6.512 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.018 * * * [progress]: [2/2] Setting up program.
0.019 * [progress]: [Phase 2 of 3] Improving.
0.019 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (+ x y) (- x y))
0.022 * * [simplify]: iteration  0 :  9  enodes  (cost  3 )
0.023 * * [simplify]: iteration  1 :  24  enodes  (cost  3 )
0.025 * * [simplify]: iteration  2 :  53  enodes  (cost  3 )
0.026 * * [simplify]: iteration  3 :  130  enodes  (cost  3 )
0.029 * * [simplify]: iteration  4 :  205  enodes  (cost  3 )
0.032 * * [simplify]: iteration  5 :  295  enodes  (cost  3 )
0.036 * * [simplify]: iteration  6 :  446  enodes  (cost  3 )
0.044 * * [simplify]: iteration  7 :  1317  enodes  (cost  3 )
0.085 * * [simplify]: iteration  8 :  5002  enodes  (cost  3 )
0.085 * [simplify]: Simplified to:
   (* (+ x y) (- x y))
0.085 * * [progress]: iteration 1 / 4
0.085 * * * [progress]: picking best candidate
0.086 * * * * [pick]: Picked  #<alt (λ (x y) (* (+ x y) (- x y)))>
0.087 * * * [progress]: localizing error
0.091 * * * [progress]: generating rewritten candidates
0.091 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.096 * * * [progress]: generating series expansions
0.096 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.096 * [approximate]: Taking taylor expansion of (* (+ x y) (- x y)) in (x y) around 0
0.096 * [taylor]: Taking taylor expansion of (* (+ x y) (- x y)) in y
0.096 * [taylor]: Taking taylor expansion of (+ x y) in y
0.096 * [taylor]: Taking taylor expansion of x in y
0.096 * [taylor]: Taking taylor expansion of y in y
0.096 * [taylor]: Taking taylor expansion of (- x y) in y
0.096 * [taylor]: Taking taylor expansion of x in y
0.096 * [taylor]: Taking taylor expansion of y in y
0.096 * [taylor]: Taking taylor expansion of (* (+ x y) (- x y)) in x
0.096 * [taylor]: Taking taylor expansion of (+ x y) in x
0.096 * [taylor]: Taking taylor expansion of x in x
0.096 * [taylor]: Taking taylor expansion of y in x
0.096 * [taylor]: Taking taylor expansion of (- x y) in x
0.096 * [taylor]: Taking taylor expansion of x in x
0.096 * [taylor]: Taking taylor expansion of y in x
0.096 * [taylor]: Taking taylor expansion of (* (+ x y) (- x y)) in x
0.096 * [taylor]: Taking taylor expansion of (+ x y) in x
0.096 * [taylor]: Taking taylor expansion of x in x
0.096 * [taylor]: Taking taylor expansion of y in x
0.096 * [taylor]: Taking taylor expansion of (- x y) in x
0.096 * [taylor]: Taking taylor expansion of x in x
0.096 * [taylor]: Taking taylor expansion of y in x
0.096 * [taylor]: Taking taylor expansion of (* -1 (pow y 2)) in y
0.096 * [taylor]: Taking taylor expansion of -1 in y
0.096 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.096 * [taylor]: Taking taylor expansion of y in y
0.098 * [taylor]: Taking taylor expansion of 0 in y
0.099 * [taylor]: Taking taylor expansion of 1 in y
0.100 * [taylor]: Taking taylor expansion of 0 in y
0.103 * [taylor]: Taking taylor expansion of 0 in y
0.103 * [approximate]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) in (x y) around 0
0.103 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) in y
0.103 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.103 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.103 * [taylor]: Taking taylor expansion of x in y
0.103 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.103 * [taylor]: Taking taylor expansion of y in y
0.103 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.103 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.103 * [taylor]: Taking taylor expansion of y in y
0.104 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.104 * [taylor]: Taking taylor expansion of x in y
0.104 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) in x
0.104 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.104 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.104 * [taylor]: Taking taylor expansion of x in x
0.104 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.104 * [taylor]: Taking taylor expansion of y in x
0.104 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.104 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.104 * [taylor]: Taking taylor expansion of y in x
0.104 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.104 * [taylor]: Taking taylor expansion of x in x
0.105 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) in x
0.105 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.105 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.105 * [taylor]: Taking taylor expansion of x in x
0.105 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.105 * [taylor]: Taking taylor expansion of y in x
0.105 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.105 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.105 * [taylor]: Taking taylor expansion of y in x
