30.257 * [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))
0.202 * * [simplify]: iteration  0 :  5709  enodes  (cost  9 )
0.202 * [simplify]: Simplified to:
   (/ (+ x y) (* x (* y 2.0)))
0.206 * * [progress]: iteration 1 / 4
0.206 * * * [progress]: picking best candidate
0.209 * * * * [pick]: Picked  #<alt (λ (x y) (/ (+ x y) (* x (* y 2.0))))>
0.209 * * * [progress]: localizing error
0.214 * * * [progress]: generating rewritten candidates
0.214 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.222 * * * [progress]: generating series expansions
0.222 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.222 * [approximate]: Taking taylor expansion of (* 0.5 (/ (+ x y) (* x y))) in (x y) around 0
0.222 * [taylor]: Taking taylor expansion of (* 0.5 (/ (+ x y) (* x y))) in y
0.222 * [taylor]: Taking taylor expansion of 0.5 in y
0.222 * [taylor]: Taking taylor expansion of (/ (+ x y) (* x y)) in y
0.222 * [taylor]: Taking taylor expansion of (+ x y) in y
0.222 * [taylor]: Taking taylor expansion of x in y
0.222 * [taylor]: Taking taylor expansion of y in y
0.222 * [taylor]: Taking taylor expansion of (* x y) in y
0.223 * [taylor]: Taking taylor expansion of x in y
0.223 * [taylor]: Taking taylor expansion of y in y
0.223 * [taylor]: Taking taylor expansion of (* 0.5 (/ (+ x y) (* x y))) in x
0.223 * [taylor]: Taking taylor expansion of 0.5 in x
0.223 * [taylor]: Taking taylor expansion of (/ (+ x y) (* x y)) in x
0.223 * [taylor]: Taking taylor expansion of (+ x y) in x
0.223 * [taylor]: Taking taylor expansion of x in x
0.223 * [taylor]: Taking taylor expansion of y in x
0.223 * [taylor]: Taking taylor expansion of (* x y) in x
0.223 * [taylor]: Taking taylor expansion of x in x
0.223 * [taylor]: Taking taylor expansion of y in x
0.223 * [taylor]: Taking taylor expansion of (* 0.5 (/ (+ x y) (* x y))) in x
0.223 * [taylor]: Taking taylor expansion of 0.5 in x
0.223 * [taylor]: Taking taylor expansion of (/ (+ x y) (* x y)) in x
0.223 * [taylor]: Taking taylor expansion of (+ x y) in x
0.223 * [taylor]: Taking taylor expansion of x in x
0.223 * [taylor]: Taking taylor expansion of y in x
0.223 * [taylor]: Taking taylor expansion of (* x y) in x
0.223 * [taylor]: Taking taylor expansion of x in x
0.223 * [taylor]: Taking taylor expansion of y in x
0.223 * [taylor]: Taking taylor expansion of 0.5 in y
0.223 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.223 * [taylor]: Taking taylor expansion of 0.5 in y
0.223 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.223 * [taylor]: Taking taylor expansion of y in y
0.223 * [taylor]: Taking taylor expansion of 0 in y
0.224 * [taylor]: Taking taylor expansion of 0 in y
0.224 * [taylor]: Taking taylor expansion of 0 in y
0.224 * [approximate]: Taking taylor expansion of (* 0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in (x y) around 0
0.224 * [taylor]: Taking taylor expansion of (* 0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in y
0.224 * [taylor]: Taking taylor expansion of 0.5 in y
0.224 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (* y x)) in y
0.224 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.224 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.224 * [taylor]: Taking taylor expansion of y in y
0.224 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.224 * [taylor]: Taking taylor expansion of x in y
0.224 * [taylor]: Taking taylor expansion of (* y x) in y
0.224 * [taylor]: Taking taylor expansion of y in y
0.224 * [taylor]: Taking taylor expansion of x in y
0.224 * [taylor]: Taking taylor expansion of (* 0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in x
0.224 * [taylor]: Taking taylor expansion of 0.5 in x
0.225 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (* y x)) in x
0.225 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) 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 (/ 1 x) in x
0.225 * [taylor]: Taking taylor expansion of x in x
0.225 * [taylor]: Taking taylor expansion of (* y x) in x
0.225 * [taylor]: Taking taylor expansion of y in x
0.225 * [taylor]: Taking taylor expansion of x in x
0.225 * [taylor]: Taking taylor expansion of (* 0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in x
0.225 * [taylor]: Taking taylor expansion of 0.5 in x
0.225 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (* y x)) in x
