6.358 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.018 * * * [progress]: [2/2] Setting up program.
0.020 * [progress]: [Phase 2 of 3] Improving.
0.021 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ (- x y) x)
0.021 * * [simplify]: iteration  0 :  4  enodes  (cost  5 )
0.022 * * [simplify]: iteration  1 :  9  enodes  (cost  5 )
0.023 * * [simplify]: iteration  2 :  13  enodes  (cost  5 )
0.024 * * [simplify]: iteration  3 :  17  enodes  (cost  5 )
0.026 * * [simplify]: iteration  done :  17  enodes  (cost  5 )
0.026 * [simplify]: Simplified to:
   (/ (- x y) x)
0.026 * * [progress]: iteration 1 / 4
0.026 * * * [progress]: picking best candidate
0.028 * * * * [pick]: Picked  #<alt (λ (x y) (/ (- x y) x))>
0.028 * * * [progress]: localizing error
0.031 * * * [progress]: generating rewritten candidates
0.031 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.039 * * * [progress]: generating series expansions
0.039 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.039 * [approximate]: Taking taylor expansion of (/ (- x y) x) in (x y) around 0
0.039 * [taylor]: Taking taylor expansion of (/ (- x y) x) in y
0.039 * [taylor]: Taking taylor expansion of (- x y) in y
0.039 * [taylor]: Taking taylor expansion of x in y
0.039 * [taylor]: Taking taylor expansion of y in y
0.039 * [taylor]: Taking taylor expansion of x in y
0.040 * [taylor]: Taking taylor expansion of (/ (- x y) x) in x
0.040 * [taylor]: Taking taylor expansion of (- x y) in x
0.040 * [taylor]: Taking taylor expansion of x in x
0.040 * [taylor]: Taking taylor expansion of y in x
0.040 * [taylor]: Taking taylor expansion of x in x
0.040 * [taylor]: Taking taylor expansion of (/ (- x y) x) in x
0.040 * [taylor]: Taking taylor expansion of (- x y) in x
0.040 * [taylor]: Taking taylor expansion of x in x
0.040 * [taylor]: Taking taylor expansion of y in x
0.040 * [taylor]: Taking taylor expansion of x in x
0.040 * [taylor]: Taking taylor expansion of (* -1 y) in y
0.040 * [taylor]: Taking taylor expansion of -1 in y
0.040 * [taylor]: Taking taylor expansion of y in y
0.040 * [taylor]: Taking taylor expansion of 1 in y
0.040 * [taylor]: Taking taylor expansion of 0 in y
0.040 * [taylor]: Taking taylor expansion of 0 in y
0.041 * [approximate]: Taking taylor expansion of (* x (- (/ 1 x) (/ 1 y))) in (x y) around 0
0.041 * [taylor]: Taking taylor expansion of (* x (- (/ 1 x) (/ 1 y))) in y
0.041 * [taylor]: Taking taylor expansion of x in y
0.041 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.041 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.041 * [taylor]: Taking taylor expansion of x in y
0.041 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.041 * [taylor]: Taking taylor expansion of y in y
0.041 * [taylor]: Taking taylor expansion of (* x (- (/ 1 x) (/ 1 y))) in x
0.041 * [taylor]: Taking taylor expansion of x in x
0.041 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.041 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.041 * [taylor]: Taking taylor expansion of x in x
0.041 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.041 * [taylor]: Taking taylor expansion of y in x
