3.485 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.016 * * * [progress]: [2/2] Setting up program.
0.018 * [progress]: [Phase 2 of 3] Improving.
0.018 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (sqrt (+ x y))
0.019 * * [simplify]: iteration  0 :  4  enodes  (cost  4 )
0.019 * * [simplify]: iteration  1 :  5  enodes  (cost  4 )
0.020 * * [simplify]: iteration  done :  5  enodes  (cost  4 )
0.020 * [simplify]: Simplified to:
   (sqrt (+ x y))
0.020 * * [progress]: iteration 1 / 4
0.020 * * * [progress]: picking best candidate
0.022 * * * * [pick]: Picked  #<alt (λ (x y) (sqrt (+ x y)))>
0.022 * * * [progress]: localizing error
0.025 * * * [progress]: generating rewritten candidates
0.025 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.030 * * * [progress]: generating series expansions
0.030 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.030 * [approximate]: Taking taylor expansion of (sqrt (+ x y)) in (x y) around 0
0.030 * [taylor]: Taking taylor expansion of (sqrt (+ x y)) in y
0.030 * [taylor]: Taking taylor expansion of (+ x y) in y
0.030 * [taylor]: Taking taylor expansion of x in y
0.030 * [taylor]: Taking taylor expansion of y in y
0.031 * [taylor]: Taking taylor expansion of (sqrt (+ x y)) in x
0.031 * [taylor]: Taking taylor expansion of (+ x y) in x
0.031 * [taylor]: Taking taylor expansion of x in x
0.031 * [taylor]: Taking taylor expansion of y in x
0.031 * [taylor]: Taking taylor expansion of (sqrt (+ x y)) in x
0.031 * [taylor]: Taking taylor expansion of (+ x y) in x
0.031 * [taylor]: Taking taylor expansion of x in x
0.031 * [taylor]: Taking taylor expansion of y in x
0.032 * [taylor]: Taking taylor expansion of (sqrt y) in y
0.032 * [taylor]: Taking taylor expansion of y in y
0.033 * [taylor]: Taking taylor expansion of (* 1/2 (sqrt (/ 1 y))) in y
0.033 * [taylor]: Taking taylor expansion of 1/2 in y
0.033 * [taylor]: Taking taylor expansion of (sqrt (/ 1 y)) in y
0.033 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.033 * [taylor]: Taking taylor expansion of y in y
0.040 * [taylor]: Taking taylor expansion of (* -1/8 (sqrt (/ 1 (pow y 3)))) in y
0.040 * [taylor]: Taking taylor expansion of -1/8 in y
0.040 * [taylor]: Taking taylor expansion of (sqrt (/ 1 (pow y 3))) in y
0.040 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.040 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.040 * [taylor]: Taking taylor expansion of y in y
0.047 * [approximate]: Taking taylor expansion of (sqrt (+ (/ 1 y) (/ 1 x))) in (x y) around 0
0.047 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 y) (/ 1 x))) in y
0.047 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.047 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.047 * [taylor]: Taking taylor expansion of y in y
0.047 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.047 * [taylor]: Taking taylor expansion of x in y
0.049 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 y) (/ 1 x))) in x
0.049 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.049 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.049 * [taylor]: Taking taylor expansion of y in x
0.049 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.049 * [taylor]: Taking taylor expansion of x in x
0.050 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 y) (/ 1 x))) in x
0.050 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.050 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.050 * [taylor]: Taking taylor expansion of y in x
0.050 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.050 * [taylor]: Taking taylor expansion of x in x
0.052 * [taylor]: Taking taylor expansion of 0 in y
0.052 * [taylor]: Taking taylor expansion of +nan.0 in y
0.053 * [taylor]: Taking taylor expansion of (* +nan.0 (- (/ 1 y) +nan.0)) in y
0.053 * [taylor]: Taking taylor expansion of +nan.0 in y
