9.783 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.014 * * * [progress]: [2/2] Setting up program.
0.016 * [progress]: [Phase 2 of 3] Improving.
0.016 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (/ x (* y y)) 3.0)
0.017 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
0.018 * * [simplify]: iteration  1 :  10  enodes  (cost  7 )
0.019 * * [simplify]: iteration  2 :  11  enodes  (cost  7 )
0.020 * * [simplify]: iteration  done :  11  enodes  (cost  7 )
0.020 * [simplify]: Simplified to:
   (- (/ x (* y y)) 3.0)
0.021 * * [progress]: iteration 1 / 4
0.021 * * * [progress]: picking best candidate
0.022 * * * * [pick]: Picked  #<alt (λ (x y) (- (/ x (* y y)) 3.0))>
0.022 * * * [progress]: localizing error
0.027 * * * [progress]: generating rewritten candidates
0.027 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1)
0.031 * * * [progress]: generating series expansions
0.031 * * * * [progress]: [ 1 / 1 ] generating series at (2 1)
0.031 * [approximate]: Taking taylor expansion of (/ x (pow y 2)) in (x y) around 0
0.031 * [taylor]: Taking taylor expansion of (/ x (pow y 2)) in y
0.031 * [taylor]: Taking taylor expansion of x in y
0.031 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.031 * [taylor]: Taking taylor expansion of y in y
0.032 * [taylor]: Taking taylor expansion of (/ x (pow y 2)) in x
0.032 * [taylor]: Taking taylor expansion of x in x
0.032 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.032 * [taylor]: Taking taylor expansion of y in x
0.032 * [taylor]: Taking taylor expansion of (/ x (pow y 2)) in x
0.032 * [taylor]: Taking taylor expansion of x in x
0.032 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.032 * [taylor]: Taking taylor expansion of y in x
0.032 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.032 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.032 * [taylor]: Taking taylor expansion of y in y
0.033 * [taylor]: Taking taylor expansion of 0 in y
0.034 * [taylor]: Taking taylor expansion of 0 in y
0.036 * [taylor]: Taking taylor expansion of 0 in y
0.039 * [taylor]: Taking taylor expansion of 0 in y
0.039 * [approximate]: Taking taylor expansion of (/ (pow y 2) x) in (x y) around 0
0.039 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) in y
0.039 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.039 * [taylor]: Taking taylor expansion of y in y
0.039 * [taylor]: Taking taylor expansion of x in y
0.039 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) in x
0.039 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.039 * [taylor]: Taking taylor expansion of y in x
0.039 * [taylor]: Taking taylor expansion of x in x
0.039 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) in x
0.039 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.039 * [taylor]: Taking taylor expansion of y in x
0.039 * [taylor]: Taking taylor expansion of x in x
0.040 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.040 * [taylor]: Taking taylor expansion of y in y
0.041 * [taylor]: Taking taylor expansion of 0 in y
0.042 * [taylor]: Taking taylor expansion of 0 in y
0.044 * [taylor]: Taking taylor expansion of 0 in y
0.045 * [approximate]: Taking taylor expansion of (* -1 (/ (pow y 2) x)) in (x y) around 0
0.045 * [taylor]: Taking taylor expansion of (* -1 (/ (pow y 2) x)) in y
0.045 * [taylor]: Taking taylor expansion of -1 in y
0.045 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) in y
0.045 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.045 * [taylor]: Taking taylor expansion of y in y
0.045 * [taylor]: Taking taylor expansion of x in y
0.045 * [taylor]: Taking taylor expansion of (* -1 (/ (pow y 2) x)) in x
0.045 * [taylor]: Taking taylor expansion of -1 in x
0.045 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) in x
0.045 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.045 * [taylor]: Taking taylor expansion of y in x
0.045 * [taylor]: Taking taylor expansion of x in x
0.045 * [taylor]: Taking taylor expansion of (* -1 (/ (pow y 2) x)) in x
0.045 * [taylor]: Taking taylor expansion of -1 in x
0.045 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) in x
0.045 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.045 * [taylor]: Taking taylor expansion of y in x
0.045 * [taylor]: Taking taylor expansion of x in x
0.046 * [taylor]: Taking taylor expansion of (* -1 (pow y 2)) in y
0.046 * [taylor]: Taking taylor expansion of -1 in y
0.046 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.046 * [taylor]: Taking taylor expansion of y in y
0.047 * [taylor]: Taking taylor expansion of 0 in y
0.050 * [taylor]: Taking taylor expansion of 0 in y
0.056 * [taylor]: Taking taylor expansion of 0 in y
0.056 * * * [progress]: simplifying candidates
0.057 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (log x) (+ (log y) (log y)))
  (- (log x) (log (* y y)))
