0.744 * [progress]: [Phase 1 of 3] Setting up.
0.003 * * * [progress]: [1/2] Preparing points
0.314 * * * [progress]: [2/2] Setting up program.
0.318 * [progress]: [Phase 2 of 3] Improving.
0.320 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* 0.5 (- (* x x) y))
0.325 * * [simplify]: iteration  0 :  9  enodes  (cost  3 )
0.326 * * [simplify]: iteration  1 :  16  enodes  (cost  3 )
0.327 * * [simplify]: iteration  2 :  26  enodes  (cost  3 )
0.328 * * [simplify]: iteration  3 :  33  enodes  (cost  3 )
0.329 * * [simplify]: iteration  4 :  33  enodes  (cost  3 )
0.330 * [simplify]: Simplified to:
   (* 0.5 (- (* x x) y))
0.332 * * [progress]: iteration 1 / 4
0.332 * * * [progress]: picking best candidate
0.335 * * * * [pick]: Picked  #<alt (λ (x y) (* 0.5 (- (* x x) y)))>
0.335 * * * [progress]: localizing error
0.342 * * * [progress]: generating rewritten candidates
0.342 * * * * [progress]: [ 1 / 1 ] rewriting at (2 2)
0.349 * * * [progress]: generating series expansions
0.349 * * * * [progress]: [ 1 / 1 ] generating series at (2 2)
0.354 * [approximate]: Taking taylor expansion of (- (pow x 2) y) in (x y) around 0
0.355 * [taylor]: Taking taylor expansion of (- (pow x 2) y) in y
0.355 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.355 * [taylor]: Taking taylor expansion of x in y
0.355 * [taylor]: Taking taylor expansion of y in y
0.355 * [taylor]: Taking taylor expansion of (- (pow x 2) y) 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 y in x
0.355 * [taylor]: Taking taylor expansion of (- (pow x 2) y) 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 y in x
0.356 * [taylor]: Taking taylor expansion of (neg y) in y
0.356 * [taylor]: Taking taylor expansion of y in y
0.356 * [taylor]: Taking taylor expansion of 0 in y
0.356 * [taylor]: Taking taylor expansion of 1 in y
0.357 * [taylor]: Taking taylor expansion of 0 in y
0.357 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in (x y) around 0
0.357 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in y
0.357 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.357 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.357 * [taylor]: Taking taylor expansion of x in y
0.357 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.357 * [taylor]: Taking taylor expansion of y in y
0.357 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.357 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.357 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.358 * [taylor]: Taking taylor expansion of x in x
0.358 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.358 * [taylor]: Taking taylor expansion of y in x
0.358 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x
0.358 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.358 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.358 * [taylor]: Taking taylor expansion of x in x
0.358 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.358 * [taylor]: Taking taylor expansion of y in x
0.358 * [taylor]: Taking taylor expansion of 1 in y
0.358 * [taylor]: Taking taylor expansion of 0 in y
0.358 * [taylor]: Taking taylor expansion of (neg (/ 1 y)) in y
0.358 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.358 * [taylor]: Taking taylor expansion of y in y
0.359 * [taylor]: Taking taylor expansion of 0 in y
0.359 * [taylor]: Taking taylor expansion of 0 in y
0.360 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in (x y) around 0
0.360 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in y
0.360 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.360 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.360 * [taylor]: Taking taylor expansion of x in y
0.360 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.360 * [taylor]: Taking taylor expansion of y in y
0.360 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.360 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.360 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.360 * [taylor]: Taking taylor expansion of x in x
0.360 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.360 * [taylor]: Taking taylor expansion of y in x
0.360 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x
