29.915 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.106 * * * [progress]: [2/2] Setting up program.
0.109 * [progress]: [Phase 2 of 3] Improving.
0.109 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (+ x y) (* (* x 2.0) y))
0.111 * * [simplify]: iteration  0 :  36  enodes  (cost  9 )
0.112 * * [simplify]: iteration  1 :  36  enodes  (cost  9 )
0.112 * [simplify]: Simplified to:
   (/ (+ x y) (* x (* y 2.0)))
0.115 * * [progress]: iteration 1 / 4
0.115 * * * [progress]: picking best candidate
0.117 * * * * [pick]: Picked  #<alt (λ (x y) (/ (+ x y) (* x (* y 2.0))))>
0.117 * * * [progress]: localizing error
0.123 * * * [progress]: generating rewritten candidates
0.123 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.132 * * * [progress]: generating series expansions
0.132 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.132 * [approximate]: Taking taylor expansion of (* 0.5 (/ (+ x y) (* x y))) in (x y) around 0
0.132 * [taylor]: Taking taylor expansion of (* 0.5 (/ (+ x y) (* x y))) in y
0.132 * [taylor]: Taking taylor expansion of 0.5 in y
0.132 * [taylor]: Taking taylor expansion of (/ (+ x y) (* x y)) in y
0.132 * [taylor]: Taking taylor expansion of (+ x y) in y
0.132 * [taylor]: Taking taylor expansion of x in y
0.132 * [taylor]: Taking taylor expansion of y in y
0.132 * [taylor]: Taking taylor expansion of (* x y) in y
0.132 * [taylor]: Taking taylor expansion of x in y
0.132 * [taylor]: Taking taylor expansion of y in y
0.132 * [taylor]: Taking taylor expansion of (* 0.5 (/ (+ x y) (* x y))) in x
0.132 * [taylor]: Taking taylor expansion of 0.5 in x
0.132 * [taylor]: Taking taylor expansion of (/ (+ x y) (* x y)) in x
0.132 * [taylor]: Taking taylor expansion of (+ x y) in x
0.132 * [taylor]: Taking taylor expansion of x in x
0.132 * [taylor]: Taking taylor expansion of y in x
0.132 * [taylor]: Taking taylor expansion of (* x y) in x
0.132 * [taylor]: Taking taylor expansion of x in x
0.132 * [taylor]: Taking taylor expansion of y in x
0.132 * [taylor]: Taking taylor expansion of (* 0.5 (/ (+ x y) (* x y))) in x
0.132 * [taylor]: Taking taylor expansion of 0.5 in x
0.132 * [taylor]: Taking taylor expansion of (/ (+ x y) (* x y)) in x
0.132 * [taylor]: Taking taylor expansion of (+ x y) in x
0.132 * [taylor]: Taking taylor expansion of x in x
0.132 * [taylor]: Taking taylor expansion of y in x
0.132 * [taylor]: Taking taylor expansion of (* x y) in x
0.132 * [taylor]: Taking taylor expansion of x in x
0.132 * [taylor]: Taking taylor expansion of y in x
0.133 * [taylor]: Taking taylor expansion of 0.5 in y
0.133 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.133 * [taylor]: Taking taylor expansion of 0.5 in y
0.133 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.133 * [taylor]: Taking taylor expansion of y in y
0.133 * [taylor]: Taking taylor expansion of 0 in y
0.133 * [taylor]: Taking taylor expansion of 0 in y
0.134 * [taylor]: Taking taylor expansion of 0 in y
0.134 * [approximate]: Taking taylor expansion of (* 0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in (x y) around 0
0.134 * [taylor]: Taking taylor expansion of (* 0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in y
0.134 * [taylor]: Taking taylor expansion of 0.5 in y
0.134 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (* y x)) in y
0.134 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.134 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.134 * [taylor]: Taking taylor expansion of y in y
0.134 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.134 * [taylor]: Taking taylor expansion of x in y
0.134 * [taylor]: Taking taylor expansion of (* y x) in y
0.134 * [taylor]: Taking taylor expansion of y in y
0.134 * [taylor]: Taking taylor expansion of x in y
0.134 * [taylor]: Taking taylor expansion of (* 0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in x
0.134 * [taylor]: Taking taylor expansion of 0.5 in x
0.134 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (* y x)) in x
0.134 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.134 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.134 * [taylor]: Taking taylor expansion of y in x
0.134 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.134 * [taylor]: Taking taylor expansion of x in x
0.134 * [taylor]: Taking taylor expansion of (* y x) in x
0.134 * [taylor]: Taking taylor expansion of y in x
0.134 * [taylor]: Taking taylor expansion of x in x