0.041 * [taylor]: Taking taylor expansion of (* x (- (/ 1 x) (/ 1 y))) in x
0.041 * [taylor]: Taking taylor expansion of x in x
0.041 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.041 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.041 * [taylor]: Taking taylor expansion of x in x
0.041 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.041 * [taylor]: Taking taylor expansion of y in x
0.041 * [taylor]: Taking taylor expansion of 0 in y
0.041 * [taylor]: Taking taylor expansion of 1 in y
0.041 * [taylor]: Taking taylor expansion of (neg (/ 1 y)) in y
0.041 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.041 * [taylor]: Taking taylor expansion of y in y
0.042 * [taylor]: Taking taylor expansion of 0 in y
0.042 * [taylor]: Taking taylor expansion of 0 in y
0.042 * [approximate]: Taking taylor expansion of (* -1 (* x (- (/ 1 y) (/ 1 x)))) in (x y) around 0
0.042 * [taylor]: Taking taylor expansion of (* -1 (* x (- (/ 1 y) (/ 1 x)))) in y
0.042 * [taylor]: Taking taylor expansion of -1 in y
0.042 * [taylor]: Taking taylor expansion of (* x (- (/ 1 y) (/ 1 x))) in y
0.042 * [taylor]: Taking taylor expansion of x in y
0.042 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.042 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.042 * [taylor]: Taking taylor expansion of y in y
0.043 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.043 * [taylor]: Taking taylor expansion of x in y
0.043 * [taylor]: Taking taylor expansion of (* -1 (* x (- (/ 1 y) (/ 1 x)))) in x
0.043 * [taylor]: Taking taylor expansion of -1 in x
0.043 * [taylor]: Taking taylor expansion of (* x (- (/ 1 y) (/ 1 x))) in x
0.043 * [taylor]: Taking taylor expansion of x in x
0.043 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.043 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.043 * [taylor]: Taking taylor expansion of y in x
0.043 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.043 * [taylor]: Taking taylor expansion of x in x
0.043 * [taylor]: Taking taylor expansion of (* -1 (* x (- (/ 1 y) (/ 1 x)))) in x
0.043 * [taylor]: Taking taylor expansion of -1 in x
0.043 * [taylor]: Taking taylor expansion of (* x (- (/ 1 y) (/ 1 x))) in x
0.043 * [taylor]: Taking taylor expansion of x in x
0.043 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.043 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.043 * [taylor]: Taking taylor expansion of y in x
0.043 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.043 * [taylor]: Taking taylor expansion of x in x
0.043 * [taylor]: Taking taylor expansion of 0 in y
0.043 * [taylor]: Taking taylor expansion of 1 in y
0.043 * [taylor]: Taking taylor expansion of (neg (/ 1 y)) in y
0.043 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.043 * [taylor]: Taking taylor expansion of y in y
0.044 * [taylor]: Taking taylor expansion of 0 in y
0.044 * [taylor]: Taking taylor expansion of 0 in y
0.044 * * * [progress]: simplifying candidates
0.045 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (log (- x y)) (log x))
  (log (/ (- x y) x))
  (exp (/ (- x y) x))
  (/ (* (* (- x y) (- x y)) (- x y)) (* (* x x) x))
  (* (cbrt (/ (- x y) x)) (cbrt (/ (- x y) x)))
  (cbrt (/ (- x y) x))
