12.748 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.008 * * * [progress]: [2/2] Setting up program.
0.009 * [progress]: [Phase 2 of 3] Improving.
0.009 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ x (- 1.0 x))
0.010 * * [simplify]: iteration  0 :  4  enodes  (cost  5 )
0.011 * * [simplify]: iteration  1 :  6  enodes  (cost  5 )
0.011 * * [simplify]: iteration  2 :  7  enodes  (cost  5 )
0.012 * * [simplify]: iteration  done :  7  enodes  (cost  5 )
0.012 * [simplify]: Simplified to:
   (/ x (- 1.0 x))
0.012 * * [progress]: iteration 1 / 4
0.012 * * * [progress]: picking best candidate
0.013 * * * * [pick]: Picked  #<alt (λ (x) (/ x (- 1.0 x)))>
0.013 * * * [progress]: localizing error
0.016 * * * [progress]: generating rewritten candidates
0.016 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.023 * * * [progress]: generating series expansions
0.023 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.023 * [approximate]: Taking taylor expansion of (/ x (- 1.0 x)) in (x) around 0
0.023 * [taylor]: Taking taylor expansion of (/ x (- 1.0 x)) in x
0.023 * [taylor]: Taking taylor expansion of x in x
0.023 * [taylor]: Taking taylor expansion of (- 1.0 x) in x
0.023 * [taylor]: Taking taylor expansion of 1.0 in x
0.023 * [taylor]: Taking taylor expansion of x in x
0.024 * [taylor]: Taking taylor expansion of (/ x (- 1.0 x)) in x
0.024 * [taylor]: Taking taylor expansion of x in x
0.024 * [taylor]: Taking taylor expansion of (- 1.0 x) in x
0.024 * [taylor]: Taking taylor expansion of 1.0 in x
0.024 * [taylor]: Taking taylor expansion of x in x
0.031 * [approximate]: Taking taylor expansion of (/ 1 (* (- 1.0 (/ 1 x)) x)) in (x) around 0
0.031 * [taylor]: Taking taylor expansion of (/ 1 (* (- 1.0 (/ 1 x)) x)) in x
0.031 * [taylor]: Taking taylor expansion of (* (- 1.0 (/ 1 x)) x) in x
0.031 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.031 * [taylor]: Taking taylor expansion of 1.0 in x
0.031 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.031 * [taylor]: Taking taylor expansion of x in x
0.031 * [taylor]: Taking taylor expansion of x in x
0.033 * [taylor]: Taking taylor expansion of (/ 1 (* (- 1.0 (/ 1 x)) x)) in x
0.033 * [taylor]: Taking taylor expansion of (* (- 1.0 (/ 1 x)) x) in x
0.033 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.033 * [taylor]: Taking taylor expansion of 1.0 in x
0.033 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.033 * [taylor]: Taking taylor expansion of x in x
0.034 * [taylor]: Taking taylor expansion of x in x
0.045 * [approximate]: Taking taylor expansion of (/ -1 (* (+ (/ 1 x) 1.0) x)) in (x) around 0
