4.289 * [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))
0.017 * * [simplify]: iteration  0 :  7  enodes  (cost  7 )
0.018 * * [simplify]: iteration  1 :  13  enodes  (cost  7 )
0.020 * * [simplify]: iteration  2 :  30  enodes  (cost  7 )
0.025 * * [simplify]: iteration  3 :  63  enodes  (cost  7 )
0.039 * * [simplify]: iteration  4 :  73  enodes  (cost  7 )
0.048 * * [simplify]: iteration  done :  73  enodes  (cost  7 )
0.048 * [simplify]: Simplified to:
   (- x (* (* y 4.0) z))
0.048 * * [progress]: iteration 1 / 4
0.048 * * * [progress]: picking best candidate
0.050 * * * * [pick]: Picked  #<alt (λ (x y z) (- x (* (* y 4.0) z)))>
0.050 * * * [progress]: localizing error
0.055 * * * [progress]: generating rewritten candidates
0.055 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.059 * * * [progress]: generating series expansions
0.059 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.059 * [approximate]: Taking taylor expansion of (- x (* 4.0 (* z y))) in (x y z) around 0
0.059 * [taylor]: Taking taylor expansion of (- x (* 4.0 (* z y))) in z
0.059 * [taylor]: Taking taylor expansion of x in z
0.059 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in z
0.059 * [taylor]: Taking taylor expansion of 4.0 in z
0.059 * [taylor]: Taking taylor expansion of (* z y) in z
0.059 * [taylor]: Taking taylor expansion of z in z
0.059 * [taylor]: Taking taylor expansion of y in z
0.059 * [taylor]: Taking taylor expansion of (- x (* 4.0 (* z y))) in y
0.059 * [taylor]: Taking taylor expansion of x in y
0.059 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in y
0.059 * [taylor]: Taking taylor expansion of 4.0 in y
0.059 * [taylor]: Taking taylor expansion of (* z y) in y
0.059 * [taylor]: Taking taylor expansion of z in y
0.059 * [taylor]: Taking taylor expansion of y in y
0.059 * [taylor]: Taking taylor expansion of (- x (* 4.0 (* z y))) in x
0.059 * [taylor]: Taking taylor expansion of x in x
0.059 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in x
0.059 * [taylor]: Taking taylor expansion of 4.0 in x
0.059 * [taylor]: Taking taylor expansion of (* z y) in x
0.059 * [taylor]: Taking taylor expansion of z in x
0.059 * [taylor]: Taking taylor expansion of y in x
0.059 * [taylor]: Taking taylor expansion of (- x (* 4.0 (* z y))) in x
0.059 * [taylor]: Taking taylor expansion of x in x
0.059 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in x
0.059 * [taylor]: Taking taylor expansion of 4.0 in x
0.059 * [taylor]: Taking taylor expansion of (* z y) in x
0.059 * [taylor]: Taking taylor expansion of z in x
0.059 * [taylor]: Taking taylor expansion of y in x
0.060 * [taylor]: Taking taylor expansion of (- (* 4.0 (* z y))) in y
0.060 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in y
0.060 * [taylor]: Taking taylor expansion of 4.0 in y
0.060 * [taylor]: Taking taylor expansion of (* z y) in y
0.060 * [taylor]: Taking taylor expansion of z in y
0.060 * [taylor]: Taking taylor expansion of y in y
0.061 * [taylor]: Taking taylor expansion of 0 in z
0.061 * [taylor]: Taking taylor expansion of 1 in y
0.062 * [taylor]: Taking taylor expansion of 1 in z
0.062 * [taylor]: Taking taylor expansion of (- (* 4.0 z)) in z
0.062 * [taylor]: Taking taylor expansion of (* 4.0 z) in z
0.062 * [taylor]: Taking taylor expansion of 4.0 in z
0.062 * [taylor]: Taking taylor expansion of z 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 0 in z
0.065 * [taylor]: Taking taylor expansion of 0 in z
0.066 * [approximate]: Taking taylor expansion of (- (/ 1 x) (* 4.0 (/ 1 (* z y)))) in (x y z) around 0
0.066 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 4.0 (/ 1 (* z y)))) in z
0.066 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.066 * [taylor]: Taking taylor expansion of x in z
0.066 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in z
0.066 * [taylor]: Taking taylor expansion of 4.0 in z
0.066 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in z
0.066 * [taylor]: Taking taylor expansion of (* z y) in z
0.066 * [taylor]: Taking taylor expansion of z in z
0.066 * [taylor]: Taking taylor expansion of y in z
0.066 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 4.0 (/ 1 (* z y)))) in y
0.066 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.066 * [taylor]: Taking taylor expansion of x in y
