0.390 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.031 * * * [progress]: [2/2] Setting up program.
0.034 * [progress]: [Phase 2 of 3] Improving.
0.037 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (* (+ x 1.0) (+ x 1.0)) 1.0)
0.040 * * [simplify]: iteration  0 :  5  enodes  (cost  9 )
0.043 * * [simplify]: iteration  1 :  14  enodes  (cost  9 )
0.045 * * [simplify]: iteration  2 :  33  enodes  (cost  9 )
0.050 * * [simplify]: iteration  3 :  70  enodes  (cost  9 )
0.061 * * [simplify]: iteration  4 :  161  enodes  (cost  9 )
0.097 * * [simplify]: iteration  5 :  267  enodes  (cost  9 )
0.131 * * [simplify]: iteration  6 :  385  enodes  (cost  9 )
0.182 * * [simplify]: iteration  7 :  617  enodes  (cost  9 )
0.302 * * [simplify]: iteration  8 :  1329  enodes  (cost  9 )
0.605 * * [simplify]: iteration  9 :  2276  enodes  (cost  9 )
0.962 * * [simplify]: iteration  10 :  3170  enodes  (cost  9 )
1.576 * * [simplify]: iteration  11 :  4592  enodes  (cost  9 )
2.139 * * [simplify]: iteration  done :  5001  enodes  (cost  9 )
2.140 * [simplify]: Simplified to:
   (- (* (+ x 1.0) (+ x 1.0)) 1.0)
2.142 * * [progress]: iteration 1 / 4
2.142 * * * [progress]: picking best candidate
2.149 * * * * [pick]: Picked  #<alt (λ (x) (- (* (+ x 1.0) (+ x 1.0)) 1.0))>
2.149 * * * [progress]: localizing error
2.155 * * * [progress]: generating rewritten candidates
2.156 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
2.166 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
2.179 * * * [progress]: generating series expansions
2.179 * * * * [progress]: [ 1 / 2 ] generating series at (2)
2.184 * [approximate]: Taking taylor expansion of (+ (* 2.0 x) (pow x 2)) in (x) around 0
2.185 * [taylor]: Taking taylor expansion of (+ (* 2.0 x) (pow x 2)) in x
2.185 * [taylor]: Taking taylor expansion of (* 2.0 x) in x
2.185 * [taylor]: Taking taylor expansion of 2.0 in x
2.185 * [taylor]: Taking taylor expansion of x in x
2.185 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.185 * [taylor]: Taking taylor expansion of x in x
2.185 * [taylor]: Taking taylor expansion of (+ (* 2.0 x) (pow x 2)) in x
2.185 * [taylor]: Taking taylor expansion of (* 2.0 x) in x
2.185 * [taylor]: Taking taylor expansion of 2.0 in x
2.185 * [taylor]: Taking taylor expansion of x in x
2.185 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.185 * [taylor]: Taking taylor expansion of x in x
2.188 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in (x) around 0
2.188 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
2.188 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.188 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.188 * [taylor]: Taking taylor expansion of x in x
2.188 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
2.188 * [taylor]: Taking taylor expansion of 2.0 in x
2.188 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.188 * [taylor]: Taking taylor expansion of x in x
2.188 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
2.188 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.188 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.189 * [taylor]: Taking taylor expansion of x in x
2.189 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
2.189 * [taylor]: Taking taylor expansion of 2.0 in x
2.189 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.189 * [taylor]: Taking taylor expansion of x in x
2.191 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in (x) around 0
2.191 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
2.191 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.191 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.191 * [taylor]: Taking taylor expansion of x in x
2.191 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
2.191 * [taylor]: Taking taylor expansion of 2.0 in x
2.191 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.191 * [taylor]: Taking taylor expansion of x in x
2.191 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
2.191 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.191 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.191 * [taylor]: Taking taylor expansion of x in x
2.191 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
2.191 * [taylor]: Taking taylor expansion of 2.0 in x
2.191 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.191 * [taylor]: Taking taylor expansion of x in x
2.193 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
2.193 * [approximate]: Taking taylor expansion of (pow (+ x 1.0) 2) in (x) around 0
2.193 * [taylor]: Taking taylor expansion of (pow (+ x 1.0) 2) in x
