0.786 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.254 * * * [progress]: [2/2] Setting up program.
0.256 * [progress]: [Phase 2 of 3] Improving.
0.259 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (* (+ x 1.0) (+ x 1.0)) 1.0)
0.261 * * [simplify]: iteration  0 :  5  enodes  (cost  9 )
0.265 * * [simplify]: iteration  1 :  14  enodes  (cost  9 )
0.267 * * [simplify]: iteration  2 :  32  enodes  (cost  9 )
0.273 * * [simplify]: iteration  3 :  69  enodes  (cost  9 )
0.286 * * [simplify]: iteration  4 :  155  enodes  (cost  9 )
0.333 * * [simplify]: iteration  5 :  257  enodes  (cost  9 )
0.417 * * [simplify]: iteration  6 :  372  enodes  (cost  9 )
0.548 * * [simplify]: iteration  7 :  602  enodes  (cost  9 )
1.040 * * [simplify]: iteration  8 :  1264  enodes  (cost  9 )
1.653 * * [simplify]: iteration  9 :  1759  enodes  (cost  9 )
2.242 * * [simplify]: iteration  10 :  2098  enodes  (cost  9 )
2.981 * * [simplify]: iteration  11 :  2367  enodes  (cost  9 )
3.795 * * [simplify]: iteration  12 :  2598  enodes  (cost  9 )
4.465 * * [simplify]: iteration  13 :  2863  enodes  (cost  9 )
6.112 * * [simplify]: iteration  14 :  4048  enodes  (cost  9 )
6.951 * * [simplify]: iteration  15 :  4096  enodes  (cost  9 )
7.878 * * [simplify]: iteration  16 :  4152  enodes  (cost  9 )
8.965 * * [simplify]: iteration  17 :  4176  enodes  (cost  9 )
10.090 * * [simplify]: iteration  done :  4176  enodes  (cost  9 )
10.090 * [simplify]: Simplified to:
   (- (* (+ x 1.0) (+ x 1.0)) 1.0)
10.091 * * [progress]: iteration 1 / 4
10.091 * * * [progress]: picking best candidate
10.093 * * * * [pick]: Picked  #<alt (λ (x) (- (* (+ x 1.0) (+ x 1.0)) 1.0))>
10.093 * * * [progress]: localizing error
10.098 * * * [progress]: generating rewritten candidates
10.098 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
10.108 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
10.126 * * * [progress]: generating series expansions
10.126 * * * * [progress]: [ 1 / 2 ] generating series at (2)
10.131 * [approximate]: Taking taylor expansion of (+ (pow x 2) (* 2.0 x)) in (x) around 0
10.131 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 2.0 x)) in x
10.131 * [taylor]: Taking taylor expansion of (pow x 2) in x
10.131 * [taylor]: Taking taylor expansion of x in x
10.132 * [taylor]: Taking taylor expansion of (* 2.0 x) in x
10.132 * [taylor]: Taking taylor expansion of 2.0 in x
10.132 * [taylor]: Taking taylor expansion of x in x
10.132 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 2.0 x)) in x
10.132 * [taylor]: Taking taylor expansion of (pow x 2) in x
10.132 * [taylor]: Taking taylor expansion of x in x
10.132 * [taylor]: Taking taylor expansion of (* 2.0 x) in x
10.132 * [taylor]: Taking taylor expansion of 2.0 in x
10.132 * [taylor]: Taking taylor expansion of x in x
10.145 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in (x) around 0
10.145 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
10.145 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
10.145 * [taylor]: Taking taylor expansion of (pow x 2) in x
10.145 * [taylor]: Taking taylor expansion of x in x
10.145 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
