0.818 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.256 * * * [progress]: [2/2] Setting up program.
0.258 * [progress]: [Phase 2 of 3] Improving.
0.261 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (* (+ x 1.0) (+ x 1.0)) 1.0)
0.264 * * [simplify]: iteration  0 :  5  enodes  (cost  9 )
0.268 * * [simplify]: iteration  1 :  15  enodes  (cost  9 )
0.270 * * [simplify]: iteration  2 :  35  enodes  (cost  9 )
0.276 * * [simplify]: iteration  3 :  84  enodes  (cost  9 )
0.294 * * [simplify]: iteration  4 :  204  enodes  (cost  9 )
0.358 * * [simplify]: iteration  5 :  332  enodes  (cost  9 )
0.470 * * [simplify]: iteration  6 :  509  enodes  (cost  9 )
0.692 * * [simplify]: iteration  7 :  793  enodes  (cost  9 )
1.513 * * [simplify]: iteration  8 :  1548  enodes  (cost  9 )
2.615 * * [simplify]: iteration  9 :  2258  enodes  (cost  9 )
3.776 * * [simplify]: iteration  10 :  2814  enodes  (cost  9 )
6.101 * * [simplify]: iteration  11 :  3194  enodes  (cost  9 )
8.934 * * [simplify]: iteration  12 :  3452  enodes  (cost  9 )
10.783 * * [simplify]: iteration  13 :  3773  enodes  (cost  9 )
14.159 * * [simplify]: iteration  done :  5000  enodes  (cost  9 )
14.159 * [simplify]: Simplified to:
   (- (* (+ x 1.0) (+ x 1.0)) 1.0)
14.160 * * [progress]: iteration 1 / 4
14.161 * * * [progress]: picking best candidate
14.162 * * * * [pick]: Picked  #<alt (λ (x) (- (* (+ x 1.0) (+ x 1.0)) 1.0))>
14.162 * * * [progress]: localizing error
14.168 * * * [progress]: generating rewritten candidates
14.168 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
14.178 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
14.196 * * * [progress]: generating series expansions
14.196 * * * * [progress]: [ 1 / 2 ] generating series at (2)
14.200 * [approximate]: Taking taylor expansion of (+ (pow x 2) (* 2.0 x)) in (x) around 0
14.201 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 2.0 x)) in x
14.201 * [taylor]: Taking taylor expansion of (pow x 2) in x
14.201 * [taylor]: Taking taylor expansion of x in x
14.201 * [taylor]: Taking taylor expansion of (* 2.0 x) in x
14.201 * [taylor]: Taking taylor expansion of 2.0 in x
14.201 * [taylor]: Taking taylor expansion of x in x
14.202 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 2.0 x)) in x
14.202 * [taylor]: Taking taylor expansion of (pow x 2) in x
14.202 * [taylor]: Taking taylor expansion of x in x
14.202 * [taylor]: Taking taylor expansion of (* 2.0 x) in x
14.202 * [taylor]: Taking taylor expansion of 2.0 in x
14.202 * [taylor]: Taking taylor expansion of x in x
14.215 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in (x) around 0
14.215 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
14.215 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
14.215 * [taylor]: Taking taylor expansion of (pow x 2) in x
14.215 * [taylor]: Taking taylor expansion of x in x
14.215 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
14.215 * [taylor]: Taking taylor expansion of 2.0 in x
14.215 * [taylor]: Taking taylor expansion of (/ 1 x) in x
14.215 * [taylor]: Taking taylor expansion of x in x
14.216 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
14.216 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
14.216 * [taylor]: Taking taylor expansion of (pow x 2) in x
14.216 * [taylor]: Taking taylor expansion of x in x
14.216 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
14.216 * [taylor]: Taking taylor expansion of 2.0 in x
14.216 * [taylor]: Taking taylor expansion of (/ 1 x) in x
14.216 * [taylor]: Taking taylor expansion of x in x
14.232 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in (x) around 0
14.232 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
14.232 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
