1543749998.872 * [misc]progress:  [Phase 1 of 3] Setting up.
1543749998.872 * * * [misc]progress:  [1/2] Preparing points
1543749998.872 * * * * [misc]points:  Sampling 256 additional inputs, on iter 0 have 0 / 256
1543749998.899 * * * * [misc]points:  Filtering points with unrepresentable outputs
1543749998.900 * * * * [exit]points:  Sampled 256 points with exact outputs
1543749998.900 * * * [misc]progress:  [2/2] Setting up program.
1543749998.904 * [misc]progress:  [Phase 2 of 3] Improving.
1543749998.904 * [enter]simplify:  Simplifying (/ 2 (+ (exp x) (exp (- x))))
1543749998.904 * * [misc]simplify:  iters left: 6 (7 enodes)
1543749998.906 * * [misc]simplify:  iters left: 5 (10 enodes)
1543749998.907 * * [misc]simplify:  iters left: 4 (12 enodes)
1543749998.909 * [exit]simplify:  Simplified to (/ 2 (+ (exp x) (exp (- x))))
1543749998.924 * * [misc]progress:  iteration 1 / 4
1543749998.924 * * * [misc]progress:  picking best candidate
1543749998.944 * * * * [misc]pick:  Picked  #<alt (λ (x) (/ 2 (+ (exp x) (exp (- x)))))>
1543749998.944 * * * [misc]progress:  localizing error
1543749998.975 * * * [misc]progress:  generating rewritten candidates
1543749998.976 * * * * [misc]progress:  [ 1 / 1 ] rewriting at (2)
1543749999.065 * * * [misc]progress:  generating series expansions
1543749999.065 * * * * [misc]progress:  [ 1 / 1 ] generating series at (2)
1543749999.065 * [misc]backup-simplify:  Simplify (/ 2 (+ (exp x) (exp (- x)))) into (/ 2 (+ (exp x) (exp (- x))))
1543749999.065 * [misc]approximate:  Taking taylor expansion of (/ 2 (+ (exp x) (exp (- x)))) in (x) around 0
1543749999.065 * [misc]taylor:  Taking taylor expansion of (/ 2 (+ (exp x) (exp (- x)))) in x
1543749999.065 * [misc]taylor:  Taking taylor expansion of 2 in x
1543749999.066 * [misc]backup-simplify:  Simplify 2 into 2
1543749999.066 * [misc]taylor:  Taking taylor expansion of (+ (exp x) (exp (- x))) in x
1543749999.066 * [misc]taylor:  Taking taylor expansion of (exp x) in x
1543749999.066 * [misc]taylor:  Taking taylor expansion of x in x
1543749999.066 * [misc]backup-simplify:  Simplify 0 into 0
1543749999.066 * [misc]backup-simplify:  Simplify 1 into 1
1543749999.066 * [misc]backup-simplify:  Simplify (exp 0) into 1
1543749999.066 * [misc]taylor:  Taking taylor expansion of (exp (- x)) in x
1543749999.066 * [misc]taylor:  Taking taylor expansion of (- x) in x
1543749999.066 * [misc]taylor:  Taking taylor expansion of x in x
1543749999.066 * [misc]backup-simplify:  Simplify 0 into 0
1543749999.066 * [misc]backup-simplify:  Simplify 1 into 1
1543749999.066 * [misc]backup-simplify:  Simplify (- 0) into 0
1543749999.066 * [misc]backup-simplify:  Simplify (- 1) into -1
1543749999.066 * [misc]backup-simplify:  Simplify (exp 0) into 1
1543749999.066 * [misc]backup-simplify:  Simplify (+ 1 1) into 2
1543749999.066 * [misc]backup-simplify:  Simplify (/ 2 2) into 1
1543749999.066 * [misc]taylor:  Taking taylor expansion of (/ 2 (+ (exp x) (exp (- x)))) in x
1543749999.066 * [misc]taylor:  Taking taylor expansion of 2 in x
1543749999.066 * [misc]backup-simplify:  Simplify 2 into 2
1543749999.066 * [misc]taylor:  Taking taylor expansion of (+ (exp x) (exp (- x))) in x
1543749999.066 * [misc]taylor:  Taking taylor expansion of (exp x) in x
1543749999.066 * [misc]taylor:  Taking taylor expansion of x in x
1543749999.066 * [misc]backup-simplify:  Simplify 0 into 0
1543749999.066 * [misc]backup-simplify:  Simplify 1 into 1
1543749999.067 * [misc]backup-simplify:  Simplify (exp 0) into 1
1543749999.067 * [misc]taylor:  Taking taylor expansion of (exp (- x)) in x
1543749999.067 * [misc]taylor:  Taking taylor expansion of (- x) in x
