15.141 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.040 * * * [progress]: [2/2] Setting up program.
0.043 * [progress]: [Phase 2 of 3] Improving.
0.043 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (* x y) 2.0)
0.045 * * [simplify]: iteration  0 :  16  enodes  (cost  5 )
0.045 * * [simplify]: iteration  1 :  16  enodes  (cost  5 )
0.045 * [simplify]: Simplified to:
   (* x (/ y 2.0))
0.048 * * [progress]: iteration 1 / 4
0.048 * * * [progress]: picking best candidate
0.052 * * * * [pick]: Picked  #<alt (λ (x y) (/ (* x y) 2.0))>
0.052 * * * [progress]: localizing error
0.055 * * * [progress]: generating rewritten candidates
0.055 * * * * [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
0.061 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.061 * [taylor]: Taking taylor expansion of 0.5 in y
0.061 * [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
0.061 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in x
0.061 * [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
0.062 * [approximate]: Taking taylor expansion of (/ 0.5 (* x y)) in (x y) around 0
0.062 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in y
0.062 * [taylor]: Taking taylor expansion of 0.5 in y
0.062 * [taylor]: Taking taylor expansion of (* x y) in y
0.062 * [taylor]: Taking taylor expansion of x in y
0.062 * [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
0.063 * [taylor]: Taking taylor expansion of 0 in y
0.063 * [taylor]: Taking taylor expansion of 0 in y
0.064 * * * [progress]: simplifying candidates
0.064 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (+ (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))
  (neg (* x y))
  (neg 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))
0.129 * * [simplify]: iteration  0 :  4663  enodes  (cost  149 )
0.129 * * [simplify]: iteration  1 :  4663  enodes  (cost  149 )
0.130 * [simplify]: Simplified to:
   (log (* x (/ y 2.0)))
  (log (* x (/ y 2.0)))
  (log (* x (/ y 2.0)))
  (pow (exp (/ x 2.0)) y)
  (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 (neg y))
  (neg 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)
  (* x (* y 0.5))
  (* x (* y 0.5))
  (* x (* y 0.5))
0.130 * * * [progress]: adding candidates to table
0.154 * * [progress]: iteration 2 / 4
0.154 * * * [progress]: picking best candidate
0.156 * * * * [pick]: Picked  #<alt (λ (x y) (* x (/ y 2.0)))>
0.156 * * * [progress]: localizing error
0.159 * * * [progress]: generating rewritten candidates
0.159 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.166 * * * [progress]: generating series expansions
0.166 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.166 * [approximate]: Taking taylor expansion of (* 0.5 (* x y)) in (x y) around 0
0.166 * [taylor]: Taking taylor expansion of (* 0.5 (* x y)) in y
0.166 * [taylor]: Taking taylor expansion of 0.5 in y
0.166 * [taylor]: Taking taylor expansion of (* x y) in y
0.166 * [taylor]: Taking taylor expansion of x in y
0.166 * [taylor]: Taking taylor expansion of y in y
0.166 * [taylor]: Taking taylor expansion of (* 0.5 (* x y)) in x
0.166 * [taylor]: Taking taylor expansion of 0.5 in x
0.166 * [taylor]: Taking taylor expansion of (* x y) in x
0.166 * [taylor]: Taking taylor expansion of x in x
0.166 * [taylor]: Taking taylor expansion of y in x
0.166 * [taylor]: Taking taylor expansion of (* 0.5 (* x y)) in x
0.166 * [taylor]: Taking taylor expansion of 0.5 in x
0.166 * [taylor]: Taking taylor expansion of (* x y) in x
0.166 * [taylor]: Taking taylor expansion of x in x
0.167 * [taylor]: Taking taylor expansion of y in x
0.167 * [taylor]: Taking taylor expansion of 0 in y
0.167 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.167 * [taylor]: Taking taylor expansion of 0.5 in y
0.167 * [taylor]: Taking taylor expansion of y in y
0.167 * [taylor]: Taking taylor expansion of 0 in y
0.167 * [taylor]: Taking taylor expansion of 0 in y
0.167 * [taylor]: Taking taylor expansion of 0 in y
0.167 * [approximate]: Taking taylor expansion of (/ 0.5 (* x y)) in (x y) around 0
0.167 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in y
0.167 * [taylor]: Taking taylor expansion of 0.5 in y
0.167 * [taylor]: Taking taylor expansion of (* x y) in y
0.167 * [taylor]: Taking taylor expansion of x in y
0.167 * [taylor]: Taking taylor expansion of y in y
0.167 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in x
0.167 * [taylor]: Taking taylor expansion of 0.5 in x
0.167 * [taylor]: Taking taylor expansion of (* x y) in x
0.167 * [taylor]: Taking taylor expansion of x in x
0.168 * [taylor]: Taking taylor expansion of y in x
0.168 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in x
