0.686 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.023 * * * [progress]: [2/2] Setting up program.
0.024 * [progress]: [Phase 2 of 3] Improving.
0.025 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (-.f64 (sqrt.f64 (+.f64 x 1)) (sqrt.f64 x))
0.040 * * [simplify]: iteration  0 :  72  enodes  (cost  11 )
0.040 * * [simplify]: iteration  1 :  72  enodes  (cost  11 )
0.040 * [simplify]: Simplified to:
   (-.f64 (sqrt.f64 (+.f64 x 1)) (sqrt.f64 x))
0.042 * * [progress]: iteration 1 / 4
0.042 * * * [progress]: picking best candidate
0.043 * * * * [pick]: Picked  #<alt (λ (x) (-.f64 (sqrt.f64 (+.f64 x 1)) (sqrt.f64 x)))>
0.043 * * * [progress]: localizing error
0.048 * * * [progress]: generating rewritten candidates
0.048 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.056 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.061 * * * [progress]: generating series expansions
0.061 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.061 * [approximate]: Taking taylor expansion of (- (sqrt (+ x 1)) (sqrt x)) in (x) around 0
0.061 * [taylor]: Taking taylor expansion of (- (sqrt (+ x 1)) (sqrt x)) in x
0.061 * [taylor]: Taking taylor expansion of (sqrt (+ x 1)) in x
0.061 * [taylor]: Taking taylor expansion of (+ x 1) in x
0.061 * [taylor]: Taking taylor expansion of x in x
0.061 * [taylor]: Taking taylor expansion of 1 in x
0.061 * [taylor]: Taking taylor expansion of (sqrt x) in x
0.061 * [taylor]: Taking taylor expansion of x in x
0.062 * [taylor]: Taking taylor expansion of (- (sqrt (+ x 1)) (sqrt x)) in x
0.062 * [taylor]: Taking taylor expansion of (sqrt (+ x 1)) in x
0.062 * [taylor]: Taking taylor expansion of (+ x 1) in x
0.062 * [taylor]: Taking taylor expansion of x in x
0.062 * [taylor]: Taking taylor expansion of 1 in x
0.062 * [taylor]: Taking taylor expansion of (sqrt x) in x
0.062 * [taylor]: Taking taylor expansion of x in x
0.063 * [approximate]: Taking taylor expansion of (- (sqrt (+ 1 (/ 1 x))) (sqrt (/ 1 x))) in (x) around 0
0.063 * [taylor]: Taking taylor expansion of (- (sqrt (+ 1 (/ 1 x))) (sqrt (/ 1 x))) in x
0.063 * [taylor]: Taking taylor expansion of (sqrt (+ 1 (/ 1 x))) in x
0.063 * [taylor]: Taking taylor expansion of (+ 1 (/ 1 x)) in x
0.063 * [taylor]: Taking taylor expansion of 1 in x
0.063 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.063 * [taylor]: Taking taylor expansion of x in x
0.063 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in x
0.063 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.063 * [taylor]: Taking taylor expansion of x in x
0.063 * [taylor]: Taking taylor expansion of (- (sqrt (+ 1 (/ 1 x))) (sqrt (/ 1 x))) in x
0.063 * [taylor]: Taking taylor expansion of (sqrt (+ 1 (/ 1 x))) in x
0.063 * [taylor]: Taking taylor expansion of (+ 1 (/ 1 x)) in x
0.063 * [taylor]: Taking taylor expansion of 1 in x
0.063 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.063 * [taylor]: Taking taylor expansion of x in x