1543749999.067 * [misc]taylor:  Taking taylor expansion of x in x
1543749999.067 * [misc]backup-simplify:  Simplify 0 into 0
1543749999.067 * [misc]backup-simplify:  Simplify 1 into 1
1543749999.067 * [misc]backup-simplify:  Simplify (- 0) into 0
1543749999.067 * [misc]backup-simplify:  Simplify (- 1) into -1
1543749999.067 * [misc]backup-simplify:  Simplify (exp 0) into 1
1543749999.067 * [misc]backup-simplify:  Simplify (+ 1 1) into 2
1543749999.067 * [misc]backup-simplify:  Simplify (/ 2 2) into 1
1543749999.067 * [misc]backup-simplify:  Simplify 1 into 1
1543749999.068 * [misc]backup-simplify:  Simplify (* (exp 0) (+ (* (/ (pow 1 1) 1)))) into 1
1543749999.069 * [misc]backup-simplify:  Simplify (- 1) into -1
1543749999.070 * [misc]backup-simplify:  Simplify (* (exp 0) (+ (* (/ (pow -1 1) 1)))) into -1
1543749999.070 * [misc]backup-simplify:  Simplify (+ 1 -1) into 0
1543749999.070 * [misc]backup-simplify:  Simplify (- (/ 0 2) (+ (* 1 (/ 0 2)))) into 0
1543749999.070 * [misc]backup-simplify:  Simplify 0 into 0
1543749999.072 * [misc]backup-simplify:  Simplify (* (exp 0) (+ (* (/ (pow 1 2) 2)) (* (/ (pow 0 1) 1)))) into 1/2
1543749999.073 * [misc]backup-simplify:  Simplify (- 1) into -1
1543749999.073 * [misc]backup-simplify:  Simplify (- 0) into 0
1543749999.075 * [misc]backup-simplify:  Simplify (* (exp 0) (+ (* (/ (pow -1 2) 2)) (* (/ (pow 0 1) 1)))) into 1/2
1543749999.075 * [misc]backup-simplify:  Simplify (+ 1/2 1/2) into 1
1543749999.075 * [misc]backup-simplify:  Simplify (- (/ 0 2) (+ (* 1 (/ 1 2)) (* 0 (/ 0 2)))) into -1/2
1543749999.075 * [misc]backup-simplify:  Simplify -1/2 into -1/2
1543749999.079 * [misc]backup-simplify:  Simplify (* (exp 0) (+ (* (/ (pow 1 3) 6)) (* (/ (pow 1 1) 1) (/ (pow 0 1) 1)) (* (/ (pow 0 1) 1)))) into 1/6
1543749999.079 * [misc]backup-simplify:  Simplify (- 1) into -1
1543749999.079 * [misc]backup-simplify:  Simplify (- 1) into -1
1543749999.079 * [misc]backup-simplify:  Simplify (- 0) into 0
1543749999.079 * [misc]backup-simplify:  Simplify (- 0) into 0
1543749999.083 * [misc]backup-simplify:  Simplify (* (exp 0) (+ (* (/ (pow -1 3) 6)) (* (/ (pow -1 1) 1) (/ (pow 0 1) 1)) (* (/ (pow 0 1) 1)))) into -1/6
1543749999.083 * [misc]backup-simplify:  Simplify (+ 1/6 -1/6) into 0
1543749999.083 * [misc]backup-simplify:  Simplify (- (/ 0 2) (+ (* 1 (/ 0 2)) (* 0 (/ 1 2)) (* -1/2 (/ 0 2)))) into 0
1543749999.083 * [misc]backup-simplify:  Simplify 0 into 0
1543749999.089 * [misc]backup-simplify:  Simplify (* (exp 0) (+ (* (/ (pow 1 4) 24)) (* (/ (pow 1 2) 2) (/ (pow 0 1) 1)) (* (/ (pow 1 1) 1) (/ (pow 0 1) 1)) (* (/ (pow 0 2) 2)) (* (/ (pow 0 1) 1)))) into 1/24
1543749999.089 * [misc]backup-simplify:  Simplify (- 1) into -1
1543749999.090 * [misc]backup-simplify:  Simplify (- 1) into -1
1543749999.090 * [misc]backup-simplify:  Simplify (- 0) into 0
1543749999.090 * [misc]backup-simplify:  Simplify (- 1) into -1
1543749999.090 * [misc]backup-simplify:  Simplify (- 0) into 0
1543749999.090 * [misc]backup-simplify:  Simplify (- 0) into 0
1543749999.090 * [misc]backup-simplify:  Simplify (- 0) into 0
1543749999.096 * [misc]backup-simplify:  Simplify (* (exp 0) (+ (* (/ (pow -1 4) 24)) (* (/ (pow -1 2) 2) (/ (pow 0 1) 1)) (* (/ (pow -1 1) 1) (/ (pow 0 1) 1)) (* (/ (pow 0 2) 2)) (* (/ (pow 0 1) 1)))) into 1/24
1543749999.096 * [misc]backup-simplify:  Simplify (+ 1/24 1/24) into 1/12
1543749999.096 * [misc]backup-simplify:  Simplify (- (/ 0 2) (+ (* 1 (/ 1/12 2)) (* 0 (/ 0 2)) (* -1/2 (/ 1 2)) (* 0 (/ 0 2)))) into 5/24
1543749999.096 * [misc]backup-simplify:  Simplify 5/24 into 5/24
