0.733 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.024 * * * [progress]: [2/2] Setting up program.
0.028 * [progress]: [Phase 2 of 3] Improving.
0.030 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (neg (log (- (/ 1.0 x) 1.0)))
0.582 * * [simplify]: iteration  0 :  8  enodes  (cost  4 )
0.583 * * [simplify]: iteration  1 :  9  enodes  (cost  4 )
0.584 * * [simplify]: iteration  2 :  9  enodes  (cost  4 )
0.585 * [simplify]: Simplified to:
   (neg (log (- (/ 1.0 x) 1.0)))
0.587 * * [progress]: iteration 1 / 4
0.587 * * * [progress]: picking best candidate
0.589 * * * * [pick]: Picked  #<alt (λ (x) (neg (log (- (/ 1.0 x) 1.0))))>
0.589 * * * [progress]: localizing error
0.597 * * * [progress]: generating rewritten candidates
0.597 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1)
0.620 * * * [progress]: generating series expansions
0.620 * * * * [progress]: [ 1 / 1 ] generating series at (2 1)
0.624 * [approximate]: Taking taylor expansion of (log (- (* 1.0 (/ 1 x)) 1.0)) in (x) around 0
0.625 * [taylor]: Taking taylor expansion of (log (- (* 1.0 (/ 1 x)) 1.0)) in x
0.625 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) 1.0) in x
0.625 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.625 * [taylor]: Taking taylor expansion of 1.0 in x
0.625 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.625 * [taylor]: Taking taylor expansion of x in x
0.626 * [taylor]: Taking taylor expansion of 1.0 in x
0.626 * [taylor]: Taking taylor expansion of (log (- (* 1.0 (/ 1 x)) 1.0)) in x
0.626 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) 1.0) in x
0.626 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.626 * [taylor]: Taking taylor expansion of 1.0 in x
0.626 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.626 * [taylor]: Taking taylor expansion of x in x
0.626 * [taylor]: Taking taylor expansion of 1.0 in x
0.630 * [approximate]: Taking taylor expansion of (log (- (* 1.0 x) 1.0)) in (x) around 0
0.630 * [taylor]: Taking taylor expansion of (log (- (* 1.0 x) 1.0)) in x
0.630 * [taylor]: Taking taylor expansion of (- (* 1.0 x) 1.0) in x
0.630 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
0.630 * [taylor]: Taking taylor expansion of 1.0 in x
0.630 * [taylor]: Taking taylor expansion of x in x
0.630 * [taylor]: Taking taylor expansion of 1.0 in x
0.630 * [taylor]: Taking taylor expansion of (log (- (* 1.0 x) 1.0)) in x
0.630 * [taylor]: Taking taylor expansion of (- (* 1.0 x) 1.0) in x
0.630 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
0.630 * [taylor]: Taking taylor expansion of 1.0 in x
0.630 * [taylor]: Taking taylor expansion of x in x
