]: Taking taylor expansion of x in y
0.142 * [taylor]: Taking taylor expansion of (* y x) in y
0.142 * [taylor]: Taking taylor expansion of y in y
0.142 * [taylor]: Taking taylor expansion of x in y
0.142 * [taylor]: Taking taylor expansion of (* -0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in x
0.142 * [taylor]: Taking taylor expansion of -0.5 in x
0.142 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (* y x)) in x
0.142 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.142 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.142 * [taylor]: Taking taylor expansion of y in x
0.142 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.142 * [taylor]: Taking taylor expansion of x in x
0.142 * [taylor]: Taking taylor expansion of (* y x) in x
0.142 * [taylor]: Taking taylor expansion of y in x
0.142 * [taylor]: Taking taylor expansion of x in x
0.142 * [taylor]: Taking taylor expansion of (* -0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in x
0.142 * [taylor]: Taking taylor expansion of -0.5 in x
0.142 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (* y x)) in x
0.142 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.142 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.142 * [taylor]: Taking taylor expansion of y in x
0.142 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.142 * [taylor]: Taking taylor expansion of x in x
0.142 * [taylor]: Taking taylor expansion of (* y x) in x
0.142 * [taylor]: Taking taylor expansion of y in x
0.142 * [taylor]: Taking taylor expansion of x in x
0.142 * [taylor]: Taking taylor expansion of 0 in y
0.143 * [taylor]: Taking taylor expansion of (neg (* 0.5 y)) in y
0.143 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.143 * [taylor]: Taking taylor expansion of 0.5 in y
0.143 * [taylor]: Taking taylor expansion of y in y
0.143 * [taylor]: Taking taylor expansion of (neg 0.5) in y
0.143 * [taylor]: Taking taylor expansion of 0.5 in y
0.143 * [taylor]: Taking taylor expansion of 0 in y
0.144 * [taylor]: Taking taylor expansion of 0 in y
0.144 * [taylor]: Taking taylor expansion of 0 in y
0.144 * * * [progress]: simplifying candidates
0.145 * [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 y)) (* 0.5 (/ 1 x)))
  (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))
  (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))
0.171 * * [simplify]: iteration  0 :  5438  enodes  (cost  314 )
0.172 * [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 y) (/ 0.5 x))
  (+ (/ 0.5 y) (/ 0.5 x))
  (+ (/ 0.5 y) (/ 0.5 x))
0.172 * * * [progress]: adding candidates to table
0.218 * * [progress]: iteration 2 / 4
0.218 * * * [progress]: picking best candidate
0.224 * * * * [pick]: Picked  #<alt (λ (x y) (+ (/ 0.5 y) (/ 0.5 x)))>
0.224 * * * [progress]: localizing error
0.228 * * * [progress]: generating rewritten candidates
0.229 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.241 * * * [progress]: generating series expansions
0.241 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.241 * [approximate]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in (y x) around 0
0.241 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x
0.241 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
0.241 * [taylor]: Taking taylor expansion of 0.5 in x
0.241 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.241 * [taylor]: Taking taylor expansion of y in x
0.241 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.241 * [taylor]: Taking taylor expansion of 0.5 in x
0.241 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.241 * [taylor]: Taking taylor expansion of x in x
0.241 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in y
0.241 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.241 * [taylor]: Taking taylor expansion of 0.5 in y
0.241 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.241 * [taylor]: Taking taylor expansion of y in y
0.241 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
0.241 * [taylor]: Taking taylor expansion of 0.5 in y
0.241 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.241 * [taylor]: Taking taylor expansion of x in y
0.241 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in y
0.241 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.241 * [taylor]: Taking taylor expansion of 0.5 in y
0.241 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.241 * [taylor]: Taking taylor expansion of y in y
0.241 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
0.242 * [taylor]: Taking taylor expansion of 0.5 in y
0.242 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.242 * [taylor]: Taking taylor expansion of x in y
0.242 * [taylor]: Taking taylor expansion of 0.5 in x
0.242 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.242 * [taylor]: Taking taylor expansion of 0.5 in x
0.242 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.242 * [taylor]: Taking taylor expansion of x in x
0.242 * [taylor]: Taking taylor expansion of 0 in x
0.242 * [taylor]: Taking taylor expansion of 0 in x
0.243 * [taylor]: Taking taylor expansion of 0 in x
0.243 * [approximate]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in (y x) around 0
0.243 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x
0.243 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.243 * [taylor]: Taking taylor expansion of 0.5 in x
0.243 * [taylor]: Taking taylor expansion of x in x
0.243 * [taylor]: Taking taylor expansion of (* 0.5 y) in x
0.243 * [taylor]: Taking taylor expansion of 0.5 in x
0.243 * [taylor]: Taking taylor expansion of y in x
0.243 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in y
0.243 * [taylor]: Taking taylor expansion of (* 0.5 x) in y
0.243 * [taylor]: Taking taylor expansion of 0.5 in y
0.243 * [taylor]: Taking taylor expansion of x in y
0.243 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.243 * [taylor]: Taking taylor expansion of 0.5 in y
