0.940 * [progress]: [Phase 1 of 3] Setting up.
0.003 * * * [progress]: [1/2] Preparing points
0.295 * * * [progress]: [2/2] Setting up program.
0.300 * [progress]: [Phase 2 of 3] Improving.
0.300 * * * * [progress]: [ 1 / 1 ] simplifiying candidate #<alt (λ (x) (sqrt (/ (- (exp (* 2 x)) 1) (- (exp x) 1))))>
0.302 * [simplify]: Simplifying:
  (sqrt (/ (- (exp (* 2 x)) 1) (- (exp x) 1)))
0.303 * * [simplify]: iteration 1: (10 enodes)
0.309 * * [simplify]: iteration 2: (20 enodes)
0.312 * * [simplify]: iteration 3: (28 enodes)
0.316 * * [simplify]: iteration 4: (47 enodes)
0.352 * * [simplify]: iteration 5: (99 enodes)
0.380 * * [simplify]: iteration 6: (264 enodes)
0.481 * * [simplify]: iteration 7: (746 enodes)
1.833 * * [simplify]: Extracting #0: cost 1 inf + 0
1.833 * * [simplify]: Extracting #1: cost 2 inf + 0
1.834 * * [simplify]: Extracting #2: cost 94 inf + 0
1.835 * * [simplify]: Extracting #3: cost 358 inf + 1
1.837 * * [simplify]: Extracting #4: cost 641 inf + 3
1.846 * * [simplify]: Extracting #5: cost 655 inf + 12448
1.864 * * [simplify]: Extracting #6: cost 442 inf + 109395
1.914 * * [simplify]: Extracting #7: cost 121 inf + 337575
2.015 * * [simplify]: Extracting #8: cost 0 inf + 431967
2.088 * * [simplify]: Extracting #9: cost 0 inf + 423657
2.156 * * [simplify]: Extracting #10: cost 0 inf + 416312
2.224 * * [simplify]: Extracting #11: cost 0 inf + 415895
2.325 * [simplify]: Simplified to:
  (sqrt (+ 1 (exp x)))
2.339 * * [progress]: iteration 1 / 4
2.339 * * * [progress]: picking best candidate
2.342 * * * * [pick]: Picked  #<alt (λ (x) (sqrt (+ 1 (exp x))))>
2.343 * * * [progress]: localizing error
2.354 * * * [progress]: generating rewritten candidates
2.354 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
2.367 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
2.375 * * * [progress]: generating series expansions
2.375 * * * * [progress]: [ 1 / 2 ] generating series at (2)
2.382 * [backup-simplify]: Simplify (sqrt (+ 1 (exp x))) into (sqrt (+ (exp x) 1))
2.382 * [approximate]: Taking taylor expansion of (sqrt (+ (exp x) 1)) in (x) around 0
2.383 * [taylor]: Taking taylor expansion of (sqrt (+ (exp x) 1)) in x
2.383 * [taylor]: Taking taylor expansion of (+ (exp x) 1) in x
2.383 * [taylor]: Taking taylor expansion of (exp x) in x
2.383 * [taylor]: Taking taylor expansion of x in x
2.383 * [backup-simplify]: Simplify 0 into 0
2.383 * [backup-simplify]: Simplify 1 into 1
2.383 * [backup-simplify]: Simplify (exp 0) into 1
2.383 * [taylor]: Taking taylor expansion of 1 in x
2.383 * [backup-simplify]: Simplify 1 into 1
2.388 * [backup-simplify]: Simplify (+ 1 1) into 2
2.388 * [backup-simplify]: Simplify (sqrt 2) into (sqrt 2)
2.390 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow 1 1) 1)))) into 1
2.390 * [backup-simplify]: Simplify (+ 1 0) into 1
2.392 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt 2))) into (/ 1/2 (sqrt 2))
2.392 * [taylor]: Taking taylor expansion of (sqrt (+ (exp x) 1)) in x
2.392 * [taylor]: Taking taylor expansion of (+ (exp x) 1) in x
2.392 * [taylor]: Taking taylor expansion of (exp x) in x
