* [misc]progress:  [Phase 1 of 3] Setting up.
* * * [misc]progress:  [1/2] Preparing points
* * * [misc]progress:  [2/2] Setting up program.
* [enter]simplify:  Simplifying (* 2 (atan (sqrt (/ (- 1 x) (+ 1 x)))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* [exit]simplify:  Simplified to (* (atan (sqrt (/ (- 1 x) (+ x 1)))) 2)
* [misc]progress:  [Phase 2 of 3] Improving.
* * [misc]progress:  iteration 1 / 3
* * * [misc]progress:  picking best candidate
* * * * [misc]pick:  Picked  #<alt-event (λ (x) (* 2 (atan (sqrt (/ (- 1 x) (+ 1 x))))))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 3 ] generating series at (2 2 1 1)
* [misc]approximate:  Taking taylor expansion of (/ (- 1 x) (+ 1 x)) in (x) around 0
* [misc]taylor:  Taking taylor expansion of (/ (- 1 x) (+ 1 x)) in x
* [misc]taylor:  Taking taylor expansion of (- 1 x) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ 1 x) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ (- 1 x) (+ 1 x)) in x
* [misc]taylor:  Taking taylor expansion of (- 1 x) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ 1 x) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (- (/ -1 1) (+ (* 1 (/ 1 1)))) into -2
* [misc]backup-simplify:  Simplify -2 into -2
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* 1 (/ 0 1)) (* -2 (/ 1 1)))) into 2
* [misc]backup-simplify:  Simplify 2 into 2
* [misc]backup-simplify:  Simplify (+ (* 2 (sqr x)) (+ (* -2 x) 1)) into (- (+ (* 2 (sqr x)) 1) (* 2 x))
* [misc]approximate:  Taking taylor expansion of (/ (- 1 (/ 1 x)) (+ 1 (/ 1 x))) in (x) around 0
* [misc]taylor:  Taking taylor expansion of (/ (- 1 (/ 1 x)) (+ 1 (/ 1 x))) in x
* [misc]taylor:  Taking taylor expansion of (- 1 (/ 1 x)) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (+ 1 (/ 1 x)) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (/ -1 1) into -1
* [misc]taylor:  Taking taylor expansion of (/ (- 1 (/ 1 x)) (+ 1 (/ 1 x))) in x
* [misc]taylor:  Taking taylor expansion of (- 1 (/ 1 x)) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (+ 1 (/ 1 x)) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (/ -1 1) into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (- (/ 1 1) (+ (* -1 (/ 1 1)))) into 2
* [misc]backup-simplify:  Simplify 2 into 2
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* -1 (/ 0 1)) (* 2 (/ 1 1)))) into -2
* [misc]backup-simplify:  Simplify -2 into -2
* [misc]backup-simplify:  Simplify (+ (* -2 (sqr (/ 1 x))) (+ (* 2 (/ 1 x)) -1)) into (- (* 2 (/ 1 x)) (+ (* 2 (/ 1 (sqr x))) 1))
* [misc]approximate:  Taking taylor expansion of (/ (- 1 (/ 1 (- x))) (+ 1 (/ 1 (- x)))) in (x) around 0
* [misc]taylor:  Taking taylor expansion of (/ (- 1 (/ 1 (- x))) (+ 1 (/ 1 (- x)))) in x
* [misc]taylor:  Taking taylor expansion of (- 1 (/ 1 (- x))) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (+ 1 (/ 1 (- x))) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (- -1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ (- 1 (/ 1 (- x))) (+ 1 (/ 1 (- x)))) in x
* [misc]taylor:  Taking taylor expansion of (- 1 (/ 1 (- x))) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (+ 1 (/ 1 (- x))) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (- -1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (- (/ 1 -1) (+ (* -1 (/ 1 -1)))) into -2
* [misc]backup-simplify:  Simplify -2 into -2
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 -1) (+ (* -1 (/ 0 -1)) (* -2 (/ 1 -1)))) into -2
* [misc]backup-simplify:  Simplify -2 into -2
* [misc]backup-simplify:  Simplify (+ (* -2 (sqr (/ 1 (- x)))) (+ (* -2 (/ 1 (- x))) -1)) into (- (* 2 (/ 1 x)) (+ (* 2 (/ 1 (sqr x))) 1))
* * * * [misc]progress:  [ 2 / 3 ] generating series at (2 2 1)
* [misc]approximate:  Taking taylor expansion of (sqrt (/ (- 1 x) (+ 1 x))) in (x) around 0
* [misc]taylor:  Taking taylor expansion of (sqrt (/ (- 1 x) (+ 1 x))) in x
* [misc]taylor:  Taking taylor expansion of (/ (- 1 x) (+ 1 x)) in x
* [misc]taylor:  Taking taylor expansion of (- 1 x) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ 1 x) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (sqrt 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (- (/ -1 1) (+ (* 1 (/ 1 1)))) into -2
* [misc]backup-simplify:  Simplify (/ -2 (* 2 (sqrt 1))) into -1
* [misc]taylor:  Taking taylor expansion of (sqrt (/ (- 1 x) (+ 1 x))) in x
* [misc]taylor:  Taking taylor expansion of (/ (- 1 x) (+ 1 x)) in x
* [misc]taylor:  Taking taylor expansion of (- 1 x) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ 1 x) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (sqrt 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (- (/ -1 1) (+ (* 1 (/ 1 1)))) into -2
* [misc]backup-simplify:  Simplify (/ -2 (* 2 (sqrt 1))) into -1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* 1 (/ 0 1)) (* -2 (/ 1 1)))) into 2
* [misc]backup-simplify:  Simplify (/ (- 2 (sqr -1) (+)) (* 2 1)) into 1/2
* [misc]backup-simplify:  Simplify 1/2 into 1/2
* [misc]backup-simplify:  Simplify (+ (* 1/2 (sqr x)) (+ (* -1 x) 1)) into (- (+ (* 1/2 (sqr x)) 1) x)
* [misc]approximate:  Taking taylor expansion of (sqrt (/ (- 1 (/ 1 x)) (+ 1 (/ 1 x)))) in (x) around 0
* [misc]taylor:  Taking taylor expansion of (sqrt (/ (- 1 (/ 1 x)) (+ 1 (/ 1 x)))) in x
* [misc]taylor:  Taking taylor expansion of (/ (- 1 (/ 1 x)) (+ 1 (/ 1 x))) in x
* [misc]taylor:  Taking taylor expansion of (- 1 (/ 1 x)) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (+ 1 (/ 1 x)) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (/ -1 1) into -1
* [misc]backup-simplify:  Simplify (sqrt -1) into (sqrt -1)
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (- (/ 1 1) (+ (* -1 (/ 1 1)))) into 2
* [misc]backup-simplify:  Simplify (/ 2 (* 2 (sqrt -1))) into (/ 1 (sqrt -1))
* [misc]taylor:  Taking taylor expansion of (sqrt (/ (- 1 (/ 1 x)) (+ 1 (/ 1 x)))) in x
* [misc]taylor:  Taking taylor expansion of (/ (- 1 (/ 1 x)) (+ 1 (/ 1 x))) in x
* [misc]taylor:  Taking taylor expansion of (- 1 (/ 1 x)) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (+ 1 (/ 1 x)) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (/ -1 1) into -1
* [misc]backup-simplify:  Simplify (sqrt -1) into (sqrt -1)
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (- (/ 1 1) (+ (* -1 (/ 1 1)))) into 2
* [misc]backup-simplify:  Simplify (/ 2 (* 2 (sqrt -1))) into (/ 1 (sqrt -1))
* [misc]backup-simplify:  Simplify (sqrt -1) into (sqrt -1)
* [misc]backup-simplify:  Simplify (/ 1 (sqrt -1)) into (/ 1 (sqrt -1))
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* -1 (/ 0 1)) (* 2 (/ 1 1)))) into -2
* [misc]backup-simplify:  Simplify (/ (- -2 (sqr (/ 1 (sqrt -1))) (+)) (* 2 (sqrt -1))) into (/ -1/2 (sqrt -1))
* [misc]backup-simplify:  Simplify (/ -1/2 (sqrt -1)) into (/ -1/2 (sqrt -1))
* [misc]backup-simplify:  Simplify (+ (* (/ -1/2 (sqrt -1)) (sqr (/ 1 x))) (+ (* (/ 1 (sqrt -1)) (/ 1 x)) (sqrt -1))) into (- (+ (sqrt -1) (/ 1 (* (sqrt -1) x))) (* 1/2 (/ 1 (* (sqrt -1) (sqr x)))))
* [misc]approximate:  Taking taylor expansion of (sqrt (/ (- 1 (/ 1 (- x))) (+ 1 (/ 1 (- x))))) in (x) around 0
* [misc]taylor:  Taking taylor expansion of (sqrt (/ (- 1 (/ 1 (- x))) (+ 1 (/ 1 (- x))))) in x
* [misc]taylor:  Taking taylor expansion of (/ (- 1 (/ 1 (- x))) (+ 1 (/ 1 (- x)))) in x
* [misc]taylor:  Taking taylor expansion of (- 1 (/ 1 (- x))) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (+ 1 (/ 1 (- x))) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (- -1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (sqrt -1) into (sqrt -1)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (- (/ 1 -1) (+ (* -1 (/ 1 -1)))) into -2
* [misc]backup-simplify:  Simplify (/ -2 (* 2 (sqrt -1))) into (/ -1 (sqrt -1))
* [misc]taylor:  Taking taylor expansion of (sqrt (/ (- 1 (/ 1 (- x))) (+ 1 (/ 1 (- x))))) in x
* [misc]taylor:  Taking taylor expansion of (/ (- 1 (/ 1 (- x))) (+ 1 (/ 1 (- x)))) in x
* [misc]taylor:  Taking taylor expansion of (- 1 (/ 1 (- x))) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (+ 1 (/ 1 (- x))) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (- -1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (sqrt -1) into (sqrt -1)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (- (/ 1 -1) (+ (* -1 (/ 1 -1)))) into -2
* [misc]backup-simplify:  Simplify (/ -2 (* 2 (sqrt -1))) into (/ -1 (sqrt -1))
* [misc]backup-simplify:  Simplify (sqrt -1) into (sqrt -1)
* [misc]backup-simplify:  Simplify (/ -1 (sqrt -1)) into (/ -1 (sqrt -1))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 -1) (+ (* -1 (/ 0 -1)) (* -2 (/ 1 -1)))) into -2
* [misc]backup-simplify:  Simplify (/ (- -2 (sqr (/ -1 (sqrt -1))) (+)) (* 2 (sqrt -1))) into (/ -1/2 (sqrt -1))
* [misc]backup-simplify:  Simplify (/ -1/2 (sqrt -1)) into (/ -1/2 (sqrt -1))
* [misc]backup-simplify:  Simplify (+ (* (/ -1/2 (sqrt -1)) (sqr (/ 1 (- x)))) (+ (* (/ -1 (sqrt -1)) (/ 1 (- x))) (sqrt -1))) into (- (+ (sqrt -1) (/ 1 (* (sqrt -1) x))) (* 1/2 (/ 1 (* (sqrt -1) (sqr x)))))
* * * * [misc]progress:  [ 3 / 3 ] generating series at (2 2)
* [misc]approximate:  Taking taylor expansion of (atan (sqrt (/ (- 1 x) (+ 1 x)))) in (x) around 0
* [misc]taylor:  Taking taylor expansion of (atan (sqrt (/ (- 1 x) (+ 1 x)))) in x
* [misc]backup-simplify:  Simplify (atan (sqrt (/ (- 1 x) (+ 1 x)))) into (atan (sqrt (/ (- 1 x) (+ 1 x))))
* [misc]taylor:  Taking taylor expansion of (atan (sqrt (/ (- 1 x) (+ 1 x)))) in x
* [misc]backup-simplify:  Simplify (atan (sqrt (/ (- 1 x) (+ 1 x)))) into (atan (sqrt (/ (- 1 x) (+ 1 x))))
* [misc]backup-simplify:  Simplify (atan (sqrt (/ (- 1 x) (+ 1 x)))) into (atan (sqrt (/ (- 1 x) (+ 1 x))))
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (atan (sqrt (/ (- 1 x) (+ 1 x)))) into (atan (sqrt (/ (- 1 x) (+ 1 x))))
* [misc]approximate:  Taking taylor expansion of (atan (sqrt (/ (- 1 (/ 1 x)) (+ 1 (/ 1 x))))) in (x) around 0
* [misc]taylor:  Taking taylor expansion of (atan (sqrt (/ (- 1 (/ 1 x)) (+ 1 (/ 1 x))))) in x
* [misc]backup-simplify:  Simplify (atan (sqrt (/ (- 1 (/ 1 x)) (+ 1 (/ 1 x))))) into (atan (sqrt (/ (- 1 (/ 1 x)) (+ 1 (/ 1 x)))))
* [misc]taylor:  Taking taylor expansion of (atan (sqrt (/ (- 1 (/ 1 x)) (+ 1 (/ 1 x))))) in x
* [misc]backup-simplify:  Simplify (atan (sqrt (/ (- 1 (/ 1 x)) (+ 1 (/ 1 x))))) into (atan (sqrt (/ (- 1 (/ 1 x)) (+ 1 (/ 1 x)))))
* [misc]backup-simplify:  Simplify (atan (sqrt (/ (- 1 (/ 1 x)) (+ 1 (/ 1 x))))) into (atan (sqrt (/ (- 1 (/ 1 x)) (+ 1 (/ 1 x)))))
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (atan (sqrt (/ (- 1 (/ 1 x)) (+ 1 (/ 1 x))))) into (atan (sqrt (/ (- 1 (/ 1 x)) (+ 1 (/ 1 x)))))
* [misc]approximate:  Taking taylor expansion of (atan (sqrt (/ (- 1 (/ 1 (- x))) (+ 1 (/ 1 (- x)))))) in (x) around 0
* [misc]taylor:  Taking taylor expansion of (atan (sqrt (/ (- 1 (/ 1 (- x))) (+ 1 (/ 1 (- x)))))) in x
* [misc]backup-simplify:  Simplify (atan (sqrt (/ (- 1 (/ 1 (- x))) (+ 1 (/ 1 (- x)))))) into (atan (sqrt (/ (+ 1 (/ 1 x)) (- 1 (/ 1 x)))))
* [misc]taylor:  Taking taylor expansion of (atan (sqrt (/ (- 1 (/ 1 (- x))) (+ 1 (/ 1 (- x)))))) in x
* [misc]backup-simplify:  Simplify (atan (sqrt (/ (- 1 (/ 1 (- x))) (+ 1 (/ 1 (- x)))))) into (atan (sqrt (/ (+ 1 (/ 1 x)) (- 1 (/ 1 x)))))
* [misc]backup-simplify:  Simplify (atan (sqrt (/ (+ 1 (/ 1 x)) (- 1 (/ 1 x))))) into (atan (sqrt (/ (+ 1 (/ 1 x)) (- 1 (/ 1 x)))))
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (atan (sqrt (/ (+ 1 (/ 1 x)) (- 1 (/ 1 x))))) into (atan (sqrt (/ (+ 1 (/ 1 x)) (- 1 (/ 1 x)))))
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 3 ] rewriting at (2 2 1 1)
* * * * [misc]progress:  [ 2 / 3 ] rewriting at (2 2 1)
* * * * [misc]progress:  [ 3 / 3 ] rewriting at (2 2)
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 60 ] simplifiying candidate #<alt-event (λ (x) (* 2 (atan (sqrt (- (+ (* 2 (sqr x)) 1) (* 2 x))))))>
* [enter]simplify:  Simplifying (* 2 (atan (sqrt (- (+ (* 2 (sqr x)) 1) (* 2 x)))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (21 enodes)
* * [misc]simplify:  iters left: 4 (26 enodes)
* * [misc]simplify:  iters left: 3 (32 enodes)
* * [misc]simplify:  iters left: 2 (42 enodes)
* * [misc]simplify:  iters left: 1 (50 enodes)
* [exit]simplify:  Simplified to (* (atan (sqrt (fma x (* x 2) (- 1 (* x 2))))) 2)
* * * * [misc]progress:  [ 2 / 60 ] simplifiying candidate #<alt-event (λ (x) (* 2 (atan (sqrt (- (* 2 (/ 1 x)) (+ (* 2 (/ 1 (sqr x))) 1))))))>
* [enter]simplify:  Simplifying (* 2 (atan (sqrt (- (* 2 (/ 1 x)) (+ (* 2 (/ 1 (sqr x))) 1)))))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (26 enodes)
* * [misc]simplify:  iters left: 4 (36 enodes)
* * [misc]simplify:  iters left: 3 (41 enodes)
* * [misc]simplify:  iters left: 2 (53 enodes)
* * [misc]simplify:  iters left: 1 (64 enodes)
* [exit]simplify:  Simplified to (* (atan (sqrt (- (/ 2 x) (+ (/ (/ 2 x) x) 1)))) 2)
* * * * [misc]progress:  [ 3 / 60 ] simplifiying candidate #<alt-event (λ (x) (* 2 (atan (sqrt (- (* 2 (/ 1 x)) (+ (* 2 (/ 1 (sqr x))) 1))))))>
* [enter]simplify:  Simplifying (* 2 (atan (sqrt (- (* 2 (/ 1 x)) (+ (* 2 (/ 1 (sqr x))) 1)))))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (26 enodes)
* * [misc]simplify:  iters left: 4 (36 enodes)
* * [misc]simplify:  iters left: 3 (41 enodes)
* * [misc]simplify:  iters left: 2 (53 enodes)
* * [misc]simplify:  iters left: 1 (64 enodes)
* [exit]simplify:  Simplified to (* (atan (sqrt (- (/ 2 x) (+ (/ (/ 2 x) x) 1)))) 2)
* * * * [misc]progress:  [ 4 / 60 ] simplifiying candidate #<alt-event (λ (x) (* 2 (atan (- (+ (* 1/2 (sqr x)) 1) x))))>
* [enter]simplify:  Simplifying (* 2 (atan (- (+ (* 1/2 (sqr x)) 1) x)))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* * [misc]simplify:  iters left: 4 (25 enodes)
* * [misc]simplify:  iters left: 3 (32 enodes)
* * [misc]simplify:  iters left: 2 (34 enodes)
* * [misc]simplify:  iters left: 1 (36 enodes)
* [exit]simplify:  Simplified to (* 2 (atan (fma x (* 1/2 x) (- 1 x))))
* * * * [misc]progress:  [ 5 / 60 ] simplifiying candidate #<alt-event (λ (x) (* 2 (atan (- (+ (sqrt -1) (/ 1 (* (sqrt -1) x))) (* 1/2 (/ 1 (* (sqrt -1) (sqr x))))))))>
* [enter]simplify:  Simplifying (* 2 (atan (- (+ (sqrt -1) (/ 1 (* (sqrt -1) x))) (* 1/2 (/ 1 (* (sqrt -1) (sqr x)))))))
* * [misc]simplify:  iters left: 6 (16 enodes)
* * [misc]simplify:  iters left: 5 (31 enodes)
* * [misc]simplify:  iters left: 4 (38 enodes)
* * [misc]simplify:  iters left: 3 (61 enodes)
* * [misc]simplify:  iters left: 2 (70 enodes)
* * [misc]simplify:  iters left: 1 (90 enodes)
* [exit]simplify:  Simplified to (* 2 (atan (- (+ (sqrt -1) (/ (/ 1 (sqrt -1)) x)) (/ 1/2 (* (* x x) (sqrt -1))))))
* * * * [misc]progress:  [ 6 / 60 ] simplifiying candidate #<alt-event (λ (x) (* 2 (atan (- (+ (sqrt -1) (/ 1 (* (sqrt -1) x))) (* 1/2 (/ 1 (* (sqrt -1) (sqr x))))))))>
* [enter]simplify:  Simplifying (* 2 (atan (- (+ (sqrt -1) (/ 1 (* (sqrt -1) x))) (* 1/2 (/ 1 (* (sqrt -1) (sqr x)))))))
