18.347 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.042 * * * [progress]: [2/2] Setting up program.
0.044 * [progress]: [Phase 2 of 3] Improving.
0.044 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/.f64 (*.f64 x y) 2.0)
0.049 * * [simplify]: iteration  0 :  16  enodes  (cost  5 )
0.049 * * [simplify]: iteration  1 :  16  enodes  (cost  5 )
0.049 * [simplify]: Simplified to:
   (/.f64 (*.f64 x y) 2.0)
0.049 * * [progress]: iteration 1 / 4
0.049 * * * [progress]: picking best candidate
0.051 * * * * [pick]: Picked  #<alt (λ (x y) (/.f64 (*.f64 x y) 2.0))>
0.051 * * * [progress]: localizing error
0.054 * * * [progress]: generating rewritten candidates
0.054 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.060 * * * [progress]: generating series expansions
0.060 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.060 * [approximate]: Taking taylor expansion of (* 0.5 (* x y)) in (x y) around 0
0.060 * [taylor]: Taking taylor expansion of (* 0.5 (* x y)) in y
0.060 * [taylor]: Taking taylor expansion of 0.5 in y
0.060 * [taylor]: Taking taylor expansion of (* x y) in y
0.060 * [taylor]: Taking taylor expansion of x in y
0.060 * [taylor]: Taking taylor expansion of y in y
0.060 * [taylor]: Taking taylor expansion of (* 0.5 (* x y)) in x
0.060 * [taylor]: Taking taylor expansion of 0.5 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 (* x y)) in x
0.060 * [taylor]: Taking taylor expansion of 0.5 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 in y
0.060 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.060 * [taylor]: Taking taylor expansion of 0.5 in y
0.060 * [taylor]: Taking taylor expansion of y in y
0.061 * [taylor]: Taking taylor expansion of 0 in y
0.061 * [taylor]: Taking taylor expansion of 0 in y
0.061 * [taylor]: Taking taylor expansion of 0 in y
0.061 * [approximate]: Taking taylor expansion of (/ 0.5 (* x y)) in (x y) around 0
0.061 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in y
0.061 * [taylor]: Taking taylor expansion of 0.5 in y
0.061 * [taylor]: Taking taylor expansion of (* x y) in y
0.061 * [taylor]: Taking taylor expansion of x in y
0.061 * [taylor]: Taking taylor expansion of y in y
0.061 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in x
0.061 * [taylor]: Taking taylor expansion of 0.5 in x
0.061 * [taylor]: Taking taylor expansion of (* x y) in x
0.061 * [taylor]: Taking taylor expansion of x in x
0.061 * [taylor]: Taking taylor expansion of y in x
0.062 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in x
0.062 * [taylor]: Taking taylor expansion of 0.5 in x
0.062 * [taylor]: Taking taylor expansion of (* x y) in x
0.062 * [taylor]: Taking taylor expansion of x in x
0.062 * [taylor]: Taking taylor expansion of y in x
0.062 * [taylor]: Taking taylor expansion of (/ 0.5 y) in y
0.062 * [taylor]: Taking taylor expansion of 0.5 in y
0.062 * [taylor]: Taking taylor expansion of y in y
0.062 * [taylor]: Taking taylor expansion of 0 in y
0.062 * [taylor]: Taking taylor expansion of 0 in y
0.062 * [taylor]: Taking taylor expansion of 0 in y
0.063 * [approximate]: Taking taylor expansion of (/ 0.5 (* x y)) in (x y) around 0
0.063 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in y
0.063 * [taylor]: Taking taylor expansion of 0.5 in y
0.063 * [taylor]: Taking taylor expansion of (* x y) in y
0.063 * [taylor]: Taking taylor expansion of x in y
0.063 * [taylor]: Taking taylor expansion of y in y
0.063 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in x
0.063 * [taylor]: Taking taylor expansion of 0.5 in x
0.063 * [taylor]: Taking taylor expansion of (* x y) in x
0.063 * [taylor]: Taking taylor expansion of x in x
0.063 * [taylor]: Taking taylor expansion of y in x