0.063 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in x
0.063 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.063 * [taylor]: Taking taylor expansion of x in x
0.068 * [approximate]: Taking taylor expansion of (- (sqrt (- 1 (/ 1 x))) (sqrt (/ -1 x))) in (x) around 0
0.068 * [taylor]: Taking taylor expansion of (- (sqrt (- 1 (/ 1 x))) (sqrt (/ -1 x))) in x
0.068 * [taylor]: Taking taylor expansion of (sqrt (- 1 (/ 1 x))) in x
0.068 * [taylor]: Taking taylor expansion of (- 1 (/ 1 x)) in x
0.068 * [taylor]: Taking taylor expansion of 1 in x
0.068 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.068 * [taylor]: Taking taylor expansion of x in x
0.068 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in x
0.068 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.068 * [taylor]: Taking taylor expansion of -1 in x
0.068 * [taylor]: Taking taylor expansion of x in x
0.068 * [taylor]: Taking taylor expansion of (- (sqrt (- 1 (/ 1 x))) (sqrt (/ -1 x))) in x
0.068 * [taylor]: Taking taylor expansion of (sqrt (- 1 (/ 1 x))) in x
0.068 * [taylor]: Taking taylor expansion of (- 1 (/ 1 x)) in x
0.068 * [taylor]: Taking taylor expansion of 1 in x
0.068 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.068 * [taylor]: Taking taylor expansion of x in x
0.068 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in x
0.068 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.068 * [taylor]: Taking taylor expansion of -1 in x
0.068 * [taylor]: Taking taylor expansion of x in x
0.072 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
0.072 * [approximate]: Taking taylor expansion of (sqrt (+ x 1)) in (x) around 0
0.073 * [taylor]: Taking taylor expansion of (sqrt (+ x 1)) in x
0.073 * [taylor]: Taking taylor expansion of (+ x 1) in x
0.073 * [taylor]: Taking taylor expansion of x in x
0.073 * [taylor]: Taking taylor expansion of 1 in x
0.073 * [taylor]: Taking taylor expansion of (sqrt (+ x 1)) in x
0.073 * [taylor]: Taking taylor expansion of (+ x 1) in x
0.073 * [taylor]: Taking taylor expansion of x in x
0.073 * [taylor]: Taking taylor expansion of 1 in x
0.073 * [approximate]: Taking taylor expansion of (sqrt (+ 1 (/ 1 x))) in (x) around 0
0.073 * [taylor]: Taking taylor expansion of (sqrt (+ 1 (/ 1 x))) in x
0.073 * [taylor]: Taking taylor expansion of (+ 1 (/ 1 x)) in x
0.073 * [taylor]: Taking taylor expansion of 1 in x
0.073 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.073 * [taylor]: Taking taylor expansion of x in x
0.073 * [taylor]: Taking taylor expansion of (sqrt (+ 1 (/ 1 x))) in x
0.073 * [taylor]: Taking taylor expansion of (+ 1 (/ 1 x)) in x
0.073 * [taylor]: Taking taylor expansion of 1 in x
0.073 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.073 * [taylor]: Taking taylor expansion of x in x
0.077 * [approximate]: Taking taylor expansion of (sqrt (- 1 (/ 1 x))) in (x) around 0
0.077 * [taylor]: Taking taylor expansion of (sqrt (- 1 (/ 1 x))) in x
0.078 * [taylor]: Taking taylor expansion of (- 1 (/ 1 x)) in x
