8.401 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.018 * * * [progress]: [2/2] Setting up program.
0.020 * [progress]: [Phase 2 of 3] Improving.
0.020 * [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 :  20  enodes  (cost  4 )
0.025 * * [simplify]: iteration  2 :  22  enodes  (cost  4 )
0.026 * * [simplify]: iteration  3 :  22  enodes  (cost  4 )
0.026 * [simplify]: Simplified to:
   (+ (+ (/ x 2.0) (* y x)) z)
0.026 * * [progress]: iteration 1 / 4
0.026 * * * [progress]: picking best candidate
0.028 * * * * [pick]: Picked  #<alt (λ (x y z) (+ (+ (/ x 2.0) (* y x)) z))>
0.028 * * * [progress]: localizing error
0.035 * * * [progress]: generating rewritten candidates
0.035 * * * * [progress]: [ 1 / 2 ] rewriting at (2 1)
0.041 * * * * [progress]: [ 2 / 2 ] rewriting at (2)
0.049 * * * [progress]: generating series expansions
0.049 * * * * [progress]: [ 1 / 2 ] generating series at (2 1)
0.049 * [approximate]: Taking taylor expansion of (+ (* 0.5 x) (* x y)) in (x y) around 0
0.049 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* x y)) in y
0.049 * [taylor]: Taking taylor expansion of (* 0.5 x) in y
0.049 * [taylor]: Taking taylor expansion of 0.5 in y
0.049 * [taylor]: Taking taylor expansion of x in y
0.049 * [taylor]: Taking taylor expansion of (* x y) in y
0.049 * [taylor]: Taking taylor expansion of x in y
0.049 * [taylor]: Taking taylor expansion of y in y
0.049 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* x y)) in x
0.049 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.049 * [taylor]: Taking taylor expansion of 0.5 in x
0.049 * [taylor]: Taking taylor expansion of x in x
0.049 * [taylor]: Taking taylor expansion of (* x y) in x
0.049 * [taylor]: Taking taylor expansion of x in x
0.049 * [taylor]: Taking taylor expansion of y in x
0.049 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* x y)) in x
0.049 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.049 * [taylor]: Taking taylor expansion of 0.5 in x
0.049 * [taylor]: Taking taylor expansion of x in x
0.049 * [taylor]: Taking taylor expansion of (* x y) in x
0.049 * [taylor]: Taking taylor expansion of x in x
0.050 * [taylor]: Taking taylor expansion of y in x
0.050 * [taylor]: Taking taylor expansion of 0 in y
0.052 * [taylor]: Taking taylor expansion of (+ y 0.5) in y
0.052 * [taylor]: Taking taylor expansion of y in y
0.052 * [taylor]: Taking taylor expansion of 0.5 in y
0.053 * [taylor]: Taking taylor expansion of 0 in y
0.055 * [taylor]: Taking taylor expansion of 0 in y
0.057 * [taylor]: Taking taylor expansion of 0 in y
0.057 * [approximate]: Taking taylor expansion of (+ (/ 1 (* x y)) (* 0.5 (/ 1 x))) in (x y) around 0
0.058 * [taylor]: Taking taylor expansion of (+ (/ 1 (* x y)) (* 0.5 (/ 1 x))) in y
0.058 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.058 * [taylor]: Taking taylor expansion of (* x y) in y
0.058 * [taylor]: Taking taylor expansion of x in y
0.058 * [taylor]: Taking taylor expansion of y in y
0.058 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
0.058 * [taylor]: Taking taylor expansion of 0.5 in y
0.058 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.058 * [taylor]: Taking taylor expansion of x in y
0.058 * [taylor]: Taking taylor expansion of (+ (/ 1 (* x y)) (* 0.5 (/ 1 x))) in x
0.058 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.058 * [taylor]: Taking taylor expansion of (* x y) in x
0.058 * [taylor]: Taking taylor expansion of x in x
0.058 * [taylor]: Taking taylor expansion of y in x
0.058 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.058 * [taylor]: Taking taylor expansion of 0.5 in x
0.058 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.058 * [taylor]: Taking taylor expansion of x in x
0.059 * [taylor]: Taking taylor expansion of (+ (/ 1 (* x y)) (* 0.5 (/ 1 x))) in x
0.059 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.059 * [taylor]: Taking taylor expansion of (* x y) in x
0.059 * [taylor]: Taking taylor expansion of x in x
0.059 * [taylor]: Taking taylor expansion of y in x
