13.106 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.046 * * * [progress]: [2/2] Setting up program.
0.049 * [progress]: [Phase 2 of 3] Improving.
0.049 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (sqrt (+ x y))
0.052 * * [simplify]: iteration  0 :  5  enodes  (cost  4 )
0.052 * * [simplify]: iteration  1 :  5  enodes  (cost  4 )
0.052 * [simplify]: Simplified to:
   (sqrt (+ x y))
0.052 * * [progress]: iteration 1 / 4
0.052 * * * [progress]: picking best candidate
0.054 * * * * [pick]: Picked  #<alt (λ (x y) (sqrt (+ x y)))>
0.054 * * * [progress]: localizing error
0.058 * * * [progress]: generating rewritten candidates
0.058 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.061 * * * [progress]: generating series expansions
0.061 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.061 * [approximate]: Taking taylor expansion of (sqrt (+ x y)) in (x y) around 0
0.061 * [taylor]: Taking taylor expansion of (sqrt (+ x y)) in y
0.061 * [taylor]: Taking taylor expansion of (+ x y) in y
0.061 * [taylor]: Taking taylor expansion of x in y
0.062 * [taylor]: Taking taylor expansion of y in y
0.062 * [taylor]: Taking taylor expansion of (sqrt (+ x y)) in x
0.062 * [taylor]: Taking taylor expansion of (+ x y) in x
0.062 * [taylor]: Taking taylor expansion of x in x
0.062 * [taylor]: Taking taylor expansion of y in x
0.062 * [taylor]: Taking taylor expansion of (sqrt (+ x y)) in x
0.062 * [taylor]: Taking taylor expansion of (+ x y) in x
0.062 * [taylor]: Taking taylor expansion of x in x
0.062 * [taylor]: Taking taylor expansion of y in x
0.062 * [taylor]: Taking taylor expansion of (sqrt y) in y
0.062 * [taylor]: Taking taylor expansion of y in y
0.062 * [taylor]: Taking taylor expansion of (* 1/2 (sqrt (/ 1 y))) in y
0.062 * [taylor]: Taking taylor expansion of 1/2 in y
0.062 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in y
0.062 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.062 * [taylor]: Taking taylor expansion of y in y
0.062 * [taylor]: Taking taylor expansion of (* -1/8 (sqrt (/ 1 (pow y 3)))) in y
0.062 * [taylor]: Taking taylor expansion of -1/8 in y
0.062 * [taylor]: Taking taylor expansion of (sqrt (/ 1 (pow y 3))) in y
0.062 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.062 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.062 * [taylor]: Taking taylor expansion of y in y
0.063 * [approximate]: Taking taylor expansion of (sqrt (+ (/ 1 y) (/ 1 x))) in (x y) around 0
0.063 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 y) (/ 1 x))) in y
0.063 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.063 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.063 * [taylor]: Taking taylor expansion of y in y
0.063 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.063 * [taylor]: Taking taylor expansion of x in y
0.063 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 y) (/ 1 x))) in x
0.063 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.063 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.063 * [taylor]: Taking taylor expansion of y in x
0.063 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.063 * [taylor]: Taking taylor expansion of x in x
0.063 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 y) (/ 1 x))) in x