10.145 * [taylor]: Taking taylor expansion of 2.0 in x
10.145 * [taylor]: Taking taylor expansion of (/ 1 x) in x
10.146 * [taylor]: Taking taylor expansion of x in x
10.146 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
10.146 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
10.146 * [taylor]: Taking taylor expansion of (pow x 2) in x
10.146 * [taylor]: Taking taylor expansion of x in x
10.146 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
10.146 * [taylor]: Taking taylor expansion of 2.0 in x
10.146 * [taylor]: Taking taylor expansion of (/ 1 x) in x
10.146 * [taylor]: Taking taylor expansion of x in x
10.169 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in (x) around 0
10.169 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
10.169 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
10.169 * [taylor]: Taking taylor expansion of (pow x 2) in x
10.169 * [taylor]: Taking taylor expansion of x in x
10.170 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
10.170 * [taylor]: Taking taylor expansion of 2.0 in x
10.170 * [taylor]: Taking taylor expansion of (/ 1 x) in x
10.170 * [taylor]: Taking taylor expansion of x in x
10.170 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
10.170 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
10.170 * [taylor]: Taking taylor expansion of (pow x 2) in x
10.170 * [taylor]: Taking taylor expansion of x in x
10.170 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
10.170 * [taylor]: Taking taylor expansion of 2.0 in x
10.170 * [taylor]: Taking taylor expansion of (/ 1 x) in x
10.171 * [taylor]: Taking taylor expansion of x in x
10.188 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
10.188 * [approximate]: Taking taylor expansion of (pow (+ x 1.0) 2) in (x) around 0
10.188 * [taylor]: Taking taylor expansion of (pow (+ x 1.0) 2) in x
10.188 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
10.188 * [taylor]: Taking taylor expansion of x in x
10.188 * [taylor]: Taking taylor expansion of 1.0 in x
10.188 * [taylor]: Taking taylor expansion of (pow (+ x 1.0) 2) in x
10.188 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
10.188 * [taylor]: Taking taylor expansion of x in x
10.188 * [taylor]: Taking taylor expansion of 1.0 in x
10.191 * [approximate]: Taking taylor expansion of (pow (+ 1.0 (/ 1 x)) 2) in (x) around 0
10.191 * [taylor]: Taking taylor expansion of (pow (+ 1.0 (/ 1 x)) 2) in x
10.191 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
10.191 * [taylor]: Taking taylor expansion of 1.0 in x
10.191 * [taylor]: Taking taylor expansion of (/ 1 x) in x
10.191 * [taylor]: Taking taylor expansion of x in x
10.192 * [taylor]: Taking taylor expansion of (pow (+ 1.0 (/ 1 x)) 2) in x
10.192 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
10.192 * [taylor]: Taking taylor expansion of 1.0 in x
10.192 * [taylor]: Taking taylor expansion of (/ 1 x) in x
10.192 * [taylor]: Taking taylor expansion of x in x
10.196 * [approximate]: Taking taylor expansion of (pow (- 1.0 (/ 1 x)) 2) in (x) around 0
10.196 * [taylor]: Taking taylor expansion of (pow (- 1.0 (/ 1 x)) 2) in x
10.196 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
10.196 * [taylor]: Taking taylor expansion of 1.0 in x
