1543755183.146 * [misc]progress:  [Phase 1 of 3] Setting up.
1543755183.146 * * * [misc]progress:  [1/2] Preparing points
1543755183.146 * * * * [misc]points:  Sampling 256 additional inputs, on iter 0 have 0 / 256
1543755183.177 * * * * [misc]points:  Filtering points with unrepresentable outputs
1543755183.177 * * * * [exit]points:  Sampled 256 points with exact outputs
1543755183.177 * * * [misc]progress:  [2/2] Setting up program.
1543755183.182 * [misc]progress:  [Phase 2 of 3] Improving.
1543755183.182 * [enter]simplify:  Simplifying (/ 2 (+ (exp x) (exp (- x))))
1543755183.182 * * [misc]simplify:  iters left: 6 (7 enodes)
1543755183.184 * * [misc]simplify:  iters left: 5 (10 enodes)
1543755183.185 * * [misc]simplify:  iters left: 4 (12 enodes)
1543755183.187 * [exit]simplify:  Simplified to (/ 2 (+ (exp x) (exp (- x))))
1543755183.195 * * [misc]progress:  iteration 1 / 4
1543755183.195 * * * [misc]progress:  picking best candidate
1543755183.199 * * * * [misc]pick:  Picked  #<alt (λ (x) (/ 2 (+ (exp x) (exp (- x)))))>
1543755183.199 * * * [misc]progress:  localizing error
1543755183.225 * * * [misc]progress:  generating rewritten candidates
1543755183.225 * * * * [misc]progress:  [ 1 / 1 ] rewriting at (2)
1543755183.360 * * * [misc]progress:  generating series expansions
1543755183.360 * * * * [misc]progress:  [ 1 / 1 ] generating series at (2)
1543755183.361 * [misc]backup-simplify:  Simplify (/ 2 (+ (exp x) (exp (- x)))) into (/ 2 (+ (exp x) (exp (- x))))
1543755183.361 * [misc]approximate:  Taking taylor expansion of (/ 2 (+ (exp x) (exp (- x)))) in (x) around 0
1543755183.361 * [misc]taylor:  Taking taylor expansion of (/ 2 (+ (exp x) (exp (- x)))) in x
1543755183.361 * [misc]taylor:  Taking taylor expansion of 2 in x
1543755183.361 * [misc]backup-simplify:  Simplify 2 into 2
1543755183.361 * [misc]taylor:  Taking taylor expansion of (+ (exp x) (exp (- x))) in x
1543755183.361 * [misc]taylor:  Taking taylor expansion of (exp x) in x
1543755183.361 * [misc]taylor:  Taking taylor expansion of x in x
1543755183.361 * [misc]backup-simplify:  Simplify 0 into 0
1543755183.361 * [misc]backup-simplify:  Simplify 1 into 1
1543755183.361 * [misc]backup-simplify:  Simplify (exp 0) into 1
1543755183.361 * [misc]taylor:  Taking taylor expansion of (exp (- x)) in x
1543755183.361 * [misc]taylor:  Taking taylor expansion of (- x) in x
1543755183.361 * [misc]taylor:  Taking taylor expansion of x in x
1543755183.361 * [misc]backup-simplify:  Simplify 0 into 0
1543755183.361 * [misc]backup-simplify:  Simplify 1 into 1
1543755183.362 * [misc]backup-simplify:  Simplify (- 0) into 0
1543755183.362 * [misc]backup-simplify:  Simplify (- 1) into -1
1543755183.362 * [misc]backup-simplify:  Simplify (exp 0) into 1
1543755183.362 * [misc]backup-simplify:  Simplify (+ 1 1) into 2
1543755183.362 * [misc]backup-simplify:  Simplify (/ 2 2) into 1
1543755183.362 * [misc]taylor:  Taking taylor expansion of (/ 2 (+ (exp x) (exp (- x)))) in x
1543755183.362 * [misc]taylor:  Taking taylor expansion of 2 in x
1543755183.362 * [misc]backup-simplify:  Simplify 2 into 2
1543755183.362 * [misc]taylor:  Taking taylor expansion of (+ (exp x) (exp (- x))) in x
