4.650 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.018 * * * [progress]: [2/2] Setting up program.
0.020 * [progress]: [Phase 2 of 3] Improving.
0.020 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (* (- x y) (+ x y)) (+ (* x x) (* y y)))
0.022 * * [simplify]: iteration  0 :  22  enodes  (cost  7 )
0.024 * * [simplify]: iteration  1 :  48  enodes  (cost  7 )
0.025 * * [simplify]: iteration  2 :  104  enodes  (cost  7 )
0.027 * * [simplify]: iteration  3 :  196  enodes  (cost  7 )
0.031 * * [simplify]: iteration  4 :  359  enodes  (cost  7 )
0.036 * * [simplify]: iteration  5 :  686  enodes  (cost  7 )
0.045 * * [simplify]: iteration  6 :  1355  enodes  (cost  7 )
0.080 * * [simplify]: iteration  7 :  5001  enodes  (cost  7 )
0.080 * [simplify]: Simplified to:
   (/ (* (- x y) (+ x y)) (+ (* x x) (* y y)))
0.080 * * [progress]: iteration 1 / 4
0.080 * * * [progress]: picking best candidate
0.082 * * * * [pick]: Picked  #<alt (λ (x y) (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))>
0.082 * * * [progress]: localizing error
0.090 * * * [progress]: generating rewritten candidates
0.090 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.102 * * * [progress]: generating series expansions
0.102 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.103 * [approximate]: Taking taylor expansion of (/ (* (+ x y) (- x y)) (+ (pow x 2) (pow y 2))) in (x y) around 0
0.103 * [taylor]: Taking taylor expansion of (/ (* (+ x y) (- x y)) (+ (pow x 2) (pow y 2))) in y
0.103 * [taylor]: Taking taylor expansion of (* (+ x y) (- x y)) in y
0.103 * [taylor]: Taking taylor expansion of (+ x y) in y
0.103 * [taylor]: Taking taylor expansion of x in y
0.103 * [taylor]: Taking taylor expansion of y in y
0.103 * [taylor]: Taking taylor expansion of (- x y) in y
0.103 * [taylor]: Taking taylor expansion of x in y
0.103 * [taylor]: Taking taylor expansion of y in y
0.103 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in y
0.103 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.103 * [taylor]: Taking taylor expansion of x in y
0.103 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.103 * [taylor]: Taking taylor expansion of y in y
0.103 * [taylor]: Taking taylor expansion of (/ (* (+ x y) (- x y)) (+ (pow x 2) (pow y 2))) in x
0.103 * [taylor]: Taking taylor expansion of (* (+ x y) (- x y)) in x
0.103 * [taylor]: Taking taylor expansion of (+ x y) in x
0.104 * [taylor]: Taking taylor expansion of x in x
0.104 * [taylor]: Taking taylor expansion of y in x
0.104 * [taylor]: Taking taylor expansion of (- x y) in x
0.104 * [taylor]: Taking taylor expansion of x in x
0.104 * [taylor]: Taking taylor expansion of y in x
0.104 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in x
0.104 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.104 * [taylor]: Taking taylor expansion of x in x
0.104 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.104 * [taylor]: Taking taylor expansion of y in x
0.104 * [taylor]: Taking taylor expansion of (/ (* (+ x y) (- x y)) (+ (pow x 2) (pow y 2))) in x
0.104 * [taylor]: Taking taylor expansion of (* (+ x y) (- x y)) in x
0.104 * [taylor]: Taking taylor expansion of (+ x y) in x
0.104 * [taylor]: Taking taylor expansion of x in x
0.104 * [taylor]: Taking taylor expansion of y in x
0.104 * [taylor]: Taking taylor expansion of (- x y) in x
0.104 * [taylor]: Taking taylor expansion of x in x
0.104 * [taylor]: Taking taylor expansion of y in x
0.104 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in x
0.104 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.104 * [taylor]: Taking taylor expansion of x in x
0.104 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.104 * [taylor]: Taking taylor expansion of y in x
0.104 * [taylor]: Taking taylor expansion of -1 in y
0.106 * [taylor]: Taking taylor expansion of 0 in y
0.108 * [taylor]: Taking taylor expansion of (* 2 (/ 1 (pow y 2))) in y
0.108 * [taylor]: Taking taylor expansion of 2 in y
0.108 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.108 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.108 * [taylor]: Taking taylor expansion of y in y
0.113 * [taylor]: Taking taylor expansion of 0 in y
0.113 * [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
0.113 * [taylor]: Taking taylor expansion of (/ (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in y
0.113 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) in y
0.113 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.114 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.114 * [taylor]: Taking taylor expansion of x in y
0.114 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.114 * [taylor]: Taking taylor expansion of y in y
0.114 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.114 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.114 * [taylor]: Taking taylor expansion of y in y
0.114 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.114 * [taylor]: Taking taylor expansion of x in y
0.114 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.114 * [taylor]: Taking taylor expansion of (/ 1 (pow x 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 (/ 1 (pow y 2)) in y
0.114 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.114 * [taylor]: Taking taylor expansion of y in y
0.116 * [taylor]: Taking taylor expansion of (/ (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.116 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) in x
0.116 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.116 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.116 * [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
0.117 * [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 (pow x 2)) (/ 1 (pow y 2))) in x
0.117 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.117 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.117 * [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
0.119 * [taylor]: Taking taylor expansion of (/ (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.119 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) in x
0.119 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.119 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.119 * [taylor]: Taking taylor expansion of x in x
0.119 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.119 * [taylor]: Taking taylor expansion of y in x
0.119 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.119 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.119 * [taylor]: Taking taylor expansion of y in x
0.119 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.119 * [taylor]: Taking taylor expansion of x in x
0.120 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.120 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.120 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.120 * [taylor]: Taking taylor expansion of x in x
