0.700 * [progress]: [Phase 1 of 3] Setting up.
0.003 * * * [progress]: [1/2] Preparing points
0.342 * * * [progress]: [2/2] Setting up program.
0.350 * [progress]: [Phase 2 of 3] Improving.
0.354 * [simplify]: Simplifying:
  (* (sqrt (- x 1.0)) (sqrt x))
0.356 * * [simplify]: Extracting # 0 : cost  1  inf +  0
0.357 * * [simplify]: Extracting # 1 : cost  3  inf +  0
0.357 * * [simplify]: Extracting # 2 : cost  5  inf +  0
0.358 * * [simplify]: Extracting # 3 : cost  5  inf +  1
0.358 * * [simplify]: Extracting # 4 : cost  0  inf +  329
0.358 * * [simplify]: iteration  0 :  6  enodes  (cost  162 )
0.365 * * [simplify]: Extracting # 0 : cost  0  inf +  329
0.365 * * [simplify]: Extracting # 1 : cost  1  inf +  329
0.365 * * [simplify]: Extracting # 2 : cost  0  inf +  370
0.366 * * [simplify]: iteration  1 :  9  enodes  (cost  162 )
0.369 * * [simplify]: Extracting # 0 : cost  0  inf +  370
0.369 * * [simplify]: iteration  2 :  10  enodes  (cost  162 )
0.372 * * [simplify]: Extracting # 0 : cost  0  inf +  370
0.372 * * [simplify]: iteration done:  10  enodes  (cost  162 )
0.372 * [simplify]: Simplified to:
  (* (sqrt (- x 1.0)) (sqrt x))
0.375 * * [progress]: iteration 1 / 4
0.375 * * * [progress]: picking best candidate
0.382 * * * * [pick]: Picked  #<alt (λ (x) (* (sqrt (- x 1.0)) (sqrt x)))>
0.382 * * * [progress]: localizing error
0.399 * * * [progress]: generating rewritten candidates
0.399 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.442 * * * [progress]: generating series expansions
0.442 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.449 * [backup-simplify]: Simplify (* (sqrt (- x 1.0)) (sqrt x)) into (sqrt (* x (- x 1.0)))
0.449 * [approximate]: Taking taylor expansion of (sqrt (* x (- x 1.0))) in (x) around 0
0.452 * [taylor]: Taking taylor expansion of (sqrt (* x (- x 1.0))) in x
0.452 * [taylor]: Taking taylor expansion of (* x (- x 1.0)) in x
0.452 * [taylor]: Taking taylor expansion of x in x
0.452 * [backup-simplify]: Simplify 0 into 0
0.452 * [backup-simplify]: Simplify 1 into 1
0.452 * [taylor]: Taking taylor expansion of (- x 1.0) in x
0.452 * [taylor]: Taking taylor expansion of x in x
0.452 * [backup-simplify]: Simplify 0 into 0
0.452 * [backup-simplify]: Simplify 1 into 1
0.452 * [taylor]: Taking taylor expansion of 1.0 in x
0.452 * [backup-simplify]: Simplify 1.0 into 1.0
0.453 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
0.455 * [backup-simplify]: Simplify (+ 0 (- 1.0)) into (- 1.0)
0.455 * [backup-simplify]: Simplify (* 0 (- 1.0)) into 0
0.456 * [backup-simplify]: Simplify (- 0) into 0
0.456 * [backup-simplify]: Simplify (+ 1 0) into 1
0.458 * [backup-simplify]: Simplify (+ (* 0 1) (* 1 (- 1.0))) into (- 1.0)
0.458 * [backup-simplify]: Simplify (sqrt 0) into 0
0.460 * [backup-simplify]: Simplify (/ (- 1.0) (* 2 (sqrt 0))) into +nan.0
0.460 * [taylor]: Taking taylor expansion of (sqrt (* x (- x 1.0))) in x
0.461 * [taylor]: Taking taylor expansion of (* x (- x 1.0)) in x
0.461 * [taylor]: Taking taylor expansion of x in x
0.461 * [backup-simplify]: Simplify 0 into 0
0.461 * [backup-simplify]: Simplify 1 into 1
0.461 * [taylor]: Taking taylor expansion of (- x 1.0) in x
0.461 * [taylor]: Taking taylor expansion of x in x
0.461 * [backup-simplify]: Simplify 0 into 0
0.461 * [backup-simplify]: Simplify 1 into 1
0.461 * [taylor]: Taking taylor expansion of 1.0 in x
0.461 * [backup-simplify]: Simplify 1.0 into 1.0
0.461 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
0.462 * [backup-simplify]: Simplify (+ 0 (- 1.0)) into (- 1.0)
0.462 * [backup-simplify]: Simplify (* 0 (- 1.0)) into 0
0.463 * [backup-simplify]: Simplify (- 0) into 0
0.463 * [backup-simplify]: Simplify (+ 1 0) into 1
0.465 * [backup-simplify]: Simplify (+ (* 0 1) (* 1 (- 1.0))) into (- 1.0)
0.465 * [backup-simplify]: Simplify (sqrt 0) into 0
0.467 * [backup-simplify]: Simplify (/ (- 1.0) (* 2 (sqrt 0))) into +nan.0
0.468 * [backup-simplify]: Simplify 0 into 0
0.468 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.469 * [backup-simplify]: Simplify (- 0) into 0
0.469 * [backup-simplify]: Simplify (+ 0 0) into 0
0.470 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 1) (* 0 (- 1.0)))) into 1
0.474 * [backup-simplify]: Simplify (/ (- 1 (pow +nan.0 2) (+)) (* 2 0)) into +nan.0
0.475 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.475 * [backup-simplify]: Simplify (- 0) into 0