1543755183.363 * [misc]taylor:  Taking taylor expansion of (exp x) in x
1543755183.363 * [misc]taylor:  Taking taylor expansion of x in x
1543755183.363 * [misc]backup-simplify:  Simplify 0 into 0
1543755183.363 * [misc]backup-simplify:  Simplify 1 into 1
1543755183.363 * [misc]backup-simplify:  Simplify (exp 0) into 1
1543755183.363 * [misc]taylor:  Taking taylor expansion of (exp (- x)) in x
1543755183.363 * [misc]taylor:  Taking taylor expansion of (- x) in x
1543755183.363 * [misc]taylor:  Taking taylor expansion of x in x
1543755183.363 * [misc]backup-simplify:  Simplify 0 into 0
1543755183.363 * [misc]backup-simplify:  Simplify 1 into 1
1543755183.363 * [misc]backup-simplify:  Simplify (- 0) into 0
1543755183.363 * [misc]backup-simplify:  Simplify (- 1) into -1
1543755183.363 * [misc]backup-simplify:  Simplify (exp 0) into 1
1543755183.363 * [misc]backup-simplify:  Simplify (+ 1 1) into 2
1543755183.363 * [misc]backup-simplify:  Simplify (/ 2 2) into 1
1543755183.364 * [misc]backup-simplify:  Simplify 1 into 1
1543755183.366 * [misc]backup-simplify:  Simplify (* (exp 0) (+ (* (/ (pow 1 1) 1)))) into 1
1543755183.366 * [misc]backup-simplify:  Simplify (- 1) into -1
1543755183.367 * [misc]backup-simplify:  Simplify (* (exp 0) (+ (* (/ (pow -1 1) 1)))) into -1
1543755183.367 * [misc]backup-simplify:  Simplify (+ 1 -1) into 0
1543755183.368 * [misc]backup-simplify:  Simplify (- (/ 0 2) (+ (* 1 (/ 0 2)))) into 0
1543755183.368 * [misc]backup-simplify:  Simplify 0 into 0
1543755183.370 * [misc]backup-simplify:  Simplify (* (exp 0) (+ (* (/ (pow 1 2) 2)) (* (/ (pow 0 1) 1)))) into 1/2
1543755183.370 * [misc]backup-simplify:  Simplify (- 1) into -1
1543755183.371 * [misc]backup-simplify:  Simplify (- 0) into 0
1543755183.373 * [misc]backup-simplify:  Simplify (* (exp 0) (+ (* (/ (pow -1 2) 2)) (* (/ (pow 0 1) 1)))) into 1/2
1543755183.373 * [misc]backup-simplify:  Simplify (+ 1/2 1/2) into 1
1543755183.373 * [misc]backup-simplify:  Simplify (- (/ 0 2) (+ (* 1 (/ 1 2)) (* 0 (/ 0 2)))) into -1/2
1543755183.373 * [misc]backup-simplify:  Simplify -1/2 into -1/2
1543755183.378 * [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
1543755183.378 * [misc]backup-simplify:  Simplify (- 1) into -1
1543755183.378 * [misc]backup-simplify:  Simplify (- 1) into -1
1543755183.378 * [misc]backup-simplify:  Simplify (- 0) into 0
1543755183.378 * [misc]backup-simplify:  Simplify (- 0) into 0
1543755183.382 * [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
1543755183.382 * [misc]backup-simplify:  Simplify (+ 1/6 -1/6) into 0
1543755183.383 * [misc]backup-simplify:  Simplify (- (/ 0 2) (+ (* 1 (/ 0 2)) (* 0 (/ 1 2)) (* -1/2 (/ 0 2)))) into 0
1543755183.383 * [misc]backup-simplify:  Simplify 0 into 0
1543755183.389 * [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
1543755183.389 * [misc]backup-simplify:  Simplify (- 1) into -1
1543755183.390 * [misc]backup-simplify:  Simplify (- 1) into -1
1543755183.390 * [misc]backup-simplify:  Simplify (- 0) into 0
1543755183.390 * [misc]backup-simplify:  Simplify (- 1) into -1
1543755183.390 * [misc]backup-simplify:  Simplify (- 0) into 0
1543755183.390 * [misc]backup-simplify:  Simplify (- 0) into 0
1543755183.390 * [misc]backup-simplify:  Simplify (- 0) into 0
