1.536 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.030 * * * [progress]: [2/2] Setting up program.
0.049 * [progress]: [Phase 2 of 3] Improving.
0.052 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (* (+ x 1.0) (+ x 1.0)) 1.0)
0.055 * * [simplify]: iteration  0 :  5  enodes  (cost  9 )
0.058 * * [simplify]: iteration  1 :  14  enodes  (cost  9 )
0.061 * * [simplify]: iteration  2 :  32  enodes  (cost  9 )
0.067 * * [simplify]: iteration  3 :  69  enodes  (cost  9 )
0.083 * * [simplify]: iteration  4 :  155  enodes  (cost  9 )
0.134 * * [simplify]: iteration  5 :  257  enodes  (cost  9 )
0.233 * * [simplify]: iteration  6 :  369  enodes  (cost  9 )
0.388 * * [simplify]: iteration  7 :  599  enodes  (cost  9 )
0.973 * * [simplify]: iteration  8 :  1262  enodes  (cost  9 )
1.700 * * [simplify]: iteration  9 :  1759  enodes  (cost  9 )
2.423 * * [simplify]: iteration  10 :  2091  enodes  (cost  9 )
3.321 * * [simplify]: iteration  11 :  2352  enodes  (cost  9 )
4.320 * * [simplify]: iteration  12 :  2574  enodes  (cost  9 )
5.238 * * [simplify]: iteration  13 :  2839  enodes  (cost  9 )
7.238 * * [simplify]: iteration  14 :  4021  enodes  (cost  9 )
8.258 * * [simplify]: iteration  15 :  4069  enodes  (cost  9 )
9.390 * * [simplify]: iteration  16 :  4126  enodes  (cost  9 )
10.656 * * [simplify]: iteration  17 :  4150  enodes  (cost  9 )
11.958 * * [simplify]: iteration  done :  4150  enodes  (cost  9 )
11.958 * [simplify]: Simplified to:
   (- (* (+ x 1.0) (+ x 1.0)) 1.0)
11.960 * * [progress]: iteration 1 / 4
11.960 * * * [progress]: picking best candidate
11.962 * * * * [pick]: Picked  #<alt (λ (x) (- (* (+ x 1.0) (+ x 1.0)) 1.0))>
11.962 * * * [progress]: localizing error
11.967 * * * [progress]: generating rewritten candidates
11.968 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
11.978 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
11.988 * * * [progress]: generating series expansions
11.989 * * * * [progress]: [ 1 / 2 ] generating series at (2)
11.999 * [approximate]: Taking taylor expansion of (+ (* 2.0 x) (pow x 2)) in (x) around 0
12.000 * [taylor]: Taking taylor expansion of (+ (* 2.0 x) (pow x 2)) in x
12.000 * [taylor]: Taking taylor expansion of (* 2.0 x) in x
12.001 * [taylor]: Taking taylor expansion of 2.0 in x
12.001 * [taylor]: Taking taylor expansion of x in x
12.001 * [taylor]: Taking taylor expansion of (pow x 2) in x
12.001 * [taylor]: Taking taylor expansion of x in x
12.001 * [taylor]: Taking taylor expansion of (+ (* 2.0 x) (pow x 2)) in x
12.001 * [taylor]: Taking taylor expansion of (* 2.0 x) in x
12.001 * [taylor]: Taking taylor expansion of 2.0 in x
12.001 * [taylor]: Taking taylor expansion of x in x
12.001 * [taylor]: Taking taylor expansion of (pow x 2) in x
12.001 * [taylor]: Taking taylor expansion of x in x
12.004 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in (x) around 0