0.243 * [taylor]: Taking taylor expansion of y in y
0.243 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in y
0.243 * [taylor]: Taking taylor expansion of (* 0.5 x) in y
0.243 * [taylor]: Taking taylor expansion of 0.5 in y
0.243 * [taylor]: Taking taylor expansion of x in y
0.243 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.243 * [taylor]: Taking taylor expansion of 0.5 in y
0.243 * [taylor]: Taking taylor expansion of y in y
0.243 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.243 * [taylor]: Taking taylor expansion of 0.5 in x
0.243 * [taylor]: Taking taylor expansion of x in x
0.243 * [taylor]: Taking taylor expansion of 0.5 in x
0.243 * [taylor]: Taking taylor expansion of 0 in x
0.244 * [taylor]: Taking taylor expansion of 0 in x
0.244 * [approximate]: Taking taylor expansion of (neg (+ (* 0.5 x) (* 0.5 y))) in (y x) around 0
0.244 * [taylor]: Taking taylor expansion of (neg (+ (* 0.5 x) (* 0.5 y))) in x
0.244 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x
0.244 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.244 * [taylor]: Taking taylor expansion of 0.5 in x
0.244 * [taylor]: Taking taylor expansion of x in x
0.244 * [taylor]: Taking taylor expansion of (* 0.5 y) in x
0.244 * [taylor]: Taking taylor expansion of 0.5 in x
0.244 * [taylor]: Taking taylor expansion of y in x
0.244 * [taylor]: Taking taylor expansion of (neg (+ (* 0.5 x) (* 0.5 y))) in y
0.244 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in y
0.244 * [taylor]: Taking taylor expansion of (* 0.5 x) in y
0.244 * [taylor]: Taking taylor expansion of 0.5 in y
0.244 * [taylor]: Taking taylor expansion of x in y
0.244 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.244 * [taylor]: Taking taylor expansion of 0.5 in y
0.244 * [taylor]: Taking taylor expansion of y in y
0.244 * [taylor]: Taking taylor expansion of (neg (+ (* 0.5 x) (* 0.5 y))) in y
0.244 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in y
0.244 * [taylor]: Taking taylor expansion of (* 0.5 x) in y
0.244 * [taylor]: Taking taylor expansion of 0.5 in y
0.244 * [taylor]: Taking taylor expansion of x in y
0.244 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.244 * [taylor]: Taking taylor expansion of 0.5 in y
0.244 * [taylor]: Taking taylor expansion of y in y
0.244 * [taylor]: Taking taylor expansion of (neg (* 0.5 x)) in x
0.244 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.244 * [taylor]: Taking taylor expansion of 0.5 in x
0.244 * [taylor]: Taking taylor expansion of x in x
0.244 * [taylor]: Taking taylor expansion of (neg 0.5) in x
0.244 * [taylor]: Taking taylor expansion of 0.5 in x
0.245 * [taylor]: Taking taylor expansion of 0 in x
0.245 * [taylor]: Taking taylor expansion of 0 in x
0.245 * * * [progress]: simplifying candidates
0.245 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (exp (/ 0.5 y)) (exp (/ 0.5 x)))
  (log (+ (/ 0.5 y) (/ 0.5 x)))
  (exp (+ (/ 0.5 y) (/ 0.5 x)))
  (* (cbrt (+ (/ 0.5 y) (/ 0.5 x))) (cbrt (+ (/ 0.5 y) (/ 0.5 x))))
  (cbrt (+ (/ 0.5 y) (/ 0.5 x)))
  (* (* (+ (/ 0.5 y) (/ 0.5 x)) (+ (/ 0.5 y) (/ 0.5 x))) (+ (/ 0.5 y) (/ 0.5 x)))
  (sqrt (+ (/ 0.5 y) (/ 0.5 x)))
  (sqrt (+ (/ 0.5 y) (/ 0.5 x)))
  (+ (* 0.5 x) (* y 0.5))
  (* y x)
  (+ (pow (/ 0.5 y) 3) (pow (/ 0.5 x) 3))
  (+ (* (/ 0.5 y) (/ 0.5 y)) (- (* (/ 0.5 x) (/ 0.5 x)) (* (/ 0.5 y) (/ 0.5 x))))
  (- (* (/ 0.5 y) (/ 0.5 y)) (* (/ 0.5 x) (/ 0.5 x)))
  (- (/ 0.5 y) (/ 0.5 x))
  (+ (/ (cbrt 0.5) y) (/ (cbrt 0.5) x))
  (+ (/ (sqrt 0.5) y) (/ (sqrt 0.5) x))
  (+ (/ 0.5 y) (/ 0.5 x))
  (+ (/ 0.5 y) (/ 0.5 x))
  (+ (/ 1 y) (/ 1 x))
  (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))
  (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))
  (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))
0.293 * * [simplify]: iteration  0 :  4950  enodes  (cost  190 )
0.293 * * [simplify]: iteration  1 :  4950  enodes  (cost  190 )
0.294 * [simplify]: Simplified to:
   (exp (+ (/ 0.5 y) (/ 0.5 x)))
  (log (+ (/ 0.5 y) (/ 0.5 x)))
  (exp (+ (/ 0.5 y) (/ 0.5 x)))
  (* (cbrt (+ (/ 0.5 y) (/ 0.5 x))) (cbrt (+ (/ 0.5 y) (/ 0.5 x))))
  (cbrt (+ (/ 0.5 y) (/ 0.5 x)))
  (pow (+ (/ 0.5 y) (/ 0.5 x)) 3)
  (sqrt (+ (/ 0.5 y) (/ 0.5 x)))
  (sqrt (+ (/ 0.5 y) (/ 0.5 x)))
  (* 0.5 (+ y x))
  (* y x)
  (+ (pow (/ 0.5 y) 3) (pow (/ 0.5 x) 3))
  (* 0.5 (+ (/ 0.5 (* y y)) (/ (- (/ 0.5 x) (/ 0.5 y)) x)))
  (* 0.5 (- (/ 0.5 (* y y)) (/ 0.5 (* x x))))
  (- (/ 0.5 y) (/ 0.5 x))
  (+ (/ (cbrt 0.5) y) (/ (cbrt 0.5) x))
  (+ (/ (sqrt 0.5) y) (/ (sqrt 0.5) x))
  (+ (/ 0.5 y) (/ 0.5 x))
  (+ (/ 0.5 y) (/ 0.5 x))
  (+ (/ 1 y) (/ 1 x))
  (+ (/ 0.5 y) (/ 0.5 x))
  (+ (/ 0.5 y) (/ 0.5 x))
  (+ (/ 0.5 y) (/ 0.5 x))
0.294 * * * [progress]: adding candidates to table
0.321 * * [progress]: iteration 3 / 4
0.321 * * * [progress]: picking best candidate
0.325 * * * * [pick]: Picked  #<alt (λ (x y) (* (/ 1 (* x 2.0)) (/ (+ x y) y)))>
0.325 * * * [progress]: localizing error
0.332 * * * [progress]: generating rewritten candidates
0.332 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.345 * * * * [progress]: [ 2 / 2 ] rewriting at (2 2)
0.354 * * * [progress]: generating series expansions
0.354 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.354 * [approximate]: Taking taylor expansion of (* 0.5 (/ (+ x y) (* x y))) in (x y) around 0
0.354 * [taylor]: Taking taylor expansion of (* 0.5 (/ (+ x y) (* x y))) in y
0.354 * [taylor]: Taking taylor expansion of 0.5 in y
0.354 * [taylor]: Taking taylor expansion of (/ (+ x y) (* x y)) in y
0.354 * [taylor]: Taking taylor expansion of (+ x y) in y
0.354 * [taylor]: Taking taylor expansion of x in y
0.354 * [taylor]: Taking taylor expansion of y in y
0.354 * [taylor]: Taking taylor expansion of (* x y) in y
0.354 * [taylor]: Taking taylor expansion of x in y
0.354 * [taylor]: Taking taylor expansion of y in y
0.354 * [taylor]: Taking taylor expansion of (* 0.5 (/ (+ x y) (* x y))) in x