1543755183.397 * [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
1543755183.397 * [misc]backup-simplify:  Simplify (+ 1/24 1/24) into 1/12
1543755183.397 * [misc]backup-simplify:  Simplify (- (/ 0 2) (+ (* 1 (/ 1/12 2)) (* 0 (/ 0 2)) (* -1/2 (/ 1 2)) (* 0 (/ 0 2)))) into 5/24
1543755183.398 * [misc]backup-simplify:  Simplify 5/24 into 5/24
1543755183.398 * [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)))
1543755183.398 * [misc]backup-simplify:  Simplify (/ 2 (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) into (/ 2 (+ (exp (/ 1 x)) (exp (- (/ 1 x)))))
1543755183.398 * [misc]approximate:  Taking taylor expansion of (/ 2 (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) in (x) around 0
1543755183.398 * [misc]taylor:  Taking taylor expansion of (/ 2 (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) in x
1543755183.398 * [misc]taylor:  Taking taylor expansion of 2 in x
1543755183.398 * [misc]backup-simplify:  Simplify 2 into 2
1543755183.398 * [misc]taylor:  Taking taylor expansion of (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
1543755183.398 * [misc]taylor:  Taking taylor expansion of (exp (/ 1 x)) in x
1543755183.398 * [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
1543755183.398 * [misc]taylor:  Taking taylor expansion of x in x
1543755183.399 * [misc]backup-simplify:  Simplify 0 into 0
1543755183.399 * [misc]backup-simplify:  Simplify 1 into 1
1543755183.399 * [misc]backup-simplify:  Simplify (/ 1 1) into 1
1543755183.399 * [misc]backup-simplify:  Simplify (exp (/ 1 x)) into (exp (/ 1 x))
1543755183.399 * [misc]taylor:  Taking taylor expansion of (exp (- (/ 1 x))) in x
1543755183.399 * [misc]taylor:  Taking taylor expansion of (- (/ 1 x)) in x
1543755183.399 * [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
1543755183.399 * [misc]taylor:  Taking taylor expansion of x in x
1543755183.399 * [misc]backup-simplify:  Simplify 0 into 0
1543755183.399 * [misc]backup-simplify:  Simplify 1 into 1
1543755183.399 * [misc]backup-simplify:  Simplify (/ 1 1) into 1
1543755183.399 * [misc]backup-simplify:  Simplify (- 1) into -1
1543755183.400 * [misc]backup-simplify:  Simplify (exp (- (/ 1 x))) into (exp (- (/ 1 x)))
1543755183.400 * [misc]backup-simplify:  Simplify (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) into (+ (exp (/ 1 x)) (exp (- (/ 1 x))))
1543755183.400 * [misc]backup-simplify:  Simplify (/ 2 (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) into (/ 2 (+ (exp (/ 1 x)) (exp (- (/ 1 x)))))
1543755183.400 * [misc]taylor:  Taking taylor expansion of (/ 2 (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) in x
1543755183.400 * [misc]taylor:  Taking taylor expansion of 2 in x
1543755183.400 * [misc]backup-simplify:  Simplify 2 into 2
1543755183.400 * [misc]taylor:  Taking taylor expansion of (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
1543755183.400 * [misc]taylor:  Taking taylor expansion of (exp (/ 1 x)) in x
1543755183.400 * [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
1543755183.400 * [misc]taylor:  Taking taylor expansion of x in x
1543755183.400 * [misc]backup-simplify:  Simplify 0 into 0