0.120 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.120 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.120 * [taylor]: Taking taylor expansion of y in x
0.122 * [taylor]: Taking taylor expansion of 1 in y
0.124 * [taylor]: Taking taylor expansion of 0 in y
0.128 * [taylor]: Taking taylor expansion of (- (* 2 (/ 1 (pow y 2)))) in y
0.128 * [taylor]: Taking taylor expansion of (* 2 (/ 1 (pow y 2))) in y
0.128 * [taylor]: Taking taylor expansion of 2 in y
0.128 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.128 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.128 * [taylor]: Taking taylor expansion of y in y
0.140 * [taylor]: Taking taylor expansion of 0 in y
0.140 * [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
0.140 * [taylor]: Taking taylor expansion of (* -1 (/ (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))))) in y
0.140 * [taylor]: Taking taylor expansion of -1 in y
0.140 * [taylor]: Taking taylor expansion of (/ (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in y
0.140 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) in y
0.140 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.140 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.140 * [taylor]: Taking taylor expansion of y in y
0.140 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.140 * [taylor]: Taking taylor expansion of x in y
0.141 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.141 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.141 * [taylor]: Taking taylor expansion of y in y
0.141 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.141 * [taylor]: Taking taylor expansion of x in y
0.141 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.141 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.141 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.141 * [taylor]: Taking taylor expansion of x in y
0.141 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.141 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.141 * [taylor]: Taking taylor expansion of y in y
0.143 * [taylor]: Taking taylor expansion of (* -1 (/ (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))))) in x
0.143 * [taylor]: Taking taylor expansion of -1 in x
0.143 * [taylor]: Taking taylor expansion of (/ (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.143 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) in x
0.143 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.143 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.143 * [taylor]: Taking taylor expansion of y in x
0.143 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.143 * [taylor]: Taking taylor expansion of x in x
0.143 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.143 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.143 * [taylor]: Taking taylor expansion of y in x
0.143 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.143 * [taylor]: Taking taylor expansion of x in x
0.144 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.144 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.144 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.144 * [taylor]: Taking taylor expansion of x in x
0.144 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.144 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.144 * [taylor]: Taking taylor expansion of y in x
0.146 * [taylor]: Taking taylor expansion of (* -1 (/ (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))))) in x
0.146 * [taylor]: Taking taylor expansion of -1 in x
0.146 * [taylor]: Taking taylor expansion of (/ (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.146 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) in x
0.146 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.146 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.146 * [taylor]: Taking taylor expansion of y in x
0.146 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.146 * [taylor]: Taking taylor expansion of x in x
0.146 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.146 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.147 * [taylor]: Taking taylor expansion of y in x
0.147 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.147 * [taylor]: Taking taylor expansion of x in x
0.147 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.147 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.147 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.147 * [taylor]: Taking taylor expansion of x in x
0.147 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.147 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.147 * [taylor]: Taking taylor expansion of y in x
0.149 * [taylor]: Taking taylor expansion of 1 in y
0.152 * [taylor]: Taking taylor expansion of 0 in y
0.157 * [taylor]: Taking taylor expansion of (- (* 2 (/ 1 (pow y 2)))) in y
0.157 * [taylor]: Taking taylor expansion of (* 2 (/ 1 (pow y 2))) in y
0.157 * [taylor]: Taking taylor expansion of 2 in y
0.157 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.157 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.157 * [taylor]: Taking taylor expansion of y in y
0.165 * [taylor]: Taking taylor expansion of 0 in y
0.165 * * * [progress]: simplifying candidates
0.166 * [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))))
  (- (* (- x y) (+ x y)))
  (- (+ (* 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
0.170 * * [simplify]: iteration  0 :  270  enodes  (cost  311 )
0.176 * * [simplify]: iteration  1 :  1434  enodes  (cost  265 )
0.201 * * [simplify]: iteration  2 :  5001  enodes  (cost  261 )
0.202 * [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))
  (- (+ (* 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
0.203 * * * [progress]: adding candidates to table
0.275 * * [progress]: iteration 2 / 4
0.275 * * * [progress]: picking best candidate
0.278 * * * * [pick]: Picked  #<alt (λ (x y) (/ (- x y) (/ (+ (* x x) (* y y)) (+ x y))))>
0.278 * * * [progress]: localizing error
0.288 * * * [progress]: generating rewritten candidates
0.288 * * * * [progress]: [ 1 / 2 ] rewriting at (2 2)
0.296 * * * * [progress]: [ 2 / 2 ] rewriting at (2)
0.317 * * * [progress]: generating series expansions
0.317 * * * * [progress]: [ 1 / 2 ] generating series at (2 2)
0.317 * [approximate]: Taking taylor expansion of (/ (+ (pow x 2) (pow y 2)) (+ x y)) in (x y) around 0
0.317 * [taylor]: Taking taylor expansion of (/ (+ (pow x 2) (pow y 2)) (+ x y)) in y
0.317 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in y
0.317 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.317 * [taylor]: Taking taylor expansion of x in y
0.317 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.317 * [taylor]: Taking taylor expansion of y in y
0.317 * [taylor]: Taking taylor expansion of (+ x y) in y