2.392 * [taylor]: Taking taylor expansion of x in x
2.392 * [backup-simplify]: Simplify 0 into 0
2.392 * [backup-simplify]: Simplify 1 into 1
2.392 * [backup-simplify]: Simplify (exp 0) into 1
2.392 * [taylor]: Taking taylor expansion of 1 in x
2.392 * [backup-simplify]: Simplify 1 into 1
2.393 * [backup-simplify]: Simplify (+ 1 1) into 2
2.393 * [backup-simplify]: Simplify (sqrt 2) into (sqrt 2)
2.394 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow 1 1) 1)))) into 1
2.394 * [backup-simplify]: Simplify (+ 1 0) into 1
2.396 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt 2))) into (/ 1/2 (sqrt 2))
2.397 * [backup-simplify]: Simplify (sqrt 2) into (sqrt 2)
2.398 * [backup-simplify]: Simplify (/ 1/2 (sqrt 2)) into (/ 1/2 (sqrt 2))
2.400 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow 1 2) 2)) (* (/ (pow 0 1) 1)))) into 1/2
2.401 * [backup-simplify]: Simplify (+ 1/2 0) into 1/2
2.406 * [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)))
2.412 * [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)))
2.421 * [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))))
2.421 * [backup-simplify]: Simplify (sqrt (+ 1 (exp (/ 1 x)))) into (sqrt (+ (exp (/ 1 x)) 1))
2.421 * [approximate]: Taking taylor expansion of (sqrt (+ (exp (/ 1 x)) 1)) in (x) around 0
2.421 * [taylor]: Taking taylor expansion of (sqrt (+ (exp (/ 1 x)) 1)) in x
2.421 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1) in x
2.421 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
2.421 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.421 * [taylor]: Taking taylor expansion of x in x
2.421 * [backup-simplify]: Simplify 0 into 0
2.421 * [backup-simplify]: Simplify 1 into 1
2.422 * [backup-simplify]: Simplify (/ 1 1) into 1
2.422 * [backup-simplify]: Simplify (exp (/ 1 x)) into (exp (/ 1 x))
2.422 * [taylor]: Taking taylor expansion of 1 in x
2.422 * [backup-simplify]: Simplify 1 into 1
2.422 * [backup-simplify]: Simplify (+ (exp (/ 1 x)) 1) into (+ (exp (/ 1 x)) 1)
2.422 * [backup-simplify]: Simplify (sqrt (+ (exp (/ 1 x)) 1)) into (sqrt (+ (exp (/ 1 x)) 1))
2.423 * [backup-simplify]: Simplify (+ 0 0) into 0
2.423 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (+ (exp (/ 1 x)) 1)))) into 0
2.423 * [taylor]: Taking taylor expansion of (sqrt (+ (exp (/ 1 x)) 1)) in x
2.423 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1) in x
2.423 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
2.423 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.423 * [taylor]: Taking taylor expansion of x in x
2.423 * [backup-simplify]: Simplify 0 into 0
2.423 * [backup-simplify]: Simplify 1 into 1
2.423 * [backup-simplify]: Simplify (/ 1 1) into 1
2.423 * [backup-simplify]: Simplify (exp (/ 1 x)) into (exp (/ 1 x))
2.423 * [taylor]: Taking taylor expansion of 1 in x
2.423 * [backup-simplify]: Simplify 1 into 1
2.424 * [backup-simplify]: Simplify (+ (exp (/ 1 x)) 1) into (+ (exp (/ 1 x)) 1)
2.424 * [backup-simplify]: Simplify (sqrt (+ (exp (/ 1 x)) 1)) into (sqrt (+ (exp (/ 1 x)) 1))
2.424 * [backup-simplify]: Simplify (+ 0 0) into 0