0.134 * [taylor]: Taking taylor expansion of (* 0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in x
0.134 * [taylor]: Taking taylor expansion of 0.5 in x
0.134 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (* y x)) in x
0.134 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.134 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.134 * [taylor]: Taking taylor expansion of y in x
0.134 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.134 * [taylor]: Taking taylor expansion of x in x
0.134 * [taylor]: Taking taylor expansion of (* y x) in x
0.135 * [taylor]: Taking taylor expansion of y in x
0.135 * [taylor]: Taking taylor expansion of x in x
0.135 * [taylor]: Taking taylor expansion of 0 in y
0.135 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.135 * [taylor]: Taking taylor expansion of 0.5 in y
0.135 * [taylor]: Taking taylor expansion of y in y
0.135 * [taylor]: Taking taylor expansion of 0.5 in y
0.135 * [taylor]: Taking taylor expansion of 0 in y
0.136 * [taylor]: Taking taylor expansion of 0 in y
0.136 * [taylor]: Taking taylor expansion of 0 in y
0.136 * [approximate]: Taking taylor expansion of (* -0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in (x y) around 0
0.136 * [taylor]: Taking taylor expansion of (* -0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in y
0.136 * [taylor]: Taking taylor expansion of -0.5 in y
0.136 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (* y x)) in y
0.136 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.136 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.136 * [taylor]: Taking taylor expansion of y in y
0.137 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.137 * [taylor]: Taking taylor expansion of x in y
0.137 * [taylor]: Taking taylor expansion of (* y x) in y
0.137 * [taylor]: Taking taylor expansion of y in y
0.137 * [taylor]: Taking taylor expansion of x in y
0.137 * [taylor]: Taking taylor expansion of (* -0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in x
0.137 * [taylor]: Taking taylor expansion of -0.5 in x
0.137 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (* y x)) in x
0.137 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) 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 (/ 1 x) in x
0.137 * [taylor]: Taking taylor expansion of x in x
0.137 * [taylor]: Taking taylor expansion of (* y x) in x
0.137 * [taylor]: Taking taylor expansion of y in x
0.137 * [taylor]: Taking taylor expansion of x in x
0.137 * [taylor]: Taking taylor expansion of (* -0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in x
0.137 * [taylor]: Taking taylor expansion of -0.5 in x
0.137 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (* y x)) in x
0.137 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) 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 (/ 1 x) in x
0.137 * [taylor]: Taking taylor expansion of x in x
0.137 * [taylor]: Taking taylor expansion of (* y x) in x
0.137 * [taylor]: Taking taylor expansion of y in x
0.137 * [taylor]: Taking taylor expansion of x in x
0.137 * [taylor]: Taking taylor expansion of 0 in y
0.137 * [taylor]: Taking taylor expansion of (neg (* 0.5 y)) in y
0.137 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.137 * [taylor]: Taking taylor expansion of 0.5 in y
0.137 * [taylor]: Taking taylor expansion of y in y
0.138 * [taylor]: Taking taylor expansion of (neg 0.5) in y
0.138 * [taylor]: Taking taylor expansion of 0.5 in y
0.138 * [taylor]: Taking taylor expansion of 0 in y
0.138 * [taylor]: Taking taylor expansion of 0 in y
0.139 * [taylor]: Taking taylor expansion of 0 in y
0.139 * * * [progress]: simplifying candidates
0.139 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (log (+ x y)) (+ (log x) (+ (log y) (log 2.0))))
  (- (log (+ x y)) (+ (log x) (log (* y 2.0))))
  (- (log (+ x y)) (log (* x (* y 2.0))))
  (log (/ (+ x y) (* x (* y 2.0))))
  (exp (/ (+ x y) (* x (* y 2.0))))
  (/ (* (* (+ x y) (+ x y)) (+ x y)) (* (* (* x x) x) (* (* (* y y) y) (* (* 2.0 2.0) 2.0))))
  (/ (* (* (+ x y) (+ x y)) (+ x y)) (* (* (* x x) x) (* (* (* y 2.0) (* y 2.0)) (* y 2.0))))
  (/ (* (* (+ x y) (+ x y)) (+ x y)) (* (* (* x (* y 2.0)) (* x (* y 2.0))) (* x (* y 2.0))))
  (* (cbrt (/ (+ x y) (* x (* y 2.0)))) (cbrt (/ (+ x y) (* x (* y 2.0)))))
  (cbrt (/ (+ x y) (* x (* y 2.0))))
  (* (* (/ (+ x y) (* x (* y 2.0))) (/ (+ x y) (* x (* y 2.0)))) (/ (+ x y) (* x (* y 2.0))))