12.004 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
12.004 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
12.004 * [taylor]: Taking taylor expansion of (pow x 2) in x
12.004 * [taylor]: Taking taylor expansion of x in x
12.004 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
12.004 * [taylor]: Taking taylor expansion of 2.0 in x
12.004 * [taylor]: Taking taylor expansion of (/ 1 x) in x
12.004 * [taylor]: Taking taylor expansion of x in x
12.004 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
12.004 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
12.004 * [taylor]: Taking taylor expansion of (pow x 2) in x
12.004 * [taylor]: Taking taylor expansion of x in x
12.004 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
12.004 * [taylor]: Taking taylor expansion of 2.0 in x
12.004 * [taylor]: Taking taylor expansion of (/ 1 x) in x
12.004 * [taylor]: Taking taylor expansion of x in x
12.006 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in (x) around 0
12.006 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
12.006 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
12.006 * [taylor]: Taking taylor expansion of (pow x 2) in x
12.006 * [taylor]: Taking taylor expansion of x in x
12.006 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
12.006 * [taylor]: Taking taylor expansion of 2.0 in x
12.006 * [taylor]: Taking taylor expansion of (/ 1 x) in x
12.006 * [taylor]: Taking taylor expansion of x in x
12.006 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
12.006 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
12.006 * [taylor]: Taking taylor expansion of (pow x 2) in x
12.006 * [taylor]: Taking taylor expansion of x in x
12.006 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
12.006 * [taylor]: Taking taylor expansion of 2.0 in x
12.006 * [taylor]: Taking taylor expansion of (/ 1 x) in x
12.006 * [taylor]: Taking taylor expansion of x in x
12.008 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
12.008 * [approximate]: Taking taylor expansion of (pow (+ x 1.0) 2) in (x) around 0
12.008 * [taylor]: Taking taylor expansion of (pow (+ x 1.0) 2) in x
12.008 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
12.008 * [taylor]: Taking taylor expansion of x in x
12.008 * [taylor]: Taking taylor expansion of 1.0 in x
12.008 * [taylor]: Taking taylor expansion of (pow (+ x 1.0) 2) in x
12.008 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
12.008 * [taylor]: Taking taylor expansion of x in x
12.008 * [taylor]: Taking taylor expansion of 1.0 in x
12.009 * [approximate]: Taking taylor expansion of (pow (+ (/ 1 x) 1.0) 2) in (x) around 0
12.009 * [taylor]: Taking taylor expansion of (pow (+ (/ 1 x) 1.0) 2) in x
12.009 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
12.009 * [taylor]: Taking taylor expansion of (/ 1 x) in x
12.009 * [taylor]: Taking taylor expansion of x in x
