* [misc]progress:  [Phase 1 of 3] Setting up.
* * * [misc]progress:  [1/2] Preparing points
* * * [misc]progress:  [2/2] Setting up program.
* [enter]simplify:  Simplifying (/ (* x y) 2.0)
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (8 enodes)
* * [misc]simplify:  iters left: 2 (10 enodes)
* * [misc]simplify:  iters left: 1 (13 enodes)
* [exit]simplify:  Simplified to (/ (* y x) 2.0)
* [misc]progress:  [Phase 2 of 3] Improving.
* * [misc]progress:  iteration 1 / 3
* * * [misc]progress:  picking best candidate
* * * * [misc]pick:  Picked  #<alt-event (λ (x y) (/ (* x y) 2.0))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 1 ] generating series at (2)
* [misc]approximate:  Taking taylor expansion of (/ (* x y) 2.0) in (x y) around 0
* [misc]taylor:  Taking taylor expansion of (/ (* x y) 2.0) in y
* [misc]taylor:  Taking taylor expansion of (* x y) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 2.0 in y
* [misc]backup-simplify:  Simplify 2.0 into 2.0
* [misc]backup-simplify:  Simplify (* x 0) into 0
* [misc]backup-simplify:  Simplify (+ (* x 1) (* 0 0)) into x
* [misc]backup-simplify:  Simplify (/ x 2.0) into (* 0.5 x)
* [misc]taylor:  Taking taylor expansion of (/ (* x y) 2.0) in x
* [misc]taylor:  Taking taylor expansion of (* x y) 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 y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]taylor:  Taking taylor expansion of 2.0 in x
* [misc]backup-simplify:  Simplify 2.0 into 2.0
* [misc]backup-simplify:  Simplify (* 0 y) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 y)) into y
* [misc]backup-simplify:  Simplify (/ y 2.0) into (* 0.5 y)
* [misc]taylor:  Taking taylor expansion of (/ (* x y) 2.0) in x
* [misc]taylor:  Taking taylor expansion of (* x y) 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 y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]taylor:  Taking taylor expansion of 2.0 in x
* [misc]backup-simplify:  Simplify 2.0 into 2.0
* [misc]backup-simplify:  Simplify (* 0 y) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 y)) into y
* [misc]backup-simplify:  Simplify (/ y 2.0) into (* 0.5 y)
* [misc]taylor:  Taking taylor expansion of (* 0.5 y) in y
* [misc]taylor:  Taking taylor expansion of 0.5 in y
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 2.0) (+ (* (* 0.5 y) (/ 0 2.0)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 y)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 2.0) (+ (* (* 0.5 y) (/ 0 2.0)) (* 0 (/ 0 2.0)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [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 (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 2.0) (+ (* (* 0.5 y) (/ 0 2.0)) (* 0 (/ 0 2.0)) (* 0 (/ 0 2.0)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* 0.5 (* y x)) into (* 0.5 (* y x))
* [misc]approximate:  Taking taylor expansion of (/ (* (/ 1 x) (/ 1 y)) 2.0) in (x y) around 0
* [misc]taylor:  Taking taylor expansion of (/ (* (/ 1 x) (/ 1 y)) 2.0) in y
* [misc]taylor:  Taking taylor expansion of (* (/ 1 x) (/ 1 y)) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (/ 1 x) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [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 2.0 in y
* [misc]backup-simplify:  Simplify 2.0 into 2.0
* [misc]backup-simplify:  Simplify (* (/ 1 x) 1) into (/ 1 x)
* [misc]backup-simplify:  Simplify (/ (/ 1 x) 2.0) into (/ 0.5 x)
* [misc]taylor:  Taking taylor expansion of (/ (* (/ 1 x) (/ 1 y)) 2.0) in x
* [misc]taylor:  Taking taylor expansion of (* (/ 1 x) (/ 1 y)) 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 y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]taylor:  Taking taylor expansion of 2.0 in x
