13.936 * [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 )
0.041 * * [simplify]: iteration  4 :  71  enodes  (cost  9 )
0.054 * * [simplify]: iteration  done :  71  enodes  (cost  9 )
0.055 * [simplify]: Simplified to:
   (- (* x x) (* (* y 4.0) z))
0.055 * * [progress]: iteration 1 / 4
0.055 * * * [progress]: picking best candidate
0.056 * * * * [pick]: Picked  #<alt (λ (x y z) (- (* x x) (* (* y 4.0) z)))>
0.056 * * * [progress]: localizing error
0.062 * * * [progress]: generating rewritten candidates
0.063 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.066 * * * [progress]: generating series expansions
0.066 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.067 * [approximate]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in (x y z) around 0
0.067 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in z
0.067 * [taylor]: Taking taylor expansion of (pow x 2) in z
0.067 * [taylor]: Taking taylor expansion of x in z
0.067 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in z
0.067 * [taylor]: Taking taylor expansion of 4.0 in z
0.067 * [taylor]: Taking taylor expansion of (* z y) in z
0.067 * [taylor]: Taking taylor expansion of z in z
0.067 * [taylor]: Taking taylor expansion of y in z
0.067 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in y
0.067 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.067 * [taylor]: Taking taylor expansion of x in y
0.067 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in y
0.067 * [taylor]: Taking taylor expansion of 4.0 in y
0.067 * [taylor]: Taking taylor expansion of (* z y) in y
0.067 * [taylor]: Taking taylor expansion of z in y
0.067 * [taylor]: Taking taylor expansion of y in y
0.067 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in x
0.067 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.067 * [taylor]: Taking taylor expansion of x in x
0.067 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in x
0.067 * [taylor]: Taking taylor expansion of 4.0 in x
0.067 * [taylor]: Taking taylor expansion of (* z y) in x
0.067 * [taylor]: Taking taylor expansion of z in x
0.067 * [taylor]: Taking taylor expansion of y in x
0.067 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in x
0.067 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.067 * [taylor]: Taking taylor expansion of x in x
0.067 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in x
0.067 * [taylor]: Taking taylor expansion of 4.0 in x
0.067 * [taylor]: Taking taylor expansion of (* z y) in x
0.067 * [taylor]: Taking taylor expansion of z in x
0.067 * [taylor]: Taking taylor expansion of y in x
0.067 * [taylor]: Taking taylor expansion of (- (* 4.0 (* z y))) in y
0.067 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in y
0.067 * [taylor]: Taking taylor expansion of 4.0 in y
0.067 * [taylor]: Taking taylor expansion of (* z y) in y
0.067 * [taylor]: Taking taylor expansion of z in y
0.067 * [taylor]: Taking taylor expansion of y in y
0.068 * [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
0.070 * [taylor]: Taking taylor expansion of (- (* 4.0 z)) in z
0.070 * [taylor]: Taking taylor expansion of (* 4.0 z) in z
0.070 * [taylor]: Taking taylor expansion of 4.0 in z
0.070 * [taylor]: Taking taylor expansion of z in z
0.072 * [taylor]: Taking taylor expansion of 1 in y
0.072 * [taylor]: Taking taylor expansion of 1 in z
0.072 * [taylor]: Taking taylor expansion of 0 in z
0.073 * [taylor]: Taking taylor expansion of 0 in z
0.077 * [taylor]: Taking taylor expansion of 0 in y
0.077 * [taylor]: Taking taylor expansion of 0 in z
0.077 * [taylor]: Taking taylor expansion of 0 in z
0.077 * [taylor]: Taking taylor expansion of 0 in z
0.078 * [taylor]: Taking taylor expansion of 0 in z
0.079 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in (x y z) around 0
0.079 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in z
0.079 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in z
0.079 * [taylor]: Taking taylor expansion of (pow x 2) in z
0.079 * [taylor]: Taking taylor expansion of x in z