2.424 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (+ (exp (/ 1 x)) 1)))) into 0
2.424 * [backup-simplify]: Simplify (sqrt (+ (exp (/ 1 x)) 1)) into (sqrt (+ (exp (/ 1 x)) 1))
2.424 * [backup-simplify]: Simplify 0 into 0
2.425 * [backup-simplify]: Simplify (+ 0 0) into 0
2.425 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (+ (exp (/ 1 x)) 1)))) into 0
2.426 * [backup-simplify]: Simplify 0 into 0
2.426 * [backup-simplify]: Simplify (+ 0 0) into 0
2.427 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (+ (exp (/ 1 x)) 1)))) into 0
2.427 * [backup-simplify]: Simplify 0 into 0
2.427 * [backup-simplify]: Simplify (+ 0 0) into 0
2.428 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (+ (exp (/ 1 x)) 1)))) into 0
2.428 * [backup-simplify]: Simplify 0 into 0
2.429 * [backup-simplify]: Simplify (+ 0 0) into 0
2.430 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (+ (exp (/ 1 x)) 1)))) into 0
2.430 * [backup-simplify]: Simplify 0 into 0
2.430 * [backup-simplify]: Simplify (+ 0 0) into 0
2.431 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (+ (exp (/ 1 x)) 1)))) into 0
2.431 * [backup-simplify]: Simplify 0 into 0
2.431 * [backup-simplify]: Simplify (sqrt (+ (exp (/ 1 (/ 1 x))) 1)) into (sqrt (+ (exp x) 1))
2.431 * [backup-simplify]: Simplify (sqrt (+ 1 (exp (/ 1 (- x))))) into (sqrt (+ (exp (/ -1 x)) 1))
2.431 * [approximate]: Taking taylor expansion of (sqrt (+ (exp (/ -1 x)) 1)) in (x) around 0
2.432 * [taylor]: Taking taylor expansion of (sqrt (+ (exp (/ -1 x)) 1)) in x
2.432 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1) in x
2.432 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
2.432 * [taylor]: Taking taylor expansion of (/ -1 x) in x
2.432 * [taylor]: Taking taylor expansion of -1 in x
2.432 * [backup-simplify]: Simplify -1 into -1
2.432 * [taylor]: Taking taylor expansion of x in x
2.432 * [backup-simplify]: Simplify 0 into 0
2.432 * [backup-simplify]: Simplify 1 into 1
2.432 * [backup-simplify]: Simplify (/ -1 1) into -1
2.432 * [backup-simplify]: Simplify (exp (/ -1 x)) into (exp (/ -1 x))
2.432 * [taylor]: Taking taylor expansion of 1 in x
2.432 * [backup-simplify]: Simplify 1 into 1
2.433 * [backup-simplify]: Simplify (+ (exp (/ -1 x)) 1) into (+ (exp (/ -1 x)) 1)
2.433 * [backup-simplify]: Simplify (sqrt (+ (exp (/ -1 x)) 1)) into (sqrt (+ (exp (/ -1 x)) 1))
2.433 * [backup-simplify]: Simplify (+ 0 0) into 0
2.433 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (+ (exp (/ -1 x)) 1)))) into 0
2.433 * [taylor]: Taking taylor expansion of (sqrt (+ (exp (/ -1 x)) 1)) in x
2.433 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1) in x
2.433 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
2.433 * [taylor]: Taking taylor expansion of (/ -1 x) in x
2.433 * [taylor]: Taking taylor expansion of -1 in x
2.433 * [backup-simplify]: Simplify -1 into -1
2.433 * [taylor]: Taking taylor expansion of x in x
2.433 * [backup-simplify]: Simplify 0 into 0
2.433 * [backup-simplify]: Simplify 1 into 1
2.434 * [backup-simplify]: Simplify (/ -1 1) into -1
2.434 * [backup-simplify]: Simplify (exp (/ -1 x)) into (exp (/ -1 x))