  (* (* (/ (- x y) x) (/ (- x y) x)) (/ (- x y) x))
  (sqrt (/ (- x y) x))
  (sqrt (/ (- x y) x))
  (neg (- x y))
  (neg x)
  (/ x x)
  (/ y x)
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (* (cbrt x) (cbrt x)))
  (/ (cbrt (- x y)) (cbrt x))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (sqrt x))
  (/ (cbrt (- x y)) (sqrt x))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) 1)
  (/ (cbrt (- x y)) x)
  (/ (sqrt (- x y)) (* (cbrt x) (cbrt x)))
  (/ (sqrt (- x y)) (cbrt x))
  (/ (sqrt (- x y)) (sqrt x))
  (/ (sqrt (- x y)) (sqrt x))
  (/ (sqrt (- x y)) 1)
  (/ (sqrt (- x y)) x)
  (/ 1 (* (cbrt x) (cbrt x)))
  (/ (- x y) (cbrt x))
  (/ 1 (sqrt x))
  (/ (- x y) (sqrt x))
  (/ 1 1)
  (/ (- x y) x)
  (/ (+ (sqrt x) (sqrt y)) (* (cbrt x) (cbrt x)))
  (/ (- (sqrt x) (sqrt y)) (cbrt x))
  (/ (+ (sqrt x) (sqrt y)) (sqrt x))
  (/ (- (sqrt x) (sqrt y)) (sqrt x))
  (/ (+ (sqrt x) (sqrt y)) 1)
  (/ (- (sqrt x) (sqrt y)) x)
  (/ 1 (* (cbrt x) (cbrt x)))
  (/ (- x y) (cbrt x))
  (/ 1 (sqrt x))
  (/ (- x y) (sqrt x))
  (/ 1 1)
  (/ (- x y) x)
  (/ 1 x)
  (/ x (- x y))
  (/ (- x y) (* (cbrt x) (cbrt x)))
  (/ (- x y) (sqrt x))
  (/ (- x y) 1)
  (/ x (cbrt (- x y)))
  (/ x (sqrt (- x y)))
  (/ x (- x y))
  (/ x (- (sqrt x) (sqrt y)))
  (/ x (- x y))
  (* x (+ (* x x) (+ (* y y) (* x y))))
  (* x (+ x y))
  (- 1 (/ y x))
  (- 1 (/ y x))
  (- 1 (/ y x))
0.047 * * [simplify]: iteration  0 :  70  enodes  (cost  398 )
0.056 * * [simplify]: iteration  1 :  147  enodes  (cost  381 )
0.082 * * [simplify]: iteration  2 :  372  enodes  (cost  360 )
0.154 * * [simplify]: iteration  3 :  1194  enodes  (cost  360 )
0.435 * * [simplify]: iteration  4 :  3761  enodes  (cost  359 )
0.895 * * [simplify]: iteration  done :  5000  enodes  (cost  359 )
0.895 * [simplify]: Simplified to:
   (log (/ (- x y) x))
  (log (/ (- x y) x))
  (exp (/ (- x y) x))
  (pow (- 1 (/ y x)) 3)
  (* (cbrt (/ (- x y) x)) (cbrt (/ (- x y) x)))
  (cbrt (/ (- x y) x))
  (pow (- 1 (/ y x)) 3)
  (sqrt (/ (- x y) x))
  (sqrt (/ (- x y) x))
  (- y x)
  (neg x)
  1
  (/ y x)
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (* (cbrt x) (cbrt x)))
  (/ (cbrt (- x y)) (cbrt x))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (sqrt x))
  (/ (cbrt (- x y)) (sqrt x))
  (* (cbrt (- x y)) (cbrt (- x y)))
  (/ (cbrt (- x y)) x)
  (/ (sqrt (- x y)) (* (cbrt x) (cbrt x)))
  (/ (sqrt (- x y)) (cbrt x))
  (/ (sqrt (- x y)) (sqrt x))
  (/ (sqrt (- x y)) (sqrt x))
  (sqrt (- x y))
  (/ (sqrt (- x y)) x)
  (/ 1 (* (cbrt x) (cbrt x)))
  (/ (- x y) (cbrt x))
  (/ 1 (sqrt x))
  (/ (- x y) (sqrt x))
  1
  (- 1 (/ y x))
  (/ (+ (sqrt x) (sqrt y)) (* (cbrt x) (cbrt x)))
  (/ (- (sqrt x) (sqrt y)) (cbrt x))
  (/ (+ (sqrt x) (sqrt y)) (sqrt x))
  (- 1 (/ (sqrt y) (sqrt x)))
  (+ (sqrt y) (sqrt x))
  (/ (- (sqrt x) (sqrt y)) x)
  (/ 1 (* (cbrt x) (cbrt x)))
  (/ (- x y) (cbrt x))
  (/ 1 (sqrt x))
  (/ (- x y) (sqrt x))
  1
  (- 1 (/ y x))
  (/ 1 x)
  (/ x (- x y))
  (/ (- x y) (* (cbrt x) (cbrt x)))
  (/ (- x y) (sqrt x))
  (- x y)
  (/ x (cbrt (- x y)))
  (/ x (sqrt (- x y)))
  (/ x (- x y))
  (/ x (- (sqrt x) (sqrt y)))
  (/ x (- x y))
  (* (+ (* y (+ x y)) (* x x)) x)
  (* x (+ x y))