* [misc]backup-simplify:  Simplify 2.0 into 2.0
* [misc]backup-simplify:  Simplify (* 1 (/ 1 y)) into (/ 1 y)
* [misc]backup-simplify:  Simplify (/ (/ 1 y) 2.0) into (/ 0.5 y)
* [misc]taylor:  Taking taylor expansion of (/ (* (/ 1 x) (/ 1 y)) 2.0) in x
* [misc]taylor:  Taking taylor expansion of (* (/ 1 x) (/ 1 y)) 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 y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]taylor:  Taking taylor expansion of 2.0 in x
* [misc]backup-simplify:  Simplify 2.0 into 2.0
* [misc]backup-simplify:  Simplify (* 1 (/ 1 y)) into (/ 1 y)
* [misc]backup-simplify:  Simplify (/ (/ 1 y) 2.0) into (/ 0.5 y)
* [misc]taylor:  Taking taylor expansion of (/ 0.5 y) in y
* [misc]taylor:  Taking taylor expansion of 0.5 in y
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 0.5 1) into 0.5
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (* 0 (/ 1 y))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 2.0) (+ (* (/ 0.5 y) (/ 0 2.0)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 2.0) (+ (* (/ 0.5 y) (/ 0 2.0)) (* 0 (/ 0 2.0)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 2.0) (+ (* (/ 0.5 y) (/ 0 2.0)) (* 0 (/ 0 2.0)) (* 0 (/ 0 2.0)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [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 1) (+ (* 0.5 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* 0.5 (* (/ 1 (/ 1 y)) (/ 1 (/ 1 x)))) into (* 0.5 (* y x))
* [misc]approximate:  Taking taylor expansion of (/ (* (/ 1 (- x)) (/ 1 (- y))) 2.0) in (x y) around 0
* [misc]taylor:  Taking taylor expansion of (/ (* (/ 1 (- x)) (/ 1 (- y))) 2.0) in y
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- x)) (/ 1 (- y))) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in y
* [misc]taylor:  Taking taylor expansion of (- x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (/ 1 (- x)) into (/ -1 x)
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in y
* [misc]taylor:  Taking taylor expansion of (- y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [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 2.0 in y
* [misc]backup-simplify:  Simplify 2.0 into 2.0
* [misc]backup-simplify:  Simplify (* (/ -1 x) -1) into (/ 1 x)
* [misc]backup-simplify:  Simplify (/ (/ 1 x) 2.0) into (/ 0.5 x)
* [misc]taylor:  Taking taylor expansion of (/ (* (/ 1 (- x)) (/ 1 (- y))) 2.0) in x
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- x)) (/ 1 (- y))) 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 (- y)) in x
* [misc]taylor:  Taking taylor expansion of (- y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (/ 1 (- y)) into (/ -1 y)
* [misc]taylor:  Taking taylor expansion of 2.0 in x
* [misc]backup-simplify:  Simplify 2.0 into 2.0
* [misc]backup-simplify:  Simplify (* -1 (/ -1 y)) into (/ 1 y)
* [misc]backup-simplify:  Simplify (/ (/ 1 y) 2.0) into (/ 0.5 y)
* [misc]taylor:  Taking taylor expansion of (/ (* (/ 1 (- x)) (/ 1 (- y))) 2.0) in x
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- x)) (/ 1 (- y))) 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 (- y)) in x
* [misc]taylor:  Taking taylor expansion of (- y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (/ 1 (- y)) into (/ -1 y)
* [misc]taylor:  Taking taylor expansion of 2.0 in x
* [misc]backup-simplify:  Simplify 2.0 into 2.0
* [misc]backup-simplify:  Simplify (* -1 (/ -1 y)) into (/ 1 y)
* [misc]backup-simplify:  Simplify (/ (/ 1 y) 2.0) into (/ 0.5 y)
* [misc]taylor:  Taking taylor expansion of (/ 0.5 y) in y
* [misc]taylor:  Taking taylor expansion of 0.5 in y
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 0.5 1) into 0.5
