0.824 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.256 * * * [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 )
0.269 * * [simplify]: iteration  1 :  15  enodes  (cost  9 )
0.271 * * [simplify]: iteration  2 :  35  enodes  (cost  9 )
0.277 * * [simplify]: iteration  3 :  84  enodes  (cost  9 )
0.295 * * [simplify]: iteration  4 :  204  enodes  (cost  9 )
0.360 * * [simplify]: iteration  5 :  332  enodes  (cost  9 )
0.468 * * [simplify]: iteration  6 :  509  enodes  (cost  9 )
0.686 * * [simplify]: iteration  7 :  793  enodes  (cost  9 )
1.590 * * [simplify]: iteration  8 :  1565  enodes  (cost  9 )
3.497 * * [simplify]: iteration  9 :  2281  enodes  (cost  9 )
4.910 * * [simplify]: iteration  10 :  2856  enodes  (cost  9 )
7.302 * * [simplify]: iteration  11 :  3238  enodes  (cost  9 )
9.591 * * [simplify]: iteration  12 :  3543  enodes  (cost  9 )
12.712 * * [simplify]: iteration  13 :  4105  enodes  (cost  9 )
14.450 * * [simplify]: iteration  done :  5001  enodes  (cost  9 )
14.451 * [simplify]: Simplified to:
   (- (* (+ x 1.0) (+ x 1.0)) 1.0)
14.452 * * [progress]: iteration 1 / 4
14.452 * * * [progress]: picking best candidate
14.453 * * * * [pick]: Picked  #<alt (λ (x) (- (* (+ x 1.0) (+ x 1.0)) 1.0))>
14.453 * * * [progress]: localizing error
14.459 * * * [progress]: generating rewritten candidates
14.459 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
14.469 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
14.491 * * * [progress]: generating series expansions
14.491 * * * * [progress]: [ 1 / 2 ] generating series at (2)
14.496 * [approximate]: Taking taylor expansion of (+ (pow x 2) (* 2.0 x)) in (x) around 0
14.497 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 2.0 x)) in x
14.497 * [taylor]: Taking taylor expansion of (pow x 2) in x
14.497 * [taylor]: Taking taylor expansion of x in x
14.497 * [taylor]: Taking taylor expansion of (* 2.0 x) in x
14.497 * [taylor]: Taking taylor expansion of 2.0 in x
14.497 * [taylor]: Taking taylor expansion of x in x
14.497 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 2.0 x)) in x
14.497 * [taylor]: Taking taylor expansion of (pow x 2) in x
14.497 * [taylor]: Taking taylor expansion of x in x
14.497 * [taylor]: Taking taylor expansion of (* 2.0 x) in x
14.497 * [taylor]: Taking taylor expansion of 2.0 in x
14.497 * [taylor]: Taking taylor expansion of x in x
14.510 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in (x) around 0
14.510 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
14.510 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
14.510 * [taylor]: Taking taylor expansion of (pow x 2) in x
14.510 * [taylor]: Taking taylor expansion of x in x
14.511 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
14.511 * [taylor]: Taking taylor expansion of 2.0 in x
14.511 * [taylor]: Taking taylor expansion of (/ 1 x) in x
14.511 * [taylor]: Taking taylor expansion of x in x
14.511 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
14.511 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
14.511 * [taylor]: Taking taylor expansion of (pow x 2) in x
14.511 * [taylor]: Taking taylor expansion of x in x
14.512 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
14.512 * [taylor]: Taking taylor expansion of 2.0 in x
14.512 * [taylor]: Taking taylor expansion of (/ 1 x) in x
14.512 * [taylor]: Taking taylor expansion of x in x
14.527 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in (x) around 0
14.527 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
14.527 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
14.527 * [taylor]: Taking taylor expansion of (pow x 2) in x
14.527 * [taylor]: Taking taylor expansion of x in x
14.528 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
14.528 * [taylor]: Taking taylor expansion of 2.0 in x
14.528 * [taylor]: Taking taylor expansion of (/ 1 x) in x
14.528 * [taylor]: Taking taylor expansion of x in x
14.528 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
14.528 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
14.528 * [taylor]: Taking taylor expansion of (pow x 2) in x
