0.782 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.024 * * * [progress]: [2/2] Setting up program.
0.028 * [progress]: [Phase 2 of 3] Improving.
0.222 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (sqrt (- x 1.0)) (sqrt x))
0.664 * * [simplify]: iteration  0 :  71  enodes  (cost  7 )
0.664 * * [simplify]: iteration  1 :  71  enodes  (cost  7 )
0.664 * [simplify]: Simplified to:
   (* (sqrt (- x 1.0)) (sqrt x))
0.666 * * [progress]: iteration 1 / 4
0.666 * * * [progress]: picking best candidate
0.669 * * * * [pick]: Picked  #<alt (λ (x) (* (sqrt (- x 1.0)) (sqrt x)))>
0.669 * * * [progress]: localizing error
0.676 * * * [progress]: generating rewritten candidates
0.676 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.686 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.692 * * * [progress]: generating series expansions
0.692 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.696 * [approximate]: Taking taylor expansion of (sqrt (* (- x 1.0) x)) in (x) around 0
0.697 * [taylor]: Taking taylor expansion of (sqrt (* (- x 1.0) x)) in x
0.697 * [taylor]: Taking taylor expansion of (* (- x 1.0) x) in x
0.697 * [taylor]: Taking taylor expansion of (- x 1.0) in x
0.697 * [taylor]: Taking taylor expansion of x in x
0.697 * [taylor]: Taking taylor expansion of 1.0 in x
0.697 * [taylor]: Taking taylor expansion of x in x
0.698 * [taylor]: Taking taylor expansion of (sqrt (* (- x 1.0) x)) in x
0.698 * [taylor]: Taking taylor expansion of (* (- x 1.0) x) in x
0.698 * [taylor]: Taking taylor expansion of (- x 1.0) in x
0.698 * [taylor]: Taking taylor expansion of x in x
0.698 * [taylor]: Taking taylor expansion of 1.0 in x
0.698 * [taylor]: Taking taylor expansion of x in x
0.703 * [approximate]: Taking taylor expansion of (sqrt (/ (- (/ 1 x) 1.0) x)) in (x) around 0
0.703 * [taylor]: Taking taylor expansion of (sqrt (/ (- (/ 1 x) 1.0) x)) in x
0.703 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) 1.0) x) in x
0.703 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1.0) in x
0.703 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.703 * [taylor]: Taking taylor expansion of x in x
0.703 * [taylor]: Taking taylor expansion of 1.0 in x
0.703 * [taylor]: Taking taylor expansion of x in x
0.704 * [taylor]: Taking taylor expansion of (sqrt (/ (- (/ 1 x) 1.0) x)) in x
0.704 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) 1.0) x) in x
0.704 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1.0) in x
0.704 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.704 * [taylor]: Taking taylor expansion of x in x
0.704 * [taylor]: Taking taylor expansion of 1.0 in x
0.704 * [taylor]: Taking taylor expansion of x in x
0.704 * [approximate]: Taking taylor expansion of (* (sqrt (neg (+ 1.0 (/ 1 x)))) (sqrt (/ -1 x))) in (x) around 0
0.704 * [taylor]: Taking taylor expansion of (* (sqrt (neg (+ 1.0 (/ 1 x)))) (sqrt (/ -1 x))) in x
0.704 * [taylor]: Taking taylor expansion of (sqrt (neg (+ 1.0 (/ 1 x)))) in x
0.704 * [taylor]: Taking taylor expansion of (neg (+ 1.0 (/ 1 x))) in x
0.704 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.704 * [taylor]: Taking taylor expansion of 1.0 in x
0.704 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.704 * [taylor]: Taking taylor expansion of x in x
