11.617 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.012 * * * [progress]: [2/2] Setting up program.
0.014 * [progress]: [Phase 2 of 3] Improving.
0.014 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ x (+ x y))
0.017 * * [simplify]: iteration  0 :  5  enodes  (cost  2 )
0.018 * * [simplify]: iteration  1 :  5  enodes  (cost  2 )
0.018 * [simplify]: Simplified to:
   (/ x (+ x y))
0.018 * * [progress]: iteration 1 / 4
0.018 * * * [progress]: picking best candidate
0.019 * * * * [pick]: Picked  #<alt (λ (x y) (/ x (+ x y)))>
0.020 * * * [progress]: localizing error
0.023 * * * [progress]: generating rewritten candidates
0.023 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.029 * * * [progress]: generating series expansions
0.029 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.029 * [approximate]: Taking taylor expansion of (/ x (+ x y)) in (x y) around 0
0.029 * [taylor]: Taking taylor expansion of (/ x (+ x y)) in y
0.029 * [taylor]: Taking taylor expansion of x in y
0.029 * [taylor]: Taking taylor expansion of (+ x y) in y
0.029 * [taylor]: Taking taylor expansion of x in y
0.029 * [taylor]: Taking taylor expansion of y in y
0.029 * [taylor]: Taking taylor expansion of (/ x (+ x y)) in x
0.029 * [taylor]: Taking taylor expansion of x in x
0.029 * [taylor]: Taking taylor expansion of (+ x y) in x
0.029 * [taylor]: Taking taylor expansion of x in x
0.029 * [taylor]: Taking taylor expansion of y in x
0.029 * [taylor]: Taking taylor expansion of (/ x (+ x y)) in x
0.029 * [taylor]: Taking taylor expansion of x in x
0.029 * [taylor]: Taking taylor expansion of (+ x y) in x
0.029 * [taylor]: Taking taylor expansion of x in x
0.030 * [taylor]: Taking taylor expansion of y in x
0.030 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.030 * [taylor]: Taking taylor expansion of y in y
0.031 * [taylor]: Taking taylor expansion of (neg (/ 1 (pow y 2))) in y
0.031 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.031 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.031 * [taylor]: Taking taylor expansion of y in y
0.035 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.035 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.035 * [taylor]: Taking taylor expansion of y in y
0.041 * [approximate]: Taking taylor expansion of (/ 1 (* x (+ (/ 1 y) (/ 1 x)))) in (x y) around 0
0.042 * [taylor]: Taking taylor expansion of (/ 1 (* x (+ (/ 1 y) (/ 1 x)))) in y
0.042 * [taylor]: Taking taylor expansion of (* x (+ (/ 1 y) (/ 1 x))) in y
0.042 * [taylor]: Taking taylor expansion of x in y
0.042 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.042 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.042 * [taylor]: Taking taylor expansion of y in y
0.042 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.042 * [taylor]: Taking taylor expansion of x in y
0.042 * [taylor]: Taking taylor expansion of (/ 1 (* x (+ (/ 1 y) (/ 1 x)))) in x
0.042 * [taylor]: Taking taylor expansion of (* x (+ (/ 1 y) (/ 1 x))) in x
0.042 * [taylor]: Taking taylor expansion of x in x
0.042 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.042 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.042 * [taylor]: Taking taylor expansion of y in x
0.042 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.042 * [taylor]: Taking taylor expansion of x in x
0.044 * [taylor]: Taking taylor expansion of (/ 1 (* x (+ (/ 1 y) (/ 1 x)))) in x