0.063 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in x
0.063 * [taylor]: Taking taylor expansion of 0.5 in x
0.063 * [taylor]: Taking taylor expansion of (* x y) in x
0.063 * [taylor]: Taking taylor expansion of x in x
0.063 * [taylor]: Taking taylor expansion of y in x
0.063 * [taylor]: Taking taylor expansion of (/ 0.5 y) in y
0.063 * [taylor]: Taking taylor expansion of 0.5 in y
0.063 * [taylor]: Taking taylor expansion of y in y
0.063 * [taylor]: Taking taylor expansion of 0 in y
0.064 * [taylor]: Taking taylor expansion of 0 in y
0.064 * [taylor]: Taking taylor expansion of 0 in y
0.065 * * * [progress]: simplifying candidates
0.065 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (-.f64 (+.f64 (log.f64 x) (log.f64 y)) (log.f64 2.0))
  (-.f64 (log.f64 (*.f64 x y)) (log.f64 2.0))
  (log.f64 (/.f64 (*.f64 x y) 2.0))
  (exp.f64 (/.f64 (*.f64 x y) 2.0))
  (/.f64 (*.f64 (*.f64 (*.f64 x x) x) (*.f64 (*.f64 y y) y)) (*.f64 (*.f64 2.0 2.0) 2.0))
  (/.f64 (*.f64 (*.f64 (*.f64 x y) (*.f64 x y)) (*.f64 x y)) (*.f64 (*.f64 2.0 2.0) 2.0))
  (*.f64 (cbrt.f64 (/.f64 (*.f64 x y) 2.0)) (cbrt.f64 (/.f64 (*.f64 x y) 2.0)))
  (cbrt.f64 (/.f64 (*.f64 x y) 2.0))
  (*.f64 (*.f64 (/.f64 (*.f64 x y) 2.0) (/.f64 (*.f64 x y) 2.0)) (/.f64 (*.f64 x y) 2.0))
  (sqrt.f64 (/.f64 (*.f64 x y) 2.0))
  (sqrt.f64 (/.f64 (*.f64 x y) 2.0))
  (neg.f64 (*.f64 x y))
  (neg.f64 2.0)
  (/.f64 x (*.f64 (cbrt.f64 2.0) (cbrt.f64 2.0)))
  (/.f64 y (cbrt.f64 2.0))
  (/.f64 x (sqrt.f64 2.0))
  (/.f64 y (sqrt.f64 2.0))
  (/.f64 x 1)
  (/.f64 y 2.0)
  (/.f64 1 2.0)
  (/.f64 2.0 (*.f64 x y))
  (/.f64 (*.f64 x y) (*.f64 (cbrt.f64 2.0) (cbrt.f64 2.0)))
  (/.f64 (*.f64 x y) (sqrt.f64 2.0))
  (/.f64 (*.f64 x y) 1)
  (/.f64 2.0 y)
  (*.f64 0.5 (*.f64 x y))
  (*.f64 0.5 (*.f64 x y))
  (*.f64 0.5 (*.f64 x y))
0.144 * * [simplify]: iteration  0 :  4663  enodes  (cost  149 )
0.144 * * [simplify]: iteration  1 :  4663  enodes  (cost  149 )
0.145 * [simplify]: Simplified to:
   (log.f64 (/.f64 (*.f64 x y) 2.0))
  (log.f64 (/.f64 (*.f64 x y) 2.0))
  (log.f64 (/.f64 (*.f64 x y) 2.0))
  (exp.f64 (/.f64 (*.f64 x y) 2.0))
  (pow.f64 (/.f64 (*.f64 x y) 2.0) 3)
  (pow.f64 (/.f64 (*.f64 x y) 2.0) 3)
  (*.f64 (cbrt.f64 (/.f64 (*.f64 x y) 2.0)) (cbrt.f64 (/.f64 (*.f64 x y) 2.0)))
  (cbrt.f64 (/.f64 (*.f64 x y) 2.0))
  (pow.f64 (/.f64 (*.f64 x y) 2.0) 3)
  (sqrt.f64 (/.f64 (*.f64 x y) 2.0))
  (sqrt.f64 (/.f64 (*.f64 x y) 2.0))
  (neg.f64 (*.f64 x y))
  (neg.f64 2.0)
  (/.f64 x (*.f64 (cbrt.f64 2.0) (cbrt.f64 2.0)))
  (/.f64 y (cbrt.f64 2.0))
  (/.f64 x (sqrt.f64 2.0))
  (/.f64 y (sqrt.f64 2.0))
  x
  (/.f64 y 2.0)
  (/.f64 1 2.0)
  (/.f64 2.0 (*.f64 x y))
  (*.f64 y (/.f64 x (*.f64 (cbrt.f64 2.0) (cbrt.f64 2.0))))
  (*.f64 x (/.f64 y (sqrt.f64 2.0)))
  (*.f64 x y)
  (/.f64 2.0 y)
  (*.f64 (*.f64 x y) 0.5)
  (*.f64 (*.f64 x y) 0.5)
  (*.f64 (*.f64 x y) 0.5)
0.145 * * * [progress]: adding candidates to table
0.167 * * [progress]: iteration 2 / 4
0.167 * * * [progress]: picking best candidate
0.169 * * * * [pick]: Picked  #<alt (λ (x y) (*.f64 x (/.f64 y 2.0)))>
0.169 * * * [progress]: localizing error
0.172 * * * [progress]: generating rewritten candidates
0.172 * * * [progress]: generating series expansions
0.172 * * * [progress]: simplifying candidates
0.172 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.176 * * [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.
0.180 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (*.f64 x (/.f64 y 2.0))
0.181 * * [simplify]: iteration  0 :  6  enodes  (cost  5 )
0.181 * * [simplify]: iteration  1 :  6  enodes  (cost  5 )
0.181 * [simplify]: Simplified to:
   (*.f64 x (/.f64 y 2.0))
0.646 * [regime-testing]: End program error score: 0.000540308550429724