* * [misc]simplify:  iters left: 6 (16 enodes)
* * [misc]simplify:  iters left: 5 (31 enodes)
* * [misc]simplify:  iters left: 4 (38 enodes)
* * [misc]simplify:  iters left: 3 (61 enodes)
* * [misc]simplify:  iters left: 2 (70 enodes)
* * [misc]simplify:  iters left: 1 (90 enodes)
* [exit]simplify:  Simplified to (* 2 (atan (- (+ (sqrt -1) (/ (/ 1 (sqrt -1)) x)) (/ 1/2 (* (* x x) (sqrt -1))))))
* * * * [misc]progress:  [ 7 / 60 ] simplifiying candidate #<alt-event (λ (x) (* 2 (atan (sqrt (/ (- 1 x) (+ 1 x))))))>
* [enter]simplify:  Simplifying (* 2 (atan (sqrt (/ (- 1 x) (+ 1 x)))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* [exit]simplify:  Simplified to (* (atan (sqrt (/ (- 1 x) (+ x 1)))) 2)
* * * * [misc]progress:  [ 8 / 60 ] simplifiying candidate #<alt-event (λ (x) (* 2 (atan (sqrt (/ (- 1 (/ 1 x)) (+ 1 (/ 1 x)))))))>
* [enter]simplify:  Simplifying (* 2 (atan (sqrt (/ (- 1 (/ 1 x)) (+ 1 (/ 1 x))))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (17 enodes)
* * [misc]simplify:  iters left: 4 (19 enodes)
* * [misc]simplify:  iters left: 3 (21 enodes)
* * [misc]simplify:  iters left: 2 (29 enodes)
* * [misc]simplify:  iters left: 1 (34 enodes)
* [exit]simplify:  Simplified to (* 2 (atan (sqrt (/ (- 1 (/ 1 x)) (+ 1 (/ 1 x))))))
* * * * [misc]progress:  [ 9 / 60 ] simplifiying candidate #<alt-event (λ (x) (* 2 (atan (sqrt (/ (+ 1 (/ 1 x)) (- 1 (/ 1 x)))))))>
* [enter]simplify:  Simplifying (* 2 (atan (sqrt (/ (+ 1 (/ 1 x)) (- 1 (/ 1 x))))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* [exit]simplify:  Simplified to (* 2 (atan (sqrt (/ (+ 1 (/ 1 x)) (- 1 (/ 1 x))))))
* * * * [misc]progress:  [ 10 / 60 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (log1p (expm1 (/ (- 1 x) (+ 1 x))))))))>
* [enter]simplify:  Simplifying (expm1 (/ (- 1 x) (+ 1 x)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* [exit]simplify:  Simplified to (expm1 (/ (- 1 x) (+ 1 x)))
* [exit]simplify:  Simplified to (expm1 (/ (- 1 x) (+ 1 x)))
* * * * [misc]progress:  [ 11 / 60 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (expm1 (log1p (/ (- 1 x) (+ 1 x))))))))>
* [enter]simplify:  Simplifying (log1p (/ (- 1 x) (+ 1 x)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* [exit]simplify:  Simplified to (log1p (/ (- 1 x) (+ 1 x)))
* [exit]simplify:  Simplified to (log1p (/ (- 1 x) (+ 1 x)))
* * * * [misc]progress:  [ 12 / 60 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (pow (/ (- 1 x) (+ 1 x)) 1)))))>
* * * * [misc]progress:  [ 13 / 60 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (exp (- (log (- 1 x)) (log (+ 1 x))))))))>
* [enter]simplify:  Simplifying (- (log (- 1 x)) (log (+ 1 x)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* [exit]simplify:  Simplified to (- (log (- 1 x)) (log1p x))
* [exit]simplify:  Simplified to (- (log (- 1 x)) (log1p x))
* * * * [misc]progress:  [ 14 / 60 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (exp (log (/ (- 1 x) (+ 1 x))))))))>
* [enter]simplify:  Simplifying (log (/ (- 1 x) (+ 1 x)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (15 enodes)
* * [misc]simplify:  iters left: 3 (16 enodes)
* [exit]simplify:  Simplified to (log (/ (- 1 x) (+ 1 x)))
* [exit]simplify:  Simplified to (log (/ (- 1 x) (+ 1 x)))
* * * * [misc]progress:  [ 15 / 60 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (log (exp (/ (- 1 x) (+ 1 x))))))))>
* [enter]simplify:  Simplifying (exp (/ (- 1 x) (+ 1 x)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* * [misc]simplify:  iters left: 3 (15 enodes)
* [exit]simplify:  Simplified to (exp (/ (- 1 x) (+ 1 x)))
* [exit]simplify:  Simplified to (exp (/ (- 1 x) (+ 1 x)))
* * * * [misc]progress:  [ 16 / 60 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (cbrt (/ (cube (- 1 x)) (cube (+ 1 x))))))))>
* [enter]simplify:  Simplifying (/ (cube (- 1 x)) (cube (+ 1 x)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (29 enodes)
* * [misc]simplify:  iters left: 2 (54 enodes)
* * [misc]simplify:  iters left: 1 (94 enodes)
* [exit]simplify:  Simplified to (cube (/ (- 1 x) (+ 1 x)))
* [exit]simplify:  Simplified to (cube (/ (- 1 x) (+ 1 x)))
* * * * [misc]progress:  [ 17 / 60 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (cube (cbrt (/ (- 1 x) (+ 1 x))))))))>
* [enter]simplify:  Simplifying (cbrt (/ (- 1 x) (+ 1 x)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* [exit]simplify:  Simplified to (cbrt (/ (- 1 x) (+ 1 x)))
* [exit]simplify:  Simplified to (cbrt (/ (- 1 x) (+ 1 x)))
* * * * [misc]progress:  [ 18 / 60 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (cbrt (cube (/ (- 1 x) (+ 1 x))))))))>
* [enter]simplify:  Simplifying (cube (/ (- 1 x) (+ 1 x)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (17 enodes)
* * [misc]simplify:  iters left: 3 (27 enodes)
* * [misc]simplify:  iters left: 2 (41 enodes)
* * [misc]simplify:  iters left: 1 (68 enodes)
* [exit]simplify:  Simplified to (cube (/ (- 1 x) (+ 1 x)))
* [exit]simplify:  Simplified to (cube (/ (- 1 x) (+ 1 x)))
* * * * [misc]progress:  [ 19 / 60 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (cube (/ (cbrt (- 1 x)) (cbrt (+ 1 x))))))))>
* [enter]simplify:  Simplifying (/ (cbrt (- 1 x)) (cbrt (+ 1 x)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (10 enodes)
* [exit]simplify:  Simplified to (/ (cbrt (- 1 x)) (cbrt (+ 1 x)))
* [exit]simplify:  Simplified to (/ (cbrt (- 1 x)) (cbrt (+ 1 x)))
* * * * [misc]progress:  [ 20 / 60 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (sqr (sqrt (/ (- 1 x) (+ 1 x))))))))>
* [enter]simplify:  Simplifying (sqrt (/ (- 1 x) (+ 1 x)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* [exit]simplify:  Simplified to (sqrt (/ (- 1 x) (+ 1 x)))
* [exit]simplify:  Simplified to (sqrt (/ (- 1 x) (+ 1 x)))
* * * * [misc]progress:  [ 21 / 60 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))))))>
* [enter]simplify:  Simplifying (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (10 enodes)
* [exit]simplify:  Simplified to (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))
* [exit]simplify:  Simplified to (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))
* * * * [misc]progress:  [ 22 / 60 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (/ (- (- 1 x)) (- (+ 1 x)))))))>
* [enter]simplify:  Simplifying (- (- 1 x))
* * [misc]simplify:  iters left: 4 (4 enodes)
* * [misc]simplify:  iters left: 3 (6 enodes)
* [exit]simplify:  Simplified to (- (- 1 x))
* [exit]simplify:  Simplified to (- (- 1 x))
* [enter]simplify:  Simplifying (- (+ 1 x))
* * [misc]simplify:  iters left: 4 (4 enodes)
* * [misc]simplify:  iters left: 3 (10 enodes)
* * [misc]simplify:  iters left: 2 (11 enodes)
* [exit]simplify:  Simplified to (- (+ 1 x))
* [exit]simplify:  Simplified to (- (+ 1 x))
* * * * [misc]progress:  [ 23 / 60 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x)))))))>
* [enter]simplify:  Simplifying (/ 1 (+ 1 x))
* * [misc]simplify:  iters left: 4 (4 enodes)
* * [misc]simplify:  iters left: 3 (7 enodes)
* [exit]simplify:  Simplified to (/ 1 (+ 1 x))
* [exit]simplify:  Simplified to (/ 1 (+ 1 x))
* [enter]simplify:  Simplifying (/ x (+ 1 x))
* * [misc]simplify:  iters left: 4 (4 enodes)
* * [misc]simplify:  iters left: 3 (7 enodes)
* [exit]simplify:  Simplified to (/ x (+ x 1))
* [exit]simplify:  Simplified to (/ x (+ x 1))
* * * * [misc]progress:  [ 24 / 60 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (* (/ 1 1) (/ (- 1 x) (+ 1 x)))))))>
* [enter]simplify:  Simplifying (/ 1 1)
* * [misc]simplify:  iters left: 2 (2 enodes)
* * [misc]simplify:  iters left: 1 (4 enodes)
* [exit]simplify:  Simplified to 1
* [exit]simplify:  Simplified to 1
* [enter]simplify:  Simplifying (/ (- 1 x) (+ 1 x))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (11 enodes)
* [exit]simplify:  Simplified to (/ (- 1 x) (+ 1 x))
* [exit]simplify:  Simplified to (/ (- 1 x) (+ 1 x))
* * * * [misc]progress:  [ 25 / 60 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (* 1 (/ (- 1 x) (+ 1 x)))))))>
* * * * [misc]progress:  [ 26 / 60 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (* (- 1 x) (/ 1 (+ 1 x)))))))>
* [enter]simplify:  Simplifying (/ 1 (+ 1 x))
* * [misc]simplify:  iters left: 4 (4 enodes)
* * [misc]simplify:  iters left: 3 (7 enodes)
* [exit]simplify:  Simplified to (/ 1 (+ 1 x))
* [exit]simplify:  Simplified to (/ 1 (+ 1 x))
* * * * [misc]progress:  [ 27 / 60 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (/ 1 (/ (+ 1 x) (- 1 x)))))))>
* [enter]simplify:  Simplifying (/ (+ 1 x) (- 1 x))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (8 enodes)
* [exit]simplify:  Simplified to (/ (+ 1 x) (- 1 x))
* [exit]simplify:  Simplified to (/ (+ 1 x) (- 1 x))
* * * * [misc]progress:  [ 28 / 60 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (/ (/ (- 1 x) 1) (+ 1 x))))))>
* [enter]simplify:  Simplifying (/ (- 1 x) 1)
* * [misc]simplify:  iters left: 4 (4 enodes)
* * [misc]simplify:  iters left: 3 (9 enodes)
* [exit]simplify:  Simplified to (- 1 (/ x 1))
* [exit]simplify:  Simplified to (- 1 (/ x 1))
* * * * [misc]progress:  [ 29 / 60 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (/ 1 (/ (+ 1 x) (- 1 x)))))))>
* [enter]simplify:  Simplifying (/ (+ 1 x) (- 1 x))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (8 enodes)
* [exit]simplify:  Simplified to (/ (+ 1 x) (- 1 x))
* [exit]simplify:  Simplified to (/ (+ 1 x) (- 1 x))
* * * * [misc]progress:  [ 30 / 60 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (* (/ (- 1 x) (- (pow 1 3) (pow x 3))) (+ (sqr 1) (- (sqr x) (* 1 x))))))))>
* [enter]simplify:  Simplifying (/ (- 1 x) (- (pow 1 3) (pow x 3)))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (15 enodes)
* * [misc]simplify:  iters left: 3 (19 enodes)
* * [misc]simplify:  iters left: 2 (22 enodes)
* [exit]simplify:  Simplified to (/ (- 1 x) (- 1 (cube x)))
* [exit]simplify:  Simplified to (/ (- 1 x) (- 1 (cube x)))
* * * * [misc]progress:  [ 31 / 60 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (* (/ (- 1 x) (- (sqr 1) (sqr x))) (- 1 x))))))>
* [enter]simplify:  Simplifying (/ (- 1 x) (- (sqr 1) (sqr x)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (16 enodes)
* * [misc]simplify:  iters left: 3 (24 enodes)
* * [misc]simplify:  iters left: 2 (33 enodes)
* * [misc]simplify:  iters left: 1 (47 enodes)
* [exit]simplify:  Simplified to (/ (- 1 x) (- 1 (* x x)))
* [exit]simplify:  Simplified to (/ (- 1 x) (- 1 (* x x)))
* * * * [misc]progress:  [ 32 / 60 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (/ (- (pow 1 3) (pow x 3)) (* (+ 1 x) (+ (sqr 1) (+ (sqr x) (* 1 x)))))))))>
* [enter]simplify:  Simplifying (* (+ 1 x) (+ (sqr 1) (+ (sqr x) (* 1 x))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (24 enodes)
* * [misc]simplify:  iters left: 4 (79 enodes)
* * [misc]simplify:  iters left: 3 (134 enodes)
* * [misc]simplify:  iters left: 2 (167 enodes)
* * [misc]simplify:  iters left: 1 (210 enodes)
* [exit]simplify:  Simplified to (fma (fma x x x) (+ 1 x) (+ 1 x))
* [exit]simplify:  Simplified to (fma (fma x x x) (+ 1 x) (+ 1 x))
* * * * [misc]progress:  [ 33 / 60 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (/ (- (sqr 1) (sqr x)) (* (+ 1 x) (+ 1 x)))))))>
* [enter]simplify:  Simplifying (* (+ 1 x) (+ 1 x))
* * [misc]simplify:  iters left: 4 (4 enodes)
* * [misc]simplify:  iters left: 3 (14 enodes)
* * [misc]simplify:  iters left: 2 (20 enodes)
* * [misc]simplify:  iters left: 1 (29 enodes)
* [exit]simplify:  Simplified to (* (+ 1 x) (+ 1 x))
* [exit]simplify:  Simplified to (* (+ 1 x) (+ 1 x))
* * * * [misc]progress:  [ 34 / 60 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (log1p (expm1 (sqrt (/ (- 1 x) (+ 1 x))))))))>
* [enter]simplify:  Simplifying (expm1 (sqrt (/ (- 1 x) (+ 1 x))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* [exit]simplify:  Simplified to (expm1 (sqrt (/ (- 1 x) (+ 1 x))))
* [exit]simplify:  Simplified to (expm1 (sqrt (/ (- 1 x) (+ 1 x))))
* * * * [misc]progress:  [ 35 / 60 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (expm1 (log1p (sqrt (/ (- 1 x) (+ 1 x))))))))>
* [enter]simplify:  Simplifying (log1p (sqrt (/ (- 1 x) (+ 1 x))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* [exit]simplify:  Simplified to (log1p (sqrt (/ (- 1 x) (+ 1 x))))
* [exit]simplify:  Simplified to (log1p (sqrt (/ (- 1 x) (+ 1 x))))
* * * * [misc]progress:  [ 36 / 60 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (pow (/ (- 1 x) (+ 1 x)) 1/2))))>
* * * * [misc]progress:  [ 37 / 60 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (pow (sqrt (/ (- 1 x) (+ 1 x))) 1))))>
* * * * [misc]progress:  [ 38 / 60 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (exp (log (sqrt (/ (- 1 x) (+ 1 x))))))))>
* [enter]simplify:  Simplifying (log (sqrt (/ (- 1 x) (+ 1 x))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* [exit]simplify:  Simplified to (log (sqrt (/ (- 1 x) (+ 1 x))))
* [exit]simplify:  Simplified to (log (sqrt (/ (- 1 x) (+ 1 x))))
* * * * [misc]progress:  [ 39 / 60 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (log (exp (sqrt (/ (- 1 x) (+ 1 x))))))))>
* [enter]simplify:  Simplifying (exp (sqrt (/ (- 1 x) (+ 1 x))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* [exit]simplify:  Simplified to (exp (sqrt (/ (- 1 x) (+ 1 x))))
* [exit]simplify:  Simplified to (exp (sqrt (/ (- 1 x) (+ 1 x))))
* * * * [misc]progress:  [ 40 / 60 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (cube (cbrt (sqrt (/ (- 1 x) (+ 1 x))))))))>
* [enter]simplify:  Simplifying (cbrt (sqrt (/ (- 1 x) (+ 1 x))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* [exit]simplify:  Simplified to (cbrt (sqrt (/ (- 1 x) (+ 1 x))))
* [exit]simplify:  Simplified to (cbrt (sqrt (/ (- 1 x) (+ 1 x))))
* * * * [misc]progress:  [ 41 / 60 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (cbrt (cube (sqrt (/ (- 1 x) (+ 1 x))))))))>
* [enter]simplify:  Simplifying (cube (sqrt (/ (- 1 x) (+ 1 x))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (17 enodes)
* [exit]simplify:  Simplified to (* (sqrt (/ (- 1 x) (+ 1 x))) (/ (- 1 x) (+ 1 x)))
* [exit]simplify:  Simplified to (* (sqrt (/ (- 1 x) (+ 1 x))) (/ (- 1 x) (+ 1 x)))
* * * * [misc]progress:  [ 42 / 60 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (* (sqrt (/ 1 1)) (sqrt (/ (- 1 x) (+ 1 x)))))))>
* [enter]simplify:  Simplifying (sqrt (/ 1 1))
* * [misc]simplify:  iters left: 3 (3 enodes)
* * [misc]simplify:  iters left: 2 (5 enodes)
* [exit]simplify:  Simplified to (sqrt 1)
* [exit]simplify:  Simplified to (sqrt 1)
* [enter]simplify:  Simplifying (sqrt (/ (- 1 x) (+ 1 x)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* [exit]simplify:  Simplified to (sqrt (/ (- 1 x) (+ 1 x)))
* [exit]simplify:  Simplified to (sqrt (/ (- 1 x) (+ 1 x)))
* * * * [misc]progress:  [ 43 / 60 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (* (sqrt 1) (sqrt (/ (- 1 x) (+ 1 x)))))))>
* [enter]simplify:  Simplifying (sqrt 1)
