* [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 / 2 ] 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 / 2 ] 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:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 2 ] rewriting at (2 2 1 1)
* * * * [misc]progress:  [ 2 / 2 ] rewriting at (2 2 1)
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 44 ] 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 (20 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (27 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* * [misc]simplify:  iters left: 1 (42 enodes)
* [exit]simplify:  Simplified to (* (atan (sqrt (+ (- 1 (* x 2)) (* (* x x) 2)))) 2)
* * * * [misc]progress:  [ 2 / 44 ] 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 (25 enodes)
* * [misc]simplify:  iters left: 4 (34 enodes)
* * [misc]simplify:  iters left: 3 (39 enodes)
* * [misc]simplify:  iters left: 2 (51 enodes)
* * [misc]simplify:  iters left: 1 (58 enodes)
* [exit]simplify:  Simplified to (* (atan (sqrt (- (/ 2 x) (+ (/ (/ 2 x) x) 1)))) 2)
* * * * [misc]progress:  [ 3 / 44 ] 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 (25 enodes)
* * [misc]simplify:  iters left: 4 (34 enodes)
* * [misc]simplify:  iters left: 3 (39 enodes)
* * [misc]simplify:  iters left: 2 (51 enodes)
* * [misc]simplify:  iters left: 1 (58 enodes)
* [exit]simplify:  Simplified to (* (atan (sqrt (- (/ 2 x) (+ (/ (/ 2 x) x) 1)))) 2)
* * * * [misc]progress:  [ 4 / 44 ] 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 (18 enodes)
* * [misc]simplify:  iters left: 4 (21 enodes)
* * [misc]simplify:  iters left: 3 (27 enodes)
* * [misc]simplify:  iters left: 2 (28 enodes)
* * [misc]simplify:  iters left: 1 (30 enodes)
* [exit]simplify:  Simplified to (* 2 (atan (+ (* (* x x) 1/2) (- 1 x))))
* * * * [misc]progress:  [ 5 / 44 ] 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 / 44 ] 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 / 44 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (pow (/ (- 1 x) (+ 1 x)) 1)))))>
* * * * [misc]progress:  [ 8 / 44 ] 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 (10 enodes)
* [exit]simplify:  Simplified to (- (log (- 1 x)) (log (+ 1 x)))
* [exit]simplify:  Simplified to (- (log (- 1 x)) (log (+ 1 x)))
* * * * [misc]progress:  [ 9 / 44 ] 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)
* [exit]simplify:  Simplified to (log (/ (- 1 x) (+ 1 x)))
* [exit]simplify:  Simplified to (log (/ (- 1 x) (+ 1 x)))
* * * * [misc]progress:  [ 10 / 44 ] 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:  [ 11 / 44 ] 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 (50 enodes)
* * [misc]simplify:  iters left: 1 (86 enodes)
* [exit]simplify:  Simplified to (cube (/ (- 1 x) (+ 1 x)))
* [exit]simplify:  Simplified to (cube (/ (- 1 x) (+ 1 x)))
* * * * [misc]progress:  [ 12 / 44 ] 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:  [ 13 / 44 ] 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 (64 enodes)
* [exit]simplify:  Simplified to (cube (/ (- 1 x) (+ 1 x)))
* [exit]simplify:  Simplified to (cube (/ (- 1 x) (+ 1 x)))
* * * * [misc]progress:  [ 14 / 44 ] 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:  [ 15 / 44 ] 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:  [ 16 / 44 ] 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:  [ 17 / 44 ] 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:  [ 18 / 44 ] 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:  [ 19 / 44 ] 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:  [ 20 / 44 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (* 1 (/ (- 1 x) (+ 1 x)))))))>
