17.088 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.014 * * * [progress]: [2/2] Setting up program.
0.016 * [progress]: [Phase 2 of 3] Improving.
0.016 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (- x y) (* (* x 2.0) y))
0.019 * * [simplify]: iteration  0 :  18  enodes  (cost  4 )
0.020 * * [simplify]: iteration  1 :  48  enodes  (cost  4 )
0.022 * * [simplify]: iteration  2 :  106  enodes  (cost  4 )
0.024 * * [simplify]: iteration  3 :  174  enodes  (cost  4 )
0.026 * * [simplify]: iteration  4 :  198  enodes  (cost  4 )
0.028 * * [simplify]: iteration  5 :  203  enodes  (cost  4 )
0.031 * * [simplify]: iteration  6 :  203  enodes  (cost  4 )
0.031 * [simplify]: Simplified to:
   (/ (- x y) (* (* x 2.0) y))
0.031 * * [progress]: iteration 1 / 4
0.031 * * * [progress]: picking best candidate
0.032 * * * * [pick]: Picked  #<alt (λ (x y) (/ (- x y) (* (* x 2.0) y)))>
0.032 * * * [progress]: localizing error
0.038 * * * [progress]: generating rewritten candidates
0.038 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.053 * * * [progress]: generating series expansions
0.053 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.053 * [approximate]: Taking taylor expansion of (* 0.5 (/ (- x y) (* x y))) in (x y) around 0
0.053 * [taylor]: Taking taylor expansion of (* 0.5 (/ (- x y) (* x y))) in y
0.053 * [taylor]: Taking taylor expansion of 0.5 in y
0.053 * [taylor]: Taking taylor expansion of (/ (- x y) (* x y)) in y
0.053 * [taylor]: Taking taylor expansion of (- x y) in y
0.053 * [taylor]: Taking taylor expansion of x in y
0.053 * [taylor]: Taking taylor expansion of y in y
0.053 * [taylor]: Taking taylor expansion of (* x y) in y
0.053 * [taylor]: Taking taylor expansion of x in y
0.053 * [taylor]: Taking taylor expansion of y in y
0.054 * [taylor]: Taking taylor expansion of (* 0.5 (/ (- x y) (* x y))) in x
0.054 * [taylor]: Taking taylor expansion of 0.5 in x
0.054 * [taylor]: Taking taylor expansion of (/ (- x y) (* x y)) in x
0.054 * [taylor]: Taking taylor expansion of (- x y) in x
0.054 * [taylor]: Taking taylor expansion of x in x
0.054 * [taylor]: Taking taylor expansion of y in x
0.054 * [taylor]: Taking taylor expansion of (* x y) in x
0.054 * [taylor]: Taking taylor expansion of x in x
0.054 * [taylor]: Taking taylor expansion of y in x
0.054 * [taylor]: Taking taylor expansion of (* 0.5 (/ (- x y) (* x y))) in x
0.054 * [taylor]: Taking taylor expansion of 0.5 in x
0.054 * [taylor]: Taking taylor expansion of (/ (- x y) (* x y)) in x
0.054 * [taylor]: Taking taylor expansion of (- x y) in x
0.054 * [taylor]: Taking taylor expansion of x in x
0.054 * [taylor]: Taking taylor expansion of y in x
0.054 * [taylor]: Taking taylor expansion of (* x y) in x
0.054 * [taylor]: Taking taylor expansion of x in x
0.054 * [taylor]: Taking taylor expansion of y in x
0.055 * [taylor]: Taking taylor expansion of -0.5 in y
0.057 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.057 * [taylor]: Taking taylor expansion of 0.5 in y
0.057 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.057 * [taylor]: Taking taylor expansion of y in y
0.059 * [taylor]: Taking taylor expansion of 0 in y
0.062 * [taylor]: Taking taylor expansion of 0 in y
0.066 * [taylor]: Taking taylor expansion of 0 in y
0.067 * [approximate]: Taking taylor expansion of (* 0.5 (* (- (/ 1 x) (/ 1 y)) (* x y))) in (x y) around 0
0.067 * [taylor]: Taking taylor expansion of (* 0.5 (* (- (/ 1 x) (/ 1 y)) (* x y))) in y
0.067 * [taylor]: Taking taylor expansion of 0.5 in y
0.067 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in y
0.067 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.067 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.067 * [taylor]: Taking taylor expansion of x in y
0.067 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.067 * [taylor]: Taking taylor expansion of y in y
0.067 * [taylor]: Taking taylor expansion of (* x y) in y
0.067 * [taylor]: Taking taylor expansion of x in y
0.067 * [taylor]: Taking taylor expansion of y in y
0.067 * [taylor]: Taking taylor expansion of (* 0.5 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
0.067 * [taylor]: Taking taylor expansion of 0.5 in x
0.067 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