  (log (/ x (* y y)))
  (exp (/ x (* y y)))
  (/ (* (* x x) x) (* (* (* y y) y) (* (* y y) y)))
  (/ (* (* x x) x) (* (* (* y y) (* y y)) (* y y)))
  (* (cbrt (/ x (* y y))) (cbrt (/ x (* y y))))
  (cbrt (/ x (* y y)))
  (* (* (/ x (* y y)) (/ x (* y y))) (/ x (* y y)))
  (sqrt (/ x (* y y)))
  (sqrt (/ x (* y y)))
  (- x)
  (- (* y y))
  (/ (* (cbrt x) (cbrt x)) y)
  (/ (cbrt x) y)
  (/ (sqrt x) y)
  (/ (sqrt x) y)
  (/ 1 y)
  (/ x y)
  (/ 1 (* y y))
  (/ (* y y) x)
  (/ x y)
  (/ (* y y) (cbrt x))
  (/ (* y y) (sqrt x))
  (/ (* y y) x)
  (/ x (pow y 2))
  (/ x (pow y 2))
  (/ x (pow y 2))
0.058 * * [simplify]: iteration  0 :  43  enodes  (cost  185 )
0.065 * * [simplify]: iteration  1 :  96  enodes  (cost  182 )
0.083 * * [simplify]: iteration  2 :  299  enodes  (cost  152 )
0.168 * * [simplify]: iteration  3 :  1136  enodes  (cost  152 )
0.936 * * [simplify]: iteration  4 :  3394  enodes  (cost  152 )
2.211 * * [simplify]: iteration  done :  5000  enodes  (cost  152 )
2.211 * [simplify]: Simplified to:
   (log (/ x (* y y)))
  (log (/ x (* y y)))
  (log (/ x (* y y)))
  (exp (/ x (* y y)))
  (pow (/ x (pow y 2)) 3)
  (pow (/ x (pow y 2)) 3)
  (* (cbrt (/ x (* y y))) (cbrt (/ x (* y y))))
  (cbrt (/ x (* y y)))
  (pow (/ x (pow y 2)) 3)
  (sqrt (/ x (* y y)))
  (sqrt (/ x (* y y)))
  (- x)
  (- (* y y))
  (/ (* (cbrt x) (cbrt x)) y)
  (/ (cbrt x) y)
  (/ (sqrt x) y)
  (/ (sqrt x) y)
  (/ 1 y)
  (/ x y)
  (/ 1 (* y y))
  (* (/ y x) y)
  (/ x y)
  (/ (* y y) (cbrt x))
  (/ (* y y) (sqrt x))
  (* (/ y x) y)
  (/ (/ x y) y)
  (/ (/ x y) y)
  (/ (/ x y) y)
2.211 * * * [progress]: adding candidates to table
2.249 * * [progress]: iteration 2 / 4
2.249 * * * [progress]: picking best candidate
2.254 * * * * [pick]: Picked  #<alt (λ (x y) (- (/ (/ x y) y) 3.0))>
2.254 * * * [progress]: localizing error
2.259 * * * [progress]: generating rewritten candidates
2.259 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1)
2.268 * * * [progress]: generating series expansions
2.268 * * * * [progress]: [ 1 / 1 ] generating series at (2 1)
2.268 * [approximate]: Taking taylor expansion of (/ x (pow y 2)) in (x y) around 0
2.268 * [taylor]: Taking taylor expansion of (/ x (pow y 2)) in y
2.268 * [taylor]: Taking taylor expansion of x in y
2.268 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.268 * [taylor]: Taking taylor expansion of y in y
2.269 * [taylor]: Taking taylor expansion of (/ x (pow y 2)) in x
2.269 * [taylor]: Taking taylor expansion of x in x
2.269 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.269 * [taylor]: Taking taylor expansion of y in x
2.269 * [taylor]: Taking taylor expansion of (/ x (pow y 2)) in x
2.269 * [taylor]: Taking taylor expansion of x in x
2.269 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.269 * [taylor]: Taking taylor expansion of y in x
2.269 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.269 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.269 * [taylor]: Taking taylor expansion of y in y
2.270 * [taylor]: Taking taylor expansion of 0 in y
2.272 * [taylor]: Taking taylor expansion of 0 in y
2.273 * [taylor]: Taking taylor expansion of 0 in y
2.276 * [taylor]: Taking taylor expansion of 0 in y
2.276 * [approximate]: Taking taylor expansion of (/ (pow y 2) x) in (x y) around 0
2.276 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) in y
2.276 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.276 * [taylor]: Taking taylor expansion of y in y
2.276 * [taylor]: Taking taylor expansion of x in y
2.276 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) in x
2.276 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.276 * [taylor]: Taking taylor expansion of y in x
2.276 * [taylor]: Taking taylor expansion of x in x
2.276 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) in x
2.276 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.276 * [taylor]: Taking taylor expansion of y in x
2.276 * [taylor]: Taking taylor expansion of x in x
2.277 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.277 * [taylor]: Taking taylor expansion of y in y
2.277 * [taylor]: Taking taylor expansion of 0 in y
2.279 * [taylor]: Taking taylor expansion of 0 in y
2.281 * [taylor]: Taking taylor expansion of 0 in y
2.281 * [approximate]: Taking taylor expansion of (* -1 (/ (pow y 2) x)) in (x y) around 0
2.281 * [taylor]: Taking taylor expansion of (* -1 (/ (pow y 2) x)) in y
2.281 * [taylor]: Taking taylor expansion of -1 in y
2.281 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) in y
2.281 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.281 * [taylor]: Taking taylor expansion of y in y
2.281 * [taylor]: Taking taylor expansion of x in y
2.282 * [taylor]: Taking taylor expansion of (* -1 (/ (pow y 2) x)) in x
2.282 * [taylor]: Taking taylor expansion of -1 in x
2.282 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) in x