0.105 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.105 * [taylor]: Taking taylor expansion of x in x
0.106 * [taylor]: Taking taylor expansion of 1 in y
0.107 * [taylor]: Taking taylor expansion of 0 in y
0.109 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2))) in y
0.109 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.109 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.109 * [taylor]: Taking taylor expansion of y in y
0.113 * [taylor]: Taking taylor expansion of 0 in y
0.116 * [taylor]: Taking taylor expansion of 0 in y
0.118 * [approximate]: Taking taylor expansion of (* -1 (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x)))) in (x y) around 0
0.118 * [taylor]: Taking taylor expansion of (* -1 (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x)))) in y
0.118 * [taylor]: Taking taylor expansion of -1 in y
0.118 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) in y
0.118 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.118 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.118 * [taylor]: Taking taylor expansion of y in y
0.118 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.118 * [taylor]: Taking taylor expansion of x in y
0.118 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.118 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.118 * [taylor]: Taking taylor expansion of y in y
0.119 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.119 * [taylor]: Taking taylor expansion of x in y
0.119 * [taylor]: Taking taylor expansion of (* -1 (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x)))) in x
0.119 * [taylor]: Taking taylor expansion of -1 in x
0.119 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) 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
0.119 * [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 (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x)))) in x
0.120 * [taylor]: Taking taylor expansion of -1 in x
0.120 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) in x
0.120 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.120 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.120 * [taylor]: Taking taylor expansion of y in x
0.120 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.120 * [taylor]: Taking taylor expansion of x in x
0.120 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.120 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.120 * [taylor]: Taking taylor expansion of y in x
0.120 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.120 * [taylor]: Taking taylor expansion of x in x
0.122 * [taylor]: Taking taylor expansion of 1 in y
0.123 * [taylor]: Taking taylor expansion of 0 in y
0.126 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2))) in y
0.126 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.126 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.126 * [taylor]: Taking taylor expansion of y in y
0.130 * [taylor]: Taking taylor expansion of 0 in y
0.135 * [taylor]: Taking taylor expansion of 0 in y
0.140 * * * [progress]: simplifying candidates
0.140 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (+ (pow x 3) (pow y 3)) (- (pow x 3) (pow y 3)))
  (* (+ (* x x) (- (* y y) (* x y))) (+ (* x x) (+ (* y y) (* x y))))
  (* (+ (pow x 3) (pow y 3)) (- (* x x) (* y y)))
  (* (+ (* x x) (- (* y y) (* 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 y) x)
  (* (+ x y) (- y))
  (* (+ x y) x)
  (* (+ x y) (- y))
  (* x (+ x y))
  (* (- y) (+ x y))
  (* x (+ x y))
  (* (- y) (+ x y))
  (* (+ x y) (- (pow x 3) (pow y 3)))
  (* (+ x y) (- (* x x) (* y y)))
  (* (+ (pow x 3) (pow y 3)) (- x y))
  (* (- (* x x) (* y y)) (- x y))
  (- (pow x 2) (pow y 2))
  (- (pow x 2) (pow y 2))
  (- (pow x 2) (pow y 2))
0.143 * * [simplify]: iteration  0 :  118  enodes  (cost  101 )
0.147 * * [simplify]: iteration  1 :  516  enodes  (cost  101 )
0.159 * * [simplify]: iteration  2 :  2354  enodes  (cost  101 )
0.213 * * [simplify]: iteration  3 :  5002  enodes  (cost  101 )
0.214 * [simplify]: Simplified to:
   (* (+ (pow x 3) (pow y 3)) (- (pow x 3) (pow y 3)))
  (* (+ (* y (+ y x)) (pow x 2)) (+ (* y (- y x)) (pow x 2)))
  (* (+ (pow x 3) (pow y 3)) (- (* x x) (* y y)))
  (* (+ x y) (+ (* y (- y x)) (pow x 2)))
  (* (- (* x x) (* y y)) (- (pow x 3) (pow y 3)))
  (* (+ (* y (+ y x)) (pow x 2)) (- 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 (+ x y))
  (* (- y) (+ x y))
  (* (+ x y) (- (pow x 3) (pow y 3)))
  (* (+ x y) (- (* x x) (* y y)))
  (* (+ (pow x 3) (pow y 3)) (- x y))
  (* (- (* x x) (* y y)) (- x y))
  (* (- x y) (+ x y))
  (* (- x y) (+ x y))
  (* (- x y) (+ x y))
0.214 * * * [progress]: adding candidates to table
0.239 * * [progress]: iteration 2 / 4
0.239 * * * [progress]: picking best candidate
0.240 * * * * [pick]: Picked  #<alt (λ (x y) (/ (* (+ x y) (- (* x x) (* y y))) (+ x y)))>
0.240 * * * [progress]: localizing error
