1.476 * [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.
0.021 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (* x x) (* (* y 4.0) z))
0.022 * * [simplify]: iteration  0 :  8  enodes  (cost  9 )
0.023 * * [simplify]: iteration  1 :  15  enodes  (cost  9 )
0.025 * * [simplify]: iteration  2 :  32  enodes  (cost  9 )
0.029 * * [simplify]: iteration  3 :  64  enodes  (cost  9 )
0.041 * * [simplify]: iteration  4 :  73  enodes  (cost  9 )
0.050 * * [simplify]: iteration  done :  73  enodes  (cost  9 )
0.050 * [simplify]: Simplified to:
   (- (* x x) (* (* y 4.0) z))
0.050 * * [progress]: iteration 1 / 4
0.050 * * * [progress]: picking best candidate
0.052 * * * * [pick]: Picked  #<alt (λ (x y z) (- (* x x) (* (* y 4.0) z)))>
0.052 * * * [progress]: localizing error
0.057 * * * [progress]: generating rewritten candidates
0.058 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.061 * * * [progress]: generating series expansions
0.061 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.061 * [approximate]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in (x y z) around 0
0.061 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in z
0.061 * [taylor]: Taking taylor expansion of (pow x 2) in z
0.061 * [taylor]: Taking taylor expansion of x in z
0.061 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in z
0.061 * [taylor]: Taking taylor expansion of 4.0 in z
0.061 * [taylor]: Taking taylor expansion of (* z y) in z
0.061 * [taylor]: Taking taylor expansion of z in z
0.061 * [taylor]: Taking taylor expansion of y in z
0.061 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in y
0.061 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.061 * [taylor]: Taking taylor expansion of x in y
0.061 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in y
0.061 * [taylor]: Taking taylor expansion of 4.0 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 (- (pow x 2) (* 4.0 (* z y))) in x
0.061 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.061 * [taylor]: Taking taylor expansion of x in x
0.062 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in x
0.062 * [taylor]: Taking taylor expansion of 4.0 in x
0.062 * [taylor]: Taking taylor expansion of (* z y) in x
0.062 * [taylor]: Taking taylor expansion of z in x
0.062 * [taylor]: Taking taylor expansion of y in x
0.062 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in x
0.062 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.062 * [taylor]: Taking taylor expansion of x in x
0.062 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in x
0.062 * [taylor]: Taking taylor expansion of 4.0 in x
0.062 * [taylor]: Taking taylor expansion of (* z y) in x
0.062 * [taylor]: Taking taylor expansion of z in x
0.062 * [taylor]: Taking taylor expansion of y in x
0.062 * [taylor]: Taking taylor expansion of (- (* 4.0 (* z y))) in y
0.062 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in y
0.062 * [taylor]: Taking taylor expansion of 4.0 in y
0.062 * [taylor]: Taking taylor expansion of (* z y) in y
0.062 * [taylor]: Taking taylor expansion of z in y
0.062 * [taylor]: Taking taylor expansion of y in y
0.063 * [taylor]: Taking taylor expansion of 0 in z
0.064 * [taylor]: Taking taylor expansion of 0 in y
0.064 * [taylor]: Taking taylor expansion of 0 in z
0.064 * [taylor]: Taking taylor expansion of (- (* 4.0 z)) in z
0.064 * [taylor]: Taking taylor expansion of (* 4.0 z) in z
0.064 * [taylor]: Taking taylor expansion of 4.0 in z
0.064 * [taylor]: Taking taylor expansion of z in z
0.066 * [taylor]: Taking taylor expansion of 1 in y
0.066 * [taylor]: Taking taylor expansion of 1 in z
0.066 * [taylor]: Taking taylor expansion of 0 in z
0.068 * [taylor]: Taking taylor expansion of 0 in z
0.071 * [taylor]: Taking taylor expansion of 0 in y
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
0.073 * [taylor]: Taking taylor expansion of 0 in z
0.073 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in (x y z) around 0
0.074 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in z
0.074 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in z
0.074 * [taylor]: Taking taylor expansion of (pow x 2) in z
0.074 * [taylor]: Taking taylor expansion of x in z
0.074 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in z
