20.854 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.029 * * * [progress]: [2/2] Setting up program.
0.031 * [progress]: [Phase 2 of 3] Improving.
0.032 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (/ 1.0 (+ x 1.0)) (/ 1.0 x))
0.034 * * [simplify]: iteration  0 :  6  enodes  (cost  9 )
0.035 * * [simplify]: iteration  1 :  9  enodes  (cost  9 )
0.037 * * [simplify]: iteration  2 :  12  enodes  (cost  9 )
0.040 * * [simplify]: iteration  done :  12  enodes  (cost  9 )
0.040 * [simplify]: Simplified to:
   (- (/ 1.0 (+ x 1.0)) (/ 1.0 x))
0.040 * * [progress]: iteration 1 / 4
0.040 * * * [progress]: picking best candidate
0.042 * * * * [pick]: Picked  #<alt (λ (x) (- (/ 1.0 (+ x 1.0)) (/ 1.0 x)))>
0.042 * * * [progress]: localizing error
0.053 * * * [progress]: generating rewritten candidates
0.053 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.095 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.103 * * * [progress]: generating series expansions
0.103 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.103 * [approximate]: Taking taylor expansion of (- (* 1.0 (/ 1 (+ x 1.0))) (* 1.0 (/ 1 x))) in (x) around 0
0.103 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 (+ x 1.0))) (* 1.0 (/ 1 x))) in x
0.103 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 (+ x 1.0))) in x
0.103 * [taylor]: Taking taylor expansion of 1.0 in x
0.103 * [taylor]: Taking taylor expansion of (/ 1 (+ x 1.0)) in x
0.103 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.103 * [taylor]: Taking taylor expansion of x in x
0.103 * [taylor]: Taking taylor expansion of 1.0 in x
0.104 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.104 * [taylor]: Taking taylor expansion of 1.0 in x
0.104 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.104 * [taylor]: Taking taylor expansion of x in x
0.105 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 (+ x 1.0))) (* 1.0 (/ 1 x))) in x
0.105 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 (+ x 1.0))) in x
0.105 * [taylor]: Taking taylor expansion of 1.0 in x
0.105 * [taylor]: Taking taylor expansion of (/ 1 (+ x 1.0)) in x
0.105 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.105 * [taylor]: Taking taylor expansion of x in x
0.105 * [taylor]: Taking taylor expansion of 1.0 in x
0.105 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.105 * [taylor]: Taking taylor expansion of 1.0 in x
0.105 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.105 * [taylor]: Taking taylor expansion of x in x
0.114 * [approximate]: Taking taylor expansion of (- (* 1.0 (/ 1 (+ 1.0 (/ 1 x)))) (* 1.0 x)) in (x) around 0
0.114 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 (+ 1.0 (/ 1 x)))) (* 1.0 x)) in x
0.114 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 (+ 1.0 (/ 1 x)))) in x
0.114 * [taylor]: Taking taylor expansion of 1.0 in x
0.114 * [taylor]: Taking taylor expansion of (/ 1 (+ 1.0 (/ 1 x))) in x
0.114 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.114 * [taylor]: Taking taylor expansion of 1.0 in x
0.114 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.114 * [taylor]: Taking taylor expansion of x in x
0.115 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
0.115 * [taylor]: Taking taylor expansion of 1.0 in x
0.115 * [taylor]: Taking taylor expansion of x in x
0.115 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 (+ 1.0 (/ 1 x)))) (* 1.0 x)) in x
0.115 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 (+ 1.0 (/ 1 x)))) in x
0.115 * [taylor]: Taking taylor expansion of 1.0 in x
0.115 * [taylor]: Taking taylor expansion of (/ 1 (+ 1.0 (/ 1 x))) in x
0.115 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.115 * [taylor]: Taking taylor expansion of 1.0 in x
0.115 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.115 * [taylor]: Taking taylor expansion of x in x
0.116 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
0.116 * [taylor]: Taking taylor expansion of 1.0 in x
0.116 * [taylor]: Taking taylor expansion of x in x
0.137 * [approximate]: Taking taylor expansion of (+ (* 1.0 (/ 1 (- 1.0 (/ 1 x)))) (* 1.0 x)) in (x) around 0
0.137 * [taylor]: Taking taylor expansion of (+ (* 1.0 (/ 1 (- 1.0 (/ 1 x)))) (* 1.0 x)) in x
0.137 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 (- 1.0 (/ 1 x)))) in x
0.137 * [taylor]: Taking taylor expansion of 1.0 in x
0.137 * [taylor]: Taking taylor expansion of (/ 1 (- 1.0 (/ 1 x))) in x
0.137 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.137 * [taylor]: Taking taylor expansion of 1.0 in x
0.137 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.137 * [taylor]: Taking taylor expansion of x in x
0.138 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
0.138 * [taylor]: Taking taylor expansion of 1.0 in x
0.138 * [taylor]: Taking taylor expansion of x in x
0.138 * [taylor]: Taking taylor expansion of (+ (* 1.0 (/ 1 (- 1.0 (/ 1 x)))) (* 1.0 x)) in x
0.138 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 (- 1.0 (/ 1 x)))) in x
0.138 * [taylor]: Taking taylor expansion of 1.0 in x
0.138 * [taylor]: Taking taylor expansion of (/ 1 (- 1.0 (/ 1 x))) in x
0.138 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.138 * [taylor]: Taking taylor expansion of 1.0 in x
0.138 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.138 * [taylor]: Taking taylor expansion of x in x
0.139 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
0.139 * [taylor]: Taking taylor expansion of 1.0 in x
0.139 * [taylor]: Taking taylor expansion of x in x
0.160 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
0.160 * [approximate]: Taking taylor expansion of (/ 1.0 (+ x 1.0)) in (x) around 0
0.160 * [taylor]: Taking taylor expansion of (/ 1.0 (+ x 1.0)) in x
0.160 * [taylor]: Taking taylor expansion of 1.0 in x
0.160 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.160 * [taylor]: Taking taylor expansion of x in x
0.160 * [taylor]: Taking taylor expansion of 1.0 in x
0.161 * [taylor]: Taking taylor expansion of (/ 1.0 (+ x 1.0)) in x
0.161 * [taylor]: Taking taylor expansion of 1.0 in x
0.161 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.161 * [taylor]: Taking taylor expansion of x in x
0.161 * [taylor]: Taking taylor expansion of 1.0 in x
0.168 * [approximate]: Taking taylor expansion of (/ 1.0 (+ 1.0 (/ 1 x))) in (x) around 0
0.168 * [taylor]: Taking taylor expansion of (/ 1.0 (+ 1.0 (/ 1 x))) in x
0.168 * [taylor]: Taking taylor expansion of 1.0 in x
0.168 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.168 * [taylor]: Taking taylor expansion of 1.0 in x
0.168 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.168 * [taylor]: Taking taylor expansion of x in x
0.174 * [taylor]: Taking taylor expansion of (/ 1.0 (+ 1.0 (/ 1 x))) in x
0.174 * [taylor]: Taking taylor expansion of 1.0 in x
0.174 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.174 * [taylor]: Taking taylor expansion of 1.0 in x
0.174 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.174 * [taylor]: Taking taylor expansion of x in x
0.181 * [approximate]: Taking taylor expansion of (/ 1.0 (- 1.0 (/ 1 x))) in (x) around 0
0.181 * [taylor]: Taking taylor expansion of (/ 1.0 (- 1.0 (/ 1 x))) in x
0.182 * [taylor]: Taking taylor expansion of 1.0 in x
0.182 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.182 * [taylor]: Taking taylor expansion of 1.0 in x