0.067 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.067 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.067 * [taylor]: Taking taylor expansion of x in x
0.067 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.067 * [taylor]: Taking taylor expansion of y in x
0.067 * [taylor]: Taking taylor expansion of (* x y) in x
0.067 * [taylor]: Taking taylor expansion of x in x
0.067 * [taylor]: Taking taylor expansion of y in x
0.067 * [taylor]: Taking taylor expansion of (* 0.5 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
0.067 * [taylor]: Taking taylor expansion of 0.5 in x
0.068 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
0.068 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.068 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.068 * [taylor]: Taking taylor expansion of x in x
0.068 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.068 * [taylor]: Taking taylor expansion of y in x
0.068 * [taylor]: Taking taylor expansion of (* x y) in x
0.068 * [taylor]: Taking taylor expansion of x in x
0.068 * [taylor]: Taking taylor expansion of y in x
0.069 * [taylor]: Taking taylor expansion of 0 in y
0.070 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.070 * [taylor]: Taking taylor expansion of 0.5 in y
0.070 * [taylor]: Taking taylor expansion of y in y
0.073 * [taylor]: Taking taylor expansion of (- 0.5) in y
0.073 * [taylor]: Taking taylor expansion of 0.5 in y
0.076 * [taylor]: Taking taylor expansion of 0 in y
0.081 * [taylor]: Taking taylor expansion of 0 in y
0.086 * [taylor]: Taking taylor expansion of 0 in y
0.087 * [approximate]: Taking taylor expansion of (* 0.5 (* x (* y (- (/ 1 y) (/ 1 x))))) in (x y) around 0
0.087 * [taylor]: Taking taylor expansion of (* 0.5 (* x (* y (- (/ 1 y) (/ 1 x))))) in y
0.087 * [taylor]: Taking taylor expansion of 0.5 in y
0.087 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in y
0.087 * [taylor]: Taking taylor expansion of x in y
0.087 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in y
0.087 * [taylor]: Taking taylor expansion of y in y
0.087 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.087 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.087 * [taylor]: Taking taylor expansion of y in y
0.087 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.087 * [taylor]: Taking taylor expansion of x in y
0.088 * [taylor]: Taking taylor expansion of (* 0.5 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
0.088 * [taylor]: Taking taylor expansion of 0.5 in x
0.088 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
0.088 * [taylor]: Taking taylor expansion of x in x
0.088 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.088 * [taylor]: Taking taylor expansion of y in x
0.088 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.088 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.088 * [taylor]: Taking taylor expansion of y in x
0.088 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.088 * [taylor]: Taking taylor expansion of x in x
0.088 * [taylor]: Taking taylor expansion of (* 0.5 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
0.088 * [taylor]: Taking taylor expansion of 0.5 in x
0.088 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
0.088 * [taylor]: Taking taylor expansion of x in x
0.088 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.088 * [taylor]: Taking taylor expansion of y in x
0.088 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.088 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.088 * [taylor]: Taking taylor expansion of y in x
0.088 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.088 * [taylor]: Taking taylor expansion of x in x
0.089 * [taylor]: Taking taylor expansion of 0 in y
0.091 * [taylor]: Taking taylor expansion of (- (* 0.5 y)) in y
0.091 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.091 * [taylor]: Taking taylor expansion of 0.5 in y
0.091 * [taylor]: Taking taylor expansion of y in y
0.093 * [taylor]: Taking taylor expansion of 0.5 in y
0.097 * [taylor]: Taking taylor expansion of 0 in y
0.105 * [taylor]: Taking taylor expansion of 0 in y
0.110 * [taylor]: Taking taylor expansion of 0 in y
0.111 * * * [progress]: simplifying candidates
0.111 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (expm1 (/ (- x y) (* (* x 2.0) y)))