0.317 * [taylor]: Taking taylor expansion of x in y
0.317 * [taylor]: Taking taylor expansion of y in y
0.318 * [taylor]: Taking taylor expansion of (/ (+ (pow x 2) (pow y 2)) (+ x y)) in x
0.318 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in x
0.318 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.318 * [taylor]: Taking taylor expansion of x in x
0.318 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.318 * [taylor]: Taking taylor expansion of y in x
0.318 * [taylor]: Taking taylor expansion of (+ x y) in x
0.318 * [taylor]: Taking taylor expansion of x in x
0.318 * [taylor]: Taking taylor expansion of y in x
0.318 * [taylor]: Taking taylor expansion of (/ (+ (pow x 2) (pow y 2)) (+ x y)) in x
0.318 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in x
0.318 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.318 * [taylor]: Taking taylor expansion of x in x
0.318 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.318 * [taylor]: Taking taylor expansion of y in x
0.318 * [taylor]: Taking taylor expansion of (+ x y) in x
0.318 * [taylor]: Taking taylor expansion of x in x
0.318 * [taylor]: Taking taylor expansion of y in x
0.318 * [taylor]: Taking taylor expansion of y in y
0.319 * [taylor]: Taking taylor expansion of (- 1) in y
0.319 * [taylor]: Taking taylor expansion of 1 in y
0.321 * [taylor]: Taking taylor expansion of (* 2 (/ 1 y)) in y
0.321 * [taylor]: Taking taylor expansion of 2 in y
0.321 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.321 * [taylor]: Taking taylor expansion of y in y
0.324 * [taylor]: Taking taylor expansion of (- (* 2 (/ 1 (pow y 2)))) in y
0.324 * [taylor]: Taking taylor expansion of (* 2 (/ 1 (pow y 2))) in y
0.324 * [taylor]: Taking taylor expansion of 2 in y
0.324 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.324 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.324 * [taylor]: Taking taylor expansion of y in y
0.328 * [approximate]: Taking taylor expansion of (/ (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) (+ (/ 1 y) (/ 1 x))) in (x y) around 0
0.329 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) (+ (/ 1 y) (/ 1 x))) in y
0.329 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.329 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.329 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.329 * [taylor]: Taking taylor expansion of x in y
0.329 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.329 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.329 * [taylor]: Taking taylor expansion of y in y
0.329 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.329 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.329 * [taylor]: Taking taylor expansion of y in y
0.330 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.330 * [taylor]: Taking taylor expansion of x in y
0.330 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) (+ (/ 1 y) (/ 1 x))) in x
0.330 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.330 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.330 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.330 * [taylor]: Taking taylor expansion of x in x
0.331 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.331 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.331 * [taylor]: Taking taylor expansion of y in x
0.331 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.331 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.331 * [taylor]: Taking taylor expansion of y in x
0.331 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.331 * [taylor]: Taking taylor expansion of x in x
0.332 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) (+ (/ 1 y) (/ 1 x))) in x
0.332 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.332 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.332 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.332 * [taylor]: Taking taylor expansion of x in x
0.333 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.333 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.333 * [taylor]: Taking taylor expansion of y in x
0.333 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.333 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.333 * [taylor]: Taking taylor expansion of y in x
0.333 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.333 * [taylor]: Taking taylor expansion of x in x
0.334 * [taylor]: Taking taylor expansion of 1 in y
0.336 * [taylor]: Taking taylor expansion of (- (/ 1 y)) in y
0.336 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.336 * [taylor]: Taking taylor expansion of y in y
0.338 * [taylor]: Taking taylor expansion of (* 2 (/ 1 (pow y 2))) in y
0.339 * [taylor]: Taking taylor expansion of 2 in y
0.339 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.339 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.339 * [taylor]: Taking taylor expansion of y in y
0.344 * [taylor]: Taking taylor expansion of (- (* 2 (/ 1 (pow y 3)))) in y
0.344 * [taylor]: Taking taylor expansion of (* 2 (/ 1 (pow y 3))) in y
0.344 * [taylor]: Taking taylor expansion of 2 in y
0.344 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.344 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.344 * [taylor]: Taking taylor expansion of y in y
0.351 * [approximate]: Taking taylor expansion of (* -1 (/ (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) (+ (/ 1 y) (/ 1 x)))) in (x y) around 0
0.351 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) (+ (/ 1 y) (/ 1 x)))) in y
0.351 * [taylor]: Taking taylor expansion of -1 in y
0.351 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) (+ (/ 1 y) (/ 1 x))) in y
0.351 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.351 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.351 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.351 * [taylor]: Taking taylor expansion of x in y
0.351 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.351 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.351 * [taylor]: Taking taylor expansion of y in y
0.351 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.351 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.351 * [taylor]: Taking taylor expansion of y in y
0.352 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.352 * [taylor]: Taking taylor expansion of x in y
0.353 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) (+ (/ 1 y) (/ 1 x)))) in x
0.353 * [taylor]: Taking taylor expansion of -1 in x
0.353 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) (+ (/ 1 y) (/ 1 x))) in x
0.353 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.353 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.353 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.353 * [taylor]: Taking taylor expansion of x in x
