6.291 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.024 * * * [progress]: [2/2] Setting up program.
0.031 * [progress]: [Phase 2 of 3] Improving.
0.031 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (* (- x y) (+ x y)) (+ (* x x) (* y y)))
0.033 * * [simplify]: iteration  0 :  22  enodes  (cost  7 )
0.034 * * [simplify]: iteration  1 :  48  enodes  (cost  7 )
0.036 * * [simplify]: iteration  2 :  104  enodes  (cost  7 )
0.038 * * [simplify]: iteration  3 :  196  enodes  (cost  7 )
0.041 * * [simplify]: iteration  4 :  359  enodes  (cost  7 )
0.046 * * [simplify]: iteration  5 :  686  enodes  (cost  7 )
0.055 * * [simplify]: iteration  6 :  1343  enodes  (cost  7 )
0.090 * * [simplify]: iteration  7 :  5001  enodes  (cost  7 )
0.091 * [simplify]: Simplified to:
   (/ (* (- x y) (+ x y)) (+ (* x x) (* y y)))
0.091 * * [progress]: iteration 1 / 4
0.091 * * * [progress]: picking best candidate
0.093 * * * * [pick]: Picked  #<alt (λ (x y) (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))>
0.093 * * * [progress]: localizing error
0.102 * * * [progress]: generating rewritten candidates
0.102 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.114 * * * [progress]: generating series expansions
0.114 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.114 * [approximate]: Taking taylor expansion of (/ (* (+ x y) (- x y)) (+ (pow x 2) (pow y 2))) in (x y) around 0
0.114 * [taylor]: Taking taylor expansion of (/ (* (+ x y) (- x y)) (+ (pow x 2) (pow y 2))) in y
0.114 * [taylor]: Taking taylor expansion of (* (+ x y) (- x y)) in y
0.114 * [taylor]: Taking taylor expansion of (+ x y) in y
0.114 * [taylor]: Taking taylor expansion of x in y
0.114 * [taylor]: Taking taylor expansion of y in y
0.114 * [taylor]: Taking taylor expansion of (- x y) in y
0.114 * [taylor]: Taking taylor expansion of x in y
0.114 * [taylor]: Taking taylor expansion of y in y
0.114 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in y
0.114 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.114 * [taylor]: Taking taylor expansion of x in y
0.114 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.114 * [taylor]: Taking taylor expansion of y in y
0.114 * [taylor]: Taking taylor expansion of (/ (* (+ x y) (- x y)) (+ (pow x 2) (pow y 2))) in x
0.114 * [taylor]: Taking taylor expansion of (* (+ x y) (- x y)) in x
0.114 * [taylor]: Taking taylor expansion of (+ x y) in x
0.114 * [taylor]: Taking taylor expansion of x in x
0.114 * [taylor]: Taking taylor expansion of y in x
0.114 * [taylor]: Taking taylor expansion of (- x y) in x
0.114 * [taylor]: Taking taylor expansion of x in x
0.114 * [taylor]: Taking taylor expansion of y in x
0.114 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in x
0.115 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.115 * [taylor]: Taking taylor expansion of x in x
0.115 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.115 * [taylor]: Taking taylor expansion of y in x
0.115 * [taylor]: Taking taylor expansion of (/ (* (+ x y) (- x y)) (+ (pow x 2) (pow y 2))) in x
0.115 * [taylor]: Taking taylor expansion of (* (+ x y) (- x y)) in x
0.115 * [taylor]: Taking taylor expansion of (+ x y) in x
0.115 * [taylor]: Taking taylor expansion of x in x
0.115 * [taylor]: Taking taylor expansion of y in x
0.115 * [taylor]: Taking taylor expansion of (- x y) in x
0.115 * [taylor]: Taking taylor expansion of x in x
0.115 * [taylor]: Taking taylor expansion of y in x
0.115 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in x
0.115 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.115 * [taylor]: Taking taylor expansion of x in x
0.115 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.115 * [taylor]: Taking taylor expansion of y in x
0.115 * [taylor]: Taking taylor expansion of -1 in y
0.115 * [taylor]: Taking taylor expansion of 0 in y
0.116 * [taylor]: Taking taylor expansion of (* 2 (/ 1 (pow y 2))) in y
0.116 * [taylor]: Taking taylor expansion of 2 in y
0.116 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.116 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.116 * [taylor]: Taking taylor expansion of y in y
0.117 * [taylor]: Taking taylor expansion of 0 in y
0.117 * [approximate]: Taking taylor expansion of (/ (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in (x y) around 0
0.117 * [taylor]: Taking taylor expansion of (/ (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in y
0.117 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) in y
0.117 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.117 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.117 * [taylor]: Taking taylor expansion of x in y
0.117 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.117 * [taylor]: Taking taylor expansion of y in y
0.117 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.117 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.117 * [taylor]: Taking taylor expansion of y in y
0.117 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.117 * [taylor]: Taking taylor expansion of x in y
0.117 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.117 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.117 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.117 * [taylor]: Taking taylor expansion of x in y
0.117 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.117 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.117 * [taylor]: Taking taylor expansion of y in y
0.117 * [taylor]: Taking taylor expansion of (/ (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.117 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) in x
0.117 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.117 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.117 * [taylor]: Taking taylor expansion of x in x
0.117 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.117 * [taylor]: Taking taylor expansion of y in x
0.117 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.117 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.117 * [taylor]: Taking taylor expansion of y in x
0.118 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.118 * [taylor]: Taking taylor expansion of x in x
0.118 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.118 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.118 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.118 * [taylor]: Taking taylor expansion of x in x