0.354 * [taylor]: Taking taylor expansion of 0.5 in x
0.354 * [taylor]: Taking taylor expansion of (/ (+ x y) (* x y)) in x
0.354 * [taylor]: Taking taylor expansion of (+ x y) in x
0.354 * [taylor]: Taking taylor expansion of x in x
0.355 * [taylor]: Taking taylor expansion of y in x
0.355 * [taylor]: Taking taylor expansion of (* x y) in x
0.355 * [taylor]: Taking taylor expansion of x in x
0.355 * [taylor]: Taking taylor expansion of y in x
0.355 * [taylor]: Taking taylor expansion of (* 0.5 (/ (+ x y) (* x y))) in x
0.355 * [taylor]: Taking taylor expansion of 0.5 in x
0.355 * [taylor]: Taking taylor expansion of (/ (+ x y) (* x y)) in x
0.355 * [taylor]: Taking taylor expansion of (+ x y) in x
0.355 * [taylor]: Taking taylor expansion of x in x
0.355 * [taylor]: Taking taylor expansion of y in x
0.355 * [taylor]: Taking taylor expansion of (* x y) in x
0.355 * [taylor]: Taking taylor expansion of x in x
0.355 * [taylor]: Taking taylor expansion of y in x
0.355 * [taylor]: Taking taylor expansion of 0.5 in y
0.355 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.355 * [taylor]: Taking taylor expansion of 0.5 in y
0.355 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.355 * [taylor]: Taking taylor expansion of y in y
0.355 * [taylor]: Taking taylor expansion of 0 in y
0.356 * [taylor]: Taking taylor expansion of 0 in y
0.356 * [taylor]: Taking taylor expansion of 0 in y
0.356 * [approximate]: Taking taylor expansion of (* 0.5 (* x (* y (+ (/ 1 y) (/ 1 x))))) in (x y) around 0
0.356 * [taylor]: Taking taylor expansion of (* 0.5 (* x (* y (+ (/ 1 y) (/ 1 x))))) in y
0.356 * [taylor]: Taking taylor expansion of 0.5 in y
0.356 * [taylor]: Taking taylor expansion of (* x (* y (+ (/ 1 y) (/ 1 x)))) in y
0.356 * [taylor]: Taking taylor expansion of x in y
0.356 * [taylor]: Taking taylor expansion of (* y (+ (/ 1 y) (/ 1 x))) in y
0.356 * [taylor]: Taking taylor expansion of y in y
0.356 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.356 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.356 * [taylor]: Taking taylor expansion of y in y
0.356 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.356 * [taylor]: Taking taylor expansion of x in y
0.356 * [taylor]: Taking taylor expansion of (* 0.5 (* x (* y (+ (/ 1 y) (/ 1 x))))) in x
0.356 * [taylor]: Taking taylor expansion of 0.5 in x
0.356 * [taylor]: Taking taylor expansion of (* x (* y (+ (/ 1 y) (/ 1 x)))) in x
0.356 * [taylor]: Taking taylor expansion of x in x
0.356 * [taylor]: Taking taylor expansion of (* y (+ (/ 1 y) (/ 1 x))) in x
0.356 * [taylor]: Taking taylor expansion of y in x
0.356 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.356 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.356 * [taylor]: Taking taylor expansion of y in x
0.356 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.356 * [taylor]: Taking taylor expansion of x in x
0.356 * [taylor]: Taking taylor expansion of (* 0.5 (* x (* y (+ (/ 1 y) (/ 1 x))))) in x
0.357 * [taylor]: Taking taylor expansion of 0.5 in x
0.357 * [taylor]: Taking taylor expansion of (* x (* y (+ (/ 1 y) (/ 1 x)))) in x
0.357 * [taylor]: Taking taylor expansion of x in x
0.357 * [taylor]: Taking taylor expansion of (* y (+ (/ 1 y) (/ 1 x))) in x
0.357 * [taylor]: Taking taylor expansion of y in x
0.357 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.357 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.357 * [taylor]: Taking taylor expansion of y in x
0.357 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.357 * [taylor]: Taking taylor expansion of x in x
0.357 * [taylor]: Taking taylor expansion of 0 in y
0.357 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.357 * [taylor]: Taking taylor expansion of 0.5 in y
0.357 * [taylor]: Taking taylor expansion of y in y
0.357 * [taylor]: Taking taylor expansion of 0.5 in y
0.357 * [taylor]: Taking taylor expansion of 0 in y
0.358 * [taylor]: Taking taylor expansion of 0 in y
0.358 * [taylor]: Taking taylor expansion of 0 in y
0.358 * [approximate]: Taking taylor expansion of (* -0.5 (* x (* y (+ (/ 1 y) (/ 1 x))))) in (x y) around 0
0.358 * [taylor]: Taking taylor expansion of (* -0.5 (* x (* y (+ (/ 1 y) (/ 1 x))))) in y
0.358 * [taylor]: Taking taylor expansion of -0.5 in y
0.358 * [taylor]: Taking taylor expansion of (* x (* y (+ (/ 1 y) (/ 1 x)))) in y
0.359 * [taylor]: Taking taylor expansion of x in y
0.359 * [taylor]: Taking taylor expansion of (* y (+ (/ 1 y) (/ 1 x))) in y
0.359 * [taylor]: Taking taylor expansion of y in y
0.359 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.359 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.359 * [taylor]: Taking taylor expansion of y in y
0.359 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.359 * [taylor]: Taking taylor expansion of x in y
0.359 * [taylor]: Taking taylor expansion of (* -0.5 (* x (* y (+ (/ 1 y) (/ 1 x))))) in x
0.359 * [taylor]: Taking taylor expansion of -0.5 in x
0.359 * [taylor]: Taking taylor expansion of (* x (* y (+ (/ 1 y) (/ 1 x)))) in x
0.359 * [taylor]: Taking taylor expansion of x in x
0.359 * [taylor]: Taking taylor expansion of (* y (+ (/ 1 y) (/ 1 x))) in x
0.359 * [taylor]: Taking taylor expansion of y in x
0.359 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.359 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.359 * [taylor]: Taking taylor expansion of y in x
0.359 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.359 * [taylor]: Taking taylor expansion of x in x
0.359 * [taylor]: Taking taylor expansion of (* -0.5 (* x (* y (+ (/ 1 y) (/ 1 x))))) in x
0.359 * [taylor]: Taking taylor expansion of -0.5 in x
0.359 * [taylor]: Taking taylor expansion of (* x (* y (+ (/ 1 y) (/ 1 x)))) in x
0.359 * [taylor]: Taking taylor expansion of x in x
0.359 * [taylor]: Taking taylor expansion of (* y (+ (/ 1 y) (/ 1 x))) in x
0.359 * [taylor]: Taking taylor expansion of y in x
