* [misc]progress:  [Phase 1 of 3] Setting up.
* * * [misc]progress:  [1/2] Preparing points
* * * [misc]progress:  [2/2] Setting up program.
* [misc]progress:  [Phase 2 of 3] Improving.
* [enter]simplify:  Simplifying (* 2 (atan (sqrt (/ (- 1 x) (+ 1 x)))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (21 enodes)
* * [misc]simplify:  iters left: 3 (23 enodes)
* [exit]simplify:  Simplified to (* (atan (sqrt (/ (- 1 x) (+ 1 x)))) 2)
* * [misc]progress:  iteration 1 / 4
* * * [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 rewritten candidates
* * * * [misc]progress:  [ 1 / 3 ] rewriting at (2 2 1 1)
* * * * [misc]progress:  [ 2 / 3 ] rewriting at (2 2)
* * * * [misc]progress:  [ 3 / 3 ] rewriting at (2 2 1)
* * * [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 (pow x 2)) (+ (* -2 x) 1)) into (- (+ (* 2 (pow x 2)) 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 (pow (/ 1 x) 2)) (+ (* 2 (/ 1 x)) -1)) into (- (* 2 (/ 1 x)) (+ 1 (* 2 (/ 1 (pow x 2)))))
* [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 (pow (/ 1 (- x)) 2)) (+ (* -2 (/ 1 (- x))) -1)) into (- (* 2 (/ 1 x)) (+ 1 (* 2 (/ 1 (pow x 2)))))
* * * * [misc]progress:  [ 2 / 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 (/ 1 x))) (+ 1 (/ 1 (/ 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 (/ 1 (- x)))) (- 1 (/ 1 (/ 1 (- x))))))) into (atan (sqrt (/ (- 1 x) (+ 1 x))))
* * * * [misc]progress:  [ 3 / 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 (pow -1 2) (+)) (* 2 1)) into 1/2
* [misc]backup-simplify:  Simplify 1/2 into 1/2
* [misc]backup-simplify:  Simplify (+ (* 1/2 (pow x 2)) (+ (* -1 x) 1)) into (- (+ (* 1/2 (pow x 2)) 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 (pow (/ 1 (sqrt -1)) 2) (+)) (* 2 (sqrt -1))) into (* -1/2 (/ (+ 2 (/ 1 (pow (sqrt -1) 2))) (sqrt -1)))
* [misc]backup-simplify:  Simplify (* -1/2 (/ (+ 2 (/ 1 (pow (sqrt -1) 2))) (sqrt -1))) into (* -1/2 (/ (+ 2 (/ 1 (pow (sqrt -1) 2))) (sqrt -1)))
* [misc]backup-simplify:  Simplify (+ (* (* -1/2 (/ (+ 2 (/ 1 (pow (sqrt -1) 2))) (sqrt -1))) (pow (/ 1 x) 2)) (+ (* (/ 1 (sqrt -1)) (/ 1 x)) (sqrt -1))) into (- (+ (/ 1 (* (sqrt -1) x)) (sqrt -1)) (+ (/ 1 (* (sqrt -1) (pow x 2))) (* 1/2 (/ 1 (* (pow (sqrt -1) 3) (pow x 2))))))
* [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 (pow (/ -1 (sqrt -1)) 2) (+)) (* 2 (sqrt -1))) into (* -1/2 (/ (+ 2 (/ 1 (pow (sqrt -1) 2))) (sqrt -1)))
* [misc]backup-simplify:  Simplify (* -1/2 (/ (+ 2 (/ 1 (pow (sqrt -1) 2))) (sqrt -1))) into (* -1/2 (/ (+ 2 (/ 1 (pow (sqrt -1) 2))) (sqrt -1)))
* [misc]backup-simplify:  Simplify (+ (* (* -1/2 (/ (+ 2 (/ 1 (pow (sqrt -1) 2))) (sqrt -1))) (pow (/ 1 (- x)) 2)) (+ (* (/ -1 (sqrt -1)) (/ 1 (- x))) (sqrt -1))) into (- (+ (/ 1 (* (sqrt -1) x)) (sqrt -1)) (+ (/ 1 (* (sqrt -1) (pow x 2))) (* 1/2 (/ 1 (* (pow (sqrt -1) 3) (pow x 2))))))
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 74 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (pow (/ (- 1 x) (+ 1 x)) 1)))))>
* * * * [misc]progress:  [ 2 / 74 ] 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 (14 enodes)
* * [misc]simplify:  iters left: 3 (16 enodes)
* [exit]simplify:  Simplified to (- (log (- 1 x)) (log (+ x 1)))
* [exit]simplify:  Simplified to (- (log (- 1 x)) (log (+ x 1)))
* * * * [misc]progress:  [ 3 / 74 ] 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 (17 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* * [misc]simplify:  iters left: 2 (25 enodes)
* [exit]simplify:  Simplified to (log (/ (- 1 x) (+ x 1)))
* [exit]simplify:  Simplified to (log (/ (- 1 x) (+ x 1)))
* * * * [misc]progress:  [ 4 / 74 ] 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 (14 enodes)
* * [misc]simplify:  iters left: 3 (20 enodes)
* * [misc]simplify:  iters left: 2 (24 enodes)
* * [misc]simplify:  iters left: 1 (26 enodes)
* [exit]simplify:  Simplified to (exp (/ (- 1 x) (+ x 1)))
* [exit]simplify:  Simplified to (exp (/ (- 1 x) (+ x 1)))
* * * * [misc]progress:  [ 5 / 74 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (cbrt (/ (* (* (- 1 x) (- 1 x)) (- 1 x)) (* (* (+ 1 x) (+ 1 x)) (+ 1 x))))))))>
* [enter]simplify:  Simplifying (/ (* (* (- 1 x) (- 1 x)) (- 1 x)) (* (* (+ 1 x) (+ 1 x)) (+ 1 x)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (35 enodes)
* * [misc]simplify:  iters left: 4 (96 enodes)
* * [misc]simplify:  iters left: 3 (299 enodes)
* [exit]simplify:  Simplified to (pow (/ (- 1 x) (+ x 1)) 3)
* [exit]simplify:  Simplified to (pow (/ (- 1 x) (+ x 1)) 3)
* * * * [misc]progress:  [ 6 / 74 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (* (* (cbrt (/ (- 1 x) (+ 1 x))) (cbrt (/ (- 1 x) (+ 1 x)))) (cbrt (/ (- 1 x) (+ 1 x))))))))>
* [enter]simplify:  Simplifying (* (cbrt (/ (- 1 x) (+ 1 x))) (cbrt (/ (- 1 x) (+ 1 x))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (18 enodes)
* * [misc]simplify:  iters left: 3 (20 enodes)
* [exit]simplify:  Simplified to (* (cbrt (/ (- 1 x) (+ x 1))) (cbrt (/ (- 1 x) (+ x 1))))
