5.376 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.019 * * * [progress]: [2/2] Setting up program.
0.021 * [progress]: [Phase 2 of 3] Improving.
0.022 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (+ (+ (/ x 2.0) (* y x)) z)
0.022 * * [simplify]: iteration  0 :  8  enodes  (cost  9 )
0.024 * * [simplify]: iteration  1 :  13  enodes  (cost  9 )
0.025 * * [simplify]: iteration  2 :  23  enodes  (cost  8 )
0.028 * * [simplify]: iteration  3 :  25  enodes  (cost  8 )
0.031 * * [simplify]: iteration  done :  25  enodes  (cost  8 )
0.031 * [simplify]: Simplified to:
   (+ (fma x y (/ x 2.0)) z)
0.034 * * [progress]: iteration 1 / 4
0.034 * * * [progress]: picking best candidate
0.036 * * * * [pick]: Picked  #<alt (λ (x y z) (+ (fma x y (/ x 2.0)) z))>
0.036 * * * [progress]: localizing error
0.042 * * * [progress]: generating rewritten candidates
0.042 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.045 * * * [progress]: generating series expansions
0.045 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.045 * [approximate]: Taking taylor expansion of (+ (fma x y (* 0.5 x)) z) in (x y z) around 0
0.045 * [taylor]: Taking taylor expansion of (+ (fma x y (* 0.5 x)) z) in z
0.045 * [taylor]: Taking taylor expansion of (fma x y (* 0.5 x)) in z
0.045 * [taylor]: Rewrote expression to (+ (* x y) (* 0.5 x))
0.045 * [taylor]: Taking taylor expansion of (* x y) in z
0.045 * [taylor]: Taking taylor expansion of x in z
0.045 * [taylor]: Taking taylor expansion of y in z
0.045 * [taylor]: Taking taylor expansion of (* 0.5 x) in z
0.045 * [taylor]: Taking taylor expansion of 0.5 in z
0.045 * [taylor]: Taking taylor expansion of x in z
0.046 * [taylor]: Taking taylor expansion of z in z
0.046 * [taylor]: Taking taylor expansion of (+ (fma x y (* 0.5 x)) z) in y
0.046 * [taylor]: Taking taylor expansion of (fma x y (* 0.5 x)) in y
0.046 * [taylor]: Rewrote expression to (+ (* x y) (* 0.5 x))
0.046 * [taylor]: Taking taylor expansion of (* x y) in y
0.046 * [taylor]: Taking taylor expansion of x in y
0.046 * [taylor]: Taking taylor expansion of y in y
0.046 * [taylor]: Taking taylor expansion of (* 0.5 x) in y
0.046 * [taylor]: Taking taylor expansion of 0.5 in y
0.046 * [taylor]: Taking taylor expansion of x in y
0.046 * [taylor]: Taking taylor expansion of z in y
0.046 * [taylor]: Taking taylor expansion of (+ (fma x y (* 0.5 x)) z) in x
0.046 * [taylor]: Taking taylor expansion of (fma x y (* 0.5 x)) in x
0.046 * [taylor]: Rewrote expression to (+ (* x y) (* 0.5 x))
0.046 * [taylor]: Taking taylor expansion of (* x y) in x
0.046 * [taylor]: Taking taylor expansion of x in x
0.046 * [taylor]: Taking taylor expansion of y in x
0.046 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.046 * [taylor]: Taking taylor expansion of 0.5 in x
0.046 * [taylor]: Taking taylor expansion of x in x
0.046 * [taylor]: Taking taylor expansion of z in x
0.046 * [taylor]: Taking taylor expansion of (+ (fma x y (* 0.5 x)) z) in x
0.046 * [taylor]: Taking taylor expansion of (fma x y (* 0.5 x)) in x
0.046 * [taylor]: Rewrote expression to (+ (* x y) (* 0.5 x))
0.046 * [taylor]: Taking taylor expansion of (* x y) in x
0.046 * [taylor]: Taking taylor expansion of x in x
0.046 * [taylor]: Taking taylor expansion of y in x
0.046 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.046 * [taylor]: Taking taylor expansion of 0.5 in x
0.046 * [taylor]: Taking taylor expansion of x in x
0.046 * [taylor]: Taking taylor expansion of z in x
0.047 * [taylor]: Taking taylor expansion of z in y
0.047 * [taylor]: Taking taylor expansion of z in z
0.048 * [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
0.049 * [taylor]: Taking taylor expansion of 0.5 in z
0.049 * [taylor]: Taking taylor expansion of 0 in z
0.051 * [taylor]: Taking taylor expansion of 0 in y
0.051 * [taylor]: Taking taylor expansion of 0 in z
0.051 * [taylor]: Taking taylor expansion of 1 in z
