21.518 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.013 * * * [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 y))
0.018 * * [simplify]: iteration  0 :  11  enodes  (cost  3 )
0.019 * * [simplify]: iteration  1 :  14  enodes  (cost  3 )
0.020 * * [simplify]: iteration  2 :  16  enodes  (cost  3 )
0.021 * * [simplify]: iteration  3 :  16  enodes  (cost  3 )
0.021 * [simplify]: Simplified to:
  (/ (- x y) (+ x y))
0.021 * * [progress]: iteration 1 / 4
0.021 * * * [progress]: picking best candidate
0.024 * * * * [pick]: Picked  #<alt (λ (x y) (/ (- x y) (+ x y)))>
0.024 * * * [progress]: localizing error
0.028 * * * [progress]: generating rewritten candidates
0.028 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.041 * * * [progress]: generating series expansions
0.041 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.041 * [approximate]: Approximating (/ (- x y) (+ x y)) in (x y) around 0
0.042 * [taylor]: Taking taylor expansion of (/ (- x y) (+ x y)) in y
0.043 * [taylor]: Taking taylor expansion of (/ (- x y) (+ x y)) in y
0.046 * [taylor]: Taking taylor expansion of (/ (- x y) (+ x y)) in y
0.052 * [taylor]: Taking taylor expansion of (/ (- x y) (+ x y)) in y
0.059 * [approximate]: Approximating (/ (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) in (x y) around 0
0.065 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) in y
0.066 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) in y
0.071 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) in y
0.079 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) in y
0.086 * [approximate]: Approximating (* -1 (/ (- (/ 1 y) (/ 1 x)) (+ (/ 1 y) (/ 1 x)))) in (x y) around 0
0.092 * [taylor]: Taking taylor expansion of (* -1 (/ (- (/ 1 y) (/ 1 x)) (+ (/ 1 y) (/ 1 x)))) in y
0.094 * [taylor]: Taking taylor expansion of (* -1 (/ (- (/ 1 y) (/ 1 x)) (+ (/ 1 y) (/ 1 x)))) in y
0.100 * [taylor]: Taking taylor expansion of (* -1 (/ (- (/ 1 y) (/ 1 x)) (+ (/ 1 y) (/ 1 x)))) in y
0.112 * [taylor]: Taking taylor expansion of (* -1 (/ (- (/ 1 y) (/ 1 x)) (+ (/ 1 y) (/ 1 x)))) in y
0.119 * * * [progress]: simplifying candidates
0.119 * [simplify]: Simplifying using #<procedure:simplify-batch-egg> :
  (- (log (- x y)) (log (+ x y)))
  (log (/ (- x y) (+ x y)))
  (exp (/ (- x y) (+ x y)))
  (/ (* (* (- x y) (- x y)) (- x y)) (* (* (+ x y) (+ x y)) (+ x y)))
  (* (cbrt (/ (- x y) (+ x y))) (cbrt (/ (- x y) (+ x y))))
  (cbrt (/ (- x y) (+ x y)))
  (* (* (/ (- x y) (+ x y)) (/ (- x y) (+ x y))) (/ (- x y) (+ x y)))
  (sqrt (/ (- x y) (+ x y)))
