0.812 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.223 * * * [progress]: [2/2] Setting up program.
0.227 * [progress]: [Phase 2 of 3] Improving.
0.229 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (*.f64 (sqrt.f64 (-.f64 x 1)) (sqrt.f64 x))
0.826 * * [simplify]: iteration  0 :  11  enodes  (cost  7 )
0.826 * * [simplify]: iteration  1 :  11  enodes  (cost  7 )
0.826 * [simplify]: Simplified to:
   (*.f64 (sqrt.f64 (-.f64 x 1)) (sqrt.f64 x))
0.828 * * [progress]: iteration 1 / 4
0.828 * * * [progress]: picking best candidate
0.830 * * * * [pick]: Picked  #<alt (λ (x) (*.f64 (sqrt.f64 (-.f64 x 1)) (sqrt.f64 x)))>
0.830 * * * [progress]: localizing error
0.838 * * * [progress]: generating rewritten candidates
0.838 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.861 * * * [progress]: generating series expansions
0.862 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.868 * [approximate]: Taking taylor expansion of (sqrt (* x (- x 1))) in (x) around 0
0.869 * [taylor]: Taking taylor expansion of (sqrt (* x (- x 1))) in x
0.869 * [taylor]: Taking taylor expansion of (* x (- x 1)) in x
0.869 * [taylor]: Taking taylor expansion of x in x
0.869 * [taylor]: Taking taylor expansion of (- x 1) in x
0.869 * [taylor]: Taking taylor expansion of x in x
0.869 * [taylor]: Taking taylor expansion of 1 in x
0.870 * [taylor]: Taking taylor expansion of (sqrt (* x (- x 1))) in x
0.870 * [taylor]: Taking taylor expansion of (* x (- x 1)) in x
0.870 * [taylor]: Taking taylor expansion of x in x
0.870 * [taylor]: Taking taylor expansion of (- x 1) in x
0.870 * [taylor]: Taking taylor expansion of x in x
0.870 * [taylor]: Taking taylor expansion of 1 in x
0.874 * [approximate]: Taking taylor expansion of (sqrt (/ (- (/ 1 x) 1) x)) in (x) around 0
0.874 * [taylor]: Taking taylor expansion of (sqrt (/ (- (/ 1 x) 1) x)) in x
0.874 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) 1) x) in x
0.874 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1) in x
0.874 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.874 * [taylor]: Taking taylor expansion of x in x
0.874 * [taylor]: Taking taylor expansion of 1 in x
0.874 * [taylor]: Taking taylor expansion of x in x
0.875 * [taylor]: Taking taylor expansion of (sqrt (/ (- (/ 1 x) 1) x)) in x
0.875 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) 1) x) in x
0.875 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1) in x
0.875 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.875 * [taylor]: Taking taylor expansion of x in x
0.875 * [taylor]: Taking taylor expansion of 1 in x
0.875 * [taylor]: Taking taylor expansion of x in x
0.875 * [approximate]: Taking taylor expansion of (* (sqrt (neg (+ 1 (/ 1 x)))) (sqrt (/ -1 x))) in (x) around 0
0.875 * [taylor]: Taking taylor expansion of (* (sqrt (neg (+ 1 (/ 1 x)))) (sqrt (/ -1 x))) in x
0.875 * [taylor]: Taking taylor expansion of (sqrt (neg (+ 1 (/ 1 x)))) in x