1543755183.400 * [misc]backup-simplify:  Simplify 1 into 1
1543755183.400 * [misc]backup-simplify:  Simplify (/ 1 1) into 1
1543755183.401 * [misc]backup-simplify:  Simplify (exp (/ 1 x)) into (exp (/ 1 x))
1543755183.401 * [misc]taylor:  Taking taylor expansion of (exp (- (/ 1 x))) in x
1543755183.401 * [misc]taylor:  Taking taylor expansion of (- (/ 1 x)) in x
1543755183.401 * [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
1543755183.401 * [misc]taylor:  Taking taylor expansion of x in x
1543755183.401 * [misc]backup-simplify:  Simplify 0 into 0
1543755183.401 * [misc]backup-simplify:  Simplify 1 into 1
1543755183.401 * [misc]backup-simplify:  Simplify (/ 1 1) into 1
1543755183.401 * [misc]backup-simplify:  Simplify (- 1) into -1
1543755183.401 * [misc]backup-simplify:  Simplify (exp (- (/ 1 x))) into (exp (- (/ 1 x)))
1543755183.401 * [misc]backup-simplify:  Simplify (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) into (+ (exp (/ 1 x)) (exp (- (/ 1 x))))
1543755183.402 * [misc]backup-simplify:  Simplify (/ 2 (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) into (/ 2 (+ (exp (/ 1 x)) (exp (- (/ 1 x)))))
1543755183.402 * [misc]backup-simplify:  Simplify (/ 2 (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) into (/ 2 (+ (exp (/ 1 x)) (exp (- (/ 1 x)))))
1543755183.402 * [misc]backup-simplify:  Simplify (+ 0 0) into 0
1543755183.403 * [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
1543755183.403 * [misc]backup-simplify:  Simplify 0 into 0
1543755183.403 * [misc]backup-simplify:  Simplify (+ 0 0) into 0
1543755183.404 * [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
1543755183.404 * [misc]backup-simplify:  Simplify 0 into 0
1543755183.404 * [misc]backup-simplify:  Simplify (+ 0 0) into 0
1543755183.405 * [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
1543755183.405 * [misc]backup-simplify:  Simplify 0 into 0
1543755183.405 * [misc]backup-simplify:  Simplify (+ 0 0) into 0
1543755183.406 * [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
1543755183.406 * [misc]backup-simplify:  Simplify 0 into 0
1543755183.407 * [misc]backup-simplify:  Simplify (+ 0 0) into 0
1543755183.408 * [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
1543755183.408 * [misc]backup-simplify:  Simplify 0 into 0
1543755183.408 * [misc]backup-simplify:  Simplify (+ 0 0) into 0
1543755183.409 * [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
1543755183.409 * [misc]backup-simplify:  Simplify 0 into 0
1543755183.410 * [misc]backup-simplify:  Simplify (/ 2 (+ (exp (/ 1 (/ 1 x))) (exp (- (/ 1 (/ 1 x)))))) into (/ 2 (+ (exp x) (exp (- x))))
1543755183.410 * [misc]backup-simplify:  Simplify (/ 2 (+ (exp (/ 1 (- x))) (exp (- (/ 1 (- x)))))) into (/ 2 (+ (exp (/ 1 x)) (exp (/ -1 x))))
1543755183.410 * [misc]approximate:  Taking taylor expansion of (/ 2 (+ (exp (/ 1 x)) (exp (/ -1 x)))) in (x) around 0
1543755183.410 * [misc]taylor:  Taking taylor expansion of (/ 2 (+ (exp (/ 1 x)) (exp (/ -1 x)))) in x
1543755183.410 * [misc]taylor:  Taking taylor expansion of 2 in x
1543755183.410 * [misc]backup-simplify:  Simplify 2 into 2
1543755183.410 * [misc]taylor:  Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in x
