0.270 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.010 * * * [progress]: [2/2] Setting up program.
0.012 * [progress]: [Phase 2 of 3] Improving.
0.012 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ (- x y) (- 1.0 y))
0.013 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
0.014 * * [simplify]: iteration  1 :  12  enodes  (cost  7 )
0.016 * * [simplify]: iteration  2 :  16  enodes  (cost  7 )
0.017 * * [simplify]: iteration  3 :  18  enodes  (cost  7 )
0.019 * * [simplify]: iteration  done :  18  enodes  (cost  7 )
0.019 * [simplify]: Simplified to:
   (/ (- x y) (- 1.0 y))
0.019 * * [progress]: iteration 1 / 4
0.019 * * * [progress]: picking best candidate
0.021 * * * * [pick]: Picked  #<alt (λ (x y) (/ (- x y) (- 1.0 y)))>
0.021 * * * [progress]: localizing error
0.025 * * * [progress]: generating rewritten candidates
0.025 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.041 * * * [progress]: generating series expansions
0.041 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.041 * [approximate]: Taking taylor expansion of (/ (- x y) (- 1.0 y)) in (x y) around 0
0.041 * [taylor]: Taking taylor expansion of (/ (- x y) (- 1.0 y)) in y
0.041 * [taylor]: Taking taylor expansion of (- x y) in y
0.041 * [taylor]: Taking taylor expansion of x in y
0.041 * [taylor]: Taking taylor expansion of y in y
0.041 * [taylor]: Taking taylor expansion of (- 1.0 y) in y
0.041 * [taylor]: Taking taylor expansion of 1.0 in y
0.041 * [taylor]: Taking taylor expansion of y in y
0.042 * [taylor]: Taking taylor expansion of (/ (- x y) (- 1.0 y)) in x
0.042 * [taylor]: Taking taylor expansion of (- x y) in x
0.042 * [taylor]: Taking taylor expansion of x in x
0.042 * [taylor]: Taking taylor expansion of y in x
0.042 * [taylor]: Taking taylor expansion of (- 1.0 y) in x
0.042 * [taylor]: Taking taylor expansion of 1.0 in x
0.042 * [taylor]: Taking taylor expansion of y in x
0.043 * [taylor]: Taking taylor expansion of (/ (- x y) (- 1.0 y)) in x
0.043 * [taylor]: Taking taylor expansion of (- x y) in x
0.043 * [taylor]: Taking taylor expansion of x in x
0.043 * [taylor]: Taking taylor expansion of y in x
0.043 * [taylor]: Taking taylor expansion of (- 1.0 y) in x
0.043 * [taylor]: Taking taylor expansion of 1.0 in x
0.043 * [taylor]: Taking taylor expansion of y in x
0.043 * [taylor]: Taking taylor expansion of (* -1 (/ y (- 1.0 y))) in y
0.043 * [taylor]: Taking taylor expansion of -1 in y
0.043 * [taylor]: Taking taylor expansion of (/ y (- 1.0 y)) in y
0.043 * [taylor]: Taking taylor expansion of y in y
0.043 * [taylor]: Taking taylor expansion of (- 1.0 y) in y
0.043 * [taylor]: Taking taylor expansion of 1.0 in y
0.043 * [taylor]: Taking taylor expansion of y in y
0.045 * [taylor]: Taking taylor expansion of (/ 1 (- 1.0 y)) in y
0.045 * [taylor]: Taking taylor expansion of (- 1.0 y) in y
0.045 * [taylor]: Taking taylor expansion of 1.0 in y
0.045 * [taylor]: Taking taylor expansion of y in y
0.047 * [taylor]: Taking taylor expansion of 0 in y
0.049 * [approximate]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) (- 1.0 (/ 1 y))) in (x y) around 0
0.049 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) (- 1.0 (/ 1 y))) in y
0.049 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.049 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.049 * [taylor]: Taking taylor expansion of x in y
0.049 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.050 * [taylor]: Taking taylor expansion of y in y
0.050 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 y)) in y
0.050 * [taylor]: Taking taylor expansion of 1.0 in y
0.050 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.050 * [taylor]: Taking taylor expansion of y in y
0.051 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) (- 1.0 (/ 1 y))) in x
0.051 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.051 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.051 * [taylor]: Taking taylor expansion of x in x
