12.771 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.018 * * * [progress]: [2/2] Setting up program.
0.019 * [progress]: [Phase 2 of 3] Improving.
0.019 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (+ (/ x 2.0) (* y x)) z)
0.022 * * [simplify]: iteration  0 :  13  enodes  (cost  4 )
0.023 * * [simplify]: iteration  1 :  24  enodes  (cost  3 )
0.024 * * [simplify]: iteration  2 :  28  enodes  (cost  3 )
0.026 * * [simplify]: iteration  3 :  30  enodes  (cost  3 )
0.027 * * [simplify]: iteration  4 :  30  enodes  (cost  3 )
0.027 * [simplify]: Simplified to:
   (+ (fma x y z) (/ x 2.0))
0.029 * * [progress]: iteration 1 / 4
0.029 * * * [progress]: picking best candidate
0.031 * * * * [pick]: Picked  #<alt (λ (x y z) (+ (+ (/ x 2.0) (* y x)) z))>
0.031 * * * [progress]: localizing error
0.037 * * * [progress]: generating rewritten candidates
0.037 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1)
0.046 * * * [progress]: generating series expansions
0.046 * * * * [progress]: [ 1 / 1 ] generating series at (2 1)
0.047 * [approximate]: Taking taylor expansion of (+ (* 0.5 x) (* x y)) in (x y) around 0
0.047 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* x y)) in y
0.047 * [taylor]: Taking taylor expansion of (* 0.5 x) in y
0.047 * [taylor]: Taking taylor expansion of 0.5 in y
0.047 * [taylor]: Taking taylor expansion of x in y
0.047 * [taylor]: Taking taylor expansion of (* x y) in y
0.047 * [taylor]: Taking taylor expansion of x in y
0.047 * [taylor]: Taking taylor expansion of y in y
0.047 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* x y)) in x
0.047 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.047 * [taylor]: Taking taylor expansion of 0.5 in x
0.047 * [taylor]: Taking taylor expansion of x in x
0.047 * [taylor]: Taking taylor expansion of (* x y) in x
0.047 * [taylor]: Taking taylor expansion of x in x
0.047 * [taylor]: Taking taylor expansion of y in x
0.047 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* x y)) in x
0.047 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.047 * [taylor]: Taking taylor expansion of 0.5 in x
0.047 * [taylor]: Taking taylor expansion of x in x
0.047 * [taylor]: Taking taylor expansion of (* x y) in x
0.047 * [taylor]: Taking taylor expansion of x in x
0.047 * [taylor]: Taking taylor expansion of y in x
0.048 * [taylor]: Taking taylor expansion of 0 in y
0.049 * [taylor]: Taking taylor expansion of (+ y 0.5) in y
0.049 * [taylor]: Taking taylor expansion of y in y
0.049 * [taylor]: Taking taylor expansion of 0.5 in y
0.050 * [taylor]: Taking taylor expansion of 0 in y
0.052 * [taylor]: Taking taylor expansion of 0 in y
0.054 * [taylor]: Taking taylor expansion of 0 in y
0.054 * [approximate]: Taking taylor expansion of (+ (/ 1 (* x y)) (* 0.5 (/ 1 x))) in (x y) around 0
0.054 * [taylor]: Taking taylor expansion of (+ (/ 1 (* x y)) (* 0.5 (/ 1 x))) in y
0.054 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.054 * [taylor]: Taking taylor expansion of (* x y) in y
0.054 * [taylor]: Taking taylor expansion of x in y
0.054 * [taylor]: Taking taylor expansion of y in y
0.055 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
0.055 * [taylor]: Taking taylor expansion of 0.5 in y
0.055 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.055 * [taylor]: Taking taylor expansion of x in y
0.055 * [taylor]: Taking taylor expansion of (+ (/ 1 (* x y)) (* 0.5 (/ 1 x))) in x
0.055 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.055 * [taylor]: Taking taylor expansion of (* x y) in x
0.055 * [taylor]: Taking taylor expansion of x in x
0.055 * [taylor]: Taking taylor expansion of y in x
0.055 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.055 * [taylor]: Taking taylor expansion of 0.5 in x
0.055 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.055 * [taylor]: Taking taylor expansion of x in x
0.056 * [taylor]: Taking taylor expansion of (+ (/ 1 (* x y)) (* 0.5 (/ 1 x))) in x
0.056 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.056 * [taylor]: Taking taylor expansion of (* x y) in x
0.056 * [taylor]: Taking taylor expansion of x in x
0.056 * [taylor]: Taking taylor expansion of y in x
0.056 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.056 * [taylor]: Taking taylor expansion of 0.5 in x
0.056 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.056 * [taylor]: Taking taylor expansion of x in x
0.057 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 0.5) in y
0.057 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.057 * [taylor]: Taking taylor expansion of y in y