0.225 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) 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 (/ 1 x) in x
0.225 * [taylor]: Taking taylor expansion of x in x
0.225 * [taylor]: Taking taylor expansion of (* y x) in x
0.225 * [taylor]: Taking taylor expansion of y in x
0.225 * [taylor]: Taking taylor expansion of x in x
0.225 * [taylor]: Taking taylor expansion of 0 in y
0.225 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.225 * [taylor]: Taking taylor expansion of 0.5 in y
0.225 * [taylor]: Taking taylor expansion of y in y
0.225 * [taylor]: Taking taylor expansion of 0.5 in y
0.226 * [taylor]: Taking taylor expansion of 0 in y
0.226 * [taylor]: Taking taylor expansion of 0 in y
0.226 * [taylor]: Taking taylor expansion of 0 in y
0.227 * [approximate]: Taking taylor expansion of (* -0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in (x y) around 0
0.227 * [taylor]: Taking taylor expansion of (* -0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in y
0.227 * [taylor]: Taking taylor expansion of -0.5 in y
0.227 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (* y x)) in y
0.227 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.227 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.227 * [taylor]: Taking taylor expansion of y in y
0.227 * [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 (* y x) in y
0.227 * [taylor]: Taking taylor expansion of y in y
0.227 * [taylor]: Taking taylor expansion of x in y
0.227 * [taylor]: Taking taylor expansion of (* -0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in x
0.227 * [taylor]: Taking taylor expansion of -0.5 in x
0.227 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (* y x)) in x
0.227 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.227 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.227 * [taylor]: Taking taylor expansion of y in x
0.227 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.227 * [taylor]: Taking taylor expansion of x in x
0.227 * [taylor]: Taking taylor expansion of (* y x) in x
0.227 * [taylor]: Taking taylor expansion of y in x
0.227 * [taylor]: Taking taylor expansion of x in x
0.227 * [taylor]: Taking taylor expansion of (* -0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in x
0.227 * [taylor]: Taking taylor expansion of -0.5 in x
0.227 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (* y x)) in x
0.227 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.227 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.227 * [taylor]: Taking taylor expansion of y in x
0.227 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.227 * [taylor]: Taking taylor expansion of x in x
0.227 * [taylor]: Taking taylor expansion of (* y x) in x
0.227 * [taylor]: Taking taylor expansion of y in x
0.227 * [taylor]: Taking taylor expansion of x in x
0.227 * [taylor]: Taking taylor expansion of 0 in y
0.227 * [taylor]: Taking taylor expansion of (neg (* 0.5 y)) in y
0.227 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.227 * [taylor]: Taking taylor expansion of 0.5 in y
0.227 * [taylor]: Taking taylor expansion of y in y
0.228 * [taylor]: Taking taylor expansion of (neg 0.5) in y
0.228 * [taylor]: Taking taylor expansion of 0.5 in y
0.228 * [taylor]: Taking taylor expansion of 0 in y
0.228 * [taylor]: Taking taylor expansion of 0 in y
0.229 * [taylor]: Taking taylor expansion of 0 in y
0.229 * * * [progress]: simplifying candidates
0.229 * [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)))
0.275 * * [simplify]: iteration  0 :  5274  enodes  (cost  312 )
0.276 * [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)))
  (* x (* 2.0 (/ y (+ x y))))
  (/ (+ x y) x)
  (* 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 (* 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))
0.277 * * * [progress]: adding candidates to table
0.315 * * [progress]: iteration 2 / 4
0.315 * * * [progress]: picking best candidate
0.320 * * * * [pick]: Picked  #<alt (λ (x y) (+ (/ 0.5 y) (/ 0.5 x)))>
0.320 * * * [progress]: localizing error
0.325 * * * [progress]: generating rewritten candidates
0.325 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.339 * * * [progress]: generating series expansions
0.339 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.339 * [approximate]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in (y x) around 0