0.066 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.066 * [taylor]: Taking taylor expansion of 4.0 in y
0.066 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.066 * [taylor]: Taking taylor expansion of (* z y) in y
0.066 * [taylor]: Taking taylor expansion of z in y
0.066 * [taylor]: Taking taylor expansion of y in y
0.067 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 4.0 (/ 1 (* z y)))) in x
0.067 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.067 * [taylor]: Taking taylor expansion of x in x
0.067 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.067 * [taylor]: Taking taylor expansion of 4.0 in x
0.067 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) 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 (- (/ 1 x) (* 4.0 (/ 1 (* z y)))) in x
0.067 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.067 * [taylor]: Taking taylor expansion of x in x
0.068 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.068 * [taylor]: Taking taylor expansion of 4.0 in x
0.068 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.068 * [taylor]: Taking taylor expansion of (* z y) in x
0.068 * [taylor]: Taking taylor expansion of z in x
0.068 * [taylor]: Taking taylor expansion of y in x
0.068 * [taylor]: Taking taylor expansion of 1 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 (/ 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 (- (* 4.0 (/ 1 z))) in z
0.070 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in z
0.070 * [taylor]: Taking taylor expansion of 4.0 in z
0.070 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.070 * [taylor]: Taking taylor expansion of z in z
0.071 * [taylor]: Taking taylor expansion of 1 in z
0.072 * [taylor]: Taking taylor expansion of 0 in y
0.073 * [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
0.078 * [taylor]: Taking taylor expansion of 0 in z
0.078 * [taylor]: Taking taylor expansion of 0 in z
0.082 * [taylor]: Taking taylor expansion of 0 in y
0.082 * [taylor]: Taking taylor expansion of 0 in z
0.082 * [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
0.084 * [approximate]: Taking taylor expansion of (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x))) in (x y z) around 0
0.085 * [taylor]: Taking taylor expansion of (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x))) in z
0.085 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ 1 (* z y))) (/ 1 x)) in z
0.085 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in z
0.085 * [taylor]: Taking taylor expansion of 4.0 in z
0.085 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in z
0.085 * [taylor]: Taking taylor expansion of (* z y) in z
0.085 * [taylor]: Taking taylor expansion of z in z
0.085 * [taylor]: Taking taylor expansion of y in z
0.085 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.085 * [taylor]: Taking taylor expansion of x in z
0.085 * [taylor]: Taking taylor expansion of (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x))) in y
0.085 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ 1 (* z y))) (/ 1 x)) in y
0.085 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.085 * [taylor]: Taking taylor expansion of 4.0 in y
0.085 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.085 * [taylor]: Taking taylor expansion of (* z y) in y
0.085 * [taylor]: Taking taylor expansion of z in y
0.085 * [taylor]: Taking taylor expansion of y in y
0.086 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.086 * [taylor]: Taking taylor expansion of x in y
0.086 * [taylor]: Taking taylor expansion of (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x))) in x
0.086 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ 1 (* z y))) (/ 1 x)) in x
0.086 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.086 * [taylor]: Taking taylor expansion of 4.0 in x
0.086 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.086 * [taylor]: Taking taylor expansion of (* z y) in x
0.086 * [taylor]: Taking taylor expansion of z in x
0.086 * [taylor]: Taking taylor expansion of y in x
0.086 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.086 * [taylor]: Taking taylor expansion of x in x
0.086 * [taylor]: Taking taylor expansion of (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x))) in x
