* [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 (17 enodes)
* [exit]simplify:  Simplified to (+ (atan (sqrt (/ (- 1 x) (+ 1 x)))) (atan (sqrt (/ (- 1 x) (+ 1 x)))))
* * [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 / 2 ] rewriting at (2 2 1 1)
* * * * [misc]progress:  [ 2 / 2 ] rewriting at (2 2)
* * * [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 (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 / 2 ] 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:  simplifying candidates
* * * * [misc]progress:  [ 1 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (log1p (expm1 (/ (- 1 x) (+ 1 x))))))))>
* [enter]simplify:  Simplifying (expm1 (/ (- 1 x) (+ 1 x)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* [exit]simplify:  Simplified to (expm1 (/ (- 1 x) (+ x 1)))
* [exit]simplify:  Simplified to (expm1 (/ (- 1 x) (+ x 1)))
* * * * [misc]progress:  [ 2 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (expm1 (log1p (/ (- 1 x) (+ 1 x))))))))>
* [enter]simplify:  Simplifying (log1p (/ (- 1 x) (+ 1 x)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* [exit]simplify:  Simplified to (log1p (/ (- 1 x) (+ x 1)))
* [exit]simplify:  Simplified to (log1p (/ (- 1 x) (+ x 1)))
* * * * [misc]progress:  [ 3 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (pow (/ (- 1 x) (+ 1 x)) 1)))))>
* * * * [misc]progress:  [ 4 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (exp (- (log (- 1 x)) (log (+ 1 x))))))))>
* [enter]simplify:  Simplifying (- (log (- 1 x)) (log (+ 1 x)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* [exit]simplify:  Simplified to (- (log (- 1 x)) (log1p x))
* [exit]simplify:  Simplified to (- (log (- 1 x)) (log1p x))
* * * * [misc]progress:  [ 5 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (exp (log (/ (- 1 x) (+ 1 x))))))))>
* [enter]simplify:  Simplifying (log (/ (- 1 x) (+ 1 x)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (15 enodes)
* * [misc]simplify:  iters left: 3 (16 enodes)
* [exit]simplify:  Simplified to (log (/ (- 1 x) (+ x 1)))
* [exit]simplify:  Simplified to (log (/ (- 1 x) (+ x 1)))
* * * * [misc]progress:  [ 6 / 49 ] 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) (+ x 1)))
* [exit]simplify:  Simplified to (exp (/ (- 1 x) (+ x 1)))
* * * * [misc]progress:  [ 7 / 49 ] 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 (29 enodes)
* * [misc]simplify:  iters left: 4 (74 enodes)
* * [misc]simplify:  iters left: 3 (190 enodes)
* * [misc]simplify:  iters left: 2 (270 enodes)
* * [misc]simplify:  iters left: 1 (380 enodes)
* [exit]simplify:  Simplified to (pow (/ (- 1 x) (+ x 1)) 3)
* [exit]simplify:  Simplified to (pow (/ (- 1 x) (+ x 1)) 3)
* * * * [misc]progress:  [ 8 / 49 ] 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 (13 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 (12 enodes)
* [exit]simplify:  Simplified to (cbrt (/ (- 1 x) (+ x 1)))
* [exit]simplify:  Simplified to (cbrt (/ (- 1 x) (+ x 1)))
* * * * [misc]progress:  [ 9 / 49 ] 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 (18 enodes)
* * [misc]simplify:  iters left: 4 (28 enodes)
* * [misc]simplify:  iters left: 3 (39 enodes)
* * [misc]simplify:  iters left: 2 (63 enodes)
* * [misc]simplify:  iters left: 1 (112 enodes)
* [exit]simplify:  Simplified to (pow (/ (- 1 x) (+ x 1)) 3)
* [exit]simplify:  Simplified to (pow (/ (- 1 x) (+ x 1)) 3)
* * * * [misc]progress:  [ 10 / 49 ] 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 (12 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 (12 enodes)
* [exit]simplify:  Simplified to (sqrt (/ (- 1 x) (+ x 1)))
* [exit]simplify:  Simplified to (sqrt (/ (- 1 x) (+ x 1)))
* * * * [misc]progress:  [ 11 / 49 ] 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 (- (+ x 1))
* [exit]simplify:  Simplified to (- (+ x 1))
* * * * [misc]progress:  [ 12 / 49 ] 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:  [ 13 / 49 ] 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 (18 enodes)
* * [misc]simplify:  iters left: 4 (25 enodes)
* * [misc]simplify:  iters left: 3 (30 enodes)
* * [misc]simplify:  iters left: 2 (33 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 (10 enodes)
* [exit]simplify:  Simplified to (/ (cbrt (- 1 x)) (cbrt (+ x 1)))
* [exit]simplify:  Simplified to (/ (cbrt (- 1 x)) (cbrt (+ x 1)))
* * * * [misc]progress:  [ 14 / 49 ] 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 (13 enodes)
* * [misc]simplify:  iters left: 4 (15 enodes)
* * [misc]simplify:  iters left: 3 (16 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 (10 enodes)
* [exit]simplify:  Simplified to (/ (cbrt (- 1 x)) (sqrt (+ x 1)))
* [exit]simplify:  Simplified to (/ (cbrt (- 1 x)) (sqrt (+ x 1)))
* * * * [misc]progress:  [ 15 / 49 ] 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 (10 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* [exit]simplify:  Simplified to (* (/ (cbrt (- 1 x)) 1) (cbrt (- 1 x)))
* [exit]simplify:  Simplified to (* (/ (cbrt (- 1 x)) 1) (cbrt (- 1 x)))
* [enter]simplify:  Simplifying (/ (cbrt (- 1 x)) (+ 1 x))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* [exit]simplify:  Simplified to (/ (cbrt (- 1 x)) (+ x 1))
* [exit]simplify:  Simplified to (/ (cbrt (- 1 x)) (+ x 1))
* * * * [misc]progress:  [ 16 / 49 ] 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 (13 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 (10 enodes)
* [exit]simplify:  Simplified to (/ (sqrt (- 1 x)) (cbrt (+ x 1)))
* [exit]simplify:  Simplified to (/ (sqrt (- 1 x)) (cbrt (+ x 1)))
* * * * [misc]progress:  [ 17 / 49 ] 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 (10 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 (10 enodes)
* [exit]simplify:  Simplified to (/ (sqrt (- 1 x)) (sqrt (+ x 1)))
* [exit]simplify:  Simplified to (/ (sqrt (- 1 x)) (sqrt (+ x 1)))
* * * * [misc]progress:  [ 18 / 49 ] 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 (7 enodes)
* [exit]simplify:  Simplified to (/ (sqrt (- 1 x)) 1)
* [exit]simplify:  Simplified to (/ (sqrt (- 1 x)) 1)
* [enter]simplify:  Simplifying (/ (sqrt (- 1 x)) (+ 1 x))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* [exit]simplify:  Simplified to (/ (sqrt (- 1 x)) (+ x 1))
* [exit]simplify:  Simplified to (/ (sqrt (- 1 x)) (+ x 1))
* * * * [misc]progress:  [ 19 / 49 ] 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 (12 enodes)
* [exit]simplify:  Simplified to (/ (- 1 x) (cbrt (+ x 1)))
* [exit]simplify:  Simplified to (/ (- 1 x) (cbrt (+ x 1)))
* * * * [misc]progress:  [ 20 / 49 ] 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 (12 enodes)
* [exit]simplify:  Simplified to (/ (- 1 x) (sqrt (+ x 1)))
* [exit]simplify:  Simplified to (/ (- 1 x) (sqrt (+ x 1)))
* * * * [misc]progress:  [ 21 / 49 ] 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) (+ x 1))
* [exit]simplify:  Simplified to (/ (- 1 x) (+ x 1))
* * * * [misc]progress:  [ 22 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (* 1 (/ (- 1 x) (+ 1 x)))))))>
* * * * [misc]progress:  [ 23 / 49 ] 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:  [ 24 / 49 ] 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 (/ (+ x 1) (- 1 x))
* [exit]simplify:  Simplified to (/ (+ x 1) (- 1 x))
* * * * [misc]progress:  [ 25 / 49 ] 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 (15 enodes)
* * [misc]simplify:  iters left: 4 (20 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:  [ 26 / 49 ] 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 (12 enodes)
* [exit]simplify:  Simplified to (/ (- 1 x) (sqrt (+ x 1)))
* [exit]simplify:  Simplified to (/ (- 1 x) (sqrt (+ x 1)))
* * * * [misc]progress:  [ 27 / 49 ] 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:  [ 28 / 49 ] 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 (9 enodes)
* [exit]simplify:  Simplified to (/ (+ x 1) (cbrt (- 1 x)))
* [exit]simplify:  Simplified to (/ (+ x 1) (cbrt (- 1 x)))
* * * * [misc]progress:  [ 29 / 49 ] 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 (9 enodes)
* [exit]simplify:  Simplified to (/ (+ x 1) (sqrt (- 1 x)))
* [exit]simplify:  Simplified to (/ (+ x 1) (sqrt (- 1 x)))
* * * * [misc]progress:  [ 30 / 49 ] 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 (/ (+ x 1) (- 1 x))
* [exit]simplify:  Simplified to (/ (+ x 1) (- 1 x))
* * * * [misc]progress:  [ 31 / 49 ] 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 (19 enodes)
* * [misc]simplify:  iters left: 3 (21 enodes)
* * [misc]simplify:  iters left: 2 (22 enodes)
* [exit]simplify:  Simplified to (/ (- 1 x) (fma x (* x x) 1))
* [exit]simplify:  Simplified to (/ (- 1 x) (fma x (* x x) 1))
* * * * [misc]progress:  [ 32 / 49 ] 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 (14 enodes)
* * [misc]simplify:  iters left: 4 (17 enodes)
* [exit]simplify:  Simplified to (/ (- 1 x) (- 1 (* x x)))
* [exit]simplify:  Simplified to (/ (- 1 x) (- 1 (* x x)))
* * * * [misc]progress:  [ 33 / 49 ] 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 (24 enodes)
* * [misc]simplify:  iters left: 4 (65 enodes)
* * [misc]simplify:  iters left: 3 (106 enodes)
* * [misc]simplify:  iters left: 2 (147 enodes)
* * [misc]simplify:  iters left: 1 (197 enodes)
* [exit]simplify:  Simplified to (fma (fma x x 1) (+ x 1) (fma x x x))
* [exit]simplify:  Simplified to (fma (fma x x 1) (+ x 1) (fma x x x))
* * * * [misc]progress:  [ 34 / 49 ] 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 (20 enodes)
* * [misc]simplify:  iters left: 1 (28 enodes)
* [exit]simplify:  Simplified to (* (+ x 1) (+ x 1))
* [exit]simplify:  Simplified to (* (+ x 1) (+ x 1))
* * * * [misc]progress:  [ 35 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (log1p (expm1 (atan (sqrt (/ (- 1 x) (+ 1 x))))))))>
* [enter]simplify:  Simplifying (expm1 (atan (sqrt (/ (- 1 x) (+ 1 x)))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* [exit]simplify:  Simplified to (expm1 (atan (sqrt (/ (- 1 x) (+ x 1)))))
* [exit]simplify:  Simplified to (expm1 (atan (sqrt (/ (- 1 x) (+ x 1)))))
* * * * [misc]progress:  [ 36 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (expm1 (log1p (atan (sqrt (/ (- 1 x) (+ 1 x))))))))>
* [enter]simplify:  Simplifying (log1p (atan (sqrt (/ (- 1 x) (+ 1 x)))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* [exit]simplify:  Simplified to (log1p (atan (sqrt (/ (- 1 x) (+ x 1)))))
* [exit]simplify:  Simplified to (log1p (atan (sqrt (/ (- 1 x) (+ x 1)))))
* * * * [misc]progress:  [ 37 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (pow (atan (sqrt (/ (- 1 x) (+ 1 x)))) 1)))>
* * * * [misc]progress:  [ 38 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (exp (log (atan (sqrt (/ (- 1 x) (+ 1 x))))))))>
* [enter]simplify:  Simplifying (log (atan (sqrt (/ (- 1 x) (+ 1 x)))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* [exit]simplify:  Simplified to (log (atan (sqrt (/ (- 1 x) (+ x 1)))))
