1.343 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.237 * * * [progress]: [2/2] Setting up program.
0.241 * [progress]: [Phase 2 of 3] Improving.
0.241 * * * * [progress]: [ 1 / 1 ] simplifiying candidate #<alt (λ (x) (sqrt (/ (- (exp (* 2 x)) 1) (- (exp x) 1))))>
0.243 * [simplify]: Simplifying:
  (sqrt (/ (- (exp (* 2 x)) 1) (- (exp x) 1)))
0.244 * * [simplify]: iteration 1: (10 enodes)
0.253 * * [simplify]: iteration 2: (22 enodes)
0.260 * * [simplify]: iteration 3: (28 enodes)
0.294 * * [simplify]: iteration 4: (51 enodes)
0.307 * * [simplify]: iteration 5: (106 enodes)
0.371 * * [simplify]: iteration 6: (283 enodes)
0.542 * * [simplify]: iteration 7: (796 enodes)
2.146 * * [simplify]: Extracting #0: cost 1 inf + 0
2.146 * * [simplify]: Extracting #1: cost 4 inf + 0
2.147 * * [simplify]: Extracting #2: cost 104 inf + 1
2.148 * * [simplify]: Extracting #3: cost 405 inf + 3
2.152 * * [simplify]: Extracting #4: cost 654 inf + 3283
2.163 * * [simplify]: Extracting #5: cost 598 inf + 29264
2.188 * * [simplify]: Extracting #6: cost 321 inf + 194206
2.267 * * [simplify]: Extracting #7: cost 19 inf + 417932
2.339 * * [simplify]: Extracting #8: cost 0 inf + 417737
2.413 * * [simplify]: Extracting #9: cost 0 inf + 412086
2.510 * * [simplify]: Extracting #10: cost 0 inf + 411330
2.578 * [simplify]: Simplified to:
  (sqrt (+ (exp x) 1))
2.592 * * [progress]: iteration 1 / 4
2.592 * * * [progress]: picking best candidate
2.596 * * * * [pick]: Picked  #<alt (λ (x) (sqrt (+ (exp x) 1)))>
2.597 * * * [progress]: localizing error
2.622 * * * [progress]: generating rewritten candidates
2.622 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
2.641 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
2.658 * * * [progress]: generating series expansions
2.658 * * * * [progress]: [ 1 / 2 ] generating series at (2)
2.665 * [backup-simplify]: Simplify (sqrt (+ (exp x) 1)) into (sqrt (+ (exp x) 1))
2.665 * [approximate]: Taking taylor expansion of (sqrt (+ (exp x) 1)) in (x) around 0
2.666 * [taylor]: Taking taylor expansion of (sqrt (+ (exp x) 1)) in x
2.666 * [taylor]: Taking taylor expansion of (+ (exp x) 1) in x
2.666 * [taylor]: Taking taylor expansion of (exp x) in x
2.666 * [taylor]: Taking taylor expansion of x in x
2.666 * [backup-simplify]: Simplify 0 into 0
2.666 * [backup-simplify]: Simplify 1 into 1
2.666 * [backup-simplify]: Simplify (exp 0) into 1
2.666 * [taylor]: Taking taylor expansion of 1 in x
2.666 * [backup-simplify]: Simplify 1 into 1
2.668 * [backup-simplify]: Simplify (+ 1 1) into 2
2.668 * [backup-simplify]: Simplify (sqrt 2) into (sqrt 2)
2.670 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow 1 1) 1)))) into 1
2.671 * [backup-simplify]: Simplify (+ 1 0) into 1
2.672 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt 2))) into (/ 1/2 (sqrt 2))
2.672 * [taylor]: Taking taylor expansion of (sqrt (+ (exp x) 1)) in x
2.672 * [taylor]: Taking taylor expansion of (+ (exp x) 1) in x
2.672 * [taylor]: Taking taylor expansion of (exp x) in x
2.672 * [taylor]: Taking taylor expansion of x in x
2.672 * [backup-simplify]: Simplify 0 into 0
2.672 * [backup-simplify]: Simplify 1 into 1
2.672 * [backup-simplify]: Simplify (exp 0) into 1
2.672 * [taylor]: Taking taylor expansion of 1 in x
2.672 * [backup-simplify]: Simplify 1 into 1
2.673 * [backup-simplify]: Simplify (+ 1 1) into 2
