12.092 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.011 * * * [progress]: [2/2] Setting up program.
0.012 * [progress]: [Phase 2 of 3] Improving.
0.013 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ x (* y 2.0))
0.015 * * [simplify]: iteration  0 :  8  enodes  (cost  2 )
0.016 * * [simplify]: iteration  1 :  10  enodes  (cost  2 )
0.017 * * [simplify]: iteration  2 :  10  enodes  (cost  2 )
0.017 * [simplify]: Simplified to:
   (/ x (* y 2.0))
0.018 * * [progress]: iteration 1 / 4
0.018 * * * [progress]: picking best candidate
0.019 * * * * [pick]: Picked  #<alt (λ (x y) (/ x (* y 2.0)))>
0.019 * * * [progress]: localizing error
0.022 * * * [progress]: generating rewritten candidates
0.022 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.027 * * * [progress]: generating series expansions
0.027 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.027 * [approximate]: Taking taylor expansion of (* 0.5 (/ x y)) in (x y) around 0
0.027 * [taylor]: Taking taylor expansion of (* 0.5 (/ x y)) in y
0.027 * [taylor]: Taking taylor expansion of 0.5 in y
0.027 * [taylor]: Taking taylor expansion of (/ x y) in y
0.027 * [taylor]: Taking taylor expansion of x in y
0.027 * [taylor]: Taking taylor expansion of y in y
0.027 * [taylor]: Taking taylor expansion of (* 0.5 (/ x y)) in x
0.027 * [taylor]: Taking taylor expansion of 0.5 in x
0.027 * [taylor]: Taking taylor expansion of (/ x y) in x
0.027 * [taylor]: Taking taylor expansion of x in x
0.027 * [taylor]: Taking taylor expansion of y in x
0.027 * [taylor]: Taking taylor expansion of (* 0.5 (/ x y)) in x
0.027 * [taylor]: Taking taylor expansion of 0.5 in x
0.027 * [taylor]: Taking taylor expansion of (/ x y) in x
0.027 * [taylor]: Taking taylor expansion of x in x
0.027 * [taylor]: Taking taylor expansion of y in x
0.027 * [taylor]: Taking taylor expansion of (/ 0.5 y) in y
0.027 * [taylor]: Taking taylor expansion of 0.5 in y
0.027 * [taylor]: Taking taylor expansion of y in y
0.028 * [taylor]: Taking taylor expansion of 0 in y
0.029 * [taylor]: Taking taylor expansion of 0 in y
0.031 * [taylor]: Taking taylor expansion of 0 in y
0.031 * [approximate]: Taking taylor expansion of (* 0.5 (/ y x)) in (x y) around 0
0.031 * [taylor]: Taking taylor expansion of (* 0.5 (/ y x)) in y
0.031 * [taylor]: Taking taylor expansion of 0.5 in y
0.032 * [taylor]: Taking taylor expansion of (/ y x) in y
0.032 * [taylor]: Taking taylor expansion of y in y
0.032 * [taylor]: Taking taylor expansion of x in y
0.032 * [taylor]: Taking taylor expansion of (* 0.5 (/ y x)) in x
0.032 * [taylor]: Taking taylor expansion of 0.5 in x
0.032 * [taylor]: Taking taylor expansion of (/ y x) in x
0.032 * [taylor]: Taking taylor expansion of y in x
0.032 * [taylor]: Taking taylor expansion of x in x
0.032 * [taylor]: Taking taylor expansion of (* 0.5 (/ y x)) in x
0.032 * [taylor]: Taking taylor expansion of 0.5 in x
0.032 * [taylor]: Taking taylor expansion of (/ y x) in x
0.032 * [taylor]: Taking taylor expansion of y in x
0.032 * [taylor]: Taking taylor expansion of x in x
0.032 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.032 * [taylor]: Taking taylor expansion of 0.5 in y
0.032 * [taylor]: Taking taylor expansion of y in y
0.034 * [taylor]: Taking taylor expansion of 0 in y
0.035 * [taylor]: Taking taylor expansion of 0 in y
0.038 * [taylor]: Taking taylor expansion of 0 in y
0.038 * [approximate]: Taking taylor expansion of (* 0.5 (/ y x)) in (x y) around 0
0.038 * [taylor]: Taking taylor expansion of (* 0.5 (/ y x)) in y
0.038 * [taylor]: Taking taylor expansion of 0.5 in y
0.038 * [taylor]: Taking taylor expansion of (/ y x) in y
0.038 * [taylor]: Taking taylor expansion of y in y
