36.091 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.010 * * * [progress]: [2/2] Setting up program.
0.012 * [progress]: [Phase 2 of 3] Improving.
0.012 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (* x y) 2.0)
0.014 * * [simplify]: iteration  0 :  8  enodes  (cost  2 )
0.015 * * [simplify]: iteration  1 :  12  enodes  (cost  2 )
0.017 * * [simplify]: iteration  2 :  15  enodes  (cost  2 )
0.018 * * [simplify]: iteration  3 :  16  enodes  (cost  2 )
0.019 * * [simplify]: iteration  4 :  16  enodes  (cost  2 )
0.019 * [simplify]: Simplified to:
   (/ (* x y) 2.0)
0.019 * * [progress]: iteration 1 / 4
0.019 * * * [progress]: picking best candidate
0.020 * * * * [pick]: Picked  #<alt (λ (x y) (/ (* x y) 2.0))>
0.020 * * * [progress]: localizing error
0.024 * * * [progress]: generating rewritten candidates
0.024 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.033 * * * [progress]: generating series expansions
0.033 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.033 * [approximate]: Taking taylor expansion of (* 0.5 (* x y)) in (x y) around 0
0.033 * [taylor]: Taking taylor expansion of (* 0.5 (* x y)) in y
0.033 * [taylor]: Taking taylor expansion of 0.5 in y
0.033 * [taylor]: Taking taylor expansion of (* x y) in y
0.033 * [taylor]: Taking taylor expansion of x in y
0.033 * [taylor]: Taking taylor expansion of y in y
0.033 * [taylor]: Taking taylor expansion of (* 0.5 (* x y)) in x
0.033 * [taylor]: Taking taylor expansion of 0.5 in x
0.033 * [taylor]: Taking taylor expansion of (* x y) in x
0.033 * [taylor]: Taking taylor expansion of x in x
0.033 * [taylor]: Taking taylor expansion of y in x
0.033 * [taylor]: Taking taylor expansion of (* 0.5 (* x y)) in x
0.033 * [taylor]: Taking taylor expansion of 0.5 in x
0.033 * [taylor]: Taking taylor expansion of (* x y) in x
0.033 * [taylor]: Taking taylor expansion of x in x
0.033 * [taylor]: Taking taylor expansion of y in x
0.036 * [taylor]: Taking taylor expansion of 0 in y
0.037 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.037 * [taylor]: Taking taylor expansion of 0.5 in y
0.037 * [taylor]: Taking taylor expansion of y in y
0.039 * [taylor]: Taking taylor expansion of 0 in y
0.041 * [taylor]: Taking taylor expansion of 0 in y
0.044 * [taylor]: Taking taylor expansion of 0 in y
0.044 * [approximate]: Taking taylor expansion of (/ 0.5 (* x y)) in (x y) around 0
0.044 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in y
0.044 * [taylor]: Taking taylor expansion of 0.5 in y
0.044 * [taylor]: Taking taylor expansion of (* x y) in y
0.044 * [taylor]: Taking taylor expansion of x in y
0.044 * [taylor]: Taking taylor expansion of y in y