0.360 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.360 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.360 * [taylor]: Taking taylor expansion of x in x
0.360 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.360 * [taylor]: Taking taylor expansion of y in x
0.360 * [taylor]: Taking taylor expansion of 1 in y
0.360 * [taylor]: Taking taylor expansion of 0 in y
0.360 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.360 * [taylor]: Taking taylor expansion of y in y
0.360 * [taylor]: Taking taylor expansion of 0 in y
0.361 * [taylor]: Taking taylor expansion of 0 in y
0.361 * * * [progress]: simplifying candidates
0.362 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (exp (* x x)) (exp y))
  (log (- (* x x) y))
  (exp (- (* x x) y))
  (* (cbrt (- (* x x) y)) (cbrt (- (* x x) y)))
  (cbrt (- (* x x) y))
  (* (* (- (* x x) y) (- (* x x) y)) (- (* x x) y))
  (sqrt (- (* x x) y))
  (sqrt (- (* x x) y))
  (- (pow (* x x) 3) (pow y 3))
  (+ (* (* x x) (* x x)) (+ (* y y) (* (* x x) y)))
  (neg y)
  (- (* (* x x) (* x x)) (* y y))
  (+ (* x x) y)
  (+ x (sqrt y))
  (- x (sqrt y))
  (neg y)
  (- (pow x 2) y)
  (- (pow x 2) y)
  (- (pow x 2) y)
0.364 * * [simplify]: iteration  0 :  73  enodes  (cost  63 )
0.366 * * [simplify]: iteration  1 :  216  enodes  (cost  56 )
0.369 * * [simplify]: iteration  2 :  535  enodes  (cost  56 )
0.380 * * [simplify]: iteration  3 :  1794  enodes  (cost  56 )
0.428 * * [simplify]: iteration  4 :  5001  enodes  (cost  56 )
0.429 * [simplify]: Simplified to:
   (exp (- (* x x) y))
  (log (- (* x x) y))
  (exp (- (* x x) y))
  (* (cbrt (- (* x x) y)) (cbrt (- (* x x) y)))
  (cbrt (- (* x x) y))
  (pow (- (pow x 2) y) 3)
  (sqrt (- (* x x) y))
  (sqrt (- (* x x) y))
  (- (pow (* x x) 3) (pow y 3))
  (+ (+ (pow x 4) (* (* x x) y)) (* y y))
  (- 0 y)
  (+ (neg (* y y)) (pow x 4))
  (+ (* x x) y)
  (+ x (sqrt y))
  (- x (sqrt y))
  (- 0 y)
  (- (pow x 2) y)
  (- (pow x 2) y)
  (- (pow x 2) y)
0.429 * * * [progress]: adding candidates to table
0.478 * * [progress]: iteration 2 / 4
0.478 * * * [progress]: picking best candidate
0.481 * * * * [pick]: Picked  #<alt (λ (x y) (* 0.5 (* (+ x (sqrt y)) (- x (sqrt y)))))>
0.481 * * * [progress]: localizing error
0.489 * * * [progress]: generating rewritten candidates
0.489 * * * * [progress]: [ 1 / 3 ] rewriting at (2 2)
0.499 * * * * [progress]: [ 2 / 3 ] rewriting at (2 2 1)
0.502 * * * * [progress]: [ 3 / 3 ] rewriting at (2 2 2)
0.507 * * * [progress]: generating series expansions
0.507 * * * * [progress]: [ 1 / 3 ] generating series at (2 2)
0.508 * [approximate]: Taking taylor expansion of (* (- x (sqrt y)) (+ x (sqrt y))) in (x y) around 0
0.508 * [taylor]: Taking taylor expansion of (* (- x (sqrt y)) (+ x (sqrt y))) in y
0.508 * [taylor]: Taking taylor expansion of (- x (sqrt y)) in y
0.508 * [taylor]: Taking taylor expansion of x in y
0.508 * [taylor]: Taking taylor expansion of (sqrt y) in y
0.508 * [taylor]: Taking taylor expansion of y in y
0.508 * [taylor]: Taking taylor expansion of (+ x (sqrt y)) in y
0.508 * [taylor]: Taking taylor expansion of x in y
0.508 * [taylor]: Taking taylor expansion of (sqrt y) in y
0.508 * [taylor]: Taking taylor expansion of y in y
0.508 * [taylor]: Taking taylor expansion of (* (- x (sqrt y)) (+ x (sqrt y))) in x
0.508 * [taylor]: Taking taylor expansion of (- x (sqrt y)) in x
0.508 * [taylor]: Taking taylor expansion of x in x
0.508 * [taylor]: Taking taylor expansion of (sqrt y) in x
0.508 * [taylor]: Taking taylor expansion of y in x
0.508 * [taylor]: Taking taylor expansion of (+ x (sqrt y)) in x
0.508 * [taylor]: Taking taylor expansion of x in x
0.508 * [taylor]: Taking taylor expansion of (sqrt y) in x
0.508 * [taylor]: Taking taylor expansion of y in x
0.508 * [taylor]: Taking taylor expansion of (* (- x (sqrt y)) (+ x (sqrt y))) in x
0.508 * [taylor]: Taking taylor expansion of (- x (sqrt y)) in x
0.508 * [taylor]: Taking taylor expansion of x in x
0.508 * [taylor]: Taking taylor expansion of (sqrt y) in x
0.508 * [taylor]: Taking taylor expansion of y in x
0.508 * [taylor]: Taking taylor expansion of (+ x (sqrt y)) in x
0.508 * [taylor]: Taking taylor expansion of x in x