12.009 * [taylor]: Taking taylor expansion of 1.0 in x
12.009 * [taylor]: Taking taylor expansion of (pow (+ (/ 1 x) 1.0) 2) in x
12.009 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
12.009 * [taylor]: Taking taylor expansion of (/ 1 x) in x
12.009 * [taylor]: Taking taylor expansion of x in x
12.009 * [taylor]: Taking taylor expansion of 1.0 in x
12.009 * [approximate]: Taking taylor expansion of (pow (- 1.0 (/ 1 x)) 2) in (x) around 0
12.009 * [taylor]: Taking taylor expansion of (pow (- 1.0 (/ 1 x)) 2) in x
12.010 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
12.010 * [taylor]: Taking taylor expansion of 1.0 in x
12.010 * [taylor]: Taking taylor expansion of (/ 1 x) in x
12.010 * [taylor]: Taking taylor expansion of x in x
12.010 * [taylor]: Taking taylor expansion of (pow (- 1.0 (/ 1 x)) 2) in x
12.010 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
12.010 * [taylor]: Taking taylor expansion of 1.0 in x
12.010 * [taylor]: Taking taylor expansion of (/ 1 x) in x
12.010 * [taylor]: Taking taylor expansion of x in x
12.010 * * * [progress]: simplifying candidates
12.011 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ (exp (* (+ x 1.0) (+ x 1.0))) (exp 1.0))
  (log (- (* (+ x 1.0) (+ x 1.0)) 1.0))
  (exp (- (* (+ x 1.0) (+ x 1.0)) 1.0))
  (* (cbrt (- (* (+ x 1.0) (+ x 1.0)) 1.0)) (cbrt (- (* (+ x 1.0) (+ x 1.0)) 1.0)))
  (cbrt (- (* (+ x 1.0) (+ x 1.0)) 1.0))
  (* (* (- (* (+ x 1.0) (+ x 1.0)) 1.0) (- (* (+ x 1.0) (+ x 1.0)) 1.0)) (- (* (+ x 1.0) (+ x 1.0)) 1.0))
  (sqrt (- (* (+ x 1.0) (+ x 1.0)) 1.0))
  (sqrt (- (* (+ x 1.0) (+ x 1.0)) 1.0))
  (- (pow (* (+ x 1.0) (+ x 1.0)) 3) (pow 1.0 3))
  (+ (* (* (+ x 1.0) (+ x 1.0)) (* (+ x 1.0) (+ x 1.0))) (+ (* 1.0 1.0) (* (* (+ x 1.0) (+ x 1.0)) 1.0)))
  (neg 1.0)
  (- (* (* (+ x 1.0) (+ x 1.0)) (* (+ x 1.0) (+ x 1.0))) (* 1.0 1.0))
  (+ (* (+ x 1.0) (+ x 1.0)) 1.0)
  (+ (+ x 1.0) (sqrt 1.0))
  (- (+ x 1.0) (sqrt 1.0))
  (- (* (+ x 1.0) 1.0) 1.0)
  (- (* 1.0 (+ x 1.0)) 1.0)
  (neg 1.0)
  (+ 1 1)
  (* (+ x 1.0) (+ x 1.0))
  (+ 1 1)
  (+ (log (+ x 1.0)) (log (+ x 1.0)))
  (log (* (+ x 1.0) (+ x 1.0)))
  (exp (* (+ x 1.0) (+ x 1.0)))
  (* (* (* (+ x 1.0) (+ x 1.0)) (+ x 1.0)) (* (* (+ x 1.0) (+ x 1.0)) (+ x 1.0)))
  (* (cbrt (* (+ x 1.0) (+ x 1.0))) (cbrt (* (+ x 1.0) (+ x 1.0))))
  (cbrt (* (+ x 1.0) (+ x 1.0)))
  (* (* (* (+ x 1.0) (+ x 1.0)) (* (+ x 1.0) (+ x 1.0))) (* (+ x 1.0) (+ x 1.0)))
  (sqrt (* (+ x 1.0) (+ x 1.0)))
  (sqrt (* (+ x 1.0) (+ x 1.0)))
  (* (+ (pow x 3) (pow 1.0 3)) (+ (pow x 3) (pow 1.0 3)))
  (* (+ (* x x) (- (* 1.0 1.0) (* x 1.0))) (+ (* x x) (- (* 1.0 1.0) (* x 1.0))))
  (* (+ (pow x 3) (pow 1.0 3)) (- (* x x) (* 1.0 1.0)))
  (* (+ (* x x) (- (* 1.0 1.0) (* x 1.0))) (- x 1.0))
  (* (- (* x x) (* 1.0 1.0)) (+ (pow x 3) (pow 1.0 3)))
  (* (- x 1.0) (+ (* x x) (- (* 1.0 1.0) (* x 1.0))))
  (* (- (* x x) (* 1.0 1.0)) (- (* x x) (* 1.0 1.0)))