  (- 1 (/ y x))
  (- 1 (/ y x))
  (- 1 (/ y x))
0.896 * * * [progress]: adding candidates to table
0.930 * * [progress]: iteration 2 / 4
0.930 * * * [progress]: picking best candidate
0.939 * * * * [pick]: Picked  #<alt (λ (x y) (- 1 (/ y x)))>
0.939 * * * [progress]: localizing error
0.943 * * * [progress]: generating rewritten candidates
0.943 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.951 * * * [progress]: generating series expansions
0.951 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.951 * [approximate]: Taking taylor expansion of (- 1 (/ y x)) in (y x) around 0
0.951 * [taylor]: Taking taylor expansion of (- 1 (/ y x)) in x
0.951 * [taylor]: Taking taylor expansion of 1 in x
0.951 * [taylor]: Taking taylor expansion of (/ y x) in x
0.951 * [taylor]: Taking taylor expansion of y in x
0.951 * [taylor]: Taking taylor expansion of x in x
0.951 * [taylor]: Taking taylor expansion of (- 1 (/ y x)) in y
0.951 * [taylor]: Taking taylor expansion of 1 in y
0.951 * [taylor]: Taking taylor expansion of (/ y x) in y
0.951 * [taylor]: Taking taylor expansion of y in y
0.951 * [taylor]: Taking taylor expansion of x in y
0.951 * [taylor]: Taking taylor expansion of (- 1 (/ y x)) in y
0.951 * [taylor]: Taking taylor expansion of 1 in y
0.951 * [taylor]: Taking taylor expansion of (/ y x) in y
0.951 * [taylor]: Taking taylor expansion of y in y
0.951 * [taylor]: Taking taylor expansion of x in y
0.951 * [taylor]: Taking taylor expansion of 1 in x
0.951 * [taylor]: Taking taylor expansion of (neg (/ 1 x)) in x
0.951 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.951 * [taylor]: Taking taylor expansion of x in x
0.951 * [taylor]: Taking taylor expansion of 0 in x
0.952 * [taylor]: Taking taylor expansion of 0 in x
0.952 * [taylor]: Taking taylor expansion of 0 in x
0.952 * [approximate]: Taking taylor expansion of (- 1 (/ x y)) in (y x) around 0
0.952 * [taylor]: Taking taylor expansion of (- 1 (/ x y)) in x
0.952 * [taylor]: Taking taylor expansion of 1 in x
0.952 * [taylor]: Taking taylor expansion of (/ x y) in x
0.952 * [taylor]: Taking taylor expansion of x in x
0.952 * [taylor]: Taking taylor expansion of y in x
0.952 * [taylor]: Taking taylor expansion of (- 1 (/ x y)) in y
0.952 * [taylor]: Taking taylor expansion of 1 in y
0.952 * [taylor]: Taking taylor expansion of (/ x y) in y
0.952 * [taylor]: Taking taylor expansion of x in y
0.952 * [taylor]: Taking taylor expansion of y in y
0.952 * [taylor]: Taking taylor expansion of (- 1 (/ x y)) in y
0.952 * [taylor]: Taking taylor expansion of 1 in y
0.952 * [taylor]: Taking taylor expansion of (/ x y) in y
0.952 * [taylor]: Taking taylor expansion of x in y
0.952 * [taylor]: Taking taylor expansion of y in y
0.952 * [taylor]: Taking taylor expansion of (neg x) in x
0.952 * [taylor]: Taking taylor expansion of x in x
0.952 * [taylor]: Taking taylor expansion of 1 in x
0.953 * [taylor]: Taking taylor expansion of 0 in x
0.953 * [taylor]: Taking taylor expansion of 0 in x
0.953 * [approximate]: Taking taylor expansion of (- 1 (/ x y)) in (y x) around 0
0.953 * [taylor]: Taking taylor expansion of (- 1 (/ x y)) in x
0.953 * [taylor]: Taking taylor expansion of 1 in x