0.044 * [taylor]: Taking taylor expansion of (* x (+ (/ 1 y) (/ 1 x))) in x
0.044 * [taylor]: Taking taylor expansion of x in x
0.044 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.044 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.044 * [taylor]: Taking taylor expansion of y in x
0.044 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.044 * [taylor]: Taking taylor expansion of x in x
0.046 * [taylor]: Taking taylor expansion of 1 in y
0.047 * [taylor]: Taking taylor expansion of (neg (/ 1 y)) in y
0.047 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.047 * [taylor]: Taking taylor expansion of y in y
0.051 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.051 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.051 * [taylor]: Taking taylor expansion of y in y
0.055 * [approximate]: Taking taylor expansion of (/ 1 (* x (+ (/ 1 y) (/ 1 x)))) in (x y) around 0
0.055 * [taylor]: Taking taylor expansion of (/ 1 (* x (+ (/ 1 y) (/ 1 x)))) in y
0.055 * [taylor]: Taking taylor expansion of (* x (+ (/ 1 y) (/ 1 x))) in y
0.055 * [taylor]: Taking taylor expansion of x in y
0.055 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.055 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.055 * [taylor]: Taking taylor expansion of y in y
0.055 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.055 * [taylor]: Taking taylor expansion of x in y
0.056 * [taylor]: Taking taylor expansion of (/ 1 (* x (+ (/ 1 y) (/ 1 x)))) in x
0.056 * [taylor]: Taking taylor expansion of (* x (+ (/ 1 y) (/ 1 x))) in x
0.056 * [taylor]: Taking taylor expansion of x in x
0.056 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.056 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.056 * [taylor]: Taking taylor expansion of y in x
0.056 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.056 * [taylor]: Taking taylor expansion of x in x
0.058 * [taylor]: Taking taylor expansion of (/ 1 (* x (+ (/ 1 y) (/ 1 x)))) in x
0.058 * [taylor]: Taking taylor expansion of (* x (+ (/ 1 y) (/ 1 x))) in x
0.058 * [taylor]: Taking taylor expansion of x in x
0.058 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.058 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.058 * [taylor]: Taking taylor expansion of y in x
0.058 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.058 * [taylor]: Taking taylor expansion of x in x
0.060 * [taylor]: Taking taylor expansion of 1 in y
0.061 * [taylor]: Taking taylor expansion of (neg (/ 1 y)) in y
0.061 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.061 * [taylor]: Taking taylor expansion of y in y
0.065 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.065 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.065 * [taylor]: Taking taylor expansion of y in y
0.069 * * * [progress]: simplifying candidates
0.070 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (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
0.073 * * [simplify]: iteration  0 :  118  enodes  (cost  153 )
0.076 * * [simplify]: iteration  1 :  378  enodes  (cost  144 )
0.081 * * [simplify]: iteration  2 :  1010  enodes  (cost  144 )
0.099 * * [simplify]: iteration  3 :  3606  enodes  (cost  144 )
0.146 * * [simplify]: iteration  4 :  5001  enodes  (cost  144 )
0.148 * [simplify]: Simplified to:
   (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
0.148 * * * [progress]: adding candidates to table