* [exit]simplify:  Simplified to (log (atan (sqrt (/ (- 1 x) (+ x 1)))))
* * * * [misc]progress:  [ 39 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (log (exp (atan (sqrt (/ (- 1 x) (+ 1 x))))))))>
* [enter]simplify:  Simplifying (exp (atan (sqrt (/ (- 1 x) (+ 1 x)))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* [exit]simplify:  Simplified to (exp (atan (sqrt (/ (- 1 x) (+ x 1)))))
* [exit]simplify:  Simplified to (exp (atan (sqrt (/ (- 1 x) (+ x 1)))))
* * * * [misc]progress:  [ 40 / 49 ] 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 (15 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 (14 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:  [ 41 / 49 ] 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 (16 enodes)
* * [misc]simplify:  iters left: 4 (18 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:  [ 42 / 49 ] 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 (14 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 (14 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:  [ 43 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (* 1 (atan (sqrt (/ (- 1 x) (+ 1 x)))))))>
* * * * [misc]progress:  [ 44 / 49 ] 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 (24 enodes)
* * [misc]simplify:  iters left: 4 (37 enodes)
* * [misc]simplify:  iters left: 3 (50 enodes)
* * [misc]simplify:  iters left: 2 (63 enodes)
* * [misc]simplify:  iters left: 1 (95 enodes)
* [exit]simplify:  Simplified to (+ (atan (sqrt (- (fma x (+ x x) 1) (+ x x)))) (atan (sqrt (- (fma x (+ x x) 1) (+ x x)))))
* * * * [misc]progress:  [ 45 / 49 ] 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 (30 enodes)
* * [misc]simplify:  iters left: 4 (48 enodes)
* * [misc]simplify:  iters left: 3 (72 enodes)
* * [misc]simplify:  iters left: 2 (107 enodes)
* * [misc]simplify:  iters left: 1 (136 enodes)
* [exit]simplify:  Simplified to (* 2 (atan (sqrt (- (/ 2 x) (fma (/ 1 x) (/ 2 x) 1)))))
* * * * [misc]progress:  [ 46 / 49 ] 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 (30 enodes)
* * [misc]simplify:  iters left: 4 (48 enodes)
* * [misc]simplify:  iters left: 3 (72 enodes)
* * [misc]simplify:  iters left: 2 (107 enodes)
* * [misc]simplify:  iters left: 1 (136 enodes)
* [exit]simplify:  Simplified to (* 2 (atan (sqrt (- (/ 2 x) (fma (/ 1 x) (/ 2 x) 1)))))
* * * * [misc]progress:  [ 47 / 49 ] 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 (17 enodes)
* [exit]simplify:  Simplified to (+ (atan (sqrt (/ (- 1 x) (+ 1 x)))) (atan (sqrt (/ (- 1 x) (+ 1 x)))))
* * * * [misc]progress:  [ 48 / 49 ] 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 (17 enodes)
* [exit]simplify:  Simplified to (+ (atan (sqrt (/ (- 1 x) (+ 1 x)))) (atan (sqrt (/ (- 1 x) (+ 1 x)))))
* * * * [misc]progress:  [ 49 / 49 ] 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 (17 enodes)
* [exit]simplify:  Simplified to (+ (atan (sqrt (/ (- 1 x) (+ 1 x)))) (atan (sqrt (/ (- 1 x) (+ 1 x)))))
* * * [misc]progress:  adding candidates to table
* * [misc]progress:  iteration 2 / 4
* * * [misc]progress:  picking best candidate
* * * * [misc]pick:  Picked  #<alt-delta (λ (x) (* 2 (atan (sqrt (expm1 (log1p (/ (- 1 x) (+ 1 x))))))))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 2 ] rewriting at (2 2 1 1 1 1)
* * * * [misc]progress:  [ 2 / 2 ] rewriting at (2 2)
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 2 ] generating series at (2 2 1 1 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 / 2 ] generating series at (2 2)
* [misc]approximate:  Taking taylor expansion of (atan (sqrt (expm1 (log1p (/ (- 1 x) (+ 1 x)))))) in (x) around 0
* [misc]taylor:  Taking taylor expansion of (atan (sqrt (expm1 (log1p (/ (- 1 x) (+ 1 x)))))) in x
* [misc]backup-simplify:  Simplify (atan (sqrt (expm1 (log1p (/ (- 1 x) (+ 1 x)))))) into (atan (sqrt (expm1 (log1p (/ (- 1 x) (+ 1 x))))))
* [misc]taylor:  Taking taylor expansion of (atan (sqrt (expm1 (log1p (/ (- 1 x) (+ 1 x)))))) in x
* [misc]backup-simplify:  Simplify (atan (sqrt (expm1 (log1p (/ (- 1 x) (+ 1 x)))))) into (atan (sqrt (expm1 (log1p (/ (- 1 x) (+ 1 x))))))
* [misc]backup-simplify:  Simplify (atan (sqrt (expm1 (log1p (/ (- 1 x) (+ 1 x)))))) into (atan (sqrt (expm1 (log1p (/ (- 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 (expm1 (log1p (/ (- 1 x) (+ 1 x)))))) into (atan (sqrt (expm1 (log1p (/ (- 1 x) (+ 1 x))))))
* [misc]approximate:  Taking taylor expansion of (atan (sqrt (expm1 (log1p (/ (- 1 (/ 1 x)) (+ 1 (/ 1 x))))))) in (x) around 0
* [misc]taylor:  Taking taylor expansion of (atan (sqrt (expm1 (log1p (/ (- 1 (/ 1 x)) (+ 1 (/ 1 x))))))) in x
* [misc]backup-simplify:  Simplify (atan (sqrt (expm1 (log1p (/ (- 1 (/ 1 x)) (+ 1 (/ 1 x))))))) into (atan (sqrt (expm1 (log1p (/ (- 1 (/ 1 x)) (+ 1 (/ 1 x)))))))
* [misc]taylor:  Taking taylor expansion of (atan (sqrt (expm1 (log1p (/ (- 1 (/ 1 x)) (+ 1 (/ 1 x))))))) in x
* [misc]backup-simplify:  Simplify (atan (sqrt (expm1 (log1p (/ (- 1 (/ 1 x)) (+ 1 (/ 1 x))))))) into (atan (sqrt (expm1 (log1p (/ (- 1 (/ 1 x)) (+ 1 (/ 1 x)))))))
* [misc]backup-simplify:  Simplify (atan (sqrt (expm1 (log1p (/ (- 1 (/ 1 x)) (+ 1 (/ 1 x))))))) into (atan (sqrt (expm1 (log1p (/ (- 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 (expm1 (log1p (/ (- 1 (/ 1 (/ 1 x))) (+ 1 (/ 1 (/ 1 x)))))))) into (atan (sqrt (expm1 (log1p (/ (- 1 x) (+ 1 x))))))
* [misc]approximate:  Taking taylor expansion of (atan (sqrt (expm1 (log1p (/ (- 1 (/ 1 (- x))) (+ 1 (/ 1 (- x)))))))) in (x) around 0
* [misc]taylor:  Taking taylor expansion of (atan (sqrt (expm1 (log1p (/ (- 1 (/ 1 (- x))) (+ 1 (/ 1 (- x)))))))) in x
* [misc]backup-simplify:  Simplify (atan (sqrt (expm1 (log1p (/ (- 1 (/ 1 (- x))) (+ 1 (/ 1 (- x)))))))) into (atan (sqrt (expm1 (log1p (/ (+ 1 (/ 1 x)) (- 1 (/ 1 x)))))))
* [misc]taylor:  Taking taylor expansion of (atan (sqrt (expm1 (log1p (/ (- 1 (/ 1 (- x))) (+ 1 (/ 1 (- x)))))))) in x
* [misc]backup-simplify:  Simplify (atan (sqrt (expm1 (log1p (/ (- 1 (/ 1 (- x))) (+ 1 (/ 1 (- x)))))))) into (atan (sqrt (expm1 (log1p (/ (+ 1 (/ 1 x)) (- 1 (/ 1 x)))))))
* [misc]backup-simplify:  Simplify (atan (sqrt (expm1 (log1p (/ (+ 1 (/ 1 x)) (- 1 (/ 1 x))))))) into (atan (sqrt (expm1 (log1p (/ (+ 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 (expm1 (log1p (/ (+ 1 (/ 1 (/ 1 (- x)))) (- 1 (/ 1 (/ 1 (- x))))))))) into (atan (sqrt (expm1 (log1p (/ (- 1 x) (+ 1 x))))))
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (expm1 (log1p (log1p (expm1 (/ (- 1 x) (+ 1 x))))))))))>
* [enter]simplify:  Simplifying (expm1 (/ (- 1 x) (+ 1 x)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* [exit]simplify:  Simplified to (expm1 (/ (- 1 x) (+ x 1)))
* [exit]simplify:  Simplified to (expm1 (/ (- 1 x) (+ x 1)))
* * * * [misc]progress:  [ 2 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (expm1 (log1p (expm1 (log1p (/ (- 1 x) (+ 1 x))))))))))>
* [enter]simplify:  Simplifying (log1p (/ (- 1 x) (+ 1 x)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* [exit]simplify:  Simplified to (log1p (/ (- 1 x) (+ x 1)))
* [exit]simplify:  Simplified to (log1p (/ (- 1 x) (+ x 1)))
* * * * [misc]progress:  [ 3 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (expm1 (log1p (pow (/ (- 1 x) (+ 1 x)) 1)))))))>
* * * * [misc]progress:  [ 4 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (expm1 (log1p (exp (- (log (- 1 x)) (log (+ 1 x))))))))))>
* [enter]simplify:  Simplifying (- (log (- 1 x)) (log (+ 1 x)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* [exit]simplify:  Simplified to (- (log (- 1 x)) (log1p x))
* [exit]simplify:  Simplified to (- (log (- 1 x)) (log1p x))
* * * * [misc]progress:  [ 5 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (expm1 (log1p (exp (log (/ (- 1 x) (+ 1 x))))))))))>
* [enter]simplify:  Simplifying (log (/ (- 1 x) (+ 1 x)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (15 enodes)
* * [misc]simplify:  iters left: 3 (16 enodes)
* [exit]simplify:  Simplified to (log (/ (- 1 x) (+ x 1)))
* [exit]simplify:  Simplified to (log (/ (- 1 x) (+ x 1)))
* * * * [misc]progress:  [ 6 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (expm1 (log1p (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) (+ x 1)))
* [exit]simplify:  Simplified to (exp (/ (- 1 x) (+ x 1)))
* * * * [misc]progress:  [ 7 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (expm1 (log1p (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 (29 enodes)
* * [misc]simplify:  iters left: 4 (74 enodes)
* * [misc]simplify:  iters left: 3 (190 enodes)
* * [misc]simplify:  iters left: 2 (270 enodes)
* * [misc]simplify:  iters left: 1 (380 enodes)
* [exit]simplify:  Simplified to (pow (/ (- 1 x) (+ x 1)) 3)
* [exit]simplify:  Simplified to (pow (/ (- 1 x) (+ x 1)) 3)
* * * * [misc]progress:  [ 8 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (expm1 (log1p (* (* (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 (13 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 (12 enodes)
* [exit]simplify:  Simplified to (cbrt (/ (- 1 x) (+ x 1)))
* [exit]simplify:  Simplified to (cbrt (/ (- 1 x) (+ x 1)))
* * * * [misc]progress:  [ 9 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (expm1 (log1p (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 (18 enodes)
* * [misc]simplify:  iters left: 4 (28 enodes)
* * [misc]simplify:  iters left: 3 (39 enodes)
* * [misc]simplify:  iters left: 2 (63 enodes)
* * [misc]simplify:  iters left: 1 (112 enodes)
* [exit]simplify:  Simplified to (pow (/ (- 1 x) (+ x 1)) 3)
* [exit]simplify:  Simplified to (pow (/ (- 1 x) (+ x 1)) 3)
* * * * [misc]progress:  [ 10 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (expm1 (log1p (* (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 (12 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 (12 enodes)
* [exit]simplify:  Simplified to (sqrt (/ (- 1 x) (+ x 1)))
* [exit]simplify:  Simplified to (sqrt (/ (- 1 x) (+ x 1)))
* * * * [misc]progress:  [ 11 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (expm1 (log1p (/ (- (- 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 (- (+ x 1))
* [exit]simplify:  Simplified to (- (+ x 1))
* * * * [misc]progress:  [ 12 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (expm1 (log1p (- (/ 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:  [ 13 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (expm1 (log1p (* (/ (* (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 (18 enodes)
* * [misc]simplify:  iters left: 4 (25 enodes)
* * [misc]simplify:  iters left: 3 (30 enodes)
* * [misc]simplify:  iters left: 2 (33 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 (10 enodes)
* [exit]simplify:  Simplified to (/ (cbrt (- 1 x)) (cbrt (+ x 1)))
* [exit]simplify:  Simplified to (/ (cbrt (- 1 x)) (cbrt (+ x 1)))