0.074 * [taylor]: Taking taylor expansion of 4.0 in z
0.074 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in z
0.074 * [taylor]: Taking taylor expansion of (* z y) in z
0.074 * [taylor]: Taking taylor expansion of z in z
0.074 * [taylor]: Taking taylor expansion of y in z
0.074 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in y
0.074 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.074 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.074 * [taylor]: Taking taylor expansion of x in y
0.074 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.074 * [taylor]: Taking taylor expansion of 4.0 in y
0.074 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.074 * [taylor]: Taking taylor expansion of (* z y) in y
0.074 * [taylor]: Taking taylor expansion of z in y
0.074 * [taylor]: Taking taylor expansion of y in y
0.075 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in x
0.075 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.075 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.075 * [taylor]: Taking taylor expansion of x in x
0.075 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.075 * [taylor]: Taking taylor expansion of 4.0 in x
0.075 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.075 * [taylor]: Taking taylor expansion of (* z y) in x
0.075 * [taylor]: Taking taylor expansion of z in x
0.075 * [taylor]: Taking taylor expansion of y in x
0.075 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in x
0.075 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.075 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.075 * [taylor]: Taking taylor expansion of x in x
0.076 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.076 * [taylor]: Taking taylor expansion of 4.0 in x
0.076 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.076 * [taylor]: Taking taylor expansion of (* z y) in x
0.076 * [taylor]: Taking taylor expansion of z in x
0.076 * [taylor]: Taking taylor expansion of y in x
0.076 * [taylor]: Taking taylor expansion of 1 in y
0.078 * [taylor]: Taking taylor expansion of 0 in y
0.078 * [taylor]: Taking taylor expansion of 1 in z
0.079 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in y
0.079 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.079 * [taylor]: Taking taylor expansion of 4.0 in y
0.079 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.079 * [taylor]: Taking taylor expansion of (* z y) in y
0.079 * [taylor]: Taking taylor expansion of z in y
0.079 * [taylor]: Taking taylor expansion of y in y
0.079 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 z))) in z
0.079 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in z
0.079 * [taylor]: Taking taylor expansion of 4.0 in z
0.079 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.079 * [taylor]: Taking taylor expansion of z in z
0.080 * [taylor]: Taking taylor expansion of 0 in z
0.080 * [taylor]: Taking taylor expansion of 0 in z
0.083 * [taylor]: Taking taylor expansion of 0 in y
0.084 * [taylor]: Taking taylor expansion of 0 in z
0.084 * [taylor]: Taking taylor expansion of 0 in z
0.084 * [taylor]: Taking taylor expansion of 0 in z
0.088 * [taylor]: Taking taylor expansion of 0 in y
0.088 * [taylor]: Taking taylor expansion of 0 in z
0.089 * [taylor]: Taking taylor expansion of 0 in z
0.089 * [taylor]: Taking taylor expansion of 0 in z
0.089 * [taylor]: Taking taylor expansion of 0 in z
0.090 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in (x y z) around 0
0.090 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in z
0.090 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in z
0.090 * [taylor]: Taking taylor expansion of (pow x 2) in z
0.090 * [taylor]: Taking taylor expansion of x in z
0.090 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in z
0.090 * [taylor]: Taking taylor expansion of 4.0 in z
0.090 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in z
0.090 * [taylor]: Taking taylor expansion of (* z y) in z
0.090 * [taylor]: Taking taylor expansion of z in z
0.090 * [taylor]: Taking taylor expansion of y in z
0.091 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in y
0.091 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.091 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.091 * [taylor]: Taking taylor expansion of x in y