0.059 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.059 * [taylor]: Taking taylor expansion of 0.5 in x
0.059 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.059 * [taylor]: Taking taylor expansion of x in x
0.060 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 0.5) in y
0.060 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.060 * [taylor]: Taking taylor expansion of y in y
0.060 * [taylor]: Taking taylor expansion of 0.5 in y
0.062 * [taylor]: Taking taylor expansion of 0 in y
0.065 * [taylor]: Taking taylor expansion of 0 in y
0.068 * [taylor]: Taking taylor expansion of 0 in y
0.071 * [taylor]: Taking taylor expansion of 0 in y
0.072 * [approximate]: Taking taylor expansion of (- (/ 1 (* x y)) (* 0.5 (/ 1 x))) in (x y) around 0
0.072 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (* 0.5 (/ 1 x))) in y
0.072 * [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
0.073 * [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
0.073 * [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
0.074 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.074 * [taylor]: Taking taylor expansion of 0.5 in x
0.074 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.074 * [taylor]: Taking taylor expansion of x in x
0.075 * [taylor]: Taking taylor expansion of (- (/ 1 y) 0.5) in y
0.075 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.075 * [taylor]: Taking taylor expansion of y in y
0.075 * [taylor]: Taking taylor expansion of 0.5 in y
0.077 * [taylor]: Taking taylor expansion of 0 in y
0.081 * [taylor]: Taking taylor expansion of 0 in y
0.084 * [taylor]: Taking taylor expansion of 0 in y
0.088 * [taylor]: Taking taylor expansion of 0 in y
0.089 * * * * [progress]: [ 2 / 2 ] generating series at (2)
0.089 * [approximate]: Taking taylor expansion of (+ (* 0.5 x) (+ z (* x y))) in (x y z) around 0
0.089 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (+ z (* x y))) in z
0.089 * [taylor]: Taking taylor expansion of (* 0.5 x) in z
0.089 * [taylor]: Taking taylor expansion of 0.5 in z
0.089 * [taylor]: Taking taylor expansion of x in z
0.089 * [taylor]: Taking taylor expansion of (+ z (* x y)) in z
0.089 * [taylor]: Taking taylor expansion of z in z
0.089 * [taylor]: Taking taylor expansion of (* x y) in z
0.089 * [taylor]: Taking taylor expansion of x in z
0.089 * [taylor]: Taking taylor expansion of y in z
0.089 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (+ z (* x y))) in y
0.089 * [taylor]: Taking taylor expansion of (* 0.5 x) in y
0.089 * [taylor]: Taking taylor expansion of 0.5 in y
0.089 * [taylor]: Taking taylor expansion of x in y
0.089 * [taylor]: Taking taylor expansion of (+ z (* x y)) in y
0.089 * [taylor]: Taking taylor expansion of z in y
0.089 * [taylor]: Taking taylor expansion of (* x y) in y
0.089 * [taylor]: Taking taylor expansion of x in y
0.089 * [taylor]: Taking taylor expansion of y in y
0.089 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (+ z (* x y))) in x
0.089 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.089 * [taylor]: Taking taylor expansion of 0.5 in x
0.089 * [taylor]: Taking taylor expansion of x in x
0.089 * [taylor]: Taking taylor expansion of (+ z (* x y)) in x
0.089 * [taylor]: Taking taylor expansion of z in x
0.089 * [taylor]: Taking taylor expansion of (* x y) in x
0.089 * [taylor]: Taking taylor expansion of x in x
0.089 * [taylor]: Taking taylor expansion of y in x
0.089 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (+ z (* x y))) in x
0.089 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.089 * [taylor]: Taking taylor expansion of 0.5 in x
0.089 * [taylor]: Taking taylor expansion of x in x
0.089 * [taylor]: Taking taylor expansion of (+ z (* x y)) in x
0.089 * [taylor]: Taking taylor expansion of z in x
0.089 * [taylor]: Taking taylor expansion of (* x y) in x
0.089 * [taylor]: Taking taylor expansion of x in x
0.089 * [taylor]: Taking taylor expansion of y in x
0.090 * [taylor]: Taking taylor expansion of z in y
0.090 * [taylor]: Taking taylor expansion of z in z
