1.294 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.020 * * * [progress]: [2/2] Setting up program.
0.022 * [progress]: [Phase 2 of 3] Improving.
0.022 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (* x x) (* (* y 4.0) z))
0.023 * * [simplify]: iteration  0 :  8  enodes  (cost  9 )
0.024 * * [simplify]: iteration  1 :  15  enodes  (cost  9 )
0.026 * * [simplify]: iteration  2 :  32  enodes  (cost  9 )
0.031 * * [simplify]: iteration  3 :  63  enodes  (cost  9 )
0.043 * * [simplify]: iteration  4 :  71  enodes  (cost  9 )
0.051 * * [simplify]: iteration  done :  71  enodes  (cost  9 )
0.051 * [simplify]: Simplified to:
   (- (* x x) (* (* y 4.0) z))
0.052 * * [progress]: iteration 1 / 4
0.052 * * * [progress]: picking best candidate
0.053 * * * * [pick]: Picked  #<alt (λ (x y z) (- (* x x) (* (* y 4.0) z)))>
0.053 * * * [progress]: localizing error
0.060 * * * [progress]: generating rewritten candidates
0.060 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.063 * * * [progress]: generating series expansions
0.063 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.064 * [approximate]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in (x y z) around 0
0.064 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in z
0.064 * [taylor]: Taking taylor expansion of (pow x 2) in z
0.064 * [taylor]: Taking taylor expansion of x in z
0.064 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in z
0.064 * [taylor]: Taking taylor expansion of 4.0 in z
0.064 * [taylor]: Taking taylor expansion of (* z y) in z
0.064 * [taylor]: Taking taylor expansion of z in z
0.064 * [taylor]: Taking taylor expansion of y in z
0.064 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in y
0.064 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.064 * [taylor]: Taking taylor expansion of x in y
0.064 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in y
0.064 * [taylor]: Taking taylor expansion of 4.0 in y
0.064 * [taylor]: Taking taylor expansion of (* z y) in y
0.064 * [taylor]: Taking taylor expansion of z in y
0.064 * [taylor]: Taking taylor expansion of y in y
0.064 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in x
0.064 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.064 * [taylor]: Taking taylor expansion of x in x
0.064 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in x
0.064 * [taylor]: Taking taylor expansion of 4.0 in x
0.064 * [taylor]: Taking taylor expansion of (* z y) in x
0.064 * [taylor]: Taking taylor expansion of z in x
0.064 * [taylor]: Taking taylor expansion of y in x
0.064 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in x
0.064 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.064 * [taylor]: Taking taylor expansion of x in x
0.064 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in x
0.064 * [taylor]: Taking taylor expansion of 4.0 in x
0.064 * [taylor]: Taking taylor expansion of (* z y) in x
0.064 * [taylor]: Taking taylor expansion of z in x
0.064 * [taylor]: Taking taylor expansion of y in x
0.064 * [taylor]: Taking taylor expansion of (- (* 4.0 (* z y))) in y
0.065 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in y
0.065 * [taylor]: Taking taylor expansion of 4.0 in y
0.065 * [taylor]: Taking taylor expansion of (* z y) in y
0.065 * [taylor]: Taking taylor expansion of z in y
0.065 * [taylor]: Taking taylor expansion of y in y
0.065 * [taylor]: Taking taylor expansion of 0 in z
0.066 * [taylor]: Taking taylor expansion of 0 in y
0.066 * [taylor]: Taking taylor expansion of 0 in z
0.067 * [taylor]: Taking taylor expansion of (- (* 4.0 z)) in z
0.067 * [taylor]: Taking taylor expansion of (* 4.0 z) in z
0.067 * [taylor]: Taking taylor expansion of 4.0 in z
0.067 * [taylor]: Taking taylor expansion of z in z
0.069 * [taylor]: Taking taylor expansion of 1 in y
0.069 * [taylor]: Taking taylor expansion of 1 in z
0.069 * [taylor]: Taking taylor expansion of 0 in z
0.070 * [taylor]: Taking taylor expansion of 0 in z
0.074 * [taylor]: Taking taylor expansion of 0 in y
0.074 * [taylor]: Taking taylor expansion of 0 in z
0.074 * [taylor]: Taking taylor expansion of 0 in z
0.074 * [taylor]: Taking taylor expansion of 0 in z
0.075 * [taylor]: Taking taylor expansion of 0 in z
0.076 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in (x y z) around 0