10.196 * [taylor]: Taking taylor expansion of (/ 1 x) in x
10.196 * [taylor]: Taking taylor expansion of x in x
10.197 * [taylor]: Taking taylor expansion of (pow (- 1.0 (/ 1 x)) 2) in x
10.197 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
10.197 * [taylor]: Taking taylor expansion of 1.0 in x
10.197 * [taylor]: Taking taylor expansion of (/ 1 x) in x
10.197 * [taylor]: Taking taylor expansion of x in x
10.202 * * * [progress]: simplifying candidates
10.204 * [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)))
  (- 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)
  (- 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))
  (+ (pow x 2) (* 2.0 x))
  (+ (pow x 2) (* 2.0 x))
  (+ (pow x 2) (* 2.0 x))
  (+ (pow x 2) (+ (* 2.0 x) 1.0))
  (+ (pow x 2) (+ (* 2.0 x) 1.0))
  (+ (pow x 2) (+ (* 2.0 x) 1.0))
10.206 * * [simplify]: iteration  0 :  86  enodes  (cost  736 )
10.224 * * [simplify]: iteration  1 :  229  enodes  (cost  642 )
10.282 * * [simplify]: iteration  2 :  839  enodes  (cost  576 )
11.294 * * [simplify]: iteration  3 :  4108  enodes  (cost  534 )
12.306 * * [simplify]: iteration  done :  5001  enodes  (cost  534 )
12.307 * [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 (+ 1.0 x) 4))
  (- 1.0)
  (- (pow (+ 1.0 x) 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)
  (- 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 (+ 1.0 x)) 4)
  (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0)))
  (+ 1.0 x)
  (+ 1.0 x)
  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)
  (+ 1.0 x)
  (+ 1.0 x)
  2
  (* x (+ x 1.0))
  (* (+ x 1.0) 1.0)
  (* x (+ x 1.0))
  (* (+ x 1.0) 1.0)
  (* (cbrt (+ 1.0 x)) (pow (cbrt (+ 1.0 x)) 4))
  (pow (sqrt (+ x 1.0)) 3)
  (+ 1.0 x)
  (+ 1.0 x)
  (pow (cbrt (+ 1.0 x)) 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 (+ x 2.0))
  (* x (+ x 2.0))
  (* x (+ x 2.0))
  (+ (* x (+ x 2.0)) 1.0)
  (+ (* x (+ x 2.0)) 1.0)
  (+ (* x (+ x 2.0)) 1.0)
12.307 * * * [progress]: adding candidates to table
12.393 * * [progress]: iteration 2 / 4
12.393 * * * [progress]: picking best candidate
12.394 * * * * [pick]: Picked  #<alt (λ (x) (* x (+ x 2.0)))>
12.394 * * * [progress]: localizing error
12.397 * * * [progress]: generating rewritten candidates
12.397 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
12.406 * * * [progress]: generating series expansions
12.406 * * * * [progress]: [ 1 / 1 ] generating series at (2)
12.406 * [approximate]: Taking taylor expansion of (* (+ x 2.0) x) in (x) around 0
12.406 * [taylor]: Taking taylor expansion of (* (+ x 2.0) x) in x
12.407 * [taylor]: Taking taylor expansion of (+ x 2.0) in x
12.407 * [taylor]: Taking taylor expansion of x in x
12.407 * [taylor]: Taking taylor expansion of 2.0 in x
12.407 * [taylor]: Taking taylor expansion of x in x
12.407 * [taylor]: Taking taylor expansion of (* (+ x 2.0) x) in x
12.407 * [taylor]: Taking taylor expansion of (+ x 2.0) in x
12.407 * [taylor]: Taking taylor expansion of x in x
12.407 * [taylor]: Taking taylor expansion of 2.0 in x
12.407 * [taylor]: Taking taylor expansion of x in x
12.415 * [approximate]: Taking taylor expansion of (/ (+ 2.0 (/ 1 x)) x) in (x) around 0