0.086 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ 1 (* z y))) (/ 1 x)) in x
0.086 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.086 * [taylor]: Taking taylor expansion of 4.0 in x
0.086 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.086 * [taylor]: Taking taylor expansion of (* z y) in x
0.086 * [taylor]: Taking taylor expansion of z in x
0.086 * [taylor]: Taking taylor expansion of y in x
0.086 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.086 * [taylor]: Taking taylor expansion of x in x
0.087 * [taylor]: Taking taylor expansion of -1 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 (/ 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
0.088 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 z))) in z
0.089 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in z
0.089 * [taylor]: Taking taylor expansion of 4.0 in z
0.089 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.089 * [taylor]: Taking taylor expansion of z in z
0.090 * [taylor]: Taking taylor expansion of -1 in z
0.091 * [taylor]: Taking taylor expansion of 0 in y
0.092 * [taylor]: Taking taylor expansion of 0 in z
0.092 * [taylor]: Taking taylor expansion of 0 in z
0.095 * [taylor]: Taking taylor expansion of 0 in y
0.096 * [taylor]: Taking taylor expansion of 0 in z
0.097 * [taylor]: Taking taylor expansion of 0 in z
0.097 * [taylor]: Taking taylor expansion of 0 in z
0.101 * [taylor]: Taking taylor expansion of 0 in y
0.101 * [taylor]: Taking taylor expansion of 0 in z
0.101 * [taylor]: Taking taylor expansion of 0 in z
0.103 * [taylor]: Taking taylor expansion of 0 in z
0.103 * [taylor]: Taking taylor expansion of 0 in z
0.103 * * * [progress]: simplifying candidates
0.104 * [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)))
0.106 * * [simplify]: iteration  0 :  45  enodes  (cost  273 )
0.116 * * [simplify]: iteration  1 :  109  enodes  (cost  265 )
0.147 * * [simplify]: iteration  2 :  404  enodes  (cost  233 )
0.381 * * [simplify]: iteration  3 :  1915  enodes  (cost  229 )
2.202 * * [simplify]: iteration  done :  5000  enodes  (cost  226 )
2.203 * [simplify]: Simplified to:
   (fma (- (* 4.0 z)) y (pow (cbrt x) 3))
  (* 4.0 (* z (- y y)))
  (- x (* 4.0 (* z y)))
  (* 4.0 (* z (- y y)))
  (- x (* 4.0 (* z y)))
  (* 4.0 (* z (- y 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 (* (* 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)))
  (pow (- x (* 4.0 (* z y))) 3)
  (sqrt (- x (* (* y 4.0) z)))
  (sqrt (- x (* (* y 4.0) z)))
  (- (pow x 3) (pow (* (* y 4.0) z) 3))
  (fma x x (* (fma y (* 4.0 z) x) (* 4.0 (* z y))))
  (- (* z (* y 4.0)))
  (* (fma y (* 4.0 z) x) (- x (* 4.0 (* z y))))
  (fma y (* 4.0 z) x)
  (- (* z (* y 4.0)))
  x
  (- x (* 4.0 (* z y)))
  (- x (* 4.0 (* z y)))
2.203 * * * [progress]: adding candidates to table
2.257 * * [progress]: iteration 2 / 4
2.257 * * * [progress]: picking best candidate
2.260 * * * * [pick]: Picked  #<alt (λ (x y z) (+ (fma (- (* 4.0 z)) y (pow (cbrt x) 3)) (* 4.0 (* z (- y y)))))>
2.260 * * * [progress]: localizing error
2.273 * * * [progress]: generating rewritten candidates
2.273 * * * * [progress]: [ 1 / 2 ] rewriting at (2 1 3)
2.275 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1 3 1)
2.277 * * * [progress]: generating series expansions
2.277 * * * * [progress]: [ 1 / 2 ] generating series at (2 1 3)
2.277 * [approximate]: Taking taylor expansion of (pow (pow x 1/3) 3) in (x) around 0
2.277 * [taylor]: Taking taylor expansion of (pow (pow x 1/3) 3) in x
2.277 * [taylor]: Taking taylor expansion of (pow x 1/3) in x
2.277 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log x))) in x
2.277 * [taylor]: Taking taylor expansion of (* 1/3 (log x)) in x
2.277 * [taylor]: Taking taylor expansion of 1/3 in x
2.277 * [taylor]: Taking taylor expansion of (log x) in x
2.277 * [taylor]: Taking taylor expansion of x in x
2.279 * [taylor]: Taking taylor expansion of (pow (pow x 1/3) 3) in x
2.279 * [taylor]: Taking taylor expansion of (pow x 1/3) in x
2.279 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log x))) in x
2.279 * [taylor]: Taking taylor expansion of (* 1/3 (log x)) in x
2.279 * [taylor]: Taking taylor expansion of 1/3 in x
2.279 * [taylor]: Taking taylor expansion of (log x) in x
2.279 * [taylor]: Taking taylor expansion of x in x