0.044 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in x
0.044 * [taylor]: Taking taylor expansion of 0.5 in x
0.044 * [taylor]: Taking taylor expansion of (* x y) in x
0.045 * [taylor]: Taking taylor expansion of x in x
0.045 * [taylor]: Taking taylor expansion of y in x
0.045 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in x
0.045 * [taylor]: Taking taylor expansion of 0.5 in x
0.045 * [taylor]: Taking taylor expansion of (* x y) in x
0.045 * [taylor]: Taking taylor expansion of x in x
0.045 * [taylor]: Taking taylor expansion of y in x
0.045 * [taylor]: Taking taylor expansion of (/ 0.5 y) in y
0.045 * [taylor]: Taking taylor expansion of 0.5 in y
0.045 * [taylor]: Taking taylor expansion of y in y
0.046 * [taylor]: Taking taylor expansion of 0 in y
0.048 * [taylor]: Taking taylor expansion of 0 in y
0.049 * [taylor]: Taking taylor expansion of 0 in y
0.050 * [approximate]: Taking taylor expansion of (/ 0.5 (* x y)) in (x y) around 0
0.050 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in y
0.050 * [taylor]: Taking taylor expansion of 0.5 in y
0.050 * [taylor]: Taking taylor expansion of (* x y) in y
0.050 * [taylor]: Taking taylor expansion of x in y
0.050 * [taylor]: Taking taylor expansion of y in y
0.051 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in x
0.051 * [taylor]: Taking taylor expansion of 0.5 in x
0.051 * [taylor]: Taking taylor expansion of (* x y) in x
0.051 * [taylor]: Taking taylor expansion of x in x
0.051 * [taylor]: Taking taylor expansion of y in x
0.051 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in x
0.051 * [taylor]: Taking taylor expansion of 0.5 in x
0.051 * [taylor]: Taking taylor expansion of (* x y) in x
0.051 * [taylor]: Taking taylor expansion of x in x
0.051 * [taylor]: Taking taylor expansion of y in x
0.051 * [taylor]: Taking taylor expansion of (/ 0.5 y) in y
0.052 * [taylor]: Taking taylor expansion of 0.5 in y
0.052 * [taylor]: Taking taylor expansion of y in y
0.052 * [taylor]: Taking taylor expansion of 0 in y
0.054 * [taylor]: Taking taylor expansion of 0 in y
0.056 * [taylor]: Taking taylor expansion of 0 in y
0.056 * * * [progress]: simplifying candidates
0.057 * [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 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)
  (/ (* (cbrt (* x y)) (cbrt (* x y))) (* (cbrt 2.0) (cbrt 2.0)))
  (/ (cbrt (* x y)) (cbrt 2.0))
  (/ (* (cbrt (* x y)) (cbrt (* x y))) (sqrt 2.0))
  (/ (cbrt (* x y)) (sqrt 2.0))
  (/ (* (cbrt (* x y)) (cbrt (* x y))) 1)
  (/ (cbrt (* x y)) 2.0)
  (/ (sqrt (* x y)) (* (cbrt 2.0) (cbrt 2.0)))
  (/ (sqrt (* x y)) (cbrt 2.0))
  (/ (sqrt (* x y)) (sqrt 2.0))