0.193 * * [progress]: iteration 2 / 4
0.193 * * * [progress]: picking best candidate
0.194 * * * * [pick]: Picked  #<alt (λ (x y) (/ 1 (/ (+ x y) x)))>
0.194 * * * [progress]: localizing error
0.198 * * * [progress]: generating rewritten candidates
0.198 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.206 * * * * [progress]: [ 2 / 2 ] rewriting at (2 2)
0.217 * * * [progress]: generating series expansions
0.217 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.217 * [approximate]: Taking taylor expansion of (/ x (+ x y)) in (x y) around 0
0.217 * [taylor]: Taking taylor expansion of (/ x (+ x y)) in y
0.217 * [taylor]: Taking taylor expansion of x in y
0.217 * [taylor]: Taking taylor expansion of (+ x y) in y
0.217 * [taylor]: Taking taylor expansion of x in y
0.217 * [taylor]: Taking taylor expansion of y in y
0.217 * [taylor]: Taking taylor expansion of (/ x (+ x y)) in x
0.217 * [taylor]: Taking taylor expansion of x in x
0.217 * [taylor]: Taking taylor expansion of (+ x y) in x
0.217 * [taylor]: Taking taylor expansion of x in x
0.217 * [taylor]: Taking taylor expansion of y in x
0.217 * [taylor]: Taking taylor expansion of (/ x (+ x y)) in x
0.218 * [taylor]: Taking taylor expansion of x in x
0.218 * [taylor]: Taking taylor expansion of (+ x y) in x
0.218 * [taylor]: Taking taylor expansion of x in x
0.218 * [taylor]: Taking taylor expansion of y in x
0.218 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.218 * [taylor]: Taking taylor expansion of y in y
0.219 * [taylor]: Taking taylor expansion of (neg (/ 1 (pow y 2))) in y
0.219 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.219 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.219 * [taylor]: Taking taylor expansion of y in y
0.222 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.223 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.223 * [taylor]: Taking taylor expansion of y in y
0.229 * [approximate]: Taking taylor expansion of (/ 1 (* (+ (/ 1 y) (/ 1 x)) x)) in (x y) around 0
0.229 * [taylor]: Taking taylor expansion of (/ 1 (* (+ (/ 1 y) (/ 1 x)) x)) in y
0.229 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) x) in y
0.229 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.229 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.229 * [taylor]: Taking taylor expansion of y in y
0.230 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.230 * [taylor]: Taking taylor expansion of x in y
0.230 * [taylor]: Taking taylor expansion of x in y
0.230 * [taylor]: Taking taylor expansion of (/ 1 (* (+ (/ 1 y) (/ 1 x)) x)) in x
0.230 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) x) in x
0.230 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.230 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.230 * [taylor]: Taking taylor expansion of y in x
0.230 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.230 * [taylor]: Taking taylor expansion of x in x
0.231 * [taylor]: Taking taylor expansion of x in x
0.232 * [taylor]: Taking taylor expansion of (/ 1 (* (+ (/ 1 y) (/ 1 x)) x)) in x
0.232 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) x) in x
0.232 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.232 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.232 * [taylor]: Taking taylor expansion of y in x
0.232 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.232 * [taylor]: Taking taylor expansion of x in x