0.359 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.359 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.359 * [taylor]: Taking taylor expansion of y in x
0.359 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.359 * [taylor]: Taking taylor expansion of x in x
0.359 * [taylor]: Taking taylor expansion of 0 in y
0.359 * [taylor]: Taking taylor expansion of (neg (* 0.5 y)) in y
0.359 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.359 * [taylor]: Taking taylor expansion of 0.5 in y
0.359 * [taylor]: Taking taylor expansion of y in y
0.360 * [taylor]: Taking taylor expansion of (neg 0.5) in y
0.360 * [taylor]: Taking taylor expansion of 0.5 in y
0.360 * [taylor]: Taking taylor expansion of 0 in y
0.360 * [taylor]: Taking taylor expansion of 0 in y
0.361 * [taylor]: Taking taylor expansion of 0 in y
0.361 * * * * [progress]: [ 2 / 2 ] generating series at (2 2)
0.361 * [approximate]: Taking taylor expansion of (/ (+ x y) y) in (x y) around 0
0.361 * [taylor]: Taking taylor expansion of (/ (+ x y) y) in y
0.361 * [taylor]: Taking taylor expansion of (+ x y) in y
0.361 * [taylor]: Taking taylor expansion of x in y
0.361 * [taylor]: Taking taylor expansion of y in y
0.361 * [taylor]: Taking taylor expansion of y in y
0.361 * [taylor]: Taking taylor expansion of (/ (+ x y) y) in x
0.361 * [taylor]: Taking taylor expansion of (+ x y) in x
0.361 * [taylor]: Taking taylor expansion of x in x
0.361 * [taylor]: Taking taylor expansion of y in x
0.361 * [taylor]: Taking taylor expansion of y in x
0.361 * [taylor]: Taking taylor expansion of (/ (+ x y) y) in x
0.361 * [taylor]: Taking taylor expansion of (+ x y) in x
0.361 * [taylor]: Taking taylor expansion of x in x
0.361 * [taylor]: Taking taylor expansion of y in x
0.361 * [taylor]: Taking taylor expansion of y in x
0.361 * [taylor]: Taking taylor expansion of 1 in y
0.361 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.361 * [taylor]: Taking taylor expansion of y in y
0.361 * [taylor]: Taking taylor expansion of 0 in y
0.362 * [taylor]: Taking taylor expansion of 0 in y
0.362 * [taylor]: Taking taylor expansion of 0 in y
0.362 * [approximate]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) y) in (x y) around 0
0.362 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) y) in y
0.362 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.362 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.362 * [taylor]: Taking taylor expansion of y in y
0.362 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.362 * [taylor]: Taking taylor expansion of x in y
0.362 * [taylor]: Taking taylor expansion of y in y
0.362 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) y) in x
0.362 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.362 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.362 * [taylor]: Taking taylor expansion of y in x
0.362 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.362 * [taylor]: Taking taylor expansion of x in x
0.362 * [taylor]: Taking taylor expansion of y in x
0.362 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) y) in x
0.362 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.362 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.362 * [taylor]: Taking taylor expansion of y in x
0.362 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.362 * [taylor]: Taking taylor expansion of x in x
0.362 * [taylor]: Taking taylor expansion of y in x
0.362 * [taylor]: Taking taylor expansion of y in y
0.362 * [taylor]: Taking taylor expansion of 1 in y
0.363 * [taylor]: Taking taylor expansion of 0 in y
0.363 * [taylor]: Taking taylor expansion of 0 in y
0.363 * [taylor]: Taking taylor expansion of 0 in y
0.363 * [approximate]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) y) in (x y) around 0
0.363 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) y) in y
0.363 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.363 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.363 * [taylor]: Taking taylor expansion of y in y
0.363 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.363 * [taylor]: Taking taylor expansion of x in y
0.363 * [taylor]: Taking taylor expansion of y in y
0.363 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) y) in x
0.363 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.363 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.363 * [taylor]: Taking taylor expansion of y in x
0.363 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.363 * [taylor]: Taking taylor expansion of x in x
0.364 * [taylor]: Taking taylor expansion of y in x
0.364 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) y) in x
0.364 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.364 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.364 * [taylor]: Taking taylor expansion of y in x
0.364 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.364 * [taylor]: Taking taylor expansion of x in x
0.364 * [taylor]: Taking taylor expansion of y in x
0.364 * [taylor]: Taking taylor expansion of y in y
0.364 * [taylor]: Taking taylor expansion of 1 in y
0.364 * [taylor]: Taking taylor expansion of 0 in y
0.364 * [taylor]: Taking taylor expansion of 0 in y
0.364 * [taylor]: Taking taylor expansion of 0 in y
0.365 * * * [progress]: simplifying candidates
0.366 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (/ 1 (* x 2.0)) (/ (+ x y) y))
  (+ (neg (+ (log x) (log 2.0))) (- (log (+ x y)) (log y)))
  (+ (neg (+ (log x) (log 2.0))) (log (/ (+ x y) y)))
  (+ (neg (log (* x 2.0))) (- (log (+ x y)) (log y)))
  (+ (neg (log (* x 2.0))) (log (/ (+ x y) y)))
  (+ (- 0 (+ (log x) (log 2.0))) (- (log (+ x y)) (log y)))
  (+ (- 0 (+ (log x) (log 2.0))) (log (/ (+ x y) y)))
  (+ (- 0 (log (* x 2.0))) (- (log (+ x y)) (log y)))
  (+ (- 0 (log (* x 2.0))) (log (/ (+ x y) y)))
  (+ (- (log 1) (+ (log x) (log 2.0))) (- (log (+ x y)) (log y)))
  (+ (- (log 1) (+ (log x) (log 2.0))) (log (/ (+ x y) y)))