* * [misc]simplify:  iters left: 1 (2 enodes)
* [exit]simplify:  Simplified to (sqrt 1)
* [exit]simplify:  Simplified to (sqrt 1)
* [enter]simplify:  Simplifying (sqrt (/ (- 1 x) (+ 1 x)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* [exit]simplify:  Simplified to (sqrt (/ (- 1 x) (+ 1 x)))
* [exit]simplify:  Simplified to (sqrt (/ (- 1 x) (+ 1 x)))
* * * * [misc]progress:  [ 44 / 60 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (* (sqrt (- 1 x)) (sqrt (/ 1 (+ 1 x)))))))>
* [enter]simplify:  Simplifying (sqrt (- 1 x))
* * [misc]simplify:  iters left: 3 (4 enodes)
* * [misc]simplify:  iters left: 2 (6 enodes)
* [exit]simplify:  Simplified to (sqrt (- 1 x))
* [exit]simplify:  Simplified to (sqrt (- 1 x))
* [enter]simplify:  Simplifying (sqrt (/ 1 (+ 1 x)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (8 enodes)
* [exit]simplify:  Simplified to (sqrt (/ 1 (+ 1 x)))
* [exit]simplify:  Simplified to (sqrt (/ 1 (+ 1 x)))
* * * * [misc]progress:  [ 45 / 60 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (* (sqrt (/ (- 1 x) (- (pow 1 3) (pow x 3)))) (sqrt (+ (sqr 1) (- (sqr x) (* 1 x))))))))>
* [enter]simplify:  Simplifying (sqrt (/ (- 1 x) (- (pow 1 3) (pow x 3))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (20 enodes)
* * [misc]simplify:  iters left: 3 (23 enodes)
* [exit]simplify:  Simplified to (sqrt (/ (- 1 x) (- 1 (cube x))))
* [exit]simplify:  Simplified to (sqrt (/ (- 1 x) (- 1 (cube x))))
* [enter]simplify:  Simplifying (sqrt (+ (sqr 1) (- (sqr x) (* 1 x))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (25 enodes)
* * [misc]simplify:  iters left: 2 (27 enodes)
* * [misc]simplify:  iters left: 1 (30 enodes)
* [exit]simplify:  Simplified to (sqrt (- (fma x x 1) x))
* [exit]simplify:  Simplified to (sqrt (- (fma x x 1) x))
* * * * [misc]progress:  [ 46 / 60 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (* (sqrt (/ (- 1 x) (- (sqr 1) (sqr x)))) (sqrt (- 1 x))))))>
* [enter]simplify:  Simplifying (sqrt (/ (- 1 x) (- (sqr 1) (sqr x))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (17 enodes)
* * [misc]simplify:  iters left: 4 (25 enodes)
* * [misc]simplify:  iters left: 3 (34 enodes)
* * [misc]simplify:  iters left: 2 (48 enodes)
* * [misc]simplify:  iters left: 1 (57 enodes)
* [exit]simplify:  Simplified to (sqrt (/ (- 1 x) (- 1 (* x x))))
* [exit]simplify:  Simplified to (sqrt (/ (- 1 x) (- 1 (* x x))))
* [enter]simplify:  Simplifying (sqrt (- 1 x))
* * [misc]simplify:  iters left: 3 (4 enodes)
* * [misc]simplify:  iters left: 2 (6 enodes)
* [exit]simplify:  Simplified to (sqrt (- 1 x))
* [exit]simplify:  Simplified to (sqrt (- 1 x))
* * * * [misc]progress:  [ 47 / 60 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))))>
* [enter]simplify:  Simplifying (sqrt (- 1 x))
* * [misc]simplify:  iters left: 3 (4 enodes)
* * [misc]simplify:  iters left: 2 (6 enodes)
* [exit]simplify:  Simplified to (sqrt (- 1 x))
* [exit]simplify:  Simplified to (sqrt (- 1 x))
* [enter]simplify:  Simplifying (sqrt (+ 1 x))
* * [misc]simplify:  iters left: 3 (4 enodes)
* * [misc]simplify:  iters left: 2 (7 enodes)
* [exit]simplify:  Simplified to (sqrt (+ 1 x))
* [exit]simplify:  Simplified to (sqrt (+ 1 x))
* * * * [misc]progress:  [ 48 / 60 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqr (sqrt (sqrt (/ (- 1 x) (+ 1 x))))))))>
* [enter]simplify:  Simplifying (sqrt (sqrt (/ (- 1 x) (+ 1 x))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* [exit]simplify:  Simplified to (sqrt (sqrt (/ (- 1 x) (+ 1 x))))
* [exit]simplify:  Simplified to (sqrt (sqrt (/ (- 1 x) (+ 1 x))))
* * * * [misc]progress:  [ 49 / 60 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (fabs (sqrt (/ (- 1 x) (+ 1 x)))))))>
* * * * [misc]progress:  [ 50 / 60 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (fabs (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))))))>
* * * * [misc]progress:  [ 51 / 60 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (* 1 (sqrt (/ (- 1 x) (+ 1 x)))))))>
* * * * [misc]progress:  [ 52 / 60 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (log1p (expm1 (atan (sqrt (/ (- 1 x) (+ 1 x))))))))>
* [enter]simplify:  Simplifying (expm1 (atan (sqrt (/ (- 1 x) (+ 1 x)))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* [exit]simplify:  Simplified to (expm1 (atan (sqrt (/ (- 1 x) (+ 1 x)))))
* [exit]simplify:  Simplified to (expm1 (atan (sqrt (/ (- 1 x) (+ 1 x)))))
* * * * [misc]progress:  [ 53 / 60 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (expm1 (log1p (atan (sqrt (/ (- 1 x) (+ 1 x))))))))>
* [enter]simplify:  Simplifying (log1p (atan (sqrt (/ (- 1 x) (+ 1 x)))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* [exit]simplify:  Simplified to (log1p (atan (sqrt (/ (- 1 x) (+ 1 x)))))
* [exit]simplify:  Simplified to (log1p (atan (sqrt (/ (- 1 x) (+ 1 x)))))
* * * * [misc]progress:  [ 54 / 60 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (pow (atan (sqrt (/ (- 1 x) (+ 1 x)))) 1)))>
* * * * [misc]progress:  [ 55 / 60 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (exp (log (atan (sqrt (/ (- 1 x) (+ 1 x))))))))>
* [enter]simplify:  Simplifying (log (atan (sqrt (/ (- 1 x) (+ 1 x)))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* [exit]simplify:  Simplified to (log (atan (sqrt (/ (- 1 x) (+ 1 x)))))
* [exit]simplify:  Simplified to (log (atan (sqrt (/ (- 1 x) (+ 1 x)))))
* * * * [misc]progress:  [ 56 / 60 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (log (exp (atan (sqrt (/ (- 1 x) (+ 1 x))))))))>
* [enter]simplify:  Simplifying (exp (atan (sqrt (/ (- 1 x) (+ 1 x)))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* [exit]simplify:  Simplified to (exp (atan (sqrt (/ (- 1 x) (+ 1 x)))))
* [exit]simplify:  Simplified to (exp (atan (sqrt (/ (- 1 x) (+ 1 x)))))
* * * * [misc]progress:  [ 57 / 60 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (cube (cbrt (atan (sqrt (/ (- 1 x) (+ 1 x))))))))>
* [enter]simplify:  Simplifying (cbrt (atan (sqrt (/ (- 1 x) (+ 1 x)))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* [exit]simplify:  Simplified to (cbrt (atan (sqrt (/ (- 1 x) (+ 1 x)))))
* [exit]simplify:  Simplified to (cbrt (atan (sqrt (/ (- 1 x) (+ 1 x)))))
* * * * [misc]progress:  [ 58 / 60 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (cbrt (cube (atan (sqrt (/ (- 1 x) (+ 1 x))))))))>
* [enter]simplify:  Simplifying (cube (atan (sqrt (/ (- 1 x) (+ 1 x)))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (18 enodes)
* [exit]simplify:  Simplified to (cube (atan (sqrt (/ (- 1 x) (+ 1 x)))))
* [exit]simplify:  Simplified to (cube (atan (sqrt (/ (- 1 x) (+ 1 x)))))
* * * * [misc]progress:  [ 59 / 60 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (sqr (sqrt (atan (sqrt (/ (- 1 x) (+ 1 x))))))))>
* [enter]simplify:  Simplifying (sqrt (atan (sqrt (/ (- 1 x) (+ 1 x)))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* [exit]simplify:  Simplified to (sqrt (atan (sqrt (/ (- 1 x) (+ 1 x)))))
* [exit]simplify:  Simplified to (sqrt (atan (sqrt (/ (- 1 x) (+ 1 x)))))
* * * * [misc]progress:  [ 60 / 60 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (* 1 (atan (sqrt (/ (- 1 x) (+ 1 x)))))))>
* * * [misc]progress:  adding candidates to table
* * [misc]progress:  iteration 2 / 3
* * * [misc]progress:  picking best candidate
* * * * [misc]pick:  Picked  #<alt-delta (λ (x) (* 2 (atan (sqrt (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))))))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 4 ] generating series at (2 2 1 1 1)
* [misc]approximate:  Taking taylor expansion of (/ (sqrt (- 1 x)) (sqrt (+ 1 x))) in (x) around 0
* [misc]taylor:  Taking taylor expansion of (/ (sqrt (- 1 x)) (sqrt (+ 1 x))) in x
* [misc]taylor:  Taking taylor expansion of (sqrt (- 1 x)) in x
* [misc]taylor:  Taking taylor expansion of (- 1 x) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (sqrt 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (/ -1 (* 2 (sqrt 1))) into -1/2
* [misc]taylor:  Taking taylor expansion of (sqrt (+ 1 x)) in x
* [misc]taylor:  Taking taylor expansion of (+ 1 x) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (sqrt 1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (/ 1 (* 2 (sqrt 1))) into 1/2
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ (sqrt (- 1 x)) (sqrt (+ 1 x))) in x
* [misc]taylor:  Taking taylor expansion of (sqrt (- 1 x)) in x
* [misc]taylor:  Taking taylor expansion of (- 1 x) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (sqrt 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (/ -1 (* 2 (sqrt 1))) into -1/2
* [misc]taylor:  Taking taylor expansion of (sqrt (+ 1 x)) in x
* [misc]taylor:  Taking taylor expansion of (+ 1 x) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (sqrt 1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (/ 1 (* 2 (sqrt 1))) into 1/2
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (/ -1/2 1) (+ (* 1 (/ 1/2 1)))) into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr -1/2) (+)) (* 2 1)) into -1/8
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 1/2) (+)) (* 2 1)) into -1/8
* [misc]backup-simplify:  Simplify (- (/ -1/8 1) (+ (* 1 (/ -1/8 1)) (* -1 (/ 1/2 1)))) into 1/2
* [misc]backup-simplify:  Simplify 1/2 into 1/2
* [misc]backup-simplify:  Simplify (+ (* 1/2 (sqr x)) (+ (* -1 x) 1)) into (- (+ (* 1/2 (sqr x)) 1) x)
* [misc]approximate:  Taking taylor expansion of (/ (sqrt (- 1 (/ 1 x))) (sqrt (+ 1 (/ 1 x)))) in (x) around 0
* [misc]taylor:  Taking taylor expansion of (/ (sqrt (- 1 (/ 1 x))) (sqrt (+ 1 (/ 1 x)))) in x
* [misc]taylor:  Taking taylor expansion of (sqrt (- 1 (/ 1 x))) in x
* [misc]taylor:  Taking taylor expansion of (- 1 (/ 1 x)) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (sqrt 0) into 0
* [misc]backup-simplify:  Simplify (/ -1 (* 2 (sqrt 0))) into +nan.0
* [misc]taylor:  Taking taylor expansion of (sqrt (+ 1 (/ 1 x))) in x
* [misc]taylor:  Taking taylor expansion of (+ 1 (/ 1 x)) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (sqrt 0) into 0
* [misc]backup-simplify:  Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0
* [misc]backup-simplify:  Simplify (/ +nan.0 +nan.0) into +nan.0
* [misc]taylor:  Taking taylor expansion of (/ (sqrt (- 1 (/ 1 x))) (sqrt (+ 1 (/ 1 x)))) in x
* [misc]taylor:  Taking taylor expansion of (sqrt (- 1 (/ 1 x))) in x
* [misc]taylor:  Taking taylor expansion of (- 1 (/ 1 x)) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (sqrt 0) into 0
* [misc]backup-simplify:  Simplify (/ -1 (* 2 (sqrt 0))) into +nan.0
* [misc]taylor:  Taking taylor expansion of (sqrt (+ 1 (/ 1 x))) in x
* [misc]taylor:  Taking taylor expansion of (+ 1 (/ 1 x)) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (sqrt 0) into 0
* [misc]backup-simplify:  Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0
* [misc]backup-simplify:  Simplify (/ +nan.0 +nan.0) into +nan.0
* [misc]backup-simplify:  Simplify +nan.0 into +nan.0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (/ (- 1 (sqr +nan.0) (+)) (* 2 0)) into +nan.0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (/ (- 1 (sqr +nan.0) (+)) (* 2 0)) into +nan.0
* [misc]backup-simplify:  Simplify (- (/ +nan.0 +nan.0) (+ (* +nan.0 (/ +nan.0 +nan.0)))) into (- +nan.0)
* [misc]backup-simplify:  Simplify (- +nan.0) into (- +nan.0)
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* +nan.0 +nan.0)))) (* 2 0)) into +nan.0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* +nan.0 +nan.0)))) (* 2 0)) into +nan.0
* [misc]backup-simplify:  Simplify (- (/ +nan.0 +nan.0) (+ (* +nan.0 (/ +nan.0 +nan.0)) (* (- +nan.0) (/ +nan.0 +nan.0)))) into (- +nan.0)
* [misc]backup-simplify:  Simplify (- +nan.0) into (- +nan.0)
* [misc]backup-simplify:  Simplify (+ (* (- +nan.0) (sqr (/ 1 x))) (+ (* (- +nan.0) (/ 1 x)) +nan.0)) into (- (+ (* +nan.0 (/ 1 (sqr x))) (- (+ +nan.0 (- (* +nan.0 (/ 1 x)))))))
* [misc]approximate:  Taking taylor expansion of (/ (sqrt (- 1 (/ 1 (- x)))) (sqrt (+ 1 (/ 1 (- x))))) in (x) around 0
* [misc]taylor:  Taking taylor expansion of (/ (sqrt (- 1 (/ 1 (- x)))) (sqrt (+ 1 (/ 1 (- x))))) in x
* [misc]taylor:  Taking taylor expansion of (sqrt (- 1 (/ 1 (- x)))) in x
* [misc]taylor:  Taking taylor expansion of (- 1 (/ 1 (- x))) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (- -1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (sqrt 0) into 0
* [misc]backup-simplify:  Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0
* [misc]taylor:  Taking taylor expansion of (sqrt (+ 1 (/ 1 (- x)))) in x
* [misc]taylor:  Taking taylor expansion of (+ 1 (/ 1 (- x))) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (sqrt 0) into 0
* [misc]backup-simplify:  Simplify (/ -1 (* 2 (sqrt 0))) into +nan.0
* [misc]backup-simplify:  Simplify (/ +nan.0 +nan.0) into +nan.0
* [misc]taylor:  Taking taylor expansion of (/ (sqrt (- 1 (/ 1 (- x)))) (sqrt (+ 1 (/ 1 (- x))))) in x
* [misc]taylor:  Taking taylor expansion of (sqrt (- 1 (/ 1 (- x)))) in x
* [misc]taylor:  Taking taylor expansion of (- 1 (/ 1 (- x))) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (- -1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (sqrt 0) into 0
* [misc]backup-simplify:  Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0
* [misc]taylor:  Taking taylor expansion of (sqrt (+ 1 (/ 1 (- x)))) in x
* [misc]taylor:  Taking taylor expansion of (+ 1 (/ 1 (- x))) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (sqrt 0) into 0
* [misc]backup-simplify:  Simplify (/ -1 (* 2 (sqrt 0))) into +nan.0
* [misc]backup-simplify:  Simplify (/ +nan.0 +nan.0) into +nan.0
* [misc]backup-simplify:  Simplify +nan.0 into +nan.0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (/ (- 1 (sqr +nan.0) (+)) (* 2 0)) into +nan.0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (/ (- 1 (sqr +nan.0) (+)) (* 2 0)) into +nan.0
* [misc]backup-simplify:  Simplify (- (/ +nan.0 +nan.0) (+ (* +nan.0 (/ +nan.0 +nan.0)))) into (- +nan.0)
* [misc]backup-simplify:  Simplify (- +nan.0) into (- +nan.0)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* +nan.0 +nan.0)))) (* 2 0)) into +nan.0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* +nan.0 +nan.0)))) (* 2 0)) into +nan.0
* [misc]backup-simplify:  Simplify (- (/ +nan.0 +nan.0) (+ (* +nan.0 (/ +nan.0 +nan.0)) (* (- +nan.0) (/ +nan.0 +nan.0)))) into (- +nan.0)
* [misc]backup-simplify:  Simplify (- +nan.0) into (- +nan.0)
* [misc]backup-simplify:  Simplify (+ (* (- +nan.0) (sqr (/ 1 (- x)))) (+ (* (- +nan.0) (/ 1 (- x))) +nan.0)) into (- (+ (* +nan.0 (/ 1 (sqr x))) (- (+ +nan.0 (- (* +nan.0 (/ 1 x)))))))
* * * * [misc]progress:  [ 2 / 4 ] generating series at (2 2 1 1)
* [misc]approximate:  Taking taylor expansion of (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))) in (x) around 0
* [misc]taylor:  Taking taylor expansion of (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))) in x
* [misc]taylor:  Taking taylor expansion of (/ (sqrt (- 1 x)) (sqrt (+ 1 x))) in x