12.415 * [taylor]: Taking taylor expansion of (/ (+ 2.0 (/ 1 x)) x) in x
12.415 * [taylor]: Taking taylor expansion of (+ 2.0 (/ 1 x)) in x
12.415 * [taylor]: Taking taylor expansion of 2.0 in x
12.415 * [taylor]: Taking taylor expansion of (/ 1 x) in x
12.415 * [taylor]: Taking taylor expansion of x in x
12.415 * [taylor]: Taking taylor expansion of x in x
12.416 * [taylor]: Taking taylor expansion of (/ (+ 2.0 (/ 1 x)) x) in x
12.416 * [taylor]: Taking taylor expansion of (+ 2.0 (/ 1 x)) in x
12.416 * [taylor]: Taking taylor expansion of 2.0 in x
12.416 * [taylor]: Taking taylor expansion of (/ 1 x) in x
12.416 * [taylor]: Taking taylor expansion of x in x
12.416 * [taylor]: Taking taylor expansion of x in x
12.429 * [approximate]: Taking taylor expansion of (* -1 (/ (- 2.0 (/ 1 x)) x)) in (x) around 0
12.429 * [taylor]: Taking taylor expansion of (* -1 (/ (- 2.0 (/ 1 x)) x)) in x
12.429 * [taylor]: Taking taylor expansion of -1 in x
12.429 * [taylor]: Taking taylor expansion of (/ (- 2.0 (/ 1 x)) x) in x
12.429 * [taylor]: Taking taylor expansion of (- 2.0 (/ 1 x)) in x
12.429 * [taylor]: Taking taylor expansion of 2.0 in x
12.429 * [taylor]: Taking taylor expansion of (/ 1 x) in x
12.429 * [taylor]: Taking taylor expansion of x in x
12.429 * [taylor]: Taking taylor expansion of x in x
12.430 * [taylor]: Taking taylor expansion of (* -1 (/ (- 2.0 (/ 1 x)) x)) in x
12.430 * [taylor]: Taking taylor expansion of -1 in x
12.430 * [taylor]: Taking taylor expansion of (/ (- 2.0 (/ 1 x)) x) in x
12.430 * [taylor]: Taking taylor expansion of (- 2.0 (/ 1 x)) in x
12.430 * [taylor]: Taking taylor expansion of 2.0 in x
12.430 * [taylor]: Taking taylor expansion of (/ 1 x) in x
12.430 * [taylor]: Taking taylor expansion of x in x
12.430 * [taylor]: Taking taylor expansion of x in x
12.447 * * * [progress]: simplifying candidates
12.448 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* x (+ x 2.0))
  (+ (log x) (log (+ x 2.0)))
  (log (* x (+ x 2.0)))
  (exp (* x (+ x 2.0)))
  (* (* (* x x) x) (* (* (+ x 2.0) (+ x 2.0)) (+ x 2.0)))
  (* (cbrt (* x (+ x 2.0))) (cbrt (* x (+ x 2.0))))
  (cbrt (* x (+ x 2.0)))
  (* (* (* x (+ x 2.0)) (* x (+ x 2.0))) (* x (+ x 2.0)))
  (sqrt (* x (+ x 2.0)))
  (sqrt (* x (+ x 2.0)))
  (* (sqrt x) (sqrt (+ x 2.0)))
  (* (sqrt x) (sqrt (+ x 2.0)))
  (* x x)
  (* x 2.0)
  (* x x)
  (* 2.0 x)
  (* x (* (cbrt (+ x 2.0)) (cbrt (+ x 2.0))))
  (* x (sqrt (+ x 2.0)))
  (* x 1)
  (* x 1)
  (* (cbrt x) (+ x 2.0))
  (* (sqrt x) (+ x 2.0))
  (* x (+ x 2.0))
  (* x (+ (pow x 3) (pow 2.0 3)))
  (* x (- (* x x) (* 2.0 2.0)))
  (+ (pow x 2) (* 2.0 x))
  (+ (pow x 2) (* 2.0 x))
  (+ (pow x 2) (* 2.0 x))
12.449 * * [simplify]: iteration  0 :  44  enodes  (cost  194 )
12.459 * * [simplify]: iteration  1 :  122  enodes  (cost  181 )
12.484 * * [simplify]: iteration  2 :  320  enodes  (cost  163 )
12.607 * * [simplify]: iteration  3 :  1003  enodes  (cost  163 )
14.096 * * [simplify]: iteration  4 :  3944  enodes  (cost  163 )
15.355 * * [simplify]: iteration  done :  5000  enodes  (cost  163 )
15.355 * [simplify]: Simplified to:
   (* (+ x 2.0) x)
  (log (* x (+ x 2.0)))
  (log (* x (+ x 2.0)))
  (exp (* x (+ x 2.0)))
  (pow (* x (+ x 2.0)) 3)