0.053 * [taylor]: Taking taylor expansion of (- (/ 1 y) +nan.0) in y
0.053 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.053 * [taylor]: Taking taylor expansion of y in y
0.053 * [taylor]: Taking taylor expansion of +nan.0 in y
0.055 * [taylor]: Taking taylor expansion of (* +nan.0 (+ (* +nan.0 (/ 1 y)) (- +nan.0))) in y
0.055 * [taylor]: Taking taylor expansion of +nan.0 in y
0.055 * [taylor]: Taking taylor expansion of (+ (* +nan.0 (/ 1 y)) (- +nan.0)) in y
0.055 * [taylor]: Taking taylor expansion of (* +nan.0 (/ 1 y)) in y
0.055 * [taylor]: Taking taylor expansion of +nan.0 in y
0.055 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.055 * [taylor]: Taking taylor expansion of y in y
0.056 * [taylor]: Taking taylor expansion of (- +nan.0) in y
0.056 * [taylor]: Taking taylor expansion of +nan.0 in y
0.057 * [approximate]: Taking taylor expansion of (sqrt (- (+ (/ 1 y) (/ 1 x)))) in (x y) around 0
0.057 * [taylor]: Taking taylor expansion of (sqrt (- (+ (/ 1 y) (/ 1 x)))) in y
0.057 * [taylor]: Taking taylor expansion of (- (+ (/ 1 y) (/ 1 x))) in y
0.057 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.057 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.057 * [taylor]: Taking taylor expansion of y in y
0.058 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.058 * [taylor]: Taking taylor expansion of x in y
0.059 * [taylor]: Taking taylor expansion of (sqrt (- (+ (/ 1 y) (/ 1 x)))) in x
0.059 * [taylor]: Taking taylor expansion of (- (+ (/ 1 y) (/ 1 x))) in x
0.059 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.059 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.059 * [taylor]: Taking taylor expansion of y in x
0.059 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.059 * [taylor]: Taking taylor expansion of x in x
0.061 * [taylor]: Taking taylor expansion of (sqrt (- (+ (/ 1 y) (/ 1 x)))) in x
0.061 * [taylor]: Taking taylor expansion of (- (+ (/ 1 y) (/ 1 x))) in x
0.061 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.061 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.061 * [taylor]: Taking taylor expansion of y in x
0.061 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.061 * [taylor]: Taking taylor expansion of x in x
0.063 * [taylor]: Taking taylor expansion of 0 in y
0.063 * [taylor]: Taking taylor expansion of +nan.0 in y
0.065 * [taylor]: Taking taylor expansion of (* +nan.0 (+ (/ 1 y) (- +nan.0))) in y
0.065 * [taylor]: Taking taylor expansion of +nan.0 in y
0.065 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (- +nan.0)) 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 (- +nan.0) in y
0.065 * [taylor]: Taking taylor expansion of +nan.0 in y
0.067 * [taylor]: Taking taylor expansion of (* +nan.0 (+ (* +nan.0 (/ 1 y)) (- +nan.0))) in y
0.067 * [taylor]: Taking taylor expansion of +nan.0 in y
0.067 * [taylor]: Taking taylor expansion of (+ (* +nan.0 (/ 1 y)) (- +nan.0)) in y
0.067 * [taylor]: Taking taylor expansion of (* +nan.0 (/ 1 y)) in y
0.067 * [taylor]: Taking taylor expansion of +nan.0 in y
0.067 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.067 * [taylor]: Taking taylor expansion of y in y
0.068 * [taylor]: Taking taylor expansion of (- +nan.0) in y
0.068 * [taylor]: Taking taylor expansion of +nan.0 in y
0.069 * * * [progress]: simplifying candidates
0.069 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (sqrt (+ x y)))
  (log1p (sqrt (+ x y)))
  (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)))
  (- (+ (* +nan.0 (pow x 2)) (- (+ (* +nan.0 x) (- (* +nan.0 y))))))
  (- (+ (* +nan.0 (/ y (pow x 2))) (- (+ (* +nan.0 (/ y x)) (- +nan.0)))))
  (- (+ (* +nan.0 (/ y (pow x 2))) (- (+ (* +nan.0 (/ y x)) (- +nan.0)))))
0.071 * * [simplify]: iteration  0 :  55  enodes  (cost  184 )
0.080 * * [simplify]: iteration  1 :  124  enodes  (cost  160 )
0.098 * * [simplify]: iteration  2 :  323  enodes  (cost  155 )