0.045 * [taylor]: Taking taylor expansion of (/ -1 (* (+ (/ 1 x) 1.0) x)) in x
0.045 * [taylor]: Taking taylor expansion of -1 in x
0.045 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) 1.0) x) in x
0.045 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.045 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.045 * [taylor]: Taking taylor expansion of x in x
0.045 * [taylor]: Taking taylor expansion of 1.0 in x
0.045 * [taylor]: Taking taylor expansion of x in x
0.047 * [taylor]: Taking taylor expansion of (/ -1 (* (+ (/ 1 x) 1.0) x)) in x
0.047 * [taylor]: Taking taylor expansion of -1 in x
0.047 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) 1.0) x) in x
0.047 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.047 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.047 * [taylor]: Taking taylor expansion of x in x
0.047 * [taylor]: Taking taylor expansion of 1.0 in x
0.047 * [taylor]: Taking taylor expansion of x in x
0.057 * * * [progress]: simplifying candidates
0.058 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (/ x (- 1.0 x)))
  (log1p (/ x (- 1.0 x)))
  (- (log x) (log (- 1.0 x)))
  (log (/ x (- 1.0 x)))
  (exp (/ x (- 1.0 x)))
  (/ (* (* x x) x) (* (* (- 1.0 x) (- 1.0 x)) (- 1.0 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)))
  (- x)
  (- (- 1.0 x))
  (/ (* (cbrt x) (cbrt x)) (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ (cbrt x) (cbrt (- 1.0 x)))
  (/ (* (cbrt x) (cbrt x)) (sqrt (- 1.0 x)))
  (/ (cbrt x) (sqrt (- 1.0 x)))
  (/ (* (cbrt x) (cbrt x)) 1)
  (/ (cbrt x) (- 1.0 x))
  (/ (* (cbrt x) (cbrt x)) (+ (sqrt 1.0) (sqrt x)))
  (/ (cbrt x) (- (sqrt 1.0) (sqrt x)))
  (/ (* (cbrt x) (cbrt x)) 1)
  (/ (cbrt x) (- 1.0 x))
  (/ (sqrt x) (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ (sqrt x) (cbrt (- 1.0 x)))
  (/ (sqrt x) (sqrt (- 1.0 x)))
  (/ (sqrt x) (sqrt (- 1.0 x)))
  (/ (sqrt x) 1)
  (/ (sqrt x) (- 1.0 x))
  (/ (sqrt x) (+ (sqrt 1.0) (sqrt x)))
  (/ (sqrt x) (- (sqrt 1.0) (sqrt x)))
  (/ (sqrt x) 1)
  (/ (sqrt x) (- 1.0 x))
  (/ 1 (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ x (cbrt (- 1.0 x)))
  (/ 1 (sqrt (- 1.0 x)))
  (/ x (sqrt (- 1.0 x)))
  (/ 1 1)
  (/ x (- 1.0 x))
  (/ 1 (+ (sqrt 1.0) (sqrt x)))
  (/ x (- (sqrt 1.0) (sqrt x)))
  (/ 1 1)
  (/ x (- 1.0 x))
  (/ 1 (- 1.0 x))
  (/ (- 1.0 x) x)
  (/ x (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ x (sqrt (- 1.0 x)))
  (/ x 1)
  (/ x (+ (sqrt 1.0) (sqrt x)))
  (/ x 1)
  (/ (- 1.0 x) (cbrt x))
  (/ (- 1.0 x) (sqrt x))
  (/ (- 1.0 x) x)
  (/ x (- (pow 1.0 3) (pow x 3)))