0.475 * [backup-simplify]: Simplify (+ 0 0) into 0
0.477 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 1) (* 0 (- 1.0))))) into 0
0.480 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* +nan.0 +nan.0)))) (* 2 0)) into +nan.0
0.480 * [backup-simplify]: Simplify +nan.0 into +nan.0
0.482 * [backup-simplify]: Simplify (+ (* +nan.0 (pow x 3)) (+ (* +nan.0 (pow x 2)) (* +nan.0 x))) into (- (+ (* +nan.0 x) (- (+ (* +nan.0 (pow x 3)) (- (* +nan.0 (pow x 2)))))))
0.483 * [backup-simplify]: Simplify (* (sqrt (- (/ 1 x) 1.0)) (sqrt (/ 1 x))) into (sqrt (/ (- (/ 1 x) 1.0) x))
0.483 * [approximate]: Taking taylor expansion of (sqrt (/ (- (/ 1 x) 1.0) x)) in (x) around 0
0.483 * [taylor]: Taking taylor expansion of (sqrt (/ (- (/ 1 x) 1.0) x)) in x
0.483 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) 1.0) x) in x
0.483 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1.0) in x
0.483 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.483 * [taylor]: Taking taylor expansion of x in x
0.483 * [backup-simplify]: Simplify 0 into 0
0.483 * [backup-simplify]: Simplify 1 into 1
0.483 * [backup-simplify]: Simplify (/ 1 1) into 1
0.483 * [taylor]: Taking taylor expansion of 1.0 in x
0.483 * [backup-simplify]: Simplify 1.0 into 1.0
0.484 * [taylor]: Taking taylor expansion of x in x
0.484 * [backup-simplify]: Simplify 0 into 0
0.484 * [backup-simplify]: Simplify 1 into 1
0.484 * [backup-simplify]: Simplify (+ 1 0) into 1
0.485 * [backup-simplify]: Simplify (/ 1 1) into 1
0.485 * [backup-simplify]: Simplify (sqrt 1) into 1
0.486 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.486 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
0.487 * [backup-simplify]: Simplify (+ 0 (- 1.0)) into (- 1.0)
0.490 * [backup-simplify]: Simplify (- (/ (- 1.0) 1) (+ (* 1 (/ 0 1)))) into (- 1.0)
0.491 * [backup-simplify]: Simplify (/ (- 1.0) (* 2 (sqrt 1))) into -0.5
0.491 * [taylor]: Taking taylor expansion of (sqrt (/ (- (/ 1 x) 1.0) x)) in x
0.491 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) 1.0) x) in x
0.491 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1.0) in x
0.491 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.491 * [taylor]: Taking taylor expansion of x in x
0.491 * [backup-simplify]: Simplify 0 into 0
0.491 * [backup-simplify]: Simplify 1 into 1
0.492 * [backup-simplify]: Simplify (/ 1 1) into 1
0.492 * [taylor]: Taking taylor expansion of 1.0 in x
0.492 * [backup-simplify]: Simplify 1.0 into 1.0
0.492 * [taylor]: Taking taylor expansion of x in x
0.492 * [backup-simplify]: Simplify 0 into 0
0.492 * [backup-simplify]: Simplify 1 into 1
0.492 * [backup-simplify]: Simplify (+ 1 0) into 1
0.493 * [backup-simplify]: Simplify (/ 1 1) into 1
0.493 * [backup-simplify]: Simplify (sqrt 1) into 1
0.494 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.494 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
0.495 * [backup-simplify]: Simplify (+ 0 (- 1.0)) into (- 1.0)
0.497 * [backup-simplify]: Simplify (- (/ (- 1.0) 1) (+ (* 1 (/ 0 1)))) into (- 1.0)
0.499 * [backup-simplify]: Simplify (/ (- 1.0) (* 2 (sqrt 1))) into -0.5
0.499 * [backup-simplify]: Simplify 1 into 1
0.499 * [backup-simplify]: Simplify -0.5 into -0.5
0.500 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.500 * [backup-simplify]: Simplify (- 0) into 0
0.500 * [backup-simplify]: Simplify (+ 0 0) into 0
0.501 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1 (/ 0 1)) (* (- 1.0) (/ 0 1)))) into 0
0.504 * [backup-simplify]: Simplify (/ (- 0 (pow -0.5 2) (+)) (* 2 1)) into -0.125
0.504 * [backup-simplify]: Simplify -0.125 into -0.125
0.505 * [backup-simplify]: Simplify (+ (* -0.125 (/ 1 x)) (+ -0.5 (* 1 (/ 1 (/ 1 x))))) into (- x (+ (* 0.125 (/ 1 x)) 0.5))
0.505 * [backup-simplify]: Simplify (* (sqrt (- (/ 1 (- x)) 1.0)) (sqrt (/ 1 (- x)))) into (* (sqrt (- (+ (/ 1 x) 1.0))) (sqrt (/ -1 x)))
0.505 * [approximate]: Taking taylor expansion of (* (sqrt (- (+ (/ 1 x) 1.0))) (sqrt (/ -1 x))) in (x) around 0
0.505 * [taylor]: Taking taylor expansion of (* (sqrt (- (+ (/ 1 x) 1.0))) (sqrt (/ -1 x))) in x
0.505 * [taylor]: Taking taylor expansion of (sqrt (- (+ (/ 1 x) 1.0))) in x
0.505 * [taylor]: Taking taylor expansion of (- (+ (/ 1 x) 1.0)) in x
0.505 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.505 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.505 * [taylor]: Taking taylor expansion of x in x