0.339 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x
0.339 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
0.339 * [taylor]: Taking taylor expansion of 0.5 in x
0.339 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.339 * [taylor]: Taking taylor expansion of y in x
0.339 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.339 * [taylor]: Taking taylor expansion of 0.5 in x
0.339 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.339 * [taylor]: Taking taylor expansion of x in x
0.339 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in y
0.339 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.339 * [taylor]: Taking taylor expansion of 0.5 in y
0.339 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.339 * [taylor]: Taking taylor expansion of y in y
0.339 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
0.339 * [taylor]: Taking taylor expansion of 0.5 in y
0.339 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.339 * [taylor]: Taking taylor expansion of x in y
0.339 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in y
0.339 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.339 * [taylor]: Taking taylor expansion of 0.5 in y
0.339 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.339 * [taylor]: Taking taylor expansion of y in y
0.339 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
0.339 * [taylor]: Taking taylor expansion of 0.5 in y
0.339 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.339 * [taylor]: Taking taylor expansion of x in y
0.340 * [taylor]: Taking taylor expansion of 0.5 in x
0.340 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.340 * [taylor]: Taking taylor expansion of 0.5 in x
0.340 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.340 * [taylor]: Taking taylor expansion of x in x
0.340 * [taylor]: Taking taylor expansion of 0 in x
0.340 * [taylor]: Taking taylor expansion of 0 in x
0.340 * [taylor]: Taking taylor expansion of 0 in x
0.341 * [approximate]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in (y x) around 0
0.341 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x
0.341 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.341 * [taylor]: Taking taylor expansion of 0.5 in x
0.341 * [taylor]: Taking taylor expansion of x in x
0.341 * [taylor]: Taking taylor expansion of (* 0.5 y) in x
0.341 * [taylor]: Taking taylor expansion of 0.5 in x
0.341 * [taylor]: Taking taylor expansion of y in x
0.341 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in y
0.341 * [taylor]: Taking taylor expansion of (* 0.5 x) in y
0.341 * [taylor]: Taking taylor expansion of 0.5 in y
0.341 * [taylor]: Taking taylor expansion of x in y
0.341 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.341 * [taylor]: Taking taylor expansion of 0.5 in y
0.341 * [taylor]: Taking taylor expansion of y in y
0.341 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in y
0.341 * [taylor]: Taking taylor expansion of (* 0.5 x) in y
0.341 * [taylor]: Taking taylor expansion of 0.5 in y
0.341 * [taylor]: Taking taylor expansion of x in y
0.341 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.341 * [taylor]: Taking taylor expansion of 0.5 in y
0.341 * [taylor]: Taking taylor expansion of y in y
0.341 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.341 * [taylor]: Taking taylor expansion of 0.5 in x
0.341 * [taylor]: Taking taylor expansion of x in x
0.341 * [taylor]: Taking taylor expansion of 0.5 in x
0.341 * [taylor]: Taking taylor expansion of 0 in x
0.341 * [taylor]: Taking taylor expansion of 0 in x
0.342 * [approximate]: Taking taylor expansion of (neg (+ (* 0.5 x) (* 0.5 y))) in (y x) around 0
0.342 * [taylor]: Taking taylor expansion of (neg (+ (* 0.5 x) (* 0.5 y))) in x
0.342 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x
0.342 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.342 * [taylor]: Taking taylor expansion of 0.5 in x
0.342 * [taylor]: Taking taylor expansion of x in x
0.342 * [taylor]: Taking taylor expansion of (* 0.5 y) in x
0.342 * [taylor]: Taking taylor expansion of 0.5 in x
0.342 * [taylor]: Taking taylor expansion of y in x
0.342 * [taylor]: Taking taylor expansion of (neg (+ (* 0.5 x) (* 0.5 y))) in y
0.342 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in y
