0.798 * [progress]: [Phase 1 of 3] Setting up.
0.003 * * * [progress]: [1/2] Preparing points
0.257 * * * [progress]: [2/2] Setting up program.
0.259 * [progress]: [Phase 2 of 3] Improving.
0.262 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (* (+ x 1.0) (+ x 1.0)) 1.0)
0.265 * * [simplify]: iteration  0 :  5  enodes  (cost  9 )
0.268 * * [simplify]: iteration  1 :  14  enodes  (cost  9 )
0.271 * * [simplify]: iteration  2 :  32  enodes  (cost  9 )
0.276 * * [simplify]: iteration  3 :  69  enodes  (cost  9 )
0.289 * * [simplify]: iteration  4 :  155  enodes  (cost  9 )
0.338 * * [simplify]: iteration  5 :  257  enodes  (cost  9 )
0.422 * * [simplify]: iteration  6 :  372  enodes  (cost  9 )
0.555 * * [simplify]: iteration  7 :  602  enodes  (cost  9 )
1.050 * * [simplify]: iteration  8 :  1264  enodes  (cost  9 )
1.660 * * [simplify]: iteration  9 :  1759  enodes  (cost  9 )
2.254 * * [simplify]: iteration  10 :  2098  enodes  (cost  9 )
2.993 * * [simplify]: iteration  11 :  2367  enodes  (cost  9 )
3.813 * * [simplify]: iteration  12 :  2598  enodes  (cost  9 )
4.485 * * [simplify]: iteration  13 :  2863  enodes  (cost  9 )
6.139 * * [simplify]: iteration  14 :  4048  enodes  (cost  9 )
6.991 * * [simplify]: iteration  15 :  4096  enodes  (cost  9 )
7.927 * * [simplify]: iteration  16 :  4152  enodes  (cost  9 )
9.014 * * [simplify]: iteration  17 :  4176  enodes  (cost  9 )
10.134 * * [simplify]: iteration  done :  4176  enodes  (cost  9 )
10.135 * [simplify]: Simplified to:
   (- (* (+ x 1.0) (+ x 1.0)) 1.0)
10.136 * * [progress]: iteration 1 / 4
10.136 * * * [progress]: picking best candidate
10.137 * * * * [pick]: Picked  #<alt (λ (x) (- (* (+ x 1.0) (+ x 1.0)) 1.0))>
10.137 * * * [progress]: localizing error
10.143 * * * [progress]: generating rewritten candidates
10.143 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
10.153 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
10.170 * * * [progress]: generating series expansions
10.170 * * * * [progress]: [ 1 / 2 ] generating series at (2)
10.175 * [approximate]: Taking taylor expansion of (+ (pow x 2) (* 2.0 x)) in (x) around 0
10.175 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 2.0 x)) in x
10.176 * [taylor]: Taking taylor expansion of (pow x 2) in x
10.176 * [taylor]: Taking taylor expansion of x in x
10.176 * [taylor]: Taking taylor expansion of (* 2.0 x) in x
10.176 * [taylor]: Taking taylor expansion of 2.0 in x
10.176 * [taylor]: Taking taylor expansion of x in x
10.176 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 2.0 x)) in x
10.176 * [taylor]: Taking taylor expansion of (pow x 2) in x
10.176 * [taylor]: Taking taylor expansion of x in x
10.176 * [taylor]: Taking taylor expansion of (* 2.0 x) in x
10.176 * [taylor]: Taking taylor expansion of 2.0 in x
10.176 * [taylor]: Taking taylor expansion of x in x
10.190 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in (x) around 0
10.190 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
10.190 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
10.190 * [taylor]: Taking taylor expansion of (pow x 2) in x
10.190 * [taylor]: Taking taylor expansion of x in x
10.197 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
10.197 * [taylor]: Taking taylor expansion of 2.0 in x
10.197 * [taylor]: Taking taylor expansion of (/ 1 x) in x
10.197 * [taylor]: Taking taylor expansion of x in x
10.198 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
10.198 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
10.198 * [taylor]: Taking taylor expansion of (pow x 2) in x
10.198 * [taylor]: Taking taylor expansion of x in x
10.198 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
10.198 * [taylor]: Taking taylor expansion of 2.0 in x
10.198 * [taylor]: Taking taylor expansion of (/ 1 x) in x
10.198 * [taylor]: Taking taylor expansion of x in x
10.215 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in (x) around 0
