0.787 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.291 * * * [progress]: [2/2] Setting up program.
0.294 * [progress]: [Phase 2 of 3] Improving.
0.297 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (sqrt (- x 1.0)) (sqrt x))
0.302 * * [simplify]: iteration  0 :  9  enodes  (cost  4 )
0.303 * * [simplify]: iteration  1 :  10  enodes  (cost  4 )
0.304 * * [simplify]: iteration  2 :  10  enodes  (cost  4 )
0.305 * [simplify]: Simplified to:
   (* (sqrt (- x 1.0)) (sqrt x))
0.306 * * [progress]: iteration 1 / 4
0.307 * * * [progress]: picking best candidate
0.309 * * * * [pick]: Picked  #<alt (λ (x) (* (sqrt (- x 1.0)) (sqrt x)))>
0.309 * * * [progress]: localizing error
0.316 * * * [progress]: generating rewritten candidates
0.317 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.330 * * * [progress]: generating series expansions
0.330 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.334 * [approximate]: Taking taylor expansion of (sqrt (* (- x 1.0) x)) in (x) around 0
0.335 * [taylor]: Taking taylor expansion of (sqrt (* (- x 1.0) x)) in x
0.335 * [taylor]: Taking taylor expansion of (* (- x 1.0) x) in x
0.335 * [taylor]: Taking taylor expansion of (- x 1.0) in x
0.335 * [taylor]: Taking taylor expansion of x in x
0.335 * [taylor]: Taking taylor expansion of 1.0 in x
0.335 * [taylor]: Taking taylor expansion of x in x
0.340 * [taylor]: Taking taylor expansion of (sqrt (* (- x 1.0) x)) in x
0.340 * [taylor]: Taking taylor expansion of (* (- x 1.0) x) in x
0.340 * [taylor]: Taking taylor expansion of (- x 1.0) in x
0.341 * [taylor]: Taking taylor expansion of x in x
0.341 * [taylor]: Taking taylor expansion of 1.0 in x
0.341 * [taylor]: Taking taylor expansion of x in x
0.370 * [approximate]: Taking taylor expansion of (sqrt (/ (- (/ 1 x) 1.0) x)) in (x) around 0
0.370 * [taylor]: Taking taylor expansion of (sqrt (/ (- (/ 1 x) 1.0) x)) in x
0.370 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) 1.0) x) in x
0.370 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1.0) in x
0.370 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.370 * [taylor]: Taking taylor expansion of x in x
0.370 * [taylor]: Taking taylor expansion of 1.0 in x
0.370 * [taylor]: Taking taylor expansion of x in x
0.375 * [taylor]: Taking taylor expansion of (sqrt (/ (- (/ 1 x) 1.0) x)) in x
0.375 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) 1.0) x) in x
0.375 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1.0) in x
0.375 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.375 * [taylor]: Taking taylor expansion of x in x
0.375 * [taylor]: Taking taylor expansion of 1.0 in x
0.375 * [taylor]: Taking taylor expansion of x in x
0.383 * [approximate]: Taking taylor expansion of (* (sqrt (- (+ 1.0 (/ 1 x)))) (sqrt (/ -1 x))) in (x) around 0
0.383 * [taylor]: Taking taylor expansion of (* (sqrt (- (+ 1.0 (/ 1 x)))) (sqrt (/ -1 x))) in x
0.383 * [taylor]: Taking taylor expansion of (sqrt (- (+ 1.0 (/ 1 x)))) in x
0.383 * [taylor]: Taking taylor expansion of (- (+ 1.0 (/ 1 x))) in x
0.383 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.383 * [taylor]: Taking taylor expansion of 1.0 in x
0.383 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.383 * [taylor]: Taking taylor expansion of x in x
0.385 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in x
0.385 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.385 * [taylor]: Taking taylor expansion of -1 in x
0.385 * [taylor]: Taking taylor expansion of x in x
0.387 * [taylor]: Taking taylor expansion of (* (sqrt (- (+ 1.0 (/ 1 x)))) (sqrt (/ -1 x))) in x
0.387 * [taylor]: Taking taylor expansion of (sqrt (- (+ 1.0 (/ 1 x)))) in x
0.387 * [taylor]: Taking taylor expansion of (- (+ 1.0 (/ 1 x))) in x
0.387 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.387 * [taylor]: Taking taylor expansion of 1.0 in x
0.387 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.387 * [taylor]: Taking taylor expansion of x in x
0.389 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in x
0.389 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.389 * [taylor]: Taking taylor expansion of -1 in x
0.389 * [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 )
0.490 * * [simplify]: iteration  3 :  5002  enodes  (cost  201 )
0.492 * [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)))
0.492 * * * [progress]: adding candidates to table
0.551 * * [progress]: iteration 2 / 4
0.551 * * * [progress]: picking best candidate
0.554 * * * * [pick]: Picked  #<alt (λ (x) (- x (+ 0.5 (* 0.125 (/ 1 x)))))>
0.554 * * * [progress]: localizing error
0.559 * * * [progress]: generating rewritten candidates
0.559 * * * [progress]: generating series expansions
0.559 * * * [progress]: simplifying candidates
0.560 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.562 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.562 * [simplify]: Simplified to:
   