14.528 * [taylor]: Taking taylor expansion of x in x
14.528 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
14.528 * [taylor]: Taking taylor expansion of 2.0 in x
14.529 * [taylor]: Taking taylor expansion of (/ 1 x) in x
14.529 * [taylor]: Taking taylor expansion of x in x
14.546 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
14.546 * [approximate]: Taking taylor expansion of (pow (+ x 1.0) 2) in (x) around 0
14.546 * [taylor]: Taking taylor expansion of (pow (+ x 1.0) 2) in x
14.546 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
14.546 * [taylor]: Taking taylor expansion of x in x
14.546 * [taylor]: Taking taylor expansion of 1.0 in x
14.546 * [taylor]: Taking taylor expansion of (pow (+ x 1.0) 2) in x
14.546 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
14.546 * [taylor]: Taking taylor expansion of x in x
14.546 * [taylor]: Taking taylor expansion of 1.0 in x
14.549 * [approximate]: Taking taylor expansion of (pow (+ 1.0 (/ 1 x)) 2) in (x) around 0
14.549 * [taylor]: Taking taylor expansion of (pow (+ 1.0 (/ 1 x)) 2) in x
14.549 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
14.549 * [taylor]: Taking taylor expansion of 1.0 in x
14.549 * [taylor]: Taking taylor expansion of (/ 1 x) in x
14.549 * [taylor]: Taking taylor expansion of x in x
14.550 * [taylor]: Taking taylor expansion of (pow (+ 1.0 (/ 1 x)) 2) in x
14.550 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
14.550 * [taylor]: Taking taylor expansion of 1.0 in x
14.550 * [taylor]: Taking taylor expansion of (/ 1 x) in x
14.550 * [taylor]: Taking taylor expansion of x in x
14.554 * [approximate]: Taking taylor expansion of (pow (- 1.0 (/ 1 x)) 2) in (x) around 0
14.554 * [taylor]: Taking taylor expansion of (pow (- 1.0 (/ 1 x)) 2) in x
14.554 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
14.554 * [taylor]: Taking taylor expansion of 1.0 in x
14.554 * [taylor]: Taking taylor expansion of (/ 1 x) in x
14.554 * [taylor]: Taking taylor expansion of x in x
14.555 * [taylor]: Taking taylor expansion of (pow (- 1.0 (/ 1 x)) 2) in x
14.555 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
14.555 * [taylor]: Taking taylor expansion of 1.0 in x
14.555 * [taylor]: Taking taylor expansion of (/ 1 x) in x
14.555 * [taylor]: Taking taylor expansion of x in x
14.564 * * * [progress]: simplifying candidates
14.565 * [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))
14.567 * * [simplify]: iteration  0 :  106  enodes  (cost  849 )
14.592 * * [simplify]: iteration  1 :  276  enodes  (cost  717 )
14.701 * * [simplify]: iteration  2 :  975  enodes  (cost  646 )
15.981 * * [simplify]: iteration  3 :  4983  enodes  (cost  593 )
17.221 * * [simplify]: iteration  done :  5000  enodes  (cost  593 )
17.221 * [simplify]: Simplified to:
   (- (pow (sqrt (+ x 1.0)) 4) 1.0)
  (- 1.0 1.0)
  (- (pow (sqrt (+ x 1.0)) 4) 1.0)
  (- 1.0 1.0)
  (- (pow (sqrt (+ x 1.0)) 4) 1.0)
  (- 1.0 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))
  (- (* (+ x 1.0) 1.0) 1.0)
  (- (* (+ x 1.0) 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))
  (* (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))
  (fma x (+ x 2.0) 1.0)
  (fma x (+ x 2.0) 1.0)
  (fma x (+ x 2.0) 1.0)
17.222 * * * [progress]: adding candidates to table
17.315 * * [progress]: iteration 2 / 4
17.315 * * * [progress]: picking best candidate
17.318 * * * * [pick]: Picked  #<alt (λ (x) (* x (+ x 2.0)))>
17.318 * * * [progress]: localizing error
17.321 * * * [progress]: generating rewritten candidates
17.321 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
17.330 * * * [progress]: generating series expansions
17.330 * * * * [progress]: [ 1 / 1 ] generating series at (2)
17.330 * [approximate]: Taking taylor expansion of (* (+ x 2.0) x) in (x) around 0
17.330 * [taylor]: Taking taylor expansion of (* (+ x 2.0) x) in x
17.330 * [taylor]: Taking taylor expansion of (+ x 2.0) in x
17.330 * [taylor]: Taking taylor expansion of x in x
17.330 * [taylor]: Taking taylor expansion of 2.0 in x
17.330 * [taylor]: Taking taylor expansion of x in x
