4.294 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.036 * * * [progress]: [2/2] Setting up program.
0.037 * [progress]: [Phase 2 of 3] Improving.
0.038 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (log (- (/ 1.0 x) 1.0)))
0.039 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
0.039 * * [simplify]: iteration  1 :  8  enodes  (cost  7 )
0.040 * * [simplify]: iteration  2 :  9  enodes  (cost  7 )
0.041 * * [simplify]: iteration  done :  9  enodes  (cost  7 )
0.041 * [simplify]: Simplified to:
   (- (log (- (/ 1.0 x) 1.0)))
0.041 * * [progress]: iteration 1 / 4
0.041 * * * [progress]: picking best candidate
0.043 * * * * [pick]: Picked  #<alt (λ (x) (- (log (- (/ 1.0 x) 1.0))))>
0.043 * * * [progress]: localizing error
0.049 * * * [progress]: generating rewritten candidates
0.049 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1)
0.056 * * * [progress]: generating series expansions
0.056 * * * * [progress]: [ 1 / 1 ] generating series at (2 1)
0.056 * [approximate]: Taking taylor expansion of (log (- (* 1.0 (/ 1 x)) 1.0)) in (x) around 0
0.056 * [taylor]: Taking taylor expansion of (log (- (* 1.0 (/ 1 x)) 1.0)) in x
0.056 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) 1.0) in x
0.056 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.056 * [taylor]: Taking taylor expansion of 1.0 in x
0.056 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.056 * [taylor]: Taking taylor expansion of x in x
0.057 * [taylor]: Taking taylor expansion of 1.0 in x
0.058 * [taylor]: Taking taylor expansion of (log (- (* 1.0 (/ 1 x)) 1.0)) in x
0.058 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) 1.0) in x
0.058 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.058 * [taylor]: Taking taylor expansion of 1.0 in x
0.058 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.058 * [taylor]: Taking taylor expansion of x in x
0.058 * [taylor]: Taking taylor expansion of 1.0 in x
0.077 * [approximate]: Taking taylor expansion of (log (- (* 1.0 x) 1.0)) in (x) around 0
0.077 * [taylor]: Taking taylor expansion of (log (- (* 1.0 x) 1.0)) in x
0.077 * [taylor]: Taking taylor expansion of (- (* 1.0 x) 1.0) in x
0.077 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
0.077 * [taylor]: Taking taylor expansion of 1.0 in x
0.077 * [taylor]: Taking taylor expansion of x in x
0.077 * [taylor]: Taking taylor expansion of 1.0 in x
0.078 * [taylor]: Taking taylor expansion of (log (- (* 1.0 x) 1.0)) in x
0.078 * [taylor]: Taking taylor expansion of (- (* 1.0 x) 1.0) in x
0.078 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
0.078 * [taylor]: Taking taylor expansion of 1.0 in x
0.078 * [taylor]: Taking taylor expansion of x in x
0.078 * [taylor]: Taking taylor expansion of 1.0 in x
0.096 * [approximate]: Taking taylor expansion of (log (- (+ (* 1.0 x) 1.0))) in (x) around 0
0.096 * [taylor]: Taking taylor expansion of (log (- (+ (* 1.0 x) 1.0))) in x
0.096 * [taylor]: Taking taylor expansion of (- (+ (* 1.0 x) 1.0)) in x
0.096 * [taylor]: Taking taylor expansion of (+ (* 1.0 x) 1.0) in x
0.096 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
0.096 * [taylor]: Taking taylor expansion of 1.0 in x
0.096 * [taylor]: Taking taylor expansion of x in x
0.096 * [taylor]: Taking taylor expansion of 1.0 in x
0.097 * [taylor]: Taking taylor expansion of (log (- (+ (* 1.0 x) 1.0))) in x
0.098 * [taylor]: Taking taylor expansion of (- (+ (* 1.0 x) 1.0)) in x
0.098 * [taylor]: Taking taylor expansion of (+ (* 1.0 x) 1.0) in x
0.098 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
0.098 * [taylor]: Taking taylor expansion of 1.0 in x
0.098 * [taylor]: Taking taylor expansion of x in x
0.098 * [taylor]: Taking taylor expansion of 1.0 in x
0.120 * * * [progress]: simplifying candidates