0.232 * [taylor]: Taking taylor expansion of x in x
0.237 * [taylor]: Taking taylor expansion of 1 in y
0.239 * [taylor]: Taking taylor expansion of (neg (/ 1 y)) in y
0.239 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.239 * [taylor]: Taking taylor expansion of y in y
0.242 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.242 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.242 * [taylor]: Taking taylor expansion of y in y
0.246 * [approximate]: Taking taylor expansion of (/ 1 (* (+ (/ 1 y) (/ 1 x)) x)) in (x y) around 0
0.246 * [taylor]: Taking taylor expansion of (/ 1 (* (+ (/ 1 y) (/ 1 x)) x)) in y
0.246 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) x) in y
0.246 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.246 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.246 * [taylor]: Taking taylor expansion of y in y
0.247 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.247 * [taylor]: Taking taylor expansion of x in y
0.247 * [taylor]: Taking taylor expansion of x in y
0.247 * [taylor]: Taking taylor expansion of (/ 1 (* (+ (/ 1 y) (/ 1 x)) x)) in x
0.247 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) x) in x
0.247 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.247 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.247 * [taylor]: Taking taylor expansion of y in x
0.247 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.247 * [taylor]: Taking taylor expansion of x in x
0.247 * [taylor]: Taking taylor expansion of x in x
0.249 * [taylor]: Taking taylor expansion of (/ 1 (* (+ (/ 1 y) (/ 1 x)) x)) in x
0.249 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) x) in x
0.249 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.249 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.249 * [taylor]: Taking taylor expansion of y in x
0.249 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.249 * [taylor]: Taking taylor expansion of x in x
0.250 * [taylor]: Taking taylor expansion of x in x
0.251 * [taylor]: Taking taylor expansion of 1 in y
0.252 * [taylor]: Taking taylor expansion of (neg (/ 1 y)) in y
0.253 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.253 * [taylor]: Taking taylor expansion of y in y
0.256 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.256 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.256 * [taylor]: Taking taylor expansion of y in y
0.260 * * * * [progress]: [ 2 / 2 ] generating series at (2 2)
0.260 * [approximate]: Taking taylor expansion of (/ (+ x y) x) in (x y) around 0
0.260 * [taylor]: Taking taylor expansion of (/ (+ x y) x) in y
0.260 * [taylor]: Taking taylor expansion of (+ x y) in y
0.260 * [taylor]: Taking taylor expansion of x in y
0.260 * [taylor]: Taking taylor expansion of y in y
0.260 * [taylor]: Taking taylor expansion of x in y
0.260 * [taylor]: Taking taylor expansion of (/ (+ x y) x) in x
0.260 * [taylor]: Taking taylor expansion of (+ x y) in x
0.260 * [taylor]: Taking taylor expansion of x in x
0.260 * [taylor]: Taking taylor expansion of y in x
0.260 * [taylor]: Taking taylor expansion of x in x
0.260 * [taylor]: Taking taylor expansion of (/ (+ x y) x) in x
0.260 * [taylor]: Taking taylor expansion of (+ x y) in x
0.260 * [taylor]: Taking taylor expansion of x in x
0.260 * [taylor]: Taking taylor expansion of y in x
0.261 * [taylor]: Taking taylor expansion of x in x
