* [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 (+ (/ 1 (- x 1)) (/ x (+ x 1)))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (11 enodes)
* [exit]simplify:  Simplified to (+ (/ x (+ x 1)) (/ 1 (- x 1)))
* * [misc]progress:  iteration 1 / 4
* * * [misc]progress:  picking best candidate
* * * * [misc]pick:  Picked  #<alt-event (λ (x) (+ (/ 1 (- x 1)) (/ x (+ x 1))))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 1 ] rewriting at (2 1)
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 1 ] generating series at (2 1)
* [misc]approximate:  Taking taylor expansion of (/ 1 (- x 1)) in (x) around 0
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x 1)) in x
* [misc]taylor:  Taking taylor expansion of (- x 1) 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 in x
* [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 (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x 1)) in x
* [misc]taylor:  Taking taylor expansion of (- x 1) 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 in x
* [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 (/ 1 -1) into -1
* [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 (/ 1 -1)))) into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* -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 x) 1)) in (x) around 0
* [misc]taylor:  Taking taylor expansion of (/ 1 (- (/ 1 x) 1)) in x
* [misc]taylor:  Taking taylor expansion of (- (/ 1 x) 1) 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 in x
* [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) 1)) in x
* [misc]taylor:  Taking taylor expansion of (- (/ 1 x) 1) 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 in x
* [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 (- (+ (* 1 (/ 0 1)))) into 0
* [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 (/ 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)) (* 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 (- x)) 1)) in (x) around 0
* [misc]taylor:  Taking taylor expansion of (/ 1 (- (/ 1 (- x)) 1)) in x
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (- x)) 1) 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 in x
* [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)) 1)) in x
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (- x)) 1) 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 in x
* [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) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [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) 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 (- (+ (* -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:  simplifying candidates
* * * * [misc]progress:  [ 1 / 21 ] simplifiying candidate #<alt-delta (λ (x) (+ (pow (- x 1) -1) (/ x (+ x 1))))>
* * * * [misc]progress:  [ 2 / 21 ] simplifiying candidate #<alt-delta (λ (x) (+ (pow (- x 1) (- 1)) (/ x (+ x 1))))>
* [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:  [ 3 / 21 ] simplifiying candidate #<alt-delta (λ (x) (+ (pow (/ 1 (- x 1)) 1) (/ x (+ x 1))))>
* * * * [misc]progress:  [ 4 / 21 ] simplifiying candidate #<alt-delta (λ (x) (+ (exp (- (log (- x 1)))) (/ x (+ x 1))))>
* [enter]simplify:  Simplifying (- (log (- x 1)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (7 enodes)
* [exit]simplify:  Simplified to (- (log (- x 1)))
* [exit]simplify:  Simplified to (- (log (- x 1)))
* * * * [misc]progress:  [ 5 / 21 ] simplifiying candidate #<alt-delta (λ (x) (+ (exp (log (/ 1 (- x 1)))) (/ x (+ x 1))))>