  (sqrt (/ (- x y) (+ x y)))
  (neg (- x y))
  (neg (+ x y))
  (/ x (+ x y))
  (/ y (+ x y))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (cbrt (- x y)) (cbrt (+ x y)))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (sqrt (+ x y)))
  (/ (cbrt (- x y)) (sqrt (+ x y)))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) 1)
  (/ (cbrt (- x y)) (+ x y))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) 1)
  (/ (cbrt (- x y)) (+ x y))
  (/ (sqrt (- x y)) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (sqrt (- x y)) (cbrt (+ x y)))
  (/ (sqrt (- x y)) (sqrt (+ x y)))
  (/ (sqrt (- x y)) (sqrt (+ x y)))
  (/ (sqrt (- x y)) 1)
  (/ (sqrt (- x y)) (+ x y))
  (/ (sqrt (- x y)) 1)
  (/ (sqrt (- x y)) (+ x y))
  (/ 1 (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (- x y) (cbrt (+ x y)))
  (/ 1 (sqrt (+ x y)))
  (/ (- x y) (sqrt (+ x y)))
  (/ 1 1)
  (/ (- x y) (+ x y))
  (/ 1 1)
  (/ (- x y) (+ x y))
  (/ (+ (sqrt x) (sqrt y)) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (- (sqrt x) (sqrt y)) (cbrt (+ x y)))
  (/ (+ (sqrt x) (sqrt y)) (sqrt (+ x y)))
  (/ (- (sqrt x) (sqrt y)) (sqrt (+ x y)))
  (/ (+ (sqrt x) (sqrt y)) 1)
  (/ (- (sqrt x) (sqrt y)) (+ x y))
  (/ (+ (sqrt x) (sqrt y)) 1)
  (/ (- (sqrt x) (sqrt y)) (+ x y))
  (/ 1 (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (- x y) (cbrt (+ x y)))
  (/ 1 (sqrt (+ x y)))
  (/ (- x y) (sqrt (+ x y)))
  (/ 1 1)
  (/ (- x y) (+ x y))
  (/ 1 1)
  (/ (- x y) (+ x y))
  (/ 1 (+ x y))
  (/ (+ x y) (- x y))
  (/ (- x y) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (- x y) (sqrt (+ x y)))
  (/ (- x y) 1)
  (/ (- x y) 1)
  (/ (+ x y) (cbrt (- x y)))
  (/ (+ x y) (sqrt (- x y)))
  (/ (+ x y) (- x y))
  (/ (+ x y) (- (sqrt x) (sqrt y)))
  (/ (+ x y) (- x y))
  (/ (- x y) (+ (pow x 3) (pow y 3)))
  (/ (- x y) (- (* x x) (* y y)))
  (* (+ x y) (+ (* x x) (+ (* y y) (* x y))))
  (* (+ x y) (+ x y))
  -1
  1
  1
0.123 * * [simplify]: iteration  0 :  187  enodes  (cost  290 )
0.127 * * [simplify]: iteration  1 :  526  enodes  (cost  276 )
0.134 * * [simplify]: iteration  2 :  1757  enodes  (cost  276 )
0.161 * * [simplify]: iteration  3 :  5002  enodes  (cost  273 )
0.163 * [simplify]: Simplified to:
  (log (/ (- x y) (+ x y)))
  (log (/ (- x y) (+ x y)))
  (exp (/ (- x y) (+ x y)))
  (pow (/ (- x y) (+ x y)) 3)
  (* (cbrt (/ (- x y) (+ x y))) (cbrt (/ (- x y) (+ x y))))
  (cbrt (/ (- x y) (+ x y)))
  (pow (/ (- x y) (+ x y)) 3)
  (sqrt (/ (- x y) (+ x y)))
  (sqrt (/ (- x y) (+ x y)))
  (neg (- x y))
  (neg (+ x y))
  (/ x (+ x y))
