4.336 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.025 * * * [progress]: [2/2] Setting up program.
0.027 * [progress]: [Phase 2 of 3] Improving.
0.027 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (+ (/ x 2.0) (* y x)) z)
0.031 * * [simplify]: iteration  0 :  13  enodes  (cost  4 )
0.032 * * [simplify]: iteration  1 :  24  enodes  (cost  3 )
0.034 * * [simplify]: iteration  2 :  28  enodes  (cost  3 )
0.036 * * [simplify]: iteration  3 :  30  enodes  (cost  3 )
0.038 * * [simplify]: iteration  4 :  30  enodes  (cost  3 )
0.038 * [simplify]: Simplified to:
   (+ (fma x y z) (/ x 2.0))
0.042 * * [progress]: iteration 1 / 4
0.042 * * * [progress]: picking best candidate
0.045 * * * * [pick]: Picked  #<alt (λ (x y z) (+ (fma x y z) (/ x 2.0)))>
0.045 * * * [progress]: localizing error
0.054 * * * [progress]: generating rewritten candidates
0.054 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.066 * * * [progress]: generating series expansions
0.066 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.066 * [approximate]: Taking taylor expansion of (+ (fma x y z) (* 0.5 x)) in (x y z) around 0
0.066 * [taylor]: Taking taylor expansion of (+ (fma x y z) (* 0.5 x)) in z
0.066 * [taylor]: Taking taylor expansion of (fma x y z) in z
0.066 * [taylor]: Rewrote expression to (+ (* x y) z)
0.066 * [taylor]: Taking taylor expansion of (* x y) in z
0.066 * [taylor]: Taking taylor expansion of x in z
0.066 * [taylor]: Taking taylor expansion of y in z
0.067 * [taylor]: Taking taylor expansion of z in z
0.067 * [taylor]: Taking taylor expansion of (* 0.5 x) in z
0.067 * [taylor]: Taking taylor expansion of 0.5 in z
0.067 * [taylor]: Taking taylor expansion of x in z
0.067 * [taylor]: Taking taylor expansion of (+ (fma x y z) (* 0.5 x)) in y
0.067 * [taylor]: Taking taylor expansion of (fma x y z) in y
0.067 * [taylor]: Rewrote expression to (+ (* x y) z)
0.067 * [taylor]: Taking taylor expansion of (* x y) in y
0.067 * [taylor]: Taking taylor expansion of x in y
0.067 * [taylor]: Taking taylor expansion of y in y
0.067 * [taylor]: Taking taylor expansion of z in y
0.067 * [taylor]: Taking taylor expansion of (* 0.5 x) in y
0.067 * [taylor]: Taking taylor expansion of 0.5 in y
0.067 * [taylor]: Taking taylor expansion of x in y
0.067 * [taylor]: Taking taylor expansion of (+ (fma x y z) (* 0.5 x)) in x
0.067 * [taylor]: Taking taylor expansion of (fma x y z) in x
0.067 * [taylor]: Rewrote expression to (+ (* x y) z)
0.067 * [taylor]: Taking taylor expansion of (* x y) in x
0.067 * [taylor]: Taking taylor expansion of x in x
0.067 * [taylor]: Taking taylor expansion of y in x
0.067 * [taylor]: Taking taylor expansion of z in x
0.067 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.067 * [taylor]: Taking taylor expansion of 0.5 in x
0.067 * [taylor]: Taking taylor expansion of x in x
0.067 * [taylor]: Taking taylor expansion of (+ (fma x y z) (* 0.5 x)) in x
0.067 * [taylor]: Taking taylor expansion of (fma x y z) in x
0.068 * [taylor]: Rewrote expression to (+ (* x y) z)
0.068 * [taylor]: Taking taylor expansion of (* x y) in x
0.068 * [taylor]: Taking taylor expansion of x in x
0.068 * [taylor]: Taking taylor expansion of y in x
0.068 * [taylor]: Taking taylor expansion of z in x
0.068 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.068 * [taylor]: Taking taylor expansion of 0.5 in x
0.068 * [taylor]: Taking taylor expansion of x in x
0.068 * [taylor]: Taking taylor expansion of z in y
0.068 * [taylor]: Taking taylor expansion of z in z
0.070 * [taylor]: Taking taylor expansion of (+ y 0.5) in y
0.070 * [taylor]: Taking taylor expansion of y in y
0.070 * [taylor]: Taking taylor expansion of 0.5 in y
0.071 * [taylor]: Taking taylor expansion of 0.5 in z
0.071 * [taylor]: Taking taylor expansion of 0 in z
0.075 * [taylor]: Taking taylor expansion of 0 in y
0.075 * [taylor]: Taking taylor expansion of 0 in z
0.076 * [taylor]: Taking taylor expansion of 1 in z