  (log1p (/ (- x y) (* (* x 2.0) y)))
  (- (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)))
  (- (- x y))
  (- (* (* x 2.0) y))
  (/ x (* (* x 2.0) y))
  (/ y (* (* 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)
  (/ (+ (sqrt x) (sqrt y)) (* x 2.0))
  (/ (- (sqrt x) (sqrt 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) (- (sqrt x) (sqrt 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)))
0.116 * * [simplify]: iteration  0 :  242  enodes  (cost  218 )
0.120 * * [simplify]: iteration  1 :  990  enodes  (cost  181 )
0.141 * * [simplify]: iteration  2 :  5002  enodes  (cost  180 )
0.142 * [simplify]: Simplified to:
   (expm1 (/ (- x y) (* (* x 2.0) y)))
  (log1p (/ (- 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)
  (* (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))
  (/ 1 (* 2.0 y))
  (/ 1 (* x 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)
  (/ (+ (sqrt x) (sqrt y)) (* x 2.0))
  (/ (- (sqrt x) (sqrt 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) (- (sqrt x) (sqrt y)))
  (/ (* (* x 2.0) y) (- x y))
  (* (* x 2.0) (* y (fma x x (fma y y (* x y)))))
  (* (* (* x 2.0) y) (+ x y))
  (* 0.5 (- (/ 1 y) (/ 1 x)))
  (* 0.5 (- (/ 1 y) (/ 1 x)))
  (* 0.5 (- (/ 1 y) (/ 1 x)))
0.142 * * * [progress]: adding candidates to table
0.197 * * [progress]: iteration 2 / 4
0.197 * * * [progress]: picking best candidate
0.199 * * * * [pick]: Picked  #<alt (λ (x y) (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0))))>
0.199 * * * [progress]: localizing error
0.205 * * * [progress]: generating rewritten candidates
0.205 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.227 * * * [progress]: generating series expansions
0.227 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.227 * [approximate]: Taking taylor expansion of (- (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in (y x) around 0
0.227 * [taylor]: Taking taylor expansion of (- (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x
0.227 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
0.227 * [taylor]: Taking taylor expansion of 0.5 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 (* 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 (- (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in y
0.228 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.228 * [taylor]: Taking taylor expansion of 0.5 in y
0.228 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.228 * [taylor]: Taking taylor expansion of y in y
0.228 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
0.228 * [taylor]: Taking taylor expansion of 0.5 in y
0.228 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.228 * [taylor]: Taking taylor expansion of x in y
0.228 * [taylor]: Taking taylor expansion of (- (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in y
0.228 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.228 * [taylor]: Taking taylor expansion of 0.5 in y
0.228 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.228 * [taylor]: Taking taylor expansion of y in y
0.229 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
0.229 * [taylor]: Taking taylor expansion of 0.5 in y
0.229 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.229 * [taylor]: Taking taylor expansion of x in y
0.229 * [taylor]: Taking taylor expansion of 0.5 in x
0.230 * [taylor]: Taking taylor expansion of (- (* 0.5 (/ 1 x))) in x
0.230 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.230 * [taylor]: Taking taylor expansion of 0.5 in x
0.230 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.230 * [taylor]: Taking taylor expansion of x in x
0.233 * [taylor]: Taking taylor expansion of 0 in x
0.236 * [taylor]: Taking taylor expansion of 0 in x
0.240 * [taylor]: Taking taylor expansion of 0 in x
0.240 * [approximate]: Taking taylor expansion of (- (* 0.5 y) (* 0.5 x)) in (y x) around 0
0.240 * [taylor]: Taking taylor expansion of (- (* 0.5 y) (* 0.5 x)) in x
0.240 * [taylor]: Taking taylor expansion of (* 0.5 y) in x
0.240 * [taylor]: Taking taylor expansion of 0.5 in x
0.240 * [taylor]: Taking taylor expansion of y in x
0.240 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.240 * [taylor]: Taking taylor expansion of 0.5 in x
