1.470 * [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 x) (* (* y 4.0) z))
0.023 * * [simplify]: iteration  0 :  15  enodes  (cost  4 )
0.024 * * [simplify]: iteration  1 :  33  enodes  (cost  4 )
0.026 * * [simplify]: iteration  2 :  64  enodes  (cost  4 )
0.027 * * [simplify]: iteration  3 :  79  enodes  (cost  4 )
0.029 * * [simplify]: iteration  4 :  79  enodes  (cost  4 )
0.029 * [simplify]: Simplified to:
   (- (* x x) (* (* y 4.0) z))
0.029 * * [progress]: iteration 1 / 4
0.029 * * * [progress]: picking best candidate
0.031 * * * * [pick]: Picked  #<alt (λ (x y z) (- (* x x) (* (* y 4.0) z)))>
0.031 * * * [progress]: localizing error
0.040 * * * [progress]: generating rewritten candidates
0.040 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.043 * * * [progress]: generating series expansions
0.043 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.043 * [approximate]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in (x y z) around 0
0.043 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in z
0.043 * [taylor]: Taking taylor expansion of (pow x 2) in z
0.043 * [taylor]: Taking taylor expansion of x in z
0.043 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in z
0.043 * [taylor]: Taking taylor expansion of 4.0 in z
0.043 * [taylor]: Taking taylor expansion of (* z y) in z
0.043 * [taylor]: Taking taylor expansion of z in z
0.043 * [taylor]: Taking taylor expansion of y in z
0.043 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in y
0.043 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.043 * [taylor]: Taking taylor expansion of x in y
0.043 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in y
0.043 * [taylor]: Taking taylor expansion of 4.0 in y
0.043 * [taylor]: Taking taylor expansion of (* z y) in y
0.043 * [taylor]: Taking taylor expansion of z in y
0.043 * [taylor]: Taking taylor expansion of y in y
0.043 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in x
0.043 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.043 * [taylor]: Taking taylor expansion of x in x
0.043 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in x
0.043 * [taylor]: Taking taylor expansion of 4.0 in x
0.043 * [taylor]: Taking taylor expansion of (* z y) in x
0.043 * [taylor]: Taking taylor expansion of z in x
0.044 * [taylor]: Taking taylor expansion of y in x
0.044 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in x
0.044 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.044 * [taylor]: Taking taylor expansion of x in x
0.044 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in x
0.044 * [taylor]: Taking taylor expansion of 4.0 in x
0.044 * [taylor]: Taking taylor expansion of (* z y) in x
0.044 * [taylor]: Taking taylor expansion of z in x
0.044 * [taylor]: Taking taylor expansion of y in x
0.044 * [taylor]: Taking taylor expansion of (- (* 4.0 (* z y))) in y
0.044 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in y
0.044 * [taylor]: Taking taylor expansion of 4.0 in y
0.044 * [taylor]: Taking taylor expansion of (* z y) in y
0.044 * [taylor]: Taking taylor expansion of z in y
0.044 * [taylor]: Taking taylor expansion of y in y
0.045 * [taylor]: Taking taylor expansion of 0 in z
0.046 * [taylor]: Taking taylor expansion of 0 in y
0.046 * [taylor]: Taking taylor expansion of 0 in z
0.046 * [taylor]: Taking taylor expansion of (- (* 4.0 z)) in z
0.046 * [taylor]: Taking taylor expansion of (* 4.0 z) in z
0.046 * [taylor]: Taking taylor expansion of 4.0 in z
0.046 * [taylor]: Taking taylor expansion of z in z
0.048 * [taylor]: Taking taylor expansion of 1 in y
0.048 * [taylor]: Taking taylor expansion of 1 in z
0.048 * [taylor]: Taking taylor expansion of 0 in z
0.049 * [taylor]: Taking taylor expansion of 0 in z
0.053 * [taylor]: Taking taylor expansion of 0 in y
0.053 * [taylor]: Taking taylor expansion of 0 in z
0.053 * [taylor]: Taking taylor expansion of 0 in z
0.053 * [taylor]: Taking taylor expansion of 0 in z
0.055 * [taylor]: Taking taylor expansion of 0 in z
0.055 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in (x y z) around 0
0.055 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in z
0.055 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in z
0.055 * [taylor]: Taking taylor expansion of (pow x 2) in z
0.055 * [taylor]: Taking taylor expansion of x in z
0.055 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in z
0.055 * [taylor]: Taking taylor expansion of 4.0 in z
0.055 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in z
0.055 * [taylor]: Taking taylor expansion of (* z y) in z
0.056 * [taylor]: Taking taylor expansion of z in z
0.056 * [taylor]: Taking taylor expansion of y in z
0.056 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in y
0.056 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.056 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.056 * [taylor]: Taking taylor expansion of x in y