0.079 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in z
0.079 * [taylor]: Taking taylor expansion of 4.0 in z
0.079 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in z
0.079 * [taylor]: Taking taylor expansion of (* z y) in z
0.079 * [taylor]: Taking taylor expansion of z in z
0.079 * [taylor]: Taking taylor expansion of y in z
0.080 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in y
0.080 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.080 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.080 * [taylor]: Taking taylor expansion of x in y
0.080 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.080 * [taylor]: Taking taylor expansion of 4.0 in y
0.080 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.080 * [taylor]: Taking taylor expansion of (* z y) in y
0.080 * [taylor]: Taking taylor expansion of z in y
0.080 * [taylor]: Taking taylor expansion of y in y
0.080 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in x
0.080 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.080 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.080 * [taylor]: Taking taylor expansion of x in x
0.081 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.081 * [taylor]: Taking taylor expansion of 4.0 in x
0.081 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.081 * [taylor]: Taking taylor expansion of (* z y) in x
0.081 * [taylor]: Taking taylor expansion of z in x
0.081 * [taylor]: Taking taylor expansion of y in x
0.081 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in x
0.081 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.081 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.081 * [taylor]: Taking taylor expansion of x in x
0.081 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.082 * [taylor]: Taking taylor expansion of 4.0 in x
0.082 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.082 * [taylor]: Taking taylor expansion of (* z y) in x
0.082 * [taylor]: Taking taylor expansion of z in x
0.082 * [taylor]: Taking taylor expansion of y in x
0.082 * [taylor]: Taking taylor expansion of 1 in y
0.083 * [taylor]: Taking taylor expansion of 0 in y
0.083 * [taylor]: Taking taylor expansion of 1 in z
0.084 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in y
0.084 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.084 * [taylor]: Taking taylor expansion of 4.0 in y
0.084 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.084 * [taylor]: Taking taylor expansion of (* z y) in y
0.084 * [taylor]: Taking taylor expansion of z in y
0.084 * [taylor]: Taking taylor expansion of y in y
0.085 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 z))) in z
0.085 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in z
0.085 * [taylor]: Taking taylor expansion of 4.0 in z
0.085 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.085 * [taylor]: Taking taylor expansion of z in z
0.086 * [taylor]: Taking taylor expansion of 0 in z
0.086 * [taylor]: Taking taylor expansion of 0 in z
0.088 * [taylor]: Taking taylor expansion of 0 in y
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
0.093 * [taylor]: Taking taylor expansion of 0 in y
0.093 * [taylor]: Taking taylor expansion of 0 in z
0.094 * [taylor]: Taking taylor expansion of 0 in z
0.094 * [taylor]: Taking taylor expansion of 0 in z
0.094 * [taylor]: Taking taylor expansion of 0 in z
0.095 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in (x y z) around 0
0.095 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in z
0.095 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in z
0.095 * [taylor]: Taking taylor expansion of (pow x 2) in z
0.095 * [taylor]: Taking taylor expansion of x in z
0.095 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in z
0.095 * [taylor]: Taking taylor expansion of 4.0 in z
0.095 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in z
0.095 * [taylor]: Taking taylor expansion of (* z y) in z
0.095 * [taylor]: Taking taylor expansion of z in z