10.215 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
10.215 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
10.215 * [taylor]: Taking taylor expansion of (pow x 2) in x
10.215 * [taylor]: Taking taylor expansion of x in x
10.216 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
10.216 * [taylor]: Taking taylor expansion of 2.0 in x
10.216 * [taylor]: Taking taylor expansion of (/ 1 x) in x
10.216 * [taylor]: Taking taylor expansion of x in x
10.216 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
10.216 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
10.216 * [taylor]: Taking taylor expansion of (pow x 2) in x
10.216 * [taylor]: Taking taylor expansion of x in x
10.216 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
10.217 * [taylor]: Taking taylor expansion of 2.0 in x
10.217 * [taylor]: Taking taylor expansion of (/ 1 x) in x
10.217 * [taylor]: Taking taylor expansion of x in x
10.235 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
10.235 * [approximate]: Taking taylor expansion of (pow (+ x 1.0) 2) in (x) around 0
10.235 * [taylor]: Taking taylor expansion of (pow (+ x 1.0) 2) in x
10.235 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
10.235 * [taylor]: Taking taylor expansion of x in x
10.235 * [taylor]: Taking taylor expansion of 1.0 in x
10.235 * [taylor]: Taking taylor expansion of (pow (+ x 1.0) 2) in x
10.236 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
10.236 * [taylor]: Taking taylor expansion of x in x
10.236 * [taylor]: Taking taylor expansion of 1.0 in x
10.238 * [approximate]: Taking taylor expansion of (pow (+ 1.0 (/ 1 x)) 2) in (x) around 0
10.238 * [taylor]: Taking taylor expansion of (pow (+ 1.0 (/ 1 x)) 2) in x
10.238 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
10.238 * [taylor]: Taking taylor expansion of 1.0 in x
10.238 * [taylor]: Taking taylor expansion of (/ 1 x) in x
10.239 * [taylor]: Taking taylor expansion of x in x
10.239 * [taylor]: Taking taylor expansion of (pow (+ 1.0 (/ 1 x)) 2) in x
10.239 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
10.239 * [taylor]: Taking taylor expansion of 1.0 in x
10.239 * [taylor]: Taking taylor expansion of (/ 1 x) in x
10.239 * [taylor]: Taking taylor expansion of x in x
10.244 * [approximate]: Taking taylor expansion of (pow (- 1.0 (/ 1 x)) 2) in (x) around 0
10.244 * [taylor]: Taking taylor expansion of (pow (- 1.0 (/ 1 x)) 2) in x
10.244 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
10.244 * [taylor]: Taking taylor expansion of 1.0 in x
10.244 * [taylor]: Taking taylor expansion of (/ 1 x) in x
10.244 * [taylor]: Taking taylor expansion of x in x
10.245 * [taylor]: Taking taylor expansion of (pow (- 1.0 (/ 1 x)) 2) in x
10.245 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
10.245 * [taylor]: Taking taylor expansion of 1.0 in x
10.245 * [taylor]: Taking taylor expansion of (/ 1 x) in x
10.245 * [taylor]: Taking taylor expansion of x in x
10.251 * * * [progress]: simplifying candidates
10.252 * [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))
10.254 * * [simplify]: iteration  0 :  86  enodes  (cost  736 )
10.272 * * [simplify]: iteration  1 :  229  enodes  (cost  642 )
10.331 * * [simplify]: iteration  2 :  839  enodes  (cost  576 )
11.330 * * [simplify]: iteration  3 :  4108  enodes  (cost  534 )
12.356 * * [simplify]: iteration  done :  5001  enodes  (cost  534 )
12.357 * [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)
12.357 * * * [progress]: adding candidates to table
12.439 * * [progress]: iteration 2 / 4
12.439 * * * [progress]: picking best candidate
12.440 * * * * [pick]: Picked  #<alt (λ (x) (* x (+ x 2.0)))>
12.440 * * * [progress]: localizing error
12.443 * * * [progress]: generating rewritten candidates
12.443 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
12.452 * * * [progress]: generating series expansions
12.452 * * * * [progress]: [ 1 / 1 ] generating series at (2)
12.452 * [approximate]: Taking taylor expansion of (* (+ x 2.0) x) in (x) around 0