  (* (- x 1.0) (- x 1.0))
  (* (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))))
  (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0)))
  (* (sqrt (+ x 1.0)) (sqrt (+ x 1.0)))
  (* (sqrt (+ x 1.0)) (sqrt (+ x 1.0)))
  (* 1 1)
  (* (+ x 1.0) (+ x 1.0))
  (* 1 1)
  (* (+ x 1.0) (+ x 1.0))
  (* 1 1)
  (* (+ x 1.0) (+ x 1.0))
  (* 1 1)
  (* (+ x 1.0) (+ x 1.0))
  (* (sqrt (+ x 1.0)) (sqrt (+ x 1.0)))
  (* (sqrt (+ x 1.0)) (sqrt (+ x 1.0)))
  (* 2 1)
  (* (+ x 1.0) x)
  (* (+ x 1.0) 1.0)
  (* x (+ x 1.0))
  (* 1.0 (+ x 1.0))
  (* (+ x 1.0) (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))))
  (* (+ x 1.0) (sqrt (+ x 1.0)))
  (* (+ x 1.0) 1)
  (* (+ x 1.0) 1)
  (* (cbrt (+ x 1.0)) (+ x 1.0))
  (* (sqrt (+ x 1.0)) (+ x 1.0))
  (* (+ x 1.0) (+ x 1.0))
  (* (+ x 1.0) (+ x 1.0))
  (* (+ x 1.0) (+ (pow x 3) (pow 1.0 3)))
  (* (+ x 1.0) (- (* x x) (* 1.0 1.0)))
  (* (+ (pow x 3) (pow 1.0 3)) (+ x 1.0))
  (* (- (* x x) (* 1.0 1.0)) (+ x 1.0))
  (+ (* 2.0 x) (pow x 2))
  (+ (* 2.0 x) (pow x 2))
  (+ (* 2.0 x) (pow x 2))
  (+ (* 2.0 x) (+ (pow x 2) 1.0))
  (+ (* 2.0 x) (+ (pow x 2) 1.0))
  (+ (* 2.0 x) (+ (pow x 2) 1.0))
12.014 * * [simplify]: iteration  0 :  86  enodes  (cost  736 )
12.029 * * [simplify]: iteration  1 :  229  enodes  (cost  642 )
12.090 * * [simplify]: iteration  2 :  839  enodes  (cost  576 )
13.284 * * [simplify]: iteration  3 :  4106  enodes  (cost  534 )
14.426 * * [simplify]: iteration  done :  5001  enodes  (cost  534 )
14.427 * [simplify]: Simplified to:
   (exp (- (pow (sqrt (+ x 1.0)) 4) 1.0))
  (log (- (pow (sqrt (+ x 1.0)) 4) 1.0))
  (exp (- (pow (sqrt (+ x 1.0)) 4) 1.0))
  (* (cbrt (- (pow (sqrt (+ x 1.0)) 4) 1.0)) (cbrt (- (pow (sqrt (+ x 1.0)) 4) 1.0)))
  (cbrt (- (pow (sqrt (+ x 1.0)) 4) 1.0))
  (pow (- (pow (sqrt (+ x 1.0)) 4) 1.0) 3)
  (sqrt (- (pow (sqrt (+ x 1.0)) 4) 1.0))
  (sqrt (- (pow (sqrt (+ x 1.0)) 4) 1.0))
  (- (pow (+ x 1.0) 6) (pow 1.0 3))
  (+ (* (+ (pow (sqrt (+ x 1.0)) 4) 1.0) 1.0) (pow (+ x 1.0) 4))
  (neg 1.0)
  (- (pow (+ x 1.0) 4) (* 1.0 1.0))
  (+ (pow (sqrt (+ x 1.0)) 4) 1.0)
  (+ (+ x 1.0) (sqrt 1.0))
  (- (+ x 1.0) (sqrt 1.0))
  (- (* (+ x 1.0) 1.0) 1.0)
  (- (* (+ x 1.0) 1.0) 1.0)
  (neg 1.0)
  2
  (pow (sqrt (+ x 1.0)) 4)
  2
  (* 2 (log (+ x 1.0)))
  (* 2 (log (+ x 1.0)))
  (exp (pow (sqrt (+ x 1.0)) 4))
  (pow (+ x 1.0) 6)
  (* (cbrt (pow (sqrt (+ x 1.0)) 4)) (cbrt (pow (sqrt (+ x 1.0)) 4)))
  (cbrt (pow (sqrt (+ x 1.0)) 4))
  (pow (+ x 1.0) 6)
  (fabs (+ x 1.0))
  (fabs (+ x 1.0))
  (* (+ (pow x 3) (pow 1.0 3)) (+ (pow x 3) (pow 1.0 3)))
  (* (+ (* x x) (* 1.0 (- 1.0 x))) (+ (* x x) (* 1.0 (- 1.0 x))))
  (* (- (* x x) (* 1.0 1.0)) (+ (pow x 3) (pow 1.0 3)))
  (* (- x 1.0) (+ (* x x) (* 1.0 (- 1.0 x))))
  (* (- (* x x) (* 1.0 1.0)) (+ (pow x 3) (pow 1.0 3)))
  (* (- x 1.0) (+ (* x x) (* 1.0 (- 1.0 x))))
  (* (* (- x 1.0) (- x 1.0)) (pow (sqrt (+ x 1.0)) 4))