2.193 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
2.193 * [taylor]: Taking taylor expansion of x in x
2.193 * [taylor]: Taking taylor expansion of 1.0 in x
2.193 * [taylor]: Taking taylor expansion of (pow (+ x 1.0) 2) in x
2.193 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
2.193 * [taylor]: Taking taylor expansion of x in x
2.193 * [taylor]: Taking taylor expansion of 1.0 in x
2.194 * [approximate]: Taking taylor expansion of (pow (+ (/ 1 x) 1.0) 2) in (x) around 0
2.194 * [taylor]: Taking taylor expansion of (pow (+ (/ 1 x) 1.0) 2) in x
2.194 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
2.194 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.194 * [taylor]: Taking taylor expansion of x in x
2.194 * [taylor]: Taking taylor expansion of 1.0 in x
2.194 * [taylor]: Taking taylor expansion of (pow (+ (/ 1 x) 1.0) 2) in x
2.194 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
2.194 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.194 * [taylor]: Taking taylor expansion of x in x
2.194 * [taylor]: Taking taylor expansion of 1.0 in x
2.194 * [approximate]: Taking taylor expansion of (pow (- 1.0 (/ 1 x)) 2) in (x) around 0
2.194 * [taylor]: Taking taylor expansion of (pow (- 1.0 (/ 1 x)) 2) in x
2.194 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
2.194 * [taylor]: Taking taylor expansion of 1.0 in x
2.194 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.194 * [taylor]: Taking taylor expansion of x in x
2.194 * [taylor]: Taking taylor expansion of (pow (- 1.0 (/ 1 x)) 2) in x
2.194 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
2.194 * [taylor]: Taking taylor expansion of 1.0 in x
2.195 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.195 * [taylor]: Taking taylor expansion of x in x
2.195 * * * [progress]: simplifying candidates
2.196 * [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))
2.198 * * [simplify]: iteration  0 :  86  enodes  (cost  736 )
2.211 * * [simplify]: iteration  1 :  231  enodes  (cost  644 )
2.260 * * [simplify]: iteration  2 :  910  enodes  (cost  576 )
2.566 * * [simplify]: iteration  3 :  4280  enodes  (cost  538 )
3.555 * * [simplify]: iteration  done :  5000  enodes  (cost  538 )
3.556 * [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))
  (- (* 1.0 (+ x 1.0)) 1.0)
  (- (* 1.0 (+ x 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))))
  (* (pow (sqrt (+ x 1.0)) 4) (* (- x 1.0) (- x 1.0)))
  (* (- 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)
  (* (+ x 1.0) (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))))
  (pow (sqrt (+ x 1.0)) 3)
  (+ x 1.0)
  (+ x 1.0)
  (* (cbrt (+ x 1.0)) (+ x 1.0))
  (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))
  (* (pow (sqrt (+ x 1.0)) 4) (- x 1.0))
  (* (+ (pow x 3) (pow 1.0 3)) (+ x 1.0))
  (* (pow (sqrt (+ x 1.0)) 4) (- x 1.0))
  (* 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)
3.556 * * * [progress]: adding candidates to table
3.641 * * [progress]: iteration 2 / 4
3.641 * * * [progress]: picking best candidate
3.643 * * * * [pick]: Picked  #<alt (λ (x) (* x (+ x 2.0)))>
3.643 * * * [progress]: localizing error
3.646 * * * [progress]: generating rewritten candidates
3.646 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
3.652 * * * [progress]: generating series expansions
3.652 * * * * [progress]: [ 1 / 1 ] generating series at (2)
3.653 * [approximate]: Taking taylor expansion of (* x (+ x 2.0)) in (x) around 0
3.653 * [taylor]: Taking taylor expansion of (* x (+ x 2.0)) in x
3.653 * [taylor]: Taking taylor expansion of x in x
3.653 * [taylor]: Taking taylor expansion of (+ x 2.0) in x
3.653 * [taylor]: Taking taylor expansion of x in x
3.653 * [taylor]: Taking taylor expansion of 2.0 in x
3.653 * [taylor]: Taking taylor expansion of (* x (+ x 2.0)) in x
3.653 * [taylor]: Taking taylor expansion of x in x
3.653 * [taylor]: Taking taylor expansion of (+ x 2.0) in x
3.653 * [taylor]: Taking taylor expansion of x in x
3.653 * [taylor]: Taking taylor expansion of 2.0 in x
3.654 * [approximate]: Taking taylor expansion of (/ (+ (/ 1 x) 2.0) x) in (x) around 0
3.654 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 x) 2.0) x) in x
3.654 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 2.0) in x
3.654 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.654 * [taylor]: Taking taylor expansion of x in x
3.654 * [taylor]: Taking taylor expansion of 2.0 in x
3.654 * [taylor]: Taking taylor expansion of x in x
3.654 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 x) 2.0) x) in x
3.654 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 2.0) in x
