0.866 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.282 * * * [progress]: [2/2] Setting up program.
0.285 * [progress]: [Phase 2 of 3] Improving.
0.288 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (sqrt (- x 1.0)) (sqrt x))
0.291 * * [simplify]: iteration  0 :  9  enodes  (cost  4 )
0.293 * * [simplify]: iteration  1 :  10  enodes  (cost  4 )
0.294 * * [simplify]: iteration  2 :  10  enodes  (cost  4 )
0.294 * [simplify]: Simplified to:
   (* (sqrt (- x 1.0)) (sqrt x))
0.296 * * [progress]: iteration 1 / 4
0.296 * * * [progress]: picking best candidate
0.298 * * * * [pick]: Picked  #<alt (λ (x) (* (sqrt (- x 1.0)) (sqrt x)))>
0.298 * * * [progress]: localizing error
0.305 * * * [progress]: generating rewritten candidates
0.305 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.318 * * * [progress]: generating series expansions
0.318 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.323 * [approximate]: Taking taylor expansion of (sqrt (* (- x 1.0) x)) in (x) around 0
0.324 * [taylor]: Taking taylor expansion of (sqrt (* (- x 1.0) x)) in x
0.324 * [taylor]: Taking taylor expansion of (* (- x 1.0) x) in x
0.324 * [taylor]: Taking taylor expansion of (- x 1.0) in x
0.324 * [taylor]: Taking taylor expansion of x in x
0.324 * [taylor]: Taking taylor expansion of 1.0 in x
0.324 * [taylor]: Taking taylor expansion of x in x
0.329 * [taylor]: Taking taylor expansion of (sqrt (* (- x 1.0) x)) in x
0.329 * [taylor]: Taking taylor expansion of (* (- x 1.0) x) in x
0.329 * [taylor]: Taking taylor expansion of (- x 1.0) in x
0.329 * [taylor]: Taking taylor expansion of x in x
0.329 * [taylor]: Taking taylor expansion of 1.0 in x
0.330 * [taylor]: Taking taylor expansion of x in x
0.343 * [approximate]: Taking taylor expansion of (sqrt (/ (- (/ 1 x) 1.0) x)) in (x) around 0
0.343 * [taylor]: Taking taylor expansion of (sqrt (/ (- (/ 1 x) 1.0) x)) in x
0.343 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) 1.0) x) in x
0.343 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1.0) in x
0.343 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.343 * [taylor]: Taking taylor expansion of x in x
0.343 * [taylor]: Taking taylor expansion of 1.0 in x
0.343 * [taylor]: Taking taylor expansion of x in x
0.348 * [taylor]: Taking taylor expansion of (sqrt (/ (- (/ 1 x) 1.0) x)) in x
0.348 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) 1.0) x) in x
0.348 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1.0) in x
0.348 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.348 * [taylor]: Taking taylor expansion of x in x
0.349 * [taylor]: Taking taylor expansion of 1.0 in x
0.349 * [taylor]: Taking taylor expansion of x in x
0.358 * [approximate]: Taking taylor expansion of (* (sqrt (- (+ 1.0 (/ 1 x)))) (sqrt (/ -1 x))) in (x) around 0
0.358 * [taylor]: Taking taylor expansion of (* (sqrt (- (+ 1.0 (/ 1 x)))) (sqrt (/ -1 x))) in x
0.358 * [taylor]: Taking taylor expansion of (sqrt (- (+ 1.0 (/ 1 x)))) in x
0.358 * [taylor]: Taking taylor expansion of (- (+ 1.0 (/ 1 x))) in x
0.358 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.358 * [taylor]: Taking taylor expansion of 1.0 in x
0.358 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.358 * [taylor]: Taking taylor expansion of x in x
0.360 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in x
0.360 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.360 * [taylor]: Taking taylor expansion of -1 in x
0.360 * [taylor]: Taking taylor expansion of x in x
0.371 * [taylor]: Taking taylor expansion of (* (sqrt (- (+ 1.0 (/ 1 x)))) (sqrt (/ -1 x))) in x
0.371 * [taylor]: Taking taylor expansion of (sqrt (- (+ 1.0 (/ 1 x)))) in x