  (* (- x 1.0) (- x 1.0))
  (pow (cbrt (+ x 1.0)) 4)
  (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0)))
  (+ x 1.0)
  (+ x 1.0)
  1
  (pow (sqrt (+ x 1.0)) 4)
  1
  (pow (sqrt (+ x 1.0)) 4)
  1
  (pow (sqrt (+ x 1.0)) 4)
  1
  (pow (sqrt (+ x 1.0)) 4)
  (+ x 1.0)
  (+ x 1.0)
  2
  (* x (+ x 1.0))
  (* (+ x 1.0) 1.0)
  (* x (+ x 1.0))
  (* (+ x 1.0) 1.0)
  (* (cbrt (+ x 1.0)) (pow (cbrt (+ x 1.0)) 4))
  (pow (sqrt (+ x 1.0)) 3)
  (+ x 1.0)
  (+ x 1.0)
  (pow (cbrt (+ x 1.0)) 4)
  (pow (sqrt (+ x 1.0)) 3)
  (pow (sqrt (+ x 1.0)) 4)
  (pow (sqrt (+ x 1.0)) 4)
  (* (+ (pow x 3) (pow 1.0 3)) (+ x 1.0))
  (* (- x 1.0) (pow (sqrt (+ x 1.0)) 4))
  (* (+ (pow x 3) (pow 1.0 3)) (+ x 1.0))
  (* (- x 1.0) (pow (sqrt (+ x 1.0)) 4))
  (* x (+ 2.0 x))
  (* x (+ 2.0 x))
  (* x (+ 2.0 x))
  (+ (* x (+ 2.0 x)) 1.0)
  (+ (* x (+ 2.0 x)) 1.0)
  (+ (* x (+ 2.0 x)) 1.0)
14.427 * * * [progress]: adding candidates to table
14.504 * * [progress]: iteration 2 / 4
14.504 * * * [progress]: picking best candidate
14.505 * * * * [pick]: Picked  #<alt (λ (x) (* x (+ 2.0 x)))>
14.505 * * * [progress]: localizing error
14.511 * * * [progress]: generating rewritten candidates
14.511 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
14.517 * * * [progress]: generating series expansions
14.517 * * * * [progress]: [ 1 / 1 ] generating series at (2)
14.517 * [approximate]: Taking taylor expansion of (* x (+ x 2.0)) in (x) around 0
14.517 * [taylor]: Taking taylor expansion of (* x (+ x 2.0)) in x
14.517 * [taylor]: Taking taylor expansion of x in x
14.517 * [taylor]: Taking taylor expansion of (+ x 2.0) in x
14.517 * [taylor]: Taking taylor expansion of x in x
14.517 * [taylor]: Taking taylor expansion of 2.0 in x
14.517 * [taylor]: Taking taylor expansion of (* x (+ x 2.0)) in x
14.517 * [taylor]: Taking taylor expansion of x in x
14.517 * [taylor]: Taking taylor expansion of (+ x 2.0) in x
14.517 * [taylor]: Taking taylor expansion of x in x
14.517 * [taylor]: Taking taylor expansion of 2.0 in x
14.518 * [approximate]: Taking taylor expansion of (/ (+ (/ 1 x) 2.0) x) in (x) around 0
14.518 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 x) 2.0) x) in x
14.518 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 2.0) in x
14.518 * [taylor]: Taking taylor expansion of (/ 1 x) in x
14.518 * [taylor]: Taking taylor expansion of x in x
14.518 * [taylor]: Taking taylor expansion of 2.0 in x
14.518 * [taylor]: Taking taylor expansion of x in x
14.518 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 x) 2.0) x) in x
14.518 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 2.0) in x
14.518 * [taylor]: Taking taylor expansion of (/ 1 x) in x
14.518 * [taylor]: Taking taylor expansion of x in x
14.518 * [taylor]: Taking taylor expansion of 2.0 in x
14.518 * [taylor]: Taking taylor expansion of x in x
14.520 * [approximate]: Taking taylor expansion of (* -1 (/ (- 2.0 (/ 1 x)) x)) in (x) around 0