0.508 * [taylor]: Taking taylor expansion of (sqrt y) in x
0.508 * [taylor]: Taking taylor expansion of y in x
0.509 * [taylor]: Taking taylor expansion of (* -1 y) in y
0.509 * [taylor]: Taking taylor expansion of -1 in y
0.509 * [taylor]: Taking taylor expansion of y in y
0.509 * [taylor]: Taking taylor expansion of 0 in y
0.509 * [taylor]: Taking taylor expansion of 1 in y
0.510 * [taylor]: Taking taylor expansion of 0 in y
0.510 * [approximate]: Taking taylor expansion of (* (- (/ 1 x) (sqrt (/ 1 y))) (+ (sqrt (/ 1 y)) (/ 1 x))) in (x y) around 0
0.510 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (sqrt (/ 1 y))) (+ (sqrt (/ 1 y)) (/ 1 x))) in y
0.510 * [taylor]: Taking taylor expansion of (- (/ 1 x) (sqrt (/ 1 y))) in y
0.510 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.510 * [taylor]: Taking taylor expansion of x in y
0.510 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in y
0.510 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.510 * [taylor]: Taking taylor expansion of y in y
0.510 * [taylor]: Taking taylor expansion of (+ (sqrt (/ 1 y)) (/ 1 x)) in y
0.510 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in y
0.510 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.510 * [taylor]: Taking taylor expansion of y in y
0.510 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.510 * [taylor]: Taking taylor expansion of x in y
0.510 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (sqrt (/ 1 y))) (+ (sqrt (/ 1 y)) (/ 1 x))) in x
0.510 * [taylor]: Taking taylor expansion of (- (/ 1 x) (sqrt (/ 1 y))) in x
0.510 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.510 * [taylor]: Taking taylor expansion of x in x
0.510 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in x
0.510 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.510 * [taylor]: Taking taylor expansion of y in x
0.510 * [taylor]: Taking taylor expansion of (+ (sqrt (/ 1 y)) (/ 1 x)) in x
0.510 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in x
0.510 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.510 * [taylor]: Taking taylor expansion of y in x
0.511 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.511 * [taylor]: Taking taylor expansion of x in x
0.511 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (sqrt (/ 1 y))) (+ (sqrt (/ 1 y)) (/ 1 x))) in x
0.511 * [taylor]: Taking taylor expansion of (- (/ 1 x) (sqrt (/ 1 y))) in x
0.511 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.511 * [taylor]: Taking taylor expansion of x in x
0.511 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in x
0.511 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.511 * [taylor]: Taking taylor expansion of y in x
0.511 * [taylor]: Taking taylor expansion of (+ (sqrt (/ 1 y)) (/ 1 x)) in x
0.511 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in x
0.511 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.511 * [taylor]: Taking taylor expansion of y in x
0.511 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.511 * [taylor]: Taking taylor expansion of x in x
0.511 * [taylor]: Taking taylor expansion of 1 in y
0.511 * [taylor]: Taking taylor expansion of 0 in y
0.512 * [taylor]: Taking taylor expansion of (neg (/ 1 y)) in y
0.512 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.512 * [taylor]: Taking taylor expansion of y in y
0.512 * [taylor]: Taking taylor expansion of 0 in y
0.513 * [taylor]: Taking taylor expansion of 0 in y
0.513 * [taylor]: Taking taylor expansion of 0 in y
0.514 * [approximate]: Taking taylor expansion of (* -1 (* (+ (sqrt (/ -1 y)) (/ 1 x)) (- (sqrt (/ -1 y)) (/ 1 x)))) in (x y) around 0
0.514 * [taylor]: Taking taylor expansion of (* -1 (* (+ (sqrt (/ -1 y)) (/ 1 x)) (- (sqrt (/ -1 y)) (/ 1 x)))) in y
0.514 * [taylor]: Taking taylor expansion of -1 in y
0.514 * [taylor]: Taking taylor expansion of (* (+ (sqrt (/ -1 y)) (/ 1 x)) (- (sqrt (/ -1 y)) (/ 1 x))) in y
0.514 * [taylor]: Taking taylor expansion of (+ (sqrt (/ -1 y)) (/ 1 x)) in y
0.514 * [taylor]: Taking taylor expansion of (sqrt (/ -1 y)) in y
0.514 * [taylor]: Taking taylor expansion of (/ -1 y) in y
0.514 * [taylor]: Taking taylor expansion of -1 in y