0.091 * [taylor]: Taking taylor expansion of (+ y 0.5) in y
0.091 * [taylor]: Taking taylor expansion of y in y
0.091 * [taylor]: Taking taylor expansion of 0.5 in y
0.091 * [taylor]: Taking taylor expansion of 0.5 in z
0.091 * [taylor]: Taking taylor expansion of 0 in z
0.093 * [taylor]: Taking taylor expansion of 0 in y
0.093 * [taylor]: Taking taylor expansion of 0 in z
0.093 * [taylor]: Taking taylor expansion of 1 in z
0.094 * [approximate]: Taking taylor expansion of (+ (/ 1 z) (+ (* 0.5 (/ 1 x)) (/ 1 (* x y)))) in (x y z) around 0
0.094 * [taylor]: Taking taylor expansion of (+ (/ 1 z) (+ (* 0.5 (/ 1 x)) (/ 1 (* x y)))) in z
0.094 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.094 * [taylor]: Taking taylor expansion of z in z
0.098 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (/ 1 (* x y))) in z
0.098 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in z
0.098 * [taylor]: Taking taylor expansion of 0.5 in z
0.098 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.098 * [taylor]: Taking taylor expansion of x in z
0.098 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in z
0.098 * [taylor]: Taking taylor expansion of (* x y) in z
0.098 * [taylor]: Taking taylor expansion of x in z
0.098 * [taylor]: Taking taylor expansion of y in z
0.098 * [taylor]: Taking taylor expansion of (+ (/ 1 z) (+ (* 0.5 (/ 1 x)) (/ 1 (* x y)))) in y
0.098 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.098 * [taylor]: Taking taylor expansion of z in y
0.098 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (/ 1 (* x y))) in y
0.098 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
0.098 * [taylor]: Taking taylor expansion of 0.5 in y
0.098 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.098 * [taylor]: Taking taylor expansion of x in y
0.098 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.098 * [taylor]: Taking taylor expansion of (* x y) in y
0.098 * [taylor]: Taking taylor expansion of x in y
0.098 * [taylor]: Taking taylor expansion of y in y
0.099 * [taylor]: Taking taylor expansion of (+ (/ 1 z) (+ (* 0.5 (/ 1 x)) (/ 1 (* x y)))) in x
0.099 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.099 * [taylor]: Taking taylor expansion of z in x
0.099 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (/ 1 (* x y))) in x
0.099 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.099 * [taylor]: Taking taylor expansion of 0.5 in x
0.099 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.099 * [taylor]: Taking taylor expansion of x in x
0.099 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.099 * [taylor]: Taking taylor expansion of (* x y) in x
0.099 * [taylor]: Taking taylor expansion of x in x
0.099 * [taylor]: Taking taylor expansion of y in x
0.100 * [taylor]: Taking taylor expansion of (+ (/ 1 z) (+ (* 0.5 (/ 1 x)) (/ 1 (* x y)))) in x
0.100 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.100 * [taylor]: Taking taylor expansion of z in x
0.100 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (/ 1 (* x y))) in x
0.100 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.100 * [taylor]: Taking taylor expansion of 0.5 in x
0.100 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.100 * [taylor]: Taking taylor expansion of x in x
0.100 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.100 * [taylor]: Taking taylor expansion of (* x y) in x
0.100 * [taylor]: Taking taylor expansion of x in x
0.100 * [taylor]: Taking taylor expansion of y in x
0.101 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 0.5) in y
0.101 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.101 * [taylor]: Taking taylor expansion of y in y
0.101 * [taylor]: Taking taylor expansion of 0.5 in y
0.101 * [taylor]: Taking taylor expansion of 1 in z
0.103 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.103 * [taylor]: Taking taylor expansion of z in y
0.104 * [taylor]: Taking taylor expansion of 0.5 in z
0.106 * [taylor]: Taking taylor expansion of 0 in y
0.106 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.106 * [taylor]: Taking taylor expansion of z in z