0.182 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.182 * [taylor]: Taking taylor expansion of x in x
0.183 * [taylor]: Taking taylor expansion of (/ 1.0 (- 1.0 (/ 1 x))) in x
0.183 * [taylor]: Taking taylor expansion of 1.0 in x
0.183 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.183 * [taylor]: Taking taylor expansion of 1.0 in x
0.183 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.183 * [taylor]: Taking taylor expansion of x in x
0.192 * * * [progress]: simplifying candidates
0.193 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ (exp (/ 1.0 (+ x 1.0))) (exp (/ 1.0 x)))
  (log (- (/ 1.0 (+ x 1.0)) (/ 1.0 x)))
  (exp (- (/ 1.0 (+ x 1.0)) (/ 1.0 x)))
  (* (cbrt (- (/ 1.0 (+ x 1.0)) (/ 1.0 x))) (cbrt (- (/ 1.0 (+ x 1.0)) (/ 1.0 x))))
  (cbrt (- (/ 1.0 (+ x 1.0)) (/ 1.0 x)))
  (* (* (- (/ 1.0 (+ x 1.0)) (/ 1.0 x)) (- (/ 1.0 (+ x 1.0)) (/ 1.0 x))) (- (/ 1.0 (+ x 1.0)) (/ 1.0 x)))
  (sqrt (- (/ 1.0 (+ x 1.0)) (/ 1.0 x)))
  (sqrt (- (/ 1.0 (+ x 1.0)) (/ 1.0 x)))
  (- (* 1.0 x) (* (+ x 1.0) 1.0))
  (* (+ x 1.0) x)
  (- (pow (/ 1.0 (+ x 1.0)) 3) (pow (/ 1.0 x) 3))
  (+ (* (/ 1.0 (+ x 1.0)) (/ 1.0 (+ x 1.0))) (+ (* (/ 1.0 x) (/ 1.0 x)) (* (/ 1.0 (+ x 1.0)) (/ 1.0 x))))
  (- (/ 1.0 x))
  (- (* (/ 1.0 (+ x 1.0)) (/ 1.0 (+ x 1.0))) (* (/ 1.0 x) (/ 1.0 x)))
  (+ (/ 1.0 (+ x 1.0)) (/ 1.0 x))
  (+ (sqrt (/ 1.0 (+ x 1.0))) (sqrt (/ 1.0 x)))
  (- (sqrt (/ 1.0 (+ x 1.0))) (sqrt (/ 1.0 x)))
  (+ (sqrt (/ 1.0 (+ x 1.0))) (/ (sqrt 1.0) (sqrt x)))
  (- (sqrt (/ 1.0 (+ x 1.0))) (/ (sqrt 1.0) (sqrt x)))
  (+ (/ (sqrt 1.0) (sqrt (+ x 1.0))) (sqrt (/ 1.0 x)))
  (- (/ (sqrt 1.0) (sqrt (+ x 1.0))) (sqrt (/ 1.0 x)))
  (+ (/ (sqrt 1.0) (sqrt (+ x 1.0))) (/ (sqrt 1.0) (sqrt x)))
  (- (/ (sqrt 1.0) (sqrt (+ x 1.0))) (/ (sqrt 1.0) (sqrt x)))
  (- (/ (cbrt 1.0) (+ x 1.0)) (/ (cbrt 1.0) x))
  (- (/ (cbrt 1.0) (+ x 1.0)) (/ (cbrt 1.0) x))
  (- (/ (sqrt 1.0) (+ x 1.0)) (/ (sqrt 1.0) x))
  (- (/ (sqrt 1.0) (+ x 1.0)) (/ (sqrt 1.0) x))
  (- (/ 1.0 (+ x 1.0)) (/ 1.0 x))
  (- (/ 1.0 (+ x 1.0)) (/ 1.0 x))
  (- (/ 1.0 (+ x 1.0)) (/ 1.0 x))
  (- (/ 1 (+ x 1.0)) (/ 1 x))
  (- (/ 1.0 x))
  (- (log 1.0) (log (+ x 1.0)))
  (log (/ 1.0 (+ x 1.0)))
  (exp (/ 1.0 (+ x 1.0)))
  (/ (* (* 1.0 1.0) 1.0) (* (* (+ x 1.0) (+ x 1.0)) (+ x 1.0)))
  (* (cbrt (/ 1.0 (+ x 1.0))) (cbrt (/ 1.0 (+ x 1.0))))
  (cbrt (/ 1.0 (+ x 1.0)))
  (* (* (/ 1.0 (+ x 1.0)) (/ 1.0 (+ x 1.0))) (/ 1.0 (+ x 1.0)))
  (sqrt (/ 1.0 (+ x 1.0)))
  (sqrt (/ 1.0 (+ x 1.0)))
  (- 1.0)
  (- (+ x 1.0))
  (/ (* (cbrt 1.0) (cbrt 1.0)) (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))))
  (/ (cbrt 1.0) (cbrt (+ x 1.0)))
  (/ (* (cbrt 1.0) (cbrt 1.0)) (sqrt (+ x 1.0)))
  (/ (cbrt 1.0) (sqrt (+ x 1.0)))
  (/ (* (cbrt 1.0) (cbrt 1.0)) 1)
  (/ (cbrt 1.0) (+ x 1.0))
  (/ (* (cbrt 1.0) (cbrt 1.0)) 1)
  (/ (cbrt 1.0) (+ x 1.0))
  (/ (sqrt 1.0) (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))))
  (/ (sqrt 1.0) (cbrt (+ x 1.0)))
  (/ (sqrt 1.0) (sqrt (+ x 1.0)))
  (/ (sqrt 1.0) (sqrt (+ x 1.0)))
  (/ (sqrt 1.0) 1)
  (/ (sqrt 1.0) (+ x 1.0))
  (/ (sqrt 1.0) 1)
  (/ (sqrt 1.0) (+ x 1.0))
  (/ 1 (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))))
  (/ 1.0 (cbrt (+ x 1.0)))
  (/ 1 (sqrt (+ x 1.0)))
  (/ 1.0 (sqrt (+ x 1.0)))
  (/ 1 1)
  (/ 1.0 (+ x 1.0))
  (/ 1 1)
  (/ 1.0 (+ x 1.0))
  (/ 1 (+ x 1.0))
  (/ (+ x 1.0) 1.0)
  (/ 1.0 (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))))
  (/ 1.0 (sqrt (+ x 1.0)))
  (/ 1.0 1)
  (/ 1.0 1)
  (/ (+ x 1.0) (cbrt 1.0))
  (/ (+ x 1.0) (sqrt 1.0))
  (/ (+ x 1.0) 1.0)
  (/ 1.0 (+ (pow x 3) (pow 1.0 3)))
  (/ 1.0 (- (* x x) (* 1.0 1.0)))
  (- 1.0 (+ (* 1.0 x) (* 1.0 (/ 1 x))))
  (- (* 1.0 (/ 1 (pow x 3))) (+ (* 1.0 (/ 1 (pow x 2))) (* 1.0 (/ 1 (pow x 4)))))
  (- (* 1.0 (/ 1 (pow x 3))) (+ (* 1.0 (/ 1 (pow x 2))) (* 1.0 (/ 1 (pow x 4)))))
  (- (+ (* 1.0 (pow x 2)) 1.0) (* 1.0 x))
  (- (+ (* 1.0 (/ 1 x)) (* 1.0 (/ 1 (pow x 3)))) (* 1.0 (/ 1 (pow x 2))))
  (- (+ (* 1.0 (/ 1 x)) (* 1.0 (/ 1 (pow x 3)))) (* 1.0 (/ 1 (pow x 2))))
0.197 * * [simplify]: iteration  0 :  120  enodes  (cost  810 )
0.221 * * [simplify]: iteration  1 :  266  enodes  (cost  766 )
0.279 * * [simplify]: iteration  2 :  726  enodes  (cost  722 )
0.741 * * [simplify]: iteration  3 :  3764  enodes  (cost  718 )
2.213 * * [simplify]: iteration  done :  5000  enodes  (cost  718 )
2.213 * [simplify]: Simplified to:
   (exp (- (/ 1.0 (+ x 1.0)) (/ 1.0 x)))
  (log (- (/ 1.0 (+ x 1.0)) (/ 1.0 x)))
  (exp (- (/ 1.0 (+ x 1.0)) (/ 1.0 x)))
  (* (cbrt (- (/ 1.0 (+ x 1.0)) (/ 1.0 x))) (cbrt (- (/ 1.0 (+ x 1.0)) (/ 1.0 x))))
  (cbrt (- (/ 1.0 (+ x 1.0)) (/ 1.0 x)))
  (pow (- (/ 1.0 (+ x 1.0)) (/ 1.0 x)) 3)
  (sqrt (- (/ 1.0 (+ x 1.0)) (/ 1.0 x)))
  (sqrt (- (/ 1.0 (+ x 1.0)) (/ 1.0 x)))
  (* 1.0 (- x (+ x 1.0)))
  (* (+ x 1.0) x)
  (- (pow (/ 1.0 (+ x 1.0)) 3) (pow (/ 1.0 x) 3))
  (+ (/ (* 1.0 (+ (/ 1.0 (+ x 1.0)) (/ 1.0 x))) (+ x 1.0)) (/ (* 1.0 1.0) (* x x)))
  (- (/ 1.0 x))
  (- (* (/ 1.0 (+ x 1.0)) (/ 1.0 (+ x 1.0))) (* (/ 1.0 x) (/ 1.0 x)))
  (+ (/ 1.0 (+ x 1.0)) (/ 1.0 x))
  (+ (sqrt (/ 1.0 (+ x 1.0))) (sqrt (/ 1.0 x)))
  (- (sqrt (/ 1.0 (+ x 1.0))) (sqrt (/ 1.0 x)))
  (+ (sqrt (/ 1.0 (+ x 1.0))) (/ (sqrt 1.0) (sqrt x)))
  (- (sqrt (/ 1.0 (+ x 1.0))) (/ (sqrt 1.0) (sqrt x)))
  (+ (/ (sqrt 1.0) (sqrt (+ x 1.0))) (sqrt (/ 1.0 x)))
  (- (/ (sqrt 1.0) (sqrt (+ x 1.0))) (sqrt (/ 1.0 x)))
  (+ (/ (sqrt 1.0) (sqrt (+ x 1.0))) (/ (sqrt 1.0) (sqrt x)))
  (- (/ (sqrt 1.0) (sqrt (+ x 1.0))) (/ (sqrt 1.0) (sqrt x)))
  (- (/ (cbrt 1.0) (+ x 1.0)) (/ (cbrt 1.0) x))
  (- (/ (cbrt 1.0) (+ x 1.0)) (/ (cbrt 1.0) x))
  (- (/ (sqrt 1.0) (+ x 1.0)) (/ (sqrt 1.0) x))
  (- (/ (sqrt 1.0) (+ x 1.0)) (/ (sqrt 1.0) x))
  (- (/ 1.0 (+ x 1.0)) (/ 1.0 x))
  (- (/ 1.0 (+ x 1.0)) (/ 1.0 x))
  (- (/ 1.0 (+ x 1.0)) (/ 1.0 x))
  (- (/ 1 (+ x 1.0)) (/ 1 x))
  (- (/ 1.0 x))
  (log (/ 1.0 (+ x 1.0)))
  (log (/ 1.0 (+ x 1.0)))
  (exp (/ 1.0 (+ x 1.0)))
  (pow (/ 1.0 (+ x 1.0)) 3)
  (* (cbrt (/ 1.0 (+ x 1.0))) (cbrt (/ 1.0 (+ x 1.0))))
  (cbrt (/ 1.0 (+ x 1.0)))
  (pow (/ 1.0 (+ x 1.0)) 3)
  (sqrt (/ 1.0 (+ x 1.0)))
  (sqrt (/ 1.0 (+ x 1.0)))
  (- 1.0)
  (- (+ x 1.0))
  (/ (* (cbrt 1.0) (cbrt 1.0)) (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))))
  (/ (cbrt 1.0) (cbrt (+ x 1.0)))
  (/ (* (cbrt 1.0) (cbrt 1.0)) (sqrt (+ x 1.0)))
  (/ (cbrt 1.0) (sqrt (+ x 1.0)))
  (* (cbrt 1.0) (cbrt 1.0))
  (/ (cbrt 1.0) (+ x 1.0))
  (* (cbrt 1.0) (cbrt 1.0))
  (/ (cbrt 1.0) (+ x 1.0))
  (/ (sqrt 1.0) (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))))
  (/ (sqrt 1.0) (cbrt (+ x 1.0)))
  (/ (sqrt 1.0) (sqrt (+ x 1.0)))
  (/ (sqrt 1.0) (sqrt (+ x 1.0)))
  (sqrt 1.0)
  (/ (sqrt 1.0) (+ x 1.0))
  (sqrt 1.0)
  (/ (sqrt 1.0) (+ x 1.0))
  (/ 1 (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))))
  (/ 1.0 (cbrt (+ x 1.0)))
  (/ 1 (sqrt (+ x 1.0)))
  (/ 1.0 (sqrt (+ x 1.0)))
  1
  (/ 1.0 (+ x 1.0))
  1
  (/ 1.0 (+ x 1.0))
  (/ 1 (+ x 1.0))
  (/ (+ x 1.0) 1.0)
  (/ 1.0 (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))))
  (/ 1.0 (sqrt (+ x 1.0)))
  1.0
  1.0
  (/ (+ x 1.0) (cbrt 1.0))
  (/ (+ x 1.0) (sqrt 1.0))
  (/ (+ x 1.0) 1.0)
  (/ 1.0 (+ (pow x 3) (pow 1.0 3)))
  (/ 1.0 (- (* x x) (* 1.0 1.0)))
  (- 1.0 (* 1.0 (+ x (/ 1 x))))
  (- (- (/ 1.0 (pow x 3)) (/ 1.0 (* x x))) (/ 1.0 (pow x 4)))
  (- (- (/ 1.0 (pow x 3)) (/ 1.0 (* x x))) (/ 1.0 (pow x 4)))
  (+ (* 1.0 (- (pow x 2) x)) 1.0)