* [misc]taylor:  Taking taylor expansion of (sqrt (- 1 x)) in x
* [misc]taylor:  Taking taylor expansion of (- 1 x) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (sqrt 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (/ -1 (* 2 (sqrt 1))) into -1/2
* [misc]taylor:  Taking taylor expansion of (sqrt (+ 1 x)) in x
* [misc]taylor:  Taking taylor expansion of (+ 1 x) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (sqrt 1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (/ 1 (* 2 (sqrt 1))) into 1/2
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))) in x
* [misc]taylor:  Taking taylor expansion of (/ (sqrt (- 1 x)) (sqrt (+ 1 x))) in x
* [misc]taylor:  Taking taylor expansion of (sqrt (- 1 x)) in x
* [misc]taylor:  Taking taylor expansion of (- 1 x) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (sqrt 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (/ -1 (* 2 (sqrt 1))) into -1/2
* [misc]taylor:  Taking taylor expansion of (sqrt (+ 1 x)) in x
* [misc]taylor:  Taking taylor expansion of (+ 1 x) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (sqrt 1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (/ 1 (* 2 (sqrt 1))) into 1/2
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (* 1 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (/ -1/2 1) (+ (* 1 (/ 1/2 1)))) into -1
* [misc]backup-simplify:  Simplify (+ (* 1 -1) (* -1 1)) into -2
* [misc]backup-simplify:  Simplify -2 into -2
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr -1/2) (+)) (* 2 1)) into -1/8
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 1/2) (+)) (* 2 1)) into -1/8
* [misc]backup-simplify:  Simplify (- (/ -1/8 1) (+ (* 1 (/ -1/8 1)) (* -1 (/ 1/2 1)))) into 1/2
* [misc]backup-simplify:  Simplify (+ (* 1 1/2) (+ (* -1 -1) (* 1/2 1))) into 2
* [misc]backup-simplify:  Simplify 2 into 2
* [misc]backup-simplify:  Simplify (+ (* 2 (sqr x)) (+ (* -2 x) 1)) into (- (+ (* 2 (sqr x)) 1) (* 2 x))
* [misc]approximate:  Taking taylor expansion of (sqr (/ (sqrt (- 1 (/ 1 x))) (sqrt (+ 1 (/ 1 x))))) in (x) around 0
* [misc]taylor:  Taking taylor expansion of (sqr (/ (sqrt (- 1 (/ 1 x))) (sqrt (+ 1 (/ 1 x))))) in x
* [misc]taylor:  Taking taylor expansion of (/ (sqrt (- 1 (/ 1 x))) (sqrt (+ 1 (/ 1 x)))) in x
* [misc]taylor:  Taking taylor expansion of (sqrt (- 1 (/ 1 x))) in x
* [misc]taylor:  Taking taylor expansion of (- 1 (/ 1 x)) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (sqrt 0) into 0
* [misc]backup-simplify:  Simplify (/ -1 (* 2 (sqrt 0))) into +nan.0
* [misc]taylor:  Taking taylor expansion of (sqrt (+ 1 (/ 1 x))) in x
* [misc]taylor:  Taking taylor expansion of (+ 1 (/ 1 x)) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (sqrt 0) into 0
* [misc]backup-simplify:  Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0
* [misc]backup-simplify:  Simplify (/ +nan.0 +nan.0) into +nan.0
* [misc]taylor:  Taking taylor expansion of (sqr (/ (sqrt (- 1 (/ 1 x))) (sqrt (+ 1 (/ 1 x))))) in x
* [misc]taylor:  Taking taylor expansion of (/ (sqrt (- 1 (/ 1 x))) (sqrt (+ 1 (/ 1 x)))) in x
* [misc]taylor:  Taking taylor expansion of (sqrt (- 1 (/ 1 x))) in x
* [misc]taylor:  Taking taylor expansion of (- 1 (/ 1 x)) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (sqrt 0) into 0
* [misc]backup-simplify:  Simplify (/ -1 (* 2 (sqrt 0))) into +nan.0
* [misc]taylor:  Taking taylor expansion of (sqrt (+ 1 (/ 1 x))) in x
* [misc]taylor:  Taking taylor expansion of (+ 1 (/ 1 x)) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (sqrt 0) into 0
* [misc]backup-simplify:  Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0
* [misc]backup-simplify:  Simplify (/ +nan.0 +nan.0) into +nan.0
* [misc]backup-simplify:  Simplify (* +nan.0 +nan.0) into +nan.0
* [misc]backup-simplify:  Simplify +nan.0 into +nan.0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (/ (- 1 (sqr +nan.0) (+)) (* 2 0)) into +nan.0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (/ (- 1 (sqr +nan.0) (+)) (* 2 0)) into +nan.0
* [misc]backup-simplify:  Simplify (- (/ +nan.0 +nan.0) (+ (* +nan.0 (/ +nan.0 +nan.0)))) into (- +nan.0)
* [misc]backup-simplify:  Simplify (+ (* +nan.0 (- +nan.0)) (* (- +nan.0) +nan.0)) into (- +nan.0)
* [misc]backup-simplify:  Simplify (- +nan.0) into (- +nan.0)
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* +nan.0 +nan.0)))) (* 2 0)) into +nan.0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* +nan.0 +nan.0)))) (* 2 0)) into +nan.0
* [misc]backup-simplify:  Simplify (- (/ +nan.0 +nan.0) (+ (* +nan.0 (/ +nan.0 +nan.0)) (* (- +nan.0) (/ +nan.0 +nan.0)))) into (- +nan.0)
* [misc]backup-simplify:  Simplify (+ (* +nan.0 (- +nan.0)) (+ (* (- +nan.0) (- +nan.0)) (* (- +nan.0) +nan.0))) into (- +nan.0)
* [misc]backup-simplify:  Simplify (- +nan.0) into (- +nan.0)
* [misc]backup-simplify:  Simplify (+ (* (- +nan.0) (sqr (/ 1 x))) (+ (* (- +nan.0) (/ 1 x)) +nan.0)) into (- (+ (* +nan.0 (/ 1 (sqr x))) (- (+ +nan.0 (- (* +nan.0 (/ 1 x)))))))
* [misc]approximate:  Taking taylor expansion of (sqr (/ (sqrt (- 1 (/ 1 (- x)))) (sqrt (+ 1 (/ 1 (- x)))))) in (x) around 0
* [misc]taylor:  Taking taylor expansion of (sqr (/ (sqrt (- 1 (/ 1 (- x)))) (sqrt (+ 1 (/ 1 (- x)))))) in x
* [misc]taylor:  Taking taylor expansion of (/ (sqrt (- 1 (/ 1 (- x)))) (sqrt (+ 1 (/ 1 (- x))))) in x
* [misc]taylor:  Taking taylor expansion of (sqrt (- 1 (/ 1 (- x)))) in x
* [misc]taylor:  Taking taylor expansion of (- 1 (/ 1 (- x))) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (- -1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (sqrt 0) into 0
* [misc]backup-simplify:  Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0
* [misc]taylor:  Taking taylor expansion of (sqrt (+ 1 (/ 1 (- x)))) in x
* [misc]taylor:  Taking taylor expansion of (+ 1 (/ 1 (- x))) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (sqrt 0) into 0
* [misc]backup-simplify:  Simplify (/ -1 (* 2 (sqrt 0))) into +nan.0
* [misc]backup-simplify:  Simplify (/ +nan.0 +nan.0) into +nan.0
* [misc]taylor:  Taking taylor expansion of (sqr (/ (sqrt (- 1 (/ 1 (- x)))) (sqrt (+ 1 (/ 1 (- x)))))) in x
* [misc]taylor:  Taking taylor expansion of (/ (sqrt (- 1 (/ 1 (- x)))) (sqrt (+ 1 (/ 1 (- x))))) in x
* [misc]taylor:  Taking taylor expansion of (sqrt (- 1 (/ 1 (- x)))) in x
* [misc]taylor:  Taking taylor expansion of (- 1 (/ 1 (- x))) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (- -1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (sqrt 0) into 0
* [misc]backup-simplify:  Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0
* [misc]taylor:  Taking taylor expansion of (sqrt (+ 1 (/ 1 (- x)))) in x
* [misc]taylor:  Taking taylor expansion of (+ 1 (/ 1 (- x))) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (sqrt 0) into 0
* [misc]backup-simplify:  Simplify (/ -1 (* 2 (sqrt 0))) into +nan.0
* [misc]backup-simplify:  Simplify (/ +nan.0 +nan.0) into +nan.0
* [misc]backup-simplify:  Simplify (* +nan.0 +nan.0) into +nan.0
* [misc]backup-simplify:  Simplify +nan.0 into +nan.0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (/ (- 1 (sqr +nan.0) (+)) (* 2 0)) into +nan.0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (/ (- 1 (sqr +nan.0) (+)) (* 2 0)) into +nan.0
* [misc]backup-simplify:  Simplify (- (/ +nan.0 +nan.0) (+ (* +nan.0 (/ +nan.0 +nan.0)))) into (- +nan.0)
* [misc]backup-simplify:  Simplify (+ (* +nan.0 (- +nan.0)) (* (- +nan.0) +nan.0)) into (- +nan.0)
* [misc]backup-simplify:  Simplify (- +nan.0) into (- +nan.0)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* +nan.0 +nan.0)))) (* 2 0)) into +nan.0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* +nan.0 +nan.0)))) (* 2 0)) into +nan.0
* [misc]backup-simplify:  Simplify (- (/ +nan.0 +nan.0) (+ (* +nan.0 (/ +nan.0 +nan.0)) (* (- +nan.0) (/ +nan.0 +nan.0)))) into (- +nan.0)
* [misc]backup-simplify:  Simplify (+ (* +nan.0 (- +nan.0)) (+ (* (- +nan.0) (- +nan.0)) (* (- +nan.0) +nan.0))) into (- +nan.0)
* [misc]backup-simplify:  Simplify (- +nan.0) into (- +nan.0)
* [misc]backup-simplify:  Simplify (+ (* (- +nan.0) (sqr (/ 1 (- x)))) (+ (* (- +nan.0) (/ 1 (- x))) +nan.0)) into (- (+ (* +nan.0 (/ 1 (sqr x))) (- (+ +nan.0 (- (* +nan.0 (/ 1 x)))))))
* * * * [misc]progress:  [ 3 / 4 ] generating series at (2 2 1 1 1 1)
* [misc]approximate:  Taking taylor expansion of (sqrt (- 1 x)) in (x) around 0
* [misc]taylor:  Taking taylor expansion of (sqrt (- 1 x)) in x
* [misc]taylor:  Taking taylor expansion of (- 1 x) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (sqrt 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (/ -1 (* 2 (sqrt 1))) into -1/2
* [misc]taylor:  Taking taylor expansion of (sqrt (- 1 x)) in x
* [misc]taylor:  Taking taylor expansion of (- 1 x) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (sqrt 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (/ -1 (* 2 (sqrt 1))) into -1/2
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify -1/2 into -1/2
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr -1/2) (+)) (* 2 1)) into -1/8
* [misc]backup-simplify:  Simplify -1/8 into -1/8
* [misc]backup-simplify:  Simplify (+ (* -1/8 (sqr x)) (+ (* -1/2 x) 1)) into (- 1 (+ (* 1/8 (sqr x)) (* 1/2 x)))
* [misc]approximate:  Taking taylor expansion of (sqrt (- 1 (/ 1 x))) in (x) around 0
* [misc]taylor:  Taking taylor expansion of (sqrt (- 1 (/ 1 x))) in x
* [misc]taylor:  Taking taylor expansion of (- 1 (/ 1 x)) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (sqrt 0) into 0
* [misc]backup-simplify:  Simplify (/ -1 (* 2 (sqrt 0))) into +nan.0
* [misc]taylor:  Taking taylor expansion of (sqrt (- 1 (/ 1 x))) in x
* [misc]taylor:  Taking taylor expansion of (- 1 (/ 1 x)) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (sqrt 0) into 0
* [misc]backup-simplify:  Simplify (/ -1 (* 2 (sqrt 0))) into +nan.0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify +nan.0 into +nan.0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (/ (- 1 (sqr +nan.0) (+)) (* 2 0)) into +nan.0
* [misc]backup-simplify:  Simplify +nan.0 into +nan.0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* +nan.0 +nan.0)))) (* 2 0)) into +nan.0
* [misc]backup-simplify:  Simplify +nan.0 into +nan.0
* [misc]backup-simplify:  Simplify (+ (* +nan.0 (sqr (/ 1 x))) (+ (* +nan.0 (/ 1 x)) +nan.0)) into (- (+ (* +nan.0 (/ 1 (sqr x))) (- (+ +nan.0 (- (* +nan.0 (/ 1 x)))))))
* [misc]approximate:  Taking taylor expansion of (sqrt (- 1 (/ 1 (- x)))) in (x) around 0
* [misc]taylor:  Taking taylor expansion of (sqrt (- 1 (/ 1 (- x)))) in x
* [misc]taylor:  Taking taylor expansion of (- 1 (/ 1 (- x))) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (- -1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (sqrt 0) into 0
* [misc]backup-simplify:  Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0
* [misc]taylor:  Taking taylor expansion of (sqrt (- 1 (/ 1 (- x)))) in x
* [misc]taylor:  Taking taylor expansion of (- 1 (/ 1 (- x))) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (- -1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (sqrt 0) into 0
* [misc]backup-simplify:  Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify +nan.0 into +nan.0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (/ (- 1 (sqr +nan.0) (+)) (* 2 0)) into +nan.0
* [misc]backup-simplify:  Simplify +nan.0 into +nan.0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* +nan.0 +nan.0)))) (* 2 0)) into +nan.0
* [misc]backup-simplify:  Simplify +nan.0 into +nan.0
* [misc]backup-simplify:  Simplify (+ (* +nan.0 (sqr (/ 1 (- x)))) (+ (* +nan.0 (/ 1 (- x))) +nan.0)) into (- (+ (* +nan.0 (/ 1 (sqr x))) (- (+ +nan.0 (- (* +nan.0 (/ 1 x)))))))
* * * * [misc]progress:  [ 4 / 4 ] generating series at (2 2 1)
* [misc]approximate:  Taking taylor expansion of (sqrt (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))) in (x) around 0
* [misc]taylor:  Taking taylor expansion of (sqrt (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))) in x
* [misc]taylor:  Taking taylor expansion of (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))) in x
* [misc]taylor:  Taking taylor expansion of (/ (sqrt (- 1 x)) (sqrt (+ 1 x))) in x
* [misc]taylor:  Taking taylor expansion of (sqrt (- 1 x)) in x
* [misc]taylor:  Taking taylor expansion of (- 1 x) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (sqrt 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (/ -1 (* 2 (sqrt 1))) into -1/2
* [misc]taylor:  Taking taylor expansion of (sqrt (+ 1 x)) in x
* [misc]taylor:  Taking taylor expansion of (+ 1 x) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (sqrt 1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (/ 1 (* 2 (sqrt 1))) into 1/2
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (* 1 1) into 1
* [misc]backup-simplify:  Simplify (sqrt 1) into 1
* [misc]backup-simplify:  Simplify (- (/ -1/2 1) (+ (* 1 (/ 1/2 1)))) into -1
* [misc]backup-simplify:  Simplify (+ (* 1 -1) (* -1 1)) into -2
* [misc]backup-simplify:  Simplify (/ -2 (* 2 (sqrt 1))) into -1
* [misc]taylor:  Taking taylor expansion of (sqrt (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))) in x
* [misc]taylor:  Taking taylor expansion of (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))) in x
* [misc]taylor:  Taking taylor expansion of (/ (sqrt (- 1 x)) (sqrt (+ 1 x))) in x
* [misc]taylor:  Taking taylor expansion of (sqrt (- 1 x)) in x
* [misc]taylor:  Taking taylor expansion of (- 1 x) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (sqrt 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (/ -1 (* 2 (sqrt 1))) into -1/2
* [misc]taylor:  Taking taylor expansion of (sqrt (+ 1 x)) in x
* [misc]taylor:  Taking taylor expansion of (+ 1 x) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (sqrt 1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (/ 1 (* 2 (sqrt 1))) into 1/2
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (* 1 1) into 1
* [misc]backup-simplify:  Simplify (sqrt 1) into 1
* [misc]backup-simplify:  Simplify (- (/ -1/2 1) (+ (* 1 (/ 1/2 1)))) into -1
* [misc]backup-simplify:  Simplify (+ (* 1 -1) (* -1 1)) into -2
* [misc]backup-simplify:  Simplify (/ -2 (* 2 (sqrt 1))) into -1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr -1/2) (+)) (* 2 1)) into -1/8
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 1/2) (+)) (* 2 1)) into -1/8
* [misc]backup-simplify:  Simplify (- (/ -1/8 1) (+ (* 1 (/ -1/8 1)) (* -1 (/ 1/2 1)))) into 1/2
* [misc]backup-simplify:  Simplify (+ (* 1 1/2) (+ (* -1 -1) (* 1/2 1))) into 2
* [misc]backup-simplify:  Simplify (/ (- 2 (sqr -1) (+)) (* 2 1)) into 1/2
* [misc]backup-simplify:  Simplify 1/2 into 1/2
* [misc]backup-simplify:  Simplify (+ (* 1/2 (sqr x)) (+ (* -1 x) 1)) into (- (+ (* 1/2 (sqr x)) 1) x)
* [misc]approximate:  Taking taylor expansion of (sqrt (sqr (/ (sqrt (- 1 (/ 1 x))) (sqrt (+ 1 (/ 1 x)))))) in (x) around 0
* [misc]taylor:  Taking taylor expansion of (sqrt (sqr (/ (sqrt (- 1 (/ 1 x))) (sqrt (+ 1 (/ 1 x)))))) in x