* * * * [misc]progress:  [ 14 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (expm1 (log1p (* (/ (* (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 (13 enodes)
* * [misc]simplify:  iters left: 4 (15 enodes)
* * [misc]simplify:  iters left: 3 (16 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 (10 enodes)
* [exit]simplify:  Simplified to (/ (cbrt (- 1 x)) (sqrt (+ x 1)))
* [exit]simplify:  Simplified to (/ (cbrt (- 1 x)) (sqrt (+ x 1)))
* * * * [misc]progress:  [ 15 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (expm1 (log1p (* (/ (* (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 (10 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* [exit]simplify:  Simplified to (* (/ (cbrt (- 1 x)) 1) (cbrt (- 1 x)))
* [exit]simplify:  Simplified to (* (/ (cbrt (- 1 x)) 1) (cbrt (- 1 x)))
* [enter]simplify:  Simplifying (/ (cbrt (- 1 x)) (+ 1 x))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* [exit]simplify:  Simplified to (/ (cbrt (- 1 x)) (+ x 1))
* [exit]simplify:  Simplified to (/ (cbrt (- 1 x)) (+ x 1))
* * * * [misc]progress:  [ 16 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (expm1 (log1p (* (/ (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 (13 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 (10 enodes)
* [exit]simplify:  Simplified to (/ (sqrt (- 1 x)) (cbrt (+ x 1)))
* [exit]simplify:  Simplified to (/ (sqrt (- 1 x)) (cbrt (+ x 1)))
* * * * [misc]progress:  [ 17 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (expm1 (log1p (* (/ (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 (10 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 (10 enodes)
* [exit]simplify:  Simplified to (/ (sqrt (- 1 x)) (sqrt (+ x 1)))
* [exit]simplify:  Simplified to (/ (sqrt (- 1 x)) (sqrt (+ x 1)))
* * * * [misc]progress:  [ 18 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (expm1 (log1p (* (/ (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 (7 enodes)
* [exit]simplify:  Simplified to (/ (sqrt (- 1 x)) 1)
* [exit]simplify:  Simplified to (/ (sqrt (- 1 x)) 1)
* [enter]simplify:  Simplifying (/ (sqrt (- 1 x)) (+ 1 x))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* [exit]simplify:  Simplified to (/ (sqrt (- 1 x)) (+ x 1))
* [exit]simplify:  Simplified to (/ (sqrt (- 1 x)) (+ x 1))
* * * * [misc]progress:  [ 19 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (expm1 (log1p (* (/ 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 (12 enodes)
* [exit]simplify:  Simplified to (/ (- 1 x) (cbrt (+ x 1)))
* [exit]simplify:  Simplified to (/ (- 1 x) (cbrt (+ x 1)))
* * * * [misc]progress:  [ 20 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (expm1 (log1p (* (/ 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 (12 enodes)
* [exit]simplify:  Simplified to (/ (- 1 x) (sqrt (+ x 1)))
* [exit]simplify:  Simplified to (/ (- 1 x) (sqrt (+ x 1)))
* * * * [misc]progress:  [ 21 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (expm1 (log1p (* (/ 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) (+ x 1))
* [exit]simplify:  Simplified to (/ (- 1 x) (+ x 1))
* * * * [misc]progress:  [ 22 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (expm1 (log1p (* 1 (/ (- 1 x) (+ 1 x)))))))))>
* * * * [misc]progress:  [ 23 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (expm1 (log1p (* (- 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:  [ 24 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (expm1 (log1p (/ 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 (/ (+ x 1) (- 1 x))
* [exit]simplify:  Simplified to (/ (+ x 1) (- 1 x))
* * * * [misc]progress:  [ 25 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (expm1 (log1p (/ (/ (- 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 (15 enodes)
* * [misc]simplify:  iters left: 4 (20 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:  [ 26 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (expm1 (log1p (/ (/ (- 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 (12 enodes)
* [exit]simplify:  Simplified to (/ (- 1 x) (sqrt (+ x 1)))
* [exit]simplify:  Simplified to (/ (- 1 x) (sqrt (+ x 1)))
* * * * [misc]progress:  [ 27 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (expm1 (log1p (/ (/ (- 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:  [ 28 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (expm1 (log1p (/ (* (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 (9 enodes)
* [exit]simplify:  Simplified to (/ (+ x 1) (cbrt (- 1 x)))
* [exit]simplify:  Simplified to (/ (+ x 1) (cbrt (- 1 x)))
* * * * [misc]progress:  [ 29 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (expm1 (log1p (/ (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 (9 enodes)
* [exit]simplify:  Simplified to (/ (+ x 1) (sqrt (- 1 x)))
* [exit]simplify:  Simplified to (/ (+ x 1) (sqrt (- 1 x)))
* * * * [misc]progress:  [ 30 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (expm1 (log1p (/ 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 (/ (+ x 1) (- 1 x))
* [exit]simplify:  Simplified to (/ (+ x 1) (- 1 x))
* * * * [misc]progress:  [ 31 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (expm1 (log1p (* (/ (- 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 (19 enodes)
* * [misc]simplify:  iters left: 3 (21 enodes)
* * [misc]simplify:  iters left: 2 (22 enodes)
* [exit]simplify:  Simplified to (/ (- 1 x) (fma x (* x x) 1))
* [exit]simplify:  Simplified to (/ (- 1 x) (fma x (* x x) 1))
* * * * [misc]progress:  [ 32 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (expm1 (log1p (* (/ (- 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 (14 enodes)
* * [misc]simplify:  iters left: 4 (17 enodes)
* [exit]simplify:  Simplified to (/ (- 1 x) (- 1 (* x x)))
* [exit]simplify:  Simplified to (/ (- 1 x) (- 1 (* x x)))
* * * * [misc]progress:  [ 33 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (expm1 (log1p (/ (- (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 (24 enodes)
* * [misc]simplify:  iters left: 4 (65 enodes)
* * [misc]simplify:  iters left: 3 (106 enodes)
* * [misc]simplify:  iters left: 2 (147 enodes)
* * [misc]simplify:  iters left: 1 (197 enodes)
* [exit]simplify:  Simplified to (fma (fma x x 1) (+ x 1) (fma x x x))
* [exit]simplify:  Simplified to (fma (fma x x 1) (+ x 1) (fma x x x))
* * * * [misc]progress:  [ 34 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (expm1 (log1p (/ (- (* 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 (20 enodes)
* * [misc]simplify:  iters left: 1 (28 enodes)
* [exit]simplify:  Simplified to (* (+ x 1) (+ x 1))
* [exit]simplify:  Simplified to (* (+ x 1) (+ x 1))
* * * * [misc]progress:  [ 35 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (log1p (expm1 (atan (sqrt (expm1 (log1p (/ (- 1 x) (+ 1 x))))))))))>
* [enter]simplify:  Simplifying (expm1 (atan (sqrt (expm1 (log1p (/ (- 1 x) (+ 1 x)))))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* [exit]simplify:  Simplified to (expm1 (atan (sqrt (/ (- 1 x) (+ x 1)))))
* [exit]simplify:  Simplified to (expm1 (atan (sqrt (/ (- 1 x) (+ x 1)))))
* * * * [misc]progress:  [ 36 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (expm1 (log1p (atan (sqrt (expm1 (log1p (/ (- 1 x) (+ 1 x))))))))))>
* [enter]simplify:  Simplifying (log1p (atan (sqrt (expm1 (log1p (/ (- 1 x) (+ 1 x)))))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* [exit]simplify:  Simplified to (log1p (atan (sqrt (/ (- 1 x) (+ x 1)))))
* [exit]simplify:  Simplified to (log1p (atan (sqrt (/ (- 1 x) (+ x 1)))))
* * * * [misc]progress:  [ 37 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (pow (atan (sqrt (expm1 (log1p (/ (- 1 x) (+ 1 x)))))) 1)))>
* * * * [misc]progress:  [ 38 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (exp (log (atan (sqrt (expm1 (log1p (/ (- 1 x) (+ 1 x))))))))))>
* [enter]simplify:  Simplifying (log (atan (sqrt (expm1 (log1p (/ (- 1 x) (+ 1 x)))))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (16 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:  [ 39 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (log (exp (atan (sqrt (expm1 (log1p (/ (- 1 x) (+ 1 x))))))))))>
* [enter]simplify:  Simplifying (exp (atan (sqrt (expm1 (log1p (/ (- 1 x) (+ 1 x)))))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (16 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:  [ 40 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (* (* (cbrt (atan (sqrt (expm1 (log1p (/ (- 1 x) (+ 1 x))))))) (cbrt (atan (sqrt (expm1 (log1p (/ (- 1 x) (+ 1 x)))))))) (cbrt (atan (sqrt (expm1 (log1p (/ (- 1 x) (+ 1 x))))))))))>
* [enter]simplify:  Simplifying (* (cbrt (atan (sqrt (expm1 (log1p (/ (- 1 x) (+ 1 x))))))) (cbrt (atan (sqrt (expm1 (log1p (/ (- 1 x) (+ 1 x))))))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (17 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 (expm1 (log1p (/ (- 1 x) (+ 1 x)))))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (16 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:  [ 41 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (cbrt (* (* (atan (sqrt (expm1 (log1p (/ (- 1 x) (+ 1 x)))))) (atan (sqrt (expm1 (log1p (/ (- 1 x) (+ 1 x))))))) (atan (sqrt (expm1 (log1p (/ (- 1 x) (+ 1 x))))))))))>
* [enter]simplify:  Simplifying (* (* (atan (sqrt (expm1 (log1p (/ (- 1 x) (+ 1 x)))))) (atan (sqrt (expm1 (log1p (/ (- 1 x) (+ 1 x))))))) (atan (sqrt (expm1 (log1p (/ (- 1 x) (+ 1 x)))))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (20 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:  [ 42 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (* (sqrt (atan (sqrt (expm1 (log1p (/ (- 1 x) (+ 1 x))))))) (sqrt (atan (sqrt (expm1 (log1p (/ (- 1 x) (+ 1 x))))))))))>
* [enter]simplify:  Simplifying (sqrt (atan (sqrt (expm1 (log1p (/ (- 1 x) (+ 1 x)))))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (16 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 (expm1 (log1p (/ (- 1 x) (+ 1 x)))))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (16 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:  [ 43 / 49 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (* 1 (atan (sqrt (expm1 (log1p (/ (- 1 x) (+ 1 x)))))))))>
* * * * [misc]progress:  [ 44 / 49 ] simplifiying candidate #<alt-event (λ (x) (* 2 (atan (sqrt (expm1 (log1p (- (+ (* 2 (pow x 2)) 1) (* 2 x))))))))>
* [enter]simplify:  Simplifying (* 2 (atan (sqrt (expm1 (log1p (- (+ (* 2 (pow x 2)) 1) (* 2 x)))))))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (26 enodes)
* * [misc]simplify:  iters left: 4 (39 enodes)
* * [misc]simplify:  iters left: 3 (52 enodes)
* * [misc]simplify:  iters left: 2 (63 enodes)
* * [misc]simplify:  iters left: 1 (92 enodes)
* [exit]simplify:  Simplified to (+ (atan (sqrt (- (fma x (+ x x) 1) (+ x x)))) (atan (sqrt (- (fma x (+ x x) 1) (+ x x)))))