  (+ (- (log 1) (log (* x 2.0))) (- (log (+ x y)) (log y)))
  (+ (- (log 1) (log (* x 2.0))) (log (/ (+ x y) y)))
  (+ (log (/ 1 (* x 2.0))) (- (log (+ x y)) (log y)))
  (+ (log (/ 1 (* x 2.0))) (log (/ (+ x y) y)))
  (log (* (/ 1 (* x 2.0)) (/ (+ x y) y)))
  (exp (* (/ 1 (* x 2.0)) (/ (+ x y) y)))
  (* (/ (* (* 1 1) 1) (* (* (* x x) x) (* (* 2.0 2.0) 2.0))) (/ (* (* (+ x y) (+ x y)) (+ x y)) (* (* y y) y)))
  (* (/ (* (* 1 1) 1) (* (* (* x x) x) (* (* 2.0 2.0) 2.0))) (* (* (/ (+ x y) y) (/ (+ x y) y)) (/ (+ x y) y)))
  (* (/ (* (* 1 1) 1) (* (* (* x 2.0) (* x 2.0)) (* x 2.0))) (/ (* (* (+ x y) (+ x y)) (+ x y)) (* (* y y) y)))
  (* (/ (* (* 1 1) 1) (* (* (* x 2.0) (* x 2.0)) (* x 2.0))) (* (* (/ (+ x y) y) (/ (+ x y) y)) (/ (+ x y) y)))
  (* (* (* (/ 1 (* x 2.0)) (/ 1 (* x 2.0))) (/ 1 (* x 2.0))) (/ (* (* (+ x y) (+ x y)) (+ x y)) (* (* y y) y)))
  (* (* (* (/ 1 (* x 2.0)) (/ 1 (* x 2.0))) (/ 1 (* x 2.0))) (* (* (/ (+ x y) y) (/ (+ x y) y)) (/ (+ x y) y)))
  (* (cbrt (* (/ 1 (* x 2.0)) (/ (+ x y) y))) (cbrt (* (/ 1 (* x 2.0)) (/ (+ x y) y))))
  (cbrt (* (/ 1 (* x 2.0)) (/ (+ x y) y)))
  (* (* (* (/ 1 (* x 2.0)) (/ (+ x y) y)) (* (/ 1 (* x 2.0)) (/ (+ x y) y))) (* (/ 1 (* x 2.0)) (/ (+ x y) y)))
  (sqrt (* (/ 1 (* x 2.0)) (/ (+ x y) y)))
  (sqrt (* (/ 1 (* x 2.0)) (/ (+ x y) y)))
  (* 1 (+ x y))
  (* (* x 2.0) y)
  (* (sqrt (/ 1 (* x 2.0))) (sqrt (/ (+ x y) y)))
  (* (sqrt (/ 1 (* x 2.0))) (sqrt (/ (+ x y) y)))
  (* (sqrt (/ 1 (* x 2.0))) (/ (sqrt (+ x y)) (sqrt y)))
  (* (sqrt (/ 1 (* x 2.0))) (/ (sqrt (+ x y)) (sqrt y)))
  (* (/ 1 (* x 2.0)) (* (cbrt (/ (+ x y) y)) (cbrt (/ (+ x y) y))))
  (* (/ 1 (* x 2.0)) (sqrt (/ (+ x y) y)))
  (* (/ 1 (* x 2.0)) (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (* (cbrt y) (cbrt y))))
  (* (/ 1 (* x 2.0)) (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (sqrt y)))
  (* (/ 1 (* x 2.0)) (/ (* (cbrt (+ x y)) (cbrt (+ x y))) 1))
  (* (/ 1 (* x 2.0)) (/ (sqrt (+ x y)) (* (cbrt y) (cbrt y))))
  (* (/ 1 (* x 2.0)) (/ (sqrt (+ x y)) (sqrt y)))
  (* (/ 1 (* x 2.0)) (/ (sqrt (+ x y)) 1))
  (* (/ 1 (* x 2.0)) (/ 1 (* (cbrt y) (cbrt y))))
  (* (/ 1 (* x 2.0)) (/ 1 (sqrt y)))
  (* (/ 1 (* x 2.0)) (/ 1 1))
  (* (/ 1 (* x 2.0)) (/ 1 (* (cbrt y) (cbrt y))))
  (* (/ 1 (* x 2.0)) (/ 1 (sqrt y)))
  (* (/ 1 (* x 2.0)) (/ 1 1))
  (* (/ 1 (* x 2.0)) 1)
  (* (/ 1 (* x 2.0)) (+ x y))
  (* (cbrt (/ 1 (* x 2.0))) (/ (+ x y) y))
  (* (sqrt (/ 1 (* x 2.0))) (/ (+ x y) y))
  (* (/ (cbrt 1) 2.0) (/ (+ x y) y))
  (* (/ (sqrt 1) 2.0) (/ (+ x y) y))
  (* (/ 1 2.0) (/ (+ x y) y))
  (* (/ 1 (* x 2.0)) (/ (+ x y) y))
  (* (/ 1 (* x 2.0)) (/ (+ x y) y))
  (* (/ 1 (* x 2.0)) (+ x y))
  (* 1 (/ (+ x y) y))
  (- (log (+ x y)) (log y))
  (log (/ (+ x y) y))
  (exp (/ (+ x y) y))
  (/ (* (* (+ x y) (+ x y)) (+ x y)) (* (* y y) y))
  (* (cbrt (/ (+ x y) y)) (cbrt (/ (+ x y) y)))
  (cbrt (/ (+ x y) y))
  (* (* (/ (+ x y) y) (/ (+ x y) y)) (/ (+ x y) y))
  (sqrt (/ (+ x y) y))
  (sqrt (/ (+ x y) y))
  (neg (+ x y))
  (neg y)
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (* (cbrt y) (cbrt y)))
  (/ (cbrt (+ x y)) (cbrt y))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (sqrt y))
  (/ (cbrt (+ x y)) (sqrt y))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) 1)
  (/ (cbrt (+ x y)) y)
  (/ (sqrt (+ x y)) (* (cbrt y) (cbrt y)))
  (/ (sqrt (+ x y)) (cbrt y))
  (/ (sqrt (+ x y)) (sqrt y))
  (/ (sqrt (+ x y)) (sqrt y))
  (/ (sqrt (+ x y)) 1)
  (/ (sqrt (+ x y)) y)
  (/ 1 (* (cbrt y) (cbrt y)))
  (/ (+ x y) (cbrt y))
  (/ 1 (sqrt y))
  (/ (+ x y) (sqrt y))
  (/ 1 1)
  (/ (+ x y) y)
  (/ 1 (* (cbrt y) (cbrt y)))
  (/ (+ x y) (cbrt y))
  (/ 1 (sqrt y))
  (/ (+ x y) (sqrt y))
  (/ 1 1)
  (/ (+ x y) y)
  (/ 1 y)
  (/ y (+ x y))
  (/ (+ x y) (* (cbrt y) (cbrt y)))
  (/ (+ x y) (sqrt y))
  (/ (+ x y) 1)
  (/ y (cbrt (+ x y)))
  (/ y (sqrt (+ x y)))
  (/ y (+ x y))
  (/ y (+ x y))
  (* y (+ (* x x) (- (* y y) (* x y))))
  (* y (- x y))
  (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))
  (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))
  (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))
  (+ (/ x y) 1)
  (+ (/ x y) 1)
  (+ (/ x y) 1)
0.417 * * [simplify]: iteration  0 :  4974  enodes  (cost  929 )
0.417 * * [simplify]: iteration  1 :  4974  enodes  (cost  929 )
0.420 * [simplify]: Simplified to:
   (/ (+ x y) (* x (* 2.0 y)))
  (log (/ (+ x y) (* x (* 2.0 y))))
  (log (/ (+ x y) (* x (* 2.0 y))))
  (log (/ (+ x y) (* x (* 2.0 y))))
  (log (/ (+ x y) (* x (* 2.0 y))))
  (log (/ (+ x y) (* x (* 2.0 y))))
  (log (/ (+ x y) (* x (* 2.0 y))))
  (log (/ (+ x y) (* x (* 2.0 y))))
  (log (/ (+ x y) (* x (* 2.0 y))))
  (log (/ (+ x y) (* x (* 2.0 y))))
  (log (/ (+ x y) (* x (* 2.0 y))))
  (log (/ (+ x y) (* x (* 2.0 y))))
  (log (/ (+ x y) (* x (* 2.0 y))))
  (log (/ (+ x y) (* x (* 2.0 y))))
  (log (/ (+ x y) (* x (* 2.0 y))))
  (log (/ (+ x y) (* x (* 2.0 y))))
  (exp (/ (+ x y) (* x (* 2.0 y))))
  (pow (/ (+ x y) (* x (* 2.0 y))) 3)
  (pow (/ (+ x y) (* x (* 2.0 y))) 3)
  (pow (/ (+ x y) (* x (* 2.0 y))) 3)
  (pow (/ (+ x y) (* x (* 2.0 y))) 3)
  (pow (/ (+ x y) (* x (* 2.0 y))) 3)
  (pow (/ (+ x y) (* x (* 2.0 y))) 3)
  (* (cbrt (/ (+ x y) (* x (* 2.0 y)))) (cbrt (/ (+ x y) (* x (* 2.0 y)))))
  (cbrt (/ (+ x y) (* x (* 2.0 y))))
  (pow (/ (+ x y) (* x (* 2.0 y))) 3)
  (sqrt (/ (+ x y) (* x (* 2.0 y))))
  (sqrt (/ (+ x y) (* x (* 2.0 y))))
  (+ x y)
  (* x (* 2.0 y))
  (* (sqrt (/ 1 (* x 2.0))) (sqrt (/ (+ x y) y)))
  (* (sqrt (/ 1 (* x 2.0))) (sqrt (/ (+ x y) y)))
  (* (sqrt (/ 1 (* x 2.0))) (/ (sqrt (+ x y)) (sqrt y)))
  (* (sqrt (/ 1 (* x 2.0))) (/ (sqrt (+ x y)) (sqrt y)))
  (* (cbrt (/ (+ x y) y)) (/ (cbrt (/ (+ x y) y)) (* x 2.0)))
  (/ (sqrt (/ (+ x y) y)) (* x 2.0))
  (/ (cbrt (+ x y)) (/ (* (* x 2.0) (* (cbrt y) (cbrt y))) (cbrt (+ x y))))
  (/ (cbrt (+ x y)) (/ (* (* x 2.0) (sqrt y)) (cbrt (+ x y))))
  (/ (cbrt (+ x y)) (/ (* x 2.0) (cbrt (+ x y))))