12.452 * [taylor]: Taking taylor expansion of (* (+ x 2.0) x) in x
12.452 * [taylor]: Taking taylor expansion of (+ x 2.0) in x
12.452 * [taylor]: Taking taylor expansion of x in x
12.452 * [taylor]: Taking taylor expansion of 2.0 in x
12.452 * [taylor]: Taking taylor expansion of x in x
12.452 * [taylor]: Taking taylor expansion of (* (+ x 2.0) x) in x
12.452 * [taylor]: Taking taylor expansion of (+ x 2.0) in x
12.452 * [taylor]: Taking taylor expansion of x in x
12.452 * [taylor]: Taking taylor expansion of 2.0 in x
12.452 * [taylor]: Taking taylor expansion of x in x
12.461 * [approximate]: Taking taylor expansion of (/ (+ 2.0 (/ 1 x)) x) in (x) around 0
12.461 * [taylor]: Taking taylor expansion of (/ (+ 2.0 (/ 1 x)) x) in x
12.461 * [taylor]: Taking taylor expansion of (+ 2.0 (/ 1 x)) in x
12.461 * [taylor]: Taking taylor expansion of 2.0 in x
12.461 * [taylor]: Taking taylor expansion of (/ 1 x) in x
12.461 * [taylor]: Taking taylor expansion of x in x
12.462 * [taylor]: Taking taylor expansion of x in x
12.462 * [taylor]: Taking taylor expansion of (/ (+ 2.0 (/ 1 x)) x) in x
12.462 * [taylor]: Taking taylor expansion of (+ 2.0 (/ 1 x)) in x
12.462 * [taylor]: Taking taylor expansion of 2.0 in x
12.462 * [taylor]: Taking taylor expansion of (/ 1 x) in x
12.462 * [taylor]: Taking taylor expansion of x in x
12.463 * [taylor]: Taking taylor expansion of x in x
12.475 * [approximate]: Taking taylor expansion of (* -1 (/ (- 2.0 (/ 1 x)) x)) in (x) around 0
12.475 * [taylor]: Taking taylor expansion of (* -1 (/ (- 2.0 (/ 1 x)) x)) in x
12.475 * [taylor]: Taking taylor expansion of -1 in x
12.475 * [taylor]: Taking taylor expansion of (/ (- 2.0 (/ 1 x)) x) in x
12.475 * [taylor]: Taking taylor expansion of (- 2.0 (/ 1 x)) in x
12.475 * [taylor]: Taking taylor expansion of 2.0 in x
12.475 * [taylor]: Taking taylor expansion of (/ 1 x) in x
12.475 * [taylor]: Taking taylor expansion of x in x
12.475 * [taylor]: Taking taylor expansion of x in x
12.476 * [taylor]: Taking taylor expansion of (* -1 (/ (- 2.0 (/ 1 x)) x)) in x
12.476 * [taylor]: Taking taylor expansion of -1 in x
12.476 * [taylor]: Taking taylor expansion of (/ (- 2.0 (/ 1 x)) x) in x
12.476 * [taylor]: Taking taylor expansion of (- 2.0 (/ 1 x)) in x
12.476 * [taylor]: Taking taylor expansion of 2.0 in x
12.476 * [taylor]: Taking taylor expansion of (/ 1 x) in x
12.476 * [taylor]: Taking taylor expansion of x in x
12.476 * [taylor]: Taking taylor expansion of x in x
12.495 * * * [progress]: simplifying candidates
12.495 * [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))
12.496 * * [simplify]: iteration  0 :  44  enodes  (cost  194 )
12.507 * * [simplify]: iteration  1 :  122  enodes  (cost  181 )
12.530 * * [simplify]: iteration  2 :  320  enodes  (cost  163 )
12.652 * * [simplify]: iteration  3 :  1003  enodes  (cost  163 )
14.132 * * [simplify]: iteration  4 :  3944  enodes  (cost  163 )
15.406 * * [simplify]: iteration  done :  5000  enodes  (cost  163 )
15.407 * [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)
15.407 * * * [progress]: adding candidates to table
15.440 * * [progress]: iteration 3 / 4
15.440 * * * [progress]: picking best candidate
15.441 * * * * [pick]: Picked  #<alt (λ (x) (+ (pow x 2) (* 2.0 x)))>
15.441 * * * [progress]: localizing error
15.445 * * * [progress]: generating rewritten candidates
15.445 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
15.451 * * * [progress]: generating series expansions
15.451 * * * * [progress]: [ 1 / 1 ] generating series at (2)
15.451 * [approximate]: Taking taylor expansion of (+ (pow x 2) (* 2.0 x)) in (x) around 0
15.451 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 2.0 x)) in x
15.451 * [taylor]: Taking taylor expansion of (pow x 2) in x
15.451 * [taylor]: Taking taylor expansion of x in x
15.451 * [taylor]: Taking taylor expansion of (* 2.0 x) in x
15.451 * [taylor]: Taking taylor expansion of 2.0 in x