0.342 * [taylor]: Taking taylor expansion of (* 0.5 x) in y
0.342 * [taylor]: Taking taylor expansion of 0.5 in y
0.342 * [taylor]: Taking taylor expansion of x in y
0.342 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.342 * [taylor]: Taking taylor expansion of 0.5 in y
0.342 * [taylor]: Taking taylor expansion of y in y
0.342 * [taylor]: Taking taylor expansion of (neg (+ (* 0.5 x) (* 0.5 y))) in y
0.342 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in y
0.342 * [taylor]: Taking taylor expansion of (* 0.5 x) in y
0.342 * [taylor]: Taking taylor expansion of 0.5 in y
0.342 * [taylor]: Taking taylor expansion of x in y
0.342 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.342 * [taylor]: Taking taylor expansion of 0.5 in y
0.342 * [taylor]: Taking taylor expansion of y in y
0.342 * [taylor]: Taking taylor expansion of (neg (* 0.5 x)) in x
0.342 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.342 * [taylor]: Taking taylor expansion of 0.5 in x
0.342 * [taylor]: Taking taylor expansion of x in x
0.342 * [taylor]: Taking taylor expansion of (neg 0.5) in x
0.342 * [taylor]: Taking taylor expansion of 0.5 in x
0.342 * [taylor]: Taking taylor expansion of 0 in x
0.343 * [taylor]: Taking taylor expansion of 0 in x
0.343 * * * [progress]: simplifying candidates
0.343 * [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)))
0.402 * * [simplify]: iteration  0 :  4928  enodes  (cost  190 )
0.402 * * [simplify]: iteration  1 :  4928  enodes  (cost  190 )
0.403 * [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))
0.403 * * * [progress]: adding candidates to table
0.428 * * [progress]: iteration 3 / 4
0.428 * * * [progress]: picking best candidate
0.431 * * * * [pick]: Picked  #<alt (λ (x y) (/ (/ (+ x y) x) (* y 2.0)))>
0.431 * * * [progress]: localizing error
0.436 * * * [progress]: generating rewritten candidates
0.436 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.445 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.453 * * * [progress]: generating series expansions
0.453 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.453 * [approximate]: Taking taylor expansion of (* 0.5 (/ (+ x y) (* x y))) in (x y) around 0
0.453 * [taylor]: Taking taylor expansion of (* 0.5 (/ (+ x y) (* x y))) in y
0.453 * [taylor]: Taking taylor expansion of 0.5 in y
0.453 * [taylor]: Taking taylor expansion of (/ (+ x y) (* x y)) in y
0.453 * [taylor]: Taking taylor expansion of (+ x y) in y
0.453 * [taylor]: Taking taylor expansion of x in y
0.453 * [taylor]: Taking taylor expansion of y in y
0.453 * [taylor]: Taking taylor expansion of (* x y) in y
0.453 * [taylor]: Taking taylor expansion of x in y
0.453 * [taylor]: Taking taylor expansion of y in y
0.453 * [taylor]: Taking taylor expansion of (* 0.5 (/ (+ x y) (* x y))) in x
0.453 * [taylor]: Taking taylor expansion of 0.5 in x
0.453 * [taylor]: Taking taylor expansion of (/ (+ x y) (* x y)) in x
0.453 * [taylor]: Taking taylor expansion of (+ x y) in x
0.453 * [taylor]: Taking taylor expansion of x in x
0.453 * [taylor]: Taking taylor expansion of y in x
0.453 * [taylor]: Taking taylor expansion of (* x y) in x
0.453 * [taylor]: Taking taylor expansion of x in x
0.453 * [taylor]: Taking taylor expansion of y in x
0.453 * [taylor]: Taking taylor expansion of (* 0.5 (/ (+ x y) (* x y))) in x
0.453 * [taylor]: Taking taylor expansion of 0.5 in x
0.453 * [taylor]: Taking taylor expansion of (/ (+ x y) (* x y)) in x
0.453 * [taylor]: Taking taylor expansion of (+ x y) in x
0.453 * [taylor]: Taking taylor expansion of x in x
0.453 * [taylor]: Taking taylor expansion of y in x
0.453 * [taylor]: Taking taylor expansion of (* x y) in x
0.453 * [taylor]: Taking taylor expansion of x in x
0.453 * [taylor]: Taking taylor expansion of y in x
0.453 * [taylor]: Taking taylor expansion of 0.5 in y
0.454 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.454 * [taylor]: Taking taylor expansion of 0.5 in y
0.454 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.454 * [taylor]: Taking taylor expansion of y in y
0.454 * [taylor]: Taking taylor expansion of 0 in y
0.454 * [taylor]: Taking taylor expansion of 0 in y
0.454 * [taylor]: Taking taylor expansion of 0 in y
0.455 * [approximate]: Taking taylor expansion of (* 0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in (x y) around 0