0.118 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.118 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.118 * [taylor]: Taking taylor expansion of y in x
0.118 * [taylor]: Taking taylor expansion of (/ (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.118 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) in x
0.118 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.118 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.118 * [taylor]: Taking taylor expansion of x in x
0.118 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.118 * [taylor]: Taking taylor expansion of y in x
0.118 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.118 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.118 * [taylor]: Taking taylor expansion of y in x
0.118 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.118 * [taylor]: Taking taylor expansion of x in x
0.118 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.118 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.118 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.118 * [taylor]: Taking taylor expansion of x in x
0.118 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.118 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.118 * [taylor]: Taking taylor expansion of y in x
0.118 * [taylor]: Taking taylor expansion of 1 in y
0.119 * [taylor]: Taking taylor expansion of 0 in y
0.119 * [taylor]: Taking taylor expansion of (neg (* 2 (/ 1 (pow y 2)))) in y
0.119 * [taylor]: Taking taylor expansion of (* 2 (/ 1 (pow y 2))) in y
0.119 * [taylor]: Taking taylor expansion of 2 in y
0.119 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.119 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.119 * [taylor]: Taking taylor expansion of y in y
0.120 * [taylor]: Taking taylor expansion of 0 in y
0.120 * [approximate]: Taking taylor expansion of (* -1 (/ (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))))) in (x y) around 0
0.121 * [taylor]: Taking taylor expansion of (* -1 (/ (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))))) in y
0.121 * [taylor]: Taking taylor expansion of -1 in y
0.121 * [taylor]: Taking taylor expansion of (/ (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in y
0.121 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) in y
0.121 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.121 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.121 * [taylor]: Taking taylor expansion of y in y
0.121 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.121 * [taylor]: Taking taylor expansion of x in y
0.121 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.121 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.121 * [taylor]: Taking taylor expansion of y in y
0.121 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.121 * [taylor]: Taking taylor expansion of x in y
0.121 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.121 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.121 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.121 * [taylor]: Taking taylor expansion of x in y
0.121 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.121 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.121 * [taylor]: Taking taylor expansion of y in y
0.121 * [taylor]: Taking taylor expansion of (* -1 (/ (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))))) in x
0.121 * [taylor]: Taking taylor expansion of -1 in x
0.121 * [taylor]: Taking taylor expansion of (/ (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.121 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) in x
0.121 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.121 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.121 * [taylor]: Taking taylor expansion of y in x
0.121 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.121 * [taylor]: Taking taylor expansion of x in x
0.121 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.121 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.121 * [taylor]: Taking taylor expansion of y in x
0.121 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.121 * [taylor]: Taking taylor expansion of x in x
0.121 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.121 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.121 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.121 * [taylor]: Taking taylor expansion of x in x
0.121 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.121 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.121 * [taylor]: Taking taylor expansion of y in x
0.122 * [taylor]: Taking taylor expansion of (* -1 (/ (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))))) in x
0.122 * [taylor]: Taking taylor expansion of -1 in x
0.122 * [taylor]: Taking taylor expansion of (/ (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.122 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) in x
0.122 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.122 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.122 * [taylor]: Taking taylor expansion of y in x
0.122 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.122 * [taylor]: Taking taylor expansion of x in x
0.122 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.122 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.122 * [taylor]: Taking taylor expansion of y in x
0.122 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.122 * [taylor]: Taking taylor expansion of x in x
0.122 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.122 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.122 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.122 * [taylor]: Taking taylor expansion of x in x
0.122 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.122 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.122 * [taylor]: Taking taylor expansion of y in x
0.122 * [taylor]: Taking taylor expansion of 1 in y
0.122 * [taylor]: Taking taylor expansion of 0 in y
0.123 * [taylor]: Taking taylor expansion of (neg (* 2 (/ 1 (pow y 2)))) in y
0.123 * [taylor]: Taking taylor expansion of (* 2 (/ 1 (pow y 2))) in y
0.123 * [taylor]: Taking taylor expansion of 2 in y
0.123 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.123 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.123 * [taylor]: Taking taylor expansion of y in y
0.124 * [taylor]: Taking taylor expansion of 0 in y