0.505 * [backup-simplify]: Simplify 0 into 0
0.505 * [backup-simplify]: Simplify 1 into 1
0.505 * [backup-simplify]: Simplify (/ 1 1) into 1
0.506 * [taylor]: Taking taylor expansion of 1.0 in x
0.506 * [backup-simplify]: Simplify 1.0 into 1.0
0.506 * [backup-simplify]: Simplify (+ 1 0) into 1
0.506 * [backup-simplify]: Simplify (- 1) into -1
0.507 * [backup-simplify]: Simplify (sqrt 0) into 0
0.507 * [backup-simplify]: Simplify (- 1) into -1
0.508 * [backup-simplify]: Simplify (/ -1 (* 2 (sqrt 0))) into +nan.0
0.508 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in x
0.508 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.508 * [taylor]: Taking taylor expansion of -1 in x
0.508 * [backup-simplify]: Simplify -1 into -1
0.508 * [taylor]: Taking taylor expansion of x in x
0.508 * [backup-simplify]: Simplify 0 into 0
0.508 * [backup-simplify]: Simplify 1 into 1
0.509 * [backup-simplify]: Simplify (/ -1 1) into -1
0.509 * [backup-simplify]: Simplify (sqrt 0) into 0
0.510 * [backup-simplify]: Simplify (/ -1 (* 2 (sqrt 0))) into +nan.0
0.510 * [taylor]: Taking taylor expansion of (* (sqrt (- (+ (/ 1 x) 1.0))) (sqrt (/ -1 x))) in x
0.510 * [taylor]: Taking taylor expansion of (sqrt (- (+ (/ 1 x) 1.0))) in x
0.510 * [taylor]: Taking taylor expansion of (- (+ (/ 1 x) 1.0)) in x
0.510 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.510 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.511 * [taylor]: Taking taylor expansion of x in x
0.511 * [backup-simplify]: Simplify 0 into 0
0.511 * [backup-simplify]: Simplify 1 into 1
0.511 * [backup-simplify]: Simplify (/ 1 1) into 1
0.511 * [taylor]: Taking taylor expansion of 1.0 in x
0.511 * [backup-simplify]: Simplify 1.0 into 1.0
0.511 * [backup-simplify]: Simplify (+ 1 0) into 1
0.512 * [backup-simplify]: Simplify (- 1) into -1
0.512 * [backup-simplify]: Simplify (sqrt 0) into 0
0.512 * [backup-simplify]: Simplify (- 1) into -1
0.514 * [backup-simplify]: Simplify (/ -1 (* 2 (sqrt 0))) into +nan.0
0.514 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in x
0.514 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.514 * [taylor]: Taking taylor expansion of -1 in x
0.514 * [backup-simplify]: Simplify -1 into -1
0.514 * [taylor]: Taking taylor expansion of x in x
0.514 * [backup-simplify]: Simplify 0 into 0
0.514 * [backup-simplify]: Simplify 1 into 1
0.514 * [backup-simplify]: Simplify (/ -1 1) into -1
0.515 * [backup-simplify]: Simplify (sqrt 0) into 0
0.516 * [backup-simplify]: Simplify (/ -1 (* 2 (sqrt 0))) into +nan.0
0.516 * [backup-simplify]: Simplify (* 0 0) into 0
0.516 * [backup-simplify]: Simplify 0 into 0
0.517 * [backup-simplify]: Simplify (+ (* 0 +nan.0) (* +nan.0 0)) into 0
0.517 * [backup-simplify]: Simplify 0 into 0
0.518 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -1 (/ 0 1)))) into 0
0.520 * [backup-simplify]: Simplify (/ (- 0 (pow +nan.0 2) (+)) (* 2 0)) into +nan.0
0.521 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.522 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
0.522 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
0.525 * [backup-simplify]: Simplify (/ (- (- 1.0) (pow +nan.0 2) (+)) (* 2 0)) into +nan.0
0.528 * [backup-simplify]: Simplify (+ (* 0 +nan.0) (+ (* +nan.0 +nan.0) (* +nan.0 0))) into (- +nan.0)
0.528 * [backup-simplify]: Simplify (- +nan.0) into (- +nan.0)
0.529 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.533 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* +nan.0 +nan.0)))) (* 2 0)) into +nan.0
0.534 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.534 * [backup-simplify]: Simplify (+ 0 0) into 0
0.534 * [backup-simplify]: Simplify (- 0) into 0
0.538 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* +nan.0 +nan.0)))) (* 2 0)) into +nan.0
0.541 * [backup-simplify]: Simplify (+ (* 0 +nan.0) (+ (* +nan.0 +nan.0) (+ (* +nan.0 +nan.0) (* +nan.0 0)))) into (- +nan.0)
0.542 * [backup-simplify]: Simplify (- +nan.0) into (- +nan.0)
0.543 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.547 * [backup-simplify]: Simplify (/ (- 0 (pow +nan.0 2) (+ (* 2 (* +nan.0 +nan.0)))) (* 2 0)) into +nan.0
0.548 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.548 * [backup-simplify]: Simplify (+ 0 0) into 0
0.549 * [backup-simplify]: Simplify (- 0) into 0
0.553 * [backup-simplify]: Simplify (/ (- 0 (pow +nan.0 2) (+ (* 2 (* +nan.0 +nan.0)))) (* 2 0)) into +nan.0