0.120 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (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 (- 1.0)) (+ (* 0.5 (/ 1 (* (pow x 2) (pow -1.0 2)))) (* 1.0 (/ 1 x))))
  (- (log (- 1.0)) (+ (* 1/2 (/ 1 (pow x 2))) (* 1.0 (/ 1 x))))
0.122 * * [simplify]: iteration  0 :  75  enodes  (cost  264 )
0.133 * * [simplify]: iteration  1 :  153  enodes  (cost  256 )
0.163 * * [simplify]: iteration  2 :  375  enodes  (cost  233 )
0.250 * * [simplify]: iteration  3 :  1093  enodes  (cost  231 )
0.613 * * [simplify]: iteration  done :  5000  enodes  (cost  227 )
0.613 * [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 1.0) (* (/ 1.0 x) (+ (/ 1.0 x) 1.0))))
  (log (* 1.0 (- (/ 1.0 (pow x 2)) 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) (+ (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)) (log x)))
  (- (log (- 1.0)) (+ (/ 1.0 x) (/ 0.5 (* (pow x 2) (pow -1.0 2)))))
  (- (log (- 1.0)) (+ (/ 1/2 (pow x 2)) (/ 1.0 x)))
0.613 * * * [progress]: adding candidates to table
0.653 * * [progress]: iteration 2 / 4
0.653 * * * [progress]: picking best candidate
0.655 * * * * [pick]: Picked  #<alt (λ (x) (- (- (log 1.0) (+ (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)) (log x)))))>
0.655 * * * [progress]: localizing error
0.671 * * * [progress]: generating rewritten candidates
0.671 * * * * [progress]: [ 1 / 3 ] rewriting at (2 1 2 1 2 1)
0.676 * * * * [progress]: [ 2 / 3 ] rewriting at (2 1 2)
0.689 * * * * [progress]: [ 3 / 3 ] rewriting at (2 1 2 1)
0.724 * * * [progress]: generating series expansions
0.724 * * * * [progress]: [ 1 / 3 ] generating series at (2 1 2 1 2 1)
0.724 * [approximate]: Taking taylor expansion of (* 0.5 x) in (x) around 0
0.724 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.724 * [taylor]: Taking taylor expansion of 0.5 in x
0.724 * [taylor]: Taking taylor expansion of x in x
0.724 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.724 * [taylor]: Taking taylor expansion of 0.5 in x
0.724 * [taylor]: Taking taylor expansion of x in x
0.730 * [approximate]: Taking taylor expansion of (/ 0.5 x) in (x) around 0
0.730 * [taylor]: Taking taylor expansion of (/ 0.5 x) in x
0.730 * [taylor]: Taking taylor expansion of 0.5 in x
0.731 * [taylor]: Taking taylor expansion of x in x
0.731 * [taylor]: Taking taylor expansion of (/ 0.5 x) in x
0.731 * [taylor]: Taking taylor expansion of 0.5 in x
0.731 * [taylor]: Taking taylor expansion of x in x
0.735 * [approximate]: Taking taylor expansion of (/ -0.5 x) in (x) around 0
0.735 * [taylor]: Taking taylor expansion of (/ -0.5 x) in x
0.735 * [taylor]: Taking taylor expansion of -0.5 in x
0.735 * [taylor]: Taking taylor expansion of x in x
0.735 * [taylor]: Taking taylor expansion of (/ -0.5 x) in x
0.735 * [taylor]: Taking taylor expansion of -0.5 in x
0.735 * [taylor]: Taking taylor expansion of x in x
0.739 * * * * [progress]: [ 2 / 3 ] generating series at (2 1 2)
0.739 * [approximate]: Taking taylor expansion of (+ (* 0.5 (pow x 2)) (+ (* 1.0 x) (log x))) in (x) around 0
0.739 * [taylor]: Taking taylor expansion of (+ (* 0.5 (pow x 2)) (+ (* 1.0 x) (log x))) in x
0.739 * [taylor]: Taking taylor expansion of (* 0.5 (pow x 2)) in x
0.739 * [taylor]: Taking taylor expansion of 0.5 in x
0.739 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.739 * [taylor]: Taking taylor expansion of x in x
0.740 * [taylor]: Taking taylor expansion of (+ (* 1.0 x) (log x)) in x
0.740 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
0.740 * [taylor]: Taking taylor expansion of 1.0 in x
0.740 * [taylor]: Taking taylor expansion of x in x
0.740 * [taylor]: Taking taylor expansion of (log x) in x
0.740 * [taylor]: Taking taylor expansion of x in x
0.740 * [taylor]: Taking taylor expansion of (+ (* 0.5 (pow x 2)) (+ (* 1.0 x) (log x))) in x
0.740 * [taylor]: Taking taylor expansion of (* 0.5 (pow x 2)) in x
0.740 * [taylor]: Taking taylor expansion of 0.5 in x