2.673 * [backup-simplify]: Simplify (sqrt 2) into (sqrt 2)
2.674 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow 1 1) 1)))) into 1
2.674 * [backup-simplify]: Simplify (+ 1 0) into 1
2.676 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt 2))) into (/ 1/2 (sqrt 2))
2.677 * [backup-simplify]: Simplify (sqrt 2) into (sqrt 2)
2.678 * [backup-simplify]: Simplify (/ 1/2 (sqrt 2)) into (/ 1/2 (sqrt 2))
2.680 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow 1 2) 2)) (* (/ (pow 0 1) 1)))) into 1/2
2.681 * [backup-simplify]: Simplify (+ 1/2 0) into 1/2
2.687 * [backup-simplify]: Simplify (/ (- 1/2 (pow (/ 1/2 (sqrt 2)) 2) (+)) (* 2 (sqrt 2))) into (* 1/2 (/ (- 1/2 (* 1/4 (/ 1 (pow (sqrt 2) 2)))) (sqrt 2)))
2.693 * [backup-simplify]: Simplify (* 1/2 (/ (- 1/2 (* 1/4 (/ 1 (pow (sqrt 2) 2)))) (sqrt 2))) into (* 1/2 (/ (- 1/2 (* 1/4 (/ 1 (pow (sqrt 2) 2)))) (sqrt 2)))
2.701 * [backup-simplify]: Simplify (+ (* (* 1/2 (/ (- 1/2 (* 1/4 (/ 1 (pow (sqrt 2) 2)))) (sqrt 2))) (pow x 2)) (+ (* (/ 1/2 (sqrt 2)) x) (sqrt 2))) into (- (+ (sqrt 2) (+ (* 1/4 (/ (pow x 2) (sqrt 2))) (* 1/2 (/ x (sqrt 2))))) (* 1/8 (/ (pow x 2) (pow (sqrt 2) 3))))
2.702 * [backup-simplify]: Simplify (sqrt (+ (exp (/ 1 x)) 1)) into (sqrt (+ (exp (/ 1 x)) 1))
2.702 * [approximate]: Taking taylor expansion of (sqrt (+ (exp (/ 1 x)) 1)) in (x) around 0
2.702 * [taylor]: Taking taylor expansion of (sqrt (+ (exp (/ 1 x)) 1)) in x
2.702 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1) in x
2.702 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
2.702 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.702 * [taylor]: Taking taylor expansion of x in x
2.702 * [backup-simplify]: Simplify 0 into 0
2.702 * [backup-simplify]: Simplify 1 into 1
2.702 * [backup-simplify]: Simplify (/ 1 1) into 1
2.702 * [backup-simplify]: Simplify (exp (/ 1 x)) into (exp (/ 1 x))
2.702 * [taylor]: Taking taylor expansion of 1 in x
2.702 * [backup-simplify]: Simplify 1 into 1
2.703 * [backup-simplify]: Simplify (+ (exp (/ 1 x)) 1) into (+ (exp (/ 1 x)) 1)
2.703 * [backup-simplify]: Simplify (sqrt (+ (exp (/ 1 x)) 1)) into (sqrt (+ (exp (/ 1 x)) 1))
2.703 * [backup-simplify]: Simplify (+ 0 0) into 0
2.703 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (+ (exp (/ 1 x)) 1)))) into 0
2.703 * [taylor]: Taking taylor expansion of (sqrt (+ (exp (/ 1 x)) 1)) in x
2.703 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1) in x
2.703 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
2.703 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.703 * [taylor]: Taking taylor expansion of x in x
2.703 * [backup-simplify]: Simplify 0 into 0
2.703 * [backup-simplify]: Simplify 1 into 1
2.704 * [backup-simplify]: Simplify (/ 1 1) into 1
2.704 * [backup-simplify]: Simplify (exp (/ 1 x)) into (exp (/ 1 x))
2.704 * [taylor]: Taking taylor expansion of 1 in x
2.704 * [backup-simplify]: Simplify 1 into 1
2.704 * [backup-simplify]: Simplify (+ (exp (/ 1 x)) 1) into (+ (exp (/ 1 x)) 1)
2.704 * [backup-simplify]: Simplify (sqrt (+ (exp (/ 1 x)) 1)) into (sqrt (+ (exp (/ 1 x)) 1))
2.704 * [backup-simplify]: Simplify (+ 0 0) into 0
2.705 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (+ (exp (/ 1 x)) 1)))) into 0
2.705 * [backup-simplify]: Simplify (sqrt (+ (exp (/ 1 x)) 1)) into (sqrt (+ (exp (/ 1 x)) 1))
2.705 * [backup-simplify]: Simplify 0 into 0