2.282 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.282 * [taylor]: Taking taylor expansion of y in x
2.282 * [taylor]: Taking taylor expansion of x in x
2.282 * [taylor]: Taking taylor expansion of (* -1 (/ (pow y 2) x)) in x
2.282 * [taylor]: Taking taylor expansion of -1 in x
2.282 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) in x
2.282 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.282 * [taylor]: Taking taylor expansion of y in x
2.282 * [taylor]: Taking taylor expansion of x in x
2.282 * [taylor]: Taking taylor expansion of (* -1 (pow y 2)) in y
2.282 * [taylor]: Taking taylor expansion of -1 in y
2.282 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.282 * [taylor]: Taking taylor expansion of y in y
2.284 * [taylor]: Taking taylor expansion of 0 in y
2.286 * [taylor]: Taking taylor expansion of 0 in y
2.290 * [taylor]: Taking taylor expansion of 0 in y
2.290 * * * [progress]: simplifying candidates
2.291 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (- (log x) (log y)) (log y))
  (- (log (/ x y)) (log y))
  (log (/ (/ x y) y))
  (exp (/ (/ x y) y))
  (/ (/ (* (* x x) x) (* (* y y) y)) (* (* y y) y))
  (/ (* (* (/ x y) (/ x y)) (/ x y)) (* (* y y) y))
  (* (cbrt (/ (/ x y) y)) (cbrt (/ (/ x y) y)))
  (cbrt (/ (/ x y) y))
  (* (* (/ (/ x y) y) (/ (/ x y) y)) (/ (/ x y) y))
  (sqrt (/ (/ x y) y))
  (sqrt (/ (/ x y) y))
  (- (/ x y))
  (- y)
  (/ (* (cbrt (/ x y)) (cbrt (/ x y))) (* (cbrt y) (cbrt y)))
  (/ (cbrt (/ x y)) (cbrt y))
  (/ (* (cbrt (/ x y)) (cbrt (/ x y))) (sqrt y))
  (/ (cbrt (/ x y)) (sqrt y))
  (/ (* (cbrt (/ x y)) (cbrt (/ x y))) 1)
  (/ (cbrt (/ x y)) y)
  (/ (sqrt (/ x y)) (* (cbrt y) (cbrt y)))
  (/ (sqrt (/ x y)) (cbrt y))
  (/ (sqrt (/ x y)) (sqrt y))
  (/ (sqrt (/ x y)) (sqrt y))
  (/ (sqrt (/ x y)) 1)
  (/ (sqrt (/ x y)) y)
  (/ (/ (* (cbrt x) (cbrt x)) (* (cbrt y) (cbrt y))) (* (cbrt y) (cbrt y)))
  (/ (/ (cbrt x) (cbrt y)) (cbrt y))
  (/ (/ (* (cbrt x) (cbrt x)) (* (cbrt y) (cbrt y))) (sqrt y))
  (/ (/ (cbrt x) (cbrt y)) (sqrt y))
  (/ (/ (* (cbrt x) (cbrt x)) (* (cbrt y) (cbrt y))) 1)
  (/ (/ (cbrt x) (cbrt y)) y)
  (/ (/ (* (cbrt x) (cbrt x)) (sqrt y)) (* (cbrt y) (cbrt y)))
  (/ (/ (cbrt x) (sqrt y)) (cbrt y))
  (/ (/ (* (cbrt x) (cbrt x)) (sqrt y)) (sqrt y))
  (/ (/ (cbrt x) (sqrt y)) (sqrt y))
  (/ (/ (* (cbrt x) (cbrt x)) (sqrt y)) 1)
  (/ (/ (cbrt x) (sqrt y)) y)
  (/ (/ (* (cbrt x) (cbrt x)) 1) (* (cbrt y) (cbrt y)))
  (/ (/ (cbrt x) y) (cbrt y))
  (/ (/ (* (cbrt x) (cbrt x)) 1) (sqrt y))
  (/ (/ (cbrt x) y) (sqrt y))
  (/ (/ (* (cbrt x) (cbrt x)) 1) 1)
  (/ (/ (cbrt x) y) y)
  (/ (/ (sqrt x) (* (cbrt y) (cbrt y))) (* (cbrt y) (cbrt y)))
  (/ (/ (sqrt x) (cbrt y)) (cbrt y))
  (/ (/ (sqrt x) (* (cbrt y) (cbrt y))) (sqrt y))
  (/ (/ (sqrt x) (cbrt y)) (sqrt y))
  (/ (/ (sqrt x) (* (cbrt y) (cbrt y))) 1)
  (/ (/ (sqrt x) (cbrt y)) y)
  (/ (/ (sqrt x) (sqrt y)) (* (cbrt y) (cbrt y)))
  (/ (/ (sqrt x) (sqrt y)) (cbrt y))
  (/ (/ (sqrt x) (sqrt y)) (sqrt y))
  (/ (/ (sqrt x) (sqrt y)) (sqrt y))
  (/ (/ (sqrt x) (sqrt y)) 1)
  (/ (/ (sqrt x) (sqrt y)) y)
  (/ (/ (sqrt x) 1) (* (cbrt y) (cbrt y)))
  (/ (/ (sqrt x) y) (cbrt y))
  (/ (/ (sqrt x) 1) (sqrt y))
  (/ (/ (sqrt x) y) (sqrt y))
  (/ (/ (sqrt x) 1) 1)
  (/ (/ (sqrt x) y) y)
  (/ (/ 1 (* (cbrt y) (cbrt y))) (* (cbrt y) (cbrt y)))
  (/ (/ x (cbrt y)) (cbrt y))
  (/ (/ 1 (* (cbrt y) (cbrt y))) (sqrt y))
  (/ (/ x (cbrt y)) (sqrt y))
  (/ (/ 1 (* (cbrt y) (cbrt y))) 1)
  (/ (/ x (cbrt y)) y)
  (/ (/ 1 (sqrt y)) (* (cbrt y) (cbrt y)))
  (/ (/ x (sqrt y)) (cbrt y))
  (/ (/ 1 (sqrt y)) (sqrt y))
  (/ (/ x (sqrt y)) (sqrt y))
  (/ (/ 1 (sqrt y)) 1)
  (/ (/ x (sqrt y)) y)
  (/ (/ 1 1) (* (cbrt y) (cbrt y)))
  (/ (/ x y) (cbrt y))
  (/ (/ 1 1) (sqrt y))
  (/ (/ x y) (sqrt y))
  (/ (/ 1 1) 1)
  (/ (/ x y) y)
  (/ 1 (* (cbrt y) (cbrt y)))
  (/ (/ x y) (cbrt y))
  (/ 1 (sqrt y))
  (/ (/ x y) (sqrt y))
  (/ 1 1)
  (/ (/ x y) y)
  (/ x (* (cbrt y) (cbrt y)))
  (/ (/ 1 y) (cbrt y))
  (/ x (sqrt y))
  (/ (/ 1 y) (sqrt y))
  (/ x 1)
  (/ (/ 1 y) y)
  (/ 1 y)
  (/ y (/ x y))
  (/ (/ x y) (* (cbrt y) (cbrt y)))
  (/ (/ x y) (sqrt y))
  (/ (/ x y) 1)
  (/ y (cbrt (/ x y)))
  (/ y (sqrt (/ x y)))
  (/ y (/ (cbrt x) (cbrt y)))
  (/ y (/ (cbrt x) (sqrt y)))
  (/ y (/ (cbrt x) y))
  (/ y (/ (sqrt x) (cbrt y)))
  (/ y (/ (sqrt x) (sqrt y)))
  (/ y (/ (sqrt x) y))
  (/ y (/ x (cbrt y)))
  (/ y (/ x (sqrt y)))
  (/ y (/ x y))
  (/ y (/ x y))
  (/ y (/ 1 y))
  (* y y)
  (/ x (pow y 2))
  (/ x (pow y 2))
  (/ x (pow y 2))
2.294 * * [simplify]: iteration  0 :  140  enodes  (cost  862 )
2.319 * * [simplify]: iteration  1 :  317  enodes  (cost  813 )
2.385 * * [simplify]: iteration  2 :  1200  enodes  (cost  757 )
2.882 * * [simplify]: iteration  done :  5000  enodes  (cost  757 )
2.882 * [simplify]: Simplified to:
   (log (/ x (pow y 2)))
  (log (/ x (pow y 2)))
