0.237 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.012 * * * [progress]: [2/2] Setting up program.
0.013 * [progress]: [Phase 2 of 3] Improving.
0.014 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ (+ x y) (* (* x 2.0) y))
0.015 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
0.016 * * [simplify]: iteration  1 :  14  enodes  (cost  9 )
0.017 * * [simplify]: iteration  2 :  27  enodes  (cost  9 )
0.026 * * [simplify]: iteration  3 :  40  enodes  (cost  9 )
0.031 * * [simplify]: iteration  4 :  41  enodes  (cost  9 )
0.035 * * [simplify]: iteration  done :  41  enodes  (cost  9 )
0.035 * [simplify]: Simplified to:
   (/ (+ x y) (* (* x 2.0) y))
0.036 * * [progress]: iteration 1 / 4
0.036 * * * [progress]: picking best candidate
0.037 * * * * [pick]: Picked  #<alt (λ (x y) (/ (+ x y) (* (* x 2.0) y)))>
0.037 * * * [progress]: localizing error
0.044 * * * [progress]: generating rewritten candidates
0.044 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.058 * * * [progress]: generating series expansions
0.058 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.058 * [approximate]: Taking taylor expansion of (* 0.5 (/ (+ x y) (* x y))) in (x y) around 0
0.058 * [taylor]: Taking taylor expansion of (* 0.5 (/ (+ x y) (* x y))) in y
0.058 * [taylor]: Taking taylor expansion of 0.5 in y
0.058 * [taylor]: Taking taylor expansion of (/ (+ x y) (* x y)) in y
0.058 * [taylor]: Taking taylor expansion of (+ x y) in y
0.058 * [taylor]: Taking taylor expansion of x in y
0.058 * [taylor]: Taking taylor expansion of y in y
0.058 * [taylor]: Taking taylor expansion of (* x y) in y
0.058 * [taylor]: Taking taylor expansion of x in y
0.058 * [taylor]: Taking taylor expansion of y in y
0.059 * [taylor]: Taking taylor expansion of (* 0.5 (/ (+ x y) (* x y))) in x
0.059 * [taylor]: Taking taylor expansion of 0.5 in x
0.059 * [taylor]: Taking taylor expansion of (/ (+ x y) (* x y)) in x
0.059 * [taylor]: Taking taylor expansion of (+ x y) in x
0.059 * [taylor]: Taking taylor expansion of x in x
0.059 * [taylor]: Taking taylor expansion of y in x
0.059 * [taylor]: Taking taylor expansion of (* x y) in x
0.059 * [taylor]: Taking taylor expansion of x in x
0.059 * [taylor]: Taking taylor expansion of y in x
0.059 * [taylor]: Taking taylor expansion of (* 0.5 (/ (+ x y) (* x y))) in x
0.060 * [taylor]: Taking taylor expansion of 0.5 in x
0.060 * [taylor]: Taking taylor expansion of (/ (+ x y) (* x y)) in x
0.060 * [taylor]: Taking taylor expansion of (+ x y) in x
0.060 * [taylor]: Taking taylor expansion of x in x
0.060 * [taylor]: Taking taylor expansion of y in x
0.060 * [taylor]: Taking taylor expansion of (* x y) in x
0.060 * [taylor]: Taking taylor expansion of x in x
0.060 * [taylor]: Taking taylor expansion of y in x
0.060 * [taylor]: Taking taylor expansion of 0.5 in y
0.062 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.062 * [taylor]: Taking taylor expansion of 0.5 in y
0.062 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.062 * [taylor]: Taking taylor expansion of y in y
0.064 * [taylor]: Taking taylor expansion of 0 in y
0.067 * [taylor]: Taking taylor expansion of 0 in y
0.071 * [taylor]: Taking taylor expansion of 0 in y
0.072 * [approximate]: Taking taylor expansion of (* 0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in (x y) around 0
0.072 * [taylor]: Taking taylor expansion of (* 0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in y
0.072 * [taylor]: Taking taylor expansion of 0.5 in y
0.072 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (* y x)) in y
0.072 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.072 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.072 * [taylor]: Taking taylor expansion of y in y
0.072 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.072 * [taylor]: Taking taylor expansion of x in y
0.073 * [taylor]: Taking taylor expansion of (* y x) in y
0.073 * [taylor]: Taking taylor expansion of y in y
0.073 * [taylor]: Taking taylor expansion of x in y
0.073 * [taylor]: Taking taylor expansion of (* 0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in x
0.073 * [taylor]: Taking taylor expansion of 0.5 in x
0.073 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (* y x)) in x
0.073 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.073 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.073 * [taylor]: Taking taylor expansion of y in x
0.073 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.073 * [taylor]: Taking taylor expansion of x in x
0.073 * [taylor]: Taking taylor expansion of (* y x) in x
0.073 * [taylor]: Taking taylor expansion of y in x
0.073 * [taylor]: Taking taylor expansion of x in x
0.073 * [taylor]: Taking taylor expansion of (* 0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in x
0.073 * [taylor]: Taking taylor expansion of 0.5 in x
0.073 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (* y x)) in x
0.073 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.073 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.073 * [taylor]: Taking taylor expansion of y in x
0.073 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.073 * [taylor]: Taking taylor expansion of x in x
