16.870 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.014 * * * [progress]: [2/2] Setting up program.
0.016 * [progress]: [Phase 2 of 3] Improving.
0.016 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (+ (/ x 2.0) (* y x)) z)
0.019 * * [simplify]: iteration  0 :  13  enodes  (cost  4 )
0.020 * * [simplify]: iteration  1 :  24  enodes  (cost  3 )
0.021 * * [simplify]: iteration  2 :  28  enodes  (cost  3 )
0.023 * * [simplify]: iteration  3 :  30  enodes  (cost  3 )
0.024 * * [simplify]: iteration  4 :  30  enodes  (cost  3 )
0.024 * [simplify]: Simplified to:
   (+ (fma x y z) (/ x 2.0))
0.027 * * [progress]: iteration 1 / 4
0.027 * * * [progress]: picking best candidate
0.029 * * * * [pick]: Picked  #<alt (λ (x y z) (+ (fma x y z) (/ x 2.0)))>
0.029 * * * [progress]: localizing error
0.034 * * * [progress]: generating rewritten candidates
0.034 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.040 * * * [progress]: generating series expansions
0.040 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.041 * [approximate]: Taking taylor expansion of (+ (fma x y z) (* 0.5 x)) in (x y z) around 0
0.041 * [taylor]: Taking taylor expansion of (+ (fma x y z) (* 0.5 x)) in z
0.041 * [taylor]: Taking taylor expansion of (fma x y z) in z
0.041 * [taylor]: Rewrote expression to (+ (* x y) z)
0.041 * [taylor]: Taking taylor expansion of (* x y) in z
0.041 * [taylor]: Taking taylor expansion of x in z
0.041 * [taylor]: Taking taylor expansion of y in z
0.041 * [taylor]: Taking taylor expansion of z in z
0.041 * [taylor]: Taking taylor expansion of (* 0.5 x) in z
0.041 * [taylor]: Taking taylor expansion of 0.5 in z
0.041 * [taylor]: Taking taylor expansion of x in z
0.041 * [taylor]: Taking taylor expansion of (+ (fma x y z) (* 0.5 x)) in y
0.041 * [taylor]: Taking taylor expansion of (fma x y z) in y
0.041 * [taylor]: Rewrote expression to (+ (* x y) z)
0.041 * [taylor]: Taking taylor expansion of (* x y) in y
0.041 * [taylor]: Taking taylor expansion of x in y
0.041 * [taylor]: Taking taylor expansion of y in y
0.041 * [taylor]: Taking taylor expansion of z in y
0.041 * [taylor]: Taking taylor expansion of (* 0.5 x) in y
0.041 * [taylor]: Taking taylor expansion of 0.5 in y
0.041 * [taylor]: Taking taylor expansion of x in y
0.041 * [taylor]: Taking taylor expansion of (+ (fma x y z) (* 0.5 x)) in x
0.041 * [taylor]: Taking taylor expansion of (fma x y z) in x
0.041 * [taylor]: Rewrote expression to (+ (* x y) z)
0.041 * [taylor]: Taking taylor expansion of (* x y) in x
0.041 * [taylor]: Taking taylor expansion of x in x
0.041 * [taylor]: Taking taylor expansion of y in x
0.041 * [taylor]: Taking taylor expansion of z in x
0.041 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.041 * [taylor]: Taking taylor expansion of 0.5 in x
0.041 * [taylor]: Taking taylor expansion of x in x
0.041 * [taylor]: Taking taylor expansion of (+ (fma x y z) (* 0.5 x)) in x
0.041 * [taylor]: Taking taylor expansion of (fma x y z) in x
0.041 * [taylor]: Rewrote expression to (+ (* x y) z)
0.041 * [taylor]: Taking taylor expansion of (* x y) in x
0.041 * [taylor]: Taking taylor expansion of x in x
0.041 * [taylor]: Taking taylor expansion of y in x
0.041 * [taylor]: Taking taylor expansion of z in x
0.041 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.041 * [taylor]: Taking taylor expansion of 0.5 in x
0.041 * [taylor]: Taking taylor expansion of x in x
0.042 * [taylor]: Taking taylor expansion of z in y
0.042 * [taylor]: Taking taylor expansion of z in z
0.043 * [taylor]: Taking taylor expansion of (+ y 0.5) in y
0.043 * [taylor]: Taking taylor expansion of y in y
0.043 * [taylor]: Taking taylor expansion of 0.5 in y
0.044 * [taylor]: Taking taylor expansion of 0.5 in z
0.044 * [taylor]: Taking taylor expansion of 0 in z
0.045 * [taylor]: Taking taylor expansion of 0 in y
0.045 * [taylor]: Taking taylor expansion of 0 in z
0.045 * [taylor]: Taking taylor expansion of 1 in z
0.046 * [approximate]: Taking taylor expansion of (+ (fma (/ 1 x) (/ 1 y) (/ 1 z)) (* 0.5 (/ 1 x))) in (x y z) around 0
0.046 * [taylor]: Taking taylor expansion of (+ (fma (/ 1 x) (/ 1 y) (/ 1 z)) (* 0.5 (/ 1 x))) in z
0.046 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (/ 1 y) (/ 1 z)) in z
0.046 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (/ 1 y)) (/ 1 z))
0.046 * [taylor]: Taking taylor expansion of (* (/ 1 x) (/ 1 y)) in z
0.046 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.046 * [taylor]: Taking taylor expansion of x in z
0.046 * [taylor]: Taking taylor expansion of (/ 1 y) in z
0.046 * [taylor]: Taking taylor expansion of y in z
0.046 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.046 * [taylor]: Taking taylor expansion of z in z