17.330 * [taylor]: Taking taylor expansion of (* (+ x 2.0) x) in x
17.330 * [taylor]: Taking taylor expansion of (+ x 2.0) in x
17.330 * [taylor]: Taking taylor expansion of x in x
17.330 * [taylor]: Taking taylor expansion of 2.0 in x
17.330 * [taylor]: Taking taylor expansion of x in x
17.339 * [approximate]: Taking taylor expansion of (/ (+ 2.0 (/ 1 x)) x) in (x) around 0
17.339 * [taylor]: Taking taylor expansion of (/ (+ 2.0 (/ 1 x)) x) in x
17.339 * [taylor]: Taking taylor expansion of (+ 2.0 (/ 1 x)) in x
17.339 * [taylor]: Taking taylor expansion of 2.0 in x
17.339 * [taylor]: Taking taylor expansion of (/ 1 x) in x
17.339 * [taylor]: Taking taylor expansion of x in x
17.339 * [taylor]: Taking taylor expansion of x in x
17.340 * [taylor]: Taking taylor expansion of (/ (+ 2.0 (/ 1 x)) x) in x
17.340 * [taylor]: Taking taylor expansion of (+ 2.0 (/ 1 x)) in x
17.340 * [taylor]: Taking taylor expansion of 2.0 in x
17.340 * [taylor]: Taking taylor expansion of (/ 1 x) in x
17.340 * [taylor]: Taking taylor expansion of x in x
17.340 * [taylor]: Taking taylor expansion of x in x
17.350 * [approximate]: Taking taylor expansion of (* -1 (/ (- 2.0 (/ 1 x)) x)) in (x) around 0
17.350 * [taylor]: Taking taylor expansion of (* -1 (/ (- 2.0 (/ 1 x)) x)) in x
17.350 * [taylor]: Taking taylor expansion of -1 in x
17.350 * [taylor]: Taking taylor expansion of (/ (- 2.0 (/ 1 x)) x) in x
17.350 * [taylor]: Taking taylor expansion of (- 2.0 (/ 1 x)) in x
17.350 * [taylor]: Taking taylor expansion of 2.0 in x
17.350 * [taylor]: Taking taylor expansion of (/ 1 x) in x
17.350 * [taylor]: Taking taylor expansion of x in x
17.350 * [taylor]: Taking taylor expansion of x in x
17.351 * [taylor]: Taking taylor expansion of (* -1 (/ (- 2.0 (/ 1 x)) x)) in x
17.351 * [taylor]: Taking taylor expansion of -1 in x
17.351 * [taylor]: Taking taylor expansion of (/ (- 2.0 (/ 1 x)) x) in x
17.351 * [taylor]: Taking taylor expansion of (- 2.0 (/ 1 x)) in x
17.351 * [taylor]: Taking taylor expansion of 2.0 in x
17.351 * [taylor]: Taking taylor expansion of (/ 1 x) in x
17.351 * [taylor]: Taking taylor expansion of x in x
17.351 * [taylor]: Taking taylor expansion of x in x
17.368 * * * [progress]: simplifying candidates
17.368 * [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))
17.370 * * [simplify]: iteration  0 :  46  enodes  (cost  206 )
17.382 * * [simplify]: iteration  1 :  125  enodes  (cost  193 )
17.405 * * [simplify]: iteration  2 :  345  enodes  (cost  175 )
17.526 * * [simplify]: iteration  3 :  1115  enodes  (cost  174 )
19.220 * * [simplify]: iteration  4 :  4630  enodes  (cost  174 )
20.921 * * [simplify]: iteration  done :  5000  enodes  (cost  174 )
20.921 * [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)))
  (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))
  (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))
20.922 * * * [progress]: adding candidates to table
20.954 * * [progress]: iteration 3 / 4
20.954 * * * [progress]: picking best candidate
20.957 * * * * [pick]: Picked  #<alt (λ (x) (+ (pow x 2) (* 2.0 x)))>
20.957 * * * [progress]: localizing error
20.961 * * * [progress]: generating rewritten candidates
20.962 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
20.968 * * * [progress]: generating series expansions
20.968 * * * * [progress]: [ 1 / 1 ] generating series at (2)
20.968 * [approximate]: Taking taylor expansion of (+ (pow x 2) (* 2.0 x)) in (x) around 0
20.968 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 2.0 x)) in x
20.968 * [taylor]: Taking taylor expansion of (pow x 2) in x
20.968 * [taylor]: Taking taylor expansion of x in x
20.968 * [taylor]: Taking taylor expansion of (* 2.0 x) in x
20.968 * [taylor]: Taking taylor expansion of 2.0 in x
20.968 * [taylor]: Taking taylor expansion of x in x
20.968 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 2.0 x)) in x
20.968 * [taylor]: Taking taylor expansion of (pow x 2) in x
20.968 * [taylor]: Taking taylor expansion of x in x
20.969 * [taylor]: Taking taylor expansion of (* 2.0 x) in x
20.969 * [taylor]: Taking taylor expansion of 2.0 in x