0.074 * [taylor]: Taking taylor expansion of (* y x) in x
0.074 * [taylor]: Taking taylor expansion of y in x
0.074 * [taylor]: Taking taylor expansion of x in x
0.075 * [taylor]: Taking taylor expansion of 0 in y
0.076 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.076 * [taylor]: Taking taylor expansion of 0.5 in y
0.076 * [taylor]: Taking taylor expansion of y in y
0.078 * [taylor]: Taking taylor expansion of 0.5 in y
0.081 * [taylor]: Taking taylor expansion of 0 in y
0.085 * [taylor]: Taking taylor expansion of 0 in y
0.090 * [taylor]: Taking taylor expansion of 0 in y
0.090 * [approximate]: Taking taylor expansion of (* -0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in (x y) around 0
0.090 * [taylor]: Taking taylor expansion of (* -0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in y
0.090 * [taylor]: Taking taylor expansion of -0.5 in y
0.090 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (* y x)) in y
0.090 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.090 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.090 * [taylor]: Taking taylor expansion of y in y
0.090 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.090 * [taylor]: Taking taylor expansion of x in y
0.091 * [taylor]: Taking taylor expansion of (* y x) in y
0.091 * [taylor]: Taking taylor expansion of y in y
0.091 * [taylor]: Taking taylor expansion of x in y
0.091 * [taylor]: Taking taylor expansion of (* -0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in x
0.091 * [taylor]: Taking taylor expansion of -0.5 in x
0.091 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (* y x)) in x
0.091 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.091 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.091 * [taylor]: Taking taylor expansion of y in x
0.091 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.091 * [taylor]: Taking taylor expansion of x in x
0.091 * [taylor]: Taking taylor expansion of (* y x) in x
0.091 * [taylor]: Taking taylor expansion of y in x
0.091 * [taylor]: Taking taylor expansion of x in x
0.091 * [taylor]: Taking taylor expansion of (* -0.5 (* (+ (/ 1 y) (/ 1 x)) (* y x))) in x
0.091 * [taylor]: Taking taylor expansion of -0.5 in x
0.091 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (* y x)) in x
0.091 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.091 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.091 * [taylor]: Taking taylor expansion of y in x
0.091 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.091 * [taylor]: Taking taylor expansion of x in x
0.092 * [taylor]: Taking taylor expansion of (* y x) in x
0.092 * [taylor]: Taking taylor expansion of y in x
0.092 * [taylor]: Taking taylor expansion of x in x
0.093 * [taylor]: Taking taylor expansion of 0 in y
0.094 * [taylor]: Taking taylor expansion of (- (* 0.5 y)) in y
0.094 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.094 * [taylor]: Taking taylor expansion of 0.5 in y
0.094 * [taylor]: Taking taylor expansion of y in y
0.096 * [taylor]: Taking taylor expansion of (- 0.5) in y
0.096 * [taylor]: Taking taylor expansion of 0.5 in y
0.099 * [taylor]: Taking taylor expansion of 0 in y
0.107 * [taylor]: Taking taylor expansion of 0 in y
0.112 * [taylor]: Taking taylor expansion of 0 in y
0.113 * * * [progress]: simplifying candidates
0.114 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (/ (+ x y) (* (* x 2.0) y)))
  (log1p (/ (+ x y) (* (* x 2.0) y)))
  (- (log (+ x y)) (+ (+ (log x) (log 2.0)) (log y)))
  (- (log (+ x y)) (+ (log (* x 2.0)) (log y)))
  (- (log (+ x y)) (log (* (* x 2.0) y)))
  (log (/ (+ x y) (* (* x 2.0) y)))
  (exp (/ (+ x y) (* (* x 2.0) y)))
  (/ (* (* (+ x y) (+ x y)) (+ x y)) (* (* (* (* x x) x) (* (* 2.0 2.0) 2.0)) (* (* y y) y)))
  (/ (* (* (+ x y) (+ x y)) (+ x y)) (* (* (* (* x 2.0) (* x 2.0)) (* x 2.0)) (* (* y y) y)))
  (/ (* (* (+ x y) (+ x y)) (+ x y)) (* (* (* (* x 2.0) y) (* (* x 2.0) y)) (* (* x 2.0) y)))
  (* (cbrt (/ (+ x y) (* (* x 2.0) y))) (cbrt (/ (+ x y) (* (* x 2.0) y))))
  (cbrt (/ (+ x y) (* (* x 2.0) y)))
  (* (* (/ (+ x y) (* (* x 2.0) y)) (/ (+ x y) (* (* x 2.0) y))) (/ (+ x y) (* (* x 2.0) y)))
  (sqrt (/ (+ x y) (* (* x 2.0) y)))
  (sqrt (/ (+ x y) (* (* x 2.0) y)))
  (- (+ x y))
  (- (* (* x 2.0) y))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (* x 2.0))
  (/ (cbrt (+ x y)) y)
  (/ (sqrt (+ x y)) (* x 2.0))
  (/ (sqrt (+ x y)) y)
  (/ 1 (* x 2.0))
  (/ (+ x y) y)
  (/ 1 (* x 2.0))
  (/ (+ x y) y)
  (/ 1 (* (* x 2.0) y))
  (/ (* (* x 2.0) y) (+ x y))
  (/ (+ x y) (* x 2.0))
  (/ (* (* x 2.0) y) (cbrt (+ x y)))
  (/ (* (* x 2.0) y) (sqrt (+ x y)))
  (/ (* (* x 2.0) y) (+ x y))
  (/ (* (* x 2.0) y) (+ x y))
  (* (* (* x 2.0) y) (+ (* x x) (- (* y y) (* x y))))
  (* (* (* x 2.0) y) (- x y))
  (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))
  (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))
  (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))
0.116 * * [simplify]: iteration  0 :  75  enodes  (cost  426 )
0.129 * * [simplify]: iteration  1 :  225  enodes  (cost  411 )
0.178 * * [simplify]: iteration  2 :  879  enodes  (cost  333 )