  (/ (sqrt (+ x y)) (* (* x 2.0) (* (cbrt y) (cbrt y))))
  (/ (sqrt (+ x y)) (* (* x 2.0) (sqrt y)))
  (/ (sqrt (+ x y)) (* x 2.0))
  (/ 1 (* (* x 2.0) (* (cbrt y) (cbrt y))))
  (/ 1 (* (* x 2.0) (sqrt y)))
  (/ 1 (* x 2.0))
  (/ 1 (* (* x 2.0) (* (cbrt y) (cbrt y))))
  (/ 1 (* (* x 2.0) (sqrt y)))
  (/ 1 (* x 2.0))
  (/ 1 (* x 2.0))
  (/ (+ x y) (* x 2.0))
  (* (/ (+ x y) y) (cbrt (/ 1 (* x 2.0))))
  (* (/ (+ x y) y) (sqrt (/ 1 (* x 2.0))))
  (* (/ (+ x y) y) (/ (cbrt 1) 2.0))
  (/ (+ x y) (* 2.0 y))
  (/ (+ x y) (* 2.0 y))
  (/ (+ x y) (* x (* 2.0 y)))
  (/ (+ x y) (* x (* 2.0 y)))
  (/ (+ x y) (* x 2.0))
  (/ (+ x y) y)
  (log (/ (+ x y) y))
  (log (/ (+ x y) y))
  (exp (/ (+ x y) y))
  (pow (/ (+ x y) y) 3)
  (* (cbrt (/ (+ x y) y)) (cbrt (/ (+ x y) y)))
  (cbrt (/ (+ x y) y))
  (pow (/ (+ x y) y) 3)
  (sqrt (/ (+ x y) y))
  (sqrt (/ (+ x y) y))
  (- (neg y) x)
  (neg y)
  (* (cbrt (+ x y)) (/ (cbrt (+ x y)) (* (cbrt y) (cbrt y))))
  (/ (cbrt (+ x y)) (cbrt y))
  (* (cbrt (+ x y)) (/ (cbrt (+ x y)) (sqrt y)))
  (/ (cbrt (+ x y)) (sqrt y))
  (* (cbrt (+ x y)) (cbrt (+ x y)))
  (/ (cbrt (+ x y)) y)
  (/ (sqrt (+ x y)) (* (cbrt y) (cbrt y)))
  (/ (sqrt (+ x y)) (cbrt y))
  (/ (sqrt (+ x y)) (sqrt y))
  (/ (sqrt (+ x y)) (sqrt y))
  (sqrt (+ x y))
  (/ (sqrt (+ x y)) y)
  (/ 1 (* (cbrt y) (cbrt y)))
  (/ (+ x y) (cbrt y))
  (/ 1 (sqrt y))
  (/ (+ x y) (sqrt y))
  1
  (/ (+ x y) y)
  (/ 1 (* (cbrt y) (cbrt y)))
  (/ (+ x y) (cbrt y))
  (/ 1 (sqrt y))
  (/ (+ x y) (sqrt y))
  1
  (/ (+ x y) y)
  (/ 1 y)
  (/ y (+ x y))
  (/ (+ x y) (* (cbrt y) (cbrt y)))
  (/ (+ x y) (sqrt y))
  (+ x y)
  (/ y (cbrt (+ x y)))
  (/ y (sqrt (+ x y)))
  (/ y (+ x y))
  (/ y (+ x y))
  (+ (pow y 3) (* y (* x (- x y))))
  (* y (- x y))
  (+ (/ 0.5 y) (/ 0.5 x))
  (+ (/ 0.5 y) (/ 0.5 x))
  (+ (/ 0.5 y) (/ 0.5 x))
  (+ 1 (/ x y))
  (+ 1 (/ x y))
  (+ 1 (/ x y))
0.421 * * * [progress]: adding candidates to table
0.541 * * [progress]: iteration 4 / 4
0.541 * * * [progress]: picking best candidate
0.544 * * * * [pick]: Picked  #<alt (λ (x y) (/ (/ (+ x y) (* x 2.0)) y))>
0.544 * * * [progress]: localizing error
0.549 * * * [progress]: generating rewritten candidates
0.549 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.557 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.568 * * * [progress]: generating series expansions
0.568 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.568 * [approximate]: Taking taylor expansion of (* 0.5 (/ (+ x y) (* x y))) in (x y) around 0
0.568 * [taylor]: Taking taylor expansion of (* 0.5 (/ (+ x y) (* x y))) in y
0.568 * [taylor]: Taking taylor expansion of 0.5 in y
0.568 * [taylor]: Taking taylor expansion of (/ (+ x y) (* x y)) in y
0.568 * [taylor]: Taking taylor expansion of (+ x y) in y
0.568 * [taylor]: Taking taylor expansion of x in y
0.568 * [taylor]: Taking taylor expansion of y in y
0.568 * [taylor]: Taking taylor expansion of (* x y) in y
0.568 * [taylor]: Taking taylor expansion of x in y
0.568 * [taylor]: Taking taylor expansion of y in y
0.568 * [taylor]: Taking taylor expansion of (* 0.5 (/ (+ x y) (* x y))) in x
0.568 * [taylor]: Taking taylor expansion of 0.5 in x
0.568 * [taylor]: Taking taylor expansion of (/ (+ x y) (* x y)) in x
0.568 * [taylor]: Taking taylor expansion of (+ x y) in x
0.568 * [taylor]: Taking taylor expansion of x in x
0.568 * [taylor]: Taking taylor expansion of y in x
0.568 * [taylor]: Taking taylor expansion of (* x y) in x
0.568 * [taylor]: Taking taylor expansion of x in x
0.568 * [taylor]: Taking taylor expansion of y in x
0.568 * [taylor]: Taking taylor expansion of (* 0.5 (/ (+ x y) (* x y))) in x
0.568 * [taylor]: Taking taylor expansion of 0.5 in x
0.568 * [taylor]: Taking taylor expansion of (/ (+ x y) (* x y)) in x
0.568 * [taylor]: Taking taylor expansion of (+ x y) in x
0.568 * [taylor]: Taking taylor expansion of x in x
0.568 * [taylor]: Taking taylor expansion of y in x
0.568 * [taylor]: Taking taylor expansion of (* x y) in x
0.568 * [taylor]: Taking taylor expansion of x in x
0.568 * [taylor]: Taking taylor expansion of y in x
0.569 * [taylor]: Taking taylor expansion of 0.5 in y
0.569 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.569 * [taylor]: Taking taylor expansion of 0.5 in y
0.569 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.569 * [taylor]: Taking taylor expansion of y in y
0.569 * [taylor]: Taking taylor expansion of 0 in y
0.569 * [taylor]: Taking taylor expansion of 0 in y
0.569 * [taylor]: Taking taylor expansion of 0 in y
0.570 * [approximate]: Taking taylor expansion of (* 0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in (x y) around 0
0.570 * [taylor]: Taking taylor expansion of (* 0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in y
0.570 * [taylor]: Taking taylor expansion of 0.5 in y
0.570 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (* y x)) in y
0.570 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.570 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.570 * [taylor]: Taking taylor expansion of y in y
0.570 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.570 * [taylor]: Taking taylor expansion of x in y
0.570 * [taylor]: Taking taylor expansion of (* y x) in y
0.570 * [taylor]: Taking taylor expansion of y in y
0.570 * [taylor]: Taking taylor expansion of x in y
0.570 * [taylor]: Taking taylor expansion of (* 0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in x
0.570 * [taylor]: Taking taylor expansion of 0.5 in x
0.570 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (* y x)) in x
0.570 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.570 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.570 * [taylor]: Taking taylor expansion of y in x
0.570 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.570 * [taylor]: Taking taylor expansion of x in x
0.570 * [taylor]: Taking taylor expansion of (* y x) in x