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 y) (/ 0 (- y))))) 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) (* 0 (/ -1 y))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 2.0) (+ (* (/ 0.5 y) (/ 0 2.0)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 y) (/ 0 (- y))) (* 0 (/ 0 (- y))))) 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 (+ (* -1 0) (+ (* 0 0) (* 0 (/ -1 y)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 2.0) (+ (* (/ 0.5 y) (/ 0 2.0)) (* 0 (/ 0 2.0)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 y) (/ 0 (- y))) (* 0 (/ 0 (- y))) (* 0 (/ 0 (- y))))) 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 (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ -1 y))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 2.0) (+ (* (/ 0.5 y) (/ 0 2.0)) (* 0 (/ 0 2.0)) (* 0 (/ 0 2.0)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [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 1) (+ (* 0.5 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* 0.5 (* (/ 1 (/ 1 (- y))) (/ 1 (/ 1 (- x))))) into (* 0.5 (* y x))
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 1 ] rewriting at (2)
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 14 ] simplifiying candidate #<alt-event (λ (x y) (* 0.5 (* y x)))>
* [enter]simplify:  Simplifying (* 0.5 (* y x))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (8 enodes)
* * [misc]simplify:  iters left: 2 (11 enodes)
* * [misc]simplify:  iters left: 1 (15 enodes)
* [exit]simplify:  Simplified to (* 0.5 (* x y))
* * * * [misc]progress:  [ 2 / 14 ] simplifiying candidate #<alt-event (λ (x y) (* 0.5 (* y x)))>
* [enter]simplify:  Simplifying (* 0.5 (* y x))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (8 enodes)
* * [misc]simplify:  iters left: 2 (11 enodes)
* * [misc]simplify:  iters left: 1 (15 enodes)
* [exit]simplify:  Simplified to (* 0.5 (* x y))
* * * * [misc]progress:  [ 3 / 14 ] simplifiying candidate #<alt-event (λ (x y) (* 0.5 (* y x)))>
* [enter]simplify:  Simplifying (* 0.5 (* y x))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (8 enodes)
* * [misc]simplify:  iters left: 2 (11 enodes)
* * [misc]simplify:  iters left: 1 (15 enodes)
* [exit]simplify:  Simplified to (* 0.5 (* x y))
* * * * [misc]progress:  [ 4 / 14 ] simplifiying candidate #<alt-delta (λ (x y) (pow (/ (* x y) 2.0) 1))>
* * * * [misc]progress:  [ 5 / 14 ] simplifiying candidate #<alt-delta (λ (x y) (exp (log (/ (* x y) 2.0))))>
* [enter]simplify:  Simplifying (log (/ (* x y) 2.0))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* * [misc]simplify:  iters left: 3 (18 enodes)
* * [misc]simplify:  iters left: 2 (27 enodes)
* * [misc]simplify:  iters left: 1 (34 enodes)
* [exit]simplify:  Simplified to (log (/ (* y x) 2.0))
* [exit]simplify:  Simplified to (log (/ (* y x) 2.0))
* * * * [misc]progress:  [ 6 / 14 ] simplifiying candidate #<alt-delta (λ (x y) (log (exp (/ (* x y) 2.0))))>
* [enter]simplify:  Simplifying (exp (/ (* x y) 2.0))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* * [misc]simplify:  iters left: 3 (11 enodes)
* * [misc]simplify:  iters left: 2 (16 enodes)
* * [misc]simplify:  iters left: 1 (18 enodes)
* [exit]simplify:  Simplified to (exp (* y (/ x 2.0)))
* [exit]simplify:  Simplified to (exp (* y (/ x 2.0)))
* * * * [misc]progress:  [ 7 / 14 ] simplifiying candidate #<alt-delta (λ (x y) (cube (cbrt (/ (* x y) 2.0))))>
* [enter]simplify:  Simplifying (cbrt (/ (* x y) 2.0))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* * [misc]simplify:  iters left: 3 (11 enodes)
* * [misc]simplify:  iters left: 2 (14 enodes)
* * [misc]simplify:  iters left: 1 (16 enodes)