0.124 * * * [progress]: simplifying candidates
0.125 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (+ (log (- x y)) (log (+ x y))) (log (+ (* x x) (* y y))))
  (- (log (* (- x y) (+ x y))) (log (+ (* x x) (* y y))))
  (log (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))
  (exp (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))
  (/ (* (* (* (- x y) (- x y)) (- x y)) (* (* (+ x y) (+ x y)) (+ x y))) (* (* (+ (* x x) (* y y)) (+ (* x x) (* y y))) (+ (* x x) (* y y))))
  (/ (* (* (* (- x y) (+ x y)) (* (- x y) (+ x y))) (* (- x y) (+ x y))) (* (* (+ (* x x) (* y y)) (+ (* x x) (* y y))) (+ (* x x) (* y y))))
  (* (cbrt (/ (* (- x y) (+ x y)) (+ (* x x) (* y y)))) (cbrt (/ (* (- x y) (+ x y)) (+ (* x x) (* y y)))))
  (cbrt (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))
  (* (* (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))) (/ (* (- x y) (+ x y)) (+ (* x x) (* y y)))) (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))
  (sqrt (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))
  (sqrt (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))
  (neg (* (- x y) (+ x y)))
  (neg (+ (* x x) (* y y)))
  (/ (- x y) (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))))
  (/ (+ x y) (cbrt (+ (* x x) (* y y))))
  (/ (- x y) (sqrt (+ (* x x) (* y y))))
  (/ (+ x y) (sqrt (+ (* x x) (* y y))))
  (/ (- x y) 1)
  (/ (+ x y) (+ (* x x) (* y y)))
  (/ 1 (+ (* x x) (* y y)))
  (/ (+ (* x x) (* y y)) (* (- x y) (+ x y)))
  (/ (* (- x y) (+ x y)) (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))))
  (/ (* (- x y) (+ x y)) (sqrt (+ (* x x) (* y y))))
  (/ (* (- x y) (+ x y)) 1)
  (/ (+ (* x x) (* y y)) (+ x y))
  (/ (* (- x y) (+ x y)) (+ (pow (* x x) 3) (pow (* y y) 3)))
  (/ (* (- x y) (+ x y)) (- (* (* x x) (* x x)) (* (* y y) (* y y))))
  (* (+ (* x x) (* y y)) (* (+ (* x x) (+ (* y y) (* x y))) (+ (* x x) (- (* y y) (* x y)))))
  (* (+ (* x x) (* y y)) (* (+ (* x x) (+ (* y y) (* x y))) (- x y)))
  (* (+ (* x x) (* y y)) (* (+ x y) (+ (* x x) (- (* y y) (* x y)))))
  (* (+ (* x x) (* y y)) (* (+ x y) (- x y)))
  (* (+ (* x x) (* y y)) (+ (* x x) (- (* y y) (* x y))))
  (* (+ (* x x) (* y y)) (- x y))
  (* (+ (* x x) (* y y)) (+ (* x x) (+ (* y y) (* x y))))
  (* (+ (* x x) (* y y)) (+ x y))
  -1
  1
  1
0.128 * * [simplify]: iteration  0 :  270  enodes  (cost  311 )
0.134 * * [simplify]: iteration  1 :  1434  enodes  (cost  265 )
0.157 * * [simplify]: iteration  2 :  5001  enodes  (cost  261 )
0.159 * [simplify]: Simplified to:
   (log (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))
  (log (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))
  (log (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))
  (exp (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))
  (pow (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))) 3)
  (pow (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))) 3)
  (* (cbrt (/ (* (- x y) (+ x y)) (+ (* x x) (* y y)))) (cbrt (/ (* (- x y) (+ x y)) (+ (* x x) (* y y)))))
  (cbrt (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))
  (pow (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))) 3)
  (sqrt (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))
  (sqrt (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))
  (* (- y x) (+ x y))
  (neg (+ (* x x) (* y y)))
  (/ (- x y) (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))))
  (/ (+ x y) (cbrt (+ (* 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 y)))
  (/ 1 (+ (* x x) (* y y)))
  (/ (+ (* x x) (* y y)) (* (- x y) (+ x y)))
  (/ (* (- x y) (+ x y)) (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))))
  (/ (* (- x y) (+ x y)) (sqrt (+ (* x x) (* y y))))
  (* (- x y) (+ x y))
  (/ (+ (* x x) (* y y)) (+ x y))
  (/ (* (- x y) (+ x y)) (+ (pow (* x x) 3) (pow (* y y) 3)))
  (* (/ (+ x y) (- (/ (pow x 4) 1) (/ (pow y 4) 1))) (- x y))
  (* (* (+ (* y (- y x)) (* x x)) (+ (* y (+ y x)) (* x x))) (+ (* x x) (* y y)))
  (* (* (- x y) (+ (* y (+ y x)) (* x x))) (+ (* x x) (* y y)))
  (* (* (+ (* y (- y x)) (* x x)) (+ x y)) (+ (* x x) (* y y)))
  (- (/ (pow x 4) 1) (/ (pow y 4) 1))
  (* (+ (* y (- y x)) (* x x)) (+ (* x x) (* y y)))
  (* (+ (* x x) (* y y)) (- x y))
  (* (+ (* y (+ y x)) (* x x)) (+ (* x x) (* y y)))
  (* (+ (* x x) (* y y)) (+ x y))
  -1
  1
  1
0.159 * * * [progress]: adding candidates to table
0.199 * * [progress]: iteration 2 / 4
0.199 * * * [progress]: picking best candidate
0.205 * * * * [pick]: Picked  #<alt (λ (x y) (* (- x y) (/ (+ x y) (+ (* x x) (* y y)))))>
0.205 * * * [progress]: localizing error
0.214 * * * [progress]: generating rewritten candidates
0.214 * * * * [progress]: [ 1 / 2 ] rewriting at (2 2)
0.221 * * * * [progress]: [ 2 / 2 ] rewriting at (2)
0.236 * * * [progress]: generating series expansions
0.237 * * * * [progress]: [ 1 / 2 ] generating series at (2 2)
0.237 * [approximate]: Taking taylor expansion of (/ (+ x y) (+ (pow x 2) (pow y 2))) in (x y) around 0
0.237 * [taylor]: Taking taylor expansion of (/ (+ x y) (+ (pow x 2) (pow y 2))) in y
0.237 * [taylor]: Taking taylor expansion of (+ x y) in y
0.237 * [taylor]: Taking taylor expansion of x in y
0.237 * [taylor]: Taking taylor expansion of y in y
0.237 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in y
0.237 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.237 * [taylor]: Taking taylor expansion of x in y
0.237 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.237 * [taylor]: Taking taylor expansion of y in y
0.237 * [taylor]: Taking taylor expansion of (/ (+ x y) (+ (pow x 2) (pow y 2))) in x
0.237 * [taylor]: Taking taylor expansion of (+ x y) in x
0.237 * [taylor]: Taking taylor expansion of x in x
0.237 * [taylor]: Taking taylor expansion of y in x
0.237 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in x
0.237 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.237 * [taylor]: Taking taylor expansion of x in x
0.237 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.237 * [taylor]: Taking taylor expansion of y in x
0.237 * [taylor]: Taking taylor expansion of (/ (+ x y) (+ (pow x 2) (pow y 2))) in x
0.237 * [taylor]: Taking taylor expansion of (+ x y) in x
0.237 * [taylor]: Taking taylor expansion of x in x
0.237 * [taylor]: Taking taylor expansion of y in x
0.237 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in x