0.570 * [taylor]: Taking taylor expansion of y in x
0.570 * [taylor]: Taking taylor expansion of x in x
0.570 * [taylor]: Taking taylor expansion of (* 0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in x
0.570 * [taylor]: Taking taylor expansion of 0.5 in x
0.570 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (* y x)) in x
0.570 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.570 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.570 * [taylor]: Taking taylor expansion of y in x
0.570 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.570 * [taylor]: Taking taylor expansion of x in x
0.570 * [taylor]: Taking taylor expansion of (* y x) in x
0.570 * [taylor]: Taking taylor expansion of y in x
0.570 * [taylor]: Taking taylor expansion of x in x
0.570 * [taylor]: Taking taylor expansion of 0 in y
0.571 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.571 * [taylor]: Taking taylor expansion of 0.5 in y
0.571 * [taylor]: Taking taylor expansion of y in y
0.571 * [taylor]: Taking taylor expansion of 0.5 in y
0.571 * [taylor]: Taking taylor expansion of 0 in y
0.571 * [taylor]: Taking taylor expansion of 0 in y
0.572 * [taylor]: Taking taylor expansion of 0 in y
0.572 * [approximate]: Taking taylor expansion of (* -0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in (x y) around 0
0.572 * [taylor]: Taking taylor expansion of (* -0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in y
0.572 * [taylor]: Taking taylor expansion of -0.5 in y
0.572 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (* y x)) in y
0.572 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.572 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.572 * [taylor]: Taking taylor expansion of y in y
0.572 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.572 * [taylor]: Taking taylor expansion of x in y
0.572 * [taylor]: Taking taylor expansion of (* y x) in y
0.572 * [taylor]: Taking taylor expansion of y in y
0.572 * [taylor]: Taking taylor expansion of x in y
0.572 * [taylor]: Taking taylor expansion of (* -0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in x
0.572 * [taylor]: Taking taylor expansion of -0.5 in x
0.572 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (* y x)) in x
0.572 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.572 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.572 * [taylor]: Taking taylor expansion of y in x
0.572 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.572 * [taylor]: Taking taylor expansion of x in x
0.572 * [taylor]: Taking taylor expansion of (* y x) in x
0.572 * [taylor]: Taking taylor expansion of y in x
0.572 * [taylor]: Taking taylor expansion of x in x
0.572 * [taylor]: Taking taylor expansion of (* -0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in x
0.572 * [taylor]: Taking taylor expansion of -0.5 in x
0.573 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (* y x)) in x
0.573 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.573 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.573 * [taylor]: Taking taylor expansion of y in x
0.573 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.573 * [taylor]: Taking taylor expansion of x in x
0.573 * [taylor]: Taking taylor expansion of (* y x) in x
0.573 * [taylor]: Taking taylor expansion of y in x
0.573 * [taylor]: Taking taylor expansion of x in x
0.573 * [taylor]: Taking taylor expansion of 0 in y
0.573 * [taylor]: Taking taylor expansion of (neg (* 0.5 y)) in y
0.573 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.573 * [taylor]: Taking taylor expansion of 0.5 in y
0.573 * [taylor]: Taking taylor expansion of y in y
0.573 * [taylor]: Taking taylor expansion of (neg 0.5) in y
0.573 * [taylor]: Taking taylor expansion of 0.5 in y
0.573 * [taylor]: Taking taylor expansion of 0 in y
0.574 * [taylor]: Taking taylor expansion of 0 in y
0.574 * [taylor]: Taking taylor expansion of 0 in y
0.574 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
0.574 * [approximate]: Taking taylor expansion of (* 0.5 (/ (+ x y) x)) in (x y) around 0
0.574 * [taylor]: Taking taylor expansion of (* 0.5 (/ (+ x y) x)) in y
0.574 * [taylor]: Taking taylor expansion of 0.5 in y
0.575 * [taylor]: Taking taylor expansion of (/ (+ x y) x) in y
0.575 * [taylor]: Taking taylor expansion of (+ x y) in y
0.575 * [taylor]: Taking taylor expansion of x in y
0.575 * [taylor]: Taking taylor expansion of y in y
0.575 * [taylor]: Taking taylor expansion of x in y
0.575 * [taylor]: Taking taylor expansion of (* 0.5 (/ (+ x y) x)) in x
0.575 * [taylor]: Taking taylor expansion of 0.5 in x
0.575 * [taylor]: Taking taylor expansion of (/ (+ x y) x) in x
0.575 * [taylor]: Taking taylor expansion of (+ x y) in x
0.575 * [taylor]: Taking taylor expansion of x in x
0.575 * [taylor]: Taking taylor expansion of y in x
0.575 * [taylor]: Taking taylor expansion of x in x
0.575 * [taylor]: Taking taylor expansion of (* 0.5 (/ (+ x y) x)) in x
0.575 * [taylor]: Taking taylor expansion of 0.5 in x
0.575 * [taylor]: Taking taylor expansion of (/ (+ x y) x) in x
0.575 * [taylor]: Taking taylor expansion of (+ x y) in x
0.575 * [taylor]: Taking taylor expansion of x in x
0.575 * [taylor]: Taking taylor expansion of y in x
0.575 * [taylor]: Taking taylor expansion of x in x
0.575 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.575 * [taylor]: Taking taylor expansion of 0.5 in y
0.575 * [taylor]: Taking taylor expansion of y in y
0.575 * [taylor]: Taking taylor expansion of 0.5 in y
0.575 * [taylor]: Taking taylor expansion of 0 in y
0.575 * [taylor]: Taking taylor expansion of 0 in y
0.576 * [approximate]: Taking taylor expansion of (* 0.5 (* (+ (/ 1 y) (/ 1 x)) x)) in (x y) around 0
0.576 * [taylor]: Taking taylor expansion of (* 0.5 (* (+ (/ 1 y) (/ 1 x)) x)) in y
0.576 * [taylor]: Taking taylor expansion of 0.5 in y
0.576 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) x) in y