1543755183.410 * [misc]taylor:  Taking taylor expansion of (exp (/ 1 x)) in x
1543755183.410 * [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
1543755183.410 * [misc]taylor:  Taking taylor expansion of x in x
1543755183.410 * [misc]backup-simplify:  Simplify 0 into 0
1543755183.410 * [misc]backup-simplify:  Simplify 1 into 1
1543755183.410 * [misc]backup-simplify:  Simplify (/ 1 1) into 1
1543755183.410 * [misc]backup-simplify:  Simplify (exp (/ 1 x)) into (exp (/ 1 x))
1543755183.411 * [misc]taylor:  Taking taylor expansion of (exp (/ -1 x)) in x
1543755183.411 * [misc]taylor:  Taking taylor expansion of (/ -1 x) in x
1543755183.411 * [misc]taylor:  Taking taylor expansion of -1 in x
1543755183.411 * [misc]backup-simplify:  Simplify -1 into -1
1543755183.411 * [misc]taylor:  Taking taylor expansion of x in x
1543755183.411 * [misc]backup-simplify:  Simplify 0 into 0
1543755183.411 * [misc]backup-simplify:  Simplify 1 into 1
1543755183.411 * [misc]backup-simplify:  Simplify (/ -1 1) into -1
1543755183.411 * [misc]backup-simplify:  Simplify (exp (/ -1 x)) into (exp (/ -1 x))
1543755183.411 * [misc]backup-simplify:  Simplify (+ (exp (/ 1 x)) (exp (/ -1 x))) into (+ (exp (/ 1 x)) (exp (/ -1 x)))
1543755183.411 * [misc]backup-simplify:  Simplify (/ 2 (+ (exp (/ 1 x)) (exp (/ -1 x)))) into (/ 2 (+ (exp (/ 1 x)) (exp (/ -1 x))))
1543755183.411 * [misc]taylor:  Taking taylor expansion of (/ 2 (+ (exp (/ 1 x)) (exp (/ -1 x)))) in x
1543755183.411 * [misc]taylor:  Taking taylor expansion of 2 in x
1543755183.411 * [misc]backup-simplify:  Simplify 2 into 2
1543755183.411 * [misc]taylor:  Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in x
1543755183.411 * [misc]taylor:  Taking taylor expansion of (exp (/ 1 x)) in x
1543755183.411 * [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
1543755183.412 * [misc]taylor:  Taking taylor expansion of x in x
1543755183.412 * [misc]backup-simplify:  Simplify 0 into 0
1543755183.412 * [misc]backup-simplify:  Simplify 1 into 1
1543755183.412 * [misc]backup-simplify:  Simplify (/ 1 1) into 1
1543755183.412 * [misc]backup-simplify:  Simplify (exp (/ 1 x)) into (exp (/ 1 x))
1543755183.412 * [misc]taylor:  Taking taylor expansion of (exp (/ -1 x)) in x
1543755183.412 * [misc]taylor:  Taking taylor expansion of (/ -1 x) in x
1543755183.412 * [misc]taylor:  Taking taylor expansion of -1 in x
1543755183.412 * [misc]backup-simplify:  Simplify -1 into -1
1543755183.412 * [misc]taylor:  Taking taylor expansion of x in x
1543755183.412 * [misc]backup-simplify:  Simplify 0 into 0
1543755183.412 * [misc]backup-simplify:  Simplify 1 into 1
1543755183.412 * [misc]backup-simplify:  Simplify (/ -1 1) into -1
1543755183.412 * [misc]backup-simplify:  Simplify (exp (/ -1 x)) into (exp (/ -1 x))
1543755183.412 * [misc]backup-simplify:  Simplify (+ (exp (/ 1 x)) (exp (/ -1 x))) into (+ (exp (/ 1 x)) (exp (/ -1 x)))
1543755183.413 * [misc]backup-simplify:  Simplify (/ 2 (+ (exp (/ 1 x)) (exp (/ -1 x)))) into (/ 2 (+ (exp (/ 1 x)) (exp (/ -1 x))))
1543755183.413 * [misc]backup-simplify:  Simplify (/ 2 (+ (exp (/ 1 x)) (exp (/ -1 x)))) into (/ 2 (+ (exp (/ 1 x)) (exp (/ -1 x))))
1543755183.413 * [misc]backup-simplify:  Simplify (+ 0 0) into 0
