* [misc]progress:  [Phase 1 of 3] Setting up.
* * * [misc]progress:  [1/2] Preparing points
* * * [misc]progress:  [2/2] Setting up program.
* [enter]simplify:  Simplifying (sqrt (/ (- (exp (* 2 x)) 1) (- (exp x) 1)))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* * [misc]simplify:  iters left: 4 (21 enodes)
* * [misc]simplify:  iters left: 3 (26 enodes)
* * [misc]simplify:  iters left: 2 (35 enodes)
* * [misc]simplify:  iters left: 1 (49 enodes)
* [exit]simplify:  Simplified to (sqrt (/ (+ 1 (exp x)) 1))
* [misc]progress:  [Phase 2 of 3] Improving.
* * [misc]progress:  iteration 1 / 3
* * * [misc]progress:  picking best candidate
* * * * [misc]pick:  Picked  #<alt-delta (λ (x) (sqrt (/ (+ 1 (exp x)) 1)))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 1 ] generating series at (2)
* [misc]approximate:  Taking taylor expansion of (sqrt (/ (+ 1 (exp x)) 1)) in (x) around 0
* [misc]taylor:  Taking taylor expansion of (sqrt (/ (+ 1 (exp x)) 1)) in x
* [misc]taylor:  Taking taylor expansion of (/ (+ 1 (exp x)) 1) in x
* [misc]taylor:  Taking taylor expansion of (+ 1 (exp 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 (exp 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 (exp 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 1 1) into 2
* [misc]backup-simplify:  Simplify (/ 2 1) into 2
* [misc]backup-simplify:  Simplify (sqrt 2) into (sqrt 2)
* [misc]backup-simplify:  Simplify (* (exp 0) (+ (* (/ (pow 1 1) 1)))) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (- (/ 1 1) (+ (* 2 (/ 0 1)))) into 1
* [misc]backup-simplify:  Simplify (/ 1 (* 2 (sqrt 2))) into (/ 1/2 (sqrt 2))
* [misc]taylor:  Taking taylor expansion of (sqrt (/ (+ 1 (exp x)) 1)) in x
* [misc]taylor:  Taking taylor expansion of (/ (+ 1 (exp x)) 1) in x
* [misc]taylor:  Taking taylor expansion of (+ 1 (exp 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 (exp 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 (exp 0) into 1
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 1 1) into 2
* [misc]backup-simplify:  Simplify (/ 2 1) into 2
* [misc]backup-simplify:  Simplify (sqrt 2) into (sqrt 2)
* [misc]backup-simplify:  Simplify (* (exp 0) (+ (* (/ (pow 1 1) 1)))) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (- (/ 1 1) (+ (* 2 (/ 0 1)))) into 1
* [misc]backup-simplify:  Simplify (/ 1 (* 2 (sqrt 2))) into (/ 1/2 (sqrt 2))
* [misc]backup-simplify:  Simplify (sqrt 2) into (sqrt 2)
* [misc]backup-simplify:  Simplify (/ 1/2 (sqrt 2)) into (/ 1/2 (sqrt 2))
* [misc]backup-simplify:  Simplify (* (exp 0) (+ (* (/ (pow 1 2) 2)) (* (/ (pow 0 1) 1)))) into 1/2
* [misc]backup-simplify:  Simplify (+ 0 1/2) into 1/2
* [misc]backup-simplify:  Simplify (- (/ 1/2 1) (+ (* 2 (/ 0 1)) (* 1 (/ 0 1)))) into 1/2
* [misc]backup-simplify:  Simplify (/ (- 1/2 (sqr (/ 1/2 (sqrt 2))) (+)) (* 2 (sqrt 2))) into (* 1/2 (/ (- 1/2 (* 1/4 (/ 1 (sqr (sqrt 2))))) (sqrt 2)))
* [misc]backup-simplify:  Simplify (* 1/2 (/ (- 1/2 (* 1/4 (/ 1 (sqr (sqrt 2))))) (sqrt 2))) into (* 1/2 (/ (- 1/2 (* 1/4 (/ 1 (sqr (sqrt 2))))) (sqrt 2)))
* [misc]backup-simplify:  Simplify (+ (* (* 1/2 (/ (- 1/2 (* 1/4 (/ 1 (sqr (sqrt 2))))) (sqrt 2))) (sqr x)) (+ (* (/ 1/2 (sqrt 2)) x) (sqrt 2))) into (- (+ (* 1/2 (/ x (sqrt 2))) (+ (* 1/4 (/ (sqr x) (sqrt 2))) (sqrt 2))) (* 1/8 (/ (sqr x) (pow (sqrt 2) 3))))
* [misc]approximate:  Taking taylor expansion of (sqrt (/ (+ 1 (exp (/ 1 x))) 1)) in (x) around 0
* [misc]taylor:  Taking taylor expansion of (sqrt (/ (+ 1 (exp (/ 1 x))) 1)) in x
* [misc]taylor:  Taking taylor expansion of (/ (+ 1 (exp (/ 1 x))) 1) in x