  (log (/ x (pow y 2)))
  (exp (/ (/ x y) y))
  (pow (/ x (pow y 2)) 3)
  (pow (/ x (pow y 2)) 3)
  (* (cbrt (/ (/ x y) y)) (cbrt (/ (/ x y) y)))
  (cbrt (/ (/ x y) y))
  (pow (/ x (pow y 2)) 3)
  (sqrt (/ (/ x y) y))
  (sqrt (/ (/ x y) y))
  (- (/ x y))
  (- y)
  (/ (* (cbrt (/ x y)) (cbrt (/ x y))) (* (cbrt y) (cbrt y)))
  (/ (cbrt (/ x y)) (cbrt y))
  (/ (* (cbrt (/ x y)) (cbrt (/ x y))) (sqrt y))
  (/ (cbrt (/ x y)) (sqrt y))
  (* (cbrt (/ x y)) (cbrt (/ x y)))
  (/ (cbrt (/ x y)) y)
  (/ (sqrt (/ x y)) (* (cbrt y) (cbrt y)))
  (/ (sqrt (/ x y)) (cbrt y))
  (/ (sqrt (/ x y)) (sqrt y))
  (/ (sqrt (/ x y)) (sqrt y))
  (sqrt (/ x y))
  (/ (sqrt (/ x y)) y)
  (/ (/ (* (cbrt x) (cbrt x)) (* (cbrt y) (cbrt y))) (* (cbrt y) (cbrt y)))
  (/ (/ (cbrt x) (cbrt y)) (cbrt y))
  (/ (/ (* (cbrt x) (cbrt x)) (* (cbrt y) (cbrt y))) (sqrt y))
  (/ (/ (cbrt x) (sqrt y)) (cbrt y))
  (/ (* (cbrt x) (cbrt x)) (* (cbrt y) (cbrt y)))
  (/ (/ (cbrt x) y) (cbrt y))
  (/ (/ (* (cbrt x) (cbrt x)) (* (cbrt y) (cbrt y))) (sqrt y))
  (/ (/ (cbrt x) (sqrt y)) (cbrt y))
  (/ (* (cbrt x) (cbrt x)) y)
  (/ (cbrt x) y)
  (/ (* (cbrt x) (cbrt x)) (sqrt y))
  (/ (/ (cbrt x) (sqrt y)) y)
  (/ (* (cbrt x) (cbrt x)) (* (cbrt y) (cbrt y)))
  (/ (/ (cbrt x) y) (cbrt y))
  (/ (* (cbrt x) (cbrt x)) (sqrt y))
  (/ (/ (cbrt x) (sqrt y)) y)
  (* (cbrt x) (cbrt x))
  (/ (/ (cbrt x) y) y)
  (/ (/ (sqrt x) (* (cbrt y) (cbrt y))) (* (cbrt y) (cbrt y)))
  (/ (/ (sqrt x) (cbrt y)) (cbrt y))
  (/ (/ (sqrt x) (sqrt y)) (* (cbrt y) (cbrt y)))
  (/ (/ (sqrt x) (sqrt y)) (cbrt y))
  (/ (/ (sqrt x) (cbrt y)) (cbrt y))
  (/ (/ (sqrt x) (cbrt y)) y)
  (/ (/ (sqrt x) (sqrt y)) (* (cbrt y) (cbrt y)))
  (/ (/ (sqrt x) (sqrt y)) (cbrt y))
  (/ (sqrt x) y)
  (/ (sqrt x) y)
  (/ (sqrt x) (sqrt y))
  (/ (/ (sqrt x) y) (sqrt y))
  (/ (/ (sqrt x) (cbrt y)) (cbrt y))
  (/ (/ (sqrt x) (cbrt y)) y)
  (/ (sqrt x) (sqrt y))
  (/ (/ (sqrt x) y) (sqrt y))
  (sqrt x)
  (/ (/ (sqrt x) y) y)
  (/ (/ 1 (* (cbrt y) (cbrt y))) (* (cbrt y) (cbrt y)))
  (/ x (* (cbrt y) (cbrt y)))
  (/ (/ 1 (sqrt y)) (* (cbrt y) (cbrt y)))
  (/ (/ x (sqrt y)) (cbrt y))
  (/ 1 (* (cbrt y) (cbrt y)))
  (/ (/ x y) (cbrt y))
  (/ (/ 1 (sqrt y)) (* (cbrt y) (cbrt y)))
  (/ (/ x (sqrt y)) (cbrt y))
  (/ 1 y)
  (/ x y)
  (/ 1 (sqrt y))
  (/ (/ x y) (sqrt y))
  (/ 1 (* (cbrt y) (cbrt y)))
  (/ (/ x y) (cbrt y))
  (/ 1 (sqrt y))
  (/ (/ x y) (sqrt y))
  1
  (/ x (pow y 2))
  (/ 1 (* (cbrt y) (cbrt y)))
  (/ (/ x y) (cbrt y))
  (/ 1 (sqrt y))
  (/ (/ x y) (sqrt y))
  1
  (/ x (pow y 2))
  (/ x (* (cbrt y) (cbrt y)))
  (/ (/ 1 y) (cbrt y))
  (/ x (sqrt y))
  (/ (/ 1 y) (sqrt y))
  x
  (/ (/ 1 y) y)
  (/ 1 y)
  (/ y (/ x y))
  (/ (/ x y) (* (cbrt y) (cbrt y)))
  (/ (/ x y) (sqrt y))
  (/ x y)
  (/ y (cbrt (/ x y)))
  (/ y (sqrt (/ x y)))
  (/ y (/ (cbrt x) (cbrt y)))
  (/ y (/ (cbrt x) (sqrt y)))
  (/ y (/ (cbrt x) y))
  (/ y (/ (sqrt x) (cbrt y)))
  (/ y (/ (sqrt x) (sqrt y)))
  (/ y (/ (sqrt x) y))
  (/ y (/ x (cbrt y)))
  (/ y (/ x (sqrt y)))
  (/ y (/ x y))
  (/ y (/ x y))
  (pow y 2)
  (pow y 2)
  (/ x (pow y 2))
  (/ x (pow y 2))
  (/ x (pow y 2))
2.883 * * * [progress]: adding candidates to table
3.010 * * [progress]: iteration 3 / 4
3.011 * * * [progress]: picking best candidate
3.021 * * * * [pick]: Picked  #<alt (λ (x y) (- (/ 1 (* (/ y x) y)) 3.0))>
3.021 * * * [progress]: localizing error
3.027 * * * [progress]: generating rewritten candidates
3.028 * * * * [progress]: [ 1 / 2 ] rewriting at (2 1)
3.036 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1 2)
3.046 * * * [progress]: generating series expansions
3.046 * * * * [progress]: [ 1 / 2 ] generating series at (2 1)
3.046 * [approximate]: Taking taylor expansion of (/ x (pow y 2)) in (y x) around 0
3.046 * [taylor]: Taking taylor expansion of (/ x (pow y 2)) in x
3.046 * [taylor]: Taking taylor expansion of x in x
3.046 * [taylor]: Taking taylor expansion of (pow y 2) in x
3.046 * [taylor]: Taking taylor expansion of y in x
3.046 * [taylor]: Taking taylor expansion of (/ x (pow y 2)) in y
3.046 * [taylor]: Taking taylor expansion of x in y
3.046 * [taylor]: Taking taylor expansion of (pow y 2) in y
3.046 * [taylor]: Taking taylor expansion of y in y
3.047 * [taylor]: Taking taylor expansion of (/ x (pow y 2)) in y
3.047 * [taylor]: Taking taylor expansion of x in y
3.047 * [taylor]: Taking taylor expansion of (pow y 2) in y
3.047 * [taylor]: Taking taylor expansion of y in y
3.047 * [taylor]: Taking taylor expansion of x in x
3.048 * [taylor]: Taking taylor expansion of 0 in x
3.050 * [taylor]: Taking taylor expansion of 0 in x
3.051 * [taylor]: Taking taylor expansion of 0 in x
3.051 * [approximate]: Taking taylor expansion of (/ (pow y 2) x) in (y x) around 0
3.052 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) in x
3.052 * [taylor]: Taking taylor expansion of (pow y 2) in x