0.740 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.740 * [taylor]: Taking taylor expansion of x in x
0.740 * [taylor]: Taking taylor expansion of (+ (* 1.0 x) (log x)) in x
0.740 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
0.740 * [taylor]: Taking taylor expansion of 1.0 in x
0.740 * [taylor]: Taking taylor expansion of x in x
0.740 * [taylor]: Taking taylor expansion of (log x) in x
0.740 * [taylor]: Taking taylor expansion of x in x
0.751 * [approximate]: Taking taylor expansion of (+ (* 0.5 (/ 1 (pow x 2))) (+ (log (/ 1 x)) (* 1.0 (/ 1 x)))) in (x) around 0
0.751 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 (pow x 2))) (+ (log (/ 1 x)) (* 1.0 (/ 1 x)))) in x
0.751 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
0.751 * [taylor]: Taking taylor expansion of 0.5 in x
0.751 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.751 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.751 * [taylor]: Taking taylor expansion of x in x
0.751 * [taylor]: Taking taylor expansion of (+ (log (/ 1 x)) (* 1.0 (/ 1 x))) in x
0.752 * [taylor]: Taking taylor expansion of (log (/ 1 x)) in x
0.752 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.752 * [taylor]: Taking taylor expansion of x in x
0.752 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.752 * [taylor]: Taking taylor expansion of 1.0 in x
0.752 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.752 * [taylor]: Taking taylor expansion of x in x
0.752 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 (pow x 2))) (+ (log (/ 1 x)) (* 1.0 (/ 1 x)))) in x
0.752 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
0.752 * [taylor]: Taking taylor expansion of 0.5 in x
0.752 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.752 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.752 * [taylor]: Taking taylor expansion of x in x
0.753 * [taylor]: Taking taylor expansion of (+ (log (/ 1 x)) (* 1.0 (/ 1 x))) in x
0.753 * [taylor]: Taking taylor expansion of (log (/ 1 x)) in x
0.753 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.753 * [taylor]: Taking taylor expansion of x in x
0.753 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.754 * [taylor]: Taking taylor expansion of 1.0 in x
0.754 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.754 * [taylor]: Taking taylor expansion of x in x
0.760 * [approximate]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 (pow x 2))) (log (/ -1 x))) (* 1.0 (/ 1 x))) in (x) around 0
0.760 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 (pow x 2))) (log (/ -1 x))) (* 1.0 (/ 1 x))) in x
0.760 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 (pow x 2))) (log (/ -1 x))) in x
0.760 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
0.760 * [taylor]: Taking taylor expansion of 0.5 in x
0.760 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.760 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.760 * [taylor]: Taking taylor expansion of x in x
0.760 * [taylor]: Taking taylor expansion of (log (/ -1 x)) in x
0.760 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.760 * [taylor]: Taking taylor expansion of -1 in x
0.760 * [taylor]: Taking taylor expansion of x in x
0.761 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.761 * [taylor]: Taking taylor expansion of 1.0 in x
0.761 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.761 * [taylor]: Taking taylor expansion of x in x
0.761 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 (pow x 2))) (log (/ -1 x))) (* 1.0 (/ 1 x))) in x
0.762 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 (pow x 2))) (log (/ -1 x))) in x
0.762 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
0.762 * [taylor]: Taking taylor expansion of 0.5 in x