  (* (cbrt (* x (+ x 2.0))) (cbrt (* x (+ x 2.0))))
  (cbrt (* x (+ x 2.0)))
  (pow (* x (+ x 2.0)) 3)
  (sqrt (* x (+ x 2.0)))
  (sqrt (* x (+ x 2.0)))
  (* (sqrt x) (sqrt (+ x 2.0)))
  (* (sqrt x) (sqrt (+ x 2.0)))
  (pow x 2)
  (* 2.0 x)
  (pow x 2)
  (* 2.0 x)
  (* x (* (cbrt (+ x 2.0)) (cbrt (+ x 2.0))))
  (* x (sqrt (+ x 2.0)))
  x
  x
  (* (cbrt x) (+ x 2.0))
  (* (sqrt x) (+ x 2.0))
  (* (+ x 2.0) x)
  (* x (+ (pow x 3) (pow 2.0 3)))
  (* x (- (* x x) (* 2.0 2.0)))
  (* (+ x 2.0) x)
  (* (+ x 2.0) x)
  (* (+ x 2.0) x)
15.356 * * * [progress]: adding candidates to table
15.388 * * [progress]: iteration 3 / 4
15.388 * * * [progress]: picking best candidate
15.389 * * * * [pick]: Picked  #<alt (λ (x) (+ (pow x 2) (* 2.0 x)))>
15.389 * * * [progress]: localizing error
15.394 * * * [progress]: generating rewritten candidates
15.394 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
15.400 * * * [progress]: generating series expansions
15.400 * * * * [progress]: [ 1 / 1 ] generating series at (2)
15.400 * [approximate]: Taking taylor expansion of (+ (pow x 2) (* 2.0 x)) in (x) around 0
15.400 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 2.0 x)) in x
15.400 * [taylor]: Taking taylor expansion of (pow x 2) in x
15.400 * [taylor]: Taking taylor expansion of x in x
15.400 * [taylor]: Taking taylor expansion of (* 2.0 x) in x
15.400 * [taylor]: Taking taylor expansion of 2.0 in x
15.400 * [taylor]: Taking taylor expansion of x in x
15.400 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 2.0 x)) in x
15.400 * [taylor]: Taking taylor expansion of (pow x 2) in x
15.400 * [taylor]: Taking taylor expansion of x in x
15.400 * [taylor]: Taking taylor expansion of (* 2.0 x) in x
15.400 * [taylor]: Taking taylor expansion of 2.0 in x
15.400 * [taylor]: Taking taylor expansion of x in x
15.411 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in (x) around 0
15.411 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
15.411 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
15.411 * [taylor]: Taking taylor expansion of (pow x 2) in x
15.411 * [taylor]: Taking taylor expansion of x in x
15.412 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
15.412 * [taylor]: Taking taylor expansion of 2.0 in x
15.412 * [taylor]: Taking taylor expansion of (/ 1 x) in x
15.412 * [taylor]: Taking taylor expansion of x in x
15.412 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
15.412 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
15.412 * [taylor]: Taking taylor expansion of (pow x 2) in x
15.412 * [taylor]: Taking taylor expansion of x in x
15.413 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
15.413 * [taylor]: Taking taylor expansion of 2.0 in x
15.413 * [taylor]: Taking taylor expansion of (/ 1 x) in x
15.413 * [taylor]: Taking taylor expansion of x in x
15.428 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in (x) around 0
15.428 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
15.428 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
15.428 * [taylor]: Taking taylor expansion of (pow x 2) in x
15.428 * [taylor]: Taking taylor expansion of x in x
15.429 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