0.953 * [taylor]: Taking taylor expansion of (/ x y) in x
0.953 * [taylor]: Taking taylor expansion of x in x
0.953 * [taylor]: Taking taylor expansion of y in x
0.953 * [taylor]: Taking taylor expansion of (- 1 (/ x y)) in y
0.953 * [taylor]: Taking taylor expansion of 1 in y
0.953 * [taylor]: Taking taylor expansion of (/ x y) in y
0.953 * [taylor]: Taking taylor expansion of x in y
0.953 * [taylor]: Taking taylor expansion of y in y
0.953 * [taylor]: Taking taylor expansion of (- 1 (/ x y)) in y
0.953 * [taylor]: Taking taylor expansion of 1 in y
0.953 * [taylor]: Taking taylor expansion of (/ x y) in y
0.953 * [taylor]: Taking taylor expansion of x in y
0.953 * [taylor]: Taking taylor expansion of y in y
0.953 * [taylor]: Taking taylor expansion of (neg x) in x
0.953 * [taylor]: Taking taylor expansion of x in x
0.953 * [taylor]: Taking taylor expansion of 1 in x
0.954 * [taylor]: Taking taylor expansion of 0 in x
0.954 * [taylor]: Taking taylor expansion of 0 in x
0.954 * * * [progress]: simplifying candidates
0.954 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ (exp 1) (exp (/ y x)))
  (log (- 1 (/ y x)))
  (exp (- 1 (/ y x)))
  (* (cbrt (- 1 (/ y x))) (cbrt (- 1 (/ y x))))
  (cbrt (- 1 (/ y x)))
  (* (* (- 1 (/ y x)) (- 1 (/ y x))) (- 1 (/ y x)))
  (sqrt (- 1 (/ y x)))
  (sqrt (- 1 (/ y x)))
  (- (pow 1 3) (pow (/ y x) 3))
  (+ (* 1 1) (+ (* (/ y x) (/ y x)) (* 1 (/ y x))))
  (neg (/ y x))
  (- (* 1 1) (* (/ y x) (/ y x)))
  (+ 1 (/ y x))
  (+ (sqrt 1) (sqrt (/ y x)))
  (- (sqrt 1) (sqrt (/ y x)))
  (+ (sqrt 1) (/ (sqrt y) (sqrt x)))
  (- (sqrt 1) (/ (sqrt y) (sqrt x)))
  (+ 1 (sqrt (/ y x)))
  (- 1 (sqrt (/ y x)))
  (+ 1 (/ (sqrt y) (sqrt x)))
  (- 1 (/ (sqrt y) (sqrt x)))
  (- 1 (/ y x))
  (neg (/ y x))
  (- 1 (/ y x))
  (- 1 (/ y x))
  (- 1 (/ y x))
0.955 * * [simplify]: iteration  0 :  40  enodes  (cost  193 )
0.961 * * [simplify]: iteration  1 :  97  enodes  (cost  178 )
0.974 * * [simplify]: iteration  2 :  256  enodes  (cost  168 )
1.013 * * [simplify]: iteration  3 :  698  enodes  (cost  168 )
1.181 * * [simplify]: iteration  4 :  2552  enodes  (cost  168 )
1.536 * * [simplify]: iteration  done :  5000  enodes  (cost  168 )
1.536 * [simplify]: Simplified to:
   (exp (- 1 (/ y x)))
  (log (- 1 (/ y x)))
  (exp (- 1 (/ y x)))
  (* (cbrt (- 1 (/ y x))) (cbrt (- 1 (/ y x))))
  (cbrt (- 1 (/ y x)))
  (pow (- 1 (/ y x)) 3)
  (sqrt (- 1 (/ y x)))
  (sqrt (- 1 (/ y x)))
  (- 1 (pow (/ y x) 3))
  (+ 1 (* (/ y x) (+ 1 (/ y x))))
  (/ (neg y) x)
  (- 1 (* (/ y x) (/ y x)))
  (+ 1 (/ y x))
  (+ 1 (sqrt (/ y x)))
  (- 1 (sqrt (/ y x)))
  (+ (/ (sqrt y) (sqrt x)) 1)
  (- 1 (/ (sqrt y) (sqrt x)))
  (+ 1 (sqrt (/ y x)))
  (- 1 (sqrt (/ y x)))
  (+ (/ (sqrt y) (sqrt x)) 1)
  (- 1 (/ (sqrt y) (sqrt x)))
  (- 1 (/ y x))
  (/ (neg y) x)
  (- 1 (/ y x))
  (- 1 (/ y x))
  (- 1 (/ y x))
1.537 * * * [progress]: adding candidates to table
1.560 * * [progress]: iteration 3 / 4
1.560 * * * [progress]: picking best candidate
1.562 * * * * [pick]: Picked  #<alt (λ (x y) (* (- x y) (/ 1 x)))>
1.562 * * * [progress]: localizing error
1.567 * * * [progress]: generating rewritten candidates