14.232 * [taylor]: Taking taylor expansion of (pow x 2) in x
14.232 * [taylor]: Taking taylor expansion of x in x
14.233 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
14.233 * [taylor]: Taking taylor expansion of 2.0 in x
14.233 * [taylor]: Taking taylor expansion of (/ 1 x) in x
14.233 * [taylor]: Taking taylor expansion of x in x
14.233 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
14.233 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
14.233 * [taylor]: Taking taylor expansion of (pow x 2) in x
14.233 * [taylor]: Taking taylor expansion of x in x
14.353 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
14.353 * [taylor]: Taking taylor expansion of 2.0 in x
14.353 * [taylor]: Taking taylor expansion of (/ 1 x) in x
14.353 * [taylor]: Taking taylor expansion of x in x
14.371 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
14.371 * [approximate]: Taking taylor expansion of (pow (+ x 1.0) 2) in (x) around 0
14.371 * [taylor]: Taking taylor expansion of (pow (+ x 1.0) 2) in x
14.371 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
14.371 * [taylor]: Taking taylor expansion of x in x
14.371 * [taylor]: Taking taylor expansion of 1.0 in x
14.371 * [taylor]: Taking taylor expansion of (pow (+ x 1.0) 2) in x
14.371 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
14.371 * [taylor]: Taking taylor expansion of x in x
14.371 * [taylor]: Taking taylor expansion of 1.0 in x
14.374 * [approximate]: Taking taylor expansion of (pow (+ 1.0 (/ 1 x)) 2) in (x) around 0
14.374 * [taylor]: Taking taylor expansion of (pow (+ 1.0 (/ 1 x)) 2) in x
14.374 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
14.374 * [taylor]: Taking taylor expansion of 1.0 in x
14.374 * [taylor]: Taking taylor expansion of (/ 1 x) in x
14.374 * [taylor]: Taking taylor expansion of x in x
14.375 * [taylor]: Taking taylor expansion of (pow (+ 1.0 (/ 1 x)) 2) in x
14.375 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
14.375 * [taylor]: Taking taylor expansion of 1.0 in x
14.375 * [taylor]: Taking taylor expansion of (/ 1 x) in x
14.375 * [taylor]: Taking taylor expansion of x in x
14.379 * [approximate]: Taking taylor expansion of (pow (- 1.0 (/ 1 x)) 2) in (x) around 0
14.379 * [taylor]: Taking taylor expansion of (pow (- 1.0 (/ 1 x)) 2) in x
14.379 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
14.379 * [taylor]: Taking taylor expansion of 1.0 in x
14.379 * [taylor]: Taking taylor expansion of (/ 1 x) in x
14.379 * [taylor]: Taking taylor expansion of x in x
14.380 * [taylor]: Taking taylor expansion of (pow (- 1.0 (/ 1 x)) 2) in x
14.380 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
14.380 * [taylor]: Taking taylor expansion of 1.0 in x
14.380 * [taylor]: Taking taylor expansion of (/ 1 x) in x
14.380 * [taylor]: Taking taylor expansion of x in x
14.385 * * * [progress]: simplifying candidates
14.387 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (fma (+ x 1.0) (+ x 1.0) (- (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0)))))
  (fma (- (cbrt 1.0)) (* (cbrt 1.0) (cbrt 1.0)) (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0))))
  (fma (+ x 1.0) (+ x 1.0) (- (* (sqrt 1.0) (sqrt 1.0))))
  (fma (- (sqrt 1.0)) (sqrt 1.0) (* (sqrt 1.0) (sqrt 1.0)))
  (fma (+ x 1.0) (+ x 1.0) (- (* 1.0 1)))
  (fma (- 1.0) 1 (* 1.0 1))
  (expm1 (- (* (+ x 1.0) (+ x 1.0)) 1.0))
  (log1p (- (* (+ x 1.0) (+ x 1.0)) 1.0))
  (- 1.0)
  (/ (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)
  (expm1 (* (+ x 1.0) (+ x 1.0)))
  (log1p (* (+ x 1.0) (+ x 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))
14.389 * * [simplify]: iteration  0 :  106  enodes  (cost  849 )
14.416 * * [simplify]: iteration  1 :  273  enodes  (cost  717 )
14.520 * * [simplify]: iteration  2 :  972  enodes  (cost  646 )