0.455 * [taylor]: Taking taylor expansion of (* 0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in y
0.455 * [taylor]: Taking taylor expansion of 0.5 in y
0.455 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (* y x)) in y
0.455 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.455 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.455 * [taylor]: Taking taylor expansion of y in y
0.455 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.455 * [taylor]: Taking taylor expansion of x in y
0.455 * [taylor]: Taking taylor expansion of (* y x) in y
0.455 * [taylor]: Taking taylor expansion of y in y
0.455 * [taylor]: Taking taylor expansion of x in y
0.455 * [taylor]: Taking taylor expansion of (* 0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in x
0.455 * [taylor]: Taking taylor expansion of 0.5 in x
0.455 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (* y x)) in x
0.455 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.455 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.455 * [taylor]: Taking taylor expansion of y in x
0.455 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.455 * [taylor]: Taking taylor expansion of x in x
0.455 * [taylor]: Taking taylor expansion of (* y x) in x
0.455 * [taylor]: Taking taylor expansion of y in x
0.455 * [taylor]: Taking taylor expansion of x in x
0.455 * [taylor]: Taking taylor expansion of (* 0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in x
0.455 * [taylor]: Taking taylor expansion of 0.5 in x
0.455 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (* y x)) in x
0.455 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.455 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.455 * [taylor]: Taking taylor expansion of y in x
0.455 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.455 * [taylor]: Taking taylor expansion of x in x
0.455 * [taylor]: Taking taylor expansion of (* y x) in x
0.455 * [taylor]: Taking taylor expansion of y in x
0.455 * [taylor]: Taking taylor expansion of x in x
0.455 * [taylor]: Taking taylor expansion of 0 in y
0.455 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.455 * [taylor]: Taking taylor expansion of 0.5 in y
0.455 * [taylor]: Taking taylor expansion of y in y
0.456 * [taylor]: Taking taylor expansion of 0.5 in y
0.456 * [taylor]: Taking taylor expansion of 0 in y
0.456 * [taylor]: Taking taylor expansion of 0 in y
0.457 * [taylor]: Taking taylor expansion of 0 in y
0.457 * [approximate]: Taking taylor expansion of (* -0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in (x y) around 0
0.457 * [taylor]: Taking taylor expansion of (* -0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in y
0.457 * [taylor]: Taking taylor expansion of -0.5 in y
0.457 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (* y x)) in y
0.457 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.457 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.457 * [taylor]: Taking taylor expansion of y in y
0.457 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.457 * [taylor]: Taking taylor expansion of x in y
0.457 * [taylor]: Taking taylor expansion of (* y x) in y
0.457 * [taylor]: Taking taylor expansion of y in y
0.457 * [taylor]: Taking taylor expansion of x in y
0.457 * [taylor]: Taking taylor expansion of (* -0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in x
0.457 * [taylor]: Taking taylor expansion of -0.5 in x
0.457 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (* y x)) in x
0.457 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.457 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.457 * [taylor]: Taking taylor expansion of y in x
0.457 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.457 * [taylor]: Taking taylor expansion of x in x
0.457 * [taylor]: Taking taylor expansion of (* y x) in x
0.457 * [taylor]: Taking taylor expansion of y in x
0.457 * [taylor]: Taking taylor expansion of x in x
0.457 * [taylor]: Taking taylor expansion of (* -0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in x
0.457 * [taylor]: Taking taylor expansion of -0.5 in x
0.457 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (* y x)) in x
0.457 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.457 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.457 * [taylor]: Taking taylor expansion of y in x