0.876 * [taylor]: Taking taylor expansion of (neg (+ 1 (/ 1 x))) in x
0.876 * [taylor]: Taking taylor expansion of (+ 1 (/ 1 x)) in x
0.876 * [taylor]: Taking taylor expansion of 1 in x
0.876 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.876 * [taylor]: Taking taylor expansion of x in x
0.876 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in x
0.876 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.876 * [taylor]: Taking taylor expansion of -1 in x
0.876 * [taylor]: Taking taylor expansion of x in x
0.876 * [taylor]: Taking taylor expansion of (* (sqrt (neg (+ 1 (/ 1 x)))) (sqrt (/ -1 x))) in x
0.876 * [taylor]: Taking taylor expansion of (sqrt (neg (+ 1 (/ 1 x)))) in x
0.876 * [taylor]: Taking taylor expansion of (neg (+ 1 (/ 1 x))) in x
0.876 * [taylor]: Taking taylor expansion of (+ 1 (/ 1 x)) in x
0.876 * [taylor]: Taking taylor expansion of 1 in x
0.876 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.876 * [taylor]: Taking taylor expansion of x in x
0.876 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in x
0.876 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.876 * [taylor]: Taking taylor expansion of -1 in x
0.876 * [taylor]: Taking taylor expansion of x in x
0.880 * * * [progress]: simplifying candidates
0.881 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (*.f64 (-.f64 x 1) x)
  (*.f64 (sqrt.f64 (-.f64 x 1)) (sqrt.f64 x))
  (*.f64 (-.f64 x 1) x)
  (+.f64 (log.f64 (sqrt.f64 (-.f64 x 1))) (log.f64 (sqrt.f64 x)))
  (log.f64 (*.f64 (sqrt.f64 (-.f64 x 1)) (sqrt.f64 x)))
  (exp.f64 (*.f64 (sqrt.f64 (-.f64 x 1)) (sqrt.f64 x)))
  (*.f64 (*.f64 (*.f64 (sqrt.f64 (-.f64 x 1)) (sqrt.f64 (-.f64 x 1))) (sqrt.f64 (-.f64 x 1))) (*.f64 (*.f64 (sqrt.f64 x) (sqrt.f64 x)) (sqrt.f64 x)))
  (*.f64 (cbrt.f64 (*.f64 (sqrt.f64 (-.f64 x 1)) (sqrt.f64 x))) (cbrt.f64 (*.f64 (sqrt.f64 (-.f64 x 1)) (sqrt.f64 x))))
  (cbrt.f64 (*.f64 (sqrt.f64 (-.f64 x 1)) (sqrt.f64 x)))
  (*.f64 (*.f64 (*.f64 (sqrt.f64 (-.f64 x 1)) (sqrt.f64 x)) (*.f64 (sqrt.f64 (-.f64 x 1)) (sqrt.f64 x))) (*.f64 (sqrt.f64 (-.f64 x 1)) (sqrt.f64 x)))
  (*.f64 (-.f64 x 1) x)
  (sqrt.f64 (*.f64 (sqrt.f64 (-.f64 x 1)) (sqrt.f64 x)))
  (sqrt.f64 (*.f64 (sqrt.f64 (-.f64 x 1)) (sqrt.f64 x)))
  (*.f64 (sqrt.f64 (sqrt.f64 (-.f64 x 1))) (sqrt.f64 (sqrt.f64 x)))
  (*.f64 (sqrt.f64 (sqrt.f64 (-.f64 x 1))) (sqrt.f64 (sqrt.f64 x)))
  (*.f64 (sqrt.f64 (sqrt.f64 (-.f64 x 1))) (sqrt.f64 (sqrt.f64 x)))
  (*.f64 (sqrt.f64 (sqrt.f64 (-.f64 x 1))) (sqrt.f64 (sqrt.f64 x)))
  (*.f64 (sqrt.f64 (sqrt.f64 (-.f64 x 1))) (sqrt.f64 (sqrt.f64 x)))
  (*.f64 (sqrt.f64 (sqrt.f64 (-.f64 x 1))) (sqrt.f64 (sqrt.f64 x)))
  (*.f64 (sqrt.f64 (sqrt.f64 (-.f64 x 1))) (sqrt.f64 (sqrt.f64 x)))
  (*.f64 (sqrt.f64 (sqrt.f64 (-.f64 x 1))) (sqrt.f64 (sqrt.f64 x)))
  (*.f64 (sqrt.f64 (-.f64 x 1)) (*.f64 (cbrt.f64 (sqrt.f64 x)) (cbrt.f64 (sqrt.f64 x))))
  (*.f64 (sqrt.f64 (-.f64 x 1)) (sqrt.f64 (*.f64 (cbrt.f64 x) (cbrt.f64 x))))