  (/ y (+ x y))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (cbrt (- x y)) (cbrt (+ x y)))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (sqrt (+ x y)))
  (/ (cbrt (- x y)) (sqrt (+ x y)))
  (* (cbrt (- x y)) (cbrt (- x y)))
  (/ (cbrt (- x y)) (+ x y))
  (* (cbrt (- x y)) (cbrt (- x y)))
  (/ (cbrt (- x y)) (+ x y))
  (/ (sqrt (- x y)) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (sqrt (- x y)) (cbrt (+ x y)))
  (/ (sqrt (- x y)) (sqrt (+ x y)))
  (/ (sqrt (- x y)) (sqrt (+ x y)))
  (sqrt (- x y))
  (/ (sqrt (- x y)) (+ x y))
  (sqrt (- x y))
  (/ (sqrt (- x y)) (+ x y))
  (/ 1 (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (- x y) (cbrt (+ x y)))
  (/ 1 (sqrt (+ x y)))
  (/ (- x y) (sqrt (+ x y)))
  1
  (/ (- x y) (+ x y))
  1
  (/ (- x y) (+ x y))
  (/ (+ (sqrt x) (sqrt y)) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (- (sqrt x) (sqrt y)) (cbrt (+ x y)))
  (/ (+ (sqrt x) (sqrt y)) (sqrt (+ x y)))
  (/ (- (sqrt x) (sqrt y)) (sqrt (+ x y)))
  (+ (sqrt x) (sqrt y))
  (/ (- (sqrt x) (sqrt y)) (+ x y))
  (+ (sqrt x) (sqrt y))
  (/ (- (sqrt x) (sqrt y)) (+ x y))
  (/ 1 (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (- x y) (cbrt (+ x y)))
  (/ 1 (sqrt (+ x y)))
  (/ (- x y) (sqrt (+ x y)))
  1
  (/ (- x y) (+ x y))
  1
  (/ (- x y) (+ x y))
  (/ 1 (+ x y))
  (/ (+ x y) (- x y))
  (/ (- x y) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (- x y) (sqrt (+ x y)))
  (- x y)
  (- x y)
  (/ (+ x y) (cbrt (- x y)))
  (/ (+ x y) (sqrt (- x y)))
  (/ (+ x y) (- x y))
  (/ (+ x y) (- (sqrt x) (sqrt y)))
  (/ (+ x y) (- x y))
  (/ (- x y) (+ (pow x 3) (pow y 3)))
  (/ 1 (+ x y))
  (* (+ (* y (+ y x)) (* x x)) (+ x y))
  (* (+ x y) (+ x y))
  -1
  1
  1
0.163 * * * [progress]: adding candidates to table
0.239 * * [progress]: iteration 2 / 4
0.239 * * * [progress]: picking best candidate
0.242 * * * * [pick]: Picked  #<alt (λ (x y) (- (/ x (+ x y)) (/ y (+ x y))))>
0.242 * * * [progress]: localizing error
0.247 * * * [progress]: generating rewritten candidates
0.247 * * * * [progress]: [ 1 / 3 ] rewriting at (2)
0.267 * * * * [progress]: [ 2 / 3 ] rewriting at (2 1)
0.272 * * * * [progress]: [ 3 / 3 ] rewriting at (2 2)
0.282 * * * [progress]: generating series expansions
0.282 * * * * [progress]: [ 1 / 3 ] generating series at (2)
0.282 * [approximate]: Approximating (- (/ x (+ x y)) (/ y (+ x y))) in (x y) around 0
0.283 * [taylor]: Taking taylor expansion of (- (/ x (+ x y)) (/ y (+ x y))) in y
0.284 * [taylor]: Taking taylor expansion of (- (/ x (+ x y)) (/ y (+ x y))) in y
0.286 * [taylor]: Taking taylor expansion of (- (/ x (+ x y)) (/ y (+ x y))) in y