0.052 * [approximate]: Taking taylor expansion of (+ (/ 1 z) (fma (/ 1 x) (/ 1 y) (/ 0.5 x))) in (x y z) around 0
0.052 * [taylor]: Taking taylor expansion of (+ (/ 1 z) (fma (/ 1 x) (/ 1 y) (/ 0.5 x))) in z
0.052 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.052 * [taylor]: Taking taylor expansion of z in z
0.052 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (/ 1 y) (/ 0.5 x)) in z
0.052 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (/ 1 y)) (/ 0.5 x))
0.052 * [taylor]: Taking taylor expansion of (* (/ 1 x) (/ 1 y)) in z
0.052 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.052 * [taylor]: Taking taylor expansion of x in z
0.052 * [taylor]: Taking taylor expansion of (/ 1 y) in z
0.052 * [taylor]: Taking taylor expansion of y in z
0.052 * [taylor]: Taking taylor expansion of (/ 0.5 x) in z
0.052 * [taylor]: Taking taylor expansion of 0.5 in z
0.052 * [taylor]: Taking taylor expansion of x in z
0.053 * [taylor]: Taking taylor expansion of (+ (/ 1 z) (fma (/ 1 x) (/ 1 y) (/ 0.5 x))) in y
0.053 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.053 * [taylor]: Taking taylor expansion of z in y
0.053 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (/ 1 y) (/ 0.5 x)) in y
0.053 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (/ 1 y)) (/ 0.5 x))
0.053 * [taylor]: Taking taylor expansion of (* (/ 1 x) (/ 1 y)) in y
0.053 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.053 * [taylor]: Taking taylor expansion of x in y
0.053 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.053 * [taylor]: Taking taylor expansion of y in y
0.053 * [taylor]: Taking taylor expansion of (/ 0.5 x) in y
0.053 * [taylor]: Taking taylor expansion of 0.5 in y
0.053 * [taylor]: Taking taylor expansion of x in y
0.053 * [taylor]: Taking taylor expansion of (+ (/ 1 z) (fma (/ 1 x) (/ 1 y) (/ 0.5 x))) in x
0.053 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.053 * [taylor]: Taking taylor expansion of z in x
0.053 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (/ 1 y) (/ 0.5 x)) in x
0.053 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (/ 1 y)) (/ 0.5 x))
0.053 * [taylor]: Taking taylor expansion of (* (/ 1 x) (/ 1 y)) in x
0.053 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.053 * [taylor]: Taking taylor expansion of x in x
0.054 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.054 * [taylor]: Taking taylor expansion of y in x
0.054 * [taylor]: Taking taylor expansion of (/ 0.5 x) in x
0.054 * [taylor]: Taking taylor expansion of 0.5 in x
0.054 * [taylor]: Taking taylor expansion of x in x
0.054 * [taylor]: Taking taylor expansion of (+ (/ 1 z) (fma (/ 1 x) (/ 1 y) (/ 0.5 x))) in x
0.054 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.054 * [taylor]: Taking taylor expansion of z in x
0.054 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (/ 1 y) (/ 0.5 x)) in x
0.054 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (/ 1 y)) (/ 0.5 x))
0.054 * [taylor]: Taking taylor expansion of (* (/ 1 x) (/ 1 y)) in x
0.054 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.054 * [taylor]: Taking taylor expansion of x in x
0.055 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.055 * [taylor]: Taking taylor expansion of y in x
0.055 * [taylor]: Taking taylor expansion of (/ 0.5 x) in x
0.055 * [taylor]: Taking taylor expansion of 0.5 in x
0.055 * [taylor]: Taking taylor expansion of x in x
0.055 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 0.5) in y
0.055 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.055 * [taylor]: Taking taylor expansion of y in y
0.056 * [taylor]: Taking taylor expansion of 0.5 in y
0.056 * [taylor]: Taking taylor expansion of 1 in z
0.057 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.058 * [taylor]: Taking taylor expansion of z in y
0.058 * [taylor]: Taking taylor expansion of 0.5 in z
0.060 * [taylor]: Taking taylor expansion of 0 in y
0.061 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.061 * [taylor]: Taking taylor expansion of z in z