* [misc]taylor:  Taking taylor expansion of (+ 1 (exp (/ 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 (exp (/ 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]backup-simplify:  Simplify (exp (/ 1 x)) into (exp (/ 1 x))
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 1 (exp (/ 1 x))) into (+ 1 (exp (/ 1 x)))
* [misc]backup-simplify:  Simplify (/ (+ 1 (exp (/ 1 x))) 1) into (+ 1 (exp (/ 1 x)))
* [misc]backup-simplify:  Simplify (sqrt (+ 1 (exp (/ 1 x)))) into (sqrt (+ 1 (exp (/ 1 x))))
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* (+ 1 (exp (/ 1 x))) (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (+ 1 (exp (/ 1 x)))))) into 0
* [misc]taylor:  Taking taylor expansion of (sqrt (/ (+ 1 (exp (/ 1 x))) 1)) in x
* [misc]taylor:  Taking taylor expansion of (/ (+ 1 (exp (/ 1 x))) 1) in x
* [misc]taylor:  Taking taylor expansion of (+ 1 (exp (/ 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 (exp (/ 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]backup-simplify:  Simplify (exp (/ 1 x)) into (exp (/ 1 x))
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 1 (exp (/ 1 x))) into (+ 1 (exp (/ 1 x)))
* [misc]backup-simplify:  Simplify (/ (+ 1 (exp (/ 1 x))) 1) into (+ 1 (exp (/ 1 x)))
* [misc]backup-simplify:  Simplify (sqrt (+ 1 (exp (/ 1 x)))) into (sqrt (+ 1 (exp (/ 1 x))))
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* (+ 1 (exp (/ 1 x))) (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (+ 1 (exp (/ 1 x)))))) into 0
* [misc]backup-simplify:  Simplify (sqrt (+ 1 (exp (/ 1 x)))) into (sqrt (+ 1 (exp (/ 1 x))))
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* (+ 1 (exp (/ 1 x))) (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+)) (* 2 (sqrt (+ 1 (exp (/ 1 x)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* (+ 1 (exp (/ 1 x))) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (+ 1 (exp (/ 1 x)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* (+ 1 (exp (/ 1 x))) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)))) (* 2 (sqrt (+ 1 (exp (/ 1 x)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* (+ 1 (exp (/ 1 x))) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (+ 1 (exp (/ 1 x)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* (+ 1 (exp (/ 1 x))) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (+ 1 (exp (/ 1 x)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (sqrt (+ 1 (exp (/ 1 x)))) into (sqrt (+ 1 (exp (/ 1 x))))
* [misc]approximate:  Taking taylor expansion of (sqrt (/ (+ 1 (exp (/ 1 (- x)))) 1)) in (x) around 0
* [misc]taylor:  Taking taylor expansion of (sqrt (/ (+ 1 (exp (/ 1 (- x)))) 1)) in x
* [misc]taylor:  Taking taylor expansion of (/ (+ 1 (exp (/ 1 (- x)))) 1) in x
* [misc]taylor:  Taking taylor expansion of (+ 1 (exp (/ 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 (exp (/ 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]backup-simplify:  Simplify (exp (/ 1 (- x))) into (exp (/ -1 x))
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 1 (exp (/ -1 x))) into (+ 1 (exp (/ -1 x)))
* [misc]backup-simplify:  Simplify (/ (+ 1 (exp (/ -1 x))) 1) into (+ 1 (exp (/ -1 x)))
* [misc]backup-simplify:  Simplify (sqrt (+ 1 (exp (/ -1 x)))) into (sqrt (+ 1 (exp (/ -1 x))))
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* (+ 1 (exp (/ -1 x))) (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (+ 1 (exp (/ -1 x)))))) into 0
* [misc]taylor:  Taking taylor expansion of (sqrt (/ (+ 1 (exp (/ 1 (- x)))) 1)) in x
* [misc]taylor:  Taking taylor expansion of (/ (+ 1 (exp (/ 1 (- x)))) 1) in x
* [misc]taylor:  Taking taylor expansion of (+ 1 (exp (/ 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 (exp (/ 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]backup-simplify:  Simplify (exp (/ 1 (- x))) into (exp (/ -1 x))