0.240 * [taylor]: Taking taylor expansion of x in x
0.240 * [taylor]: Taking taylor expansion of (- (* 0.5 y) (* 0.5 x)) in y
0.240 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.240 * [taylor]: Taking taylor expansion of 0.5 in y
0.240 * [taylor]: Taking taylor expansion of y in y
0.240 * [taylor]: Taking taylor expansion of (* 0.5 x) in y
0.240 * [taylor]: Taking taylor expansion of 0.5 in y
0.240 * [taylor]: Taking taylor expansion of x in y
0.240 * [taylor]: Taking taylor expansion of (- (* 0.5 y) (* 0.5 x)) in y
0.240 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.240 * [taylor]: Taking taylor expansion of 0.5 in y
0.241 * [taylor]: Taking taylor expansion of y in y
0.241 * [taylor]: Taking taylor expansion of (* 0.5 x) in y
0.241 * [taylor]: Taking taylor expansion of 0.5 in y
0.241 * [taylor]: Taking taylor expansion of x in y
0.241 * [taylor]: Taking taylor expansion of (- (* 0.5 x)) in x
0.241 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.241 * [taylor]: Taking taylor expansion of 0.5 in x
0.241 * [taylor]: Taking taylor expansion of x in x
0.243 * [taylor]: Taking taylor expansion of 0.5 in x
0.246 * [taylor]: Taking taylor expansion of 0 in x
0.248 * [taylor]: Taking taylor expansion of 0 in x
0.249 * [approximate]: Taking taylor expansion of (- (* 0.5 x) (* 0.5 y)) in (y x) around 0
0.249 * [taylor]: Taking taylor expansion of (- (* 0.5 x) (* 0.5 y)) in x
0.249 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.249 * [taylor]: Taking taylor expansion of 0.5 in x
0.249 * [taylor]: Taking taylor expansion of x in x
0.249 * [taylor]: Taking taylor expansion of (* 0.5 y) in x
0.249 * [taylor]: Taking taylor expansion of 0.5 in x
0.249 * [taylor]: Taking taylor expansion of y in x
0.249 * [taylor]: Taking taylor expansion of (- (* 0.5 x) (* 0.5 y)) in y
0.249 * [taylor]: Taking taylor expansion of (* 0.5 x) in y
0.249 * [taylor]: Taking taylor expansion of 0.5 in y
0.249 * [taylor]: Taking taylor expansion of x in y
0.249 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.249 * [taylor]: Taking taylor expansion of 0.5 in y
0.249 * [taylor]: Taking taylor expansion of y in y
0.249 * [taylor]: Taking taylor expansion of (- (* 0.5 x) (* 0.5 y)) in y
0.249 * [taylor]: Taking taylor expansion of (* 0.5 x) in y
0.249 * [taylor]: Taking taylor expansion of 0.5 in y
0.249 * [taylor]: Taking taylor expansion of x in y
0.249 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.249 * [taylor]: Taking taylor expansion of 0.5 in y
0.249 * [taylor]: Taking taylor expansion of y in y
0.250 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.250 * [taylor]: Taking taylor expansion of 0.5 in x
0.250 * [taylor]: Taking taylor expansion of x in x
0.256 * [taylor]: Taking taylor expansion of (- 0.5) in x
0.256 * [taylor]: Taking taylor expansion of 0.5 in x
0.259 * [taylor]: Taking taylor expansion of 0 in x
0.261 * [taylor]: Taking taylor expansion of 0 in x
0.262 * * * [progress]: simplifying candidates
0.263 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (fma (* (cbrt (/ 1 (* 2.0 y))) (cbrt (/ 1 (* 2.0 y)))) (cbrt (/ 1 (* 2.0 y))) (- (* (cbrt (/ 1 (* x 2.0))) (* (cbrt (/ 1 (* x 2.0))) (cbrt (/ 1 (* x 2.0)))))))
  (fma (- (cbrt (/ 1 (* x 2.0)))) (* (cbrt (/ 1 (* x 2.0))) (cbrt (/ 1 (* x 2.0)))) (* (cbrt (/ 1 (* x 2.0))) (* (cbrt (/ 1 (* x 2.0))) (cbrt (/ 1 (* x 2.0))))))
  (fma (* (cbrt (/ 1 (* 2.0 y))) (cbrt (/ 1 (* 2.0 y)))) (cbrt (/ 1 (* 2.0 y))) (- (* (sqrt (/ 1 (* x 2.0))) (sqrt (/ 1 (* x 2.0))))))
  (fma (- (sqrt (/ 1 (* x 2.0)))) (sqrt (/ 1 (* x 2.0))) (* (sqrt (/ 1 (* x 2.0))) (sqrt (/ 1 (* x 2.0)))))
  (fma (* (cbrt (/ 1 (* 2.0 y))) (cbrt (/ 1 (* 2.0 y)))) (cbrt (/ 1 (* 2.0 y))) (- (* (/ (cbrt 1) 2.0) (/ (* (cbrt 1) (cbrt 1)) x))))
  (fma (- (/ (cbrt 1) 2.0)) (/ (* (cbrt 1) (cbrt 1)) x) (* (/ (cbrt 1) 2.0) (/ (* (cbrt 1) (cbrt 1)) x)))
  (fma (* (cbrt (/ 1 (* 2.0 y))) (cbrt (/ 1 (* 2.0 y)))) (cbrt (/ 1 (* 2.0 y))) (- (* (/ (sqrt 1) 2.0) (/ (sqrt 1) x))))
  (fma (- (/ (sqrt 1) 2.0)) (/ (sqrt 1) x) (* (/ (sqrt 1) 2.0) (/ (sqrt 1) x)))
  (fma (* (cbrt (/ 1 (* 2.0 y))) (cbrt (/ 1 (* 2.0 y)))) (cbrt (/ 1 (* 2.0 y))) (- (* (/ 1 2.0) (/ 1 x))))
  (fma (- (/ 1 2.0)) (/ 1 x) (* (/ 1 2.0) (/ 1 x)))