0.078 * [taylor]: Taking taylor expansion of 1 in x
0.078 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.078 * [taylor]: Taking taylor expansion of x in x
0.078 * [taylor]: Taking taylor expansion of (sqrt (- 1 (/ 1 x))) in x
0.078 * [taylor]: Taking taylor expansion of (- 1 (/ 1 x)) in x
0.078 * [taylor]: Taking taylor expansion of 1 in x
0.078 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.078 * [taylor]: Taking taylor expansion of x in x
0.079 * * * [progress]: simplifying candidates
0.080 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/.f64 (exp.f64 (sqrt.f64 (+.f64 x 1))) (exp.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 (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)))
  (sqrt.f64 (-.f64 (sqrt.f64 (+.f64 x 1)) (sqrt.f64 x)))
  (sqrt.f64 (-.f64 (sqrt.f64 (+.f64 x 1)) (sqrt.f64 x)))
  (-.f64 (pow.f64 (sqrt.f64 (+.f64 x 1)) 3) (pow.f64 (sqrt.f64 x) 3))
  (+.f64 (*.f64 (sqrt.f64 (+.f64 x 1)) (sqrt.f64 (+.f64 x 1))) (+.f64 (*.f64 (sqrt.f64 x) (sqrt.f64 x)) (*.f64 (sqrt.f64 (+.f64 x 1)) (sqrt.f64 x))))
  (neg.f64 (sqrt.f64 x))
  (-.f64 (*.f64 (sqrt.f64 (+.f64 x 1)) (sqrt.f64 (+.f64 x 1))) (*.f64 (sqrt.f64 x) (sqrt.f64 x)))
  (+.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)) (sqrt.f64 x))
  (-.f64 (sqrt.f64 (+.f64 x 1)) (sqrt.f64 x))
  (-.f64 (sqrt.f64 (+.f64 x 1)) (sqrt.f64 x))
  (log.f64 (sqrt.f64 (+.f64 x 1)))
  (exp.f64 (sqrt.f64 (+.f64 x 1)))
  (*.f64 (cbrt.f64 (sqrt.f64 (+.f64 x 1))) (cbrt.f64 (sqrt.f64 (+.f64 x 1))))
  (cbrt.f64 (sqrt.f64 (+.f64 x 1)))
  (*.f64 (*.f64 (sqrt.f64 (+.f64 x 1)) (sqrt.f64 (+.f64 x 1))) (sqrt.f64 (+.f64 x 1)))
  (sqrt.f64 (*.f64 (cbrt.f64 (+.f64 x 1)) (cbrt.f64 (+.f64 x 1))))
  (sqrt.f64 (cbrt.f64 (+.f64 x 1)))
  (sqrt.f64 (sqrt.f64 (+.f64 x 1)))
  (sqrt.f64 (sqrt.f64 (+.f64 x 1)))
  (sqrt.f64 1)
  (sqrt.f64 (+.f64 x 1))
  (sqrt.f64 1)
  (sqrt.f64 (+.f64 x 1))
  (sqrt.f64 (+.f64 (pow.f64 x 3) (pow.f64 1 3)))
  (sqrt.f64 (+.f64 (*.f64 x x) (-.f64 (*.f64 1 1) (*.f64 x 1))))
  (sqrt.f64 (-.f64 (*.f64 x x) (*.f64 1 1)))
  (sqrt.f64 (-.f64 x 1))
  (/.f64 1 2)
  (sqrt.f64 (sqrt.f64 (+.f64 x 1)))
  (sqrt.f64 (sqrt.f64 (+.f64 x 1)))
  (-.f64 (+.f64 (*.f64 1/2 x) 1) (+.f64 (*.f64 1/8 (pow.f64 x 2)) (+.f64 (*.f64 x NAN.f64) (*.f64 (pow.f64 x 2) (pow.f64 NAN.f64 3)))))
  (-.f64 (+.f64 (/.f64 NAN.f64 x) (+.f64 (*.f64 6 (/.f64 (pow.f64 NAN.f64 5) (pow.f64 x 3))) (/.f64 (pow.f64 NAN.f64 5) (pow.f64 x 2)))) (+.f64 (/.f64 (pow.f64 NAN.f64 3) (pow.f64 x 3)) (+.f64 (*.f64 2 (/.f64 (pow.f64 NAN.f64 3) (pow.f64 x 2))) (+.f64 (*.f64 2 (/.f64 (pow.f64 NAN.f64 3) x)) (*.f64 6 (/.f64 (pow.f64 NAN.f64 7) (pow.f64 x 3)))))))
  (-.f64 (+.f64 (/.f64 (pow.f64 NAN.f64 3) (pow.f64 x 3)) (+.f64 (*.f64 2 (/.f64 (pow.f64 NAN.f64 3) x)) (+.f64 (*.f64 6 (/.f64 (pow.f64 NAN.f64 7) (pow.f64 x 3))) (/.f64 (pow.f64 NAN.f64 5) (pow.f64 x 2))))) (+.f64 (/.f64 NAN.f64 x) (+.f64 (*.f64 6 (/.f64 (pow.f64 NAN.f64 5) (pow.f64 x 3))) (*.f64 2 (/.f64 (pow.f64 NAN.f64 3) (pow.f64 x 2))))))