* * * * [misc]progress:  [ 45 / 49 ] simplifiying candidate #<alt-event (λ (x) (* 2 (atan (sqrt (expm1 (log1p (- (* 2 (/ 1 x)) (+ 1 (* 2 (/ 1 (pow x 2)))))))))))>
* [enter]simplify:  Simplifying (* 2 (atan (sqrt (expm1 (log1p (- (* 2 (/ 1 x)) (+ 1 (* 2 (/ 1 (pow x 2))))))))))
* * [misc]simplify:  iters left: 6 (15 enodes)
* * [misc]simplify:  iters left: 5 (32 enodes)
* * [misc]simplify:  iters left: 4 (50 enodes)
* * [misc]simplify:  iters left: 3 (74 enodes)
* * [misc]simplify:  iters left: 2 (109 enodes)
* * [misc]simplify:  iters left: 1 (140 enodes)
* [exit]simplify:  Simplified to (+ (atan (sqrt (- (/ 2 x) (fma (/ 1 x) (/ 2 x) 1)))) (atan (sqrt (- (/ 2 x) (fma (/ 1 x) (/ 2 x) 1)))))
* * * * [misc]progress:  [ 46 / 49 ] simplifiying candidate #<alt-event (λ (x) (* 2 (atan (sqrt (expm1 (log1p (- (* 2 (/ 1 x)) (+ 1 (* 2 (/ 1 (pow x 2)))))))))))>
* [enter]simplify:  Simplifying (* 2 (atan (sqrt (expm1 (log1p (- (* 2 (/ 1 x)) (+ 1 (* 2 (/ 1 (pow x 2))))))))))
* * [misc]simplify:  iters left: 6 (15 enodes)
* * [misc]simplify:  iters left: 5 (32 enodes)
* * [misc]simplify:  iters left: 4 (50 enodes)
* * [misc]simplify:  iters left: 3 (74 enodes)
* * [misc]simplify:  iters left: 2 (109 enodes)
* * [misc]simplify:  iters left: 1 (140 enodes)
* [exit]simplify:  Simplified to (+ (atan (sqrt (- (/ 2 x) (fma (/ 1 x) (/ 2 x) 1)))) (atan (sqrt (- (/ 2 x) (fma (/ 1 x) (/ 2 x) 1)))))
* * * * [misc]progress:  [ 47 / 49 ] simplifiying candidate #<alt-event (λ (x) (* 2 (atan (sqrt (expm1 (log1p (/ (- 1 x) (+ 1 x))))))))>
* [enter]simplify:  Simplifying (* 2 (atan (sqrt (expm1 (log1p (/ (- 1 x) (+ 1 x)))))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* [exit]simplify:  Simplified to (+ (atan (sqrt (/ (- 1 x) (+ 1 x)))) (atan (sqrt (/ (- 1 x) (+ 1 x)))))
* * * * [misc]progress:  [ 48 / 49 ] simplifiying candidate #<alt-event (λ (x) (* 2 (atan (sqrt (expm1 (log1p (/ (- 1 x) (+ 1 x))))))))>
* [enter]simplify:  Simplifying (* 2 (atan (sqrt (expm1 (log1p (/ (- 1 x) (+ 1 x)))))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* [exit]simplify:  Simplified to (+ (atan (sqrt (/ (- 1 x) (+ 1 x)))) (atan (sqrt (/ (- 1 x) (+ 1 x)))))
* * * * [misc]progress:  [ 49 / 49 ] simplifiying candidate #<alt-event (λ (x) (* 2 (atan (sqrt (expm1 (log1p (/ (- 1 x) (+ 1 x))))))))>
* [enter]simplify:  Simplifying (* 2 (atan (sqrt (expm1 (log1p (/ (- 1 x) (+ 1 x)))))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* [exit]simplify:  Simplified to (+ (atan (sqrt (/ (- 1 x) (+ 1 x)))) (atan (sqrt (/ (- 1 x) (+ 1 x)))))
* * * [misc]progress:  adding candidates to table
* * [misc]progress:  iteration 3 / 4
* * * [misc]progress:  picking best candidate
* * * * [misc]pick:  Picked  #<alt-delta (λ (x) (* 2 (atan (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x)))))))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 4 ] rewriting at (2 2 1 1 1)
* * * * [misc]progress:  [ 2 / 4 ] rewriting at (2 2 1 1)
* * * * [misc]progress:  [ 3 / 4 ] rewriting at (2 2 1 1 2)
* * * * [misc]progress:  [ 4 / 4 ] rewriting at (2 2)
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 4 ] generating series at (2 2 1 1 1)
* [misc]approximate:  Taking taylor expansion of (/ 1 (+ 1 x)) in (x) around 0
* [misc]taylor:  Taking taylor expansion of (/ 1 (+ 1 x)) in x
* [misc]taylor:  Taking taylor expansion of (+ 1 x) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 (+ 1 x)) in x
* [misc]taylor:  Taking taylor expansion of (+ 1 x) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 1 1)))) into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* -1 (/ 1 1)))) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 1 (pow x 2)) (+ (* -1 x) 1)) into (- (+ (pow x 2) 1) x)
* [misc]approximate:  Taking taylor expansion of (/ 1 (+ 1 (/ 1 x))) in (x) around 0
* [misc]taylor:  Taking taylor expansion of (/ 1 (+ 1 (/ 1 x))) in x
* [misc]taylor:  Taking taylor expansion of (+ 1 (/ 1 x)) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 (+ 1 (/ 1 x))) in x
* [misc]taylor:  Taking taylor expansion of (+ 1 (/ 1 x)) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [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)))) into -1
* [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 (- (+ (* 1 (/ 0 1)) (* -1 (/ 1 1)))) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 1 (pow (/ 1 x) 3)) (+ (* -1 (pow (/ 1 x) 2)) (* 1 (/ 1 x)))) into (- (+ (/ 1 (pow x 3)) (/ 1 x)) (/ 1 (pow x 2)))
* [misc]approximate:  Taking taylor expansion of (/ 1 (+ 1 (/ 1 (- x)))) in (x) around 0
* [misc]taylor:  Taking taylor expansion of (/ 1 (+ 1 (/ 1 (- x)))) in x
* [misc]taylor:  Taking taylor expansion of (+ 1 (/ 1 (- x))) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (+ 1 (/ 1 (- x)))) in x
* [misc]taylor:  Taking taylor expansion of (+ 1 (/ 1 (- x))) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (/ 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 (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 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 (- 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 (- (+ (* -1 (/ 0 -1)) (* -1 (/ 1 -1)))) into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (+ (* -1 (pow (/ 1 (- x)) 3)) (+ (* -1 (pow (/ 1 (- x)) 2)) (* -1 (/ 1 (- x))))) into (- (+ (/ 1 (pow x 3)) (/ 1 x)) (/ 1 (pow x 2)))
* * * * [misc]progress:  [ 2 / 4 ] generating series at (2 2 1 1)
* [misc]approximate:  Taking taylor expansion of (- (/ 1 (+ 1 x)) (/ x (+ 1 x))) in (x) around 0
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (+ 1 x)) (/ x (+ 1 x))) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (+ 1 x)) in x
* [misc]taylor:  Taking taylor expansion of (+ 1 x) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ x (+ 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]taylor:  Taking taylor expansion of (+ 1 x) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (+ 1 x)) (/ x (+ 1 x))) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (+ 1 x)) in x
* [misc]taylor:  Taking taylor expansion of (+ 1 x) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ x (+ 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]taylor:  Taking taylor expansion of (+ 1 x) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 1 1)))) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ -1 -1) into -2
* [misc]backup-simplify:  Simplify -2 into -2
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* -1 (/ 1 1)))) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* 1 (/ 1 1)))) into -1
* [misc]backup-simplify:  Simplify (- -1) into 1
* [misc]backup-simplify:  Simplify (+ 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 (/ 1 x))) (/ (/ 1 x) (+ 1 (/ 1 x)))) in (x) around 0
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (+ 1 (/ 1 x))) (/ (/ 1 x) (+ 1 (/ 1 x)))) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (+ 1 (/ 1 x))) in x
* [misc]taylor:  Taking taylor expansion of (+ 1 (/ 1 x)) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 x) (+ 1 (/ 1 x))) in x
* [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 (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (+ 1 (/ 1 x))) (/ (/ 1 x) (+ 1 (/ 1 x)))) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (+ 1 (/ 1 x))) in x
* [misc]taylor:  Taking taylor expansion of (+ 1 (/ 1 x)) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 x) (+ 1 (/ 1 x))) in x
* [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 (+ 0 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 -1 into -1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* 1 (/ 1 1)))) into -1
* [misc]backup-simplify:  Simplify (- -1) into 1
* [misc]backup-simplify:  Simplify (+ 1 1) into 2
* [misc]backup-simplify:  Simplify 2 into 2
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 1 1)))) into -1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) 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)) (* -1 (/ 1 1)))) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ -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 (/ 1 (- x)))) (/ (/ 1 (- x)) (+ 1 (/ 1 (- x))))) in (x) around 0
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (+ 1 (/ 1 (- x)))) (/ (/ 1 (- x)) (+ 1 (/ 1 (- x))))) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (+ 1 (/ 1 (- x)))) in x
* [misc]taylor:  Taking taylor expansion of (+ 1 (/ 1 (- x))) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 (- x)) (+ 1 (/ 1 (- x)))) in x
* [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 (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (/ -1 -1) into 1
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (+ 1 (/ 1 (- x)))) (/ (/ 1 (- x)) (+ 1 (/ 1 (- x))))) in x
* [misc]taylor:  Taking taylor expansion of (/ 1 (+ 1 (/ 1 (- x)))) in x
* [misc]taylor:  Taking taylor expansion of (+ 1 (/ 1 (- x))) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 (- x)) (+ 1 (/ 1 (- x)))) in x
* [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 (+ 0 -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 -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) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (- (/ 0 -1) (+ (* 1 (/ 1 -1)))) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ -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 (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 1 -1)))) into -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 (- 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)) (* 1 (/ 1 -1)))) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ -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:  [ 3 / 4 ] generating series at (2 2 1 1 2)
* [misc]approximate:  Taking taylor expansion of (/ x (+ 1 x)) in (x) around 0
* [misc]taylor:  Taking taylor expansion of (/ x (+ 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]taylor:  Taking taylor expansion of (+ 1 x) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ x (+ 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]taylor:  Taking taylor expansion of (+ 1 x) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (/ 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) (+ (* 1 (/ 1 1)))) into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* 1 (/ 0 1)) (* -1 (/ 1 1)))) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 1 (pow x 3)) (+ (* -1 (pow x 2)) (* 1 x))) into (- (+ (pow x 3) x) (pow x 2))
* [misc]approximate:  Taking taylor expansion of (/ (/ 1 x) (+ 1 (/ 1 x))) in (x) around 0
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 x) (+ 1 (/ 1 x))) in x
* [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 (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 x) (+ 1 (/ 1 x))) in x
* [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 (+ 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 (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* 1 (/ 1 1)))) into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) 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)) (* -1 (/ 1 1)))) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 1 (pow (/ 1 x) 2)) (+ (* -1 (/ 1 x)) 1)) into (- (+ 1 (/ 1 (pow x 2))) (/ 1 x))