0.261 * [taylor]: Taking taylor expansion of y in y
0.261 * [taylor]: Taking taylor expansion of 1 in y
0.263 * [taylor]: Taking taylor expansion of 0 in y
0.264 * [taylor]: Taking taylor expansion of 0 in y
0.264 * [approximate]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) x) in (x y) around 0
0.264 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) x) in y
0.264 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.264 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.264 * [taylor]: Taking taylor expansion of y in y
0.265 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.265 * [taylor]: Taking taylor expansion of x in y
0.265 * [taylor]: Taking taylor expansion of x in y
0.265 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) x) in x
0.265 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.265 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.265 * [taylor]: Taking taylor expansion of y in x
0.265 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.265 * [taylor]: Taking taylor expansion of x in x
0.265 * [taylor]: Taking taylor expansion of x in x
0.265 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) x) in x
0.265 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.265 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.265 * [taylor]: Taking taylor expansion of y in x
0.265 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.265 * [taylor]: Taking taylor expansion of x in x
0.265 * [taylor]: Taking taylor expansion of x in x
0.266 * [taylor]: Taking taylor expansion of 0 in y
0.267 * [taylor]: Taking taylor expansion of 1 in y
0.268 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.268 * [taylor]: Taking taylor expansion of y in y
0.270 * [taylor]: Taking taylor expansion of 0 in y
0.272 * [taylor]: Taking taylor expansion of 0 in y
0.273 * [approximate]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) x) in (x y) around 0
0.273 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) x) in y
0.273 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.273 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.273 * [taylor]: Taking taylor expansion of y in y
0.273 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.273 * [taylor]: Taking taylor expansion of x in y
0.273 * [taylor]: Taking taylor expansion of x in y
0.273 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) x) in x
0.273 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.273 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.273 * [taylor]: Taking taylor expansion of y in x
0.273 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.273 * [taylor]: Taking taylor expansion of x in x
0.274 * [taylor]: Taking taylor expansion of x in x
0.274 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) x) in x
0.274 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.274 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.274 * [taylor]: Taking taylor expansion of y in x
0.274 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.274 * [taylor]: Taking taylor expansion of x in x
0.274 * [taylor]: Taking taylor expansion of x in x
0.274 * [taylor]: Taking taylor expansion of 0 in y
0.275 * [taylor]: Taking taylor expansion of 1 in y
0.277 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.277 * [taylor]: Taking taylor expansion of y in y
0.278 * [taylor]: Taking taylor expansion of 0 in y