* * * * [misc]progress:  [ 21 / 44 ] 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:  [ 22 / 44 ] 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:  [ 23 / 44 ] 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:  [ 24 / 44 ] 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:  [ 25 / 44 ] 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:  [ 26 / 44 ] 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 (43 enodes)
* [exit]simplify:  Simplified to (/ (- 1 x) (- 1 (* x x)))
* [exit]simplify:  Simplified to (/ (- 1 x) (- 1 (* x x)))
* * * * [misc]progress:  [ 27 / 44 ] 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 (74 enodes)
* * [misc]simplify:  iters left: 3 (113 enodes)
* * [misc]simplify:  iters left: 2 (133 enodes)
* * [misc]simplify:  iters left: 1 (143 enodes)
* [exit]simplify:  Simplified to (* (+ 1 x) (+ (+ 1 x) (* x x)))
* [exit]simplify:  Simplified to (* (+ 1 x) (+ (+ 1 x) (* x x)))
* * * * [misc]progress:  [ 28 / 44 ] 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 (18 enodes)
* * [misc]simplify:  iters left: 1 (25 enodes)
* [exit]simplify:  Simplified to (* (+ 1 x) (+ 1 x))
* [exit]simplify:  Simplified to (* (+ 1 x) (+ 1 x))
* * * * [misc]progress:  [ 29 / 44 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (pow (/ (- 1 x) (+ 1 x)) 1/2))))>
* * * * [misc]progress:  [ 30 / 44 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (pow (sqrt (/ (- 1 x) (+ 1 x))) 1))))>
* * * * [misc]progress:  [ 31 / 44 ] 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:  [ 32 / 44 ] 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:  [ 33 / 44 ] 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:  [ 34 / 44 ] 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:  [ 35 / 44 ] 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:  [ 36 / 44 ] 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:  [ 37 / 44 ] 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:  [ 38 / 44 ] 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 (20 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (27 enodes)
* * [misc]simplify:  iters left: 1 (31 enodes)
* [exit]simplify:  Simplified to (sqrt (- (* x x) (- x 1)))
* [exit]simplify:  Simplified to (sqrt (- (* x x) (- x 1)))
* * * * [misc]progress:  [ 39 / 44 ] 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 (44 enodes)
* * [misc]simplify:  iters left: 1 (64 enodes)
* [exit]simplify:  Simplified to (sqrt (* 1 (/ 1 (+ 1 x))))
* [exit]simplify:  Simplified to (sqrt (* 1 (/ 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))
* * * * [misc]progress:  [ 40 / 44 ] 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:  [ 41 / 44 ] 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:  [ 42 / 44 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (fabs (sqrt (/ (- 1 x) (+ 1 x)))))))>
* * * * [misc]progress:  [ 43 / 44 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (fabs (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))))))>
* * * * [misc]progress:  [ 44 / 44 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (* 1 (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-event (λ (x) (* 2 (atan (- (+ (* 1/2 (sqr x)) 1) x))))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 1 ] generating series at (2 2)
* [misc]approximate:  Taking taylor expansion of (atan (- (+ (* 1/2 (sqr x)) 1) x)) in (x) around 0
* [misc]taylor:  Taking taylor expansion of (atan (- (+ (* 1/2 (sqr x)) 1) x)) in x
* [misc]backup-simplify:  Simplify (atan (- (+ (* 1/2 (sqr x)) 1) x)) into (atan (- (+ (* 1/2 (sqr x)) 1) x))
