0.832 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.291 * * * [progress]: [2/2] Setting up program.
0.295 * [progress]: [Phase 2 of 3] Improving.
0.297 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (sqrt (- x 1.0)) (sqrt x))
0.300 * * [simplify]: iteration  0 :  9  enodes  (cost  4 )
0.302 * * [simplify]: iteration  1 :  10  enodes  (cost  4 )
0.303 * * [simplify]: iteration  2 :  10  enodes  (cost  4 )
0.304 * [simplify]: Simplified to:
   (* (sqrt (- x 1.0)) (sqrt x))
0.305 * * [progress]: iteration 1 / 4
0.305 * * * [progress]: picking best candidate
0.307 * * * * [pick]: Picked  #<alt (λ (x) (* (sqrt (- x 1.0)) (sqrt x)))>
0.307 * * * [progress]: localizing error
0.315 * * * [progress]: generating rewritten candidates
0.315 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.333 * * * [progress]: generating series expansions
0.333 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.337 * [approximate]: Taking taylor expansion of (sqrt (* (- x 1.0) x)) in (x) around 0
0.338 * [taylor]: Taking taylor expansion of (sqrt (* (- x 1.0) x)) in x
0.338 * [taylor]: Taking taylor expansion of (* (- x 1.0) x) in x
0.338 * [taylor]: Taking taylor expansion of (- x 1.0) in x
0.338 * [taylor]: Taking taylor expansion of x in x
0.338 * [taylor]: Taking taylor expansion of 1.0 in x
0.339 * [taylor]: Taking taylor expansion of x in x
0.344 * [taylor]: Taking taylor expansion of (sqrt (* (- x 1.0) x)) in x
0.344 * [taylor]: Taking taylor expansion of (* (- x 1.0) x) in x
0.344 * [taylor]: Taking taylor expansion of (- x 1.0) in x
0.344 * [taylor]: Taking taylor expansion of x in x
0.344 * [taylor]: Taking taylor expansion of 1.0 in x
0.344 * [taylor]: Taking taylor expansion of x in x
0.357 * [approximate]: Taking taylor expansion of (sqrt (/ (- (/ 1 x) 1.0) x)) in (x) around 0
0.358 * [taylor]: Taking taylor expansion of (sqrt (/ (- (/ 1 x) 1.0) x)) in x
0.358 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) 1.0) x) in x
0.358 * [taylor]: Taking taylor expansion of (- (/ 1 x) 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
0.358 * [taylor]: Taking taylor expansion of 1.0 in x
0.358 * [taylor]: Taking taylor expansion of x in x
0.363 * [taylor]: Taking taylor expansion of (sqrt (/ (- (/ 1 x) 1.0) x)) in x
0.363 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) 1.0) x) in x
0.363 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1.0) in x
0.363 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.363 * [taylor]: Taking taylor expansion of x in x
0.364 * [taylor]: Taking taylor expansion of 1.0 in x
0.364 * [taylor]: Taking taylor expansion of x in x
0.381 * [approximate]: Taking taylor expansion of (* (sqrt (- (+ 1.0 (/ 1 x)))) (sqrt (/ -1 x))) in (x) around 0
0.381 * [taylor]: Taking taylor expansion of (* (sqrt (- (+ 1.0 (/ 1 x)))) (sqrt (/ -1 x))) in x
0.381 * [taylor]: Taking taylor expansion of (sqrt (- (+ 1.0 (/ 1 x)))) in x
0.381 * [taylor]: Taking taylor expansion of (- (+ 1.0 (/ 1 x))) in x
0.381 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.381 * [taylor]: Taking taylor expansion of 1.0 in x
0.381 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.381 * [taylor]: Taking taylor expansion of x in x
0.383 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in x
0.383 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.383 * [taylor]: Taking taylor expansion of -1 in x
0.383 * [taylor]: Taking taylor expansion of x in x
0.385 * [taylor]: Taking taylor expansion of (* (sqrt (- (+ 1.0 (/ 1 x)))) (sqrt (/ -1 x))) in x
0.385 * [taylor]: Taking taylor expansion of (sqrt (- (+ 1.0 (/ 1 x)))) in x
0.385 * [taylor]: Taking taylor expansion of (- (+ 1.0 (/ 1 x))) in x
0.385 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.385 * [taylor]: Taking taylor expansion of 1.0 in x
0.385 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.385 * [taylor]: Taking taylor expansion of x in x
0.387 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in x
0.387 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.387 * [taylor]: Taking taylor expansion of -1 in x
0.387 * [taylor]: Taking taylor expansion of x in x
0.417 * * * [progress]: simplifying candidates
0.417 * [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))
  (- (+ (* +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)))))
0.421 * * [simplify]: iteration  0 :  181  enodes  (cost  216 )
0.424 * * [simplify]: iteration  1 :  610  enodes  (cost  206 )
0.436 * * [simplify]: iteration  2 :  2471  enodes  (cost  201 )
0.489 * * [simplify]: iteration  3 :  5002  enodes  (cost  201 )
0.490 * [simplify]: Simplified to:
   (* (- 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))
  (* +nan.0 (+ (- (pow x 2)) (- (pow x 3) x)))
  (- x (+ 0.5 (* 0.125 (/ 1 x))))
  (- (- (/ +nan.0 x) +nan.0) (/ +nan.0 (pow x 2)))
0.490 * * * [progress]: adding candidates to table
0.557 * * [progress]: iteration 2 / 4
0.557 * * * [progress]: picking best candidate
0.558 * * * * [pick]: Picked  #<alt (λ (x) (- x (+ 0.5 (* 0.125 (/ 1 x)))))>
0.559 * * * [progress]: localizing error
0.564 * * * [progress]: generating rewritten candidates
0.564 * * * [progress]: generating series expansions
0.564 * * * [progress]: simplifying candidates
0.564 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.566 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.567 * [simplify]: Simplified to:
   
0.567 * * * [progress]: adding candidates to table
0.567 * [progress]: [Phase 3 of 3] Extracting.
0.567 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (- x (+ 0.5 (* 0.125 (/ 1 x)))))> #<alt (λ (x) (* (sqrt (- x 1.0)) (sqrt x)))>)
0.568 * * * [regime-changes]: Trying 2 branch expressions: ((* (sqrt (- x 1.0)) (sqrt x)) x)
0.568 * * * * [regimes]: Trying to branch on (* (sqrt (- x 1.0)) (sqrt x)) from (#<alt (λ (x) (- x (+ 0.5 (* 0.125 (/ 1 x)))))> #<alt (λ (x) (* (sqrt (- x 1.0)) (sqrt x)))>)
0.590 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (- x (+ 0.5 (* 0.125 (/ 1 x)))))> #<alt (λ (x) (* (sqrt (- x 1.0)) (sqrt x)))>)
0.600 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
0.601 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- x (+ 0.5 (* 0.125 (/ 1 x))))
0.601 * * [simplify]: iteration  0 :  12  enodes  (cost  4 )
0.601 * * [simplify]: iteration  1 :  12  enodes  (cost  4 )
0.601 * [simplify]: Simplified to:
   (- x (+ 0.5 (* 0.125 (/ 1 x))))
1.724 * [regime-testing]: Baseline error score: 0.3798186115528141
1.725 * [regime-testing]: Oracle error score: 0.00450056257032129
1.726 * [regime-testing]: End program error score: 0.3798186115528141