* [exit]simplify:  Simplified to (cbrt (* y (/ x 2.0)))
* [exit]simplify:  Simplified to (cbrt (* y (/ x 2.0)))
* * * * [misc]progress:  [ 8 / 14 ] simplifiying candidate #<alt-delta (λ (x y) (cbrt (cube (/ (* x y) 2.0))))>
* [enter]simplify:  Simplifying (cube (/ (* x y) 2.0))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (14 enodes)
* * [misc]simplify:  iters left: 3 (36 enodes)
* * [misc]simplify:  iters left: 2 (83 enodes)
* * [misc]simplify:  iters left: 1 (122 enodes)
* [exit]simplify:  Simplified to (cube (/ (* y x) 2.0))
* [exit]simplify:  Simplified to (cube (/ (* y x) 2.0))
* * * * [misc]progress:  [ 9 / 14 ] simplifiying candidate #<alt-delta (λ (x y) (sqr (sqrt (/ (* x y) 2.0))))>
* [enter]simplify:  Simplifying (sqrt (/ (* x y) 2.0))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* * [misc]simplify:  iters left: 3 (11 enodes)
* * [misc]simplify:  iters left: 2 (14 enodes)
* * [misc]simplify:  iters left: 1 (16 enodes)
* [exit]simplify:  Simplified to (sqrt (* y (/ x 2.0)))
* [exit]simplify:  Simplified to (sqrt (* y (/ x 2.0)))
* * * * [misc]progress:  [ 10 / 14 ] simplifiying candidate #<alt-delta (λ (x y) (/ (- (* x y)) (- 2.0)))>
* [enter]simplify:  Simplifying (- (* x y))
* * [misc]simplify:  iters left: 4 (4 enodes)
* * [misc]simplify:  iters left: 3 (9 enodes)
* * [misc]simplify:  iters left: 2 (10 enodes)
* * [misc]simplify:  iters left: 1 (11 enodes)
* [exit]simplify:  Simplified to (* (- y) x)
* [exit]simplify:  Simplified to (* (- y) x)
* [enter]simplify:  Simplifying (- 2.0)
* * [misc]simplify:  iters left: 2 (2 enodes)
* [exit]simplify:  Simplified to (- 2.0)
* [exit]simplify:  Simplified to (- 2.0)
* * * * [misc]progress:  [ 11 / 14 ] simplifiying candidate #<alt-delta (λ (x y) (* 1 (/ (* x y) 2.0)))>
* * * * [misc]progress:  [ 12 / 14 ] simplifiying candidate #<alt-delta (λ (x y) (* (* x y) (/ 1 2.0)))>
* [enter]simplify:  Simplifying (/ 1 2.0)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (5 enodes)
* [exit]simplify:  Simplified to (/ 1 2.0)
* [exit]simplify:  Simplified to (/ 1 2.0)
* * * * [misc]progress:  [ 13 / 14 ] simplifiying candidate #<alt-delta (λ (x y) (/ 1 (/ 2.0 (* x y))))>
* [enter]simplify:  Simplifying (/ 2.0 (* x y))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (8 enodes)
* [exit]simplify:  Simplified to (/ 2.0 (* y x))
* [exit]simplify:  Simplified to (/ 2.0 (* y x))
* * * * [misc]progress:  [ 14 / 14 ] simplifiying candidate #<alt-delta (λ (x y) (/ x (/ 2.0 y)))>
* [enter]simplify:  Simplifying (/ 2.0 y)
* * [misc]simplify:  iters left: 2 (3 enodes)
* [exit]simplify:  Simplified to (/ 2.0 y)
* [exit]simplify:  Simplified to (/ 2.0 y)
* * * [misc]progress:  adding candidates to table
* * [misc]progress:  iteration 2 / 3
* * * [misc]progress:  picking best candidate
* * * * [misc]pick:  Picked  #<alt-delta (λ (x y) (/ x (/ 2.0 y)))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 1 ] generating series at (2)
* [misc]approximate:  Taking taylor expansion of (/ x (/ 2.0 y)) in (x y) around 0
* [misc]taylor:  Taking taylor expansion of (/ x (/ 2.0 y)) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]taylor:  Taking taylor expansion of (/ 2.0 y) in y
* [misc]taylor:  Taking taylor expansion of 2.0 in y
* [misc]backup-simplify:  Simplify 2.0 into 2.0
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 2.0 1) into 2.0
* [misc]backup-simplify:  Simplify (/ x 2.0) into (* 0.5 x)
* [misc]taylor:  Taking taylor expansion of (/ x (/ 2.0 y)) 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 (/ 2.0 y) in x
* [misc]taylor:  Taking taylor expansion of 2.0 in x
* [misc]backup-simplify:  Simplify 2.0 into 2.0