  (+ (/ 1.0 (pow x 3)) (- (/ 1.0 x) (/ 1.0 (* x x))))
  (+ (/ 1.0 (pow x 3)) (- (/ 1.0 x) (/ 1.0 (* x x))))
2.214 * * * [progress]: adding candidates to table
2.328 * * [progress]: iteration 2 / 4
2.328 * * * [progress]: picking best candidate
2.331 * * * * [pick]: Picked  #<alt (λ (x) (/ (* 1.0 (- x (+ x 1.0))) (* (+ x 1.0) x)))>
2.331 * * * [progress]: localizing error
2.337 * * * [progress]: generating rewritten candidates
2.337 * * * * [progress]: [ 1 / 3 ] rewriting at (2 1 2)
2.345 * * * * [progress]: [ 2 / 3 ] rewriting at (2)
2.363 * * * * [progress]: [ 3 / 3 ] rewriting at (2 2)
2.375 * * * [progress]: generating series expansions
2.375 * * * * [progress]: [ 1 / 3 ] generating series at (2 1 2)
2.375 * [approximate]: Taking taylor expansion of (- 1.0) in (x) around 0
2.375 * [taylor]: Taking taylor expansion of (- 1.0) in x
2.375 * [taylor]: Taking taylor expansion of 1.0 in x
2.375 * [taylor]: Taking taylor expansion of (- 1.0) in x
2.375 * [taylor]: Taking taylor expansion of 1.0 in x
2.378 * [approximate]: Taking taylor expansion of (- 1.0) in (x) around 0
2.378 * [taylor]: Taking taylor expansion of (- 1.0) in x
2.378 * [taylor]: Taking taylor expansion of 1.0 in x
2.378 * [taylor]: Taking taylor expansion of (- 1.0) in x
2.378 * [taylor]: Taking taylor expansion of 1.0 in x
2.380 * [approximate]: Taking taylor expansion of (- 1.0) in (x) around 0
2.380 * [taylor]: Taking taylor expansion of (- 1.0) in x
2.380 * [taylor]: Taking taylor expansion of 1.0 in x
2.380 * [taylor]: Taking taylor expansion of (- 1.0) in x
2.380 * [taylor]: Taking taylor expansion of 1.0 in x
2.382 * * * * [progress]: [ 2 / 3 ] generating series at (2)
2.383 * [approximate]: Taking taylor expansion of (/ -1.0 (* x (+ x 1.0))) in (x) around 0
2.383 * [taylor]: Taking taylor expansion of (/ -1.0 (* x (+ x 1.0))) in x
2.383 * [taylor]: Taking taylor expansion of -1.0 in x
2.383 * [taylor]: Taking taylor expansion of (* x (+ x 1.0)) in x
2.383 * [taylor]: Taking taylor expansion of x in x
2.383 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
2.383 * [taylor]: Taking taylor expansion of x in x
2.383 * [taylor]: Taking taylor expansion of 1.0 in x
2.385 * [taylor]: Taking taylor expansion of (/ -1.0 (* x (+ x 1.0))) in x
2.385 * [taylor]: Taking taylor expansion of -1.0 in x
2.385 * [taylor]: Taking taylor expansion of (* x (+ x 1.0)) in x
2.385 * [taylor]: Taking taylor expansion of x in x
2.385 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
2.385 * [taylor]: Taking taylor expansion of x in x
2.385 * [taylor]: Taking taylor expansion of 1.0 in x
2.393 * [approximate]: Taking taylor expansion of (* -1.0 (/ x (+ 1.0 (/ 1 x)))) in (x) around 0
2.393 * [taylor]: Taking taylor expansion of (* -1.0 (/ x (+ 1.0 (/ 1 x)))) in x
2.393 * [taylor]: Taking taylor expansion of -1.0 in x
2.393 * [taylor]: Taking taylor expansion of (/ x (+ 1.0 (/ 1 x))) in x
2.393 * [taylor]: Taking taylor expansion of x in x
2.393 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
2.394 * [taylor]: Taking taylor expansion of 1.0 in x
2.394 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.394 * [taylor]: Taking taylor expansion of x in x
2.394 * [taylor]: Taking taylor expansion of (* -1.0 (/ x (+ 1.0 (/ 1 x)))) in x
2.394 * [taylor]: Taking taylor expansion of -1.0 in x
2.394 * [taylor]: Taking taylor expansion of (/ x (+ 1.0 (/ 1 x))) in x
2.394 * [taylor]: Taking taylor expansion of x in x
2.394 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
2.394 * [taylor]: Taking taylor expansion of 1.0 in x
2.394 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.394 * [taylor]: Taking taylor expansion of x in x
2.405 * [approximate]: Taking taylor expansion of (* 1.0 (/ x (- 1.0 (/ 1 x)))) in (x) around 0
2.405 * [taylor]: Taking taylor expansion of (* 1.0 (/ x (- 1.0 (/ 1 x)))) in x
2.405 * [taylor]: Taking taylor expansion of 1.0 in x
2.405 * [taylor]: Taking taylor expansion of (/ x (- 1.0 (/ 1 x))) in x
2.405 * [taylor]: Taking taylor expansion of x in x
2.405 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
2.405 * [taylor]: Taking taylor expansion of 1.0 in x
2.405 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.405 * [taylor]: Taking taylor expansion of x in x
2.406 * [taylor]: Taking taylor expansion of (* 1.0 (/ x (- 1.0 (/ 1 x)))) in x
2.406 * [taylor]: Taking taylor expansion of 1.0 in x
2.406 * [taylor]: Taking taylor expansion of (/ x (- 1.0 (/ 1 x))) in x
2.406 * [taylor]: Taking taylor expansion of x in x
2.406 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
2.406 * [taylor]: Taking taylor expansion of 1.0 in x
2.406 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.406 * [taylor]: Taking taylor expansion of x in x
2.418 * * * * [progress]: [ 3 / 3 ] generating series at (2 2)
2.418 * [approximate]: Taking taylor expansion of (* x (+ x 1.0)) in (x) around 0
2.418 * [taylor]: Taking taylor expansion of (* x (+ x 1.0)) in x
2.418 * [taylor]: Taking taylor expansion of x in x
2.418 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
2.418 * [taylor]: Taking taylor expansion of x in x
2.418 * [taylor]: Taking taylor expansion of 1.0 in x
2.418 * [taylor]: Taking taylor expansion of (* x (+ x 1.0)) in x
2.418 * [taylor]: Taking taylor expansion of x in x
2.418 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
2.418 * [taylor]: Taking taylor expansion of x in x
2.418 * [taylor]: Taking taylor expansion of 1.0 in x
2.427 * [approximate]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) x) in (x) around 0
2.427 * [taylor]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) x) in x
2.427 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
2.427 * [taylor]: Taking taylor expansion of 1.0 in x
2.427 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.427 * [taylor]: Taking taylor expansion of x in x
2.427 * [taylor]: Taking taylor expansion of x in x
2.428 * [taylor]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) x) in x
2.428 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
2.428 * [taylor]: Taking taylor expansion of 1.0 in x
2.428 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.428 * [taylor]: Taking taylor expansion of x in x
2.428 * [taylor]: Taking taylor expansion of x in x
2.444 * [approximate]: Taking taylor expansion of (* -1 (/ (- 1.0 (/ 1 x)) x)) in (x) around 0
2.444 * [taylor]: Taking taylor expansion of (* -1 (/ (- 1.0 (/ 1 x)) x)) in x
2.444 * [taylor]: Taking taylor expansion of -1 in x
2.444 * [taylor]: Taking taylor expansion of (/ (- 1.0 (/ 1 x)) x) in x
2.444 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
2.444 * [taylor]: Taking taylor expansion of 1.0 in x
2.444 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.444 * [taylor]: Taking taylor expansion of x in x
2.445 * [taylor]: Taking taylor expansion of x in x
2.445 * [taylor]: Taking taylor expansion of (* -1 (/ (- 1.0 (/ 1 x)) x)) in x
2.445 * [taylor]: Taking taylor expansion of -1 in x
2.445 * [taylor]: Taking taylor expansion of (/ (- 1.0 (/ 1 x)) x) in x
2.445 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
2.445 * [taylor]: Taking taylor expansion of 1.0 in x
2.445 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.445 * [taylor]: Taking taylor expansion of x in x
2.446 * [taylor]: Taking taylor expansion of x in x