0.095 * [taylor]: Taking taylor expansion of y in z
0.096 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in y
0.096 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.096 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.096 * [taylor]: Taking taylor expansion of x in y
0.096 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.096 * [taylor]: Taking taylor expansion of 4.0 in y
0.096 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.096 * [taylor]: Taking taylor expansion of (* z y) in y
0.096 * [taylor]: Taking taylor expansion of z in y
0.096 * [taylor]: Taking taylor expansion of y in y
0.096 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in x
0.096 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.096 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.096 * [taylor]: Taking taylor expansion of x in x
0.097 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.097 * [taylor]: Taking taylor expansion of 4.0 in x
0.097 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.097 * [taylor]: Taking taylor expansion of (* z y) in x
0.097 * [taylor]: Taking taylor expansion of z in x
0.097 * [taylor]: Taking taylor expansion of y in x
0.097 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in x
0.097 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.097 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.097 * [taylor]: Taking taylor expansion of x in x
0.098 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.098 * [taylor]: Taking taylor expansion of 4.0 in x
0.098 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.098 * [taylor]: Taking taylor expansion of (* z y) in x
0.098 * [taylor]: Taking taylor expansion of z in x
0.098 * [taylor]: Taking taylor expansion of y in x
0.098 * [taylor]: Taking taylor expansion of 1 in y
0.099 * [taylor]: Taking taylor expansion of 0 in y
0.099 * [taylor]: Taking taylor expansion of 1 in z
0.100 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in y
0.100 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.100 * [taylor]: Taking taylor expansion of 4.0 in y
0.100 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.100 * [taylor]: Taking taylor expansion of (* z y) in y
0.100 * [taylor]: Taking taylor expansion of z in y
0.100 * [taylor]: Taking taylor expansion of y in y
0.101 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 z))) in z
0.101 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in z
0.101 * [taylor]: Taking taylor expansion of 4.0 in z
0.101 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.101 * [taylor]: Taking taylor expansion of z in z
0.102 * [taylor]: Taking taylor expansion of 0 in z
0.102 * [taylor]: Taking taylor expansion of 0 in z
0.104 * [taylor]: Taking taylor expansion of 0 in y
0.105 * [taylor]: Taking taylor expansion of 0 in z
0.105 * [taylor]: Taking taylor expansion of 0 in z
0.105 * [taylor]: Taking taylor expansion of 0 in z
0.109 * [taylor]: Taking taylor expansion of 0 in y
0.109 * [taylor]: Taking taylor expansion of 0 in z
0.110 * [taylor]: Taking taylor expansion of 0 in z
0.110 * [taylor]: Taking taylor expansion of 0 in z
0.110 * [taylor]: Taking taylor expansion of 0 in z
0.111 * * * [progress]: simplifying candidates
0.111 * [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 :  114  enodes  (cost  255 )
0.161 * * [simplify]: iteration  2 :  484  enodes  (cost  225 )
0.436 * * [simplify]: iteration  3 :  2071  enodes  (cost  225 )
2.193 * * [simplify]: iteration  done :  5000  enodes  (cost  224 )
2.193 * [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)))
  (- (* z (* y 4.0)))
  (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))
  (- (* 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)))
  (- (* x x) (* (* y 4.0) z))
  (- (* x x) (* (* y 4.0) z))
  (- (* x x) (* (* y 4.0) z))
2.193 * * * [progress]: adding candidates to table
2.236 * * [progress]: iteration 2 / 4
2.236 * * * [progress]: picking best candidate
2.238 * * * * [pick]: Picked  #<alt (λ (x y z) (fma x x (- (* z (* y 4.0)))))>