* [exit]simplify:  Simplified to (* (cbrt (/ (- 1 x) (+ x 1))) (cbrt (/ (- 1 x) (+ x 1))))
* [enter]simplify:  Simplifying (cbrt (/ (- 1 x) (+ 1 x)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (17 enodes)
* * [misc]simplify:  iters left: 2 (19 enodes)
* [exit]simplify:  Simplified to (cbrt (/ (- 1 x) (+ x 1)))
* [exit]simplify:  Simplified to (cbrt (/ (- 1 x) (+ x 1)))
* * * * [misc]progress:  [ 7 / 74 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (cbrt (* (* (/ (- 1 x) (+ 1 x)) (/ (- 1 x) (+ 1 x))) (/ (- 1 x) (+ 1 x))))))))>
* [enter]simplify:  Simplifying (* (* (/ (- 1 x) (+ 1 x)) (/ (- 1 x) (+ 1 x))) (/ (- 1 x) (+ 1 x)))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (22 enodes)
* * [misc]simplify:  iters left: 4 (53 enodes)
* * [misc]simplify:  iters left: 3 (166 enodes)
* [exit]simplify:  Simplified to (pow (/ (- 1 x) (+ x 1)) 3)
* [exit]simplify:  Simplified to (pow (/ (- 1 x) (+ x 1)) 3)
* * * * [misc]progress:  [ 8 / 74 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (* (sqrt (/ (- 1 x) (+ 1 x))) (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 (14 enodes)
* * [misc]simplify:  iters left: 3 (17 enodes)
* * [misc]simplify:  iters left: 2 (19 enodes)
* [exit]simplify:  Simplified to (sqrt (/ (- 1 x) (+ x 1)))
* [exit]simplify:  Simplified to (sqrt (/ (- 1 x) (+ x 1)))
* [enter]simplify:  Simplifying (sqrt (/ (- 1 x) (+ 1 x)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (17 enodes)
* * [misc]simplify:  iters left: 2 (19 enodes)
* [exit]simplify:  Simplified to (sqrt (/ (- 1 x) (+ x 1)))
* [exit]simplify:  Simplified to (sqrt (/ (- 1 x) (+ x 1)))
* * * * [misc]progress:  [ 9 / 74 ] 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 (8 enodes)
* * [misc]simplify:  iters left: 2 (13 enodes)
* * [misc]simplify:  iters left: 1 (14 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 (11 enodes)
* * [misc]simplify:  iters left: 2 (13 enodes)
* [exit]simplify:  Simplified to (- -1 x)
* [exit]simplify:  Simplified to (- -1 x)
* * * * [misc]progress:  [ 10 / 74 ] 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 (+ x 1))
* [exit]simplify:  Simplified to (/ 1 (+ x 1))
* [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 (+ 1 x))
* [exit]simplify:  Simplified to (/ x (+ 1 x))
* * * * [misc]progress:  [ 11 / 74 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (* (/ (* (cbrt (- 1 x)) (cbrt (- 1 x))) (* (cbrt (+ 1 x)) (cbrt (+ 1 x)))) (/ (cbrt (- 1 x)) (cbrt (+ 1 x))))))))>
* [enter]simplify:  Simplifying (/ (* (cbrt (- 1 x)) (cbrt (- 1 x))) (* (cbrt (+ 1 x)) (cbrt (+ 1 x))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (20 enodes)
* * [misc]simplify:  iters left: 4 (30 enodes)
* * [misc]simplify:  iters left: 3 (33 enodes)
* * [misc]simplify:  iters left: 2 (36 enodes)
* [exit]simplify:  Simplified to (* (/ (cbrt (- 1 x)) (cbrt (+ x 1))) (/ (cbrt (- 1 x)) (cbrt (+ x 1))))
* [exit]simplify:  Simplified to (* (/ (cbrt (- 1 x)) (cbrt (+ x 1))) (/ (cbrt (- 1 x)) (cbrt (+ x 1))))
* [enter]simplify:  Simplifying (/ (cbrt (- 1 x)) (cbrt (+ 1 x)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* [exit]simplify:  Simplified to (/ (cbrt (- 1 x)) (cbrt (+ x 1)))
* [exit]simplify:  Simplified to (/ (cbrt (- 1 x)) (cbrt (+ x 1)))
* * * * [misc]progress:  [ 12 / 74 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (* (/ (* (cbrt (- 1 x)) (cbrt (- 1 x))) (sqrt (+ 1 x))) (/ (cbrt (- 1 x)) (sqrt (+ 1 x))))))))>
* [enter]simplify:  Simplifying (/ (* (cbrt (- 1 x)) (cbrt (- 1 x))) (sqrt (+ 1 x)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (18 enodes)
* * [misc]simplify:  iters left: 3 (19 enodes)
* [exit]simplify:  Simplified to (* (/ (cbrt (- 1 x)) (sqrt (+ x 1))) (cbrt (- 1 x)))
* [exit]simplify:  Simplified to (* (/ (cbrt (- 1 x)) (sqrt (+ x 1))) (cbrt (- 1 x)))
* [enter]simplify:  Simplifying (/ (cbrt (- 1 x)) (sqrt (+ 1 x)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* [exit]simplify:  Simplified to (/ (cbrt (- 1 x)) (sqrt (+ x 1)))
* [exit]simplify:  Simplified to (/ (cbrt (- 1 x)) (sqrt (+ x 1)))
* * * * [misc]progress:  [ 13 / 74 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (* (/ (* (cbrt (- 1 x)) (cbrt (- 1 x))) 1) (/ (cbrt (- 1 x)) (+ 1 x)))))))>
* [enter]simplify:  Simplifying (/ (* (cbrt (- 1 x)) (cbrt (- 1 x))) 1)
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (19 enodes)
* * [misc]simplify:  iters left: 3 (21 enodes)
* * [misc]simplify:  iters left: 2 (30 enodes)
* [exit]simplify:  Simplified to (* (cbrt (- 1 x)) (cbrt (- 1 x)))
* [exit]simplify:  Simplified to (* (cbrt (- 1 x)) (cbrt (- 1 x)))
* [enter]simplify:  Simplifying (/ (cbrt (- 1 x)) (+ 1 x))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (12 enodes)
* [exit]simplify:  Simplified to (/ (cbrt (- 1 x)) (+ x 1))
* [exit]simplify:  Simplified to (/ (cbrt (- 1 x)) (+ x 1))
* * * * [misc]progress:  [ 14 / 74 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (* (/ (sqrt (- 1 x)) (* (cbrt (+ 1 x)) (cbrt (+ 1 x)))) (/ (sqrt (- 1 x)) (cbrt (+ 1 x))))))))>