* [misc]approximate:  Taking taylor expansion of (/ (/ 1 (- x)) (+ 1 (/ 1 (- x)))) in (x) around 0
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 (- x)) (+ 1 (/ 1 (- x)))) in x
* [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 (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (/ -1 -1) into 1
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 (- x)) (+ 1 (/ 1 (- x)))) in x
* [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 (+ 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) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (- (/ 0 -1) (+ (* 1 (/ 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 (- 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 (- 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)) (* 1 (/ 1 -1)))) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 1 (pow (/ 1 (- x)) 2)) (+ (* 1 (/ 1 (- x))) 1)) into (- (+ 1 (/ 1 (pow x 2))) (/ 1 x))
* * * * [misc]progress:  [ 4 / 4 ] generating series at (2 2)
* [misc]approximate:  Taking taylor expansion of (atan (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x))))) in (x) around 0
* [misc]taylor:  Taking taylor expansion of (atan (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x))))) in x
* [misc]backup-simplify:  Simplify (atan (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x))))) into (atan (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x)))))
* [misc]taylor:  Taking taylor expansion of (atan (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x))))) in x
* [misc]backup-simplify:  Simplify (atan (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x))))) into (atan (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x)))))
* [misc]backup-simplify:  Simplify (atan (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x))))) into (atan (sqrt (- (/ 1 (+ 1 x)) (/ 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 (+ 1 x)) (/ x (+ 1 x))))) into (atan (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x)))))
* [misc]approximate:  Taking taylor expansion of (atan (sqrt (- (/ 1 (+ 1 (/ 1 x))) (/ (/ 1 x) (+ 1 (/ 1 x)))))) in (x) around 0
* [misc]taylor:  Taking taylor expansion of (atan (sqrt (- (/ 1 (+ 1 (/ 1 x))) (/ (/ 1 x) (+ 1 (/ 1 x)))))) in x
* [misc]backup-simplify:  Simplify (atan (sqrt (- (/ 1 (+ 1 (/ 1 x))) (/ (/ 1 x) (+ 1 (/ 1 x)))))) into (atan (sqrt (- (/ 1 (+ 1 (/ 1 x))) (/ 1 (* (+ 1 (/ 1 x)) x)))))
* [misc]taylor:  Taking taylor expansion of (atan (sqrt (- (/ 1 (+ 1 (/ 1 x))) (/ (/ 1 x) (+ 1 (/ 1 x)))))) in x
* [misc]backup-simplify:  Simplify (atan (sqrt (- (/ 1 (+ 1 (/ 1 x))) (/ (/ 1 x) (+ 1 (/ 1 x)))))) into (atan (sqrt (- (/ 1 (+ 1 (/ 1 x))) (/ 1 (* (+ 1 (/ 1 x)) x)))))
* [misc]backup-simplify:  Simplify (atan (sqrt (- (/ 1 (+ 1 (/ 1 x))) (/ 1 (* (+ 1 (/ 1 x)) x))))) into (atan (sqrt (- (/ 1 (+ 1 (/ 1 x))) (/ 1 (* (+ 1 (/ 1 x)) 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 (/ 1 x)))) (/ 1 (* (+ 1 (/ 1 (/ 1 x))) (/ 1 x)))))) into (atan (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x)))))
* [misc]approximate:  Taking taylor expansion of (atan (sqrt (- (/ 1 (+ 1 (/ 1 (- x)))) (/ (/ 1 (- x)) (+ 1 (/ 1 (- x))))))) in (x) around 0
* [misc]taylor:  Taking taylor expansion of (atan (sqrt (- (/ 1 (+ 1 (/ 1 (- x)))) (/ (/ 1 (- x)) (+ 1 (/ 1 (- x))))))) in x
* [misc]backup-simplify:  Simplify (atan (sqrt (- (/ 1 (+ 1 (/ 1 (- x)))) (/ (/ 1 (- x)) (+ 1 (/ 1 (- x))))))) into (atan (sqrt (+ (/ 1 (- 1 (/ 1 x))) (/ 1 (* (- 1 (/ 1 x)) x)))))
* [misc]taylor:  Taking taylor expansion of (atan (sqrt (- (/ 1 (+ 1 (/ 1 (- x)))) (/ (/ 1 (- x)) (+ 1 (/ 1 (- x))))))) in x
* [misc]backup-simplify:  Simplify (atan (sqrt (- (/ 1 (+ 1 (/ 1 (- x)))) (/ (/ 1 (- x)) (+ 1 (/ 1 (- x))))))) into (atan (sqrt (+ (/ 1 (- 1 (/ 1 x))) (/ 1 (* (- 1 (/ 1 x)) x)))))
* [misc]backup-simplify:  Simplify (atan (sqrt (+ (/ 1 (- 1 (/ 1 x))) (/ 1 (* (- 1 (/ 1 x)) x))))) into (atan (sqrt (+ (/ 1 (- 1 (/ 1 x))) (/ 1 (* (- 1 (/ 1 x)) 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 (/ 1 (- x))))) (/ 1 (* (- 1 (/ 1 (/ 1 (- x)))) (/ 1 (- x))))))) into (atan (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x)))))
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (- (log1p (expm1 (/ 1 (+ 1 x)))) (/ x (+ 1 x)))))))>
* [enter]simplify:  Simplifying (expm1 (/ 1 (+ 1 x)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (8 enodes)
* [exit]simplify:  Simplified to (expm1 (/ 1 (+ x 1)))
* [exit]simplify:  Simplified to (expm1 (/ 1 (+ x 1)))
* * * * [misc]progress:  [ 2 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (- (expm1 (log1p (/ 1 (+ 1 x)))) (/ x (+ 1 x)))))))>
* [enter]simplify:  Simplifying (log1p (/ 1 (+ 1 x)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (8 enodes)
* [exit]simplify:  Simplified to (log1p (/ 1 (+ x 1)))
* [exit]simplify:  Simplified to (log1p (/ 1 (+ x 1)))
* * * * [misc]progress:  [ 3 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (- (pow (+ 1 x) -1) (/ x (+ 1 x)))))))>
* * * * [misc]progress:  [ 4 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (- (pow (+ 1 x) (- 1)) (/ x (+ 1 x)))))))>
* [enter]simplify:  Simplifying (- 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)
* * * * [misc]progress:  [ 5 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (- (pow (/ 1 (+ 1 x)) 1) (/ x (+ 1 x)))))))>
* * * * [misc]progress:  [ 6 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (- (exp (- (log (+ 1 x)))) (/ x (+ 1 x)))))))>
* [enter]simplify:  Simplifying (- (log (+ 1 x)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* [exit]simplify:  Simplified to (- (log1p x))
* [exit]simplify:  Simplified to (- (log1p x))
* * * * [misc]progress:  [ 7 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (- (exp (log (/ 1 (+ 1 x)))) (/ x (+ 1 x)))))))>
* [enter]simplify:  Simplifying (log (/ 1 (+ 1 x)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* [exit]simplify:  Simplified to (- (log1p x))
* [exit]simplify:  Simplified to (- (log1p x))
* * * * [misc]progress:  [ 8 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (- (log (exp (/ 1 (+ 1 x)))) (/ x (+ 1 x)))))))>
* [enter]simplify:  Simplifying (exp (/ 1 (+ 1 x)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (8 enodes)
* [exit]simplify:  Simplified to (exp (/ 1 (+ x 1)))
* [exit]simplify:  Simplified to (exp (/ 1 (+ x 1)))
* * * * [misc]progress:  [ 9 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (- (* (* (cbrt (/ 1 (+ 1 x))) (cbrt (/ 1 (+ 1 x)))) (cbrt (/ 1 (+ 1 x)))) (/ x (+ 1 x)))))))>
* [enter]simplify:  Simplifying (* (cbrt (/ 1 (+ 1 x))) (cbrt (/ 1 (+ 1 x))))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (9 enodes)
* [exit]simplify:  Simplified to (* (cbrt (/ 1 (+ x 1))) (cbrt (/ 1 (+ x 1))))
* [exit]simplify:  Simplified to (* (cbrt (/ 1 (+ x 1))) (cbrt (/ 1 (+ x 1))))
* [enter]simplify:  Simplifying (cbrt (/ 1 (+ 1 x)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (8 enodes)
* [exit]simplify:  Simplified to (cbrt (/ 1 (+ x 1)))
* [exit]simplify:  Simplified to (cbrt (/ 1 (+ x 1)))
* * * * [misc]progress:  [ 10 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (- (cbrt (* (* (/ 1 (+ 1 x)) (/ 1 (+ 1 x))) (/ 1 (+ 1 x)))) (/ x (+ 1 x)))))))>
* [enter]simplify:  Simplifying (* (* (/ 1 (+ 1 x)) (/ 1 (+ 1 x))) (/ 1 (+ 1 x)))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (20 enodes)
* * [misc]simplify:  iters left: 3 (31 enodes)
* * [misc]simplify:  iters left: 2 (39 enodes)
* * [misc]simplify:  iters left: 1 (57 enodes)
* [exit]simplify:  Simplified to (/ (/ 1 (+ x 1)) (* (+ x 1) (+ x 1)))
* [exit]simplify:  Simplified to (/ (/ 1 (+ x 1)) (* (+ x 1) (+ x 1)))
* * * * [misc]progress:  [ 11 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (- (* (sqrt (/ 1 (+ 1 x))) (sqrt (/ 1 (+ 1 x)))) (/ x (+ 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)))
* [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:  [ 12 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (- (/ (- 1) (- (+ 1 x))) (/ x (+ 1 x)))))))>
* [enter]simplify:  Simplifying (- 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))
* * [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 (- (+ x 1))
* [exit]simplify:  Simplified to (- (+ x 1))
* * * * [misc]progress:  [ 13 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (- (* 1 (/ 1 (+ 1 x))) (/ x (+ 1 x)))))))>
* * * * [misc]progress:  [ 14 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (- (* 1 (/ 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))
* * * * [misc]progress:  [ 15 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (- (/ 1 (/ (+ 1 x) 1)) (/ x (+ 1 x)))))))>
* [enter]simplify:  Simplifying (/ (+ 1 x) 1)
* * [misc]simplify:  iters left: 4 (4 enodes)
* * [misc]simplify:  iters left: 3 (7 enodes)
* [exit]simplify:  Simplified to (/ (+ x 1) 1)
* [exit]simplify:  Simplified to (/ (+ x 1) 1)
* * * * [misc]progress:  [ 16 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (- (/ (/ 1 (* (cbrt (+ 1 x)) (cbrt (+ 1 x)))) (cbrt (+ 1 x))) (/ x (+ 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))))
* * * * [misc]progress:  [ 17 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (- (/ (/ 1 (sqrt (+ 1 x))) (sqrt (+ 1 x))) (/ x (+ 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)))
* * * * [misc]progress:  [ 18 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (- (/ (/ 1 1) (+ 1 x)) (/ 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
* * * * [misc]progress:  [ 19 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (- (* (/ 1 (+ (pow 1 3) (pow x 3))) (+ (* 1 1) (- (* x x) (* 1 x)))) (/ x (+ 1 x)))))))>
* [enter]simplify:  Simplifying (/ 1 (+ (pow 1 3) (pow x 3)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (15 enodes)
* * [misc]simplify:  iters left: 3 (17 enodes)
* * [misc]simplify:  iters left: 2 (18 enodes)
* [exit]simplify:  Simplified to (/ 1 (fma (* x x) x 1))
* [exit]simplify:  Simplified to (/ 1 (fma (* x x) x 1))
* * * * [misc]progress:  [ 20 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (- (* (/ 1 (- (* 1 1) (* x x))) (- 1 x)) (/ x (+ 1 x)))))))>
* [enter]simplify:  Simplifying (/ 1 (- (* 1 1) (* x x)))
* * [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 (/ 1 (- 1 (* x x)))
* [exit]simplify:  Simplified to (/ 1 (- 1 (* x x)))
* * * * [misc]progress:  [ 21 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (log1p (expm1 (- (/ 1 (+ 1 x)) (/ x (+ 1 x)))))))))>
* [enter]simplify:  Simplifying (expm1 (- (/ 1 (+ 1 x)) (/ x (+ 1 x))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (10 enodes)
* [exit]simplify:  Simplified to (expm1 (- (/ 1 (+ x 1)) (/ x (+ x 1))))
* [exit]simplify:  Simplified to (expm1 (- (/ 1 (+ x 1)) (/ x (+ x 1))))
