0.241 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.015 * * * [progress]: [2/2] Setting up program.
0.017 * [progress]: [Phase 2 of 3] Improving.
0.017 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (sqrt (- 1.0 (* x x)))
0.018 * * [simplify]: iteration  0 :  5  enodes  (cost  6 )
0.019 * * [simplify]: iteration  1 :  7  enodes  (cost  6 )
0.019 * * [simplify]: iteration  2 :  11  enodes  (cost  6 )
0.021 * * [simplify]: iteration  3 :  13  enodes  (cost  6 )
0.022 * * [simplify]: iteration  done :  13  enodes  (cost  6 )
0.022 * [simplify]: Simplified to:
   (sqrt (- 1.0 (* x x)))
0.022 * * [progress]: iteration 1 / 4
0.022 * * * [progress]: picking best candidate
0.024 * * * * [pick]: Picked  #<alt (λ (x) (sqrt (- 1.0 (* x x))))>
0.024 * * * [progress]: localizing error
0.027 * * * [progress]: generating rewritten candidates
0.027 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.031 * * * [progress]: generating series expansions
0.031 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.032 * [approximate]: Taking taylor expansion of (sqrt (- 1.0 (pow x 2))) in (x) around 0
0.032 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (pow x 2))) in x
0.032 * [taylor]: Taking taylor expansion of (- 1.0 (pow x 2)) in x
0.032 * [taylor]: Taking taylor expansion of 1.0 in x
0.032 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.032 * [taylor]: Taking taylor expansion of x in x
0.033 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (pow x 2))) in x
0.033 * [taylor]: Taking taylor expansion of (- 1.0 (pow x 2)) in x
0.033 * [taylor]: Taking taylor expansion of 1.0 in x
0.033 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.033 * [taylor]: Taking taylor expansion of x in x
0.048 * [approximate]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 (pow x 2)))) in (x) around 0
0.048 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 (pow x 2)))) in x
0.048 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 (pow x 2))) in x
0.048 * [taylor]: Taking taylor expansion of 1.0 in x
0.048 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.048 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.048 * [taylor]: Taking taylor expansion of x in x
0.051 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 (pow x 2)))) in x
0.051 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 (pow x 2))) in x
0.051 * [taylor]: Taking taylor expansion of 1.0 in x
0.051 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.051 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.051 * [taylor]: Taking taylor expansion of x in x
0.073 * [approximate]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 (pow x 2)))) in (x) around 0
0.073 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 (pow x 2)))) in x
0.073 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 (pow x 2))) in x
0.073 * [taylor]: Taking taylor expansion of 1.0 in x
0.073 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.073 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.073 * [taylor]: Taking taylor expansion of x in x
0.076 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 (pow x 2)))) in x
0.076 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 (pow x 2))) in x
0.076 * [taylor]: Taking taylor expansion of 1.0 in x
0.076 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.076 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.076 * [taylor]: Taking taylor expansion of x in x
0.094 * * * [progress]: simplifying candidates
0.094 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (sqrt (- 1.0 (* x x))))
  (log1p (sqrt (- 1.0 (* x x))))
  (log (sqrt (- 1.0 (* x x))))
  (exp (sqrt (- 1.0 (* x x))))
  (* (cbrt (sqrt (- 1.0 (* x x)))) (cbrt (sqrt (- 1.0 (* x x)))))
  (cbrt (sqrt (- 1.0 (* x x))))
  (* (* (sqrt (- 1.0 (* x x))) (sqrt (- 1.0 (* x x)))) (sqrt (- 1.0 (* x x))))
  (sqrt (* (cbrt (- 1.0 (* x x))) (cbrt (- 1.0 (* x x)))))
  (sqrt (cbrt (- 1.0 (* x x))))
  (sqrt (sqrt (- 1.0 (* x x))))
  (sqrt (sqrt (- 1.0 (* x x))))
  (sqrt 1)
  (sqrt (- 1.0 (* x x)))
  (sqrt (+ (sqrt 1.0) x))
  (sqrt (- (sqrt 1.0) x))
  (sqrt (- (pow 1.0 3) (pow (* x x) 3)))
  (sqrt (+ (* 1.0 1.0) (+ (* (* x x) (* x x)) (* 1.0 (* x x)))))
  (sqrt (- (* 1.0 1.0) (* (* x x) (* x x))))
  (sqrt (+ 1.0 (* x x)))
  (/ 1 2)
  (sqrt (sqrt (- 1.0 (* x x))))
  (sqrt (sqrt (- 1.0 (* x x))))
  (- (sqrt 1.0) (+ (* 1/8 (/ (pow x 4) (pow (sqrt 1.0) 3))) (* 1/2 (/ (pow x 2) (sqrt 1.0)))))
  (- (+ (* 0.5 (/ 1 (* x (sqrt -1)))) (* x (sqrt -1))) (* 0.125 (/ 1 (* (pow x 3) (pow (sqrt -1) 3)))))
  (- (* 0.125 (/ 1 (* (pow x 3) (pow (sqrt -1) 3)))) (+ (* 0.5 (/ 1 (* x (sqrt -1)))) (* x (sqrt -1))))
0.096 * * [simplify]: iteration  0 :  69  enodes  (cost  260 )
0.107 * * [simplify]: iteration  1 :  163  enodes  (cost  232 )
0.140 * * [simplify]: iteration  2 :  506  enodes  (cost  214 )