2.465 * * * [progress]: simplifying candidates
2.466 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ (exp x) (* (exp x) (exp 1.0)))
  (/ (exp x) (exp (+ x 1.0)))
  (log (- x (+ x 1.0)))
  (exp (- x (+ x 1.0)))
  (* (cbrt (- x (+ x 1.0))) (cbrt (- x (+ x 1.0))))
  (cbrt (- x (+ x 1.0)))
  (* (* (- x (+ x 1.0)) (- x (+ x 1.0))) (- x (+ x 1.0)))
  (sqrt (- x (+ x 1.0)))
  (sqrt (- x (+ x 1.0)))
  (- (pow x 3) (pow (+ x 1.0) 3))
  (+ (* x x) (+ (* (+ x 1.0) (+ x 1.0)) (* x (+ x 1.0))))
  (- (+ x 1.0))
  (- (* x x) (* (+ x 1.0) (+ x 1.0)))
  (+ x (+ x 1.0))
  (+ (sqrt x) (sqrt (+ x 1.0)))
  (- (sqrt x) (sqrt (+ x 1.0)))
  (- x (+ x 1.0))
  (- x (+ x 1.0))
  (- x x)
  (- (+ x 1.0))
  (- (+ (log 1.0) (log (- x (+ x 1.0)))) (+ (log (+ x 1.0)) (log x)))
  (- (+ (log 1.0) (log (- x (+ x 1.0)))) (log (* (+ x 1.0) x)))
  (- (log (* 1.0 (- x (+ x 1.0)))) (+ (log (+ x 1.0)) (log x)))
  (- (log (* 1.0 (- x (+ x 1.0)))) (log (* (+ x 1.0) x)))
  (log (/ (* 1.0 (- x (+ x 1.0))) (* (+ x 1.0) x)))
  (exp (/ (* 1.0 (- x (+ x 1.0))) (* (+ x 1.0) x)))
  (/ (* (* (* 1.0 1.0) 1.0) (* (* (- x (+ x 1.0)) (- x (+ x 1.0))) (- x (+ x 1.0)))) (* (* (* (+ x 1.0) (+ x 1.0)) (+ x 1.0)) (* (* x x) x)))
  (/ (* (* (* 1.0 1.0) 1.0) (* (* (- x (+ x 1.0)) (- x (+ x 1.0))) (- x (+ x 1.0)))) (* (* (* (+ x 1.0) x) (* (+ x 1.0) x)) (* (+ x 1.0) x)))
  (/ (* (* (* 1.0 (- x (+ x 1.0))) (* 1.0 (- x (+ x 1.0)))) (* 1.0 (- x (+ x 1.0)))) (* (* (* (+ x 1.0) (+ x 1.0)) (+ x 1.0)) (* (* x x) x)))
  (/ (* (* (* 1.0 (- x (+ x 1.0))) (* 1.0 (- x (+ x 1.0)))) (* 1.0 (- x (+ x 1.0)))) (* (* (* (+ x 1.0) x) (* (+ x 1.0) x)) (* (+ x 1.0) x)))
  (* (cbrt (/ (* 1.0 (- x (+ x 1.0))) (* (+ x 1.0) x))) (cbrt (/ (* 1.0 (- x (+ x 1.0))) (* (+ x 1.0) x))))
  (cbrt (/ (* 1.0 (- x (+ x 1.0))) (* (+ x 1.0) x)))
  (* (* (/ (* 1.0 (- x (+ x 1.0))) (* (+ x 1.0) x)) (/ (* 1.0 (- x (+ x 1.0))) (* (+ x 1.0) x))) (/ (* 1.0 (- x (+ x 1.0))) (* (+ x 1.0) x)))
  (sqrt (/ (* 1.0 (- x (+ x 1.0))) (* (+ x 1.0) x)))
  (sqrt (/ (* 1.0 (- x (+ x 1.0))) (* (+ x 1.0) x)))
  (- (* 1.0 (- x (+ x 1.0))))
  (- (* (+ x 1.0) x))
  (/ 1.0 (+ x 1.0))
  (/ (- x (+ x 1.0)) x)
  (/ 1 (* (+ x 1.0) x))
  (/ (* (+ x 1.0) x) (* 1.0 (- x (+ x 1.0))))
  (/ (* 1.0 (- x (+ x 1.0))) (+ x 1.0))
  (/ (* (+ x 1.0) x) (- x (+ x 1.0)))
  (/ (* 1.0 (- x (+ x 1.0))) (* (+ (pow x 3) (pow 1.0 3)) x))
  (/ (* 1.0 (- x (+ x 1.0))) (* (- (* x x) (* 1.0 1.0)) x))
  (* (* (+ x 1.0) x) (+ (* x x) (+ (* (+ x 1.0) (+ x 1.0)) (* x (+ x 1.0)))))
  (* (* (+ x 1.0) x) (+ x (+ x 1.0)))
  (* (+ x 1.0) x)
  (+ (log (+ x 1.0)) (log x))
  (log (* (+ x 1.0) x))
  (exp (* (+ x 1.0) x))
  (* (* (* (+ x 1.0) (+ x 1.0)) (+ x 1.0)) (* (* x x) x))
  (* (cbrt (* (+ x 1.0) x)) (cbrt (* (+ x 1.0) x)))
  (cbrt (* (+ x 1.0) x))
  (* (* (* (+ x 1.0) x) (* (+ x 1.0) x)) (* (+ x 1.0) x))
  (sqrt (* (+ x 1.0) x))
  (sqrt (* (+ x 1.0) x))
  (* (sqrt (+ x 1.0)) (sqrt x))
  (* (sqrt (+ x 1.0)) (sqrt x))
  (* (+ x 1.0) (* (cbrt x) (cbrt x)))
  (* (+ x 1.0) (sqrt x))
  (* (+ x 1.0) 1)
  (* (cbrt (+ x 1.0)) x)
  (* (sqrt (+ x 1.0)) x)
  (* (+ x 1.0) x)
  (* (+ x 1.0) x)
  (* (+ (pow x 3) (pow 1.0 3)) x)
  (* (- (* x x) (* 1.0 1.0)) x)
  (- 1.0)
  (- 1.0)
  (- 1.0)
  (- 1.0 (+ (* 1.0 x) (* 1.0 (/ 1 x))))
  (- (* 1.0 (/ 1 (pow x 3))) (+ (* 1.0 (/ 1 (pow x 2))) (* 1.0 (/ 1 (pow x 4)))))
  (- (* 1.0 (/ 1 (pow x 3))) (+ (* 1.0 (/ 1 (pow x 2))) (* 1.0 (/ 1 (pow x 4)))))
  (+ (pow x 2) (* 1.0 x))
  (+ (pow x 2) (* 1.0 x))
  (+ (pow x 2) (* 1.0 x))
2.470 * * [simplify]: iteration  0 :  119  enodes  (cost  903 )
2.496 * * [simplify]: iteration  1 :  344  enodes  (cost  743 )
2.628 * * [simplify]: iteration  2 :  1701  enodes  (cost  591 )
3.072 * * [simplify]: iteration  done :  5000  enodes  (cost  591 )
3.073 * [simplify]: Simplified to:
   (exp (- 1.0))
  (exp (- 1.0))
  (log (- 1.0))
  (exp (- 1.0))
  (* (cbrt (- 1.0)) (cbrt (- 1.0)))
  (cbrt (- 1.0))
  (pow (- 1.0) 3)
  (sqrt (- 1.0))
  (sqrt (- 1.0))
  (- (pow x 3) (pow (+ x 1.0) 3))
  (+ (* x x) (* (+ x 1.0) (+ x (+ x 1.0))))
  (- (+ x 1.0))
  (* (- 1.0) (+ x (+ x 1.0)))
  (+ x (+ x 1.0))
  (+ (sqrt x) (sqrt (+ x 1.0)))
  (- (sqrt x) (sqrt (+ x 1.0)))
  (- 1.0)
  (- 1.0)
  0
  (- (+ x 1.0))
  (log (/ (- 1.0) (/ (* x (+ x 1.0)) 1.0)))
  (log (/ (- 1.0) (/ (* x (+ x 1.0)) 1.0)))
  (log (/ (- 1.0) (/ (* x (+ x 1.0)) 1.0)))
  (log (/ (- 1.0) (/ (* x (+ x 1.0)) 1.0)))
  (log (/ (- 1.0) (/ (* x (+ x 1.0)) 1.0)))
  (exp (/ (- 1.0) (/ (* x (+ x 1.0)) 1.0)))
  (pow (/ (- 1.0) (/ (* x (+ x 1.0)) 1.0)) 3)
  (pow (/ (- 1.0) (/ (* x (+ x 1.0)) 1.0)) 3)
  (pow (/ (- 1.0) (/ (* x (+ x 1.0)) 1.0)) 3)
  (pow (/ (- 1.0) (/ (* x (+ x 1.0)) 1.0)) 3)
  (* (cbrt (/ (- 1.0) (/ (* x (+ x 1.0)) 1.0))) (cbrt (/ (- 1.0) (/ (* x (+ x 1.0)) 1.0))))
  (cbrt (/ (- 1.0) (/ (* x (+ x 1.0)) 1.0)))
  (pow (/ (- 1.0) (/ (* x (+ x 1.0)) 1.0)) 3)
  (sqrt (/ (- 1.0) (/ (* x (+ x 1.0)) 1.0)))
  (sqrt (/ (- 1.0) (/ (* x (+ x 1.0)) 1.0)))
  (- (* 1.0 (- 1.0)))
  (- (* (+ x 1.0) x))
  (/ 1.0 (+ x 1.0))
  (/ (- 1.0) x)
  (/ 1 (* (+ x 1.0) x))
  (* (/ (+ x 1.0) 1.0) (/ x (- 1.0)))
  (* (/ 1.0 (+ x 1.0)) (- 1.0))
  (* x (/ (+ x 1.0) (- 1.0)))
  (* (/ (- 1.0) x) (/ 1.0 (+ (pow x 3) (pow 1.0 3))))
  (/ (* 1.0 (- 1.0)) (* (- (* x x) (* 1.0 1.0)) x))
  (* (+ (* x x) (* (+ x 1.0) (+ x (+ x 1.0)))) (* x (+ x 1.0)))
  (* (* (+ x 1.0) x) (+ x (+ x 1.0)))
  (* x (+ x 1.0))
  (log (* (+ x 1.0) x))
  (log (* (+ x 1.0) x))
  (exp (* (+ x 1.0) x))
  (pow (* x (+ x 1.0)) 3)
  (* (cbrt (* (+ x 1.0) x)) (cbrt (* (+ x 1.0) x)))
  (cbrt (* (+ x 1.0) x))
  (pow (* x (+ x 1.0)) 3)
  (sqrt (* (+ x 1.0) x))
  (sqrt (* (+ x 1.0) x))
  (* (sqrt (+ x 1.0)) (sqrt x))
  (* (sqrt (+ x 1.0)) (sqrt x))
  (* (+ x 1.0) (* (cbrt x) (cbrt x)))
  (* (+ x 1.0) (sqrt x))
  (+ x 1.0)
  (* (cbrt (+ x 1.0)) x)
  (* (sqrt (+ x 1.0)) x)
  (* x (+ x 1.0))
  (* x (+ x 1.0))
  (* (+ (pow x 3) (pow 1.0 3)) x)
  (* (- (* x x) (* 1.0 1.0)) x)
  (- 1.0)
  (- 1.0)
  (- 1.0)
  (- 1.0 (* 1.0 (+ x (/ 1 x))))
  (- (- (/ 1.0 (pow x 3)) (/ 1.0 (pow x 4))) (/ 1.0 (* x x)))
  (- (- (/ 1.0 (pow x 3)) (/ 1.0 (pow x 4))) (/ 1.0 (* x x)))
  (* x (+ x 1.0))
  (* x (+ x 1.0))
  (* x (+ x 1.0))
3.073 * * * [progress]: adding candidates to table
3.184 * * [progress]: iteration 3 / 4
3.184 * * * [progress]: picking best candidate
3.188 * * * * [pick]: Picked  #<alt (λ (x) (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x))>
3.188 * * * [progress]: localizing error
3.193 * * * [progress]: generating rewritten candidates
3.193 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
3.201 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1 1)
3.209 * * * [progress]: generating series expansions
3.209 * * * * [progress]: [ 1 / 2 ] generating series at (2)
3.209 * [approximate]: Taking taylor expansion of (/ -1.0 (* x (+ x 1.0))) in (x) around 0
3.209 * [taylor]: Taking taylor expansion of (/ -1.0 (* x (+ x 1.0))) in x
3.209 * [taylor]: Taking taylor expansion of -1.0 in x
3.209 * [taylor]: Taking taylor expansion of (* x (+ x 1.0)) in x
3.209 * [taylor]: Taking taylor expansion of x in x
3.209 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
3.210 * [taylor]: Taking taylor expansion of x in x
3.210 * [taylor]: Taking taylor expansion of 1.0 in x
3.212 * [taylor]: Taking taylor expansion of (/ -1.0 (* x (+ x 1.0))) in x
3.212 * [taylor]: Taking taylor expansion of -1.0 in x