0.353 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.353 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.353 * [taylor]: Taking taylor expansion of y in x
0.353 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.353 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.354 * [taylor]: Taking taylor expansion of y in x
0.354 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.354 * [taylor]: Taking taylor expansion of x in x
0.355 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) (+ (/ 1 y) (/ 1 x)))) in x
0.355 * [taylor]: Taking taylor expansion of -1 in x
0.355 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) (+ (/ 1 y) (/ 1 x))) in x
0.355 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.355 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.355 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.355 * [taylor]: Taking taylor expansion of x in x
0.355 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.355 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.355 * [taylor]: Taking taylor expansion of y in x
0.355 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.355 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.355 * [taylor]: Taking taylor expansion of y in x
0.355 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.355 * [taylor]: Taking taylor expansion of x in x
0.357 * [taylor]: Taking taylor expansion of -1 in y
0.359 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.359 * [taylor]: Taking taylor expansion of y in y
0.368 * [taylor]: Taking taylor expansion of (- (* 2 (/ 1 (pow y 2)))) in y
0.368 * [taylor]: Taking taylor expansion of (* 2 (/ 1 (pow y 2))) in y
0.368 * [taylor]: Taking taylor expansion of 2 in y
0.368 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.368 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.368 * [taylor]: Taking taylor expansion of y in y
0.374 * [taylor]: Taking taylor expansion of (* 2 (/ 1 (pow y 3))) in y
0.374 * [taylor]: Taking taylor expansion of 2 in y
0.374 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.374 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.374 * [taylor]: Taking taylor expansion of y in y
0.380 * * * * [progress]: [ 2 / 2 ] generating series at (2)
0.380 * [approximate]: Taking taylor expansion of (/ (* (+ x y) (- x y)) (+ (pow x 2) (pow y 2))) in (x y) around 0
0.380 * [taylor]: Taking taylor expansion of (/ (* (+ x y) (- x y)) (+ (pow x 2) (pow y 2))) in y
0.380 * [taylor]: Taking taylor expansion of (* (+ x y) (- x y)) in y
0.380 * [taylor]: Taking taylor expansion of (+ x y) in y
0.380 * [taylor]: Taking taylor expansion of x in y
0.380 * [taylor]: Taking taylor expansion of y in y
0.380 * [taylor]: Taking taylor expansion of (- x y) in y
0.380 * [taylor]: Taking taylor expansion of x in y
0.380 * [taylor]: Taking taylor expansion of y in y
0.380 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in y
0.380 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.380 * [taylor]: Taking taylor expansion of x in y
0.380 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.380 * [taylor]: Taking taylor expansion of y in y
0.381 * [taylor]: Taking taylor expansion of (/ (* (+ x y) (- x y)) (+ (pow x 2) (pow y 2))) in x
0.381 * [taylor]: Taking taylor expansion of (* (+ x y) (- x y)) in x
0.381 * [taylor]: Taking taylor expansion of (+ x y) in x
0.381 * [taylor]: Taking taylor expansion of x in x
0.381 * [taylor]: Taking taylor expansion of y in x
0.381 * [taylor]: Taking taylor expansion of (- x y) in x
0.381 * [taylor]: Taking taylor expansion of x in x
0.381 * [taylor]: Taking taylor expansion of y in x
0.381 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in x
0.381 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.381 * [taylor]: Taking taylor expansion of x in x
0.381 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.381 * [taylor]: Taking taylor expansion of y in x
0.381 * [taylor]: Taking taylor expansion of (/ (* (+ x y) (- x y)) (+ (pow x 2) (pow y 2))) in x
0.381 * [taylor]: Taking taylor expansion of (* (+ x y) (- x y)) in x
0.381 * [taylor]: Taking taylor expansion of (+ x y) in x
0.381 * [taylor]: Taking taylor expansion of x in x
0.381 * [taylor]: Taking taylor expansion of y in x
0.381 * [taylor]: Taking taylor expansion of (- x y) in x
0.382 * [taylor]: Taking taylor expansion of x in x
0.382 * [taylor]: Taking taylor expansion of y in x
0.382 * [taylor]: Taking taylor expansion of (+ (pow x 2) (pow y 2)) in x
0.382 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.382 * [taylor]: Taking taylor expansion of x in x
0.382 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.382 * [taylor]: Taking taylor expansion of y in x
0.382 * [taylor]: Taking taylor expansion of -1 in y
0.383 * [taylor]: Taking taylor expansion of 0 in y
0.385 * [taylor]: Taking taylor expansion of (* 2 (/ 1 (pow y 2))) in y
0.385 * [taylor]: Taking taylor expansion of 2 in y
0.385 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.385 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.385 * [taylor]: Taking taylor expansion of y in y
0.390 * [taylor]: Taking taylor expansion of 0 in y
0.391 * [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
0.391 * [taylor]: Taking taylor expansion of (/ (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in y
0.391 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) in y
0.391 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.391 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.391 * [taylor]: Taking taylor expansion of x in y
0.391 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.391 * [taylor]: Taking taylor expansion of y in y
0.391 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.391 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.391 * [taylor]: Taking taylor expansion of y in y
0.391 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.391 * [taylor]: Taking taylor expansion of x in y
0.391 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.391 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.392 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.392 * [taylor]: Taking taylor expansion of x in y
0.392 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.392 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.392 * [taylor]: Taking taylor expansion of y in y
0.394 * [taylor]: Taking taylor expansion of (/ (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.394 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) in x
0.394 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.394 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.394 * [taylor]: Taking taylor expansion of x in x
0.394 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.394 * [taylor]: Taking taylor expansion of y in x
0.394 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.394 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.394 * [taylor]: Taking taylor expansion of y in x