1543755183.413 * [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
1543755183.413 * [misc]backup-simplify:  Simplify 0 into 0
1543755183.414 * [misc]backup-simplify:  Simplify (+ 0 0) into 0
1543755183.414 * [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
1543755183.414 * [misc]backup-simplify:  Simplify 0 into 0
1543755183.414 * [misc]backup-simplify:  Simplify (+ 0 0) into 0
1543755183.415 * [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
1543755183.415 * [misc]backup-simplify:  Simplify 0 into 0
1543755183.415 * [misc]backup-simplify:  Simplify (+ 0 0) into 0
1543755183.416 * [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
1543755183.416 * [misc]backup-simplify:  Simplify 0 into 0
1543755183.417 * [misc]backup-simplify:  Simplify (+ 0 0) into 0
1543755183.418 * [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
1543755183.418 * [misc]backup-simplify:  Simplify 0 into 0
1543755183.418 * [misc]backup-simplify:  Simplify (+ 0 0) into 0
1543755183.419 * [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
1543755183.419 * [misc]backup-simplify:  Simplify 0 into 0
1543755183.419 * [misc]backup-simplify:  Simplify (/ 2 (+ (exp (/ 1 (/ 1 (- x)))) (exp (/ -1 (/ 1 (- x)))))) into (/ 2 (+ (exp (* -1 x)) (exp x)))
1543755183.419 * * * [misc]progress:  simplifying candidates
1543755183.419 * * * * [misc]progress:  [ 1 / 21 ] simplifiying candidate #<alt (λ (x) (log1p (expm1 (/ 2 (+ (exp x) (exp (- x)))))))>
1543755183.419 * * * * [misc]progress:  [ 2 / 21 ] simplifiying candidate #<alt (λ (x) (expm1 (log1p (/ 2 (+ (exp x) (exp (- x)))))))>
1543755183.419 * * * * [misc]progress:  [ 3 / 21 ] simplifiying candidate #<alt (λ (x) (pow (/ 2 (+ (exp x) (exp (- x)))) 1))>
1543755183.420 * * * * [misc]progress:  [ 4 / 21 ] simplifiying candidate #<alt (λ (x) (exp (log (/ 2 (+ (exp x) (exp (- x)))))))>
1543755183.420 * * * * [misc]progress:  [ 5 / 21 ] simplifiying candidate #<alt (λ (x) (log (exp (/ 2 (+ (exp x) (exp (- x)))))))>
1543755183.420 * * * * [misc]progress:  [ 6 / 21 ] simplifiying candidate #<alt (λ (x) (* (* (cbrt (/ 2 (+ (exp x) (exp (- x))))) (cbrt (/ 2 (+ (exp x) (exp (- x)))))) (cbrt (/ 2 (+ (exp x) (exp (- x)))))))>
1543755183.420 * * * * [misc]progress:  [ 7 / 21 ] simplifiying candidate #<alt (λ (x) (cbrt (* (* (/ 2 (+ (exp x) (exp (- x)))) (/ 2 (+ (exp x) (exp (- x))))) (/ 2 (+ (exp x) (exp (- x)))))))>
1543755183.420 * * * * [misc]progress:  [ 8 / 21 ] simplifiying candidate #<alt (λ (x) (* (sqrt (/ 2 (+ (exp x) (exp (- x))))) (sqrt (/ 2 (+ (exp x) (exp (- x)))))))>
1543755183.420 * * * * [misc]progress:  [ 9 / 21 ] simplifiying candidate #<alt (λ (x) (/ (- 2) (- (+ (exp x) (exp (- x))))))>
1543755183.420 * * * * [misc]progress:  [ 10 / 21 ] simplifiying candidate #<alt (λ (x) (* 1 (/ 2 (+ (exp x) (exp (- x))))))>
1543755183.420 * * * * [misc]progress:  [ 11 / 21 ] simplifiying candidate #<alt (λ (x) (* 2 (/ 1 (+ (exp x) (exp (- x))))))>
1543755183.420 * * * * [misc]progress:  [ 12 / 21 ] simplifiying candidate #<alt (λ (x) (/ 1 (/ (+ (exp x) (exp (- x))) 2)))>
1543755183.420 * * * * [misc]progress:  [ 13 / 21 ] simplifiying candidate #<alt (λ (x) (/ (/ 2 (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x)))))) (cbrt (+ (exp x) (exp (- x))))))>