* [enter]simplify:  Simplifying (log (/ 1 (- x 1)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* [exit]simplify:  Simplified to (- (log (- x 1)))
* [exit]simplify:  Simplified to (- (log (- x 1)))
* * * * [misc]progress:  [ 6 / 21 ] simplifiying candidate #<alt-delta (λ (x) (+ (log (exp (/ 1 (- x 1)))) (/ x (+ x 1))))>
* [enter]simplify:  Simplifying (exp (/ 1 (- x 1)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (7 enodes)
* [exit]simplify:  Simplified to (exp (/ 1 (- x 1)))
* [exit]simplify:  Simplified to (exp (/ 1 (- x 1)))
* * * * [misc]progress:  [ 7 / 21 ] simplifiying candidate #<alt-delta (λ (x) (+ (* (* (cbrt (/ 1 (- x 1))) (cbrt (/ 1 (- x 1)))) (cbrt (/ 1 (- x 1)))) (/ x (+ x 1))))>
* [enter]simplify:  Simplifying (* (cbrt (/ 1 (- x 1))) (cbrt (/ 1 (- x 1))))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (8 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 (- x 1)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (7 enodes)
* [exit]simplify:  Simplified to (cbrt (/ 1 (- x 1)))
* [exit]simplify:  Simplified to (cbrt (/ 1 (- x 1)))
* * * * [misc]progress:  [ 8 / 21 ] simplifiying candidate #<alt-delta (λ (x) (+ (cbrt (* (* (/ 1 (- x 1)) (/ 1 (- x 1))) (/ 1 (- x 1)))) (/ x (+ x 1))))>
* [enter]simplify:  Simplifying (* (* (/ 1 (- x 1)) (/ 1 (- x 1))) (/ 1 (- x 1)))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (13 enodes)
* * [misc]simplify:  iters left: 4 (19 enodes)
* * [misc]simplify:  iters left: 3 (30 enodes)
* * [misc]simplify:  iters left: 2 (39 enodes)
* * [misc]simplify:  iters left: 1 (43 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:  [ 9 / 21 ] simplifiying candidate #<alt-delta (λ (x) (+ (* (sqrt (/ 1 (- x 1))) (sqrt (/ 1 (- x 1)))) (/ x (+ x 1))))>
* [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)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (7 enodes)
* [exit]simplify:  Simplified to (sqrt (/ 1 (- x 1)))
* [exit]simplify:  Simplified to (sqrt (/ 1 (- x 1)))
* * * * [misc]progress:  [ 10 / 21 ] simplifiying candidate #<alt-delta (λ (x) (+ (/ (- 1) (- (- x 1))) (/ x (+ x 1))))>
* [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 (- (- x 1))
* * [misc]simplify:  iters left: 4 (4 enodes)
* * [misc]simplify:  iters left: 3 (6 enodes)
* [exit]simplify:  Simplified to (- (- x 1))
* [exit]simplify:  Simplified to (- (- x 1))
* * * * [misc]progress:  [ 11 / 21 ] simplifiying candidate #<alt-delta (λ (x) (+ (* 1 (/ 1 (- x 1))) (/ x (+ x 1))))>
* * * * [misc]progress:  [ 12 / 21 ] simplifiying candidate #<alt-delta (λ (x) (+ (* 1 (/ 1 (- x 1))) (/ x (+ x 1))))>
* [enter]simplify:  Simplifying (/ 1 (- x 1))
* * [misc]simplify:  iters left: 4 (4 enodes)
* * [misc]simplify:  iters left: 3 (6 enodes)
* [exit]simplify:  Simplified to (/ 1 (- x 1))
* [exit]simplify:  Simplified to (/ 1 (- x 1))
* * * * [misc]progress:  [ 13 / 21 ] simplifiying candidate #<alt-delta (λ (x) (+ (/ 1 (/ (- x 1) 1)) (/ x (+ x 1))))>
* [enter]simplify:  Simplifying (/ (- x 1) 1)
* * [misc]simplify:  iters left: 4 (4 enodes)
* * [misc]simplify:  iters left: 3 (9 enodes)
* [exit]simplify:  Simplified to (- (/ x 1) 1)
* [exit]simplify:  Simplified to (- (/ x 1) 1)
* * * * [misc]progress:  [ 14 / 21 ] simplifiying candidate #<alt-delta (λ (x) (+ (/ (/ 1 (* (cbrt (- x 1)) (cbrt (- x 1)))) (cbrt (- x 1))) (/ x (+ x 1))))>