0.558 * [backup-simplify]: Simplify (+ (* 0 +nan.0) (+ (* +nan.0 +nan.0) (+ (* +nan.0 +nan.0) (+ (* +nan.0 +nan.0) (* +nan.0 0))))) into (- +nan.0)
0.558 * [backup-simplify]: Simplify (- +nan.0) into (- +nan.0)
0.560 * [backup-simplify]: Simplify (+ (* (- +nan.0) (pow (/ 1 (- x)) 2)) (+ (* (- +nan.0) (/ 1 (- x))) (- +nan.0))) into (- (+ (* +nan.0 (/ 1 (pow x 2))) (- (+ (* +nan.0 (/ 1 x)) (- +nan.0)))))
0.560 * * * [progress]: simplifying candidates
0.561 * [simplify]: Simplifying:
  (expm1 (* (sqrt (- x 1.0)) (sqrt x)))
  (log1p (* (sqrt (- x 1.0)) (sqrt x)))
  (* (- x 1.0) x)
  (* (sqrt (- x 1.0)) (sqrt x))
  (* (- x 1.0) x)
  (+ (log (sqrt (- x 1.0))) (log (sqrt x)))
  (log (* (sqrt (- x 1.0)) (sqrt x)))
  (exp (* (sqrt (- x 1.0)) (sqrt x)))
  (* (* (* (sqrt (- x 1.0)) (sqrt (- x 1.0))) (sqrt (- x 1.0))) (* (* (sqrt x) (sqrt x)) (sqrt x)))
  (* (cbrt (* (sqrt (- x 1.0)) (sqrt x))) (cbrt (* (sqrt (- x 1.0)) (sqrt x))))
  (cbrt (* (sqrt (- x 1.0)) (sqrt x)))
  (* (* (* (sqrt (- x 1.0)) (sqrt x)) (* (sqrt (- x 1.0)) (sqrt x))) (* (sqrt (- x 1.0)) (sqrt x)))
  (* (- x 1.0) x)
  (sqrt (* (sqrt (- x 1.0)) (sqrt x)))
  (sqrt (* (sqrt (- x 1.0)) (sqrt x)))
  (* (sqrt (sqrt (- x 1.0))) (sqrt (sqrt x)))
  (* (sqrt (sqrt (- x 1.0))) (sqrt (sqrt x)))
  (* (sqrt (sqrt (- x 1.0))) (sqrt (sqrt x)))
  (* (sqrt (sqrt (- x 1.0))) (sqrt (sqrt x)))
  (* (sqrt (sqrt (- x 1.0))) (sqrt (sqrt x)))
  (* (sqrt (sqrt (- x 1.0))) (sqrt (sqrt x)))
  (* (sqrt (sqrt (- x 1.0))) (sqrt (sqrt x)))
  (* (sqrt (sqrt (- x 1.0))) (sqrt (sqrt x)))
  (* (sqrt (- x 1.0)) (* (cbrt (sqrt x)) (cbrt (sqrt x))))
  (* (sqrt (- x 1.0)) (sqrt (* (cbrt x) (cbrt x))))
  (* (sqrt (- x 1.0)) (sqrt (sqrt x)))
  (* (sqrt (- x 1.0)) (sqrt 1))
  (* (sqrt (- x 1.0)) (sqrt (sqrt x)))
  (* (sqrt (- x 1.0)) 1)
  (* (cbrt (sqrt (- x 1.0))) (sqrt x))
  (* (sqrt (cbrt (- x 1.0))) (sqrt x))
  (* (sqrt (sqrt (- x 1.0))) (sqrt x))
  (* (sqrt (- x 1.0)) (sqrt x))
  (* (sqrt (- (sqrt x) (sqrt 1.0))) (sqrt x))
  (* (sqrt (- x 1.0)) (sqrt x))
  (* (sqrt (sqrt (- x 1.0))) (sqrt x))
  (* (sqrt (- x 1.0)) (sqrt x))
  (* (sqrt (- (pow x 3) (pow 1.0 3))) (sqrt x))
  (* (sqrt (- (* x x) (* 1.0 1.0))) (sqrt x))
  (- (+ (* +nan.0 x) (- (+ (* +nan.0 (pow x 3)) (- (* +nan.0 (pow x 2)))))))
  (- x (+ (* 0.125 (/ 1 x)) 0.5))
  (- (+ (* +nan.0 (/ 1 (pow x 2))) (- (+ (* +nan.0 (/ 1 x)) (- +nan.0)))))
0.563 * * [simplify]: Extracting # 0 : cost  27  inf +  0
0.563 * * [simplify]: Extracting # 1 : cost  50  inf +  0
0.563 * * [simplify]: Extracting # 2 : cost  63  inf +  2
0.563 * * [simplify]: Extracting # 3 : cost  69  inf +  248
0.564 * * [simplify]: Extracting # 4 : cost  42  inf +  4401
0.565 * * [simplify]: Extracting # 5 : cost  21  inf +  8634
0.567 * * [simplify]: Extracting # 6 : cost  13  inf +  10443
0.570 * * [simplify]: Extracting # 7 : cost  5  inf +  13869
0.573 * * [simplify]: Extracting # 8 : cost  0  inf +  16598
0.575 * * [simplify]: iteration  0 :  85  enodes  (cost  10223 )
0.618 * * [simplify]: Extracting # 0 : cost  0  inf +  16598
0.622 * * [simplify]: Extracting # 1 : cost  33  inf +  13696
0.626 * * [simplify]: Extracting # 2 : cost  4  inf +  16847
0.630 * * [simplify]: Extracting # 3 : cost  2  inf +  15944
0.634 * * [simplify]: Extracting # 4 : cost  0  inf +  15936
0.638 * * [simplify]: iteration  1 :  198  enodes  (cost  8952 )
0.772 * * [simplify]: Extracting # 0 : cost  0  inf +  15936
0.779 * * [simplify]: Extracting # 1 : cost  156  inf +  13562
0.789 * * [simplify]: Extracting # 2 : cost  5  inf +  29364
0.800 * * [simplify]: Extracting # 3 : cost  1  inf +  29982
0.811 * * [simplify]: Extracting # 4 : cost  0  inf +  30194
0.822 * * [simplify]: iteration  2 :  699  enodes  (cost  8815 )
1.748 * * [simplify]: Extracting # 0 : cost  0  inf +  30194
1.775 * * [simplify]: Extracting # 1 : cost  1151  inf +  22574
1.819 * * [simplify]: Extracting # 2 : cost  18  inf +  164298
1.848 * * [simplify]: Extracting # 3 : cost  6  inf +  166096
1.887 * * [simplify]: Extracting # 4 : cost  0  inf +  168374
1.930 * * [simplify]: iteration  3 :  3995  enodes  (cost  8735 )
3.047 * * [simplify]: Extracting # 0 : cost  0  inf +  168374
3.122 * * [simplify]: Extracting # 1 : cost  0  inf +  167382
3.175 * * [simplify]: Extracting # 2 : cost  0  inf +  167357
3.216 * * [simplify]: iteration done:  5000  enodes  (cost  8661 )
3.217 * [simplify]: Simplified to:
  (expm1 (* (sqrt (- x 1.0)) (sqrt x)))
  (log1p (* (sqrt (- x 1.0)) (sqrt x)))
  (* x (- x 1.0))
  (* (sqrt (- x 1.0)) (sqrt x))
  (* x (- x 1.0))
  (log (* (sqrt (- x 1.0)) (sqrt x)))
  (log (* (sqrt (- x 1.0)) (sqrt x)))
  (exp (* (sqrt (- x 1.0)) (sqrt x)))
  (* (* (* (sqrt (- x 1.0)) (sqrt x)) (* (sqrt (- x 1.0)) (sqrt x))) (* (sqrt (- x 1.0)) (sqrt x)))
  (* (cbrt (* (sqrt (- x 1.0)) (sqrt x))) (cbrt (* (sqrt (- x 1.0)) (sqrt x))))
  (cbrt (* (sqrt (- x 1.0)) (sqrt x)))
  (* (* (* (sqrt (- x 1.0)) (sqrt x)) (* (sqrt (- x 1.0)) (sqrt x))) (* (sqrt (- x 1.0)) (sqrt x)))
  (* x (- x 1.0))
  (sqrt (* (sqrt (- x 1.0)) (sqrt x)))
  (sqrt (* (sqrt (- x 1.0)) (sqrt x)))
  (* (sqrt (sqrt (- x 1.0))) (sqrt (sqrt x)))
  (* (sqrt (sqrt (- x 1.0))) (sqrt (sqrt x)))
  (* (sqrt (sqrt (- x 1.0))) (sqrt (sqrt x)))
  (* (sqrt (sqrt (- x 1.0))) (sqrt (sqrt x)))
  (* (sqrt (sqrt (- x 1.0))) (sqrt (sqrt x)))
  (* (sqrt (sqrt (- x 1.0))) (sqrt (sqrt x)))
  (* (sqrt (sqrt (- x 1.0))) (sqrt (sqrt x)))
  (* (sqrt (sqrt (- x 1.0))) (sqrt (sqrt x)))
  (* (sqrt (- x 1.0)) (* (cbrt (sqrt x)) (cbrt (sqrt x))))
  (* (fabs (cbrt x)) (sqrt (- x 1.0)))
  (* (sqrt (- x 1.0)) (sqrt (sqrt x)))
  (sqrt (- x 1.0))
  (* (sqrt (- x 1.0)) (sqrt (sqrt x)))
  (sqrt (- x 1.0))
  (* (cbrt (sqrt (- x 1.0))) (sqrt x))
  (* (sqrt (cbrt (- x 1.0))) (sqrt x))
  (* (sqrt (sqrt (- x 1.0))) (sqrt x))
  (* (sqrt (- x 1.0)) (sqrt x))
  (* (sqrt (- (sqrt x) (sqrt 1.0))) (sqrt x))
  (* (sqrt (- x 1.0)) (sqrt x))
  (* (sqrt (sqrt (- x 1.0))) (sqrt x))
  (* (sqrt (- x 1.0)) (sqrt x))
  (* (sqrt x) (sqrt (- (* (* x x) x) (* (* 1.0 1.0) 1.0))))
  (* (sqrt (- (* x x) (* 1.0 1.0))) (sqrt x))
  (* +nan.0 (fma x (fma x x (- x)) (- x)))
  (- x (+ 0.5 (/ 0.125 x)))
  (- (fma (/ +nan.0 x) (/ -1 x) (/ +nan.0 x)) +nan.0)
3.218 * * * [progress]: adding candidates to table
3.389 * * [progress]: iteration 2 / 4
3.389 * * * [progress]: picking best candidate
3.394 * * * * [pick]: Picked  #<alt (λ (x) (- x (+ 0.5 (/ 0.125 x))))>
3.394 * * * [progress]: localizing error
3.400 * * * [progress]: generating rewritten candidates
3.400 * * * [progress]: generating series expansions
3.400 * * * [progress]: simplifying candidates
3.400 * [simplify]: Simplifying:
  
3.400 * * [simplify]: Extracting # 0 : cost  0  inf +  0
3.400 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
3.400 * * [simplify]: Extracting # 0 : cost  0  inf +  0
3.400 * * [simplify]: iteration done:  0  enodes  (cost  0 )
3.400 * [simplify]: Simplified to:
  
3.400 * * * [progress]: adding candidates to table
3.401 * * [progress]: iteration 3 / 4
3.401 * * * [progress]: picking best candidate
3.404 * * * * [pick]: Picked  #<alt (λ (x) (sqrt (* (- x 1.0) x)))>
3.404 * * * [progress]: localizing error
3.415 * * * [progress]: generating rewritten candidates
3.415 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
3.424 * * * [progress]: generating series expansions
3.424 * * * * [progress]: [ 1 / 1 ] generating series at (2)
3.424 * [backup-simplify]: Simplify (sqrt (* (- x 1.0) x)) into (sqrt (* x (- x 1.0)))
3.424 * [approximate]: Taking taylor expansion of (sqrt (* x (- x 1.0))) in (x) around 0
3.424 * [taylor]: Taking taylor expansion of (sqrt (* x (- x 1.0))) in x
3.424 * [taylor]: Taking taylor expansion of (* x (- x 1.0)) in x
3.424 * [taylor]: Taking taylor expansion of x in x
3.424 * [backup-simplify]: Simplify 0 into 0
3.424 * [backup-simplify]: Simplify 1 into 1
3.424 * [taylor]: Taking taylor expansion of (- x 1.0) in x
3.424 * [taylor]: Taking taylor expansion of x in x
3.424 * [backup-simplify]: Simplify 0 into 0
3.424 * [backup-simplify]: Simplify 1 into 1
3.424 * [taylor]: Taking taylor expansion of 1.0 in x
3.424 * [backup-simplify]: Simplify 1.0 into 1.0
3.425 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
3.426 * [backup-simplify]: Simplify (+ 0 (- 1.0)) into (- 1.0)
3.426 * [backup-simplify]: Simplify (* 0 (- 1.0)) into 0
3.426 * [backup-simplify]: Simplify (- 0) into 0
3.427 * [backup-simplify]: Simplify (+ 1 0) into 1
3.428 * [backup-simplify]: Simplify (+ (* 0 1) (* 1 (- 1.0))) into (- 1.0)
3.428 * [backup-simplify]: Simplify (sqrt 0) into 0
3.429 * [backup-simplify]: Simplify (/ (- 1.0) (* 2 (sqrt 0))) into +nan.0
3.429 * [taylor]: Taking taylor expansion of (sqrt (* x (- x 1.0))) in x
3.429 * [taylor]: Taking taylor expansion of (* x (- x 1.0)) in x