3.654 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.654 * [taylor]: Taking taylor expansion of x in x
3.654 * [taylor]: Taking taylor expansion of 2.0 in x
3.654 * [taylor]: Taking taylor expansion of x in x
3.655 * [approximate]: Taking taylor expansion of (* -1 (/ (- 2.0 (/ 1 x)) x)) in (x) around 0
3.655 * [taylor]: Taking taylor expansion of (* -1 (/ (- 2.0 (/ 1 x)) x)) in x
3.655 * [taylor]: Taking taylor expansion of -1 in x
3.656 * [taylor]: Taking taylor expansion of (/ (- 2.0 (/ 1 x)) x) in x
3.656 * [taylor]: Taking taylor expansion of (- 2.0 (/ 1 x)) in x
3.656 * [taylor]: Taking taylor expansion of 2.0 in x
3.656 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.656 * [taylor]: Taking taylor expansion of x in x
3.656 * [taylor]: Taking taylor expansion of x in x
3.656 * [taylor]: Taking taylor expansion of (* -1 (/ (- 2.0 (/ 1 x)) x)) in x
3.656 * [taylor]: Taking taylor expansion of -1 in x
3.656 * [taylor]: Taking taylor expansion of (/ (- 2.0 (/ 1 x)) x) in x
3.656 * [taylor]: Taking taylor expansion of (- 2.0 (/ 1 x)) in x
3.656 * [taylor]: Taking taylor expansion of 2.0 in x
3.656 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.656 * [taylor]: Taking taylor expansion of x in x
3.656 * [taylor]: Taking taylor expansion of x in x
3.657 * * * [progress]: simplifying candidates
3.658 * [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)))
  (+ (* 2.0 x) (pow x 2))
  (+ (* 2.0 x) (pow x 2))
  (+ (* 2.0 x) (pow x 2))
3.659 * * [simplify]: iteration  0 :  44  enodes  (cost  194 )
3.670 * * [simplify]: iteration  1 :  127  enodes  (cost  190 )
3.689 * * [simplify]: iteration  2 :  334  enodes  (cost  164 )
3.758 * * [simplify]: iteration  3 :  867  enodes  (cost  164 )
4.057 * * [simplify]: iteration  4 :  2432  enodes  (cost  163 )
4.686 * * [simplify]: iteration  done :  5000  enodes  (cost  163 )
4.686 * [simplify]: Simplified to:
   (* x (+ x 2.0))
  (log (* (+ x 2.0) x))
  (log (* (+ x 2.0) x))
  (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 (+ x 2.0))
  (* x (+ (pow x 3) (pow 2.0 3)))
  (* x (- (* x x) (* 2.0 2.0)))
  (* x (+ x 2.0))
  (* x (+ x 2.0))
  (* x (+ x 2.0))
4.686 * * * [progress]: adding candidates to table
4.715 * * [progress]: iteration 3 / 4
4.715 * * * [progress]: picking best candidate
4.717 * * * * [pick]: Picked  #<alt (λ (x) (+ (pow x 2) (* 2.0 x)))>
4.717 * * * [progress]: localizing error
4.722 * * * [progress]: generating rewritten candidates
4.722 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
4.727 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
4.729 * * * [progress]: generating series expansions
4.729 * * * * [progress]: [ 1 / 2 ] generating series at (2)
4.729 * [approximate]: Taking taylor expansion of (+ (* 2.0 x) (pow x 2)) in (x) around 0
4.730 * [taylor]: Taking taylor expansion of (+ (* 2.0 x) (pow x 2)) in x
4.730 * [taylor]: Taking taylor expansion of (* 2.0 x) in x
4.730 * [taylor]: Taking taylor expansion of 2.0 in x
4.730 * [taylor]: Taking taylor expansion of x in x
4.730 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.730 * [taylor]: Taking taylor expansion of x in x
4.730 * [taylor]: Taking taylor expansion of (+ (* 2.0 x) (pow x 2)) in x
4.730 * [taylor]: Taking taylor expansion of (* 2.0 x) in x
4.730 * [taylor]: Taking taylor expansion of 2.0 in x
4.730 * [taylor]: Taking taylor expansion of x in x
4.730 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.730 * [taylor]: Taking taylor expansion of x in x
4.731 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in (x) around 0
4.731 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
4.731 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
4.731 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.731 * [taylor]: Taking taylor expansion of x in x
4.731 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
4.731 * [taylor]: Taking taylor expansion of 2.0 in x
4.731 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.731 * [taylor]: Taking taylor expansion of x in x
4.731 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
4.731 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
4.731 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.731 * [taylor]: Taking taylor expansion of x in x
4.731 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
4.731 * [taylor]: Taking taylor expansion of 2.0 in x
4.731 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.731 * [taylor]: Taking taylor expansion of x in x
4.733 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in (x) around 0