  (/ x (- (* 1.0 1.0) (* x x)))
  (+ (* 1.0 (pow x 2)) (+ (* 1.0 (pow x 3)) (* 1.0 x)))
  (- (+ (* 1.0 (/ 1 (pow x 2))) (+ (* 1.0 (/ 1 x)) 1)))
  (- (+ (* 1.0 (/ 1 (pow x 2))) (+ (* 1.0 (/ 1 x)) 1)))
0.060 * * [simplify]: iteration  0 :  84  enodes  (cost  436 )
0.076 * * [simplify]: iteration  1 :  180  enodes  (cost  410 )
0.112 * * [simplify]: iteration  2 :  622  enodes  (cost  387 )
0.334 * * [simplify]: iteration  3 :  2986  enodes  (cost  384 )
1.844 * * [simplify]: iteration  done :  5000  enodes  (cost  383 )
1.844 * [simplify]: Simplified to:
   (expm1 (/ x (- 1.0 x)))
  (log1p (/ x (- 1.0 x)))
  (log (/ x (- 1.0 x)))
  (log (/ x (- 1.0 x)))
  (exp (/ x (- 1.0 x)))
  (pow (/ x (- 1.0 x)) 3)
  (* (cbrt (/ x (- 1.0 x))) (cbrt (/ x (- 1.0 x))))
  (cbrt (/ x (- 1.0 x)))
  (pow (/ x (- 1.0 x)) 3)
  (sqrt (/ x (- 1.0 x)))
  (sqrt (/ x (- 1.0 x)))
  (- x)
  (- x 1.0)
  (/ (* (cbrt x) (cbrt x)) (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ (cbrt x) (cbrt (- 1.0 x)))
  (/ (* (cbrt x) (cbrt x)) (sqrt (- 1.0 x)))
  (/ (cbrt x) (sqrt (- 1.0 x)))
  (* (cbrt x) (cbrt x))
  (/ (cbrt x) (- 1.0 x))
  (/ (* (cbrt x) (cbrt x)) (+ (sqrt 1.0) (sqrt x)))
  (/ (cbrt x) (- (sqrt 1.0) (sqrt x)))
  (* (cbrt x) (cbrt x))
  (/ (cbrt x) (- 1.0 x))
  (/ (sqrt x) (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ (sqrt x) (cbrt (- 1.0 x)))
  (/ (sqrt x) (sqrt (- 1.0 x)))
  (/ (sqrt x) (sqrt (- 1.0 x)))
  (sqrt x)
  (/ (sqrt x) (- 1.0 x))
  (/ (sqrt x) (+ (sqrt 1.0) (sqrt x)))
  (/ (sqrt x) (- (sqrt 1.0) (sqrt x)))
  (sqrt x)
  (/ (sqrt x) (- 1.0 x))
  (/ 1 (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ x (cbrt (- 1.0 x)))
  (/ 1 (sqrt (- 1.0 x)))
  (/ x (sqrt (- 1.0 x)))
  1
  (/ x (- 1.0 x))
  (/ 1 (+ (sqrt 1.0) (sqrt x)))
  (/ x (- (sqrt 1.0) (sqrt x)))
  1
  (/ x (- 1.0 x))
  (/ 1 (- 1.0 x))
  (/ (- 1.0 x) x)
  (/ x (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ x (sqrt (- 1.0 x)))
  x
  (/ x (+ (sqrt 1.0) (sqrt x)))
  x
  (/ (- 1.0 x) (cbrt x))
  (/ (- 1.0 x) (sqrt x))
  (/ (- 1.0 x) x)
  (/ x (- (pow 1.0 3) (pow x 3)))
  (/ x (- (* 1.0 1.0) (* x x)))
  (* 1.0 (fma x x (+ (pow x 3) x)))
  (- (- -1 (/ 1.0 x)) (/ 1.0 (* x x)))
  (- (- -1 (/ 1.0 x)) (/ 1.0 (* x x)))
1.845 * * * [progress]: adding candidates to table
1.908 * * [progress]: iteration 2 / 4
1.908 * * * [progress]: picking best candidate
1.909 * * * * [pick]: Picked  #<alt (λ (x) (* x (/ 1 (- 1.0 x))))>
1.909 * * * [progress]: localizing error
1.913 * * * [progress]: generating rewritten candidates
1.913 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