0.063 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.063 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.063 * [taylor]: Taking taylor expansion of y in x
0.063 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.064 * [taylor]: Taking taylor expansion of x in x
0.064 * [taylor]: Taking taylor expansion of 0 in y
0.064 * [taylor]: Taking taylor expansion of NAN in y
0.064 * [taylor]: Taking taylor expansion of (* NAN (- (/ 1 y) (pow NAN 2))) in y
0.064 * [taylor]: Taking taylor expansion of NAN in y
0.064 * [taylor]: Taking taylor expansion of (- (/ 1 y) (pow NAN 2)) in y
0.064 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.064 * [taylor]: Taking taylor expansion of y in y
0.064 * [taylor]: Taking taylor expansion of (pow NAN 2) in y
0.064 * [taylor]: Taking taylor expansion of NAN in y
0.064 * [taylor]: Taking taylor expansion of (* NAN (- (* 2 (pow NAN 4)) (* 2 (/ (pow NAN 2) y)))) in y
0.064 * [taylor]: Taking taylor expansion of NAN in y
0.064 * [taylor]: Taking taylor expansion of (- (* 2 (pow NAN 4)) (* 2 (/ (pow NAN 2) y))) in y
0.064 * [taylor]: Taking taylor expansion of (* 2 (pow NAN 4)) in y
0.064 * [taylor]: Taking taylor expansion of 2 in y
0.064 * [taylor]: Taking taylor expansion of (pow NAN 4) in y
0.064 * [taylor]: Taking taylor expansion of NAN in y
0.064 * [taylor]: Taking taylor expansion of (* 2 (/ (pow NAN 2) y)) in y
0.064 * [taylor]: Taking taylor expansion of 2 in y
0.064 * [taylor]: Taking taylor expansion of (/ (pow NAN 2) y) in y
0.064 * [taylor]: Taking taylor expansion of (pow NAN 2) in y
0.065 * [taylor]: Taking taylor expansion of NAN in y
0.065 * [taylor]: Taking taylor expansion of y in y
0.065 * [approximate]: Taking taylor expansion of (sqrt (neg (+ (/ 1 y) (/ 1 x)))) in (x y) around 0
0.065 * [taylor]: Taking taylor expansion of (sqrt (neg (+ (/ 1 y) (/ 1 x)))) in y
0.065 * [taylor]: Taking taylor expansion of (neg (+ (/ 1 y) (/ 1 x))) in y
0.065 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.065 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.065 * [taylor]: Taking taylor expansion of y in y
0.065 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.065 * [taylor]: Taking taylor expansion of x in y
0.065 * [taylor]: Taking taylor expansion of (sqrt (neg (+ (/ 1 y) (/ 1 x)))) in x
0.065 * [taylor]: Taking taylor expansion of (neg (+ (/ 1 y) (/ 1 x))) in x
0.066 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.066 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.066 * [taylor]: Taking taylor expansion of y in x
0.066 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.066 * [taylor]: Taking taylor expansion of x in x
0.066 * [taylor]: Taking taylor expansion of (sqrt (neg (+ (/ 1 y) (/ 1 x)))) in x
0.066 * [taylor]: Taking taylor expansion of (neg (+ (/ 1 y) (/ 1 x))) in x
0.066 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.066 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.066 * [taylor]: Taking taylor expansion of y in x
0.066 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.066 * [taylor]: Taking taylor expansion of x in x
0.066 * [taylor]: Taking taylor expansion of 0 in y
0.066 * [taylor]: Taking taylor expansion of NAN in y