0.630 * [taylor]: Taking taylor expansion of 1.0 in x
0.631 * [approximate]: Taking taylor expansion of (log (neg (+ (* 1.0 x) 1.0))) in (x) around 0
0.631 * [taylor]: Taking taylor expansion of (log (neg (+ (* 1.0 x) 1.0))) in x
0.631 * [taylor]: Taking taylor expansion of (neg (+ (* 1.0 x) 1.0)) in x
0.631 * [taylor]: Taking taylor expansion of (+ (* 1.0 x) 1.0) in x
0.631 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
0.631 * [taylor]: Taking taylor expansion of 1.0 in x
0.631 * [taylor]: Taking taylor expansion of x in x
0.631 * [taylor]: Taking taylor expansion of 1.0 in x
0.631 * [taylor]: Taking taylor expansion of (log (neg (+ (* 1.0 x) 1.0))) in x
0.631 * [taylor]: Taking taylor expansion of (neg (+ (* 1.0 x) 1.0)) in x
0.631 * [taylor]: Taking taylor expansion of (+ (* 1.0 x) 1.0) in x
0.631 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
0.631 * [taylor]: Taking taylor expansion of 1.0 in x
0.631 * [taylor]: Taking taylor expansion of x in x
0.631 * [taylor]: Taking taylor expansion of 1.0 in x
0.632 * * * [progress]: simplifying candidates
0.632 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (log (* (cbrt (- (/ 1.0 x) 1.0)) (cbrt (- (/ 1.0 x) 1.0))))
  (log (cbrt (- (/ 1.0 x) 1.0)))
  (log (sqrt (- (/ 1.0 x) 1.0)))
  (log (sqrt (- (/ 1.0 x) 1.0)))
  (log 1)
  (log (- (/ 1.0 x) 1.0))
  (log (+ (sqrt (/ 1.0 x)) (sqrt 1.0)))
  (log (- (sqrt (/ 1.0 x)) (sqrt 1.0)))
  (log (+ (/ (sqrt 1.0) (sqrt x)) (sqrt 1.0)))
  (log (- (/ (sqrt 1.0) (sqrt x)) (sqrt 1.0)))
  (log 1)
  (log (- (/ 1.0 x) 1.0))
  (log (- (pow (/ 1.0 x) 3) (pow 1.0 3)))
  (log (+ (* (/ 1.0 x) (/ 1.0 x)) (+ (* 1.0 1.0) (* (/ 1.0 x) 1.0))))
  (log (- (* (/ 1.0 x) (/ 1.0 x)) (* 1.0 1.0)))
  (log (+ (/ 1.0 x) 1.0))
  (log (- (/ 1.0 x) 1.0))
  (log (log (- (/ 1.0 x) 1.0)))
  (exp (log (- (/ 1.0 x) 1.0)))
  (* (cbrt (log (- (/ 1.0 x) 1.0))) (cbrt (log (- (/ 1.0 x) 1.0))))
  (cbrt (log (- (/ 1.0 x) 1.0)))
  (* (* (log (- (/ 1.0 x) 1.0)) (log (- (/ 1.0 x) 1.0))) (log (- (/ 1.0 x) 1.0)))
  (sqrt (log (- (/ 1.0 x) 1.0)))
  (sqrt (log (- (/ 1.0 x) 1.0)))
  (- (log 1.0) (+ (log x) (+ (* 1.0 x) (* 0.5 (/ (pow x 2) (pow 1.0 2))))))
  (- (log (neg 1.0)) (+ (* 0.5 (/ 1 (* (pow x 2) (pow -1.0 2)))) (* 1.0 (/ 1 x))))
  (- (log (neg 1.0)) (+ (* 1/2 (/ 1 (pow x 2))) (* 1.0 (/ 1 x))))
0.635 * * [simplify]: iteration  0 :  153  enodes  (cost  144 )
0.638 * * [simplify]: iteration  1 :  424  enodes  (cost  131 )
0.644 * * [simplify]: iteration  2 :  1814  enodes  (cost  129 )
0.690 * * [simplify]: iteration  3 :  5001  enodes  (cost  129 )
0.691 * [simplify]: Simplified to:
   (* 2 (log (cbrt (- (/ 1.0 x) 1.0))))
  (log (cbrt (- (/ 1.0 x) 1.0)))
  (log (sqrt (- (/ 1.0 x) 1.0)))
  (log (sqrt (- (/ 1.0 x) 1.0)))
  0
  (log (- (/ 1.0 x) 1.0))
  (log (+ (sqrt (/ 1.0 x)) (sqrt 1.0)))
  (log (- (sqrt (/ 1.0 x)) (sqrt 1.0)))
  (log (+ (/ (sqrt 1.0) (sqrt x)) (sqrt 1.0)))
  (log (- (/ (sqrt 1.0) (sqrt x)) (sqrt 1.0)))
  0
  (log (- (/ 1.0 x) 1.0))
  (log (- (pow (/ 1.0 x) 3) (pow 1.0 3)))
  (log (+ (* (/ 1.0 x) (/ 1.0 x)) (+ (* 1.0 1.0) (* (/ 1.0 x) 1.0))))
  (log (- (* (/ 1.0 x) (/ 1.0 x)) (* 1.0 1.0)))
  (log (+ (/ 1.0 x) 1.0))
  (log (- (/ 1.0 x) 1.0))
  (log (log (- (/ 1.0 x) 1.0)))
  (- (/ 1.0 x) 1.0)
  (* (cbrt (log (- (/ 1.0 x) 1.0))) (cbrt (log (- (/ 1.0 x) 1.0))))
  (cbrt (log (- (/ 1.0 x) 1.0)))
  (pow (log (- (/ 1.0 x) 1.0)) 3)
  (sqrt (log (- (/ 1.0 x) 1.0)))
  (sqrt (log (- (/ 1.0 x) 1.0)))
  (- (log 1.0) (+ (log x) (+ (* 1.0 x) (* 0.5 (/ (pow x 2) (pow 1.0 2))))))
  (- (log (neg 1.0)) (- (/ (/ 0.5 (pow -1.0 2)) (pow x 2)) (/ (neg 1.0) x)))
  (+ (log (neg 1.0)) (- (/ -1/2 (pow x 2)) (/ 1.0 x)))
0.691 * * * [progress]: adding candidates to table
0.728 * * [progress]: iteration 2 / 4
0.728 * * * [progress]: picking best candidate
0.731 * * * * [pick]: Picked  #<alt (λ (x) (neg (+ (log (sqrt (- (/ 1.0 x) 1.0))) (log (sqrt (- (/ 1.0 x) 1.0))))))>
0.731 * * * [progress]: localizing error
0.739 * * * [progress]: generating rewritten candidates
0.739 * * * * [progress]: [ 1 / 2 ] rewriting at (2 1 2 1)
0.750 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1 1 1)
0.757 * * * [progress]: generating series expansions
0.757 * * * * [progress]: [ 1 / 2 ] generating series at (2 1 2 1)
0.757 * [approximate]: Taking taylor expansion of (sqrt (- (* 1.0 (/ 1 x)) 1.0)) in (x) around 0
0.757 * [taylor]: Taking taylor expansion of (sqrt (- (* 1.0 (/ 1 x)) 1.0)) in x
0.757 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) 1.0) in x
0.757 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.758 * [taylor]: Taking taylor expansion of 1.0 in x
0.758 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.758 * [taylor]: Taking taylor expansion of x in x
0.758 * [taylor]: Taking taylor expansion of 1.0 in x
0.758 * [taylor]: Taking taylor expansion of (sqrt (- (* 1.0 (/ 1 x)) 1.0)) in x
0.758 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) 1.0) in x
0.758 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.758 * [taylor]: Taking taylor expansion of 1.0 in x
0.758 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.758 * [taylor]: Taking taylor expansion of x in x
0.758 * [taylor]: Taking taylor expansion of 1.0 in x