* [misc]taylor:  Taking taylor expansion of (atan (- (+ (* 1/2 (sqr x)) 1) x)) in x
* [misc]backup-simplify:  Simplify (atan (- (+ (* 1/2 (sqr x)) 1) x)) into (atan (- (+ (* 1/2 (sqr x)) 1) x))
* [misc]backup-simplify:  Simplify (atan (- (+ (* 1/2 (sqr x)) 1) x)) into (atan (- (+ (* 1/2 (sqr 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 (- (+ (* 1/2 (sqr x)) 1) x)) into (atan (- (+ (* 1/2 (sqr x)) 1) x))
* [misc]approximate:  Taking taylor expansion of (atan (- (+ (* 1/2 (sqr (/ 1 x))) 1) (/ 1 x))) in (x) around 0
* [misc]taylor:  Taking taylor expansion of (atan (- (+ (* 1/2 (sqr (/ 1 x))) 1) (/ 1 x))) in x
* [misc]backup-simplify:  Simplify (atan (- (+ (* 1/2 (sqr (/ 1 x))) 1) (/ 1 x))) into (atan (- (+ (* 1/2 (/ 1 (sqr x))) 1) (/ 1 x)))
* [misc]taylor:  Taking taylor expansion of (atan (- (+ (* 1/2 (sqr (/ 1 x))) 1) (/ 1 x))) in x
* [misc]backup-simplify:  Simplify (atan (- (+ (* 1/2 (sqr (/ 1 x))) 1) (/ 1 x))) into (atan (- (+ (* 1/2 (/ 1 (sqr x))) 1) (/ 1 x)))
* [misc]backup-simplify:  Simplify (atan (- (+ (* 1/2 (/ 1 (sqr x))) 1) (/ 1 x))) into (atan (- (+ (* 1/2 (/ 1 (sqr 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 (- (+ (* 1/2 (/ 1 (sqr x))) 1) (/ 1 x))) into (atan (- (+ (* 1/2 (/ 1 (sqr x))) 1) (/ 1 x)))
* [misc]approximate:  Taking taylor expansion of (atan (- (+ (* 1/2 (sqr (/ 1 (- x)))) 1) (/ 1 (- x)))) in (x) around 0
* [misc]taylor:  Taking taylor expansion of (atan (- (+ (* 1/2 (sqr (/ 1 (- x)))) 1) (/ 1 (- x)))) in x
* [misc]backup-simplify:  Simplify (atan (- (+ (* 1/2 (sqr (/ 1 (- x)))) 1) (/ 1 (- x)))) into (atan (+ (* 1/2 (/ 1 (sqr x))) (+ 1 (/ 1 x))))
* [misc]taylor:  Taking taylor expansion of (atan (- (+ (* 1/2 (sqr (/ 1 (- x)))) 1) (/ 1 (- x)))) in x
* [misc]backup-simplify:  Simplify (atan (- (+ (* 1/2 (sqr (/ 1 (- x)))) 1) (/ 1 (- x)))) into (atan (+ (* 1/2 (/ 1 (sqr x))) (+ 1 (/ 1 x))))
* [misc]backup-simplify:  Simplify (atan (+ (* 1/2 (/ 1 (sqr x))) (+ 1 (/ 1 x)))) into (atan (+ (* 1/2 (/ 1 (sqr 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 (+ (* 1/2 (/ 1 (sqr x))) (+ 1 (/ 1 x)))) into (atan (+ (* 1/2 (/ 1 (sqr x))) (+ 1 (/ 1 x))))
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 1 ] rewriting at (2 2)
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 10 ] 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 (18 enodes)
* * [misc]simplify:  iters left: 4 (21 enodes)
* * [misc]simplify:  iters left: 3 (27 enodes)
* * [misc]simplify:  iters left: 2 (28 enodes)
* * [misc]simplify:  iters left: 1 (30 enodes)
* [exit]simplify:  Simplified to (* 2 (atan (+ (* (* x x) 1/2) (- 1 x))))
* * * * [misc]progress:  [ 2 / 10 ] simplifiying candidate #<alt-event (λ (x) (* 2 (atan (- (+ (* 1/2 (/ 1 (sqr x))) 1) (/ 1 x)))))>
* [enter]simplify:  Simplifying (* 2 (atan (- (+ (* 1/2 (/ 1 (sqr x))) 1) (/ 1 x))))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (22 enodes)
* * [misc]simplify:  iters left: 4 (28 enodes)
* * [misc]simplify:  iters left: 3 (41 enodes)
* * [misc]simplify:  iters left: 2 (43 enodes)
* * [misc]simplify:  iters left: 1 (47 enodes)
* [exit]simplify:  Simplified to (* 2 (atan (- (/ 1/2 (* x x)) (- (/ 1 x) 1))))
* * * * [misc]progress:  [ 3 / 10 ] simplifiying candidate #<alt-event (λ (x) (* 2 (atan (+ (* 1/2 (/ 1 (sqr x))) (+ 1 (/ 1 x))))))>
* [enter]simplify:  Simplifying (* 2 (atan (+ (* 1/2 (/ 1 (sqr x))) (+ 1 (/ 1 x)))))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (22 enodes)
* * [misc]simplify:  iters left: 4 (30 enodes)
* * [misc]simplify:  iters left: 3 (43 enodes)
* * [misc]simplify:  iters left: 2 (50 enodes)
* * [misc]simplify:  iters left: 1 (57 enodes)
* [exit]simplify:  Simplified to (* 2 (atan (+ (/ 1/2 (* x x)) (+ 1 (/ 1 x)))))