0.704 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in x
0.705 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.705 * [taylor]: Taking taylor expansion of -1 in x
0.705 * [taylor]: Taking taylor expansion of x in x
0.705 * [taylor]: Taking taylor expansion of (* (sqrt (neg (+ 1.0 (/ 1 x)))) (sqrt (/ -1 x))) in x
0.705 * [taylor]: Taking taylor expansion of (sqrt (neg (+ 1.0 (/ 1 x)))) in x
0.705 * [taylor]: Taking taylor expansion of (neg (+ 1.0 (/ 1 x))) in x
0.705 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.705 * [taylor]: Taking taylor expansion of 1.0 in x
0.705 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.705 * [taylor]: Taking taylor expansion of x in x
0.705 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in x
0.705 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.705 * [taylor]: Taking taylor expansion of -1 in x
0.705 * [taylor]: Taking taylor expansion of x in x
0.708 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
0.708 * [approximate]: Taking taylor expansion of (sqrt (- x 1.0)) in (x) around 0
0.708 * [taylor]: Taking taylor expansion of (sqrt (- x 1.0)) in x
0.708 * [taylor]: Taking taylor expansion of (- x 1.0) in x
0.709 * [taylor]: Taking taylor expansion of x in x
0.709 * [taylor]: Taking taylor expansion of 1.0 in x
0.709 * [taylor]: Taking taylor expansion of (sqrt (- x 1.0)) in x
0.709 * [taylor]: Taking taylor expansion of (- x 1.0) in x
0.709 * [taylor]: Taking taylor expansion of x in x
0.709 * [taylor]: Taking taylor expansion of 1.0 in x
0.709 * [approximate]: Taking taylor expansion of (sqrt (- (/ 1 x) 1.0)) in (x) around 0
0.709 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 x) 1.0)) in x
0.709 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1.0) in x
0.709 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.709 * [taylor]: Taking taylor expansion of x in x
0.709 * [taylor]: Taking taylor expansion of 1.0 in x
0.709 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 x) 1.0)) in x
0.710 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1.0) in x
0.710 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.710 * [taylor]: Taking taylor expansion of x in x
0.710 * [taylor]: Taking taylor expansion of 1.0 in x
0.711 * [approximate]: Taking taylor expansion of (sqrt (neg (+ 1.0 (/ 1 x)))) in (x) around 0
0.711 * [taylor]: Taking taylor expansion of (sqrt (neg (+ 1.0 (/ 1 x)))) in x
0.711 * [taylor]: Taking taylor expansion of (neg (+ 1.0 (/ 1 x))) in x
0.711 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.711 * [taylor]: Taking taylor expansion of 1.0 in x
0.711 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.711 * [taylor]: Taking taylor expansion of x in x
0.711 * [taylor]: Taking taylor expansion of (sqrt (neg (+ 1.0 (/ 1 x)))) in x
0.711 * [taylor]: Taking taylor expansion of (neg (+ 1.0 (/ 1 x))) in x
0.711 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.711 * [taylor]: Taking taylor expansion of 1.0 in x
0.711 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.711 * [taylor]: Taking taylor expansion of x in x
0.712 * * * [progress]: simplifying candidates
0.713 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (- 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))
  (log (sqrt (- x 1.0)))
  (exp (sqrt (- x 1.0)))
  (* (cbrt (sqrt (- x 1.0))) (cbrt (sqrt (- x 1.0))))