14.520 * [taylor]: Taking taylor expansion of (* -1 (/ (- 2.0 (/ 1 x)) x)) in x
14.520 * [taylor]: Taking taylor expansion of -1 in x
14.520 * [taylor]: Taking taylor expansion of (/ (- 2.0 (/ 1 x)) x) in x
14.520 * [taylor]: Taking taylor expansion of (- 2.0 (/ 1 x)) in x
14.520 * [taylor]: Taking taylor expansion of 2.0 in x
14.520 * [taylor]: Taking taylor expansion of (/ 1 x) in x
14.520 * [taylor]: Taking taylor expansion of x in x
14.520 * [taylor]: Taking taylor expansion of x in x
14.520 * [taylor]: Taking taylor expansion of (* -1 (/ (- 2.0 (/ 1 x)) x)) in x
14.520 * [taylor]: Taking taylor expansion of -1 in x
14.520 * [taylor]: Taking taylor expansion of (/ (- 2.0 (/ 1 x)) x) in x
14.520 * [taylor]: Taking taylor expansion of (- 2.0 (/ 1 x)) in x
14.520 * [taylor]: Taking taylor expansion of 2.0 in x
14.520 * [taylor]: Taking taylor expansion of (/ 1 x) in x
14.520 * [taylor]: Taking taylor expansion of x in x
14.520 * [taylor]: Taking taylor expansion of x in x
14.522 * * * [progress]: simplifying candidates
14.522 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* x (+ 2.0 x))
  (+ (log x) (log (+ 2.0 x)))
  (log (* x (+ 2.0 x)))
  (exp (* x (+ 2.0 x)))
  (* (* (* x x) x) (* (* (+ 2.0 x) (+ 2.0 x)) (+ 2.0 x)))
  (* (cbrt (* x (+ 2.0 x))) (cbrt (* x (+ 2.0 x))))
  (cbrt (* x (+ 2.0 x)))
  (* (* (* x (+ 2.0 x)) (* x (+ 2.0 x))) (* x (+ 2.0 x)))
  (sqrt (* x (+ 2.0 x)))
  (sqrt (* x (+ 2.0 x)))
  (* (sqrt x) (sqrt (+ 2.0 x)))
  (* (sqrt x) (sqrt (+ 2.0 x)))
  (* x 2.0)
  (* x x)
  (* 2.0 x)
  (* x x)
  (* x (* (cbrt (+ 2.0 x)) (cbrt (+ 2.0 x))))
  (* x (sqrt (+ 2.0 x)))
  (* x 1)
  (* x 1)
  (* (cbrt x) (+ 2.0 x))
  (* (sqrt x) (+ 2.0 x))
  (* x (+ 2.0 x))
  (* x (+ (pow 2.0 3) (pow x 3)))
  (* x (- (* 2.0 2.0) (* x x)))
  (+ (* 2.0 x) (pow x 2))
  (+ (* 2.0 x) (pow x 2))
  (+ (* 2.0 x) (pow x 2))
14.523 * * [simplify]: iteration  0 :  44  enodes  (cost  194 )
14.534 * * [simplify]: iteration  1 :  122  enodes  (cost  181 )
14.555 * * [simplify]: iteration  2 :  324  enodes  (cost  163 )
14.691 * * [simplify]: iteration  3 :  1018  enodes  (cost  163 )
16.540 * * [simplify]: iteration  4 :  4111  enodes  (cost  163 )
17.809 * * [simplify]: iteration  done :  5000  enodes  (cost  163 )
17.810 * [simplify]: Simplified to:
   (* x (+ 2.0 x))
  (log (* x (+ 2.0 x)))
  (log (* x (+ 2.0 x)))
  (exp (* x (+ 2.0 x)))
  (pow (* x (+ 2.0 x)) 3)
  (* (cbrt (* x (+ 2.0 x))) (cbrt (* x (+ 2.0 x))))
  (cbrt (* x (+ 2.0 x)))
  (pow (* x (+ 2.0 x)) 3)
  (sqrt (* x (+ 2.0 x)))
  (sqrt (* x (+ 2.0 x)))
  (* (sqrt x) (sqrt (+ 2.0 x)))
  (* (sqrt x) (sqrt (+ 2.0 x)))
  (* x 2.0)
  (* x x)
  (* x 2.0)
  (* x x)
  (* x (* (cbrt (+ 2.0 x)) (cbrt (+ 2.0 x))))
  (* x (sqrt (+ 2.0 x)))
  x
  x
  (* (cbrt x) (+ 2.0 x))
  (* (sqrt x) (+ 2.0 x))
  (* x (+ 2.0 x))
  (* x (+ (pow 2.0 3) (pow x 3)))
  (* x (- (* 2.0 2.0) (* x x)))