  (*.f64 (sqrt.f64 (-.f64 x 1)) (sqrt.f64 (sqrt.f64 x)))
  (*.f64 (sqrt.f64 (-.f64 x 1)) (sqrt.f64 1))
  (*.f64 (sqrt.f64 (-.f64 x 1)) (sqrt.f64 (sqrt.f64 x)))
  (*.f64 (sqrt.f64 (-.f64 x 1)) 1)
  (*.f64 (cbrt.f64 (sqrt.f64 (-.f64 x 1))) (sqrt.f64 x))
  (*.f64 (sqrt.f64 (cbrt.f64 (-.f64 x 1))) (sqrt.f64 x))
  (*.f64 (sqrt.f64 (sqrt.f64 (-.f64 x 1))) (sqrt.f64 x))
  (*.f64 (sqrt.f64 (-.f64 x 1)) (sqrt.f64 x))
  (*.f64 (sqrt.f64 (-.f64 (sqrt.f64 x) (sqrt.f64 1))) (sqrt.f64 x))
  (*.f64 (sqrt.f64 (-.f64 (sqrt.f64 x) 1)) (sqrt.f64 x))
  (*.f64 (sqrt.f64 (-.f64 (sqrt.f64 x) 1)) (sqrt.f64 x))
  (*.f64 (sqrt.f64 (-.f64 x 1)) (sqrt.f64 x))
  (*.f64 (sqrt.f64 (sqrt.f64 (-.f64 x 1))) (sqrt.f64 x))
  (*.f64 (sqrt.f64 (-.f64 x 1)) (sqrt.f64 x))
  (*.f64 (sqrt.f64 (-.f64 (pow.f64 x 3) (pow.f64 1 3))) (sqrt.f64 x))
  (*.f64 (sqrt.f64 (-.f64 (*.f64 x x) (*.f64 1 1))) (sqrt.f64 x))
  (-.f64 (+.f64 (*.f64 2 (*.f64 (pow.f64 x 3) (pow.f64 NAN.f64 5))) (+.f64 (*.f64 x NAN.f64) (*.f64 (pow.f64 x 2) NAN.f64))) (+.f64 (*.f64 (pow.f64 x 2) (pow.f64 NAN.f64 3)) (*.f64 2 (*.f64 (pow.f64 x 3) (pow.f64 NAN.f64 3)))))
  (-.f64 x (+.f64 1/2 (*.f64 1/8 (/.f64 1 x))))
  (-.f64 (+.f64 (*.f64 3 (/.f64 (pow.f64 NAN.f64 4) (pow.f64 x 2))) (+.f64 (*.f64 4 (/.f64 (pow.f64 NAN.f64 6) (pow.f64 x 2))) (pow.f64 NAN.f64 2))) (+.f64 (/.f64 (pow.f64 NAN.f64 2) x) (*.f64 2 (/.f64 (pow.f64 NAN.f64 4) x))))
0.928 * * [simplify]: iteration  0 :  4963  enodes  (cost  379 )
0.928 * * [simplify]: iteration  1 :  4963  enodes  (cost  379 )
0.930 * [simplify]: Simplified to:
   (*.f64 x (-.f64 x 1))
  (*.f64 (sqrt.f64 (-.f64 x 1)) (sqrt.f64 x))
  (*.f64 x (-.f64 x 1))
  (log.f64 (*.f64 (sqrt.f64 (-.f64 x 1)) (sqrt.f64 x)))
  (log.f64 (*.f64 (sqrt.f64 (-.f64 x 1)) (sqrt.f64 x)))
  (exp.f64 (*.f64 (sqrt.f64 (-.f64 x 1)) (sqrt.f64 x)))
  (pow.f64 (*.f64 (sqrt.f64 (-.f64 x 1)) (sqrt.f64 x)) 3)
  (*.f64 (cbrt.f64 (*.f64 (sqrt.f64 (-.f64 x 1)) (sqrt.f64 x))) (cbrt.f64 (*.f64 (sqrt.f64 (-.f64 x 1)) (sqrt.f64 x))))
  (cbrt.f64 (*.f64 (sqrt.f64 (-.f64 x 1)) (sqrt.f64 x)))
  (pow.f64 (*.f64 (sqrt.f64 (-.f64 x 1)) (sqrt.f64 x)) 3)
  (*.f64 x (-.f64 x 1))
  (sqrt.f64 (*.f64 (sqrt.f64 (-.f64 x 1)) (sqrt.f64 x)))
  (sqrt.f64 (*.f64 (sqrt.f64 (-.f64 x 1)) (sqrt.f64 x)))
  (*.f64 (sqrt.f64 (sqrt.f64 (-.f64 x 1))) (sqrt.f64 (sqrt.f64 x)))
  (*.f64 (sqrt.f64 (sqrt.f64 (-.f64 x 1))) (sqrt.f64 (sqrt.f64 x)))
  (*.f64 (sqrt.f64 (sqrt.f64 (-.f64 x 1))) (sqrt.f64 (sqrt.f64 x)))
  (*.f64 (sqrt.f64 (sqrt.f64 (-.f64 x 1))) (sqrt.f64 (sqrt.f64 x)))
  (*.f64 (sqrt.f64 (sqrt.f64 (-.f64 x 1))) (sqrt.f64 (sqrt.f64 x)))
  (*.f64 (sqrt.f64 (sqrt.f64 (-.f64 x 1))) (sqrt.f64 (sqrt.f64 x)))
  (*.f64 (sqrt.f64 (sqrt.f64 (-.f64 x 1))) (sqrt.f64 (sqrt.f64 x)))
  (*.f64 (sqrt.f64 (sqrt.f64 (-.f64 x 1))) (sqrt.f64 (sqrt.f64 x)))
  (*.f64 (sqrt.f64 (-.f64 x 1)) (*.f64 (cbrt.f64 (sqrt.f64 x)) (cbrt.f64 (sqrt.f64 x))))
  (*.f64 (sqrt.f64 (-.f64 x 1)) (fabs.f64 (cbrt.f64 x)))