* [enter]simplify:  Simplifying (/ (sqrt (- 1 x)) (* (cbrt (+ 1 x)) (cbrt (+ 1 x))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (16 enodes)
* [exit]simplify:  Simplified to (/ (/ (sqrt (- 1 x)) (cbrt (+ x 1))) (cbrt (+ x 1)))
* [exit]simplify:  Simplified to (/ (/ (sqrt (- 1 x)) (cbrt (+ x 1))) (cbrt (+ x 1)))
* [enter]simplify:  Simplifying (/ (sqrt (- 1 x)) (cbrt (+ 1 x)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* [exit]simplify:  Simplified to (/ (sqrt (- 1 x)) (cbrt (+ x 1)))
* [exit]simplify:  Simplified to (/ (sqrt (- 1 x)) (cbrt (+ x 1)))
* * * * [misc]progress:  [ 15 / 74 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (* (/ (sqrt (- 1 x)) (sqrt (+ 1 x))) (/ (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 (12 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* [exit]simplify:  Simplified to (/ (sqrt (- 1 x)) (sqrt (+ x 1)))
* [exit]simplify:  Simplified to (/ (sqrt (- 1 x)) (sqrt (+ x 1)))
* [enter]simplify:  Simplifying (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* [exit]simplify:  Simplified to (/ (sqrt (- 1 x)) (sqrt (+ x 1)))
* [exit]simplify:  Simplified to (/ (sqrt (- 1 x)) (sqrt (+ x 1)))
* * * * [misc]progress:  [ 16 / 74 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (* (/ (sqrt (- 1 x)) 1) (/ (sqrt (- 1 x)) (+ 1 x)))))))>
* [enter]simplify:  Simplifying (/ (sqrt (- 1 x)) 1)
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* * [misc]simplify:  iters left: 3 (12 enodes)
* [exit]simplify:  Simplified to (sqrt (- 1 x))
* [exit]simplify:  Simplified to (sqrt (- 1 x))
* [enter]simplify:  Simplifying (/ (sqrt (- 1 x)) (+ 1 x))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (12 enodes)
* [exit]simplify:  Simplified to (/ (sqrt (- 1 x)) (+ x 1))
* [exit]simplify:  Simplified to (/ (sqrt (- 1 x)) (+ x 1))
* * * * [misc]progress:  [ 17 / 74 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (* (/ 1 (* (cbrt (+ 1 x)) (cbrt (+ 1 x)))) (/ (- 1 x) (cbrt (+ 1 x))))))))>
* [enter]simplify:  Simplifying (/ 1 (* (cbrt (+ 1 x)) (cbrt (+ 1 x))))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (11 enodes)
* [exit]simplify:  Simplified to (/ 1 (* (cbrt (+ x 1)) (cbrt (+ x 1))))
* [exit]simplify:  Simplified to (/ 1 (* (cbrt (+ x 1)) (cbrt (+ x 1))))
* [enter]simplify:  Simplifying (/ (- 1 x) (cbrt (+ 1 x)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (17 enodes)
* * [misc]simplify:  iters left: 2 (19 enodes)
* [exit]simplify:  Simplified to (/ (- 1 x) (cbrt (+ x 1)))
* [exit]simplify:  Simplified to (/ (- 1 x) (cbrt (+ x 1)))
* * * * [misc]progress:  [ 18 / 74 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (* (/ 1 (sqrt (+ 1 x))) (/ (- 1 x) (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 (+ x 1)))
* [exit]simplify:  Simplified to (/ 1 (sqrt (+ x 1)))
* [enter]simplify:  Simplifying (/ (- 1 x) (sqrt (+ 1 x)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (17 enodes)
* * [misc]simplify:  iters left: 2 (19 enodes)
* [exit]simplify:  Simplified to (/ (- 1 x) (sqrt (+ x 1)))
* [exit]simplify:  Simplified to (/ (- 1 x) (sqrt (+ x 1)))
* * * * [misc]progress:  [ 19 / 74 ] 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 (13 enodes)
* * [misc]simplify:  iters left: 2 (16 enodes)
* * [misc]simplify:  iters left: 1 (18 enodes)
* [exit]simplify:  Simplified to (/ (- 1 x) (+ x 1))
* [exit]simplify:  Simplified to (/ (- 1 x) (+ x 1))
* * * * [misc]progress:  [ 20 / 74 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (* 1 (/ (- 1 x) (+ 1 x)))))))>
* * * * [misc]progress:  [ 21 / 74 ] 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 (+ x 1))
* [exit]simplify:  Simplified to (/ 1 (+ x 1))
* * * * [misc]progress:  [ 22 / 74 ] 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 (10 enodes)
* * [misc]simplify:  iters left: 2 (11 enodes)
* [exit]simplify:  Simplified to (/ (+ x 1) (- 1 x))
* [exit]simplify:  Simplified to (/ (+ x 1) (- 1 x))
* * * * [misc]progress:  [ 23 / 74 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (/ (/ (- 1 x) (* (cbrt (+ 1 x)) (cbrt (+ 1 x)))) (cbrt (+ 1 x)))))))>
* [enter]simplify:  Simplifying (/ (- 1 x) (* (cbrt (+ 1 x)) (cbrt (+ 1 x))))
* * [misc]simplify:  iters left: 6 (7 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 (32 enodes)
* [exit]simplify:  Simplified to (/ (/ (- 1 x) (cbrt (+ x 1))) (cbrt (+ x 1)))
* [exit]simplify:  Simplified to (/ (/ (- 1 x) (cbrt (+ x 1))) (cbrt (+ x 1)))
* * * * [misc]progress:  [ 24 / 74 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (/ (/ (- 1 x) (sqrt (+ 1 x))) (sqrt (+ 1 x)))))))>
* [enter]simplify:  Simplifying (/ (- 1 x) (sqrt (+ 1 x)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (17 enodes)
* * [misc]simplify:  iters left: 2 (19 enodes)
* [exit]simplify:  Simplified to (/ (- 1 x) (sqrt (+ x 1)))
* [exit]simplify:  Simplified to (/ (- 1 x) (sqrt (+ x 1)))
* * * * [misc]progress:  [ 25 / 74 ] 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 (11 enodes)
* * [misc]simplify:  iters left: 2 (16 enodes)
* * [misc]simplify:  iters left: 1 (18 enodes)