15.703 * * [simplify]: iteration  3 :  4980  enodes  (cost  593 )
16.687 * * [simplify]: iteration  done :  5000  enodes  (cost  593 )
16.687 * [simplify]: Simplified to:
   (- (pow (sqrt (+ x 1.0)) 4) 1.0)
  (* 0 1.0)
  (- (pow (sqrt (+ x 1.0)) 4) 1.0)
  (* 0 1.0)
  (- (pow (sqrt (+ x 1.0)) 4) 1.0)
  (* 0 1.0)
  (expm1 (- (pow (sqrt (+ x 1.0)) 4) 1.0))
  (log1p (- (pow (sqrt (+ x 1.0)) 4) 1.0))
  (- 1.0)
  (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))
  (fma (fma (+ x 1.0) (+ x 1.0) 1.0) 1.0 (pow (+ 1.0 x) 4))
  (- 1.0)
  (fma (- 1.0) 1.0 (pow (+ 1.0 x) 4))
  (fma (+ x 1.0) (+ x 1.0) 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)
  (- 1.0)
  (expm1 (pow (sqrt (+ x 1.0)) 4))
  (log1p (pow (sqrt (+ x 1.0)) 4))
  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)))
  (* (fma x x (* 1.0 (- 1.0 x))) (fma x x (* 1.0 (- 1.0 x))))
  (* (+ (pow x 3) (pow 1.0 3)) (- (* x x) (* 1.0 1.0)))
  (* (- x 1.0) (fma x x (* 1.0 (- 1.0 x))))
  (* (+ (pow x 3) (pow 1.0 3)) (- (* x x) (* 1.0 1.0)))
  (* (- x 1.0) (fma 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)))
  (+ 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 1.0) x)
  (* 1.0 (+ x 1.0))
  (* (+ x 1.0) x)
  (* 1.0 (+ x 1.0))
  (* (pow (cbrt (+ x 1.0)) 4) (cbrt (+ x 1.0)))
  (pow (sqrt (+ x 1.0)) 3)
  (+ 1.0 x)
  (+ 1.0 x)
  (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 (+ x 2.0))
  (* x (+ x 2.0))
  (* x (+ x 2.0))
  (fma x (+ 2.0 x) 1.0)
  (fma x (+ 2.0 x) 1.0)
  (fma x (+ 2.0 x) 1.0)
16.688 * * * [progress]: adding candidates to table
16.782 * * [progress]: iteration 2 / 4
16.782 * * * [progress]: picking best candidate
16.783 * * * * [pick]: Picked  #<alt (λ (x) (* x (+ x 2.0)))>
16.783 * * * [progress]: localizing error
16.786 * * * [progress]: generating rewritten candidates
16.786 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
16.795 * * * [progress]: generating series expansions
16.795 * * * * [progress]: [ 1 / 1 ] generating series at (2)
16.796 * [approximate]: Taking taylor expansion of (* (+ x 2.0) x) in (x) around 0
16.796 * [taylor]: Taking taylor expansion of (* (+ x 2.0) x) in x
16.796 * [taylor]: Taking taylor expansion of (+ x 2.0) in x
16.796 * [taylor]: Taking taylor expansion of x in x
16.796 * [taylor]: Taking taylor expansion of 2.0 in x
16.796 * [taylor]: Taking taylor expansion of x in x
16.796 * [taylor]: Taking taylor expansion of (* (+ x 2.0) x) in x
16.796 * [taylor]: Taking taylor expansion of (+ x 2.0) in x
16.796 * [taylor]: Taking taylor expansion of x in x
16.796 * [taylor]: Taking taylor expansion of 2.0 in x
16.796 * [taylor]: Taking taylor expansion of x in x
16.804 * [approximate]: Taking taylor expansion of (/ (+ 2.0 (/ 1 x)) x) in (x) around 0
16.804 * [taylor]: Taking taylor expansion of (/ (+ 2.0 (/ 1 x)) x) in x
16.804 * [taylor]: Taking taylor expansion of (+ 2.0 (/ 1 x)) in x
16.804 * [taylor]: Taking taylor expansion of 2.0 in x
16.804 * [taylor]: Taking taylor expansion of (/ 1 x) in x
16.804 * [taylor]: Taking taylor expansion of x in x
16.805 * [taylor]: Taking taylor expansion of x in x
16.805 * [taylor]: Taking taylor expansion of (/ (+ 2.0 (/ 1 x)) x) in x
16.805 * [taylor]: Taking taylor expansion of (+ 2.0 (/ 1 x)) in x
16.805 * [taylor]: Taking taylor expansion of 2.0 in x
16.805 * [taylor]: Taking taylor expansion of (/ 1 x) in x
16.805 * [taylor]: Taking taylor expansion of x in x
16.806 * [taylor]: Taking taylor expansion of x in x
16.815 * [approximate]: Taking taylor expansion of (* -1 (/ (- 2.0 (/ 1 x)) x)) in (x) around 0
16.816 * [taylor]: Taking taylor expansion of (* -1 (/ (- 2.0 (/ 1 x)) x)) in x
16.816 * [taylor]: Taking taylor expansion of -1 in x
16.816 * [taylor]: Taking taylor expansion of (/ (- 2.0 (/ 1 x)) x) in x