2.705 * [backup-simplify]: Simplify (+ 0 0) into 0
2.706 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (+ (exp (/ 1 x)) 1)))) into 0
2.706 * [backup-simplify]: Simplify 0 into 0
2.707 * [backup-simplify]: Simplify (+ 0 0) into 0
2.707 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (+ (exp (/ 1 x)) 1)))) into 0
2.707 * [backup-simplify]: Simplify 0 into 0
2.708 * [backup-simplify]: Simplify (+ 0 0) into 0
2.709 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (+ (exp (/ 1 x)) 1)))) into 0
2.709 * [backup-simplify]: Simplify 0 into 0
2.709 * [backup-simplify]: Simplify (+ 0 0) into 0
2.710 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (+ (exp (/ 1 x)) 1)))) into 0
2.710 * [backup-simplify]: Simplify 0 into 0
2.711 * [backup-simplify]: Simplify (+ 0 0) into 0
2.711 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (+ (exp (/ 1 x)) 1)))) into 0
2.711 * [backup-simplify]: Simplify 0 into 0
2.711 * [backup-simplify]: Simplify (sqrt (+ (exp (/ 1 (/ 1 x))) 1)) into (sqrt (+ (exp x) 1))
2.711 * [backup-simplify]: Simplify (sqrt (+ (exp (/ 1 (- x))) 1)) into (sqrt (+ (exp (/ -1 x)) 1))
2.711 * [approximate]: Taking taylor expansion of (sqrt (+ (exp (/ -1 x)) 1)) in (x) around 0
2.711 * [taylor]: Taking taylor expansion of (sqrt (+ (exp (/ -1 x)) 1)) in x
2.712 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1) in x
2.712 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
2.712 * [taylor]: Taking taylor expansion of (/ -1 x) in x
2.712 * [taylor]: Taking taylor expansion of -1 in x
2.712 * [backup-simplify]: Simplify -1 into -1
2.712 * [taylor]: Taking taylor expansion of x in x
2.712 * [backup-simplify]: Simplify 0 into 0
2.712 * [backup-simplify]: Simplify 1 into 1
2.712 * [backup-simplify]: Simplify (/ -1 1) into -1
2.712 * [backup-simplify]: Simplify (exp (/ -1 x)) into (exp (/ -1 x))
2.712 * [taylor]: Taking taylor expansion of 1 in x
2.712 * [backup-simplify]: Simplify 1 into 1
2.712 * [backup-simplify]: Simplify (+ (exp (/ -1 x)) 1) into (+ (exp (/ -1 x)) 1)
2.712 * [backup-simplify]: Simplify (sqrt (+ (exp (/ -1 x)) 1)) into (sqrt (+ (exp (/ -1 x)) 1))
2.712 * [backup-simplify]: Simplify (+ 0 0) into 0
2.713 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (+ (exp (/ -1 x)) 1)))) into 0
2.713 * [taylor]: Taking taylor expansion of (sqrt (+ (exp (/ -1 x)) 1)) in x
2.713 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1) in x
2.713 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
2.713 * [taylor]: Taking taylor expansion of (/ -1 x) in x
2.713 * [taylor]: Taking taylor expansion of -1 in x
2.713 * [backup-simplify]: Simplify -1 into -1
2.713 * [taylor]: Taking taylor expansion of x in x
2.713 * [backup-simplify]: Simplify 0 into 0
2.713 * [backup-simplify]: Simplify 1 into 1
2.713 * [backup-simplify]: Simplify (/ -1 1) into -1
2.713 * [backup-simplify]: Simplify (exp (/ -1 x)) into (exp (/ -1 x))
2.713 * [taylor]: Taking taylor expansion of 1 in x
2.713 * [backup-simplify]: Simplify 1 into 1
2.713 * [backup-simplify]: Simplify (+ (exp (/ -1 x)) 1) into (+ (exp (/ -1 x)) 1)
2.713 * [backup-simplify]: Simplify (sqrt (+ (exp (/ -1 x)) 1)) into (sqrt (+ (exp (/ -1 x)) 1))
2.713 * [backup-simplify]: Simplify (+ 0 0) into 0
2.713 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (+ (exp (/ -1 x)) 1)))) into 0
2.714 * [backup-simplify]: Simplify (sqrt (+ (exp (/ -1 x)) 1)) into (sqrt (+ (exp (/ -1 x)) 1))
