13.866 * [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 :  12  enodes  (cost  2 )
0.017 * * [simplify]: iteration  2 :  15  enodes  (cost  2 )
0.019 * * [simplify]: iteration  3 :  16  enodes  (cost  2 )
0.020 * * [simplify]: iteration  4 :  16  enodes  (cost  2 )
0.020 * [simplify]: Simplified to:
   (/ (* x y) 2.0)
0.020 * * [progress]: iteration 1 / 4
0.020 * * * [progress]: picking best candidate
0.022 * * * * [pick]: Picked  #<alt (λ (x y) (/ (* x y) 2.0))>
0.022 * * * [progress]: localizing error
0.025 * * * [progress]: generating rewritten candidates
0.025 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.029 * * * [progress]: generating series expansions
0.029 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.029 * [approximate]: Taking taylor expansion of (* 0.5 (* x y)) in (x y) around 0
0.029 * [taylor]: Taking taylor expansion of (* 0.5 (* x y)) in y
0.029 * [taylor]: Taking taylor expansion of 0.5 in y
0.029 * [taylor]: Taking taylor expansion of (* x y) in y
0.029 * [taylor]: Taking taylor expansion of x in y
0.029 * [taylor]: Taking taylor expansion of y in y
0.029 * [taylor]: Taking taylor expansion of (* 0.5 (* x y)) in x
0.029 * [taylor]: Taking taylor expansion of 0.5 in x
0.029 * [taylor]: Taking taylor expansion of (* x y) in x
0.029 * [taylor]: Taking taylor expansion of x in x
0.029 * [taylor]: Taking taylor expansion of y in x
0.029 * [taylor]: Taking taylor expansion of (* 0.5 (* x y)) in x
0.029 * [taylor]: Taking taylor expansion of 0.5 in x
0.029 * [taylor]: Taking taylor expansion of (* x y) in x
0.029 * [taylor]: Taking taylor expansion of x in x
0.029 * [taylor]: Taking taylor expansion of y in x
0.029 * [taylor]: Taking taylor expansion of 0 in y
0.030 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.030 * [taylor]: Taking taylor expansion of 0.5 in y
0.030 * [taylor]: Taking taylor expansion of y in y
0.031 * [taylor]: Taking taylor expansion of 0 in y
0.034 * [taylor]: Taking taylor expansion of 0 in y
0.036 * [taylor]: Taking taylor expansion of 0 in y
0.036 * [approximate]: Taking taylor expansion of (/ 0.5 (* x y)) in (x y) around 0
0.036 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in y
0.036 * [taylor]: Taking taylor expansion of 0.5 in y
0.036 * [taylor]: Taking taylor expansion of (* x y) in y
0.036 * [taylor]: Taking taylor expansion of x in y
0.036 * [taylor]: Taking taylor expansion of y in y
0.037 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in x
0.037 * [taylor]: Taking taylor expansion of 0.5 in x
0.037 * [taylor]: Taking taylor expansion of (* x y) in x
0.037 * [taylor]: Taking taylor expansion of x in x
0.037 * [taylor]: Taking taylor expansion of y in x
0.037 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in x
0.037 * [taylor]: Taking taylor expansion of 0.5 in x
0.037 * [taylor]: Taking taylor expansion of (* x y) in x
0.037 * [taylor]: Taking taylor expansion of x in x
0.037 * [taylor]: Taking taylor expansion of y 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
0.039 * [taylor]: Taking taylor expansion of 0 in y
0.040 * [taylor]: Taking taylor expansion of 0 in y
0.041 * [taylor]: Taking taylor expansion of 0 in y
0.042 * [approximate]: Taking taylor expansion of (/ 0.5 (* x y)) in (x y) around 0
0.042 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in y
0.042 * [taylor]: Taking taylor expansion of 0.5 in y
0.042 * [taylor]: Taking taylor expansion of (* x y) in y
0.042 * [taylor]: Taking taylor expansion of x in y
0.042 * [taylor]: Taking taylor expansion of y in y
0.043 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in x
0.043 * [taylor]: Taking taylor expansion of 0.5 in x
0.043 * [taylor]: Taking taylor expansion of (* x y) in x
0.043 * [taylor]: Taking taylor expansion of x in x
0.043 * [taylor]: Taking taylor expansion of y in x