  (sqrt (/ (+ x y) (* x (* y 2.0))))
  (sqrt (/ (+ x y) (* x (* y 2.0))))
  (neg (+ x y))
  (neg (* x (* y 2.0)))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) x)
  (/ (cbrt (+ x y)) (* y 2.0))
  (/ (sqrt (+ x y)) x)
  (/ (sqrt (+ x y)) (* y 2.0))
  (/ 1 x)
  (/ (+ x y) (* y 2.0))
  (/ 1 x)
  (/ (+ x y) (* y 2.0))
  (/ 1 (* x (* y 2.0)))
  (/ (* x (* y 2.0)) (+ x y))
  (/ (+ x y) x)
  (/ (* x (* y 2.0)) (cbrt (+ x y)))
  (/ (* x (* y 2.0)) (sqrt (+ x y)))
  (/ (* x (* y 2.0)) (+ x y))
  (/ (* x (* y 2.0)) (+ x y))
  (* (* x (* y 2.0)) (+ (* x x) (- (* y y) (* x y))))
  (* (* x (* y 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)))
0.166 * * [simplify]: iteration  0 :  5297  enodes  (cost  312 )
0.168 * [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))
  (/ (cbrt (+ x y)) (* y 2.0))
  (/ (sqrt (+ x y)) x)
  (/ (sqrt (+ x y)) (* y 2.0))
  (/ 1 x)
  (/ (+ x y) (* y 2.0))
  (/ 1 x)
  (/ (+ x y) (* y 2.0))
  (/ 1 (* x (* y 2.0)))
  (* 2.0 (* (/ x (+ x y)) y))
  (/ (+ x y) x)
  (* 2.0 (* (/ x (cbrt (+ x y))) y))
  (* 2.0 (* (/ x (sqrt (+ x y))) y))
  (* 2.0 (* (/ x (+ x y)) y))
  (* 2.0 (* (/ x (+ x y)) y))
  (* 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))
0.168 * * * [progress]: adding candidates to table
0.203 * * [progress]: iteration 2 / 4
0.203 * * * [progress]: picking best candidate
0.207 * * * * [pick]: Picked  #<alt (λ (x y) (+ (/ 0.5 y) (/ 0.5 x)))>
0.207 * * * [progress]: localizing error
0.211 * * * [progress]: generating rewritten candidates
0.211 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.224 * * * [progress]: generating series expansions
0.224 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.224 * [approximate]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in (y x) around 0
0.224 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x
0.225 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
0.225 * [taylor]: Taking taylor expansion of 0.5 in x
0.225 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.225 * [taylor]: Taking taylor expansion of y in x
0.225 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.225 * [taylor]: Taking taylor expansion of 0.5 in x
0.225 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.225 * [taylor]: Taking taylor expansion of x in x
0.225 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in y
0.225 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.225 * [taylor]: Taking taylor expansion of 0.5 in y
0.225 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.225 * [taylor]: Taking taylor expansion of y in y
0.225 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
0.225 * [taylor]: Taking taylor expansion of 0.5 in y
0.225 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.225 * [taylor]: Taking taylor expansion of x in y
0.225 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in y
0.225 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.225 * [taylor]: Taking taylor expansion of 0.5 in y
0.225 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.225 * [taylor]: Taking taylor expansion of y in y
0.225 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
0.225 * [taylor]: Taking taylor expansion of 0.5 in y
0.225 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.227 * [taylor]: Taking taylor expansion of x in y
0.227 * [taylor]: Taking taylor expansion of 0.5 in x
0.227 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.227 * [taylor]: Taking taylor expansion of 0.5 in x
0.227 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.227 * [taylor]: Taking taylor expansion of x in x
0.228 * [taylor]: Taking taylor expansion of 0 in x
0.228 * [taylor]: Taking taylor expansion of 0 in x
0.228 * [taylor]: Taking taylor expansion of 0 in x
0.229 * [approximate]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in (y x) around 0
0.229 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x
0.229 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.229 * [taylor]: Taking taylor expansion of 0.5 in x
0.229 * [taylor]: Taking taylor expansion of x in x
0.229 * [taylor]: Taking taylor expansion of (* 0.5 y) in x
0.229 * [taylor]: Taking taylor expansion of 0.5 in x
0.229 * [taylor]: Taking taylor expansion of y in x
0.229 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in y
0.229 * [taylor]: Taking taylor expansion of (* 0.5 x) in y
0.229 * [taylor]: Taking taylor expansion of 0.5 in y
0.229 * [taylor]: Taking taylor expansion of x in y