0.107 * [taylor]: Taking taylor expansion of 0 in z
0.108 * [approximate]: Taking taylor expansion of (- (/ 1 (* x y)) (+ (/ 1 z) (* 0.5 (/ 1 x)))) in (x y z) around 0
0.108 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (+ (/ 1 z) (* 0.5 (/ 1 x)))) in z
0.108 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in z
0.108 * [taylor]: Taking taylor expansion of (* x y) in z
0.108 * [taylor]: Taking taylor expansion of x in z
0.108 * [taylor]: Taking taylor expansion of y in z
0.108 * [taylor]: Taking taylor expansion of (+ (/ 1 z) (* 0.5 (/ 1 x))) in z
0.108 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.108 * [taylor]: Taking taylor expansion of z in z
0.108 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in z
0.108 * [taylor]: Taking taylor expansion of 0.5 in z
0.108 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.108 * [taylor]: Taking taylor expansion of x in z
0.108 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (+ (/ 1 z) (* 0.5 (/ 1 x)))) in y
0.108 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.108 * [taylor]: Taking taylor expansion of (* x y) in y
0.108 * [taylor]: Taking taylor expansion of x in y
0.108 * [taylor]: Taking taylor expansion of y in y
0.109 * [taylor]: Taking taylor expansion of (+ (/ 1 z) (* 0.5 (/ 1 x))) in y
0.109 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.109 * [taylor]: Taking taylor expansion of z in y
0.109 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
0.109 * [taylor]: Taking taylor expansion of 0.5 in y
0.109 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.109 * [taylor]: Taking taylor expansion of x in y
0.109 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (+ (/ 1 z) (* 0.5 (/ 1 x)))) in x
0.109 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.109 * [taylor]: Taking taylor expansion of (* x y) in x
0.109 * [taylor]: Taking taylor expansion of x in x
0.109 * [taylor]: Taking taylor expansion of y in x
0.109 * [taylor]: Taking taylor expansion of (+ (/ 1 z) (* 0.5 (/ 1 x))) in x
0.109 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.109 * [taylor]: Taking taylor expansion of z in x
0.109 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.109 * [taylor]: Taking taylor expansion of 0.5 in x
0.109 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.109 * [taylor]: Taking taylor expansion of x in x
0.110 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (+ (/ 1 z) (* 0.5 (/ 1 x)))) in x
0.110 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.110 * [taylor]: Taking taylor expansion of (* x y) in x
0.110 * [taylor]: Taking taylor expansion of x in x
0.110 * [taylor]: Taking taylor expansion of y in x
0.110 * [taylor]: Taking taylor expansion of (+ (/ 1 z) (* 0.5 (/ 1 x))) in x
0.110 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.110 * [taylor]: Taking taylor expansion of z in x
0.110 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.110 * [taylor]: Taking taylor expansion of 0.5 in x
0.110 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.110 * [taylor]: Taking taylor expansion of x in x
0.112 * [taylor]: Taking taylor expansion of (- (/ 1 y) 0.5) in y
0.112 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.112 * [taylor]: Taking taylor expansion of y in y
0.112 * [taylor]: Taking taylor expansion of 0.5 in y
0.112 * [taylor]: Taking taylor expansion of 1 in z
0.114 * [taylor]: Taking taylor expansion of (- (/ 1 z)) in y
0.114 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.114 * [taylor]: Taking taylor expansion of z in y
0.115 * [taylor]: Taking taylor expansion of (- 0.5) in z
0.115 * [taylor]: Taking taylor expansion of 0.5 in z
0.117 * [taylor]: Taking taylor expansion of 0 in y
0.117 * [taylor]: Taking taylor expansion of (- (/ 1 z)) in z
0.117 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.117 * [taylor]: Taking taylor expansion of z in z
0.119 * [taylor]: Taking taylor expansion of 0 in z
0.120 * * * [progress]: simplifying candidates
0.121 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (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))