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 2.0 y) into (/ 2.0 y)
* [misc]backup-simplify:  Simplify (/ 1 (/ 2.0 y)) into (* 0.5 y)
* [misc]taylor:  Taking taylor expansion of (/ x (/ 2.0 y)) 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 (/ 2.0 y) in x
* [misc]taylor:  Taking taylor expansion of 2.0 in x
* [misc]backup-simplify:  Simplify 2.0 into 2.0
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 2.0 y) into (/ 2.0 y)
* [misc]backup-simplify:  Simplify (/ 1 (/ 2.0 y)) into (* 0.5 y)
* [misc]taylor:  Taking taylor expansion of (* 0.5 y) in y
* [misc]taylor:  Taking taylor expansion of 0.5 in y
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]backup-simplify:  Simplify (- (/ 0 y) (+ (* (/ 2.0 y) (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ 2.0 y)) (+ (* (* 0.5 y) (/ 0 (/ 2.0 y))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 y) (+ (* (/ 2.0 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ 2.0 y)) (+ (* (* 0.5 y) (/ 0 (/ 2.0 y))) (* 0 (/ 0 (/ 2.0 y))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [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 (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 y) (+ (* (/ 2.0 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ 2.0 y)) (+ (* (* 0.5 y) (/ 0 (/ 2.0 y))) (* 0 (/ 0 (/ 2.0 y))) (* 0 (/ 0 (/ 2.0 y))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* 0.5 (* y x)) into (* 0.5 (* y x))
* [misc]approximate:  Taking taylor expansion of (/ (/ 1 x) (/ 2.0 (/ 1 y))) in (x y) around 0
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 x) (/ 2.0 (/ 1 y))) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (/ 1 x) into (/ 1 x)
* [misc]taylor:  Taking taylor expansion of (/ 2.0 (/ 1 y)) in y
* [misc]taylor:  Taking taylor expansion of 2.0 in y
* [misc]backup-simplify:  Simplify 2.0 into 2.0
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [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 (/ 2.0 1) into 2.0
* [misc]backup-simplify:  Simplify (/ (/ 1 x) 2.0) into (/ 0.5 x)
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 x) (/ 2.0 (/ 1 y))) 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 (/ 2.0 (/ 1 y)) in x
* [misc]taylor:  Taking taylor expansion of 2.0 in x
* [misc]backup-simplify:  Simplify 2.0 into 2.0
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]backup-simplify:  Simplify (/ 2.0 (/ 1 y)) into (* 2.0 y)
* [misc]backup-simplify:  Simplify (/ 1 (* 2.0 y)) into (/ 0.5 y)
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 x) (/ 2.0 (/ 1 y))) 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 (/ 2.0 (/ 1 y)) in x
* [misc]taylor:  Taking taylor expansion of 2.0 in x
* [misc]backup-simplify:  Simplify 2.0 into 2.0
* [misc]taylor:  Taking taylor expansion of (/ 1 y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (/ 1 y) into (/ 1 y)
* [misc]backup-simplify:  Simplify (/ 2.0 (/ 1 y)) into (* 2.0 y)
* [misc]backup-simplify:  Simplify (/ 1 (* 2.0 y)) into (/ 0.5 y)
* [misc]taylor:  Taking taylor expansion of (/ 0.5 y) in y
* [misc]taylor:  Taking taylor expansion of 0.5 in y
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 0.5 1) into 0.5
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ 1 y)) (+ (* (* 2.0 y) (/ 0 (/ 1 y))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (* 2.0 y)) (+ (* (/ 0.5 y) (/ 0 (* 2.0 y))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ 1 y)) (+ (* (* 2.0 y) (/ 0 (/ 1 y))) (* 0 (/ 0 (/ 1 y))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (* 2.0 y)) (+ (* (/ 0.5 y) (/ 0 (* 2.0 y))) (* 0 (/ 0 (* 2.0 y))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ 1 y)) (+ (* (* 2.0 y) (/ 0 (/ 1 y))) (* 0 (/ 0 (/ 1 y))) (* 0 (/ 0 (/ 1 y))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (* 2.0 y)) (+ (* (/ 0.5 y) (/ 0 (* 2.0 y))) (* 0 (/ 0 (* 2.0 y))) (* 0 (/ 0 (* 2.0 y))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [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 1) (+ (* 0.5 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* 0.5 (* (/ 1 (/ 1 y)) (/ 1 (/ 1 x)))) into (* 0.5 (* y x))