0.076 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in z
0.076 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in z
0.076 * [taylor]: Taking taylor expansion of (pow x 2) in z
0.076 * [taylor]: Taking taylor expansion of x in z
0.076 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in z
0.076 * [taylor]: Taking taylor expansion of 4.0 in z
0.076 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in z
0.076 * [taylor]: Taking taylor expansion of (* z y) in z
0.076 * [taylor]: Taking taylor expansion of z in z
0.076 * [taylor]: Taking taylor expansion of y in z
0.077 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in y
0.077 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.077 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.077 * [taylor]: Taking taylor expansion of x in y
0.077 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.077 * [taylor]: Taking taylor expansion of 4.0 in y
0.077 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.077 * [taylor]: Taking taylor expansion of (* z y) in y
0.077 * [taylor]: Taking taylor expansion of z in y
0.077 * [taylor]: Taking taylor expansion of y in y
0.077 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in x
0.077 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.077 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.077 * [taylor]: Taking taylor expansion of x in x
0.078 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.078 * [taylor]: Taking taylor expansion of 4.0 in x
0.078 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.078 * [taylor]: Taking taylor expansion of (* z y) in x
0.078 * [taylor]: Taking taylor expansion of z in x
0.078 * [taylor]: Taking taylor expansion of y in x
0.078 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in x
0.078 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.078 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.078 * [taylor]: Taking taylor expansion of x in x
0.079 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.079 * [taylor]: Taking taylor expansion of 4.0 in x
0.079 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.079 * [taylor]: Taking taylor expansion of (* z y) in x
0.079 * [taylor]: Taking taylor expansion of z in x
0.079 * [taylor]: Taking taylor expansion of y in x
0.079 * [taylor]: Taking taylor expansion of 1 in y
0.080 * [taylor]: Taking taylor expansion of 0 in y
0.080 * [taylor]: Taking taylor expansion of 1 in z
0.081 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in y
0.081 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.081 * [taylor]: Taking taylor expansion of 4.0 in y
0.081 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.082 * [taylor]: Taking taylor expansion of (* z y) in y
0.082 * [taylor]: Taking taylor expansion of z in y
0.082 * [taylor]: Taking taylor expansion of y in y
0.082 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 z))) in z
0.082 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in z
0.082 * [taylor]: Taking taylor expansion of 4.0 in z
0.082 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.082 * [taylor]: Taking taylor expansion of z in z
0.083 * [taylor]: Taking taylor expansion of 0 in z
0.083 * [taylor]: Taking taylor expansion of 0 in z
0.085 * [taylor]: Taking taylor expansion of 0 in y
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
0.090 * [taylor]: Taking taylor expansion of 0 in y
0.090 * [taylor]: Taking taylor expansion of 0 in z
0.091 * [taylor]: Taking taylor expansion of 0 in z
0.091 * [taylor]: Taking taylor expansion of 0 in z
0.091 * [taylor]: Taking taylor expansion of 0 in z
0.092 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in (x y z) around 0
0.092 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in z
0.092 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in z
0.092 * [taylor]: Taking taylor expansion of (pow x 2) in z
0.092 * [taylor]: Taking taylor expansion of x in z
0.092 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in z
0.092 * [taylor]: Taking taylor expansion of 4.0 in z
0.092 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in z
0.092 * [taylor]: Taking taylor expansion of (* z y) in z
0.092 * [taylor]: Taking taylor expansion of z in z
0.092 * [taylor]: Taking taylor expansion of y in z