0.293 * [taylor]: Taking taylor expansion of (- (/ x (+ x y)) (/ y (+ x y))) in y
0.300 * [approximate]: Approximating (- (/ 1 (* x (+ (/ 1 y) (/ 1 x)))) (/ 1 (* (+ (/ 1 y) (/ 1 x)) y))) in (x y) around 0
0.309 * [taylor]: Taking taylor expansion of (- (/ 1 (* x (+ (/ 1 y) (/ 1 x)))) (/ 1 (* (+ (/ 1 y) (/ 1 x)) y))) in y
0.311 * [taylor]: Taking taylor expansion of (- (/ 1 (* x (+ (/ 1 y) (/ 1 x)))) (/ 1 (* (+ (/ 1 y) (/ 1 x)) y))) in y
0.317 * [taylor]: Taking taylor expansion of (- (/ 1 (* x (+ (/ 1 y) (/ 1 x)))) (/ 1 (* (+ (/ 1 y) (/ 1 x)) y))) in y
0.327 * [taylor]: Taking taylor expansion of (- (/ 1 (* x (+ (/ 1 y) (/ 1 x)))) (/ 1 (* (+ (/ 1 y) (/ 1 x)) y))) in y
0.334 * [approximate]: Approximating (- (/ 1 (* x (+ (/ 1 y) (/ 1 x)))) (/ 1 (* (+ (/ 1 y) (/ 1 x)) y))) in (x y) around 0
0.343 * [taylor]: Taking taylor expansion of (- (/ 1 (* x (+ (/ 1 y) (/ 1 x)))) (/ 1 (* (+ (/ 1 y) (/ 1 x)) y))) in y
0.345 * [taylor]: Taking taylor expansion of (- (/ 1 (* x (+ (/ 1 y) (/ 1 x)))) (/ 1 (* (+ (/ 1 y) (/ 1 x)) y))) in y
0.354 * [taylor]: Taking taylor expansion of (- (/ 1 (* x (+ (/ 1 y) (/ 1 x)))) (/ 1 (* (+ (/ 1 y) (/ 1 x)) y))) in y
0.364 * [taylor]: Taking taylor expansion of (- (/ 1 (* x (+ (/ 1 y) (/ 1 x)))) (/ 1 (* (+ (/ 1 y) (/ 1 x)) y))) in y
0.371 * * * * [progress]: [ 2 / 3 ] generating series at (2 1)
0.371 * [approximate]: Approximating (/ x (+ x y)) in (x y) around 0
0.371 * [taylor]: Taking taylor expansion of (/ x (+ x y)) in y
0.373 * [taylor]: Taking taylor expansion of (/ x (+ x y)) in y
0.377 * [taylor]: Taking taylor expansion of (/ x (+ x y)) in y
0.385 * [approximate]: Approximating (/ 1 (* x (+ (/ 1 y) (/ 1 x)))) in (x y) around 0
0.390 * [taylor]: Taking taylor expansion of (/ 1 (* x (+ (/ 1 y) (/ 1 x)))) in y
0.392 * [taylor]: Taking taylor expansion of (/ 1 (* x (+ (/ 1 y) (/ 1 x)))) in y
0.396 * [taylor]: Taking taylor expansion of (/ 1 (* x (+ (/ 1 y) (/ 1 x)))) in y
0.401 * [approximate]: Approximating (/ 1 (* x (+ (/ 1 y) (/ 1 x)))) in (x y) around 0
0.406 * [taylor]: Taking taylor expansion of (/ 1 (* x (+ (/ 1 y) (/ 1 x)))) in y
0.408 * [taylor]: Taking taylor expansion of (/ 1 (* x (+ (/ 1 y) (/ 1 x)))) in y
0.412 * [taylor]: Taking taylor expansion of (/ 1 (* x (+ (/ 1 y) (/ 1 x)))) in y
0.417 * * * * [progress]: [ 3 / 3 ] generating series at (2 2)
0.417 * [approximate]: Approximating (/ y (+ x y)) in (y x) around 0
0.417 * [taylor]: Taking taylor expansion of (/ y (+ x y)) in x
0.419 * [taylor]: Taking taylor expansion of (/ y (+ x y)) in x