3.212 * [taylor]: Taking taylor expansion of (* x (+ x 1.0)) in x
3.212 * [taylor]: Taking taylor expansion of x in x
3.212 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
3.212 * [taylor]: Taking taylor expansion of x in x
3.212 * [taylor]: Taking taylor expansion of 1.0 in x
3.221 * [approximate]: Taking taylor expansion of (* -1.0 (/ x (+ 1.0 (/ 1 x)))) in (x) around 0
3.221 * [taylor]: Taking taylor expansion of (* -1.0 (/ x (+ 1.0 (/ 1 x)))) in x
3.221 * [taylor]: Taking taylor expansion of -1.0 in x
3.221 * [taylor]: Taking taylor expansion of (/ x (+ 1.0 (/ 1 x))) in x
3.221 * [taylor]: Taking taylor expansion of x in x
3.221 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
3.221 * [taylor]: Taking taylor expansion of 1.0 in x
3.221 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.221 * [taylor]: Taking taylor expansion of x in x
3.222 * [taylor]: Taking taylor expansion of (* -1.0 (/ x (+ 1.0 (/ 1 x)))) in x
3.222 * [taylor]: Taking taylor expansion of -1.0 in x
3.222 * [taylor]: Taking taylor expansion of (/ x (+ 1.0 (/ 1 x))) in x
3.222 * [taylor]: Taking taylor expansion of x in x
3.222 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
3.222 * [taylor]: Taking taylor expansion of 1.0 in x
3.222 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.222 * [taylor]: Taking taylor expansion of x in x
3.232 * [approximate]: Taking taylor expansion of (* 1.0 (/ x (- 1.0 (/ 1 x)))) in (x) around 0
3.232 * [taylor]: Taking taylor expansion of (* 1.0 (/ x (- 1.0 (/ 1 x)))) in x
3.232 * [taylor]: Taking taylor expansion of 1.0 in x
3.232 * [taylor]: Taking taylor expansion of (/ x (- 1.0 (/ 1 x))) in x
3.232 * [taylor]: Taking taylor expansion of x in x
3.232 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
3.232 * [taylor]: Taking taylor expansion of 1.0 in x
3.232 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.232 * [taylor]: Taking taylor expansion of x in x
3.233 * [taylor]: Taking taylor expansion of (* 1.0 (/ x (- 1.0 (/ 1 x)))) in x
3.233 * [taylor]: Taking taylor expansion of 1.0 in x
3.233 * [taylor]: Taking taylor expansion of (/ x (- 1.0 (/ 1 x))) in x
3.233 * [taylor]: Taking taylor expansion of x in x
3.233 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
3.233 * [taylor]: Taking taylor expansion of 1.0 in x
3.233 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.233 * [taylor]: Taking taylor expansion of x in x
3.250 * * * * [progress]: [ 2 / 2 ] generating series at (2 1 1)
3.250 * [approximate]: Taking taylor expansion of (/ 1.0 (+ x 1.0)) in (x) around 0
3.250 * [taylor]: Taking taylor expansion of (/ 1.0 (+ x 1.0)) in x
3.250 * [taylor]: Taking taylor expansion of 1.0 in x
3.250 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
3.250 * [taylor]: Taking taylor expansion of x in x
3.250 * [taylor]: Taking taylor expansion of 1.0 in x
3.251 * [taylor]: Taking taylor expansion of (/ 1.0 (+ x 1.0)) in x
3.251 * [taylor]: Taking taylor expansion of 1.0 in x
3.251 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
3.251 * [taylor]: Taking taylor expansion of x in x
3.251 * [taylor]: Taking taylor expansion of 1.0 in x
3.257 * [approximate]: Taking taylor expansion of (/ 1.0 (+ 1.0 (/ 1 x))) in (x) around 0
3.257 * [taylor]: Taking taylor expansion of (/ 1.0 (+ 1.0 (/ 1 x))) in x
3.257 * [taylor]: Taking taylor expansion of 1.0 in x
3.257 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
3.257 * [taylor]: Taking taylor expansion of 1.0 in x
3.257 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.257 * [taylor]: Taking taylor expansion of x in x
3.258 * [taylor]: Taking taylor expansion of (/ 1.0 (+ 1.0 (/ 1 x))) in x
3.258 * [taylor]: Taking taylor expansion of 1.0 in x
3.258 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
3.258 * [taylor]: Taking taylor expansion of 1.0 in x
3.258 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.258 * [taylor]: Taking taylor expansion of x in x
3.265 * [approximate]: Taking taylor expansion of (/ 1.0 (- 1.0 (/ 1 x))) in (x) around 0
3.265 * [taylor]: Taking taylor expansion of (/ 1.0 (- 1.0 (/ 1 x))) in x
3.265 * [taylor]: Taking taylor expansion of 1.0 in x
3.265 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
3.265 * [taylor]: Taking taylor expansion of 1.0 in x
3.265 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.265 * [taylor]: Taking taylor expansion of x in x
3.266 * [taylor]: Taking taylor expansion of (/ 1.0 (- 1.0 (/ 1 x))) in x
3.267 * [taylor]: Taking taylor expansion of 1.0 in x
3.267 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
3.267 * [taylor]: Taking taylor expansion of 1.0 in x
3.267 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.267 * [taylor]: Taking taylor expansion of x in x
3.275 * * * [progress]: simplifying candidates
3.276 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (+ (- (log 1.0) (log (+ x 1.0))) (log (- 1.0))) (log x))
  (- (+ (log (/ 1.0 (+ x 1.0))) (log (- 1.0))) (log x))
  (- (log (* (/ 1.0 (+ x 1.0)) (- 1.0))) (log x))
  (log (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x))
  (exp (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x))
  (/ (* (/ (* (* 1.0 1.0) 1.0) (* (* (+ x 1.0) (+ x 1.0)) (+ x 1.0))) (* (* (- 1.0) (- 1.0)) (- 1.0))) (* (* x x) x))
  (/ (* (* (* (/ 1.0 (+ x 1.0)) (/ 1.0 (+ x 1.0))) (/ 1.0 (+ x 1.0))) (* (* (- 1.0) (- 1.0)) (- 1.0))) (* (* x x) x))
  (/ (* (* (* (/ 1.0 (+ x 1.0)) (- 1.0)) (* (/ 1.0 (+ x 1.0)) (- 1.0))) (* (/ 1.0 (+ x 1.0)) (- 1.0))) (* (* x x) x))
  (* (cbrt (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x)) (cbrt (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x)))
  (cbrt (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x))
  (* (* (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x) (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x)) (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x))
  (sqrt (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x))
  (sqrt (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x))
  (- (* (/ 1.0 (+ x 1.0)) (- 1.0)))
  (- x)
  (/ (/ 1.0 (+ x 1.0)) (* (cbrt x) (cbrt x)))
  (/ (- 1.0) (cbrt x))
  (/ (/ 1.0 (+ x 1.0)) (sqrt x))
  (/ (- 1.0) (sqrt x))
  (/ (/ 1.0 (+ x 1.0)) 1)
  (/ (- 1.0) x)
  (/ 1 x)
  (/ x (* (/ 1.0 (+ x 1.0)) (- 1.0)))
  (/ (* (/ 1.0 (+ x 1.0)) 1.0) x)
  (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) (* (cbrt x) (cbrt x)))
  (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) (sqrt x))
  (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) 1)
  (/ x (- 1.0))
  (* x (+ x 1.0))
  (- (log 1.0) (log (+ x 1.0)))
  (log (/ 1.0 (+ x 1.0)))
  (exp (/ 1.0 (+ x 1.0)))
  (/ (* (* 1.0 1.0) 1.0) (* (* (+ x 1.0) (+ x 1.0)) (+ x 1.0)))
  (* (cbrt (/ 1.0 (+ x 1.0))) (cbrt (/ 1.0 (+ x 1.0))))
  (cbrt (/ 1.0 (+ x 1.0)))
  (* (* (/ 1.0 (+ x 1.0)) (/ 1.0 (+ x 1.0))) (/ 1.0 (+ x 1.0)))
  (sqrt (/ 1.0 (+ x 1.0)))
  (sqrt (/ 1.0 (+ x 1.0)))
  (- 1.0)
  (- (+ x 1.0))
  (/ (* (cbrt 1.0) (cbrt 1.0)) (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))))
  (/ (cbrt 1.0) (cbrt (+ x 1.0)))
  (/ (* (cbrt 1.0) (cbrt 1.0)) (sqrt (+ x 1.0)))
  (/ (cbrt 1.0) (sqrt (+ x 1.0)))
  (/ (* (cbrt 1.0) (cbrt 1.0)) 1)
  (/ (cbrt 1.0) (+ x 1.0))
  (/ (* (cbrt 1.0) (cbrt 1.0)) 1)
  (/ (cbrt 1.0) (+ x 1.0))
  (/ (sqrt 1.0) (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))))
  (/ (sqrt 1.0) (cbrt (+ x 1.0)))
