3.207 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.014 * * * [progress]: [2/2] Setting up program.
0.016 * [progress]: [Phase 2 of 3] Improving.
0.017 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- x (* (* y 4.0) z))
0.018 * * [simplify]: iteration  0 :  7  enodes  (cost  7 )
0.019 * * [simplify]: iteration  1 :  13  enodes  (cost  7 )
0.021 * * [simplify]: iteration  2 :  30  enodes  (cost  7 )
0.025 * * [simplify]: iteration  3 :  63  enodes  (cost  7 )
0.036 * * [simplify]: iteration  4 :  73  enodes  (cost  7 )
0.046 * * [simplify]: iteration  done :  73  enodes  (cost  7 )
0.046 * [simplify]: Simplified to:
   (- x (* (* y 4.0) z))
0.047 * * [progress]: iteration 1 / 4
0.047 * * * [progress]: picking best candidate
0.048 * * * * [pick]: Picked  #<alt (λ (x y z) (- x (* (* y 4.0) z)))>
0.048 * * * [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 (- x (* 4.0 (* z y))) in (x y z) around 0
0.061 * [taylor]: Taking taylor expansion of (- x (* 4.0 (* z y))) 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 (- x (* 4.0 (* z y))) 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 (- x (* 4.0 (* z y))) in x
0.061 * [taylor]: Taking taylor expansion of x in x
0.061 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in x
0.061 * [taylor]: Taking taylor expansion of 4.0 in x
0.061 * [taylor]: Taking taylor expansion of (* z y) in x
0.061 * [taylor]: Taking taylor expansion of z in x
0.061 * [taylor]: Taking taylor expansion of y in x
0.061 * [taylor]: Taking taylor expansion of (- x (* 4.0 (* z y))) in x
0.061 * [taylor]: Taking taylor expansion of x in x
0.061 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in x
0.061 * [taylor]: Taking taylor expansion of 4.0 in x
0.061 * [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 1 in y
0.064 * [taylor]: Taking taylor expansion of 1 in z
0.065 * [taylor]: Taking taylor expansion of (- (* 4.0 z)) in z
0.065 * [taylor]: Taking taylor expansion of (* 4.0 z) in z
0.065 * [taylor]: Taking taylor expansion of 4.0 in z
0.065 * [taylor]: Taking taylor expansion of z in z
0.067 * [taylor]: Taking taylor expansion of 0 in y
0.067 * [taylor]: Taking taylor expansion of 0 in z
0.067 * [taylor]: Taking taylor expansion of 0 in z
0.068 * [taylor]: Taking taylor expansion of 0 in z
0.069 * [approximate]: Taking taylor expansion of (- (/ 1 x) (* 4.0 (/ 1 (* z y)))) in (x y z) around 0
0.069 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 4.0 (/ 1 (* z y)))) in z
0.069 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.069 * [taylor]: Taking taylor expansion of x in z
0.069 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in z
0.069 * [taylor]: Taking taylor expansion of 4.0 in z
0.069 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in z
0.069 * [taylor]: Taking taylor expansion of (* z y) in z
0.069 * [taylor]: Taking taylor expansion of z in z
0.069 * [taylor]: Taking taylor expansion of y in z
0.069 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 4.0 (/ 1 (* z y)))) in y
0.069 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.069 * [taylor]: Taking taylor expansion of x in y
0.069 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.069 * [taylor]: Taking taylor expansion of 4.0 in y
0.069 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.069 * [taylor]: Taking taylor expansion of (* z y) in y