2.434 * [taylor]: Taking taylor expansion of 1 in x
2.434 * [backup-simplify]: Simplify 1 into 1
2.434 * [backup-simplify]: Simplify (+ (exp (/ -1 x)) 1) into (+ (exp (/ -1 x)) 1)
2.434 * [backup-simplify]: Simplify (sqrt (+ (exp (/ -1 x)) 1)) into (sqrt (+ (exp (/ -1 x)) 1))
2.435 * [backup-simplify]: Simplify (+ 0 0) into 0
2.435 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (+ (exp (/ -1 x)) 1)))) into 0
2.435 * [backup-simplify]: Simplify (sqrt (+ (exp (/ -1 x)) 1)) into (sqrt (+ (exp (/ -1 x)) 1))
2.435 * [backup-simplify]: Simplify 0 into 0
2.435 * [backup-simplify]: Simplify (+ 0 0) into 0
2.436 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+)) (* 2 (sqrt (+ (exp (/ -1 x)) 1)))) into 0
2.436 * [backup-simplify]: Simplify 0 into 0
2.437 * [backup-simplify]: Simplify (+ 0 0) into 0
2.437 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)))) (* 2 (sqrt (+ (exp (/ -1 x)) 1)))) into 0
2.437 * [backup-simplify]: Simplify 0 into 0
2.438 * [backup-simplify]: Simplify (+ 0 0) into 0
2.439 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)))) (* 2 (sqrt (+ (exp (/ -1 x)) 1)))) into 0
2.439 * [backup-simplify]: Simplify 0 into 0
2.439 * [backup-simplify]: Simplify (+ 0 0) into 0
2.440 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (+ (exp (/ -1 x)) 1)))) into 0
2.440 * [backup-simplify]: Simplify 0 into 0
2.441 * [backup-simplify]: Simplify (+ 0 0) into 0
2.442 * [backup-simplify]: Simplify (/ (- 0 (pow 0 2) (+ (* 2 (* 0 0)) (* 2 (* 0 0)))) (* 2 (sqrt (+ (exp (/ -1 x)) 1)))) into 0
2.442 * [backup-simplify]: Simplify 0 into 0
2.442 * [backup-simplify]: Simplify (sqrt (+ (exp (/ -1 (/ 1 (- x)))) 1)) into (sqrt (+ (exp x) 1))
2.442 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
2.442 * [backup-simplify]: Simplify (+ 1 (exp x)) into (+ (exp x) 1)
2.442 * [approximate]: Taking taylor expansion of (+ (exp x) 1) in (x) around 0
2.442 * [taylor]: Taking taylor expansion of (+ (exp x) 1) in x
2.442 * [taylor]: Taking taylor expansion of (exp x) in x
2.442 * [taylor]: Taking taylor expansion of x in x
2.442 * [backup-simplify]: Simplify 0 into 0
2.443 * [backup-simplify]: Simplify 1 into 1
2.443 * [backup-simplify]: Simplify (exp 0) into 1
2.443 * [taylor]: Taking taylor expansion of 1 in x
2.443 * [backup-simplify]: Simplify 1 into 1
2.443 * [taylor]: Taking taylor expansion of (+ (exp x) 1) in x
2.443 * [taylor]: Taking taylor expansion of (exp x) in x
2.443 * [taylor]: Taking taylor expansion of x in x
2.443 * [backup-simplify]: Simplify 0 into 0
2.443 * [backup-simplify]: Simplify 1 into 1
2.443 * [backup-simplify]: Simplify (exp 0) into 1
2.443 * [taylor]: Taking taylor expansion of 1 in x
2.443 * [backup-simplify]: Simplify 1 into 1
2.443 * [backup-simplify]: Simplify (+ 1 1) into 2
2.443 * [backup-simplify]: Simplify 2 into 2
2.444 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow 1 1) 1)))) into 1
2.445 * [backup-simplify]: Simplify (+ 1 0) into 1
2.445 * [backup-simplify]: Simplify 1 into 1
2.447 * [backup-simplify]: Simplify (* (exp 0) (+ (* (/ (pow 1 2) 2)) (* (/ (pow 0 1) 1)))) into 1/2