0.371 * [taylor]: Taking taylor expansion of (- (+ 1.0 (/ 1 x))) in x
0.371 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.371 * [taylor]: Taking taylor expansion of 1.0 in x
0.371 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.372 * [taylor]: Taking taylor expansion of x in x
0.374 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in x
0.374 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.374 * [taylor]: Taking taylor expansion of -1 in x
0.374 * [taylor]: Taking taylor expansion of x in x
0.403 * * * [progress]: simplifying candidates
0.404 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (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 (pow x 2)) (- (+ (* +nan.0 (pow x 3)) (- (* +nan.0 x))))))
  (- x (+ 0.5 (* 0.125 (/ 1 x))))
  (- (+ (* +nan.0 (/ 1 (pow x 2))) (- (+ (* +nan.0 (/ 1 x)) (- +nan.0)))))
0.408 * * [simplify]: iteration  0 :  188  enodes  (cost  226 )
0.413 * * [simplify]: iteration  1 :  635  enodes  (cost  215 )
0.426 * * [simplify]: iteration  2 :  2636  enodes  (cost  210 )
0.480 * * [simplify]: iteration  3 :  5002  enodes  (cost  210 )
0.482 * [simplify]: Simplified to:
   (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)) (sqrt x)))
  (log (* (sqrt (- x 1.0)) (sqrt x)))
  (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 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))))
  (* (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 (- (pow x 3) (pow 1.0 3))) (sqrt x))
  (* (sqrt (- (* x x) (* 1.0 1.0))) (sqrt x))
  (fma (- (pow x 2)) +nan.0 (* +nan.0 (- (pow x 3) x)))
  (- x (fma 0.125 (/ 1 x) 0.5))
  (- (- (/ +nan.0 x) +nan.0) (/ +nan.0 (pow x 2)))
0.482 * * * [progress]: adding candidates to table
0.556 * * [progress]: iteration 2 / 4
0.556 * * * [progress]: picking best candidate
0.559 * * * * [pick]: Picked  #<alt (λ (x) (- x (fma 0.125 (/ 1 x) 0.5)))>
0.559 * * * [progress]: localizing error
0.565 * * * [progress]: generating rewritten candidates
0.565 * * * [progress]: generating series expansions
0.565 * * * [progress]: simplifying candidates
0.565 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.567 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.567 * [simplify]: Simplified to:
   
0.567 * * * [progress]: adding candidates to table
0.568 * * [progress]: iteration 3 / 4
0.568 * * * [progress]: picking best candidate
0.569 * * * * [pick]: Picked  #<alt (λ (x) (sqrt (* (- x 1.0) x)))>
0.569 * * * [progress]: localizing error
0.573 * * * [progress]: generating rewritten candidates
0.573 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.579 * * * [progress]: generating series expansions
0.579 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.579 * [approximate]: Taking taylor expansion of (sqrt (* (- x 1.0) x)) in (x) around 0
0.579 * [taylor]: Taking taylor expansion of (sqrt (* (- x 1.0) x)) in x
0.579 * [taylor]: Taking taylor expansion of (* (- x 1.0) x) in x
0.579 * [taylor]: Taking taylor expansion of (- x 1.0) in x
0.579 * [taylor]: Taking taylor expansion of x in x
0.579 * [taylor]: Taking taylor expansion of 1.0 in x
0.579 * [taylor]: Taking taylor expansion of x in x
0.587 * [taylor]: Taking taylor expansion of (sqrt (* (- x 1.0) x)) in x
0.587 * [taylor]: Taking taylor expansion of (* (- x 1.0) x) in x
0.587 * [taylor]: Taking taylor expansion of (- x 1.0) in x
0.587 * [taylor]: Taking taylor expansion of x in x
0.587 * [taylor]: Taking taylor expansion of 1.0 in x
0.587 * [taylor]: Taking taylor expansion of x in x
0.598 * [approximate]: Taking taylor expansion of (sqrt (/ (- (/ 1 x) 1.0) x)) in (x) around 0
0.598 * [taylor]: Taking taylor expansion of (sqrt (/ (- (/ 1 x) 1.0) x)) in x