0.091 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.091 * [taylor]: Taking taylor expansion of 4.0 in y
0.091 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.091 * [taylor]: Taking taylor expansion of (* z y) in y
0.091 * [taylor]: Taking taylor expansion of z in y
0.091 * [taylor]: Taking taylor expansion of y in y
0.091 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in x
0.091 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.091 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.091 * [taylor]: Taking taylor expansion of x in x
0.092 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.092 * [taylor]: Taking taylor expansion of 4.0 in x
0.092 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.092 * [taylor]: Taking taylor expansion of (* z y) in x
0.092 * [taylor]: Taking taylor expansion of z in x
0.092 * [taylor]: Taking taylor expansion of y in x
0.092 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in x
0.092 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.092 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.092 * [taylor]: Taking taylor expansion of x in x
0.092 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.092 * [taylor]: Taking taylor expansion of 4.0 in x
0.092 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.093 * [taylor]: Taking taylor expansion of (* z y) in x
0.093 * [taylor]: Taking taylor expansion of z in x
0.093 * [taylor]: Taking taylor expansion of y in x
0.093 * [taylor]: Taking taylor expansion of 1 in y
0.094 * [taylor]: Taking taylor expansion of 0 in y
0.094 * [taylor]: Taking taylor expansion of 1 in z
0.095 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in y
0.095 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.095 * [taylor]: Taking taylor expansion of 4.0 in y
0.095 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.095 * [taylor]: Taking taylor expansion of (* z y) in y
0.095 * [taylor]: Taking taylor expansion of z in y
0.095 * [taylor]: Taking taylor expansion of y in y
0.096 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 z))) in z
0.096 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in z
0.096 * [taylor]: Taking taylor expansion of 4.0 in z
0.096 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.096 * [taylor]: Taking taylor expansion of z in z
0.097 * [taylor]: Taking taylor expansion of 0 in z
0.097 * [taylor]: Taking taylor expansion of 0 in z
0.099 * [taylor]: Taking taylor expansion of 0 in y
0.100 * [taylor]: Taking taylor expansion of 0 in z
0.100 * [taylor]: Taking taylor expansion of 0 in z
0.100 * [taylor]: Taking taylor expansion of 0 in z
0.104 * [taylor]: Taking taylor expansion of 0 in y
0.104 * [taylor]: Taking taylor expansion of 0 in z
0.108 * [taylor]: Taking taylor expansion of 0 in z
0.108 * [taylor]: Taking taylor expansion of 0 in z
0.108 * [taylor]: Taking taylor expansion of 0 in z
0.108 * * * [progress]: simplifying candidates
0.109 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (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)))
0.110 * * [simplify]: iteration  0 :  42  enodes  (cost  266 )
0.118 * * [simplify]: iteration  1 :  119  enodes  (cost  255 )
0.145 * * [simplify]: iteration  2 :  514  enodes  (cost  225 )
0.328 * * [simplify]: iteration  3 :  2349  enodes  (cost  225 )
1.054 * * [simplify]: iteration  done :  5000  enodes  (cost  224 )
1.054 * [simplify]: Simplified to:
   (- (pow x 2) (* 4.0 (* z y)))
  (* (* z y) (- 4.0 4.0))
  (expm1 (- (* x x) (* (* y 4.0) z)))
  (log1p (- (* x x) (* (* y 4.0) z)))
  (- (* z (* y 4.0)))
  (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 (- (pow x 2) (* 4.0 (* z y))) 3)
  (sqrt (- (* x x) (* (* y 4.0) z)))
  (sqrt (- (* x x) (* (* y 4.0) z)))
  (- (pow x 6) (pow (* (* y 4.0) z) 3))
  (fma (* (* y 4.0) z) (fma x x (* z (* y 4.0))) (pow x 4))
  (- (* z (* y 4.0)))
  (- (pow x 4) (* (* (* y 4.0) z) (* (* y 4.0) z)))
  (fma x x (* z (* y 4.0)))
  (- (* z (* y 4.0)))
  (- (pow x 2) (* 4.0 (* z y)))
  (- (pow x 2) (* 4.0 (* z y)))
  (- (pow x 2) (* 4.0 (* z y)))
1.055 * * * [progress]: adding candidates to table
1.094 * * [progress]: iteration 2 / 4
1.095 * * * [progress]: picking best candidate
1.096 * * * * [pick]: Picked  #<alt (λ (x y z) (fma x x (- (* z (* y 4.0)))))>