0.514 * [taylor]: Taking taylor expansion of y in y
0.514 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.514 * [taylor]: Taking taylor expansion of x in y
0.514 * [taylor]: Taking taylor expansion of (- (sqrt (/ -1 y)) (/ 1 x)) in y
0.514 * [taylor]: Taking taylor expansion of (sqrt (/ -1 y)) in y
0.514 * [taylor]: Taking taylor expansion of (/ -1 y) in y
0.514 * [taylor]: Taking taylor expansion of -1 in y
0.514 * [taylor]: Taking taylor expansion of y in y
0.514 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.514 * [taylor]: Taking taylor expansion of x in y
0.514 * [taylor]: Taking taylor expansion of (* -1 (* (+ (sqrt (/ -1 y)) (/ 1 x)) (- (sqrt (/ -1 y)) (/ 1 x)))) in x
0.514 * [taylor]: Taking taylor expansion of -1 in x
0.514 * [taylor]: Taking taylor expansion of (* (+ (sqrt (/ -1 y)) (/ 1 x)) (- (sqrt (/ -1 y)) (/ 1 x))) in x
0.514 * [taylor]: Taking taylor expansion of (+ (sqrt (/ -1 y)) (/ 1 x)) in x
0.514 * [taylor]: Taking taylor expansion of (sqrt (/ -1 y)) in x
0.514 * [taylor]: Taking taylor expansion of (/ -1 y) in x
0.514 * [taylor]: Taking taylor expansion of -1 in x
0.514 * [taylor]: Taking taylor expansion of y in x
0.515 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.515 * [taylor]: Taking taylor expansion of x in x
0.515 * [taylor]: Taking taylor expansion of (- (sqrt (/ -1 y)) (/ 1 x)) in x
0.515 * [taylor]: Taking taylor expansion of (sqrt (/ -1 y)) in x
0.515 * [taylor]: Taking taylor expansion of (/ -1 y) in x
0.515 * [taylor]: Taking taylor expansion of -1 in x
0.515 * [taylor]: Taking taylor expansion of y in x
0.515 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.515 * [taylor]: Taking taylor expansion of x in x
0.515 * [taylor]: Taking taylor expansion of (* -1 (* (+ (sqrt (/ -1 y)) (/ 1 x)) (- (sqrt (/ -1 y)) (/ 1 x)))) in x
0.515 * [taylor]: Taking taylor expansion of -1 in x
0.515 * [taylor]: Taking taylor expansion of (* (+ (sqrt (/ -1 y)) (/ 1 x)) (- (sqrt (/ -1 y)) (/ 1 x))) in x
0.515 * [taylor]: Taking taylor expansion of (+ (sqrt (/ -1 y)) (/ 1 x)) in x
0.515 * [taylor]: Taking taylor expansion of (sqrt (/ -1 y)) in x
0.515 * [taylor]: Taking taylor expansion of (/ -1 y) in x
0.515 * [taylor]: Taking taylor expansion of -1 in x
0.515 * [taylor]: Taking taylor expansion of y in x
0.515 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.515 * [taylor]: Taking taylor expansion of x in x
0.515 * [taylor]: Taking taylor expansion of (- (sqrt (/ -1 y)) (/ 1 x)) in x
0.515 * [taylor]: Taking taylor expansion of (sqrt (/ -1 y)) in x
0.515 * [taylor]: Taking taylor expansion of (/ -1 y) in x
0.515 * [taylor]: Taking taylor expansion of -1 in x
0.515 * [taylor]: Taking taylor expansion of y in x
0.515 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.515 * [taylor]: Taking taylor expansion of x in x
0.515 * [taylor]: Taking taylor expansion of 1 in y
0.516 * [taylor]: Taking taylor expansion of 0 in y
0.516 * [taylor]: Taking taylor expansion of (neg (pow (sqrt (/ -1 y)) 2)) in y
0.516 * [taylor]: Taking taylor expansion of (pow (sqrt (/ -1 y)) 2) in y
0.516 * [taylor]: Taking taylor expansion of (sqrt (/ -1 y)) in y
0.516 * [taylor]: Taking taylor expansion of (/ -1 y) in y
0.516 * [taylor]: Taking taylor expansion of -1 in y
0.516 * [taylor]: Taking taylor expansion of y in y
0.517 * [taylor]: Taking taylor expansion of 0 in y
0.517 * [taylor]: Taking taylor expansion of 0 in y
0.518 * [taylor]: Taking taylor expansion of 0 in y
0.519 * * * * [progress]: [ 2 / 3 ] generating series at (2 2 1)
0.520 * [approximate]: Taking taylor expansion of (+ x (sqrt y)) in (x y) around 0
0.520 * [taylor]: Taking taylor expansion of (+ x (sqrt y)) in y
0.520 * [taylor]: Taking taylor expansion of x in y
0.520 * [taylor]: Taking taylor expansion of (sqrt y) in y
0.520 * [taylor]: Taking taylor expansion of y in y
0.520 * [taylor]: Taking taylor expansion of (+ x (sqrt y)) in x
0.520 * [taylor]: Taking taylor expansion of x in x
0.520 * [taylor]: Taking taylor expansion of (sqrt y) in x
0.520 * [taylor]: Taking taylor expansion of y in x
0.520 * [taylor]: Taking taylor expansion of (+ x (sqrt y)) in x
0.520 * [taylor]: Taking taylor expansion of x in x