2.447 * [backup-simplify]: Simplify (+ 1/2 0) into 1/2
2.447 * [backup-simplify]: Simplify 1/2 into 1/2
2.447 * [backup-simplify]: Simplify (+ (* 1/2 (pow x 2)) (+ (* 1 x) 2)) into (+ x (+ (* 1/2 (pow x 2)) 2))
2.447 * [backup-simplify]: Simplify (+ 1 (exp (/ 1 x))) into (+ (exp (/ 1 x)) 1)
2.447 * [approximate]: Taking taylor expansion of (+ (exp (/ 1 x)) 1) in (x) around 0
2.447 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1) in x
2.447 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
2.448 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.448 * [taylor]: Taking taylor expansion of x in x
2.448 * [backup-simplify]: Simplify 0 into 0
2.448 * [backup-simplify]: Simplify 1 into 1
2.448 * [backup-simplify]: Simplify (/ 1 1) into 1
2.448 * [backup-simplify]: Simplify (exp (/ 1 x)) into (exp (/ 1 x))
2.448 * [taylor]: Taking taylor expansion of 1 in x
2.448 * [backup-simplify]: Simplify 1 into 1
2.448 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1) in x
2.448 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
2.448 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.448 * [taylor]: Taking taylor expansion of x in x
2.448 * [backup-simplify]: Simplify 0 into 0
2.448 * [backup-simplify]: Simplify 1 into 1
2.449 * [backup-simplify]: Simplify (/ 1 1) into 1
2.449 * [backup-simplify]: Simplify (exp (/ 1 x)) into (exp (/ 1 x))
2.449 * [taylor]: Taking taylor expansion of 1 in x
2.449 * [backup-simplify]: Simplify 1 into 1
2.449 * [backup-simplify]: Simplify (+ (exp (/ 1 x)) 1) into (+ (exp (/ 1 x)) 1)
2.449 * [backup-simplify]: Simplify (+ (exp (/ 1 x)) 1) into (+ (exp (/ 1 x)) 1)
2.449 * [backup-simplify]: Simplify (+ 0 0) into 0
2.449 * [backup-simplify]: Simplify 0 into 0
2.450 * [backup-simplify]: Simplify (+ 0 0) into 0
2.450 * [backup-simplify]: Simplify 0 into 0
2.450 * [backup-simplify]: Simplify (+ 0 0) into 0
2.450 * [backup-simplify]: Simplify 0 into 0
2.451 * [backup-simplify]: Simplify (+ 0 0) into 0
2.451 * [backup-simplify]: Simplify 0 into 0
2.451 * [backup-simplify]: Simplify (+ 0 0) into 0
2.451 * [backup-simplify]: Simplify 0 into 0
2.452 * [backup-simplify]: Simplify (+ 0 0) into 0
2.452 * [backup-simplify]: Simplify 0 into 0
2.452 * [backup-simplify]: Simplify (+ (exp (/ 1 (/ 1 x))) 1) into (+ (exp x) 1)
2.452 * [backup-simplify]: Simplify (+ 1 (exp (/ 1 (- x)))) into (+ (exp (/ -1 x)) 1)
2.452 * [approximate]: Taking taylor expansion of (+ (exp (/ -1 x)) 1) in (x) around 0
2.452 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1) in x
2.452 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
2.452 * [taylor]: Taking taylor expansion of (/ -1 x) in x
2.452 * [taylor]: Taking taylor expansion of -1 in x
2.452 * [backup-simplify]: Simplify -1 into -1
2.452 * [taylor]: Taking taylor expansion of x in x
2.452 * [backup-simplify]: Simplify 0 into 0
2.452 * [backup-simplify]: Simplify 1 into 1
2.453 * [backup-simplify]: Simplify (/ -1 1) into -1
2.453 * [backup-simplify]: Simplify (exp (/ -1 x)) into (exp (/ -1 x))
2.453 * [taylor]: Taking taylor expansion of 1 in x
2.453 * [backup-simplify]: Simplify 1 into 1