0.425 * [taylor]: Taking taylor expansion of (/ y (+ x y)) in x
0.433 * [approximate]: Approximating (/ 1 (* (+ (/ 1 y) (/ 1 x)) y)) in (y x) around 0
0.438 * [taylor]: Taking taylor expansion of (/ 1 (* (+ (/ 1 y) (/ 1 x)) y)) in x
0.440 * [taylor]: Taking taylor expansion of (/ 1 (* (+ (/ 1 y) (/ 1 x)) y)) in x
0.444 * [taylor]: Taking taylor expansion of (/ 1 (* (+ (/ 1 y) (/ 1 x)) y)) in x
0.449 * [approximate]: Approximating (/ 1 (* (+ (/ 1 y) (/ 1 x)) y)) in (y x) around 0
0.454 * [taylor]: Taking taylor expansion of (/ 1 (* (+ (/ 1 y) (/ 1 x)) y)) in x
0.456 * [taylor]: Taking taylor expansion of (/ 1 (* (+ (/ 1 y) (/ 1 x)) y)) in x
0.460 * [taylor]: Taking taylor expansion of (/ 1 (* (+ (/ 1 y) (/ 1 x)) y)) in x
0.465 * * * [progress]: simplifying candidates
0.466 * [simplify]: Simplifying using #<procedure:simplify-batch-egg> :
  (/ (exp (/ x (+ x y))) (exp (/ y (+ x y))))
  (log (- (/ x (+ x y)) (/ y (+ x y))))
  (exp (- (/ x (+ x y)) (/ y (+ x y))))
  (* (cbrt (- (/ x (+ x y)) (/ y (+ x y)))) (cbrt (- (/ x (+ x y)) (/ y (+ x y)))))
  (cbrt (- (/ x (+ x y)) (/ y (+ x y))))
  (* (* (- (/ x (+ x y)) (/ y (+ x y))) (- (/ x (+ x y)) (/ y (+ x y)))) (- (/ x (+ x y)) (/ y (+ x y))))
  (sqrt (- (/ x (+ x y)) (/ y (+ x y))))
  (sqrt (- (/ x (+ x y)) (/ y (+ x y))))
  (- x y)
  (- (* x (+ x y)) (* (+ x y) y))
  (* (+ x y) (+ x y))
  (- (pow (/ x (+ x y)) 3) (pow (/ y (+ x y)) 3))
  (+ (* (/ x (+ x y)) (/ x (+ x y))) (+ (* (/ y (+ x y)) (/ y (+ x y))) (* (/ x (+ x y)) (/ y (+ x y)))))
  (neg (/ y (+ x y)))
  (- (* (/ x (+ x y)) (/ x (+ x y))) (* (/ y (+ x y)) (/ y (+ x y))))
  (+ (/ x (+ x y)) (/ y (+ x y)))
  (+ (sqrt (/ x (+ x y))) (sqrt (/ y (+ x y))))
  (- (sqrt (/ x (+ x y))) (sqrt (/ y (+ x y))))
  (+ (sqrt (/ x (+ x y))) (/ (sqrt y) (sqrt (+ x y))))
  (- (sqrt (/ x (+ x y))) (/ (sqrt y) (sqrt (+ x y))))
  (+ (/ (sqrt x) (sqrt (+ x y))) (sqrt (/ y (+ x y))))
  (- (/ (sqrt x) (sqrt (+ x y))) (sqrt (/ y (+ x y))))
  (+ (/ (sqrt x) (sqrt (+ x y))) (/ (sqrt y) (sqrt (+ x y))))
  (- (/ (sqrt x) (sqrt (+ x y))) (/ (sqrt y) (sqrt (+ x y))))
  (- (/ x (cbrt (+ x y))) (/ y (cbrt (+ x y))))
  (- (/ x (sqrt (+ x y))) (/ y (sqrt (+ x y))))
  (- (/ x (+ x y)) (/ y (+ x y)))
  (- (/ x (+ x y)) (/ y (+ x y)))
  (- (/ x (+ x y)) (/ y (+ x y)))
  (- (/ x (+ x y)) (/ y (+ x y)))
  (- (/ x (+ x y)) (/ y (+ x y)))
  (- x y)
  (- (/ x (+ (pow x 3) (pow y 3))) (/ y (+ (pow x 3) (pow y 3))))
  (- (/ x (- (* x x) (* y y))) (/ y (- (* x x) (* y y))))
  (neg (/ y (+ x y)))
  (- (log x) (log (+ x y)))
  (log (/ x (+ x y)))
  (exp (/ x (+ x y)))