  (/ (sqrt (* x y)) (sqrt 2.0))
  (/ (sqrt (* x y)) 1)
  (/ (sqrt (* x y)) 2.0)
  (/ 1 (* (cbrt 2.0) (cbrt 2.0)))
  (/ (* x y) (cbrt 2.0))
  (/ 1 (sqrt 2.0))
  (/ (* x y) (sqrt 2.0))
  (/ 1 1)
  (/ (* x y) 2.0)
  (/ (* (sqrt x) (sqrt y)) (* (cbrt 2.0) (cbrt 2.0)))
  (/ (* (sqrt x) (sqrt y)) (cbrt 2.0))
  (/ (* (sqrt x) (sqrt y)) (sqrt 2.0))
  (/ (* (sqrt x) (sqrt y)) (sqrt 2.0))
  (/ (* (sqrt x) (sqrt y)) 1)
  (/ (* (sqrt x) (sqrt y)) 2.0)
  (/ (* x (* (cbrt y) (cbrt y))) (* (cbrt 2.0) (cbrt 2.0)))
  (/ (cbrt y) (cbrt 2.0))
  (/ (* x (* (cbrt y) (cbrt y))) (sqrt 2.0))
  (/ (cbrt y) (sqrt 2.0))
  (/ (* x (* (cbrt y) (cbrt y))) 1)
  (/ (cbrt y) 2.0)
  (/ (* x (sqrt y)) (* (cbrt 2.0) (cbrt 2.0)))
  (/ (sqrt y) (cbrt 2.0))
  (/ (* x (sqrt y)) (sqrt 2.0))
  (/ (sqrt y) (sqrt 2.0))
  (/ (* x (sqrt y)) 1)
  (/ (sqrt y) 2.0)
  (/ (* x 1) (* (cbrt 2.0) (cbrt 2.0)))
  (/ y (cbrt 2.0))
  (/ (* x 1) (sqrt 2.0))
  (/ y (sqrt 2.0))
  (/ (* x 1) 1)
  (/ y 2.0)
  (/ (* (cbrt x) (cbrt x)) (* (cbrt 2.0) (cbrt 2.0)))
  (/ (* (cbrt x) y) (cbrt 2.0))
  (/ (* (cbrt x) (cbrt x)) (sqrt 2.0))
  (/ (* (cbrt x) y) (sqrt 2.0))
  (/ (* (cbrt x) (cbrt x)) 1)
  (/ (* (cbrt x) y) 2.0)
  (/ (sqrt x) (* (cbrt 2.0) (cbrt 2.0)))
  (/ (* (sqrt x) y) (cbrt 2.0))
  (/ (sqrt x) (sqrt 2.0))
  (/ (* (sqrt x) y) (sqrt 2.0))
  (/ (sqrt x) 1)
  (/ (* (sqrt x) y) 2.0)
  (/ 1 (* (cbrt 2.0) (cbrt 2.0)))
  (/ (* x y) (cbrt 2.0))
  (/ 1 (sqrt 2.0))
  (/ (* x y) (sqrt 2.0))
  (/ 1 1)
  (/ (* x y) 2.0)
  (/ y (* (cbrt 2.0) (cbrt 2.0)))
  (/ x (cbrt 2.0))
  (/ y (sqrt 2.0))
  (/ x (sqrt 2.0))
  (/ y 1)
  (/ x 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)
  (/ 2.0 (cbrt (* x y)))
  (/ 2.0 (sqrt (* x y)))
  (/ 2.0 (* x y))
  (/ 2.0 (* (sqrt x) (sqrt y)))
  (/ 2.0 (cbrt y))
  (/ 2.0 (sqrt y))
  (/ 2.0 y)
  (/ 2.0 (* (cbrt x) y))
  (/ 2.0 (* (sqrt x) y))
  (/ 2.0 (* x y))
  (/ 2.0 x)
  (* 0.5 (* x y))
  (* 0.5 (* x y))
  (* 0.5 (* x y))
0.062 * * [simplify]: iteration  0 :  269  enodes  (cost  343 )
0.067 * * [simplify]: iteration  1 :  1180  enodes  (cost  328 )
0.087 * * [simplify]: iteration  2 :  5001  enodes  (cost  328 )
0.090 * [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)
  (/ (* (cbrt (* x y)) (cbrt (* x y))) (* (cbrt 2.0) (cbrt 2.0)))
  (/ (cbrt (* x y)) (cbrt 2.0))
  (/ (* (cbrt (* x y)) (cbrt (* x y))) (sqrt 2.0))
  (/ (cbrt (* x y)) (sqrt 2.0))
  (* (cbrt (* x y)) (cbrt (* x y)))
  (/ (cbrt (* x y)) 2.0)
  (/ (sqrt (* x y)) (* (cbrt 2.0) (cbrt 2.0)))
  (/ (sqrt (* x y)) (cbrt 2.0))
  (/ (sqrt (* x y)) (sqrt 2.0))
  (/ (sqrt (* x y)) (sqrt 2.0))
  (sqrt (* x y))
  (/ (sqrt (* x y)) 2.0)
  (/ 1 (* (cbrt 2.0) (cbrt 2.0)))