1.567 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
1.579 * * * [progress]: generating series expansions
1.579 * * * * [progress]: [ 1 / 1 ] generating series at (2)
1.579 * [approximate]: Taking taylor expansion of (/ (- x y) x) in (x y) around 0
1.579 * [taylor]: Taking taylor expansion of (/ (- x y) x) in y
1.580 * [taylor]: Taking taylor expansion of (- x y) in y
1.580 * [taylor]: Taking taylor expansion of x in y
1.580 * [taylor]: Taking taylor expansion of y in y
1.580 * [taylor]: Taking taylor expansion of x in y
1.580 * [taylor]: Taking taylor expansion of (/ (- x y) x) in x
1.580 * [taylor]: Taking taylor expansion of (- x y) in x
1.580 * [taylor]: Taking taylor expansion of x in x
1.580 * [taylor]: Taking taylor expansion of y in x
1.580 * [taylor]: Taking taylor expansion of x in x
1.580 * [taylor]: Taking taylor expansion of (/ (- x y) x) in x
1.580 * [taylor]: Taking taylor expansion of (- x y) in x
1.580 * [taylor]: Taking taylor expansion of x in x
1.580 * [taylor]: Taking taylor expansion of y in x
1.580 * [taylor]: Taking taylor expansion of x in x
1.580 * [taylor]: Taking taylor expansion of (* -1 y) in y
1.580 * [taylor]: Taking taylor expansion of -1 in y
1.580 * [taylor]: Taking taylor expansion of y in y
1.580 * [taylor]: Taking taylor expansion of 1 in y
1.580 * [taylor]: Taking taylor expansion of 0 in y
1.580 * [taylor]: Taking taylor expansion of 0 in y
1.581 * [approximate]: Taking taylor expansion of (* x (- (/ 1 x) (/ 1 y))) in (x y) around 0
1.581 * [taylor]: Taking taylor expansion of (* x (- (/ 1 x) (/ 1 y))) in y
1.581 * [taylor]: Taking taylor expansion of x in y
1.581 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
1.581 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.581 * [taylor]: Taking taylor expansion of x in y
1.581 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.581 * [taylor]: Taking taylor expansion of y in y
1.581 * [taylor]: Taking taylor expansion of (* x (- (/ 1 x) (/ 1 y))) in x
1.581 * [taylor]: Taking taylor expansion of x in x
1.581 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
1.581 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.581 * [taylor]: Taking taylor expansion of x in x
1.581 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.581 * [taylor]: Taking taylor expansion of y in x
1.581 * [taylor]: Taking taylor expansion of (* x (- (/ 1 x) (/ 1 y))) in x
1.581 * [taylor]: Taking taylor expansion of x in x
1.581 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
1.581 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.581 * [taylor]: Taking taylor expansion of x in x
1.581 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.581 * [taylor]: Taking taylor expansion of y in x
1.581 * [taylor]: Taking taylor expansion of 0 in y
1.581 * [taylor]: Taking taylor expansion of 1 in y
1.581 * [taylor]: Taking taylor expansion of (neg (/ 1 y)) in y
1.582 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.582 * [taylor]: Taking taylor expansion of y in y
1.582 * [taylor]: Taking taylor expansion of 0 in y
1.582 * [taylor]: Taking taylor expansion of 0 in y
1.582 * [approximate]: Taking taylor expansion of (* -1 (* x (- (/ 1 y) (/ 1 x)))) in (x y) around 0