* [exit]simplify:  Simplified to (- 1 x)
* [exit]simplify:  Simplified to (- 1 x)
* * * * [misc]progress:  [ 26 / 74 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (/ (* (cbrt (- 1 x)) (cbrt (- 1 x))) (/ (+ 1 x) (cbrt (- 1 x))))))))>
* [enter]simplify:  Simplifying (/ (+ 1 x) (cbrt (- 1 x)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (12 enodes)
* [exit]simplify:  Simplified to (/ (+ x 1) (cbrt (- 1 x)))
* [exit]simplify:  Simplified to (/ (+ x 1) (cbrt (- 1 x)))
* * * * [misc]progress:  [ 27 / 74 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (/ (sqrt (- 1 x)) (/ (+ 1 x) (sqrt (- 1 x))))))))>
* [enter]simplify:  Simplifying (/ (+ 1 x) (sqrt (- 1 x)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (12 enodes)
* [exit]simplify:  Simplified to (/ (+ x 1) (sqrt (- 1 x)))
* [exit]simplify:  Simplified to (/ (+ x 1) (sqrt (- 1 x)))
* * * * [misc]progress:  [ 28 / 74 ] 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 (10 enodes)
* * [misc]simplify:  iters left: 2 (11 enodes)
* [exit]simplify:  Simplified to (/ (+ x 1) (- 1 x))
* [exit]simplify:  Simplified to (/ (+ x 1) (- 1 x))
* * * * [misc]progress:  [ 29 / 74 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (* (/ (- 1 x) (+ (pow 1 3) (pow x 3))) (+ (* 1 1) (- (* x 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 (21 enodes)
* * [misc]simplify:  iters left: 3 (24 enodes)
* * [misc]simplify:  iters left: 2 (26 enodes)
* [exit]simplify:  Simplified to (/ (- 1 x) (+ 1 (pow x 3)))
* [exit]simplify:  Simplified to (/ (- 1 x) (+ 1 (pow x 3)))
* * * * [misc]progress:  [ 30 / 74 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (* (/ (- 1 x) (- (* 1 1) (* x x))) (- 1 x))))))>
* [enter]simplify:  Simplifying (/ (- 1 x) (- (* 1 1) (* x x)))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (24 enodes)
* [exit]simplify:  Simplified to (/ (- 1 x) (- 1 (* x x)))
* [exit]simplify:  Simplified to (/ (- 1 x) (- 1 (* x x)))
* * * * [misc]progress:  [ 31 / 74 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (/ (- (pow 1 3) (pow x 3)) (* (+ 1 x) (+ (* 1 1) (+ (* x x) (* 1 x)))))))))>
* [enter]simplify:  Simplifying (* (+ 1 x) (+ (* 1 1) (+ (* x x) (* 1 x))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (23 enodes)
* * [misc]simplify:  iters left: 4 (70 enodes)
* * [misc]simplify:  iters left: 3 (240 enodes)
* [exit]simplify:  Simplified to (* (+ (+ x 1) (* x x)) (+ x 1))
* [exit]simplify:  Simplified to (* (+ (+ x 1) (* x x)) (+ x 1))
* * * * [misc]progress:  [ 32 / 74 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (/ (- (* 1 1) (* x x)) (* (+ 1 x) (+ 1 x)))))))>
* [enter]simplify:  Simplifying (* (+ 1 x) (+ 1 x))
* * [misc]simplify:  iters left: 4 (4 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (26 enodes)
* * [misc]simplify:  iters left: 1 (38 enodes)
* [exit]simplify:  Simplified to (* (+ x 1) (+ x 1))
* [exit]simplify:  Simplified to (* (+ x 1) (+ x 1))
* * * * [misc]progress:  [ 33 / 74 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (pow (atan (sqrt (/ (- 1 x) (+ 1 x)))) 1)))>
* * * * [misc]progress:  [ 34 / 74 ] 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 (16 enodes)
* * [misc]simplify:  iters left: 4 (19 enodes)
* * [misc]simplify:  iters left: 3 (21 enodes)
* [exit]simplify:  Simplified to (log (atan (sqrt (/ (- 1 x) (+ x 1)))))
* [exit]simplify:  Simplified to (log (atan (sqrt (/ (- 1 x) (+ x 1)))))
* * * * [misc]progress:  [ 35 / 74 ] 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 (16 enodes)
* * [misc]simplify:  iters left: 4 (19 enodes)
* * [misc]simplify:  iters left: 3 (21 enodes)
* [exit]simplify:  Simplified to (exp (atan (sqrt (/ (- 1 x) (+ x 1)))))
* [exit]simplify:  Simplified to (exp (atan (sqrt (/ (- 1 x) (+ x 1)))))
* * * * [misc]progress:  [ 36 / 74 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (* (* (cbrt (atan (sqrt (/ (- 1 x) (+ 1 x))))) (cbrt (atan (sqrt (/ (- 1 x) (+ 1 x)))))) (cbrt (atan (sqrt (/ (- 1 x) (+ 1 x))))))))>
* [enter]simplify:  Simplifying (* (cbrt (atan (sqrt (/ (- 1 x) (+ 1 x))))) (cbrt (atan (sqrt (/ (- 1 x) (+ 1 x))))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (17 enodes)
* * [misc]simplify:  iters left: 4 (20 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* [exit]simplify:  Simplified to (* (cbrt (atan (sqrt (/ (- 1 x) (+ x 1))))) (cbrt (atan (sqrt (/ (- 1 x) (+ x 1))))))
* [exit]simplify:  Simplified to (* (cbrt (atan (sqrt (/ (- 1 x) (+ x 1))))) (cbrt (atan (sqrt (/ (- 1 x) (+ x 1))))))
* [enter]simplify:  Simplifying (cbrt (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 (19 enodes)
* * [misc]simplify:  iters left: 3 (21 enodes)
* [exit]simplify:  Simplified to (cbrt (atan (sqrt (/ (- 1 x) (+ x 1)))))
* [exit]simplify:  Simplified to (cbrt (atan (sqrt (/ (- 1 x) (+ x 1)))))
* * * * [misc]progress:  [ 37 / 74 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (cbrt (* (* (atan (sqrt (/ (- 1 x) (+ 1 x)))) (atan (sqrt (/ (- 1 x) (+ 1 x))))) (atan (sqrt (/ (- 1 x) (+ 1 x))))))))>