4.733 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
4.733 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
4.733 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.733 * [taylor]: Taking taylor expansion of x in x
4.733 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
4.733 * [taylor]: Taking taylor expansion of 2.0 in x
4.733 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.733 * [taylor]: Taking taylor expansion of x in x
4.733 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
4.733 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
4.733 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.733 * [taylor]: Taking taylor expansion of x in x
4.733 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
4.733 * [taylor]: Taking taylor expansion of 2.0 in x
4.733 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.733 * [taylor]: Taking taylor expansion of x in x
4.735 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
4.735 * [approximate]: Taking taylor expansion of (pow x 2) in (x) around 0
4.735 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.735 * [taylor]: Taking taylor expansion of x in x
4.735 * [taylor]: Taking taylor expansion of (pow x 2) in x
4.735 * [taylor]: Taking taylor expansion of x in x
4.736 * [approximate]: Taking taylor expansion of (pow (/ 1 x) 2) in (x) around 0
4.736 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 2) in x
4.736 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.736 * [taylor]: Taking taylor expansion of x in x
4.736 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 2) in x
4.736 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.736 * [taylor]: Taking taylor expansion of x in x
4.737 * [approximate]: Taking taylor expansion of (pow (/ -1 x) 2) in (x) around 0
4.737 * [taylor]: Taking taylor expansion of (pow (/ -1 x) 2) in x
4.737 * [taylor]: Taking taylor expansion of (/ -1 x) in x
4.737 * [taylor]: Taking taylor expansion of -1 in x
4.737 * [taylor]: Taking taylor expansion of x in x
4.737 * [taylor]: Taking taylor expansion of (pow (/ -1 x) 2) in x
4.737 * [taylor]: Taking taylor expansion of (/ -1 x) in x
4.737 * [taylor]: Taking taylor expansion of -1 in x
4.737 * [taylor]: Taking taylor expansion of x in x
4.738 * * * [progress]: simplifying candidates
4.738 * [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)
  (* (log x) 2)
  (* (log x) 2)
  (* 1 2)
  (pow x (* (cbrt 2) (cbrt 2)))
  (pow x (sqrt 2))
  (pow x 1)
  (pow (* (cbrt x) (cbrt x)) 2)
  (pow (cbrt x) 2)
  (pow (sqrt x) 2)
  (pow (sqrt x) 2)
  (pow 1 2)
  (pow x 2)
  (log (pow x 2))
  (exp (pow x 2))
  (* (cbrt (pow x 2)) (cbrt (pow x 2)))
  (cbrt (pow x 2))
  (* (* (pow x 2) (pow x 2)) (pow x 2))
  (sqrt (pow x 2))
  (sqrt (pow x 2))
  (pow x (/ 2 2))
  (pow x (/ 2 2))
  (+ (* 2.0 x) (pow x 2))
  (+ (* 2.0 x) (pow x 2))
  (+ (* 2.0 x) (pow x 2))
  (pow x 2)
  (pow x 2)
  (pow x 2)
4.739 * * [simplify]: iteration  0 :  53  enodes  (cost  278 )
4.746 * * [simplify]: iteration  1 :  141  enodes  (cost  248 )
4.766 * * [simplify]: iteration  2 :  409  enodes  (cost  190 )
4.845 * * [simplify]: iteration  3 :  1191  enodes  (cost  186 )
5.180 * * [simplify]: iteration  4 :  4451  enodes  (cost  186 )
6.843 * * [simplify]: iteration  done :  5000  enodes  (cost  186 )
6.843 * [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)
  (* (log x) 2)
  (* (log x) 2)
  2
  (pow x (* (cbrt 2) (cbrt 2)))
  (pow x (sqrt 2))
  x
  (pow (cbrt x) 4)
  (pow (cbrt x) 2)
  x
  x
  1
  (pow x 2)
  (* (log x) 2)
  (exp (pow x 2))
  (* (cbrt (pow x 2)) (cbrt (pow x 2)))
  (cbrt (pow x 2))
  (pow x 6)
  (fabs x)
  (fabs x)
  x
  x
  (* x (+ x 2.0))
  (* x (+ x 2.0))
  (* x (+ x 2.0))
  (pow x 2)
  (pow x 2)
  (pow x 2)
6.843 * * * [progress]: adding candidates to table
6.877 * [progress]: [Phase 3 of 3] Extracting.
6.878 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (+ (pow x 2) (* 2.0 x)))> #<alt (λ (x) (* x (+ x 2.0)))>)
6.878 * * * [regime-changes]: Trying 1 branch expressions: (x)
6.879 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (+ (pow x 2) (* 2.0 x)))> #<alt (λ (x) (* x (+ x 2.0)))>)
6.909 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
6.909 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (+ (pow x 2) (* 2.0 x))
6.910 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
6.910 * * [simplify]: iteration  1 :  8  enodes  (cost  7 )
6.910 * * [simplify]: iteration  done :  8  enodes  (cost  7 )
6.910 * [simplify]: Simplified to:
   (+ (pow x 2) (* 2.0 x))
7.947 * [regime-testing]: End program error score: 0.011126390798849856