  (fma (* (cbrt (/ 1 (* 2.0 y))) (cbrt (/ 1 (* 2.0 y)))) (cbrt (/ 1 (* 2.0 y))) (- (* (/ 1 (* x 2.0)) 1)))
  (fma (- (/ 1 (* x 2.0))) 1 (* (/ 1 (* x 2.0)) 1))
  (fma (* (cbrt (/ 1 (* 2.0 y))) (cbrt (/ 1 (* 2.0 y)))) (cbrt (/ 1 (* 2.0 y))) (- (* (/ 1 (* x 2.0)) 1)))
  (fma (- (/ 1 (* x 2.0))) 1 (* (/ 1 (* x 2.0)) 1))
  (fma (sqrt (/ 1 (* 2.0 y))) (sqrt (/ 1 (* 2.0 y))) (- (* (cbrt (/ 1 (* x 2.0))) (* (cbrt (/ 1 (* x 2.0))) (cbrt (/ 1 (* x 2.0)))))))
  (fma (- (cbrt (/ 1 (* x 2.0)))) (* (cbrt (/ 1 (* x 2.0))) (cbrt (/ 1 (* x 2.0)))) (* (cbrt (/ 1 (* x 2.0))) (* (cbrt (/ 1 (* x 2.0))) (cbrt (/ 1 (* x 2.0))))))
  (fma (sqrt (/ 1 (* 2.0 y))) (sqrt (/ 1 (* 2.0 y))) (- (* (sqrt (/ 1 (* x 2.0))) (sqrt (/ 1 (* x 2.0))))))
  (fma (- (sqrt (/ 1 (* x 2.0)))) (sqrt (/ 1 (* x 2.0))) (* (sqrt (/ 1 (* x 2.0))) (sqrt (/ 1 (* x 2.0)))))
  (fma (sqrt (/ 1 (* 2.0 y))) (sqrt (/ 1 (* 2.0 y))) (- (* (/ (cbrt 1) 2.0) (/ (* (cbrt 1) (cbrt 1)) x))))
  (fma (- (/ (cbrt 1) 2.0)) (/ (* (cbrt 1) (cbrt 1)) x) (* (/ (cbrt 1) 2.0) (/ (* (cbrt 1) (cbrt 1)) x)))
  (fma (sqrt (/ 1 (* 2.0 y))) (sqrt (/ 1 (* 2.0 y))) (- (* (/ (sqrt 1) 2.0) (/ (sqrt 1) x))))
  (fma (- (/ (sqrt 1) 2.0)) (/ (sqrt 1) x) (* (/ (sqrt 1) 2.0) (/ (sqrt 1) x)))
  (fma (sqrt (/ 1 (* 2.0 y))) (sqrt (/ 1 (* 2.0 y))) (- (* (/ 1 2.0) (/ 1 x))))
  (fma (- (/ 1 2.0)) (/ 1 x) (* (/ 1 2.0) (/ 1 x)))
  (fma (sqrt (/ 1 (* 2.0 y))) (sqrt (/ 1 (* 2.0 y))) (- (* (/ 1 (* x 2.0)) 1)))
  (fma (- (/ 1 (* x 2.0))) 1 (* (/ 1 (* x 2.0)) 1))
  (fma (sqrt (/ 1 (* 2.0 y))) (sqrt (/ 1 (* 2.0 y))) (- (* (/ 1 (* x 2.0)) 1)))
  (fma (- (/ 1 (* x 2.0))) 1 (* (/ 1 (* x 2.0)) 1))
  (fma (/ (* (cbrt 1) (cbrt 1)) 2.0) (/ (cbrt 1) y) (- (* (cbrt (/ 1 (* x 2.0))) (* (cbrt (/ 1 (* x 2.0))) (cbrt (/ 1 (* x 2.0)))))))
  (fma (- (cbrt (/ 1 (* x 2.0)))) (* (cbrt (/ 1 (* x 2.0))) (cbrt (/ 1 (* x 2.0)))) (* (cbrt (/ 1 (* x 2.0))) (* (cbrt (/ 1 (* x 2.0))) (cbrt (/ 1 (* x 2.0))))))
  (fma (/ (* (cbrt 1) (cbrt 1)) 2.0) (/ (cbrt 1) y) (- (* (sqrt (/ 1 (* x 2.0))) (sqrt (/ 1 (* x 2.0))))))
  (fma (- (sqrt (/ 1 (* x 2.0)))) (sqrt (/ 1 (* x 2.0))) (* (sqrt (/ 1 (* x 2.0))) (sqrt (/ 1 (* x 2.0)))))
  (fma (/ (* (cbrt 1) (cbrt 1)) 2.0) (/ (cbrt 1) y) (- (* (/ (cbrt 1) 2.0) (/ (* (cbrt 1) (cbrt 1)) x))))
  (fma (- (/ (cbrt 1) 2.0)) (/ (* (cbrt 1) (cbrt 1)) x) (* (/ (cbrt 1) 2.0) (/ (* (cbrt 1) (cbrt 1)) x)))
  (fma (/ (* (cbrt 1) (cbrt 1)) 2.0) (/ (cbrt 1) y) (- (* (/ (sqrt 1) 2.0) (/ (sqrt 1) x))))
  (fma (- (/ (sqrt 1) 2.0)) (/ (sqrt 1) x) (* (/ (sqrt 1) 2.0) (/ (sqrt 1) x)))
  (fma (/ (* (cbrt 1) (cbrt 1)) 2.0) (/ (cbrt 1) y) (- (* (/ 1 2.0) (/ 1 x))))
  (fma (- (/ 1 2.0)) (/ 1 x) (* (/ 1 2.0) (/ 1 x)))
  (fma (/ (* (cbrt 1) (cbrt 1)) 2.0) (/ (cbrt 1) y) (- (* (/ 1 (* x 2.0)) 1)))
  (fma (- (/ 1 (* x 2.0))) 1 (* (/ 1 (* x 2.0)) 1))
  (fma (/ (* (cbrt 1) (cbrt 1)) 2.0) (/ (cbrt 1) y) (- (* (/ 1 (* x 2.0)) 1)))
  (fma (- (/ 1 (* x 2.0))) 1 (* (/ 1 (* x 2.0)) 1))
  (fma (/ (sqrt 1) 2.0) (/ (sqrt 1) y) (- (* (cbrt (/ 1 (* x 2.0))) (* (cbrt (/ 1 (* x 2.0))) (cbrt (/ 1 (* x 2.0)))))))
  (fma (- (cbrt (/ 1 (* x 2.0)))) (* (cbrt (/ 1 (* x 2.0))) (cbrt (/ 1 (* x 2.0)))) (* (cbrt (/ 1 (* x 2.0))) (* (cbrt (/ 1 (* x 2.0))) (cbrt (/ 1 (* x 2.0))))))
  (fma (/ (sqrt 1) 2.0) (/ (sqrt 1) y) (- (* (sqrt (/ 1 (* x 2.0))) (sqrt (/ 1 (* x 2.0))))))
  (fma (- (sqrt (/ 1 (* x 2.0)))) (sqrt (/ 1 (* x 2.0))) (* (sqrt (/ 1 (* x 2.0))) (sqrt (/ 1 (* x 2.0)))))
  (fma (/ (sqrt 1) 2.0) (/ (sqrt 1) y) (- (* (/ (cbrt 1) 2.0) (/ (* (cbrt 1) (cbrt 1)) x))))
  (fma (- (/ (cbrt 1) 2.0)) (/ (* (cbrt 1) (cbrt 1)) x) (* (/ (cbrt 1) 2.0) (/ (* (cbrt 1) (cbrt 1)) x)))
  (fma (/ (sqrt 1) 2.0) (/ (sqrt 1) y) (- (* (/ (sqrt 1) 2.0) (/ (sqrt 1) x))))
  (fma (- (/ (sqrt 1) 2.0)) (/ (sqrt 1) x) (* (/ (sqrt 1) 2.0) (/ (sqrt 1) x)))
  (fma (/ (sqrt 1) 2.0) (/ (sqrt 1) y) (- (* (/ 1 2.0) (/ 1 x))))
  (fma (- (/ 1 2.0)) (/ 1 x) (* (/ 1 2.0) (/ 1 x)))
  (fma (/ (sqrt 1) 2.0) (/ (sqrt 1) y) (- (* (/ 1 (* x 2.0)) 1)))
  (fma (- (/ 1 (* x 2.0))) 1 (* (/ 1 (* x 2.0)) 1))
  (fma (/ (sqrt 1) 2.0) (/ (sqrt 1) y) (- (* (/ 1 (* x 2.0)) 1)))
  (fma (- (/ 1 (* x 2.0))) 1 (* (/ 1 (* x 2.0)) 1))
  (fma (/ 1 2.0) (/ 1 y) (- (* (cbrt (/ 1 (* x 2.0))) (* (cbrt (/ 1 (* x 2.0))) (cbrt (/ 1 (* x 2.0)))))))
  (fma (- (cbrt (/ 1 (* x 2.0)))) (* (cbrt (/ 1 (* x 2.0))) (cbrt (/ 1 (* x 2.0)))) (* (cbrt (/ 1 (* x 2.0))) (* (cbrt (/ 1 (* x 2.0))) (cbrt (/ 1 (* x 2.0))))))