  (cbrt (sqrt (- x 1.0)))
  (* (* (sqrt (- x 1.0)) (sqrt (- x 1.0))) (sqrt (- x 1.0)))
  (sqrt (* (cbrt (- x 1.0)) (cbrt (- x 1.0))))
  (sqrt (cbrt (- x 1.0)))
  (sqrt (sqrt (- x 1.0)))
  (sqrt (sqrt (- x 1.0)))
  (sqrt 1)
  (sqrt (- x 1.0))
  (sqrt (+ (sqrt x) (sqrt 1.0)))
  (sqrt (- (sqrt x) (sqrt 1.0)))
  (sqrt 1)
  (sqrt (- x 1.0))
  (sqrt (- (pow x 3) (pow 1.0 3)))
  (sqrt (+ (* x x) (+ (* 1.0 1.0) (* x 1.0))))
  (sqrt (- (* x x) (* 1.0 1.0)))
  (sqrt (+ x 1.0))
  (/ 1 2)
  (sqrt (sqrt (- x 1.0)))
  (sqrt (sqrt (- x 1.0)))
  (- (+ (* 2 (* (pow x 3) (pow NAN 5))) (+ (* x NAN) (* (pow x 2) NAN))) (+ (* (pow x 2) (pow NAN 3)) (* 2 (* (pow x 3) (pow NAN 3)))))
  (- x (+ 0.5 (* 0.125 (/ 1 x))))
  (- (+ (* 3.0 (/ (pow NAN 4) (pow x 2))) (+ (* 4 (/ (pow NAN 6) (pow x 2))) (pow NAN 2))) (+ (* 1.0 (/ (pow NAN 2) x)) (* 2 (/ (pow NAN 4) x))))
  (- (+ (sqrt (neg 1.0)) (* 1/2 (/ x (sqrt (neg 1.0))))) (* 1/8 (/ (pow x 2) (pow (sqrt (neg 1.0)) 3))))
  (+ (* 1.0 (/ NAN x)) (+ (/ (pow NAN 3) x) (+ NAN (+ (* 2.0 (/ (pow NAN 3) (pow x 2))) (* 2 (/ (pow NAN 5) (pow x 2)))))))
  (- (+ NAN (+ (* 2.0 (/ (pow NAN 3) (pow x 2))) (* 2 (/ (pow NAN 5) (pow x 2))))) (+ (* 1.0 (/ NAN x)) (/ (pow NAN 3) x)))
0.741 * * [simplify]: iteration  0 :  4988  enodes  (cost  586 )
0.741 * * [simplify]: iteration  1 :  4988  enodes  (cost  586 )
0.765 * [simplify]: Simplified to:
   (* 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)))
  (pow (exp (sqrt (- x 1.0))) (sqrt x))
  (pow (* (sqrt (- x 1.0)) (sqrt x)) 3)
  (* (cbrt (* (sqrt (- x 1.0)) (sqrt x))) (cbrt (* (sqrt (- x 1.0)) (sqrt x))))
  (cbrt (* (sqrt (- x 1.0)) (sqrt x)))
  (pow (* (sqrt (- x 1.0)) (sqrt x)) 3)
  (* 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))))
  (* (sqrt (- x 1.0)) (fabs (cbrt x)))
  (* (sqrt (- x 1.0)) (sqrt (sqrt x)))
  (sqrt (- x 1.0))
  (* (sqrt (- x 1.0)) (sqrt (sqrt x)))
  (sqrt (- x 1.0))
  (* (sqrt x) (cbrt (sqrt (- x 1.0))))
  (* (sqrt x) (sqrt (cbrt (- x 1.0))))
  (* (sqrt x) (sqrt (sqrt (- x 1.0))))
  (* (sqrt (- x 1.0)) (sqrt x))
  (* (sqrt x) (sqrt (- (sqrt x) (sqrt 1.0))))
  (* (sqrt (- x 1.0)) (sqrt x))
  (* (sqrt x) (sqrt (sqrt (- x 1.0))))
  (* (sqrt (- x 1.0)) (sqrt x))
  (* (sqrt x) (sqrt (- (pow x 3) (pow 1.0 3))))
  (* (sqrt x) (sqrt (- (* x x) (* 1.0 1.0))))
  (log (sqrt (- x 1.0)))
  (exp (sqrt (- x 1.0)))
  (* (cbrt (sqrt (- x 1.0))) (cbrt (sqrt (- x 1.0))))
  (cbrt (sqrt (- x 1.0)))
  (pow (sqrt (- x 1.0)) 3)
  (fabs (cbrt (- x 1.0)))
  (sqrt (cbrt (- x 1.0)))
  (sqrt (sqrt (- x 1.0)))
  (sqrt (sqrt (- x 1.0)))
  1
  (sqrt (- x 1.0))
  (sqrt (+ (sqrt x) (sqrt 1.0)))
  (sqrt (- (sqrt x) (sqrt 1.0)))
  1
  (sqrt (- x 1.0))
  (sqrt (- (pow x 3) (pow 1.0 3)))
  (sqrt (+ (* x x) (* 1.0 (+ x 1.0))))
  (sqrt (- (* x x) (* 1.0 1.0)))
  (sqrt (+ x 1.0))
  1/2
  (sqrt (sqrt (- x 1.0)))
  (sqrt (sqrt (- x 1.0)))
  (+ (* (pow x 3) (* 2 (pow NAN 5))) (+ (* x NAN) (+ (* (* x x) (- NAN (pow NAN 3))) (* (pow (* x NAN) 3) -2))))
  (- x (+ 0.5 (/ 0.125 x)))
  (+ (* 3.0 (/ (pow NAN 4) (* x x))) (+ (* 4 (/ (pow NAN 6) (* x x))) (+ (* NAN NAN) (- (* (/ (pow NAN 4) x) -2) (* 1.0 (* (/ NAN x) NAN))))))
  (+ (sqrt (neg 1.0)) (+ (* 1/2 (/ x (sqrt (neg 1.0)))) (* (* (/ x (pow (sqrt (neg 1.0)) 3)) x) -1/8)))