3.052 * [taylor]: Taking taylor expansion of y in x
3.052 * [taylor]: Taking taylor expansion of x in x
3.052 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) in y
3.052 * [taylor]: Taking taylor expansion of (pow y 2) in y
3.052 * [taylor]: Taking taylor expansion of y in y
3.052 * [taylor]: Taking taylor expansion of x in y
3.052 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) in y
3.052 * [taylor]: Taking taylor expansion of (pow y 2) in y
3.052 * [taylor]: Taking taylor expansion of y in y
3.052 * [taylor]: Taking taylor expansion of x in y
3.052 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.052 * [taylor]: Taking taylor expansion of x in x
3.053 * [taylor]: Taking taylor expansion of 0 in x
3.054 * [taylor]: Taking taylor expansion of 0 in x
3.055 * [taylor]: Taking taylor expansion of 0 in x
3.056 * [approximate]: Taking taylor expansion of (* -1 (/ (pow y 2) x)) in (y x) around 0
3.056 * [taylor]: Taking taylor expansion of (* -1 (/ (pow y 2) x)) in x
3.056 * [taylor]: Taking taylor expansion of -1 in x
3.056 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) in x
3.056 * [taylor]: Taking taylor expansion of (pow y 2) in x
3.056 * [taylor]: Taking taylor expansion of y in x
3.056 * [taylor]: Taking taylor expansion of x in x
3.056 * [taylor]: Taking taylor expansion of (* -1 (/ (pow y 2) x)) in y
3.056 * [taylor]: Taking taylor expansion of -1 in y
3.057 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) in y
3.057 * [taylor]: Taking taylor expansion of (pow y 2) in y
3.057 * [taylor]: Taking taylor expansion of y in y
3.057 * [taylor]: Taking taylor expansion of x in y
3.057 * [taylor]: Taking taylor expansion of (* -1 (/ (pow y 2) x)) in y
3.057 * [taylor]: Taking taylor expansion of -1 in y
3.057 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) in y
3.057 * [taylor]: Taking taylor expansion of (pow y 2) in y
3.057 * [taylor]: Taking taylor expansion of y in y
3.057 * [taylor]: Taking taylor expansion of x in y
3.057 * [taylor]: Taking taylor expansion of (/ -1 x) in x
3.057 * [taylor]: Taking taylor expansion of -1 in x
3.057 * [taylor]: Taking taylor expansion of x in x
3.058 * [taylor]: Taking taylor expansion of 0 in x
3.060 * [taylor]: Taking taylor expansion of 0 in x
3.062 * [taylor]: Taking taylor expansion of 0 in x
3.063 * * * * [progress]: [ 2 / 2 ] generating series at (2 1 2)
3.063 * [approximate]: Taking taylor expansion of (/ (pow y 2) x) in (y x) around 0
3.063 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) in x
3.063 * [taylor]: Taking taylor expansion of (pow y 2) in x
3.063 * [taylor]: Taking taylor expansion of y in x
3.063 * [taylor]: Taking taylor expansion of x in x
3.063 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) in y
3.063 * [taylor]: Taking taylor expansion of (pow y 2) in y
3.063 * [taylor]: Taking taylor expansion of y in y
3.063 * [taylor]: Taking taylor expansion of x in y
3.063 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) in y
3.063 * [taylor]: Taking taylor expansion of (pow y 2) in y
3.063 * [taylor]: Taking taylor expansion of y in y
3.063 * [taylor]: Taking taylor expansion of x in y
3.064 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.064 * [taylor]: Taking taylor expansion of x in x
3.064 * [taylor]: Taking taylor expansion of 0 in x
3.065 * [taylor]: Taking taylor expansion of 0 in x
3.070 * [taylor]: Taking taylor expansion of 0 in x
3.071 * [approximate]: Taking taylor expansion of (/ x (pow y 2)) in (y x) around 0
3.071 * [taylor]: Taking taylor expansion of (/ x (pow y 2)) in x
3.071 * [taylor]: Taking taylor expansion of x in x
3.071 * [taylor]: Taking taylor expansion of (pow y 2) in x
3.071 * [taylor]: Taking taylor expansion of y in x
3.071 * [taylor]: Taking taylor expansion of (/ x (pow y 2)) in y
3.071 * [taylor]: Taking taylor expansion of x in y
3.071 * [taylor]: Taking taylor expansion of (pow y 2) in y
3.071 * [taylor]: Taking taylor expansion of y in y
3.071 * [taylor]: Taking taylor expansion of (/ x (pow y 2)) in y
3.071 * [taylor]: Taking taylor expansion of x in y
3.071 * [taylor]: Taking taylor expansion of (pow y 2) in y
3.071 * [taylor]: Taking taylor expansion of y in y
3.072 * [taylor]: Taking taylor expansion of x in x
3.073 * [taylor]: Taking taylor expansion of 0 in x
3.074 * [taylor]: Taking taylor expansion of 0 in x
3.076 * [taylor]: Taking taylor expansion of 0 in x
3.076 * [approximate]: Taking taylor expansion of (* -1 (/ x (pow y 2))) in (y x) around 0
3.076 * [taylor]: Taking taylor expansion of (* -1 (/ x (pow y 2))) in x
3.076 * [taylor]: Taking taylor expansion of -1 in x
3.076 * [taylor]: Taking taylor expansion of (/ x (pow y 2)) in x
3.076 * [taylor]: Taking taylor expansion of x in x
3.076 * [taylor]: Taking taylor expansion of (pow y 2) in x
3.076 * [taylor]: Taking taylor expansion of y in x