0.237 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.237 * [taylor]: Taking taylor expansion of x in x
0.237 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.237 * [taylor]: Taking taylor expansion of y in x
0.238 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.238 * [taylor]: Taking taylor expansion of y in y
0.238 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.238 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.238 * [taylor]: Taking taylor expansion of y in y
0.238 * [taylor]: Taking taylor expansion of (neg (/ 1 (pow y 3))) in y
0.239 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.239 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.239 * [taylor]: Taking taylor expansion of y in y
0.239 * [approximate]: Taking taylor expansion of (/ (+ (/ 1 y) (/ 1 x)) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in (x y) around 0
0.239 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) (/ 1 x)) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in y
0.239 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.239 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.239 * [taylor]: Taking taylor expansion of y in y
0.239 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.239 * [taylor]: Taking taylor expansion of x in y
0.239 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.239 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.239 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.239 * [taylor]: Taking taylor expansion of x in y
0.239 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.239 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.239 * [taylor]: Taking taylor expansion of y in y
0.240 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) (/ 1 x)) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.240 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.240 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.240 * [taylor]: Taking taylor expansion of y in x
0.240 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.240 * [taylor]: Taking taylor expansion of x in x
0.240 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.240 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.240 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.240 * [taylor]: Taking taylor expansion of x in x
0.240 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.240 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.240 * [taylor]: Taking taylor expansion of y in x
0.240 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) (/ 1 x)) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.240 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.240 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.240 * [taylor]: Taking taylor expansion of y in x
0.240 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.240 * [taylor]: Taking taylor expansion of x in x
0.240 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.240 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.240 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.240 * [taylor]: Taking taylor expansion of x in x
0.240 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.240 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.240 * [taylor]: Taking taylor expansion of y in x
0.240 * [taylor]: Taking taylor expansion of 1 in y
0.240 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.241 * [taylor]: Taking taylor expansion of y in y
0.241 * [taylor]: Taking taylor expansion of (neg (/ 1 (pow y 2))) in y
0.241 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.241 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.241 * [taylor]: Taking taylor expansion of y in y
0.241 * [approximate]: Taking taylor expansion of (* -1 (/ (+ (/ 1 y) (/ 1 x)) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))))) in (x y) around 0
0.242 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (/ 1 y) (/ 1 x)) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))))) in y
0.242 * [taylor]: Taking taylor expansion of -1 in y
0.242 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) (/ 1 x)) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in y
0.242 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.242 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.242 * [taylor]: Taking taylor expansion of y in y
0.242 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.242 * [taylor]: Taking taylor expansion of x in y
0.242 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.242 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.242 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.242 * [taylor]: Taking taylor expansion of x 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
0.242 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (/ 1 y) (/ 1 x)) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))))) in x
0.242 * [taylor]: Taking taylor expansion of -1 in x
0.242 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) (/ 1 x)) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.242 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.242 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.242 * [taylor]: Taking taylor expansion of y in x
0.242 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.242 * [taylor]: Taking taylor expansion of x in x
0.242 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.242 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.242 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.242 * [taylor]: Taking taylor expansion of x in x
0.242 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.242 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.242 * [taylor]: Taking taylor expansion of y in x
0.242 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (/ 1 y) (/ 1 x)) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))))) in x
0.242 * [taylor]: Taking taylor expansion of -1 in x
0.242 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 y) (/ 1 x)) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.242 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.242 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.242 * [taylor]: Taking taylor expansion of y in x
0.242 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.242 * [taylor]: Taking taylor expansion of x in x
0.242 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.243 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.243 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.243 * [taylor]: Taking taylor expansion of x in x