1.096 * * * [progress]: localizing error
1.103 * * * [progress]: generating rewritten candidates
1.103 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
1.104 * * * [progress]: generating series expansions
1.104 * * * * [progress]: [ 1 / 1 ] generating series at (2)
1.104 * [approximate]: Taking taylor expansion of (fma x x (- (* 4.0 (* z y)))) in (x z y) around 0
1.104 * [taylor]: Taking taylor expansion of (fma x x (- (* 4.0 (* z y)))) in y
1.104 * [taylor]: Rewrote expression to (+ (* x x) (- (* 4.0 (* z y))))
1.104 * [taylor]: Taking taylor expansion of (* x x) in y
1.104 * [taylor]: Taking taylor expansion of x in y
1.104 * [taylor]: Taking taylor expansion of x in y
1.104 * [taylor]: Taking taylor expansion of (- (* 4.0 (* z y))) in y
1.104 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in y
1.104 * [taylor]: Taking taylor expansion of 4.0 in y
1.104 * [taylor]: Taking taylor expansion of (* z y) in y
1.104 * [taylor]: Taking taylor expansion of z in y
1.104 * [taylor]: Taking taylor expansion of y in y
1.104 * [taylor]: Taking taylor expansion of (fma x x (- (* 4.0 (* z y)))) in z
1.104 * [taylor]: Rewrote expression to (+ (* x x) (- (* 4.0 (* z y))))
1.104 * [taylor]: Taking taylor expansion of (* x x) in z
1.104 * [taylor]: Taking taylor expansion of x in z
1.104 * [taylor]: Taking taylor expansion of x in z
1.104 * [taylor]: Taking taylor expansion of (- (* 4.0 (* z y))) in z
1.104 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in z
1.104 * [taylor]: Taking taylor expansion of 4.0 in z
1.104 * [taylor]: Taking taylor expansion of (* z y) in z
1.104 * [taylor]: Taking taylor expansion of z in z
1.104 * [taylor]: Taking taylor expansion of y in z
1.104 * [taylor]: Taking taylor expansion of (fma x x (- (* 4.0 (* z y)))) in x
1.105 * [taylor]: Rewrote expression to (+ (* x x) (- (* 4.0 (* z y))))
1.105 * [taylor]: Taking taylor expansion of (* x x) in x
1.105 * [taylor]: Taking taylor expansion of x in x
1.105 * [taylor]: Taking taylor expansion of x in x
1.105 * [taylor]: Taking taylor expansion of (- (* 4.0 (* z y))) in x
1.105 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in x
1.105 * [taylor]: Taking taylor expansion of 4.0 in x
1.105 * [taylor]: Taking taylor expansion of (* z y) in x
1.105 * [taylor]: Taking taylor expansion of z in x
1.105 * [taylor]: Taking taylor expansion of y in x
1.105 * [taylor]: Taking taylor expansion of (fma x x (- (* 4.0 (* z y)))) in x
1.105 * [taylor]: Rewrote expression to (+ (* x x) (- (* 4.0 (* z y))))
1.105 * [taylor]: Taking taylor expansion of (* x x) in x
1.105 * [taylor]: Taking taylor expansion of x in x
1.105 * [taylor]: Taking taylor expansion of x in x
1.105 * [taylor]: Taking taylor expansion of (- (* 4.0 (* z y))) in x
1.105 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in x
1.105 * [taylor]: Taking taylor expansion of 4.0 in x
1.105 * [taylor]: Taking taylor expansion of (* z y) in x
1.105 * [taylor]: Taking taylor expansion of z in x
1.105 * [taylor]: Taking taylor expansion of y in x
1.106 * [taylor]: Taking taylor expansion of (- (* 4.0 (* z y))) in z
1.106 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in z
1.106 * [taylor]: Taking taylor expansion of 4.0 in z
1.106 * [taylor]: Taking taylor expansion of (* z y) in z
1.106 * [taylor]: Taking taylor expansion of z in z
1.106 * [taylor]: Taking taylor expansion of y in z
1.106 * [taylor]: Taking taylor expansion of 0 in y
1.108 * [taylor]: Taking taylor expansion of 0 in z
1.108 * [taylor]: Taking taylor expansion of 0 in y
1.108 * [taylor]: Taking taylor expansion of (- (* 4.0 y)) in y
1.108 * [taylor]: Taking taylor expansion of (* 4.0 y) in y
1.108 * [taylor]: Taking taylor expansion of 4.0 in y
1.108 * [taylor]: Taking taylor expansion of y in y
1.110 * [taylor]: Taking taylor expansion of 1 in z
1.110 * [taylor]: Taking taylor expansion of 1 in y
1.110 * [taylor]: Taking taylor expansion of 0 in y
1.112 * [taylor]: Taking taylor expansion of 0 in y
1.116 * [taylor]: Taking taylor expansion of 0 in z
1.116 * [taylor]: Taking taylor expansion of 0 in y
1.116 * [taylor]: Taking taylor expansion of 0 in y
1.116 * [taylor]: Taking taylor expansion of 0 in y
1.117 * [taylor]: Taking taylor expansion of 0 in y