0.069 * [taylor]: Taking taylor expansion of z in y
0.069 * [taylor]: Taking taylor expansion of y in y
0.070 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 4.0 (/ 1 (* z y)))) in x
0.070 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.070 * [taylor]: Taking taylor expansion of x in x
0.070 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.070 * [taylor]: Taking taylor expansion of 4.0 in x
0.070 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.070 * [taylor]: Taking taylor expansion of (* z y) in x
0.070 * [taylor]: Taking taylor expansion of z in x
0.070 * [taylor]: Taking taylor expansion of y in x
0.070 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 4.0 (/ 1 (* z y)))) in x
0.070 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.070 * [taylor]: Taking taylor expansion of x in x
0.071 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.071 * [taylor]: Taking taylor expansion of 4.0 in x
0.071 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.071 * [taylor]: Taking taylor expansion of (* z y) in x
0.071 * [taylor]: Taking taylor expansion of z in x
0.071 * [taylor]: Taking taylor expansion of y in x
0.071 * [taylor]: Taking taylor expansion of 1 in y
0.072 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in y
0.072 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.072 * [taylor]: Taking taylor expansion of 4.0 in y
0.072 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.072 * [taylor]: Taking taylor expansion of (* z y) in y
0.072 * [taylor]: Taking taylor expansion of z in y
0.072 * [taylor]: Taking taylor expansion of y in y
0.072 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 z))) in z
0.072 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in z
0.072 * [taylor]: Taking taylor expansion of 4.0 in z
0.072 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.072 * [taylor]: Taking taylor expansion of z in z
0.074 * [taylor]: Taking taylor expansion of 1 in z
0.075 * [taylor]: Taking taylor expansion of 0 in y
0.076 * [taylor]: Taking taylor expansion of 0 in z
0.076 * [taylor]: Taking taylor expansion of 0 in z
0.079 * [taylor]: Taking taylor expansion of 0 in y
0.080 * [taylor]: Taking taylor expansion of 0 in z
0.081 * [taylor]: Taking taylor expansion of 0 in z
0.081 * [taylor]: Taking taylor expansion of 0 in z
0.085 * [taylor]: Taking taylor expansion of 0 in y
0.085 * [taylor]: Taking taylor expansion of 0 in z
0.085 * [taylor]: Taking taylor expansion of 0 in z
0.087 * [taylor]: Taking taylor expansion of 0 in z
0.087 * [taylor]: Taking taylor expansion of 0 in z
0.088 * [approximate]: Taking taylor expansion of (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x))) in (x y z) around 0
0.088 * [taylor]: Taking taylor expansion of (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x))) in z
0.088 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ 1 (* z y))) (/ 1 x)) in z
0.088 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in z
0.088 * [taylor]: Taking taylor expansion of 4.0 in z
0.088 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in z
0.088 * [taylor]: Taking taylor expansion of (* z y) in z
0.088 * [taylor]: Taking taylor expansion of z in z
0.088 * [taylor]: Taking taylor expansion of y in z
0.088 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.088 * [taylor]: Taking taylor expansion of x in z