* * * * [misc]progress:  [ 22 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (expm1 (log1p (- (/ 1 (+ 1 x)) (/ x (+ 1 x)))))))))>
* [enter]simplify:  Simplifying (log1p (- (/ 1 (+ 1 x)) (/ x (+ 1 x))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (10 enodes)
* [exit]simplify:  Simplified to (log1p (- (/ 1 (+ x 1)) (/ x (+ x 1))))
* [exit]simplify:  Simplified to (log1p (- (/ 1 (+ x 1)) (/ x (+ x 1))))
* * * * [misc]progress:  [ 23 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (fma (* (cbrt (/ 1 (+ 1 x))) (cbrt (/ 1 (+ 1 x)))) (cbrt (/ 1 (+ 1 x))) (- (/ x (+ 1 x))))))))>
* [enter]simplify:  Simplifying (- (/ x (+ 1 x)))
* * [misc]simplify:  iters left: 6 (5 enodes)
* * [misc]simplify:  iters left: 5 (10 enodes)
* [exit]simplify:  Simplified to (/ (- x) (+ 1 x))
* [exit]simplify:  Simplified to (/ (- x) (+ 1 x))
* * * * [misc]progress:  [ 24 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (fma (sqrt (/ 1 (+ 1 x))) (sqrt (/ 1 (+ 1 x))) (- (/ x (+ 1 x))))))))>
* [enter]simplify:  Simplifying (- (/ x (+ 1 x)))
* * [misc]simplify:  iters left: 6 (5 enodes)
* * [misc]simplify:  iters left: 5 (10 enodes)
* [exit]simplify:  Simplified to (/ (- x) (+ 1 x))
* [exit]simplify:  Simplified to (/ (- x) (+ 1 x))
* * * * [misc]progress:  [ 25 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (fma 1 (/ 1 (+ 1 x)) (- (/ x (+ 1 x))))))))>
* [enter]simplify:  Simplifying (- (/ x (+ 1 x)))
* * [misc]simplify:  iters left: 6 (5 enodes)
* * [misc]simplify:  iters left: 5 (10 enodes)
* [exit]simplify:  Simplified to (/ (- x) (+ 1 x))
* [exit]simplify:  Simplified to (/ (- x) (+ 1 x))
* * * * [misc]progress:  [ 26 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (fma 1 (/ 1 (+ 1 x)) (- (/ x (+ 1 x))))))))>
* [enter]simplify:  Simplifying (- (/ x (+ 1 x)))
* * [misc]simplify:  iters left: 6 (5 enodes)
* * [misc]simplify:  iters left: 5 (10 enodes)
* [exit]simplify:  Simplified to (/ (- x) (+ 1 x))
* [exit]simplify:  Simplified to (/ (- x) (+ 1 x))
* * * * [misc]progress:  [ 27 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (fma (/ 1 (+ (pow 1 3) (pow x 3))) (+ (* 1 1) (- (* x x) (* 1 x))) (- (/ x (+ 1 x))))))))>
* [enter]simplify:  Simplifying (- (/ x (+ 1 x)))
* * [misc]simplify:  iters left: 6 (5 enodes)
* * [misc]simplify:  iters left: 5 (10 enodes)
* [exit]simplify:  Simplified to (/ (- x) (+ 1 x))
* [exit]simplify:  Simplified to (/ (- x) (+ 1 x))
* * * * [misc]progress:  [ 28 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (fma (/ 1 (- (* 1 1) (* x x))) (- 1 x) (- (/ x (+ 1 x))))))))>
* [enter]simplify:  Simplifying (- (/ x (+ 1 x)))
* * [misc]simplify:  iters left: 6 (5 enodes)
* * [misc]simplify:  iters left: 5 (10 enodes)
* [exit]simplify:  Simplified to (/ (- x) (+ 1 x))
* [exit]simplify:  Simplified to (/ (- x) (+ 1 x))
* * * * [misc]progress:  [ 29 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (log (/ (exp (/ 1 (+ 1 x))) (exp (/ x (+ 1 x)))))))))>
* [enter]simplify:  Simplifying (/ (exp (/ 1 (+ 1 x))) (exp (/ x (+ 1 x))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* [exit]simplify:  Simplified to (exp (- (/ 1 (+ x 1)) (/ x (+ x 1))))
* [exit]simplify:  Simplified to (exp (- (/ 1 (+ x 1)) (/ x (+ x 1))))
* * * * [misc]progress:  [ 30 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (pow (- (/ 1 (+ 1 x)) (/ x (+ 1 x))) 1)))))>
* * * * [misc]progress:  [ 31 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (exp (log (- (/ 1 (+ 1 x)) (/ x (+ 1 x)))))))))>
* [enter]simplify:  Simplifying (log (- (/ 1 (+ 1 x)) (/ x (+ 1 x))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (10 enodes)
* [exit]simplify:  Simplified to (log (- (/ 1 (+ x 1)) (/ x (+ x 1))))
* [exit]simplify:  Simplified to (log (- (/ 1 (+ x 1)) (/ x (+ x 1))))
* * * * [misc]progress:  [ 32 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (log (exp (- (/ 1 (+ 1 x)) (/ x (+ 1 x)))))))))>
* [enter]simplify:  Simplifying (exp (- (/ 1 (+ 1 x)) (/ x (+ 1 x))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* [exit]simplify:  Simplified to (exp (- (/ 1 (+ x 1)) (/ x (+ x 1))))
* [exit]simplify:  Simplified to (exp (- (/ 1 (+ x 1)) (/ x (+ x 1))))
* * * * [misc]progress:  [ 33 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (* (* (cbrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x)))) (cbrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x))))) (cbrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x)))))))))>
* [enter]simplify:  Simplifying (* (cbrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x)))) (cbrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x)))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (11 enodes)
* [exit]simplify:  Simplified to (* (cbrt (- (/ 1 (+ x 1)) (/ x (+ x 1)))) (cbrt (- (/ 1 (+ x 1)) (/ x (+ x 1)))))
* [exit]simplify:  Simplified to (* (cbrt (- (/ 1 (+ x 1)) (/ x (+ x 1)))) (cbrt (- (/ 1 (+ x 1)) (/ x (+ x 1)))))
* [enter]simplify:  Simplifying (cbrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (10 enodes)
* [exit]simplify:  Simplified to (cbrt (- (/ 1 (+ x 1)) (/ x (+ x 1))))
* [exit]simplify:  Simplified to (cbrt (- (/ 1 (+ x 1)) (/ x (+ x 1))))
* * * * [misc]progress:  [ 34 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (cbrt (* (* (- (/ 1 (+ 1 x)) (/ x (+ 1 x))) (- (/ 1 (+ 1 x)) (/ x (+ 1 x)))) (- (/ 1 (+ 1 x)) (/ x (+ 1 x)))))))))>
* [enter]simplify:  Simplifying (* (* (- (/ 1 (+ 1 x)) (/ x (+ 1 x))) (- (/ 1 (+ 1 x)) (/ x (+ 1 x)))) (- (/ 1 (+ 1 x)) (/ x (+ 1 x))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* [exit]simplify:  Simplified to (pow (- (/ 1 (+ x 1)) (/ x (+ x 1))) 3)
* [exit]simplify:  Simplified to (pow (- (/ 1 (+ x 1)) (/ x (+ x 1))) 3)
* * * * [misc]progress:  [ 35 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (* (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x)))) (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x)))))))))>
* [enter]simplify:  Simplifying (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (10 enodes)
* [exit]simplify:  Simplified to (sqrt (- (/ 1 (+ x 1)) (/ x (+ x 1))))
* [exit]simplify:  Simplified to (sqrt (- (/ 1 (+ x 1)) (/ x (+ x 1))))
* [enter]simplify:  Simplifying (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (10 enodes)
* [exit]simplify:  Simplified to (sqrt (- (/ 1 (+ x 1)) (/ x (+ x 1))))
* [exit]simplify:  Simplified to (sqrt (- (/ 1 (+ x 1)) (/ x (+ x 1))))
* * * * [misc]progress:  [ 36 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (/ (- 1 x) (+ 1 x))))))>
* [enter]simplify:  Simplifying (- 1 x)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (5 enodes)
* [exit]simplify:  Simplified to (- 1 x)
* [exit]simplify:  Simplified to (- 1 x)
* * * * [misc]progress:  [ 37 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (/ (- (* 1 (+ 1 x)) (* (+ 1 x) x)) (* (+ 1 x) (+ 1 x)))))))>
* [enter]simplify:  Simplifying (- (* 1 (+ 1 x)) (* (+ 1 x) x))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (22 enodes)
* * [misc]simplify:  iters left: 3 (39 enodes)
* * [misc]simplify:  iters left: 2 (47 enodes)
* * [misc]simplify:  iters left: 1 (78 enodes)
* [exit]simplify:  Simplified to (* (- 1 x) (+ x 1))
* [exit]simplify:  Simplified to (* (- 1 x) (+ x 1))
* [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 (20 enodes)
* * [misc]simplify:  iters left: 1 (28 enodes)
* [exit]simplify:  Simplified to (* (+ x 1) (+ x 1))
* [exit]simplify:  Simplified to (* (+ x 1) (+ x 1))
* * * * [misc]progress:  [ 38 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (/ (- (pow (/ 1 (+ 1 x)) 3) (pow (/ x (+ 1 x)) 3)) (+ (* (/ 1 (+ 1 x)) (/ 1 (+ 1 x))) (+ (* (/ x (+ 1 x)) (/ x (+ 1 x))) (* (/ 1 (+ 1 x)) (/ x (+ 1 x))))))))))>
* [enter]simplify:  Simplifying (- (pow (/ 1 (+ 1 x)) 3) (pow (/ x (+ 1 x)) 3))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (23 enodes)
* * [misc]simplify:  iters left: 4 (44 enodes)
* * [misc]simplify:  iters left: 3 (76 enodes)
* * [misc]simplify:  iters left: 2 (129 enodes)
* * [misc]simplify:  iters left: 1 (258 enodes)
* [exit]simplify:  Simplified to (- (/ (/ 1 (+ x 1)) (* (+ x 1) (+ x 1))) (pow (/ x (+ x 1)) 3))
* [exit]simplify:  Simplified to (- (/ (/ 1 (+ x 1)) (* (+ x 1) (+ x 1))) (pow (/ x (+ x 1)) 3))
* [enter]simplify:  Simplifying (+ (* (/ 1 (+ 1 x)) (/ 1 (+ 1 x))) (+ (* (/ x (+ 1 x)) (/ x (+ 1 x))) (* (/ 1 (+ 1 x)) (/ x (+ 1 x)))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (33 enodes)
* * [misc]simplify:  iters left: 4 (62 enodes)
* * [misc]simplify:  iters left: 3 (90 enodes)
* * [misc]simplify:  iters left: 2 (136 enodes)
* * [misc]simplify:  iters left: 1 (176 enodes)
* [exit]simplify:  Simplified to (fma (/ x (+ x 1)) (* (/ 1 (+ x 1)) (+ x 1)) (/ (/ 1 (+ x 1)) (+ x 1)))
* [exit]simplify:  Simplified to (fma (/ x (+ x 1)) (* (/ 1 (+ x 1)) (+ x 1)) (/ (/ 1 (+ x 1)) (+ x 1)))
* * * * [misc]progress:  [ 39 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (+ (/ 1 (+ 1 x)) (- (/ x (+ 1 x))))))))>
* [enter]simplify:  Simplifying (- (/ x (+ 1 x)))
* * [misc]simplify:  iters left: 6 (5 enodes)
* * [misc]simplify:  iters left: 5 (10 enodes)
* [exit]simplify:  Simplified to (/ (- x) (+ 1 x))
* [exit]simplify:  Simplified to (/ (- x) (+ 1 x))
* * * * [misc]progress:  [ 40 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (* 1 (- (/ 1 (+ 1 x)) (/ x (+ 1 x))))))))>
* * * * [misc]progress:  [ 41 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (/ (- (* (/ 1 (+ 1 x)) (/ 1 (+ 1 x))) (* (/ x (+ 1 x)) (/ x (+ 1 x)))) (+ (/ 1 (+ 1 x)) (/ x (+ 1 x))))))))>
* [enter]simplify:  Simplifying (- (* (/ 1 (+ 1 x)) (/ 1 (+ 1 x))) (* (/ x (+ 1 x)) (/ x (+ 1 x))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (24 enodes)
* * [misc]simplify:  iters left: 4 (41 enodes)
* * [misc]simplify:  iters left: 3 (65 enodes)
* * [misc]simplify:  iters left: 2 (101 enodes)
* * [misc]simplify:  iters left: 1 (144 enodes)
* [exit]simplify:  Simplified to (* (- (/ 1 (+ x 1)) (/ x (+ x 1))) (+ (/ x (+ x 1)) (/ 1 (+ x 1))))
* [exit]simplify:  Simplified to (* (- (/ 1 (+ x 1)) (/ x (+ x 1))) (+ (/ x (+ x 1)) (/ 1 (+ x 1))))
* [enter]simplify:  Simplifying (+ (/ 1 (+ 1 x)) (/ x (+ 1 x)))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (10 enodes)
* [exit]simplify:  Simplified to (+ (/ 1 (+ x 1)) (/ x (+ x 1)))
* [exit]simplify:  Simplified to (+ (/ 1 (+ x 1)) (/ x (+ x 1)))
* * * * [misc]progress:  [ 42 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (* (+ (sqrt (/ 1 (+ 1 x))) (sqrt (/ x (+ 1 x)))) (- (sqrt (/ 1 (+ 1 x))) (sqrt (/ x (+ 1 x)))))))))>
* [enter]simplify:  Simplifying (+ (sqrt (/ 1 (+ 1 x))) (sqrt (/ x (+ 1 x))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* [exit]simplify:  Simplified to (+ (sqrt (/ 1 (+ x 1))) (sqrt (/ x (+ x 1))))
* [exit]simplify:  Simplified to (+ (sqrt (/ 1 (+ x 1))) (sqrt (/ x (+ x 1))))
* [enter]simplify:  Simplifying (- (sqrt (/ 1 (+ 1 x))) (sqrt (/ x (+ 1 x))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (11 enodes)