2.714 * [backup-simplify]: Simplify 0 into 0
2.714 * [backup-simplify]: Simplify (+ 0 0) into 0
2.714 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (+ (exp (/ -1 x)) 1)))) into 0
2.714 * [backup-simplify]: Simplify 0 into 0
2.715 * [backup-simplify]: Simplify (+ 0 0) into 0
2.715 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (+ (exp (/ -1 x)) 1)))) into 0
2.715 * [backup-simplify]: Simplify 0 into 0
2.715 * [backup-simplify]: Simplify (+ 0 0) into 0
2.716 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (+ (exp (/ -1 x)) 1)))) into 0
2.716 * [backup-simplify]: Simplify 0 into 0
2.716 * [backup-simplify]: Simplify (+ 0 0) into 0
2.717 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (+ (exp (/ -1 x)) 1)))) into 0
2.717 * [backup-simplify]: Simplify 0 into 0
2.717 * [backup-simplify]: Simplify (+ 0 0) into 0
2.718 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (+ (exp (/ -1 x)) 1)))) into 0
2.718 * [backup-simplify]: Simplify 0 into 0
2.718 * [backup-simplify]: Simplify (sqrt (+ (exp (/ -1 (/ 1 (- x)))) 1)) into (sqrt (+ (exp x) 1))
2.718 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
2.718 * [backup-simplify]: Simplify (+ (exp x) 1) into (+ (exp x) 1)
2.718 * [approximate]: Taking taylor expansion of (+ (exp x) 1) in (x) around 0
2.718 * [taylor]: Taking taylor expansion of (+ (exp x) 1) in x
2.718 * [taylor]: Taking taylor expansion of (exp x) in x
2.718 * [taylor]: Taking taylor expansion of x in x
2.718 * [backup-simplify]: Simplify 0 into 0
2.718 * [backup-simplify]: Simplify 1 into 1
2.718 * [backup-simplify]: Simplify (exp 0) into 1
2.718 * [taylor]: Taking taylor expansion of 1 in x
2.718 * [backup-simplify]: Simplify 1 into 1
2.718 * [taylor]: Taking taylor expansion of (+ (exp x) 1) in x
2.718 * [taylor]: Taking taylor expansion of (exp x) in x
2.718 * [taylor]: Taking taylor expansion of x in x
2.718 * [backup-simplify]: Simplify 0 into 0
2.718 * [backup-simplify]: Simplify 1 into 1
2.718 * [backup-simplify]: Simplify (exp 0) into 1
2.718 * [taylor]: Taking taylor expansion of 1 in x
2.718 * [backup-simplify]: Simplify 1 into 1
2.719 * [backup-simplify]: Simplify (+ 1 1) into 2
2.719 * [backup-simplify]: Simplify 2 into 2
2.719 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow 1 1) 1)))) into 1
2.720 * [backup-simplify]: Simplify (+ 1 0) into 1
2.720 * [backup-simplify]: Simplify 1 into 1
2.721 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow 1 2) 2)) (* (/ (pow 0 1) 1)))) into 1/2
2.721 * [backup-simplify]: Simplify (+ 1/2 0) into 1/2
2.721 * [backup-simplify]: Simplify 1/2 into 1/2
2.721 * [backup-simplify]: Simplify (+ (* 1/2 (pow x 2)) (+ (* 1 x) 2)) into (+ x (+ (* 1/2 (pow x 2)) 2))
2.721 * [backup-simplify]: Simplify (+ (exp (/ 1 x)) 1) into (+ (exp (/ 1 x)) 1)
2.721 * [approximate]: Taking taylor expansion of (+ (exp (/ 1 x)) 1) in (x) around 0
2.721 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1) in x
2.721 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
2.721 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.721 * [taylor]: Taking taylor expansion of x in x
2.721 * [backup-simplify]: Simplify 0 into 0
2.721 * [backup-simplify]: Simplify 1 into 1
2.721 * [backup-simplify]: Simplify (/ 1 1) into 1
2.722 * [backup-simplify]: Simplify (exp (/ 1 x)) into (exp (/ 1 x))
2.722 * [taylor]: Taking taylor expansion of 1 in x