20.969 * [taylor]: Taking taylor expansion of x in x
20.980 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in (x) around 0
20.980 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
20.980 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
20.980 * [taylor]: Taking taylor expansion of (pow x 2) in x
20.980 * [taylor]: Taking taylor expansion of x in x
20.980 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
20.981 * [taylor]: Taking taylor expansion of 2.0 in x
20.981 * [taylor]: Taking taylor expansion of (/ 1 x) in x
20.981 * [taylor]: Taking taylor expansion of x in x
20.981 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
20.981 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
20.981 * [taylor]: Taking taylor expansion of (pow x 2) in x
20.981 * [taylor]: Taking taylor expansion of x in x
20.981 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
20.981 * [taylor]: Taking taylor expansion of 2.0 in x
20.981 * [taylor]: Taking taylor expansion of (/ 1 x) in x
20.981 * [taylor]: Taking taylor expansion of x in x
20.997 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in (x) around 0
20.997 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
20.997 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
20.997 * [taylor]: Taking taylor expansion of (pow x 2) in x
20.997 * [taylor]: Taking taylor expansion of x in x
20.997 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
20.997 * [taylor]: Taking taylor expansion of 2.0 in x
20.997 * [taylor]: Taking taylor expansion of (/ 1 x) in x
20.997 * [taylor]: Taking taylor expansion of x in x
20.997 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x
20.997 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
20.997 * [taylor]: Taking taylor expansion of (pow x 2) in x
20.997 * [taylor]: Taking taylor expansion of x in x
20.998 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x
20.998 * [taylor]: Taking taylor expansion of 2.0 in x
20.998 * [taylor]: Taking taylor expansion of (/ 1 x) in x
20.998 * [taylor]: Taking taylor expansion of x in x
21.017 * * * [progress]: simplifying candidates
21.018 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (+ (pow x 2) (* 2.0 x)))
  (log1p (+ (pow x 2) (* 2.0 x)))
  (* (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))
21.019 * * [simplify]: iteration  0 :  30  enodes  (cost  185 )
21.024 * * [simplify]: iteration  1 :  95  enodes  (cost  172 )
21.054 * * [simplify]: iteration  2 :  324  enodes  (cost  125 )
21.163 * * [simplify]: iteration  3 :  946  enodes  (cost  123 )
21.586 * * [simplify]: iteration  4 :  2540  enodes  (cost  123 )
22.619 * * [simplify]: iteration  done :  5000  enodes  (cost  123 )
22.619 * [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 (* 2.0 x) 3) (pow x 6))
  (fma (* 2.0 x) (* x (- 2.0 x)) (pow x 4))
  (- (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))
22.619 * * * [progress]: adding candidates to table
22.659 * * [progress]: iteration 4 / 4
22.659 * * * [progress]: picking best candidate
22.661 * * * * [pick]: Picked  #<alt (λ (x) (fma (pow x (/ 2 2)) (pow x (/ 2 2)) (* 2.0 x)))>
22.661 * * * [progress]: localizing error
22.667 * * * [progress]: generating rewritten candidates
22.667 * * * [progress]: generating series expansions
22.667 * * * [progress]: simplifying candidates
22.667 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   
22.668 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
22.668 * * [simplify]: iteration  done :  0  enodes  (cost  0 )
22.668 * [simplify]: Simplified to:
   
22.668 * * * [progress]: adding candidates to table
22.668 * [progress]: [Phase 3 of 3] Extracting.
22.670 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (fma (pow x (/ 2 2)) (pow x (/ 2 2)) (* 2.0 x))
22.670 * * [simplify]: iteration  0 :  7  enodes  (cost  14 )
22.670 * * [simplify]: iteration  1 :  8  enodes  (cost  14 )
22.670 * * [simplify]: iteration  done :  8  enodes  (cost  14 )
22.670 * [simplify]: Simplified to:
   (fma (pow x (/ 2 2)) (pow x (/ 2 2)) (* 2.0 x))
23.204 * [regime-testing]: End program error score: 0