0.088 * [taylor]: Taking taylor expansion of (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x))) in y
0.088 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ 1 (* z y))) (/ 1 x)) in y
0.088 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.088 * [taylor]: Taking taylor expansion of 4.0 in y
0.088 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.088 * [taylor]: Taking taylor expansion of (* z y) in y
0.088 * [taylor]: Taking taylor expansion of z in y
0.088 * [taylor]: Taking taylor expansion of y in y
0.089 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.089 * [taylor]: Taking taylor expansion of x in y
0.089 * [taylor]: Taking taylor expansion of (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x))) in x
0.089 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ 1 (* z y))) (/ 1 x)) in x
0.089 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.089 * [taylor]: Taking taylor expansion of 4.0 in x
0.089 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.089 * [taylor]: Taking taylor expansion of (* z y) in x
0.089 * [taylor]: Taking taylor expansion of z in x
0.089 * [taylor]: Taking taylor expansion of y in x
0.089 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.089 * [taylor]: Taking taylor expansion of x in x
0.089 * [taylor]: Taking taylor expansion of (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x))) in x
0.089 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ 1 (* z y))) (/ 1 x)) in x
0.089 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.089 * [taylor]: Taking taylor expansion of 4.0 in x
0.089 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.089 * [taylor]: Taking taylor expansion of (* z y) in x
0.090 * [taylor]: Taking taylor expansion of z in x
0.090 * [taylor]: Taking taylor expansion of y in x
0.090 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.090 * [taylor]: Taking taylor expansion of x in x
0.090 * [taylor]: Taking taylor expansion of -1 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 (/ 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
0.092 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 z))) in z
0.092 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in z
0.092 * [taylor]: Taking taylor expansion of 4.0 in z
0.092 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.092 * [taylor]: Taking taylor expansion of z in z
0.093 * [taylor]: Taking taylor expansion of -1 in z
0.094 * [taylor]: Taking taylor expansion of 0 in y
0.095 * [taylor]: Taking taylor expansion of 0 in z
0.096 * [taylor]: Taking taylor expansion of 0 in z
0.099 * [taylor]: Taking taylor expansion of 0 in y
0.099 * [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
0.104 * [taylor]: Taking taylor expansion of 0 in z
0.106 * [taylor]: Taking taylor expansion of 0 in z
0.106 * [taylor]: Taking taylor expansion of 0 in z
0.107 * * * [progress]: simplifying candidates
0.107 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (fma (* (cbrt x) (cbrt x)) (cbrt x) (- (* z (* y 4.0))))
  (fma (- z) (* y 4.0) (* z (* y 4.0)))
  (fma (sqrt x) (sqrt x) (- (* z (* y 4.0))))
  (fma (- z) (* y 4.0) (* z (* y 4.0)))
  (fma 1 x (- (* z (* y 4.0))))
  (fma (- z) (* y 4.0) (* z (* y 4.0)))
  (expm1 (- x (* (* y 4.0) z)))
  (log1p (- x (* (* y 4.0) z)))
  (- (* (* y 4.0) z))
  (- (* (* y 4.0) z))
  (- (* (* y 4.0) z))
  (/ (exp x) (exp (* (* y 4.0) z)))