2.344 * [approximate]: Taking taylor expansion of (pow (pow (/ 1 x) 1/3) 3) in (x) around 0
2.344 * [taylor]: Taking taylor expansion of (pow (pow (/ 1 x) 1/3) 3) in x
2.344 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 1/3) in x
2.344 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (/ 1 x)))) in x
2.344 * [taylor]: Taking taylor expansion of (* 1/3 (log (/ 1 x))) in x
2.344 * [taylor]: Taking taylor expansion of 1/3 in x
2.344 * [taylor]: Taking taylor expansion of (log (/ 1 x)) in x
2.344 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.344 * [taylor]: Taking taylor expansion of x in x
2.345 * [taylor]: Taking taylor expansion of (pow (pow (/ 1 x) 1/3) 3) in x
2.345 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 1/3) in x
2.345 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (/ 1 x)))) in x
2.345 * [taylor]: Taking taylor expansion of (* 1/3 (log (/ 1 x))) in x
2.345 * [taylor]: Taking taylor expansion of 1/3 in x
2.345 * [taylor]: Taking taylor expansion of (log (/ 1 x)) in x
2.345 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.345 * [taylor]: Taking taylor expansion of x in x
2.409 * [approximate]: Taking taylor expansion of (pow (* (cbrt -1) (pow (/ 1 x) 1/3)) 3) in (x) around 0
2.409 * [taylor]: Taking taylor expansion of (pow (* (cbrt -1) (pow (/ 1 x) 1/3)) 3) in x
2.409 * [taylor]: Taking taylor expansion of (* (cbrt -1) (pow (/ 1 x) 1/3)) in x
2.409 * [taylor]: Taking taylor expansion of (cbrt -1) in x
2.409 * [taylor]: Taking taylor expansion of -1 in x
2.410 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 1/3) in x
2.410 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (/ 1 x)))) in x
2.410 * [taylor]: Taking taylor expansion of (* 1/3 (log (/ 1 x))) in x
2.410 * [taylor]: Taking taylor expansion of 1/3 in x
2.410 * [taylor]: Taking taylor expansion of (log (/ 1 x)) in x
2.410 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.410 * [taylor]: Taking taylor expansion of x in x
2.418 * [taylor]: Taking taylor expansion of (pow (* (cbrt -1) (pow (/ 1 x) 1/3)) 3) in x
2.418 * [taylor]: Taking taylor expansion of (* (cbrt -1) (pow (/ 1 x) 1/3)) in x
2.418 * [taylor]: Taking taylor expansion of (cbrt -1) in x
2.418 * [taylor]: Taking taylor expansion of -1 in x
2.419 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 1/3) in x
2.419 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (/ 1 x)))) in x
2.419 * [taylor]: Taking taylor expansion of (* 1/3 (log (/ 1 x))) in x
2.419 * [taylor]: Taking taylor expansion of 1/3 in x
2.419 * [taylor]: Taking taylor expansion of (log (/ 1 x)) in x
2.419 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.419 * [taylor]: Taking taylor expansion of x in x
2.513 * * * * [progress]: [ 2 / 2 ] generating series at (2 1 3 1)
2.513 * [approximate]: Taking taylor expansion of (pow x 1/3) in (x) around 0
2.513 * [taylor]: Taking taylor expansion of (pow x 1/3) in x
2.513 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log x))) in x
2.513 * [taylor]: Taking taylor expansion of (* 1/3 (log x)) in x
2.513 * [taylor]: Taking taylor expansion of 1/3 in x
2.513 * [taylor]: Taking taylor expansion of (log x) in x
2.513 * [taylor]: Taking taylor expansion of x in x
2.514 * [taylor]: Taking taylor expansion of (pow x 1/3) in x
2.514 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log x))) in x
2.514 * [taylor]: Taking taylor expansion of (* 1/3 (log x)) in x
2.514 * [taylor]: Taking taylor expansion of 1/3 in x
2.514 * [taylor]: Taking taylor expansion of (log x) in x
2.514 * [taylor]: Taking taylor expansion of x in x
2.564 * [approximate]: Taking taylor expansion of (pow (/ 1 x) 1/3) in (x) around 0
2.565 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 1/3) in x
2.565 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (/ 1 x)))) in x
2.565 * [taylor]: Taking taylor expansion of (* 1/3 (log (/ 1 x))) in x
2.565 * [taylor]: Taking taylor expansion of 1/3 in x
2.565 * [taylor]: Taking taylor expansion of (log (/ 1 x)) in x
2.565 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.565 * [taylor]: Taking taylor expansion of x in x
2.566 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 1/3) in x
2.566 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (/ 1 x)))) in x
2.566 * [taylor]: Taking taylor expansion of (* 1/3 (log (/ 1 x))) in x