1.930 * * * * [progress]: [ 2 / 2 ] rewriting at (2 2)
1.940 * * * [progress]: generating series expansions
1.940 * * * * [progress]: [ 1 / 2 ] generating series at (2)
1.941 * [approximate]: Taking taylor expansion of (/ x (- 1.0 x)) in (x) around 0
1.941 * [taylor]: Taking taylor expansion of (/ x (- 1.0 x)) in x
1.941 * [taylor]: Taking taylor expansion of x in x
1.941 * [taylor]: Taking taylor expansion of (- 1.0 x) in x
1.941 * [taylor]: Taking taylor expansion of 1.0 in x
1.941 * [taylor]: Taking taylor expansion of x in x
1.942 * [taylor]: Taking taylor expansion of (/ x (- 1.0 x)) in x
1.942 * [taylor]: Taking taylor expansion of x in x
1.942 * [taylor]: Taking taylor expansion of (- 1.0 x) in x
1.942 * [taylor]: Taking taylor expansion of 1.0 in x
1.942 * [taylor]: Taking taylor expansion of x in x
1.948 * [approximate]: Taking taylor expansion of (/ 1 (* (- 1.0 (/ 1 x)) x)) in (x) around 0
1.948 * [taylor]: Taking taylor expansion of (/ 1 (* (- 1.0 (/ 1 x)) x)) in x
1.948 * [taylor]: Taking taylor expansion of (* (- 1.0 (/ 1 x)) x) in x
1.948 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
1.948 * [taylor]: Taking taylor expansion of 1.0 in x
1.948 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.948 * [taylor]: Taking taylor expansion of x in x
1.948 * [taylor]: Taking taylor expansion of x in x
1.950 * [taylor]: Taking taylor expansion of (/ 1 (* (- 1.0 (/ 1 x)) x)) in x
1.950 * [taylor]: Taking taylor expansion of (* (- 1.0 (/ 1 x)) x) in x
1.950 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
1.951 * [taylor]: Taking taylor expansion of 1.0 in x
1.951 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.951 * [taylor]: Taking taylor expansion of x in x
1.951 * [taylor]: Taking taylor expansion of x in x
1.962 * [approximate]: Taking taylor expansion of (/ -1 (* (+ (/ 1 x) 1.0) x)) in (x) around 0
1.962 * [taylor]: Taking taylor expansion of (/ -1 (* (+ (/ 1 x) 1.0) x)) in x
1.962 * [taylor]: Taking taylor expansion of -1 in x
1.962 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) 1.0) x) in x
1.962 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
1.962 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.962 * [taylor]: Taking taylor expansion of x in x
1.962 * [taylor]: Taking taylor expansion of 1.0 in x
1.962 * [taylor]: Taking taylor expansion of x in x
1.964 * [taylor]: Taking taylor expansion of (/ -1 (* (+ (/ 1 x) 1.0) x)) in x
1.964 * [taylor]: Taking taylor expansion of -1 in x
1.964 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) 1.0) x) in x
1.964 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