  (log (- x (* (* y 4.0) z)))
  (exp (- x (* (* y 4.0) z)))
  (* (cbrt (- x (* (* y 4.0) z))) (cbrt (- x (* (* y 4.0) z))))
  (cbrt (- x (* (* y 4.0) z)))
  (* (* (- x (* (* y 4.0) z)) (- x (* (* y 4.0) z))) (- x (* (* y 4.0) z)))
  (sqrt (- x (* (* y 4.0) z)))
  (sqrt (- x (* (* y 4.0) z)))
  (- (pow x 3) (pow (* (* y 4.0) z) 3))
  (+ (* x x) (+ (* (* (* y 4.0) z) (* (* y 4.0) z)) (* x (* (* y 4.0) z))))
  (- (* (* y 4.0) z))
  (- (* x x) (* (* (* y 4.0) z) (* (* y 4.0) z)))
  (+ x (* (* y 4.0) z))
  (- (* (* y 4.0) z))
  x
  (- x (* 4.0 (* z y)))
  (- x (* 4.0 (* z y)))
0.109 * * [simplify]: iteration  0 :  45  enodes  (cost  273 )
0.117 * * [simplify]: iteration  1 :  110  enodes  (cost  265 )
0.155 * * [simplify]: iteration  2 :  406  enodes  (cost  233 )
0.402 * * [simplify]: iteration  3 :  1904  enodes  (cost  229 )
2.047 * * [simplify]: iteration  done :  5001  enodes  (cost  226 )
2.047 * [simplify]: Simplified to:
   (fma y (- (* 4.0 z)) (pow (cbrt x) 3))
  (* (- 4.0 4.0) (* z y))
  (- x (* 4.0 (* z y)))
  (* (- 4.0 4.0) (* z y))
  (- x (* 4.0 (* z y)))
  (* (- 4.0 4.0) (* z y))
  (expm1 (- x (* (* y 4.0) z)))
  (log1p (- x (* (* y 4.0) z)))
  (- (* z (* y 4.0)))
  (- (* z (* y 4.0)))
  (- (* z (* y 4.0)))
  (exp (- x (* 4.0 (* z y))))
  (log (- x (* (* y 4.0) z)))
  (exp (- x (* 4.0 (* z y))))
  (* (cbrt (- x (* (* y 4.0) z))) (cbrt (- x (* (* y 4.0) z))))
  (cbrt (- x (* (* y 4.0) z)))
  (pow (- x (* (* y 4.0) z)) 3)
  (sqrt (- x (* (* y 4.0) z)))
  (sqrt (- x (* (* y 4.0) z)))
  (- (pow x 3) (pow (* (* y 4.0) z) 3))
  (fma (* 4.0 (* z y)) (fma 4.0 (* z y) x) (* x x))
  (- (* z (* y 4.0)))
  (* (- x (* 4.0 (* z y))) (fma 4.0 (* z y) x))
  (fma 4.0 (* z y) x)
  (- (* z (* y 4.0)))
  x
  (- x (* 4.0 (* z y)))
  (- x (* 4.0 (* z y)))
2.047 * * * [progress]: adding candidates to table
2.103 * * [progress]: iteration 2 / 4
2.103 * * * [progress]: picking best candidate
2.106 * * * * [pick]: Picked  #<alt (λ (x y z) (+ (fma y (- (* 4.0 z)) (pow (cbrt x) 3)) (* (- 4.0 4.0) (* z y))))>
2.106 * * * [progress]: localizing error
2.120 * * * [progress]: generating rewritten candidates
2.120 * * * * [progress]: [ 1 / 2 ] rewriting at (2 1 3)
2.123 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1 3 1)
2.124 * * * [progress]: generating series expansions
2.124 * * * * [progress]: [ 1 / 2 ] generating series at (2 1 3)
2.124 * [approximate]: Taking taylor expansion of (pow (pow x 1/3) 3) in (x) around 0
2.124 * [taylor]: Taking taylor expansion of (pow (pow x 1/3) 3) in x
2.124 * [taylor]: Taking taylor expansion of (pow x 1/3) in x
2.124 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log x))) in x
2.124 * [taylor]: Taking taylor expansion of (* 1/3 (log x)) in x
2.124 * [taylor]: Taking taylor expansion of 1/3 in x
2.124 * [taylor]: Taking taylor expansion of (log x) in x
2.124 * [taylor]: Taking taylor expansion of x in x
2.126 * [taylor]: Taking taylor expansion of (pow (pow x 1/3) 3) in x
2.126 * [taylor]: Taking taylor expansion of (pow x 1/3) in x
2.126 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log x))) in x
2.126 * [taylor]: Taking taylor expansion of (* 1/3 (log x)) in x
2.126 * [taylor]: Taking taylor expansion of 1/3 in x
2.126 * [taylor]: Taking taylor expansion of (log x) in x
2.126 * [taylor]: Taking taylor expansion of x in x
2.194 * [approximate]: Taking taylor expansion of (pow (pow (/ 1 x) 1/3) 3) in (x) around 0