0.248 * * * [progress]: generating rewritten candidates
0.248 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.258 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.266 * * * [progress]: generating series expansions
0.266 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.266 * [approximate]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in (x y) around 0
0.266 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in y
0.266 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.266 * [taylor]: Taking taylor expansion of x in y
0.266 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.266 * [taylor]: Taking taylor expansion of y in y
0.266 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in x
0.266 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.266 * [taylor]: Taking taylor expansion of x in x
0.266 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.266 * [taylor]: Taking taylor expansion of y in x
0.266 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in x
0.266 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.266 * [taylor]: Taking taylor expansion of x in x
0.266 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.266 * [taylor]: Taking taylor expansion of y in x
0.267 * [taylor]: Taking taylor expansion of (- (pow y 2)) in y
0.267 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.267 * [taylor]: Taking taylor expansion of y in y
0.267 * [taylor]: Taking taylor expansion of 0 in y
0.268 * [taylor]: Taking taylor expansion of 1 in y
0.270 * [taylor]: Taking taylor expansion of 0 in y
0.273 * [taylor]: Taking taylor expansion of 0 in y
0.273 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in (x y) around 0
0.273 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.273 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.273 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.273 * [taylor]: Taking taylor expansion of x in y
0.273 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.273 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.273 * [taylor]: Taking taylor expansion of y in y
0.274 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.274 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.274 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.274 * [taylor]: Taking taylor expansion of x in x
0.274 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.274 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.274 * [taylor]: Taking taylor expansion of y in x
0.274 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.275 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.275 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.275 * [taylor]: Taking taylor expansion of x in x
0.275 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.275 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.275 * [taylor]: Taking taylor expansion of y in x
0.275 * [taylor]: Taking taylor expansion of 1 in y
0.276 * [taylor]: Taking taylor expansion of 0 in y
0.278 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2))) in y
0.278 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.278 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.278 * [taylor]: Taking taylor expansion of y in y
0.283 * [taylor]: Taking taylor expansion of 0 in y
0.286 * [taylor]: Taking taylor expansion of 0 in y
0.288 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in (x y) around 0
0.288 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.288 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.288 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.288 * [taylor]: Taking taylor expansion of x in y
0.288 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.288 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.288 * [taylor]: Taking taylor expansion of y in y
0.288 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.289 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.289 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.289 * [taylor]: Taking taylor expansion of x in x
0.289 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.289 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.289 * [taylor]: Taking taylor expansion of y in x
0.289 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.289 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.289 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.289 * [taylor]: Taking taylor expansion of x in x
0.290 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.290 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.290 * [taylor]: Taking taylor expansion of y in x
0.290 * [taylor]: Taking taylor expansion of 1 in y
0.291 * [taylor]: Taking taylor expansion of 0 in y
0.292 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2))) in y