1.964 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.964 * [taylor]: Taking taylor expansion of x in x
1.964 * [taylor]: Taking taylor expansion of 1.0 in x
1.964 * [taylor]: Taking taylor expansion of x in x
1.975 * * * * [progress]: [ 2 / 2 ] generating series at (2 2)
1.975 * [approximate]: Taking taylor expansion of (/ 1 (- 1.0 x)) in (x) around 0
1.975 * [taylor]: Taking taylor expansion of (/ 1 (- 1.0 x)) in x
1.975 * [taylor]: Taking taylor expansion of (- 1.0 x) in x
1.975 * [taylor]: Taking taylor expansion of 1.0 in x
1.975 * [taylor]: Taking taylor expansion of x in x
1.976 * [taylor]: Taking taylor expansion of (/ 1 (- 1.0 x)) in x
1.976 * [taylor]: Taking taylor expansion of (- 1.0 x) in x
1.976 * [taylor]: Taking taylor expansion of 1.0 in x
1.976 * [taylor]: Taking taylor expansion of x in x
1.981 * [approximate]: Taking taylor expansion of (/ 1 (- 1.0 (/ 1 x))) in (x) around 0
1.981 * [taylor]: Taking taylor expansion of (/ 1 (- 1.0 (/ 1 x))) in x
1.981 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
1.981 * [taylor]: Taking taylor expansion of 1.0 in x
1.981 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.981 * [taylor]: Taking taylor expansion of x in x
1.982 * [taylor]: Taking taylor expansion of (/ 1 (- 1.0 (/ 1 x))) in x
1.982 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
1.982 * [taylor]: Taking taylor expansion of 1.0 in x
1.982 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.982 * [taylor]: Taking taylor expansion of x in x
1.990 * [approximate]: Taking taylor expansion of (/ 1 (+ (/ 1 x) 1.0)) in (x) around 0
1.990 * [taylor]: Taking taylor expansion of (/ 1 (+ (/ 1 x) 1.0)) in x
1.990 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
1.990 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.990 * [taylor]: Taking taylor expansion of x in x
1.990 * [taylor]: Taking taylor expansion of 1.0 in x
1.990 * [taylor]: Taking taylor expansion of (/ 1 (+ (/ 1 x) 1.0)) in x
1.991 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
1.991 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.991 * [taylor]: Taking taylor expansion of x in x
1.991 * [taylor]: Taking taylor expansion of 1.0 in x
1.997 * * * [progress]: simplifying candidates
1.999 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (* x (/ 1 (- 1.0 x))))
  (log1p (* x (/ 1 (- 1.0 x))))
  (* x (/ 1 (- 1.0 x)))
  (+ (log x) (- (log (- 1.0 x))))
  (+ (log x) (- 0 (log (- 1.0 x))))
  (+ (log x) (- (log 1) (log (- 1.0 x))))
  (+ (log x) (log (/ 1 (- 1.0 x))))
  (log (* x (/ 1 (- 1.0 x))))
  (exp (* x (/ 1 (- 1.0 x))))