  (fma (/ 1 2.0) (/ 1 y) (- (* (sqrt (/ 1 (* x 2.0))) (sqrt (/ 1 (* x 2.0))))))
  (fma (- (sqrt (/ 1 (* x 2.0)))) (sqrt (/ 1 (* x 2.0))) (* (sqrt (/ 1 (* x 2.0))) (sqrt (/ 1 (* x 2.0)))))
  (fma (/ 1 2.0) (/ 1 y) (- (* (/ (cbrt 1) 2.0) (/ (* (cbrt 1) (cbrt 1)) x))))
  (fma (- (/ (cbrt 1) 2.0)) (/ (* (cbrt 1) (cbrt 1)) x) (* (/ (cbrt 1) 2.0) (/ (* (cbrt 1) (cbrt 1)) x)))
  (fma (/ 1 2.0) (/ 1 y) (- (* (/ (sqrt 1) 2.0) (/ (sqrt 1) x))))
  (fma (- (/ (sqrt 1) 2.0)) (/ (sqrt 1) x) (* (/ (sqrt 1) 2.0) (/ (sqrt 1) x)))
  (fma (/ 1 2.0) (/ 1 y) (- (* (/ 1 2.0) (/ 1 x))))
  (fma (- (/ 1 2.0)) (/ 1 x) (* (/ 1 2.0) (/ 1 x)))
  (fma (/ 1 2.0) (/ 1 y) (- (* (/ 1 (* x 2.0)) 1)))
  (fma (- (/ 1 (* x 2.0))) 1 (* (/ 1 (* x 2.0)) 1))
  (fma (/ 1 2.0) (/ 1 y) (- (* (/ 1 (* x 2.0)) 1)))
  (fma (- (/ 1 (* x 2.0))) 1 (* (/ 1 (* x 2.0)) 1))
  (fma 1 (/ 1 (* 2.0 y)) (- (* (cbrt (/ 1 (* x 2.0))) (* (cbrt (/ 1 (* x 2.0))) (cbrt (/ 1 (* x 2.0)))))))
  (fma (- (cbrt (/ 1 (* x 2.0)))) (* (cbrt (/ 1 (* x 2.0))) (cbrt (/ 1 (* x 2.0)))) (* (cbrt (/ 1 (* x 2.0))) (* (cbrt (/ 1 (* x 2.0))) (cbrt (/ 1 (* x 2.0))))))
  (fma 1 (/ 1 (* 2.0 y)) (- (* (sqrt (/ 1 (* x 2.0))) (sqrt (/ 1 (* x 2.0))))))
  (fma (- (sqrt (/ 1 (* x 2.0)))) (sqrt (/ 1 (* x 2.0))) (* (sqrt (/ 1 (* x 2.0))) (sqrt (/ 1 (* x 2.0)))))
  (fma 1 (/ 1 (* 2.0 y)) (- (* (/ (cbrt 1) 2.0) (/ (* (cbrt 1) (cbrt 1)) x))))
  (fma (- (/ (cbrt 1) 2.0)) (/ (* (cbrt 1) (cbrt 1)) x) (* (/ (cbrt 1) 2.0) (/ (* (cbrt 1) (cbrt 1)) x)))
  (fma 1 (/ 1 (* 2.0 y)) (- (* (/ (sqrt 1) 2.0) (/ (sqrt 1) x))))
  (fma (- (/ (sqrt 1) 2.0)) (/ (sqrt 1) x) (* (/ (sqrt 1) 2.0) (/ (sqrt 1) x)))
  (fma 1 (/ 1 (* 2.0 y)) (- (* (/ 1 2.0) (/ 1 x))))
  (fma (- (/ 1 2.0)) (/ 1 x) (* (/ 1 2.0) (/ 1 x)))
  (fma 1 (/ 1 (* 2.0 y)) (- (* (/ 1 (* x 2.0)) 1)))
  (fma (- (/ 1 (* x 2.0))) 1 (* (/ 1 (* x 2.0)) 1))
  (fma 1 (/ 1 (* 2.0 y)) (- (* (/ 1 (* x 2.0)) 1)))
  (fma (- (/ 1 (* x 2.0))) 1 (* (/ 1 (* x 2.0)) 1))
  (fma 1 (/ 1 (* 2.0 y)) (- (* (cbrt (/ 1 (* x 2.0))) (* (cbrt (/ 1 (* x 2.0))) (cbrt (/ 1 (* x 2.0)))))))
  (fma (- (cbrt (/ 1 (* x 2.0)))) (* (cbrt (/ 1 (* x 2.0))) (cbrt (/ 1 (* x 2.0)))) (* (cbrt (/ 1 (* x 2.0))) (* (cbrt (/ 1 (* x 2.0))) (cbrt (/ 1 (* x 2.0))))))
  (fma 1 (/ 1 (* 2.0 y)) (- (* (sqrt (/ 1 (* x 2.0))) (sqrt (/ 1 (* x 2.0))))))
  (fma (- (sqrt (/ 1 (* x 2.0)))) (sqrt (/ 1 (* x 2.0))) (* (sqrt (/ 1 (* x 2.0))) (sqrt (/ 1 (* x 2.0)))))
  (fma 1 (/ 1 (* 2.0 y)) (- (* (/ (cbrt 1) 2.0) (/ (* (cbrt 1) (cbrt 1)) x))))
  (fma (- (/ (cbrt 1) 2.0)) (/ (* (cbrt 1) (cbrt 1)) x) (* (/ (cbrt 1) 2.0) (/ (* (cbrt 1) (cbrt 1)) x)))
  (fma 1 (/ 1 (* 2.0 y)) (- (* (/ (sqrt 1) 2.0) (/ (sqrt 1) x))))
  (fma (- (/ (sqrt 1) 2.0)) (/ (sqrt 1) x) (* (/ (sqrt 1) 2.0) (/ (sqrt 1) x)))
  (fma 1 (/ 1 (* 2.0 y)) (- (* (/ 1 2.0) (/ 1 x))))
  (fma (- (/ 1 2.0)) (/ 1 x) (* (/ 1 2.0) (/ 1 x)))
  (fma 1 (/ 1 (* 2.0 y)) (- (* (/ 1 (* x 2.0)) 1)))
  (fma (- (/ 1 (* x 2.0))) 1 (* (/ 1 (* x 2.0)) 1))
  (fma 1 (/ 1 (* 2.0 y)) (- (* (/ 1 (* x 2.0)) 1)))
  (fma (- (/ 1 (* x 2.0))) 1 (* (/ 1 (* x 2.0)) 1))
  (expm1 (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0))))
  (log1p (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0))))
  (- (/ 1 (* x 2.0)))
  (- (/ 1 (* x 2.0)))
  (- (/ 1 (* x 2.0)))
  (- (/ 1 (* x 2.0)))
  (- (/ 1 (* x 2.0)))
  (- (/ 1 (* x 2.0)))
  (- (/ 1 (* x 2.0)))
  (/ (exp (/ 1 (* 2.0 y))) (exp (/ 1 (* x 2.0))))
  (log (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0))))
  (exp (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0))))
  (* (cbrt (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))) (cbrt (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))))
  (cbrt (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0))))
  (* (* (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0))) (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))) (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0))))
  (sqrt (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0))))
  (sqrt (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0))))
  (- (* 1 (* x 2.0)) (* (* 2.0 y) 1))
  (* (* 2.0 y) (* x 2.0))
  (- (pow (/ 1 (* 2.0 y)) 3) (pow (/ 1 (* x 2.0)) 3))