0.229 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.229 * [taylor]: Taking taylor expansion of 0.5 in y
0.229 * [taylor]: Taking taylor expansion of y in y
0.229 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in y
0.229 * [taylor]: Taking taylor expansion of (* 0.5 x) in y
0.229 * [taylor]: Taking taylor expansion of 0.5 in y
0.229 * [taylor]: Taking taylor expansion of x in y
0.229 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.229 * [taylor]: Taking taylor expansion of 0.5 in y
0.229 * [taylor]: Taking taylor expansion of y in y
0.229 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.229 * [taylor]: Taking taylor expansion of 0.5 in x
0.229 * [taylor]: Taking taylor expansion of x in x
0.229 * [taylor]: Taking taylor expansion of 0.5 in x
0.229 * [taylor]: Taking taylor expansion of 0 in x
0.230 * [taylor]: Taking taylor expansion of 0 in x
0.230 * [approximate]: Taking taylor expansion of (neg (+ (* 0.5 x) (* 0.5 y))) in (y x) around 0
0.230 * [taylor]: Taking taylor expansion of (neg (+ (* 0.5 x) (* 0.5 y))) in x
0.230 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x
0.230 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.230 * [taylor]: Taking taylor expansion of 0.5 in x
0.230 * [taylor]: Taking taylor expansion of x in x
0.230 * [taylor]: Taking taylor expansion of (* 0.5 y) in x
0.230 * [taylor]: Taking taylor expansion of 0.5 in x
0.230 * [taylor]: Taking taylor expansion of y in x
0.230 * [taylor]: Taking taylor expansion of (neg (+ (* 0.5 x) (* 0.5 y))) in y
0.230 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in y
0.230 * [taylor]: Taking taylor expansion of (* 0.5 x) in y
0.230 * [taylor]: Taking taylor expansion of 0.5 in y
0.230 * [taylor]: Taking taylor expansion of x in y
0.230 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.230 * [taylor]: Taking taylor expansion of 0.5 in y
0.230 * [taylor]: Taking taylor expansion of y in y
0.230 * [taylor]: Taking taylor expansion of (neg (+ (* 0.5 x) (* 0.5 y))) in y
0.230 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in y
0.230 * [taylor]: Taking taylor expansion of (* 0.5 x) in y
0.230 * [taylor]: Taking taylor expansion of 0.5 in y
0.230 * [taylor]: Taking taylor expansion of x in y
0.230 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.230 * [taylor]: Taking taylor expansion of 0.5 in y
0.230 * [taylor]: Taking taylor expansion of y in y
0.230 * [taylor]: Taking taylor expansion of (neg (* 0.5 x)) in x
0.230 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.230 * [taylor]: Taking taylor expansion of 0.5 in x
0.230 * [taylor]: Taking taylor expansion of x in x
0.230 * [taylor]: Taking taylor expansion of (neg 0.5) in x
0.230 * [taylor]: Taking taylor expansion of 0.5 in x
0.231 * [taylor]: Taking taylor expansion of 0 in x
0.231 * [taylor]: Taking taylor expansion of 0 in x
0.231 * * * [progress]: simplifying candidates
0.231 * [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)))
0.278 * * [simplify]: iteration  0 :  4950  enodes  (cost  190 )
0.278 * * [simplify]: iteration  1 :  4950  enodes  (cost  190 )
0.279 * [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))
0.279 * * * [progress]: adding candidates to table
0.300 * * [progress]: iteration 3 / 4
0.300 * * * [progress]: picking best candidate
0.302 * * * * [pick]: Picked  #<alt (λ (x y) (/ 1 (* 2.0 (* (/ x (+ x y)) y))))>
0.302 * * * [progress]: localizing error
0.309 * * * [progress]: generating rewritten candidates
0.309 * * * * [progress]: [ 1 / 2 ] rewriting at (2 2 2)
0.318 * * * * [progress]: [ 2 / 2 ] rewriting at (2 2 2 1)
0.325 * * * [progress]: generating series expansions
0.325 * * * * [progress]: [ 1 / 2 ] generating series at (2 2 2)
0.325 * [approximate]: Taking taylor expansion of (/ (* x y) (+ x y)) in (x y) around 0
0.325 * [taylor]: Taking taylor expansion of (/ (* x y) (+ x y)) in y
0.325 * [taylor]: Taking taylor expansion of (* x y) in y
0.325 * [taylor]: Taking taylor expansion of x in y
0.325 * [taylor]: Taking taylor expansion of y in y
0.325 * [taylor]: Taking taylor expansion of (+ x y) in y
0.325 * [taylor]: Taking taylor expansion of x in y
0.325 * [taylor]: Taking taylor expansion of y in y
0.325 * [taylor]: Taking taylor expansion of (/ (* x y) (+ x y)) in x
0.325 * [taylor]: Taking taylor expansion of (* x y) in x
0.325 * [taylor]: Taking taylor expansion of x in x
0.325 * [taylor]: Taking taylor expansion of y in x