0.394 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.394 * [taylor]: Taking taylor expansion of x in x
0.394 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.394 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.394 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.394 * [taylor]: Taking taylor expansion of x in x
0.395 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.395 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.395 * [taylor]: Taking taylor expansion of y in x
0.396 * [taylor]: Taking taylor expansion of (/ (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.396 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) in x
0.396 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.396 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.396 * [taylor]: Taking taylor expansion of x in x
0.397 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.397 * [taylor]: Taking taylor expansion of y in x
0.397 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.397 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.397 * [taylor]: Taking taylor expansion of y in x
0.397 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.397 * [taylor]: Taking taylor expansion of x in x
0.397 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.397 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.397 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.397 * [taylor]: Taking taylor expansion of x in x
0.398 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.398 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.398 * [taylor]: Taking taylor expansion of y in x
0.399 * [taylor]: Taking taylor expansion of 1 in y
0.401 * [taylor]: Taking taylor expansion of 0 in y
0.406 * [taylor]: Taking taylor expansion of (- (* 2 (/ 1 (pow y 2)))) in y
0.406 * [taylor]: Taking taylor expansion of (* 2 (/ 1 (pow y 2))) in y
0.406 * [taylor]: Taking taylor expansion of 2 in y
0.406 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.406 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.406 * [taylor]: Taking taylor expansion of y in y
0.414 * [taylor]: Taking taylor expansion of 0 in y
0.414 * [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
0.415 * [taylor]: Taking taylor expansion of (* -1 (/ (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))))) in y
0.415 * [taylor]: Taking taylor expansion of -1 in y
0.415 * [taylor]: Taking taylor expansion of (/ (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in y
0.415 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) in y
0.415 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.415 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.415 * [taylor]: Taking taylor expansion of y in y
0.415 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.415 * [taylor]: Taking taylor expansion of x in y
0.415 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.415 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.415 * [taylor]: Taking taylor expansion of y in y
0.415 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.415 * [taylor]: Taking taylor expansion of x in y
0.415 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.415 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.415 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.415 * [taylor]: Taking taylor expansion of x in y
0.416 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.416 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.416 * [taylor]: Taking taylor expansion of y in y
0.417 * [taylor]: Taking taylor expansion of (* -1 (/ (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))))) in x
0.417 * [taylor]: Taking taylor expansion of -1 in x
0.417 * [taylor]: Taking taylor expansion of (/ (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.417 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) in x
0.417 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.417 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.417 * [taylor]: Taking taylor expansion of y in x
0.417 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.417 * [taylor]: Taking taylor expansion of x in x
0.418 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.418 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.418 * [taylor]: Taking taylor expansion of y in x
0.418 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.418 * [taylor]: Taking taylor expansion of x in x
0.418 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.418 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.418 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.418 * [taylor]: Taking taylor expansion of x in x
0.418 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.418 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.419 * [taylor]: Taking taylor expansion of y in x
0.420 * [taylor]: Taking taylor expansion of (* -1 (/ (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))))) in x
0.420 * [taylor]: Taking taylor expansion of -1 in x
0.420 * [taylor]: Taking taylor expansion of (/ (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) (+ (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.420 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) in x
0.420 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.420 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.420 * [taylor]: Taking taylor expansion of y in x
0.420 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.420 * [taylor]: Taking taylor expansion of x in x
0.420 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.421 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.421 * [taylor]: Taking taylor expansion of y in x
0.421 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.421 * [taylor]: Taking taylor expansion of x in x
0.421 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.421 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.421 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.421 * [taylor]: Taking taylor expansion of x in x
0.421 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.421 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.421 * [taylor]: Taking taylor expansion of y in x
0.423 * [taylor]: Taking taylor expansion of 1 in y
0.426 * [taylor]: Taking taylor expansion of 0 in y
0.431 * [taylor]: Taking taylor expansion of (- (* 2 (/ 1 (pow y 2)))) in y
0.431 * [taylor]: Taking taylor expansion of (* 2 (/ 1 (pow y 2))) in y
0.431 * [taylor]: Taking taylor expansion of 2 in y
0.431 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.431 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.431 * [taylor]: Taking taylor expansion of y in y
0.439 * [taylor]: Taking taylor expansion of 0 in y
0.439 * * * [progress]: simplifying candidates