2.722 * [backup-simplify]: Simplify 1 into 1
2.722 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1) in x
2.722 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
2.722 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.722 * [taylor]: Taking taylor expansion of x in x
2.722 * [backup-simplify]: Simplify 0 into 0
2.722 * [backup-simplify]: Simplify 1 into 1
2.722 * [backup-simplify]: Simplify (/ 1 1) into 1
2.722 * [backup-simplify]: Simplify (exp (/ 1 x)) into (exp (/ 1 x))
2.722 * [taylor]: Taking taylor expansion of 1 in x
2.722 * [backup-simplify]: Simplify 1 into 1
2.722 * [backup-simplify]: Simplify (+ (exp (/ 1 x)) 1) into (+ (exp (/ 1 x)) 1)
2.722 * [backup-simplify]: Simplify (+ (exp (/ 1 x)) 1) into (+ (exp (/ 1 x)) 1)
2.722 * [backup-simplify]: Simplify (+ 0 0) into 0
2.722 * [backup-simplify]: Simplify 0 into 0
2.723 * [backup-simplify]: Simplify (+ 0 0) into 0
2.723 * [backup-simplify]: Simplify 0 into 0
2.723 * [backup-simplify]: Simplify (+ 0 0) into 0
2.723 * [backup-simplify]: Simplify 0 into 0
2.723 * [backup-simplify]: Simplify (+ 0 0) into 0
2.723 * [backup-simplify]: Simplify 0 into 0
2.723 * [backup-simplify]: Simplify (+ 0 0) into 0
2.724 * [backup-simplify]: Simplify 0 into 0
2.724 * [backup-simplify]: Simplify (+ 0 0) into 0
2.724 * [backup-simplify]: Simplify 0 into 0
2.724 * [backup-simplify]: Simplify (+ (exp (/ 1 (/ 1 x))) 1) into (+ (exp x) 1)
2.724 * [backup-simplify]: Simplify (+ (exp (/ 1 (- x))) 1) into (+ (exp (/ -1 x)) 1)
2.724 * [approximate]: Taking taylor expansion of (+ (exp (/ -1 x)) 1) in (x) around 0
2.724 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1) in x
2.724 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
2.724 * [taylor]: Taking taylor expansion of (/ -1 x) in x
2.724 * [taylor]: Taking taylor expansion of -1 in x
2.724 * [backup-simplify]: Simplify -1 into -1
2.724 * [taylor]: Taking taylor expansion of x in x
2.724 * [backup-simplify]: Simplify 0 into 0
2.724 * [backup-simplify]: Simplify 1 into 1
2.724 * [backup-simplify]: Simplify (/ -1 1) into -1
2.724 * [backup-simplify]: Simplify (exp (/ -1 x)) into (exp (/ -1 x))
2.724 * [taylor]: Taking taylor expansion of 1 in x
2.725 * [backup-simplify]: Simplify 1 into 1
2.725 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1) in x
2.725 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
2.725 * [taylor]: Taking taylor expansion of (/ -1 x) in x
2.725 * [taylor]: Taking taylor expansion of -1 in x
2.725 * [backup-simplify]: Simplify -1 into -1
2.725 * [taylor]: Taking taylor expansion of x in x
2.725 * [backup-simplify]: Simplify 0 into 0
2.725 * [backup-simplify]: Simplify 1 into 1
2.725 * [backup-simplify]: Simplify (/ -1 1) into -1
2.725 * [backup-simplify]: Simplify (exp (/ -1 x)) into (exp (/ -1 x))
2.725 * [taylor]: Taking taylor expansion of 1 in x
2.725 * [backup-simplify]: Simplify 1 into 1
2.725 * [backup-simplify]: Simplify (+ (exp (/ -1 x)) 1) into (+ (exp (/ -1 x)) 1)
2.725 * [backup-simplify]: Simplify (+ (exp (/ -1 x)) 1) into (+ (exp (/ -1 x)) 1)
2.725 * [backup-simplify]: Simplify (+ 0 0) into 0
2.725 * [backup-simplify]: Simplify 0 into 0
2.726 * [backup-simplify]: Simplify (+ 0 0) into 0
2.726 * [backup-simplify]: Simplify 0 into 0
2.726 * [backup-simplify]: Simplify (+ 0 0) into 0
2.726 * [backup-simplify]: Simplify 0 into 0