0.325 * [taylor]: Taking taylor expansion of (+ x y) in x
0.325 * [taylor]: Taking taylor expansion of x in x
0.325 * [taylor]: Taking taylor expansion of y in x
0.325 * [taylor]: Taking taylor expansion of (/ (* x y) (+ x y)) in x
0.325 * [taylor]: Taking taylor expansion of (* x y) in x
0.325 * [taylor]: Taking taylor expansion of x in x
0.325 * [taylor]: Taking taylor expansion of y in x
0.325 * [taylor]: Taking taylor expansion of (+ x y) in x
0.325 * [taylor]: Taking taylor expansion of x in x
0.325 * [taylor]: Taking taylor expansion of y in x
0.325 * [taylor]: Taking taylor expansion of 1 in y
0.326 * [taylor]: Taking taylor expansion of (neg (/ 1 y)) in y
0.326 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.326 * [taylor]: Taking taylor expansion of y in y
0.326 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.326 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.326 * [taylor]: Taking taylor expansion of y in y
0.326 * [approximate]: Taking taylor expansion of (/ 1 (* x (* y (+ (/ 1 y) (/ 1 x))))) in (x y) around 0
0.326 * [taylor]: Taking taylor expansion of (/ 1 (* x (* y (+ (/ 1 y) (/ 1 x))))) in y
0.326 * [taylor]: Taking taylor expansion of (* x (* y (+ (/ 1 y) (/ 1 x)))) in y
0.326 * [taylor]: Taking taylor expansion of x in y
0.326 * [taylor]: Taking taylor expansion of (* y (+ (/ 1 y) (/ 1 x))) in y
0.326 * [taylor]: Taking taylor expansion of y in y
0.326 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.326 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.326 * [taylor]: Taking taylor expansion of y in y
0.326 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.326 * [taylor]: Taking taylor expansion of x in y
0.327 * [taylor]: Taking taylor expansion of (/ 1 (* x (* y (+ (/ 1 y) (/ 1 x))))) in x
0.327 * [taylor]: Taking taylor expansion of (* x (* y (+ (/ 1 y) (/ 1 x)))) in x
0.327 * [taylor]: Taking taylor expansion of x in x
0.327 * [taylor]: Taking taylor expansion of (* y (+ (/ 1 y) (/ 1 x))) in x
0.327 * [taylor]: Taking taylor expansion of y in x
0.327 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.327 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.327 * [taylor]: Taking taylor expansion of y in x
0.327 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.327 * [taylor]: Taking taylor expansion of x in x
0.327 * [taylor]: Taking taylor expansion of (/ 1 (* x (* y (+ (/ 1 y) (/ 1 x))))) in x
0.327 * [taylor]: Taking taylor expansion of (* x (* y (+ (/ 1 y) (/ 1 x)))) in x
0.327 * [taylor]: Taking taylor expansion of x in x
0.327 * [taylor]: Taking taylor expansion of (* y (+ (/ 1 y) (/ 1 x))) in x
0.327 * [taylor]: Taking taylor expansion of y in x
0.327 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.327 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.327 * [taylor]: Taking taylor expansion of y in x
0.327 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.327 * [taylor]: Taking taylor expansion of x in x
0.327 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.327 * [taylor]: Taking taylor expansion of y in y
0.328 * [taylor]: Taking taylor expansion of (neg (/ 1 (pow y 2))) in y
0.328 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.328 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.328 * [taylor]: Taking taylor expansion of y in y
0.328 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.328 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.328 * [taylor]: Taking taylor expansion of y in y
0.329 * [approximate]: Taking taylor expansion of (/ -1 (* x (* y (+ (/ 1 y) (/ 1 x))))) in (x y) around 0
0.329 * [taylor]: Taking taylor expansion of (/ -1 (* x (* y (+ (/ 1 y) (/ 1 x))))) in y
0.329 * [taylor]: Taking taylor expansion of -1 in y
0.329 * [taylor]: Taking taylor expansion of (* x (* y (+ (/ 1 y) (/ 1 x)))) in y
0.329 * [taylor]: Taking taylor expansion of x in y
0.329 * [taylor]: Taking taylor expansion of (* y (+ (/ 1 y) (/ 1 x))) in y
0.329 * [taylor]: Taking taylor expansion of y in y
0.329 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.329 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.329 * [taylor]: Taking taylor expansion of y in y
0.329 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.329 * [taylor]: Taking taylor expansion of x in y
0.329 * [taylor]: Taking taylor expansion of (/ -1 (* x (* y (+ (/ 1 y) (/ 1 x))))) in x
0.329 * [taylor]: Taking taylor expansion of -1 in x