2.238 * * * [progress]: localizing error
2.245 * * * [progress]: generating rewritten candidates
2.245 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
2.246 * * * [progress]: generating series expansions
2.246 * * * * [progress]: [ 1 / 1 ] generating series at (2)
2.246 * [approximate]: Taking taylor expansion of (fma x x (- (* 4.0 (* z y)))) in (x z y) around 0
2.246 * [taylor]: Taking taylor expansion of (fma x x (- (* 4.0 (* z y)))) in y
2.246 * [taylor]: Rewrote expression to (+ (* x x) (- (* 4.0 (* z y))))
2.246 * [taylor]: Taking taylor expansion of (* x x) in y
2.246 * [taylor]: Taking taylor expansion of x in y
2.246 * [taylor]: Taking taylor expansion of x in y
2.246 * [taylor]: Taking taylor expansion of (- (* 4.0 (* z y))) in y
2.246 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in y
2.246 * [taylor]: Taking taylor expansion of 4.0 in y
2.246 * [taylor]: Taking taylor expansion of (* z y) in y
2.246 * [taylor]: Taking taylor expansion of z in y
2.246 * [taylor]: Taking taylor expansion of y in y
2.246 * [taylor]: Taking taylor expansion of (fma x x (- (* 4.0 (* z y)))) in z
2.246 * [taylor]: Rewrote expression to (+ (* x x) (- (* 4.0 (* z y))))
2.247 * [taylor]: Taking taylor expansion of (* x x) in z
2.247 * [taylor]: Taking taylor expansion of x in z
2.247 * [taylor]: Taking taylor expansion of x in z
2.247 * [taylor]: Taking taylor expansion of (- (* 4.0 (* z y))) in z
2.247 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in z
2.247 * [taylor]: Taking taylor expansion of 4.0 in z
2.247 * [taylor]: Taking taylor expansion of (* z y) in z
2.247 * [taylor]: Taking taylor expansion of z in z
2.247 * [taylor]: Taking taylor expansion of y in z
2.247 * [taylor]: Taking taylor expansion of (fma x x (- (* 4.0 (* z y)))) in x
2.247 * [taylor]: Rewrote expression to (+ (* x x) (- (* 4.0 (* z y))))
2.247 * [taylor]: Taking taylor expansion of (* x x) in x
2.247 * [taylor]: Taking taylor expansion of x in x
2.247 * [taylor]: Taking taylor expansion of x in x
2.247 * [taylor]: Taking taylor expansion of (- (* 4.0 (* z y))) in x
2.247 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in x
2.247 * [taylor]: Taking taylor expansion of 4.0 in x
2.247 * [taylor]: Taking taylor expansion of (* z y) in x
2.247 * [taylor]: Taking taylor expansion of z in x
2.247 * [taylor]: Taking taylor expansion of y in x
2.247 * [taylor]: Taking taylor expansion of (fma x x (- (* 4.0 (* z y)))) in x
2.247 * [taylor]: Rewrote expression to (+ (* x x) (- (* 4.0 (* z y))))
2.247 * [taylor]: Taking taylor expansion of (* x x) in x
2.247 * [taylor]: Taking taylor expansion of x in x
2.247 * [taylor]: Taking taylor expansion of x in x
2.247 * [taylor]: Taking taylor expansion of (- (* 4.0 (* z y))) in x
2.247 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in x
2.247 * [taylor]: Taking taylor expansion of 4.0 in x
2.247 * [taylor]: Taking taylor expansion of (* z y) in x
2.247 * [taylor]: Taking taylor expansion of z in x
2.247 * [taylor]: Taking taylor expansion of y in x
2.248 * [taylor]: Taking taylor expansion of (- (* 4.0 (* z y))) in z
2.248 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in z
2.248 * [taylor]: Taking taylor expansion of 4.0 in z
2.248 * [taylor]: Taking taylor expansion of (* z y) in z
2.248 * [taylor]: Taking taylor expansion of z in z
2.248 * [taylor]: Taking taylor expansion of y in z
2.249 * [taylor]: Taking taylor expansion of 0 in y
2.250 * [taylor]: Taking taylor expansion of 0 in z
2.250 * [taylor]: Taking taylor expansion of 0 in y
2.251 * [taylor]: Taking taylor expansion of (- (* 4.0 y)) in y
2.251 * [taylor]: Taking taylor expansion of (* 4.0 y) in y
2.251 * [taylor]: Taking taylor expansion of 4.0 in y
2.251 * [taylor]: Taking taylor expansion of y in y
2.253 * [taylor]: Taking taylor expansion of 1 in z
2.253 * [taylor]: Taking taylor expansion of 1 in y
2.253 * [taylor]: Taking taylor expansion of 0 in y
2.254 * [taylor]: Taking taylor expansion of 0 in y
2.258 * [taylor]: Taking taylor expansion of 0 in z