  (*.f64 (sqrt.f64 (-.f64 x 1)) (sqrt.f64 (sqrt.f64 x)))
  (sqrt.f64 (-.f64 x 1))
  (*.f64 (sqrt.f64 (-.f64 x 1)) (sqrt.f64 (sqrt.f64 x)))
  (sqrt.f64 (-.f64 x 1))
  (*.f64 (sqrt.f64 x) (cbrt.f64 (sqrt.f64 (-.f64 x 1))))
  (*.f64 (sqrt.f64 x) (sqrt.f64 (cbrt.f64 (-.f64 x 1))))
  (*.f64 (sqrt.f64 x) (sqrt.f64 (sqrt.f64 (-.f64 x 1))))
  (*.f64 (sqrt.f64 (-.f64 x 1)) (sqrt.f64 x))
  (*.f64 (sqrt.f64 x) (sqrt.f64 (-.f64 (sqrt.f64 x) 1)))
  (*.f64 (sqrt.f64 x) (sqrt.f64 (-.f64 (sqrt.f64 x) 1)))
  (*.f64 (sqrt.f64 x) (sqrt.f64 (-.f64 (sqrt.f64 x) 1)))
  (*.f64 (sqrt.f64 (-.f64 x 1)) (sqrt.f64 x))
  (*.f64 (sqrt.f64 x) (sqrt.f64 (sqrt.f64 (-.f64 x 1))))
  (*.f64 (sqrt.f64 (-.f64 x 1)) (sqrt.f64 x))
  (*.f64 (sqrt.f64 x) (sqrt.f64 (-.f64 (pow.f64 x 3) 1)))
  (*.f64 (sqrt.f64 x) (sqrt.f64 (-.f64 (*.f64 x x) 1)))
  (-.f64 (*.f64 x (+.f64 NAN.f64 (*.f64 x (-.f64 NAN.f64 (pow.f64 NAN.f64 3))))) (*.f64 (*.f64 (pow.f64 x 3) 2) (-.f64 (pow.f64 NAN.f64 3) (pow.f64 NAN.f64 5))))
  (-.f64 x (+.f64 1/2 (/.f64 1/8 x)))
  (-.f64 (-.f64 (+.f64 (*.f64 4 (/.f64 (pow.f64 NAN.f64 6) (*.f64 x x))) (*.f64 NAN.f64 NAN.f64)) (/.f64 (*.f64 NAN.f64 NAN.f64) x)) (*.f64 (/.f64 (pow.f64 NAN.f64 4) x) (-.f64 2 (/.f64 3 x))))
0.931 * * * [progress]: adding candidates to table
0.966 * * [progress]: iteration 2 / 4
0.966 * * * [progress]: picking best candidate
0.972 * * * * [pick]: Picked  #<alt (λ (x) (-.f64 x (+.f64 1/2 (/.f64 1/8 x))))>
0.972 * * * [progress]: localizing error
0.976 * * * [progress]: generating rewritten candidates
0.976 * * * [progress]: generating series expansions
0.976 * * * [progress]: simplifying candidates
0.976 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.980 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.980 * [simplify]: Simplified to:
   
0.980 * * * [progress]: adding candidates to table
0.981 * [progress]: [Phase 3 of 3] Extracting.
0.981 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (-.f64 x (+.f64 1/2 (/.f64 1/8 x))))> #<alt (λ (x) (*.f64 (sqrt.f64 (-.f64 x 1)) (sqrt.f64 x)))>)
0.981 * * * [regime-changes]: Trying 2 branch expressions: ((*.f64 (sqrt.f64 (-.f64 x 1)) (sqrt.f64 x)) x)
0.982 * * * * [regimes]: Trying to branch on (*.f64 (sqrt.f64 (-.f64 x 1)) (sqrt.f64 x)) from (#<alt (λ (x) (-.f64 x (+.f64 1/2 (/.f64 1/8 x))))> #<alt (λ (x) (*.f64 (sqrt.f64 (-.f64 x 1)) (sqrt.f64 x)))>)
1.008 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (-.f64 x (+.f64 1/2 (/.f64 1/8 x))))> #<alt (λ (x) (*.f64 (sqrt.f64 (-.f64 x 1)) (sqrt.f64 x)))>)
1.032 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
1.033 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (-.f64 x (+.f64 1/2 (/.f64 1/8 x)))
1.034 * * [simplify]: iteration  0 :  40  enodes  (cost  7 )
1.034 * * [simplify]: iteration  1 :  40  enodes  (cost  7 )
1.035 * [simplify]: Simplified to:
   (-.f64 x (+.f64 1/2 (/.f64 1/8 x)))
1.517 * [regime-testing]: End program error score: 0.3795064321015602