0.043 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in x
0.043 * [taylor]: Taking taylor expansion of 0.5 in x
0.043 * [taylor]: Taking taylor expansion of (* x y) in x
0.043 * [taylor]: Taking taylor expansion of x in x
0.043 * [taylor]: Taking taylor expansion of y in x
0.043 * [taylor]: Taking taylor expansion of (/ 0.5 y) in y
0.043 * [taylor]: Taking taylor expansion of 0.5 in y
0.043 * [taylor]: Taking taylor expansion of y in y
0.044 * [taylor]: Taking taylor expansion of 0 in y
0.046 * [taylor]: Taking taylor expansion of 0 in y
0.047 * [taylor]: Taking taylor expansion of 0 in y
0.048 * * * [progress]: simplifying candidates
0.048 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (* x y))
  (- 2.0)
  (/ 1 2.0)
  (/ 2.0 (* x y))
  (/ 2.0 y)
  (/ 2.0 x)
  (* 0.5 (* x y))
  (* 0.5 (* x y))
  (* 0.5 (* x y))
0.051 * * [simplify]: iteration  0 :  24  enodes  (cost  14 )
0.052 * * [simplify]: iteration  1 :  34  enodes  (cost  14 )
0.053 * * [simplify]: iteration  2 :  36  enodes  (cost  14 )
0.054 * * [simplify]: iteration  3 :  36  enodes  (cost  14 )
0.055 * [simplify]: Simplified to:
   (- (* x y))
  (- 2.0)
  (/ 1 2.0)
  (/ 2.0 (* x y))
  (/ 2.0 y)
  (/ 2.0 x)
  (* 0.5 (* x y))
  (* 0.5 (* x y))
  (* 0.5 (* x y))
0.055 * * * [progress]: adding candidates to table
0.068 * * [progress]: iteration 2 / 4
0.068 * * * [progress]: picking best candidate
0.069 * * * * [pick]: Picked  #<alt (λ (x y) (/ y (/ 2.0 x)))>
0.069 * * * [progress]: localizing error
0.072 * * * [progress]: generating rewritten candidates
0.072 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.075 * * * [progress]: generating series expansions
0.075 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.075 * [approximate]: Taking taylor expansion of (* 0.5 (* x y)) in (y x) around 0
0.075 * [taylor]: Taking taylor expansion of (* 0.5 (* x y)) in x
0.075 * [taylor]: Taking taylor expansion of 0.5 in x
0.075 * [taylor]: Taking taylor expansion of (* x y) in x
0.075 * [taylor]: Taking taylor expansion of x in x
0.075 * [taylor]: Taking taylor expansion of y in x
0.075 * [taylor]: Taking taylor expansion of (* 0.5 (* x y)) in y
0.075 * [taylor]: Taking taylor expansion of 0.5 in y
0.075 * [taylor]: Taking taylor expansion of (* x y) in y
0.075 * [taylor]: Taking taylor expansion of x in y
0.075 * [taylor]: Taking taylor expansion of y in y
0.075 * [taylor]: Taking taylor expansion of (* 0.5 (* x y)) in y
0.075 * [taylor]: Taking taylor expansion of 0.5 in y
0.075 * [taylor]: Taking taylor expansion of (* x y) in y
0.075 * [taylor]: Taking taylor expansion of x in y
0.075 * [taylor]: Taking taylor expansion of y in y
0.076 * [taylor]: Taking taylor expansion of 0 in x
0.076 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.076 * [taylor]: Taking taylor expansion of 0.5 in x
0.076 * [taylor]: Taking taylor expansion of x in x
0.078 * [taylor]: Taking taylor expansion of 0 in x
0.080 * [taylor]: Taking taylor expansion of 0 in x
0.082 * [taylor]: Taking taylor expansion of 0 in x
0.082 * [approximate]: Taking taylor expansion of (/ 0.5 (* x y)) in (y x) around 0
0.082 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in x
0.082 * [taylor]: Taking taylor expansion of 0.5 in x
0.082 * [taylor]: Taking taylor expansion of (* x y) in x
0.082 * [taylor]: Taking taylor expansion of x in x
0.082 * [taylor]: Taking taylor expansion of y in x
0.083 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in y
0.083 * [taylor]: Taking taylor expansion of 0.5 in y
0.083 * [taylor]: Taking taylor expansion of (* x y) in y
0.083 * [taylor]: Taking taylor expansion of x in y
0.083 * [taylor]: Taking taylor expansion of y in y
0.083 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in y
0.083 * [taylor]: Taking taylor expansion of 0.5 in y
0.083 * [taylor]: Taking taylor expansion of (* x y) in y