0.056 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.056 * [taylor]: Taking taylor expansion of 4.0 in y
0.056 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.056 * [taylor]: Taking taylor expansion of (* z y) in y
0.056 * [taylor]: Taking taylor expansion of z in y
0.056 * [taylor]: Taking taylor expansion of y in y
0.057 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in x
0.057 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.057 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.057 * [taylor]: Taking taylor expansion of x in x
0.057 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.057 * [taylor]: Taking taylor expansion of 4.0 in x
0.057 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.057 * [taylor]: Taking taylor expansion of (* z y) in x
0.057 * [taylor]: Taking taylor expansion of z in x
0.057 * [taylor]: Taking taylor expansion of y in x
0.057 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in x
0.057 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.057 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.057 * [taylor]: Taking taylor expansion of x in x
0.058 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.058 * [taylor]: Taking taylor expansion of 4.0 in x
0.058 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.058 * [taylor]: Taking taylor expansion of (* z y) in x
0.058 * [taylor]: Taking taylor expansion of z in x
0.058 * [taylor]: Taking taylor expansion of y in x
0.058 * [taylor]: Taking taylor expansion of 1 in y
0.059 * [taylor]: Taking taylor expansion of 0 in y
0.059 * [taylor]: Taking taylor expansion of 1 in z
0.060 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in y
0.061 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.061 * [taylor]: Taking taylor expansion of 4.0 in y
0.061 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.061 * [taylor]: Taking taylor expansion of (* z y) in y
0.061 * [taylor]: Taking taylor expansion of z in y
0.061 * [taylor]: Taking taylor expansion of y in y
0.061 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 z))) in z
0.061 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in z
0.061 * [taylor]: Taking taylor expansion of 4.0 in z
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 * [taylor]: Taking taylor expansion of 0 in z
0.064 * [taylor]: Taking taylor expansion of 0 in y
0.066 * [taylor]: Taking taylor expansion of 0 in z
0.066 * [taylor]: Taking taylor expansion of 0 in z
0.066 * [taylor]: Taking taylor expansion of 0 in z
0.069 * [taylor]: Taking taylor expansion of 0 in y
0.069 * [taylor]: Taking taylor expansion of 0 in z
0.071 * [taylor]: Taking taylor expansion of 0 in z
0.071 * [taylor]: Taking taylor expansion of 0 in z
0.071 * [taylor]: Taking taylor expansion of 0 in z
0.071 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in (x y z) around 0
0.071 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in z
0.071 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in z
0.071 * [taylor]: Taking taylor expansion of (pow x 2) in z
0.071 * [taylor]: Taking taylor expansion of x in z
0.072 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in z
0.072 * [taylor]: Taking taylor expansion of 4.0 in z
0.072 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in z
0.072 * [taylor]: Taking taylor expansion of (* z y) in z
0.072 * [taylor]: Taking taylor expansion of z in z
0.072 * [taylor]: Taking taylor expansion of y in z
0.072 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in y
0.072 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.072 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.072 * [taylor]: Taking taylor expansion of x in y
0.072 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.072 * [taylor]: Taking taylor expansion of 4.0 in y
0.072 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.072 * [taylor]: Taking taylor expansion of (* z y) in y
0.072 * [taylor]: Taking taylor expansion of z in y
0.072 * [taylor]: Taking taylor expansion of y in y
0.072 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in x
0.073 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.073 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.073 * [taylor]: Taking taylor expansion of x in x
0.073 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.073 * [taylor]: Taking taylor expansion of 4.0 in x
0.073 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.073 * [taylor]: Taking taylor expansion of (* z y) in x
0.073 * [taylor]: Taking taylor expansion of z in x
0.073 * [taylor]: Taking taylor expansion of y in x
0.073 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in x
0.073 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.073 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.073 * [taylor]: Taking taylor expansion of x in x
0.074 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.074 * [taylor]: Taking taylor expansion of 4.0 in x