  (/ (* (* x x) x) (* (* (+ x y) (+ x y)) (+ x y)))
  (* (cbrt (/ x (+ x y))) (cbrt (/ x (+ x y))))
  (cbrt (/ x (+ x y)))
  (* (* (/ x (+ x y)) (/ x (+ x y))) (/ x (+ x y)))
  (sqrt (/ x (+ x y)))
  (sqrt (/ x (+ x y)))
  (neg x)
  (neg (+ x y))
  (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (cbrt x) (cbrt (+ x y)))
  (/ (* (cbrt x) (cbrt x)) (sqrt (+ x y)))
  (/ (cbrt x) (sqrt (+ x y)))
  (/ (* (cbrt x) (cbrt x)) 1)
  (/ (cbrt x) (+ x y))
  (/ (* (cbrt x) (cbrt x)) 1)
  (/ (cbrt x) (+ x y))
  (/ (sqrt x) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (sqrt x) (cbrt (+ x y)))
  (/ (sqrt x) (sqrt (+ x y)))
  (/ (sqrt x) (sqrt (+ x y)))
  (/ (sqrt x) 1)
  (/ (sqrt x) (+ x y))
  (/ (sqrt x) 1)
  (/ (sqrt x) (+ x y))
  (/ 1 (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ x (cbrt (+ x y)))
  (/ 1 (sqrt (+ x y)))
  (/ x (sqrt (+ x y)))
  (/ 1 1)
  (/ x (+ x y))
  (/ 1 1)
  (/ x (+ x y))
  (/ 1 (+ x y))
  (/ (+ x y) x)
  (/ x (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ x (sqrt (+ x y)))
  (/ x 1)
  (/ x 1)
  (/ (+ x y) (cbrt x))
  (/ (+ x y) (sqrt x))
  (/ (+ x y) x)
  (/ x (+ (pow x 3) (pow y 3)))
  (/ x (- (* x x) (* y y)))
  (- (log y) (log (+ x y)))
  (log (/ y (+ x y)))
  (exp (/ y (+ x y)))
  (/ (* (* y y) y) (* (* (+ x y) (+ x y)) (+ x y)))
  (* (cbrt (/ y (+ x y))) (cbrt (/ y (+ x y))))
  (cbrt (/ y (+ x y)))
  (* (* (/ y (+ x y)) (/ y (+ x y))) (/ y (+ x y)))
  (sqrt (/ y (+ x y)))
  (sqrt (/ y (+ x y)))
  (neg y)
  (neg (+ x y))
  (/ (* (cbrt y) (cbrt y)) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (cbrt y) (cbrt (+ x y)))
  (/ (* (cbrt y) (cbrt y)) (sqrt (+ x y)))
  (/ (cbrt y) (sqrt (+ x y)))
  (/ (* (cbrt y) (cbrt y)) 1)
  (/ (cbrt y) (+ x y))
  (/ (* (cbrt y) (cbrt y)) 1)
  (/ (cbrt y) (+ x y))
  (/ (sqrt y) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (sqrt y) (cbrt (+ x y)))
  (/ (sqrt y) (sqrt (+ x y)))
  (/ (sqrt y) (sqrt (+ x y)))
  (/ (sqrt y) 1)
  (/ (sqrt y) (+ x y))
  (/ (sqrt y) 1)
  (/ (sqrt y) (+ x y))
  (/ 1 (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ y (cbrt (+ x y)))
  (/ 1 (sqrt (+ x y)))
  (/ y (sqrt (+ x y)))
  (/ 1 1)
  (/ y (+ x y))
  (/ 1 1)
  (/ y (+ x y))
  (/ 1 (+ x y))
  (/ (+ x y) y)
  (/ y (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ y (sqrt (+ x y)))
  (/ y 1)
  (/ y 1)
  (/ (+ x y) (cbrt y))
  (/ (+ x y) (sqrt y))
  (/ (+ x y) y)
  (/ y (+ (pow x 3) (pow y 3)))
  (/ y (- (* x x) (* y y)))
  -1
  1
  1
  0
  0
  0
  0
  0
  0
0.471 * * [simplify]: iteration  0 :  260  enodes  (cost  536 )
0.475 * * [simplify]: iteration  1 :  791  enodes  (cost  515 )