16.816 * [taylor]: Taking taylor expansion of (- 2.0 (/ 1 x)) in x
16.816 * [taylor]: Taking taylor expansion of 2.0 in x
16.816 * [taylor]: Taking taylor expansion of (/ 1 x) in x
16.816 * [taylor]: Taking taylor expansion of x in x
16.816 * [taylor]: Taking taylor expansion of x in x
16.817 * [taylor]: Taking taylor expansion of (* -1 (/ (- 2.0 (/ 1 x)) x)) in x
16.817 * [taylor]: Taking taylor expansion of -1 in x
16.817 * [taylor]: Taking taylor expansion of (/ (- 2.0 (/ 1 x)) x) in x
16.817 * [taylor]: Taking taylor expansion of (- 2.0 (/ 1 x)) in x
16.817 * [taylor]: Taking taylor expansion of 2.0 in x
16.817 * [taylor]: Taking taylor expansion of (/ 1 x) in x
16.817 * [taylor]: Taking taylor expansion of x in x
16.817 * [taylor]: Taking taylor expansion of x in x
16.834 * * * [progress]: simplifying candidates
16.835 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (* x (+ x 2.0)))
  (log1p (* x (+ x 2.0)))
  (* 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))
16.836 * * [simplify]: iteration  0 :  46  enodes  (cost  206 )
16.849 * * [simplify]: iteration  1 :  125  enodes  (cost  193 )
16.871 * * [simplify]: iteration  2 :  345  enodes  (cost  175 )
17.008 * * [simplify]: iteration  3 :  1115  enodes  (cost  174 )
18.899 * * [simplify]: iteration  4 :  4440  enodes  (cost  174 )
20.133 * * [simplify]: iteration  done :  5001  enodes  (cost  174 )
20.133 * [simplify]: Simplified to:
   (expm1 (* x (+ x 2.0)))
  (log1p (* x (+ x 2.0)))
  (* x (+ x 2.0))
  (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)))
  (* x x)
  (* 2.0 x)
  (* x x)
  (* 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))
  (fma x (pow 2.0 3) (pow x 4))
  (* x (- (* x x) (* 2.0 2.0)))
  (* x (+ x 2.0))
  (* x (+ x 2.0))
  (* x (+ x 2.0))
20.133 * * * [progress]: adding candidates to table
20.164 * * [progress]: iteration 3 / 4
20.164 * * * [progress]: picking best candidate
20.165 * * * * [pick]: Picked  #<alt (λ (x) (+ (* x x) (* 2.0 x)))>
20.165 * * * [progress]: localizing error
20.169 * * * [progress]: generating rewritten candidates
20.169 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
20.172 * * * [progress]: generating series expansions
20.172 * * * * [progress]: [ 1 / 1 ] generating series at (2)
20.172 * [approximate]: Taking taylor expansion of (+ (pow x 2) (* 2.0 x)) in (x) around 0
20.172 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 2.0 x)) in x
20.172 * [taylor]: Taking taylor expansion of (pow x 2) in x
20.172 * [taylor]: Taking taylor expansion of x in x
20.172 * [taylor]: Taking taylor expansion of (* 2.0 x) in x
20.172 * [taylor]: Taking taylor expansion of 2.0 in x
20.172 * [taylor]: Taking taylor expansion of x in x
20.172 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 2.0 x)) in x
20.172 * [taylor]: Taking taylor expansion of (pow x 2) in x
20.172 * [taylor]: Taking taylor expansion of x in x
20.172 * [taylor]: Taking taylor expansion of (* 2.0 x) in x
20.172 * [taylor]: Taking taylor expansion of 2.0 in x
20.172 * [taylor]: Taking taylor expansion of x in x
20.186 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in (x) around 0
20.186 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
20.186 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
20.186 * [taylor]: Taking taylor expansion of (pow x 2) in x
20.186 * [taylor]: Taking taylor expansion of x in x
20.187 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
20.187 * [taylor]: Taking taylor expansion of 2.0 in x
20.187 * [taylor]: Taking taylor expansion of (/ 1 x) in x
20.187 * [taylor]: Taking taylor expansion of x in x
20.187 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
20.187 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
20.187 * [taylor]: Taking taylor expansion of (pow x 2) in x