0.076 * [approximate]: Taking taylor expansion of (+ (fma (/ 1 x) (/ 1 y) (/ 1 z)) (* 0.5 (/ 1 x))) in (x y z) around 0
0.076 * [taylor]: Taking taylor expansion of (+ (fma (/ 1 x) (/ 1 y) (/ 1 z)) (* 0.5 (/ 1 x))) in z
0.076 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (/ 1 y) (/ 1 z)) in z
0.076 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (/ 1 y)) (/ 1 z))
0.076 * [taylor]: Taking taylor expansion of (* (/ 1 x) (/ 1 y)) in z
0.076 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.076 * [taylor]: Taking taylor expansion of x in z
0.076 * [taylor]: Taking taylor expansion of (/ 1 y) in z
0.076 * [taylor]: Taking taylor expansion of y in z
0.077 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.077 * [taylor]: Taking taylor expansion of z in z
0.077 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in z
0.077 * [taylor]: Taking taylor expansion of 0.5 in z
0.077 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.077 * [taylor]: Taking taylor expansion of x in z
0.077 * [taylor]: Taking taylor expansion of (+ (fma (/ 1 x) (/ 1 y) (/ 1 z)) (* 0.5 (/ 1 x))) in y
0.077 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (/ 1 y) (/ 1 z)) in y
0.077 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (/ 1 y)) (/ 1 z))
0.077 * [taylor]: Taking taylor expansion of (* (/ 1 x) (/ 1 y)) in y
0.077 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.077 * [taylor]: Taking taylor expansion of x in y
0.077 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.077 * [taylor]: Taking taylor expansion of y in y
0.077 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.077 * [taylor]: Taking taylor expansion of z in y
0.077 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
0.077 * [taylor]: Taking taylor expansion of 0.5 in y
0.078 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.078 * [taylor]: Taking taylor expansion of x in y
0.078 * [taylor]: Taking taylor expansion of (+ (fma (/ 1 x) (/ 1 y) (/ 1 z)) (* 0.5 (/ 1 x))) in x
0.078 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (/ 1 y) (/ 1 z)) in x
0.078 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (/ 1 y)) (/ 1 z))
0.078 * [taylor]: Taking taylor expansion of (* (/ 1 x) (/ 1 y)) in x
0.078 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.078 * [taylor]: Taking taylor expansion of x in x
0.078 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.078 * [taylor]: Taking taylor expansion of y in x
0.078 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.078 * [taylor]: Taking taylor expansion of z in x
0.078 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.078 * [taylor]: Taking taylor expansion of 0.5 in x
0.078 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.078 * [taylor]: Taking taylor expansion of x in x
0.078 * [taylor]: Taking taylor expansion of (+ (fma (/ 1 x) (/ 1 y) (/ 1 z)) (* 0.5 (/ 1 x))) in x
0.078 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (/ 1 y) (/ 1 z)) in x
0.079 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (/ 1 y)) (/ 1 z))
0.079 * [taylor]: Taking taylor expansion of (* (/ 1 x) (/ 1 y)) in x
0.079 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.079 * [taylor]: Taking taylor expansion of x in x
0.079 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.079 * [taylor]: Taking taylor expansion of y in x
0.079 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.079 * [taylor]: Taking taylor expansion of z in x
0.079 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.079 * [taylor]: Taking taylor expansion of 0.5 in x
0.079 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.079 * [taylor]: Taking taylor expansion of x in x
0.080 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 0.5) in y
0.080 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.080 * [taylor]: Taking taylor expansion of y in y
0.080 * [taylor]: Taking taylor expansion of 0.5 in y
0.080 * [taylor]: Taking taylor expansion of 1 in z