0.598 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) 1.0) x) in x
0.598 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1.0) in x
0.598 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.598 * [taylor]: Taking taylor expansion of x in x
0.598 * [taylor]: Taking taylor expansion of 1.0 in x
0.598 * [taylor]: Taking taylor expansion of x in x
0.603 * [taylor]: Taking taylor expansion of (sqrt (/ (- (/ 1 x) 1.0) x)) in x
0.603 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) 1.0) x) in x
0.603 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1.0) in x
0.603 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.603 * [taylor]: Taking taylor expansion of x in x
0.603 * [taylor]: Taking taylor expansion of 1.0 in x
0.603 * [taylor]: Taking taylor expansion of x in x
0.611 * [approximate]: Taking taylor expansion of (sqrt (/ (+ 1.0 (/ 1 x)) x)) in (x) around 0
0.611 * [taylor]: Taking taylor expansion of (sqrt (/ (+ 1.0 (/ 1 x)) x)) in x
0.611 * [taylor]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) x) in x
0.611 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.611 * [taylor]: Taking taylor expansion of 1.0 in x
0.611 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.611 * [taylor]: Taking taylor expansion of x in x
0.612 * [taylor]: Taking taylor expansion of x in x
0.615 * [taylor]: Taking taylor expansion of (sqrt (/ (+ 1.0 (/ 1 x)) x)) in x
0.615 * [taylor]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) x) in x
0.615 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.615 * [taylor]: Taking taylor expansion of 1.0 in x
0.615 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.615 * [taylor]: Taking taylor expansion of x in x
0.615 * [taylor]: Taking taylor expansion of x in x
0.622 * * * [progress]: simplifying candidates
0.622 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (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 (pow x 2)) (- (+ (* +nan.0 (pow x 3)) (- (* +nan.0 x))))))
  (- x (+ 0.5 (* 0.125 (/ 1 x))))
  (- (+ 0.5 (* 0.125 (/ 1 x))) x)
0.626 * * [simplify]: iteration  0 :  118  enodes  (cost  82 )
0.628 * * [simplify]: iteration  1 :  306  enodes  (cost  77 )
0.635 * * [simplify]: iteration  2 :  1115  enodes  (cost  74 )
0.659 * * [simplify]: iteration  3 :  4409  enodes  (cost  73 )
0.781 * * [simplify]: iteration  4 :  5001  enodes  (cost  73 )
0.782 * [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)))
  (pow (sqrt (* (- x 1.0) x)) 3)
  (sqrt (- x 1.0))
  (pow x 1/2)
  (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 (fma (- x) x (- (pow x 3) x)))
  (- x (fma 0.125 (/ 1 x) 0.5))
  (fma 0.125 (/ 1 x) (- 0.5 x))
0.782 * * * [progress]: adding candidates to table
0.818 * [progress]: [Phase 3 of 3] Extracting.
0.818 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (sqrt (* (- x 1.0) x)))> #<alt (λ (x) (- x (fma 0.125 (/ 1 x) 0.5)))>)
0.819 * * * [regime-changes]: Trying 1 branch expressions: (x)
0.819 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (sqrt (* (- x 1.0) x)))> #<alt (λ (x) (- x (fma 0.125 (/ 1 x) 0.5)))>)
0.830 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
0.830 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- x (fma 0.125 (/ 1 x) 0.5))
0.831 * * [simplify]: iteration  0 :  9  enodes  (cost  3 )
0.831 * * [simplify]: iteration  1 :  9  enodes  (cost  3 )
0.832 * [simplify]: Simplified to:
   (- x (fma 0.125 (/ 1 x) 0.5))
1.921 * [regime-testing]: Baseline error score: 0.38263687033001537
1.922 * [regime-testing]: Oracle error score: 0.0017502187773471684
1.923 * [regime-testing]: End program error score: 0.38263687033001537