1543749999.097 * [misc]backup-simplify:  Simplify (+ (* 5/24 (pow x 4)) (+ (* -1/2 (pow x 2)) 1)) into (- (+ (* 5/24 (pow x 4)) 1) (* 1/2 (pow x 2)))
1543749999.097 * [misc]backup-simplify:  Simplify (/ 2 (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) into (/ 2 (+ (exp (/ 1 x)) (exp (- (/ 1 x)))))
1543749999.097 * [misc]approximate:  Taking taylor expansion of (/ 2 (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) in (x) around 0
1543749999.097 * [misc]taylor:  Taking taylor expansion of (/ 2 (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) in x
1543749999.097 * [misc]taylor:  Taking taylor expansion of 2 in x
1543749999.097 * [misc]backup-simplify:  Simplify 2 into 2
1543749999.097 * [misc]taylor:  Taking taylor expansion of (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
1543749999.097 * [misc]taylor:  Taking taylor expansion of (exp (/ 1 x)) in x
1543749999.097 * [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
1543749999.097 * [misc]taylor:  Taking taylor expansion of x in x
1543749999.097 * [misc]backup-simplify:  Simplify 0 into 0
1543749999.097 * [misc]backup-simplify:  Simplify 1 into 1
1543749999.097 * [misc]backup-simplify:  Simplify (/ 1 1) into 1
1543749999.097 * [misc]backup-simplify:  Simplify (exp (/ 1 x)) into (exp (/ 1 x))
1543749999.097 * [misc]taylor:  Taking taylor expansion of (exp (- (/ 1 x))) in x
1543749999.097 * [misc]taylor:  Taking taylor expansion of (- (/ 1 x)) in x
1543749999.097 * [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
1543749999.097 * [misc]taylor:  Taking taylor expansion of x in x
1543749999.097 * [misc]backup-simplify:  Simplify 0 into 0
1543749999.097 * [misc]backup-simplify:  Simplify 1 into 1
1543749999.098 * [misc]backup-simplify:  Simplify (/ 1 1) into 1
1543749999.098 * [misc]backup-simplify:  Simplify (- 1) into -1
1543749999.098 * [misc]backup-simplify:  Simplify (exp (- (/ 1 x))) into (exp (- (/ 1 x)))
1543749999.098 * [misc]backup-simplify:  Simplify (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) into (+ (exp (/ 1 x)) (exp (- (/ 1 x))))
1543749999.098 * [misc]backup-simplify:  Simplify (/ 2 (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) into (/ 2 (+ (exp (/ 1 x)) (exp (- (/ 1 x)))))
1543749999.098 * [misc]taylor:  Taking taylor expansion of (/ 2 (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) in x
1543749999.098 * [misc]taylor:  Taking taylor expansion of 2 in x
1543749999.098 * [misc]backup-simplify:  Simplify 2 into 2
1543749999.098 * [misc]taylor:  Taking taylor expansion of (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
1543749999.098 * [misc]taylor:  Taking taylor expansion of (exp (/ 1 x)) in x
1543749999.098 * [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
1543749999.098 * [misc]taylor:  Taking taylor expansion of x in x
1543749999.098 * [misc]backup-simplify:  Simplify 0 into 0
1543749999.098 * [misc]backup-simplify:  Simplify 1 into 1
1543749999.098 * [misc]backup-simplify:  Simplify (/ 1 1) into 1
1543749999.099 * [misc]backup-simplify:  Simplify (exp (/ 1 x)) into (exp (/ 1 x))
1543749999.099 * [misc]taylor:  Taking taylor expansion of (exp (- (/ 1 x))) in x
1543749999.099 * [misc]taylor:  Taking taylor expansion of (- (/ 1 x)) in x
1543749999.099 * [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
1543749999.099 * [misc]taylor:  Taking taylor expansion of x in x
1543749999.099 * [misc]backup-simplify:  Simplify 0 into 0
1543749999.099 * [misc]backup-simplify:  Simplify 1 into 1
1543749999.099 * [misc]backup-simplify:  Simplify (/ 1 1) into 1
1543749999.099 * [misc]backup-simplify:  Simplify (- 1) into -1