  (* (* (* x x) x) (/ (* (* 1 1) 1) (* (* (- 1.0 x) (- 1.0 x)) (- 1.0 x))))
  (* (* (* x x) x) (* (* (/ 1 (- 1.0 x)) (/ 1 (- 1.0 x))) (/ 1 (- 1.0 x))))
  (* (cbrt (* x (/ 1 (- 1.0 x)))) (cbrt (* x (/ 1 (- 1.0 x)))))
  (cbrt (* x (/ 1 (- 1.0 x))))
  (* (* (* x (/ 1 (- 1.0 x))) (* x (/ 1 (- 1.0 x)))) (* x (/ 1 (- 1.0 x))))
  (sqrt (* x (/ 1 (- 1.0 x))))
  (sqrt (* x (/ 1 (- 1.0 x))))
  (* (sqrt x) (sqrt (/ 1 (- 1.0 x))))
  (* (sqrt x) (sqrt (/ 1 (- 1.0 x))))
  (* (sqrt x) (/ (sqrt 1) (sqrt (- 1.0 x))))
  (* (sqrt x) (/ (sqrt 1) (sqrt (- 1.0 x))))
  (* (sqrt x) (/ 1 (sqrt (- 1.0 x))))
  (* (sqrt x) (/ 1 (sqrt (- 1.0 x))))
  (* x (* (cbrt (/ 1 (- 1.0 x))) (cbrt (/ 1 (- 1.0 x)))))
  (* x (sqrt (/ 1 (- 1.0 x))))
  (* x (/ (* (cbrt 1) (cbrt 1)) (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x)))))
  (* x (/ (* (cbrt 1) (cbrt 1)) (sqrt (- 1.0 x))))
  (* x (/ (* (cbrt 1) (cbrt 1)) 1))
  (* x (/ (* (cbrt 1) (cbrt 1)) (+ (sqrt 1.0) (sqrt x))))
  (* x (/ (* (cbrt 1) (cbrt 1)) 1))
  (* x (/ (sqrt 1) (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x)))))
  (* x (/ (sqrt 1) (sqrt (- 1.0 x))))
  (* x (/ (sqrt 1) 1))
  (* x (/ (sqrt 1) (+ (sqrt 1.0) (sqrt x))))
  (* x (/ (sqrt 1) 1))
  (* x (/ 1 (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x)))))
  (* x (/ 1 (sqrt (- 1.0 x))))
  (* x (/ 1 1))
  (* x (/ 1 (+ (sqrt 1.0) (sqrt x))))
  (* x (/ 1 1))
  (* x 1)
  (* x 1)
  (* x (/ 1 (- (pow 1.0 3) (pow x 3))))
  (* x (/ 1 (- (* 1.0 1.0) (* x x))))
  (* (cbrt x) (/ 1 (- 1.0 x)))
  (* (sqrt x) (/ 1 (- 1.0 x)))
  (* x (/ 1 (- 1.0 x)))
  (* x 1)
  (expm1 (/ 1 (- 1.0 x)))
  (log1p (/ 1 (- 1.0 x)))
  (- 1)
  (- (log (- 1.0 x)))
  (- 0 (log (- 1.0 x)))
  (- (log 1) (log (- 1.0 x)))
  (log (/ 1 (- 1.0 x)))
  (exp (/ 1 (- 1.0 x)))
  (/ (* (* 1 1) 1) (* (* (- 1.0 x) (- 1.0 x)) (- 1.0 x)))
  (* (cbrt (/ 1 (- 1.0 x))) (cbrt (/ 1 (- 1.0 x))))
  (cbrt (/ 1 (- 1.0 x)))
  (* (* (/ 1 (- 1.0 x)) (/ 1 (- 1.0 x))) (/ 1 (- 1.0 x)))
  (sqrt (/ 1 (- 1.0 x)))
  (sqrt (/ 1 (- 1.0 x)))
  (- 1)
  (- (- 1.0 x))
  (/ (* (cbrt 1) (cbrt 1)) (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ (cbrt 1) (cbrt (- 1.0 x)))
  (/ (* (cbrt 1) (cbrt 1)) (sqrt (- 1.0 x)))
  (/ (cbrt 1) (sqrt (- 1.0 x)))
  (/ (* (cbrt 1) (cbrt 1)) 1)
  (/ (cbrt 1) (- 1.0 x))
  (/ (* (cbrt 1) (cbrt 1)) (+ (sqrt 1.0) (sqrt x)))
  (/ (cbrt 1) (- (sqrt 1.0) (sqrt x)))
  (/ (* (cbrt 1) (cbrt 1)) 1)
  (/ (cbrt 1) (- 1.0 x))
  (/ (sqrt 1) (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ (sqrt 1) (cbrt (- 1.0 x)))
  (/ (sqrt 1) (sqrt (- 1.0 x)))
  (/ (sqrt 1) (sqrt (- 1.0 x)))
  (/ (sqrt 1) 1)