  (* x (+ 2.0 x))
  (* x (+ 2.0 x))
  (* x (+ 2.0 x))
17.816 * * * [progress]: adding candidates to table
17.840 * * [progress]: iteration 3 / 4
17.840 * * * [progress]: picking best candidate
17.841 * * * * [pick]: Picked  #<alt (λ (x) (+ (* x 2.0) (* x x)))>
17.841 * * * [progress]: localizing error
17.845 * * * [progress]: generating rewritten candidates
17.845 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
17.849 * * * [progress]: generating series expansions
17.849 * * * * [progress]: [ 1 / 1 ] generating series at (2)
17.849 * [approximate]: Taking taylor expansion of (+ (* 2.0 x) (pow x 2)) in (x) around 0
17.849 * [taylor]: Taking taylor expansion of (+ (* 2.0 x) (pow x 2)) in x
17.849 * [taylor]: Taking taylor expansion of (* 2.0 x) in x
17.849 * [taylor]: Taking taylor expansion of 2.0 in x
17.849 * [taylor]: Taking taylor expansion of x in x
17.849 * [taylor]: Taking taylor expansion of (pow x 2) in x
17.849 * [taylor]: Taking taylor expansion of x in x
17.849 * [taylor]: Taking taylor expansion of (+ (* 2.0 x) (pow x 2)) in x
17.849 * [taylor]: Taking taylor expansion of (* 2.0 x) in x
17.849 * [taylor]: Taking taylor expansion of 2.0 in x
17.849 * [taylor]: Taking taylor expansion of x in x
17.850 * [taylor]: Taking taylor expansion of (pow x 2) in x
17.850 * [taylor]: Taking taylor expansion of x in x
17.851 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in (x) around 0
17.851 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
17.851 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
17.851 * [taylor]: Taking taylor expansion of (pow x 2) in x
17.851 * [taylor]: Taking taylor expansion of x in x
17.851 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
17.851 * [taylor]: Taking taylor expansion of 2.0 in x
17.851 * [taylor]: Taking taylor expansion of (/ 1 x) in x
17.851 * [taylor]: Taking taylor expansion of x in x
17.851 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
17.851 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
17.851 * [taylor]: Taking taylor expansion of (pow x 2) in x
17.851 * [taylor]: Taking taylor expansion of x in x
17.851 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
17.851 * [taylor]: Taking taylor expansion of 2.0 in x
17.851 * [taylor]: Taking taylor expansion of (/ 1 x) in x
17.851 * [taylor]: Taking taylor expansion of x in x
17.853 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in (x) around 0
17.853 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
17.853 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
17.853 * [taylor]: Taking taylor expansion of (pow x 2) in x
17.853 * [taylor]: Taking taylor expansion of x in x
17.853 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
17.853 * [taylor]: Taking taylor expansion of 2.0 in x
17.853 * [taylor]: Taking taylor expansion of (/ 1 x) in x
17.853 * [taylor]: Taking taylor expansion of x in x