* [misc]taylor:  Taking taylor expansion of (sqr (/ (sqrt (- 1 (/ 1 x))) (sqrt (+ 1 (/ 1 x))))) in x
* [misc]taylor:  Taking taylor expansion of (/ (sqrt (- 1 (/ 1 x))) (sqrt (+ 1 (/ 1 x)))) in x
* [misc]taylor:  Taking taylor expansion of (sqrt (- 1 (/ 1 x))) in x
* [misc]taylor:  Taking taylor expansion of (- 1 (/ 1 x)) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (sqrt 0) into 0
* [misc]backup-simplify:  Simplify (/ -1 (* 2 (sqrt 0))) into +nan.0
* [misc]taylor:  Taking taylor expansion of (sqrt (+ 1 (/ 1 x))) in x
* [misc]taylor:  Taking taylor expansion of (+ 1 (/ 1 x)) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (sqrt 0) into 0
* [misc]backup-simplify:  Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0
* [misc]backup-simplify:  Simplify (/ +nan.0 +nan.0) into +nan.0
* [misc]backup-simplify:  Simplify (* +nan.0 +nan.0) into +nan.0
* [misc]backup-simplify:  Simplify (sqrt +nan.0) into (sqrt +nan.0)
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (/ (- 1 (sqr +nan.0) (+)) (* 2 0)) into +nan.0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (/ (- 1 (sqr +nan.0) (+)) (* 2 0)) into +nan.0
* [misc]backup-simplify:  Simplify (- (/ +nan.0 +nan.0) (+ (* +nan.0 (/ +nan.0 +nan.0)))) into (- +nan.0)
* [misc]backup-simplify:  Simplify (+ (* +nan.0 (- +nan.0)) (* (- +nan.0) +nan.0)) into (- +nan.0)
* [misc]backup-simplify:  Simplify (/ (- +nan.0) (* 2 (sqrt +nan.0))) into (/ +nan.0 (sqrt +nan.0))
* [misc]taylor:  Taking taylor expansion of (sqrt (sqr (/ (sqrt (- 1 (/ 1 x))) (sqrt (+ 1 (/ 1 x)))))) in x
* [misc]taylor:  Taking taylor expansion of (sqr (/ (sqrt (- 1 (/ 1 x))) (sqrt (+ 1 (/ 1 x))))) in x
* [misc]taylor:  Taking taylor expansion of (/ (sqrt (- 1 (/ 1 x))) (sqrt (+ 1 (/ 1 x)))) in x
* [misc]taylor:  Taking taylor expansion of (sqrt (- 1 (/ 1 x))) in x
* [misc]taylor:  Taking taylor expansion of (- 1 (/ 1 x)) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (sqrt 0) into 0
* [misc]backup-simplify:  Simplify (/ -1 (* 2 (sqrt 0))) into +nan.0
* [misc]taylor:  Taking taylor expansion of (sqrt (+ 1 (/ 1 x))) in x
* [misc]taylor:  Taking taylor expansion of (+ 1 (/ 1 x)) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (sqrt 0) into 0
* [misc]backup-simplify:  Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0
* [misc]backup-simplify:  Simplify (/ +nan.0 +nan.0) into +nan.0
* [misc]backup-simplify:  Simplify (* +nan.0 +nan.0) into +nan.0
* [misc]backup-simplify:  Simplify (sqrt +nan.0) into (sqrt +nan.0)
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (/ (- 1 (sqr +nan.0) (+)) (* 2 0)) into +nan.0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (/ (- 1 (sqr +nan.0) (+)) (* 2 0)) into +nan.0
* [misc]backup-simplify:  Simplify (- (/ +nan.0 +nan.0) (+ (* +nan.0 (/ +nan.0 +nan.0)))) into (- +nan.0)
* [misc]backup-simplify:  Simplify (+ (* +nan.0 (- +nan.0)) (* (- +nan.0) +nan.0)) into (- +nan.0)
* [misc]backup-simplify:  Simplify (/ (- +nan.0) (* 2 (sqrt +nan.0))) into (/ +nan.0 (sqrt +nan.0))
* [misc]backup-simplify:  Simplify (sqrt +nan.0) into (sqrt +nan.0)
* [misc]backup-simplify:  Simplify (/ +nan.0 (sqrt +nan.0)) into (/ +nan.0 (sqrt +nan.0))
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* +nan.0 +nan.0)))) (* 2 0)) into +nan.0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* +nan.0 +nan.0)))) (* 2 0)) into +nan.0
* [misc]backup-simplify:  Simplify (- (/ +nan.0 +nan.0) (+ (* +nan.0 (/ +nan.0 +nan.0)) (* (- +nan.0) (/ +nan.0 +nan.0)))) into (- +nan.0)
* [misc]backup-simplify:  Simplify (+ (* +nan.0 (- +nan.0)) (+ (* (- +nan.0) (- +nan.0)) (* (- +nan.0) +nan.0))) into (- +nan.0)
* [misc]backup-simplify:  Simplify (/ (- (- +nan.0) (sqr (/ +nan.0 (sqrt +nan.0))) (+)) (* 2 (sqrt +nan.0))) into (* -1/2 (/ (+ (* +nan.0 (/ 1 (sqr (sqrt +nan.0)))) (- +nan.0)) (sqrt +nan.0)))
* [misc]backup-simplify:  Simplify (* -1/2 (/ (+ (* +nan.0 (/ 1 (sqr (sqrt +nan.0)))) (- +nan.0)) (sqrt +nan.0))) into (* 1/2 (/ (+ (* +nan.0 (/ 1 (sqr (sqrt +nan.0)))) (- +nan.0)) (sqrt +nan.0)))
* [misc]backup-simplify:  Simplify (+ (* (* 1/2 (/ (+ (* +nan.0 (/ 1 (sqr (sqrt +nan.0)))) (- +nan.0)) (sqrt +nan.0))) (sqr (/ 1 x))) (+ (* (/ +nan.0 (sqrt +nan.0)) (/ 1 x)) (sqrt +nan.0))) into (- (sqrt +nan.0) (+ (* +nan.0 (/ 1 (* (sqrt +nan.0) (sqr x)))) (- (+ (* +nan.0 (/ 1 (* (sqrt +nan.0) x))) (- (* +nan.0 (/ 1 (* (pow (sqrt +nan.0) 3) (sqr x)))))))))
* [misc]approximate:  Taking taylor expansion of (sqrt (sqr (/ (sqrt (- 1 (/ 1 (- x)))) (sqrt (+ 1 (/ 1 (- x))))))) in (x) around 0
* [misc]taylor:  Taking taylor expansion of (sqrt (sqr (/ (sqrt (- 1 (/ 1 (- x)))) (sqrt (+ 1 (/ 1 (- x))))))) in x
* [misc]taylor:  Taking taylor expansion of (sqr (/ (sqrt (- 1 (/ 1 (- x)))) (sqrt (+ 1 (/ 1 (- x)))))) in x
* [misc]taylor:  Taking taylor expansion of (/ (sqrt (- 1 (/ 1 (- x)))) (sqrt (+ 1 (/ 1 (- x))))) in x
* [misc]taylor:  Taking taylor expansion of (sqrt (- 1 (/ 1 (- x)))) in x
* [misc]taylor:  Taking taylor expansion of (- 1 (/ 1 (- x))) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (- -1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (sqrt 0) into 0
* [misc]backup-simplify:  Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0
* [misc]taylor:  Taking taylor expansion of (sqrt (+ 1 (/ 1 (- x)))) in x
* [misc]taylor:  Taking taylor expansion of (+ 1 (/ 1 (- x))) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (sqrt 0) into 0
* [misc]backup-simplify:  Simplify (/ -1 (* 2 (sqrt 0))) into +nan.0
* [misc]backup-simplify:  Simplify (/ +nan.0 +nan.0) into +nan.0
* [misc]backup-simplify:  Simplify (* +nan.0 +nan.0) into +nan.0
* [misc]backup-simplify:  Simplify (sqrt +nan.0) into (sqrt +nan.0)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (/ (- 1 (sqr +nan.0) (+)) (* 2 0)) into +nan.0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (/ (- 1 (sqr +nan.0) (+)) (* 2 0)) into +nan.0
* [misc]backup-simplify:  Simplify (- (/ +nan.0 +nan.0) (+ (* +nan.0 (/ +nan.0 +nan.0)))) into (- +nan.0)
* [misc]backup-simplify:  Simplify (+ (* +nan.0 (- +nan.0)) (* (- +nan.0) +nan.0)) into (- +nan.0)
* [misc]backup-simplify:  Simplify (/ (- +nan.0) (* 2 (sqrt +nan.0))) into (/ +nan.0 (sqrt +nan.0))
* [misc]taylor:  Taking taylor expansion of (sqrt (sqr (/ (sqrt (- 1 (/ 1 (- x)))) (sqrt (+ 1 (/ 1 (- x))))))) in x
* [misc]taylor:  Taking taylor expansion of (sqr (/ (sqrt (- 1 (/ 1 (- x)))) (sqrt (+ 1 (/ 1 (- x)))))) in x
* [misc]taylor:  Taking taylor expansion of (/ (sqrt (- 1 (/ 1 (- x)))) (sqrt (+ 1 (/ 1 (- x))))) in x
* [misc]taylor:  Taking taylor expansion of (sqrt (- 1 (/ 1 (- x)))) in x
* [misc]taylor:  Taking taylor expansion of (- 1 (/ 1 (- x))) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (- -1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (sqrt 0) into 0
* [misc]backup-simplify:  Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0
* [misc]taylor:  Taking taylor expansion of (sqrt (+ 1 (/ 1 (- x)))) in x
* [misc]taylor:  Taking taylor expansion of (+ 1 (/ 1 (- x))) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (sqrt 0) into 0
* [misc]backup-simplify:  Simplify (/ -1 (* 2 (sqrt 0))) into +nan.0
* [misc]backup-simplify:  Simplify (/ +nan.0 +nan.0) into +nan.0
* [misc]backup-simplify:  Simplify (* +nan.0 +nan.0) into +nan.0
* [misc]backup-simplify:  Simplify (sqrt +nan.0) into (sqrt +nan.0)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (/ (- 1 (sqr +nan.0) (+)) (* 2 0)) into +nan.0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (/ (- 1 (sqr +nan.0) (+)) (* 2 0)) into +nan.0
* [misc]backup-simplify:  Simplify (- (/ +nan.0 +nan.0) (+ (* +nan.0 (/ +nan.0 +nan.0)))) into (- +nan.0)
* [misc]backup-simplify:  Simplify (+ (* +nan.0 (- +nan.0)) (* (- +nan.0) +nan.0)) into (- +nan.0)
* [misc]backup-simplify:  Simplify (/ (- +nan.0) (* 2 (sqrt +nan.0))) into (/ +nan.0 (sqrt +nan.0))
* [misc]backup-simplify:  Simplify (sqrt +nan.0) into (sqrt +nan.0)
* [misc]backup-simplify:  Simplify (/ +nan.0 (sqrt +nan.0)) into (/ +nan.0 (sqrt +nan.0))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* +nan.0 +nan.0)))) (* 2 0)) into +nan.0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* +nan.0 +nan.0)))) (* 2 0)) into +nan.0
* [misc]backup-simplify:  Simplify (- (/ +nan.0 +nan.0) (+ (* +nan.0 (/ +nan.0 +nan.0)) (* (- +nan.0) (/ +nan.0 +nan.0)))) into (- +nan.0)
* [misc]backup-simplify:  Simplify (+ (* +nan.0 (- +nan.0)) (+ (* (- +nan.0) (- +nan.0)) (* (- +nan.0) +nan.0))) into (- +nan.0)
* [misc]backup-simplify:  Simplify (/ (- (- +nan.0) (sqr (/ +nan.0 (sqrt +nan.0))) (+)) (* 2 (sqrt +nan.0))) into (* -1/2 (/ (+ (* +nan.0 (/ 1 (sqr (sqrt +nan.0)))) (- +nan.0)) (sqrt +nan.0)))
* [misc]backup-simplify:  Simplify (* -1/2 (/ (+ (* +nan.0 (/ 1 (sqr (sqrt +nan.0)))) (- +nan.0)) (sqrt +nan.0))) into (* 1/2 (/ (+ (* +nan.0 (/ 1 (sqr (sqrt +nan.0)))) (- +nan.0)) (sqrt +nan.0)))
* [misc]backup-simplify:  Simplify (+ (* (* 1/2 (/ (+ (* +nan.0 (/ 1 (sqr (sqrt +nan.0)))) (- +nan.0)) (sqrt +nan.0))) (sqr (/ 1 (- x)))) (+ (* (/ +nan.0 (sqrt +nan.0)) (/ 1 (- x))) (sqrt +nan.0))) into (- (sqrt +nan.0) (+ (* +nan.0 (/ 1 (* (sqrt +nan.0) (sqr x)))) (- (+ (* +nan.0 (/ 1 (* (sqrt +nan.0) x))) (- (* +nan.0 (/ 1 (* (pow (sqrt +nan.0) 3) (sqr x)))))))))
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 4 ] rewriting at (2 2 1 1 1)
* * * * [misc]progress:  [ 2 / 4 ] rewriting at (2 2 1 1)
* * * * [misc]progress:  [ 3 / 4 ] rewriting at (2 2 1 1 1 1)
* * * * [misc]progress:  [ 4 / 4 ] rewriting at (2 2 1)
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 97 ] simplifiying candidate #<alt-event (λ (x) (* 2 (atan (sqrt (sqr (- (+ (* 1/2 (sqr x)) 1) x))))))>
* [enter]simplify:  Simplifying (* 2 (atan (sqrt (sqr (- (+ (* 1/2 (sqr x)) 1) x)))))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (23 enodes)
* * [misc]simplify:  iters left: 4 (35 enodes)
* * [misc]simplify:  iters left: 3 (63 enodes)
* * [misc]simplify:  iters left: 2 (108 enodes)
* * [misc]simplify:  iters left: 1 (197 enodes)
* [exit]simplify:  Simplified to (* 2 (atan (fabs (fma 1/2 (* x x) (- 1 x)))))
* * * * [misc]progress:  [ 2 / 97 ] simplifiying candidate #<alt-event (λ (x) (* 2 (atan (sqrt (sqr (- (+ (* +nan.0 (/ 1 (sqr x))) (- (+ +nan.0 (- (* +nan.0 (/ 1 x))))))))))))>
* [enter]simplify:  Simplifying (* 2 (atan (sqrt (sqr (- (+ (* +nan.0 (/ 1 (sqr x))) (- (+ +nan.0 (- (* +nan.0 (/ 1 x)))))))))))
* * * * [misc]progress:  [ 3 / 97 ] simplifiying candidate #<alt-event (λ (x) (* 2 (atan (sqrt (sqr (- (+ (* +nan.0 (/ 1 (sqr x))) (- (+ +nan.0 (- (* +nan.0 (/ 1 x))))))))))))>
* [enter]simplify:  Simplifying (* 2 (atan (sqrt (sqr (- (+ (* +nan.0 (/ 1 (sqr x))) (- (+ +nan.0 (- (* +nan.0 (/ 1 x)))))))))))
* * * * [misc]progress:  [ 4 / 97 ] simplifiying candidate #<alt-event (λ (x) (* 2 (atan (sqrt (- (+ (* 2 (sqr x)) 1) (* 2 x))))))>
* [enter]simplify:  Simplifying (* 2 (atan (sqrt (- (+ (* 2 (sqr x)) 1) (* 2 x)))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (21 enodes)
* * [misc]simplify:  iters left: 4 (26 enodes)
* * [misc]simplify:  iters left: 3 (32 enodes)
* * [misc]simplify:  iters left: 2 (42 enodes)
* * [misc]simplify:  iters left: 1 (50 enodes)
* [exit]simplify:  Simplified to (* (atan (sqrt (fma x (* x 2) (- 1 (* x 2))))) 2)
* * * * [misc]progress:  [ 5 / 97 ] simplifiying candidate #<alt-event (λ (x) (* 2 (atan (sqrt (- (+ (* +nan.0 (/ 1 (sqr x))) (- (+ +nan.0 (- (* +nan.0 (/ 1 x)))))))))))>
* [enter]simplify:  Simplifying (* 2 (atan (sqrt (- (+ (* +nan.0 (/ 1 (sqr x))) (- (+ +nan.0 (- (* +nan.0 (/ 1 x))))))))))
* * * * [misc]progress:  [ 6 / 97 ] simplifiying candidate #<alt-event (λ (x) (* 2 (atan (sqrt (- (+ (* +nan.0 (/ 1 (sqr x))) (- (+ +nan.0 (- (* +nan.0 (/ 1 x)))))))))))>
* [enter]simplify:  Simplifying (* 2 (atan (sqrt (- (+ (* +nan.0 (/ 1 (sqr x))) (- (+ +nan.0 (- (* +nan.0 (/ 1 x))))))))))
* * * * [misc]progress:  [ 7 / 97 ] simplifiying candidate #<alt-event (λ (x) (* 2 (atan (sqrt (sqr (/ (- 1 (+ (* 1/8 (sqr x)) (* 1/2 x))) (sqrt (+ 1 x))))))))>
* [enter]simplify:  Simplifying (* 2 (atan (sqrt (sqr (/ (- 1 (+ (* 1/8 (sqr x)) (* 1/2 x))) (sqrt (+ 1 x)))))))
* * [misc]simplify:  iters left: 6 (17 enodes)
* * [misc]simplify:  iters left: 5 (36 enodes)
* * [misc]simplify:  iters left: 4 (47 enodes)
* * [misc]simplify:  iters left: 3 (55 enodes)
* * [misc]simplify:  iters left: 2 (70 enodes)
* * [misc]simplify:  iters left: 1 (87 enodes)
* [exit]simplify:  Simplified to (* (atan (fabs (/ (- 1 (* x (fma 1/8 x 1/2))) (sqrt (+ 1 x))))) 2)
* * * * [misc]progress:  [ 8 / 97 ] simplifiying candidate #<alt-event (λ (x) (* 2 (atan (sqrt (sqr (/ (- (+ (* +nan.0 (/ 1 (sqr x))) (- (+ +nan.0 (- (* +nan.0 (/ 1 x))))))) (sqrt (+ 1 x))))))))>
* [enter]simplify:  Simplifying (* 2 (atan (sqrt (sqr (/ (- (+ (* +nan.0 (/ 1 (sqr x))) (- (+ +nan.0 (- (* +nan.0 (/ 1 x))))))) (sqrt (+ 1 x)))))))
* * * * [misc]progress:  [ 9 / 97 ] simplifiying candidate #<alt-event (λ (x) (* 2 (atan (sqrt (sqr (/ (- (+ (* +nan.0 (/ 1 (sqr x))) (- (+ +nan.0 (- (* +nan.0 (/ 1 x))))))) (sqrt (+ 1 x))))))))>
* [enter]simplify:  Simplifying (* 2 (atan (sqrt (sqr (/ (- (+ (* +nan.0 (/ 1 (sqr x))) (- (+ +nan.0 (- (* +nan.0 (/ 1 x))))))) (sqrt (+ 1 x)))))))
* * * * [misc]progress:  [ 10 / 97 ] simplifiying candidate #<alt-event (λ (x) (* 2 (atan (- (+ (* 1/2 (sqr x)) 1) x))))>
* [enter]simplify:  Simplifying (* 2 (atan (- (+ (* 1/2 (sqr x)) 1) x)))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* * [misc]simplify:  iters left: 4 (25 enodes)
* * [misc]simplify:  iters left: 3 (32 enodes)
* * [misc]simplify:  iters left: 2 (34 enodes)
* * [misc]simplify:  iters left: 1 (36 enodes)
* [exit]simplify:  Simplified to (* 2 (atan (fma x (* 1/2 x) (- 1 x))))
* * * * [misc]progress:  [ 11 / 97 ] simplifiying candidate #<alt-event (λ (x) (* 2 (atan (- (sqrt +nan.0) (+ (* +nan.0 (/ 1 (* (sqrt +nan.0) (sqr x)))) (- (+ (* +nan.0 (/ 1 (* (sqrt +nan.0) x))) (- (* +nan.0 (/ 1 (* (pow (sqrt +nan.0) 3) (sqr x))))))))))))>
* [enter]simplify:  Simplifying (* 2 (atan (- (sqrt +nan.0) (+ (* +nan.0 (/ 1 (* (sqrt +nan.0) (sqr x)))) (- (+ (* +nan.0 (/ 1 (* (sqrt +nan.0) x))) (- (* +nan.0 (/ 1 (* (pow (sqrt +nan.0) 3) (sqr x)))))))))))
* * * * [misc]progress:  [ 12 / 97 ] simplifiying candidate #<alt-event (λ (x) (* 2 (atan (- (sqrt +nan.0) (+ (* +nan.0 (/ 1 (* (sqrt +nan.0) (sqr x)))) (- (+ (* +nan.0 (/ 1 (* (sqrt +nan.0) x))) (- (* +nan.0 (/ 1 (* (pow (sqrt +nan.0) 3) (sqr x))))))))))))>
* [enter]simplify:  Simplifying (* 2 (atan (- (sqrt +nan.0) (+ (* +nan.0 (/ 1 (* (sqrt +nan.0) (sqr x)))) (- (+ (* +nan.0 (/ 1 (* (sqrt +nan.0) x))) (- (* +nan.0 (/ 1 (* (pow (sqrt +nan.0) 3) (sqr x)))))))))))
* * * * [misc]progress:  [ 13 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (sqr (log1p (expm1 (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))))))))>
* [enter]simplify:  Simplifying (expm1 (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (11 enodes)