1543749999.099 * [misc]backup-simplify:  Simplify (exp (- (/ 1 x))) into (exp (- (/ 1 x)))
1543749999.099 * [misc]backup-simplify:  Simplify (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) into (+ (exp (/ 1 x)) (exp (- (/ 1 x))))
1543749999.099 * [misc]backup-simplify:  Simplify (/ 2 (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) into (/ 2 (+ (exp (/ 1 x)) (exp (- (/ 1 x)))))
1543749999.100 * [misc]backup-simplify:  Simplify (/ 2 (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) into (/ 2 (+ (exp (/ 1 x)) (exp (- (/ 1 x)))))
1543749999.100 * [misc]backup-simplify:  Simplify (+ 0 0) into 0
1543749999.100 * [misc]backup-simplify:  Simplify (- (/ 0 (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) (+ (* (/ 2 (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) (/ 0 (+ (exp (/ 1 x)) (exp (- (/ 1 x)))))))) into 0
1543749999.100 * [misc]backup-simplify:  Simplify 0 into 0
1543749999.100 * [misc]backup-simplify:  Simplify (+ 0 0) into 0
1543749999.101 * [misc]backup-simplify:  Simplify (- (/ 0 (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) (+ (* (/ 2 (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) (/ 0 (+ (exp (/ 1 x)) (exp (- (/ 1 x)))))) (* 0 (/ 0 (+ (exp (/ 1 x)) (exp (- (/ 1 x)))))))) into 0
1543749999.101 * [misc]backup-simplify:  Simplify 0 into 0
1543749999.101 * [misc]backup-simplify:  Simplify (+ 0 0) into 0
1543749999.102 * [misc]backup-simplify:  Simplify (- (/ 0 (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) (+ (* (/ 2 (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) (/ 0 (+ (exp (/ 1 x)) (exp (- (/ 1 x)))))) (* 0 (/ 0 (+ (exp (/ 1 x)) (exp (- (/ 1 x)))))) (* 0 (/ 0 (+ (exp (/ 1 x)) (exp (- (/ 1 x)))))))) into 0
1543749999.102 * [misc]backup-simplify:  Simplify 0 into 0
1543749999.102 * [misc]backup-simplify:  Simplify (+ 0 0) into 0
1543749999.103 * [misc]backup-simplify:  Simplify (- (/ 0 (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) (+ (* (/ 2 (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) (/ 0 (+ (exp (/ 1 x)) (exp (- (/ 1 x)))))) (* 0 (/ 0 (+ (exp (/ 1 x)) (exp (- (/ 1 x)))))) (* 0 (/ 0 (+ (exp (/ 1 x)) (exp (- (/ 1 x)))))) (* 0 (/ 0 (+ (exp (/ 1 x)) (exp (- (/ 1 x)))))))) into 0
1543749999.103 * [misc]backup-simplify:  Simplify 0 into 0
1543749999.103 * [misc]backup-simplify:  Simplify (+ 0 0) into 0
1543749999.104 * [misc]backup-simplify:  Simplify (- (/ 0 (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) (+ (* (/ 2 (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) (/ 0 (+ (exp (/ 1 x)) (exp (- (/ 1 x)))))) (* 0 (/ 0 (+ (exp (/ 1 x)) (exp (- (/ 1 x)))))) (* 0 (/ 0 (+ (exp (/ 1 x)) (exp (- (/ 1 x)))))) (* 0 (/ 0 (+ (exp (/ 1 x)) (exp (- (/ 1 x)))))) (* 0 (/ 0 (+ (exp (/ 1 x)) (exp (- (/ 1 x)))))))) into 0
1543749999.104 * [misc]backup-simplify:  Simplify 0 into 0
1543749999.104 * [misc]backup-simplify:  Simplify (+ 0 0) into 0
1543749999.105 * [misc]backup-simplify:  Simplify (- (/ 0 (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) (+ (* (/ 2 (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) (/ 0 (+ (exp (/ 1 x)) (exp (- (/ 1 x)))))) (* 0 (/ 0 (+ (exp (/ 1 x)) (exp (- (/ 1 x)))))) (* 0 (/ 0 (+ (exp (/ 1 x)) (exp (- (/ 1 x)))))) (* 0 (/ 0 (+ (exp (/ 1 x)) (exp (- (/ 1 x)))))) (* 0 (/ 0 (+ (exp (/ 1 x)) (exp (- (/ 1 x)))))) (* 0 (/ 0 (+ (exp (/ 1 x)) (exp (- (/ 1 x)))))))) into 0
1543749999.105 * [misc]backup-simplify:  Simplify 0 into 0
1543749999.106 * [misc]backup-simplify:  Simplify (/ 2 (+ (exp (/ 1 (/ 1 x))) (exp (- (/ 1 (/ 1 x)))))) into (/ 2 (+ (exp x) (exp (- x))))
1543749999.106 * [misc]backup-simplify:  Simplify (/ 2 (+ (exp (/ 1 (- x))) (exp (- (/ 1 (- x)))))) into (/ 2 (+ (exp (/ 1 x)) (exp (/ -1 x))))