* [exit]simplify:  Simplified to (- (sqrt (/ 1 (+ x 1))) (sqrt (/ x (+ x 1))))
* [exit]simplify:  Simplified to (- (sqrt (/ 1 (+ x 1))) (sqrt (/ x (+ x 1))))
* * * * [misc]progress:  [ 43 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (* 1 (- (/ 1 (+ 1 x)) (/ x (+ 1 x))))))))>
* [enter]simplify:  Simplifying (- (/ 1 (+ 1 x)) (/ x (+ 1 x)))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (9 enodes)
* [exit]simplify:  Simplified to (- (/ 1 (+ x 1)) (/ x (+ x 1)))
* [exit]simplify:  Simplified to (- (/ 1 (+ x 1)) (/ x (+ x 1)))
* * * * [misc]progress:  [ 44 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (* 1 (- (/ 1 (+ 1 x)) (/ x (+ 1 x))))))))>
* [enter]simplify:  Simplifying (- (/ 1 (+ 1 x)) (/ x (+ 1 x)))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (9 enodes)
* [exit]simplify:  Simplified to (- (/ 1 (+ x 1)) (/ x (+ x 1)))
* [exit]simplify:  Simplified to (- (/ 1 (+ x 1)) (/ x (+ x 1)))
* * * * [misc]progress:  [ 45 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (* (/ 1 (+ 1 x)) (- 1 x))))))>
* [enter]simplify:  Simplifying (- 1 x)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (5 enodes)
* [exit]simplify:  Simplified to (- 1 x)
* [exit]simplify:  Simplified to (- 1 x)
* * * * [misc]progress:  [ 46 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (* (/ 1 (+ 1 x)) (- 1 x))))))>
* [enter]simplify:  Simplifying (- 1 x)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (5 enodes)
* [exit]simplify:  Simplified to (- 1 x)
* [exit]simplify:  Simplified to (- 1 x)
* * * * [misc]progress:  [ 47 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (* (+ (* 1 1) (- (* x x) (* 1 x))) (- (/ 1 (+ (pow 1 3) (pow x 3))) (/ x (+ (pow 1 3) (pow x 3)))))))))>
* [enter]simplify:  Simplifying (- (/ 1 (+ (pow 1 3) (pow x 3))) (/ x (+ (pow 1 3) (pow x 3))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (17 enodes)
* * [misc]simplify:  iters left: 4 (19 enodes)
* * [misc]simplify:  iters left: 3 (20 enodes)
* [exit]simplify:  Simplified to (- (/ 1 (fma (* x x) x 1)) (/ x (fma (* x x) x 1)))
* [exit]simplify:  Simplified to (- (/ 1 (fma (* x x) x 1)) (/ x (fma (* x x) x 1)))
* * * * [misc]progress:  [ 48 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (* (- 1 x) (- (/ 1 (- (* 1 1) (* x x))) (/ x (- (* 1 1) (* x x)))))))))>
* [enter]simplify:  Simplifying (- (/ 1 (- (* 1 1) (* x x))) (/ x (- (* 1 1) (* x x))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (15 enodes)
* [exit]simplify:  Simplified to (- (/ 1 (- 1 (* x x))) (/ x (- 1 (* x x))))
* [exit]simplify:  Simplified to (- (/ 1 (- 1 (* x x))) (/ x (- 1 (* x x))))
* * * * [misc]progress:  [ 49 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (- (/ 1 (+ 1 x)) (log1p (expm1 (/ x (+ 1 x)))))))))>
* [enter]simplify:  Simplifying (expm1 (/ x (+ 1 x)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (8 enodes)
* [exit]simplify:  Simplified to (expm1 (/ x (+ 1 x)))
* [exit]simplify:  Simplified to (expm1 (/ x (+ 1 x)))
* * * * [misc]progress:  [ 50 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (- (/ 1 (+ 1 x)) (expm1 (log1p (/ x (+ 1 x)))))))))>
* [enter]simplify:  Simplifying (log1p (/ x (+ 1 x)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (8 enodes)
* [exit]simplify:  Simplified to (log1p (/ x (+ 1 x)))
* [exit]simplify:  Simplified to (log1p (/ x (+ 1 x)))
* * * * [misc]progress:  [ 51 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (- (/ 1 (+ 1 x)) (pow (/ x (+ 1 x)) 1))))))>
* * * * [misc]progress:  [ 52 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (- (/ 1 (+ 1 x)) (exp (log (/ x (+ 1 x)))))))))>
* [enter]simplify:  Simplifying (log (/ x (+ 1 x)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (12 enodes)
* [exit]simplify:  Simplified to (- (log x) (log1p x))
* [exit]simplify:  Simplified to (- (log x) (log1p x))
* * * * [misc]progress:  [ 53 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (- (/ 1 (+ 1 x)) (log (exp (/ x (+ 1 x)))))))))>
* [enter]simplify:  Simplifying (exp (/ x (+ 1 x)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (8 enodes)
* [exit]simplify:  Simplified to (exp (/ x (+ 1 x)))
* [exit]simplify:  Simplified to (exp (/ x (+ 1 x)))
* * * * [misc]progress:  [ 54 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (- (/ 1 (+ 1 x)) (* (* (cbrt (/ x (+ 1 x))) (cbrt (/ x (+ 1 x)))) (cbrt (/ x (+ 1 x)))))))))>
* [enter]simplify:  Simplifying (* (cbrt (/ x (+ 1 x))) (cbrt (/ x (+ 1 x))))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (9 enodes)
* [exit]simplify:  Simplified to (* (cbrt (/ x (+ 1 x))) (cbrt (/ x (+ 1 x))))
* [exit]simplify:  Simplified to (* (cbrt (/ x (+ 1 x))) (cbrt (/ x (+ 1 x))))
* [enter]simplify:  Simplifying (cbrt (/ x (+ 1 x)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (8 enodes)
* [exit]simplify:  Simplified to (cbrt (/ x (+ 1 x)))
* [exit]simplify:  Simplified to (cbrt (/ x (+ 1 x)))
* * * * [misc]progress:  [ 55 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (- (/ 1 (+ 1 x)) (cbrt (* (* (/ x (+ 1 x)) (/ x (+ 1 x))) (/ x (+ 1 x)))))))))>
* [enter]simplify:  Simplifying (* (* (/ x (+ 1 x)) (/ x (+ 1 x))) (/ x (+ 1 x)))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (30 enodes)
* * [misc]simplify:  iters left: 3 (38 enodes)
* * [misc]simplify:  iters left: 2 (61 enodes)
* * [misc]simplify:  iters left: 1 (92 enodes)
* [exit]simplify:  Simplified to (pow (/ x (+ 1 x)) 3)
* [exit]simplify:  Simplified to (pow (/ x (+ 1 x)) 3)
* * * * [misc]progress:  [ 56 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (- (/ 1 (+ 1 x)) (* (sqrt (/ x (+ 1 x))) (sqrt (/ x (+ 1 x)))))))))>
* [enter]simplify:  Simplifying (sqrt (/ x (+ 1 x)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (8 enodes)
* [exit]simplify:  Simplified to (sqrt (/ x (+ 1 x)))
* [exit]simplify:  Simplified to (sqrt (/ x (+ 1 x)))
* [enter]simplify:  Simplifying (sqrt (/ x (+ 1 x)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (8 enodes)
* [exit]simplify:  Simplified to (sqrt (/ x (+ 1 x)))
* [exit]simplify:  Simplified to (sqrt (/ x (+ 1 x)))
* * * * [misc]progress:  [ 57 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (- (/ 1 (+ 1 x)) (/ (- x) (- (+ 1 x))))))))>
* [enter]simplify:  Simplifying (- x)
* * [misc]simplify:  iters left: 2 (2 enodes)
* [exit]simplify:  Simplified to (- x)
* [exit]simplify:  Simplified to (- 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 (- (+ x 1))
* [exit]simplify:  Simplified to (- (+ x 1))
* * * * [misc]progress:  [ 58 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (- (/ 1 (+ 1 x)) (* 1 (/ x (+ 1 x))))))))>
* * * * [misc]progress:  [ 59 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (- (/ 1 (+ 1 x)) (* 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:  [ 60 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (- (/ 1 (+ 1 x)) (/ 1 (/ (+ 1 x) x)))))))>
* [enter]simplify:  Simplifying (/ (+ 1 x) 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:  [ 61 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (- (/ 1 (+ 1 x)) (/ (/ x (* (cbrt (+ 1 x)) (cbrt (+ 1 x)))) (cbrt (+ 1 x))))))))>
* [enter]simplify:  Simplifying (/ x (* (cbrt (+ 1 x)) (cbrt (+ 1 x))))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (11 enodes)
* [exit]simplify:  Simplified to (/ x (* (cbrt (+ 1 x)) (cbrt (+ 1 x))))
* [exit]simplify:  Simplified to (/ x (* (cbrt (+ 1 x)) (cbrt (+ 1 x))))
* * * * [misc]progress:  [ 62 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (- (/ 1 (+ 1 x)) (/ (/ x (sqrt (+ 1 x))) (sqrt (+ 1 x))))))))>
* [enter]simplify:  Simplifying (/ x (sqrt (+ 1 x)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (8 enodes)
* [exit]simplify:  Simplified to (/ x (sqrt (+ 1 x)))
* [exit]simplify:  Simplified to (/ x (sqrt (+ 1 x)))
* * * * [misc]progress:  [ 63 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (- (/ 1 (+ 1 x)) (/ (/ x 1) (+ 1 x)))))))>
* [enter]simplify:  Simplifying (/ x 1)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (5 enodes)
* [exit]simplify:  Simplified to (/ x 1)
* [exit]simplify:  Simplified to (/ x 1)
* * * * [misc]progress:  [ 64 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (- (/ 1 (+ 1 x)) (* (/ x (+ (pow 1 3) (pow x 3))) (+ (* 1 1) (- (* x x) (* 1 x)))))))))>
* [enter]simplify:  Simplifying (/ x (+ (pow 1 3) (pow x 3)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (15 enodes)
* * [misc]simplify:  iters left: 3 (17 enodes)
* * [misc]simplify:  iters left: 2 (18 enodes)
* [exit]simplify:  Simplified to (/ x (fma x (* x x) 1))
* [exit]simplify:  Simplified to (/ x (fma x (* x x) 1))
* * * * [misc]progress:  [ 65 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (atan (sqrt (- (/ 1 (+ 1 x)) (* (/ x (- (* 1 1) (* x x))) (- 1 x)))))))>
* [enter]simplify:  Simplifying (/ x (- (* 1 1) (* x x)))
* * [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 (/ x (- 1 (* x x)))
* [exit]simplify:  Simplified to (/ x (- 1 (* x x)))
* * * * [misc]progress:  [ 66 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (log1p (expm1 (atan (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x)))))))))>
* [enter]simplify:  Simplifying (expm1 (atan (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x))))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* [exit]simplify:  Simplified to (expm1 (atan (sqrt (- (/ 1 (+ x 1)) (/ x (+ x 1))))))
* [exit]simplify:  Simplified to (expm1 (atan (sqrt (- (/ 1 (+ x 1)) (/ x (+ x 1))))))
* * * * [misc]progress:  [ 67 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (expm1 (log1p (atan (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x)))))))))>
* [enter]simplify:  Simplifying (log1p (atan (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x))))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* [exit]simplify:  Simplified to (log1p (atan (sqrt (- (/ 1 (+ x 1)) (/ x (+ x 1))))))
* [exit]simplify:  Simplified to (log1p (atan (sqrt (- (/ 1 (+ x 1)) (/ x (+ x 1))))))
* * * * [misc]progress:  [ 68 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (pow (atan (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x))))) 1)))>
* * * * [misc]progress:  [ 69 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (exp (log (atan (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x)))))))))>
* [enter]simplify:  Simplifying (log (atan (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x))))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* [exit]simplify:  Simplified to (log (atan (sqrt (- (/ 1 (+ x 1)) (/ x (+ x 1))))))
* [exit]simplify:  Simplified to (log (atan (sqrt (- (/ 1 (+ x 1)) (/ x (+ x 1))))))
* * * * [misc]progress:  [ 70 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (log (exp (atan (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x)))))))))>
* [enter]simplify:  Simplifying (exp (atan (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x))))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* [exit]simplify:  Simplified to (exp (atan (sqrt (- (/ 1 (+ x 1)) (/ x (+ x 1))))))