  (* (* (exp (/ x 2.0)) (exp (* y x))) (exp z))
  (* (exp (+ (/ x 2.0) (* y x))) (exp z))
  (log (+ (+ (/ x 2.0) (* y x)) z))
  (exp (+ (+ (/ x 2.0) (* y x)) z))
  (* (cbrt (+ (+ (/ x 2.0) (* y x)) z)) (cbrt (+ (+ (/ x 2.0) (* y x)) z)))
  (cbrt (+ (+ (/ x 2.0) (* y x)) z))
  (* (* (+ (+ (/ x 2.0) (* y x)) z) (+ (+ (/ x 2.0) (* y x)) z)) (+ (+ (/ x 2.0) (* y x)) z))
  (sqrt (+ (+ (/ x 2.0) (* y x)) z))
  (sqrt (+ (+ (/ x 2.0) (* y x)) z))
  (+ (pow (+ (/ x 2.0) (* y x)) 3) (pow z 3))
  (+ (* (+ (/ x 2.0) (* y x)) (+ (/ x 2.0) (* y x))) (- (* z z) (* (+ (/ x 2.0) (* y x)) z)))
  (- (* (+ (/ x 2.0) (* y x)) (+ (/ x 2.0) (* y x))) (* z z))
  (- (+ (/ x 2.0) (* y x)) z)
  (+ (+ (/ x 2.0) (* y x)) z)
  (+ (* y x) z)
  (+ (* 0.5 x) (* x y))
  (+ (* 0.5 x) (* x y))
  (+ (* 0.5 x) (* x y))
  (+ (* 0.5 x) (+ z (* x y)))
  (+ (* 0.5 x) (+ z (* x y)))
  (+ (* 0.5 x) (+ z (* x y)))
0.124 * * [simplify]: iteration  0 :  163  enodes  (cost  180 )
0.127 * * [simplify]: iteration  1 :  542  enodes  (cost  168 )
0.137 * * [simplify]: iteration  2 :  1917  enodes  (cost  162 )
0.170 * * [simplify]: iteration  3 :  5001  enodes  (cost  160 )
0.171 * [simplify]: Simplified to:
   (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 (+ (/ x 2.0) (* y x)) 3)
  (sqrt (+ (/ x 2.0) (* y x)))
  (sqrt (+ (/ x 2.0) (* y x)))
  (+ (pow (/ x 2.0) 3) (pow (* y x) 3))
  (* x (+ (/ (/ x 2.0) 2.0) (* y (- (* y x) (/ x 2.0)))))
  (* x (- (/ (/ x 2.0) 2.0) (* (* y x) y)))
  (- (/ x 2.0) (* y x))
  (exp (+ (+ (/ x 2.0) (* y x)) z))
  (exp (+ (+ (/ x 2.0) (* y x)) z))
  (log (+ (+ (/ x 2.0) (* y x)) z))
  (exp (+ (+ (/ x 2.0) (* y x)) z))
  (* (cbrt (+ (+ (/ x 2.0) (* y x)) z)) (cbrt (+ (+ (/ x 2.0) (* y x)) z)))
  (cbrt (+ (+ (/ x 2.0) (* y x)) z))
  (pow (+ (+ (/ x 2.0) (* y x)) z) 3)
  (sqrt (+ (+ (/ x 2.0) (* y x)) z))
  (sqrt (+ (+ (/ x 2.0) (* y x)) z))
  (+ (pow (+ (/ x 2.0) (* y x)) 3) (pow z 3))
  (+ (* (+ (/ x 2.0) (* y x)) (- (+ (/ x 2.0) (* y x)) z)) (* z z))
  (- (* (+ (/ x 2.0) (* y x)) (+ (/ x 2.0) (* y x))) (* z z))
  (- (+ (/ x 2.0) (* y x)) z)
  (+ (+ (/ x 2.0) (* y x)) z)
  (+ z (* x y))
  (* x (+ y 0.5))
  (* x (+ y 0.5))
  (* x (+ y 0.5))
  (+ (* x (+ y 0.5)) z)
  (+ (* x (+ y 0.5)) z)
  (+ (* x (+ y 0.5)) z)
0.171 * * * [progress]: adding candidates to table
0.227 * * [progress]: iteration 2 / 4
0.228 * * * [progress]: picking best candidate
0.229 * * * * [pick]: Picked  #<alt (λ (x y z) (+ (* x (+ y 0.5)) z))>
0.229 * * * [progress]: localizing error
0.234 * * * [progress]: generating rewritten candidates
0.234 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.241 * * * [progress]: generating series expansions
0.241 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.241 * [approximate]: Taking taylor expansion of (+ (* 0.5 x) (+ z (* x y))) in (x y z) around 0
0.241 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (+ z (* x y))) in z
0.241 * [taylor]: Taking taylor expansion of (* 0.5 x) in z
0.241 * [taylor]: Taking taylor expansion of 0.5 in z
0.241 * [taylor]: Taking taylor expansion of x in z
0.241 * [taylor]: Taking taylor expansion of (+ z (* x y)) in z
0.241 * [taylor]: Taking taylor expansion of z in z
0.241 * [taylor]: Taking taylor expansion of (* x y) in z
0.241 * [taylor]: Taking taylor expansion of x in z
0.241 * [taylor]: Taking taylor expansion of y in z
0.241 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (+ z (* x y))) in y
0.241 * [taylor]: Taking taylor expansion of (* 0.5 x) in y
0.241 * [taylor]: Taking taylor expansion of 0.5 in y
0.241 * [taylor]: Taking taylor expansion of x in y
0.241 * [taylor]: Taking taylor expansion of (+ z (* x y)) in y
0.241 * [taylor]: Taking taylor expansion of z in y
0.241 * [taylor]: Taking taylor expansion of (* x y) in y
0.241 * [taylor]: Taking taylor expansion of x in y
0.241 * [taylor]: Taking taylor expansion of y in y
0.241 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (+ z (* x y))) in x
0.241 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.241 * [taylor]: Taking taylor expansion of 0.5 in x