0.052 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.052 * [taylor]: Taking taylor expansion of y in x
0.052 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 y)) in x
0.052 * [taylor]: Taking taylor expansion of 1.0 in x
0.052 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.052 * [taylor]: Taking taylor expansion of y in x
0.052 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) (- 1.0 (/ 1 y))) in x
0.052 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.052 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.052 * [taylor]: Taking taylor expansion of x in x
0.053 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.053 * [taylor]: Taking taylor expansion of y in x
0.053 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 y)) in x
0.053 * [taylor]: Taking taylor expansion of 1.0 in x
0.053 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.053 * [taylor]: Taking taylor expansion of y in x
0.053 * [taylor]: Taking taylor expansion of (/ 1 (- 1.0 (/ 1 y))) in y
0.053 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 y)) in y
0.053 * [taylor]: Taking taylor expansion of 1.0 in y
0.053 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.053 * [taylor]: Taking taylor expansion of y in y
0.056 * [taylor]: Taking taylor expansion of (- (/ 1 (* y (- 1.0 (/ 1 y))))) in y
0.056 * [taylor]: Taking taylor expansion of (/ 1 (* y (- 1.0 (/ 1 y)))) in y
0.056 * [taylor]: Taking taylor expansion of (* y (- 1.0 (/ 1 y))) in y
0.056 * [taylor]: Taking taylor expansion of y in y
0.056 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 y)) in y
0.056 * [taylor]: Taking taylor expansion of 1.0 in y
0.056 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.056 * [taylor]: Taking taylor expansion of y in y
0.060 * [taylor]: Taking taylor expansion of 0 in y
0.066 * [approximate]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 x)) (+ (/ 1 y) 1.0)) in (x y) around 0
0.066 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 x)) (+ (/ 1 y) 1.0)) in y
0.066 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.066 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.066 * [taylor]: Taking taylor expansion of y in y
0.066 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.066 * [taylor]: Taking taylor expansion of x in y
0.066 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1.0) in y
0.066 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.066 * [taylor]: Taking taylor expansion of y in y
0.066 * [taylor]: Taking taylor expansion of 1.0 in y
0.067 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 x)) (+ (/ 1 y) 1.0)) in x
0.067 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.067 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.067 * [taylor]: Taking taylor expansion of y in x
0.067 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.067 * [taylor]: Taking taylor expansion of x in x
0.068 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1.0) in x
0.068 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.068 * [taylor]: Taking taylor expansion of y in x
0.068 * [taylor]: Taking taylor expansion of 1.0 in x
0.068 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 x)) (+ (/ 1 y) 1.0)) in x
0.068 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.068 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.068 * [taylor]: Taking taylor expansion of y in x
0.068 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.068 * [taylor]: Taking taylor expansion of x in x
0.069 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1.0) in x
0.069 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.069 * [taylor]: Taking taylor expansion of y in x
0.069 * [taylor]: Taking taylor expansion of 1.0 in x
0.070 * [taylor]: Taking taylor expansion of (/ -1 (+ (/ 1 y) 1.0)) in y
0.070 * [taylor]: Taking taylor expansion of -1 in y
0.070 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1.0) in y