0.457 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.457 * [taylor]: Taking taylor expansion of x in x
0.458 * [taylor]: Taking taylor expansion of (* y x) in x
0.458 * [taylor]: Taking taylor expansion of y in x
0.458 * [taylor]: Taking taylor expansion of x in x
0.458 * [taylor]: Taking taylor expansion of 0 in y
0.458 * [taylor]: Taking taylor expansion of (neg (* 0.5 y)) in y
0.458 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.458 * [taylor]: Taking taylor expansion of 0.5 in y
0.458 * [taylor]: Taking taylor expansion of y in y
0.458 * [taylor]: Taking taylor expansion of (neg 0.5) in y
0.458 * [taylor]: Taking taylor expansion of 0.5 in y
0.458 * [taylor]: Taking taylor expansion of 0 in y
0.459 * [taylor]: Taking taylor expansion of 0 in y
0.459 * [taylor]: Taking taylor expansion of 0 in y
0.459 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
0.459 * [approximate]: Taking taylor expansion of (/ (+ x y) x) in (x y) around 0
0.459 * [taylor]: Taking taylor expansion of (/ (+ x y) x) in y
0.459 * [taylor]: Taking taylor expansion of (+ x y) in y
0.459 * [taylor]: Taking taylor expansion of x in y
0.459 * [taylor]: Taking taylor expansion of y in y
0.459 * [taylor]: Taking taylor expansion of x in y
0.459 * [taylor]: Taking taylor expansion of (/ (+ x y) x) in x
0.459 * [taylor]: Taking taylor expansion of (+ x y) in x
0.459 * [taylor]: Taking taylor expansion of x in x
0.459 * [taylor]: Taking taylor expansion of y in x
0.459 * [taylor]: Taking taylor expansion of x in x
0.459 * [taylor]: Taking taylor expansion of (/ (+ x y) x) in x
0.460 * [taylor]: Taking taylor expansion of (+ x y) in x
0.460 * [taylor]: Taking taylor expansion of x in x
0.460 * [taylor]: Taking taylor expansion of y in x
0.460 * [taylor]: Taking taylor expansion of x in x
0.460 * [taylor]: Taking taylor expansion of y in y
0.460 * [taylor]: Taking taylor expansion of 1 in y
0.460 * [taylor]: Taking taylor expansion of 0 in y
0.460 * [taylor]: Taking taylor expansion of 0 in y
0.460 * [approximate]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) x) in (x y) around 0
0.460 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) x) in y
0.460 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.460 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.460 * [taylor]: Taking taylor expansion of y in y
0.460 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.460 * [taylor]: Taking taylor expansion of x in y
0.460 * [taylor]: Taking taylor expansion of x in y
0.460 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) x) in x
0.460 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.460 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.460 * [taylor]: Taking taylor expansion of y in x
0.460 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.460 * [taylor]: Taking taylor expansion of x in x
0.460 * [taylor]: Taking taylor expansion of x in x
0.460 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) x) in x
0.460 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.460 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.460 * [taylor]: Taking taylor expansion of y in x
0.460 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.460 * [taylor]: Taking taylor expansion of x in x
0.460 * [taylor]: Taking taylor expansion of x in x
0.461 * [taylor]: Taking taylor expansion of 0 in y
0.461 * [taylor]: Taking taylor expansion of 1 in y
0.461 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.461 * [taylor]: Taking taylor expansion of y in y
0.461 * [taylor]: Taking taylor expansion of 0 in y
0.461 * [taylor]: Taking taylor expansion of 0 in y
0.463 * [approximate]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) x) in (x y) around 0
0.463 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) x) in y
0.463 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.463 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.463 * [taylor]: Taking taylor expansion of y in y
0.463 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.463 * [taylor]: Taking taylor expansion of x in y
0.463 * [taylor]: Taking taylor expansion of x in y
0.463 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) x) in x
0.463 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.463 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.464 * [taylor]: Taking taylor expansion of y in x