0.520 * [taylor]: Taking taylor expansion of (sqrt y) in x
0.520 * [taylor]: Taking taylor expansion of y in x
0.520 * [taylor]: Taking taylor expansion of (sqrt y) in y
0.520 * [taylor]: Taking taylor expansion of y in y
0.520 * [taylor]: Taking taylor expansion of 1 in y
0.520 * [taylor]: Taking taylor expansion of 0 in y
0.521 * [approximate]: Taking taylor expansion of (+ (sqrt (/ 1 y)) (/ 1 x)) in (x y) around 0
0.521 * [taylor]: Taking taylor expansion of (+ (sqrt (/ 1 y)) (/ 1 x)) in y
0.521 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in y
0.521 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.521 * [taylor]: Taking taylor expansion of y in y
0.521 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.521 * [taylor]: Taking taylor expansion of x in y
0.521 * [taylor]: Taking taylor expansion of (+ (sqrt (/ 1 y)) (/ 1 x)) in x
0.521 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in x
0.521 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.521 * [taylor]: Taking taylor expansion of y in x
0.521 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.521 * [taylor]: Taking taylor expansion of x in x
0.521 * [taylor]: Taking taylor expansion of (+ (sqrt (/ 1 y)) (/ 1 x)) in x
0.521 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in x
0.521 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.521 * [taylor]: Taking taylor expansion of y in x
0.521 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.521 * [taylor]: Taking taylor expansion of x in x
0.521 * [taylor]: Taking taylor expansion of 1 in y
0.521 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in y
0.521 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.521 * [taylor]: Taking taylor expansion of y in y
0.522 * [taylor]: Taking taylor expansion of 0 in y
0.522 * [taylor]: Taking taylor expansion of 0 in y
0.522 * [approximate]: Taking taylor expansion of (- (sqrt (/ -1 y)) (/ 1 x)) in (x y) around 0
0.522 * [taylor]: Taking taylor expansion of (- (sqrt (/ -1 y)) (/ 1 x)) in y
0.522 * [taylor]: Taking taylor expansion of (sqrt (/ -1 y)) in y
0.522 * [taylor]: Taking taylor expansion of (/ -1 y) in y
0.522 * [taylor]: Taking taylor expansion of -1 in y
0.522 * [taylor]: Taking taylor expansion of y in y
0.522 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.522 * [taylor]: Taking taylor expansion of x in y
0.522 * [taylor]: Taking taylor expansion of (- (sqrt (/ -1 y)) (/ 1 x)) in x
0.522 * [taylor]: Taking taylor expansion of (sqrt (/ -1 y)) in x
0.522 * [taylor]: Taking taylor expansion of (/ -1 y) in x
0.522 * [taylor]: Taking taylor expansion of -1 in x
0.522 * [taylor]: Taking taylor expansion of y in x
0.523 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.523 * [taylor]: Taking taylor expansion of x in x
0.523 * [taylor]: Taking taylor expansion of (- (sqrt (/ -1 y)) (/ 1 x)) in x
0.523 * [taylor]: Taking taylor expansion of (sqrt (/ -1 y)) in x
0.523 * [taylor]: Taking taylor expansion of (/ -1 y) in x
0.523 * [taylor]: Taking taylor expansion of -1 in x
0.523 * [taylor]: Taking taylor expansion of y in x
0.523 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.523 * [taylor]: Taking taylor expansion of x in x
0.523 * [taylor]: Taking taylor expansion of (neg 1) in y
0.523 * [taylor]: Taking taylor expansion of 1 in y
0.523 * [taylor]: Taking taylor expansion of (sqrt (/ -1 y)) in y
0.523 * [taylor]: Taking taylor expansion of (/ -1 y) in y
0.523 * [taylor]: Taking taylor expansion of -1 in y
0.523 * [taylor]: Taking taylor expansion of y in y
0.523 * [taylor]: Taking taylor expansion of 0 in y
0.523 * [taylor]: Taking taylor expansion of 0 in y
0.524 * * * * [progress]: [ 3 / 3 ] generating series at (2 2 2)
0.524 * [approximate]: Taking taylor expansion of (- x (sqrt y)) in (x y) around 0
0.524 * [taylor]: Taking taylor expansion of (- x (sqrt y)) in y
0.524 * [taylor]: Taking taylor expansion of x in y
0.524 * [taylor]: Taking taylor expansion of (sqrt y) in y
0.524 * [taylor]: Taking taylor expansion of y in y
0.524 * [taylor]: Taking taylor expansion of (- x (sqrt y)) in x
0.524 * [taylor]: Taking taylor expansion of x in x
0.524 * [taylor]: Taking taylor expansion of (sqrt y) in x