0.292 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.292 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.292 * [taylor]: Taking taylor expansion of y in y
0.295 * [taylor]: Taking taylor expansion of 0 in y
0.298 * [taylor]: Taking taylor expansion of 0 in y
0.299 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
0.300 * [approximate]: Taking taylor expansion of (* (- (pow x 2) (pow y 2)) (+ x y)) in (x y) around 0
0.300 * [taylor]: Taking taylor expansion of (* (- (pow x 2) (pow y 2)) (+ x y)) in y
0.300 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in y
0.300 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.300 * [taylor]: Taking taylor expansion of x in y
0.300 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.300 * [taylor]: Taking taylor expansion of y in y
0.300 * [taylor]: Taking taylor expansion of (+ x y) in y
0.300 * [taylor]: Taking taylor expansion of x in y
0.300 * [taylor]: Taking taylor expansion of y in y
0.300 * [taylor]: Taking taylor expansion of (* (- (pow x 2) (pow y 2)) (+ x y)) in x
0.300 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in x
0.300 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.300 * [taylor]: Taking taylor expansion of x in x
0.300 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.300 * [taylor]: Taking taylor expansion of y in x
0.300 * [taylor]: Taking taylor expansion of (+ x y) in x
0.300 * [taylor]: Taking taylor expansion of x in x
0.300 * [taylor]: Taking taylor expansion of y in x
0.300 * [taylor]: Taking taylor expansion of (* (- (pow x 2) (pow y 2)) (+ x y)) in x
0.300 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in x
0.300 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.300 * [taylor]: Taking taylor expansion of x in x
0.300 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.300 * [taylor]: Taking taylor expansion of y in x
0.300 * [taylor]: Taking taylor expansion of (+ x y) in x
0.300 * [taylor]: Taking taylor expansion of x in x
0.300 * [taylor]: Taking taylor expansion of y in x
0.300 * [taylor]: Taking taylor expansion of (* -1 (pow y 3)) in y
0.300 * [taylor]: Taking taylor expansion of -1 in y
0.300 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.300 * [taylor]: Taking taylor expansion of y in y
0.301 * [taylor]: Taking taylor expansion of (- (pow y 2)) in y
0.301 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.301 * [taylor]: Taking taylor expansion of y in y
0.303 * [taylor]: Taking taylor expansion of y in y
0.305 * [taylor]: Taking taylor expansion of 1 in y
0.306 * [approximate]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in (x y) around 0
0.306 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in y
0.306 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.306 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.306 * [taylor]: Taking taylor expansion of y in y
0.306 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.307 * [taylor]: Taking taylor expansion of x in y
0.307 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.307 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.307 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.307 * [taylor]: Taking taylor expansion of x in y
0.307 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.307 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.307 * [taylor]: Taking taylor expansion of y in y
0.307 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.307 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.307 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.307 * [taylor]: Taking taylor expansion of y in x
0.307 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.307 * [taylor]: Taking taylor expansion of x in x
0.308 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.308 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.308 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.308 * [taylor]: Taking taylor expansion of x in x
0.308 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.308 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.308 * [taylor]: Taking taylor expansion of y in x
0.308 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.308 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.308 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.308 * [taylor]: Taking taylor expansion of y in x
0.308 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.308 * [taylor]: Taking taylor expansion of x in x
0.309 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.309 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.309 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.309 * [taylor]: Taking taylor expansion of x in x
0.309 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.309 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.309 * [taylor]: Taking taylor expansion of y in x
0.310 * [taylor]: Taking taylor expansion of 1 in y