1.118 * [approximate]: Taking taylor expansion of (fma (/ 1 x) (/ 1 x) (- (* 4.0 (/ 1 (* z y))))) in (x z y) around 0
1.118 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (/ 1 x) (- (* 4.0 (/ 1 (* z y))))) in y
1.118 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (/ 1 x)) (- (* 4.0 (/ 1 (* z y)))))
1.118 * [taylor]: Taking taylor expansion of (* (/ 1 x) (/ 1 x)) in y
1.118 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.118 * [taylor]: Taking taylor expansion of x in y
1.118 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.118 * [taylor]: Taking taylor expansion of x in y
1.118 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in y
1.118 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
1.118 * [taylor]: Taking taylor expansion of 4.0 in y
1.118 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
1.118 * [taylor]: Taking taylor expansion of (* z y) in y
1.119 * [taylor]: Taking taylor expansion of z in y
1.119 * [taylor]: Taking taylor expansion of y in y
1.119 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (/ 1 x) (- (* 4.0 (/ 1 (* z y))))) in z
1.119 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (/ 1 x)) (- (* 4.0 (/ 1 (* z y)))))
1.119 * [taylor]: Taking taylor expansion of (* (/ 1 x) (/ 1 x)) in z
1.119 * [taylor]: Taking taylor expansion of (/ 1 x) in z
1.119 * [taylor]: Taking taylor expansion of x in z
1.119 * [taylor]: Taking taylor expansion of (/ 1 x) in z
1.119 * [taylor]: Taking taylor expansion of x in z
1.119 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in z
1.119 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in z
1.119 * [taylor]: Taking taylor expansion of 4.0 in z
1.119 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in z
1.119 * [taylor]: Taking taylor expansion of (* z y) in z
1.119 * [taylor]: Taking taylor expansion of z in z
1.119 * [taylor]: Taking taylor expansion of y in z
1.120 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (/ 1 x) (- (* 4.0 (/ 1 (* z y))))) in x
1.120 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (/ 1 x)) (- (* 4.0 (/ 1 (* z y)))))
1.120 * [taylor]: Taking taylor expansion of (* (/ 1 x) (/ 1 x)) in x
1.120 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.120 * [taylor]: Taking taylor expansion of x in x
1.120 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.120 * [taylor]: Taking taylor expansion of x in x
1.120 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in x
1.120 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
1.120 * [taylor]: Taking taylor expansion of 4.0 in x
1.120 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
1.120 * [taylor]: Taking taylor expansion of (* z y) in x
1.120 * [taylor]: Taking taylor expansion of z in x
1.120 * [taylor]: Taking taylor expansion of y in x
1.120 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (/ 1 x) (- (* 4.0 (/ 1 (* z y))))) in x
1.121 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (/ 1 x)) (- (* 4.0 (/ 1 (* z y)))))
1.121 * [taylor]: Taking taylor expansion of (* (/ 1 x) (/ 1 x)) in x
1.121 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.121 * [taylor]: Taking taylor expansion of x in x
1.121 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.121 * [taylor]: Taking taylor expansion of x in x
1.121 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in x
1.121 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
1.121 * [taylor]: Taking taylor expansion of 4.0 in x
1.121 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
1.121 * [taylor]: Taking taylor expansion of (* z y) in x
1.121 * [taylor]: Taking taylor expansion of z in x
1.121 * [taylor]: Taking taylor expansion of y in x
1.122 * [taylor]: Taking taylor expansion of 1 in z
1.123 * [taylor]: Taking taylor expansion of 0 in z
1.123 * [taylor]: Taking taylor expansion of 1 in y
1.125 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in z
1.125 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in z
1.125 * [taylor]: Taking taylor expansion of 4.0 in z
1.125 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in z
1.125 * [taylor]: Taking taylor expansion of (* z y) in z
1.125 * [taylor]: Taking taylor expansion of z in z
1.125 * [taylor]: Taking taylor expansion of y in z
1.126 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 y))) in y