0.524 * [taylor]: Taking taylor expansion of y in x
0.524 * [taylor]: Taking taylor expansion of (- x (sqrt y)) in x
0.524 * [taylor]: Taking taylor expansion of x in x
0.524 * [taylor]: Taking taylor expansion of (sqrt y) in x
0.524 * [taylor]: Taking taylor expansion of y in x
0.524 * [taylor]: Taking taylor expansion of (neg (sqrt y)) in y
0.524 * [taylor]: Taking taylor expansion of (sqrt y) in y
0.524 * [taylor]: Taking taylor expansion of y in y
0.524 * [taylor]: Taking taylor expansion of 1 in y
0.524 * [taylor]: Taking taylor expansion of 0 in y
0.525 * [approximate]: Taking taylor expansion of (- (/ 1 x) (sqrt (/ 1 y))) in (x y) around 0
0.525 * [taylor]: Taking taylor expansion of (- (/ 1 x) (sqrt (/ 1 y))) in y
0.525 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.525 * [taylor]: Taking taylor expansion of x in y
0.525 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in y
0.525 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.525 * [taylor]: Taking taylor expansion of y in y
0.525 * [taylor]: Taking taylor expansion of (- (/ 1 x) (sqrt (/ 1 y))) in x
0.525 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.525 * [taylor]: Taking taylor expansion of x in x
0.525 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in x
0.525 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.525 * [taylor]: Taking taylor expansion of y in x
0.525 * [taylor]: Taking taylor expansion of (- (/ 1 x) (sqrt (/ 1 y))) in x
0.525 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.525 * [taylor]: Taking taylor expansion of x in x
0.525 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in x
0.525 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.525 * [taylor]: Taking taylor expansion of y in x
0.526 * [taylor]: Taking taylor expansion of 1 in y
0.526 * [taylor]: Taking taylor expansion of (neg (sqrt (/ 1 y))) in y
0.526 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in y
0.526 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.526 * [taylor]: Taking taylor expansion of y in y
0.526 * [taylor]: Taking taylor expansion of 0 in y
0.526 * [taylor]: Taking taylor expansion of 0 in y
0.527 * [approximate]: Taking taylor expansion of (neg (+ (sqrt (/ -1 y)) (/ 1 x))) in (x y) around 0
0.527 * [taylor]: Taking taylor expansion of (neg (+ (sqrt (/ -1 y)) (/ 1 x))) in y
0.527 * [taylor]: Taking taylor expansion of (+ (sqrt (/ -1 y)) (/ 1 x)) in y
0.527 * [taylor]: Taking taylor expansion of (sqrt (/ -1 y)) in y
0.527 * [taylor]: Taking taylor expansion of (/ -1 y) in y
0.527 * [taylor]: Taking taylor expansion of -1 in y
0.527 * [taylor]: Taking taylor expansion of y in y
0.527 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.527 * [taylor]: Taking taylor expansion of x in y
0.527 * [taylor]: Taking taylor expansion of (neg (+ (sqrt (/ -1 y)) (/ 1 x))) in x
0.527 * [taylor]: Taking taylor expansion of (+ (sqrt (/ -1 y)) (/ 1 x)) in x
0.527 * [taylor]: Taking taylor expansion of (sqrt (/ -1 y)) in x
0.527 * [taylor]: Taking taylor expansion of (/ -1 y) in x
0.527 * [taylor]: Taking taylor expansion of -1 in x
0.527 * [taylor]: Taking taylor expansion of y in x
0.527 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.527 * [taylor]: Taking taylor expansion of x in x
0.527 * [taylor]: Taking taylor expansion of (neg (+ (sqrt (/ -1 y)) (/ 1 x))) in x
0.527 * [taylor]: Taking taylor expansion of (+ (sqrt (/ -1 y)) (/ 1 x)) in x
0.527 * [taylor]: Taking taylor expansion of (sqrt (/ -1 y)) in x
0.527 * [taylor]: Taking taylor expansion of (/ -1 y) in x
0.527 * [taylor]: Taking taylor expansion of -1 in x
0.527 * [taylor]: Taking taylor expansion of y in x
0.527 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.527 * [taylor]: Taking taylor expansion of x in x
0.527 * [taylor]: Taking taylor expansion of (neg 1) in y
0.527 * [taylor]: Taking taylor expansion of 1 in y
0.527 * [taylor]: Taking taylor expansion of (neg (sqrt (/ -1 y))) in y
0.527 * [taylor]: Taking taylor expansion of (sqrt (/ -1 y)) in y
0.527 * [taylor]: Taking taylor expansion of (/ -1 y) in y
0.527 * [taylor]: Taking taylor expansion of -1 in y
0.527 * [taylor]: Taking taylor expansion of y in y