* [misc]approximate:  Taking taylor expansion of (/ (/ 1 (- x)) (/ 2.0 (/ 1 (- y)))) in (x y) around 0
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 (- x)) (/ 2.0 (/ 1 (- y)))) in y
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in y
* [misc]taylor:  Taking taylor expansion of (- x) in y
* [misc]taylor:  Taking taylor expansion of x in y
* [misc]backup-simplify:  Simplify x into x
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (- x) into (- x)
* [misc]backup-simplify:  Simplify (/ 1 (- x)) into (/ -1 x)
* [misc]taylor:  Taking taylor expansion of (/ 2.0 (/ 1 (- y))) in y
* [misc]taylor:  Taking taylor expansion of 2.0 in y
* [misc]backup-simplify:  Simplify 2.0 into 2.0
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in y
* [misc]taylor:  Taking taylor expansion of (- y) in y
* [misc]taylor:  Taking taylor expansion of y in y
* [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 (/ 2.0 -1) into -2.0
* [misc]backup-simplify:  Simplify (/ (/ -1 x) -2.0) into (/ 0.5 x)
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 (- x)) (/ 2.0 (/ 1 (- y)))) 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 (/ 2.0 (/ 1 (- y))) in x
* [misc]taylor:  Taking taylor expansion of 2.0 in x
* [misc]backup-simplify:  Simplify 2.0 into 2.0
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in x
* [misc]taylor:  Taking taylor expansion of (- y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (/ 1 (- y)) into (/ -1 y)
* [misc]backup-simplify:  Simplify (/ 2.0 (/ -1 y)) into (* -2.0 y)
* [misc]backup-simplify:  Simplify (/ -1 (* -2.0 y)) into (/ 0.5 y)
* [misc]taylor:  Taking taylor expansion of (/ (/ 1 (- x)) (/ 2.0 (/ 1 (- y)))) 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 (/ 2.0 (/ 1 (- y))) in x
* [misc]taylor:  Taking taylor expansion of 2.0 in x
* [misc]backup-simplify:  Simplify 2.0 into 2.0
* [misc]taylor:  Taking taylor expansion of (/ 1 (- y)) in x
* [misc]taylor:  Taking taylor expansion of (- y) in x
* [misc]taylor:  Taking taylor expansion of y in x
* [misc]backup-simplify:  Simplify y into y
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (/ 1 (- y)) into (/ -1 y)
* [misc]backup-simplify:  Simplify (/ 2.0 (/ -1 y)) into (* -2.0 y)
* [misc]backup-simplify:  Simplify (/ -1 (* -2.0 y)) into (/ 0.5 y)
* [misc]taylor:  Taking taylor expansion of (/ 0.5 y) in y
* [misc]taylor:  Taking taylor expansion of 0.5 in y
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [misc]taylor:  Taking taylor expansion of y in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 0.5 1) into 0.5
* [misc]backup-simplify:  Simplify 0.5 into 0.5
* [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 (- y) into (- y)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 y) (/ 0 (- y))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ -1 y)) (+ (* (* -2.0 y) (/ 0 (/ -1 y))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (* -2.0 y)) (+ (* (/ 0.5 y) (/ 0 (* -2.0 y))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 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) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 y) (/ 0 (- y))) (* 0 (/ 0 (- y))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ -1 y)) (+ (* (* -2.0 y) (/ 0 (/ -1 y))) (* 0 (/ 0 (/ -1 y))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (* -2.0 