0.442 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (log (+ (* x x) (* y y))) (log (+ x y)))
  (log (/ (+ (* x x) (* y y)) (+ x y)))
  (exp (/ (+ (* x x) (* y y)) (+ x y)))
  (/ (* (* (+ (* x x) (* y y)) (+ (* x x) (* y y))) (+ (* x x) (* y y))) (* (* (+ x y) (+ x 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 x) (* y y)))
  (- (+ x y))
  (/ (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (cbrt (+ (* x x) (* y y))) (cbrt (+ x y)))
  (/ (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))) (sqrt (+ x y)))
  (/ (cbrt (+ (* x x) (* y y))) (sqrt (+ x y)))
  (/ (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))) 1)
  (/ (cbrt (+ (* x x) (* y y))) (+ x y))
  (/ (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))) 1)
  (/ (cbrt (+ (* x x) (* y y))) (+ x y))
  (/ (sqrt (+ (* x x) (* y y))) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (sqrt (+ (* x x) (* y y))) (cbrt (+ x y)))
  (/ (sqrt (+ (* x x) (* y y))) (sqrt (+ x y)))
  (/ (sqrt (+ (* x x) (* y y))) (sqrt (+ x y)))
  (/ (sqrt (+ (* x x) (* y y))) 1)
  (/ (sqrt (+ (* x x) (* y y))) (+ x y))
  (/ (sqrt (+ (* x x) (* y y))) 1)
  (/ (sqrt (+ (* x x) (* y y))) (+ x y))
  (/ 1 (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (+ (* x x) (* y y)) (cbrt (+ x y)))
  (/ 1 (sqrt (+ x y)))
  (/ (+ (* x x) (* y y)) (sqrt (+ x y)))
  (/ 1 1)
  (/ (+ (* x x) (* y y)) (+ x y))
  (/ 1 1)
  (/ (+ (* x x) (* y y)) (+ x y))
  (/ 1 (+ x y))
  (/ (+ x y) (+ (* x x) (* y y)))
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  (/ (- x y) (/ (sqrt (+ (* x x) (* y y))) (sqrt (+ x y))))
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  (/ (- x y) (/ (+ (* x x) (* y y)) (- (* x x) (* y y))))
  (/ (/ (+ (* x x) (* y y)) (+ x y)) (cbrt (- x y)))
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  (/ (/ (+ (* x x) (* y y)) (+ x y)) (- x y))
  (/ (/ (+ (* x x) (* y y)) (+ x y)) (- (sqrt x) (sqrt y)))
  (/ (/ (+ (* x x) (* y y)) (+ x 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 y)) (+ x y))
  (- y x)
  (- x y)
  (- x y)
  -1
  1
  1
0.457 * * [simplify]: iteration  0 :  677  enodes  (cost  2255 )
0.470 * * [simplify]: iteration  1 :  3023  enodes  (cost  2178 )
0.515 * * [simplify]: iteration  2 :  5002  enodes  (cost  2175 )
0.525 * [simplify]: Simplified to:
   (log (/ (+ (* x x) (* y y)) (+ x y)))
  (log (/ (+ (* x x) (* y y)) (+ x y)))
  (exp (/ (+ (* x x) (* y y)) (+ x y)))
  (pow (/ (+ (* x x) (* y y)) (+ x y)) 3)
  (* (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 x) (* y y)))
  (- (+ x y))
  (/ (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (cbrt (+ (* x x) (* y y))) (cbrt (+ x y)))
  (/ (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))) (sqrt (+ x y)))
  (/ (cbrt (+ (* x x) (* y y))) (sqrt (+ x y)))
  (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y))))
  (/ (cbrt (+ (* x x) (* y y))) (+ x y))
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  (/ (cbrt (+ (* x x) (* y y))) (+ x y))
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  (/ (sqrt (+ (* x x) (* y y))) (cbrt (+ x y)))
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  (/ (sqrt (+ (* x x) (* y y))) (sqrt (+ x y)))
  (sqrt (+ (* x x) (* y y)))
  (/ (sqrt (+ (* x x) (* y y))) (+ x y))
  (sqrt (+ (* x x) (* y y)))
  (/ (sqrt (+ (* x x) (* y y))) (+ x y))
  (/ 1 (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (+ (* x x) (* y y)) (cbrt (+ x y)))
  (/ 1 (sqrt (+ x y)))
  (/ (+ (* x x) (* y y)) (sqrt (+ x y)))
  1
  (/ (+ (* x x) (* y y)) (+ x y))
  1
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  (+ (* x x) (* y y))
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  (/ (+ x y) (cbrt (+ (* x x) (* y y))))
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  (/ (+ (* x x) (* y y)) (+ (pow x 3) (pow y 3)))
  (/ (/ (+ (* x x) (* y y)) (+ x y)) (- x y))
  (* (+ (* (* y y) (- (* y y) (* x x))) (* (pow x 3) x)) (+ x y))
  (* (+ x y) (- (* x x) (* y y)))
  (log (/ (- x y) (/ (+ (* x x) (* y y)) (+ x y))))
  (log (/ (- x y) (/ (+ (* x x) (* y y)) (+ x y))))
  (log (/ (- x y) (/ (+ (* x x) (* y y)) (+ x y))))
  (exp (/ (- x y) (/ (+ (* x x) (* y y)) (+ x y))))
  (pow (/ (- x y) (/ (+ (* x x) (* y y)) (+ x y))) 3)
  (pow (/ (- x y) (/ (+ (* x x) (* y y)) (+ x y))) 3)
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  (cbrt (/ (- x y) (/ (+ (* x x) (* y y)) (+ x y))))
  (pow (/ (- x y) (/ (+ (* x x) (* y y)) (+ x y))) 3)
  (sqrt (/ (- x y) (/ (+ (* x x) (* y y)) (+ x y))))
  (sqrt (/ (- x y) (/ (+ (* x x) (* y y)) (+ x y))))
  (- (- x y))
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  (/ (* (cbrt (- x y)) (cbrt (- x y))) (* (cbrt (/ (+ (* x x) (* y y)) (+ x y))) (cbrt (/ (+ (* x x) (* y y)) (+ x y)))))
  (/ (cbrt (- x y)) (cbrt (/ (+ (* x x) (* y y)) (+ x y))))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (sqrt (/ (+ (* x x) (* y y)) (+ x y))))
  (/ (cbrt (- x y)) (sqrt (/ (+ (* x x) (* y y)) (+ x y))))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (/ (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))) (* (cbrt (+ x y)) (cbrt (+ x y)))))
  (/ (cbrt (- x y)) (/ (cbrt (+ (* x x) (* y y))) (cbrt (+ x y))))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (/ (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))) (sqrt (+ x y))))
  (/ (cbrt (- x y)) (/ (cbrt (+ (* x x) (* y y))) (sqrt (+ x y))))
  (/ (cbrt (- x y)) (/ (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))) (cbrt (- x y))))
  (/ (cbrt (- x y)) (/ (cbrt (+ (* x x) (* y y))) (+ x y)))
  (/ (cbrt (- x y)) (/ (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))) (cbrt (- x y))))
  (/ (cbrt (- x 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)))))
  (/ (cbrt (- x y)) (/ (sqrt (+ (* x x) (* y y))) (cbrt (+ x y))))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (/ (sqrt (+ (* x x) (* y y))) (sqrt (+ x y))))
  (/ (cbrt (- x y)) (/ (sqrt (+ (* x x) (* y y))) (sqrt (+ x y))))
  (/ (cbrt (- x y)) (/ (sqrt (+ (* x x) (* y y))) (cbrt (- x y))))
  (/ (cbrt (- x y)) (/ (sqrt (+ (* x x) (* y y))) (+ x y)))
  (/ (cbrt (- x y)) (/ (sqrt (+ (* x x) (* y y))) (cbrt (- x y))))
  (/ (cbrt (- x y)) (/ (sqrt (+ (* x x) (* y y))) (+ x y)))
  (* (* (cbrt (- x y)) (cbrt (- x y))) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (cbrt (- x y)) (/ (+ (* x x) (* y y)) (cbrt (+ x y))))
  (* (* (cbrt (- x y)) (cbrt (- x y))) (sqrt (+ x y)))
  (/ (cbrt (- x y)) (/ (+ (* x x) (* y y)) (sqrt (+ x y))))
  (* (cbrt (- x y)) (cbrt (- x y)))
  (/ (cbrt (- x y)) (/ (+ (* x x) (* y y)) (+ x y)))
  (* (cbrt (- x y)) (cbrt (- x y)))
  (/ (cbrt (- x y)) (/ (+ (* x x) (* y y)) (+ x y)))
  (* (cbrt (- x y)) (cbrt (- x y)))
  (/ (cbrt (- x y)) (/ (+ (* x x) (* y y)) (+ x y)))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (+ (* x x) (* y y)))
  (* (+ x y) (cbrt (- x y)))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (/ (+ (* x x) (* y y)) (+ (pow x 3) (pow y 3))))