2.258 * [taylor]: Taking taylor expansion of 0 in y
2.258 * [taylor]: Taking taylor expansion of 0 in y
2.258 * [taylor]: Taking taylor expansion of 0 in y
2.260 * [taylor]: Taking taylor expansion of 0 in y
2.261 * [approximate]: Taking taylor expansion of (fma (/ 1 x) (/ 1 x) (- (* 4.0 (/ 1 (* z y))))) in (x z y) around 0
2.261 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (/ 1 x) (- (* 4.0 (/ 1 (* z y))))) in y
2.261 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (/ 1 x)) (- (* 4.0 (/ 1 (* z y)))))
2.261 * [taylor]: Taking taylor expansion of (* (/ 1 x) (/ 1 x)) in y
2.261 * [taylor]: Taking taylor expansion of (/ 1 x) in y
2.261 * [taylor]: Taking taylor expansion of x in y
2.261 * [taylor]: Taking taylor expansion of (/ 1 x) in y
2.261 * [taylor]: Taking taylor expansion of x in y
2.261 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in y
2.261 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
2.261 * [taylor]: Taking taylor expansion of 4.0 in y
2.261 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
2.261 * [taylor]: Taking taylor expansion of (* z y) in y
2.261 * [taylor]: Taking taylor expansion of z in y
2.261 * [taylor]: Taking taylor expansion of y in y
2.261 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (/ 1 x) (- (* 4.0 (/ 1 (* z y))))) in z
2.262 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (/ 1 x)) (- (* 4.0 (/ 1 (* z y)))))
2.262 * [taylor]: Taking taylor expansion of (* (/ 1 x) (/ 1 x)) in z
2.262 * [taylor]: Taking taylor expansion of (/ 1 x) in z
2.262 * [taylor]: Taking taylor expansion of x in z
2.262 * [taylor]: Taking taylor expansion of (/ 1 x) in z
2.262 * [taylor]: Taking taylor expansion of x in z
2.262 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in z
2.262 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in z
2.262 * [taylor]: Taking taylor expansion of 4.0 in z
2.262 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in z
2.262 * [taylor]: Taking taylor expansion of (* z y) in z
2.262 * [taylor]: Taking taylor expansion of z in z
2.262 * [taylor]: Taking taylor expansion of y in z
2.262 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (/ 1 x) (- (* 4.0 (/ 1 (* z y))))) in x
2.262 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (/ 1 x)) (- (* 4.0 (/ 1 (* z y)))))
2.262 * [taylor]: Taking taylor expansion of (* (/ 1 x) (/ 1 x)) in x
2.262 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.262 * [taylor]: Taking taylor expansion of x in x
2.263 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.263 * [taylor]: Taking taylor expansion of x in x
2.263 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in x
2.263 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
2.263 * [taylor]: Taking taylor expansion of 4.0 in x
2.263 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
2.263 * [taylor]: Taking taylor expansion of (* z y) in x
2.263 * [taylor]: Taking taylor expansion of z in x
2.263 * [taylor]: Taking taylor expansion of y in x
2.263 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (/ 1 x) (- (* 4.0 (/ 1 (* z y))))) in x
2.263 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (/ 1 x)) (- (* 4.0 (/ 1 (* z y)))))
2.263 * [taylor]: Taking taylor expansion of (* (/ 1 x) (/ 1 x)) in x
2.263 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.263 * [taylor]: Taking taylor expansion of x in x
2.263 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.264 * [taylor]: Taking taylor expansion of x in x
2.264 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in x
2.264 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
2.264 * [taylor]: Taking taylor expansion of 4.0 in x
2.264 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
2.264 * [taylor]: Taking taylor expansion of (* z y) in x
2.264 * [taylor]: Taking taylor expansion of z in x
2.264 * [taylor]: Taking taylor expansion of y in x
2.264 * [taylor]: Taking taylor expansion of 1 in z
2.266 * [taylor]: Taking taylor expansion of 0 in z