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 1 (exp (/ -1 x))) into (+ 1 (exp (/ -1 x)))
* [misc]backup-simplify:  Simplify (/ (+ 1 (exp (/ -1 x))) 1) into (+ 1 (exp (/ -1 x)))
* [misc]backup-simplify:  Simplify (sqrt (+ 1 (exp (/ -1 x)))) into (sqrt (+ 1 (exp (/ -1 x))))
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* (+ 1 (exp (/ -1 x))) (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (/ 0 (* 2 (sqrt (+ 1 (exp (/ -1 x)))))) into 0
* [misc]backup-simplify:  Simplify (sqrt (+ 1 (exp (/ -1 x)))) into (sqrt (+ 1 (exp (/ -1 x))))
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* (+ 1 (exp (/ -1 x))) (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+)) (* 2 (sqrt (+ 1 (exp (/ -1 x)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* (+ 1 (exp (/ -1 x))) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (+ 1 (exp (/ -1 x)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* (+ 1 (exp (/ -1 x))) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)))) (* 2 (sqrt (+ 1 (exp (/ -1 x)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* (+ 1 (exp (/ -1 x))) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (+ 1 (exp (/ -1 x)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* (+ 1 (exp (/ -1 x))) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (/ (- 0 (sqr 0) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (+ 1 (exp (/ -1 x)))))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (sqrt (+ 1 (exp (/ -1 x)))) into (sqrt (+ 1 (exp (/ -1 x))))
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 1 ] rewriting at (2)
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 15 ] simplifiying candidate #<alt-event (λ (x) (- (+ (* 1/2 (/ x (sqrt 2))) (+ (* 1/4 (/ (sqr x) (sqrt 2))) (sqrt 2))) (* 1/8 (/ (sqr x) (pow (sqrt 2) 3)))))>
* [enter]simplify:  Simplifying (- (+ (* 1/2 (/ x (sqrt 2))) (+ (* 1/4 (/ (sqr x) (sqrt 2))) (sqrt 2))) (* 1/8 (/ (sqr x) (pow (sqrt 2) 3))))
* * [misc]simplify:  iters left: 6 (18 enodes)
* * [misc]simplify:  iters left: 5 (32 enodes)
* * [misc]simplify:  iters left: 4 (55 enodes)
* * [misc]simplify:  iters left: 3 (87 enodes)
* * [misc]simplify:  iters left: 2 (153 enodes)
* * [misc]simplify:  iters left: 1 (232 enodes)
* [exit]simplify:  Simplified to (+ (+ (/ (* x 1/2) (sqrt 2)) (sqrt 2)) (* (/ (sqr x) (sqrt 2)) (- 1/4 (/ 1/8 2))))
* * * * [misc]progress:  [ 2 / 15 ] simplifiying candidate #<alt-event (λ (x) (sqrt (+ 1 (exp (/ 1 x)))))>
* [enter]simplify:  Simplifying (sqrt (+ 1 (exp (/ 1 x))))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (9 enodes)
* [exit]simplify:  Simplified to (sqrt (+ 1 (exp (/ 1 x))))
* * * * [misc]progress:  [ 3 / 15 ] simplifiying candidate #<alt-event (λ (x) (sqrt (+ 1 (exp (/ -1 x)))))>
* [enter]simplify:  Simplifying (sqrt (+ 1 (exp (/ -1 x))))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (10 enodes)
* [exit]simplify:  Simplified to (sqrt (+ (exp (/ -1 x)) 1))
* * * * [misc]progress:  [ 4 / 15 ] simplifiying candidate #<alt-delta (λ (x) (pow (/ (+ 1 (exp x)) 1) 1/2))>
* * * * [misc]progress:  [ 5 / 15 ] simplifiying candidate #<alt-delta (λ (x) (pow (sqrt (/ (+ 1 (exp x)) 1)) 1))>
* * * * [misc]progress:  [ 6 / 15 ] simplifiying candidate #<alt-delta (λ (x) (exp (log (sqrt (/ (+ 1 (exp x)) 1)))))>
* [enter]simplify:  Simplifying (log (sqrt (/ (+ 1 (exp x)) 1)))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (10 enodes)
* [exit]simplify:  Simplified to (log (sqrt (/ (+ 1 (exp x)) 1)))
* [exit]simplify:  Simplified to (log (sqrt (/ (+ 1 (exp x)) 1)))
* * * * [misc]progress:  [ 7 / 15 ] simplifiying candidate #<alt-delta (λ (x) (log (exp (sqrt (/ (+ 1 (exp x)) 1)))))>