0.057 * [taylor]: Taking taylor expansion of 0.5 in y
0.059 * [taylor]: Taking taylor expansion of 0 in y
0.061 * [taylor]: Taking taylor expansion of 0 in y
0.064 * [taylor]: Taking taylor expansion of 0 in y
0.067 * [taylor]: Taking taylor expansion of 0 in y
0.071 * [approximate]: Taking taylor expansion of (- (/ 1 (* x y)) (* 0.5 (/ 1 x))) in (x y) around 0
0.071 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (* 0.5 (/ 1 x))) in y
0.071 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.072 * [taylor]: Taking taylor expansion of (* x y) in y
0.072 * [taylor]: Taking taylor expansion of x in y
0.072 * [taylor]: Taking taylor expansion of y in y
0.072 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
0.072 * [taylor]: Taking taylor expansion of 0.5 in y
0.072 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.072 * [taylor]: Taking taylor expansion of x in y
0.072 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (* 0.5 (/ 1 x))) in x
0.072 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.072 * [taylor]: Taking taylor expansion of (* x y) in x
0.072 * [taylor]: Taking taylor expansion of x in x
0.072 * [taylor]: Taking taylor expansion of y in x
0.072 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.072 * [taylor]: Taking taylor expansion of 0.5 in x
0.072 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.072 * [taylor]: Taking taylor expansion of x in x
0.073 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (* 0.5 (/ 1 x))) in x
0.073 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.073 * [taylor]: Taking taylor expansion of (* x y) in x
0.073 * [taylor]: Taking taylor expansion of x in x
0.073 * [taylor]: Taking taylor expansion of y in x
0.073 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.073 * [taylor]: Taking taylor expansion of 0.5 in x
0.073 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.073 * [taylor]: Taking taylor expansion of x in x
0.074 * [taylor]: Taking taylor expansion of (- (/ 1 y) 0.5) in y
0.074 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.074 * [taylor]: Taking taylor expansion of y in y
0.074 * [taylor]: Taking taylor expansion of 0.5 in y
0.076 * [taylor]: Taking taylor expansion of 0 in y
0.080 * [taylor]: Taking taylor expansion of 0 in y
0.083 * [taylor]: Taking taylor expansion of 0 in y
0.087 * [taylor]: Taking taylor expansion of 0 in y
0.087 * * * [progress]: simplifying candidates
0.088 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (expm1 (+ (/ x 2.0) (* y x)))
  (log1p (+ (/ x 2.0) (* y x)))
  (* (exp (/ x 2.0)) (exp (* y x)))
  (log (+ (/ x 2.0) (* y x)))
  (exp (+ (/ x 2.0) (* y x)))
  (* (cbrt (+ (/ x 2.0) (* y x))) (cbrt (+ (/ x 2.0) (* y x))))
  (cbrt (+ (/ x 2.0) (* y x)))
  (* (* (+ (/ x 2.0) (* y x)) (+ (/ x 2.0) (* y x))) (+ (/ x 2.0) (* y x)))
  (sqrt (+ (/ x 2.0) (* y x)))
  (sqrt (+ (/ x 2.0) (* y x)))
  (+ (pow (/ x 2.0) 3) (pow (* y x) 3))
  (+ (* (/ x 2.0) (/ x 2.0)) (- (* (* y x) (* y x)) (* (/ x 2.0) (* y x))))
  (- (* (/ x 2.0) (/ x 2.0)) (* (* y x) (* y x)))
  (- (/ x 2.0) (* y x))
  (+ (* 0.5 x) (* x y))
  (+ (* 0.5 x) (* x y))
  (+ (* 0.5 x) (* x y))
0.091 * * [simplify]: iteration  0 :  99  enodes  (cost  82 )
0.093 * * [simplify]: iteration  1 :  325  enodes  (cost  72 )
0.099 * * [simplify]: iteration  2 :  960  enodes  (cost  72 )
0.116 * * [simplify]: iteration  3 :  2740  enodes  (cost  72 )
0.161 * * [simplify]: iteration  4 :  5002  enodes  (cost  72 )
0.162 * [simplify]: Simplified to:
   (expm1 (+ (/ x 2.0) (* y x)))
  (log1p (+ (/ x 2.0) (* y x)))
  (exp (+ (/ x 2.0) (* y x)))
  (log (+ (/ x 2.0) (* y x)))
  (exp (+ (/ x 2.0) (* y x)))
  (* (cbrt (+ (/ x 2.0) (* y x))) (cbrt (+ (/ x 2.0) (* y x))))
  (cbrt (+ (/ x 2.0) (* y x)))
  (pow (fma x y (/ x 2.0)) 3)
  (sqrt (+ (/ x 2.0) (* y x)))
  (sqrt (+ (/ x 2.0) (* y x)))
  (+ (pow (/ x 2.0) 3) (pow (* y x) 3))
  (fma (* y x) (- (* y x) (/ x 2.0)) (* (/ x 2.0) (/ x 2.0)))
  (* (- (/ x 2.0) (* y x)) (fma x y (/ x 2.0)))
  (- (/ x 2.0) (* y x))
  (fma 0.5 x (* x y))
  (fma 0.5 x (* x y))
  (fma 0.5 x (* x y))
0.162 * * * [progress]: adding candidates to table
0.228 * [progress]: [Phase 3 of 3] Extracting.
0.230 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (+ (/ x 2.0) (* y x)) z)
0.230 * * [simplify]: iteration  0 :  11  enodes  (cost  4 )
0.231 * * [simplify]: iteration  1 :  11  enodes  (cost  4 )
0.231 * [simplify]: Simplified to:
   (+ (+ (/ x 2.0) (* y x)) z)
0.860 * [regime-testing]: End program error score: 0.006875859482435304