0.243 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.243 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.243 * [taylor]: Taking taylor expansion of y in x
0.243 * [taylor]: Taking taylor expansion of -1 in y
0.243 * [taylor]: Taking taylor expansion of (neg (/ 1 y)) in y
0.243 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.243 * [taylor]: Taking taylor expansion of y in y
0.244 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.244 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.244 * [taylor]: Taking taylor expansion of y in y
0.244 * * * * [progress]: [ 2 / 2 ] generating series at (2)
0.244 * [approximate]: Taking taylor expansion of (/ (* (+ x y) (- x y)) (+ (pow x 2) (pow y 2))) in (x y) around 0
0.244 * [taylor]: Taking taylor expansion of (/ (* (+ x y) (- x y)) (+ (pow x 2) (pow y 2))) in y
0.244 * [taylor]: Taking taylor expansion of (* (+ x y) (- x y)) in y
0.244 * [taylor]: Taking taylor expansion of (+ x y) in y
0.244 * [taylor]: Taking taylor expansion of x in y
0.244 * [taylor]: Taking taylor expansion of y in y
0.244 * [taylor]: Taking taylor expansion of (- x y) in y
0.244 * [taylor]: Taking taylor expansion of x in y
0.244 * [taylor]: Taking taylor expansion of y in y
0.244 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in y
0.244 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.244 * [taylor]: Taking taylor expansion of x in y
0.244 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.244 * [taylor]: Taking taylor expansion of y in y
0.244 * [taylor]: Taking taylor expansion of (/ (* (+ x y) (- x y)) (+ (pow x 2) (pow y 2))) in x
0.245 * [taylor]: Taking taylor expansion of (* (+ x y) (- x y)) in x
0.245 * [taylor]: Taking taylor expansion of (+ x y) in x
0.245 * [taylor]: Taking taylor expansion of x in x
0.245 * [taylor]: Taking taylor expansion of y in x
0.245 * [taylor]: Taking taylor expansion of (- x y) in x
0.245 * [taylor]: Taking taylor expansion of x in x
0.245 * [taylor]: Taking taylor expansion of y in x
0.245 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in x
0.245 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.245 * [taylor]: Taking taylor expansion of x in x
0.245 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.245 * [taylor]: Taking taylor expansion of y in x
0.245 * [taylor]: Taking taylor expansion of (/ (* (+ x y) (- x y)) (+ (pow x 2) (pow y 2))) in x
0.245 * [taylor]: Taking taylor expansion of (* (+ x y) (- x y)) in x
0.245 * [taylor]: Taking taylor expansion of (+ x y) in x
0.245 * [taylor]: Taking taylor expansion of x in x
0.245 * [taylor]: Taking taylor expansion of y in x
0.245 * [taylor]: Taking taylor expansion of (- x y) in x
0.245 * [taylor]: Taking taylor expansion of x in x
0.245 * [taylor]: Taking taylor expansion of y in x
0.245 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in x
0.245 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.245 * [taylor]: Taking taylor expansion of x in x
0.245 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.245 * [taylor]: Taking taylor expansion of y in x
0.245 * [taylor]: Taking taylor expansion of -1 in y
0.246 * [taylor]: Taking taylor expansion of 0 in y
0.246 * [taylor]: Taking taylor expansion of (* 2 (/ 1 (pow y 2))) in y
0.246 * [taylor]: Taking taylor expansion of 2 in y
0.246 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.246 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.246 * [taylor]: Taking taylor expansion of y in y
0.247 * [taylor]: Taking taylor expansion of 0 in y
0.247 * [approximate]: Taking taylor expansion of (/ (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in (x y) around 0
0.247 * [taylor]: Taking taylor expansion of (/ (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in y
0.247 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) in y
0.247 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 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 (/ 1 y) in y
0.247 * [taylor]: Taking taylor expansion of y in y
0.247 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.247 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.247 * [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 (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.247 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.247 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.247 * [taylor]: Taking taylor expansion of x in y
0.247 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.247 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.247 * [taylor]: Taking taylor expansion of y in y
0.247 * [taylor]: Taking taylor expansion of (/ (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.247 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) in x
0.247 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 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 (/ 1 y) in x
0.247 * [taylor]: Taking taylor expansion of y in x
0.247 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.248 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.248 * [taylor]: Taking taylor expansion of y in x
0.248 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.248 * [taylor]: Taking taylor expansion of x in x
0.248 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.248 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.248 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.248 * [taylor]: Taking taylor expansion of x in x
0.248 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.248 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.248 * [taylor]: Taking taylor expansion of y in x
0.248 * [taylor]: Taking taylor expansion of (/ (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.248 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) in x
0.248 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.248 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.248 * [taylor]: Taking taylor expansion of x in x
0.248 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.248 * [taylor]: Taking taylor expansion of y in x
0.248 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.248 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.248 * [taylor]: Taking taylor expansion of y in x
0.248 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.248 * [taylor]: Taking taylor expansion of x in x