0.168 * [taylor]: Taking taylor expansion of 0.5 in x
0.168 * [taylor]: Taking taylor expansion of (* x y) in x
0.168 * [taylor]: Taking taylor expansion of x in x
0.168 * [taylor]: Taking taylor expansion of y in x
0.168 * [taylor]: Taking taylor expansion of (/ 0.5 y) in y
0.168 * [taylor]: Taking taylor expansion of 0.5 in y
0.168 * [taylor]: Taking taylor expansion of y in y
0.168 * [taylor]: Taking taylor expansion of 0 in y
0.168 * [taylor]: Taking taylor expansion of 0 in y
0.168 * [taylor]: Taking taylor expansion of 0 in y
0.168 * [approximate]: Taking taylor expansion of (/ 0.5 (* x y)) in (x y) around 0
0.169 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in y
0.169 * [taylor]: Taking taylor expansion of 0.5 in y
0.169 * [taylor]: Taking taylor expansion of (* x y) in y
0.169 * [taylor]: Taking taylor expansion of x in y
0.169 * [taylor]: Taking taylor expansion of y in y
0.169 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in x
0.169 * [taylor]: Taking taylor expansion of 0.5 in x
0.169 * [taylor]: Taking taylor expansion of (* x y) in x
0.169 * [taylor]: Taking taylor expansion of x in x
0.169 * [taylor]: Taking taylor expansion of y in x
0.169 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in x
0.169 * [taylor]: Taking taylor expansion of 0.5 in x
0.169 * [taylor]: Taking taylor expansion of (* x y) in x
0.169 * [taylor]: Taking taylor expansion of x in x
0.169 * [taylor]: Taking taylor expansion of y in x
0.169 * [taylor]: Taking taylor expansion of (/ 0.5 y) in y
0.169 * [taylor]: Taking taylor expansion of 0.5 in y
0.169 * [taylor]: Taking taylor expansion of y in y
0.169 * [taylor]: Taking taylor expansion of 0 in y
0.169 * [taylor]: Taking taylor expansion of 0 in y
0.169 * [taylor]: Taking taylor expansion of 0 in y
0.170 * * * [progress]: simplifying candidates
0.170 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* 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)))
  (* (sqrt x) (sqrt (/ y 2.0)))
  (* (sqrt x) (sqrt (/ y 2.0)))
  (* (sqrt x) (/ (sqrt y) (sqrt 2.0)))
  (* (sqrt x) (/ (sqrt y) (sqrt 2.0)))
  (* x (* (cbrt (/ y 2.0)) (cbrt (/ y 2.0))))
  (* x (sqrt (/ y 2.0)))
  (* x (/ (* (cbrt y) (cbrt y)) (* (cbrt 2.0) (cbrt 2.0))))
  (* x (/ (* (cbrt y) (cbrt y)) (sqrt 2.0)))
  (* x (/ (* (cbrt y) (cbrt y)) 1))
  (* x (/ (sqrt y) (* (cbrt 2.0) (cbrt 2.0))))
  (* x (/ (sqrt y) (sqrt 2.0)))
  (* x (/ (sqrt y) 1))
  (* x (/ 1 (* (cbrt 2.0) (cbrt 2.0))))
  (* x (/ 1 (sqrt 2.0)))
  (* x (/ 1 1))
  (* x 1)
  (* x y)
  (* (cbrt x) (/ y 2.0))
  (* (sqrt x) (/ y 2.0))
  (* x (/ y 2.0))
  (* x y)
  (* 0.5 (* x y))
  (* 0.5 (* x y))
  (* 0.5 (* x y))
0.225 * * [simplify]: iteration  0 :  5071  enodes  (cost  230 )
0.226 * [simplify]: Simplified to:
   (* x (/ y 2.0))
  (log (* x (/ y 2.0)))
  (log (* x (/ y 2.0)))
  (log (* x (/ y 2.0)))
  (pow (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)))
  (* (sqrt x) (sqrt (/ y 2.0)))
  (* (sqrt x) (sqrt (/ y 2.0)))
  (* (sqrt x) (/ (sqrt y) (sqrt 2.0)))
  (* (sqrt x) (/ (sqrt y) (sqrt 2.0)))
  (* x (* (cbrt (/ y 2.0)) (cbrt (/ y 2.0))))
  (* x (sqrt (/ y 2.0)))
  (* x (* (cbrt y) (/ (cbrt y) (* (cbrt 2.0) (cbrt 2.0)))))
  (* x (* (cbrt y) (/ (cbrt y) (sqrt 2.0))))
  (* x (* (cbrt y) (cbrt y)))
  (* x (/ (sqrt y) (* (cbrt 2.0) (cbrt 2.0))))
  (* x (/ (sqrt y) (sqrt 2.0)))
  (* x (sqrt y))
  (/ x (* (cbrt 2.0) (cbrt 2.0)))
  (/ x (sqrt 2.0))
  x
  x
  (* x y)
  (* y (/ (cbrt x) 2.0))
  (* y (/ (sqrt x) 2.0))
  (* x (/ y 2.0))
  (* x y)
  (* x (* y 0.5))
  (* x (* y 0.5))
  (* x (* y 0.5))
0.226 * * * [progress]: adding candidates to table
0.260 * [progress]: [Phase 3 of 3] Extracting.
0.260 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (* x (/ y 2.0)))> #<alt (λ (x y) (/ (* x y) 2.0))>)
0.260 * * * [regime-changes]: Trying 4 branch expressions: ((* x y) (/ (* x y) 2.0) y x)
0.260 * * * * [regimes]: Trying to branch on (* x y) from (#<alt (λ (x y) (* x (/ y 2.0)))> #<alt (λ (x y) (/ (* x y) 2.0))>)
0.290 * * * * [regimes]: Trying to branch on (/ (* x y) 2.0) from (#<alt (λ (x y) (* x (/ y 2.0)))> #<alt (λ (x y) (/ (* x y) 2.0))>)
0.321 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (* x (/ y 2.0)))> #<alt (λ (x y) (/ (* x y) 2.0))>)
0.351 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (* x (/ y 2.0)))> #<alt (λ (x y) (/ (* x y) 2.0))>)
0.383 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
0.383 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (* x y) 2.0)
0.384 * * [simplify]: iteration  0 :  6  enodes  (cost  5 )
0.384 * * [simplify]: iteration  1 :  6  enodes  (cost  5 )
0.384 * [simplify]: Simplified to:
   (/ (* x y) 2.0)
0.895 * [regime-testing]: End program error score: 0.01975246905863233