2.194 * [taylor]: Taking taylor expansion of (pow (pow (/ 1 x) 1/3) 3) in x
2.194 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 1/3) in x
2.194 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (/ 1 x)))) in x
2.194 * [taylor]: Taking taylor expansion of (* 1/3 (log (/ 1 x))) in x
2.194 * [taylor]: Taking taylor expansion of 1/3 in x
2.194 * [taylor]: Taking taylor expansion of (log (/ 1 x)) in x
2.194 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.195 * [taylor]: Taking taylor expansion of x in x
2.196 * [taylor]: Taking taylor expansion of (pow (pow (/ 1 x) 1/3) 3) in x
2.196 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 1/3) in x
2.196 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (/ 1 x)))) in x
2.196 * [taylor]: Taking taylor expansion of (* 1/3 (log (/ 1 x))) in x
2.196 * [taylor]: Taking taylor expansion of 1/3 in x
2.196 * [taylor]: Taking taylor expansion of (log (/ 1 x)) in x
2.196 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.196 * [taylor]: Taking taylor expansion of x in x
2.265 * [approximate]: Taking taylor expansion of (pow (* (cbrt -1) (pow (/ 1 x) 1/3)) 3) in (x) around 0
2.265 * [taylor]: Taking taylor expansion of (pow (* (cbrt -1) (pow (/ 1 x) 1/3)) 3) in x
2.265 * [taylor]: Taking taylor expansion of (* (cbrt -1) (pow (/ 1 x) 1/3)) in x
2.265 * [taylor]: Taking taylor expansion of (cbrt -1) in x
2.265 * [taylor]: Taking taylor expansion of -1 in x
2.266 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 1/3) in x
2.266 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (/ 1 x)))) in x
2.266 * [taylor]: Taking taylor expansion of (* 1/3 (log (/ 1 x))) in x
2.266 * [taylor]: Taking taylor expansion of 1/3 in x
2.266 * [taylor]: Taking taylor expansion of (log (/ 1 x)) in x
2.267 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.267 * [taylor]: Taking taylor expansion of x in x
2.268 * [taylor]: Taking taylor expansion of (pow (* (cbrt -1) (pow (/ 1 x) 1/3)) 3) in x
2.268 * [taylor]: Taking taylor expansion of (* (cbrt -1) (pow (/ 1 x) 1/3)) in x
2.268 * [taylor]: Taking taylor expansion of (cbrt -1) in x
2.268 * [taylor]: Taking taylor expansion of -1 in x
2.269 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 1/3) in x
2.269 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (/ 1 x)))) in x
2.269 * [taylor]: Taking taylor expansion of (* 1/3 (log (/ 1 x))) in x
2.269 * [taylor]: Taking taylor expansion of 1/3 in x
2.269 * [taylor]: Taking taylor expansion of (log (/ 1 x)) in x
2.269 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.269 * [taylor]: Taking taylor expansion of x in x
2.371 * * * * [progress]: [ 2 / 2 ] generating series at (2 1 3 1)
2.371 * [approximate]: Taking taylor expansion of (pow x 1/3) in (x) around 0
2.371 * [taylor]: Taking taylor expansion of (pow x 1/3) in x
2.371 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log x))) in x
2.371 * [taylor]: Taking taylor expansion of (* 1/3 (log x)) in x
2.371 * [taylor]: Taking taylor expansion of 1/3 in x
2.371 * [taylor]: Taking taylor expansion of (log x) in x
2.371 * [taylor]: Taking taylor expansion of x in x
2.372 * [taylor]: Taking taylor expansion of (pow x 1/3) in x
2.372 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log x))) in x
2.372 * [taylor]: Taking taylor expansion of (* 1/3 (log x)) in x