0.062 * [taylor]: Taking taylor expansion of 0 in z
0.062 * [approximate]: Taking taylor expansion of (- (fma (/ -1 x) (/ -1 y) (/ -0.5 x)) (/ 1 z)) in (x y z) around 0
0.062 * [taylor]: Taking taylor expansion of (- (fma (/ -1 x) (/ -1 y) (/ -0.5 x)) (/ 1 z)) in z
0.062 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (/ -1 y) (/ -0.5 x)) in z
0.063 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (/ -1 y)) (/ -0.5 x))
0.063 * [taylor]: Taking taylor expansion of (* (/ -1 x) (/ -1 y)) in z
0.063 * [taylor]: Taking taylor expansion of (/ -1 x) in z
0.063 * [taylor]: Taking taylor expansion of -1 in z
0.063 * [taylor]: Taking taylor expansion of x in z
0.063 * [taylor]: Taking taylor expansion of (/ -1 y) in z
0.063 * [taylor]: Taking taylor expansion of -1 in z
0.063 * [taylor]: Taking taylor expansion of y in z
0.063 * [taylor]: Taking taylor expansion of (/ -0.5 x) in z
0.063 * [taylor]: Taking taylor expansion of -0.5 in z
0.063 * [taylor]: Taking taylor expansion of x in z
0.063 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.063 * [taylor]: Taking taylor expansion of z in z
0.063 * [taylor]: Taking taylor expansion of (- (fma (/ -1 x) (/ -1 y) (/ -0.5 x)) (/ 1 z)) in y
0.063 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (/ -1 y) (/ -0.5 x)) in y
0.063 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (/ -1 y)) (/ -0.5 x))
0.063 * [taylor]: Taking taylor expansion of (* (/ -1 x) (/ -1 y)) in y
0.063 * [taylor]: Taking taylor expansion of (/ -1 x) in y
0.063 * [taylor]: Taking taylor expansion of -1 in y
0.063 * [taylor]: Taking taylor expansion of x in y
0.064 * [taylor]: Taking taylor expansion of (/ -1 y) in y
0.064 * [taylor]: Taking taylor expansion of -1 in y
0.064 * [taylor]: Taking taylor expansion of y in y
0.064 * [taylor]: Taking taylor expansion of (/ -0.5 x) in y
0.064 * [taylor]: Taking taylor expansion of -0.5 in y
0.064 * [taylor]: Taking taylor expansion of x in y
0.064 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.064 * [taylor]: Taking taylor expansion of z in y
0.064 * [taylor]: Taking taylor expansion of (- (fma (/ -1 x) (/ -1 y) (/ -0.5 x)) (/ 1 z)) in x
0.064 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (/ -1 y) (/ -0.5 x)) in x
0.064 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (/ -1 y)) (/ -0.5 x))
0.064 * [taylor]: Taking taylor expansion of (* (/ -1 x) (/ -1 y)) in x
0.064 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.064 * [taylor]: Taking taylor expansion of -1 in x
0.064 * [taylor]: Taking taylor expansion of x in x
0.065 * [taylor]: Taking taylor expansion of (/ -1 y) in x
0.065 * [taylor]: Taking taylor expansion of -1 in x
0.065 * [taylor]: Taking taylor expansion of y in x
0.065 * [taylor]: Taking taylor expansion of (/ -0.5 x) in x
0.065 * [taylor]: Taking taylor expansion of -0.5 in x
0.065 * [taylor]: Taking taylor expansion of x in x
0.065 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.065 * [taylor]: Taking taylor expansion of z in x
0.065 * [taylor]: Taking taylor expansion of (- (fma (/ -1 x) (/ -1 y) (/ -0.5 x)) (/ 1 z)) in x
0.065 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (/ -1 y) (/ -0.5 x)) in x
0.065 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (/ -1 y)) (/ -0.5 x))
0.065 * [taylor]: Taking taylor expansion of (* (/ -1 x) (/ -1 y)) in x
0.065 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.065 * [taylor]: Taking taylor expansion of -1 in x
0.065 * [taylor]: Taking taylor expansion of x in x
0.066 * [taylor]: Taking taylor expansion of (/ -1 y) in x
0.066 * [taylor]: Taking taylor expansion of -1 in x
0.066 * [taylor]: Taking taylor expansion of y in x
0.066 * [taylor]: Taking taylor expansion of (/ -0.5 x) in x
0.066 * [taylor]: Taking taylor expansion of -0.5 in x
0.066 * [taylor]: Taking taylor expansion of x in x
0.066 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.066 * [taylor]: Taking taylor expansion of z in x