1543755183.420 * [enter]simplify:  Simplifying (cbrt (+ (exp x) (exp (- x))))
1543755183.426 * * [misc]simplify:  iters left: 6 (6 enodes)
1543755183.429 * * [misc]simplify:  iters left: 5 (9 enodes)
1543755183.432 * * [misc]simplify:  iters left: 4 (11 enodes)
1543755183.436 * [exit]simplify:  Simplified to (cbrt (+ (exp x) (exp (- x))))
1543755183.436 * [misc]simplify:  Simplified (2 2) to (λ (x) (/ (/ 2 (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x)))))) (cbrt (+ (exp x) (exp (- x))))))
1543755183.436 * * * * [misc]progress:  [ 14 / 21 ] simplifiying candidate #<alt (λ (x) (/ (/ 2 (sqrt (+ (exp x) (exp (- x))))) (sqrt (+ (exp x) (exp (- x))))))>
1543755183.437 * [enter]simplify:  Simplifying (sqrt (+ (exp x) (exp (- x))))
1543755183.438 * * [misc]simplify:  iters left: 6 (6 enodes)
1543755183.440 * * [misc]simplify:  iters left: 5 (9 enodes)
1543755183.443 * * [misc]simplify:  iters left: 4 (11 enodes)
1543755183.446 * [exit]simplify:  Simplified to (sqrt (+ (exp x) (exp (- x))))
1543755183.446 * [misc]simplify:  Simplified (2 2) to (λ (x) (/ (/ 2 (sqrt (+ (exp x) (exp (- x))))) (sqrt (+ (exp x) (exp (- x))))))
1543755183.446 * * * * [misc]progress:  [ 15 / 21 ] simplifiying candidate #<alt (λ (x) (/ (/ 2 1) (+ (exp x) (exp (- x)))))>
1543755183.447 * [enter]simplify:  Simplifying (+ (exp x) (exp (- x)))
1543755183.447 * * [misc]simplify:  iters left: 5 (5 enodes)
1543755183.449 * * [misc]simplify:  iters left: 4 (8 enodes)
1543755183.452 * * [misc]simplify:  iters left: 3 (10 enodes)
1543755183.455 * [exit]simplify:  Simplified to (+ (exp x) (exp (- x)))
1543755183.455 * [misc]simplify:  Simplified (2 2) to (λ (x) (/ (/ 2 1) (+ (exp x) (exp (- x)))))
1543755183.455 * * * * [misc]progress:  [ 16 / 21 ] simplifiying candidate #<alt (λ (x) (/ (/ 2 1) (+ (exp x) (exp (- x)))))>
1543755183.456 * [enter]simplify:  Simplifying (+ (exp x) (exp (- x)))
1543755183.457 * * [misc]simplify:  iters left: 5 (5 enodes)
1543755183.459 * * [misc]simplify:  iters left: 4 (8 enodes)
1543755183.461 * * [misc]simplify:  iters left: 3 (10 enodes)
1543755183.464 * [exit]simplify:  Simplified to (+ (exp x) (exp (- x)))
1543755183.464 * [misc]simplify:  Simplified (2 2) to (λ (x) (/ (/ 2 1) (+ (exp x) (exp (- x)))))
1543755183.464 * * * * [misc]progress:  [ 17 / 21 ] 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)))))))>
1543755183.465 * [enter]simplify:  Simplifying (+ (* (exp x) (exp x)) (- (* (exp (- x)) (exp (- x))) (* (exp x) (exp (- x)))))
1543755183.466 * * [misc]simplify:  iters left: 6 (9 enodes)
1543755183.472 * * [misc]simplify:  iters left: 5 (27 enodes)
1543755183.489 * * [misc]simplify:  iters left: 4 (59 enodes)
1543755183.513 * * [misc]simplify:  iters left: 3 (98 enodes)
1543755183.560 * * [misc]simplify:  iters left: 2 (197 enodes)
1543755183.697 * * [misc]simplify:  iters left: 1 (350 enodes)
1543755183.873 * [exit]simplify:  Simplified to (fma (exp (- x)) (exp (- x)) (expm1 (+ x x)))
1543755183.873 * [misc]simplify:  Simplified (2 2) to (λ (x) (* (/ 2 (+ (pow (exp x) 3) (pow (exp (- x)) 3))) (fma (exp (- x)) (exp (- x)) (expm1 (+ x x)))))