2.453 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1) in x
2.453 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
2.453 * [taylor]: Taking taylor expansion of (/ -1 x) in x
2.453 * [taylor]: Taking taylor expansion of -1 in x
2.453 * [backup-simplify]: Simplify -1 into -1
2.453 * [taylor]: Taking taylor expansion of x in x
2.453 * [backup-simplify]: Simplify 0 into 0
2.453 * [backup-simplify]: Simplify 1 into 1
2.453 * [backup-simplify]: Simplify (/ -1 1) into -1
2.453 * [backup-simplify]: Simplify (exp (/ -1 x)) into (exp (/ -1 x))
2.454 * [taylor]: Taking taylor expansion of 1 in x
2.454 * [backup-simplify]: Simplify 1 into 1
2.454 * [backup-simplify]: Simplify (+ (exp (/ -1 x)) 1) into (+ (exp (/ -1 x)) 1)
2.454 * [backup-simplify]: Simplify (+ (exp (/ -1 x)) 1) into (+ (exp (/ -1 x)) 1)
2.454 * [backup-simplify]: Simplify (+ 0 0) into 0
2.454 * [backup-simplify]: Simplify 0 into 0
2.455 * [backup-simplify]: Simplify (+ 0 0) into 0
2.455 * [backup-simplify]: Simplify 0 into 0
2.455 * [backup-simplify]: Simplify (+ 0 0) into 0
2.455 * [backup-simplify]: Simplify 0 into 0
2.455 * [backup-simplify]: Simplify (+ 0 0) into 0
2.455 * [backup-simplify]: Simplify 0 into 0
2.456 * [backup-simplify]: Simplify (+ 0 0) into 0
2.456 * [backup-simplify]: Simplify 0 into 0
2.456 * [backup-simplify]: Simplify (+ 0 0) into 0
2.456 * [backup-simplify]: Simplify 0 into 0
2.456 * [backup-simplify]: Simplify (+ (exp (/ -1 (/ 1 (- x)))) 1) into (+ (exp x) 1)
2.457 * * * [progress]: simplifying candidates
2.457 * * * * [progress]: [ 1 / 36 ] simplifiying candidate #<alt (λ (x) (pow (+ 1 (exp x)) 1/2))>
2.457 * * * * [progress]: [ 2 / 36 ] simplifiying candidate #<alt (λ (x) (pow (sqrt (+ 1 (exp x))) 1))>
2.457 * * * * [progress]: [ 3 / 36 ] simplifiying candidate #<alt (λ (x) (exp (log (sqrt (+ 1 (exp x))))))>
2.457 * * * * [progress]: [ 4 / 36 ] simplifiying candidate #<alt (λ (x) (log (exp (sqrt (+ 1 (exp x))))))>
2.457 * * * * [progress]: [ 5 / 36 ] simplifiying candidate #<alt (λ (x) (* (* (cbrt (sqrt (+ 1 (exp x)))) (cbrt (sqrt (+ 1 (exp x))))) (cbrt (sqrt (+ 1 (exp x))))))>
2.457 * * * * [progress]: [ 6 / 36 ] simplifiying candidate #<alt (λ (x) (cbrt (* (* (sqrt (+ 1 (exp x))) (sqrt (+ 1 (exp x)))) (sqrt (+ 1 (exp x))))))>
2.457 * * * * [progress]: [ 7 / 36 ] simplifiying candidate #<alt (λ (x) (* (sqrt (* (cbrt (+ 1 (exp x))) (cbrt (+ 1 (exp x))))) (sqrt (cbrt (+ 1 (exp x))))))>
2.457 * * * * [progress]: [ 8 / 36 ] simplifiying candidate #<alt (λ (x) (* (sqrt (sqrt (+ 1 (exp x)))) (sqrt (sqrt (+ 1 (exp x))))))>
2.457 * * * * [progress]: [ 9 / 36 ] simplifiying candidate #<alt (λ (x) (* (sqrt 1) (sqrt (+ 1 (exp x)))))>
2.457 * * * * [progress]: [ 10 / 36 ] simplifiying candidate #<alt (λ (x) (* (sqrt 1) (sqrt (+ 1 (exp x)))))>
2.457 * * * * [progress]: [ 11 / 36 ] simplifiying candidate #<alt (λ (x) (/ (sqrt (+ (pow 1 3) (pow (exp x) 3))) (sqrt (+ (* 1 1) (- (* (exp x) (exp x)) (* 1 (exp x)))))))>
2.457 * * * * [progress]: [ 12 / 36 ] simplifiying candidate #<alt (λ (x) (/ (sqrt (- (* 1 1) (* (exp x) (exp x)))) (sqrt (- 1 (exp x)))))>