0.280 * [taylor]: Taking taylor expansion of 0 in y
0.281 * * * [progress]: simplifying candidates
0.283 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (neg 1)
  (neg (- (log (+ x y)) (log x)))
  (neg (log (/ (+ x y) x)))
  (- 0 (- (log (+ x y)) (log x)))
  (- 0 (log (/ (+ x y) x)))
  (- (log 1) (- (log (+ x y)) (log x)))
  (- (log 1) (log (/ (+ x y) x)))
  (log (/ 1 (/ (+ x y) x)))
  (exp (/ 1 (/ (+ x y) x)))
  (/ (* (* 1 1) 1) (/ (* (* (+ x y) (+ x y)) (+ x y)) (* (* x x) x)))
  (/ (* (* 1 1) 1) (* (* (/ (+ x y) x) (/ (+ x y) x)) (/ (+ x y) x)))
  (* (cbrt (/ 1 (/ (+ x y) x))) (cbrt (/ 1 (/ (+ x y) x))))
  (cbrt (/ 1 (/ (+ x y) x)))
  (* (* (/ 1 (/ (+ x y) x)) (/ 1 (/ (+ x y) x))) (/ 1 (/ (+ x y) x)))
  (sqrt (/ 1 (/ (+ x y) x)))
  (sqrt (/ 1 (/ (+ x y) x)))
  (neg 1)
  (neg (/ (+ x y) x))
  (/ (* (cbrt 1) (cbrt 1)) (* (cbrt (/ (+ x y) x)) (cbrt (/ (+ x y) x))))
  (/ (cbrt 1) (cbrt (/ (+ x y) x)))
  (/ (* (cbrt 1) (cbrt 1)) (sqrt (/ (+ x y) x)))
  (/ (cbrt 1) (sqrt (/ (+ x y) x)))
  (/ (* (cbrt 1) (cbrt 1)) (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (* (cbrt x) (cbrt x))))
  (/ (cbrt 1) (/ (cbrt (+ x y)) (cbrt x)))
  (/ (* (cbrt 1) (cbrt 1)) (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (sqrt x)))
  (/ (cbrt 1) (/ (cbrt (+ x y)) (sqrt x)))
  (/ (* (cbrt 1) (cbrt 1)) (/ (* (cbrt (+ x y)) (cbrt (+ x y))) 1))
  (/ (cbrt 1) (/ (cbrt (+ x y)) x))
  (/ (* (cbrt 1) (cbrt 1)) (/ (sqrt (+ x y)) (* (cbrt x) (cbrt x))))
  (/ (cbrt 1) (/ (sqrt (+ x y)) (cbrt x)))
  (/ (* (cbrt 1) (cbrt 1)) (/ (sqrt (+ x y)) (sqrt x)))
  (/ (cbrt 1) (/ (sqrt (+ x y)) (sqrt x)))
  (/ (* (cbrt 1) (cbrt 1)) (/ (sqrt (+ x y)) 1))
  (/ (cbrt 1) (/ (sqrt (+ x y)) x))
  (/ (* (cbrt 1) (cbrt 1)) (/ 1 (* (cbrt x) (cbrt x))))
  (/ (cbrt 1) (/ (+ x y) (cbrt x)))
  (/ (* (cbrt 1) (cbrt 1)) (/ 1 (sqrt x)))
  (/ (cbrt 1) (/ (+ x y) (sqrt x)))
  (/ (* (cbrt 1) (cbrt 1)) (/ 1 1))
  (/ (cbrt 1) (/ (+ x y) x))
  (/ (* (cbrt 1) (cbrt 1)) (/ 1 (* (cbrt x) (cbrt x))))
  (/ (cbrt 1) (/ (+ x y) (cbrt x)))
  (/ (* (cbrt 1) (cbrt 1)) (/ 1 (sqrt x)))
  (/ (cbrt 1) (/ (+ x y) (sqrt x)))
  (/ (* (cbrt 1) (cbrt 1)) (/ 1 1))
  (/ (cbrt 1) (/ (+ x y) x))
  (/ (* (cbrt 1) (cbrt 1)) 1)
  (/ (cbrt 1) (/ (+ x y) x))
  (/ (* (cbrt 1) (cbrt 1)) (+ x y))
  (/ (cbrt 1) (/ 1 x))
  (/ (sqrt 1) (* (cbrt (/ (+ x y) x)) (cbrt (/ (+ x y) x))))
  (/ (sqrt 1) (cbrt (/ (+ x y) x)))
  (/ (sqrt 1) (sqrt (/ (+ x y) x)))
  (/ (sqrt 1) (sqrt (/ (+ x y) x)))
  (/ (sqrt 1) (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (* (cbrt x) (cbrt x))))
  (/ (sqrt 1) (/ (cbrt (+ x y)) (cbrt x)))
  (/ (sqrt 1) (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (sqrt x)))
  (/ (sqrt 1) (/ (cbrt (+ x y)) (sqrt x)))
  (/ (sqrt 1) (/ (* (cbrt (+ x y)) (cbrt (+ x y))) 1))
  (/ (sqrt 1) (/ (cbrt (+ x y)) x))
  (/ (sqrt 1) (/ (sqrt (+ x y)) (* (cbrt x) (cbrt x))))
  (/ (sqrt 1) (/ (sqrt (+ x y)) (cbrt x)))
  (/ (sqrt 1) (/ (sqrt (+ x y)) (sqrt x)))
  (/ (sqrt 1) (/ (sqrt (+ x y)) (sqrt x)))
  (/ (sqrt 1) (/ (sqrt (+ x y)) 1))
  (/ (sqrt 1) (/ (sqrt (+ x y)) x))
  (/ (sqrt 1) (/ 1 (* (cbrt x) (cbrt x))))
  (/ (sqrt 1) (/ (+ x y) (cbrt x)))
  (/ (sqrt 1) (/ 1 (sqrt x)))
  (/ (sqrt 1) (/ (+ x y) (sqrt x)))
  (/ (sqrt 1) (/ 1 1))
  (/ (sqrt 1) (/ (+ x y) x))
  (/ (sqrt 1) (/ 1 (* (cbrt x) (cbrt x))))
  (/ (sqrt 1) (/ (+ x y) (cbrt x)))
  (/ (sqrt 1) (/ 1 (sqrt x)))