* [enter]simplify:  Simplifying (* (* (atan (sqrt (/ (- 1 x) (+ 1 x)))) (atan (sqrt (/ (- 1 x) (+ 1 x))))) (atan (sqrt (/ (- 1 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 (25 enodes)
* [exit]simplify:  Simplified to (pow (atan (sqrt (/ (- 1 x) (+ x 1)))) 3)
* [exit]simplify:  Simplified to (pow (atan (sqrt (/ (- 1 x) (+ x 1)))) 3)
* * * * [misc]progress:  [ 38 / 74 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (* (sqrt (atan (sqrt (/ (- 1 x) (+ 1 x))))) (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 (16 enodes)
* * [misc]simplify:  iters left: 4 (19 enodes)
* * [misc]simplify:  iters left: 3 (21 enodes)
* [exit]simplify:  Simplified to (sqrt (atan (sqrt (/ (- 1 x) (+ x 1)))))
* [exit]simplify:  Simplified to (sqrt (atan (sqrt (/ (- 1 x) (+ x 1)))))
* [enter]simplify:  Simplifying (sqrt (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 (19 enodes)
* * [misc]simplify:  iters left: 3 (21 enodes)
* [exit]simplify:  Simplified to (sqrt (atan (sqrt (/ (- 1 x) (+ x 1)))))
* [exit]simplify:  Simplified to (sqrt (atan (sqrt (/ (- 1 x) (+ x 1)))))
* * * * [misc]progress:  [ 39 / 74 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (* 1 (atan (sqrt (/ (- 1 x) (+ 1 x)))))))>
* * * * [misc]progress:  [ 40 / 74 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (pow (/ (- 1 x) (+ 1 x)) 1/2))))>
* * * * [misc]progress:  [ 41 / 74 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (pow (sqrt (/ (- 1 x) (+ 1 x))) 1))))>
* * * * [misc]progress:  [ 42 / 74 ] 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 (15 enodes)
* * [misc]simplify:  iters left: 4 (18 enodes)
* * [misc]simplify:  iters left: 3 (20 enodes)
* [exit]simplify:  Simplified to (log (sqrt (/ (- 1 x) (+ x 1))))
* [exit]simplify:  Simplified to (log (sqrt (/ (- 1 x) (+ x 1))))
* * * * [misc]progress:  [ 43 / 74 ] 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 (15 enodes)
* * [misc]simplify:  iters left: 4 (18 enodes)
* * [misc]simplify:  iters left: 3 (20 enodes)
* [exit]simplify:  Simplified to (exp (sqrt (/ (- 1 x) (+ x 1))))
* [exit]simplify:  Simplified to (exp (sqrt (/ (- 1 x) (+ x 1))))
* * * * [misc]progress:  [ 44 / 74 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (* (* (cbrt (sqrt (/ (- 1 x) (+ 1 x)))) (cbrt (sqrt (/ (- 1 x) (+ 1 x))))) (cbrt (sqrt (/ (- 1 x) (+ 1 x))))))))>
* [enter]simplify:  Simplifying (* (cbrt (sqrt (/ (- 1 x) (+ 1 x)))) (cbrt (sqrt (/ (- 1 x) (+ 1 x)))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (19 enodes)
* * [misc]simplify:  iters left: 3 (21 enodes)
* [exit]simplify:  Simplified to (* (cbrt (sqrt (/ (- 1 x) (+ x 1)))) (cbrt (sqrt (/ (- 1 x) (+ x 1)))))
* [exit]simplify:  Simplified to (* (cbrt (sqrt (/ (- 1 x) (+ x 1)))) (cbrt (sqrt (/ (- 1 x) (+ x 1)))))
* [enter]simplify:  Simplifying (cbrt (sqrt (/ (- 1 x) (+ 1 x))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (18 enodes)
* * [misc]simplify:  iters left: 3 (20 enodes)
* [exit]simplify:  Simplified to (cbrt (sqrt (/ (- 1 x) (+ x 1))))
* [exit]simplify:  Simplified to (cbrt (sqrt (/ (- 1 x) (+ x 1))))
* * * * [misc]progress:  [ 45 / 74 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (cbrt (* (* (sqrt (/ (- 1 x) (+ 1 x))) (sqrt (/ (- 1 x) (+ 1 x)))) (sqrt (/ (- 1 x) (+ 1 x))))))))>
* [enter]simplify:  Simplifying (* (* (sqrt (/ (- 1 x) (+ 1 x))) (sqrt (/ (- 1 x) (+ 1 x)))) (sqrt (/ (- 1 x) (+ 1 x))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (17 enodes)
* * [misc]simplify:  iters left: 4 (27 enodes)
* * [misc]simplify:  iters left: 3 (47 enodes)
* * [misc]simplify:  iters left: 2 (64 enodes)
* * [misc]simplify:  iters left: 1 (143 enodes)
* [exit]simplify:  Simplified to (* (/ (- 1 x) (+ x 1)) (sqrt (/ (- 1 x) (+ x 1))))
* [exit]simplify:  Simplified to (* (/ (- 1 x) (+ x 1)) (sqrt (/ (- 1 x) (+ x 1))))
* * * * [misc]progress:  [ 46 / 74 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (* (sqrt (* (cbrt (/ (- 1 x) (+ 1 x))) (cbrt (/ (- 1 x) (+ 1 x))))) (sqrt (cbrt (/ (- 1 x) (+ 1 x))))))))>
* [enter]simplify:  Simplifying (sqrt (* (cbrt (/ (- 1 x) (+ 1 x))) (cbrt (/ (- 1 x) (+ 1 x)))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (17 enodes)
* * [misc]simplify:  iters left: 4 (20 enodes)
* * [misc]simplify:  iters left: 3 (22 enodes)
* [exit]simplify:  Simplified to (fabs (cbrt (/ (- 1 x) (+ x 1))))
* [exit]simplify:  Simplified to (fabs (cbrt (/ (- 1 x) (+ x 1))))
* [enter]simplify:  Simplifying (sqrt (cbrt (/ (- 1 x) (+ 1 x))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (18 enodes)
* * [misc]simplify:  iters left: 3 (20 enodes)
* [exit]simplify:  Simplified to (sqrt (cbrt (/ (- 1 x) (+ x 1))))
* [exit]simplify:  Simplified to (sqrt (cbrt (/ (- 1 x) (+ x 1))))
* * * * [misc]progress:  [ 47 / 74 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (* (sqrt (sqrt (/ (- 1 x) (+ 1 x)))) (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 (15 enodes)
* * [misc]simplify:  iters left: 4 (18 enodes)
* * [misc]simplify:  iters left: 3 (20 enodes)