1.126 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 y)) in y
1.126 * [taylor]: Taking taylor expansion of 4.0 in y
1.126 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.126 * [taylor]: Taking taylor expansion of y in y
1.127 * [taylor]: Taking taylor expansion of 0 in y
1.127 * [taylor]: Taking taylor expansion of 0 in y
1.130 * [taylor]: Taking taylor expansion of 0 in z
1.131 * [taylor]: Taking taylor expansion of 0 in y
1.131 * [taylor]: Taking taylor expansion of 0 in y
1.131 * [taylor]: Taking taylor expansion of 0 in y
1.135 * [taylor]: Taking taylor expansion of 0 in z
1.135 * [taylor]: Taking taylor expansion of 0 in y
1.137 * [taylor]: Taking taylor expansion of 0 in y
1.137 * [taylor]: Taking taylor expansion of 0 in y
1.137 * [taylor]: Taking taylor expansion of 0 in y
1.138 * [approximate]: Taking taylor expansion of (fma (/ -1 x) (/ -1 x) (- (* 4.0 (/ 1 (* z y))))) in (x z y) around 0
1.138 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (/ -1 x) (- (* 4.0 (/ 1 (* z y))))) in y
1.138 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (/ -1 x)) (- (* 4.0 (/ 1 (* z y)))))
1.138 * [taylor]: Taking taylor expansion of (* (/ -1 x) (/ -1 x)) in y
1.138 * [taylor]: Taking taylor expansion of (/ -1 x) in y
1.138 * [taylor]: Taking taylor expansion of -1 in y
1.138 * [taylor]: Taking taylor expansion of x in y
1.138 * [taylor]: Taking taylor expansion of (/ -1 x) in y
1.138 * [taylor]: Taking taylor expansion of -1 in y
1.138 * [taylor]: Taking taylor expansion of x in y
1.138 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in y
1.138 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
1.138 * [taylor]: Taking taylor expansion of 4.0 in y
1.138 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
1.138 * [taylor]: Taking taylor expansion of (* z y) in y
1.138 * [taylor]: Taking taylor expansion of z in y
1.138 * [taylor]: Taking taylor expansion of y in y
1.138 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (/ -1 x) (- (* 4.0 (/ 1 (* z y))))) in z
1.139 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (/ -1 x)) (- (* 4.0 (/ 1 (* z y)))))
1.139 * [taylor]: Taking taylor expansion of (* (/ -1 x) (/ -1 x)) in z
1.139 * [taylor]: Taking taylor expansion of (/ -1 x) in z
1.139 * [taylor]: Taking taylor expansion of -1 in z
1.139 * [taylor]: Taking taylor expansion of x in z
1.139 * [taylor]: Taking taylor expansion of (/ -1 x) in z
1.139 * [taylor]: Taking taylor expansion of -1 in z
1.139 * [taylor]: Taking taylor expansion of x in z
1.139 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in z
1.139 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in z
1.139 * [taylor]: Taking taylor expansion of 4.0 in z
1.139 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in z
1.139 * [taylor]: Taking taylor expansion of (* z y) in z
1.139 * [taylor]: Taking taylor expansion of z in z
1.139 * [taylor]: Taking taylor expansion of y in z
1.139 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (/ -1 x) (- (* 4.0 (/ 1 (* z y))))) in x
1.139 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (/ -1 x)) (- (* 4.0 (/ 1 (* z y)))))
1.139 * [taylor]: Taking taylor expansion of (* (/ -1 x) (/ -1 x)) in x
1.139 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.139 * [taylor]: Taking taylor expansion of -1 in x
1.139 * [taylor]: Taking taylor expansion of x in x
1.140 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.140 * [taylor]: Taking taylor expansion of -1 in x
1.140 * [taylor]: Taking taylor expansion of x in x
1.140 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in x
1.140 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
1.140 * [taylor]: Taking taylor expansion of 4.0 in x
1.140 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
1.140 * [taylor]: Taking taylor expansion of (* z y) in x
1.140 * [taylor]: Taking taylor expansion of z in x
1.140 * [taylor]: Taking taylor expansion of y in x
1.140 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (/ -1 x) (- (* 4.0 (/ 1 (* z y))))) in x
1.140 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (/ -1 x)) (- (* 4.0 (/ 1 (* z y)))))
1.140 * [taylor]: Taking taylor expansion of (* (/ -1 x) (/ -1 x)) in x