0.241 * [taylor]: Taking taylor expansion of x in x
0.241 * [taylor]: Taking taylor expansion of (+ z (* x y)) in x
0.241 * [taylor]: Taking taylor expansion of z in x
0.241 * [taylor]: Taking taylor expansion of (* x y) in x
0.241 * [taylor]: Taking taylor expansion of x in x
0.241 * [taylor]: Taking taylor expansion of y in x
0.241 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (+ z (* x y))) in x
0.241 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.241 * [taylor]: Taking taylor expansion of 0.5 in x
0.241 * [taylor]: Taking taylor expansion of x in x
0.241 * [taylor]: Taking taylor expansion of (+ z (* x y)) in x
0.241 * [taylor]: Taking taylor expansion of z in x
0.241 * [taylor]: Taking taylor expansion of (* x y) in x
0.241 * [taylor]: Taking taylor expansion of x in x
0.241 * [taylor]: Taking taylor expansion of y in x
0.242 * [taylor]: Taking taylor expansion of z in y
0.242 * [taylor]: Taking taylor expansion of z in z
0.243 * [taylor]: Taking taylor expansion of (+ y 0.5) in y
0.243 * [taylor]: Taking taylor expansion of y in y
0.243 * [taylor]: Taking taylor expansion of 0.5 in y
0.243 * [taylor]: Taking taylor expansion of 0.5 in z
0.244 * [taylor]: Taking taylor expansion of 0 in z
0.245 * [taylor]: Taking taylor expansion of 0 in y
0.245 * [taylor]: Taking taylor expansion of 0 in z
0.245 * [taylor]: Taking taylor expansion of 1 in z
0.246 * [approximate]: Taking taylor expansion of (+ (/ 1 z) (+ (* 0.5 (/ 1 x)) (/ 1 (* x y)))) in (x y z) around 0
0.246 * [taylor]: Taking taylor expansion of (+ (/ 1 z) (+ (* 0.5 (/ 1 x)) (/ 1 (* x y)))) in z
0.246 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.246 * [taylor]: Taking taylor expansion of z in z
0.246 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (/ 1 (* x y))) in z
0.246 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in z
0.246 * [taylor]: Taking taylor expansion of 0.5 in z
0.246 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.246 * [taylor]: Taking taylor expansion of x in z
0.246 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in z
0.246 * [taylor]: Taking taylor expansion of (* x y) in z
0.246 * [taylor]: Taking taylor expansion of x in z
0.246 * [taylor]: Taking taylor expansion of y in z
0.246 * [taylor]: Taking taylor expansion of (+ (/ 1 z) (+ (* 0.5 (/ 1 x)) (/ 1 (* x y)))) in y
0.246 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.246 * [taylor]: Taking taylor expansion of z in y
0.246 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (/ 1 (* x y))) in y
0.246 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
0.247 * [taylor]: Taking taylor expansion of 0.5 in y
0.247 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.247 * [taylor]: Taking taylor expansion of x in y
0.247 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.247 * [taylor]: Taking taylor expansion of (* x y) in y
0.247 * [taylor]: Taking taylor expansion of x in y
0.247 * [taylor]: Taking taylor expansion of y in y
0.247 * [taylor]: Taking taylor expansion of (+ (/ 1 z) (+ (* 0.5 (/ 1 x)) (/ 1 (* x y)))) in x
0.247 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.247 * [taylor]: Taking taylor expansion of z in x
0.247 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (/ 1 (* x y))) in x
0.247 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.247 * [taylor]: Taking taylor expansion of 0.5 in x
0.247 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.247 * [taylor]: Taking taylor expansion of x in x
0.247 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.247 * [taylor]: Taking taylor expansion of (* x y) in x
0.247 * [taylor]: Taking taylor expansion of x in x
0.247 * [taylor]: Taking taylor expansion of y in x
0.248 * [taylor]: Taking taylor expansion of (+ (/ 1 z) (+ (* 0.5 (/ 1 x)) (/ 1 (* x y)))) in x
0.248 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.248 * [taylor]: Taking taylor expansion of z in x
0.248 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (/ 1 (* x y))) in x
0.248 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.248 * [taylor]: Taking taylor expansion of 0.5 in x