  (/ (sqrt 1) (- 1.0 x))
  (/ (sqrt 1) (+ (sqrt 1.0) (sqrt x)))
  (/ (sqrt 1) (- (sqrt 1.0) (sqrt x)))
  (/ (sqrt 1) 1)
  (/ (sqrt 1) (- 1.0 x))
  (/ 1 (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ 1 (cbrt (- 1.0 x)))
  (/ 1 (sqrt (- 1.0 x)))
  (/ 1 (sqrt (- 1.0 x)))
  (/ 1 1)
  (/ 1 (- 1.0 x))
  (/ 1 (+ (sqrt 1.0) (sqrt x)))
  (/ 1 (- (sqrt 1.0) (sqrt x)))
  (/ 1 1)
  (/ 1 (- 1.0 x))
  (/ 1 (- 1.0 x))
  (/ (- 1.0 x) 1)
  (/ 1 (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ 1 (sqrt (- 1.0 x)))
  (/ 1 1)
  (/ 1 (+ (sqrt 1.0) (sqrt x)))
  (/ 1 1)
  (/ (- 1.0 x) (cbrt 1))
  (/ (- 1.0 x) (sqrt 1))
  (/ (- 1.0 x) 1)
  (/ 1 (- (pow 1.0 3) (pow x 3)))
  (/ 1 (- (* 1.0 1.0) (* x x)))
  (+ (* 1.0 (pow x 2)) (+ (* 1.0 (pow x 3)) (* 1.0 x)))
  (- (+ (* 1.0 (/ 1 (pow x 2))) (+ (* 1.0 (/ 1 x)) 1)))
  (- (+ (* 1.0 (/ 1 (pow x 2))) (+ (* 1.0 (/ 1 x)) 1)))
  (+ (* 1.0 (pow x 2)) (+ (* 1.0 x) 1.0))
  (- (+ (* 1.0 (/ 1 (pow x 2))) (+ (/ 1 x) (* 1.0 (/ 1 (pow x 3))))))
  (- (+ (* 1.0 (/ 1 (pow x 2))) (+ (/ 1 x) (* 1.0 (/ 1 (pow x 3))))))
2.002 * * [simplify]: iteration  0 :  132  enodes  (cost  963 )
2.029 * * [simplify]: iteration  1 :  322  enodes  (cost  798 )
2.119 * * [simplify]: iteration  2 :  1228  enodes  (cost  681 )
2.808 * * [simplify]: iteration  done :  5000  enodes  (cost  676 )
2.809 * [simplify]: Simplified to:
   (expm1 (/ x (- 1.0 x)))
  (log1p (/ x (- 1.0 x)))
  (/ x (- 1.0 x))
  (log (/ x (- 1.0 x)))
  (log (/ x (- 1.0 x)))
  (log (/ x (- 1.0 x)))
  (log (/ x (- 1.0 x)))
  (log (/ x (- 1.0 x)))
  (exp (/ x (- 1.0 x)))
  (pow (/ x (- 1.0 x)) 3)
  (pow (/ x (- 1.0 x)) 3)
  (* (cbrt (/ x (- 1.0 x))) (cbrt (/ x (- 1.0 x))))
  (cbrt (/ x (- 1.0 x)))
  (pow (/ x (- 1.0 x)) 3)
  (sqrt (/ x (- 1.0 x)))
  (sqrt (/ x (- 1.0 x)))
  (* (sqrt x) (sqrt (/ 1 (- 1.0 x))))
  (* (sqrt x) (sqrt (/ 1 (- 1.0 x))))
  (/ (sqrt x) (sqrt (- 1.0 x)))
  (/ (sqrt x) (sqrt (- 1.0 x)))
  (/ (sqrt x) (sqrt (- 1.0 x)))
  (/ (sqrt x) (sqrt (- 1.0 x)))
  (* x (* (cbrt (/ 1 (- 1.0 x))) (cbrt (/ 1 (- 1.0 x)))))
  (* x (sqrt (/ 1 (- 1.0 x))))
  (/ x (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ x (sqrt (- 1.0 x)))
  x
  (/ x (+ (sqrt 1.0) (sqrt x)))
  x
  (/ x (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ x (sqrt (- 1.0 x)))
  x
  (/ x (+ (sqrt 1.0) (sqrt x)))
  x
  (/ x (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ x (sqrt (- 1.0 x)))
  x
  (/ x (+ (sqrt 1.0) (sqrt x)))
  x
  x
  x
  (/ x (- (pow 1.0 3) (pow x 3)))
  (/ x (- (* 1.0 1.0) (* x x)))
  (/ (cbrt x) (- 1.0 x))
  (/ (sqrt x) (- 1.0 x))
  (/ x (- 1.0 x))
  x
  (expm1 (/ 1 (- 1.0 x)))