0.082 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.082 * [taylor]: Taking taylor expansion of z in y
0.083 * [taylor]: Taking taylor expansion of 0.5 in z
0.085 * [taylor]: Taking taylor expansion of 0 in y
0.085 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.085 * [taylor]: Taking taylor expansion of z in z
0.086 * [taylor]: Taking taylor expansion of 0 in z
0.087 * [approximate]: Taking taylor expansion of (- (fma (/ -1 x) (/ -1 y) (/ -1 z)) (* 0.5 (/ 1 x))) in (x y z) around 0
0.087 * [taylor]: Taking taylor expansion of (- (fma (/ -1 x) (/ -1 y) (/ -1 z)) (* 0.5 (/ 1 x))) in z
0.087 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (/ -1 y) (/ -1 z)) in z
0.087 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (/ -1 y)) (/ -1 z))
0.087 * [taylor]: Taking taylor expansion of (* (/ -1 x) (/ -1 y)) in z
0.087 * [taylor]: Taking taylor expansion of (/ -1 x) in z
0.087 * [taylor]: Taking taylor expansion of -1 in z
0.087 * [taylor]: Taking taylor expansion of x in z
0.087 * [taylor]: Taking taylor expansion of (/ -1 y) in z
0.087 * [taylor]: Taking taylor expansion of -1 in z
0.087 * [taylor]: Taking taylor expansion of y in z
0.087 * [taylor]: Taking taylor expansion of (/ -1 z) in z
0.087 * [taylor]: Taking taylor expansion of -1 in z
0.088 * [taylor]: Taking taylor expansion of z in z
0.088 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in z
0.088 * [taylor]: Taking taylor expansion of 0.5 in z
0.088 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.088 * [taylor]: Taking taylor expansion of x in z
0.088 * [taylor]: Taking taylor expansion of (- (fma (/ -1 x) (/ -1 y) (/ -1 z)) (* 0.5 (/ 1 x))) in y
0.088 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (/ -1 y) (/ -1 z)) in y
0.088 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (/ -1 y)) (/ -1 z))
0.088 * [taylor]: Taking taylor expansion of (* (/ -1 x) (/ -1 y)) in y
0.088 * [taylor]: Taking taylor expansion of (/ -1 x) in y
0.088 * [taylor]: Taking taylor expansion of -1 in y
0.088 * [taylor]: Taking taylor expansion of x in y
0.088 * [taylor]: Taking taylor expansion of (/ -1 y) in y
0.088 * [taylor]: Taking taylor expansion of -1 in y
0.088 * [taylor]: Taking taylor expansion of y in y
0.088 * [taylor]: Taking taylor expansion of (/ -1 z) in y
0.088 * [taylor]: Taking taylor expansion of -1 in y
0.089 * [taylor]: Taking taylor expansion of z in y
0.089 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
0.089 * [taylor]: Taking taylor expansion of 0.5 in y
0.089 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.089 * [taylor]: Taking taylor expansion of x in y
0.089 * [taylor]: Taking taylor expansion of (- (fma (/ -1 x) (/ -1 y) (/ -1 z)) (* 0.5 (/ 1 x))) in x
0.089 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (/ -1 y) (/ -1 z)) in x
0.089 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (/ -1 y)) (/ -1 z))
0.089 * [taylor]: Taking taylor expansion of (* (/ -1 x) (/ -1 y)) in x
0.089 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.089 * [taylor]: Taking taylor expansion of -1 in x
0.089 * [taylor]: Taking taylor expansion of x in x
0.089 * [taylor]: Taking taylor expansion of (/ -1 y) in x
0.089 * [taylor]: Taking taylor expansion of -1 in x
0.089 * [taylor]: Taking taylor expansion of y in x
0.089 * [taylor]: Taking taylor expansion of (/ -1 z) in x
0.089 * [taylor]: Taking taylor expansion of -1 in x
0.089 * [taylor]: Taking taylor expansion of z in x
0.089 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.089 * [taylor]: Taking taylor expansion of 0.5 in x
0.089 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.089 * [taylor]: Taking taylor expansion of x in x
0.090 * [taylor]: Taking taylor expansion of (- (fma (/ -1 x) (/ -1 y) (/ -1 z)) (* 0.5 (/ 1 x))) in x
0.090 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (/ -1 y) (/ -1 z)) in x
0.090 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (/ -1 y)) (/ -1 z))