  (/ (* x y) (cbrt 2.0))
  (/ 1 (sqrt 2.0))
  (/ (* x y) (sqrt 2.0))
  1
  (/ (* x y) 2.0)
  (/ (* (sqrt x) (sqrt y)) (* (cbrt 2.0) (cbrt 2.0)))
  (/ (* (sqrt x) (sqrt y)) (cbrt 2.0))
  (/ (* (sqrt x) (sqrt y)) (sqrt 2.0))
  (/ (* (sqrt x) (sqrt y)) (sqrt 2.0))
  (* (sqrt x) (sqrt y))
  (/ (* (sqrt x) (sqrt y)) 2.0)
  (/ (* x (* (cbrt y) (cbrt y))) (* (cbrt 2.0) (cbrt 2.0)))
  (/ (cbrt y) (cbrt 2.0))
  (/ (* x (* (cbrt y) (cbrt y))) (sqrt 2.0))
  (/ (cbrt y) (sqrt 2.0))
  (* x (* (cbrt y) (cbrt y)))
  (/ (cbrt y) 2.0)
  (/ (* x (sqrt y)) (* (cbrt 2.0) (cbrt 2.0)))
  (/ (sqrt y) (cbrt 2.0))
  (/ (* x (sqrt y)) (sqrt 2.0))
  (/ (sqrt y) (sqrt 2.0))
  (* x (sqrt y))
  (/ (sqrt 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)
  (/ (* (cbrt x) (cbrt x)) (* (cbrt 2.0) (cbrt 2.0)))
  (/ (* (cbrt x) y) (cbrt 2.0))
  (/ (* (cbrt x) (cbrt x)) (sqrt 2.0))
  (/ (* (cbrt x) y) (sqrt 2.0))
  (* (cbrt x) (cbrt x))
  (/ (* (cbrt x) y) 2.0)
  (/ (sqrt x) (* (cbrt 2.0) (cbrt 2.0)))
  (/ (* (sqrt x) y) (cbrt 2.0))
  (/ (sqrt x) (sqrt 2.0))
  (/ (* (sqrt x) y) (sqrt 2.0))
  (sqrt x)
  (/ (* (sqrt x) y) 2.0)
  (/ 1 (* (cbrt 2.0) (cbrt 2.0)))
  (/ (* x y) (cbrt 2.0))
  (/ 1 (sqrt 2.0))
  (/ (* x y) (sqrt 2.0))
  1
  (/ (* x y) 2.0)
  (/ y (* (cbrt 2.0) (cbrt 2.0)))
  (/ x (cbrt 2.0))
  (/ y (sqrt 2.0))
  (/ x (sqrt 2.0))
  y
  (/ x 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)
  (/ 2.0 (cbrt (* x y)))
  (/ 2.0 (sqrt (* x y)))
  (/ 2.0 (* x y))
  (/ 2.0 (* (sqrt x) (sqrt y)))
  (/ 2.0 (cbrt y))
  (/ 2.0 (sqrt y))
  (/ 2.0 y)
  (/ 2.0 (* (cbrt x) y))
  (/ 2.0 (* (sqrt x) y))
  (/ 2.0 (* x y))
  (/ 2.0 x)
  (* 0.5 (* x y))
  (* 0.5 (* x y))
  (* 0.5 (* x y))
0.090 * * * [progress]: adding candidates to table
0.170 * * [progress]: iteration 2 / 4
0.170 * * * [progress]: picking best candidate
0.171 * * * * [pick]: Picked  #<alt (λ (x y) (* y (/ x 2.0)))>
0.171 * * * [progress]: localizing error
0.175 * * * [progress]: generating rewritten candidates
0.175 * * * [progress]: generating series expansions
0.175 * * * [progress]: simplifying candidates
0.175 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.177 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.177 * [simplify]: Simplified to:
   
0.177 * * * [progress]: adding candidates to table
0.177 * [progress]: [Phase 3 of 3] Extracting.
0.178 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* y (/ x 2.0))
0.179 * * [simplify]: iteration  0 :  6  enodes  (cost  2 )
0.179 * * [simplify]: iteration  1 :  6  enodes  (cost  2 )
0.179 * [simplify]: Simplified to:
   (* y (/ x 2.0))
0.498 * [regime-testing]: End program error score: 0.0005944352421757056