  (/ (sqrt 1.0) (sqrt (+ x 1.0)))
  (/ (sqrt 1.0) (sqrt (+ x 1.0)))
  (/ (sqrt 1.0) 1)
  (/ (sqrt 1.0) (+ x 1.0))
  (/ (sqrt 1.0) 1)
  (/ (sqrt 1.0) (+ x 1.0))
  (/ 1 (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))))
  (/ 1.0 (cbrt (+ x 1.0)))
  (/ 1 (sqrt (+ x 1.0)))
  (/ 1.0 (sqrt (+ x 1.0)))
  (/ 1 1)
  (/ 1.0 (+ x 1.0))
  (/ 1 1)
  (/ 1.0 (+ x 1.0))
  (/ 1 (+ x 1.0))
  (/ (+ x 1.0) 1.0)
  (/ 1.0 (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))))
  (/ 1.0 (sqrt (+ x 1.0)))
  (/ 1.0 1)
  (/ 1.0 1)
  (/ (+ x 1.0) (cbrt 1.0))
  (/ (+ x 1.0) (sqrt 1.0))
  (/ (+ x 1.0) 1.0)
  (/ 1.0 (+ (pow x 3) (pow 1.0 3)))
  (/ 1.0 (- (* x x) (* 1.0 1.0)))
  (- 1.0 (+ (* 1.0 x) (* 1.0 (/ 1 x))))
  (- (* 1.0 (/ 1 (pow x 3))) (+ (* 1.0 (/ 1 (pow x 2))) (* 1.0 (/ 1 (pow x 4)))))
  (- (* 1.0 (/ 1 (pow x 3))) (+ (* 1.0 (/ 1 (pow x 2))) (* 1.0 (/ 1 (pow x 4)))))
  (- (+ (* 1.0 (pow x 2)) 1.0) (* 1.0 x))
  (- (+ (* 1.0 (/ 1 x)) (* 1.0 (/ 1 (pow x 3)))) (* 1.0 (/ 1 (pow x 2))))
  (- (+ (* 1.0 (/ 1 x)) (* 1.0 (/ 1 (pow x 3)))) (* 1.0 (/ 1 (pow x 2))))
3.280 * * [simplify]: iteration  0 :  126  enodes  (cost  793 )
3.313 * * [simplify]: iteration  1 :  320  enodes  (cost  736 )
3.405 * * [simplify]: iteration  2 :  1279  enodes  (cost  638 )
3.805 * * [simplify]: iteration  done :  5000  enodes  (cost  638 )
3.806 * [simplify]: Simplified to:
   (log (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x))
  (log (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x))
  (log (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x))
  (log (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x))
  (exp (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x))
  (pow (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x) 3)
  (pow (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x) 3)
  (pow (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x) 3)
  (* (cbrt (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x)) (cbrt (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x)))
  (cbrt (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x))
  (pow (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x) 3)
  (sqrt (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x))
  (sqrt (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x))
  (* (/ 1.0 (+ x 1.0)) 1.0)
  (- x)
  (/ (/ 1.0 (+ x 1.0)) (* (cbrt x) (cbrt x)))
  (/ (- 1.0) (cbrt x))
  (/ (/ 1.0 (+ x 1.0)) (sqrt x))
  (/ (- 1.0) (sqrt x))
  (/ 1.0 (+ x 1.0))
  (/ (- 1.0) x)
  (/ 1 x)
  (/ x (* (/ 1.0 (+ x 1.0)) (- 1.0)))
  (/ (* (/ 1.0 (+ x 1.0)) 1.0) x)
  (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) (* (cbrt x) (cbrt x)))
  (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) (sqrt x))
  (* (/ 1.0 (+ x 1.0)) (- 1.0))
  (/ x (- 1.0))
  (* x (+ x 1.0))
  (log (/ 1.0 (+ x 1.0)))
  (log (/ 1.0 (+ x 1.0)))
  (exp (/ 1.0 (+ x 1.0)))
  (pow (/ 1.0 (+ x 1.0)) 3)
  (* (cbrt (/ 1.0 (+ x 1.0))) (cbrt (/ 1.0 (+ x 1.0))))
  (cbrt (/ 1.0 (+ x 1.0)))
  (pow (/ 1.0 (+ x 1.0)) 3)
  (sqrt (/ 1.0 (+ x 1.0)))
  (sqrt (/ 1.0 (+ x 1.0)))
  (- 1.0)
  (- (+ x 1.0))
  (/ (* (cbrt 1.0) (cbrt 1.0)) (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))))
  (/ (cbrt 1.0) (cbrt (+ x 1.0)))
  (/ (* (cbrt 1.0) (cbrt 1.0)) (sqrt (+ x 1.0)))
  (/ (cbrt 1.0) (sqrt (+ x 1.0)))
  (* (cbrt 1.0) (cbrt 1.0))
  (/ (cbrt 1.0) (+ x 1.0))
  (* (cbrt 1.0) (cbrt 1.0))
  (/ (cbrt 1.0) (+ x 1.0))
  (/ (sqrt 1.0) (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))))
  (/ (sqrt 1.0) (cbrt (+ x 1.0)))
  (/ (sqrt 1.0) (sqrt (+ x 1.0)))
  (/ (sqrt 1.0) (sqrt (+ x 1.0)))
  (sqrt 1.0)
  (/ (sqrt 1.0) (+ x 1.0))
  (sqrt 1.0)
  (/ (sqrt 1.0) (+ x 1.0))
  (/ 1 (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))))
  (/ 1.0 (cbrt (+ x 1.0)))
  (/ 1 (sqrt (+ x 1.0)))
  (/ 1.0 (sqrt (+ x 1.0)))
  1
  (/ 1.0 (+ x 1.0))
  1
  (/ 1.0 (+ x 1.0))
  (/ 1 (+ x 1.0))
  (/ (+ x 1.0) 1.0)
  (/ 1.0 (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))))
  (/ 1.0 (sqrt (+ x 1.0)))
  1.0
  1.0
  (/ (+ x 1.0) (cbrt 1.0))
  (/ (+ x 1.0) (sqrt 1.0))
  (/ (+ x 1.0) 1.0)
  (/ 1.0 (+ (pow x 3) (pow 1.0 3)))
  (/ 1.0 (- (* x x) (* 1.0 1.0)))
  (- 1.0 (* 1.0 (+ x (/ 1 x))))
  (- (/ 1.0 (pow x 3)) (+ (/ 1.0 (pow x 4)) (/ 1.0 (* x x))))
  (- (/ 1.0 (pow x 3)) (+ (/ 1.0 (pow x 4)) (/ 1.0 (* x x))))
  (- (+ (* 1.0 (pow x 2)) 1.0) (* 1.0 x))
  (+ (/ 1.0 x) (- (/ 1.0 (pow x 3)) (/ 1.0 (* x x))))
  (+ (/ 1.0 x) (- (/ 1.0 (pow x 3)) (/ 1.0 (* x x))))
3.806 * * * [progress]: adding candidates to table
3.912 * * [progress]: iteration 4 / 4
3.912 * * * [progress]: picking best candidate
3.918 * * * * [pick]: Picked  #<alt (λ (x) (/ 1.0 (* x (/ (+ x 1.0) (- 1.0)))))>
3.918 * * * [progress]: localizing error
3.924 * * * [progress]: generating rewritten candidates
3.924 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
3.933 * * * * [progress]: [ 2 / 2 ] rewriting at (2 2)
3.964 * * * [progress]: generating series expansions
3.964 * * * * [progress]: [ 1 / 2 ] generating series at (2)
3.964 * [approximate]: Taking taylor expansion of (/ -1.0 (* x (+ x 1.0))) in (x) around 0
3.964 * [taylor]: Taking taylor expansion of (/ -1.0 (* x (+ x 1.0))) in x
3.964 * [taylor]: Taking taylor expansion of -1.0 in x
3.964 * [taylor]: Taking taylor expansion of (* x (+ x 1.0)) in x
3.965 * [taylor]: Taking taylor expansion of x in x
3.965 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
3.965 * [taylor]: Taking taylor expansion of x in x
3.965 * [taylor]: Taking taylor expansion of 1.0 in x
3.967 * [taylor]: Taking taylor expansion of (/ -1.0 (* x (+ x 1.0))) in x
3.967 * [taylor]: Taking taylor expansion of -1.0 in x
3.967 * [taylor]: Taking taylor expansion of (* x (+ x 1.0)) in x
3.967 * [taylor]: Taking taylor expansion of x in x
3.967 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
3.967 * [taylor]: Taking taylor expansion of x in x
3.967 * [taylor]: Taking taylor expansion of 1.0 in x
3.976 * [approximate]: Taking taylor expansion of (* -1.0 (/ x (+ 1.0 (/ 1 x)))) in (x) around 0
3.977 * [taylor]: Taking taylor expansion of (* -1.0 (/ x (+ 1.0 (/ 1 x)))) in x
3.977 * [taylor]: Taking taylor expansion of -1.0 in x
3.977 * [taylor]: Taking taylor expansion of (/ x (+ 1.0 (/ 1 x))) in x
3.977 * [taylor]: Taking taylor expansion of x in x
3.977 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
3.977 * [taylor]: Taking taylor expansion of 1.0 in x
3.977 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.977 * [taylor]: Taking taylor expansion of x in x
3.978 * [taylor]: Taking taylor expansion of (* -1.0 (/ x (+ 1.0 (/ 1 x)))) in x
3.978 * [taylor]: Taking taylor expansion of -1.0 in x
3.978 * [taylor]: Taking taylor expansion of (/ x (+ 1.0 (/ 1 x))) in x
3.978 * [taylor]: Taking taylor expansion of x in x
3.978 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
3.978 * [taylor]: Taking taylor expansion of 1.0 in x
3.978 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.978 * [taylor]: Taking taylor expansion of x in x
3.988 * [approximate]: Taking taylor expansion of (* 1.0 (/ x (- 1.0 (/ 1 x)))) in (x) around 0
3.988 * [taylor]: Taking taylor expansion of (* 1.0 (/ x (- 1.0 (/ 1 x)))) in x
3.988 * [taylor]: Taking taylor expansion of 1.0 in x
3.988 * [taylor]: Taking taylor expansion of (/ x (- 1.0 (/ 1 x))) in x
3.988 * [taylor]: Taking taylor expansion of x in x