  (+ (* (/ 1 (* 2.0 y)) (/ 1 (* 2.0 y))) (+ (* (/ 1 (* x 2.0)) (/ 1 (* x 2.0))) (* (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))))
  (- (/ 1 (* x 2.0)))
  (- (* (/ 1 (* 2.0 y)) (/ 1 (* 2.0 y))) (* (/ 1 (* x 2.0)) (/ 1 (* x 2.0))))
  (+ (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
  (+ (sqrt (/ 1 (* 2.0 y))) (sqrt (/ 1 (* x 2.0))))
  (- (sqrt (/ 1 (* 2.0 y))) (sqrt (/ 1 (* x 2.0))))
  (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
  (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
  (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
  (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
  (- (/ 1 (* x 2.0)))
  (- (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))
  (- (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))
  (- (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))
0.271 * * [simplify]: iteration  0 :  287  enodes  (cost  1302 )
0.277 * * [simplify]: iteration  1 :  991  enodes  (cost  733 )
0.298 * * [simplify]: iteration  2 :  5002  enodes  (cost  682 )
0.302 * [simplify]: Simplified to:
   (- (* (* (cbrt (/ 1 (* 2.0 y))) (cbrt (/ 1 (* 2.0 y)))) (cbrt (/ 1 (* 2.0 y)))) (/ 1 (* x 2.0)))
  (/ (+ (- 1) 1) (* x 2.0))
  (- (* (* (cbrt (/ 1 (* 2.0 y))) (cbrt (/ 1 (* 2.0 y)))) (cbrt (/ 1 (* 2.0 y)))) (/ 1 (* x 2.0)))
  (/ (+ (- 1) 1) (* x 2.0))
  (- (* (* (cbrt (/ 1 (* 2.0 y))) (cbrt (/ 1 (* 2.0 y)))) (cbrt (/ 1 (* 2.0 y)))) (/ 1 (* x 2.0)))
  (/ (+ (- 1) 1) (* x 2.0))
  (- (* (* (cbrt (/ 1 (* 2.0 y))) (cbrt (/ 1 (* 2.0 y)))) (cbrt (/ 1 (* 2.0 y)))) (/ 1 (* x 2.0)))
  (/ (+ (- 1) 1) (* x 2.0))
  (- (* (* (cbrt (/ 1 (* 2.0 y))) (cbrt (/ 1 (* 2.0 y)))) (cbrt (/ 1 (* 2.0 y)))) (/ 1 (* x 2.0)))
  (/ (+ (- 1) 1) (* x 2.0))
  (- (* (* (cbrt (/ 1 (* 2.0 y))) (cbrt (/ 1 (* 2.0 y)))) (cbrt (/ 1 (* 2.0 y)))) (/ 1 (* x 2.0)))
  (/ (+ (- 1) 1) (* x 2.0))
  (- (* (* (cbrt (/ 1 (* 2.0 y))) (cbrt (/ 1 (* 2.0 y)))) (cbrt (/ 1 (* 2.0 y)))) (/ 1 (* x 2.0)))
  (/ (+ (- 1) 1) (* x 2.0))
  (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
  (/ (+ (- 1) 1) (* x 2.0))
  (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
  (/ (+ (- 1) 1) (* x 2.0))
  (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
  (/ (+ (- 1) 1) (* x 2.0))
  (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
  (/ (+ (- 1) 1) (* x 2.0))
  (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
  (/ (+ (- 1) 1) (* x 2.0))
  (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
  (/ (+ (- 1) 1) (* x 2.0))
  (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
  (/ (+ (- 1) 1) (* x 2.0))
  (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
  (/ (+ (- 1) 1) (* x 2.0))
  (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
  (/ (+ (- 1) 1) (* x 2.0))
  (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
  (/ (+ (- 1) 1) (* x 2.0))
  (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
  (/ (+ (- 1) 1) (* x 2.0))
  (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
  (/ (+ (- 1) 1) (* x 2.0))
  (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
  (/ (+ (- 1) 1) (* x 2.0))
  (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
  (/ (+ (- 1) 1) (* x 2.0))
  (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
  (/ (+ (- 1) 1) (* x 2.0))
  (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
  (/ (+ (- 1) 1) (* x 2.0))
  (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
  (/ (+ (- 1) 1) (* x 2.0))
  (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
  (/ (+ (- 1) 1) (* x 2.0))
  (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
  (/ (+ (- 1) 1) (* x 2.0))
  (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
  (/ (+ (- 1) 1) (* x 2.0))
  (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
  (/ (+ (- 1) 1) (* x 2.0))
  (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
  (/ (+ (- 1) 1) (* x 2.0))
  (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
  (/ (+ (- 1) 1) (* x 2.0))
  (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
  (/ (+ (- 1) 1) (* x 2.0))
  (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
  (/ (+ (- 1) 1) (* x 2.0))
  (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
  (/ (+ (- 1) 1) (* x 2.0))
  (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
  (/ (+ (- 1) 1) (* x 2.0))