  (-.f64 (+.f64 (*.f64 1/2 x) 1) (*.f64 1/8 (pow.f64 x 2)))
  (-.f64 (+.f64 (/.f64 NAN.f64 x) (+.f64 NAN.f64 (*.f64 2 (/.f64 (pow.f64 NAN.f64 5) (pow.f64 x 2))))) (+.f64 (/.f64 (pow.f64 NAN.f64 3) x) (*.f64 2 (/.f64 (pow.f64 NAN.f64 3) (pow.f64 x 2)))))
  (-.f64 (+.f64 (/.f64 (pow.f64 NAN.f64 3) x) (+.f64 NAN.f64 (*.f64 2 (/.f64 (pow.f64 NAN.f64 5) (pow.f64 x 2))))) (+.f64 (/.f64 NAN.f64 x) (*.f64 2 (/.f64 (pow.f64 NAN.f64 3) (pow.f64 x 2)))))
0.159 * * [simplify]: iteration  0 :  5008  enodes  (cost  774 )
0.163 * [simplify]: Simplified to:
   (exp.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)))
  (*.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)
  (sqrt.f64 (-.f64 (sqrt.f64 (+.f64 x 1)) (sqrt.f64 x)))
  (sqrt.f64 (-.f64 (sqrt.f64 (+.f64 x 1)) (sqrt.f64 x)))
  (-.f64 (pow.f64 (sqrt.f64 (+.f64 x 1)) 3) (pow.f64 x 3/2))
  (+.f64 (+.f64 x 1) (+.f64 x (*.f64 (sqrt.f64 (+.f64 x 1)) (sqrt.f64 x))))
  (neg.f64 (sqrt.f64 x))
  1
  (+.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)) (sqrt.f64 x))
  (-.f64 (sqrt.f64 (+.f64 x 1)) (sqrt.f64 x))
  (-.f64 (sqrt.f64 (+.f64 x 1)) (sqrt.f64 x))
  (log.f64 (sqrt.f64 (+.f64 x 1)))
  (exp.f64 (sqrt.f64 (+.f64 x 1)))
  (*.f64 (cbrt.f64 (sqrt.f64 (+.f64 x 1))) (cbrt.f64 (sqrt.f64 (+.f64 x 1))))
  (cbrt.f64 (sqrt.f64 (+.f64 x 1)))
  (pow.f64 (sqrt.f64 (+.f64 x 1)) 3)
  (fabs.f64 (cbrt.f64 (+.f64 x 1)))
  (sqrt.f64 (cbrt.f64 (+.f64 x 1)))
  (sqrt.f64 (sqrt.f64 (+.f64 x 1)))
  (sqrt.f64 (sqrt.f64 (+.f64 x 1)))
  1
  (sqrt.f64 (+.f64 x 1))
  1
  (sqrt.f64 (+.f64 x 1))
  (sqrt.f64 (+.f64 1 (pow.f64 x 3)))
  (sqrt.f64 (+.f64 (*.f64 x x) (-.f64 1 x)))
  (sqrt.f64 (-.f64 (*.f64 x x) 1))
  (sqrt.f64 (-.f64 x 1))
  1/2
  (sqrt.f64 (sqrt.f64 (+.f64 x 1)))
  (sqrt.f64 (sqrt.f64 (+.f64 x 1)))
  (+.f64 1 (-.f64 (-.f64 (*.f64 x 1/2) (*.f64 x (NAN.f64))) (*.f64 (*.f64 x x) (+.f64 1/8 (pow.f64 (NAN.f64) 3)))))
  (+.f64 (-.f64 (+.f64 (/.f64 (NAN.f64) x) (*.f64 (+.f64 (/.f64 6 x) 1) (/.f64 (pow.f64 (NAN.f64) 5) (*.f64 x x)))) (+.f64 (pow.f64 (/.f64 (NAN.f64) x) 3) (*.f64 (/.f64 (pow.f64 (NAN.f64) 3) x) (+.f64 (/.f64 2 x) 2)))) (*.f64 -6 (/.f64 (pow.f64 (NAN.f64) 7) (pow.f64 x 3))))
  (-.f64 (+.f64 (pow.f64 (/.f64 (NAN.f64) x) 3) (+.f64 (/.f64 (pow.f64 (NAN.f64) 5) (*.f64 x x)) (+.f64 (*.f64 2 (/.f64 (pow.f64 (NAN.f64) 3) x)) (*.f64 6 (/.f64 (pow.f64 (NAN.f64) 7) (pow.f64 x 3)))))) (+.f64 (/.f64 (NAN.f64) x) (+.f64 (*.f64 6 (/.f64 (pow.f64 (NAN.f64) 5) (pow.f64 x 3))) (*.f64 2 (/.f64 (pow.f64 (NAN.f64) 3) (*.f64 x x))))))
  (+.f64 1 (*.f64 x (+.f64 1/2 (*.f64 -1/8 x))))
  (-.f64 (+.f64 (/.f64 (NAN.f64) x) (+.f64 (NAN.f64) (*.f64 2 (/.f64 (pow.f64 (NAN.f64) 5) (*.f64 x x))))) (*.f64 (+.f64 (/.f64 2 x) 1) (/.f64 (pow.f64 (NAN.f64) 3) x)))
  (-.f64 (+.f64 (/.f64 (pow.f64 (NAN.f64) 3) x) (+.f64 (NAN.f64) (*.f64 2 (/.f64 (pow.f64 (NAN.f64) 5) (*.f64 x x))))) (+.f64 (/.f64 (NAN.f64) x) (*.f64 2 (/.f64 (pow.f64 (NAN.f64) 3) (*.f64 x x)))))
0.163 * * * [progress]: adding candidates to table