2.726 * [backup-simplify]: Simplify (+ 0 0) into 0
2.726 * [backup-simplify]: Simplify 0 into 0
2.727 * [backup-simplify]: Simplify (+ 0 0) into 0
2.727 * [backup-simplify]: Simplify 0 into 0
2.727 * [backup-simplify]: Simplify (+ 0 0) into 0
2.727 * [backup-simplify]: Simplify 0 into 0
2.727 * [backup-simplify]: Simplify (+ (exp (/ -1 (/ 1 (- x)))) 1) into (+ (exp x) 1)
2.727 * * * [progress]: simplifying candidates
2.727 * * * * [progress]: [ 1 / 45 ] simplifiying candidate #<alt (λ (x) (log1p (expm1 (sqrt (+ (exp x) 1)))))>
2.727 * * * * [progress]: [ 2 / 45 ] simplifiying candidate #<alt (λ (x) (expm1 (log1p (sqrt (+ (exp x) 1)))))>
2.727 * * * * [progress]: [ 3 / 45 ] simplifiying candidate #<alt (λ (x) (hypot (sqrt (exp x)) (sqrt 1)))>
2.727 * * * * [progress]: [ 4 / 45 ] simplifiying candidate #<alt (λ (x) (hypot (sqrt (exp x)) 1))>
2.727 * * * * [progress]: [ 5 / 45 ] simplifiying candidate #<alt (λ (x) (pow (+ (exp x) 1) 1/2))>
2.727 * * * * [progress]: [ 6 / 45 ] simplifiying candidate #<alt (λ (x) (pow (sqrt (+ (exp x) 1)) 1))>
2.727 * * * * [progress]: [ 7 / 45 ] simplifiying candidate #<alt (λ (x) (exp (log (sqrt (+ (exp x) 1)))))>
2.727 * * * * [progress]: [ 8 / 45 ] simplifiying candidate #<alt (λ (x) (log (exp (sqrt (+ (exp x) 1)))))>
2.727 * * * * [progress]: [ 9 / 45 ] simplifiying candidate #<alt (λ (x) (* (* (cbrt (sqrt (+ (exp x) 1))) (cbrt (sqrt (+ (exp x) 1)))) (cbrt (sqrt (+ (exp x) 1)))))>
2.727 * * * * [progress]: [ 10 / 45 ] simplifiying candidate #<alt (λ (x) (cbrt (* (* (sqrt (+ (exp x) 1)) (sqrt (+ (exp x) 1))) (sqrt (+ (exp x) 1)))))>
2.727 * * * * [progress]: [ 11 / 45 ] simplifiying candidate #<alt (λ (x) (* (sqrt (* (cbrt (+ (exp x) 1)) (cbrt (+ (exp x) 1)))) (sqrt (cbrt (+ (exp x) 1)))))>
2.728 * * * * [progress]: [ 12 / 45 ] simplifiying candidate #<alt (λ (x) (* (sqrt (sqrt (+ (exp x) 1))) (sqrt (sqrt (+ (exp x) 1)))))>
2.728 * * * * [progress]: [ 13 / 45 ] simplifiying candidate #<alt (λ (x) (* (sqrt 1) (sqrt (+ (exp x) 1))))>
2.728 * * * * [progress]: [ 14 / 45 ] simplifiying candidate #<alt (λ (x) (* (sqrt 1) (sqrt (+ (exp x) 1))))>
2.728 * * * * [progress]: [ 15 / 45 ] simplifiying candidate #<alt (λ (x) (/ (sqrt (+ (pow (exp x) 3) (pow 1 3))) (sqrt (+ (* (exp x) (exp x)) (- (* 1 1) (* (exp x) 1))))))>
2.728 * * * * [progress]: [ 16 / 45 ] simplifiying candidate #<alt (λ (x) (/ (sqrt (- (* (exp x) (exp x)) (* 1 1))) (sqrt (- (exp x) 1))))>
2.728 * * * * [progress]: [ 17 / 45 ] simplifiying candidate #<alt (λ (x) (pow (+ (exp x) 1) (/ 1 2)))>
2.728 * * * * [progress]: [ 18 / 45 ] simplifiying candidate #<alt (λ (x) (* (sqrt (sqrt (+ (exp x) 1))) (sqrt (sqrt (+ (exp x) 1)))))>
2.728 * * * * [progress]: [ 19 / 45 ] simplifiying candidate #<alt (λ (x) (fabs (sqrt (+ (exp x) 1))))>
2.728 * * * * [progress]: [ 20 / 45 ] simplifiying candidate #<alt (λ (x) (* 1 (sqrt (+ (exp x) 1))))>
2.728 * * * * [progress]: [ 21 / 45 ] simplifiying candidate #<alt (λ (x) (posit16->real (real->posit16 (sqrt (+ (exp x) 1)))))>
2.728 * * * * [progress]: [ 22 / 45 ] simplifiying candidate #<alt (λ (x) (sqrt (log1p (expm1 (+ (exp x) 1)))))>
2.728 * * * * [progress]: [ 23 / 45 ] simplifiying candidate #<alt (λ (x) (sqrt (expm1 (log1p (+ (exp x) 1)))))>
2.728 * * * * [progress]: [ 24 / 45 ] simplifiying candidate #<alt (λ (x) (sqrt (fma (* (cbrt (exp x)) (cbrt (exp x))) (cbrt (exp x)) 1)))>