0.762 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.762 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.762 * [taylor]: Taking taylor expansion of x in x
0.762 * [taylor]: Taking taylor expansion of (log (/ -1 x)) in x
0.762 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.762 * [taylor]: Taking taylor expansion of -1 in x
0.762 * [taylor]: Taking taylor expansion of x in x
0.763 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.763 * [taylor]: Taking taylor expansion of 1.0 in x
0.763 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.763 * [taylor]: Taking taylor expansion of x in x
0.771 * * * * [progress]: [ 3 / 3 ] generating series at (2 1 2 1)
0.772 * [approximate]: Taking taylor expansion of (* x (+ (* 0.5 x) 1.0)) in (x) around 0
0.772 * [taylor]: Taking taylor expansion of (* x (+ (* 0.5 x) 1.0)) in x
0.772 * [taylor]: Taking taylor expansion of x in x
0.772 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) 1.0) in x
0.772 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.772 * [taylor]: Taking taylor expansion of 0.5 in x
0.772 * [taylor]: Taking taylor expansion of x in x
0.772 * [taylor]: Taking taylor expansion of 1.0 in x
0.772 * [taylor]: Taking taylor expansion of (* x (+ (* 0.5 x) 1.0)) in x
0.772 * [taylor]: Taking taylor expansion of x in x
0.772 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) 1.0) in x
0.772 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.772 * [taylor]: Taking taylor expansion of 0.5 in x
0.772 * [taylor]: Taking taylor expansion of x in x
0.772 * [taylor]: Taking taylor expansion of 1.0 in x
0.789 * [approximate]: Taking taylor expansion of (/ (+ 1.0 (* 0.5 (/ 1 x))) x) in (x) around 0
0.789 * [taylor]: Taking taylor expansion of (/ (+ 1.0 (* 0.5 (/ 1 x))) x) in x
0.789 * [taylor]: Taking taylor expansion of (+ 1.0 (* 0.5 (/ 1 x))) in x
0.789 * [taylor]: Taking taylor expansion of 1.0 in x
0.789 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.789 * [taylor]: Taking taylor expansion of 0.5 in x
0.789 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.789 * [taylor]: Taking taylor expansion of x in x
0.789 * [taylor]: Taking taylor expansion of x in x
0.790 * [taylor]: Taking taylor expansion of (/ (+ 1.0 (* 0.5 (/ 1 x))) x) in x
0.790 * [taylor]: Taking taylor expansion of (+ 1.0 (* 0.5 (/ 1 x))) in x
0.790 * [taylor]: Taking taylor expansion of 1.0 in x
0.790 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.790 * [taylor]: Taking taylor expansion of 0.5 in x
0.790 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.790 * [taylor]: Taking taylor expansion of x in x
0.790 * [taylor]: Taking taylor expansion of x in x
0.806 * [approximate]: Taking taylor expansion of (* -1 (/ (- 1.0 (* 0.5 (/ 1 x))) x)) in (x) around 0
0.806 * [taylor]: Taking taylor expansion of (* -1 (/ (- 1.0 (* 0.5 (/ 1 x))) x)) in x
0.806 * [taylor]: Taking taylor expansion of -1 in x
0.806 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in x
0.806 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 x))) in x
0.806 * [taylor]: Taking taylor expansion of 1.0 in x
0.806 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.806 * [taylor]: Taking taylor expansion of 0.5 in x
0.806 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.806 * [taylor]: Taking taylor expansion of x in x
0.806 * [taylor]: Taking taylor expansion of x in x
0.808 * [taylor]: Taking taylor expansion of (* -1 (/ (- 1.0 (* 0.5 (/ 1 x))) x)) in x
0.808 * [taylor]: Taking taylor expansion of -1 in x
0.808 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in x
0.808 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 x))) in x
0.808 * [taylor]: Taking taylor expansion of 1.0 in x
0.808 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.808 * [taylor]: Taking taylor expansion of 0.5 in x
0.808 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.808 * [taylor]: Taking taylor expansion of x in x