0.093 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in y
0.093 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.093 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.093 * [taylor]: Taking taylor expansion of x in y
0.093 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.093 * [taylor]: Taking taylor expansion of 4.0 in y
0.093 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.093 * [taylor]: Taking taylor expansion of (* z y) in y
0.093 * [taylor]: Taking taylor expansion of z in y
0.093 * [taylor]: Taking taylor expansion of y in y
0.093 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in x
0.093 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.093 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.093 * [taylor]: Taking taylor expansion of x in x
0.094 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.094 * [taylor]: Taking taylor expansion of 4.0 in x
0.094 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.094 * [taylor]: Taking taylor expansion of (* z y) in x
0.094 * [taylor]: Taking taylor expansion of z in x
0.094 * [taylor]: Taking taylor expansion of y in x
0.094 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in x
0.094 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.094 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.094 * [taylor]: Taking taylor expansion of x in x
0.095 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.095 * [taylor]: Taking taylor expansion of 4.0 in x
0.095 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.095 * [taylor]: Taking taylor expansion of (* z y) in x
0.095 * [taylor]: Taking taylor expansion of z in x
0.095 * [taylor]: Taking taylor expansion of y in x
0.095 * [taylor]: Taking taylor expansion of 1 in y
0.096 * [taylor]: Taking taylor expansion of 0 in y
0.096 * [taylor]: Taking taylor expansion of 1 in z
0.097 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in y
0.097 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.097 * [taylor]: Taking taylor expansion of 4.0 in y
0.097 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.098 * [taylor]: Taking taylor expansion of (* z y) in y
0.098 * [taylor]: Taking taylor expansion of z in y
0.098 * [taylor]: Taking taylor expansion of y in y
0.098 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 z))) in z
0.098 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in z
0.098 * [taylor]: Taking taylor expansion of 4.0 in z
0.098 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.098 * [taylor]: Taking taylor expansion of z in z
0.099 * [taylor]: Taking taylor expansion of 0 in z
0.099 * [taylor]: Taking taylor expansion of 0 in z
0.101 * [taylor]: Taking taylor expansion of 0 in y
0.102 * [taylor]: Taking taylor expansion of 0 in z
0.102 * [taylor]: Taking taylor expansion of 0 in z
0.102 * [taylor]: Taking taylor expansion of 0 in z
0.106 * [taylor]: Taking taylor expansion of 0 in y
0.106 * [taylor]: Taking taylor expansion of 0 in z
0.107 * [taylor]: Taking taylor expansion of 0 in z
0.107 * [taylor]: Taking taylor expansion of 0 in z
0.107 * [taylor]: Taking taylor expansion of 0 in z
0.108 * * * [progress]: simplifying candidates
0.108 * [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)))
0.113 * * [simplify]: iteration  0 :  42  enodes  (cost  266 )
0.121 * * [simplify]: iteration  1 :  112  enodes  (cost  255 )
0.150 * * [simplify]: iteration  2 :  481  enodes  (cost  225 )
0.339 * * [simplify]: iteration  3 :  2171  enodes  (cost  225 )
1.121 * * [simplify]: iteration  done :  5000  enodes  (cost  224 )
1.121 * [simplify]: Simplified to:
   (- (* x x) (* (* y 4.0) z))
  (* (- z z) (* y 4.0))
  (expm1 (- (* x x) (* (* y 4.0) z)))
  (log1p (- (* x x) (* (* y 4.0) z)))
  (- (* (* y 4.0) z))
  (exp (- (pow x 2) (* 4.0 (* z y))))
  (log (- (* x x) (* (* y 4.0) z)))
  (exp (- (pow x 2) (* 4.0 (* z y))))
  (* (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 6) (pow (* (* y 4.0) z) 3))
  (fma (* (* y 4.0) z) (fma x x (* z (* y 4.0))) (pow x 4))
  (- (* (* y 4.0) z))
  (- (pow x 4) (* (* (* y 4.0) z) (* (* y 4.0) z)))
  (fma x x (* z (* y 4.0)))
  (- (* (* y 4.0) z))
  (- (* x x) (* (* y 4.0) z))
  (- (* x x) (* (* y 4.0) z))
  (- (* x x) (* (* y 4.0) z))
1.121 * * * [progress]: adding candidates to table