1543749999.106 * [misc]approximate:  Taking taylor expansion of (/ 2 (+ (exp (/ 1 x)) (exp (/ -1 x)))) in (x) around 0
1543749999.106 * [misc]taylor:  Taking taylor expansion of (/ 2 (+ (exp (/ 1 x)) (exp (/ -1 x)))) in x
1543749999.106 * [misc]taylor:  Taking taylor expansion of 2 in x
1543749999.106 * [misc]backup-simplify:  Simplify 2 into 2
1543749999.106 * [misc]taylor:  Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in x
1543749999.106 * [misc]taylor:  Taking taylor expansion of (exp (/ 1 x)) in x
1543749999.106 * [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
1543749999.106 * [misc]taylor:  Taking taylor expansion of x in x
1543749999.106 * [misc]backup-simplify:  Simplify 0 into 0
1543749999.106 * [misc]backup-simplify:  Simplify 1 into 1
1543749999.106 * [misc]backup-simplify:  Simplify (/ 1 1) into 1
1543749999.106 * [misc]backup-simplify:  Simplify (exp (/ 1 x)) into (exp (/ 1 x))
1543749999.106 * [misc]taylor:  Taking taylor expansion of (exp (/ -1 x)) in x
1543749999.106 * [misc]taylor:  Taking taylor expansion of (/ -1 x) in x
1543749999.106 * [misc]taylor:  Taking taylor expansion of -1 in x
1543749999.106 * [misc]backup-simplify:  Simplify -1 into -1
1543749999.106 * [misc]taylor:  Taking taylor expansion of x in x
1543749999.106 * [misc]backup-simplify:  Simplify 0 into 0
1543749999.107 * [misc]backup-simplify:  Simplify 1 into 1
1543749999.107 * [misc]backup-simplify:  Simplify (/ -1 1) into -1
1543749999.107 * [misc]backup-simplify:  Simplify (exp (/ -1 x)) into (exp (/ -1 x))
1543749999.107 * [misc]backup-simplify:  Simplify (+ (exp (/ 1 x)) (exp (/ -1 x))) into (+ (exp (/ 1 x)) (exp (/ -1 x)))
1543749999.107 * [misc]backup-simplify:  Simplify (/ 2 (+ (exp (/ 1 x)) (exp (/ -1 x)))) into (/ 2 (+ (exp (/ 1 x)) (exp (/ -1 x))))
1543749999.107 * [misc]taylor:  Taking taylor expansion of (/ 2 (+ (exp (/ 1 x)) (exp (/ -1 x)))) in x
1543749999.107 * [misc]taylor:  Taking taylor expansion of 2 in x
1543749999.107 * [misc]backup-simplify:  Simplify 2 into 2
1543749999.107 * [misc]taylor:  Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in x
1543749999.107 * [misc]taylor:  Taking taylor expansion of (exp (/ 1 x)) in x
1543749999.107 * [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
1543749999.107 * [misc]taylor:  Taking taylor expansion of x in x
1543749999.107 * [misc]backup-simplify:  Simplify 0 into 0
1543749999.107 * [misc]backup-simplify:  Simplify 1 into 1
1543749999.107 * [misc]backup-simplify:  Simplify (/ 1 1) into 1
1543749999.107 * [misc]backup-simplify:  Simplify (exp (/ 1 x)) into (exp (/ 1 x))
1543749999.108 * [misc]taylor:  Taking taylor expansion of (exp (/ -1 x)) in x
1543749999.108 * [misc]taylor:  Taking taylor expansion of (/ -1 x) in x
1543749999.108 * [misc]taylor:  Taking taylor expansion of -1 in x
1543749999.108 * [misc]backup-simplify:  Simplify -1 into -1
1543749999.108 * [misc]taylor:  Taking taylor expansion of x in x
1543749999.108 * [misc]backup-simplify:  Simplify 0 into 0
1543749999.108 * [misc]backup-simplify:  Simplify 1 into 1
1543749999.108 * [misc]backup-simplify:  Simplify (/ -1 1) into -1
1543749999.108 * [misc]backup-simplify:  Simplify (exp (/ -1 x)) into (exp (/ -1 x))
1543749999.108 * [misc]backup-simplify:  Simplify (+ (exp (/ 1 x)) (exp (/ -1 x))) into (+ (exp (/ 1 x)) (exp (/ -1 x)))
1543749999.108 * [misc]backup-simplify:  Simplify (/ 2 (+ (exp (/ 1 x)) (exp (/ -1 x)))) into (/ 2 (+ (exp (/ 1 x)) (exp (/ -1 x))))
1543749999.108 * [misc]backup-simplify:  Simplify (/ 2 (+ (exp (/ 1 x)) (exp (/ -1 x)))) into (/ 2 (+ (exp (/ 1 x)) (exp (/ -1 x))))