  (/ (cbrt (- x y)) (+ (* x x) (- (* y y) (* x y))))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (/ (+ (* x x) (* y y)) (- (* x x) (* y y))))
  (/ (cbrt (- x y)) (- x y))
  (/ (sqrt (- x y)) (* (cbrt (/ (+ (* x x) (* y y)) (+ x y))) (cbrt (/ (+ (* x x) (* y y)) (+ x y)))))
  (/ (sqrt (- x y)) (cbrt (/ (+ (* x x) (* y y)) (+ x y))))
  (/ (sqrt (- x y)) (sqrt (/ (+ (* x x) (* y y)) (+ x y))))
  (/ (sqrt (- x y)) (sqrt (/ (+ (* x x) (* y y)) (+ x y))))
  (/ (sqrt (- x y)) (/ (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))) (* (cbrt (+ x y)) (cbrt (+ x y)))))
  (/ (sqrt (- x y)) (/ (cbrt (+ (* x x) (* y y))) (cbrt (+ x y))))
  (/ (sqrt (- x y)) (/ (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))) (sqrt (+ x y))))
  (/ (sqrt (- x y)) (/ (cbrt (+ (* x x) (* y y))) (sqrt (+ x y))))
  (/ (sqrt (- x y)) (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))))
  (/ (sqrt (- x y)) (/ (cbrt (+ (* x x) (* y y))) (+ x y)))
  (/ (sqrt (- x y)) (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))))
  (/ (sqrt (- x y)) (/ (cbrt (+ (* x x) (* y y))) (+ x y)))
  (/ (sqrt (- x y)) (/ (sqrt (+ (* x x) (* y y))) (* (cbrt (+ x y)) (cbrt (+ x y)))))
  (/ (sqrt (- x y)) (/ (sqrt (+ (* x x) (* y y))) (cbrt (+ x y))))
  (/ (sqrt (- x y)) (/ (sqrt (+ (* 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))))
  (/ (sqrt (- x y)) (/ (sqrt (+ (* x x) (* y y))) (+ x y)))
  (/ (sqrt (- x y)) (sqrt (+ (* x x) (* y y))))
  (/ (sqrt (- x y)) (/ (sqrt (+ (* x x) (* y y))) (+ x y)))
  (* (sqrt (- x y)) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (sqrt (- x y)) (/ (+ (* x x) (* y y)) (cbrt (+ x y))))
  (* (sqrt (- x y)) (sqrt (+ x y)))
  (/ (sqrt (- x y)) (/ (+ (* x x) (* y y)) (sqrt (+ x y))))
  (sqrt (- x y))
  (/ (sqrt (- x y)) (/ (+ (* x x) (* y y)) (+ x y)))
  (sqrt (- x y))
  (/ (sqrt (- x y)) (/ (+ (* x x) (* y y)) (+ x y)))
  (sqrt (- x y))
  (/ (sqrt (- x y)) (/ (+ (* x x) (* y y)) (+ x y)))
  (/ (sqrt (- x y)) (+ (* x x) (* y y)))
  (* (sqrt (- x y)) (+ x y))
  (/ (sqrt (- x y)) (/ (+ (* x x) (* y y)) (+ (pow x 3) (pow y 3))))
  (/ (sqrt (- x y)) (+ (* y (- y x)) (* x x)))
  (/ (sqrt (- x y)) (/ (+ (* x x) (* y y)) (- (* x x) (* y y))))
  (/ (sqrt (- x y)) (- x y))
  (/ 1 (* (cbrt (/ (+ (* x x) (* y y)) (+ x y))) (cbrt (/ (+ (* x x) (* y y)) (+ x y)))))
  (/ (- x y) (cbrt (/ (+ (* x x) (* y y)) (+ x y))))
  (/ 1 (sqrt (/ (+ (* x x) (* y y)) (+ x y))))
  (/ (- x y) (sqrt (/ (+ (* 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 x) (* y y))) (cbrt (+ x y))))
  (/ (sqrt (+ x y)) (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))))
  (/ (- x y) (/ (cbrt (+ (* x x) (* y y))) (sqrt (+ x y))))
  (/ 1 (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))))
  (/ (- x y) (/ (cbrt (+ (* x x) (* y y))) (+ x y)))
  (/ 1 (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))))
  (/ (- x y) (/ (cbrt (+ (* x x) (* y y))) (+ x y)))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (sqrt (+ (* x x) (* y y))))
  (/ (- x y) (/ (sqrt (+ (* x x) (* y y))) (cbrt (+ x y))))
  (/ (sqrt (+ x y)) (sqrt (+ (* x x) (* y y))))
  (/ (- x y) (/ (sqrt (+ (* x x) (* y y))) (sqrt (+ x y))))
  (/ 1 (sqrt (+ (* x x) (* y y))))
  (/ (- x y) (/ (sqrt (+ (* x x) (* y y))) (+ x y)))
  (/ 1 (sqrt (+ (* x x) (* y y))))
  (/ (- x y) (/ (sqrt (+ (* x x) (* y y))) (+ x y)))
  (* (cbrt (+ x y)) (cbrt (+ x y)))
  (/ (- x y) (/ (+ (* x x) (* y y)) (cbrt (+ x y))))
  (sqrt (+ x y))
  (/ (- x y) (/ (+ (* x x) (* y y)) (sqrt (+ x y))))
  1
  (/ (- x y) (/ (+ (* x x) (* y y)) (+ x y)))
  1
  (/ (- x y) (/ (+ (* x x) (* y y)) (+ x y)))
  1
  (/ (- x y) (/ (+ (* x x) (* y y)) (+ x y)))
  (/ 1 (+ (* x x) (* y y)))
  (* (- x y) (+ x y))
  (/ 1 (/ (+ (* x x) (* y y)) (+ (pow x 3) (pow y 3))))
  (/ (- x y) (+ (* x x) (- (* y y) (* x y))))
  (/ (- x y) (/ (+ (* x x) (* y y)) (+ x y)))
  1
  (/ (+ (sqrt x) (sqrt y)) (* (cbrt (/ (+ (* x x) (* y y)) (+ x y))) (cbrt (/ (+ (* x x) (* y y)) (+ x y)))))
  (/ (- (sqrt x) (sqrt y)) (cbrt (/ (+ (* x x) (* y y)) (+ x y))))
  (/ (+ (sqrt x) (sqrt y)) (sqrt (/ (+ (* x x) (* y y)) (+ x y))))
  (/ (- (sqrt x) (sqrt y)) (sqrt (/ (+ (* x x) (* y y)) (+ x y))))
  (/ (+ (sqrt x) (sqrt y)) (/ (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))) (* (cbrt (+ x y)) (cbrt (+ x y)))))
  (/ (- (sqrt x) (sqrt y)) (/ (cbrt (+ (* x x) (* y y))) (cbrt (+ x y))))
  (/ (+ (sqrt x) (sqrt y)) (/ (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))) (sqrt (+ x y))))
  (/ (- (sqrt x) (sqrt y)) (/ (cbrt (+ (* x x) (* y y))) (sqrt (+ x y))))
  (/ (+ (sqrt x) (sqrt y)) (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))))
  (/ (- (sqrt x) (sqrt y)) (/ (cbrt (+ (* x x) (* y y))) (+ x y)))
  (/ (+ (sqrt x) (sqrt y)) (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))))
  (/ (- (sqrt x) (sqrt y)) (/ (cbrt (+ (* x x) (* y y))) (+ x y)))
  (/ (+ (sqrt x) (sqrt y)) (/ (sqrt (+ (* x x) (* y y))) (* (cbrt (+ x y)) (cbrt (+ x y)))))
  (/ (- (sqrt x) (sqrt y)) (/ (sqrt (+ (* x x) (* y y))) (cbrt (+ x y))))
  (/ (+ (sqrt x) (sqrt y)) (/ (sqrt (+ (* x x) (* y y))) (sqrt (+ x y))))
  (/ (- (sqrt x) (sqrt y)) (/ (sqrt (+ (* x x) (* y y))) (sqrt (+ x y))))
  (/ (+ (sqrt x) (sqrt y)) (sqrt (+ (* x x) (* y y))))
  (/ (- (sqrt x) (sqrt y)) (/ (sqrt (+ (* x x) (* y y))) (+ x y)))
  (/ (+ (sqrt x) (sqrt y)) (sqrt (+ (* x x) (* y y))))
  (/ (- (sqrt x) (sqrt y)) (/ (sqrt (+ (* x x) (* y y))) (+ x y)))
  (* (+ (sqrt x) (sqrt y)) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (- (sqrt x) (sqrt y)) (/ (+ (* x x) (* y y)) (cbrt (+ x y))))
  (* (+ (sqrt x) (sqrt y)) (sqrt (+ x y)))
  (/ (- (sqrt x) (sqrt y)) (/ (+ (* x x) (* y y)) (sqrt (+ x y))))
  (+ (sqrt x) (sqrt y))
  (/ (- (sqrt x) (sqrt y)) (/ (+ (* x x) (* y y)) (+ x y)))
  (+ (sqrt x) (sqrt y))
  (/ (- (sqrt x) (sqrt y)) (/ (+ (* x x) (* y y)) (+ x y)))
  (+ (sqrt x) (sqrt y))
  (/ (- (sqrt x) (sqrt y)) (/ (+ (* x x) (* y y)) (+ x y)))
  (/ (+ (sqrt x) (sqrt y)) (+ (* x x) (* y y)))
  (* (+ x y) (- (sqrt x) (sqrt y)))
  (/ (+ (sqrt x) (sqrt y)) (/ (+ (* x x) (* y y)) (+ (pow x 3) (pow y 3))))
  (/ (- (sqrt x) (sqrt y)) (+ (* x x) (- (* y y) (* x y))))
  (/ (+ (sqrt x) (sqrt y)) (/ (+ (* x x) (* y y)) (- (* x x) (* y y))))
  (/ (- (sqrt x) (sqrt y)) (- x y))
  (/ 1 (* (cbrt (/ (+ (* x x) (* y y)) (+ x y))) (cbrt (/ (+ (* x x) (* y y)) (+ x y)))))
  (/ (- x y) (cbrt (/ (+ (* x x) (* y y)) (+ x y))))
  (/ 1 (sqrt (/ (+ (* x x) (* y y)) (+ x y))))
  (/ (- x y) (sqrt (/ (+ (* 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 x) (* y y))) (cbrt (+ x y))))
  (/ (sqrt (+ x y)) (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))))
  (/ (- x y) (/ (cbrt (+ (* x x) (* y y))) (sqrt (+ x y))))
  (/ 1 (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))))
  (/ (- x y) (/ (cbrt (+ (* x x) (* y y))) (+ x y)))