0.329 * [taylor]: Taking taylor expansion of (* x (* y (+ (/ 1 y) (/ 1 x)))) in x
0.329 * [taylor]: Taking taylor expansion of x in x
0.329 * [taylor]: Taking taylor expansion of (* y (+ (/ 1 y) (/ 1 x))) in x
0.329 * [taylor]: Taking taylor expansion of y in x
0.329 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.329 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.330 * [taylor]: Taking taylor expansion of y in x
0.330 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.330 * [taylor]: Taking taylor expansion of x in x
0.330 * [taylor]: Taking taylor expansion of (/ -1 (* x (* y (+ (/ 1 y) (/ 1 x))))) in x
0.330 * [taylor]: Taking taylor expansion of -1 in x
0.330 * [taylor]: Taking taylor expansion of (* x (* y (+ (/ 1 y) (/ 1 x)))) in x
0.330 * [taylor]: Taking taylor expansion of x in x
0.330 * [taylor]: Taking taylor expansion of (* y (+ (/ 1 y) (/ 1 x))) in x
0.330 * [taylor]: Taking taylor expansion of y in x
0.330 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.330 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.330 * [taylor]: Taking taylor expansion of y in x
0.330 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.330 * [taylor]: Taking taylor expansion of x in x
0.330 * [taylor]: Taking taylor expansion of (/ -1 y) in y
0.330 * [taylor]: Taking taylor expansion of -1 in y
0.330 * [taylor]: Taking taylor expansion of y in y
0.330 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.330 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.330 * [taylor]: Taking taylor expansion of y in y
0.331 * [taylor]: Taking taylor expansion of (neg (/ 1 (pow y 3))) in y
0.331 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.331 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.331 * [taylor]: Taking taylor expansion of y in y
0.332 * * * * [progress]: [ 2 / 2 ] generating series at (2 2 2 1)
0.332 * [approximate]: Taking taylor expansion of (/ x (+ x y)) in (x y) around 0
0.332 * [taylor]: Taking taylor expansion of (/ x (+ x y)) in y
0.332 * [taylor]: Taking taylor expansion of x in y
0.332 * [taylor]: Taking taylor expansion of (+ x y) in y
0.332 * [taylor]: Taking taylor expansion of x in y
0.332 * [taylor]: Taking taylor expansion of y in y
0.332 * [taylor]: Taking taylor expansion of (/ x (+ x y)) in x
0.332 * [taylor]: Taking taylor expansion of x in x
0.332 * [taylor]: Taking taylor expansion of (+ x y) in x
0.332 * [taylor]: Taking taylor expansion of x in x
0.332 * [taylor]: Taking taylor expansion of y in x
0.332 * [taylor]: Taking taylor expansion of (/ x (+ x y)) in x
0.332 * [taylor]: Taking taylor expansion of x in x
0.332 * [taylor]: Taking taylor expansion of (+ x y) in x
0.332 * [taylor]: Taking taylor expansion of x in x
0.332 * [taylor]: Taking taylor expansion of y in x
0.332 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.332 * [taylor]: Taking taylor expansion of y in y
0.332 * [taylor]: Taking taylor expansion of (neg (/ 1 (pow y 2))) in y
0.332 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.332 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.332 * [taylor]: Taking taylor expansion of y in y
0.333 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.333 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.333 * [taylor]: Taking taylor expansion of y in y
0.333 * [approximate]: Taking taylor expansion of (/ 1 (* x (+ (/ 1 y) (/ 1 x)))) in (x y) around 0
0.333 * [taylor]: Taking taylor expansion of (/ 1 (* x (+ (/ 1 y) (/ 1 x)))) in y
0.333 * [taylor]: Taking taylor expansion of (* x (+ (/ 1 y) (/ 1 x))) in y
0.333 * [taylor]: Taking taylor expansion of x in y
0.333 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.333 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.333 * [taylor]: Taking taylor expansion of y in y
0.333 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.333 * [taylor]: Taking taylor expansion of x in y
0.333 * [taylor]: Taking taylor expansion of (/ 1 (* x (+ (/ 1 y) (/ 1 x)))) in x
0.333 * [taylor]: Taking taylor expansion of (* x (+ (/ 1 y) (/ 1 x))) in x
0.333 * [taylor]: Taking taylor expansion of x in x
0.333 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.333 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.333 * [taylor]: Taking taylor expansion of y in x
0.333 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.333 * [taylor]: Taking taylor expansion of x in x
0.334 * [taylor]: Taking taylor expansion of (/ 1 (* x (+ (/ 1 y) (/ 1 x)))) in x