2.266 * [taylor]: Taking taylor expansion of 1 in y
2.268 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in z
2.268 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in z
2.268 * [taylor]: Taking taylor expansion of 4.0 in z
2.268 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in z
2.268 * [taylor]: Taking taylor expansion of (* z y) in z
2.268 * [taylor]: Taking taylor expansion of z in z
2.268 * [taylor]: Taking taylor expansion of y in z
2.268 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 y))) in y
2.268 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 y)) in y
2.268 * [taylor]: Taking taylor expansion of 4.0 in y
2.268 * [taylor]: Taking taylor expansion of (/ 1 y) in y
2.268 * [taylor]: Taking taylor expansion of y in y
2.269 * [taylor]: Taking taylor expansion of 0 in y
2.269 * [taylor]: Taking taylor expansion of 0 in y
2.272 * [taylor]: Taking taylor expansion of 0 in z
2.273 * [taylor]: Taking taylor expansion of 0 in y
2.273 * [taylor]: Taking taylor expansion of 0 in y
2.273 * [taylor]: Taking taylor expansion of 0 in y
2.277 * [taylor]: Taking taylor expansion of 0 in z
2.277 * [taylor]: Taking taylor expansion of 0 in y
2.279 * [taylor]: Taking taylor expansion of 0 in y
2.279 * [taylor]: Taking taylor expansion of 0 in y
2.279 * [taylor]: Taking taylor expansion of 0 in y
2.280 * [approximate]: Taking taylor expansion of (fma (/ -1 x) (/ -1 x) (- (* 4.0 (/ 1 (* z y))))) in (x z y) around 0
2.280 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (/ -1 x) (- (* 4.0 (/ 1 (* z y))))) in y
2.280 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (/ -1 x)) (- (* 4.0 (/ 1 (* z y)))))
2.280 * [taylor]: Taking taylor expansion of (* (/ -1 x) (/ -1 x)) in y
2.280 * [taylor]: Taking taylor expansion of (/ -1 x) in y
2.280 * [taylor]: Taking taylor expansion of -1 in y
2.280 * [taylor]: Taking taylor expansion of x in y
2.280 * [taylor]: Taking taylor expansion of (/ -1 x) in y
2.280 * [taylor]: Taking taylor expansion of -1 in y
2.280 * [taylor]: Taking taylor expansion of x in y
2.280 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in y
2.280 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
2.280 * [taylor]: Taking taylor expansion of 4.0 in y
2.280 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
2.280 * [taylor]: Taking taylor expansion of (* z y) in y
2.280 * [taylor]: Taking taylor expansion of z in y
2.280 * [taylor]: Taking taylor expansion of y in y
2.281 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (/ -1 x) (- (* 4.0 (/ 1 (* z y))))) in z
2.281 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (/ -1 x)) (- (* 4.0 (/ 1 (* z y)))))
2.281 * [taylor]: Taking taylor expansion of (* (/ -1 x) (/ -1 x)) in z
2.281 * [taylor]: Taking taylor expansion of (/ -1 x) in z
2.281 * [taylor]: Taking taylor expansion of -1 in z
2.281 * [taylor]: Taking taylor expansion of x in z
2.281 * [taylor]: Taking taylor expansion of (/ -1 x) in z
2.281 * [taylor]: Taking taylor expansion of -1 in z
2.281 * [taylor]: Taking taylor expansion of x in z
2.281 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in z
2.281 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in z
2.281 * [taylor]: Taking taylor expansion of 4.0 in z
2.281 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in z
2.281 * [taylor]: Taking taylor expansion of (* z y) in z
2.281 * [taylor]: Taking taylor expansion of z in z
2.281 * [taylor]: Taking taylor expansion of y in z
2.281 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (/ -1 x) (- (* 4.0 (/ 1 (* z y))))) in x
2.282 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (/ -1 x)) (- (* 4.0 (/ 1 (* z y)))))
2.282 * [taylor]: Taking taylor expansion of (* (/ -1 x) (/ -1 x)) in x
2.282 * [taylor]: Taking taylor expansion of (/ -1 x) in x
2.282 * [taylor]: Taking taylor expansion of -1 in x
2.282 * [taylor]: Taking taylor expansion of x in x
2.282 * [taylor]: Taking taylor expansion of (/ -1 x) in x
2.282 * [taylor]: Taking taylor expansion of -1 in x