* [enter]simplify:  Simplifying (/ 1 (* (cbrt (- x 1)) (cbrt (- x 1))))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (10 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:  [ 15 / 21 ] simplifiying candidate #<alt-delta (λ (x) (+ (/ (/ 1 (sqrt (- x 1))) (sqrt (- x 1))) (/ x (+ x 1))))>
* [enter]simplify:  Simplifying (/ 1 (sqrt (- x 1)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (7 enodes)
* [exit]simplify:  Simplified to (/ 1 (sqrt (- x 1)))
* [exit]simplify:  Simplified to (/ 1 (sqrt (- x 1)))
* * * * [misc]progress:  [ 16 / 21 ] simplifiying candidate #<alt-delta (λ (x) (+ (/ (/ 1 1) (- x 1)) (/ x (+ x 1))))>
* [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:  [ 17 / 21 ] simplifiying candidate #<alt-delta (λ (x) (+ (* (/ 1 (- (pow x 3) (pow 1 3))) (+ (* x x) (+ (* 1 1) (* x 1)))) (/ x (+ x 1))))>
* [enter]simplify:  Simplifying (/ 1 (- (pow x 3) (pow 1 3)))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* [exit]simplify:  Simplified to (/ 1 (- (pow x 3) 1))
* [exit]simplify:  Simplified to (/ 1 (- (pow x 3) 1))
* * * * [misc]progress:  [ 18 / 21 ] simplifiying candidate #<alt-delta (λ (x) (+ (* (/ 1 (- (* x x) (* 1 1))) (+ x 1)) (/ x (+ x 1))))>
* [enter]simplify:  Simplifying (/ 1 (- (* x x) (* 1 1)))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (15 enodes)
* * [misc]simplify:  iters left: 2 (23 enodes)
* * [misc]simplify:  iters left: 1 (29 enodes)
* [exit]simplify:  Simplified to (/ 1 (- (* x x) 1))
* [exit]simplify:  Simplified to (/ 1 (- (* x x) 1))
* * * * [misc]progress:  [ 19 / 21 ] simplifiying candidate #<alt-event (λ (x) (+ (- (+ (pow x 2) (+ 1 x))) (/ x (+ x 1))))>
* [enter]simplify:  Simplifying (+ (- (+ (pow x 2) (+ 1 x))) (/ x (+ x 1)))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* * [misc]simplify:  iters left: 4 (31 enodes)
* * [misc]simplify:  iters left: 3 (44 enodes)
* * [misc]simplify:  iters left: 2 (52 enodes)
* * [misc]simplify:  iters left: 1 (70 enodes)
* [exit]simplify:  Simplified to (+ (/ x (+ x 1)) (- (+ (+ x 1) (* x x))))
* * * * [misc]progress:  [ 20 / 21 ] simplifiying candidate #<alt-event (λ (x) (+ (+ (/ 1 (pow x 3)) (+ (/ 1 x) (/ 1 (pow x 2)))) (/ x (+ x 1))))>
* [enter]simplify:  Simplifying (+ (+ (/ 1 (pow x 3)) (+ (/ 1 x) (/ 1 (pow x 2)))) (/ x (+ x 1)))
* * [misc]simplify:  iters left: 6 (14 enodes)
* * [misc]simplify:  iters left: 5 (24 enodes)
* * [misc]simplify:  iters left: 4 (36 enodes)
* * [misc]simplify:  iters left: 3 (47 enodes)
* * [misc]simplify:  iters left: 2 (69 enodes)
* * [misc]simplify:  iters left: 1 (76 enodes)
* [exit]simplify:  Simplified to (+ (+ (/ 1 (* x x)) (/ x (+ x 1))) (+ (/ (/ 1 x) (* x x)) (/ 1 x)))
* * * * [misc]progress:  [ 21 / 21 ] simplifiying candidate #<alt-event (λ (x) (+ (+ (/ 1 (pow x 3)) (+ (/ 1 x) (/ 1 (pow x 2)))) (/ x (+ x 1))))>
* [enter]simplify:  Simplifying (+ (+ (/ 1 (pow x 3)) (+ (/ 1 x) (/ 1 (pow x 2)))) (/ x (+ x 1)))
* * [misc]simplify:  iters left: 6 (14 enodes)
* * [misc]simplify:  iters left: 5 (24 enodes)
* * [misc]simplify:  iters left: 4 (36 enodes)
* * [misc]simplify:  iters left: 3 (47 enodes)
* * [misc]simplify:  iters left: 2 (69 enodes)
* * [misc]simplify:  iters left: 1 (76 enodes)
* [exit]simplify:  Simplified to (+ (+ (/ 1 (* x x)) (/ x (+ x 1))) (+ (/ (/ 1 x) (* x x)) (/ 1 x)))
* * * [misc]progress:  adding candidates to table
* [misc]progress:  [Phase 3 of 3] Extracting.
* [enter]simplify:  Simplifying (+ (/ 1 (- x 1)) (/ x (+ x 1)))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (11 enodes)
* [exit]simplify:  Simplified to (+ (/ x (+ x 1)) (/ 1 (- x 1)))