1543749999.109 * [misc]backup-simplify:  Simplify (+ 0 0) into 0
1543749999.109 * [misc]backup-simplify:  Simplify (- (/ 0 (+ (exp (/ 1 x)) (exp (/ -1 x)))) (+ (* (/ 2 (+ (exp (/ 1 x)) (exp (/ -1 x)))) (/ 0 (+ (exp (/ 1 x)) (exp (/ -1 x))))))) into 0
1543749999.109 * [misc]backup-simplify:  Simplify 0 into 0
1543749999.109 * [misc]backup-simplify:  Simplify (+ 0 0) into 0
1543749999.110 * [misc]backup-simplify:  Simplify (- (/ 0 (+ (exp (/ 1 x)) (exp (/ -1 x)))) (+ (* (/ 2 (+ (exp (/ 1 x)) (exp (/ -1 x)))) (/ 0 (+ (exp (/ 1 x)) (exp (/ -1 x))))) (* 0 (/ 0 (+ (exp (/ 1 x)) (exp (/ -1 x))))))) into 0
1543749999.110 * [misc]backup-simplify:  Simplify 0 into 0
1543749999.110 * [misc]backup-simplify:  Simplify (+ 0 0) into 0
1543749999.110 * [misc]backup-simplify:  Simplify (- (/ 0 (+ (exp (/ 1 x)) (exp (/ -1 x)))) (+ (* (/ 2 (+ (exp (/ 1 x)) (exp (/ -1 x)))) (/ 0 (+ (exp (/ 1 x)) (exp (/ -1 x))))) (* 0 (/ 0 (+ (exp (/ 1 x)) (exp (/ -1 x))))) (* 0 (/ 0 (+ (exp (/ 1 x)) (exp (/ -1 x))))))) into 0
1543749999.111 * [misc]backup-simplify:  Simplify 0 into 0
1543749999.111 * [misc]backup-simplify:  Simplify (+ 0 0) into 0
1543749999.112 * [misc]backup-simplify:  Simplify (- (/ 0 (+ (exp (/ 1 x)) (exp (/ -1 x)))) (+ (* (/ 2 (+ (exp (/ 1 x)) (exp (/ -1 x)))) (/ 0 (+ (exp (/ 1 x)) (exp (/ -1 x))))) (* 0 (/ 0 (+ (exp (/ 1 x)) (exp (/ -1 x))))) (* 0 (/ 0 (+ (exp (/ 1 x)) (exp (/ -1 x))))) (* 0 (/ 0 (+ (exp (/ 1 x)) (exp (/ -1 x))))))) into 0
1543749999.112 * [misc]backup-simplify:  Simplify 0 into 0
1543749999.112 * [misc]backup-simplify:  Simplify (+ 0 0) into 0
1543749999.113 * [misc]backup-simplify:  Simplify (- (/ 0 (+ (exp (/ 1 x)) (exp (/ -1 x)))) (+ (* (/ 2 (+ (exp (/ 1 x)) (exp (/ -1 x)))) (/ 0 (+ (exp (/ 1 x)) (exp (/ -1 x))))) (* 0 (/ 0 (+ (exp (/ 1 x)) (exp (/ -1 x))))) (* 0 (/ 0 (+ (exp (/ 1 x)) (exp (/ -1 x))))) (* 0 (/ 0 (+ (exp (/ 1 x)) (exp (/ -1 x))))) (* 0 (/ 0 (+ (exp (/ 1 x)) (exp (/ -1 x))))))) into 0
1543749999.113 * [misc]backup-simplify:  Simplify 0 into 0
1543749999.113 * [misc]backup-simplify:  Simplify (+ 0 0) into 0
1543749999.114 * [misc]backup-simplify:  Simplify (- (/ 0 (+ (exp (/ 1 x)) (exp (/ -1 x)))) (+ (* (/ 2 (+ (exp (/ 1 x)) (exp (/ -1 x)))) (/ 0 (+ (exp (/ 1 x)) (exp (/ -1 x))))) (* 0 (/ 0 (+ (exp (/ 1 x)) (exp (/ -1 x))))) (* 0 (/ 0 (+ (exp (/ 1 x)) (exp (/ -1 x))))) (* 0 (/ 0 (+ (exp (/ 1 x)) (exp (/ -1 x))))) (* 0 (/ 0 (+ (exp (/ 1 x)) (exp (/ -1 x))))) (* 0 (/ 0 (+ (exp (/ 1 x)) (exp (/ -1 x))))))) into 0
1543749999.114 * [misc]backup-simplify:  Simplify 0 into 0
1543749999.114 * [misc]backup-simplify:  Simplify (/ 2 (+ (exp (/ 1 (/ 1 (- x)))) (exp (/ -1 (/ 1 (- x)))))) into (/ 2 (+ (exp (* -1 x)) (exp x)))
1543749999.114 * * * [misc]progress:  simplifying candidates
1543749999.114 * * * * [misc]progress:  [ 1 / 19 ] simplifiying candidate #<alt (λ (x) (pow (/ 2 (+ (exp x) (exp (- x)))) 1))>
1543749999.114 * * * * [misc]progress:  [ 2 / 19 ] simplifiying candidate #<alt (λ (x) (exp (log (/ 2 (+ (exp x) (exp (- x)))))))>
1543749999.114 * * * * [misc]progress:  [ 3 / 19 ] simplifiying candidate #<alt (λ (x) (log (exp (/ 2 (+ (exp x) (exp (- x)))))))>
1543749999.115 * * * * [misc]progress:  [ 4 / 19 ] simplifiying candidate #<alt (λ (x) (* (* (cbrt (/ 2 (+ (exp x) (exp (- x))))) (cbrt (/ 2 (+ (exp x) (exp (- x)))))) (cbrt (/ 2 (+ (exp x) (exp (- x)))))))>
1543749999.115 * * * * [misc]progress:  [ 5 / 19 ] simplifiying candidate #<alt (λ (x) (cbrt (* (* (/ 2 (+ (exp x) (exp (- x)))) (/ 2 (+ (exp x) (exp (- x))))) (/ 2 (+ (exp x) (exp (- x)))))))>
1543749999.115 * * * * [misc]progress:  [ 6 / 19 ] simplifiying candidate #<alt (λ (x) (* (sqrt (/ 2 (+ (exp x) (exp (- x))))) (sqrt (/ 2 (+ (exp x) (exp (- x)))))))>