3.988 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
3.988 * [taylor]: Taking taylor expansion of 1.0 in x
3.988 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.988 * [taylor]: Taking taylor expansion of x in x
3.989 * [taylor]: Taking taylor expansion of (* 1.0 (/ x (- 1.0 (/ 1 x)))) in x
3.989 * [taylor]: Taking taylor expansion of 1.0 in x
3.989 * [taylor]: Taking taylor expansion of (/ x (- 1.0 (/ 1 x))) in x
3.989 * [taylor]: Taking taylor expansion of x in x
3.990 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
3.990 * [taylor]: Taking taylor expansion of 1.0 in x
3.990 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.990 * [taylor]: Taking taylor expansion of x in x
4.001 * * * * [progress]: [ 2 / 2 ] generating series at (2 2)
4.001 * [approximate]: Taking taylor expansion of (* -1.0 (* x (+ x 1.0))) in (x) around 0
4.001 * [taylor]: Taking taylor expansion of (* -1.0 (* x (+ x 1.0))) in x
4.001 * [taylor]: Taking taylor expansion of -1.0 in x
4.001 * [taylor]: Taking taylor expansion of (* x (+ x 1.0)) in x
4.002 * [taylor]: Taking taylor expansion of x in x
4.002 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
4.002 * [taylor]: Taking taylor expansion of x in x
4.002 * [taylor]: Taking taylor expansion of 1.0 in x
4.002 * [taylor]: Taking taylor expansion of (* -1.0 (* x (+ x 1.0))) in x
4.002 * [taylor]: Taking taylor expansion of -1.0 in x
4.002 * [taylor]: Taking taylor expansion of (* x (+ x 1.0)) in x
4.002 * [taylor]: Taking taylor expansion of x in x
4.002 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
4.002 * [taylor]: Taking taylor expansion of x in x
4.002 * [taylor]: Taking taylor expansion of 1.0 in x
4.025 * [approximate]: Taking taylor expansion of (* -1.0 (/ (+ 1.0 (/ 1 x)) x)) in (x) around 0
4.025 * [taylor]: Taking taylor expansion of (* -1.0 (/ (+ 1.0 (/ 1 x)) x)) in x
4.025 * [taylor]: Taking taylor expansion of -1.0 in x
4.025 * [taylor]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) x) in x
4.025 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
4.025 * [taylor]: Taking taylor expansion of 1.0 in x
4.026 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.026 * [taylor]: Taking taylor expansion of x in x
4.026 * [taylor]: Taking taylor expansion of x in x
4.026 * [taylor]: Taking taylor expansion of (* -1.0 (/ (+ 1.0 (/ 1 x)) x)) in x
4.026 * [taylor]: Taking taylor expansion of -1.0 in x
4.026 * [taylor]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) x) in x
4.027 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
4.027 * [taylor]: Taking taylor expansion of 1.0 in x
4.027 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.027 * [taylor]: Taking taylor expansion of x in x
4.027 * [taylor]: Taking taylor expansion of x in x
4.044 * [approximate]: Taking taylor expansion of (* 1.0 (/ (- 1.0 (/ 1 x)) x)) in (x) around 0
4.044 * [taylor]: Taking taylor expansion of (* 1.0 (/ (- 1.0 (/ 1 x)) x)) in x
4.044 * [taylor]: Taking taylor expansion of 1.0 in x
4.044 * [taylor]: Taking taylor expansion of (/ (- 1.0 (/ 1 x)) x) in x
4.044 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
4.044 * [taylor]: Taking taylor expansion of 1.0 in x
4.044 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.044 * [taylor]: Taking taylor expansion of x in x
4.045 * [taylor]: Taking taylor expansion of x in x
4.046 * [taylor]: Taking taylor expansion of (* 1.0 (/ (- 1.0 (/ 1 x)) x)) in x
4.046 * [taylor]: Taking taylor expansion of 1.0 in x
4.046 * [taylor]: Taking taylor expansion of (/ (- 1.0 (/ 1 x)) x) in x
4.046 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
4.046 * [taylor]: Taking taylor expansion of 1.0 in x
4.046 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.046 * [taylor]: Taking taylor expansion of x in x
4.046 * [taylor]: Taking taylor expansion of x in x
4.065 * * * [progress]: simplifying candidates
4.066 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (log 1.0) (+ (log x) (- (log (+ x 1.0)) (log (- 1.0)))))
  (- (log 1.0) (+ (log x) (log (/ (+ x 1.0) (- 1.0)))))
  (- (log 1.0) (log (* x (/ (+ x 1.0) (- 1.0)))))
  (log (/ 1.0 (* x (/ (+ x 1.0) (- 1.0)))))
  (exp (/ 1.0 (* x (/ (+ x 1.0) (- 1.0)))))
  (/ (* (* 1.0 1.0) 1.0) (* (* (* x x) x) (/ (* (* (+ x 1.0) (+ x 1.0)) (+ x 1.0)) (* (* (- 1.0) (- 1.0)) (- 1.0)))))
  (/ (* (* 1.0 1.0) 1.0) (* (* (* x x) x) (* (* (/ (+ x 1.0) (- 1.0)) (/ (+ x 1.0) (- 1.0))) (/ (+ x 1.0) (- 1.0)))))
  (/ (* (* 1.0 1.0) 1.0) (* (* (* x (/ (+ x 1.0) (- 1.0))) (* x (/ (+ x 1.0) (- 1.0)))) (* x (/ (+ x 1.0) (- 1.0)))))
  (* (cbrt (/ 1.0 (* x (/ (+ x 1.0) (- 1.0))))) (cbrt (/ 1.0 (* x (/ (+ x 1.0) (- 1.0))))))
  (cbrt (/ 1.0 (* x (/ (+ x 1.0) (- 1.0)))))
  (* (* (/ 1.0 (* x (/ (+ x 1.0) (- 1.0)))) (/ 1.0 (* x (/ (+ x 1.0) (- 1.0))))) (/ 1.0 (* x (/ (+ x 1.0) (- 1.0)))))
  (sqrt (/ 1.0 (* x (/ (+ x 1.0) (- 1.0)))))
  (sqrt (/ 1.0 (* x (/ (+ x 1.0) (- 1.0)))))
  (- 1.0)
  (- (* x (/ (+ x 1.0) (- 1.0))))
  (/ (* (cbrt 1.0) (cbrt 1.0)) x)
  (/ (cbrt 1.0) (/ (+ x 1.0) (- 1.0)))
  (/ (sqrt 1.0) x)
  (/ (sqrt 1.0) (/ (+ x 1.0) (- 1.0)))
  (/ 1 x)
  (/ 1.0 (/ (+ x 1.0) (- 1.0)))
  (/ 1 (* x (/ (+ x 1.0) (- 1.0))))
  (/ (* x (/ (+ x 1.0) (- 1.0))) 1.0)
  (/ 1.0 x)
  (/ (* x (/ (+ x 1.0) (- 1.0))) (cbrt 1.0))
  (/ (* x (/ (+ x 1.0) (- 1.0))) (sqrt 1.0))
  (/ (* x (/ (+ x 1.0) (- 1.0))) 1.0)
  (/ 1.0 (* x (+ x 1.0)))
  (* x (/ (+ x 1.0) (- 1.0)))
  (+ (log x) (- (log (+ x 1.0)) (log (- 1.0))))
  (+ (log x) (log (/ (+ x 1.0) (- 1.0))))
  (log (* x (/ (+ x 1.0) (- 1.0))))
  (exp (* x (/ (+ x 1.0) (- 1.0))))
  (* (* (* x x) x) (/ (* (* (+ x 1.0) (+ x 1.0)) (+ x 1.0)) (* (* (- 1.0) (- 1.0)) (- 1.0))))
  (* (* (* x x) x) (* (* (/ (+ x 1.0) (- 1.0)) (/ (+ x 1.0) (- 1.0))) (/ (+ x 1.0) (- 1.0))))
  (* (cbrt (* x (/ (+ x 1.0) (- 1.0)))) (cbrt (* x (/ (+ x 1.0) (- 1.0)))))
  (cbrt (* x (/ (+ x 1.0) (- 1.0))))
  (* (* (* x (/ (+ x 1.0) (- 1.0))) (* x (/ (+ x 1.0) (- 1.0)))) (* x (/ (+ x 1.0) (- 1.0))))
  (sqrt (* x (/ (+ x 1.0) (- 1.0))))
  (sqrt (* x (/ (+ x 1.0) (- 1.0))))
  (* (sqrt x) (sqrt (/ (+ x 1.0) (- 1.0))))
  (* (sqrt x) (sqrt (/ (+ x 1.0) (- 1.0))))
  (* (sqrt x) (/ (sqrt (+ x 1.0)) (sqrt (- 1.0))))
  (* (sqrt x) (/ (sqrt (+ x 1.0)) (sqrt (- 1.0))))
  (* x (* (cbrt (/ (+ x 1.0) (- 1.0))) (cbrt (/ (+ x 1.0) (- 1.0)))))
  (* x (sqrt (/ (+ x 1.0) (- 1.0))))
  (* x (/ (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) (* (cbrt (- 1.0)) (cbrt (- 1.0)))))
  (* x (/ (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) (sqrt (- 1.0))))
  (* x (/ (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) 1))
  (* x (/ (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) -1))
  (* x (/ (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) (- (* (cbrt 1.0) (cbrt 1.0)))))
  (* x (/ (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) (- (sqrt 1.0))))
  (* x (/ (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) (- 1)))
  (* x (/ (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) (* (cbrt 1.0) (cbrt 1.0))))
  (* x (/ (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) (sqrt 1.0)))
  (* x (/ (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) 1))
  (* x (/ (sqrt (+ x 1.0)) (* (cbrt (- 1.0)) (cbrt (- 1.0)))))
  (* x (/ (sqrt (+ x 1.0)) (sqrt (- 1.0))))
  (* x (/ (sqrt (+ x 1.0)) 1))
  (* x (/ (sqrt (+ x 1.0)) -1))
  (* x (/ (sqrt (+ x 1.0)) (- (* (cbrt 1.0) (cbrt 1.0)))))