0.562 * * * [progress]: adding candidates to table
0.562 * * [progress]: iteration 3 / 4
0.562 * * * [progress]: picking best candidate
0.563 * * * * [pick]: Picked  #<alt (λ (x) (sqrt (* (- x 1.0) x)))>
0.563 * * * [progress]: localizing error
0.567 * * * [progress]: generating rewritten candidates
0.567 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.573 * * * [progress]: generating series expansions
0.573 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.573 * [approximate]: Taking taylor expansion of (sqrt (* (- x 1.0) x)) in (x) around 0
0.573 * [taylor]: Taking taylor expansion of (sqrt (* (- x 1.0) x)) in x
0.573 * [taylor]: Taking taylor expansion of (* (- x 1.0) x) in x
0.573 * [taylor]: Taking taylor expansion of (- x 1.0) in x
0.573 * [taylor]: Taking taylor expansion of x in x
0.573 * [taylor]: Taking taylor expansion of 1.0 in x
0.573 * [taylor]: Taking taylor expansion of x in x
0.577 * [taylor]: Taking taylor expansion of (sqrt (* (- x 1.0) x)) in x
0.577 * [taylor]: Taking taylor expansion of (* (- x 1.0) x) in x
0.577 * [taylor]: Taking taylor expansion of (- x 1.0) in x
0.577 * [taylor]: Taking taylor expansion of x in x
0.577 * [taylor]: Taking taylor expansion of 1.0 in x
0.577 * [taylor]: Taking taylor expansion of x in x
0.591 * [approximate]: Taking taylor expansion of (sqrt (/ (- (/ 1 x) 1.0) x)) in (x) around 0
0.591 * [taylor]: Taking taylor expansion of (sqrt (/ (- (/ 1 x) 1.0) x)) in x
0.591 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) 1.0) x) in x
0.591 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1.0) in x
0.591 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.591 * [taylor]: Taking taylor expansion of x in x
0.592 * [taylor]: Taking taylor expansion of 1.0 in x
0.592 * [taylor]: Taking taylor expansion of x in x
0.596 * [taylor]: Taking taylor expansion of (sqrt (/ (- (/ 1 x) 1.0) x)) in x
0.596 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) 1.0) x) in x
0.596 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1.0) in x
0.596 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.596 * [taylor]: Taking taylor expansion of x in x
0.596 * [taylor]: Taking taylor expansion of 1.0 in x
0.596 * [taylor]: Taking taylor expansion of x in x
0.604 * [approximate]: Taking taylor expansion of (sqrt (/ (+ 1.0 (/ 1 x)) x)) in (x) around 0
0.604 * [taylor]: Taking taylor expansion of (sqrt (/ (+ 1.0 (/ 1 x)) x)) in x
0.604 * [taylor]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) x) in x
0.604 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.604 * [taylor]: Taking taylor expansion of 1.0 in x
0.604 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.604 * [taylor]: Taking taylor expansion of x in x
0.604 * [taylor]: Taking taylor expansion of x in x
0.608 * [taylor]: Taking taylor expansion of (sqrt (/ (+ 1.0 (/ 1 x)) x)) in x
0.608 * [taylor]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) x) in x
0.608 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.608 * [taylor]: Taking taylor expansion of 1.0 in x
0.608 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.608 * [taylor]: Taking taylor expansion of x in x
0.608 * [taylor]: Taking taylor expansion of x in x
0.614 * * * [progress]: simplifying candidates
0.615 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (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)
0.618 * * [simplify]: iteration  0 :  111  enodes  (cost  74 )
0.620 * * [simplify]: iteration  1 :  281  enodes  (cost  69 )
0.625 * * [simplify]: iteration  2 :  983  enodes  (cost  68 )
0.648 * * [simplify]: iteration  3 :  3763  enodes  (cost  66 )
0.768 * * [simplify]: iteration  4 :  5001  enodes  (cost  66 )
0.769 * [simplify]: Simplified to:
   (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 (- (- (pow x 3) x) (pow x 2)))
  (- x (+ 0.5 (* 0.125 (/ 1 x))))
  (- (/ 0.125 x) (- x 0.5))
0.770 * * * [progress]: adding candidates to table
0.793 * [progress]: [Phase 3 of 3] Extracting.
0.794 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (- x (+ 0.5 (* 0.125 (/ 1 x)))))> #<alt (λ (x) (sqrt (* (- x 1.0) x)))>)
0.794 * * * [regime-changes]: Trying 1 branch expressions: (x)
0.794 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (- x (+ 0.5 (* 0.125 (/ 1 x)))))> #<alt (λ (x) (sqrt (* (- x 1.0) x)))>)
0.808 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
0.809 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- x (+ 0.5 (* 0.125 (/ 1 x))))
0.809 * * [simplify]: iteration  0 :  12  enodes  (cost  4 )
0.810 * * [simplify]: iteration  1 :  12  enodes  (cost  4 )
0.810 * [simplify]: Simplified to:
   (- x (+ 0.5 (* 0.125 (/ 1 x))))
2.095 * [regime-testing]: Baseline error score: 0.2948846723257853
2.096 * [regime-testing]: Oracle error score: 0.0025003125390673834
2.097 * [regime-testing]: End program error score: 0.2948846723257853