1543749999.115 * * * * [misc]progress:  [ 7 / 19 ] simplifiying candidate #<alt (λ (x) (/ (- 2) (- (+ (exp x) (exp (- x))))))>
1543749999.115 * * * * [misc]progress:  [ 8 / 19 ] simplifiying candidate #<alt (λ (x) (* 1 (/ 2 (+ (exp x) (exp (- x))))))>
1543749999.115 * * * * [misc]progress:  [ 9 / 19 ] simplifiying candidate #<alt (λ (x) (* 2 (/ 1 (+ (exp x) (exp (- x))))))>
1543749999.115 * * * * [misc]progress:  [ 10 / 19 ] simplifiying candidate #<alt (λ (x) (/ 1 (/ (+ (exp x) (exp (- x))) 2)))>
1543749999.115 * * * * [misc]progress:  [ 11 / 19 ] simplifiying candidate #<alt (λ (x) (/ (/ 2 (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x)))))) (cbrt (+ (exp x) (exp (- x))))))>
1543749999.115 * [enter]simplify:  Simplifying (cbrt (+ (exp x) (exp (- x))))
1543749999.116 * * [misc]simplify:  iters left: 6 (6 enodes)
1543749999.119 * * [misc]simplify:  iters left: 5 (9 enodes)
1543749999.121 * * [misc]simplify:  iters left: 4 (11 enodes)
1543749999.125 * [exit]simplify:  Simplified to (cbrt (+ (exp x) (exp (- x))))
1543749999.125 * [misc]simplify:  Simplified (2 2) to (λ (x) (/ (/ 2 (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x)))))) (cbrt (+ (exp x) (exp (- x))))))
1543749999.125 * * * * [misc]progress:  [ 12 / 19 ] simplifiying candidate #<alt (λ (x) (/ (/ 2 (sqrt (+ (exp x) (exp (- x))))) (sqrt (+ (exp x) (exp (- x))))))>
1543749999.125 * [enter]simplify:  Simplifying (sqrt (+ (exp x) (exp (- x))))
1543749999.126 * * [misc]simplify:  iters left: 6 (6 enodes)
1543749999.128 * * [misc]simplify:  iters left: 5 (9 enodes)
1543749999.130 * * [misc]simplify:  iters left: 4 (11 enodes)
1543749999.134 * [exit]simplify:  Simplified to (sqrt (+ (exp x) (exp (- x))))
1543749999.134 * [misc]simplify:  Simplified (2 2) to (λ (x) (/ (/ 2 (sqrt (+ (exp x) (exp (- x))))) (sqrt (+ (exp x) (exp (- x))))))
1543749999.134 * * * * [misc]progress:  [ 13 / 19 ] simplifiying candidate #<alt (λ (x) (/ (/ 2 1) (+ (exp x) (exp (- x)))))>
1543749999.134 * [enter]simplify:  Simplifying (+ (exp x) (exp (- x)))
1543749999.135 * * [misc]simplify:  iters left: 5 (5 enodes)
1543749999.137 * * [misc]simplify:  iters left: 4 (8 enodes)
1543749999.140 * * [misc]simplify:  iters left: 3 (10 enodes)
1543749999.143 * [exit]simplify:  Simplified to (+ (exp x) (exp (- x)))
1543749999.143 * [misc]simplify:  Simplified (2 2) to (λ (x) (/ (/ 2 1) (+ (exp x) (exp (- x)))))
1543749999.143 * * * * [misc]progress:  [ 14 / 19 ] simplifiying candidate #<alt (λ (x) (/ (/ 2 1) (+ (exp x) (exp (- x)))))>
1543749999.143 * [enter]simplify:  Simplifying (+ (exp x) (exp (- x)))
1543749999.144 * * [misc]simplify:  iters left: 5 (5 enodes)
1543749999.146 * * [misc]simplify:  iters left: 4 (8 enodes)
1543749999.148 * * [misc]simplify:  iters left: 3 (10 enodes)
1543749999.152 * [exit]simplify:  Simplified to (+ (exp x) (exp (- x)))
1543749999.152 * [misc]simplify:  Simplified (2 2) to (λ (x) (/ (/ 2 1) (+ (exp x) (exp (- x)))))
1543749999.152 * * * * [misc]progress:  [ 15 / 19 ] simplifiying candidate #<alt (λ (x) (* (/ 2 (+ (pow (exp x) 3) (pow (exp (- x)) 3))) (+ (* (exp x) (exp x)) (- (* (exp (- x)) (exp (- x))) (* (exp x) (exp (- x)))))))>
1543749999.152 * [enter]simplify:  Simplifying (+ (* (exp x) (exp x)) (- (* (exp (- x)) (exp (- x))) (* (exp x) (exp (- x)))))
1543749999.154 * * [misc]simplify:  iters left: 6 (9 enodes)
1543749999.160 * * [misc]simplify:  iters left: 5 (25 enodes)
1543749999.174 * * [misc]simplify:  iters left: 4 (55 enodes)
1543749999.185 * * [misc]simplify:  iters left: 3 (87 enodes)
1543749999.215 * * [misc]simplify:  iters left: 2 (168 enodes)