2.728 * * * * [progress]: [ 25 / 45 ] simplifiying candidate #<alt (λ (x) (sqrt (fma (sqrt (exp x)) (sqrt (exp x)) 1)))>
2.728 * * * * [progress]: [ 26 / 45 ] simplifiying candidate #<alt (λ (x) (sqrt (fma 1 (exp x) 1)))>
2.728 * * * * [progress]: [ 27 / 45 ] simplifiying candidate #<alt (λ (x) (sqrt (log (* (exp (exp x)) (exp 1)))))>
2.728 * * * * [progress]: [ 28 / 45 ] simplifiying candidate #<alt (λ (x) (sqrt (pow (+ (exp x) 1) 1)))>
2.728 * * * * [progress]: [ 29 / 45 ] simplifiying candidate #<alt (λ (x) (sqrt (exp (log (+ (exp x) 1)))))>
2.728 * * * * [progress]: [ 30 / 45 ] simplifiying candidate #<alt (λ (x) (sqrt (log (exp (+ (exp x) 1)))))>
2.728 * * * * [progress]: [ 31 / 45 ] simplifiying candidate #<alt (λ (x) (sqrt (* (* (cbrt (+ (exp x) 1)) (cbrt (+ (exp x) 1))) (cbrt (+ (exp x) 1)))))>
2.728 * * * * [progress]: [ 32 / 45 ] simplifiying candidate #<alt (λ (x) (sqrt (cbrt (* (* (+ (exp x) 1) (+ (exp x) 1)) (+ (exp x) 1)))))>
2.728 * * * * [progress]: [ 33 / 45 ] simplifiying candidate #<alt (λ (x) (sqrt (* (sqrt (+ (exp x) 1)) (sqrt (+ (exp x) 1)))))>
2.728 * * * * [progress]: [ 34 / 45 ] simplifiying candidate #<alt (λ (x) (sqrt (/ (+ (pow (exp x) 3) (pow 1 3)) (+ (* (exp x) (exp x)) (- (* 1 1) (* (exp x) 1))))))>
2.728 * * * * [progress]: [ 35 / 45 ] simplifiying candidate #<alt (λ (x) (sqrt (* 1 (+ (exp x) 1))))>
2.728 * * * * [progress]: [ 36 / 45 ] simplifiying candidate #<alt (λ (x) (sqrt (/ (- (* (exp x) (exp x)) (* 1 1)) (- (exp x) 1))))>
2.728 * * * * [progress]: [ 37 / 45 ] simplifiying candidate #<alt (λ (x) (sqrt (* 1 (+ (exp x) 1))))>
2.728 * * * * [progress]: [ 38 / 45 ] simplifiying candidate #<alt (λ (x) (sqrt (posit16->real (real->posit16 (+ (exp x) 1)))))>
2.728 * * * * [progress]: [ 39 / 45 ] simplifiying candidate #<alt (λ (x) (sqrt (+ 1 (exp x))))>
2.728 * * * * [progress]: [ 40 / 45 ] simplifiying candidate #<alt (λ (x) (- (+ (sqrt 2) (+ (* 1/4 (/ (pow x 2) (sqrt 2))) (* 1/2 (/ x (sqrt 2))))) (* 1/8 (/ (pow x 2) (pow (sqrt 2) 3)))))>
2.728 * * * * [progress]: [ 41 / 45 ] simplifiying candidate #<alt (λ (x) (sqrt (+ (exp x) 1)))>
2.728 * * * * [progress]: [ 42 / 45 ] simplifiying candidate #<alt (λ (x) (sqrt (+ (exp x) 1)))>
2.729 * * * * [progress]: [ 43 / 45 ] simplifiying candidate #<alt (λ (x) (sqrt (+ x (+ (* 1/2 (pow x 2)) 2))))>
2.729 * * * * [progress]: [ 44 / 45 ] simplifiying candidate #<alt (λ (x) (sqrt (+ (exp x) 1)))>
2.729 * * * * [progress]: [ 45 / 45 ] simplifiying candidate #<alt (λ (x) (sqrt (+ (exp x) 1)))>
2.735 * [simplify]: Simplifying:
  (expm1 (sqrt (+ (exp x) 1)))
  (log1p (sqrt (+ (exp x) 1)))
  (log (sqrt (+ (exp x) 1)))
  (exp (sqrt (+ (exp x) 1)))
  (* (cbrt (sqrt (+ (exp x) 1))) (cbrt (sqrt (+ (exp x) 1))))
  (cbrt (sqrt (+ (exp x) 1)))
  (* (* (sqrt (+ (exp x) 1)) (sqrt (+ (exp x) 1))) (sqrt (+ (exp x) 1)))
  (sqrt (* (cbrt (+ (exp x) 1)) (cbrt (+ (exp x) 1))))
  (sqrt (cbrt (+ (exp x) 1)))
  (sqrt (sqrt (+ (exp x) 1)))
  (sqrt (sqrt (+ (exp x) 1)))
  (sqrt 1)
  (sqrt (+ (exp x) 1))
  (sqrt 1)
  (sqrt (+ (exp x) 1))
  (sqrt (+ (pow (exp x) 3) (pow 1 3)))
  (sqrt (+ (* (exp x) (exp x)) (- (* 1 1) (* (exp x) 1))))
  (sqrt (- (* (exp x) (exp x)) (* 1 1)))
  (sqrt (- (exp x) 1))
  (/ 1 2)
  (sqrt (sqrt (+ (exp x) 1)))
  (sqrt (sqrt (+ (exp x) 1)))
  (real->posit16 (sqrt (+ (exp x) 1)))
  (expm1 (+ (exp x) 1))
  (log1p (+ (exp x) 1))
  (* (exp (exp x)) (exp 1))