0.760 * [approximate]: Taking taylor expansion of (sqrt (- (* 1.0 x) 1.0)) in (x) around 0
0.760 * [taylor]: Taking taylor expansion of (sqrt (- (* 1.0 x) 1.0)) in x
0.760 * [taylor]: Taking taylor expansion of (- (* 1.0 x) 1.0) in x
0.760 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
0.760 * [taylor]: Taking taylor expansion of 1.0 in x
0.760 * [taylor]: Taking taylor expansion of x in x
0.760 * [taylor]: Taking taylor expansion of 1.0 in x
0.760 * [taylor]: Taking taylor expansion of (sqrt (- (* 1.0 x) 1.0)) in x
0.760 * [taylor]: Taking taylor expansion of (- (* 1.0 x) 1.0) in x
0.760 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
0.760 * [taylor]: Taking taylor expansion of 1.0 in x
0.760 * [taylor]: Taking taylor expansion of x in x
0.760 * [taylor]: Taking taylor expansion of 1.0 in x
0.761 * [approximate]: Taking taylor expansion of (sqrt (neg (+ (* 1.0 x) 1.0))) in (x) around 0
0.761 * [taylor]: Taking taylor expansion of (sqrt (neg (+ (* 1.0 x) 1.0))) in x
0.761 * [taylor]: Taking taylor expansion of (neg (+ (* 1.0 x) 1.0)) in x
0.761 * [taylor]: Taking taylor expansion of (+ (* 1.0 x) 1.0) in x
0.761 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
0.761 * [taylor]: Taking taylor expansion of 1.0 in x
0.761 * [taylor]: Taking taylor expansion of x in x
0.761 * [taylor]: Taking taylor expansion of 1.0 in x
0.761 * [taylor]: Taking taylor expansion of (sqrt (neg (+ (* 1.0 x) 1.0))) in x
0.761 * [taylor]: Taking taylor expansion of (neg (+ (* 1.0 x) 1.0)) in x
0.761 * [taylor]: Taking taylor expansion of (+ (* 1.0 x) 1.0) in x
0.761 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
0.761 * [taylor]: Taking taylor expansion of 1.0 in x
0.761 * [taylor]: Taking taylor expansion of x in x
0.761 * [taylor]: Taking taylor expansion of 1.0 in x
0.762 * * * * [progress]: [ 2 / 2 ] generating series at (2 1 1 1)
0.762 * [approximate]: Taking taylor expansion of (sqrt (- (* 1.0 (/ 1 x)) 1.0)) in (x) around 0
0.762 * [taylor]: Taking taylor expansion of (sqrt (- (* 1.0 (/ 1 x)) 1.0)) in x
0.762 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) 1.0) in x
0.762 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.762 * [taylor]: Taking taylor expansion of 1.0 in x
0.762 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.762 * [taylor]: Taking taylor expansion of x in x
0.762 * [taylor]: Taking taylor expansion of 1.0 in x
0.762 * [taylor]: Taking taylor expansion of (sqrt (- (* 1.0 (/ 1 x)) 1.0)) in x
0.762 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) 1.0) in x
0.762 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.762 * [taylor]: Taking taylor expansion of 1.0 in x