0.248 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.248 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.248 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.248 * [taylor]: Taking taylor expansion of x in x
0.248 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.248 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.248 * [taylor]: Taking taylor expansion of y in x
0.248 * [taylor]: Taking taylor expansion of 1 in y
0.249 * [taylor]: Taking taylor expansion of 0 in y
0.249 * [taylor]: Taking taylor expansion of (neg (* 2 (/ 1 (pow y 2)))) in y
0.249 * [taylor]: Taking taylor expansion of (* 2 (/ 1 (pow y 2))) in y
0.249 * [taylor]: Taking taylor expansion of 2 in y
0.249 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.249 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.249 * [taylor]: Taking taylor expansion of y in y
0.250 * [taylor]: Taking taylor expansion of 0 in y
0.251 * [approximate]: Taking taylor expansion of (* -1 (/ (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))))) in (x y) around 0
0.251 * [taylor]: Taking taylor expansion of (* -1 (/ (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))))) in y
0.251 * [taylor]: Taking taylor expansion of -1 in y
0.251 * [taylor]: Taking taylor expansion of (/ (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in y
0.251 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) in y
0.251 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.251 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.251 * [taylor]: Taking taylor expansion of y in y
0.251 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.251 * [taylor]: Taking taylor expansion of x in y
0.251 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.251 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.251 * [taylor]: Taking taylor expansion of y in y
0.251 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.251 * [taylor]: Taking taylor expansion of x in y
0.251 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.251 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.251 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.251 * [taylor]: Taking taylor expansion of x in y
0.251 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.251 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.251 * [taylor]: Taking taylor expansion of y in y
0.251 * [taylor]: Taking taylor expansion of (* -1 (/ (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))))) in x
0.251 * [taylor]: Taking taylor expansion of -1 in x
0.251 * [taylor]: Taking taylor expansion of (/ (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.251 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) in x
0.251 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.251 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.251 * [taylor]: Taking taylor expansion of y in x
0.252 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.252 * [taylor]: Taking taylor expansion of x in x
0.252 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.252 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.252 * [taylor]: Taking taylor expansion of y in x
0.252 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.252 * [taylor]: Taking taylor expansion of x in x
0.252 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.252 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.252 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.252 * [taylor]: Taking taylor expansion of x in x
0.252 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.252 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.252 * [taylor]: Taking taylor expansion of y in x
0.252 * [taylor]: Taking taylor expansion of (* -1 (/ (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))))) in x
0.252 * [taylor]: Taking taylor expansion of -1 in x
0.252 * [taylor]: Taking taylor expansion of (/ (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.252 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) in x
0.252 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.252 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.252 * [taylor]: Taking taylor expansion of y in x
0.253 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.253 * [taylor]: Taking taylor expansion of x in x
0.253 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.253 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.253 * [taylor]: Taking taylor expansion of y in x
0.253 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.253 * [taylor]: Taking taylor expansion of x in x
0.253 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.253 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.253 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.253 * [taylor]: Taking taylor expansion of x in x
0.253 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.253 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.253 * [taylor]: Taking taylor expansion of y in x
0.253 * [taylor]: Taking taylor expansion of 1 in y
0.254 * [taylor]: Taking taylor expansion of 0 in y
0.255 * [taylor]: Taking taylor expansion of (neg (* 2 (/ 1 (pow y 2)))) in y
0.255 * [taylor]: Taking taylor expansion of (* 2 (/ 1 (pow y 2))) in y
0.255 * [taylor]: Taking taylor expansion of 2 in y
0.255 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.255 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.255 * [taylor]: Taking taylor expansion of y in y
0.257 * [taylor]: Taking taylor expansion of 0 in y
0.257 * * * [progress]: simplifying candidates
0.259 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (log (+ x y)) (log (+ (* x x) (* y y))))
  (log (/ (+ x y) (+ (* x x) (* y y))))
  (exp (/ (+ x y) (+ (* x x) (* y y))))
  (/ (* (* (+ x y) (+ x y)) (+ x y)) (* (* (+ (* x x) (* y y)) (+ (* x x) (* y y))) (+ (* x x) (* y y))))
  (* (cbrt (/ (+ x y) (+ (* x x) (* y y)))) (cbrt (/ (+ x y) (+ (* x x) (* y y)))))
  (cbrt (/ (+ x y) (+ (* x x) (* y y))))
  (* (* (/ (+ x y) (+ (* x x) (* y y))) (/ (+ x y) (+ (* x x) (* y y)))) (/ (+ x y) (+ (* x x) (* y y))))
  (sqrt (/ (+ x y) (+ (* x x) (* y y))))
  (sqrt (/ (+ x y) (+ (* x x) (* y y))))
  (neg (+ x y))
  (neg (+ (* x x) (* y y)))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))))
  (/ (cbrt (+ x y)) (cbrt (+ (* x x) (* y y))))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (sqrt (+ (* x x) (* y y))))