1.162 * * [progress]: iteration 2 / 4
1.162 * * * [progress]: picking best candidate
1.163 * * * * [pick]: Picked  #<alt (λ (x y z) (fma x x (- (* (* y 4.0) z))))>
1.164 * * * [progress]: localizing error
1.171 * * * [progress]: generating rewritten candidates
1.171 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
1.171 * * * [progress]: generating series expansions
1.171 * * * * [progress]: [ 1 / 1 ] generating series at (2)
1.171 * [approximate]: Taking taylor expansion of (fma x x (- (* 4.0 (* z y)))) in (x y z) around 0
1.171 * [taylor]: Taking taylor expansion of (fma x x (- (* 4.0 (* z y)))) in z
1.172 * [taylor]: Rewrote expression to (+ (* x x) (- (* 4.0 (* z y))))
1.172 * [taylor]: Taking taylor expansion of (* x x) in z
1.172 * [taylor]: Taking taylor expansion of x in z
1.172 * [taylor]: Taking taylor expansion of x in z
1.172 * [taylor]: Taking taylor expansion of (- (* 4.0 (* z y))) in z
1.172 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in z
1.172 * [taylor]: Taking taylor expansion of 4.0 in z
1.172 * [taylor]: Taking taylor expansion of (* z y) in z
1.172 * [taylor]: Taking taylor expansion of z in z
1.172 * [taylor]: Taking taylor expansion of y in z
1.172 * [taylor]: Taking taylor expansion of (fma x x (- (* 4.0 (* z y)))) in y
1.172 * [taylor]: Rewrote expression to (+ (* x x) (- (* 4.0 (* z y))))
1.172 * [taylor]: Taking taylor expansion of (* x x) in y
1.172 * [taylor]: Taking taylor expansion of x in y
1.172 * [taylor]: Taking taylor expansion of x in y
1.172 * [taylor]: Taking taylor expansion of (- (* 4.0 (* z y))) in y
1.172 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in y
1.172 * [taylor]: Taking taylor expansion of 4.0 in y
1.172 * [taylor]: Taking taylor expansion of (* z y) in y
1.172 * [taylor]: Taking taylor expansion of z in y
1.172 * [taylor]: Taking taylor expansion of y in y
1.172 * [taylor]: Taking taylor expansion of (fma x x (- (* 4.0 (* z y)))) in x
1.172 * [taylor]: Rewrote expression to (+ (* x x) (- (* 4.0 (* z y))))
1.172 * [taylor]: Taking taylor expansion of (* x x) in x
1.172 * [taylor]: Taking taylor expansion of x in x
1.172 * [taylor]: Taking taylor expansion of x in x
1.172 * [taylor]: Taking taylor expansion of (- (* 4.0 (* z y))) in x
1.172 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in x
1.172 * [taylor]: Taking taylor expansion of 4.0 in x
1.172 * [taylor]: Taking taylor expansion of (* z y) in x
1.172 * [taylor]: Taking taylor expansion of z in x
1.172 * [taylor]: Taking taylor expansion of y in x
1.172 * [taylor]: Taking taylor expansion of (fma x x (- (* 4.0 (* z y)))) in x
1.172 * [taylor]: Rewrote expression to (+ (* x x) (- (* 4.0 (* z y))))
1.172 * [taylor]: Taking taylor expansion of (* x x) in x
1.172 * [taylor]: Taking taylor expansion of x in x
1.172 * [taylor]: Taking taylor expansion of x in x
1.172 * [taylor]: Taking taylor expansion of (- (* 4.0 (* z y))) in x
1.173 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in x
1.173 * [taylor]: Taking taylor expansion of 4.0 in x
1.173 * [taylor]: Taking taylor expansion of (* z y) in x
1.173 * [taylor]: Taking taylor expansion of z in x
1.173 * [taylor]: Taking taylor expansion of y in x
1.173 * [taylor]: Taking taylor expansion of (- (* 4.0 (* z y))) in y
1.173 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in y
1.173 * [taylor]: Taking taylor expansion of 4.0 in y
1.173 * [taylor]: Taking taylor expansion of (* z y) in y
1.173 * [taylor]: Taking taylor expansion of z in y
1.173 * [taylor]: Taking taylor expansion of y in y
1.174 * [taylor]: Taking taylor expansion of 0 in z
1.175 * [taylor]: Taking taylor expansion of 0 in y
1.175 * [taylor]: Taking taylor expansion of 0 in z
1.176 * [taylor]: Taking taylor expansion of (- (* 4.0 z)) in z
1.176 * [taylor]: Taking taylor expansion of (* 4.0 z) in z
1.176 * [taylor]: Taking taylor expansion of 4.0 in z
1.176 * [taylor]: Taking taylor expansion of z in z
1.178 * [taylor]: Taking taylor expansion of 1 in y
1.178 * [taylor]: Taking taylor expansion of 1 in z
1.178 * [taylor]: Taking taylor expansion of 0 in z
1.180 * [taylor]: Taking taylor expansion of 0 in z
1.184 * [taylor]: Taking taylor expansion of 0 in y
1.184 * [taylor]: Taking taylor expansion of 0 in z
