12.034 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.011 * * * [progress]: [2/2] Setting up program.
0.013 * [progress]: [Phase 2 of 3] Improving.
0.013 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ (* x y) 2.0)
0.014 * * [simplify]: iteration  0 :  5  enodes  (cost  5 )
0.015 * * [simplify]: iteration  1 :  8  enodes  (cost  5 )
0.015 * * [simplify]: iteration  2 :  12  enodes  (cost  5 )
0.017 * * [simplify]: iteration  3 :  15  enodes  (cost  5 )
0.018 * * [simplify]: iteration  4 :  16  enodes  (cost  5 )
0.020 * * [simplify]: iteration  done :  16  enodes  (cost  5 )
0.020 * [simplify]: Simplified to:
   (/ (* x y) 2.0)
0.020 * * [progress]: iteration 1 / 4
0.020 * * * [progress]: picking best candidate
0.021 * * * * [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
0.030 * [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
0.032 * [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
0.037 * [approximate]: Taking taylor expansion of (/ 0.5 (* x y)) in (x y) around 0
0.037 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in y
0.037 * [taylor]: Taking taylor expansion of 0.5 in y
0.037 * [taylor]: Taking taylor expansion of (* x y) in y
0.037 * [taylor]: Taking taylor expansion of x in y
0.037 * [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
0.038 * [taylor]: Taking taylor expansion of 0.5 in x
0.038 * [taylor]: Taking taylor expansion of (* x y) in x
0.038 * [taylor]: Taking taylor expansion of x in x
0.038 * [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
0.042 * [taylor]: Taking taylor expansion of 0 in y
0.043 * [approximate]: Taking taylor expansion of (/ 0.5 (* x y)) in (x y) around 0
0.043 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in y
0.043 * [taylor]: Taking taylor expansion of 0.5 in y
0.043 * [taylor]: Taking taylor expansion of (* x y) in y
0.043 * [taylor]: Taking taylor expansion of x in y
0.043 * [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
0.044 * [taylor]: Taking taylor expansion of (/ 0.5 y) in y
0.044 * [taylor]: Taking taylor expansion of 0.5 in y
0.044 * [taylor]: Taking taylor expansion of y in y
0.045 * [taylor]: Taking taylor expansion of 0 in y
0.046 * [taylor]: Taking taylor expansion of 0 in y
0.048 * [taylor]: Taking taylor expansion of 0 in y
0.049 * * * [progress]: simplifying candidates
0.049 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (/ (* x y) 2.0))
  (log1p (/ (* x y) 2.0))
  (- (+ (log x) (log y)) (log 2.0))
  (- (log (* x y)) (log 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 y) (* x y)) (* x y)) (* (* 2.0 2.0) 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)
  (/ x (* (cbrt 2.0) (cbrt 2.0)))
  (/ y (cbrt 2.0))
  (/ x (sqrt 2.0))
  (/ y (sqrt 2.0))
  (/ x 1)
  (/ y 2.0)
  (/ 1 2.0)
  (/ 2.0 (* x y))
  (/ (* x y) (* (cbrt 2.0) (cbrt 2.0)))
  (/ (* x y) (sqrt 2.0))
  (/ (* x y) 1)
  (/ 2.0 y)
  (* 0.5 (* x y))
  (* 0.5 (* x y))
  (* 0.5 (* x y))
0.051 * * [simplify]: iteration  0 :  52  enodes  (cost  198 )
0.059 * * [simplify]: iteration  1 :  118  enodes  (cost  191 )
0.086 * * [simplify]: iteration  2 :  398  enodes  (cost  161 )
0.404 * * [simplify]: iteration  3 :  1819  enodes  (cost  161 )
2.101 * * [simplify]: iteration  done :  5001  enodes  (cost  161 )
2.102 * [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)
  (/ x (* (cbrt 2.0) (cbrt 2.0)))
  (/ y (cbrt 2.0))
  (/ x (sqrt 2.0))
  (/ y (sqrt 2.0))
  x
  (/ y 2.0)
  (/ 1 2.0)
  (/ 2.0 (* x y))
  (/ (* x y) (* (cbrt 2.0) (cbrt 2.0)))
  (/ (* x y) (sqrt 2.0))
  (* x y)
  (/ 2.0 y)
  (* 0.5 (* x y))
  (* 0.5 (* x y))
  (* 0.5 (* x y))
2.102 * * * [progress]: adding candidates to table
2.142 * * [progress]: iteration 2 / 4
2.142 * * * [progress]: picking best candidate
2.143 * * * * [pick]: Picked  #<alt (λ (x y) (* x (/ y 2.0)))>
2.143 * * * [progress]: localizing error
2.147 * * * [progress]: generating rewritten candidates
2.147 * * * [progress]: generating series expansions
2.147 * * * [progress]: simplifying candidates
2.147 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   
2.148 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
2.148 * * [simplify]: iteration  done :  0  enodes  (cost  0 )
2.148 * [simplify]: Simplified to:
   
2.148 * * * [progress]: adding candidates to table
2.148 * [progress]: [Phase 3 of 3] Extracting.
2.149 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* x (/ y 2.0))
2.149 * * [simplify]: iteration  0 :  5  enodes  (cost  5 )
2.150 * * [simplify]: iteration  1 :  6  enodes  (cost  5 )
2.150 * * [simplify]: iteration  done :  6  enodes  (cost  5 )
2.150 * [simplify]: Simplified to:
   (* x (/ y 2.0))
2.476 * [regime-testing]: End program error score: 0.00061343800420159