* [exit]simplify:  Simplified to (sqrt (sqrt (/ (- 1 x) (+ x 1))))
* [exit]simplify:  Simplified to (sqrt (sqrt (/ (- 1 x) (+ x 1))))
* [enter]simplify:  Simplifying (sqrt (sqrt (/ (- 1 x) (+ 1 x))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (18 enodes)
* * [misc]simplify:  iters left: 3 (20 enodes)
* [exit]simplify:  Simplified to (sqrt (sqrt (/ (- 1 x) (+ x 1))))
* [exit]simplify:  Simplified to (sqrt (sqrt (/ (- 1 x) (+ x 1))))
* * * * [misc]progress:  [ 48 / 74 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (* (sqrt (/ (* (cbrt (- 1 x)) (cbrt (- 1 x))) (* (cbrt (+ 1 x)) (cbrt (+ 1 x))))) (sqrt (/ (cbrt (- 1 x)) (cbrt (+ 1 x))))))))>
* [enter]simplify:  Simplifying (sqrt (/ (* (cbrt (- 1 x)) (cbrt (- 1 x))) (* (cbrt (+ 1 x)) (cbrt (+ 1 x)))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (21 enodes)
* * [misc]simplify:  iters left: 4 (32 enodes)
* * [misc]simplify:  iters left: 3 (35 enodes)
* * [misc]simplify:  iters left: 2 (38 enodes)
* [exit]simplify:  Simplified to (fabs (/ (cbrt (- 1 x)) (cbrt (+ x 1))))
* [exit]simplify:  Simplified to (fabs (/ (cbrt (- 1 x)) (cbrt (+ x 1))))
* [enter]simplify:  Simplifying (sqrt (/ (cbrt (- 1 x)) (cbrt (+ 1 x))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* [exit]simplify:  Simplified to (sqrt (/ (cbrt (- 1 x)) (cbrt (+ x 1))))
* [exit]simplify:  Simplified to (sqrt (/ (cbrt (- 1 x)) (cbrt (+ x 1))))
* * * * [misc]progress:  [ 49 / 74 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (* (sqrt (/ (* (cbrt (- 1 x)) (cbrt (- 1 x))) (sqrt (+ 1 x)))) (sqrt (/ (cbrt (- 1 x)) (sqrt (+ 1 x))))))))>
* [enter]simplify:  Simplifying (sqrt (/ (* (cbrt (- 1 x)) (cbrt (- 1 x))) (sqrt (+ 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 (20 enodes)
* [exit]simplify:  Simplified to (sqrt (* (cbrt (- 1 x)) (/ (cbrt (- 1 x)) (sqrt (+ x 1)))))
* [exit]simplify:  Simplified to (sqrt (* (cbrt (- 1 x)) (/ (cbrt (- 1 x)) (sqrt (+ x 1)))))
* [enter]simplify:  Simplifying (sqrt (/ (cbrt (- 1 x)) (sqrt (+ 1 x))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* [exit]simplify:  Simplified to (sqrt (/ (cbrt (- 1 x)) (sqrt (+ x 1))))
* [exit]simplify:  Simplified to (sqrt (/ (cbrt (- 1 x)) (sqrt (+ x 1))))
* * * * [misc]progress:  [ 50 / 74 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (* (sqrt (/ (* (cbrt (- 1 x)) (cbrt (- 1 x))) 1)) (sqrt (/ (cbrt (- 1 x)) (+ 1 x)))))))>
* [enter]simplify:  Simplifying (sqrt (/ (* (cbrt (- 1 x)) (cbrt (- 1 x))) 1))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (21 enodes)
* * [misc]simplify:  iters left: 3 (23 enodes)
* * [misc]simplify:  iters left: 2 (32 enodes)
* [exit]simplify:  Simplified to (fabs (cbrt (- 1 x)))
* [exit]simplify:  Simplified to (fabs (cbrt (- 1 x)))
* [enter]simplify:  Simplifying (sqrt (/ (cbrt (- 1 x)) (+ 1 x)))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (13 enodes)
* [exit]simplify:  Simplified to (sqrt (/ (cbrt (- 1 x)) (+ x 1)))
* [exit]simplify:  Simplified to (sqrt (/ (cbrt (- 1 x)) (+ x 1)))
* * * * [misc]progress:  [ 51 / 74 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (* (sqrt (/ (sqrt (- 1 x)) (* (cbrt (+ 1 x)) (cbrt (+ 1 x))))) (sqrt (/ (sqrt (- 1 x)) (cbrt (+ 1 x))))))))>
* [enter]simplify:  Simplifying (sqrt (/ (sqrt (- 1 x)) (* (cbrt (+ 1 x)) (cbrt (+ 1 x)))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (17 enodes)
* [exit]simplify:  Simplified to (sqrt (/ (/ (sqrt (- 1 x)) (cbrt (+ x 1))) (cbrt (+ x 1))))
* [exit]simplify:  Simplified to (sqrt (/ (/ (sqrt (- 1 x)) (cbrt (+ x 1))) (cbrt (+ x 1))))
* [enter]simplify:  Simplifying (sqrt (/ (sqrt (- 1 x)) (cbrt (+ 1 x))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* [exit]simplify:  Simplified to (sqrt (/ (sqrt (- 1 x)) (cbrt (+ x 1))))
* [exit]simplify:  Simplified to (sqrt (/ (sqrt (- 1 x)) (cbrt (+ x 1))))
* * * * [misc]progress:  [ 52 / 74 ] 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 (13 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* [exit]simplify:  Simplified to (sqrt (/ (sqrt (- 1 x)) (sqrt (+ x 1))))
* [exit]simplify:  Simplified to (sqrt (/ (sqrt (- 1 x)) (sqrt (+ x 1))))
* [enter]simplify:  Simplifying (sqrt (/ (sqrt (- 1 x)) (sqrt (+ 1 x))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* [exit]simplify:  Simplified to (sqrt (/ (sqrt (- 1 x)) (sqrt (+ x 1))))
* [exit]simplify:  Simplified to (sqrt (/ (sqrt (- 1 x)) (sqrt (+ x 1))))
* * * * [misc]progress:  [ 53 / 74 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (* (sqrt (/ (sqrt (- 1 x)) 1)) (sqrt (/ (sqrt (- 1 x)) (+ 1 x)))))))>
* [enter]simplify:  Simplifying (sqrt (/ (sqrt (- 1 x)) 1))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (10 enodes)
* * [misc]simplify:  iters left: 4 (13 enodes)
* [exit]simplify:  Simplified to (sqrt (sqrt (- 1 x)))
* [exit]simplify:  Simplified to (sqrt (sqrt (- 1 x)))
* [enter]simplify:  Simplifying (sqrt (/ (sqrt (- 1 x)) (+ 1 x)))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (13 enodes)
* [exit]simplify:  Simplified to (sqrt (/ (sqrt (- 1 x)) (+ x 1)))