* [exit]simplify:  Simplified to (expm1 (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))
* [exit]simplify:  Simplified to (expm1 (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))
* * * * [misc]progress:  [ 14 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (sqr (expm1 (log1p (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))))))))>
* [enter]simplify:  Simplifying (log1p (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (11 enodes)
* [exit]simplify:  Simplified to (log1p (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))
* [exit]simplify:  Simplified to (log1p (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))
* * * * [misc]progress:  [ 15 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (sqr (pow (/ (sqrt (- 1 x)) (sqrt (+ 1 x))) 1))))))>
* * * * [misc]progress:  [ 16 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (sqr (exp (- (log (sqrt (- 1 x))) (log (sqrt (+ 1 x))))))))))>
* [enter]simplify:  Simplifying (- (log (sqrt (- 1 x))) (log (sqrt (+ 1 x))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* [exit]simplify:  Simplified to (- (log (sqrt (- 1 x))) (log (sqrt (+ 1 x))))
* [exit]simplify:  Simplified to (- (log (sqrt (- 1 x))) (log (sqrt (+ 1 x))))
* * * * [misc]progress:  [ 17 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (sqr (exp (log (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))))))))>
* [enter]simplify:  Simplifying (log (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* [exit]simplify:  Simplified to (log (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))
* [exit]simplify:  Simplified to (log (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))
* * * * [misc]progress:  [ 18 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (sqr (log (exp (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))))))))>
* [enter]simplify:  Simplifying (exp (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (11 enodes)
* [exit]simplify:  Simplified to (exp (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))
* [exit]simplify:  Simplified to (exp (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))
* * * * [misc]progress:  [ 19 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (sqr (cbrt (/ (cube (sqrt (- 1 x))) (cube (sqrt (+ 1 x))))))))))>
* [enter]simplify:  Simplifying (/ (cube (sqrt (- 1 x))) (cube (sqrt (+ 1 x))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (23 enodes)
* * [misc]simplify:  iters left: 3 (33 enodes)
* * [misc]simplify:  iters left: 2 (67 enodes)
* * [misc]simplify:  iters left: 1 (111 enodes)
* [exit]simplify:  Simplified to (* (/ (- 1 x) (+ 1 x)) (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))
* [exit]simplify:  Simplified to (* (/ (- 1 x) (+ 1 x)) (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))
* * * * [misc]progress:  [ 20 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (sqr (cube (cbrt (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))))))))>
* [enter]simplify:  Simplifying (cbrt (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (11 enodes)
* [exit]simplify:  Simplified to (cbrt (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))
* [exit]simplify:  Simplified to (cbrt (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))
* * * * [misc]progress:  [ 21 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (sqr (cbrt (cube (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))))))))>
* [enter]simplify:  Simplifying (cube (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (26 enodes)
* * [misc]simplify:  iters left: 3 (32 enodes)
* * [misc]simplify:  iters left: 2 (51 enodes)
* * [misc]simplify:  iters left: 1 (83 enodes)
* [exit]simplify:  Simplified to (* (/ (- 1 x) (+ 1 x)) (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))
* [exit]simplify:  Simplified to (* (/ (- 1 x) (+ 1 x)) (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))
* * * * [misc]progress:  [ 22 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (sqr (cube (/ (cbrt (sqrt (- 1 x))) (cbrt (sqrt (+ 1 x))))))))))>
* [enter]simplify:  Simplifying (/ (cbrt (sqrt (- 1 x))) (cbrt (sqrt (+ 1 x))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* [exit]simplify:  Simplified to (/ (cbrt (sqrt (- 1 x))) (cbrt (sqrt (+ 1 x))))
* [exit]simplify:  Simplified to (/ (cbrt (sqrt (- 1 x))) (cbrt (sqrt (+ 1 x))))
* * * * [misc]progress:  [ 23 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (sqr (sqrt (/ (- 1 x) (+ 1 x))))))))>
* [enter]simplify:  Simplifying (/ (- 1 x) (+ 1 x))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (11 enodes)
* [exit]simplify:  Simplified to (/ (- 1 x) (+ 1 x))
* [exit]simplify:  Simplified to (/ (- 1 x) (+ 1 x))
* * * * [misc]progress:  [ 24 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (sqr (sqr (sqrt (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))))))))>
* [enter]simplify:  Simplifying (sqrt (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (11 enodes)
* [exit]simplify:  Simplified to (sqrt (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))
* [exit]simplify:  Simplified to (sqrt (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))
* * * * [misc]progress:  [ 25 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (sqr (sqr (/ (sqrt (sqrt (- 1 x))) (sqrt (sqrt (+ 1 x))))))))))>
* [enter]simplify:  Simplifying (/ (sqrt (sqrt (- 1 x))) (sqrt (sqrt (+ 1 x))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* [exit]simplify:  Simplified to (/ (sqrt (sqrt (- 1 x))) (sqrt (sqrt (+ 1 x))))
* [exit]simplify:  Simplified to (/ (sqrt (sqrt (- 1 x))) (sqrt (sqrt (+ 1 x))))
* * * * [misc]progress:  [ 26 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (sqr (/ (- (sqrt (- 1 x))) (- (sqrt (+ 1 x)))))))))>
* [enter]simplify:  Simplifying (- (sqrt (- 1 x)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (7 enodes)
* [exit]simplify:  Simplified to (- (sqrt (- 1 x)))
* [exit]simplify:  Simplified to (- (sqrt (- 1 x)))
* [enter]simplify:  Simplifying (- (sqrt (+ 1 x)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (8 enodes)
* [exit]simplify:  Simplified to (- (sqrt (+ 1 x)))
* [exit]simplify:  Simplified to (- (sqrt (+ 1 x)))
* * * * [misc]progress:  [ 27 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (sqr (* (/ (sqrt 1) (sqrt 1)) (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))))))))>
* [enter]simplify:  Simplifying (/ (sqrt 1) (sqrt 1))
* * [misc]simplify:  iters left: 3 (3 enodes)
* * [misc]simplify:  iters left: 2 (5 enodes)
* [exit]simplify:  Simplified to 1
* [exit]simplify:  Simplified to 1
* [enter]simplify:  Simplifying (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (10 enodes)
* [exit]simplify:  Simplified to (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))
* [exit]simplify:  Simplified to (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))
* * * * [misc]progress:  [ 28 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (sqr (* (/ (sqrt 1) 1) (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))))))))>
* [enter]simplify:  Simplifying (/ (sqrt 1) 1)
* * [misc]simplify:  iters left: 3 (3 enodes)
* * [misc]simplify:  iters left: 2 (5 enodes)
* [exit]simplify:  Simplified to (/ (sqrt 1) 1)
* [exit]simplify:  Simplified to (/ (sqrt 1) 1)
* [enter]simplify:  Simplifying (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (10 enodes)
* [exit]simplify:  Simplified to (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))
* [exit]simplify:  Simplified to (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))
* * * * [misc]progress:  [ 29 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (sqr (* (/ 1 (sqrt 1)) (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))))))))>
* [enter]simplify:  Simplifying (/ 1 (sqrt 1))
* * [misc]simplify:  iters left: 3 (3 enodes)
* * [misc]simplify:  iters left: 2 (5 enodes)
* [exit]simplify:  Simplified to (/ 1 (sqrt 1))
* [exit]simplify:  Simplified to (/ 1 (sqrt 1))
* [enter]simplify:  Simplifying (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (10 enodes)
* [exit]simplify:  Simplified to (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))
* [exit]simplify:  Simplified to (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))
* * * * [misc]progress:  [ 30 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (sqr (* (/ 1 1) (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))))))))>
* [enter]simplify:  Simplifying (/ 1 1)
* * [misc]simplify:  iters left: 2 (2 enodes)
* * [misc]simplify:  iters left: 1 (4 enodes)
* [exit]simplify:  Simplified to 1
* [exit]simplify:  Simplified to 1
* [enter]simplify:  Simplifying (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (10 enodes)
* [exit]simplify:  Simplified to (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))
* [exit]simplify:  Simplified to (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))
* * * * [misc]progress:  [ 31 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (sqr (* 1 (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))))))))>
* * * * [misc]progress:  [ 32 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (sqr (* (sqrt (- 1 x)) (/ 1 (sqrt (+ 1 x)))))))))>
* [enter]simplify:  Simplifying (/ 1 (sqrt (+ 1 x)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (8 enodes)
* [exit]simplify:  Simplified to (/ 1 (sqrt (+ 1 x)))
* [exit]simplify:  Simplified to (/ 1 (sqrt (+ 1 x)))
* * * * [misc]progress:  [ 33 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (sqr (/ 1 (/ (sqrt (+ 1 x)) (sqrt (- 1 x)))))))))>
* [enter]simplify:  Simplifying (/ (sqrt (+ 1 x)) (sqrt (- 1 x)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (10 enodes)
* [exit]simplify:  Simplified to (/ (sqrt (+ 1 x)) (sqrt (- 1 x)))
* [exit]simplify:  Simplified to (/ (sqrt (+ 1 x)) (sqrt (- 1 x)))
* * * * [misc]progress:  [ 34 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (sqr (/ (/ (sqrt (- 1 x)) (sqrt 1)) (sqrt (+ 1 x))))))))>
* [enter]simplify:  Simplifying (/ (sqrt (- 1 x)) (sqrt 1))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (8 enodes)
* [exit]simplify:  Simplified to (/ (sqrt (- 1 x)) (sqrt 1))
* [exit]simplify:  Simplified to (/ (sqrt (- 1 x)) (sqrt 1))
* * * * [misc]progress:  [ 35 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (sqr (/ (/ (sqrt (- 1 x)) 1) (sqrt (+ 1 x))))))))>
* [enter]simplify:  Simplifying (/ (sqrt (- 1 x)) 1)
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (7 enodes)
* [exit]simplify:  Simplified to (/ (sqrt (- 1 x)) 1)
* [exit]simplify:  Simplified to (/ (sqrt (- 1 x)) 1)
* * * * [misc]progress:  [ 36 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (sqr (/ (sqrt 1) (/ (sqrt (+ 1 x)) (sqrt (- 1 x)))))))))>
* [enter]simplify:  Simplifying (/ (sqrt (+ 1 x)) (sqrt (- 1 x)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (10 enodes)
* [exit]simplify:  Simplified to (/ (sqrt (+ 1 x)) (sqrt (- 1 x)))
* [exit]simplify:  Simplified to (/ (sqrt (+ 1 x)) (sqrt (- 1 x)))
* * * * [misc]progress:  [ 37 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (sqr (/ 1 (/ (sqrt (+ 1 x)) (sqrt (- 1 x)))))))))>
* [enter]simplify:  Simplifying (/ (sqrt (+ 1 x)) (sqrt (- 1 x)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (10 enodes)
* [exit]simplify:  Simplified to (/ (sqrt (+ 1 x)) (sqrt (- 1 x)))
* [exit]simplify:  Simplified to (/ (sqrt (+ 1 x)) (sqrt (- 1 x)))
* * * * [misc]progress:  [ 38 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (sqr (* (/ (sqrt (- 1 x)) (sqrt (- (pow 1 3) (pow x 3)))) (sqrt (+ (sqr 1) (- (sqr x) (* 1 x))))))))))>
* [enter]simplify:  Simplifying (/ (sqrt (- 1 x)) (sqrt (- (pow 1 3) (pow x 3))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (18 enodes)
* * [misc]simplify:  iters left: 3 (21 enodes)
* [exit]simplify:  Simplified to (/ (sqrt (- 1 x)) (sqrt (- 1 (cube x))))
* [exit]simplify:  Simplified to (/ (sqrt (- 1 x)) (sqrt (- 1 (cube x))))
* * * * [misc]progress:  [ 39 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (sqr (* (/ (sqrt (- 1 x)) (sqrt (- (sqr 1) (sqr x)))) (sqrt (- 1 x))))))))>
* [enter]simplify:  Simplifying (/ (sqrt (- 1 x)) (sqrt (- (sqr 1) (sqr x))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (17 enodes)
* * [misc]simplify:  iters left: 3 (25 enodes)
* * [misc]simplify:  iters left: 2 (39 enodes)
* * [misc]simplify:  iters left: 1 (48 enodes)
* [exit]simplify:  Simplified to (/ (sqrt (- 1 x)) (sqrt (- 1 (* x x))))
* [exit]simplify:  Simplified to (/ (sqrt (- 1 x)) (sqrt (- 1 (* x x))))
* * * * [misc]progress:  [ 40 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (sqr (/ (sqrt (- (pow 1 3) (pow x 3))) (* (sqrt (+ 1 x)) (sqrt (+ (sqr 1) (+ (sqr x) (* 1 x)))))))))))>
* [enter]simplify:  Simplifying (* (sqrt (+ 1 x)) (sqrt (+ (sqr 1) (+ (sqr x) (* 1 x)))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (20 enodes)
* * [misc]simplify:  iters left: 4 (26 enodes)
* * [misc]simplify:  iters left: 3 (36 enodes)
* * [misc]simplify:  iters left: 2 (43 enodes)
* * [misc]simplify:  iters left: 1 (47 enodes)
* [exit]simplify:  Simplified to (* (sqrt (fma x x (+ 1 x))) (sqrt (+ 1 x)))
* [exit]simplify:  Simplified to (* (sqrt (fma x x (+ 1 x))) (sqrt (+ 1 x)))
* * * * [misc]progress:  [ 41 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (sqr (/ (sqrt (- (sqr 1) (sqr x))) (* (sqrt (+ 1 x)) (sqrt (+ 1 x)))))))))>
* [enter]simplify:  Simplifying (* (sqrt (+ 1 x)) (sqrt (+ 1 x)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* [exit]simplify:  Simplified to (+ 1 x)
* [exit]simplify:  Simplified to (+ 1 x)
* * * * [misc]progress:  [ 42 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (log1p (expm1 (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))))))))>
* [enter]simplify:  Simplifying (expm1 (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (28 enodes)
* * [misc]simplify:  iters left: 2 (40 enodes)
* * [misc]simplify:  iters left: 1 (47 enodes)
* [exit]simplify:  Simplified to (expm1 (/ (- 1 x) (+ 1 x)))
* [exit]simplify:  Simplified to (expm1 (/ (- 1 x) (+ 1 x)))
* * * * [misc]progress:  [ 43 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (expm1 (log1p (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))))))))>
* [enter]simplify:  Simplifying (log1p (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (28 enodes)
* * [misc]simplify:  iters left: 2 (40 enodes)
* * [misc]simplify:  iters left: 1 (47 enodes)
* [exit]simplify:  Simplified to (log1p (/ (- 1 x) (+ 1 x)))
* [exit]simplify:  Simplified to (log1p (/ (- 1 x) (+ 1 x)))
* * * * [misc]progress:  [ 44 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (pow (/ (sqrt (- 1 x)) (sqrt (+ 1 x))) 2)))))>
* * * * [misc]progress:  [ 45 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (pow (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))) 1)))))>
* * * * [misc]progress:  [ 46 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (exp (log (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))))))))>
* [enter]simplify:  Simplifying (log (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (27 enodes)