0.528 * [taylor]: Taking taylor expansion of 0 in y
0.528 * [taylor]: Taking taylor expansion of 0 in y
0.528 * * * [progress]: simplifying candidates
0.529 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (+ x (sqrt y)) (- x (sqrt y)))
  (+ (log (+ x (sqrt y))) (log (- x (sqrt y))))
  (log (* (+ x (sqrt y)) (- x (sqrt y))))
  (exp (* (+ x (sqrt y)) (- x (sqrt y))))
  (* (* (* (+ x (sqrt y)) (+ x (sqrt y))) (+ x (sqrt y))) (* (* (- x (sqrt y)) (- x (sqrt y))) (- x (sqrt y))))
  (* (cbrt (* (+ x (sqrt y)) (- x (sqrt y)))) (cbrt (* (+ x (sqrt y)) (- x (sqrt y)))))
  (cbrt (* (+ x (sqrt y)) (- x (sqrt y))))
  (* (* (* (+ x (sqrt y)) (- x (sqrt y))) (* (+ x (sqrt y)) (- x (sqrt y)))) (* (+ x (sqrt y)) (- x (sqrt y))))
  (sqrt (* (+ x (sqrt y)) (- x (sqrt y))))
  (sqrt (* (+ x (sqrt y)) (- x (sqrt y))))
  (* (+ (pow x 3) (pow (sqrt y) 3)) (- (pow x 3) (pow (sqrt y) 3)))
  (* (+ (* x x) (- (* (sqrt y) (sqrt y)) (* x (sqrt y)))) (+ (* x x) (+ (* (sqrt y) (sqrt y)) (* x (sqrt y)))))
  (* (+ (pow x 3) (pow (sqrt y) 3)) (- (* x x) (* (sqrt y) (sqrt y))))
  (* (+ (* x x) (- (* (sqrt y) (sqrt y)) (* x (sqrt y)))) (+ x (sqrt y)))
  (* (- (* x x) (* (sqrt y) (sqrt y))) (- (pow x 3) (pow (sqrt y) 3)))
  (* (- x (sqrt y)) (+ (* x x) (+ (* (sqrt y) (sqrt y)) (* x (sqrt y)))))
  (* (- (* x x) (* (sqrt y) (sqrt y))) (- (* x x) (* (sqrt y) (sqrt y))))
  (* (- x (sqrt y)) (+ x (sqrt y)))
  (* (sqrt (+ x (sqrt y))) (sqrt (- x (sqrt y))))
  (* (sqrt (+ x (sqrt y))) (sqrt (- x (sqrt y))))
  (* (+ x (sqrt y)) x)
  (* (+ x (sqrt y)) (neg (sqrt y)))
  (* (+ x (sqrt y)) x)
  (* (+ x (sqrt y)) (neg (sqrt y)))
  (* x (+ x (sqrt y)))
  (* (neg (sqrt y)) (+ x (sqrt y)))
  (* x (+ x (sqrt y)))
  (* (neg (sqrt y)) (+ x (sqrt y)))
  (* (+ x (sqrt y)) (* (cbrt (- x (sqrt y))) (cbrt (- x (sqrt y)))))
  (* (+ x (sqrt y)) (sqrt (- x (sqrt y))))
  (* (+ x (sqrt y)) 1)
  (* (+ x (sqrt y)) (+ (sqrt x) (sqrt (sqrt y))))
  (* (+ x (sqrt y)) (+ (sqrt x) (sqrt (sqrt y))))
  (* (+ x (sqrt y)) 1)
  (* (cbrt (+ x (sqrt y))) (- x (sqrt y)))
  (* (sqrt (+ x (sqrt y))) (- x (sqrt y)))
  (* (+ x (sqrt y)) (- x (sqrt y)))
  (* (+ x (sqrt y)) (- x (sqrt y)))
  (* (+ x (sqrt y)) (- (pow x 3) (pow (sqrt y) 3)))
  (* (+ x (sqrt y)) (- (* x x) (* (sqrt y) (sqrt y))))
  (* (+ (pow x 3) (pow (sqrt y) 3)) (- x (sqrt y)))
  (* (- (* x x) (* (sqrt y) (sqrt y))) (- x (sqrt y)))
  (* (exp x) (exp (sqrt y)))
  (log (+ x (sqrt y)))
  (exp (+ x (sqrt y)))
  (* (cbrt (+ x (sqrt y))) (cbrt (+ x (sqrt y))))
  (cbrt (+ x (sqrt y)))
  (* (* (+ x (sqrt y)) (+ x (sqrt y))) (+ x (sqrt y)))
  (sqrt (+ x (sqrt y)))
  (sqrt (+ x (sqrt y)))
  (+ (pow x 3) (pow (sqrt y) 3))
  (+ (* x x) (- (* (sqrt y) (sqrt y)) (* x (sqrt y))))
  (- (* x x) (* (sqrt y) (sqrt y)))
  (- x (sqrt y))
  (+ x (sqrt y))
  (/ (exp x) (exp (sqrt y)))
  (log (- x (sqrt y)))
  (exp (- x (sqrt y)))
  (* (cbrt (- x (sqrt y))) (cbrt (- x (sqrt y))))
  (cbrt (- x (sqrt y)))
  (* (* (- x (sqrt y)) (- x (sqrt y))) (- x (sqrt y)))
  (sqrt (- x (sqrt y)))
  (sqrt (- x (sqrt y)))
  (- (pow x 3) (pow (sqrt y) 3))
  (+ (* x x) (+ (* (sqrt y) (sqrt y)) (* x (sqrt y))))
  (neg (sqrt y))
  (- (* x x) (* (sqrt y) (sqrt y)))
  (+ x (sqrt y))
  (+ (sqrt x) (sqrt (sqrt y)))
  (- (sqrt x) (sqrt (sqrt y)))
  (+ (sqrt x) (sqrt (sqrt y)))
  (- (sqrt x) (sqrt (sqrt y)))
  (- x (sqrt y))
  (neg (sqrt y))
  (- (pow x 2) y)
  (- (pow x 2) y)
  (- (+ (pow x 2) (* 2 (/ (pow NAN 4) y))) (pow NAN 2))
  (+ (* (pow NAN 3) (pow y 2)) (+ x (* NAN y)))
  (+ (/ (pow NAN 3) y) (+ NAN x))
  (- (+ NAN x) (/ (pow NAN 3) y))
  (- x (+ (* (pow NAN 3) (pow y 2)) (* NAN y)))
  (- x (+ (/ (pow NAN 3) y) NAN))
  (- (+ (/ (pow NAN 3) y) x) NAN)
0.534 * * [simplify]: iteration  0 :  276  enodes  (cost  427 )
0.539 * * [simplify]: iteration  1 :  1216  enodes  (cost  376 )
0.563 * * [simplify]: iteration  2 :  5002  enodes  (cost  365 )
0.570 * [simplify]: Simplified to:
   (- (pow x 2) y)
  (log (- (pow x 2) y))
  (log (- (pow x 2) y))
  (exp (- (pow x 2) y))
  (pow (- (pow x 2) y) 3)
  (* (cbrt (* (+ x (sqrt y)) (- x (sqrt y)))) (cbrt (* (+ x (sqrt y)) (- x (sqrt y)))))
  (cbrt (* (+ x (sqrt y)) (- x (sqrt y))))
  (pow (- (pow x 2) y) 3)