2.566 * [taylor]: Taking taylor expansion of 1/3 in x
2.566 * [taylor]: Taking taylor expansion of (log (/ 1 x)) in x
2.566 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.566 * [taylor]: Taking taylor expansion of x in x
2.627 * [approximate]: Taking taylor expansion of (* (cbrt -1) (pow (/ 1 x) 1/3)) in (x) around 0
2.627 * [taylor]: Taking taylor expansion of (* (cbrt -1) (pow (/ 1 x) 1/3)) in x
2.627 * [taylor]: Taking taylor expansion of (cbrt -1) in x
2.627 * [taylor]: Taking taylor expansion of -1 in x
2.628 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 1/3) in x
2.628 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (/ 1 x)))) in x
2.628 * [taylor]: Taking taylor expansion of (* 1/3 (log (/ 1 x))) in x
2.628 * [taylor]: Taking taylor expansion of 1/3 in x
2.628 * [taylor]: Taking taylor expansion of (log (/ 1 x)) in x
2.628 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.628 * [taylor]: Taking taylor expansion of x in x
2.629 * [taylor]: Taking taylor expansion of (* (cbrt -1) (pow (/ 1 x) 1/3)) in x
2.629 * [taylor]: Taking taylor expansion of (cbrt -1) in x
2.629 * [taylor]: Taking taylor expansion of -1 in x
2.630 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 1/3) in x
2.630 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (/ 1 x)))) in x
2.630 * [taylor]: Taking taylor expansion of (* 1/3 (log (/ 1 x))) in x
2.630 * [taylor]: Taking taylor expansion of 1/3 in x
2.630 * [taylor]: Taking taylor expansion of (log (/ 1 x)) in x
2.630 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.630 * [taylor]: Taking taylor expansion of x in x
2.702 * * * [progress]: simplifying candidates
2.702 * [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))
2.704 * * [simplify]: iteration  0 :  56  enodes  (cost  313 )
2.722 * * [simplify]: iteration  1 :  130  enodes  (cost  190 )
2.756 * * [simplify]: iteration  2 :  261  enodes  (cost  169 )
2.814 * * [simplify]: iteration  3 :  641  enodes  (cost  169 )
3.224 * * [simplify]: iteration  4 :  2117  enodes  (cost  165 )
4.241 * * [simplify]: iteration  done :  5000  enodes  (cost  165 )
4.242 * [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)))
4.242 * * * [progress]: adding candidates to table
4.351 * [progress]: [Phase 3 of 3] Extracting.
4.351 * * [regime]: Finding splitpoints for: (#<alt (λ (x y z) (- x (* (* y 4.0) z)))> #<alt (λ (x y z) (+ (fma (- (* 4.0 z)) y (pow (cbrt x) 3)) (* 4.0 (* z (- y y)))))>)
4.352 * * * [regime-changes]: Trying 6 branch expressions: ((* y 4.0) (* (* y 4.0) z) (- x (* (* y 4.0) z)) z y x)
4.352 * * * * [regimes]: Trying to branch on (* y 4.0) from (#<alt (λ (x y z) (- x (* (* y 4.0) z)))> #<alt (λ (x y z) (+ (fma (- (* 4.0 z)) y (pow (cbrt x) 3)) (* 4.0 (* z (- y y)))))>)
4.366 * * * * [regimes]: Trying to branch on (* (* y 4.0) z) from (#<alt (λ (x y z) (- x (* (* y 4.0) z)))> #<alt (λ (x y z) (+ (fma (- (* 4.0 z)) y (pow (cbrt x) 3)) (* 4.0 (* z (- y y)))))>)
4.383 * * * * [regimes]: Trying to branch on (- x (* (* y 4.0) z)) from (#<alt (λ (x y z) (- x (* (* y 4.0) z)))> #<alt (λ (x y z) (+ (fma (- (* 4.0 z)) y (pow (cbrt x) 3)) (* 4.0 (* z (- y y)))))>)
4.398 * * * * [regimes]: Trying to branch on z from (#<alt (λ (x y z) (- x (* (* y 4.0) z)))> #<alt (λ (x y z) (+ (fma (- (* 4.0 z)) y (pow (cbrt x) 3)) (* 4.0 (* z (- y y)))))>)
4.412 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y z) (- x (* (* y 4.0) z)))> #<alt (λ (x y z) (+ (fma (- (* 4.0 z)) y (pow (cbrt x) 3)) (* 4.0 (* z (- y y)))))>)
4.428 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y z) (- x (* (* y 4.0) z)))> #<alt (λ (x y z) (+ (fma (- (* 4.0 z)) y (pow (cbrt x) 3)) (* 4.0 (* z (- y y)))))>)
4.442 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
4.442 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- x (* (* y 4.0) z))
4.442 * * [simplify]: iteration  0 :  7  enodes  (cost  7 )
4.442 * * [simplify]: iteration  1 :  9  enodes  (cost  7 )
4.443 * * [simplify]: iteration  done :  9  enodes  (cost  7 )
4.443 * [simplify]: Simplified to:
   (- x (* (* y 4.0) z))
4.905 * [regime-testing]: Baseline error score: 0.038077880047596095
4.905 * [regime-testing]: Oracle error score: 0.0005731919615853426
4.906 * [regime-testing]: End program error score: 0.038077880047596095