* [exit]simplify:  Simplified to (exp (atan (sqrt (- (/ 1 (+ x 1)) (/ x (+ x 1))))))
* * * * [misc]progress:  [ 71 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (* (* (cbrt (atan (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x)))))) (cbrt (atan (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x))))))) (cbrt (atan (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x)))))))))>
* [enter]simplify:  Simplifying (* (cbrt (atan (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x)))))) (cbrt (atan (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x)))))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* [exit]simplify:  Simplified to (* (cbrt (atan (sqrt (- (/ 1 (+ x 1)) (/ x (+ x 1)))))) (cbrt (atan (sqrt (- (/ 1 (+ x 1)) (/ x (+ x 1)))))))
* [exit]simplify:  Simplified to (* (cbrt (atan (sqrt (- (/ 1 (+ x 1)) (/ x (+ x 1)))))) (cbrt (atan (sqrt (- (/ 1 (+ x 1)) (/ x (+ x 1)))))))
* [enter]simplify:  Simplifying (cbrt (atan (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x))))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* [exit]simplify:  Simplified to (cbrt (atan (sqrt (- (/ 1 (+ x 1)) (/ x (+ x 1))))))
* [exit]simplify:  Simplified to (cbrt (atan (sqrt (- (/ 1 (+ x 1)) (/ x (+ x 1))))))
* * * * [misc]progress:  [ 72 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (cbrt (* (* (atan (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x))))) (atan (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x)))))) (atan (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x)))))))))>
* [enter]simplify:  Simplifying (* (* (atan (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x))))) (atan (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x)))))) (atan (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x))))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (16 enodes)
* [exit]simplify:  Simplified to (pow (atan (sqrt (- (/ 1 (+ x 1)) (/ x (+ x 1))))) 3)
* [exit]simplify:  Simplified to (pow (atan (sqrt (- (/ 1 (+ x 1)) (/ x (+ x 1))))) 3)
* * * * [misc]progress:  [ 73 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (* (sqrt (atan (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x)))))) (sqrt (atan (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x)))))))))>
* [enter]simplify:  Simplifying (sqrt (atan (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x))))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* [exit]simplify:  Simplified to (sqrt (atan (sqrt (- (/ 1 (+ x 1)) (/ x (+ x 1))))))
* [exit]simplify:  Simplified to (sqrt (atan (sqrt (- (/ 1 (+ x 1)) (/ x (+ x 1))))))
* [enter]simplify:  Simplifying (sqrt (atan (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x))))))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* [exit]simplify:  Simplified to (sqrt (atan (sqrt (- (/ 1 (+ x 1)) (/ x (+ x 1))))))
* [exit]simplify:  Simplified to (sqrt (atan (sqrt (- (/ 1 (+ x 1)) (/ x (+ x 1))))))
* * * * [misc]progress:  [ 74 / 86 ] simplifiying candidate #<alt-delta (λ (x) (* 2 (* 1 (atan (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x))))))))>
* * * * [misc]progress:  [ 75 / 86 ] simplifiying candidate #<alt-event (λ (x) (* 2 (atan (sqrt (- (- (+ (pow x 2) 1) x) (/ x (+ 1 x)))))))>
* [enter]simplify:  Simplifying (* 2 (atan (sqrt (- (- (+ (pow x 2) 1) x) (/ x (+ 1 x))))))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (23 enodes)
* * [misc]simplify:  iters left: 4 (33 enodes)
* * [misc]simplify:  iters left: 3 (48 enodes)
* * [misc]simplify:  iters left: 2 (63 enodes)
* * [misc]simplify:  iters left: 1 (83 enodes)
* [exit]simplify:  Simplified to (+ (atan (sqrt (- (- (fma x x 1) x) (/ x (+ 1 x))))) (atan (sqrt (- (- (fma x x 1) x) (/ x (+ 1 x))))))
* * * * [misc]progress:  [ 76 / 86 ] simplifiying candidate #<alt-event (λ (x) (* 2 (atan (sqrt (- (- (+ (/ 1 (pow x 3)) (/ 1 x)) (/ 1 (pow x 2))) (/ x (+ 1 x)))))))>
* [enter]simplify:  Simplifying (* 2 (atan (sqrt (- (- (+ (/ 1 (pow x 3)) (/ 1 x)) (/ 1 (pow x 2))) (/ x (+ 1 x))))))
* * [misc]simplify:  iters left: 6 (17 enodes)
* * [misc]simplify:  iters left: 5 (30 enodes)
* * [misc]simplify:  iters left: 4 (43 enodes)
* * [misc]simplify:  iters left: 3 (55 enodes)
* * [misc]simplify:  iters left: 2 (64 enodes)
* * [misc]simplify:  iters left: 1 (82 enodes)
* [exit]simplify:  Simplified to (+ (atan (sqrt (- (- (/ 1 x) (/ x (+ 1 x))) (- (/ 1 (* x x)) (/ (/ 1 x) (* x x)))))) (atan (sqrt (- (- (/ 1 x) (/ x (+ 1 x))) (- (/ 1 (* x x)) (/ (/ 1 x) (* x x)))))))
* * * * [misc]progress:  [ 77 / 86 ] simplifiying candidate #<alt-event (λ (x) (* 2 (atan (sqrt (- (- (+ (/ 1 (pow x 3)) (/ 1 x)) (/ 1 (pow x 2))) (/ x (+ 1 x)))))))>
* [enter]simplify:  Simplifying (* 2 (atan (sqrt (- (- (+ (/ 1 (pow x 3)) (/ 1 x)) (/ 1 (pow x 2))) (/ x (+ 1 x))))))
* * [misc]simplify:  iters left: 6 (17 enodes)
* * [misc]simplify:  iters left: 5 (30 enodes)
* * [misc]simplify:  iters left: 4 (43 enodes)
* * [misc]simplify:  iters left: 3 (55 enodes)
* * [misc]simplify:  iters left: 2 (64 enodes)
* * [misc]simplify:  iters left: 1 (82 enodes)
* [exit]simplify:  Simplified to (+ (atan (sqrt (- (- (/ 1 x) (/ x (+ 1 x))) (- (/ 1 (* x x)) (/ (/ 1 x) (* x x)))))) (atan (sqrt (- (- (/ 1 x) (/ x (+ 1 x))) (- (/ 1 (* x x)) (/ (/ 1 x) (* x x)))))))
* * * * [misc]progress:  [ 78 / 86 ] 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 (24 enodes)
* * [misc]simplify:  iters left: 4 (37 enodes)
* * [misc]simplify:  iters left: 3 (50 enodes)
* * [misc]simplify:  iters left: 2 (63 enodes)
* * [misc]simplify:  iters left: 1 (95 enodes)
* [exit]simplify:  Simplified to (+ (atan (sqrt (- (fma x (+ x x) 1) (+ x x)))) (atan (sqrt (- (fma x (+ x x) 1) (+ x x)))))
* * * * [misc]progress:  [ 79 / 86 ] 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 (30 enodes)
* * [misc]simplify:  iters left: 4 (48 enodes)
* * [misc]simplify:  iters left: 3 (72 enodes)
* * [misc]simplify:  iters left: 2 (107 enodes)
* * [misc]simplify:  iters left: 1 (136 enodes)
* [exit]simplify:  Simplified to (* 2 (atan (sqrt (- (/ 2 x) (fma (/ 1 x) (/ 2 x) 1)))))
* * * * [misc]progress:  [ 80 / 86 ] 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 (30 enodes)
* * [misc]simplify:  iters left: 4 (48 enodes)
* * [misc]simplify:  iters left: 3 (72 enodes)
* * [misc]simplify:  iters left: 2 (107 enodes)
* * [misc]simplify:  iters left: 1 (136 enodes)
* [exit]simplify:  Simplified to (* 2 (atan (sqrt (- (/ 2 x) (fma (/ 1 x) (/ 2 x) 1)))))
* * * * [misc]progress:  [ 81 / 86 ] simplifiying candidate #<alt-event (λ (x) (* 2 (atan (sqrt (- (/ 1 (+ 1 x)) (- (+ (pow x 3) x) (pow x 2)))))))>
* [enter]simplify:  Simplifying (* 2 (atan (sqrt (- (/ 1 (+ 1 x)) (- (+ (pow x 3) x) (pow x 2))))))
* * [misc]simplify:  iters left: 6 (14 enodes)
* * [misc]simplify:  iters left: 5 (27 enodes)
* * [misc]simplify:  iters left: 4 (42 enodes)
* * [misc]simplify:  iters left: 3 (62 enodes)
* * [misc]simplify:  iters left: 2 (93 enodes)
* * [misc]simplify:  iters left: 1 (123 enodes)
* [exit]simplify:  Simplified to (+ (atan (sqrt (+ (* x x) (- (/ 1 (+ 1 x)) (fma (* x x) x x))))) (atan (sqrt (+ (* x x) (- (/ 1 (+ 1 x)) (fma (* x x) x x))))))
* * * * [misc]progress:  [ 82 / 86 ] simplifiying candidate #<alt-event (λ (x) (* 2 (atan (sqrt (- (/ 1 (+ 1 x)) (- (+ 1 (/ 1 (pow x 2))) (/ 1 x)))))))>
* [enter]simplify:  Simplifying (* 2 (atan (sqrt (- (/ 1 (+ 1 x)) (- (+ 1 (/ 1 (pow x 2))) (/ 1 x))))))
* * [misc]simplify:  iters left: 6 (14 enodes)
* * [misc]simplify:  iters left: 5 (25 enodes)
* * [misc]simplify:  iters left: 4 (33 enodes)
* * [misc]simplify:  iters left: 3 (44 enodes)
* * [misc]simplify:  iters left: 2 (53 enodes)
* * [misc]simplify:  iters left: 1 (61 enodes)
* [exit]simplify:  Simplified to (+ (atan (sqrt (- (+ (/ 1 (+ 1 x)) (/ 1 x)) (+ (/ 1 (* x x)) 1)))) (atan (sqrt (- (+ (/ 1 (+ 1 x)) (/ 1 x)) (+ (/ 1 (* x x)) 1)))))
* * * * [misc]progress:  [ 83 / 86 ] simplifiying candidate #<alt-event (λ (x) (* 2 (atan (sqrt (- (/ 1 (+ 1 x)) (- (+ 1 (/ 1 (pow x 2))) (/ 1 x)))))))>
* [enter]simplify:  Simplifying (* 2 (atan (sqrt (- (/ 1 (+ 1 x)) (- (+ 1 (/ 1 (pow x 2))) (/ 1 x))))))
* * [misc]simplify:  iters left: 6 (14 enodes)
* * [misc]simplify:  iters left: 5 (25 enodes)
* * [misc]simplify:  iters left: 4 (33 enodes)
* * [misc]simplify:  iters left: 3 (44 enodes)
* * [misc]simplify:  iters left: 2 (53 enodes)
* * [misc]simplify:  iters left: 1 (61 enodes)
* [exit]simplify:  Simplified to (+ (atan (sqrt (- (+ (/ 1 (+ 1 x)) (/ 1 x)) (+ (/ 1 (* x x)) 1)))) (atan (sqrt (- (+ (/ 1 (+ 1 x)) (/ 1 x)) (+ (/ 1 (* x x)) 1)))))
* * * * [misc]progress:  [ 84 / 86 ] simplifiying candidate #<alt-event (λ (x) (* 2 (atan (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x)))))))>
* [enter]simplify:  Simplifying (* 2 (atan (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x))))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* [exit]simplify:  Simplified to (+ (atan (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x))))) (atan (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x))))))
* * * * [misc]progress:  [ 85 / 86 ] simplifiying candidate #<alt-event (λ (x) (* 2 (atan (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x)))))))>
* [enter]simplify:  Simplifying (* 2 (atan (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x))))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* [exit]simplify:  Simplified to (+ (atan (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x))))) (atan (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x))))))
* * * * [misc]progress:  [ 86 / 86 ] simplifiying candidate #<alt-event (λ (x) (* 2 (atan (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x)))))))>
* [enter]simplify:  Simplifying (* 2 (atan (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x))))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* [exit]simplify:  Simplified to (+ (atan (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x))))) (atan (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x))))))
* * * [misc]progress:  adding candidates to table
* [misc]progress:  [Phase 3 of 3] Extracting.
* * [misc]regime-changes:  Finding splitpoints for: (#<alt-delta (λ (x) (* 2 (atan (sqrt (- (/ 1 (+ 1 x)) (/ x (+ 1 x)))))))> #<alt-delta (λ (x) (* 2 (atan (sqrt (expm1 (log1p (/ (- 1 x) (+ 1 x))))))))>)
* [misc]regimes:  Found splitpoints: (#s(sp 0 (* 2 (atan (sqrt (/ (- 1 x) (+ 1 x))))) +inf.0)) , with alts (#<alt-delta (λ (x) (* 2 (atan (sqrt (expm1 (log1p (/ (- 1 x) (+ 1 x))))))))>)
* [enter]simplify:  Simplifying (log1p (/ (- 1 x) (+ 1 x)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* [exit]simplify:  Simplified to (log1p (/ (- 1 x) (+ x 1)))
* [exit]simplify:  Simplified to (log1p (/ (- 1 x) (+ x 1)))