* * [misc]simplify:  iters left: 3 (39 enodes)
* * [misc]simplify:  iters left: 2 (57 enodes)
* * [misc]simplify:  iters left: 1 (74 enodes)
* [exit]simplify:  Simplified to (log (/ (- 1 x) (+ 1 x)))
* [exit]simplify:  Simplified to (log (/ (- 1 x) (+ 1 x)))
* * * * [misc]progress:  [ 47 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (log (exp (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))))))))>
* [enter]simplify:  Simplifying (exp (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (24 enodes)
* * [misc]simplify:  iters left: 3 (30 enodes)
* * [misc]simplify:  iters left: 2 (45 enodes)
* * [misc]simplify:  iters left: 1 (48 enodes)
* [exit]simplify:  Simplified to (exp (/ (- 1 x) (+ 1 x)))
* [exit]simplify:  Simplified to (exp (/ (- 1 x) (+ 1 x)))
* * * * [misc]progress:  [ 48 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (cube (cbrt (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))))))))>
* [enter]simplify:  Simplifying (cbrt (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (28 enodes)
* * [misc]simplify:  iters left: 2 (40 enodes)
* * [misc]simplify:  iters left: 1 (47 enodes)
* [exit]simplify:  Simplified to (cbrt (/ (- 1 x) (+ 1 x)))
* [exit]simplify:  Simplified to (cbrt (/ (- 1 x) (+ 1 x)))
* * * * [misc]progress:  [ 49 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (cbrt (cube (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))))))))>
* [enter]simplify:  Simplifying (cube (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (33 enodes)
* * [misc]simplify:  iters left: 3 (69 enodes)
* * [misc]simplify:  iters left: 2 (125 enodes)
* * [misc]simplify:  iters left: 1 (195 enodes)
* [exit]simplify:  Simplified to (cube (/ (- 1 x) (+ 1 x)))
* [exit]simplify:  Simplified to (cube (/ (- 1 x) (+ 1 x)))
* * * * [misc]progress:  [ 50 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (sqr (sqrt (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))))))))>
* [enter]simplify:  Simplifying (sqrt (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (17 enodes)
* * [misc]simplify:  iters left: 4 (23 enodes)
* * [misc]simplify:  iters left: 3 (29 enodes)
* * [misc]simplify:  iters left: 2 (41 enodes)
* * [misc]simplify:  iters left: 1 (44 enodes)
* [exit]simplify:  Simplified to (sqrt (/ (- 1 x) (+ 1 x)))
* [exit]simplify:  Simplified to (sqrt (/ (- 1 x) (+ 1 x)))
* * * * [misc]progress:  [ 51 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (* (sqr (/ (sqrt 1) (sqrt 1))) (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))))))))>
* [enter]simplify:  Simplifying (sqr (/ (sqrt 1) (sqrt 1)))
* * [misc]simplify:  iters left: 4 (4 enodes)
* * [misc]simplify:  iters left: 3 (9 enodes)
* * [misc]simplify:  iters left: 2 (11 enodes)
* [exit]simplify:  Simplified to 1
* [exit]simplify:  Simplified to 1
* [enter]simplify:  Simplifying (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (21 enodes)
* * [misc]simplify:  iters left: 3 (33 enodes)
* * [misc]simplify:  iters left: 2 (44 enodes)
* * [misc]simplify:  iters left: 1 (46 enodes)
* [exit]simplify:  Simplified to (/ (- 1 x) (+ 1 x))
* [exit]simplify:  Simplified to (/ (- 1 x) (+ 1 x))
* * * * [misc]progress:  [ 52 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (* (sqr (/ (sqrt 1) 1)) (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))))))))>
* [enter]simplify:  Simplifying (sqr (/ (sqrt 1) 1))
* * [misc]simplify:  iters left: 4 (4 enodes)
* * [misc]simplify:  iters left: 3 (10 enodes)
* * [misc]simplify:  iters left: 2 (16 enodes)
* [exit]simplify:  Simplified to (/ 1 1)
* [exit]simplify:  Simplified to (/ 1 1)
* [enter]simplify:  Simplifying (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (21 enodes)
* * [misc]simplify:  iters left: 3 (33 enodes)
* * [misc]simplify:  iters left: 2 (44 enodes)
* * [misc]simplify:  iters left: 1 (46 enodes)
* [exit]simplify:  Simplified to (/ (- 1 x) (+ 1 x))
* [exit]simplify:  Simplified to (/ (- 1 x) (+ 1 x))
* * * * [misc]progress:  [ 53 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (* (sqr (/ 1 (sqrt 1))) (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))))))))>
* [enter]simplify:  Simplifying (sqr (/ 1 (sqrt 1)))
* * [misc]simplify:  iters left: 4 (4 enodes)
* * [misc]simplify:  iters left: 3 (10 enodes)
* * [misc]simplify:  iters left: 2 (16 enodes)
* [exit]simplify:  Simplified to (/ 1 1)
* [exit]simplify:  Simplified to (/ 1 1)
* [enter]simplify:  Simplifying (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (21 enodes)
* * [misc]simplify:  iters left: 3 (33 enodes)
* * [misc]simplify:  iters left: 2 (44 enodes)
* * [misc]simplify:  iters left: 1 (46 enodes)
* [exit]simplify:  Simplified to (/ (- 1 x) (+ 1 x))
* [exit]simplify:  Simplified to (/ (- 1 x) (+ 1 x))
* * * * [misc]progress:  [ 54 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (* (sqr (/ 1 1)) (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))))))))>
* [enter]simplify:  Simplifying (sqr (/ 1 1))
* * [misc]simplify:  iters left: 3 (3 enodes)
* * [misc]simplify:  iters left: 2 (8 enodes)
* * [misc]simplify:  iters left: 1 (10 enodes)
* [exit]simplify:  Simplified to 1
* [exit]simplify:  Simplified to 1
* [enter]simplify:  Simplifying (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (21 enodes)
* * [misc]simplify:  iters left: 3 (33 enodes)
* * [misc]simplify:  iters left: 2 (44 enodes)
* * [misc]simplify:  iters left: 1 (46 enodes)
* [exit]simplify:  Simplified to (/ (- 1 x) (+ 1 x))
* [exit]simplify:  Simplified to (/ (- 1 x) (+ 1 x))
* * * * [misc]progress:  [ 55 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (* (sqr 1) (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))))))))>
* [enter]simplify:  Simplifying (sqr 1)
* * [misc]simplify:  iters left: 1 (2 enodes)
* [exit]simplify:  Simplified to (sqr 1)
* [exit]simplify:  Simplified to (sqr 1)
* [enter]simplify:  Simplifying (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (21 enodes)
* * [misc]simplify:  iters left: 3 (33 enodes)
* * [misc]simplify:  iters left: 2 (44 enodes)
* * [misc]simplify:  iters left: 1 (46 enodes)
* [exit]simplify:  Simplified to (/ (- 1 x) (+ 1 x))
* [exit]simplify:  Simplified to (/ (- 1 x) (+ 1 x))
* * * * [misc]progress:  [ 56 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (* (sqr (sqrt (- 1 x))) (sqr (/ 1 (sqrt (+ 1 x)))))))))>
* [enter]simplify:  Simplifying (sqr (sqrt (- 1 x)))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (8 enodes)
* * [misc]simplify:  iters left: 2 (9 enodes)
* [exit]simplify:  Simplified to (- 1 x)
* [exit]simplify:  Simplified to (- 1 x)
* [enter]simplify:  Simplifying (sqr (/ 1 (sqrt (+ 1 x))))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (19 enodes)
* * [misc]simplify:  iters left: 3 (20 enodes)
* * [misc]simplify:  iters left: 2 (26 enodes)
* * [misc]simplify:  iters left: 1 (30 enodes)
* [exit]simplify:  Simplified to (/ 1 (+ 1 x))
* [exit]simplify:  Simplified to (/ 1 (+ 1 x))
* * * * [misc]progress:  [ 57 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (* (sqr (/ (sqrt (- 1 x)) (sqrt (- (pow 1 3) (pow x 3))))) (sqr (sqrt (+ (sqr 1) (- (sqr x) (* 1 x))))))))))>
* [enter]simplify:  Simplifying (sqr (/ (sqrt (- 1 x)) (sqrt (- (pow 1 3) (pow x 3)))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* * [misc]simplify:  iters left: 4 (29 enodes)
* * [misc]simplify:  iters left: 3 (38 enodes)
* * [misc]simplify:  iters left: 2 (50 enodes)
* * [misc]simplify:  iters left: 1 (56 enodes)
* [exit]simplify:  Simplified to (/ (- 1 x) (- 1 (cube x)))
* [exit]simplify:  Simplified to (/ (- 1 x) (- 1 (cube x)))
* [enter]simplify:  Simplifying (sqr (sqrt (+ (sqr 1) (- (sqr x) (* 1 x)))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (17 enodes)
* * [misc]simplify:  iters left: 4 (25 enodes)
* * [misc]simplify:  iters left: 3 (30 enodes)
* * [misc]simplify:  iters left: 2 (35 enodes)
* * [misc]simplify:  iters left: 1 (40 enodes)
* [exit]simplify:  Simplified to (fma x x (- 1 x))
* [exit]simplify:  Simplified to (fma x x (- 1 x))
* * * * [misc]progress:  [ 58 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (* (sqr (/ (sqrt (- 1 x)) (sqrt (- (sqr 1) (sqr x))))) (sqr (sqrt (- 1 x))))))))>
* [enter]simplify:  Simplifying (sqr (/ (sqrt (- 1 x)) (sqrt (- (sqr 1) (sqr x)))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (20 enodes)
* * [misc]simplify:  iters left: 4 (27 enodes)
* * [misc]simplify:  iters left: 3 (35 enodes)
* * [misc]simplify:  iters left: 2 (68 enodes)
* * [misc]simplify:  iters left: 1 (106 enodes)
* [exit]simplify:  Simplified to (/ 1 (+ 1 x))
* [exit]simplify:  Simplified to (/ 1 (+ 1 x))
* [enter]simplify:  Simplifying (sqr (sqrt (- 1 x)))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (8 enodes)
* * [misc]simplify:  iters left: 2 (9 enodes)
* [exit]simplify:  Simplified to (- 1 x)
* [exit]simplify:  Simplified to (- 1 x)
* * * * [misc]progress:  [ 59 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (/ (sqr (sqrt (- 1 x))) (sqr (sqrt (+ 1 x))))))))>
* [enter]simplify:  Simplifying (sqr (sqrt (- 1 x)))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (8 enodes)
* * [misc]simplify:  iters left: 2 (9 enodes)
* [exit]simplify:  Simplified to (- 1 x)
* [exit]simplify:  Simplified to (- 1 x)
* [enter]simplify:  Simplifying (sqr (sqrt (+ 1 x)))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (9 enodes)
* * [misc]simplify:  iters left: 2 (10 enodes)
* [exit]simplify:  Simplified to (+ 1 x)
* [exit]simplify:  Simplified to (+ 1 x)
* * * * [misc]progress:  [ 60 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (* (/ (sqrt (- 1 x)) (sqrt (+ 1 x))) (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))))))>
* * * * [misc]progress:  [ 61 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (* 1 (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))))))))>
* * * * [misc]progress:  [ 62 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (sqr (/ (log1p (expm1 (sqrt (- 1 x)))) (sqrt (+ 1 x))))))))>
* [enter]simplify:  Simplifying (expm1 (sqrt (- 1 x)))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (7 enodes)
* [exit]simplify:  Simplified to (expm1 (sqrt (- 1 x)))
* [exit]simplify:  Simplified to (expm1 (sqrt (- 1 x)))
* * * * [misc]progress:  [ 63 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (sqr (/ (expm1 (log1p (sqrt (- 1 x)))) (sqrt (+ 1 x))))))))>
* [enter]simplify:  Simplifying (log1p (sqrt (- 1 x)))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (7 enodes)
* [exit]simplify:  Simplified to (log1p (sqrt (- 1 x)))
* [exit]simplify:  Simplified to (log1p (sqrt (- 1 x)))
* * * * [misc]progress:  [ 64 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (sqr (/ (pow (- 1 x) 1/2) (sqrt (+ 1 x))))))))>
* * * * [misc]progress:  [ 65 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (sqr (/ (pow (sqrt (- 1 x)) 1) (sqrt (+ 1 x))))))))>
* * * * [misc]progress:  [ 66 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (sqr (/ (exp (log (sqrt (- 1 x)))) (sqrt (+ 1 x))))))))>
* [enter]simplify:  Simplifying (log (sqrt (- 1 x)))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (7 enodes)
* [exit]simplify:  Simplified to (log (sqrt (- 1 x)))
* [exit]simplify:  Simplified to (log (sqrt (- 1 x)))
* * * * [misc]progress:  [ 67 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (sqr (/ (log (exp (sqrt (- 1 x)))) (sqrt (+ 1 x))))))))>
* [enter]simplify:  Simplifying (exp (sqrt (- 1 x)))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (7 enodes)
* [exit]simplify:  Simplified to (exp (sqrt (- 1 x)))
* [exit]simplify:  Simplified to (exp (sqrt (- 1 x)))
* * * * [misc]progress:  [ 68 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (sqr (/ (cube (cbrt (sqrt (- 1 x)))) (sqrt (+ 1 x))))))))>
* [enter]simplify:  Simplifying (cbrt (sqrt (- 1 x)))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (7 enodes)
* [exit]simplify:  Simplified to (cbrt (sqrt (- 1 x)))
* [exit]simplify:  Simplified to (cbrt (sqrt (- 1 x)))
* * * * [misc]progress:  [ 69 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (sqr (/ (cbrt (cube (sqrt (- 1 x)))) (sqrt (+ 1 x))))))))>
* [enter]simplify:  Simplifying (cube (sqrt (- 1 x)))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (9 enodes)
* * [misc]simplify:  iters left: 2 (11 enodes)
* [exit]simplify:  Simplified to (* (sqrt (- 1 x)) (- 1 x))
* [exit]simplify:  Simplified to (* (sqrt (- 1 x)) (- 1 x))
* * * * [misc]progress:  [ 70 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (sqr (/ (* (sqrt 1) (sqrt (- 1 x))) (sqrt (+ 1 x))))))))>
* [enter]simplify:  Simplifying (sqrt 1)
* * [misc]simplify:  iters left: 1 (2 enodes)
* [exit]simplify:  Simplified to (sqrt 1)
* [exit]simplify:  Simplified to (sqrt 1)
* [enter]simplify:  Simplifying (sqrt (- 1 x))
* * [misc]simplify:  iters left: 3 (4 enodes)
* * [misc]simplify:  iters left: 2 (6 enodes)
* [exit]simplify:  Simplified to (sqrt (- 1 x))
* [exit]simplify:  Simplified to (sqrt (- 1 x))
* * * * [misc]progress:  [ 71 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (sqr (/ (/ (sqrt (- (pow 1 3) (pow x 3))) (sqrt (+ (sqr 1) (+ (sqr x) (* 1 x))))) (sqrt (+ 1 x))))))))>
* [enter]simplify:  Simplifying (sqrt (- (pow 1 3) (pow x 3)))
* * [misc]simplify:  iters left: 4 (7 enodes)
* * [misc]simplify:  iters left: 3 (11 enodes)
* * [misc]simplify:  iters left: 2 (15 enodes)
* * [misc]simplify:  iters left: 1 (18 enodes)
* [exit]simplify:  Simplified to (sqrt (- 1 (cube x)))
* [exit]simplify:  Simplified to (sqrt (- 1 (cube x)))
* [enter]simplify:  Simplifying (sqrt (+ (sqr 1) (+ (sqr x) (* 1 x))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (31 enodes)
* * [misc]simplify:  iters left: 2 (38 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (sqrt (fma (+ 1 x) x 1))
* [exit]simplify:  Simplified to (sqrt (fma (+ 1 x) x 1))
* * * * [misc]progress:  [ 72 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (sqr (/ (/ (sqrt (- (sqr 1) (sqr x))) (sqrt (+ 1 x))) (sqrt (+ 1 x))))))))>
* [enter]simplify:  Simplifying (sqrt (- (sqr 1) (sqr x)))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (15 enodes)
* * [misc]simplify:  iters left: 1 (23 enodes)
* [exit]simplify:  Simplified to (sqrt (- 1 (* x x)))
* [exit]simplify:  Simplified to (sqrt (- 1 (* x x)))
* [enter]simplify:  Simplifying (sqrt (+ 1 x))
* * [misc]simplify:  iters left: 3 (4 enodes)
* * [misc]simplify:  iters left: 2 (7 enodes)
* [exit]simplify:  Simplified to (sqrt (+ 1 x))
* [exit]simplify:  Simplified to (sqrt (+ 1 x))
* * * * [misc]progress:  [ 73 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (sqr (/ (sqr (sqrt (sqrt (- 1 x)))) (sqrt (+ 1 x))))))))>
* [enter]simplify:  Simplifying (sqrt (sqrt (- 1 x)))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (7 enodes)
* [exit]simplify:  Simplified to (sqrt (sqrt (- 1 x)))
* [exit]simplify:  Simplified to (sqrt (sqrt (- 1 x)))