y)) (+ (* (/ 0.5 y) (/ 0 (* -2.0 y))) (* 0 (/ 0 (* -2.0 y))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 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 (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- y) into (- y)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 y) (/ 0 (- y))) (* 0 (/ 0 (- y))) (* 0 (/ 0 (- y))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (/ -1 y)) (+ (* (* -2.0 y) (/ 0 (/ -1 y))) (* 0 (/ 0 (/ -1 y))) (* 0 (/ 0 (/ -1 y))))) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (* -2.0 y)) (+ (* (/ 0.5 y) (/ 0 (* -2.0 y))) (* 0 (/ 0 (* -2.0 y))) (* 0 (/ 0 (* -2.0 y))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in y
* [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 1) (+ (* 0.5 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* 0.5 (* (/ 1 (/ 1 (- y))) (/ 1 (/ 1 (- x))))) into (* 0.5 (* y x))
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 1 ] rewriting at (2)
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 16 ] simplifiying candidate #<alt-event (λ (x y) (* 0.5 (* y x)))>
* [enter]simplify:  Simplifying (* 0.5 (* y x))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (8 enodes)
* * [misc]simplify:  iters left: 2 (11 enodes)
* * [misc]simplify:  iters left: 1 (15 enodes)
* [exit]simplify:  Simplified to (* 0.5 (* x y))
* * * * [misc]progress:  [ 2 / 16 ] simplifiying candidate #<alt-event (λ (x y) (* 0.5 (* y x)))>
* [enter]simplify:  Simplifying (* 0.5 (* y x))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (8 enodes)
* * [misc]simplify:  iters left: 2 (11 enodes)
* * [misc]simplify:  iters left: 1 (15 enodes)
* [exit]simplify:  Simplified to (* 0.5 (* x y))
* * * * [misc]progress:  [ 3 / 16 ] simplifiying candidate #<alt-event (λ (x y) (* 0.5 (* y x)))>
* [enter]simplify:  Simplifying (* 0.5 (* y x))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (8 enodes)
* * [misc]simplify:  iters left: 2 (11 enodes)
* * [misc]simplify:  iters left: 1 (15 enodes)
* [exit]simplify:  Simplified to (* 0.5 (* x y))
* * * * [misc]progress:  [ 4 / 16 ] simplifiying candidate #<alt-delta (λ (x y) (pow (/ x (/ 2.0 y)) 1))>
* * * * [misc]progress:  [ 5 / 16 ] simplifiying candidate #<alt-delta (λ (x y) (exp (log (/ x (/ 2.0 y)))))>
* [enter]simplify:  Simplifying (log (/ x (/ 2.0 y)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (19 enodes)
* * [misc]simplify:  iters left: 2 (25 enodes)
* * [misc]simplify:  iters left: 1 (29 enodes)
* [exit]simplify:  Simplified to (log (/ (* y x) 2.0))
* [exit]simplify:  Simplified to (log (/ (* y x) 2.0))
* * * * [misc]progress:  [ 6 / 16 ] simplifiying candidate #<alt-delta (λ (x y) (log (exp (/ x (/ 2.0 y)))))>
* [enter]simplify:  Simplifying (exp (/ x (/ 2.0 y)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (8 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (15 enodes)
* * [misc]simplify:  iters left: 1 (17 enodes)
* [exit]simplify:  Simplified to (exp (/ x (/ 2.0 y)))
* [exit]simplify:  Simplified to (exp (/ x (/ 2.0 y)))
* * * * [misc]progress:  [ 7 / 16 ] simplifiying candidate #<alt-delta (λ (x y) (cube (cbrt (/ x (/ 2.0 y)))))>
* [enter]simplify:  Simplifying (cbrt (/ x (/ 2.0 y)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (8 enodes)
* * [misc]simplify:  iters left: 3 (11 enodes)
* * [misc]simplify:  iters left: 2 (13 enodes)
* * [misc]simplify:  iters left: 1 (15 enodes)
* [exit]simplify:  Simplified to (cbrt (/ x (/ 2.0 y)))
* [exit]simplify:  Simplified to (cbrt (/ x (/ 2.0 y)))
* * * * [misc]progress:  [ 8 / 16 ] simplifiying candidate #<alt-delta (λ (x y) (cbrt (cube (/ x (/ 2.0 y)))))>