  (+ NAN (+ (* 1.0 (/ NAN x)) (+ (/ (pow NAN 3) x) (+ (* (/ (pow NAN 3) x) (/ 2.0 x)) (* 2 (/ (pow NAN 5) (* x x)))))))
  (+ NAN (+ (* (/ (pow NAN 3) x) (/ 2.0 x)) (- (* 2 (/ (pow NAN 5) (* x x))) (+ (* 1.0 (/ NAN x)) (/ (pow NAN 3) x)))))
0.765 * * * [progress]: adding candidates to table
0.843 * * [progress]: iteration 2 / 4
0.843 * * * [progress]: picking best candidate
0.847 * * * * [pick]: Picked  #<alt (λ (x) (- x (+ 0.5 (/ 0.125 x))))>
0.847 * * * [progress]: localizing error
0.852 * * * [progress]: generating rewritten candidates
0.852 * * * [progress]: generating series expansions
0.852 * * * [progress]: simplifying candidates
0.852 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.854 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.854 * [simplify]: Simplified to:
   
0.854 * * * [progress]: adding candidates to table
0.854 * * [progress]: iteration 3 / 4
0.854 * * * [progress]: picking best candidate
0.856 * * * * [pick]: Picked  #<alt (λ (x) (sqrt (* x (- x 1.0))))>
0.856 * * * [progress]: localizing error
0.861 * * * [progress]: generating rewritten candidates
0.861 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.866 * * * [progress]: generating series expansions
0.866 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.866 * [approximate]: Taking taylor expansion of (sqrt (* (- x 1.0) x)) in (x) around 0
0.866 * [taylor]: Taking taylor expansion of (sqrt (* (- x 1.0) x)) in x
0.866 * [taylor]: Taking taylor expansion of (* (- x 1.0) x) in x
0.866 * [taylor]: Taking taylor expansion of (- x 1.0) in x
0.866 * [taylor]: Taking taylor expansion of x in x
0.866 * [taylor]: Taking taylor expansion of 1.0 in x
0.866 * [taylor]: Taking taylor expansion of x in x
0.867 * [taylor]: Taking taylor expansion of (sqrt (* (- x 1.0) x)) in x
0.867 * [taylor]: Taking taylor expansion of (* (- x 1.0) x) in x
0.867 * [taylor]: Taking taylor expansion of (- x 1.0) in x
0.867 * [taylor]: Taking taylor expansion of x in x
0.867 * [taylor]: Taking taylor expansion of 1.0 in x
0.867 * [taylor]: Taking taylor expansion of x in x
0.868 * [approximate]: Taking taylor expansion of (sqrt (/ (- (/ 1 x) 1.0) x)) in (x) around 0
0.868 * [taylor]: Taking taylor expansion of (sqrt (/ (- (/ 1 x) 1.0) x)) in x
0.868 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) 1.0) x) in x
0.868 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1.0) in x
0.868 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.868 * [taylor]: Taking taylor expansion of x in x
0.868 * [taylor]: Taking taylor expansion of 1.0 in x
0.868 * [taylor]: Taking taylor expansion of x in x
0.868 * [taylor]: Taking taylor expansion of (sqrt (/ (- (/ 1 x) 1.0) x)) in x
0.868 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) 1.0) x) in x
0.868 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1.0) in x
0.868 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.868 * [taylor]: Taking taylor expansion of x in x
0.868 * [taylor]: Taking taylor expansion of 1.0 in x
0.868 * [taylor]: Taking taylor expansion of x in x
0.869 * [approximate]: Taking taylor expansion of (sqrt (/ (+ 1.0 (/ 1 x)) x)) in (x) around 0
0.869 * [taylor]: Taking taylor expansion of (sqrt (/ (+ 1.0 (/ 1 x)) x)) in x
0.869 * [taylor]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) x) in x