0.464 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.464 * [taylor]: Taking taylor expansion of x in x
0.464 * [taylor]: Taking taylor expansion of x in x
0.464 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) x) in x
0.464 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.464 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.464 * [taylor]: Taking taylor expansion of y in x
0.464 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.464 * [taylor]: Taking taylor expansion of x in x
0.464 * [taylor]: Taking taylor expansion of x in x
0.464 * [taylor]: Taking taylor expansion of 0 in y
0.464 * [taylor]: Taking taylor expansion of 1 in y
0.464 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.464 * [taylor]: Taking taylor expansion of y in y
0.464 * [taylor]: Taking taylor expansion of 0 in y
0.465 * [taylor]: Taking taylor expansion of 0 in y
0.465 * * * [progress]: simplifying candidates
0.466 * [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) x)) (+ (log y) (log 2.0)))
  (- (log (/ (+ x y) x)) (log (* 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) (/ (+ x y) x)) (/ (+ x y) x)) (* (* (* y y) y) (* (* 2.0 2.0) 2.0)))
  (/ (* (* (/ (+ x y) x) (/ (+ x y) x)) (/ (+ x y) x)) (* (* (* y 2.0) (* y 2.0)) (* 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) x))
  (neg (* y 2.0))
  (/ (* (cbrt (/ (+ x y) x)) (cbrt (/ (+ x y) x))) y)
  (/ (cbrt (/ (+ x y) x)) 2.0)
  (/ (sqrt (/ (+ x y) x)) y)
  (/ (sqrt (/ (+ x y) x)) 2.0)
  (/ (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (* (cbrt x) (cbrt x))) y)
  (/ (/ (cbrt (+ x y)) (cbrt x)) 2.0)
  (/ (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (sqrt x)) y)
  (/ (/ (cbrt (+ x y)) (sqrt x)) 2.0)
  (/ (/ (* (cbrt (+ x y)) (cbrt (+ x y))) 1) y)
  (/ (/ (cbrt (+ x y)) x) 2.0)
  (/ (/ (sqrt (+ x y)) (* (cbrt x) (cbrt x))) y)
  (/ (/ (sqrt (+ x y)) (cbrt x)) 2.0)
  (/ (/ (sqrt (+ x y)) (sqrt x)) y)
  (/ (/ (sqrt (+ x y)) (sqrt x)) 2.0)
  (/ (/ (sqrt (+ x y)) 1) y)
  (/ (/ (sqrt (+ x y)) x) 2.0)
  (/ (/ 1 (* (cbrt x) (cbrt x))) y)
  (/ (/ (+ x y) (cbrt x)) 2.0)
  (/ (/ 1 (sqrt x)) y)
  (/ (/ (+ x y) (sqrt x)) 2.0)
  (/ (/ 1 1) y)
  (/ (/ (+ x y) x) 2.0)
  (/ (/ 1 (* (cbrt x) (cbrt x))) y)
  (/ (/ (+ x y) (cbrt x)) 2.0)
  (/ (/ 1 (sqrt x)) y)
  (/ (/ (+ x y) (sqrt x)) 2.0)
  (/ (/ 1 1) y)
  (/ (/ (+ x y) x) 2.0)
  (/ 1 y)
  (/ (/ (+ x y) x) 2.0)
  (/ (+ x y) y)
  (/ (/ 1 x) 2.0)
  (/ 1 (* y 2.0))
  (/ (* y 2.0) (/ (+ x y) x))
  (/ (/ (+ x y) x) y)
  (/ (* y 2.0) (cbrt (/ (+ x y) x)))
  (/ (* y 2.0) (sqrt (/ (+ x y) x)))
  (/ (* y 2.0) (/ (cbrt (+ x y)) (cbrt x)))
  (/ (* y 2.0) (/ (cbrt (+ x y)) (sqrt x)))
  (/ (* y 2.0) (/ (cbrt (+ x y)) x))
  (/ (* y 2.0) (/ (sqrt (+ x y)) (cbrt x)))
  (/ (* y 2.0) (/ (sqrt (+ x y)) (sqrt x)))
  (/ (* y 2.0) (/ (sqrt (+ x y)) x))
  (/ (* y 2.0) (/ (+ x y) (cbrt x)))
  (/ (* y 2.0) (/ (+ x y) (sqrt x)))
  (/ (* y 2.0) (/ (+ x y) x))
  (/ (* y 2.0) (/ (+ x y) (cbrt x)))
  (/ (* y 2.0) (/ (+ x y) (sqrt x)))
  (/ (* y 2.0) (/ (+ x y) x))
  (/ (* y 2.0) (/ (+ x y) x))
  (/ (* y 2.0) (/ 1 x))
  (* (* y 2.0) x)
  (- (log (+ x y)) (log x))
  (log (/ (+ x y) x))
  (exp (/ (+ x y) x))
  (/ (* (* (+ x y) (+ x y)) (+ x y)) (* (* x x) x))
  (* (cbrt (/ (+ x y) x)) (cbrt (/ (+ x y) x)))
  (cbrt (/ (+ x y) x))
  (* (* (/ (+ x y) x) (/ (+ x y) x)) (/ (+ x y) x))
  (sqrt (/ (+ x y) x))
  (sqrt (/ (+ x y) x))
  (neg (+ x y))
  (neg x)
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (* (cbrt x) (cbrt x)))
  (/ (cbrt (+ x y)) (cbrt x))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (sqrt x))
  (/ (cbrt (+ x y)) (sqrt x))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) 1)
  (/ (cbrt (+ x y)) x)
  (/ (sqrt (+ x y)) (* (cbrt x) (cbrt x)))
  (/ (sqrt (+ x y)) (cbrt x))
  (/ (sqrt (+ x y)) (sqrt x))
  (/ (sqrt (+ x y)) (sqrt x))
  (/ (sqrt (+ x y)) 1)
  (/ (sqrt (+ x y)) x)
  (/ 1 (* (cbrt x) (cbrt x)))
  (/ (+ x y) (cbrt x))
  (/ 1 (sqrt x))
  (/ (+ x y) (sqrt x))
  (/ 1 1)
  (/ (+ x y) x)
  (/ 1 (* (cbrt x) (cbrt x)))
  (/ (+ x y) (cbrt x))
  (/ 1 (sqrt x))
  (/ (+ x y) (sqrt x))
  (/ 1 1)
  (/ (+ x y) x)
  (/ 1 x)
  (/ x (+ x y))
  (/ (+ x y) (* (cbrt x) (cbrt x)))
  (/ (+ x y) (sqrt x))
  (/ (+ x y) 1)
  (/ x (cbrt (+ x y)))
  (/ x (sqrt (+ x y)))
  (/ x (+ x y))
  (/ x (+ x y))
  (* x (+ (* x x) (- (* y y) (* x y))))