2.372 * [taylor]: Taking taylor expansion of 1/3 in x
2.372 * [taylor]: Taking taylor expansion of (log x) in x
2.372 * [taylor]: Taking taylor expansion of x in x
2.427 * [approximate]: Taking taylor expansion of (pow (/ 1 x) 1/3) in (x) around 0
2.427 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 1/3) in x
2.427 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (/ 1 x)))) in x
2.427 * [taylor]: Taking taylor expansion of (* 1/3 (log (/ 1 x))) in x
2.427 * [taylor]: Taking taylor expansion of 1/3 in x
2.427 * [taylor]: Taking taylor expansion of (log (/ 1 x)) in x
2.427 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.427 * [taylor]: Taking taylor expansion of x in x
2.428 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 1/3) in x
2.428 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (/ 1 x)))) in x
2.428 * [taylor]: Taking taylor expansion of (* 1/3 (log (/ 1 x))) in x
2.428 * [taylor]: Taking taylor expansion of 1/3 in x
2.428 * [taylor]: Taking taylor expansion of (log (/ 1 x)) in x
2.428 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.428 * [taylor]: Taking taylor expansion of x in x
2.491 * [approximate]: Taking taylor expansion of (* (cbrt -1) (pow (/ 1 x) 1/3)) in (x) around 0
2.491 * [taylor]: Taking taylor expansion of (* (cbrt -1) (pow (/ 1 x) 1/3)) in x
2.491 * [taylor]: Taking taylor expansion of (cbrt -1) in x
2.491 * [taylor]: Taking taylor expansion of -1 in x
2.492 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 1/3) in x
2.492 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (/ 1 x)))) in x
2.493 * [taylor]: Taking taylor expansion of (* 1/3 (log (/ 1 x))) in x
2.493 * [taylor]: Taking taylor expansion of 1/3 in x
2.493 * [taylor]: Taking taylor expansion of (log (/ 1 x)) in x
2.493 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.493 * [taylor]: Taking taylor expansion of x in x
2.494 * [taylor]: Taking taylor expansion of (* (cbrt -1) (pow (/ 1 x) 1/3)) in x
2.494 * [taylor]: Taking taylor expansion of (cbrt -1) in x
2.494 * [taylor]: Taking taylor expansion of -1 in x
2.495 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 1/3) in x
2.495 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (/ 1 x)))) in x
2.495 * [taylor]: Taking taylor expansion of (* 1/3 (log (/ 1 x))) in x
2.495 * [taylor]: Taking taylor expansion of 1/3 in x
2.495 * [taylor]: Taking taylor expansion of (log (/ 1 x)) in x
2.495 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.495 * [taylor]: Taking taylor expansion of x in x
2.571 * * * [progress]: simplifying candidates
2.572 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (pow (cbrt x) 3))
  (log1p (pow (cbrt x) 3))
  (* (log (cbrt x)) 3)
  (* (log (cbrt x)) 3)
  (* 1/3 3)
  (* 1 3)
  (pow (cbrt x) (* (cbrt 3) (cbrt 3)))
  (pow (cbrt x) (sqrt 3))
  (pow (cbrt x) 1)
  (pow (cbrt (* (cbrt x) (cbrt x))) 3)
  (pow (cbrt (cbrt x)) 3)
  (pow (cbrt (sqrt x)) 3)
  (pow (cbrt (sqrt x)) 3)
  (pow (cbrt 1) 3)
  (pow (cbrt x) 3)
  (pow (* (cbrt (cbrt x)) (cbrt (cbrt x))) 3)
  (pow (cbrt (cbrt x)) 3)
  (pow (sqrt (cbrt x)) 3)
  (pow (sqrt (cbrt x)) 3)
  (pow 1 3)
  (pow (cbrt x) 3)
  (* (cbrt x) (cbrt x))
  (log (pow (cbrt x) 3))
  (exp (pow (cbrt x) 3))
  (* (cbrt (pow (cbrt x) 3)) (cbrt (pow (cbrt x) 3)))
  (cbrt (pow (cbrt x) 3))
  (* (* (pow (cbrt x) 3) (pow (cbrt x) 3)) (pow (cbrt x) 3))
  (pow (cbrt (* (cbrt x) (cbrt x))) 3)