  (log1p (/ 1 (- 1.0 x)))
  -1
  (- (log (- 1.0 x)))
  (- (log (- 1.0 x)))
  (- (log (- 1.0 x)))
  (- (log (- 1.0 x)))
  (exp (/ 1 (- 1.0 x)))
  (/ 1 (pow (- 1.0 x) 3))
  (* (cbrt (/ 1 (- 1.0 x))) (cbrt (/ 1 (- 1.0 x))))
  (cbrt (/ 1 (- 1.0 x)))
  (/ 1 (pow (- 1.0 x) 3))
  (sqrt (/ 1 (- 1.0 x)))
  (sqrt (/ 1 (- 1.0 x)))
  -1
  (- (- 1.0 x))
  (/ (/ 1 (cbrt (- 1.0 x))) (cbrt (- 1.0 x)))
  (/ 1 (cbrt (- 1.0 x)))
  (/ 1 (sqrt (- 1.0 x)))
  (/ 1 (sqrt (- 1.0 x)))
  1
  (/ 1 (- 1.0 x))
  (/ 1 (+ (sqrt x) (sqrt 1.0)))
  (/ 1 (- (sqrt 1.0) (sqrt x)))
  1
  (/ 1 (- 1.0 x))
  (/ (/ 1 (cbrt (- 1.0 x))) (cbrt (- 1.0 x)))
  (/ 1 (cbrt (- 1.0 x)))
  (/ 1 (sqrt (- 1.0 x)))
  (/ 1 (sqrt (- 1.0 x)))
  1
  (/ 1 (- 1.0 x))
  (/ 1 (+ (sqrt x) (sqrt 1.0)))
  (/ 1 (- (sqrt 1.0) (sqrt x)))
  1
  (/ 1 (- 1.0 x))
  (/ (/ 1 (cbrt (- 1.0 x))) (cbrt (- 1.0 x)))
  (/ 1 (cbrt (- 1.0 x)))
  (/ 1 (sqrt (- 1.0 x)))
  (/ 1 (sqrt (- 1.0 x)))
  1
  (/ 1 (- 1.0 x))
  (/ 1 (+ (sqrt x) (sqrt 1.0)))
  (/ 1 (- (sqrt 1.0) (sqrt x)))
  1
  (/ 1 (- 1.0 x))
  (/ 1 (- 1.0 x))
  (- 1.0 x)
  (/ (/ 1 (cbrt (- 1.0 x))) (cbrt (- 1.0 x)))
  (/ 1 (sqrt (- 1.0 x)))
  1
  (/ 1 (+ (sqrt x) (sqrt 1.0)))
  1
  (- 1.0 x)
  (- 1.0 x)
  (- 1.0 x)
  (/ 1 (- (pow 1.0 3) (pow x 3)))
  (/ 1 (fma 1.0 1.0 (- (* x x))))
  (* 1.0 (+ (+ (pow x 3) x) (* x x)))
  (- (- -1 (/ 1.0 x)) (/ 1.0 (* x x)))
  (- (- -1 (/ 1.0 x)) (/ 1.0 (* x x)))
  (+ (* x (fma 1.0 x 1.0)) 1.0)
  (- (- (/ -1 x) (/ 1.0 (pow x 3))) (/ 1.0 (* x x)))
  (- (- (/ -1 x) (/ 1.0 (pow x 3))) (/ 1.0 (* x x)))
2.810 * * * [progress]: adding candidates to table
2.924 * [progress]: [Phase 3 of 3] Extracting.
2.924 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (* x (/ 1 (- 1.0 x))))> #<alt (λ (x) (/ x (- 1.0 x)))>)
2.924 * * * [regime-changes]: Trying 2 branch expressions: ((/ x (- 1.0 x)) x)
2.924 * * * * [regimes]: Trying to branch on (/ x (- 1.0 x)) from (#<alt (λ (x) (* x (/ 1 (- 1.0 x))))> #<alt (λ (x) (/ x (- 1.0 x)))>)
2.934 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (* x (/ 1 (- 1.0 x))))> #<alt (λ (x) (/ x (- 1.0 x)))>)
2.944 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
2.944 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ x (- 1.0 x))
2.944 * * [simplify]: iteration  0 :  4  enodes  (cost  5 )
2.944 * * [simplify]: iteration  done :  4  enodes  (cost  5 )
2.944 * [simplify]: Simplified to:
   (/ x (- 1.0 x))
3.187 * [regime-testing]: Baseline error score: 0.008126015751968996
3.188 * [regime-testing]: Oracle error score: 0.006375796974621828
3.189 * [regime-testing]: End program error score: 0.008126015751968996