  (/ (sqrt 1) (/ (+ x y) (sqrt x)))
  (/ (sqrt 1) (/ 1 1))
  (/ (sqrt 1) (/ (+ x y) x))
  (/ (sqrt 1) 1)
  (/ (sqrt 1) (/ (+ x y) x))
  (/ (sqrt 1) (+ x y))
  (/ (sqrt 1) (/ 1 x))
  (/ 1 (* (cbrt (/ (+ x y) x)) (cbrt (/ (+ x y) x))))
  (/ 1 (cbrt (/ (+ x y) x)))
  (/ 1 (sqrt (/ (+ x y) x)))
  (/ 1 (sqrt (/ (+ x y) x)))
  (/ 1 (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (* (cbrt x) (cbrt x))))
  (/ 1 (/ (cbrt (+ x y)) (cbrt x)))
  (/ 1 (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (sqrt x)))
  (/ 1 (/ (cbrt (+ x y)) (sqrt x)))
  (/ 1 (/ (* (cbrt (+ x y)) (cbrt (+ x y))) 1))
  (/ 1 (/ (cbrt (+ x y)) x))
  (/ 1 (/ (sqrt (+ x y)) (* (cbrt x) (cbrt x))))
  (/ 1 (/ (sqrt (+ x y)) (cbrt x)))
  (/ 1 (/ (sqrt (+ x y)) (sqrt x)))
  (/ 1 (/ (sqrt (+ x y)) (sqrt x)))
  (/ 1 (/ (sqrt (+ x y)) 1))
  (/ 1 (/ (sqrt (+ x y)) x))
  (/ 1 (/ 1 (* (cbrt x) (cbrt x))))
  (/ 1 (/ (+ x y) (cbrt x)))
  (/ 1 (/ 1 (sqrt x)))
  (/ 1 (/ (+ x y) (sqrt x)))
  (/ 1 (/ 1 1))
  (/ 1 (/ (+ x y) x))
  (/ 1 (/ 1 (* (cbrt x) (cbrt x))))
  (/ 1 (/ (+ x y) (cbrt x)))
  (/ 1 (/ 1 (sqrt x)))
  (/ 1 (/ (+ x y) (sqrt x)))
  (/ 1 (/ 1 1))
  (/ 1 (/ (+ x y) x))
  (/ 1 1)
  (/ 1 (/ (+ x y) x))
  (/ 1 (+ x y))
  (/ 1 (/ 1 x))
  (/ 1 (/ (+ x y) x))
  (/ (/ (+ x y) x) 1)
  (/ 1 (* (cbrt (/ (+ x y) x)) (cbrt (/ (+ x y) x))))
  (/ 1 (sqrt (/ (+ x y) x)))
  (/ 1 (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (* (cbrt x) (cbrt x))))
  (/ 1 (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (sqrt x)))
  (/ 1 (/ (* (cbrt (+ x y)) (cbrt (+ x y))) 1))
  (/ 1 (/ (sqrt (+ x y)) (* (cbrt x) (cbrt x))))
  (/ 1 (/ (sqrt (+ x y)) (sqrt x)))
  (/ 1 (/ (sqrt (+ x y)) 1))
  (/ 1 (/ 1 (* (cbrt x) (cbrt x))))
  (/ 1 (/ 1 (sqrt x)))
  (/ 1 (/ 1 1))
  (/ 1 (/ 1 (* (cbrt x) (cbrt x))))
  (/ 1 (/ 1 (sqrt x)))
  (/ 1 (/ 1 1))
  (/ 1 1)
  (/ 1 (+ x y))
  (/ (/ (+ x y) x) (cbrt 1))
  (/ (/ (+ x y) x) (sqrt 1))
  (/ (/ (+ x y) x) 1)
  (/ 1 (+ x y))
  (- (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
  0
  0
  (+ (/ y x) 1)
  (+ (/ y x) 1)
  (+ (/ y x) 1)
0.290 * * [simplify]: iteration  0 :  346  enodes  (cost  798 )
0.297 * * [simplify]: iteration  1 :  1531  enodes  (cost  700 )
0.320 * * [simplify]: iteration  2 :  5001  enodes  (cost  610 )
0.324 * [simplify]: Simplified to:
   -1
  (log (/ 1 (/ (+ x y) x)))
  (log (/ 1 (/ (+ x y) x)))
  (log (/ 1 (/ (+ x y) x)))
  (log (/ 1 (/ (+ x y) x)))
  (log (/ 1 (/ (+ x y) x)))
  (log (/ 1 (/ (+ x y) x)))
  (log (/ 1 (/ (+ x y) x)))
  (exp (/ 1 (/ (+ x y) x)))
  (/ 1 (pow (/ (+ x y) x) 3))
  (/ 1 (pow (/ (+ x y) x) 3))
  (* (cbrt (/ 1 (/ (+ x y) x))) (cbrt (/ 1 (/ (+ x y) x))))
  (cbrt (/ 1 (/ (+ x y) x)))
  (/ 1 (pow (/ (+ x y) x) 3))
  (sqrt (/ 1 (/ (+ x y) x)))
  (sqrt (/ 1 (/ (+ x y) x)))
  -1
  (neg (/ (+ x y) x))
  (/ (/ 1 (cbrt (/ (+ x y) x))) (cbrt (/ (+ x y) x)))
  (/ 1 (cbrt (/ (+ x y) x)))
  (/ 1 (sqrt (/ (+ x y) x)))
  (/ 1 (sqrt (/ (+ x y) x)))
  (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (cbrt x) (cbrt (+ x y)))
  (/ (sqrt x) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (sqrt x) (cbrt (+ x y)))
  (/ 1 (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ x (cbrt (+ 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 (sqrt (+ x y)))
  (* (cbrt x) (cbrt x))
  (/ 1 (/ (+ x y) (cbrt x)))
  (sqrt x)
  (/ (sqrt x) (+ x y))
  1
  (/ x (+ x y))
  (* (cbrt x) (cbrt x))
  (/ 1 (/ (+ x y) (cbrt x)))