3.429 * [taylor]: Taking taylor expansion of x in x
3.429 * [backup-simplify]: Simplify 0 into 0
3.429 * [backup-simplify]: Simplify 1 into 1
3.429 * [taylor]: Taking taylor expansion of (- x 1.0) in x
3.429 * [taylor]: Taking taylor expansion of x in x
3.429 * [backup-simplify]: Simplify 0 into 0
3.429 * [backup-simplify]: Simplify 1 into 1
3.429 * [taylor]: Taking taylor expansion of 1.0 in x
3.430 * [backup-simplify]: Simplify 1.0 into 1.0
3.430 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
3.430 * [backup-simplify]: Simplify (+ 0 (- 1.0)) into (- 1.0)
3.431 * [backup-simplify]: Simplify (* 0 (- 1.0)) into 0
3.431 * [backup-simplify]: Simplify (- 0) into 0
3.431 * [backup-simplify]: Simplify (+ 1 0) into 1
3.432 * [backup-simplify]: Simplify (+ (* 0 1) (* 1 (- 1.0))) into (- 1.0)
3.433 * [backup-simplify]: Simplify (sqrt 0) into 0
3.434 * [backup-simplify]: Simplify (/ (- 1.0) (* 2 (sqrt 0))) into +nan.0
3.434 * [backup-simplify]: Simplify 0 into 0
3.434 * [backup-simplify]: Simplify +nan.0 into +nan.0
3.434 * [backup-simplify]: Simplify (- 0) into 0
3.434 * [backup-simplify]: Simplify (+ 0 0) into 0
3.435 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 1) (* 0 (- 1.0)))) into 1
3.437 * [backup-simplify]: Simplify (/ (- 1 (pow +nan.0 2) (+)) (* 2 0)) into +nan.0
3.437 * [backup-simplify]: Simplify +nan.0 into +nan.0
3.437 * [backup-simplify]: Simplify (- 0) into 0
3.437 * [backup-simplify]: Simplify (+ 0 0) into 0
3.438 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 1) (* 0 (- 1.0))))) into 0
3.444 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* +nan.0 +nan.0)))) (* 2 0)) into +nan.0
3.444 * [backup-simplify]: Simplify +nan.0 into +nan.0
3.444 * [backup-simplify]: Simplify (+ (* +nan.0 (pow x 3)) (+ (* +nan.0 (pow x 2)) (* +nan.0 x))) into (- (+ (* +nan.0 x) (- (+ (* +nan.0 (pow x 3)) (- (* +nan.0 (pow x 2)))))))
3.444 * [backup-simplify]: Simplify (sqrt (* (- (/ 1 x) 1.0) (/ 1 x))) into (sqrt (/ (- (/ 1 x) 1.0) x))
3.444 * [approximate]: Taking taylor expansion of (sqrt (/ (- (/ 1 x) 1.0) x)) in (x) around 0
3.444 * [taylor]: Taking taylor expansion of (sqrt (/ (- (/ 1 x) 1.0) x)) in x
3.444 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) 1.0) x) in x
3.444 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1.0) in x
3.444 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.444 * [taylor]: Taking taylor expansion of x in x
3.444 * [backup-simplify]: Simplify 0 into 0
3.444 * [backup-simplify]: Simplify 1 into 1
3.445 * [backup-simplify]: Simplify (/ 1 1) into 1
3.445 * [taylor]: Taking taylor expansion of 1.0 in x
3.445 * [backup-simplify]: Simplify 1.0 into 1.0
3.445 * [taylor]: Taking taylor expansion of x in x
3.445 * [backup-simplify]: Simplify 0 into 0
3.445 * [backup-simplify]: Simplify 1 into 1
3.445 * [backup-simplify]: Simplify (+ 1 0) into 1
3.445 * [backup-simplify]: Simplify (/ 1 1) into 1
3.446 * [backup-simplify]: Simplify (sqrt 1) into 1
3.446 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.446 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
3.447 * [backup-simplify]: Simplify (+ 0 (- 1.0)) into (- 1.0)
3.449 * [backup-simplify]: Simplify (- (/ (- 1.0) 1) (+ (* 1 (/ 0 1)))) into (- 1.0)
3.451 * [backup-simplify]: Simplify (/ (- 1.0) (* 2 (sqrt 1))) into -0.5
3.451 * [taylor]: Taking taylor expansion of (sqrt (/ (- (/ 1 x) 1.0) x)) in x
3.451 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) 1.0) x) in x
3.451 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1.0) in x
3.451 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.451 * [taylor]: Taking taylor expansion of x in x
3.451 * [backup-simplify]: Simplify 0 into 0
3.451 * [backup-simplify]: Simplify 1 into 1
3.451 * [backup-simplify]: Simplify (/ 1 1) into 1
3.452 * [taylor]: Taking taylor expansion of 1.0 in x
3.452 * [backup-simplify]: Simplify 1.0 into 1.0
3.452 * [taylor]: Taking taylor expansion of x in x
3.452 * [backup-simplify]: Simplify 0 into 0
3.452 * [backup-simplify]: Simplify 1 into 1
3.452 * [backup-simplify]: Simplify (+ 1 0) into 1
3.452 * [backup-simplify]: Simplify (/ 1 1) into 1
3.453 * [backup-simplify]: Simplify (sqrt 1) into 1
3.454 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.454 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
3.455 * [backup-simplify]: Simplify (+ 0 (- 1.0)) into (- 1.0)
3.457 * [backup-simplify]: Simplify (- (/ (- 1.0) 1) (+ (* 1 (/ 0 1)))) into (- 1.0)