0.762 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.762 * [taylor]: Taking taylor expansion of x in x
0.762 * [taylor]: Taking taylor expansion of 1.0 in x
0.764 * [approximate]: Taking taylor expansion of (sqrt (- (* 1.0 x) 1.0)) in (x) around 0
0.764 * [taylor]: Taking taylor expansion of (sqrt (- (* 1.0 x) 1.0)) in x
0.764 * [taylor]: Taking taylor expansion of (- (* 1.0 x) 1.0) in x
0.764 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
0.764 * [taylor]: Taking taylor expansion of 1.0 in x
0.764 * [taylor]: Taking taylor expansion of x in x
0.764 * [taylor]: Taking taylor expansion of 1.0 in x
0.764 * [taylor]: Taking taylor expansion of (sqrt (- (* 1.0 x) 1.0)) in x
0.764 * [taylor]: Taking taylor expansion of (- (* 1.0 x) 1.0) in x
0.764 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
0.764 * [taylor]: Taking taylor expansion of 1.0 in x
0.764 * [taylor]: Taking taylor expansion of x in x
0.764 * [taylor]: Taking taylor expansion of 1.0 in x
0.765 * [approximate]: Taking taylor expansion of (sqrt (neg (+ (* 1.0 x) 1.0))) in (x) around 0
0.765 * [taylor]: Taking taylor expansion of (sqrt (neg (+ (* 1.0 x) 1.0))) in x
0.765 * [taylor]: Taking taylor expansion of (neg (+ (* 1.0 x) 1.0)) in x
0.765 * [taylor]: Taking taylor expansion of (+ (* 1.0 x) 1.0) in x
0.765 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
0.765 * [taylor]: Taking taylor expansion of 1.0 in x
0.765 * [taylor]: Taking taylor expansion of x in x
0.765 * [taylor]: Taking taylor expansion of 1.0 in x
0.765 * [taylor]: Taking taylor expansion of (sqrt (neg (+ (* 1.0 x) 1.0))) in x
0.765 * [taylor]: Taking taylor expansion of (neg (+ (* 1.0 x) 1.0)) in x
0.765 * [taylor]: Taking taylor expansion of (+ (* 1.0 x) 1.0) in x
0.765 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
0.765 * [taylor]: Taking taylor expansion of 1.0 in x
0.765 * [taylor]: Taking taylor expansion of x in x
0.765 * [taylor]: Taking taylor expansion of 1.0 in x
0.766 * * * [progress]: simplifying candidates
0.766 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (log (sqrt (- (/ 1.0 x) 1.0)))
  (exp (sqrt (- (/ 1.0 x) 1.0)))
  (* (cbrt (sqrt (- (/ 1.0 x) 1.0))) (cbrt (sqrt (- (/ 1.0 x) 1.0))))
  (cbrt (sqrt (- (/ 1.0 x) 1.0)))
  (* (* (sqrt (- (/ 1.0 x) 1.0)) (sqrt (- (/ 1.0 x) 1.0))) (sqrt (- (/ 1.0 x) 1.0)))
  (sqrt (* (cbrt (- (/ 1.0 x) 1.0)) (cbrt (- (/ 1.0 x) 1.0))))
  (sqrt (cbrt (- (/ 1.0 x) 1.0)))
  (sqrt (sqrt (- (/ 1.0 x) 1.0)))
  (sqrt (sqrt (- (/ 1.0 x) 1.0)))
  (sqrt 1)
  (sqrt (- (/ 1.0 x) 1.0))
  (sqrt (+ (sqrt (/ 1.0 x)) (sqrt 1.0)))
  (sqrt (- (sqrt (/ 1.0 x)) (sqrt 1.0)))