0.248 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.248 * [taylor]: Taking taylor expansion of x in x
0.248 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.248 * [taylor]: Taking taylor expansion of (* x y) in x
0.248 * [taylor]: Taking taylor expansion of x in x
0.248 * [taylor]: Taking taylor expansion of y in x
0.249 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 0.5) in y
0.249 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.249 * [taylor]: Taking taylor expansion of y in y
0.249 * [taylor]: Taking taylor expansion of 0.5 in y
0.249 * [taylor]: Taking taylor expansion of 1 in z
0.251 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.251 * [taylor]: Taking taylor expansion of z in y
0.252 * [taylor]: Taking taylor expansion of 0.5 in z
0.254 * [taylor]: Taking taylor expansion of 0 in y
0.254 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.254 * [taylor]: Taking taylor expansion of z in z
0.255 * [taylor]: Taking taylor expansion of 0 in z
0.256 * [approximate]: Taking taylor expansion of (- (/ 1 (* x y)) (+ (/ 1 z) (* 0.5 (/ 1 x)))) in (x y z) around 0
0.256 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (+ (/ 1 z) (* 0.5 (/ 1 x)))) in z
0.256 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in z
0.256 * [taylor]: Taking taylor expansion of (* x y) in z
0.256 * [taylor]: Taking taylor expansion of x in z
0.256 * [taylor]: Taking taylor expansion of y in z
0.256 * [taylor]: Taking taylor expansion of (+ (/ 1 z) (* 0.5 (/ 1 x))) in z
0.256 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.256 * [taylor]: Taking taylor expansion of z in z
0.256 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in z
0.256 * [taylor]: Taking taylor expansion of 0.5 in z
0.256 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.256 * [taylor]: Taking taylor expansion of x in z
0.256 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (+ (/ 1 z) (* 0.5 (/ 1 x)))) in y
0.257 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.257 * [taylor]: Taking taylor expansion of (* x y) in y
0.257 * [taylor]: Taking taylor expansion of x in y
0.257 * [taylor]: Taking taylor expansion of y in y
0.257 * [taylor]: Taking taylor expansion of (+ (/ 1 z) (* 0.5 (/ 1 x))) in y
0.257 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.257 * [taylor]: Taking taylor expansion of z in y
0.257 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
0.257 * [taylor]: Taking taylor expansion of 0.5 in y
0.257 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.257 * [taylor]: Taking taylor expansion of x in y
0.257 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (+ (/ 1 z) (* 0.5 (/ 1 x)))) in x
0.257 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.257 * [taylor]: Taking taylor expansion of (* x y) in x
0.257 * [taylor]: Taking taylor expansion of x in x
0.257 * [taylor]: Taking taylor expansion of y in x
0.257 * [taylor]: Taking taylor expansion of (+ (/ 1 z) (* 0.5 (/ 1 x))) in x
0.257 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.257 * [taylor]: Taking taylor expansion of z in x
0.257 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.258 * [taylor]: Taking taylor expansion of 0.5 in x
0.258 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.258 * [taylor]: Taking taylor expansion of x in x
0.258 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (+ (/ 1 z) (* 0.5 (/ 1 x)))) in x
0.258 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.258 * [taylor]: Taking taylor expansion of (* x y) in x
0.258 * [taylor]: Taking taylor expansion of x in x
0.258 * [taylor]: Taking taylor expansion of y in x
0.258 * [taylor]: Taking taylor expansion of (+ (/ 1 z) (* 0.5 (/ 1 x))) in x
0.258 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.258 * [taylor]: Taking taylor expansion of z in x
0.258 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.258 * [taylor]: Taking taylor expansion of 0.5 in x
0.258 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.258 * [taylor]: Taking taylor expansion of x in x