1.184 * [taylor]: Taking taylor expansion of 0 in z
1.184 * [taylor]: Taking taylor expansion of 0 in z
1.186 * [taylor]: Taking taylor expansion of 0 in z
1.186 * [approximate]: Taking taylor expansion of (fma (/ 1 x) (/ 1 x) (- (* 4.0 (/ 1 (* z y))))) in (x y z) around 0
1.186 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (/ 1 x) (- (* 4.0 (/ 1 (* z y))))) in z
1.186 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (/ 1 x)) (- (* 4.0 (/ 1 (* z y)))))
1.186 * [taylor]: Taking taylor expansion of (* (/ 1 x) (/ 1 x)) in z
1.186 * [taylor]: Taking taylor expansion of (/ 1 x) in z
1.186 * [taylor]: Taking taylor expansion of x in z
1.186 * [taylor]: Taking taylor expansion of (/ 1 x) in z
1.186 * [taylor]: Taking taylor expansion of x in z
1.186 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in z
1.187 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in z
1.187 * [taylor]: Taking taylor expansion of 4.0 in z
1.187 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in z
1.187 * [taylor]: Taking taylor expansion of (* z y) in z
1.187 * [taylor]: Taking taylor expansion of z in z
1.187 * [taylor]: Taking taylor expansion of y in z
1.187 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (/ 1 x) (- (* 4.0 (/ 1 (* z y))))) in y
1.187 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (/ 1 x)) (- (* 4.0 (/ 1 (* z y)))))
1.187 * [taylor]: Taking taylor expansion of (* (/ 1 x) (/ 1 x)) in y
1.187 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.187 * [taylor]: Taking taylor expansion of x in y
1.187 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.187 * [taylor]: Taking taylor expansion of x in y
1.187 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in y
1.187 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
1.187 * [taylor]: Taking taylor expansion of 4.0 in y
1.187 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
1.187 * [taylor]: Taking taylor expansion of (* z y) in y
1.187 * [taylor]: Taking taylor expansion of z in y
1.187 * [taylor]: Taking taylor expansion of y in y
1.188 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (/ 1 x) (- (* 4.0 (/ 1 (* z y))))) in x
1.188 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (/ 1 x)) (- (* 4.0 (/ 1 (* z y)))))
1.188 * [taylor]: Taking taylor expansion of (* (/ 1 x) (/ 1 x)) in x
1.188 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.188 * [taylor]: Taking taylor expansion of x in x
1.188 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.188 * [taylor]: Taking taylor expansion of x in x
1.188 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in x
1.188 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
1.188 * [taylor]: Taking taylor expansion of 4.0 in x
1.188 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
1.188 * [taylor]: Taking taylor expansion of (* z y) in x
1.189 * [taylor]: Taking taylor expansion of z in x
1.189 * [taylor]: Taking taylor expansion of y in x
1.189 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (/ 1 x) (- (* 4.0 (/ 1 (* z y))))) in x
1.189 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (/ 1 x)) (- (* 4.0 (/ 1 (* z y)))))
1.189 * [taylor]: Taking taylor expansion of (* (/ 1 x) (/ 1 x)) in x
1.189 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.189 * [taylor]: Taking taylor expansion of x in x
1.189 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.189 * [taylor]: Taking taylor expansion of x in x
1.189 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in x
1.189 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
1.189 * [taylor]: Taking taylor expansion of 4.0 in x
1.189 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
1.190 * [taylor]: Taking taylor expansion of (* z y) in x
1.190 * [taylor]: Taking taylor expansion of z in x
1.190 * [taylor]: Taking taylor expansion of y in x
1.190 * [taylor]: Taking taylor expansion of 1 in y
1.192 * [taylor]: Taking taylor expansion of 0 in y
1.192 * [taylor]: Taking taylor expansion of 1 in z
1.194 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in y
1.194 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
1.194 * [taylor]: Taking taylor expansion of 4.0 in y
1.194 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
1.194 * [taylor]: Taking taylor expansion of (* z y) in y