  (sqrt (* (+ x (sqrt y)) (- x (sqrt y))))
  (sqrt (* (+ x (sqrt y)) (- x (sqrt y))))
  (* (+ (pow x 3) (pow (sqrt y) 3)) (- (pow x 3) (pow (sqrt y) 3)))
  (* (+ (+ (pow x 2) y) (* x (sqrt y))) (- (+ (pow x 2) y) (* x (sqrt y))))
  (* (+ (pow x 3) (pow (sqrt y) 3)) (- (pow x 2) y))
  (* (+ x (sqrt y)) (- (+ (pow x 2) y) (* x (sqrt y))))
  (* (- (pow x 2) y) (- (pow x 3) (pow (sqrt y) 3)))
  (* (+ (+ (pow x 2) y) (* x (sqrt y))) (- x (sqrt y)))
  (* (- (pow x 2) y) (- (pow x 2) y))
  (- (pow x 2) y)
  (* (sqrt (+ x (sqrt y))) (sqrt (- x (sqrt y))))
  (* (sqrt (+ x (sqrt y))) (sqrt (- x (sqrt y))))
  (* x (+ x (sqrt y)))
  (* -1 (+ (* x (sqrt y)) y))
  (* x (+ x (sqrt y)))
  (* -1 (+ (* x (sqrt y)) y))
  (* x (+ x (sqrt y)))
  (* -1 (+ (* x (sqrt y)) y))
  (* x (+ x (sqrt y)))
  (* -1 (+ (* x (sqrt y)) y))
  (* (+ x (sqrt y)) (* (cbrt (- x (sqrt y))) (cbrt (- x (sqrt y)))))
  (* (+ x (sqrt y)) (sqrt (- x (sqrt y))))
  (+ x (sqrt y))
  (* (+ x (sqrt y)) (+ (sqrt x) (sqrt (sqrt y))))
  (* (+ x (sqrt y)) (+ (sqrt x) (sqrt (sqrt y))))
  (+ x (sqrt y))
  (* (cbrt (+ x (sqrt y))) (- x (sqrt y)))
  (* (sqrt (+ x (sqrt y))) (- x (sqrt y)))
  (- (pow x 2) y)
  (- (pow x 2) y)
  (* (+ x (sqrt y)) (- (pow x 3) (pow (sqrt y) 3)))
  (* (- (pow x 2) y) (+ x (sqrt y)))
  (* (+ (pow x 3) (pow (sqrt y) 3)) (- x (sqrt y)))
  (* (- (pow x 2) y) (- x (sqrt y)))
  (exp (+ x (sqrt y)))
  (log (+ x (sqrt y)))
  (exp (+ x (sqrt y)))
  (* (cbrt (+ x (sqrt y))) (cbrt (+ x (sqrt y))))
  (cbrt (+ x (sqrt y)))
  (pow (+ x (sqrt y)) 3)
  (sqrt (+ x (sqrt y)))
  (sqrt (+ x (sqrt y)))
  (+ (pow x 3) (pow (sqrt y) 3))
  (- (+ (pow x 2) y) (* x (sqrt y)))
  (- (pow x 2) y)
  (- x (sqrt y))
  (+ x (sqrt y))
  (exp (- x (sqrt y)))
  (log (- x (sqrt y)))
  (exp (- x (sqrt y)))
  (* (cbrt (- x (sqrt y))) (cbrt (- x (sqrt y))))
  (cbrt (- x (sqrt y)))
  (pow (- x (sqrt y)) 3)
  (sqrt (- x (sqrt y)))
  (sqrt (- x (sqrt y)))
  (- (pow x 3) (pow (sqrt y) 3))
  (+ (* x (+ x (sqrt y))) y)
  (neg (sqrt y))
  (- (pow x 2) y)
  (+ x (sqrt y))
  (+ (sqrt x) (sqrt (sqrt y)))
  (- (sqrt x) (sqrt (sqrt y)))
  (+ (sqrt x) (sqrt (sqrt y)))
  (- (sqrt x) (sqrt (sqrt y)))
  (- x (sqrt y))
  (neg (sqrt y))
  (- (pow x 2) y)
  (- (pow x 2) y)
  (- (+ (pow x 2) (* 2 (/ (pow NAN 4) y))) (pow NAN 2))
  (+ (* (pow NAN 3) (pow y 2)) (+ x (* NAN y)))
  (+ (/ (pow NAN 3) y) (+ NAN x))
  (- (+ NAN x) (/ (pow NAN 3) y))
  (- x (+ (* (pow NAN 3) (pow y 2)) (* NAN y)))
  (- x (+ (/ (pow NAN 3) y) NAN))
  (- (+ (/ (pow NAN 3) y) x) NAN)
0.570 * * * [progress]: adding candidates to table
0.810 * [progress]: [Phase 3 of 3] Extracting.
0.810 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (* 0.5 (* (+ x (sqrt y)) (- x (sqrt y)))))> #<alt (λ (x y) (* 0.5 (- (* x x) y)))>)
0.811 * * * [regime-changes]: Trying 5 branch expressions: ((* x x) (- (* x x) y) (* 0.5 (- (* x x) y)) y x)
0.811 * * * * [regimes]: Trying to branch on (* x x) from (#<alt (λ (x y) (* 0.5 (* (+ x (sqrt y)) (- x (sqrt y)))))> #<alt (λ (x y) (* 0.5 (- (* x x) y)))>)
0.846 * * * * [regimes]: Trying to branch on (- (* x x) y) from (#<alt (λ (x y) (* 0.5 (* (+ x (sqrt y)) (- x (sqrt y)))))> #<alt (λ (x y) (* 0.5 (- (* x x) y)))>)
0.877 * * * * [regimes]: Trying to branch on (* 0.5 (- (* x x) y)) from (#<alt (λ (x y) (* 0.5 (* (+ x (sqrt y)) (- x (sqrt y)))))> #<alt (λ (x y) (* 0.5 (- (* x x) y)))>)
0.911 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (* 0.5 (* (+ x (sqrt y)) (- x (sqrt y)))))> #<alt (λ (x y) (* 0.5 (- (* x x) y)))>)
0.943 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (* 0.5 (* (+ x (sqrt y)) (- x (sqrt y)))))> #<alt (λ (x y) (* 0.5 (- (* x x) y)))>)
0.976 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
0.977 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* 0.5 (- (* x x) y))
0.977 * * [simplify]: iteration  0 :  7  enodes  (cost  3 )
0.978 * * [simplify]: iteration  1 :  7  enodes  (cost  3 )
0.978 * [simplify]: Simplified to:
   (* 0.5 (- (* x x) y))
1.698 * [regime-testing]: Baseline error score: 0.029399915614632118
1.699 * [regime-testing]: Oracle error score: 0.02682647362179287
1.701 * [regime-testing]: End program error score: 0.029399915614632118