2.282 * [taylor]: Taking taylor expansion of x in x
2.282 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in x
2.282 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
2.282 * [taylor]: Taking taylor expansion of 4.0 in x
2.282 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
2.282 * [taylor]: Taking taylor expansion of (* z y) in x
2.282 * [taylor]: Taking taylor expansion of z in x
2.282 * [taylor]: Taking taylor expansion of y in x
2.282 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (/ -1 x) (- (* 4.0 (/ 1 (* z y))))) in x
2.283 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (/ -1 x)) (- (* 4.0 (/ 1 (* z y)))))
2.283 * [taylor]: Taking taylor expansion of (* (/ -1 x) (/ -1 x)) in x
2.283 * [taylor]: Taking taylor expansion of (/ -1 x) in x
2.283 * [taylor]: Taking taylor expansion of -1 in x
2.283 * [taylor]: Taking taylor expansion of x in x
2.283 * [taylor]: Taking taylor expansion of (/ -1 x) in x
2.283 * [taylor]: Taking taylor expansion of -1 in x
2.283 * [taylor]: Taking taylor expansion of x in x
2.283 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in x
2.283 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
2.283 * [taylor]: Taking taylor expansion of 4.0 in x
2.283 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
2.283 * [taylor]: Taking taylor expansion of (* z y) in x
2.283 * [taylor]: Taking taylor expansion of z in x
2.283 * [taylor]: Taking taylor expansion of y in x
2.284 * [taylor]: Taking taylor expansion of 1 in z
2.286 * [taylor]: Taking taylor expansion of 0 in z
2.286 * [taylor]: Taking taylor expansion of 1 in y
2.288 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in z
2.288 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in z
2.288 * [taylor]: Taking taylor expansion of 4.0 in z
2.288 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in z
2.288 * [taylor]: Taking taylor expansion of (* z y) in z
2.288 * [taylor]: Taking taylor expansion of z in z
2.288 * [taylor]: Taking taylor expansion of y in z
2.288 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 y))) in y
2.288 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 y)) in y
2.288 * [taylor]: Taking taylor expansion of 4.0 in y
2.288 * [taylor]: Taking taylor expansion of (/ 1 y) in y
2.288 * [taylor]: Taking taylor expansion of y in y
2.290 * [taylor]: Taking taylor expansion of 0 in y
2.290 * [taylor]: Taking taylor expansion of 0 in y
2.292 * [taylor]: Taking taylor expansion of 0 in z
2.294 * [taylor]: Taking taylor expansion of 0 in y
2.294 * [taylor]: Taking taylor expansion of 0 in y
2.294 * [taylor]: Taking taylor expansion of 0 in y
2.301 * [taylor]: Taking taylor expansion of 0 in z
2.301 * [taylor]: Taking taylor expansion of 0 in y
2.302 * [taylor]: Taking taylor expansion of 0 in y
2.302 * [taylor]: Taking taylor expansion of 0 in y
2.303 * [taylor]: Taking taylor expansion of 0 in y
2.303 * * * [progress]: simplifying candidates
2.304 * [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)))
2.305 * * [simplify]: iteration  0 :  23  enodes  (cost  150 )
2.308 * * [simplify]: iteration  1 :  41  enodes  (cost  150 )
2.315 * * [simplify]: iteration  2 :  91  enodes  (cost  132 )
2.334 * * [simplify]: iteration  3 :  302  enodes  (cost  132 )
2.458 * * [simplify]: iteration  4 :  1232  enodes  (cost  132 )
3.564 * * [simplify]: iteration  done :  5001  enodes  (cost  132 )
3.564 * [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))))
3.564 * * * [progress]: adding candidates to table
3.598 * [progress]: [Phase 3 of 3] Extracting.
3.600 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (fma x x (- (* z (* y 4.0))))
3.600 * * [simplify]: iteration  0 :  8  enodes  (cost  9 )
3.601 * * [simplify]: iteration  1 :  14  enodes  (cost  9 )
3.601 * * [simplify]: iteration  2 :  22  enodes  (cost  9 )
3.602 * * [simplify]: iteration  done :  22  enodes  (cost  9 )
3.602 * [simplify]: Simplified to:
   (fma x x (- (* z (* y 4.0))))
4.218 * [regime-testing]: End program error score: 0.028503562945368172