1.582 * [taylor]: Taking taylor expansion of (* -1 (* x (- (/ 1 y) (/ 1 x)))) in y
1.582 * [taylor]: Taking taylor expansion of -1 in y
1.582 * [taylor]: Taking taylor expansion of (* x (- (/ 1 y) (/ 1 x))) in y
1.582 * [taylor]: Taking taylor expansion of x in y
1.583 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
1.583 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.583 * [taylor]: Taking taylor expansion of y in y
1.583 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.583 * [taylor]: Taking taylor expansion of x in y
1.583 * [taylor]: Taking taylor expansion of (* -1 (* x (- (/ 1 y) (/ 1 x)))) in x
1.583 * [taylor]: Taking taylor expansion of -1 in x
1.583 * [taylor]: Taking taylor expansion of (* x (- (/ 1 y) (/ 1 x))) in x
1.583 * [taylor]: Taking taylor expansion of x in x
1.583 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
1.583 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.583 * [taylor]: Taking taylor expansion of y in x
1.583 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.583 * [taylor]: Taking taylor expansion of x in x
1.583 * [taylor]: Taking taylor expansion of (* -1 (* x (- (/ 1 y) (/ 1 x)))) in x
1.583 * [taylor]: Taking taylor expansion of -1 in x
1.583 * [taylor]: Taking taylor expansion of (* x (- (/ 1 y) (/ 1 x))) in x
1.583 * [taylor]: Taking taylor expansion of x in x
1.583 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
1.583 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.583 * [taylor]: Taking taylor expansion of y in x
1.583 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.583 * [taylor]: Taking taylor expansion of x in x
1.583 * [taylor]: Taking taylor expansion of 0 in y
1.583 * [taylor]: Taking taylor expansion of 1 in y
1.583 * [taylor]: Taking taylor expansion of (neg (/ 1 y)) in y
1.584 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.584 * [taylor]: Taking taylor expansion of y in y
1.584 * [taylor]: Taking taylor expansion of 0 in y
1.584 * [taylor]: Taking taylor expansion of 0 in y
1.584 * * * [progress]: simplifying candidates
1.585 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* (- x y) (/ 1 x))
  (+ (log (- x y)) (neg (log x)))
  (+ (log (- x y)) (- 0 (log x)))
  (+ (log (- x y)) (- (log 1) (log x)))
  (+ (log (- x y)) (log (/ 1 x)))
  (log (* (- x y) (/ 1 x)))
  (exp (* (- x y) (/ 1 x)))
  (* (* (* (- x y) (- x y)) (- x y)) (/ (* (* 1 1) 1) (* (* x x) x)))
  (* (* (* (- x y) (- x y)) (- x y)) (* (* (/ 1 x) (/ 1 x)) (/ 1 x)))
  (* (cbrt (* (- x y) (/ 1 x))) (cbrt (* (- x y) (/ 1 x))))
  (cbrt (* (- x y) (/ 1 x)))
  (* (* (* (- x y) (/ 1 x)) (* (- x y) (/ 1 x))) (* (- x y) (/ 1 x)))
  (sqrt (* (- x y) (/ 1 x)))
  (sqrt (* (- x y) (/ 1 x)))
  (* (- (pow x 3) (pow y 3)) 1)
  (* (+ (* x x) (+ (* y y) (* x y))) x)
  (* (- (* x x) (* y y)) 1)
  (* (+ x y) x)
  (* (sqrt (- x y)) (sqrt (/ 1 x)))
  (* (sqrt (- x y)) (sqrt (/ 1 x)))
  (* (sqrt (- x y)) (/ (sqrt 1) (sqrt x)))
  (* (sqrt (- x y)) (/ (sqrt 1) (sqrt x)))
  (* (sqrt (- x y)) (/ 1 (sqrt x)))
  (* (sqrt (- x y)) (/ 1 (sqrt x)))
  (* (- x y) (* (cbrt (/ 1 x)) (cbrt (/ 1 x))))
  (* (- x y) (sqrt (/ 1 x)))