0.312 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.312 * [taylor]: Taking taylor expansion of y in y
0.315 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2))) in y
0.315 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.315 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.315 * [taylor]: Taking taylor expansion of y in y
0.318 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 3))) in y
0.319 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.319 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.319 * [taylor]: Taking taylor expansion of y in y
0.320 * [approximate]: Taking taylor expansion of (* -1 (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 (pow x 2)) (/ 1 (pow y 2))))) in (x y) around 0
0.320 * [taylor]: Taking taylor expansion of (* -1 (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 (pow x 2)) (/ 1 (pow y 2))))) in y
0.320 * [taylor]: Taking taylor expansion of -1 in y
0.321 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in y
0.321 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.321 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.321 * [taylor]: Taking taylor expansion of y in y
0.321 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.321 * [taylor]: Taking taylor expansion of x in y
0.321 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.321 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.321 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.321 * [taylor]: Taking taylor expansion of x in y
0.321 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.321 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.321 * [taylor]: Taking taylor expansion of y in y
0.322 * [taylor]: Taking taylor expansion of (* -1 (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 (pow x 2)) (/ 1 (pow y 2))))) in x
0.322 * [taylor]: Taking taylor expansion of -1 in x
0.322 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.322 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.322 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.322 * [taylor]: Taking taylor expansion of y in x
0.322 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.322 * [taylor]: Taking taylor expansion of x in x
0.322 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.322 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.322 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.322 * [taylor]: Taking taylor expansion of x in x
0.323 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.323 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.323 * [taylor]: Taking taylor expansion of y in x
0.323 * [taylor]: Taking taylor expansion of (* -1 (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 (pow x 2)) (/ 1 (pow y 2))))) in x
0.323 * [taylor]: Taking taylor expansion of -1 in x
0.323 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.323 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.323 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.323 * [taylor]: Taking taylor expansion of y in x
0.323 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.323 * [taylor]: Taking taylor expansion of x in x
0.323 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.323 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.323 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.323 * [taylor]: Taking taylor expansion of x in x
0.324 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.324 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.324 * [taylor]: Taking taylor expansion of y in x
0.325 * [taylor]: Taking taylor expansion of -1 in y
0.327 * [taylor]: Taking taylor expansion of (- (/ 1 y)) in y
0.327 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.327 * [taylor]: Taking taylor expansion of y in y
0.330 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.330 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.330 * [taylor]: Taking taylor expansion of y in y
0.334 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.334 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.334 * [taylor]: Taking taylor expansion of y in y
0.336 * * * [progress]: simplifying candidates
0.336 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (* (+ x y) (- (* x x) (* y y))))
  (- (+ x y))
  (/ 1 (+ x y))
  (/ (+ x y) (* (+ x y) (- (* x x) (* y y))))
  (/ (+ x y) (- (* x x) (* y y)))
  (/ (+ x y) (- x y))
  (/ (+ x y) (- x y))
  (/ (+ x y) (- x y))
  (/ (+ x y) (- x y))
  (/ (+ x y) (+ x y))
  (/ (* (+ x y) (- (* x x) (* y y))) (+ (pow x 3) (pow y 3)))
  (/ (* (+ x y) (- (* x x) (* y y))) (- (* x x) (* y y)))
  (* (+ x y) (* (+ (* x x) (- (* y y) (* x y))) (+ (* (* x x) (* x x)) (+ (* (* y y) (* y y)) (* (* x x) (* y y))))))
  (* (+ x y) (* (+ (* x x) (- (* y y) (* x y))) (+ (* x x) (* y y))))
  (* (+ x y) (* (- x y) (+ (* (* x x) (* x x)) (+ (* (* y y) (* y y)) (* (* x x) (* y y))))))
  (* (+ x y) (* (- x y) (+ (* x x) (* y y))))