3.076 * [taylor]: Taking taylor expansion of (* -1 (/ x (pow y 2))) in y
3.076 * [taylor]: Taking taylor expansion of -1 in y
3.076 * [taylor]: Taking taylor expansion of (/ x (pow y 2)) in y
3.077 * [taylor]: Taking taylor expansion of x in y
3.077 * [taylor]: Taking taylor expansion of (pow y 2) in y
3.077 * [taylor]: Taking taylor expansion of y in y
3.077 * [taylor]: Taking taylor expansion of (* -1 (/ x (pow y 2))) in y
3.077 * [taylor]: Taking taylor expansion of -1 in y
3.077 * [taylor]: Taking taylor expansion of (/ x (pow y 2)) in y
3.077 * [taylor]: Taking taylor expansion of x in y
3.077 * [taylor]: Taking taylor expansion of (pow y 2) in y
3.077 * [taylor]: Taking taylor expansion of y in y
3.077 * [taylor]: Taking taylor expansion of (* -1 x) in x
3.077 * [taylor]: Taking taylor expansion of -1 in x
3.077 * [taylor]: Taking taylor expansion of x in x
3.079 * [taylor]: Taking taylor expansion of 0 in x
3.081 * [taylor]: Taking taylor expansion of 0 in x
3.084 * [taylor]: Taking taylor expansion of 0 in x
3.085 * * * [progress]: simplifying candidates
3.085 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- 1)
  (- 1)
  (- (+ (- (log y) (log x)) (log y)))
  (- (+ (log (/ y x)) (log y)))
  (- (log (* (/ y x) y)))
  (- 0 (+ (- (log y) (log x)) (log y)))
  (- 0 (+ (log (/ y x)) (log y)))
  (- 0 (log (* (/ y x) y)))
  (- (log 1) (+ (- (log y) (log x)) (log y)))
  (- (log 1) (+ (log (/ y x)) (log y)))
  (- (log 1) (log (* (/ y x) y)))
  (log (/ 1 (* (/ y x) y)))
  (exp (/ 1 (* (/ y x) y)))
  (/ (* (* 1 1) 1) (* (/ (* (* y y) y) (* (* x x) x)) (* (* y y) y)))
  (/ (* (* 1 1) 1) (* (* (* (/ y x) (/ y x)) (/ y x)) (* (* y y) y)))
  (/ (* (* 1 1) 1) (* (* (* (/ y x) y) (* (/ y x) y)) (* (/ y x) y)))
  (* (cbrt (/ 1 (* (/ y x) y))) (cbrt (/ 1 (* (/ y x) y))))
  (cbrt (/ 1 (* (/ y x) y)))
  (* (* (/ 1 (* (/ y x) y)) (/ 1 (* (/ y x) y))) (/ 1 (* (/ y x) y)))
  (sqrt (/ 1 (* (/ y x) y)))
  (sqrt (/ 1 (* (/ y x) y)))
  (- 1)
  (- (* (/ y x) y))
  (/ (* (cbrt 1) (cbrt 1)) (/ y x))
  (/ (cbrt 1) y)
  (/ (sqrt 1) (/ y x))
  (/ (sqrt 1) y)
  (/ 1 (/ y x))
  (/ 1 y)
  (/ 1 (* (/ y x) y))
  (/ (* (/ y x) y) 1)
  (/ 1 (/ y x))
  (/ (* (/ y x) y) (cbrt 1))
  (/ (* (/ y x) y) (sqrt 1))
  (/ (* (/ y x) y) 1)
  (/ 1 (* y y))
  (* (/ y x) y)
  (+ (- (log y) (log x)) (log y))
  (+ (log (/ y x)) (log y))
  (log (* (/ y x) y))
  (exp (* (/ y x) y))
  (* (/ (* (* y y) y) (* (* x x) x)) (* (* y y) y))
  (* (* (* (/ y x) (/ y x)) (/ y x)) (* (* y y) y))
  (* (cbrt (* (/ y x) y)) (cbrt (* (/ y x) y)))
  (cbrt (* (/ y x) y))
  (* (* (* (/ y x) y) (* (/ y x) y)) (* (/ y x) y))
  (sqrt (* (/ y x) y))
  (sqrt (* (/ y x) y))
  (* (sqrt (/ y x)) (sqrt y))
  (* (sqrt (/ y x)) (sqrt y))
  (* (/ (sqrt y) (sqrt x)) (sqrt y))
  (* (/ (sqrt y) (sqrt x)) (sqrt y))
  (* (/ y x) (* (cbrt y) (cbrt y)))
  (* (/ y x) (sqrt y))
  (* (/ y x) 1)
  (* (cbrt (/ y x)) y)
  (* (sqrt (/ y x)) y)
  (* (/ (cbrt y) (cbrt x)) y)
  (* (/ (cbrt y) (sqrt x)) y)
  (* (/ (cbrt y) x) y)
  (* (/ (sqrt y) (cbrt x)) y)
  (* (/ (sqrt y) (sqrt x)) y)
  (* (/ (sqrt y) x) y)
  (* (/ y (cbrt x)) y)
  (* (/ y (sqrt x)) y)
  (* (/ y x) y)
  (* (/ y x) y)
  (* (/ 1 x) y)
  (* y y)
  (/ x (pow y 2))
  (/ x (pow y 2))
  (/ x (pow y 2))
  (/ (pow y 2) x)
  (/ (pow y 2) x)
  (/ (pow y 2) x)
3.088 * * [simplify]: iteration  0 :  102  enodes  (cost  596 )
3.106 * * [simplify]: iteration  1 :  250  enodes  (cost  546 )
3.163 * * [simplify]: iteration  2 :  949  enodes  (cost  456 )
3.654 * * [simplify]: iteration  done :  5000  enodes  (cost  416 )
3.655 * [simplify]: Simplified to:
   -1
  -1
  (log (/ x (pow y 2)))
  (log (/ x (pow y 2)))
  (log (/ x (pow y 2)))
  (log (/ x (pow y 2)))
  (log (/ x (pow y 2)))
  (log (/ x (pow y 2)))
  (log (/ x (pow y 2)))
  (log (/ x (pow y 2)))
  (log (/ x (pow y 2)))
  (log (/ x (pow y 2)))
  (exp (/ x (pow y 2)))
  (pow (/ x (pow y 2)) 3)
  (pow (/ x (pow y 2)) 3)
  (pow (/ x (pow y 2)) 3)
  (* (cbrt (/ x (pow y 2))) (cbrt (/ x (pow y 2))))
  (cbrt (/ x (pow y 2)))
  (pow (/ x (pow y 2)) 3)
  (sqrt (/ x (pow y 2)))
  (sqrt (/ x (pow y 2)))
  -1
  (- (* (/ y x) y))
  (/ x y)
  (/ 1 y)
  (/ x y)
  (/ 1 y)
  (/ x y)
  (/ 1 y)
  (/ x (pow y 2))
  (* y (/ y x))
  (/ x y)
  (* y (/ y x))
  (* y (/ y x))
  (* y (/ y x))
  (/ 1 (* y y))
  (* y (/ y x))
  (log (* (/ y x) y))
  (log (* (/ y x) y))
  (log (* (/ y x) y))
  (exp (* (/ y x) y))
  (pow (* y (/ y x)) 3)
  (pow (* y (/ y x)) 3)
  (* (cbrt (* (/ y x) y)) (cbrt (* (/ y x) y)))
  (cbrt (* (/ y x) y))
  (pow (* y (/ y x)) 3)
  (sqrt (* (/ y x) y))
  (sqrt (* (/ y x) y))
  (* (sqrt (/ y x)) (sqrt y))
  (* (sqrt (/ y x)) (sqrt y))
  (/ y (sqrt x))
  (/ y (sqrt x))
  (* (/ y x) (* (cbrt y) (cbrt y)))
  (* (/ (sqrt y) x) y)
  (/ y x)
  (* (cbrt (/ y x)) y)
  (* (sqrt (/ y x)) y)
  (* (/ (cbrt y) (cbrt x)) y)
  (* (/ (cbrt y) (sqrt x)) y)
  (* (/ (cbrt y) x) y)