  (sqrt x)
  (/ (sqrt x) (+ x y))
  1
  (/ x (+ x y))
  1
  (/ x (+ x y))
  (/ 1 (+ x y))
  x
  (/ (/ 1 (cbrt (/ (+ x y) x))) (cbrt (/ (+ x y) x)))
  (/ 1 (cbrt (/ (+ x y) x)))
  (/ 1 (sqrt (/ (+ x y) x)))
  (/ 1 (sqrt (/ (+ x y) x)))
  (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (cbrt x) (cbrt (+ x y)))
  (/ (sqrt x) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (sqrt x) (cbrt (+ x y)))
  (/ 1 (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ x (cbrt (+ 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 (sqrt (+ x y)))
  (* (cbrt x) (cbrt x))
  (/ 1 (/ (+ x y) (cbrt x)))
  (sqrt x)
  (/ (sqrt x) (+ x y))
  1
  (/ x (+ x y))
  (* (cbrt x) (cbrt x))
  (/ 1 (/ (+ x y) (cbrt x)))
  (sqrt x)
  (/ (sqrt x) (+ x y))
  1
  (/ x (+ x y))
  1
  (/ x (+ x y))
  (/ 1 (+ x y))
  x
  (/ (/ 1 (cbrt (/ (+ x y) x))) (cbrt (/ (+ x y) x)))
  (/ 1 (cbrt (/ (+ x y) x)))
  (/ 1 (sqrt (/ (+ x y) x)))
  (/ 1 (sqrt (/ (+ x y) x)))
  (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (cbrt x) (cbrt (+ x y)))
  (/ (sqrt x) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (sqrt x) (cbrt (+ x y)))
  (/ 1 (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ x (cbrt (+ 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 (sqrt (+ x y)))
  (* (cbrt x) (cbrt x))
  (/ 1 (/ (+ x y) (cbrt x)))
  (sqrt x)
  (/ (sqrt x) (+ x y))
  1
  (/ x (+ x y))
  (* (cbrt x) (cbrt x))
  (/ 1 (/ (+ x y) (cbrt x)))
  (sqrt x)
  (/ (sqrt x) (+ x y))
  1
  (/ x (+ x y))
  1
  (/ x (+ x y))
  (/ 1 (+ x y))
  x
  (/ x (+ x y))
  (/ (+ x y) x)
  (/ (/ 1 (cbrt (/ (+ x y) x))) (cbrt (/ (+ x y) x)))
  (/ 1 (sqrt (/ (+ x y) x)))
  (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (sqrt x) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ 1 (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (* (cbrt x) (cbrt x)) (sqrt (+ x y)))
  (/ (sqrt x) (sqrt (+ x y)))
  (/ 1 (sqrt (+ x y)))
  (* (cbrt x) (cbrt x))
  (sqrt x)
  1
  (* (cbrt x) (cbrt x))
  (sqrt x)
  1
  1
  (/ 1 (+ x y))
  (/ (+ x y) x)
  (/ (+ x y) x)
  (/ (+ x y) x)
  (/ 1 (+ x y))
  (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))
  (* (+ (* y (- y x)) (* x x)) x)
  (* x (- x y))
  0
  0
  0
  (+ (/ y x) 1)
  (+ (/ y x) 1)
  (+ (/ y x) 1)
0.325 * * * [progress]: adding candidates to table
0.430 * [progress]: [Phase 3 of 3] Extracting.
0.430 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (/ x (+ x y)))> #<alt (λ (x y) (/ 1 (/ (+ x y) x)))>)
0.430 * * * [regime-changes]: Trying 3 branch expressions: ((/ x (+ x y)) y x)
0.430 * * * * [regimes]: Trying to branch on (/ x (+ x y)) from (#<alt (λ (x y) (/ x (+ x y)))> #<alt (λ (x y) (/ 1 (/ (+ x y) x)))>)
0.439 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (/ x (+ x y)))> #<alt (λ (x y) (/ 1 (/ (+ x y) x)))>)
0.448 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (/ x (+ x y)))> #<alt (λ (x y) (/ 1 (/ (+ x y) x)))>)
0.461 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
0.461 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ x (+ x y))
0.462 * * [simplify]: iteration  0 :  5  enodes  (cost  2 )
0.462 * * [simplify]: iteration  1 :  5  enodes  (cost  2 )
0.462 * [simplify]: Simplified to:
   (/ x (+ x y))
0.778 * [regime-testing]: Baseline error score: 0.013126640830103764
0.778 * [regime-testing]: Oracle error score: 0.008876109513689211
0.779 * [regime-testing]: End program error score: 0.013126640830103764