0.808 * [taylor]: Taking taylor expansion of x in x
0.839 * * * [progress]: simplifying candidates
0.840 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (log 0.5) (+ (- (log 1.0) (log x)) (log 1.0)))
  (- (log 0.5) (+ (log (/ 1.0 x)) (log 1.0)))
  (- (log 0.5) (log (* (/ 1.0 x) 1.0)))
  (log (/ 0.5 (* (/ 1.0 x) 1.0)))
  (exp (/ 0.5 (* (/ 1.0 x) 1.0)))
  (/ (* (* 0.5 0.5) 0.5) (* (/ (* (* 1.0 1.0) 1.0) (* (* x x) x)) (* (* 1.0 1.0) 1.0)))
  (/ (* (* 0.5 0.5) 0.5) (* (* (* (/ 1.0 x) (/ 1.0 x)) (/ 1.0 x)) (* (* 1.0 1.0) 1.0)))
  (/ (* (* 0.5 0.5) 0.5) (* (* (* (/ 1.0 x) 1.0) (* (/ 1.0 x) 1.0)) (* (/ 1.0 x) 1.0)))
  (* (cbrt (/ 0.5 (* (/ 1.0 x) 1.0))) (cbrt (/ 0.5 (* (/ 1.0 x) 1.0))))
  (cbrt (/ 0.5 (* (/ 1.0 x) 1.0)))
  (* (* (/ 0.5 (* (/ 1.0 x) 1.0)) (/ 0.5 (* (/ 1.0 x) 1.0))) (/ 0.5 (* (/ 1.0 x) 1.0)))
  (sqrt (/ 0.5 (* (/ 1.0 x) 1.0)))
  (sqrt (/ 0.5 (* (/ 1.0 x) 1.0)))
  (- 0.5)
  (- (* (/ 1.0 x) 1.0))
  (/ (* (cbrt 0.5) (cbrt 0.5)) (/ 1.0 x))
  (/ (cbrt 0.5) 1.0)
  (/ (sqrt 0.5) (/ 1.0 x))
  (/ (sqrt 0.5) 1.0)
  (/ 1 (/ 1.0 x))
  (/ 0.5 1.0)
  (/ 1 (* (/ 1.0 x) 1.0))
  (/ (* (/ 1.0 x) 1.0) 0.5)
  (/ 0.5 (/ 1.0 x))
  (/ (* (/ 1.0 x) 1.0) (cbrt 0.5))
  (/ (* (/ 1.0 x) 1.0) (sqrt 0.5))
  (/ (* (/ 1.0 x) 1.0) 0.5)
  (/ 0.5 (* 1.0 1.0))
  (* (exp (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0))) x)
  (log (+ (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)) (log x)))
  (exp (+ (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)) (log x)))
  (* (cbrt (+ (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)) (log x))) (cbrt (+ (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)) (log x))))
  (cbrt (+ (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)) (log x)))
  (* (* (+ (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)) (log x)) (+ (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)) (log x))) (+ (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)) (log x)))
  (sqrt (+ (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)) (log x)))
  (sqrt (+ (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)) (log x)))
  (+ (pow (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)) 3) (pow (log x) 3))
  (+ (* (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)) (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0))) (- (* (log x) (log x)) (* (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)) (log x))))
  (- (* (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)) (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0))) (* (log x) (log x)))
  (- (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)) (log x))
  (+ (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)) (log (* (cbrt x) (cbrt x))))
  (+ (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)) (log (sqrt x)))
  (+ (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)) (log 1))
  (+ (* x 1.0) (log x))
  (+ (* 1.0 x) (log x))
  (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0))
  (+ (log x) (log (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)))
  (log (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)))
  (exp (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)))
  (* (* (* x x) x) (* (* (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0) (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)) (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)))
  (* (cbrt (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0))) (cbrt (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0))))
  (cbrt (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)))
  (* (* (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)) (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0))) (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)))
  (sqrt (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)))