* * * * [misc]progress:  [ 74 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (sqr (/ (fabs (sqrt (- 1 x))) (sqrt (+ 1 x))))))))>
* * * * [misc]progress:  [ 75 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (sqr (/ (* 1 (sqrt (- 1 x))) (sqrt (+ 1 x))))))))>
* * * * [misc]progress:  [ 76 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (log1p (expm1 (sqrt (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))))))))>
* [enter]simplify:  Simplifying (expm1 (sqrt (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (24 enodes)
* * [misc]simplify:  iters left: 3 (30 enodes)
* * [misc]simplify:  iters left: 2 (42 enodes)
* * [misc]simplify:  iters left: 1 (45 enodes)
* [exit]simplify:  Simplified to (expm1 (sqrt (/ (- 1 x) (+ 1 x))))
* [exit]simplify:  Simplified to (expm1 (sqrt (/ (- 1 x) (+ 1 x))))
* * * * [misc]progress:  [ 77 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (expm1 (log1p (sqrt (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))))))))>
* [enter]simplify:  Simplifying (log1p (sqrt (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (24 enodes)
* * [misc]simplify:  iters left: 3 (30 enodes)
* * [misc]simplify:  iters left: 2 (42 enodes)
* * [misc]simplify:  iters left: 1 (45 enodes)
* [exit]simplify:  Simplified to (log1p (sqrt (/ (- 1 x) (+ 1 x))))
* [exit]simplify:  Simplified to (log1p (sqrt (/ (- 1 x) (+ 1 x))))
* * * * [misc]progress:  [ 78 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (pow (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))) 1/2))))>
* * * * [misc]progress:  [ 79 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (pow (sqrt (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))) 1))))>
* * * * [misc]progress:  [ 80 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (exp (log (sqrt (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))))))))>
* [enter]simplify:  Simplifying (log (sqrt (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (24 enodes)
* * [misc]simplify:  iters left: 3 (30 enodes)
* * [misc]simplify:  iters left: 2 (42 enodes)
* * [misc]simplify:  iters left: 1 (45 enodes)
* [exit]simplify:  Simplified to (log (sqrt (/ (- 1 x) (+ 1 x))))
* [exit]simplify:  Simplified to (log (sqrt (/ (- 1 x) (+ 1 x))))
* * * * [misc]progress:  [ 81 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (log (exp (sqrt (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))))))))>
* [enter]simplify:  Simplifying (exp (sqrt (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (24 enodes)
* * [misc]simplify:  iters left: 3 (30 enodes)
* * [misc]simplify:  iters left: 2 (42 enodes)
* * [misc]simplify:  iters left: 1 (45 enodes)
* [exit]simplify:  Simplified to (exp (sqrt (/ (- 1 x) (+ 1 x))))
* [exit]simplify:  Simplified to (exp (sqrt (/ (- 1 x) (+ 1 x))))
* * * * [misc]progress:  [ 82 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (cube (cbrt (sqrt (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))))))))>
* [enter]simplify:  Simplifying (cbrt (sqrt (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (24 enodes)
* * [misc]simplify:  iters left: 3 (30 enodes)
* * [misc]simplify:  iters left: 2 (42 enodes)
* * [misc]simplify:  iters left: 1 (45 enodes)
* [exit]simplify:  Simplified to (cbrt (sqrt (/ (- 1 x) (+ 1 x))))
* [exit]simplify:  Simplified to (cbrt (sqrt (/ (- 1 x) (+ 1 x))))
* * * * [misc]progress:  [ 83 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (cbrt (cube (sqrt (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))))))))>
* [enter]simplify:  Simplifying (cube (sqrt (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (20 enodes)
* * [misc]simplify:  iters left: 4 (28 enodes)
* * [misc]simplify:  iters left: 3 (34 enodes)
* * [misc]simplify:  iters left: 2 (52 enodes)
* * [misc]simplify:  iters left: 1 (70 enodes)
* [exit]simplify:  Simplified to (* (/ (- 1 x) (+ 1 x)) (sqrt (/ (- 1 x) (+ 1 x))))
* [exit]simplify:  Simplified to (* (/ (- 1 x) (+ 1 x)) (sqrt (/ (- 1 x) (+ 1 x))))
* * * * [misc]progress:  [ 84 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (* (sqrt (sqr (/ (sqrt 1) (sqrt 1)))) (sqrt (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))))))))>
* [enter]simplify:  Simplifying (sqrt (sqr (/ (sqrt 1) (sqrt 1))))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* [exit]simplify:  Simplified to (sqrt 1)
* [exit]simplify:  Simplified to (sqrt 1)
* [enter]simplify:  Simplifying (sqrt (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (17 enodes)
* * [misc]simplify:  iters left: 4 (23 enodes)
* * [misc]simplify:  iters left: 3 (29 enodes)
* * [misc]simplify:  iters left: 2 (41 enodes)
* * [misc]simplify:  iters left: 1 (44 enodes)
* [exit]simplify:  Simplified to (sqrt (/ (- 1 x) (+ 1 x)))
* [exit]simplify:  Simplified to (sqrt (/ (- 1 x) (+ 1 x)))
* * * * [misc]progress:  [ 85 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (* (sqrt (sqr (/ (sqrt 1) 1))) (sqrt (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))))))))>
* [enter]simplify:  Simplifying (sqrt (sqr (/ (sqrt 1) 1)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* * [misc]simplify:  iters left: 3 (18 enodes)
* [exit]simplify:  Simplified to (sqrt (/ 1 1))
* [exit]simplify:  Simplified to (sqrt (/ 1 1))
* [enter]simplify:  Simplifying (sqrt (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (17 enodes)
* * [misc]simplify:  iters left: 4 (23 enodes)
* * [misc]simplify:  iters left: 3 (29 enodes)
* * [misc]simplify:  iters left: 2 (41 enodes)
* * [misc]simplify:  iters left: 1 (44 enodes)
* [exit]simplify:  Simplified to (sqrt (/ (- 1 x) (+ 1 x)))
* [exit]simplify:  Simplified to (sqrt (/ (- 1 x) (+ 1 x)))
* * * * [misc]progress:  [ 86 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (* (sqrt (sqr (/ 1 (sqrt 1)))) (sqrt (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))))))))>
* [enter]simplify:  Simplifying (sqrt (sqr (/ 1 (sqrt 1))))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* * [misc]simplify:  iters left: 3 (18 enodes)
* [exit]simplify:  Simplified to (sqrt (/ 1 1))
* [exit]simplify:  Simplified to (sqrt (/ 1 1))
* [enter]simplify:  Simplifying (sqrt (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (17 enodes)
* * [misc]simplify:  iters left: 4 (23 enodes)
* * [misc]simplify:  iters left: 3 (29 enodes)
* * [misc]simplify:  iters left: 2 (41 enodes)
* * [misc]simplify:  iters left: 1 (44 enodes)
* [exit]simplify:  Simplified to (sqrt (/ (- 1 x) (+ 1 x)))
* [exit]simplify:  Simplified to (sqrt (/ (- 1 x) (+ 1 x)))
* * * * [misc]progress:  [ 87 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (* (sqrt (sqr (/ 1 1))) (sqrt (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))))))))>
* [enter]simplify:  Simplifying (sqrt (sqr (/ 1 1)))
* * [misc]simplify:  iters left: 4 (4 enodes)
* * [misc]simplify:  iters left: 3 (10 enodes)
* * [misc]simplify:  iters left: 2 (12 enodes)
* [exit]simplify:  Simplified to (fabs 1)
* [exit]simplify:  Simplified to (fabs 1)
* [enter]simplify:  Simplifying (sqrt (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (17 enodes)
* * [misc]simplify:  iters left: 4 (23 enodes)
* * [misc]simplify:  iters left: 3 (29 enodes)
* * [misc]simplify:  iters left: 2 (41 enodes)
* * [misc]simplify:  iters left: 1 (44 enodes)
* [exit]simplify:  Simplified to (sqrt (/ (- 1 x) (+ 1 x)))
* [exit]simplify:  Simplified to (sqrt (/ (- 1 x) (+ 1 x)))
* * * * [misc]progress:  [ 88 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (* (sqrt (sqr 1)) (sqrt (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))))))))>
* [enter]simplify:  Simplifying (sqrt (sqr 1))
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (7 enodes)
* [exit]simplify:  Simplified to (fabs 1)
* [exit]simplify:  Simplified to (fabs 1)
* [enter]simplify:  Simplifying (sqrt (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (17 enodes)
* * [misc]simplify:  iters left: 4 (23 enodes)
* * [misc]simplify:  iters left: 3 (29 enodes)
* * [misc]simplify:  iters left: 2 (41 enodes)
* * [misc]simplify:  iters left: 1 (44 enodes)
* [exit]simplify:  Simplified to (sqrt (/ (- 1 x) (+ 1 x)))
* [exit]simplify:  Simplified to (sqrt (/ (- 1 x) (+ 1 x)))
* * * * [misc]progress:  [ 89 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (* (sqrt (sqr (sqrt (- 1 x)))) (sqrt (sqr (/ 1 (sqrt (+ 1 x)))))))))>
* [enter]simplify:  Simplifying (sqrt (sqr (sqrt (- 1 x))))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* * [misc]simplify:  iters left: 3 (11 enodes)
* * [misc]simplify:  iters left: 2 (12 enodes)
* * [misc]simplify:  iters left: 1 (13 enodes)
* [exit]simplify:  Simplified to (sqrt (- 1 x))
* [exit]simplify:  Simplified to (sqrt (- 1 x))
* [enter]simplify:  Simplifying (sqrt (sqr (/ 1 (sqrt (+ 1 x)))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (21 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (28 enodes)
* * [misc]simplify:  iters left: 1 (32 enodes)
* [exit]simplify:  Simplified to (sqrt (/ 1 (+ 1 x)))
* [exit]simplify:  Simplified to (sqrt (/ 1 (+ 1 x)))
* * * * [misc]progress:  [ 90 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (* (sqrt (sqr (/ (sqrt (- 1 x)) (sqrt (- (pow 1 3) (pow x 3)))))) (sqrt (sqr (sqrt (+ (sqr 1) (- (sqr x) (* 1 x))))))))))>
* [enter]simplify:  Simplifying (sqrt (sqr (/ (sqrt (- 1 x)) (sqrt (- (pow 1 3) (pow x 3))))))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (21 enodes)
* * [misc]simplify:  iters left: 4 (31 enodes)
* * [misc]simplify:  iters left: 3 (40 enodes)
* * [misc]simplify:  iters left: 2 (52 enodes)
* * [misc]simplify:  iters left: 1 (62 enodes)
* [exit]simplify:  Simplified to (sqrt (/ (- 1 x) (- 1 (cube x))))
* [exit]simplify:  Simplified to (sqrt (/ (- 1 x) (- 1 (cube x))))
* [enter]simplify:  Simplifying (sqrt (sqr (sqrt (+ (sqr 1) (- (sqr x) (* 1 x))))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (27 enodes)
* * [misc]simplify:  iters left: 3 (32 enodes)
* * [misc]simplify:  iters left: 2 (38 enodes)
* * [misc]simplify:  iters left: 1 (43 enodes)
* [exit]simplify:  Simplified to (sqrt (fma x x (- 1 x)))
* [exit]simplify:  Simplified to (sqrt (fma x x (- 1 x)))
* * * * [misc]progress:  [ 91 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (* (sqrt (sqr (/ (sqrt (- 1 x)) (sqrt (- (sqr 1) (sqr x)))))) (sqrt (sqr (sqrt (- 1 x))))))))>
* [enter]simplify:  Simplifying (sqrt (sqr (/ (sqrt (- 1 x)) (sqrt (- (sqr 1) (sqr x))))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (22 enodes)
* * [misc]simplify:  iters left: 4 (29 enodes)
* * [misc]simplify:  iters left: 3 (37 enodes)
* * [misc]simplify:  iters left: 2 (70 enodes)
* * [misc]simplify:  iters left: 1 (111 enodes)
* [exit]simplify:  Simplified to (sqrt (/ 1 (+ 1 x)))
* [exit]simplify:  Simplified to (sqrt (/ 1 (+ 1 x)))
* [enter]simplify:  Simplifying (sqrt (sqr (sqrt (- 1 x))))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* * [misc]simplify:  iters left: 3 (11 enodes)
* * [misc]simplify:  iters left: 2 (12 enodes)
* * [misc]simplify:  iters left: 1 (13 enodes)
* [exit]simplify:  Simplified to (sqrt (- 1 x))
* [exit]simplify:  Simplified to (sqrt (- 1 x))
* * * * [misc]progress:  [ 92 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (* (sqrt (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))) (sqrt (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))))))>
* [enter]simplify:  Simplifying (sqrt (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (11 enodes)
* [exit]simplify:  Simplified to (sqrt (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))
* [exit]simplify:  Simplified to (sqrt (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))
* [enter]simplify:  Simplifying (sqrt (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (11 enodes)
* [exit]simplify:  Simplified to (sqrt (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))
* [exit]simplify:  Simplified to (sqrt (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))
* * * * [misc]progress:  [ 93 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (* (sqrt 1) (sqrt (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))))))))>
* [enter]simplify:  Simplifying (sqrt 1)
* * [misc]simplify:  iters left: 1 (2 enodes)
* [exit]simplify:  Simplified to (sqrt 1)
* [exit]simplify:  Simplified to (sqrt 1)
* [enter]simplify:  Simplifying (sqrt (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (17 enodes)
* * [misc]simplify:  iters left: 4 (23 enodes)
* * [misc]simplify:  iters left: 3 (29 enodes)
* * [misc]simplify:  iters left: 2 (41 enodes)
* * [misc]simplify:  iters left: 1 (44 enodes)
* [exit]simplify:  Simplified to (sqrt (/ (- 1 x) (+ 1 x)))
* [exit]simplify:  Simplified to (sqrt (/ (- 1 x) (+ 1 x)))
* * * * [misc]progress:  [ 94 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (/ (sqrt (sqr (sqrt (- 1 x)))) (sqrt (sqr (sqrt (+ 1 x))))))))>
* [enter]simplify:  Simplifying (sqrt (sqr (sqrt (- 1 x))))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* * [misc]simplify:  iters left: 3 (11 enodes)
* * [misc]simplify:  iters left: 2 (12 enodes)
* * [misc]simplify:  iters left: 1 (13 enodes)
* [exit]simplify:  Simplified to (sqrt (- 1 x))
* [exit]simplify:  Simplified to (sqrt (- 1 x))
* [enter]simplify:  Simplifying (sqrt (sqr (sqrt (+ 1 x))))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (10 enodes)
* * [misc]simplify:  iters left: 3 (12 enodes)
* * [misc]simplify:  iters left: 2 (13 enodes)
* * [misc]simplify:  iters left: 1 (14 enodes)
* [exit]simplify:  Simplified to (sqrt (+ 1 x))
* [exit]simplify:  Simplified to (sqrt (+ 1 x))
* * * * [misc]progress:  [ 95 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqr (sqrt (sqrt (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))))))))>
* [enter]simplify:  Simplifying (sqrt (sqrt (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (24 enodes)
* * [misc]simplify:  iters left: 3 (30 enodes)
* * [misc]simplify:  iters left: 2 (42 enodes)
* * [misc]simplify:  iters left: 1 (45 enodes)
* [exit]simplify:  Simplified to (sqrt (sqrt (/ (- 1 x) (+ 1 x))))
* [exit]simplify:  Simplified to (sqrt (sqrt (/ (- 1 x) (+ 1 x))))
* * * * [misc]progress:  [ 96 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (fabs (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))))))>
* * * * [misc]progress:  [ 97 / 97 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (* 1 (sqrt (sqr (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))))))))>
* * * [misc]progress:  adding candidates to table
* [misc]progress:  [Phase 3 of 3] Extracting.
* [enter]simplify:  Simplifying (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (10 enodes)
* [exit]simplify:  Simplified to (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))
* [exit]simplify:  Simplified to (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))
* [enter]simplify:  Simplifying (* 2 (atan (sqrt (/ (- 1 x) (+ 1 x)))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* [exit]simplify:  Simplified to (* (atan (sqrt (/ (- 1 x) (+ x 1)))) 2)