0.046 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in z
0.046 * [taylor]: Taking taylor expansion of 0.5 in z
0.046 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.046 * [taylor]: Taking taylor expansion of x in z
0.047 * [taylor]: Taking taylor expansion of (+ (fma (/ 1 x) (/ 1 y) (/ 1 z)) (* 0.5 (/ 1 x))) in y
0.047 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (/ 1 y) (/ 1 z)) in y
0.047 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (/ 1 y)) (/ 1 z))
0.047 * [taylor]: Taking taylor expansion of (* (/ 1 x) (/ 1 y)) in y
0.047 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.047 * [taylor]: Taking taylor expansion of x in y
0.047 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.047 * [taylor]: Taking taylor expansion of y in y
0.047 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.047 * [taylor]: Taking taylor expansion of z in y
0.047 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
0.047 * [taylor]: Taking taylor expansion of 0.5 in y
0.047 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.047 * [taylor]: Taking taylor expansion of x in y
0.047 * [taylor]: Taking taylor expansion of (+ (fma (/ 1 x) (/ 1 y) (/ 1 z)) (* 0.5 (/ 1 x))) in x
0.047 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (/ 1 y) (/ 1 z)) in x
0.047 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (/ 1 y)) (/ 1 z))
0.047 * [taylor]: Taking taylor expansion of (* (/ 1 x) (/ 1 y)) in x
0.047 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.047 * [taylor]: Taking taylor expansion of x in x
0.048 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.048 * [taylor]: Taking taylor expansion of y in x
0.048 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.048 * [taylor]: Taking taylor expansion of z in x
0.048 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.048 * [taylor]: Taking taylor expansion of 0.5 in x
0.048 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.048 * [taylor]: Taking taylor expansion of x in x
0.048 * [taylor]: Taking taylor expansion of (+ (fma (/ 1 x) (/ 1 y) (/ 1 z)) (* 0.5 (/ 1 x))) in x
0.048 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (/ 1 y) (/ 1 z)) in x
0.048 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (/ 1 y)) (/ 1 z))
0.048 * [taylor]: Taking taylor expansion of (* (/ 1 x) (/ 1 y)) in x
0.048 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.048 * [taylor]: Taking taylor expansion of x in x
0.048 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.048 * [taylor]: Taking taylor expansion of y in x
0.048 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.048 * [taylor]: Taking taylor expansion of z in x
0.049 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.049 * [taylor]: Taking taylor expansion of 0.5 in x
0.049 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.049 * [taylor]: Taking taylor expansion of x in x
0.049 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 0.5) in y
0.049 * [taylor]: Taking taylor expansion of (/ 1 y) 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 1 in z
0.051 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.051 * [taylor]: Taking taylor expansion of z in y
0.052 * [taylor]: Taking taylor expansion of 0.5 in z
0.054 * [taylor]: Taking taylor expansion of 0 in y
0.054 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.054 * [taylor]: Taking taylor expansion of z in z
0.055 * [taylor]: Taking taylor expansion of 0 in z
0.056 * [approximate]: Taking taylor expansion of (- (fma (/ -1 x) (/ -1 y) (/ -1 z)) (* 0.5 (/ 1 x))) in (x y z) around 0
0.056 * [taylor]: Taking taylor expansion of (- (fma (/ -1 x) (/ -1 y) (/ -1 z)) (* 0.5 (/ 1 x))) in z
0.056 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (/ -1 y) (/ -1 z)) in z
0.056 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (/ -1 y)) (/ -1 z))
0.056 * [taylor]: Taking taylor expansion of (* (/ -1 x) (/ -1 y)) in z
0.056 * [taylor]: Taking taylor expansion of (/ -1 x) in z
0.056 * [taylor]: Taking taylor expansion of -1 in z
0.056 * [taylor]: Taking taylor expansion of x in z
0.056 * [taylor]: Taking taylor expansion of (/ -1 y) in z
0.056 * [taylor]: Taking taylor expansion of -1 in z
0.056 * [taylor]: Taking taylor expansion of y in z
0.056 * [taylor]: Taking taylor expansion of (/ -1 z) in z
0.056 * [taylor]: Taking taylor expansion of -1 in z
0.056 * [taylor]: Taking taylor expansion of z in z
0.059 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in z
0.059 * [taylor]: Taking taylor expansion of 0.5 in z
0.060 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.060 * [taylor]: Taking taylor expansion of x in z
0.060 * [taylor]: Taking taylor expansion of (- (fma (/ -1 x) (/ -1 y) (/ -1 z)) (* 0.5 (/ 1 x))) in y