0.576 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.576 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.576 * [taylor]: Taking taylor expansion of y in y
0.576 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.576 * [taylor]: Taking taylor expansion of x in y
0.576 * [taylor]: Taking taylor expansion of x in y
0.576 * [taylor]: Taking taylor expansion of (* 0.5 (* (+ (/ 1 y) (/ 1 x)) x)) in x
0.576 * [taylor]: Taking taylor expansion of 0.5 in x
0.576 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) x) in x
0.576 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.576 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.576 * [taylor]: Taking taylor expansion of y in x
0.576 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.576 * [taylor]: Taking taylor expansion of x in x
0.576 * [taylor]: Taking taylor expansion of x in x
0.576 * [taylor]: Taking taylor expansion of (* 0.5 (* (+ (/ 1 y) (/ 1 x)) x)) in x
0.576 * [taylor]: Taking taylor expansion of 0.5 in x
0.576 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) x) in x
0.576 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.576 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.576 * [taylor]: Taking taylor expansion of y in x
0.576 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.576 * [taylor]: Taking taylor expansion of x in x
0.576 * [taylor]: Taking taylor expansion of x in x
0.576 * [taylor]: Taking taylor expansion of 0 in y
0.576 * [taylor]: Taking taylor expansion of 0.5 in y
0.576 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.576 * [taylor]: Taking taylor expansion of 0.5 in y
0.577 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.577 * [taylor]: Taking taylor expansion of y in y
0.577 * [taylor]: Taking taylor expansion of 0 in y
0.577 * [taylor]: Taking taylor expansion of 0 in y
0.577 * [approximate]: Taking taylor expansion of (* 0.5 (* (+ (/ 1 y) (/ 1 x)) x)) in (x y) around 0
0.577 * [taylor]: Taking taylor expansion of (* 0.5 (* (+ (/ 1 y) (/ 1 x)) x)) in y
0.577 * [taylor]: Taking taylor expansion of 0.5 in y
0.577 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) x) in y
0.577 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.577 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.577 * [taylor]: Taking taylor expansion of y in y
0.578 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.578 * [taylor]: Taking taylor expansion of x in y
0.578 * [taylor]: Taking taylor expansion of x in y
0.578 * [taylor]: Taking taylor expansion of (* 0.5 (* (+ (/ 1 y) (/ 1 x)) x)) in x
0.578 * [taylor]: Taking taylor expansion of 0.5 in x
0.578 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) x) in x
0.578 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.578 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.578 * [taylor]: Taking taylor expansion of y in x
0.578 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.578 * [taylor]: Taking taylor expansion of x in x
0.578 * [taylor]: Taking taylor expansion of x in x
0.578 * [taylor]: Taking taylor expansion of (* 0.5 (* (+ (/ 1 y) (/ 1 x)) x)) in x
0.578 * [taylor]: Taking taylor expansion of 0.5 in x
0.578 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) x) in x
0.578 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.578 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.578 * [taylor]: Taking taylor expansion of y in x
0.578 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.578 * [taylor]: Taking taylor expansion of x in x
0.578 * [taylor]: Taking taylor expansion of x in x
0.578 * [taylor]: Taking taylor expansion of 0 in y
0.578 * [taylor]: Taking taylor expansion of 0.5 in y
0.578 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.578 * [taylor]: Taking taylor expansion of 0.5 in y
0.578 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.578 * [taylor]: Taking taylor expansion of y in y
0.579 * [taylor]: Taking taylor expansion of 0 in y
0.579 * [taylor]: Taking taylor expansion of 0 in y
0.579 * * * [progress]: simplifying candidates
0.580 * [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 y)) (* 0.5 (/ 1 x)))
  (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))
  (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))
  (+ (* 0.5 (/ y x)) 0.5)
  (+ (* 0.5 (/ y x)) 0.5)
  (+ (* 0.5 (/ y x)) 0.5)
0.611 * * [simplify]: iteration  0 :  5282  enodes  (cost  969 )
0.615 * [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))))
  (/ (- -1 (/ 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))))
  (/ (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 y) (/ 0.5 x))
  (+ (/ 0.5 y) (/ 0.5 x))
  (+ (/ 0.5 y) (/ 0.5 x))
  (+ 0.5 (* y (/ 0.5 x)))
  (+ 0.5 (* y (/ 0.5 x)))
  (+ 0.5 (* y (/ 0.5 x)))
0.615 * * * [progress]: adding candidates to table
0.708 * [progress]: [Phase 3 of 3] Extracting.
0.708 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (* (/ 1 (* x 2.0)) (/ (+ x y) y)))> #<alt (λ (x y) (/ (/ (+ x y) (* x 2.0)) y))> #<alt (λ (x y) (+ (/ 0.5 y) (/ 0.5 x)))>)
0.708 * * * [regime-changes]: Trying 2 branch expressions: (y x)
0.708 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (* (/ 1 (* x 2.0)) (/ (+ x y) y)))> #<alt (λ (x y) (/ (/ (+ x y) (* x 2.0)) y))> #<alt (λ (x y) (+ (/ 0.5 y) (/ 0.5 x)))>)
0.740 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (* (/ 1 (* x 2.0)) (/ (+ x y) y)))> #<alt (λ (x y) (/ (/ (+ x y) (* x 2.0)) y))> #<alt (λ (x y) (+ (/ 0.5 y) (/ 0.5 x)))>)
0.774 * * * [regime]: Found split indices: #<option (#s(si 2 255))>
0.775 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (/ 0.5 y) (/ 0.5 x))
0.775 * * [simplify]: iteration  0 :  7  enodes  (cost  7 )
0.775 * * [simplify]: iteration  1 :  7  enodes  (cost  7 )
0.776 * [simplify]: Simplified to:
   (+ (/ 0.5 y) (/ 0.5 x))
1.413 * [regime-testing]: End program error score: 0.01589822790366825
1.477 * [regime-testing]: Target error score: 0.01589822790366825