* * * * [misc]progress:  [ 4 / 10 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (pow (atan (- (+ (* 1/2 (sqr x)) 1) x)) 1)))>
* * * * [misc]progress:  [ 5 / 10 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (exp (log (atan (- (+ (* 1/2 (sqr x)) 1) x))))))>
* [enter]simplify:  Simplifying (log (atan (- (+ (* 1/2 (sqr x)) 1) x)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (19 enodes)
* * [misc]simplify:  iters left: 3 (25 enodes)
* * [misc]simplify:  iters left: 2 (26 enodes)
* * [misc]simplify:  iters left: 1 (28 enodes)
* [exit]simplify:  Simplified to (log (atan (+ (- 1 x) (* (* x x) 1/2))))
* [exit]simplify:  Simplified to (log (atan (+ (- 1 x) (* (* x x) 1/2))))
* * * * [misc]progress:  [ 6 / 10 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (log (exp (atan (- (+ (* 1/2 (sqr x)) 1) x))))))>
* [enter]simplify:  Simplifying (exp (atan (- (+ (* 1/2 (sqr x)) 1) x)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (19 enodes)
* * [misc]simplify:  iters left: 3 (25 enodes)
* * [misc]simplify:  iters left: 2 (26 enodes)
* * [misc]simplify:  iters left: 1 (28 enodes)
* [exit]simplify:  Simplified to (exp (atan (+ (- 1 x) (* (* x x) 1/2))))
* [exit]simplify:  Simplified to (exp (atan (+ (- 1 x) (* (* x x) 1/2))))
* * * * [misc]progress:  [ 7 / 10 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (cube (cbrt (atan (- (+ (* 1/2 (sqr x)) 1) x))))))>
* [enter]simplify:  Simplifying (cbrt (atan (- (+ (* 1/2 (sqr x)) 1) x)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (19 enodes)
* * [misc]simplify:  iters left: 3 (25 enodes)
* * [misc]simplify:  iters left: 2 (26 enodes)
* * [misc]simplify:  iters left: 1 (28 enodes)
* [exit]simplify:  Simplified to (cbrt (atan (+ (- 1 x) (* (* x x) 1/2))))
* [exit]simplify:  Simplified to (cbrt (atan (+ (- 1 x) (* (* x x) 1/2))))
* * * * [misc]progress:  [ 8 / 10 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (cbrt (cube (atan (- (+ (* 1/2 (sqr x)) 1) x))))))>
* [enter]simplify:  Simplifying (cube (atan (- (+ (* 1/2 (sqr x)) 1) x)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (23 enodes)
* * [misc]simplify:  iters left: 3 (29 enodes)
* * [misc]simplify:  iters left: 2 (30 enodes)
* * [misc]simplify:  iters left: 1 (32 enodes)
* [exit]simplify:  Simplified to (cube (atan (+ (- 1 x) (* (* x 1/2) x))))
* [exit]simplify:  Simplified to (cube (atan (+ (- 1 x) (* (* x 1/2) x))))
* * * * [misc]progress:  [ 9 / 10 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (sqr (sqrt (atan (- (+ (* 1/2 (sqr x)) 1) x))))))>
* [enter]simplify:  Simplifying (sqrt (atan (- (+ (* 1/2 (sqr x)) 1) x)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (19 enodes)
* * [misc]simplify:  iters left: 3 (25 enodes)
* * [misc]simplify:  iters left: 2 (26 enodes)
* * [misc]simplify:  iters left: 1 (28 enodes)
* [exit]simplify:  Simplified to (sqrt (atan (+ (- 1 x) (* (* x x) 1/2))))
* [exit]simplify:  Simplified to (sqrt (atan (+ (- 1 x) (* (* x x) 1/2))))
* * * * [misc]progress:  [ 10 / 10 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (* 1 (atan (- (+ (* 1/2 (sqr x)) 1) x)))))>
* * * [misc]progress:  adding candidates to table
* [misc]progress:  [Phase 3 of 3] Extracting.
* [enter]simplify:  Simplifying (* 2 (atan (- (+ (* 1/2 (sqr x)) 1) x)))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (21 enodes)
* * [misc]simplify:  iters left: 3 (27 enodes)
* * [misc]simplify:  iters left: 2 (28 enodes)
* * [misc]simplify:  iters left: 1 (30 enodes)
* [exit]simplify:  Simplified to (* 2 (atan (+ (* (* x x) 1/2) (- 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)