  (* (/ (sqrt y) (cbrt x)) y)
  (* (/ (sqrt y) (sqrt x)) y)
  (* (/ (sqrt y) x) y)
  (* (/ y (cbrt x)) y)
  (* (/ y (sqrt x)) y)
  (* y (/ y x))
  (* y (/ y x))
  (/ y x)
  (* y y)
  (/ x (pow y 2))
  (/ x (pow y 2))
  (/ x (pow y 2))
  (* y (/ y x))
  (* y (/ y x))
  (* y (/ y x))
3.655 * * * [progress]: adding candidates to table
3.758 * * [progress]: iteration 4 / 4
3.758 * * * [progress]: picking best candidate
3.769 * * * * [pick]: Picked  #<alt (λ (x y) (- (* (/ x y) (/ 1 y)) 3.0))>
3.769 * * * [progress]: localizing error
3.774 * * * [progress]: generating rewritten candidates
3.775 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1)
3.792 * * * [progress]: generating series expansions
3.792 * * * * [progress]: [ 1 / 1 ] generating series at (2 1)
3.793 * [approximate]: Taking taylor expansion of (/ x (pow y 2)) in (x y) around 0
3.793 * [taylor]: Taking taylor expansion of (/ x (pow y 2)) in y
3.793 * [taylor]: Taking taylor expansion of x in y
3.793 * [taylor]: Taking taylor expansion of (pow y 2) in y
3.793 * [taylor]: Taking taylor expansion of y in y
3.793 * [taylor]: Taking taylor expansion of (/ x (pow y 2)) in x
3.793 * [taylor]: Taking taylor expansion of x in x
3.793 * [taylor]: Taking taylor expansion of (pow y 2) in x
3.793 * [taylor]: Taking taylor expansion of y in x
3.793 * [taylor]: Taking taylor expansion of (/ x (pow y 2)) in x
3.793 * [taylor]: Taking taylor expansion of x in x
3.793 * [taylor]: Taking taylor expansion of (pow y 2) in x
3.793 * [taylor]: Taking taylor expansion of y in x
3.794 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
3.794 * [taylor]: Taking taylor expansion of (pow y 2) in y
3.794 * [taylor]: Taking taylor expansion of y in y
3.794 * [taylor]: Taking taylor expansion of 0 in y
3.796 * [taylor]: Taking taylor expansion of 0 in y
3.798 * [taylor]: Taking taylor expansion of 0 in y
3.800 * [taylor]: Taking taylor expansion of 0 in y
3.800 * [approximate]: Taking taylor expansion of (/ (pow y 2) x) in (x y) around 0
3.800 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) in y
3.801 * [taylor]: Taking taylor expansion of (pow y 2) in y
3.801 * [taylor]: Taking taylor expansion of y in y
3.801 * [taylor]: Taking taylor expansion of x in y
3.801 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) in x
3.801 * [taylor]: Taking taylor expansion of (pow y 2) in x
3.801 * [taylor]: Taking taylor expansion of y in x
3.801 * [taylor]: Taking taylor expansion of x in x
3.801 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) in x
3.801 * [taylor]: Taking taylor expansion of (pow y 2) in x
3.801 * [taylor]: Taking taylor expansion of y in x
3.801 * [taylor]: Taking taylor expansion of x in x
3.801 * [taylor]: Taking taylor expansion of (pow y 2) in y
3.801 * [taylor]: Taking taylor expansion of y in y
3.802 * [taylor]: Taking taylor expansion of 0 in y
3.804 * [taylor]: Taking taylor expansion of 0 in y
3.806 * [taylor]: Taking taylor expansion of 0 in y
3.806 * [approximate]: Taking taylor expansion of (* -1 (/ (pow y 2) x)) in (x y) around 0
3.806 * [taylor]: Taking taylor expansion of (* -1 (/ (pow y 2) x)) in y
3.806 * [taylor]: Taking taylor expansion of -1 in y
3.806 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) in y
3.806 * [taylor]: Taking taylor expansion of (pow y 2) in y
3.806 * [taylor]: Taking taylor expansion of y in y
3.806 * [taylor]: Taking taylor expansion of x in y
3.807 * [taylor]: Taking taylor expansion of (* -1 (/ (pow y 2) x)) in x
3.807 * [taylor]: Taking taylor expansion of -1 in x
3.807 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) in x
3.807 * [taylor]: Taking taylor expansion of (pow y 2) in x
3.807 * [taylor]: Taking taylor expansion of y in x
3.807 * [taylor]: Taking taylor expansion of x in x
3.807 * [taylor]: Taking taylor expansion of (* -1 (/ (pow y 2) x)) in x
3.807 * [taylor]: Taking taylor expansion of -1 in x
3.807 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) in x
3.807 * [taylor]: Taking taylor expansion of (pow y 2) in x
3.807 * [taylor]: Taking taylor expansion of y in x
3.807 * [taylor]: Taking taylor expansion of x in x
3.807 * [taylor]: Taking taylor expansion of (* -1 (pow y 2)) in y
3.807 * [taylor]: Taking taylor expansion of -1 in y
3.807 * [taylor]: Taking taylor expansion of (pow y 2) in y
3.807 * [taylor]: Taking taylor expansion of y in y
3.809 * [taylor]: Taking taylor expansion of 0 in y
3.811 * [taylor]: Taking taylor expansion of 0 in y
3.815 * [taylor]: Taking taylor expansion of 0 in y
3.815 * * * [progress]: simplifying candidates
3.815 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* (/ x y) (/ 1 y))
  (+ (- (log x) (log y)) (- (log y)))
  (+ (- (log x) (log y)) (- 0 (log y)))
  (+ (- (log x) (log y)) (- (log 1) (log y)))
  (+ (- (log x) (log y)) (log (/ 1 y)))
  (+ (log (/ x y)) (- (log y)))
  (+ (log (/ x y)) (- 0 (log y)))