0.334 * [taylor]: Taking taylor expansion of (* x (+ (/ 1 y) (/ 1 x))) in x
0.334 * [taylor]: Taking taylor expansion of x in x
0.334 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.334 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.334 * [taylor]: Taking taylor expansion of y in x
0.334 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.334 * [taylor]: Taking taylor expansion of x in x
0.334 * [taylor]: Taking taylor expansion of 1 in y
0.334 * [taylor]: Taking taylor expansion of (neg (/ 1 y)) in y
0.334 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.334 * [taylor]: Taking taylor expansion of y in y
0.334 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.334 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.334 * [taylor]: Taking taylor expansion of y in y
0.335 * [approximate]: Taking taylor expansion of (/ 1 (* x (+ (/ 1 y) (/ 1 x)))) in (x y) around 0
0.335 * [taylor]: Taking taylor expansion of (/ 1 (* x (+ (/ 1 y) (/ 1 x)))) in y
0.335 * [taylor]: Taking taylor expansion of (* x (+ (/ 1 y) (/ 1 x))) in y
0.335 * [taylor]: Taking taylor expansion of x in y
0.335 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.335 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.335 * [taylor]: Taking taylor expansion of y in y
0.335 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.335 * [taylor]: Taking taylor expansion of x in y
0.335 * [taylor]: Taking taylor expansion of (/ 1 (* x (+ (/ 1 y) (/ 1 x)))) in x
0.335 * [taylor]: Taking taylor expansion of (* x (+ (/ 1 y) (/ 1 x))) in x
0.335 * [taylor]: Taking taylor expansion of x in x
0.335 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.335 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.335 * [taylor]: Taking taylor expansion of y in x
0.335 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.335 * [taylor]: Taking taylor expansion of x in x
0.335 * [taylor]: Taking taylor expansion of (/ 1 (* x (+ (/ 1 y) (/ 1 x)))) in x
0.335 * [taylor]: Taking taylor expansion of (* x (+ (/ 1 y) (/ 1 x))) in x
0.335 * [taylor]: Taking taylor expansion of x in x
0.335 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.335 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.335 * [taylor]: Taking taylor expansion of y in x
0.335 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.336 * [taylor]: Taking taylor expansion of x in x
0.336 * [taylor]: Taking taylor expansion of 1 in y
0.336 * [taylor]: Taking taylor expansion of (neg (/ 1 y)) in y
0.336 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.336 * [taylor]: Taking taylor expansion of y in y
0.336 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.336 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.336 * [taylor]: Taking taylor expansion of y in y
0.337 * * * [progress]: simplifying candidates
0.337 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (/ x (+ x y)) y)
  (+ (- (log x) (log (+ x y))) (log y))
  (+ (log (/ x (+ x y))) (log y))
  (log (* (/ x (+ x y)) y))
  (exp (* (/ x (+ x y)) y))
  (* (/ (* (* x x) x) (* (* (+ x y) (+ x y)) (+ x y))) (* (* y y) y))
  (* (* (* (/ x (+ x y)) (/ x (+ x y))) (/ x (+ x y))) (* (* y y) y))
  (* (cbrt (* (/ x (+ x y)) y)) (cbrt (* (/ x (+ x y)) y)))
  (cbrt (* (/ x (+ x y)) y))
  (* (* (* (/ x (+ x y)) y) (* (/ x (+ x y)) y)) (* (/ x (+ x y)) y))
  (sqrt (* (/ x (+ x y)) y))
  (sqrt (* (/ x (+ x y)) y))
  (* (sqrt (/ x (+ x y))) (sqrt y))
  (* (sqrt (/ x (+ x y))) (sqrt y))
  (* (/ (sqrt x) (sqrt (+ x y))) (sqrt y))
  (* (/ (sqrt x) (sqrt (+ x y))) (sqrt y))
  (* (/ x (+ x y)) (* (cbrt y) (cbrt y)))
  (* (/ x (+ x y)) (sqrt y))
  (* (/ x (+ x y)) 1)
  (* (cbrt (/ x (+ x y))) y)
  (* (sqrt (/ x (+ x y))) y)
  (* (/ (cbrt x) (cbrt (+ x y))) y)
  (* (/ (cbrt x) (sqrt (+ x y))) y)
  (* (/ (cbrt x) (+ x y)) y)
  (* (/ (cbrt x) (+ x y)) y)
  (* (/ (sqrt x) (cbrt (+ x y))) y)
  (* (/ (sqrt x) (sqrt (+ x y))) y)
  (* (/ (sqrt x) (+ x y)) y)
  (* (/ (sqrt x) (+ x y)) y)
  (* (/ x (cbrt (+ x y))) y)
  (* (/ x (sqrt (+ x y))) y)
  (* (/ x (+ x y)) y)
  (* (/ x (+ x y)) y)
  (* (/ x (+ x y)) y)
  (* (/ 1 (+ x y)) y)
  (* (+ (* x x) (- (* y y) (* x y))) y)
  (* (- x y) y)
  (* x y)
  (- (log x) (log (+ x y)))
  (log (/ x (+ x y)))
  (exp (/ x (+ x y)))
  (/ (* (* x x) x) (* (* (+ x y) (+ x y)) (+ x y)))
  (* (cbrt (/ x (+ x y))) (cbrt (/ x (+ x y))))
  (cbrt (/ x (+ x y)))
  (* (* (/ x (+ x y)) (/ x (+ x y))) (/ x (+ x y)))
  (sqrt (/ x (+ x y)))