  (sqrt (+ (/ (sqrt 1.0) (sqrt x)) (sqrt 1.0)))
  (sqrt (- (/ (sqrt 1.0) (sqrt x)) (sqrt 1.0)))
  (sqrt 1)
  (sqrt (- (/ 1.0 x) 1.0))
  (sqrt (- (pow (/ 1.0 x) 3) (pow 1.0 3)))
  (sqrt (+ (* (/ 1.0 x) (/ 1.0 x)) (+ (* 1.0 1.0) (* (/ 1.0 x) 1.0))))
  (sqrt (- (* (/ 1.0 x) (/ 1.0 x)) (* 1.0 1.0)))
  (sqrt (+ (/ 1.0 x) 1.0))
  (/ 1 2)
  (sqrt (sqrt (- (/ 1.0 x) 1.0)))
  (sqrt (sqrt (- (/ 1.0 x) 1.0)))
  (log (sqrt (- (/ 1.0 x) 1.0)))
  (exp (sqrt (- (/ 1.0 x) 1.0)))
  (* (cbrt (sqrt (- (/ 1.0 x) 1.0))) (cbrt (sqrt (- (/ 1.0 x) 1.0))))
  (cbrt (sqrt (- (/ 1.0 x) 1.0)))
  (* (* (sqrt (- (/ 1.0 x) 1.0)) (sqrt (- (/ 1.0 x) 1.0))) (sqrt (- (/ 1.0 x) 1.0)))
  (sqrt (* (cbrt (- (/ 1.0 x) 1.0)) (cbrt (- (/ 1.0 x) 1.0))))
  (sqrt (cbrt (- (/ 1.0 x) 1.0)))
  (sqrt (sqrt (- (/ 1.0 x) 1.0)))
  (sqrt (sqrt (- (/ 1.0 x) 1.0)))
  (sqrt 1)
  (sqrt (- (/ 1.0 x) 1.0))
  (sqrt (+ (sqrt (/ 1.0 x)) (sqrt 1.0)))
  (sqrt (- (sqrt (/ 1.0 x)) (sqrt 1.0)))
  (sqrt (+ (/ (sqrt 1.0) (sqrt x)) (sqrt 1.0)))
  (sqrt (- (/ (sqrt 1.0) (sqrt x)) (sqrt 1.0)))
  (sqrt 1)
  (sqrt (- (/ 1.0 x) 1.0))
  (sqrt (- (pow (/ 1.0 x) 3) (pow 1.0 3)))
  (sqrt (+ (* (/ 1.0 x) (/ 1.0 x)) (+ (* 1.0 1.0) (* (/ 1.0 x) 1.0))))
  (sqrt (- (* (/ 1.0 x) (/ 1.0 x)) (* 1.0 1.0)))
  (sqrt (+ (/ 1.0 x) 1.0))
  (/ 1 2)
  (sqrt (sqrt (- (/ 1.0 x) 1.0)))
  (sqrt (sqrt (- (/ 1.0 x) 1.0)))
  (+ NAN (+ (* 2 (* (pow x 2) (pow NAN 5))) (+ (* 1.0 (* x NAN)) (+ (* x (pow NAN 3)) (* 2.0 (* (pow x 2) (pow NAN 3)))))))
  (- (+ (* 0.5 (/ 1 (* x (sqrt (neg 1.0))))) (sqrt (neg 1.0))) (* 0.125 (/ 1 (* (pow x 2) (pow (sqrt (neg 1.0)) 3)))))
  (- (+ (* 0.5 (/ 1 (* x (sqrt (neg 1.0))))) (sqrt (neg 1.0))) (* 0.125 (/ 1 (* (pow x 2) (pow (sqrt (neg 1.0)) 3)))))
  (+ NAN (+ (* 2 (* (pow x 2) (pow NAN 5))) (+ (* 1.0 (* x NAN)) (+ (* x (pow NAN 3)) (* 2.0 (* (pow x 2) (pow NAN 3)))))))
  (- (+ (* 0.5 (/ 1 (* x (sqrt (neg 1.0))))) (sqrt (neg 1.0))) (* 0.125 (/ 1 (* (pow x 2) (pow (sqrt (neg 1.0)) 3)))))
  (- (+ (* 0.5 (/ 1 (* x (sqrt (neg 1.0))))) (sqrt (neg 1.0))) (* 0.125 (/ 1 (* (pow x 2) (pow (sqrt (neg 1.0)) 3)))))
0.770 * * [simplify]: iteration  0 :  170  enodes  (cost  304 )
0.773 * * [simplify]: iteration  1 :  499  enodes  (cost  292 )
0.782 * * [simplify]: iteration  2 :  1991  enodes  (cost  286 )
0.823 * * [simplify]: iteration  3 :  5002  enodes  (cost  282 )
0.825 * [simplify]: Simplified to:
   (log (sqrt (- (/ 1.0 x) 1.0)))
  (exp (sqrt (- (/ 1.0 x) 1.0)))
  (* (cbrt (sqrt (- (/ 1.0 x) 1.0))) (cbrt (sqrt (- (/ 1.0 x) 1.0))))
  (cbrt (sqrt (- (/ 1.0 x) 1.0)))
  (pow (sqrt (- (/ 1.0 x) 1.0)) 3)
  (fabs (cbrt (- (/ 1.0 x) 1.0)))