1543749999.282 * * [misc]simplify:  iters left: 1 (277 enodes)
1543749999.373 * [exit]simplify:  Simplified to (+ (exp (- (+ x x))) (+ -1 (* (exp x) (exp x))))
1543749999.373 * [misc]simplify:  Simplified (2 2) to (λ (x) (* (/ 2 (+ (pow (exp x) 3) (pow (exp (- x)) 3))) (+ (exp (- (+ x x))) (+ -1 (* (exp x) (exp x))))))
1543749999.373 * * * * [misc]progress:  [ 16 / 19 ] simplifiying candidate #<alt (λ (x) (* (/ 2 (- (* (exp x) (exp x)) (* (exp (- x)) (exp (- x))))) (- (exp x) (exp (- x)))))>
1543749999.374 * [enter]simplify:  Simplifying (- (exp x) (exp (- x)))
1543749999.375 * * [misc]simplify:  iters left: 5 (5 enodes)
1543749999.380 * * [misc]simplify:  iters left: 4 (9 enodes)
1543749999.384 * * [misc]simplify:  iters left: 3 (15 enodes)
1543749999.389 * [exit]simplify:  Simplified to (+ (/ -1 (exp x)) (exp x))
1543749999.389 * [misc]simplify:  Simplified (2 2) to (λ (x) (* (/ 2 (- (* (exp x) (exp x)) (* (exp (- x)) (exp (- x))))) (+ (/ -1 (exp x)) (exp x))))
1543749999.389 * * * * [misc]progress:  [ 17 / 19 ] simplifiying candidate #<alt (λ (x) (- (+ (* 5/24 (pow x 4)) 1) (* 1/2 (pow x 2))))>
1543749999.389 * [enter]simplify:  Simplifying (- (+ (* 5/24 (pow x 4)) 1) (* 1/2 (pow x 2)))
1543749999.390 * * [misc]simplify:  iters left: 6 (12 enodes)
1543749999.396 * * [misc]simplify:  iters left: 5 (22 enodes)
1543749999.406 * * [misc]simplify:  iters left: 4 (41 enodes)
1543749999.421 * * [misc]simplify:  iters left: 3 (55 enodes)
1543749999.438 * * [misc]simplify:  iters left: 2 (63 enodes)
1543749999.456 * * [misc]simplify:  iters left: 1 (72 enodes)
1543749999.484 * [exit]simplify:  Simplified to (- (* (pow x 4) 5/24) (- (* (* x x) 1/2) 1))
1543749999.484 * [misc]simplify:  Simplified (2) to (λ (x) (- (* (pow x 4) 5/24) (- (* (* x x) 1/2) 1)))
1543749999.484 * * * * [misc]progress:  [ 18 / 19 ] simplifiying candidate #<alt (λ (x) (/ 2 (+ (exp x) (exp (- x)))))>
1543749999.485 * [enter]simplify:  Simplifying (/ 2 (+ (exp x) (exp (- x))))
1543749999.485 * * [misc]simplify:  iters left: 6 (7 enodes)
1543749999.488 * * [misc]simplify:  iters left: 5 (10 enodes)
1543749999.491 * * [misc]simplify:  iters left: 4 (12 enodes)
1543749999.495 * [exit]simplify:  Simplified to (/ 2 (+ (exp x) (exp (- x))))
1543749999.495 * [misc]simplify:  Simplified (2) to (λ (x) (/ 2 (+ (exp x) (exp (- x)))))
1543749999.495 * * * * [misc]progress:  [ 19 / 19 ] simplifiying candidate #<alt (λ (x) (/ 2 (+ (exp (* -1 x)) (exp x))))>
1543749999.495 * [enter]simplify:  Simplifying (/ 2 (+ (exp (* -1 x)) (exp x)))
1543749999.496 * * [misc]simplify:  iters left: 6 (8 enodes)
1543749999.500 * * [misc]simplify:  iters left: 5 (13 enodes)
1543749999.505 * * [misc]simplify:  iters left: 4 (15 enodes)
1543749999.510 * * [misc]simplify:  iters left: 3 (18 enodes)
1543749999.519 * [exit]simplify:  Simplified to (/ 2 (+ (exp x) (exp (- x))))
1543749999.519 * [misc]simplify:  Simplified (2) to (λ (x) (/ 2 (+ (exp x) (exp (- x)))))
1543749999.519 * * * [misc]progress:  adding candidates to table
1543749999.871 * [misc]progress:  [Phase 3 of 3] Extracting.
1543749999.878 * [enter]simplify:  Simplifying (/ 2 (+ (exp x) (exp (- x))))
1543749999.879 * * [misc]simplify:  iters left: 6 (7 enodes)
1543749999.880 * * [misc]simplify:  iters left: 5 (8 enodes)
1543749999.882 * [exit]simplify:  Simplified to (/ 2 (+ (exp x) (exp (- x))))
1543749999.882 * * * * [misc]points:  Sampling 8000 additional inputs, on iter 0 have 0 / 8000
1543750001.459 * * * * [misc]points:  Filtering points with unrepresentable outputs
1543750001.461 * * * * [exit]points:  Sampled 8000 points with exact outputs