0.070 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.070 * [taylor]: Taking taylor expansion of y in y
0.070 * [taylor]: Taking taylor expansion of 1.0 in y
0.076 * [taylor]: Taking taylor expansion of (/ 1 (* (+ (/ 1 y) 1.0) y)) in y
0.076 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) 1.0) y) in y
0.076 * [taylor]: Taking taylor expansion of (+ (/ 1 y) 1.0) in y
0.076 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.076 * [taylor]: Taking taylor expansion of y in y
0.077 * [taylor]: Taking taylor expansion of 1.0 in y
0.077 * [taylor]: Taking taylor expansion of y in y
0.081 * [taylor]: Taking taylor expansion of 0 in y
0.085 * * * [progress]: simplifying candidates
0.086 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (/ (- x y) (- 1.0 y)))
  (log1p (/ (- x y) (- 1.0 y)))
  (- (log (- x y)) (log (- 1.0 y)))
  (log (/ (- x y) (- 1.0 y)))
  (exp (/ (- x y) (- 1.0 y)))
  (/ (* (* (- x y) (- x y)) (- x y)) (* (* (- 1.0 y) (- 1.0 y)) (- 1.0 y)))
  (* (cbrt (/ (- x y) (- 1.0 y))) (cbrt (/ (- x y) (- 1.0 y))))
  (cbrt (/ (- x y) (- 1.0 y)))
  (* (* (/ (- x y) (- 1.0 y)) (/ (- x y) (- 1.0 y))) (/ (- x y) (- 1.0 y)))
  (sqrt (/ (- x y) (- 1.0 y)))
  (sqrt (/ (- x y) (- 1.0 y)))
  (- (- x y))
  (- (- 1.0 y))
  (/ x (- 1.0 y))
  (/ y (- 1.0 y))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (* (cbrt (- 1.0 y)) (cbrt (- 1.0 y))))
  (/ (cbrt (- x y)) (cbrt (- 1.0 y)))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (sqrt (- 1.0 y)))
  (/ (cbrt (- x y)) (sqrt (- 1.0 y)))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) 1)
  (/ (cbrt (- x y)) (- 1.0 y))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (+ (sqrt 1.0) (sqrt y)))
  (/ (cbrt (- x y)) (- (sqrt 1.0) (sqrt y)))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) 1)
  (/ (cbrt (- x y)) (- 1.0 y))
  (/ (sqrt (- x y)) (* (cbrt (- 1.0 y)) (cbrt (- 1.0 y))))
  (/ (sqrt (- x y)) (cbrt (- 1.0 y)))
  (/ (sqrt (- x y)) (sqrt (- 1.0 y)))
  (/ (sqrt (- x y)) (sqrt (- 1.0 y)))
  (/ (sqrt (- x y)) 1)
  (/ (sqrt (- x y)) (- 1.0 y))
  (/ (sqrt (- x y)) (+ (sqrt 1.0) (sqrt y)))
  (/ (sqrt (- x y)) (- (sqrt 1.0) (sqrt y)))
  (/ (sqrt (- x y)) 1)
  (/ (sqrt (- x y)) (- 1.0 y))
  (/ 1 (* (cbrt (- 1.0 y)) (cbrt (- 1.0 y))))
  (/ (- x y) (cbrt (- 1.0 y)))
  (/ 1 (sqrt (- 1.0 y)))
  (/ (- x y) (sqrt (- 1.0 y)))
  (/ 1 1)
  (/ (- x y) (- 1.0 y))
  (/ 1 (+ (sqrt 1.0) (sqrt y)))
  (/ (- x y) (- (sqrt 1.0) (sqrt y)))
  (/ 1 1)
  (/ (- x y) (- 1.0 y))
  (/ (+ (sqrt x) (sqrt y)) (* (cbrt (- 1.0 y)) (cbrt (- 1.0 y))))
  (/ (- (sqrt x) (sqrt y)) (cbrt (- 1.0 y)))
  (/ (+ (sqrt x) (sqrt y)) (sqrt (- 1.0 y)))
  (/ (- (sqrt x) (sqrt y)) (sqrt (- 1.0 y)))
  (/ (+ (sqrt x) (sqrt y)) 1)
  (/ (- (sqrt x) (sqrt y)) (- 1.0 y))
  (/ (+ (sqrt x) (sqrt y)) (+ (sqrt 1.0) (sqrt y)))
  (/ (- (sqrt x) (sqrt y)) (- (sqrt 1.0) (sqrt y)))
  (/ (+ (sqrt x) (sqrt y)) 1)
  (/ (- (sqrt x) (sqrt y)) (- 1.0 y))
  (/ 1 (* (cbrt (- 1.0 y)) (cbrt (- 1.0 y))))
  (/ (- x y) (cbrt (- 1.0 y)))
  (/ 1 (sqrt (- 1.0 y)))
  (/ (- x y) (sqrt (- 1.0 y)))
  (/ 1 1)
  (/ (- x y) (- 1.0 y))
  (/ 1 (+ (sqrt 1.0) (sqrt y)))
  (/ (- x y) (- (sqrt 1.0) (sqrt y)))
  (/ 1 1)
  (/ (- x y) (- 1.0 y))
  (/ 1 (- 1.0 y))
  (/ (- 1.0 y) (- x y))
  (/ (- x y) (* (cbrt (- 1.0 y)) (cbrt (- 1.0 y))))
  (/ (- x y) (sqrt (- 1.0 y)))
  (/ (- x y) 1)
  (/ (- x y) (+ (sqrt 1.0) (sqrt y)))
  (/ (- x y) 1)
  (/ (- 1.0 y) (cbrt (- x y)))
  (/ (- 1.0 y) (sqrt (- x y)))
  (/ (- 1.0 y) (- x y))
  (/ (- 1.0 y) (- (sqrt x) (sqrt y)))
  (/ (- 1.0 y) (- x y))
  (/ (- x y) (- (pow 1.0 3) (pow y 3)))
  (/ (- x y) (- (* 1.0 1.0) (* y y)))
  (* (- 1.0 y) (+ (* x x) (+ (* y y) (* x y))))
  (* (- 1.0 y) (+ x y))
  (- (+ (* 1.0 x) (* 1.0 (* x y))) (* 1.0 y))
  (- (+ (* 1.0 (/ 1 y)) 1) (/ x y))
  (- (+ (* 1.0 (/ 1 y)) 1) (/ x y))
0.089 * * [simplify]: iteration  0 :  105  enodes  (cost  756 )
0.106 * * [simplify]: iteration  1 :  260  enodes  (cost  724 )