  (* (- x y) (/ (* (cbrt 1) (cbrt 1)) (* (cbrt x) (cbrt x))))
  (* (- x y) (/ (* (cbrt 1) (cbrt 1)) (sqrt x)))
  (* (- x y) (/ (* (cbrt 1) (cbrt 1)) 1))
  (* (- x y) (/ (sqrt 1) (* (cbrt x) (cbrt x))))
  (* (- x y) (/ (sqrt 1) (sqrt x)))
  (* (- x y) (/ (sqrt 1) 1))
  (* (- x y) (/ 1 (* (cbrt x) (cbrt x))))
  (* (- x y) (/ 1 (sqrt x)))
  (* (- x y) (/ 1 1))
  (* (- x y) 1)
  (* (- x y) 1)
  (* (cbrt (- x y)) (/ 1 x))
  (* (sqrt (- x y)) (/ 1 x))
  (* (- x y) (/ 1 x))
  (* (- (sqrt x) (sqrt y)) (/ 1 x))
  (* (- x y) (/ 1 x))
  (* (- x y) 1)
  (* (- (pow x 3) (pow y 3)) (/ 1 x))
  (* (- (* x x) (* y y)) (/ 1 x))
  (- 1 (/ y x))
  (- 1 (/ y x))
  (- 1 (/ y x))
1.587 * * [simplify]: iteration  0 :  94  enodes  (cost  466 )
1.602 * * [simplify]: iteration  1 :  237  enodes  (cost  383 )
1.652 * * [simplify]: iteration  2 :  823  enodes  (cost  315 )
1.845 * * [simplify]: iteration  3 :  2908  enodes  (cost  313 )
2.209 * * [simplify]: iteration  done :  5000  enodes  (cost  313 )
2.209 * [simplify]: Simplified to:
   (/ (- x y) x)
  (log (/ (- x y) x))
  (log (/ (- x y) x))
  (log (/ (- x y) x))
  (log (/ (- x y) x))
  (log (/ (- x y) x))
  (exp (/ (- x y) x))
  (pow (/ (- x y) x) 3)
  (pow (/ (- x y) x) 3)
  (* (cbrt (/ (- x y) x)) (cbrt (/ (- x y) x)))
  (cbrt (/ (- x y) x))
  (pow (/ (- x y) x) 3)
  (sqrt (/ (- x y) x))
  (sqrt (/ (- x y) x))
  (- (pow x 3) (pow y 3))
  (* (+ (* y (+ x y)) (* x x)) x)
  (- (* x x) (* y y))
  (* (+ x y) x)
  (* (sqrt (- x y)) (sqrt (/ 1 x)))
  (* (sqrt (- x y)) (sqrt (/ 1 x)))
  (/ (sqrt (- x y)) (sqrt x))
  (/ (sqrt (- x y)) (sqrt x))
  (/ (sqrt (- x y)) (sqrt x))
  (/ (sqrt (- x y)) (sqrt x))
  (* (- x y) (* (cbrt (/ 1 x)) (cbrt (/ 1 x))))
  (* (- x y) (sqrt (/ 1 x)))
  (/ (- x y) (* (cbrt x) (cbrt x)))
  (/ (- x y) (sqrt x))
  (- x y)
  (/ (- x y) (* (cbrt x) (cbrt x)))
  (/ (- x y) (sqrt x))
  (- x y)
  (/ (- x y) (* (cbrt x) (cbrt x)))
  (/ (- x y) (sqrt x))
  (- x y)
  (- x y)
  (- x y)
  (/ (cbrt (- x y)) x)
  (/ (sqrt (- x y)) x)
  (/ (- x y) x)
  (/ (- (sqrt x) (sqrt y)) x)
  (/ (- x y) x)
  (- x y)
  (/ (- (pow x 3) (pow y 3)) x)
  (- x (/ (* y y) x))
  (/ (- x y) x)
  (/ (- x y) x)
  (/ (- x y) x)
2.210 * * * [progress]: adding candidates to table
2.252 * [progress]: [Phase 3 of 3] Extracting.
2.252 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (- 1 (/ y x)))> #<alt (λ (x y) (* (- x y) (/ 1 x)))>)
2.252 * * * [regime-changes]: Trying 2 branch expressions: (y x)
2.252 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (- 1 (/ y x)))> #<alt (λ (x y) (* (- x y) (/ 1 x)))>)
2.284 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (- 1 (/ y x)))> #<alt (λ (x y) (* (- x y) (/ 1 x)))>)
2.317 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
2.317 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- 1 (/ y x))
2.317 * * [simplify]: iteration  0 :  5  enodes  (cost  5 )
2.317 * * [simplify]: iteration  1 :  7  enodes  (cost  5 )
2.317 * * [simplify]: iteration  done :  7  enodes  (cost  5 )
2.317 * [simplify]: Simplified to:
   (- 1 (/ y x))
2.999 * [regime-testing]: End program error score: 0.0017502187773471684
3.062 * [regime-testing]: Target error score: 0.0017502187773471684