  (* x (/ (sqrt (+ x 1.0)) (- (sqrt 1.0))))
  (* x (/ (sqrt (+ x 1.0)) (- 1)))
  (* x (/ (sqrt (+ x 1.0)) (* (cbrt 1.0) (cbrt 1.0))))
  (* x (/ (sqrt (+ x 1.0)) (sqrt 1.0)))
  (* x (/ (sqrt (+ x 1.0)) 1))
  (* x (/ 1 (* (cbrt (- 1.0)) (cbrt (- 1.0)))))
  (* x (/ 1 (sqrt (- 1.0))))
  (* x (/ 1 1))
  (* x (/ 1 -1))
  (* x (/ 1 (- (* (cbrt 1.0) (cbrt 1.0)))))
  (* x (/ 1 (- (sqrt 1.0))))
  (* x (/ 1 (- 1)))
  (* x (/ 1 (* (cbrt 1.0) (cbrt 1.0))))
  (* x (/ 1 (sqrt 1.0)))
  (* x (/ 1 1))
  (* x (/ 1 (* (cbrt (- 1.0)) (cbrt (- 1.0)))))
  (* x (/ 1 (sqrt (- 1.0))))
  (* x (/ 1 1))
  (* x (/ 1 -1))
  (* x (/ 1 (- (* (cbrt 1.0) (cbrt 1.0)))))
  (* x (/ 1 (- (sqrt 1.0))))
  (* x (/ 1 (- 1)))
  (* x (/ 1 (* (cbrt 1.0) (cbrt 1.0))))
  (* x (/ 1 (sqrt 1.0)))
  (* x (/ 1 1))
  (* x 1)
  (* x (+ x 1.0))
  (* (cbrt x) (/ (+ x 1.0) (- 1.0)))
  (* (sqrt x) (/ (+ x 1.0) (- 1.0)))
  (* x (/ (+ x 1.0) (- 1.0)))
  (* x (+ x 1.0))
  (- 1.0 (+ (* 1.0 x) (* 1.0 (/ 1 x))))
  (- (* 1.0 (/ 1 (pow x 3))) (+ (* 1.0 (/ 1 (pow x 2))) (* 1.0 (/ 1 (pow x 4)))))
  (- (* 1.0 (/ 1 (pow x 3))) (+ (* 1.0 (/ 1 (pow x 2))) (* 1.0 (/ 1 (pow x 4)))))
  (- (+ (* 1.0 (pow x 2)) (* 1.0 x)))
  (- (+ (* 1.0 (pow x 2)) (* 1.0 x)))
  (- (+ (* 1.0 (pow x 2)) (* 1.0 x)))
4.070 * * [simplify]: iteration  0 :  163  enodes  (cost  1117 )
4.121 * * [simplify]: iteration  1 :  430  enodes  (cost  1022 )
4.260 * * [simplify]: iteration  2 :  1764  enodes  (cost  894 )
4.723 * * [simplify]: iteration  done :  5001  enodes  (cost  890 )
4.728 * [simplify]: Simplified to:
   (log (/ 1.0 (* x (/ (+ x 1.0) (- 1.0)))))
  (log (/ 1.0 (* x (/ (+ x 1.0) (- 1.0)))))
  (log (/ 1.0 (* x (/ (+ x 1.0) (- 1.0)))))
  (log (/ 1.0 (* x (/ (+ x 1.0) (- 1.0)))))
  (exp (/ 1.0 (* x (/ (+ x 1.0) (- 1.0)))))
  (pow (/ 1.0 (* x (/ (+ x 1.0) (- 1.0)))) 3)
  (pow (/ 1.0 (* x (/ (+ x 1.0) (- 1.0)))) 3)
  (pow (/ 1.0 (* x (/ (+ x 1.0) (- 1.0)))) 3)
  (* (cbrt (/ 1.0 (* x (/ (+ x 1.0) (- 1.0))))) (cbrt (/ 1.0 (* x (/ (+ x 1.0) (- 1.0))))))
  (cbrt (/ 1.0 (* x (/ (+ x 1.0) (- 1.0)))))
  (pow (/ 1.0 (* x (/ (+ x 1.0) (- 1.0)))) 3)
  (sqrt (/ 1.0 (* x (/ (+ x 1.0) (- 1.0)))))
  (sqrt (/ 1.0 (* x (/ (+ x 1.0) (- 1.0)))))
  (- 1.0)
  (- (* x (/ (+ x 1.0) (- 1.0))))
  (/ (* (cbrt 1.0) (cbrt 1.0)) x)
  (/ (cbrt 1.0) (/ (+ x 1.0) (- 1.0)))
  (/ (sqrt 1.0) x)
  (/ (sqrt 1.0) (/ (+ x 1.0) (- 1.0)))
  (/ 1 x)
  (/ (* (- 1.0) 1.0) (+ x 1.0))
  (/ 1 (* x (/ (+ x 1.0) (- 1.0))))
  (/ (* x (/ (+ x 1.0) (- 1.0))) 1.0)
  (/ 1.0 x)
  (/ (* x (/ (+ x 1.0) (- 1.0))) (cbrt 1.0))
  (/ (* x (/ (+ x 1.0) (- 1.0))) (sqrt 1.0))
  (/ (* x (/ (+ x 1.0) (- 1.0))) 1.0)
  (/ 1.0 (* x (+ x 1.0)))
  (* x (/ (+ x 1.0) (- 1.0)))
  (log (* x (/ (+ x 1.0) (- 1.0))))
  (log (* x (/ (+ x 1.0) (- 1.0))))
  (log (* x (/ (+ x 1.0) (- 1.0))))
  (exp (* x (/ (+ x 1.0) (- 1.0))))
  (pow (* x (/ (+ x 1.0) (- 1.0))) 3)
  (pow (* x (/ (+ x 1.0) (- 1.0))) 3)
  (* (cbrt (* x (/ (+ x 1.0) (- 1.0)))) (cbrt (* x (/ (+ x 1.0) (- 1.0)))))
  (cbrt (* x (/ (+ x 1.0) (- 1.0))))
  (pow (* x (/ (+ x 1.0) (- 1.0))) 3)
  (sqrt (* x (/ (+ x 1.0) (- 1.0))))
  (sqrt (* x (/ (+ x 1.0) (- 1.0))))
  (* (sqrt x) (sqrt (/ (+ x 1.0) (- 1.0))))
  (* (sqrt x) (sqrt (/ (+ x 1.0) (- 1.0))))
  (* (sqrt x) (/ (sqrt (+ x 1.0)) (sqrt (- 1.0))))
  (* (sqrt x) (/ (sqrt (+ x 1.0)) (sqrt (- 1.0))))
  (* x (* (cbrt (/ (+ x 1.0) (- 1.0))) (cbrt (/ (+ x 1.0) (- 1.0)))))
  (* x (sqrt (/ (+ x 1.0) (- 1.0))))
  (* x (/ (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) (* (cbrt (- 1.0)) (cbrt (- 1.0)))))
  (* x (/ (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) (sqrt (- 1.0))))
  (* x (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))))
  (* (- x) (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))))
  (* x (/ (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) (- (* (cbrt 1.0) (cbrt 1.0)))))
  (* x (/ (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) (- (sqrt 1.0))))
  (* (- x) (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))))
  (* x (/ (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) (* (cbrt 1.0) (cbrt 1.0))))
  (* x (/ (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) (sqrt 1.0)))
  (* x (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))))
  (* x (/ (sqrt (+ x 1.0)) (* (cbrt (- 1.0)) (cbrt (- 1.0)))))
  (* x (/ (sqrt (+ x 1.0)) (sqrt (- 1.0))))
  (* x (sqrt (+ x 1.0)))
  (* (- x) (sqrt (+ x 1.0)))
  (* x (/ (sqrt (+ x 1.0)) (- (* (cbrt 1.0) (cbrt 1.0)))))
  (* x (/ (sqrt (+ x 1.0)) (- (sqrt 1.0))))
  (* (- x) (sqrt (+ x 1.0)))
  (* x (/ (sqrt (+ x 1.0)) (* (cbrt 1.0) (cbrt 1.0))))
  (* x (/ (sqrt (+ x 1.0)) (sqrt 1.0)))
  (* x (sqrt (+ x 1.0)))
  (/ x (* (cbrt (- 1.0)) (cbrt (- 1.0))))
  (/ x (sqrt (- 1.0)))
  x
  (- x)
  (/ x (- (* (cbrt 1.0) (cbrt 1.0))))
  (/ x (- (sqrt 1.0)))
  (- x)
  (/ x (* (cbrt 1.0) (cbrt 1.0)))
  (/ x (sqrt 1.0))
  x
  (/ x (* (cbrt (- 1.0)) (cbrt (- 1.0))))
  (/ x (sqrt (- 1.0)))
  x
  (- x)
  (/ x (- (* (cbrt 1.0) (cbrt 1.0))))
  (/ x (- (sqrt 1.0)))
  (- x)
  (/ x (* (cbrt 1.0) (cbrt 1.0)))
  (/ x (sqrt 1.0))
  x
  x
  (* x (+ x 1.0))
  (* (cbrt x) (/ (+ x 1.0) (- 1.0)))
  (* (sqrt x) (/ (+ x 1.0) (- 1.0)))
  (* x (/ (+ x 1.0) (- 1.0)))
  (* x (+ x 1.0))
  (- 1.0 (* 1.0 (+ x (/ 1 x))))
  (- (- (/ 1.0 (pow x 3)) (/ 1.0 (* x x))) (/ 1.0 (pow x 4)))
  (- (- (/ 1.0 (pow x 3)) (/ 1.0 (* x x))) (/ 1.0 (pow x 4)))
  (- (* 1.0 (+ (* x x) x)))
  (- (* 1.0 (+ (* x x) x)))
  (- (* 1.0 (+ (* x x) x)))
4.728 * * * [progress]: adding candidates to table
4.864 * [progress]: [Phase 3 of 3] Extracting.
4.864 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (/ (* (* (/ 1 (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0)))) (/ 1.0 (cbrt (+ x 1.0)))) (- 1.0)) x))> #<alt (λ (x) (* (/ (* 1.0 (- 1.0)) (* (- (* x x) (* 1.0 1.0)) x)) (- x 1.0)))> #<alt (λ (x) (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x))> #<alt (λ (x) (/ 1.0 (* x (/ (+ x 1.0) (- 1.0)))))> #<alt (λ (x) (/ 1.0 (* (* x (/ (sqrt (+ x 1.0)) (* (cbrt (- 1.0)) (cbrt (- 1.0))))) (/ (sqrt (+ x 1.0)) (cbrt (- 1.0))))))>)
4.864 * * * [regime-changes]: Trying 1 branch expressions: (x)
4.864 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (/ (* (* (/ 1 (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0)))) (/ 1.0 (cbrt (+ x 1.0)))) (- 1.0)) x))> #<alt (λ (x) (* (/ (* 1.0 (- 1.0)) (* (- (* x x) (* 1.0 1.0)) x)) (- x 1.0)))> #<alt (λ (x) (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x))> #<alt (λ (x) (/ 1.0 (* x (/ (+ x 1.0) (- 1.0)))))> #<alt (λ (x) (/ 1.0 (* (* x (/ (sqrt (+ x 1.0)) (* (cbrt (- 1.0)) (cbrt (- 1.0))))) (/ (sqrt (+ x 1.0)) (cbrt (- 1.0))))))>)
4.884 * * * [regime]: Found split indices: #<option (#s(si 2 255))>
4.884 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x)
4.884 * * [simplify]: iteration  0 :  7  enodes  (cost  10 )
4.884 * * [simplify]: iteration  1 :  11  enodes  (cost  10 )
4.885 * * [simplify]: iteration  2 :  16  enodes  (cost  10 )
4.886 * * [simplify]: iteration  3 :  18  enodes  (cost  10 )
4.887 * * [simplify]: iteration  done :  18  enodes  (cost  10 )
4.887 * [simplify]: Simplified to:
   (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x)
5.390 * [regime-testing]: Baseline error score: 0.07325915739467434
5.391 * [regime-testing]: Oracle error score: 0.014126765845730716
5.392 * [regime-testing]: End program error score: 0.07325915739467434