  (/ (cbrt (+ x y)) (sqrt (+ (* x x) (* y y))))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) 1)
  (/ (cbrt (+ x y)) (+ (* x x) (* y y)))
  (/ (sqrt (+ x y)) (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))))
  (/ (sqrt (+ x y)) (cbrt (+ (* x x) (* y y))))
  (/ (sqrt (+ x y)) (sqrt (+ (* x x) (* y y))))
  (/ (sqrt (+ x y)) (sqrt (+ (* x x) (* y y))))
  (/ (sqrt (+ x y)) 1)
  (/ (sqrt (+ x y)) (+ (* x x) (* y y)))
  (/ 1 (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))))
  (/ (+ x y) (cbrt (+ (* x x) (* y y))))
  (/ 1 (sqrt (+ (* x x) (* y y))))
  (/ (+ x y) (sqrt (+ (* x x) (* y y))))
  (/ 1 1)
  (/ (+ x y) (+ (* x x) (* y y)))
  (/ 1 (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))))
  (/ (+ x y) (cbrt (+ (* x x) (* y y))))
  (/ 1 (sqrt (+ (* x x) (* y y))))
  (/ (+ x y) (sqrt (+ (* x x) (* y y))))
  (/ 1 1)
  (/ (+ x y) (+ (* x x) (* y y)))
  (/ 1 (+ (* x x) (* y y)))
  (/ (+ (* x x) (* y y)) (+ x y))
  (/ (+ x y) (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))))
  (/ (+ x y) (sqrt (+ (* x x) (* y y))))
  (/ (+ x y) 1)
  (/ (+ (* x x) (* y y)) (cbrt (+ x y)))
  (/ (+ (* x x) (* y y)) (sqrt (+ x y)))
  (/ (+ (* x x) (* y y)) (+ x y))
  (/ (+ (* x x) (* y y)) (+ x y))
  (/ (+ x y) (+ (pow (* x x) 3) (pow (* y y) 3)))
  (/ (+ x y) (- (* (* x x) (* x x)) (* (* y y) (* y y))))
  (* (+ (* x x) (* y y)) (+ (* x x) (- (* y y) (* x y))))
  (* (+ (* x x) (* y y)) (- x y))
  (* (- x y) (/ (+ x y) (+ (* x x) (* y y))))
  (+ (log (- x y)) (- (log (+ x y)) (log (+ (* x x) (* y y)))))
  (+ (log (- x y)) (log (/ (+ x y) (+ (* x x) (* y y)))))
  (log (* (- x y) (/ (+ x y) (+ (* x x) (* y y)))))
  (exp (* (- x y) (/ (+ x y) (+ (* x x) (* y y)))))
  (* (* (* (- x y) (- x y)) (- x y)) (/ (* (* (+ x y) (+ x y)) (+ x y)) (* (* (+ (* x x) (* y y)) (+ (* x x) (* y y))) (+ (* x x) (* y y)))))
  (* (* (* (- x y) (- x y)) (- x y)) (* (* (/ (+ x y) (+ (* x x) (* y y))) (/ (+ x y) (+ (* x x) (* y y)))) (/ (+ x y) (+ (* x x) (* y y)))))
  (* (cbrt (* (- x y) (/ (+ x y) (+ (* x x) (* y y))))) (cbrt (* (- x y) (/ (+ x y) (+ (* x x) (* y y))))))
  (cbrt (* (- x y) (/ (+ x y) (+ (* x x) (* y y)))))
  (* (* (* (- x y) (/ (+ x y) (+ (* x x) (* y y)))) (* (- x y) (/ (+ x y) (+ (* x x) (* y y))))) (* (- x y) (/ (+ x y) (+ (* x x) (* y y)))))
  (sqrt (* (- x y) (/ (+ x y) (+ (* x x) (* y y)))))
  (sqrt (* (- x y) (/ (+ x y) (+ (* x x) (* y y)))))
  (* (- (pow x 3) (pow y 3)) (+ x y))
  (* (+ (* x x) (+ (* y y) (* x y))) (+ (* x x) (* y y)))
  (* (- (* x x) (* y y)) (+ x y))
  (* (+ x y) (+ (* x x) (* y y)))
  (* (sqrt (- x y)) (sqrt (/ (+ x y) (+ (* x x) (* y y)))))
  (* (sqrt (- x y)) (sqrt (/ (+ x y) (+ (* x x) (* y y)))))
  (* (sqrt (- x y)) (/ (sqrt (+ x y)) (sqrt (+ (* x x) (* y y)))))
  (* (sqrt (- x y)) (/ (sqrt (+ x y)) (sqrt (+ (* x x) (* y y)))))
  (* (- x y) (* (cbrt (/ (+ x y) (+ (* x x) (* y y)))) (cbrt (/ (+ x y) (+ (* x x) (* y y))))))
  (* (- x y) (sqrt (/ (+ x y) (+ (* x x) (* y y)))))
  (* (- x y) (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y))))))
  (* (- x y) (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (sqrt (+ (* x x) (* y y)))))
  (* (- x y) (/ (* (cbrt (+ x y)) (cbrt (+ x y))) 1))
  (* (- x y) (/ (sqrt (+ x y)) (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y))))))
  (* (- x y) (/ (sqrt (+ x y)) (sqrt (+ (* x x) (* y y)))))
  (* (- x y) (/ (sqrt (+ x y)) 1))
  (* (- x y) (/ 1 (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y))))))
  (* (- x y) (/ 1 (sqrt (+ (* x x) (* y y)))))
  (* (- x y) (/ 1 1))
  (* (- x y) (/ 1 (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y))))))
  (* (- x y) (/ 1 (sqrt (+ (* x x) (* y y)))))
  (* (- x y) (/ 1 1))
  (* (- x y) 1)
  (* (- x y) (+ x y))
  (* (- x y) (/ (+ x y) (+ (pow (* x x) 3) (pow (* y y) 3))))
  (* (- x y) (/ (+ x y) (- (* (* x x) (* x x)) (* (* y y) (* y y)))))
  (* (cbrt (- x y)) (/ (+ x y) (+ (* x x) (* y y))))
  (* (sqrt (- x y)) (/ (+ x y) (+ (* x x) (* y y))))
  (* (- x y) (/ (+ x y) (+ (* x x) (* y y))))
  (* (- (sqrt x) (sqrt y)) (/ (+ x y) (+ (* x x) (* y y))))
  (* (- x y) (/ (+ x y) (+ (* x x) (* y y))))
  (* (- x y) (+ x y))
  (* (- (pow x 3) (pow y 3)) (/ (+ x y) (+ (* x x) (* y y))))
  (* (- (* x x) (* y y)) (/ (+ x y) (+ (* x x) (* y y))))
  0
  0
  0
  -1
  1
  1
0.268 * * [simplify]: iteration  0 :  345  enodes  (cost  738 )
0.278 * * [simplify]: iteration  1 :  1708  enodes  (cost  670 )
0.317 * * [simplify]: iteration  2 :  5001  enodes  (cost  668 )
0.323 * [simplify]: Simplified to:
   (log (/ (+ x y) (+ (* x x) (* y y))))
  (log (/ (+ x y) (+ (* x x) (* y y))))
  (exp (/ (+ x y) (+ (* x x) (* y y))))
  (pow (/ (+ x y) (+ (* x x) (* y y))) 3)
  (* (cbrt (/ (+ x y) (+ (* x x) (* y y)))) (cbrt (/ (+ x y) (+ (* x x) (* y y)))))
  (cbrt (/ (+ x y) (+ (* x x) (* y y))))
  (pow (/ (+ x y) (+ (* x x) (* y y))) 3)
  (sqrt (/ (+ x y) (+ (* x x) (* y y))))
  (sqrt (/ (+ x y) (+ (* x x) (* y y))))
  (neg (+ x y))
  (neg (+ (* x x) (* y y)))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))))
  (/ (cbrt (+ x y)) (cbrt (+ (* x x) (* y y))))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (sqrt (+ (* x x) (* y y))))
  (/ (cbrt (+ x y)) (sqrt (+ (* x x) (* y y))))
  (* (cbrt (+ x y)) (cbrt (+ x y)))
  (/ (cbrt (+ x y)) (+ (* x x) (* y y)))
  (/ (sqrt (+ x y)) (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))))
  (/ (sqrt (+ x y)) (cbrt (+ (* x x) (* y y))))
  (/ (sqrt (+ x y)) (sqrt (+ (* x x) (* y y))))
  (/ (sqrt (+ x y)) (sqrt (+ (* x x) (* y y))))
  (sqrt (+ x y))
  (/ (sqrt (+ x y)) (+ (* x x) (* y y)))
  (/ 1 (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))))
  (/ (+ x y) (cbrt (+ (* x x) (* y y))))
  (/ 1 (sqrt (+ (* x x) (* y y))))
  (/ (+ x y) (sqrt (+ (* x x) (* y y))))
  1
  (/ (+ x y) (+ (* x x) (* y y)))
  (/ 1 (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))))
  (/ (+ x y) (cbrt (+ (* x x) (* y y))))
  (/ 1 (sqrt (+ (* x x) (* y y))))
  (/ (+ x y) (sqrt (+ (* x x) (* y y))))
  1
  (/ (+ x y) (+ (* x x) (* y y)))
  (/ 1 (+ (* x x) (* y y)))
  (/ (+ (* x x) (* y y)) (+ x y))
  (/ (+ x y) (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))))
  (/ (+ x y) (sqrt (+ (* x x) (* y y))))
  (+ x y)
  (/ (+ (* x x) (* y y)) (cbrt (+ x y)))
  (/ (+ (* x x) (* y y)) (sqrt (+ x y)))
  (/ (+ (* x x) (* y y)) (+ x y))
  (/ (+ (* x x) (* y y)) (+ x y))
  (/ (+ x y) (+ (pow (* x x) 3) (pow (* y y) 3)))