  (* x (- 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)))
  (+ (/ y x) 1)
  (+ (/ y x) 1)
  (+ (/ y x) 1)
0.506 * * [simplify]: iteration  0 :  5183  enodes  (cost  943 )
0.510 * [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))))
  (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)
  (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))
  (* y (neg 2.0))
  (* (cbrt (/ (+ x y) x)) (/ (cbrt (/ (+ x y) x)) y))
  (/ (cbrt (/ (+ x y) x)) 2.0)
  (/ (sqrt (/ (+ x y) x)) y)
  (/ (sqrt (/ (+ x y) x)) 2.0)
  (* (/ (cbrt (+ x y)) (cbrt x)) (/ (/ (cbrt (+ x y)) (cbrt x)) y))
  (/ (cbrt (+ x y)) (* 2.0 (cbrt x)))
  (* (/ (cbrt (+ x y)) (sqrt x)) (/ (cbrt (+ x y)) y))
  (/ (cbrt (+ x y)) (* 2.0 (sqrt x)))
  (* (cbrt (+ x y)) (/ (cbrt (+ x y)) y))
  (/ (cbrt (+ x y)) (* x 2.0))
  (/ (sqrt (+ x y)) (* y (* (cbrt x) (cbrt x))))
  (/ (sqrt (+ x y)) (* 2.0 (cbrt x)))
  (/ (sqrt (+ x y)) (* y (sqrt x)))
  (/ (sqrt (+ x y)) (* 2.0 (sqrt x)))
  (/ (sqrt (+ x y)) y)
  (/ (sqrt (+ x y)) (* x 2.0))
  (/ 1 (* y (* (cbrt x) (cbrt x))))
  (/ (+ x y) (* 2.0 (cbrt x)))
  (/ 1 (* y (sqrt x)))
  (/ (+ x y) (* 2.0 (sqrt x)))
  (/ 1 y)
  (/ (+ x y) (* x 2.0))
  (/ 1 (* y (* (cbrt x) (cbrt x))))
  (/ (+ x y) (* 2.0 (cbrt x)))
  (/ 1 (* y (sqrt x)))
  (/ (+ x y) (* 2.0 (sqrt x)))
  (/ 1 y)
  (/ (+ x y) (* x 2.0))
  (/ 1 y)
  (/ (+ x y) (* x 2.0))
  (/ (+ x y) y)
  (/ 1 (* x 2.0))
  (/ 1 (* y 2.0))
  (* x (* y (/ 2.0 (+ x y))))
  (/ (+ x y) (* x y))
  (* y (/ 2.0 (cbrt (/ (+ x y) x))))
  (* y (/ 2.0 (sqrt (/ (+ x y) x))))
  (* y (* 2.0 (/ (cbrt x) (cbrt (+ x y)))))
  (* y (* 2.0 (/ (sqrt x) (cbrt (+ x y)))))
  (* x (* y (/ 2.0 (cbrt (+ x y)))))
  (* y (* 2.0 (/ (cbrt x) (sqrt (+ x y)))))
  (* y (* 2.0 (/ (sqrt x) (sqrt (+ x y)))))
  (* x (* y (/ 2.0 (sqrt (+ x y)))))
  (* y (* 2.0 (/ (cbrt x) (+ x y))))
  (* y (* 2.0 (/ (sqrt x) (+ x y))))
  (* x (* y (/ 2.0 (+ x y))))
  (* y (* 2.0 (/ (cbrt x) (+ x y))))
  (* y (* 2.0 (/ (sqrt x) (+ x y))))
  (* x (* y (/ 2.0 (+ x y))))
  (* x (* y (/ 2.0 (+ x y))))
  (* x (* y 2.0))
  (* x (* y 2.0))
  (log (/ (+ x y) x))
  (log (/ (+ x y) x))
  (exp (/ (+ x y) x))
  (pow (/ (+ x y) x) 3)
  (* (cbrt (/ (+ x y) x)) (cbrt (/ (+ x y) x)))
  (cbrt (/ (+ x y) x))
  (pow (/ (+ x y) x) 3)
  (sqrt (/ (+ x y) x))
  (sqrt (/ (+ x y) x))
  (- (neg x) y)
  (neg x)
  (* (cbrt (+ x y)) (/ (cbrt (+ x y)) (* (cbrt x) (cbrt x))))
  (/ (cbrt (+ x y)) (cbrt x))
  (* (cbrt (+ x y)) (/ (cbrt (+ x y)) (sqrt x)))
  (/ (cbrt (+ x y)) (sqrt x))
  (* (cbrt (+ x y)) (cbrt (+ x y)))
  (/ (cbrt (+ x y)) x)
  (/ (sqrt (+ x y)) (* (cbrt x) (cbrt x)))
  (/ (sqrt (+ x y)) (cbrt x))
  (/ (sqrt (+ x y)) (sqrt x))
  (/ (sqrt (+ x y)) (sqrt x))
  (sqrt (+ x y))
  (/ (sqrt (+ x y)) x)
  (/ 1 (* (cbrt x) (cbrt x)))
  (/ (+ x y) (cbrt x))
  (/ 1 (sqrt x))
  (/ (+ x y) (sqrt x))
  1
  (/ (+ x y) x)
  (/ 1 (* (cbrt x) (cbrt x)))
  (/ (+ x y) (cbrt x))
  (/ 1 (sqrt x))
  (/ (+ x y) (sqrt x))
  1
  (/ (+ x y) x)
  (/ 1 x)
  (/ x (+ x y))
  (/ (+ x y) (* (cbrt x) (cbrt x)))
  (/ (+ x y) (sqrt x))
  (+ x y)
  (/ x (cbrt (+ x y)))
  (/ x (sqrt (+ x y)))
  (/ x (+ x y))
  (/ x (+ x y))
  (+ (pow x 3) (* x (* y (- y x))))
  (* x (- x y))
  (+ (/ 0.5 y) (/ 0.5 x))
  (+ (/ 0.5 y) (/ 0.5 x))
  (+ (/ 0.5 y) (/ 0.5 x))
  (+ 1 (/ y x))
  (+ 1 (/ y x))
  (+ 1 (/ y x))
0.510 * * * [progress]: adding candidates to table
0.587 * [progress]: [Phase 3 of 3] Extracting.
0.587 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (/ (/ (+ x y) x) (* y 2.0)))> #<alt (λ (x y) (+ (/ 0.5 y) (/ 0.5 x)))>)
0.587 * * * [regime-changes]: Trying 2 branch expressions: (y x)
0.587 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (/ (/ (+ x y) x) (* y 2.0)))> #<alt (λ (x y) (+ (/ 0.5 y) (/ 0.5 x)))>)
0.620 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (/ (/ (+ x y) x) (* y 2.0)))> #<alt (λ (x y) (+ (/ 0.5 y) (/ 0.5 x)))>)
0.651 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
0.651 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (/ 0.5 y) (/ 0.5 x))
0.652 * * [simplify]: iteration  0 :  25  enodes  (cost  7 )
0.652 * * [simplify]: iteration  1 :  25  enodes  (cost  7 )
0.652 * [simplify]: Simplified to:
   (+ (/ 0.5 y) (/ 0.5 x))
1.309 * [regime-testing]: End program error score: 0.015050921042977717
1.385 * [regime-testing]: Target error score: 0.015050921042977717