  (pow (cbrt (cbrt x)) 3)
  (pow (cbrt (sqrt x)) 3)
  (pow (cbrt (sqrt x)) 3)
  (pow (cbrt 1) 3)
  (pow (cbrt x) 3)
  (pow (* (cbrt (cbrt x)) (cbrt (cbrt x))) 3)
  (pow (cbrt (cbrt x)) 3)
  (pow (sqrt (cbrt x)) 3)
  (pow (sqrt (cbrt x)) 3)
  (pow 1 3)
  (pow (cbrt x) 3)
  (* (cbrt x) (cbrt x))
  (sqrt (pow (cbrt x) 3))
  (sqrt (pow (cbrt x) 3))
  (pow (cbrt x) (/ 3 2))
  (pow (cbrt x) (/ 3 2))
  (expm1 (cbrt x))
  (log1p (cbrt x))
  (log (cbrt x))
  (exp (cbrt x))
  (cbrt (* (cbrt x) (cbrt x)))
  (cbrt (cbrt x))
  (cbrt (sqrt x))
  (cbrt (sqrt x))
  (cbrt 1)
  (cbrt x)
  (* (cbrt (cbrt x)) (cbrt (cbrt x)))
  (cbrt (cbrt x))
  (* (* (cbrt x) (cbrt x)) (cbrt x))
  (sqrt (cbrt x))
  (sqrt (cbrt x))
  x
  x
  x
  (pow x 1/3)
  (pow (/ 1 x) -1/3)
  (* (pow (* -1 x) 1/3) (cbrt -1))
2.574 * * [simplify]: iteration  0 :  56  enodes  (cost  313 )
2.590 * * [simplify]: iteration  1 :  130  enodes  (cost  190 )
2.627 * * [simplify]: iteration  2 :  263  enodes  (cost  169 )
2.698 * * [simplify]: iteration  3 :  628  enodes  (cost  169 )
3.129 * * [simplify]: iteration  4 :  2092  enodes  (cost  165 )
4.314 * * [simplify]: iteration  done :  5001  enodes  (cost  165 )
4.314 * [simplify]: Simplified to:
   (expm1 x)
  (log1p x)
  (log x)
  (log x)
  1
  3
  (pow (cbrt x) (* (cbrt 3) (cbrt 3)))
  (pow (cbrt x) (sqrt 3))
  (cbrt x)
  (pow x 2/3)
  (cbrt x)
  (sqrt x)
  (sqrt x)
  1
  x
  (pow x 2/3)
  (cbrt x)
  (pow (cbrt x) 3/2)
  (pow (cbrt x) 3/2)
  1
  x
  (pow x 2/3)
  (log x)
  (exp x)
  (pow x 2/3)
  (cbrt x)
  (pow x 3)
  (pow x 2/3)
  (cbrt x)
  (sqrt x)
  (sqrt x)
  1
  x
  (pow x 2/3)
  (cbrt x)
  (pow (cbrt x) 3/2)
  (pow (cbrt x) 3/2)
  1
  x
  (pow x 2/3)
  (sqrt x)
  (sqrt x)
  (pow (cbrt x) 3/2)
  (pow (cbrt x) 3/2)
  (expm1 (cbrt x))
  (log1p (cbrt x))
  (log (cbrt x))
  (exp (cbrt x))
  (cbrt (pow x 2/3))
  (cbrt (cbrt x))
  (cbrt (sqrt x))
  (cbrt (sqrt x))
  1
  (cbrt x)
  (cbrt (pow x 2/3))
  (cbrt (cbrt x))
  x
  (sqrt (cbrt x))
  (sqrt (cbrt x))
  x
  x
  x
  (cbrt x)
  (pow (/ 1 x) -1/3)
  (* (cbrt -1) (cbrt (- x)))
4.314 * * * [progress]: adding candidates to table
4.431 * * [progress]: iteration 3 / 4
4.431 * * * [progress]: picking best candidate
4.434 * * * * [pick]: Picked  #<alt (λ (x y z) (+ (fma y (- (* 4.0 z)) (pow x 1)) (* (- 4.0 4.0) (* z y))))>
4.434 * * * [progress]: localizing error
4.447 * * * [progress]: generating rewritten candidates
4.447 * * * [progress]: generating series expansions
4.447 * * * [progress]: simplifying candidates
4.447 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   
4.448 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
4.448 * * [simplify]: iteration  done :  0  enodes  (cost  0 )
4.448 * [simplify]: Simplified to:
   
4.448 * * * [progress]: adding candidates to table
4.448 * [progress]: [Phase 3 of 3] Extracting.
4.451 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (+ (fma y (- (* 4.0 z)) (pow x 1)) (* (- 4.0 4.0) (* z y)))
4.452 * * [simplify]: iteration  0 :  13  enodes  (cost  17 )
4.452 * * [simplify]: iteration  1 :  23  enodes  (cost  15 )
4.453 * * [simplify]: iteration  2 :  25  enodes  (cost  15 )
4.454 * * [simplify]: iteration  done :  25  enodes  (cost  15 )
4.454 * [simplify]: Simplified to:
   (+ (fma y (- (* 4.0 z)) x) (* (- 4.0 4.0) (* z y)))
4.932 * [regime-testing]: End program error score: 0.040005000625078134