0.260 * [taylor]: Taking taylor expansion of (- (/ 1 y) 0.5) in y
0.260 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.260 * [taylor]: Taking taylor expansion of y in y
0.260 * [taylor]: Taking taylor expansion of 0.5 in y
0.260 * [taylor]: Taking taylor expansion of 1 in z
0.262 * [taylor]: Taking taylor expansion of (- (/ 1 z)) in y
0.262 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.262 * [taylor]: Taking taylor expansion of z in y
0.263 * [taylor]: Taking taylor expansion of (- 0.5) in z
0.263 * [taylor]: Taking taylor expansion of 0.5 in z
0.265 * [taylor]: Taking taylor expansion of 0 in y
0.265 * [taylor]: Taking taylor expansion of (- (/ 1 z)) in z
0.265 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.265 * [taylor]: Taking taylor expansion of z in z
0.267 * [taylor]: Taking taylor expansion of 0 in z
0.268 * * * [progress]: simplifying candidates
0.268 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (exp (* x (+ y 0.5))) (exp z))
  (log (+ (* x (+ y 0.5)) z))
  (exp (+ (* x (+ y 0.5)) z))
  (* (cbrt (+ (* x (+ y 0.5)) z)) (cbrt (+ (* x (+ y 0.5)) z)))
  (cbrt (+ (* x (+ y 0.5)) z))
  (* (* (+ (* x (+ y 0.5)) z) (+ (* x (+ y 0.5)) z)) (+ (* x (+ y 0.5)) z))
  (sqrt (+ (* x (+ y 0.5)) z))
  (sqrt (+ (* x (+ y 0.5)) z))
  (+ (pow (* x (+ y 0.5)) 3) (pow z 3))
  (+ (* (* x (+ y 0.5)) (* x (+ y 0.5))) (- (* z z) (* (* x (+ y 0.5)) z)))
  (- (* (* x (+ y 0.5)) (* x (+ y 0.5))) (* z z))
  (- (* x (+ y 0.5)) z)
  (+ (* x 0.5) z)
  (+ (* 0.5 x) z)
  (+ (* 0.5 x) (+ z (* x y)))
  (+ (* 0.5 x) (+ z (* x y)))
  (+ (* 0.5 x) (+ z (* x y)))
0.271 * * [simplify]: iteration  0 :  98  enodes  (cost  85 )
0.273 * * [simplify]: iteration  1 :  310  enodes  (cost  75 )
0.281 * * [simplify]: iteration  2 :  1699  enodes  (cost  73 )
0.311 * * [simplify]: iteration  3 :  5001  enodes  (cost  73 )
0.315 * [simplify]: Simplified to:
   (exp (+ (* x (+ y 0.5)) z))
  (log (+ (* x (+ y 0.5)) z))
  (exp (+ (* x (+ y 0.5)) z))
  (* (cbrt (+ (* x (+ y 0.5)) z)) (cbrt (+ (* x (+ y 0.5)) z)))
  (cbrt (+ (* x (+ y 0.5)) z))
  (pow (+ (* x (+ y 0.5)) z) 3)
  (sqrt (+ (* x (+ y 0.5)) z))
  (sqrt (+ (* x (+ y 0.5)) z))
  (+ (pow (* x (+ y 0.5)) 3) (pow z 3))
  (+ (* (* x (+ y 0.5)) (- (* x (+ y 0.5)) z)) (* z z))
  (- (* (* x (+ y 0.5)) (* x (+ y 0.5))) (* z z))
  (- (* x (+ y 0.5)) z)
  (+ (* 0.5 x) z)
  (+ (* 0.5 x) z)
  (+ (* x (+ y 0.5)) z)
  (+ (* x (+ y 0.5)) z)
  (+ (* x (+ y 0.5)) z)
0.316 * * * [progress]: adding candidates to table
0.343 * [progress]: [Phase 3 of 3] Extracting.
0.343 * * [regime]: Finding splitpoints for: (#<alt (λ (x y z) (+ (+ (/ x 2.0) (* y x)) z))> #<alt (λ (x y z) (+ (* x (+ y 0.5)) z))>)
0.343 * * * [regime-changes]: Trying 5 branch expressions: ((+ (/ x 2.0) (* y x)) (+ (+ (/ x 2.0) (* y x)) z) z y x)
0.343 * * * * [regimes]: Trying to branch on (+ (/ x 2.0) (* y x)) from (#<alt (λ (x y z) (+ (+ (/ x 2.0) (* y x)) z))> #<alt (λ (x y z) (+ (* x (+ y 0.5)) z))>)
0.355 * * * * [regimes]: Trying to branch on (+ (+ (/ x 2.0) (* y x)) z) from (#<alt (λ (x y z) (+ (+ (/ x 2.0) (* y x)) z))> #<alt (λ (x y z) (+ (* x (+ y 0.5)) z))>)
0.370 * * * * [regimes]: Trying to branch on z from (#<alt (λ (x y z) (+ (+ (/ x 2.0) (* y x)) z))> #<alt (λ (x y z) (+ (* x (+ y 0.5)) z))>)
0.382 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y z) (+ (+ (/ x 2.0) (* y x)) z))> #<alt (λ (x y z) (+ (* x (+ y 0.5)) z))>)
0.394 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y z) (+ (+ (/ x 2.0) (* y x)) z))> #<alt (λ (x y z) (+ (* x (+ y 0.5)) z))>)
0.408 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
0.408 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (* x (+ y 0.5)) z)
0.409 * * [simplify]: iteration  0 :  10  enodes  (cost  3 )
0.409 * * [simplify]: iteration  1 :  10  enodes  (cost  3 )
0.409 * [simplify]: Simplified to:
   (+ (* x (+ y 0.5)) z)
0.877 * [regime-testing]: Baseline error score: 0.009193544044394052
0.878 * [regime-testing]: Oracle error score: 0.004869883274207636
0.878 * [regime-testing]: End program error score: 0.009193544044394052