0.485 * * [simplify]: iteration  2 :  2118  enodes  (cost  515 )
0.517 * * [simplify]: iteration  3 :  5001  enodes  (cost  514 )
0.521 * [simplify]: Simplified to:
  (exp (- (/ x (+ x y)) (/ y (+ x y))))
  (log (- (/ x (+ x y)) (/ y (+ x y))))
  (exp (- (/ x (+ x y)) (/ y (+ x y))))
  (* (cbrt (- (/ x (+ x y)) (/ y (+ x y)))) (cbrt (- (/ x (+ x y)) (/ y (+ x y)))))
  (cbrt (- (/ x (+ x y)) (/ y (+ x y))))
  (pow (- (/ x (+ x y)) (/ y (+ x y))) 3)
  (sqrt (- (/ x (+ x y)) (/ y (+ x y))))
  (sqrt (- (/ x (+ x y)) (/ y (+ x y))))
  (- x y)
  (- (* x x) (* y y))
  (* (+ x y) (+ x y))
  (- (pow (/ x (+ x y)) 3) (pow (/ y (+ x y)) 3))
  (+ (* (/ y (+ x y)) (+ (/ y (+ x y)) (/ x (+ x y)))) (* (/ x (+ x y)) (/ x (+ x y))))
  (neg (/ y (+ x y)))
  (- (* (/ x (+ x y)) (/ x (+ x y))) (* (/ y (+ x y)) (/ y (+ x y))))
  (+ (/ x (+ x y)) (/ y (+ x y)))
  (+ (sqrt (/ x (+ x y))) (sqrt (/ y (+ x y))))
  (- (sqrt (/ x (+ x y))) (sqrt (/ y (+ x y))))
  (+ (sqrt (/ x (+ x y))) (/ (sqrt y) (sqrt (+ x y))))
  (- (sqrt (/ x (+ x y))) (/ (sqrt y) (sqrt (+ x y))))
  (+ (/ (sqrt x) (sqrt (+ x y))) (sqrt (/ y (+ x y))))
  (- (/ (sqrt x) (sqrt (+ x y))) (sqrt (/ y (+ x y))))
  (+ (/ (sqrt x) (sqrt (+ x y))) (/ (sqrt y) (sqrt (+ x y))))
  (- (/ (sqrt x) (sqrt (+ x y))) (/ (sqrt y) (sqrt (+ x y))))
  (- (/ x (cbrt (+ x y))) (/ y (cbrt (+ x y))))
  (- (/ x (sqrt (+ x y))) (/ y (sqrt (+ x y))))
  (- (/ x (+ x y)) (/ y (+ x y)))
  (- (/ x (+ x y)) (/ y (+ x y)))
  (- (/ x (+ x y)) (/ y (+ x y)))
  (- (/ x (+ x y)) (/ y (+ x y)))
  (- (/ x (+ x y)) (/ y (+ x y)))
  (- x y)
  (- (/ x (+ (pow x 3) (pow y 3))) (/ y (+ (pow x 3) (pow y 3))))
  (* (/ 1 (- x y)) (- (/ x (+ x y)) (/ y (+ x y))))
  (neg (/ y (+ x y)))
  (log (/ x (+ x y)))
  (log (/ x (+ x y)))
  (exp (/ x (+ x y)))
  (pow (/ x (+ x y)) 3)
  (* (cbrt (/ x (+ x y))) (cbrt (/ x (+ x y))))
  (cbrt (/ x (+ x y)))
  (pow (/ x (+ x y)) 3)
  (sqrt (/ x (+ x y)))
  (sqrt (/ x (+ x y)))
  (neg x)
  (neg (+ x y))
  (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (cbrt x) (cbrt (+ x y)))
  (/ (* (cbrt x) (cbrt x)) (sqrt (+ x y)))
  (/ (cbrt x) (sqrt (+ x y)))
  (* (cbrt x) (cbrt x))
  (/ (cbrt x) (+ x y))
  (* (cbrt x) (cbrt x))
  (/ (cbrt x) (+ x y))
  (/ (sqrt x) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (sqrt x) (cbrt (+ x y)))
  (/ (sqrt x) (sqrt (+ x y)))
  (/ (sqrt x) (sqrt (+ x y)))
  (sqrt x)
  (/ (sqrt x) (+ x y))
  (sqrt x)
  (/ (sqrt x) (+ x y))
  (/ 1 (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ x (cbrt (+ x y)))
  (/ 1 (sqrt (+ x y)))
  (/ x (sqrt (+ x y)))