15.429 * [taylor]: Taking taylor expansion of 2.0 in x
15.429 * [taylor]: Taking taylor expansion of (/ 1 x) in x
15.429 * [taylor]: Taking taylor expansion of x in x
15.429 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
15.429 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
15.429 * [taylor]: Taking taylor expansion of (pow x 2) in x
15.429 * [taylor]: Taking taylor expansion of x in x
15.429 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
15.429 * [taylor]: Taking taylor expansion of 2.0 in x
15.429 * [taylor]: Taking taylor expansion of (/ 1 x) in x
15.429 * [taylor]: Taking taylor expansion of x in x
15.449 * * * [progress]: simplifying candidates
15.449 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* (exp (pow x 2)) (exp (* 2.0 x)))
  (log (+ (pow x 2) (* 2.0 x)))
  (exp (+ (pow x 2) (* 2.0 x)))
  (* (cbrt (+ (pow x 2) (* 2.0 x))) (cbrt (+ (pow x 2) (* 2.0 x))))
  (cbrt (+ (pow x 2) (* 2.0 x)))
  (* (* (+ (pow x 2) (* 2.0 x)) (+ (pow x 2) (* 2.0 x))) (+ (pow x 2) (* 2.0 x)))
  (sqrt (+ (pow x 2) (* 2.0 x)))
  (sqrt (+ (pow x 2) (* 2.0 x)))
  (+ (pow (pow x 2) 3) (pow (* 2.0 x) 3))
  (+ (* (pow x 2) (pow x 2)) (- (* (* 2.0 x) (* 2.0 x)) (* (pow x 2) (* 2.0 x))))
  (- (* (pow x 2) (pow x 2)) (* (* 2.0 x) (* 2.0 x)))
  (- (pow x 2) (* 2.0 x))
  (+ x 2.0)
  (+ (pow x 2) (* 2.0 x))
  (+ (pow x 2) (* 2.0 x))
  (+ (pow x 2) (* 2.0 x))
15.451 * * [simplify]: iteration  0 :  28  enodes  (cost  169 )
15.455 * * [simplify]: iteration  1 :  90  enodes  (cost  156 )
15.485 * * [simplify]: iteration  2 :  296  enodes  (cost  114 )
15.558 * * [simplify]: iteration  3 :  755  enodes  (cost  112 )
15.845 * * [simplify]: iteration  4 :  1865  enodes  (cost  112 )
16.994 * * [simplify]: iteration  done :  5000  enodes  (cost  112 )
16.994 * [simplify]: Simplified to:
   (exp (* x (+ x 2.0)))
  (log (* x (+ x 2.0)))
  (exp (* x (+ x 2.0)))
  (* (cbrt (* x (+ x 2.0))) (cbrt (* x (+ x 2.0))))
  (cbrt (* x (+ x 2.0)))
  (pow (* x (+ x 2.0)) 3)
  (sqrt (* x (+ x 2.0)))
  (sqrt (* x (+ x 2.0)))
  (+ (pow (* 2.0 x) 3) (pow x 6))
  (+ (pow x 4) (* (* 2.0 x) (* x (- 2.0 x))))
  (- (pow x 4) (* (* 2.0 x) (* 2.0 x)))
  (* x (- x 2.0))
  (+ x 2.0)
  (* x (+ x 2.0))
  (* x (+ x 2.0))
  (* x (+ x 2.0))
16.994 * * * [progress]: adding candidates to table
17.013 * [progress]: [Phase 3 of 3] Extracting.
17.014 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (* x (+ x 2.0)))> #<alt (λ (x) (+ (pow x 2) (* 2.0 x)))>)
17.014 * * * [regime-changes]: Trying 1 branch expressions: (x)
17.014 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (* x (+ x 2.0)))> #<alt (λ (x) (+ (pow x 2) (* 2.0 x)))>)
17.024 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
17.024 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* x (+ x 2.0))
17.025 * * [simplify]: iteration  0 :  4  enodes  (cost  5 )
17.025 * * [simplify]: iteration  1 :  6  enodes  (cost  5 )
17.025 * * [simplify]: iteration  done :  6  enodes  (cost  5 )
17.025 * [simplify]: Simplified to:
   (* x (+ x 2.0))
17.533 * [regime-testing]: Baseline error score: 0.010126265783222902
17.533 * [regime-testing]: Oracle error score: 0.00025003125390673836
17.535 * [regime-testing]: End program error score: 0.010126265783222902