1.194 * [taylor]: Taking taylor expansion of z in y
1.194 * [taylor]: Taking taylor expansion of y in y
1.194 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 z))) in z
1.194 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in z
1.194 * [taylor]: Taking taylor expansion of 4.0 in z
1.194 * [taylor]: Taking taylor expansion of (/ 1 z) in z
1.194 * [taylor]: Taking taylor expansion of z in z
1.195 * [taylor]: Taking taylor expansion of 0 in z
1.195 * [taylor]: Taking taylor expansion of 0 in z
1.198 * [taylor]: Taking taylor expansion of 0 in y
1.199 * [taylor]: Taking taylor expansion of 0 in z
1.199 * [taylor]: Taking taylor expansion of 0 in z
1.199 * [taylor]: Taking taylor expansion of 0 in z
1.203 * [taylor]: Taking taylor expansion of 0 in y
1.203 * [taylor]: Taking taylor expansion of 0 in z
1.204 * [taylor]: Taking taylor expansion of 0 in z
1.205 * [taylor]: Taking taylor expansion of 0 in z
1.205 * [taylor]: Taking taylor expansion of 0 in z
1.205 * [approximate]: Taking taylor expansion of (fma (/ -1 x) (/ -1 x) (- (* 4.0 (/ 1 (* z y))))) in (x y z) around 0
1.205 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (/ -1 x) (- (* 4.0 (/ 1 (* z y))))) in z
1.206 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (/ -1 x)) (- (* 4.0 (/ 1 (* z y)))))
1.206 * [taylor]: Taking taylor expansion of (* (/ -1 x) (/ -1 x)) in z
1.206 * [taylor]: Taking taylor expansion of (/ -1 x) in z
1.206 * [taylor]: Taking taylor expansion of -1 in z
1.206 * [taylor]: Taking taylor expansion of x in z
1.206 * [taylor]: Taking taylor expansion of (/ -1 x) in z
1.206 * [taylor]: Taking taylor expansion of -1 in z
1.206 * [taylor]: Taking taylor expansion of x in z
1.206 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in z
1.206 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in z
1.206 * [taylor]: Taking taylor expansion of 4.0 in z
1.206 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in z
1.206 * [taylor]: Taking taylor expansion of (* z y) in z
1.206 * [taylor]: Taking taylor expansion of z in z
1.206 * [taylor]: Taking taylor expansion of y in z
1.206 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (/ -1 x) (- (* 4.0 (/ 1 (* z y))))) in y
1.206 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (/ -1 x)) (- (* 4.0 (/ 1 (* z y)))))
1.206 * [taylor]: Taking taylor expansion of (* (/ -1 x) (/ -1 x)) in y
1.206 * [taylor]: Taking taylor expansion of (/ -1 x) in y
1.206 * [taylor]: Taking taylor expansion of -1 in y
1.206 * [taylor]: Taking taylor expansion of x in y
1.206 * [taylor]: Taking taylor expansion of (/ -1 x) in y
1.207 * [taylor]: Taking taylor expansion of -1 in y
1.207 * [taylor]: Taking taylor expansion of x in y
1.207 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in y
1.207 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
1.207 * [taylor]: Taking taylor expansion of 4.0 in y
1.207 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
1.207 * [taylor]: Taking taylor expansion of (* z y) in y
1.207 * [taylor]: Taking taylor expansion of z in y
1.207 * [taylor]: Taking taylor expansion of y in y
1.207 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (/ -1 x) (- (* 4.0 (/ 1 (* z y))))) in x
1.207 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (/ -1 x)) (- (* 4.0 (/ 1 (* z y)))))
1.207 * [taylor]: Taking taylor expansion of (* (/ -1 x) (/ -1 x)) in x
1.207 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.207 * [taylor]: Taking taylor expansion of -1 in x
1.207 * [taylor]: Taking taylor expansion of x in x
1.208 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.208 * [taylor]: Taking taylor expansion of -1 in x
1.208 * [taylor]: Taking taylor expansion of x in x
1.208 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in x
1.208 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
1.208 * [taylor]: Taking taylor expansion of 4.0 in x
1.208 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
1.208 * [taylor]: Taking taylor expansion of (* z y) in x
1.208 * [taylor]: Taking taylor expansion of z in x
1.208 * [taylor]: Taking taylor expansion of y in x
1.208 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (/ -1 x) (- (* 4.0 (/ 1 (* z y))))) in x
1.208 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (/ -1 x)) (- (* 4.0 (/ 1 (* z y)))))