  (/ 1 (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))))
  (/ (- x y) (/ (cbrt (+ (* x x) (* y y))) (+ x y)))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (sqrt (+ (* x x) (* y y))))
  (/ (- x y) (/ (sqrt (+ (* x x) (* y y))) (cbrt (+ x y))))
  (/ (sqrt (+ x y)) (sqrt (+ (* x x) (* y y))))
  (/ (- x y) (/ (sqrt (+ (* x x) (* y y))) (sqrt (+ x y))))
  (/ 1 (sqrt (+ (* x x) (* y y))))
  (/ (- x y) (/ (sqrt (+ (* x x) (* y y))) (+ x y)))
  (/ 1 (sqrt (+ (* x x) (* y y))))
  (/ (- x y) (/ (sqrt (+ (* x x) (* y y))) (+ x y)))
  (* (cbrt (+ x y)) (cbrt (+ x y)))
  (/ (- x y) (/ (+ (* x x) (* y y)) (cbrt (+ x y))))
  (sqrt (+ x y))
  (/ (- x y) (/ (+ (* x x) (* y y)) (sqrt (+ x y))))
  1
  (/ (- x y) (/ (+ (* x x) (* y y)) (+ x y)))
  1
  (/ (- x y) (/ (+ (* x x) (* y y)) (+ x y)))
  1
  (/ (- x y) (/ (+ (* x x) (* y y)) (+ x y)))
  (/ 1 (+ (* x x) (* y y)))
  (* (- x y) (+ x y))
  (/ 1 (/ (+ (* x x) (* y y)) (+ (pow x 3) (pow y 3))))
  (/ (- x y) (+ (* x x) (- (* y y) (* x y))))
  (/ (- x y) (/ (+ (* x x) (* y y)) (+ x y)))
  1
  (/ 1 (/ (+ (* x x) (* y y)) (+ x y)))
  (/ (/ (+ (* x x) (* y y)) (+ x y)) (- x y))
  (/ (- x y) (* (cbrt (/ (+ (* x x) (* y y)) (+ x y))) (cbrt (/ (+ (* x x) (* y y)) (+ x y)))))
  (/ (- x y) (sqrt (/ (+ (* x x) (* y y)) (+ x y))))
  (/ (- x y) (/ (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))) (* (cbrt (+ x y)) (cbrt (+ x y)))))
  (/ (- x y) (/ (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))) (sqrt (+ x y))))
  (/ (- x y) (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))))
  (/ (- x y) (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))))
  (/ (- x y) (/ (sqrt (+ (* x x) (* y y))) (* (cbrt (+ x y)) (cbrt (+ x y)))))
  (/ (- x y) (/ (sqrt (+ (* x x) (* y y))) (sqrt (+ x y))))
  (/ (- x y) (sqrt (+ (* x x) (* y y))))
  (/ (- x y) (sqrt (+ (* x x) (* y y))))
  (* (- x y) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (* (- x y) (sqrt (+ x y)))
  (- x y)
  (- x y)
  (- x y)
  (/ (- x y) (+ (* x x) (* y y)))
  (/ (- x y) (/ (+ (* x x) (* y y)) (+ (pow x 3) (pow y 3))))
  (/ (- x y) (/ (+ (* x x) (* y y)) (- (* x x) (* y y))))
  (/ (/ (+ (* x x) (* y y)) (+ x y)) (cbrt (- x y)))
  (/ (/ (+ (* x x) (* y y)) (+ x y)) (sqrt (- x y)))
  (/ (/ (+ (* x x) (* y y)) (+ x y)) (- x y))
  (/ (/ (+ (* x x) (* y y)) (+ x y)) (- (sqrt x) (sqrt y)))
  (/ (/ (+ (* x x) (* y y)) (+ x y)) (- x y))
  (/ (- x y) (+ (* x x) (* y y)))
  (* (+ (* y (+ y x)) (* x x)) (/ (+ (* x x) (* y y)) (+ x y)))
  (* (/ (+ (* x x) (* y y)) (+ x y)) (+ x y))
  (- y x)
  (- x y)
  (- x y)
  -1
  1
  1
0.526 * * * [progress]: adding candidates to table
0.835 * * [progress]: iteration 3 / 4
0.835 * * * [progress]: picking best candidate
0.837 * * * * [pick]: Picked  #<alt (λ (x y) -1)>
0.837 * * * [progress]: localizing error
0.838 * * * [progress]: generating rewritten candidates
0.838 * * * [progress]: generating series expansions
0.838 * * * [progress]: simplifying candidates
0.838 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.840 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.840 * [simplify]: Simplified to:
   
0.840 * * * [progress]: adding candidates to table
0.841 * * [progress]: iteration 4 / 4
0.841 * * * [progress]: picking best candidate
0.842 * * * * [pick]: Picked  #<alt (λ (x y) (/ (- x y) (- x y)))>
0.842 * * * [progress]: localizing error
0.845 * * * [progress]: generating rewritten candidates
0.845 * * * [progress]: generating series expansions
0.845 * * * [progress]: simplifying candidates
0.845 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.848 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.848 * [simplify]: Simplified to:
   
0.848 * * * [progress]: adding candidates to table
0.848 * [progress]: [Phase 3 of 3] Extracting.
0.848 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (/ (- x y) (- x y)))> #<alt (λ (x y) -1)> #<alt (λ (x y) (/ (- x y) (/ (+ (* x x) (* y y)) (+ x y))))> #<alt (λ (x y) (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))>)
0.848 * * * [regime-changes]: Trying 3 branch expressions: ((/ (* (- x y) (+ x y)) (+ (* x x) (* y y))) y x)
0.848 * * * * [regimes]: Trying to branch on (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))) from (#<alt (λ (x y) (/ (- x y) (- x y)))> #<alt (λ (x y) -1)> #<alt (λ (x y) (/ (- x y) (/ (+ (* x x) (* y y)) (+ x y))))> #<alt (λ (x y) (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))>)
0.866 * * * * [regimes]: Trying to branch on (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))) from (#<alt (λ (x y) -1)> #<alt (λ (x y) (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))>)
0.876 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (/ (- x y) (- x y)))> #<alt (λ (x y) -1)> #<alt (λ (x y) (/ (- x y) (/ (+ (* x x) (* y y)) (+ x y))))> #<alt (λ (x y) (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))>)
0.907 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (/ (- x y) (- x y)))> #<alt (λ (x y) -1)> #<alt (λ (x y) (/ (- x y) (/ (+ (* x x) (* y y)) (+ x y))))> #<alt (λ (x y) (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))>)
0.927 * * * [regime]: Found split indices: #<option (#s(si 1 47) #s(si 3 124) #s(si 0 213) #s(si 3 255))>
0.928 * [binary-search]: Improving bounds with binary search for y and (#<alt (λ (x y) (/ (- x y) (- x y)))> #<alt (λ (x y) -1)> #<alt (λ (x y) (/ (- x y) (/ (+ (* x x) (* y y)) (+ x y))))> #<alt (λ (x y) (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))>)
1.018 * [regimes]: Found splitpoints: (#s(sp 1 y -1.6408172527037173e+149) #s(sp 3 y -1.75047117514698e-136) #s(sp 0 y 1.7784148690303961e-177) #s(sp 3 y +nan.0)) , with alts (#<alt (λ (x y) (/ (- x y) (- x y)))> #<alt (λ (x y) -1)> #<alt (λ (x y) (/ (- x y) (/ (+ (* x x) (* y y)) (+ x y))))> #<alt (λ (x y) (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))>)
1.018 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (if (<= y -1.6408172527037173e+149) -1 (if (<= y -1.75047117514698e-136) (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))) (if (<= y 1.7784148690303961e-177) (/ (- x y) (- x y)) (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))))
1.019 * * [simplify]: iteration  0 :  26  enodes  (cost  17 )
1.019 * * [simplify]: iteration  1 :  26  enodes  (cost  17 )
1.019 * [simplify]: Simplified to:
   (if (<= y -1.6408172527037173e+149) -1 (if (<= y -1.75047117514698e-136) (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))) (if (<= y 1.7784148690303961e-177) (/ (- x y) (- x y)) (/ (* (- x y) (+ x y)) (+ (* x x) (* y y))))))
1.596 * [regime-testing]: Baseline error score: 20.613107297051112
1.596 * [regime-testing]: Oracle error score: 0.5088456818381276
1.597 * [regime-testing]: End program error score: 6.128558983742894
1.627 * [regime-testing]: Target error score: 0.09338828239250493