  (sqrt (/ x (+ x y)))
  (neg x)
  (neg (+ x y))
  (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (cbrt x) (cbrt (+ x y)))
  (/ (* (cbrt x) (cbrt x)) (sqrt (+ x y)))
  (/ (cbrt x) (sqrt (+ x y)))
  (/ (* (cbrt x) (cbrt x)) 1)
  (/ (cbrt x) (+ x y))
  (/ (* (cbrt x) (cbrt x)) 1)
  (/ (cbrt x) (+ x y))
  (/ (sqrt x) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (sqrt x) (cbrt (+ x y)))
  (/ (sqrt x) (sqrt (+ x y)))
  (/ (sqrt x) (sqrt (+ x y)))
  (/ (sqrt x) 1)
  (/ (sqrt x) (+ x y))
  (/ (sqrt x) 1)
  (/ (sqrt x) (+ x y))
  (/ 1 (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ x (cbrt (+ x y)))
  (/ 1 (sqrt (+ x y)))
  (/ x (sqrt (+ x y)))
  (/ 1 1)
  (/ x (+ x y))
  (/ 1 1)
  (/ x (+ x y))
  (/ 1 (+ x y))
  (/ (+ x y) x)
  (/ x (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ x (sqrt (+ x y)))
  (/ x 1)
  (/ x 1)
  (/ (+ x y) (cbrt x))
  (/ (+ x y) (sqrt x))
  (/ (+ x y) x)
  (/ x (+ (pow x 3) (pow y 3)))
  (/ x (- (* x x) (* y y)))
  0
  0
  0
  0
  0
  0
0.382 * * [simplify]: iteration  0 :  6309  enodes  (cost  604 )
0.387 * [simplify]: Simplified to:
   (* x (/ y (+ x y)))
  (log (* x (/ y (+ x y))))
  (log (* x (/ y (+ x y))))
  (log (* x (/ y (+ x y))))
  (pow (exp (/ x (+ x y))) y)
  (pow (* x (/ y (+ x y))) 3)
  (pow (* x (/ y (+ x y))) 3)
  (* (cbrt (* x (/ y (+ x y)))) (cbrt (* x (/ y (+ x y)))))
  (cbrt (* x (/ y (+ x y))))
  (pow (* x (/ y (+ x y))) 3)
  (sqrt (* x (/ y (+ x y))))
  (sqrt (* x (/ y (+ x y))))
  (* (sqrt (/ x (+ x y))) (sqrt y))
  (* (sqrt (/ x (+ x y))) (sqrt y))
  (* (sqrt y) (/ (sqrt x) (sqrt (+ x y))))
  (* (sqrt y) (/ (sqrt x) (sqrt (+ x y))))
  (* (/ x (+ x y)) (* (cbrt y) (cbrt y)))
  (* (/ x (+ x y)) (sqrt y))
  (/ x (+ x y))
  (* y (cbrt (/ x (+ x y))))
  (* y (sqrt (/ x (+ x y))))
  (* y (/ (cbrt x) (cbrt (+ x y))))
  (* y (/ (cbrt x) (sqrt (+ x y))))
  (* y (/ (cbrt x) (+ x y)))
  (* y (/ (cbrt x) (+ x y)))
  (* y (/ (sqrt x) (cbrt (+ x y))))
  (* y (/ (sqrt x) (sqrt (+ x y))))
  (* y (/ (sqrt x) (+ x y)))
  (* y (/ (sqrt x) (+ x y)))
  (* x (/ y (cbrt (+ x y))))
  (* x (/ y (sqrt (+ x y))))
  (* x (/ y (+ x y)))
  (* x (/ y (+ x y)))
  (* x (/ y (+ x y)))
  (/ y (+ x y))
  (+ (pow y 3) (* y (* x (- x y))))
  (* y (- x y))
  (* x y)
  (log (/ x (+ x y)))
  (log (/ x (+ x y)))
  (exp (/ x (+ x y)))
  (pow (/ x (+ x y)) 3)
  (* (cbrt (/ x (+ x y))) (cbrt (/ x (+ x y))))
  (cbrt (/ x (+ x y)))
  (pow (/ x (+ x y)) 3)
  (sqrt (/ x (+ x y)))
  (sqrt (/ x (+ x y)))
  (neg x)
  (- (neg x) y)
  (* (cbrt x) (/ (cbrt x) (* (cbrt (+ x y)) (cbrt (+ x y)))))
  (/ (cbrt x) (cbrt (+ x y)))
  (* (cbrt x) (/ (cbrt x) (sqrt (+ x y))))
  (/ (cbrt x) (sqrt (+ x y)))
  (* (cbrt x) (cbrt x))
  (/ (cbrt x) (+ x y))
  (* (cbrt x) (cbrt x))
  (/ (cbrt x) (+ x y))
  (/ (sqrt x) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (sqrt x) (cbrt (+ x y)))
  (/ (sqrt x) (sqrt (+ x y)))
  (/ (sqrt x) (sqrt (+ x y)))
  (sqrt x)
  (/ (sqrt x) (+ x y))
  (sqrt x)
  (/ (sqrt x) (+ x y))
  (/ 1 (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ x (cbrt (+ x y)))
  (/ 1 (sqrt (+ x y)))
  (/ x (sqrt (+ x y)))
  1
  (/ x (+ x y))
  1
  (/ x (+ x y))
  (/ 1 (+ x y))
  (/ (+ x y) x)
  (/ x (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ x (sqrt (+ x y)))
  x
  x
  (/ (+ x y) (cbrt x))
  (/ (+ x y) (sqrt x))
  (/ (+ x y) x)
  (/ x (+ (pow x 3) (pow y 3)))
  (/ x (- (* x x) (* y y)))
  0
  0
  0
  0
  0
  0
0.388 * * * [progress]: adding candidates to table
0.450 * [progress]: [Phase 3 of 3] Extracting.
0.450 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (+ (/ 0.5 y) (/ 0.5 x)))> #<alt (λ (x y) (/ 1 (* 2.0 (* (/ x (+ x y)) y))))>)
0.450 * * * [regime-changes]: Trying 2 branch expressions: (y x)
0.450 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (+ (/ 0.5 y) (/ 0.5 x)))> #<alt (λ (x y) (/ 1 (* 2.0 (* (/ x (+ x y)) y))))>)
0.479 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (+ (/ 0.5 y) (/ 0.5 x)))> #<alt (λ (x y) (/ 1 (* 2.0 (* (/ x (+ x y)) y))))>)
0.509 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
0.509 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (/ 0.5 y) (/ 0.5 x))
0.510 * * [simplify]: iteration  0 :  7  enodes  (cost  7 )
0.510 * * [simplify]: iteration  1 :  7  enodes  (cost  7 )
0.510 * [simplify]: Simplified to:
   (+ (/ 0.5 y) (/ 0.5 x))
1.091 * [regime-testing]: End program error score: 0.01467587416211761
1.156 * [regime-testing]: Target error score: 0.01467587416211761