* [exit]simplify:  Simplified to (sqrt (/ (sqrt (- 1 x)) (+ x 1)))
* * * * [misc]progress:  [ 54 / 74 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (* (sqrt (/ 1 (* (cbrt (+ 1 x)) (cbrt (+ 1 x))))) (sqrt (/ (- 1 x) (cbrt (+ 1 x))))))))>
* [enter]simplify:  Simplifying (sqrt (/ 1 (* (cbrt (+ 1 x)) (cbrt (+ 1 x)))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* [exit]simplify:  Simplified to (sqrt (/ (/ 1 (cbrt (+ x 1))) (cbrt (+ x 1))))
* [exit]simplify:  Simplified to (sqrt (/ (/ 1 (cbrt (+ x 1))) (cbrt (+ x 1))))
* [enter]simplify:  Simplifying (sqrt (/ (- 1 x) (cbrt (+ 1 x))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (18 enodes)
* * [misc]simplify:  iters left: 3 (20 enodes)
* [exit]simplify:  Simplified to (sqrt (/ (- 1 x) (cbrt (+ x 1))))
* [exit]simplify:  Simplified to (sqrt (/ (- 1 x) (cbrt (+ x 1))))
* * * * [misc]progress:  [ 55 / 74 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (* (sqrt (/ 1 (sqrt (+ 1 x)))) (sqrt (/ (- 1 x) (sqrt (+ 1 x))))))))>
* [enter]simplify:  Simplifying (sqrt (/ 1 (sqrt (+ 1 x))))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (9 enodes)
* [exit]simplify:  Simplified to (sqrt (/ 1 (sqrt (+ x 1))))
* [exit]simplify:  Simplified to (sqrt (/ 1 (sqrt (+ x 1))))
* [enter]simplify:  Simplifying (sqrt (/ (- 1 x) (sqrt (+ 1 x))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (18 enodes)
* * [misc]simplify:  iters left: 3 (20 enodes)
* [exit]simplify:  Simplified to (sqrt (/ (- 1 x) (sqrt (+ x 1))))
* [exit]simplify:  Simplified to (sqrt (/ (- 1 x) (sqrt (+ x 1))))
* * * * [misc]progress:  [ 56 / 74 ] 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 1
* [exit]simplify:  Simplified to 1
* [enter]simplify:  Simplifying (sqrt (/ (- 1 x) (+ 1 x)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (17 enodes)
* * [misc]simplify:  iters left: 2 (19 enodes)
* [exit]simplify:  Simplified to (sqrt (/ (- 1 x) (+ x 1)))
* [exit]simplify:  Simplified to (sqrt (/ (- 1 x) (+ x 1)))
* * * * [misc]progress:  [ 57 / 74 ] 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 1
* [exit]simplify:  Simplified to 1
* [enter]simplify:  Simplifying (sqrt (/ (- 1 x) (+ 1 x)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (17 enodes)
* * [misc]simplify:  iters left: 2 (19 enodes)
* [exit]simplify:  Simplified to (sqrt (/ (- 1 x) (+ x 1)))
* [exit]simplify:  Simplified to (sqrt (/ (- 1 x) (+ x 1)))
* * * * [misc]progress:  [ 58 / 74 ] 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 (8 enodes)
* * [misc]simplify:  iters left: 1 (9 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 (+ x 1)))
* [exit]simplify:  Simplified to (sqrt (/ 1 (+ x 1)))
* * * * [misc]progress:  [ 59 / 74 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (* (sqrt (/ (- 1 x) (+ (pow 1 3) (pow x 3)))) (sqrt (+ (* 1 1) (- (* x 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 (22 enodes)
* * [misc]simplify:  iters left: 4 (25 enodes)
* * [misc]simplify:  iters left: 3 (27 enodes)
* [exit]simplify:  Simplified to (sqrt (/ (- 1 x) (+ 1 (pow x 3))))
* [exit]simplify:  Simplified to (sqrt (/ (- 1 x) (+ 1 (pow x 3))))
* [enter]simplify:  Simplifying (sqrt (+ (* 1 1) (- (* x x) (* 1 x))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (26 enodes)
* * [misc]simplify:  iters left: 3 (36 enodes)
* * [misc]simplify:  iters left: 2 (40 enodes)
* * [misc]simplify:  iters left: 1 (52 enodes)
* [exit]simplify:  Simplified to (sqrt (+ (* x x) (- 1 x)))
* [exit]simplify:  Simplified to (sqrt (+ (* x x) (- 1 x)))
* * * * [misc]progress:  [ 60 / 74 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (* (sqrt (/ (- 1 x) (- (* 1 1) (* x x)))) (sqrt (- 1 x))))))>
* [enter]simplify:  Simplifying (sqrt (/ (- 1 x) (- (* 1 1) (* x x))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (17 enodes)
* * [misc]simplify:  iters left: 4 (23 enodes)
* * [misc]simplify:  iters left: 3 (25 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 (8 enodes)
* * [misc]simplify:  iters left: 1 (9 enodes)
* [exit]simplify:  Simplified to (sqrt (- 1 x))
* [exit]simplify:  Simplified to (sqrt (- 1 x))
* * * * [misc]progress:  [ 61 / 74 ] 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 (8 enodes)
* * [misc]simplify:  iters left: 1 (9 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 (+ x 1))
* [exit]simplify:  Simplified to (sqrt (+ x 1))
* * * * [misc]progress:  [ 62 / 74 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (* (sqrt (sqrt (/ (- 1 x) (+ 1 x)))) (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 (15 enodes)
* * [misc]simplify:  iters left: 4 (18 enodes)
* * [misc]simplify:  iters left: 3 (20 enodes)
* [exit]simplify:  Simplified to (sqrt (sqrt (/ (- 1 x) (+ x 1))))
* [exit]simplify:  Simplified to (sqrt (sqrt (/ (- 1 x) (+ x 1))))
* [enter]simplify:  Simplifying (sqrt (sqrt (/ (- 1 x) (+ 1 x))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (18 enodes)
* * [misc]simplify:  iters left: 3 (20 enodes)
* [exit]simplify:  Simplified to (sqrt (sqrt (/ (- 1 x) (+ x 1))))