1.140 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.140 * [taylor]: Taking taylor expansion of -1 in x
1.140 * [taylor]: Taking taylor expansion of x in x
1.141 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.141 * [taylor]: Taking taylor expansion of -1 in x
1.141 * [taylor]: Taking taylor expansion of x in x
1.141 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in x
1.141 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
1.141 * [taylor]: Taking taylor expansion of 4.0 in x
1.141 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
1.141 * [taylor]: Taking taylor expansion of (* z y) in x
1.141 * [taylor]: Taking taylor expansion of z in x
1.141 * [taylor]: Taking taylor expansion of y in x
1.142 * [taylor]: Taking taylor expansion of 1 in z
1.143 * [taylor]: Taking taylor expansion of 0 in z
1.143 * [taylor]: Taking taylor expansion of 1 in y
1.145 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in z
1.145 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in z
1.145 * [taylor]: Taking taylor expansion of 4.0 in z
1.145 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in z
1.145 * [taylor]: Taking taylor expansion of (* z y) in z
1.145 * [taylor]: Taking taylor expansion of z in z
1.145 * [taylor]: Taking taylor expansion of y in z
1.146 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 y))) in y
1.146 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 y)) in y
1.146 * [taylor]: Taking taylor expansion of 4.0 in y
1.146 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.146 * [taylor]: Taking taylor expansion of y in y
1.147 * [taylor]: Taking taylor expansion of 0 in y
1.147 * [taylor]: Taking taylor expansion of 0 in y
1.150 * [taylor]: Taking taylor expansion of 0 in z
1.151 * [taylor]: Taking taylor expansion of 0 in y
1.151 * [taylor]: Taking taylor expansion of 0 in y
1.151 * [taylor]: Taking taylor expansion of 0 in y
1.155 * [taylor]: Taking taylor expansion of 0 in z
1.155 * [taylor]: Taking taylor expansion of 0 in y
1.157 * [taylor]: Taking taylor expansion of 0 in y
1.157 * [taylor]: Taking taylor expansion of 0 in y
1.157 * [taylor]: Taking taylor expansion of 0 in y
1.157 * * * [progress]: simplifying candidates
1.158 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (fma x x (- (* z (* y 4.0)))))
  (log1p (fma x x (- (* z (* y 4.0)))))
  (* x x)
  (log (fma x x (- (* z (* y 4.0)))))
  (exp (fma x x (- (* z (* y 4.0)))))
  (* (cbrt (fma x x (- (* z (* y 4.0))))) (cbrt (fma x x (- (* z (* y 4.0))))))
  (cbrt (fma x x (- (* z (* y 4.0)))))
  (* (* (fma x x (- (* z (* y 4.0)))) (fma x x (- (* z (* y 4.0))))) (fma x x (- (* z (* y 4.0)))))
  (sqrt (fma x x (- (* z (* y 4.0)))))
  (sqrt (fma x x (- (* z (* y 4.0)))))
  (- (pow x 2) (* 4.0 (* z y)))
  (- (pow x 2) (* 4.0 (* z y)))
  (- (pow x 2) (* 4.0 (* z y)))
1.159 * * [simplify]: iteration  0 :  23  enodes  (cost  150 )
1.162 * * [simplify]: iteration  1 :  41  enodes  (cost  150 )
1.169 * * [simplify]: iteration  2 :  96  enodes  (cost  132 )
1.195 * * [simplify]: iteration  3 :  338  enodes  (cost  132 )
1.311 * * [simplify]: iteration  4 :  1444  enodes  (cost  132 )
1.914 * * [simplify]: iteration  done :  5001  enodes  (cost  132 )
1.914 * [simplify]: Simplified to:
   (expm1 (fma x x (- (* z (* y 4.0)))))
  (log1p (fma x x (- (* z (* y 4.0)))))
  (* x x)
  (log (fma x x (- (* z (* y 4.0)))))
  (exp (fma x x (- (* z (* y 4.0)))))
  (* (cbrt (fma x x (- (* z (* y 4.0))))) (cbrt (fma x x (- (* z (* y 4.0))))))
  (cbrt (fma x x (- (* z (* y 4.0)))))
  (pow (fma x x (- (* z (* y 4.0)))) 3)
  (sqrt (fma x x (- (* z (* y 4.0)))))
  (sqrt (fma x x (- (* z (* y 4.0)))))
  (fma x x (- (* z (* y 4.0))))
  (fma x x (- (* z (* y 4.0))))
  (fma x x (- (* z (* y 4.0))))
1.914 * * * [progress]: adding candidates to table
1.940 * [progress]: [Phase 3 of 3] Extracting.
1.942 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (fma x x (- (* z (* y 4.0))))
1.942 * * [simplify]: iteration  0 :  8  enodes  (cost  9 )
1.943 * * [simplify]: iteration  1 :  14  enodes  (cost  9 )
1.944 * * [simplify]: iteration  2 :  22  enodes  (cost  9 )
1.944 * * [simplify]: iteration  done :  22  enodes  (cost  9 )
1.944 * [simplify]: Simplified to:
   (fma x x (- (* z (* y 4.0))))
2.528 * [regime-testing]: End program error score: 0.012300577250003598