20.187 * [taylor]: Taking taylor expansion of x in x
20.187 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
20.187 * [taylor]: Taking taylor expansion of 2.0 in x
20.187 * [taylor]: Taking taylor expansion of (/ 1 x) in x
20.187 * [taylor]: Taking taylor expansion of x in x
20.203 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in (x) around 0
20.203 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
20.203 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
20.203 * [taylor]: Taking taylor expansion of (pow x 2) in x
20.203 * [taylor]: Taking taylor expansion of x in x
20.204 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
20.204 * [taylor]: Taking taylor expansion of 2.0 in x
20.204 * [taylor]: Taking taylor expansion of (/ 1 x) in x
20.204 * [taylor]: Taking taylor expansion of x in x
20.204 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
20.204 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
20.204 * [taylor]: Taking taylor expansion of (pow x 2) in x
20.204 * [taylor]: Taking taylor expansion of x in x
20.204 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
20.204 * [taylor]: Taking taylor expansion of 2.0 in x
20.204 * [taylor]: Taking taylor expansion of (/ 1 x) in x
20.204 * [taylor]: Taking taylor expansion of x in x
20.222 * * * [progress]: simplifying candidates
20.222 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (+ (* x x) (* 2.0 x)))
  (log1p (+ (* x x) (* 2.0 x)))
  (* (exp (* x x)) (exp (* 2.0 x)))
  (log (+ (* x x) (* 2.0 x)))
  (exp (+ (* x x) (* 2.0 x)))
  (* (cbrt (+ (* x x) (* 2.0 x))) (cbrt (+ (* x x) (* 2.0 x))))
  (cbrt (+ (* x x) (* 2.0 x)))
  (* (* (+ (* x x) (* 2.0 x)) (+ (* x x) (* 2.0 x))) (+ (* x x) (* 2.0 x)))
  (sqrt (+ (* x x) (* 2.0 x)))
  (sqrt (+ (* x x) (* 2.0 x)))
  (+ (pow (* x x) 3) (pow (* 2.0 x) 3))
  (+ (* (* x x) (* x x)) (- (* (* 2.0 x) (* 2.0 x)) (* (* x x) (* 2.0 x))))
  (- (* (* x x) (* x x)) (* (* 2.0 x) (* 2.0 x)))
  (- (* x x) (* 2.0 x))
  (+ x 2.0)
  (+ (pow x 2) (* 2.0 x))
  (+ (pow x 2) (* 2.0 x))
  (+ (pow x 2) (* 2.0 x))
20.224 * * [simplify]: iteration  0 :  32  enodes  (cost  185 )
20.230 * * [simplify]: iteration  1 :  107  enodes  (cost  141 )
20.273 * * [simplify]: iteration  2 :  385  enodes  (cost  123 )
20.386 * * [simplify]: iteration  3 :  1098  enodes  (cost  123 )
20.903 * * [simplify]: iteration  4 :  2753  enodes  (cost  123 )
21.969 * * [simplify]: iteration  done :  5000  enodes  (cost  123 )
21.969 * [simplify]: Simplified to:
   (expm1 (* x (+ x 2.0)))
  (log1p (* x (+ x 2.0)))
  (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 x 6) (pow (* 2.0 x) 3))
  (fma (* 2.0 x) (* x (- 2.0 x)) (pow x 4))
  (* (* x (+ 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))
21.969 * * * [progress]: adding candidates to table
21.992 * [progress]: [Phase 3 of 3] Extracting.
21.993 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (+ (* x x) (* 2.0 x)))> #<alt (λ (x) (* x (+ x 2.0)))>)
21.993 * * * [regime-changes]: Trying 1 branch expressions: (x)
21.994 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (+ (* x x) (* 2.0 x)))> #<alt (λ (x) (* x (+ x 2.0)))>)
22.005 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
22.006 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (+ (* x x) (* 2.0 x))
22.006 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
22.006 * * [simplify]: iteration  1 :  7  enodes  (cost  7 )
22.006 * * [simplify]: iteration  done :  7  enodes  (cost  7 )
22.006 * [simplify]: Simplified to:
   (+ (* x x) (* 2.0 x))
22.534 * [regime-testing]: Baseline error score: 0.010022493436859896
22.535 * [regime-testing]: Oracle error score: 0.00025003125390673836
22.536 * [regime-testing]: End program error score: 0.010022493436859896