  (* (+ x y) (+ (* (* x x) (* x x)) (+ (* (* y y) (* y y)) (* (* x x) (* y y)))))
  (* (+ x y) (+ (* x x) (* y y)))
  (* (+ x y) (+ (* x x) (- (* y y) (* x y))))
  (* (+ x y) (- x y))
  (* (+ (pow x 3) (pow y 3)) (- (pow (* x x) 3) (pow (* y y) 3)))
  (* (+ (* x x) (- (* y y) (* x y))) (+ (* (* x x) (* x x)) (+ (* (* y y) (* y y)) (* (* x x) (* y y)))))
  (* (+ (pow x 3) (pow y 3)) (- (* (* x x) (* x x)) (* (* y y) (* y y))))
  (* (+ (* x x) (- (* y y) (* x y))) (+ (* x x) (* y y)))
  (* (- (* x x) (* y 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 x) (* x x)) (* (* y y) (* y y))))
  (* (- x y) (+ (* x x) (* y y)))
  (* (+ x y) (* x x))
  (* (+ x y) (- (* y y)))
  (* (+ x y) (* x x))
  (* (+ x y) (- (* y y)))
  (* (* x x) (+ x y))
  (* (- (* y y)) (+ x y))
  (* (* x x) (+ x y))
  (* (- (* y y)) (+ x y))
  (* (+ x y) (+ x y))
  (* (+ x y) (+ x y))
  (* (+ x y) (+ x y))
  (* (+ x y) (+ x y))
  (* (+ x y) (- (pow (* x x) 3) (pow (* y y) 3)))
  (* (+ x y) (- (* (* x x) (* x x)) (* (* y y) (* y y))))
  (* (+ (pow x 3) (pow y 3)) (- (* x x) (* y y)))
  (* (- (* x x) (* y y)) (- (* x x) (* y y)))
  (- (pow x 2) (pow y 2))
  (- (pow x 2) (pow y 2))
  (- (pow x 2) (pow y 2))
  (- (+ (* (pow x 2) y) (pow x 3)) (* x (pow y 2)))
  (- (* (pow x 2) y) (+ (* x (pow y 2)) (pow y 3)))
  (- (* (pow x 2) y) (+ (* x (pow y 2)) (pow y 3)))
0.341 * * [simplify]: iteration  0 :  237  enodes  (cost  298 )
0.346 * * [simplify]: iteration  1 :  1137  enodes  (cost  284 )
0.372 * * [simplify]: iteration  2 :  5001  enodes  (cost  279 )
0.374 * [simplify]: Simplified to:
   (- (* (+ x y) (- (* x x) (* y y))))
  (- (+ x y))
  (/ 1 (+ x y))
  (/ 1 (- (* x x) (* y y)))
  (/ 1 (- x y))
  (/ (+ x y) (- x y))
  (/ (+ x y) (- x y))
  (/ (+ x y) (- x y))
  (/ (+ x y) (- x y))
  1
  (/ (* (+ x y) (- (* x x) (* y y))) (+ (pow x 3) (pow y 3)))
  (+ x y)
  (* (+ (+ (pow x 4) (* (* x x) (* y y))) (pow y 4)) (* (+ (* y (- y x)) (pow x 2)) (+ x y)))
  (* (* (+ (* x x) (* y y)) (+ (* y (- y x)) (pow x 2))) (+ x y))
  (* (+ (+ (pow x 4) (* (* x x) (* y y))) (pow y 4)) (- (* x x) (* y y)))
  (+ (* (- (pow y 3)) y) (pow x 4))
  (* (+ (* (pow y 2) (+ (pow y 2) (pow x 2))) (* (* x x) (* x x))) (+ x y))
  (* (+ x y) (+ (* x x) (* y y)))
  (* (+ (* y (- y x)) (pow x 2)) (+ x y))
  (- (* x x) (* y y))
  (* (+ (pow x 3) (pow y 3)) (- (pow (* x x) 3) (pow (* y y) 3)))
  (* (+ (* (pow y 2) (+ (pow y 2) (pow x 2))) (* (* x x) (* x x))) (+ (* y (- y x)) (pow x 2)))
  (* (+ (pow x 3) (pow y 3)) (- (* (* x x) (* x x)) (* (* y y) (* y y))))
  (* (+ (* x x) (* y y)) (+ (* y (- y x)) (pow x 2)))
  (* (- (* x x) (* y y)) (- (pow (* x x) 3) (pow (* y y) 3)))
  (* (+ (* (pow y 2) (+ (pow y 2) (pow x 2))) (* (* x x) (* x x))) (- x y))
  (* (- (* x x) (* y y)) (- (* (* x x) (* x x)) (* (* y y) (* y y))))
  (* (- x y) (+ (* x x) (* y y)))
  (* (* x x) (+ x y))
  (* (- (* y y)) (+ x y))
  (* (* x x) (+ x y))
  (* (- (* y y)) (+ x y))
  (* (* x x) (+ x y))
  (* (- (* y y)) (+ x y))
  (* (* x x) (+ x y))
  (* (- (* y y)) (+ x y))
  (* (+ x y) (+ x y))
  (* (+ x y) (+ x y))
  (* (+ x y) (+ x y))
  (* (+ x y) (+ x y))
  (* (+ x y) (- (pow (* x x) 3) (pow (* y y) 3)))
  (* (+ x y) (- (* (* x x) (* x x)) (* (* y y) (* y y))))
  (* (+ (pow x 3) (pow y 3)) (- (* x x) (* y y)))
  (* (- (* x x) (* y y)) (- (* x x) (* y y)))
  (- (* x x) (* y y))
  (- (* x x) (* y y))
  (- (* x x) (* y y))
  (* x (- (* x (+ x y)) (pow y 2)))
  (- (* (pow x 2) y) (+ (* x (pow y 2)) (pow y 3)))
  (- (* (pow x 2) y) (+ (* x (pow y 2)) (pow y 3)))
0.374 * * * [progress]: adding candidates to table
0.463 * [progress]: [Phase 3 of 3] Extracting.
0.463 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (* (+ x y) (- x y)))> #<alt (λ (x y) (/ (* (+ x y) (- (* x x) (* y y))) (+ x y)))>)
0.463 * * * [regime-changes]: Trying 3 branch expressions: ((* (+ x y) (- x y)) y x)
0.463 * * * * [regimes]: Trying to branch on (* (+ x y) (- x y)) from (#<alt (λ (x y) (* (+ x y) (- x y)))> #<alt (λ (x y) (/ (* (+ x y) (- (* x x) (* y y))) (+ x y)))>)
0.473 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (* (+ x y) (- x y)))> #<alt (λ (x y) (/ (* (+ x y) (- (* x x) (* y y))) (+ x y)))>)
0.484 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (* (+ x y) (- x y)))> #<alt (λ (x y) (/ (* (+ x y) (- (* x x) (* y y))) (+ x y)))>)
0.496 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
0.496 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (+ x y) (- x y))
0.497 * * [simplify]: iteration  0 :  7  enodes  (cost  3 )
0.497 * * [simplify]: iteration  1 :  7  enodes  (cost  3 )
0.497 * [simplify]: Simplified to:
   (* (+ x y) (- x y))
1.028 * [regime-testing]: Baseline error score: 0.0011251406425803225
1.029 * [regime-testing]: Oracle error score: 0.0005000625078134767
1.029 * [regime-testing]: End program error score: 0.0011251406425803225