0.869 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.869 * [taylor]: Taking taylor expansion of 1.0 in x
0.869 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.869 * [taylor]: Taking taylor expansion of x in x
0.869 * [taylor]: Taking taylor expansion of x in x
0.869 * [taylor]: Taking taylor expansion of (sqrt (/ (+ 1.0 (/ 1 x)) x)) in x
0.869 * [taylor]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) x) in x
0.869 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.869 * [taylor]: Taking taylor expansion of 1.0 in x
0.869 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.869 * [taylor]: Taking taylor expansion of x in x
0.869 * [taylor]: Taking taylor expansion of x in x
0.870 * * * [progress]: simplifying candidates
0.870 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (log (sqrt (* x (- x 1.0))))
  (exp (sqrt (* x (- x 1.0))))
  (* (cbrt (sqrt (* x (- x 1.0)))) (cbrt (sqrt (* x (- x 1.0)))))
  (cbrt (sqrt (* x (- x 1.0))))
  (* (* (sqrt (* x (- x 1.0))) (sqrt (* x (- x 1.0)))) (sqrt (* x (- x 1.0))))
  (sqrt x)
  (sqrt (- x 1.0))
  (sqrt (* x (- (pow x 3) (pow 1.0 3))))
  (sqrt (+ (* x x) (+ (* 1.0 1.0) (* x 1.0))))
  (sqrt (* x (- (* x x) (* 1.0 1.0))))
  (sqrt (+ x 1.0))
  (/ 1 2)
  (/ 1 2)
  (sqrt (sqrt (* x (- x 1.0))))
  (sqrt (sqrt (* x (- x 1.0))))
  (- (+ (* 2 (* (pow x 3) (pow NAN 5))) (+ (* x NAN) (* (pow x 2) NAN))) (+ (* (pow x 2) (pow NAN 3)) (* 2 (* (pow x 3) (pow NAN 3)))))
  (- x (+ 0.5 (* 0.125 (/ 1 x))))
  (- (+ 0.5 (* 0.125 (/ 1 x))) x)
0.917 * * [simplify]: iteration  0 :  5536  enodes  (cost  139 )
0.919 * [simplify]: Simplified to:
   (log (sqrt (* x (- x 1.0))))
  (exp (sqrt (* x (- x 1.0))))
  (* (cbrt (sqrt (* x (- x 1.0)))) (cbrt (sqrt (* x (- x 1.0)))))
  (cbrt (sqrt (* x (- x 1.0))))
  (pow (sqrt (* x (- x 1.0))) 3)
  (sqrt x)
  (sqrt (- x 1.0))
  (sqrt (- (pow x 4) (* x (pow 1.0 3))))
  (sqrt (+ (* x x) (* 1.0 (+ x 1.0))))
  (sqrt (- (pow x 3) (* x (* 1.0 1.0))))
  (sqrt (+ x 1.0))
  1/2
  1/2
  (sqrt (sqrt (* x (- x 1.0))))
  (sqrt (sqrt (* x (- x 1.0))))
  (+ (* x (+ NAN (* x (- NAN (pow NAN 3))))) (* (* (pow x 3) 2) (- (pow NAN 5) (pow NAN 3))))
  (- x (+ 0.5 (/ 0.125 x)))
  (+ 0.5 (- (/ 0.125 x) x))
0.919 * * * [progress]: adding candidates to table
0.942 * [progress]: [Phase 3 of 3] Extracting.
0.943 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (* (sqrt (- x 1.0)) (sqrt x)))> #<alt (λ (x) (sqrt (* x (- x 1.0))))> #<alt (λ (x) (- x (+ 0.5 (/ 0.125 x))))>)
0.943 * * * [regime-changes]: Trying 2 branch expressions: ((* (sqrt (- x 1.0)) (sqrt x)) x)
0.944 * * * * [regimes]: Trying to branch on (* (sqrt (- x 1.0)) (sqrt x)) from (#<alt (λ (x) (* (sqrt (- x 1.0)) (sqrt x)))> #<alt (λ (x) (sqrt (* x (- x 1.0))))> #<alt (λ (x) (- x (+ 0.5 (/ 0.125 x))))>)
0.981 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (* (sqrt (- x 1.0)) (sqrt x)))> #<alt (λ (x) (sqrt (* x (- x 1.0))))> #<alt (λ (x) (- x (+ 0.5 (/ 0.125 x))))>)
1.008 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
1.009 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (sqrt (- x 1.0)) (sqrt x))
1.010 * * [simplify]: iteration  0 :  17  enodes  (cost  7 )
1.010 * * [simplify]: iteration  1 :  17  enodes  (cost  7 )
1.010 * [simplify]: Simplified to:
   (* (sqrt (- x 1.0)) (sqrt x))
1.629 * [regime-testing]: End program error score: 0.49243655456932117