1543755183.874 * * * * [misc]progress:  [ 18 / 21 ] simplifiying candidate #<alt (λ (x) (* (/ 2 (- (* (exp x) (exp x)) (* (exp (- x)) (exp (- x))))) (- (exp x) (exp (- x)))))>
1543755183.874 * [enter]simplify:  Simplifying (- (exp x) (exp (- x)))
1543755183.874 * * [misc]simplify:  iters left: 5 (5 enodes)
1543755183.876 * * [misc]simplify:  iters left: 4 (9 enodes)
1543755183.880 * * [misc]simplify:  iters left: 3 (15 enodes)
1543755183.884 * [exit]simplify:  Simplified to (+ (/ -1 (exp x)) (exp x))
1543755183.884 * [misc]simplify:  Simplified (2 2) to (λ (x) (* (/ 2 (- (* (exp x) (exp x)) (* (exp (- x)) (exp (- x))))) (+ (/ -1 (exp x)) (exp x))))
1543755183.884 * * * * [misc]progress:  [ 19 / 21 ] simplifiying candidate #<alt (λ (x) (- (+ (* 5/24 (pow x 4)) 1) (* 1/2 (pow x 2))))>
1543755183.884 * [enter]simplify:  Simplifying (- (+ (* 5/24 (pow x 4)) 1) (* 1/2 (pow x 2)))
1543755183.885 * * [misc]simplify:  iters left: 6 (12 enodes)
1543755183.890 * * [misc]simplify:  iters left: 5 (23 enodes)
1543755183.897 * * [misc]simplify:  iters left: 4 (45 enodes)
1543755183.907 * * [misc]simplify:  iters left: 3 (65 enodes)
1543755183.919 * * [misc]simplify:  iters left: 2 (91 enodes)
1543755183.931 * * [misc]simplify:  iters left: 1 (104 enodes)
1543755183.961 * [exit]simplify:  Simplified to (fma 5/24 (pow x 4) (fma (* x x) -1/2 1))
1543755183.961 * [misc]simplify:  Simplified (2) to (λ (x) (fma 5/24 (pow x 4) (fma (* x x) -1/2 1)))
1543755183.961 * * * * [misc]progress:  [ 20 / 21 ] simplifiying candidate #<alt (λ (x) (/ 2 (+ (exp x) (exp (- x)))))>
1543755183.961 * [enter]simplify:  Simplifying (/ 2 (+ (exp x) (exp (- x))))
1543755183.962 * * [misc]simplify:  iters left: 6 (7 enodes)
1543755183.965 * * [misc]simplify:  iters left: 5 (10 enodes)
1543755183.968 * * [misc]simplify:  iters left: 4 (12 enodes)
1543755183.972 * [exit]simplify:  Simplified to (/ 2 (+ (exp x) (exp (- x))))
1543755183.972 * [misc]simplify:  Simplified (2) to (λ (x) (/ 2 (+ (exp x) (exp (- x)))))
1543755183.972 * * * * [misc]progress:  [ 21 / 21 ] simplifiying candidate #<alt (λ (x) (/ 2 (+ (exp (* -1 x)) (exp x))))>
1543755183.972 * [enter]simplify:  Simplifying (/ 2 (+ (exp (* -1 x)) (exp x)))
1543755183.973 * * [misc]simplify:  iters left: 6 (8 enodes)
1543755183.977 * * [misc]simplify:  iters left: 5 (13 enodes)
1543755183.982 * * [misc]simplify:  iters left: 4 (15 enodes)
1543755183.987 * * [misc]simplify:  iters left: 3 (18 enodes)
1543755183.994 * [exit]simplify:  Simplified to (/ 2 (+ (exp x) (exp (- x))))
1543755183.994 * [misc]simplify:  Simplified (2) to (λ (x) (/ 2 (+ (exp x) (exp (- x)))))
1543755183.994 * * * [misc]progress:  adding candidates to table
1543755184.398 * [misc]progress:  [Phase 3 of 3] Extracting.
1543755184.406 * [enter]simplify:  Simplifying (/ 2 (+ (exp x) (exp (- x))))
1543755184.407 * * [misc]simplify:  iters left: 6 (7 enodes)
1543755184.408 * * [misc]simplify:  iters left: 5 (8 enodes)
1543755184.409 * [exit]simplify:  Simplified to (/ 2 (+ (exp x) (exp (- x))))
1543755184.409 * * * * [misc]points:  Sampling 8000 additional inputs, on iter 0 have 0 / 8000
1543755186.006 * * * * [misc]points:  Filtering points with unrepresentable outputs
1543755186.009 * * * * [exit]points:  Sampled 8000 points with exact outputs