3.459 * [backup-simplify]: Simplify (/ (- 1.0) (* 2 (sqrt 1))) into -0.5
3.459 * [backup-simplify]: Simplify 1 into 1
3.459 * [backup-simplify]: Simplify -0.5 into -0.5
3.460 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.461 * [backup-simplify]: Simplify (- 0) into 0
3.461 * [backup-simplify]: Simplify (+ 0 0) into 0
3.462 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1 (/ 0 1)) (* (- 1.0) (/ 0 1)))) into 0
3.465 * [backup-simplify]: Simplify (/ (- 0 (pow -0.5 2) (+)) (* 2 1)) into -0.125
3.465 * [backup-simplify]: Simplify -0.125 into -0.125
3.465 * [backup-simplify]: Simplify (+ (* -0.125 (/ 1 x)) (+ -0.5 (* 1 (/ 1 (/ 1 x))))) into (- x (+ (* 0.125 (/ 1 x)) 0.5))
3.466 * [backup-simplify]: Simplify (sqrt (* (- (/ 1 (- x)) 1.0) (/ 1 (- x)))) into (sqrt (/ (+ (/ 1 x) 1.0) x))
3.466 * [approximate]: Taking taylor expansion of (sqrt (/ (+ (/ 1 x) 1.0) x)) in (x) around 0
3.466 * [taylor]: Taking taylor expansion of (sqrt (/ (+ (/ 1 x) 1.0) x)) in x
3.466 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 x) 1.0) x) in x
3.466 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
3.466 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.466 * [taylor]: Taking taylor expansion of x in x
3.466 * [backup-simplify]: Simplify 0 into 0
3.466 * [backup-simplify]: Simplify 1 into 1
3.466 * [backup-simplify]: Simplify (/ 1 1) into 1
3.466 * [taylor]: Taking taylor expansion of 1.0 in x
3.466 * [backup-simplify]: Simplify 1.0 into 1.0
3.466 * [taylor]: Taking taylor expansion of x in x
3.466 * [backup-simplify]: Simplify 0 into 0
3.466 * [backup-simplify]: Simplify 1 into 1
3.467 * [backup-simplify]: Simplify (+ 1 0) into 1
3.467 * [backup-simplify]: Simplify (/ 1 1) into 1
3.467 * [backup-simplify]: Simplify (sqrt 1) into 1
3.469 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.469 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
3.471 * [backup-simplify]: Simplify (- (/ 1.0 1) (+ (* 1 (/ 0 1)))) into 1.0
3.472 * [backup-simplify]: Simplify (/ 1.0 (* 2 (sqrt 1))) into 0.5
3.472 * [taylor]: Taking taylor expansion of (sqrt (/ (+ (/ 1 x) 1.0) x)) in x
3.472 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 x) 1.0) x) in x
3.472 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
3.472 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.472 * [taylor]: Taking taylor expansion of x in x
3.472 * [backup-simplify]: Simplify 0 into 0
3.472 * [backup-simplify]: Simplify 1 into 1
3.473 * [backup-simplify]: Simplify (/ 1 1) into 1
3.473 * [taylor]: Taking taylor expansion of 1.0 in x
3.473 * [backup-simplify]: Simplify 1.0 into 1.0
3.473 * [taylor]: Taking taylor expansion of x in x
3.473 * [backup-simplify]: Simplify 0 into 0
3.473 * [backup-simplify]: Simplify 1 into 1
3.473 * [backup-simplify]: Simplify (+ 1 0) into 1
3.474 * [backup-simplify]: Simplify (/ 1 1) into 1
3.474 * [backup-simplify]: Simplify (sqrt 1) into 1
3.475 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.475 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
3.477 * [backup-simplify]: Simplify (- (/ 1.0 1) (+ (* 1 (/ 0 1)))) into 1.0
3.478 * [backup-simplify]: Simplify (/ 1.0 (* 2 (sqrt 1))) into 0.5
3.479 * [backup-simplify]: Simplify 1 into 1
3.479 * [backup-simplify]: Simplify 0.5 into 0.5
3.480 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.480 * [backup-simplify]: Simplify (+ 0 0) into 0
3.481 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1 (/ 0 1)) (* 1.0 (/ 0 1)))) into 0
3.484 * [backup-simplify]: Simplify (/ (- 0 (pow 0.5 2) (+)) (* 2 1)) into -0.125
3.484 * [backup-simplify]: Simplify -0.125 into -0.125
3.484 * [backup-simplify]: Simplify (+ (* -0.125 (/ 1 (- x))) (+ 0.5 (* 1 (/ 1 (/ 1 (- x)))))) into (- (+ (* 0.125 (/ 1 x)) 0.5) x)
3.485 * * * [progress]: simplifying candidates
3.485 * [simplify]: Simplifying:
  (expm1 (sqrt (* (- x 1.0) x)))
  (log1p (sqrt (* (- x 1.0) x)))
  (log (sqrt (* (- x 1.0) x)))
  (exp (sqrt (* (- x 1.0) x)))
  (* (cbrt (sqrt (* (- x 1.0) x))) (cbrt (sqrt (* (- x 1.0) x))))
  (cbrt (sqrt (* (- x 1.0) x)))
  (* (* (sqrt (* (- x 1.0) x)) (sqrt (* (- x 1.0) x))) (sqrt (* (- x 1.0) x)))
  (sqrt (- x 1.0))
  (sqrt x)
  (sqrt (* (- (pow x 3) (pow 1.0 3)) x))
  (sqrt (+ (* x x) (+ (* 1.0 1.0) (* x 1.0))))
  (sqrt (* (- (* x x) (* 1.0 1.0)) x))
  (sqrt (+ x 1.0))
  (/ 1 2)
  (/ 1 2)
  (sqrt (sqrt (* (- x 1.0) x)))
  (sqrt (sqrt (* (- x 1.0) x)))