17.853 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
17.853 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
17.853 * [taylor]: Taking taylor expansion of (pow x 2) in x
17.853 * [taylor]: Taking taylor expansion of x in x
17.853 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
17.853 * [taylor]: Taking taylor expansion of 2.0 in x
17.853 * [taylor]: Taking taylor expansion of (/ 1 x) in x
17.853 * [taylor]: Taking taylor expansion of x in x
17.855 * * * [progress]: simplifying candidates
17.855 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* (exp (* x 2.0)) (exp (* x x)))
  (log (+ (* x 2.0) (* x x)))
  (exp (+ (* x 2.0) (* x x)))
  (* (cbrt (+ (* x 2.0) (* x x))) (cbrt (+ (* x 2.0) (* x x))))
  (cbrt (+ (* x 2.0) (* x x)))
  (* (* (+ (* x 2.0) (* x x)) (+ (* x 2.0) (* x x))) (+ (* x 2.0) (* x x)))
  (sqrt (+ (* x 2.0) (* x x)))
  (sqrt (+ (* x 2.0) (* x x)))
  (+ (pow (* x 2.0) 3) (pow (* x x) 3))
  (+ (* (* x 2.0) (* x 2.0)) (- (* (* x x) (* x x)) (* (* x 2.0) (* x x))))
  (- (* (* x 2.0) (* x 2.0)) (* (* x x) (* x x)))
  (- (* x 2.0) (* x x))
  (+ 2.0 x)
  (+ (* 2.0 x) (pow x 2))
  (+ (* 2.0 x) (pow x 2))
  (+ (* 2.0 x) (pow x 2))
17.856 * * [simplify]: iteration  0 :  31  enodes  (cost  169 )
17.861 * * [simplify]: iteration  1 :  99  enodes  (cost  130 )
17.903 * * [simplify]: iteration  2 :  349  enodes  (cost  112 )
18.009 * * [simplify]: iteration  3 :  902  enodes  (cost  112 )
18.431 * * [simplify]: iteration  4 :  2080  enodes  (cost  112 )
19.482 * * [simplify]: iteration  done :  5001  enodes  (cost  112 )
19.482 * [simplify]: Simplified to:
   (exp (* x (+ 2.0 x)))
  (log (* x (+ 2.0 x)))
  (exp (* x (+ 2.0 x)))
  (* (cbrt (* x (+ 2.0 x))) (cbrt (* x (+ 2.0 x))))
  (cbrt (* x (+ 2.0 x)))
  (pow (* x (+ 2.0 x)) 3)
  (sqrt (* x (+ 2.0 x)))
  (sqrt (* x (+ 2.0 x)))
  (+ (pow x 6) (pow (* x 2.0) 3))
  (* (* x x) (+ (* 2.0 2.0) (* x (- x 2.0))))
  (* (* x (+ 2.0 x)) (* x (- 2.0 x)))
  (* x (- 2.0 x))
  (+ 2.0 x)
  (* x (+ 2.0 x))
  (* x (+ 2.0 x))
  (* x (+ 2.0 x))
19.482 * * * [progress]: adding candidates to table
19.495 * [progress]: [Phase 3 of 3] Extracting.
19.495 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (+ (* x 2.0) (* x x)))> #<alt (λ (x) (* x (+ 2.0 x)))>)
19.496 * * * [regime-changes]: Trying 1 branch expressions: (x)
19.496 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (+ (* x 2.0) (* x x)))> #<alt (λ (x) (* x (+ 2.0 x)))>)
19.681 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
19.682 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (+ (* x 2.0) (* x x))
19.682 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
19.682 * * [simplify]: iteration  1 :  7  enodes  (cost  7 )
19.682 * * [simplify]: iteration  done :  7  enodes  (cost  7 )
19.682 * [simplify]: Simplified to:
   (+ (* x 2.0) (* x x))
20.567 * [regime-testing]: End program error score: 0.01062632829103638