* [enter]simplify:  Simplifying (cube (/ x (/ 2.0 y)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (13 enodes)
* * [misc]simplify:  iters left: 3 (33 enodes)
* * [misc]simplify:  iters left: 2 (71 enodes)
* * [misc]simplify:  iters left: 1 (99 enodes)
* [exit]simplify:  Simplified to (cube (/ x (/ 2.0 y)))
* [exit]simplify:  Simplified to (cube (/ x (/ 2.0 y)))
* * * * [misc]progress:  [ 9 / 16 ] simplifiying candidate #<alt-delta (λ (x y) (sqr (sqrt (/ x (/ 2.0 y)))))>
* [enter]simplify:  Simplifying (sqrt (/ x (/ 2.0 y)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (8 enodes)
* * [misc]simplify:  iters left: 3 (11 enodes)
* * [misc]simplify:  iters left: 2 (13 enodes)
* * [misc]simplify:  iters left: 1 (15 enodes)
* [exit]simplify:  Simplified to (sqrt (/ x (/ 2.0 y)))
* [exit]simplify:  Simplified to (sqrt (/ x (/ 2.0 y)))
* * * * [misc]progress:  [ 10 / 16 ] simplifiying candidate #<alt-delta (λ (x y) (/ (- x) (- (/ 2.0 y))))>
* [enter]simplify:  Simplifying (- x)
* * [misc]simplify:  iters left: 2 (2 enodes)
* [exit]simplify:  Simplified to (- x)
* [exit]simplify:  Simplified to (- x)
* [enter]simplify:  Simplifying (- (/ 2.0 y))
* * [misc]simplify:  iters left: 4 (4 enodes)
* * [misc]simplify:  iters left: 3 (6 enodes)
* [exit]simplify:  Simplified to (/ (- 2.0) y)
* [exit]simplify:  Simplified to (/ (- 2.0) y)
* * * * [misc]progress:  [ 11 / 16 ] simplifiying candidate #<alt-delta (λ (x y) (* 1 (/ x (/ 2.0 y))))>
* * * * [misc]progress:  [ 12 / 16 ] simplifiying candidate #<alt-delta (λ (x y) (* x (/ 1 (/ 2.0 y))))>
* [enter]simplify:  Simplifying (/ 1 (/ 2.0 y))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (9 enodes)
* * [misc]simplify:  iters left: 2 (12 enodes)
* * [misc]simplify:  iters left: 1 (14 enodes)
* [exit]simplify:  Simplified to (/ y 2.0)
* [exit]simplify:  Simplified to (/ y 2.0)
* * * * [misc]progress:  [ 13 / 16 ] simplifiying candidate #<alt-delta (λ (x y) (/ 1 (/ (/ 2.0 y) x)))>
* [enter]simplify:  Simplifying (/ (/ 2.0 y) x)
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (7 enodes)
* * [misc]simplify:  iters left: 2 (10 enodes)
* [exit]simplify:  Simplified to (/ (/ 2.0 y) x)
* [exit]simplify:  Simplified to (/ (/ 2.0 y) x)
* * * * [misc]progress:  [ 14 / 16 ] simplifiying candidate #<alt-delta (λ (x y) (/ (/ x 1) (/ 2.0 y)))>
* [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:  [ 15 / 16 ] simplifiying candidate #<alt-delta (λ (x y) (/ (/ x 2.0) (/ 1 y)))>
* [enter]simplify:  Simplifying (/ x 2.0)
* * [misc]simplify:  iters left: 2 (3 enodes)
* [exit]simplify:  Simplified to (/ x 2.0)
* [exit]simplify:  Simplified to (/ x 2.0)
* * * * [misc]progress:  [ 16 / 16 ] simplifiying candidate #<alt-delta (λ (x y) (* (/ x 2.0) y))>
* [enter]simplify:  Simplifying (/ x 2.0)
* * [misc]simplify:  iters left: 2 (3 enodes)
* [exit]simplify:  Simplified to (/ x 2.0)
* [exit]simplify:  Simplified to (/ x 2.0)
* * * [misc]progress:  adding candidates to table
* [misc]progress:  [Phase 3 of 3] Extracting.
* * [misc]regime-changes:  Finding splitpoints for: (#<alt-delta (λ (x y) (/ x (/ 2.0 y)))> #<alt-event (λ (x y) (/ (* x y) 2.0))>)
* [misc]regimes:  Found splitpoints: (#s(sp 0 (* x y) +inf.0)) , with alts (#<alt-event (λ (x y) (/ (* x y) 2.0))>)
* [enter]simplify:  Simplifying (/ 2.0 y)
* * [misc]simplify:  iters left: 2 (3 enodes)
* [exit]simplify:  Simplified to (/ 2.0 y)
* [exit]simplify:  Simplified to (/ 2.0 y)
* [enter]simplify:  Simplifying (/ (* x y) 2.0)
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (8 enodes)
* * [misc]simplify:  iters left: 2 (10 enodes)
* * [misc]simplify:  iters left: 1 (13 enodes)
* [exit]simplify:  Simplified to (/ (* y x) 2.0)