  (- (+ (* +nan.0 x) (- (+ (* +nan.0 (pow x 3)) (- (* +nan.0 (pow x 2)))))))
  (- x (+ (* 0.125 (/ 1 x)) 0.5))
  (- (+ (* 0.125 (/ 1 x)) 0.5) x)
3.486 * * [simplify]: Extracting # 0 : cost  18  inf +  0
3.486 * * [simplify]: Extracting # 1 : cost  30  inf +  0
3.486 * * [simplify]: Extracting # 2 : cost  37  inf +  3
3.486 * * [simplify]: Extracting # 3 : cost  40  inf +  129
3.487 * * [simplify]: Extracting # 4 : cost  25  inf +  1942
3.487 * * [simplify]: Extracting # 5 : cost  14  inf +  3748
3.488 * * [simplify]: Extracting # 6 : cost  9  inf +  5236
3.489 * * [simplify]: Extracting # 7 : cost  6  inf +  6494
3.490 * * [simplify]: Extracting # 8 : cost  2  inf +  8248
3.491 * * [simplify]: Extracting # 9 : cost  0  inf +  9696
3.492 * * [simplify]: iteration  0 :  53  enodes  (cost  4106 )
3.512 * * [simplify]: Extracting # 0 : cost  0  inf +  9696
3.513 * * [simplify]: Extracting # 1 : cost  18  inf +  8729
3.515 * * [simplify]: Extracting # 2 : cost  3  inf +  9232
3.517 * * [simplify]: Extracting # 3 : cost  2  inf +  7645
3.520 * * [simplify]: Extracting # 4 : cost  0  inf +  8069
3.522 * * [simplify]: iteration  1 :  122  enodes  (cost  3186 )
3.586 * * [simplify]: Extracting # 0 : cost  0  inf +  8069
3.588 * * [simplify]: Extracting # 1 : cost  84  inf +  7200
3.591 * * [simplify]: Extracting # 2 : cost  3  inf +  16135
3.593 * * [simplify]: Extracting # 3 : cost  1  inf +  16268
3.596 * * [simplify]: Extracting # 4 : cost  0  inf +  16480
3.599 * * [simplify]: iteration  2 :  388  enodes  (cost  3114 )
3.994 * * [simplify]: Extracting # 0 : cost  0  inf +  16480
4.000 * * [simplify]: Extracting # 1 : cost  621  inf +  13703
4.019 * * [simplify]: Extracting # 2 : cost  3  inf +  78305
4.047 * * [simplify]: Extracting # 3 : cost  0  inf +  78610
4.065 * * [simplify]: Extracting # 4 : cost  0  inf +  78570
4.081 * * [simplify]: iteration  3 :  2109  enodes  (cost  3074 )
7.520 * * [simplify]: Extracting # 0 : cost  0  inf +  78570
7.566 * * [simplify]: Extracting # 1 : cost  299  inf +  71170
7.604 * * [simplify]: Extracting # 2 : cost  95  inf +  91466
7.648 * * [simplify]: Extracting # 3 : cost  25  inf +  99890
7.680 * * [simplify]: Extracting # 4 : cost  0  inf +  106332
7.710 * * [simplify]: iteration done:  5000  enodes  (cost  3024 )
7.710 * [simplify]: Simplified to:
  (expm1 (sqrt (* (- x 1.0) x)))
  (log1p (sqrt (* (- x 1.0) x)))
  (log (sqrt (* (- x 1.0) x)))
  (exp (sqrt (* (- x 1.0) x)))
  (* (cbrt (sqrt (* (- x 1.0) x))) (cbrt (sqrt (* (- x 1.0) x))))
  (cbrt (sqrt (* (- x 1.0) x)))
  (* (* (- x 1.0) x) (sqrt (* (- x 1.0) x)))
  (sqrt (- x 1.0))
  (sqrt x)
  (sqrt (* x (- (* x (* x x)) (* 1.0 (* 1.0 1.0)))))
  (sqrt (fma x x (* 1.0 (+ x 1.0))))
  (sqrt (* (- (* x x) (* 1.0 1.0)) x))
  (sqrt (+ x 1.0))
  1/2
  1/2
  (sqrt (sqrt (* (- x 1.0) x)))
  (sqrt (sqrt (* (- x 1.0) x)))
  (fma x (fma (* +nan.0 x) x (- (* +nan.0 x))) (- (* +nan.0 x)))
  (- (- x (/ 0.125 x)) 0.5)
  (+ (- 0.5 x) (/ 0.125 x))
7.711 * * * [progress]: adding candidates to table
7.765 * [progress]: [Phase 3 of 3] Extracting.
7.765 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (sqrt (* (- x 1.0) x)))> #<alt (λ (x) (- x (+ 0.5 (/ 0.125 x))))>)
7.766 * * * [regime-changes]: Trying 1 branch expressions: (x)
7.766 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (sqrt (* (- x 1.0) x)))> #<alt (λ (x) (- x (+ 0.5 (/ 0.125 x))))>)
7.790 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
7.790 * [simplify]: Simplifying:
  (- x (+ 0.5 (/ 0.125 x)))
7.790 * * [simplify]: Extracting # 0 : cost  1  inf +  0
7.790 * * [simplify]: Extracting # 1 : cost  3  inf +  0
7.790 * * [simplify]: Extracting # 2 : cost  4  inf +  1
7.790 * * [simplify]: Extracting # 3 : cost  4  inf +  2
7.790 * * [simplify]: Extracting # 4 : cost  0  inf +  251
7.790 * * [simplify]: iteration  0 :  6  enodes  (cost  123 )
7.791 * * [simplify]: Extracting # 0 : cost  0  inf +  251
7.791 * * [simplify]: iteration  1 :  7  enodes  (cost  123 )
7.791 * * [simplify]: Extracting # 0 : cost  0  inf +  251
7.791 * * [simplify]: iteration done:  7  enodes  (cost  123 )
7.791 * [simplify]: Simplified to:
  (- x (+ 0.5 (/ 0.125 x)))
10.848 * [regime-testing]: Baseline error score: 0.3678254447032495
10.857 * [regime-testing]: Oracle error score: 0.002250281285160645
10.892 * [regime-testing]: End program error score: 0.3678254447032495