0.038 * [taylor]: Taking taylor expansion of x in y
0.038 * [taylor]: Taking taylor expansion of (* 0.5 (/ y x)) in x
0.038 * [taylor]: Taking taylor expansion of 0.5 in x
0.038 * [taylor]: Taking taylor expansion of (/ y x) in x
0.038 * [taylor]: Taking taylor expansion of y in x
0.038 * [taylor]: Taking taylor expansion of x in x
0.038 * [taylor]: Taking taylor expansion of (* 0.5 (/ y x)) in x
0.038 * [taylor]: Taking taylor expansion of 0.5 in x
0.038 * [taylor]: Taking taylor expansion of (/ y x) in x
0.038 * [taylor]: Taking taylor expansion of y in x
0.038 * [taylor]: Taking taylor expansion of x in x
0.038 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.038 * [taylor]: Taking taylor expansion of 0.5 in y
0.038 * [taylor]: Taking taylor expansion of y in y
0.040 * [taylor]: Taking taylor expansion of 0 in y
0.042 * [taylor]: Taking taylor expansion of 0 in y
0.044 * [taylor]: Taking taylor expansion of 0 in y
0.045 * * * [progress]: simplifying candidates
0.045 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (expm1 (/ x (* y 2.0)))
  (log1p (/ x (* y 2.0)))
  (- (log x) (+ (log y) (log 2.0)))
  (- (log x) (log (* y 2.0)))
  (log (/ x (* y 2.0)))
  (exp (/ x (* y 2.0)))
  (/ (* (* x x) x) (* (* (* y y) y) (* (* 2.0 2.0) 2.0)))
  (/ (* (* x x) x) (* (* (* y 2.0) (* y 2.0)) (* y 2.0)))
  (* (cbrt (/ x (* y 2.0))) (cbrt (/ x (* y 2.0))))
  (cbrt (/ x (* y 2.0)))
  (* (* (/ x (* y 2.0)) (/ x (* y 2.0))) (/ x (* y 2.0)))
  (sqrt (/ x (* y 2.0)))
  (sqrt (/ x (* y 2.0)))
  (- x)
  (- (* y 2.0))
  (/ (* (cbrt x) (cbrt x)) y)
  (/ (cbrt x) 2.0)
  (/ (sqrt x) y)
  (/ (sqrt x) 2.0)
  (/ 1 y)
  (/ x 2.0)
  (/ 1 (* y 2.0))
  (/ (* y 2.0) x)
  (/ x y)
  (/ (* y 2.0) (cbrt x))
  (/ (* y 2.0) (sqrt x))
  (/ (* y 2.0) x)
  (* 0.5 (/ x y))
  (* 0.5 (/ x y))
  (* 0.5 (/ x y))
0.048 * * [simplify]: iteration  0 :  111  enodes  (cost  92 )
0.050 * * [simplify]: iteration  1 :  370  enodes  (cost  77 )
0.057 * * [simplify]: iteration  2 :  1511  enodes  (cost  77 )
0.080 * * [simplify]: iteration  3 :  4610  enodes  (cost  77 )
0.119 * * [simplify]: iteration  4 :  5002  enodes  (cost  77 )
0.120 * [simplify]: Simplified to:
   (expm1 (/ x (* y 2.0)))
  (log1p (/ x (* y 2.0)))
  (log (/ x (* y 2.0)))
  (log (/ x (* y 2.0)))
  (log (/ x (* y 2.0)))
  (exp (/ x (* y 2.0)))
  (pow (/ x (* y 2.0)) 3)
  (pow (/ x (* y 2.0)) 3)
  (* (cbrt (/ x (* y 2.0))) (cbrt (/ x (* y 2.0))))
  (cbrt (/ x (* y 2.0)))
  (pow (/ x (* y 2.0)) 3)
  (sqrt (/ x (* y 2.0)))
  (sqrt (/ x (* y 2.0)))
  (- x)
  (- (* y 2.0))
  (/ (* (cbrt x) (cbrt x)) y)
  (/ (cbrt x) 2.0)
  (/ (sqrt x) y)
  (/ (sqrt x) 2.0)
  (/ 1 y)
  (/ x 2.0)
  (/ 1 (* y 2.0))
  (/ (* y 2.0) x)
  (/ x y)
  (/ (* y 2.0) (cbrt x))
  (/ (* y 2.0) (sqrt x))
  (/ (* y 2.0) x)
  (* 0.5 (/ x y))
  (* 0.5 (/ x y))
  (* 0.5 (/ x y))
0.120 * * * [progress]: adding candidates to table
0.154 * * [progress]: iteration 2 / 4
0.154 * * * [progress]: picking best candidate
0.155 * * * * [pick]: Picked  #<alt (λ (x y) (/ (/ x y) 2.0))>
0.155 * * * [progress]: localizing error
0.158 * * * [progress]: generating rewritten candidates
0.158 * * * [progress]: generating series expansions
0.158 * * * [progress]: simplifying candidates
0.158 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.161 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.161 * [simplify]: Simplified to:
   
0.161 * * * [progress]: adding candidates to table
0.161 * [progress]: [Phase 3 of 3] Extracting.
0.162 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (/ x y) 2.0)
0.163 * * [simplify]: iteration  0 :  5  enodes  (cost  2 )
0.163 * [simplify]: Simplified to:
   (/ (/ x y) 2.0)
0.510 * [regime-testing]: End program error score: 0.004125515689461182