  1
  (/ x (+ x y))
  1
  (/ x (+ x y))
  (/ 1 (+ x y))
  (/ (+ x y) x)
  (/ x (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ x (sqrt (+ x y)))
  x
  x
  (/ (+ x y) (cbrt x))
  (/ (+ x y) (sqrt x))
  (/ (+ x y) x)
  (/ x (+ (pow x 3) (pow y 3)))
  (/ x (- (* x x) (* y y)))
  (log (/ y (+ x y)))
  (log (/ y (+ x y)))
  (exp (/ y (+ x y)))
  (pow (/ y (+ x y)) 3)
  (* (cbrt (/ y (+ x y))) (cbrt (/ y (+ x y))))
  (cbrt (/ y (+ x y)))
  (pow (/ y (+ x y)) 3)
  (sqrt (/ y (+ x y)))
  (sqrt (/ y (+ x y)))
  (neg y)
  (neg (+ x y))
  (/ (* (cbrt y) (cbrt y)) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (cbrt y) (cbrt (+ x y)))
  (/ (* (cbrt y) (cbrt y)) (sqrt (+ x y)))
  (/ (cbrt y) (sqrt (+ x y)))
  (* (cbrt y) (cbrt y))
  (/ (cbrt y) (+ x y))
  (* (cbrt y) (cbrt y))
  (/ (cbrt y) (+ x y))
  (/ (sqrt y) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (sqrt y) (cbrt (+ x y)))
  (/ (sqrt y) (sqrt (+ x y)))
  (/ (sqrt y) (sqrt (+ x y)))
  (sqrt y)
  (/ (sqrt y) (+ x y))
  (sqrt y)
  (/ (sqrt y) (+ x y))
  (/ 1 (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ y (cbrt (+ x y)))
  (/ 1 (sqrt (+ x y)))
  (/ y (sqrt (+ x y)))
  1
  (/ y (+ x y))
  1
  (/ y (+ x y))
  (/ 1 (+ x y))
  (/ (+ x y) y)
  (/ y (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ y (sqrt (+ x y)))
  y
  y
  (/ (+ x y) (cbrt y))
  (/ (+ x y) (sqrt y))
  (/ (+ x y) y)
  (/ y (+ (pow x 3) (pow y 3)))
  (/ y (- (* x x) (* y y)))
  -1
  1
  1
  0
  0
  0
  0
  0
  0
0.521 * * * [progress]: adding candidates to table
0.805 * [progress]: [Phase 3 of 3] Extracting.
0.806 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (- (/ x (+ x y)) (/ y (+ x y))))> #<alt (λ (x y) (/ (- x y) (+ x y)))>)
0.806 * * * [regime-changes]: Trying 3 branch expressions: ((/ (- x y) (+ x y)) y x)
0.806 * * * * [regimes]: Trying to branch on (/ (- x y) (+ x y)) from (#<alt (λ (x y) (- (/ x (+ x y)) (/ y (+ x y))))> #<alt (λ (x y) (/ (- x y) (+ x y)))>)
0.832 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (- (/ x (+ x y)) (/ y (+ x y))))> #<alt (λ (x y) (/ (- x y) (+ x y)))>)
0.864 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (- (/ x (+ x y)) (/ y (+ x y))))> #<alt (λ (x y) (/ (- x y) (+ x y)))>)
0.895 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
0.896 * [simplify]: Simplifying using #<procedure:simplify-batch-egg> :
  (- (/ x (+ x y)) (/ y (+ x y)))
0.896 * * [simplify]: iteration  0 :  7  enodes  (cost  5 )
0.896 * * [simplify]: iteration  1 :  7  enodes  (cost  5 )
0.897 * [simplify]: Simplified to:
  (- (/ x (+ x y)) (/ y (+ x y)))