0.090 * [taylor]: Taking taylor expansion of (* (/ -1 x) (/ -1 y)) in x
0.090 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.090 * [taylor]: Taking taylor expansion of -1 in x
0.090 * [taylor]: Taking taylor expansion of x in x
0.090 * [taylor]: Taking taylor expansion of (/ -1 y) in x
0.090 * [taylor]: Taking taylor expansion of -1 in x
0.090 * [taylor]: Taking taylor expansion of y in x
0.090 * [taylor]: Taking taylor expansion of (/ -1 z) in x
0.090 * [taylor]: Taking taylor expansion of -1 in x
0.090 * [taylor]: Taking taylor expansion of z in x
0.090 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.090 * [taylor]: Taking taylor expansion of 0.5 in x
0.090 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.090 * [taylor]: Taking taylor expansion of x in x
0.091 * [taylor]: Taking taylor expansion of (- (/ 1 y) 0.5) in y
0.091 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.091 * [taylor]: Taking taylor expansion of y in y
0.092 * [taylor]: Taking taylor expansion of 0.5 in y
0.092 * [taylor]: Taking taylor expansion of 1 in z
0.094 * [taylor]: Taking taylor expansion of (- (/ 1 z)) in y
0.094 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.094 * [taylor]: Taking taylor expansion of z in y
0.095 * [taylor]: Taking taylor expansion of (- 0.5) in z
0.095 * [taylor]: Taking taylor expansion of 0.5 in z
0.098 * [taylor]: Taking taylor expansion of 0 in y
0.098 * [taylor]: Taking taylor expansion of (- (/ 1 z)) in z
0.098 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.098 * [taylor]: Taking taylor expansion of z in z
0.100 * [taylor]: Taking taylor expansion of 0 in z
0.101 * * * [progress]: simplifying candidates
0.101 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (expm1 (+ (fma x y z) (/ x 2.0)))
  (log1p (+ (fma x y z) (/ x 2.0)))
  (* (exp (fma x y z)) (exp (/ x 2.0)))
  (log (+ (fma x y z) (/ x 2.0)))
  (exp (+ (fma x y z) (/ x 2.0)))
  (* (cbrt (+ (fma x y z) (/ x 2.0))) (cbrt (+ (fma x y z) (/ x 2.0))))
  (cbrt (+ (fma x y z) (/ x 2.0)))
  (* (* (+ (fma x y z) (/ x 2.0)) (+ (fma x y z) (/ x 2.0))) (+ (fma x y z) (/ x 2.0)))
  (sqrt (+ (fma x y z) (/ x 2.0)))
  (sqrt (+ (fma x y z) (/ x 2.0)))
  (+ (pow (fma x y z) 3) (pow (/ x 2.0) 3))
  (+ (* (fma x y z) (fma x y z)) (- (* (/ x 2.0) (/ x 2.0)) (* (fma x y z) (/ x 2.0))))
  (- (* (fma x y z) (fma x y z)) (* (/ x 2.0) (/ x 2.0)))
  (- (fma x y z) (/ x 2.0))
  (+ (fma x y z) (/ x 2.0))
  (+ z (/ x 2.0))
  (+ (* 0.5 x) (+ z (* x y)))
  (+ (* 0.5 x) (+ z (* x y)))
  (+ (* 0.5 x) (+ z (* x y)))
0.104 * * [simplify]: iteration  0 :  95  enodes  (cost  90 )
0.107 * * [simplify]: iteration  1 :  307  enodes  (cost  79 )
0.112 * * [simplify]: iteration  2 :  1287  enodes  (cost  79 )
0.135 * * [simplify]: iteration  3 :  5001  enodes  (cost  79 )
0.136 * [simplify]: Simplified to:
   (expm1 (+ (fma x y z) (/ x 2.0)))
  (log1p (+ (fma x y z) (/ x 2.0)))
  (exp (+ (fma x y z) (/ x 2.0)))
  (log (+ (fma x y z) (/ x 2.0)))
  (exp (+ (fma x y z) (/ x 2.0)))
  (* (cbrt (+ (fma x y z) (/ x 2.0))) (cbrt (+ (fma x y z) (/ x 2.0))))
  (cbrt (+ (fma x y z) (/ x 2.0)))
  (pow (+ (fma x y z) (/ x 2.0)) 3)
  (sqrt (+ (fma x y z) (/ x 2.0)))
  (sqrt (+ (fma x y z) (/ x 2.0)))
  (+ (pow (fma x y z) 3) (pow (/ x 2.0) 3))
  (fma (/ x 2.0) (- (/ x 2.0) (fma x y z)) (* (fma x y z) (fma x y z)))
  (- (* (fma x y z) (fma x y z)) (* (/ x 2.0) (/ x 2.0)))
  (- (fma x y z) (/ x 2.0))
  (+ (fma x y z) (/ x 2.0))
  (+ z (/ x 2.0))
  (fma x 0.5 (fma x y z))
  (fma x 0.5 (fma x y z))
  (fma x 0.5 (fma x y z))
0.136 * * * [progress]: adding candidates to table
0.181 * [progress]: [Phase 3 of 3] Extracting.
0.183 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (fma x y z) (/ x 2.0))
0.184 * * [simplify]: iteration  0 :  8  enodes  (cost  3 )
0.184 * * [simplify]: iteration  1 :  8  enodes  (cost  3 )
0.184 * [simplify]: Simplified to:
   (+ (fma x y z) (/ x 2.0))
0.665 * [regime-testing]: End program error score: 0.004750593824228029