0.060 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (/ -1 y) (/ -1 z)) in y
0.060 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (/ -1 y)) (/ -1 z))
0.060 * [taylor]: Taking taylor expansion of (* (/ -1 x) (/ -1 y)) in y
0.060 * [taylor]: Taking taylor expansion of (/ -1 x) in y
0.060 * [taylor]: Taking taylor expansion of -1 in y
0.060 * [taylor]: Taking taylor expansion of x in y
0.060 * [taylor]: Taking taylor expansion of (/ -1 y) in y
0.060 * [taylor]: Taking taylor expansion of -1 in y
0.060 * [taylor]: Taking taylor expansion of y in y
0.060 * [taylor]: Taking taylor expansion of (/ -1 z) in y
0.060 * [taylor]: Taking taylor expansion of -1 in y
0.060 * [taylor]: Taking taylor expansion of z in y
0.060 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
0.060 * [taylor]: Taking taylor expansion of 0.5 in y
0.060 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.060 * [taylor]: Taking taylor expansion of x in y
0.060 * [taylor]: Taking taylor expansion of (- (fma (/ -1 x) (/ -1 y) (/ -1 z)) (* 0.5 (/ 1 x))) in x
0.060 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (/ -1 y) (/ -1 z)) in x
0.061 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (/ -1 y)) (/ -1 z))
0.061 * [taylor]: Taking taylor expansion of (* (/ -1 x) (/ -1 y)) in x
0.061 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.061 * [taylor]: Taking taylor expansion of -1 in x
0.061 * [taylor]: Taking taylor expansion of x in x
0.061 * [taylor]: Taking taylor expansion of (/ -1 y) in x
0.061 * [taylor]: Taking taylor expansion of -1 in x
0.061 * [taylor]: Taking taylor expansion of y in x
0.061 * [taylor]: Taking taylor expansion of (/ -1 z) in x
0.061 * [taylor]: Taking taylor expansion of -1 in x
0.061 * [taylor]: Taking taylor expansion of z in x
0.061 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.061 * [taylor]: Taking taylor expansion of 0.5 in x
0.061 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.061 * [taylor]: Taking taylor expansion of x in x
0.061 * [taylor]: Taking taylor expansion of (- (fma (/ -1 x) (/ -1 y) (/ -1 z)) (* 0.5 (/ 1 x))) in x
0.061 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (/ -1 y) (/ -1 z)) in x
0.061 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (/ -1 y)) (/ -1 z))
0.061 * [taylor]: Taking taylor expansion of (* (/ -1 x) (/ -1 y)) in x
0.061 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.061 * [taylor]: Taking taylor expansion of -1 in x
0.061 * [taylor]: Taking taylor expansion of x in x
0.062 * [taylor]: Taking taylor expansion of (/ -1 y) in x
0.062 * [taylor]: Taking taylor expansion of -1 in x
0.062 * [taylor]: Taking taylor expansion of y in x
0.062 * [taylor]: Taking taylor expansion of (/ -1 z) in x
0.062 * [taylor]: Taking taylor expansion of -1 in x
0.062 * [taylor]: Taking taylor expansion of z in x
0.062 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.062 * [taylor]: Taking taylor expansion of 0.5 in x
0.062 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.062 * [taylor]: Taking taylor expansion of x in x
0.063 * [taylor]: Taking taylor expansion of (- (/ 1 y) 0.5) in y
0.063 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.063 * [taylor]: Taking taylor expansion of y in y
0.063 * [taylor]: Taking taylor expansion of 0.5 in y
0.064 * [taylor]: Taking taylor expansion of 1 in z
0.065 * [taylor]: Taking taylor expansion of (- (/ 1 z)) in y
0.065 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.065 * [taylor]: Taking taylor expansion of z in y
0.067 * [taylor]: Taking taylor expansion of (- 0.5) in z
0.067 * [taylor]: Taking taylor expansion of 0.5 in z
0.069 * [taylor]: Taking taylor expansion of 0 in y
0.069 * [taylor]: Taking taylor expansion of (- (/ 1 z)) in z
0.069 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.069 * [taylor]: Taking taylor expansion of z in z
0.071 * [taylor]: Taking taylor expansion of 0 in z
0.072 * * * [progress]: simplifying candidates
0.072 * [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)))
0.076 * * [simplify]: iteration  0 :  95  enodes  (cost  90 )
0.078 * * [simplify]: iteration  1 :  307  enodes  (cost  79 )
0.084 * * [simplify]: iteration  2 :  1287  enodes  (cost  79 )
0.105 * * [simplify]: iteration  3 :  5001  enodes  (cost  79 )
0.106 * [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))
0.106 * * * [progress]: adding candidates to table
0.141 * [progress]: [Phase 3 of 3] Extracting.
0.143 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (fma x y z) (/ x 2.0))
0.143 * * [simplify]: iteration  0 :  8  enodes  (cost  3 )
0.143 * * [simplify]: iteration  1 :  8  enodes  (cost  3 )
0.144 * [simplify]: Simplified to:
   (+ (fma x y z) (/ x 2.0))
0.619 * [regime-testing]: End program error score: 0.006397040255212191