* [exit]simplify:  Simplified to (sqrt (sqrt (/ (- 1 x) (+ x 1))))
* * * * [misc]progress:  [ 63 / 74 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (fabs (sqrt (/ (- 1 x) (+ 1 x)))))))>
* * * * [misc]progress:  [ 64 / 74 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (fabs (/ (sqrt (- 1 x)) (sqrt (+ 1 x)))))))>
* * * * [misc]progress:  [ 65 / 74 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (* 1 (sqrt (/ (- 1 x) (+ 1 x)))))))>
* * * * [misc]progress:  [ 66 / 74 ] simplifiying candidate #<alt-event (λ (x) (* 2 (atan (sqrt (- (+ (* 2 (pow x 2)) 1) (* 2 x))))))>
* [enter]simplify:  Simplifying (* 2 (atan (sqrt (- (+ (* 2 (pow x 2)) 1) (* 2 x)))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (22 enodes)
* * [misc]simplify:  iters left: 4 (39 enodes)
* * [misc]simplify:  iters left: 3 (52 enodes)
* * [misc]simplify:  iters left: 2 (66 enodes)
* * [misc]simplify:  iters left: 1 (81 enodes)
* [exit]simplify:  Simplified to (* (atan (sqrt (- (* 2 (* x x)) (- (* x 2) 1)))) 2)
* * * * [misc]progress:  [ 67 / 74 ] simplifiying candidate #<alt-event (λ (x) (* 2 (atan (sqrt (- (* 2 (/ 1 x)) (+ 1 (* 2 (/ 1 (pow x 2)))))))))>
* [enter]simplify:  Simplifying (* 2 (atan (sqrt (- (* 2 (/ 1 x)) (+ 1 (* 2 (/ 1 (pow x 2))))))))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (27 enodes)
* * [misc]simplify:  iters left: 4 (40 enodes)
* * [misc]simplify:  iters left: 3 (80 enodes)
* * [misc]simplify:  iters left: 2 (122 enodes)
* * [misc]simplify:  iters left: 1 (189 enodes)
* [exit]simplify:  Simplified to (* 2 (atan (sqrt (- (+ (/ 2 x) -1) (/ 2 (* x x))))))
* * * * [misc]progress:  [ 68 / 74 ] simplifiying candidate #<alt-event (λ (x) (* 2 (atan (sqrt (- (* 2 (/ 1 x)) (+ 1 (* 2 (/ 1 (pow x 2)))))))))>
* [enter]simplify:  Simplifying (* 2 (atan (sqrt (- (* 2 (/ 1 x)) (+ 1 (* 2 (/ 1 (pow x 2))))))))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (27 enodes)
* * [misc]simplify:  iters left: 4 (40 enodes)
* * [misc]simplify:  iters left: 3 (80 enodes)
* * [misc]simplify:  iters left: 2 (122 enodes)
* * [misc]simplify:  iters left: 1 (189 enodes)
* [exit]simplify:  Simplified to (* 2 (atan (sqrt (- (+ (/ 2 x) -1) (/ 2 (* x x))))))
* * * * [misc]progress:  [ 69 / 74 ] 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 (18 enodes)
* * [misc]simplify:  iters left: 4 (21 enodes)
* * [misc]simplify:  iters left: 3 (23 enodes)
* [exit]simplify:  Simplified to (* (atan (sqrt (/ (- 1 x) (+ 1 x)))) 2)
* * * * [misc]progress:  [ 70 / 74 ] 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 (18 enodes)
* * [misc]simplify:  iters left: 4 (21 enodes)
* * [misc]simplify:  iters left: 3 (23 enodes)
* [exit]simplify:  Simplified to (* (atan (sqrt (/ (- 1 x) (+ 1 x)))) 2)
* * * * [misc]progress:  [ 71 / 74 ] 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 (18 enodes)
* * [misc]simplify:  iters left: 4 (21 enodes)
* * [misc]simplify:  iters left: 3 (23 enodes)
* [exit]simplify:  Simplified to (* (atan (sqrt (/ (- 1 x) (+ 1 x)))) 2)
* * * * [misc]progress:  [ 72 / 74 ] simplifiying candidate #<alt-event (λ (x) (* 2 (atan (- (+ (* 1/2 (pow x 2)) 1) x))))>
* [enter]simplify:  Simplifying (* 2 (atan (- (+ (* 1/2 (pow x 2)) 1) x)))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (20 enodes)
* * [misc]simplify:  iters left: 4 (32 enodes)
* * [misc]simplify:  iters left: 3 (40 enodes)
* * [misc]simplify:  iters left: 2 (42 enodes)
* * [misc]simplify:  iters left: 1 (56 enodes)
* [exit]simplify:  Simplified to (* 2 (atan (+ (- 1 x) (* (* x 1/2) x))))
* * * * [misc]progress:  [ 73 / 74 ] simplifiying candidate #<alt-event (λ (x) (* 2 (atan (- (+ (/ 1 (* (sqrt -1) x)) (sqrt -1)) (+ (/ 1 (* (sqrt -1) (pow x 2))) (* 1/2 (/ 1 (* (pow (sqrt -1) 3) (pow x 2)))))))))>
* [enter]simplify:  Simplifying (* 2 (atan (- (+ (/ 1 (* (sqrt -1) x)) (sqrt -1)) (+ (/ 1 (* (sqrt -1) (pow x 2))) (* 1/2 (/ 1 (* (pow (sqrt -1) 3) (pow x 2))))))))
* * [misc]simplify:  iters left: 6 (21 enodes)
* * [misc]simplify:  iters left: 5 (48 enodes)
* * [misc]simplify:  iters left: 4 (116 enodes)
* * [misc]simplify:  iters left: 3 (289 enodes)
* [exit]simplify:  Simplified to (* 2 (atan (- (- (/ (/ 1 x) 0+1i) (/ (/ 1 0+1i) (* x x))) (- (/ (/ (/ 1/2 0+1i) (* 0+1i 0+1i)) (* x x)) 0+1i))))
* * * * [misc]progress:  [ 74 / 74 ] simplifiying candidate #<alt-event (λ (x) (* 2 (atan (- (+ (/ 1 (* (sqrt -1) x)) (sqrt -1)) (+ (/ 1 (* (sqrt -1) (pow x 2))) (* 1/2 (/ 1 (* (pow (sqrt -1) 3) (pow x 2)))))))))>
* [enter]simplify:  Simplifying (* 2 (atan (- (+ (/ 1 (* (sqrt -1) x)) (sqrt -1)) (+ (/ 1 (* (sqrt -1) (pow x 2))) (* 1/2 (/ 1 (* (pow (sqrt -1) 3) (pow x 2))))))))
* * [misc]simplify:  iters left: 6 (21 enodes)
* * [misc]simplify:  iters left: 5 (48 enodes)
* * [misc]simplify:  iters left: 4 (116 enodes)
* * [misc]simplify:  iters left: 3 (289 enodes)
* [exit]simplify:  Simplified to (* 2 (atan (- (- (/ (/ 1 x) 0+1i) (/ (/ 1 0+1i) (* x x))) (- (/ (/ (/ 1/2 0+1i) (* 0+1i 0+1i)) (* x x)) 0+1i))))
* * * [misc]progress:  adding candidates to table