0.066 * [taylor]: Taking taylor expansion of (* NAN (+ (/ 1 y) (pow NAN 2))) in y
0.066 * [taylor]: Taking taylor expansion of NAN in y
0.066 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (pow NAN 2)) in y
0.066 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.066 * [taylor]: Taking taylor expansion of y in y
0.066 * [taylor]: Taking taylor expansion of (pow NAN 2) in y
0.066 * [taylor]: Taking taylor expansion of NAN in y
0.067 * [taylor]: Taking taylor expansion of (* NAN (+ (* 2 (/ (pow NAN 2) y)) (* 2 (pow NAN 4)))) in y
0.067 * [taylor]: Taking taylor expansion of NAN in y
0.067 * [taylor]: Taking taylor expansion of (+ (* 2 (/ (pow NAN 2) y)) (* 2 (pow NAN 4))) in y
0.067 * [taylor]: Taking taylor expansion of (* 2 (/ (pow NAN 2) y)) in y
0.067 * [taylor]: Taking taylor expansion of 2 in y
0.067 * [taylor]: Taking taylor expansion of (/ (pow NAN 2) y) in y
0.067 * [taylor]: Taking taylor expansion of (pow NAN 2) in y
0.067 * [taylor]: Taking taylor expansion of NAN in y
0.067 * [taylor]: Taking taylor expansion of y in y
0.067 * [taylor]: Taking taylor expansion of (* 2 (pow NAN 4)) in y
0.067 * [taylor]: Taking taylor expansion of 2 in y
0.067 * [taylor]: Taking taylor expansion of (pow NAN 4) in y
0.067 * [taylor]: Taking taylor expansion of NAN in y
0.067 * * * [progress]: simplifying candidates
0.068 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (log (sqrt (+ x y)))
  (exp (sqrt (+ x y)))
  (* (cbrt (sqrt (+ x y))) (cbrt (sqrt (+ x y))))
  (cbrt (sqrt (+ x y)))
  (* (* (sqrt (+ x y)) (sqrt (+ x y))) (sqrt (+ x y)))
  (sqrt (* (cbrt (+ x y)) (cbrt (+ x y))))
  (sqrt (cbrt (+ x y)))
  (sqrt (sqrt (+ x y)))
  (sqrt (sqrt (+ x y)))
  (sqrt 1)
  (sqrt (+ x y))
  (sqrt 1)
  (sqrt (+ x y))
  (sqrt (+ (pow x 3) (pow y 3)))
  (sqrt (+ (* x x) (- (* y y) (* x y))))
  (sqrt (- (* x x) (* y y)))
  (sqrt (- x y))
  (/ 1 2)
  (sqrt (sqrt (+ x y)))
  (sqrt (sqrt (+ x y)))
  (- (+ (* 1/2 (* x NAN)) (* NAN y)) (* 1/8 (* (pow x 2) (pow NAN 3))))
  (- (+ NAN (/ (* NAN y) x)) (* 2 (/ (* (pow NAN 3) y) (pow x 2))))
  (- (+ NAN (/ (* NAN y) x)) (* 2 (/ (* (pow NAN 3) y) (pow x 2))))
0.092 * * [simplify]: iteration  0 :  5079  enodes  (cost  150 )
0.093 * [simplify]: Simplified to:
   (log (sqrt (+ x y)))
  (exp (sqrt (+ x y)))
  (* (cbrt (sqrt (+ x y))) (cbrt (sqrt (+ x y))))
  (cbrt (sqrt (+ x y)))
  (pow (sqrt (+ x y)) 3)
  (fabs (cbrt (+ x y)))
  (sqrt (cbrt (+ x y)))
  (sqrt (sqrt (+ x y)))
  (sqrt (sqrt (+ x y)))
  1
  (sqrt (+ x y))
  1
  (sqrt (+ x y))
  (sqrt (+ (pow x 3) (pow y 3)))
  (sqrt (+ (* x x) (* y (- y x))))
  (sqrt (- (* x x) (* y y)))
  (sqrt (- x y))
  1/2
  (sqrt (sqrt (+ x y)))
  (sqrt (sqrt (+ x y)))
  (+ (* y NAN) (* x (+ (* 1/2 NAN) (* -1/8 (* x (pow NAN 3))))))
  (+ NAN (* (/ y x) (+ NAN (* (/ (pow NAN 3) x) -2))))
  (+ NAN (* (/ y x) (+ NAN (* (/ (pow NAN 3) x) -2))))
0.093 * * * [progress]: adding candidates to table
0.113 * [progress]: [Phase 3 of 3] Extracting.
0.116 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (sqrt (+ x y))
0.116 * * [simplify]: iteration  0 :  5  enodes  (cost  4 )
0.116 * * [simplify]: iteration  1 :  5  enodes  (cost  4 )
0.116 * [simplify]: Simplified to:
   (sqrt (+ x y))
0.596 * [regime-testing]: End program error score: 0.005625703212901613