2.457 * * * * [progress]: [ 13 / 36 ] simplifiying candidate #<alt (λ (x) (pow (+ 1 (exp x)) (/ 1 2)))>
2.458 * * * * [progress]: [ 14 / 36 ] simplifiying candidate #<alt (λ (x) (* (sqrt (sqrt (+ 1 (exp x)))) (sqrt (sqrt (+ 1 (exp x))))))>
2.458 * * * * [progress]: [ 15 / 36 ] simplifiying candidate #<alt (λ (x) (fabs (sqrt (+ 1 (exp x)))))>
2.458 * * * * [progress]: [ 16 / 36 ] simplifiying candidate #<alt (λ (x) (* 1 (sqrt (+ 1 (exp x)))))>
2.458 * * * * [progress]: [ 17 / 36 ] simplifiying candidate #<alt (λ (x) (posit16->real (real->posit16 (sqrt (+ 1 (exp x))))))>
2.458 * * * * [progress]: [ 18 / 36 ] simplifiying candidate #<alt (λ (x) (sqrt (log (* (exp 1) (exp (exp x))))))>
2.458 * * * * [progress]: [ 19 / 36 ] simplifiying candidate #<alt (λ (x) (sqrt (pow (+ 1 (exp x)) 1)))>
2.458 * * * * [progress]: [ 20 / 36 ] simplifiying candidate #<alt (λ (x) (sqrt (exp (log (+ 1 (exp x))))))>
2.458 * * * * [progress]: [ 21 / 36 ] simplifiying candidate #<alt (λ (x) (sqrt (log (exp (+ 1 (exp x))))))>
2.458 * * * * [progress]: [ 22 / 36 ] simplifiying candidate #<alt (λ (x) (sqrt (* (* (cbrt (+ 1 (exp x))) (cbrt (+ 1 (exp x)))) (cbrt (+ 1 (exp x))))))>
2.458 * * * * [progress]: [ 23 / 36 ] simplifiying candidate #<alt (λ (x) (sqrt (cbrt (* (* (+ 1 (exp x)) (+ 1 (exp x))) (+ 1 (exp x))))))>
2.458 * * * * [progress]: [ 24 / 36 ] simplifiying candidate #<alt (λ (x) (sqrt (* (sqrt (+ 1 (exp x))) (sqrt (+ 1 (exp x))))))>
2.458 * * * * [progress]: [ 25 / 36 ] simplifiying candidate #<alt (λ (x) (sqrt (/ (+ (pow 1 3) (pow (exp x) 3)) (+ (* 1 1) (- (* (exp x) (exp x)) (* 1 (exp x)))))))>
2.458 * * * * [progress]: [ 26 / 36 ] simplifiying candidate #<alt (λ (x) (sqrt (* 1 (+ 1 (exp x)))))>
2.458 * * * * [progress]: [ 27 / 36 ] simplifiying candidate #<alt (λ (x) (sqrt (/ (- (* 1 1) (* (exp x) (exp x))) (- 1 (exp x)))))>
2.458 * * * * [progress]: [ 28 / 36 ] simplifiying candidate #<alt (λ (x) (sqrt (* 1 (+ 1 (exp x)))))>
2.458 * * * * [progress]: [ 29 / 36 ] simplifiying candidate #<alt (λ (x) (sqrt (posit16->real (real->posit16 (+ 1 (exp x))))))>
2.458 * * * * [progress]: [ 30 / 36 ] simplifiying candidate #<alt (λ (x) (sqrt (+ (exp x) 1)))>
2.458 * * * * [progress]: [ 31 / 36 ] 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)))))>
2.459 * * * * [progress]: [ 32 / 36 ] simplifiying candidate #<alt (λ (x) (sqrt (+ (exp x) 1)))>
2.459 * * * * [progress]: [ 33 / 36 ] simplifiying candidate #<alt (λ (x) (sqrt (+ (exp x) 1)))>
2.459 * * * * [progress]: [ 34 / 36 ] simplifiying candidate #<alt (λ (x) (sqrt (+ x (+ (* 1/2 (pow x 2)) 2))))>
2.459 * * * * [progress]: [ 35 / 36 ] simplifiying candidate #<alt (λ (x) (sqrt (+ (exp x) 1)))>
2.459 * * * * [progress]: [ 36 / 36 ] simplifiying candidate #<alt (λ (x) (sqrt (+ (exp x) 1)))>
2.460 * [simplify]: Simplifying:
  (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))))
  (* (* (sqrt (+ 1 (exp x))) (sqrt (+ 1 (exp x)))) (sqrt (+ 1 (exp x))))
  (sqrt (* (cbrt (+ 1 (exp x))) (cbrt (+ 1 (exp x)))))
  (sqrt (cbrt (+ 1 (exp x))))
  (sqrt (sqrt (+ 1 (exp x))))
  (sqrt (sqrt (+ 1 (exp x))))
  (sqrt 1)