0.083 * [taylor]: Taking taylor expansion of x in y
0.083 * [taylor]: Taking taylor expansion of y in y
0.083 * [taylor]: Taking taylor expansion of (/ 0.5 x) in x
0.083 * [taylor]: Taking taylor expansion of 0.5 in x
0.083 * [taylor]: Taking taylor expansion of x in x
0.084 * [taylor]: Taking taylor expansion of 0 in x
0.085 * [taylor]: Taking taylor expansion of 0 in x
0.086 * [taylor]: Taking taylor expansion of 0 in x
0.087 * [approximate]: Taking taylor expansion of (/ 0.5 (* x y)) in (y x) around 0
0.087 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in x
0.087 * [taylor]: Taking taylor expansion of 0.5 in x
0.087 * [taylor]: Taking taylor expansion of (* x y) in x
0.087 * [taylor]: Taking taylor expansion of x in x
0.087 * [taylor]: Taking taylor expansion of y in x
0.087 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in y
0.087 * [taylor]: Taking taylor expansion of 0.5 in y
0.087 * [taylor]: Taking taylor expansion of (* x y) in y
0.087 * [taylor]: Taking taylor expansion of x in y
0.088 * [taylor]: Taking taylor expansion of y in y
0.088 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in y
0.088 * [taylor]: Taking taylor expansion of 0.5 in y
0.088 * [taylor]: Taking taylor expansion of (* x y) in y
0.088 * [taylor]: Taking taylor expansion of x in y
0.088 * [taylor]: Taking taylor expansion of y in y
0.088 * [taylor]: Taking taylor expansion of (/ 0.5 x) in x
0.088 * [taylor]: Taking taylor expansion of 0.5 in x
0.088 * [taylor]: Taking taylor expansion of x in x
0.089 * [taylor]: Taking taylor expansion of 0 in x
0.090 * [taylor]: Taking taylor expansion of 0 in x
0.091 * [taylor]: Taking taylor expansion of 0 in x
0.092 * * * [progress]: simplifying candidates
0.092 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- y)
  (- (/ 2.0 x))
  (/ 1 (/ 2.0 x))
  (/ (/ 2.0 x) y)
  (/ y 2.0)
  (/ y 2.0)
  (/ y (- 2.0))
  (/ y 1)
  (* 0.5 (* x y))
  (* 0.5 (* x y))
  (* 0.5 (* x y))
0.094 * * [simplify]: iteration  0 :  26  enodes  (cost  17 )
0.096 * * [simplify]: iteration  1 :  56  enodes  (cost  17 )
0.097 * * [simplify]: iteration  2 :  119  enodes  (cost  17 )
0.100 * * [simplify]: iteration  3 :  405  enodes  (cost  16 )
0.106 * * [simplify]: iteration  4 :  1176  enodes  (cost  16 )
0.117 * * [simplify]: iteration  5 :  2214  enodes  (cost  16 )
0.142 * * [simplify]: iteration  6 :  5002  enodes  (cost  16 )
0.142 * [simplify]: Simplified to:
   (- y)
  (- (/ 2.0 x))
  (/ x 2.0)
  (/ (/ 2.0 x) y)
  (/ y 2.0)
  (/ y 2.0)
  (/ y (- 2.0))
  y
  (* 0.5 (* x y))
  (* 0.5 (* x y))
  (* 0.5 (* x y))
0.142 * * * [progress]: adding candidates to table
0.154 * [progress]: [Phase 3 of 3] Extracting.
0.154 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (/ (* x y) 2.0))> #<alt (λ (x y) (/ y (/ 2.0 x)))>)
0.154 * * * [regime-changes]: Trying 4 branch expressions: ((* x y) (/ (* x y) 2.0) y x)
0.154 * * * * [regimes]: Trying to branch on (* x y) from (#<alt (λ (x y) (/ (* x y) 2.0))> #<alt (λ (x y) (/ y (/ 2.0 x)))>)
0.166 * * * * [regimes]: Trying to branch on (/ (* x y) 2.0) from (#<alt (λ (x y) (/ (* x y) 2.0))> #<alt (λ (x y) (/ y (/ 2.0 x)))>)
0.176 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (/ (* x y) 2.0))> #<alt (λ (x y) (/ y (/ 2.0 x)))>)
0.185 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (/ (* x y) 2.0))> #<alt (λ (x y) (/ y (/ 2.0 x)))>)
0.198 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
0.198 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (* x y) 2.0)
0.199 * * [simplify]: iteration  0 :  6  enodes  (cost  2 )
0.199 * * [simplify]: iteration  1 :  6  enodes  (cost  2 )
0.199 * [simplify]: Simplified to:
   (/ (* x y) 2.0)
0.535 * [regime-testing]: Baseline error score: 0.011751468933616702
0.536 * [regime-testing]: Oracle error score: 0.00025003125390673836
0.537 * [regime-testing]: End program error score: 0.011751468933616702