15.451 * [taylor]: Taking taylor expansion of x in x
15.451 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 2.0 x)) in x
15.451 * [taylor]: Taking taylor expansion of (pow x 2) in x
15.451 * [taylor]: Taking taylor expansion of x in x
15.451 * [taylor]: Taking taylor expansion of (* 2.0 x) in x
15.451 * [taylor]: Taking taylor expansion of 2.0 in x
15.451 * [taylor]: Taking taylor expansion of x in x
15.464 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in (x) around 0
15.464 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
15.464 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
15.464 * [taylor]: Taking taylor expansion of (pow x 2) in x
15.464 * [taylor]: Taking taylor expansion of x in x
15.464 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
15.464 * [taylor]: Taking taylor expansion of 2.0 in x
15.464 * [taylor]: Taking taylor expansion of (/ 1 x) in x
15.464 * [taylor]: Taking taylor expansion of x in x
15.465 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
15.465 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
15.465 * [taylor]: Taking taylor expansion of (pow x 2) in x
15.465 * [taylor]: Taking taylor expansion of x in x
15.465 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
15.465 * [taylor]: Taking taylor expansion of 2.0 in x
15.465 * [taylor]: Taking taylor expansion of (/ 1 x) in x
15.465 * [taylor]: Taking taylor expansion of x in x
15.481 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in (x) around 0
15.481 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
15.481 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
15.481 * [taylor]: Taking taylor expansion of (pow x 2) in x
15.481 * [taylor]: Taking taylor expansion of x in x
15.482 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
15.482 * [taylor]: Taking taylor expansion of 2.0 in x
15.482 * [taylor]: Taking taylor expansion of (/ 1 x) in x
15.482 * [taylor]: Taking taylor expansion of x in x
15.482 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
15.482 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
15.482 * [taylor]: Taking taylor expansion of (pow x 2) in x
15.482 * [taylor]: Taking taylor expansion of x in x
15.485 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
15.485 * [taylor]: Taking taylor expansion of 2.0 in x
15.485 * [taylor]: Taking taylor expansion of (/ 1 x) in x
15.485 * [taylor]: Taking taylor expansion of x in x
15.503 * * * [progress]: simplifying candidates
15.503 * [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))
15.505 * * [simplify]: iteration  0 :  28  enodes  (cost  169 )
15.509 * * [simplify]: iteration  1 :  90  enodes  (cost  156 )
15.539 * * [simplify]: iteration  2 :  296  enodes  (cost  114 )
15.612 * * [simplify]: iteration  3 :  755  enodes  (cost  112 )
15.900 * * [simplify]: iteration  4 :  1865  enodes  (cost  112 )
17.044 * * [simplify]: iteration  done :  5000  enodes  (cost  112 )
17.044 * [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))
17.044 * * * [progress]: adding candidates to table
17.063 * [progress]: [Phase 3 of 3] Extracting.
17.063 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (* x (+ x 2.0)))> #<alt (λ (x) (+ (pow x 2) (* 2.0 x)))>)
17.064 * * * [regime-changes]: Trying 1 branch expressions: (x)
17.064 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (* x (+ x 2.0)))> #<alt (λ (x) (+ (pow x 2) (* 2.0 x)))>)
17.074 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
17.074 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* x (+ x 2.0))
17.074 * * [simplify]: iteration  0 :  4  enodes  (cost  5 )
17.074 * * [simplify]: iteration  1 :  6  enodes  (cost  5 )
17.075 * * [simplify]: iteration  done :  6  enodes  (cost  5 )
17.075 * [simplify]: Simplified to:
   (* x (+ x 2.0))
17.565 * [regime-testing]: Baseline error score: 0.010001250156269533
17.566 * [regime-testing]: Oracle error score: 0.00037504688086010754
17.567 * [regime-testing]: End program error score: 0.010001250156269533