0.074 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.074 * [taylor]: Taking taylor expansion of (* z y) in x
0.074 * [taylor]: Taking taylor expansion of z in x
0.074 * [taylor]: Taking taylor expansion of y in x
0.074 * [taylor]: Taking taylor expansion of 1 in y
0.075 * [taylor]: Taking taylor expansion of 0 in y
0.075 * [taylor]: Taking taylor expansion of 1 in z
0.076 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in y
0.076 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.076 * [taylor]: Taking taylor expansion of 4.0 in y
0.076 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.076 * [taylor]: Taking taylor expansion of (* z y) in y
0.076 * [taylor]: Taking taylor expansion of z in y
0.076 * [taylor]: Taking taylor expansion of y in y
0.077 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 z))) in z
0.077 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in z
0.077 * [taylor]: Taking taylor expansion of 4.0 in z
0.077 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.077 * [taylor]: Taking taylor expansion of z in z
0.078 * [taylor]: Taking taylor expansion of 0 in z
0.078 * [taylor]: Taking taylor expansion of 0 in z
0.080 * [taylor]: Taking taylor expansion of 0 in y
0.081 * [taylor]: Taking taylor expansion of 0 in z
0.081 * [taylor]: Taking taylor expansion of 0 in z
0.081 * [taylor]: Taking taylor expansion of 0 in z
0.085 * [taylor]: Taking taylor expansion of 0 in y
0.085 * [taylor]: Taking taylor expansion of 0 in z
0.086 * [taylor]: Taking taylor expansion of 0 in z
0.086 * [taylor]: Taking taylor expansion of 0 in z
0.086 * [taylor]: Taking taylor expansion of 0 in z
0.087 * * * [progress]: simplifying candidates
0.087 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (fma x x (- (* z (* y 4.0))))
  (fma (- z) (* y 4.0) (* z (* y 4.0)))
  (expm1 (- (* x x) (* (* y 4.0) z)))
  (log1p (- (* x x) (* (* y 4.0) z)))
  (- (* (* y 4.0) z))
  (/ (exp (* x x)) (exp (* (* y 4.0) z)))
  (log (- (* x x) (* (* y 4.0) z)))
  (exp (- (* x x) (* (* y 4.0) z)))
  (* (cbrt (- (* x x) (* (* y 4.0) z))) (cbrt (- (* x x) (* (* y 4.0) z))))
  (cbrt (- (* x x) (* (* y 4.0) z)))
  (* (* (- (* x x) (* (* y 4.0) z)) (- (* x x) (* (* y 4.0) z))) (- (* x x) (* (* y 4.0) z)))
  (sqrt (- (* x x) (* (* y 4.0) z)))
  (sqrt (- (* x x) (* (* y 4.0) z)))
  (- (pow (* x x) 3) (pow (* (* y 4.0) z) 3))
  (+ (* (* x x) (* x x)) (+ (* (* (* y 4.0) z) (* (* y 4.0) z)) (* (* x x) (* (* y 4.0) z))))
  (- (* (* y 4.0) z))
  (- (* (* x x) (* x x)) (* (* (* y 4.0) z) (* (* y 4.0) z)))
  (+ (* x x) (* (* y 4.0) z))
  (- (* (* y 4.0) z))
  (- (pow x 2) (* 4.0 (* z y)))
  (- (pow x 2) (* 4.0 (* z y)))
  (- (pow x 2) (* 4.0 (* z y)))
0.091 * * [simplify]: iteration  0 :  113  enodes  (cost  123 )
0.094 * * [simplify]: iteration  1 :  540  enodes  (cost  111 )
0.109 * * [simplify]: iteration  2 :  2732  enodes  (cost  108 )
0.170 * * [simplify]: iteration  3 :  5001  enodes  (cost  104 )
0.171 * [simplify]: Simplified to:
   (- (* x x) (* (* y 4.0) z))
  0
  (expm1 (- (* x x) (* (* y 4.0) z)))
  (log1p (- (* x x) (* (* y 4.0) z)))
  (- (* (* y 4.0) z))
  (exp (- (* x x) (* (* y 4.0) z)))
  (log (- (* x x) (* (* y 4.0) z)))
  (exp (- (* x x) (* (* y 4.0) z)))
  (* (cbrt (- (* x x) (* (* y 4.0) z))) (cbrt (- (* x x) (* (* y 4.0) z))))
  (cbrt (- (* x x) (* (* y 4.0) z)))
  (pow (- (* x x) (* (* y 4.0) z)) 3)
  (sqrt (- (* x x) (* (* y 4.0) z)))
  (sqrt (- (* x x) (* (* y 4.0) z)))
  (- (pow (* x x) 3) (pow (* (* y 4.0) z) 3))
  (fma y (* (* 4.0 z) (fma x x (* (* y 4.0) z))) (pow x 4))
  (- (* (* y 4.0) z))
  (fma (- (* (* y 4.0) (* y 4.0))) (* z z) (pow x 4))
  (fma x x (* (* y 4.0) z))
  (- (* (* y 4.0) z))
  (- (* x x) (* (* y 4.0) z))
  (- (* x x) (* (* y 4.0) z))
  (- (* x x) (* (* y 4.0) z))
0.171 * * * [progress]: adding candidates to table
0.209 * * [progress]: iteration 2 / 4
0.209 * * * [progress]: picking best candidate
0.210 * * * * [pick]: Picked  #<alt (λ (x y z) (fma x x (- (* (* y 4.0) z))))>
0.210 * * * [progress]: localizing error
0.217 * * * [progress]: generating rewritten candidates
0.217 * * * [progress]: generating series expansions
0.217 * * * [progress]: simplifying candidates
0.217 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.219 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.219 * [simplify]: Simplified to:
   
0.219 * * * [progress]: adding candidates to table
0.219 * [progress]: [Phase 3 of 3] Extracting.
0.222 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (fma x x (- (* (* y 4.0) z)))
0.222 * * [simplify]: iteration  0 :  14  enodes  (cost  4 )
0.222 * * [simplify]: iteration  1 :  22  enodes  (cost  4 )
0.223 * * [simplify]: iteration  2 :  22  enodes  (cost  4 )
0.223 * [simplify]: Simplified to:
   (fma x x (- (* (* y 4.0) z)))
0.804 * [regime-testing]: End program error score: 0.044045746730202194