* [enter]simplify:  Simplifying (exp (sqrt (/ (+ 1 (exp x)) 1)))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (10 enodes)
* [exit]simplify:  Simplified to (exp (sqrt (/ (+ 1 (exp x)) 1)))
* [exit]simplify:  Simplified to (exp (sqrt (/ (+ 1 (exp x)) 1)))
* * * * [misc]progress:  [ 8 / 15 ] simplifiying candidate #<alt-delta (λ (x) (cube (cbrt (sqrt (/ (+ 1 (exp x)) 1)))))>
* [enter]simplify:  Simplifying (cbrt (sqrt (/ (+ 1 (exp x)) 1)))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (10 enodes)
* [exit]simplify:  Simplified to (cbrt (sqrt (/ (+ 1 (exp x)) 1)))
* [exit]simplify:  Simplified to (cbrt (sqrt (/ (+ 1 (exp x)) 1)))
* * * * [misc]progress:  [ 9 / 15 ] simplifiying candidate #<alt-delta (λ (x) (cbrt (cube (sqrt (/ (+ 1 (exp x)) 1)))))>
* [enter]simplify:  Simplifying (cube (sqrt (/ (+ 1 (exp x)) 1)))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* [exit]simplify:  Simplified to (* (/ (+ 1 (exp x)) 1) (sqrt (/ (+ 1 (exp x)) 1)))
* [exit]simplify:  Simplified to (* (/ (+ 1 (exp x)) 1) (sqrt (/ (+ 1 (exp x)) 1)))
* * * * [misc]progress:  [ 10 / 15 ] simplifiying candidate #<alt-delta (λ (x) (* (sqrt 1) (sqrt (/ (+ 1 (exp x)) 1))))>
* [enter]simplify:  Simplifying (sqrt 1)
* * [misc]simplify:  iters left: 1 (2 enodes)
* [exit]simplify:  Simplified to (sqrt 1)
* [exit]simplify:  Simplified to (sqrt 1)
* [enter]simplify:  Simplifying (sqrt (/ (+ 1 (exp x)) 1))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (9 enodes)
* [exit]simplify:  Simplified to (sqrt (/ (+ 1 (exp x)) 1))
* [exit]simplify:  Simplified to (sqrt (/ (+ 1 (exp x)) 1))
* * * * [misc]progress:  [ 11 / 15 ] simplifiying candidate #<alt-delta (λ (x) (* (sqrt (+ 1 (exp x))) (sqrt (/ 1 1))))>
* [enter]simplify:  Simplifying (sqrt (+ 1 (exp x)))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (8 enodes)
* [exit]simplify:  Simplified to (sqrt (+ 1 (exp x)))
* [exit]simplify:  Simplified to (sqrt (+ 1 (exp x)))
* [enter]simplify:  Simplifying (sqrt (/ 1 1))
* * [misc]simplify:  iters left: 3 (3 enodes)
* * [misc]simplify:  iters left: 2 (5 enodes)
* [exit]simplify:  Simplified to (sqrt 1)
* [exit]simplify:  Simplified to (sqrt 1)
* * * * [misc]progress:  [ 12 / 15 ] simplifiying candidate #<alt-delta (λ (x) (/ (sqrt (+ 1 (exp x))) (sqrt 1)))>
* [enter]simplify:  Simplifying (sqrt (+ 1 (exp x)))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (8 enodes)
* [exit]simplify:  Simplified to (sqrt (+ 1 (exp x)))
* [exit]simplify:  Simplified to (sqrt (+ 1 (exp x)))
* [enter]simplify:  Simplifying (sqrt 1)
* * [misc]simplify:  iters left: 1 (2 enodes)
* [exit]simplify:  Simplified to (sqrt 1)
* [exit]simplify:  Simplified to (sqrt 1)
* * * * [misc]progress:  [ 13 / 15 ] simplifiying candidate #<alt-delta (λ (x) (sqr (sqrt (sqrt (/ (+ 1 (exp x)) 1)))))>
* [enter]simplify:  Simplifying (sqrt (sqrt (/ (+ 1 (exp x)) 1)))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (10 enodes)
* [exit]simplify:  Simplified to (sqrt (sqrt (/ (+ 1 (exp x)) 1)))
* [exit]simplify:  Simplified to (sqrt (sqrt (/ (+ 1 (exp x)) 1)))
* * * * [misc]progress:  [ 14 / 15 ] simplifiying candidate #<alt-delta (λ (x) (fabs (sqrt (/ (+ 1 (exp x)) 1))))>
* * * * [misc]progress:  [ 15 / 15 ] simplifiying candidate #<alt-delta (λ (x) (* 1 (sqrt (/ (+ 1 (exp x)) 1))))>
* * * [misc]progress:  adding candidates to table
* [misc]progress:  [Phase 3 of 3] Extracting.
* [enter]simplify:  Simplifying (/ (+ 1 (exp x)) 1)
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (8 enodes)
* [exit]simplify:  Simplified to (/ (+ 1 (exp x)) 1)
* [exit]simplify:  Simplified to (/ (+ 1 (exp x)) 1)