1.208 * [taylor]: Taking taylor expansion of (* (/ -1 x) (/ -1 x)) in x
1.208 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.208 * [taylor]: Taking taylor expansion of -1 in x
1.208 * [taylor]: Taking taylor expansion of x in x
1.209 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.209 * [taylor]: Taking taylor expansion of -1 in x
1.209 * [taylor]: Taking taylor expansion of x in x
1.209 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in x
1.209 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
1.209 * [taylor]: Taking taylor expansion of 4.0 in x
1.209 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
1.209 * [taylor]: Taking taylor expansion of (* z y) in x
1.209 * [taylor]: Taking taylor expansion of z in x
1.209 * [taylor]: Taking taylor expansion of y in x
1.210 * [taylor]: Taking taylor expansion of 1 in y
1.211 * [taylor]: Taking taylor expansion of 0 in y
1.211 * [taylor]: Taking taylor expansion of 1 in z
1.213 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in y
1.213 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
1.213 * [taylor]: Taking taylor expansion of 4.0 in y
1.213 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
1.213 * [taylor]: Taking taylor expansion of (* z y) in y
1.213 * [taylor]: Taking taylor expansion of z in y
1.213 * [taylor]: Taking taylor expansion of y in y
1.213 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 z))) in z
1.214 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in z
1.214 * [taylor]: Taking taylor expansion of 4.0 in z
1.214 * [taylor]: Taking taylor expansion of (/ 1 z) in z
1.214 * [taylor]: Taking taylor expansion of z in z
1.215 * [taylor]: Taking taylor expansion of 0 in z
1.215 * [taylor]: Taking taylor expansion of 0 in z
1.217 * [taylor]: Taking taylor expansion of 0 in y
1.218 * [taylor]: Taking taylor expansion of 0 in z
1.218 * [taylor]: Taking taylor expansion of 0 in z
1.218 * [taylor]: Taking taylor expansion of 0 in z
1.222 * [taylor]: Taking taylor expansion of 0 in y
1.223 * [taylor]: Taking taylor expansion of 0 in z
1.224 * [taylor]: Taking taylor expansion of 0 in z
1.224 * [taylor]: Taking taylor expansion of 0 in z
1.224 * [taylor]: Taking taylor expansion of 0 in z
1.225 * * * [progress]: simplifying candidates
1.227 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (fma x x (- (* (* y 4.0) z))))
  (log1p (fma x x (- (* (* y 4.0) z))))
  (* x x)
  (log (fma x x (- (* (* y 4.0) z))))
  (exp (fma x x (- (* (* y 4.0) z))))
  (* (cbrt (fma x x (- (* (* y 4.0) z)))) (cbrt (fma x x (- (* (* y 4.0) z)))))
  (cbrt (fma x x (- (* (* y 4.0) z))))
  (* (* (fma x x (- (* (* y 4.0) z))) (fma x x (- (* (* y 4.0) z)))) (fma x x (- (* (* y 4.0) z))))
  (sqrt (fma x x (- (* (* y 4.0) z))))
  (sqrt (fma x x (- (* (* 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)))
1.229 * * [simplify]: iteration  0 :  23  enodes  (cost  150 )
1.233 * * [simplify]: iteration  1 :  42  enodes  (cost  150 )
1.241 * * [simplify]: iteration  2 :  91  enodes  (cost  132 )
1.264 * * [simplify]: iteration  3 :  337  enodes  (cost  132 )
1.386 * * [simplify]: iteration  4 :  1440  enodes  (cost  132 )
2.235 * * [simplify]: iteration  done :  5000  enodes  (cost  132 )
2.235 * [simplify]: Simplified to:
   (expm1 (fma x x (- (* (* y 4.0) z))))
  (log1p (fma x x (- (* (* y 4.0) z))))
  (* x x)
  (log (fma x x (- (* (* y 4.0) z))))
  (exp (fma x x (- (* (* y 4.0) z))))
  (* (cbrt (fma x x (- (* (* y 4.0) z)))) (cbrt (fma x x (- (* (* y 4.0) z)))))
  (cbrt (fma x x (- (* (* y 4.0) z))))
  (pow (- (pow x 2) (* 4.0 (* z y))) 3)
  (sqrt (fma x x (- (* (* y 4.0) z))))
  (sqrt (fma x x (- (* (* 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)))
2.235 * * * [progress]: adding candidates to table
2.265 * [progress]: [Phase 3 of 3] Extracting.
2.266 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (fma x x (- (* (* y 4.0) z)))
2.267 * * [simplify]: iteration  0 :  8  enodes  (cost  9 )
2.267 * * [simplify]: iteration  1 :  14  enodes  (cost  9 )
2.268 * * [simplify]: iteration  2 :  22  enodes  (cost  9 )
2.268 * * [simplify]: iteration  done :  22  enodes  (cost  9 )
2.269 * [simplify]: Simplified to:
   (fma x x (- (* (* y 4.0) z)))
2.902 * [regime-testing]: End program error score: 0.012300577250003598