0.066 * [taylor]: Taking taylor expansion of (- (/ 1 y) 0.5) in y
0.066 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.066 * [taylor]: Taking taylor expansion of y in y
0.067 * [taylor]: Taking taylor expansion of 0.5 in y
0.067 * [taylor]: Taking taylor expansion of 1 in z
0.069 * [taylor]: Taking taylor expansion of (- (/ 1 z)) in y
0.069 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.069 * [taylor]: Taking taylor expansion of z in y
0.070 * [taylor]: Taking taylor expansion of (- 0.5) in z
0.070 * [taylor]: Taking taylor expansion of 0.5 in z
0.073 * [taylor]: Taking taylor expansion of 0 in y
0.073 * [taylor]: Taking taylor expansion of (- (/ 1 z)) in z
0.073 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.073 * [taylor]: Taking taylor expansion of z in z
0.075 * [taylor]: Taking taylor expansion of 0 in z
0.076 * * * [progress]: simplifying candidates
0.077 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (+ (fma x y (/ x 2.0)) z))
  (log1p (+ (fma x y (/ x 2.0)) z))
  (* (exp (fma x y (/ x 2.0))) (exp z))
  (log (+ (fma x y (/ x 2.0)) z))
  (exp (+ (fma x y (/ x 2.0)) z))
  (* (cbrt (+ (fma x y (/ x 2.0)) z)) (cbrt (+ (fma x y (/ x 2.0)) z)))
  (cbrt (+ (fma x y (/ x 2.0)) z))
  (* (* (+ (fma x y (/ x 2.0)) z) (+ (fma x y (/ x 2.0)) z)) (+ (fma x y (/ x 2.0)) z))
  (sqrt (+ (fma x y (/ x 2.0)) z))
  (sqrt (+ (fma x y (/ x 2.0)) z))
  (+ (pow (fma x y (/ x 2.0)) 3) (pow z 3))
  (+ (* (fma x y (/ x 2.0)) (fma x y (/ x 2.0))) (- (* z z) (* (fma x y (/ x 2.0)) z)))
  (- (* (fma x y (/ x 2.0)) (fma x y (/ x 2.0))) (* z z))
  (- (fma x y (/ x 2.0)) z)
  (+ (fma x y (/ x 2.0)) z)
  (+ (/ x 2.0) z)
  (+ (* 0.5 x) (+ z (* x y)))
  (+ (* 0.5 x) (+ z (* x y)))
  (+ (* 0.5 x) (+ z (* x y)))
0.078 * * [simplify]: iteration  0 :  36  enodes  (cost  221 )
0.084 * * [simplify]: iteration  1 :  88  enodes  (cost  214 )
0.102 * * [simplify]: iteration  2 :  209  enodes  (cost  195 )
0.149 * * [simplify]: iteration  3 :  679  enodes  (cost  190 )
0.509 * * [simplify]: iteration  4 :  3183  enodes  (cost  187 )
1.488 * * [simplify]: iteration  done :  5001  enodes  (cost  187 )
1.488 * [simplify]: Simplified to:
   (expm1 (+ (fma x y (/ x 2.0)) z))
  (log1p (+ (fma x y (/ x 2.0)) z))
  (exp (+ (fma x y (/ x 2.0)) z))
  (log (+ (fma x y (/ x 2.0)) z))
  (exp (+ (fma x y (/ x 2.0)) z))
  (* (cbrt (+ (fma x y (/ x 2.0)) z)) (cbrt (+ (fma x y (/ x 2.0)) z)))
  (cbrt (+ (fma x y (/ x 2.0)) z))
  (pow (+ (fma x y (/ x 2.0)) z) 3)
  (sqrt (+ (fma x y (/ x 2.0)) z))
  (sqrt (+ (fma x y (/ x 2.0)) z))
  (+ (pow (fma x y (/ x 2.0)) 3) (pow z 3))
  (fma z z (* (fma x y (/ x 2.0)) (- (fma x y (/ x 2.0)) z)))
  (- (* (fma x y (/ x 2.0)) (fma x y (/ x 2.0))) (* z z))
  (- (fma x y (/ x 2.0)) z)
  (+ (fma x y (/ x 2.0)) z)
  (+ (/ x 2.0) z)
  (fma x (+ 0.5 y) z)
  (fma x (+ 0.5 y) z)
  (fma x (+ 0.5 y) z)
1.488 * * * [progress]: adding candidates to table
1.543 * * [progress]: iteration 2 / 4
1.543 * * * [progress]: picking best candidate
1.545 * * * * [pick]: Picked  #<alt (λ (x y z) (fma x (+ 0.5 y) z))>
1.545 * * * [progress]: localizing error
1.551 * * * [progress]: generating rewritten candidates
1.551 * * * [progress]: generating series expansions
1.551 * * * [progress]: simplifying candidates
1.551 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   
1.552 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
1.552 * * [simplify]: iteration  done :  0  enodes  (cost  0 )
1.552 * [simplify]: Simplified to:
   
1.552 * * * [progress]: adding candidates to table
1.553 * [progress]: [Phase 3 of 3] Extracting.
1.555 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (fma x (+ 0.5 y) z)
1.555 * * [simplify]: iteration  0 :  6  enodes  (cost  6 )
1.555 * * [simplify]: iteration  1 :  7  enodes  (cost  6 )
1.556 * * [simplify]: iteration  done :  7  enodes  (cost  6 )
1.556 * [simplify]: Simplified to:
   (fma x (+ 0.5 y) z)
2.032 * [regime-testing]: End program error score: 0.0031253906738342293