  (/ (+ x y) (+ (neg (* (pow y 3) y)) (pow x 4)))
  (* (+ (* y (- y x)) (* x x)) (+ (* x x) (* y y)))
  (* (+ (* x x) (* y y)) (- x y))
  (* (- x y) (/ (+ x y) (+ (* x x) (* y y))))
  (log (* (- x y) (/ (+ x y) (+ (* x x) (* y y)))))
  (log (* (- x y) (/ (+ x y) (+ (* x x) (* y y)))))
  (log (* (- x y) (/ (+ x y) (+ (* x x) (* y y)))))
  (exp (* (- x y) (/ (+ x y) (+ (* x x) (* y y)))))
  (pow (* (- x y) (/ (+ x y) (+ (* x x) (* y y)))) 3)
  (pow (* (- x y) (/ (+ x y) (+ (* x x) (* y y)))) 3)
  (* (cbrt (* (- x y) (/ (+ x y) (+ (* x x) (* y y))))) (cbrt (* (- x y) (/ (+ x y) (+ (* x x) (* y y))))))
  (cbrt (* (- x y) (/ (+ x y) (+ (* x x) (* y y)))))
  (pow (* (- x y) (/ (+ x y) (+ (* x x) (* y y)))) 3)
  (sqrt (* (- x y) (/ (+ x y) (+ (* x x) (* y y)))))
  (sqrt (* (- x y) (/ (+ x y) (+ (* x x) (* y y)))))
  (* (- (pow x 3) (pow y 3)) (+ x y))
  (* (+ (* x x) (* y y)) (+ (* y (+ y x)) (* x x)))
  (* (- (* x x) (* y y)) (+ x y))
  (* (+ x y) (+ (* x x) (* y y)))
  (* (sqrt (- x y)) (sqrt (/ (+ x y) (+ (* x x) (* y y)))))
  (* (sqrt (- x y)) (sqrt (/ (+ x y) (+ (* x x) (* y y)))))
  (* (sqrt (- x y)) (/ (sqrt (+ x y)) (sqrt (+ (* x x) (* y y)))))
  (* (sqrt (- x y)) (/ (sqrt (+ x y)) (sqrt (+ (* x x) (* y y)))))
  (* (- x y) (* (cbrt (/ (+ x y) (+ (* x x) (* y y)))) (cbrt (/ (+ x y) (+ (* x x) (* y y))))))
  (* (- x y) (sqrt (/ (+ x y) (+ (* x x) (* y y)))))
  (* (- x y) (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y))))))
  (* (- x y) (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (sqrt (+ (* x x) (* y y)))))
  (* (* (cbrt (+ x y)) (cbrt (+ x y))) (- x y))
  (* (- x y) (/ (sqrt (+ x y)) (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y))))))
  (* (- x y) (/ (sqrt (+ x y)) (sqrt (+ (* x x) (* y y)))))
  (* (sqrt (+ x y)) (- x y))
  (/ (- x y) (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))))
  (/ (- x y) (sqrt (+ (* x x) (* y y))))
  (- x y)
  (/ (- x y) (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))))
  (/ (- x y) (sqrt (+ (* x x) (* y y))))
  (- x y)
  (- x y)
  (* (- x y) (+ x y))
  (* (- x y) (/ (+ x y) (+ (pow (* x x) 3) (pow (* y y) 3))))
  (/ (- x y) (/ (+ (* (pow x 3) x) (neg (* (pow y 3) y))) (+ x y)))
  (* (cbrt (- x y)) (/ (+ x y) (+ (* x x) (* y y))))
  (* (sqrt (- x y)) (/ (+ x y) (+ (* x x) (* y y))))
  (* (- x y) (/ (+ x y) (+ (* x x) (* y y))))
  (* (- (sqrt x) (sqrt y)) (/ (+ x y) (+ (* x x) (* y y))))
  (* (- x y) (/ (+ x y) (+ (* x x) (* y y))))
  (* (- x y) (+ x y))
  (* (- (pow x 3) (pow y 3)) (/ (+ x y) (+ (* x x) (* y y))))
  (* (- (* x x) (* y y)) (/ (+ x y) (+ (* x x) (* y y))))
  0
  0
  0
  -1
  1
  1
0.323 * * * [progress]: adding candidates to table
0.383 * * [progress]: iteration 3 / 4
0.383 * * * [progress]: picking best candidate
0.387 * * * * [pick]: Picked  #<alt (λ (x y) -1)>
0.387 * * * [progress]: localizing error
0.387 * * * [progress]: generating rewritten candidates
0.387 * * * [progress]: generating series expansions
0.387 * * * [progress]: simplifying candidates
0.387 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.389 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.389 * [simplify]: Simplified to:
   
0.389 * * * [progress]: adding candidates to table
0.389 * * [progress]: iteration 4 / 4
0.389 * * * [progress]: picking best candidate
0.391 * * * * [pick]: Picked  #<alt (λ (x y) 1)>
0.391 * * * [progress]: localizing error
0.392 * * * [progress]: generating rewritten candidates
0.392 * * * [progress]: generating series expansions
0.392 * * * [progress]: simplifying candidates
0.392 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.394 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.394 * [simplify]: Simplified to:
   
0.394 * * * [progress]: adding candidates to table
0.394 * [progress]: [Phase 3 of 3] Extracting.
0.394 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) 1)> #<alt (λ (x y) -1)> #<alt (λ (x y) (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))> #<alt (λ (x y) (* (- x y) (/ (+ x y) (+ (* x x) (* y y)))))>)
0.394 * * * [regime-changes]: Trying 3 branch expressions: ((/ (* (- x y) (+ x y)) (+ (* x x) (* y y))) y x)
0.394 * * * * [regimes]: Trying to branch on (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))) from (#<alt (λ (x y) 1)> #<alt (λ (x y) -1)> #<alt (λ (x y) (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))> #<alt (λ (x y) (* (- x y) (/ (+ x y) (+ (* x x) (* y y)))))>)
0.429 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) 1)> #<alt (λ (x y) -1)> #<alt (λ (x y) (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))> #<alt (λ (x y) (* (- x y) (/ (+ x y) (+ (* x x) (* y y)))))>)
0.483 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) 1)> #<alt (λ (x y) -1)> #<alt (λ (x y) (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))> #<alt (λ (x y) (* (- x y) (/ (+ x y) (+ (* x x) (* y y)))))>)
0.530 * * * [regime]: Found split indices: #<option (#s(si 1 41) #s(si 2 127) #s(si 0 213) #s(si 2 255))>
0.531 * [binary-search]: Improving bounds with binary search for y and (#<alt (λ (x y) 1)> #<alt (λ (x y) -1)> #<alt (λ (x y) (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))> #<alt (λ (x y) (* (- x y) (/ (+ x y) (+ (* x x) (* y y)))))>)
0.568 * [regimes]: Found splitpoints: (#s(sp 1 y -3.663047042181712e+151) #s(sp 2 y -1.90429670885749e-161) #s(sp 0 y 4.6010026275041676e-164) #s(sp 2 y +nan.0)) , with alts (#<alt (λ (x y) 1)> #<alt (λ (x y) -1)> #<alt (λ (x y) (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))> #<alt (λ (x y) (* (- x y) (/ (+ x y) (+ (* x x) (* y y)))))>)
0.569 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (if (<= y -3.663047042181712e+151) -1 (if (<= y -1.90429670885749e-161) (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))) (if (<= y 4.6010026275041676e-164) 1 (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))))
0.569 * * [simplify]: iteration  0 :  28  enodes  (cost  14 )
0.570 * * [simplify]: iteration  1 :  28  enodes  (cost  14 )
0.570 * [simplify]: Simplified to:
   (if (<= y -3.663047042181712e+151) -1 (if (<= y -1.90429670885749e-161) (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))) (if (<= y 4.6010026275041676e-164) 1 (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))))
1.617 * [regime-testing]: End program error score: 5.205596068862276
1.710 * [regime-testing]: Target error score: 0.053791717306314414