  (sqrt (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)))
  (* (sqrt x) (sqrt (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)))
  (* (sqrt x) (sqrt (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)))
  (* x (/ 0.5 (* (/ 1.0 x) 1.0)))
  (* x 1.0)
  (* (/ 0.5 (* (/ 1.0 x) 1.0)) x)
  (* 1.0 x)
  (* x (* (cbrt (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)) (cbrt (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0))))
  (* x (sqrt (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)))
  (* x 1)
  (* x 1)
  (* (cbrt x) (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0))
  (* (sqrt x) (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0))
  (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0))
  (* x (+ (pow (/ 0.5 (* (/ 1.0 x) 1.0)) 3) (pow 1.0 3)))
  (* x (- (* (/ 0.5 (* (/ 1.0 x) 1.0)) (/ 0.5 (* (/ 1.0 x) 1.0))) (* 1.0 1.0)))
  (* 0.5 x)
  (* 0.5 x)
  (* 0.5 x)
  (+ (* 0.5 (pow x 2)) (+ (* 1.0 x) (log x)))
  (- (+ (* 0.5 (pow x 2)) (* 1.0 x)) (log (/ 1 x)))
  (- (+ (* 0.5 (pow x 2)) (+ (log -1) (* 1.0 x))) (log (/ -1 x)))
  (+ (* 0.5 (pow x 2)) (* 1.0 x))
  (+ (* 0.5 (pow x 2)) (* 1.0 x))
  (+ (* 0.5 (pow x 2)) (* 1.0 x))
0.843 * * [simplify]: iteration  0 :  137  enodes  (cost  1013 )
0.874 * * [simplify]: iteration  1 :  376  enodes  (cost  955 )
1.011 * * [simplify]: iteration  2 :  1217  enodes  (cost  858 )
1.397 * * [simplify]: iteration  done :  5000  enodes  (cost  857 )
1.397 * [simplify]: Simplified to:
   (log (/ 0.5 (* (/ 1.0 x) 1.0)))
  (log (/ 0.5 (* (/ 1.0 x) 1.0)))
  (log (/ 0.5 (* (/ 1.0 x) 1.0)))
  (log (/ 0.5 (* (/ 1.0 x) 1.0)))
  (exp (/ 0.5 (* (/ 1.0 x) 1.0)))
  (pow (/ 0.5 (* (/ 1.0 x) 1.0)) 3)
  (pow (/ 0.5 (* (/ 1.0 x) 1.0)) 3)
  (pow (/ 0.5 (* (/ 1.0 x) 1.0)) 3)
  (* (cbrt (/ 0.5 (* (/ 1.0 x) 1.0))) (cbrt (/ 0.5 (* (/ 1.0 x) 1.0))))
  (cbrt (/ 0.5 (* (/ 1.0 x) 1.0)))
  (pow (/ 0.5 (* (/ 1.0 x) 1.0)) 3)
  (sqrt (/ 0.5 (* (/ 1.0 x) 1.0)))
  (sqrt (/ 0.5 (* (/ 1.0 x) 1.0)))
  (- 0.5)
  (- (* (/ 1.0 x) 1.0))
  (/ (* (cbrt 0.5) (cbrt 0.5)) (/ 1.0 x))
  (/ (cbrt 0.5) 1.0)
  (/ (sqrt 0.5) (/ 1.0 x))
  (/ (sqrt 0.5) 1.0)
  (/ x 1.0)
  (/ 0.5 1.0)
  (/ (/ x 1.0) 1.0)
  (/ (* (/ 1.0 x) 1.0) 0.5)
  (/ 0.5 (/ 1.0 x))
  (/ (* (/ 1.0 x) 1.0) (cbrt 0.5))
  (/ (* (/ 1.0 x) 1.0) (sqrt 0.5))
  (/ (* (/ 1.0 x) 1.0) 0.5)
  (/ 0.5 (* 1.0 1.0))
  (* (exp (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0))) x)
  (log (+ (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)) (log x)))
  (* (exp (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0))) x)
  (* (cbrt (+ (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)) (log x))) (cbrt (+ (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)) (log x))))
  (cbrt (+ (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)) (log x)))
  (pow (+ (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)) (log x)) 3)
  (sqrt (+ (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)) (log x)))
  (sqrt (+ (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)) (log x)))
  (+ (pow (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)) 3) (pow (log x) 3))
  (+ (* (log x) (- (log x) (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)))) (* (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)) (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0))))
  (- (* (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)) (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0))) (* (log x) (log x)))
  (- (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)) (log x))
  (+ (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)) (* 2 (log (cbrt x))))
  (+ (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)) (log (sqrt x)))
  (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0))
  (+ (* x 1.0) (log x))
  (+ (* x 1.0) (log x))