  (sqrt (+ 1 (exp x)))
  (sqrt 1)
  (sqrt (+ 1 (exp x)))
  (sqrt (+ (pow 1 3) (pow (exp x) 3)))
  (sqrt (+ (* 1 1) (- (* (exp x) (exp x)) (* 1 (exp x)))))
  (sqrt (- (* 1 1) (* (exp x) (exp x))))
  (sqrt (- 1 (exp x)))
  (/ 1 2)
  (sqrt (sqrt (+ 1 (exp x))))
  (sqrt (sqrt (+ 1 (exp x))))
  (real->posit16 (sqrt (+ 1 (exp x))))
  (* (exp 1) (exp (exp x)))
  (log (+ 1 (exp x)))
  (exp (+ 1 (exp x)))
  (* (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)))
  (+ (pow 1 3) (pow (exp x) 3))
  (+ (* 1 1) (- (* (exp x) (exp x)) (* 1 (exp x))))
  (- (* 1 1) (* (exp x) (exp x)))
  (- 1 (exp x))
  (+ 1 (exp x))
  (real->posit16 (+ 1 (exp x)))
  (- (+ (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)
2.461 * * [simplify]: iteration 1: (63 enodes)
2.493 * * [simplify]: iteration 2: (139 enodes)
2.562 * * [simplify]: iteration 3: (320 enodes)
2.680 * * [simplify]: iteration 4: (788 enodes)
3.397 * * [simplify]: Extracting #0: cost 29 inf + 0
3.397 * * [simplify]: Extracting #1: cost 105 inf + 2
3.399 * * [simplify]: Extracting #2: cost 380 inf + 275
3.408 * * [simplify]: Extracting #3: cost 375 inf + 22182
3.432 * * [simplify]: Extracting #4: cost 127 inf + 74000
3.466 * * [simplify]: Extracting #5: cost 10 inf + 119621
3.489 * * [simplify]: Extracting #6: cost 0 inf + 121109
3.510 * * [simplify]: Extracting #7: cost 0 inf + 120738
3.532 * [simplify]: Simplified to:
  (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)) (+ (exp x) 1))
  (fabs (cbrt (+ (exp x) 1)))
  (sqrt (cbrt (+ (exp x) 1)))
  (sqrt (sqrt (+ (exp x) 1)))
  (sqrt (sqrt (+ (exp x) 1)))
  1
  (sqrt (+ (exp x) 1))
  1
  (sqrt (+ (exp x) 1))
  (sqrt (+ 1 (exp (* 3 x))))
  (sqrt (- (* (exp x) (exp x)) (+ -1 (exp x))))
  (sqrt (- 1 (* (exp x) (exp x))))
  (sqrt (- 1 (exp x)))
  1/2
  (sqrt (sqrt (+ (exp x) 1)))
  (sqrt (sqrt (+ (exp x) 1)))
  (real->posit16 (sqrt (+ (exp x) 1)))
  (* (exp (exp x)) E)
  (log (+ (exp x) 1))
  (* (exp (exp x)) E)
  (* (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))
  (+ 1 (exp (* 3 x)))
  (- (* (exp x) (exp x)) (+ -1 (exp x)))
  (- 1 (* (exp x) (exp x)))
  (- 1 (exp x))
  (+ (exp x) 1)
  (real->posit16 (+ (exp x) 1))
  (+ (+ (sqrt 2) (* (/ x (sqrt 2)) 1/2)) (* (* (/ x (sqrt 2)) x) 3/16))
  (sqrt (+ (exp x) 1))
  (sqrt (+ (exp x) 1))
  (+ (* x (* x 1/2)) (+ x 2))
  (+ (exp x) 1)
  (+ (exp x) 1)
3.533 * * * [progress]: adding candidates to table
3.698 * [progress]: [Phase 3 of 3] Extracting.
3.700 * [simplify]: Simplifying:
  (sqrt (+ 1 (exp x)))
3.700 * * [simplify]: iteration 1: (5 enodes)
3.700 * * [simplify]: iteration 2: (6 enodes)
3.701 * * [simplify]: Extracting #0: cost 1 inf + 0
3.701 * * [simplify]: Extracting #1: cost 2 inf + 0
3.701 * * [simplify]: Extracting #2: cost 4 inf + 0
3.701 * * [simplify]: Extracting #3: cost 4 inf + 1
3.701 * * [simplify]: Extracting #4: cost 0 inf + 337
3.701 * [simplify]: Simplified to:
  (sqrt (+ 1 (exp x)))
13.945 * [regime-testing]: Baseline error score: 0.06777767956506714
13.950 * [regime-testing]: Oracle error score: 0.06777767956506714
13.950 * [regime-testing]: End program error score: 0.06777767956506714