  (log (+ (exp x) 1))
  (exp (+ (exp x) 1))
  (* (cbrt (+ (exp x) 1)) (cbrt (+ (exp x) 1)))
  (cbrt (+ (exp x) 1))
  (* (* (+ (exp x) 1) (+ (exp x) 1)) (+ (exp x) 1))
  (sqrt (+ (exp x) 1))
  (sqrt (+ (exp x) 1))
  (+ (pow (exp x) 3) (pow 1 3))
  (+ (* (exp x) (exp x)) (- (* 1 1) (* (exp x) 1)))
  (- (* (exp x) (exp x)) (* 1 1))
  (- (exp x) 1)
  (+ (exp x) 1)
  (real->posit16 (+ (exp x) 1))
  (- (+ (sqrt 2) (+ (* 1/4 (/ (pow x 2) (sqrt 2))) (* 1/2 (/ x (sqrt 2))))) (* 1/8 (/ (pow x 2) (pow (sqrt 2) 3))))
  (sqrt (+ (exp x) 1))
  (sqrt (+ (exp x) 1))
  (+ x (+ (* 1/2 (pow x 2)) 2))
  (+ (exp x) 1)
  (+ (exp x) 1)
2.735 * * [simplify]: iteration 1: (65 enodes)
2.758 * * [simplify]: iteration 2: (146 enodes)
2.803 * * [simplify]: iteration 3: (345 enodes)
2.958 * * [simplify]: iteration 4: (862 enodes)
3.890 * * [simplify]: Extracting #0: cost 33 inf + 0
3.891 * * [simplify]: Extracting #1: cost 136 inf + 2
3.892 * * [simplify]: Extracting #2: cost 428 inf + 474
3.896 * * [simplify]: Extracting #3: cost 413 inf + 9615
3.907 * * [simplify]: Extracting #4: cost 187 inf + 55213
3.933 * * [simplify]: Extracting #5: cost 30 inf + 109762
3.963 * * [simplify]: Extracting #6: cost 1 inf + 120442
3.985 * * [simplify]: Extracting #7: cost 0 inf + 120594
4.011 * [simplify]: Simplified to:
  (expm1 (sqrt (+ 1 (exp x))))
  (log1p (sqrt (+ 1 (exp x))))
  (log (sqrt (+ 1 (exp x))))
  (exp (sqrt (+ 1 (exp x))))
  (* (cbrt (sqrt (+ 1 (exp x)))) (cbrt (sqrt (+ 1 (exp x)))))
  (cbrt (sqrt (+ 1 (exp x))))
  (* (+ 1 (exp x)) (sqrt (+ 1 (exp x))))
  (fabs (cbrt (+ 1 (exp x))))
  (sqrt (cbrt (+ 1 (exp x))))
  (sqrt (sqrt (+ 1 (exp x))))
  (sqrt (sqrt (+ 1 (exp x))))
  1
  (sqrt (+ 1 (exp x)))
  1
  (sqrt (+ 1 (exp x)))
  (sqrt (+ (exp (* 3 x)) 1))
  (sqrt (- (fma (exp x) (exp x) 1) (exp x)))
  (sqrt (expm1 (+ x x)))
  (sqrt (expm1 x))
  1/2
  (sqrt (sqrt (+ 1 (exp x))))
  (sqrt (sqrt (+ 1 (exp x))))
  (real->posit16 (sqrt (+ 1 (exp x))))
  (expm1 (+ 1 (exp x)))
  (log1p (+ 1 (exp x)))
  (* (exp (exp x)) E)
  (log1p (exp x))
  (* (exp (exp x)) E)
  (* (cbrt (+ 1 (exp x))) (cbrt (+ 1 (exp x))))
  (cbrt (+ 1 (exp x)))
  (* (* (+ 1 (exp x)) (+ 1 (exp x))) (+ 1 (exp x)))
  (sqrt (+ 1 (exp x)))
  (sqrt (+ 1 (exp x)))
  (+ (exp (* 3 x)) 1)
  (- (fma (exp x) (exp x) 1) (exp x))
  (expm1 (+ x x))
  (expm1 x)
  (+ 1 (exp x))
  (real->posit16 (+ 1 (exp x)))
  (fma 1/2 (/ x (sqrt 2)) (+ (* (/ x (/ (sqrt 2) x)) 3/16) (sqrt 2)))
  (sqrt (+ 1 (exp x)))
  (sqrt (+ 1 (exp x)))
  (fma (fma x 1/2 1) x 2)
  (+ 1 (exp x))
  (+ 1 (exp x))
4.013 * * * [progress]: adding candidates to table
4.427 * [progress]: [Phase 3 of 3] Extracting.
4.432 * [simplify]: Simplifying:
  (sqrt (+ (exp x) 1))
4.432 * * [simplify]: iteration 1: (5 enodes)
4.432 * * [simplify]: iteration 2: (6 enodes)
4.433 * * [simplify]: Extracting #0: cost 1 inf + 0
4.433 * * [simplify]: Extracting #1: cost 2 inf + 0
4.433 * * [simplify]: Extracting #2: cost 4 inf + 0
4.433 * * [simplify]: Extracting #3: cost 4 inf + 1
4.433 * * [simplify]: Extracting #4: cost 3 inf + 2
4.433 * * [simplify]: Extracting #5: cost 0 inf + 337
4.433 * [simplify]: Simplified to:
  (sqrt (+ (exp x) 1))
14.223 * [regime-testing]: Baseline error score: 0.06777767956506714
14.225 * [regime-testing]: Oracle error score: 0.06777767956506714
14.225 * [regime-testing]: End program error score: 0.06777767956506714