  (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0))
  (log (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)))
  (log (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)))
  (exp (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)))
  (pow (* (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0) x) 3)
  (* (cbrt (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0))) (cbrt (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0))))
  (cbrt (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)))
  (pow (* (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0) x) 3)
  (sqrt (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)))
  (sqrt (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)))
  (* (sqrt x) (sqrt (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)))
  (* (sqrt x) (sqrt (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)))
  (* x (/ 0.5 (* (/ 1.0 x) 1.0)))
  (* x 1.0)
  (* x (/ 0.5 (* (/ 1.0 x) 1.0)))
  (* x 1.0)
  (* x (* (cbrt (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)) (cbrt (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0))))
  (* x (sqrt (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)))
  x
  x
  (* (cbrt x) (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0))
  (* (sqrt x) (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0))
  (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0))
  (* x (+ (pow (/ 0.5 (* (/ 1.0 x) 1.0)) 3) (pow 1.0 3)))
  (+ (* (/ 0.5 1.0) (/ 0.5 (pow (/ 1.0 x) 3))) (* (- (* 1.0 1.0)) x))
  (* 0.5 x)
  (* 0.5 x)
  (* 0.5 x)
  (+ (* 0.5 (pow x 2)) (+ (* 1.0 x) (log x)))
  (+ (* 0.5 (pow x 2)) (+ (* 1.0 x) (log x)))
  (- (+ (* 0.5 (pow x 2)) (+ (log -1) (* 1.0 x))) (log (/ -1 x)))
  (+ (* 0.5 (pow x 2)) (* 1.0 x))
  (+ (* 0.5 (pow x 2)) (* 1.0 x))
  (+ (* 0.5 (pow x 2)) (* 1.0 x))
1.398 * * * [progress]: adding candidates to table
1.569 * [progress]: [Phase 3 of 3] Extracting.
1.569 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (- (- (log 1.0) (+ (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)) (log x)))))> #<alt (λ (x) (- (log (- (/ 1.0 x) 1.0))))>)
1.570 * * * [regime-changes]: Trying 5 branch expressions: ((/ 1.0 x) (- (/ 1.0 x) 1.0) (log (- (/ 1.0 x) 1.0)) (- (log (- (/ 1.0 x) 1.0))) x)
1.570 * * * * [regimes]: Trying to branch on (/ 1.0 x) from (#<alt (λ (x) (- (- (log 1.0) (+ (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)) (log x)))))> #<alt (λ (x) (- (log (- (/ 1.0 x) 1.0))))>)
1.580 * * * * [regimes]: Trying to branch on (- (/ 1.0 x) 1.0) from (#<alt (λ (x) (- (- (log 1.0) (+ (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)) (log x)))))> #<alt (λ (x) (- (log (- (/ 1.0 x) 1.0))))>)
1.593 * * * * [regimes]: Trying to branch on (log (- (/ 1.0 x) 1.0)) from (#<alt (λ (x) (- (- (log 1.0) (+ (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)) (log x)))))> #<alt (λ (x) (- (log (- (/ 1.0 x) 1.0))))>)
1.608 * * * * [regimes]: Trying to branch on (- (log (- (/ 1.0 x) 1.0))) from (#<alt (λ (x) (- (- (log 1.0) (+ (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)) (log x)))))> #<alt (λ (x) (- (log (- (/ 1.0 x) 1.0))))>)
1.622 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (- (- (log 1.0) (+ (* x (+ (/ 0.5 (* (/ 1.0 x) 1.0)) 1.0)) (log x)))))> #<alt (λ (x) (- (log (- (/ 1.0 x) 1.0))))>)
1.635 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
1.635 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (log (- (/ 1.0 x) 1.0)))
1.635 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
1.635 * * [simplify]: iteration  done :  6  enodes  (cost  7 )
1.635 * [simplify]: Simplified to:
   (- (log (- (/ 1.0 x) 1.0)))
2.716 * [regime-testing]: Baseline error score: 0.02180480880109207
2.716 * [regime-testing]: Oracle error score: 0.0040525897737136475
2.717 * [regime-testing]: End program error score: 0.02180480880109207