  (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
  (/ (+ (- 1) 1) (* x 2.0))
  (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
  (/ (+ (- 1) 1) (* x 2.0))
  (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
  (/ (+ (- 1) 1) (* x 2.0))
  (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
  (/ (+ (- 1) 1) (* x 2.0))
  (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
  (/ (+ (- 1) 1) (* x 2.0))
  (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
  (/ (+ (- 1) 1) (* x 2.0))
  (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
  (/ (+ (- 1) 1) (* x 2.0))
  (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
  (/ (+ (- 1) 1) (* x 2.0))
  (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
  (/ (+ (- 1) 1) (* x 2.0))
  (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
  (/ (+ (- 1) 1) (* x 2.0))
  (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
  (/ (+ (- 1) 1) (* x 2.0))
  (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
  (/ (+ (- 1) 1) (* x 2.0))
  (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
  (/ (+ (- 1) 1) (* x 2.0))
  (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
  (/ (+ (- 1) 1) (* x 2.0))
  (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
  (/ (+ (- 1) 1) (* x 2.0))
  (expm1 (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0))))
  (log1p (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0))))
  (- (/ 1 (* x 2.0)))
  (- (/ 1 (* x 2.0)))
  (- (/ 1 (* x 2.0)))
  (- (/ 1 (* x 2.0)))
  (- (/ 1 (* x 2.0)))
  (- (/ 1 (* x 2.0)))
  (- (/ 1 (* x 2.0)))
  (exp (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0))))
  (log (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0))))
  (exp (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0))))
  (* (cbrt (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))) (cbrt (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))))
  (cbrt (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0))))
  (pow (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0))) 3)
  (sqrt (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0))))
  (sqrt (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0))))
  (* 2.0 (- x y))
  (* (* 2.0 y) (* x 2.0))
  (- (pow (/ 1 (* 2.0 y)) 3) (pow (/ 1 (* x 2.0)) 3))
  (fma (+ (/ 1 (* 2.0 y)) (/ 1 (* x 2.0))) (/ 1 (* x 2.0)) (/ (/ 1 (* 2.0 y)) (* 2.0 y)))
  (- (/ 1 (* x 2.0)))
  (* (/ 1 2.0) (- (/ (/ 1 (* 2.0 y)) y) (/ (/ 1 (* x 2.0)) x)))
  (+ (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
  (+ (sqrt (/ 1 (* 2.0 y))) (sqrt (/ 1 (* x 2.0))))
  (- (sqrt (/ 1 (* 2.0 y))) (sqrt (/ 1 (* x 2.0))))
  (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
  (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
  (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
  (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
  (- (/ 1 (* x 2.0)))
  (* 0.5 (- (/ 1 y) (/ 1 x)))
  (* 0.5 (- (/ 1 y) (/ 1 x)))
  (* 0.5 (- (/ 1 y) (/ 1 x)))
0.303 * * * [progress]: adding candidates to table
0.363 * [progress]: [Phase 3 of 3] Extracting.
0.363 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0))))> #<alt (λ (x y) (/ (- x y) (* (* x 2.0) y)))>)
0.364 * * * [regime-changes]: Trying 3 branch expressions: ((/ (- x y) (* (* x 2.0) y)) y x)
0.364 * * * * [regimes]: Trying to branch on (/ (- x y) (* (* x 2.0) y)) from (#<alt (λ (x y) (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0))))> #<alt (λ (x y) (/ (- x y) (* (* x 2.0) y)))>)
0.374 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0))))> #<alt (λ (x y) (/ (- x y) (* (* x 2.0) y)))>)
0.389 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0))))> #<alt (λ (x y) (/ (- x y) (* (* x 2.0) y)))>)
0.400 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
0.401 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
0.401 * * [simplify]: iteration  0 :  13  enodes  (cost  5 )
0.402 * * [simplify]: iteration  1 :  13  enodes  (cost  5 )
0.402 * [simplify]: Simplified to:
   (- (/ 1 (* 2.0 y)) (/ 1 (* x 2.0)))
0.774 * [regime-testing]: Baseline error score: 0.01157456713348183
0.774 * [regime-testing]: Oracle error score: 0.007750968871108889
0.775 * [regime-testing]: End program error score: 0.01157456713348183
0.792 * [regime-testing]: Target error score: 0.01157456713348183