  (sqrt (cbrt (- (/ 1.0 x) 1.0)))
  (sqrt (sqrt (- (/ 1.0 x) 1.0)))
  (sqrt (sqrt (- (/ 1.0 x) 1.0)))
  1
  (sqrt (- (/ 1.0 x) 1.0))
  (sqrt (+ (sqrt (/ 1.0 x)) (sqrt 1.0)))
  (sqrt (- (sqrt (/ 1.0 x)) (sqrt 1.0)))
  (sqrt (+ (/ (sqrt 1.0) (sqrt x)) (sqrt 1.0)))
  (sqrt (- (/ (sqrt 1.0) (sqrt x)) (sqrt 1.0)))
  1
  (sqrt (- (/ 1.0 x) 1.0))
  (sqrt (- (pow (/ 1.0 x) 3) (pow 1.0 3)))
  (sqrt (+ (* (/ 1.0 x) (/ 1.0 x)) (+ (* 1.0 1.0) (* (/ 1.0 x) 1.0))))
  (sqrt (- (* (/ 1.0 x) (/ 1.0 x)) (* 1.0 1.0)))
  (sqrt (+ (/ 1.0 x) 1.0))
  1/2
  (sqrt (sqrt (- (/ 1.0 x) 1.0)))
  (sqrt (sqrt (- (/ 1.0 x) 1.0)))
  (log (sqrt (- (/ 1.0 x) 1.0)))
  (exp (sqrt (- (/ 1.0 x) 1.0)))
  (* (cbrt (sqrt (- (/ 1.0 x) 1.0))) (cbrt (sqrt (- (/ 1.0 x) 1.0))))
  (cbrt (sqrt (- (/ 1.0 x) 1.0)))
  (pow (sqrt (- (/ 1.0 x) 1.0)) 3)
  (fabs (cbrt (- (/ 1.0 x) 1.0)))
  (sqrt (cbrt (- (/ 1.0 x) 1.0)))
  (sqrt (sqrt (- (/ 1.0 x) 1.0)))
  (sqrt (sqrt (- (/ 1.0 x) 1.0)))
  1
  (sqrt (- (/ 1.0 x) 1.0))
  (sqrt (+ (sqrt (/ 1.0 x)) (sqrt 1.0)))
  (sqrt (- (sqrt (/ 1.0 x)) (sqrt 1.0)))
  (sqrt (+ (/ (sqrt 1.0) (sqrt x)) (sqrt 1.0)))
  (sqrt (- (/ (sqrt 1.0) (sqrt x)) (sqrt 1.0)))
  1
  (sqrt (- (/ 1.0 x) 1.0))
  (sqrt (- (pow (/ 1.0 x) 3) (pow 1.0 3)))
  (sqrt (+ (* (/ 1.0 x) (/ 1.0 x)) (+ (* 1.0 1.0) (* (/ 1.0 x) 1.0))))
  (sqrt (- (* (/ 1.0 x) (/ 1.0 x)) (* 1.0 1.0)))
  (sqrt (+ (/ 1.0 x) 1.0))
  1/2
  (sqrt (sqrt (- (/ 1.0 x) 1.0)))
  (sqrt (sqrt (- (/ 1.0 x) 1.0)))
  (+ (+ NAN (* x (+ (pow NAN 3) (* NAN 1.0)))) (* (pow x 2) (+ (* (pow NAN 3) 2.0) (* (pow NAN 5) 2))))
  (- (sqrt (neg 1.0)) (- (/ (/ 0.125 (pow (sqrt (neg 1.0)) 3)) (pow x 2)) (/ (/ 0.5 (sqrt (neg 1.0))) x)))
  (- (sqrt (neg 1.0)) (- (/ (/ 0.125 (pow (sqrt (neg 1.0)) 3)) (pow x 2)) (/ (/ 0.5 (sqrt (neg 1.0))) x)))
  (+ (+ NAN (* x (+ (pow NAN 3) (* NAN 1.0)))) (* (pow x 2) (+ (* (pow NAN 3) 2.0) (* (pow NAN 5) 2))))
  (- (sqrt (neg 1.0)) (- (/ (/ 0.125 (pow (sqrt (neg 1.0)) 3)) (pow x 2)) (/ (/ 0.5 (sqrt (neg 1.0))) x)))
  (- (sqrt (neg 1.0)) (- (/ (/ 0.125 (pow (sqrt (neg 1.0)) 3)) (pow x 2)) (/ (/ 0.5 (sqrt (neg 1.0))) x)))
0.825 * * * [progress]: adding candidates to table
0.913 * [progress]: [Phase 3 of 3] Extracting.
0.917 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (neg (+ (log (sqrt (- (/ 1.0 x) 1.0))) (log (sqrt (- (/ 1.0 x) 1.0)))))
0.918 * * [simplify]: iteration  0 :  10  enodes  (cost  10 )
0.918 * * [simplify]: iteration  1 :  10  enodes  (cost  10 )
0.918 * [simplify]: Simplified to:
   (neg (+ (log (sqrt (- (/ 1.0 x) 1.0))) (log (sqrt (- (/ 1.0 x) 1.0)))))
1.572 * [regime-testing]: End program error score: 0.031052921293008972