  (+ (log (/ x y)) (- (log 1) (log y)))
  (+ (log (/ x y)) (log (/ 1 y)))
  (log (* (/ x y) (/ 1 y)))
  (exp (* (/ x y) (/ 1 y)))
  (* (/ (* (* x x) x) (* (* y y) y)) (/ (* (* 1 1) 1) (* (* y y) y)))
  (* (/ (* (* x x) x) (* (* y y) y)) (* (* (/ 1 y) (/ 1 y)) (/ 1 y)))
  (* (* (* (/ x y) (/ x y)) (/ x y)) (/ (* (* 1 1) 1) (* (* y y) y)))
  (* (* (* (/ x y) (/ x y)) (/ x y)) (* (* (/ 1 y) (/ 1 y)) (/ 1 y)))
  (* (cbrt (* (/ x y) (/ 1 y))) (cbrt (* (/ x y) (/ 1 y))))
  (cbrt (* (/ x y) (/ 1 y)))
  (* (* (* (/ x y) (/ 1 y)) (* (/ x y) (/ 1 y))) (* (/ x y) (/ 1 y)))
  (sqrt (* (/ x y) (/ 1 y)))
  (sqrt (* (/ x y) (/ 1 y)))
  (* x 1)
  (* y y)
  (* (sqrt (/ x y)) (sqrt (/ 1 y)))
  (* (sqrt (/ x y)) (sqrt (/ 1 y)))
  (* (sqrt (/ x y)) (/ (sqrt 1) (sqrt y)))
  (* (sqrt (/ x y)) (/ (sqrt 1) (sqrt y)))
  (* (sqrt (/ x y)) (/ 1 (sqrt y)))
  (* (sqrt (/ x y)) (/ 1 (sqrt y)))
  (* (/ (sqrt x) (sqrt y)) (sqrt (/ 1 y)))
  (* (/ (sqrt x) (sqrt y)) (sqrt (/ 1 y)))
  (* (/ (sqrt x) (sqrt y)) (/ (sqrt 1) (sqrt y)))
  (* (/ (sqrt x) (sqrt y)) (/ (sqrt 1) (sqrt y)))
  (* (/ (sqrt x) (sqrt y)) (/ 1 (sqrt y)))
  (* (/ (sqrt x) (sqrt y)) (/ 1 (sqrt y)))
  (* (/ x y) (* (cbrt (/ 1 y)) (cbrt (/ 1 y))))
  (* (/ x y) (sqrt (/ 1 y)))
  (* (/ x y) (/ (* (cbrt 1) (cbrt 1)) (* (cbrt y) (cbrt y))))
  (* (/ x y) (/ (* (cbrt 1) (cbrt 1)) (sqrt y)))
  (* (/ x y) (/ (* (cbrt 1) (cbrt 1)) 1))
  (* (/ x y) (/ (sqrt 1) (* (cbrt y) (cbrt y))))
  (* (/ x y) (/ (sqrt 1) (sqrt y)))
  (* (/ x y) (/ (sqrt 1) 1))
  (* (/ x y) (/ 1 (* (cbrt y) (cbrt y))))
  (* (/ x y) (/ 1 (sqrt y)))
  (* (/ x y) (/ 1 1))
  (* (/ x y) 1)
  (* (/ x y) 1)
  (* (cbrt (/ x y)) (/ 1 y))
  (* (sqrt (/ x y)) (/ 1 y))
  (* (/ (cbrt x) (cbrt y)) (/ 1 y))
  (* (/ (cbrt x) (sqrt y)) (/ 1 y))
  (* (/ (cbrt x) y) (/ 1 y))
  (* (/ (sqrt x) (cbrt y)) (/ 1 y))
  (* (/ (sqrt x) (sqrt y)) (/ 1 y))
  (* (/ (sqrt x) y) (/ 1 y))
  (* (/ x (cbrt y)) (/ 1 y))
  (* (/ x (sqrt y)) (/ 1 y))
  (* (/ x y) (/ 1 y))
  (* (/ x y) (/ 1 y))
  (* (/ 1 y) (/ 1 y))
  (* (/ x y) 1)
  (* x (/ 1 y))
  (/ x (pow y 2))
  (/ x (pow y 2))
  (/ x (pow y 2))
3.818 * * [simplify]: iteration  0 :  110  enodes  (cost  633 )
3.841 * * [simplify]: iteration  1 :  333  enodes  (cost  532 )
3.929 * * [simplify]: iteration  2 :  1412  enodes  (cost  414 )
4.699 * * [simplify]: iteration  done :  5000  enodes  (cost  414 )
4.700 * [simplify]: Simplified to:
   (/ (/ x y) y)
  (log (/ (/ x y) y))
  (log (/ (/ x y) y))
  (log (/ (/ x y) y))
  (log (/ (/ x y) y))
  (log (/ (/ x y) y))
  (log (/ (/ x y) y))
  (log (/ (/ x y) y))
  (log (/ (/ x y) y))
  (log (/ (/ x y) y))
  (exp (/ (/ x y) y))
  (pow (/ (/ x y) y) 3)
  (pow (/ (/ x y) y) 3)
  (pow (/ (/ x y) y) 3)
  (pow (/ (/ x y) y) 3)
  (* (cbrt (/ (/ x y) y)) (cbrt (/ (/ x y) y)))
  (cbrt (/ (/ x y) y))
  (pow (/ (/ x y) y) 3)
  (sqrt (/ (/ x y) y))
  (sqrt (/ (/ x y) y))
  x
  (* y y)
  (* (sqrt (/ x y)) (sqrt (/ 1 y)))
  (* (sqrt (/ x y)) (sqrt (/ 1 y)))
  (/ (sqrt (/ x y)) (sqrt y))
  (/ (sqrt (/ x y)) (sqrt y))
  (/ (sqrt (/ x y)) (sqrt y))
  (/ (sqrt (/ x y)) (sqrt y))
  (* (/ (sqrt x) (sqrt y)) (sqrt (/ 1 y)))
  (* (/ (sqrt x) (sqrt y)) (sqrt (/ 1 y)))
  (/ (/ (sqrt x) (sqrt y)) (sqrt y))
  (/ (/ (sqrt x) (sqrt y)) (sqrt y))
  (/ (/ (sqrt x) (sqrt y)) (sqrt y))
  (/ (/ (sqrt x) (sqrt y)) (sqrt y))
  (* (/ x y) (* (cbrt (/ 1 y)) (cbrt (/ 1 y))))
  (* (/ x y) (sqrt (/ 1 y)))
  (/ (/ x y) (* (cbrt y) (cbrt y)))
  (/ (/ x y) (sqrt y))
  (/ x y)
  (/ (/ x y) (* (cbrt y) (cbrt y)))
  (/ (/ x y) (sqrt y))
  (/ x y)
  (/ (/ x y) (* (cbrt y) (cbrt y)))
  (/ (/ x y) (sqrt y))
  (/ x y)
  (/ x y)
  (/ x y)
  (/ (cbrt (/ x y)) y)
  (/ (sqrt (/ x y)) y)
  (/ (/ (cbrt x) (cbrt y)) y)
  (/ (/ (cbrt x) y) (sqrt y))
  (/ (/ (cbrt x) y) y)
  (/ (/ (sqrt x) (cbrt y)) y)
  (/ (/ (sqrt x) y) (sqrt y))
  (/ (/ (sqrt x) y) y)
  (/ x (* (cbrt y) y))
  (/ (/ x y) (sqrt y))
  (/ (/ x y) y)
  (/ (/ x y) y)
  (/ 1 (* y y))
  (/ x y)
  (/ x y)
  (/ (/ x y) y)
  (/ (/ x y) y)
  (/ (/ x y) y)
4.700 * * * [progress]: adding candidates to table
4.791 * [progress]: [Phase 3 of 3] Extracting.
4.792 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (- (* x (/ (/ 1 y) y)) 3.0))> #<alt (λ (x y) (- (/ (/ (/ x y) (sqrt y)) (sqrt y)) 3.0))> #<alt (λ (x y) (- (/ 1 (* (/ y x) y)) 3.0))> #<alt (λ (x y) (- (/ x (* y y)) 3.0))> #<alt (λ (x y) (- (/ (/ x y) y) 3.0))> #<alt (λ (x y) (- (* (* (cbrt (/ x y)) (cbrt (/ x y))) (/ (cbrt (/ x y)) y)) 3.0))> #<alt (λ (x y) (- (* (/ x y) (/ 1 y)) 3.0))> #<alt (λ (x y) (- (* (/ (/ (* (cbrt x) (cbrt x)) (* (cbrt y) (cbrt y))) (* (cbrt y) (cbrt y))) (/ (/ (cbrt x) (cbrt y)) (cbrt y))) 3.0))> #<alt (λ (x y) (- (/ (* (cbrt x) (cbrt x)) (/ (* y y) (cbrt x))) 3.0))>)
4.793 * * * [regime-changes]: Trying 5 branch expressions: ((* y y) (/ x (* y y)) (- (/ x (* y y)) 3.0) y x)
4.793 * * * * [regimes]: Trying to branch on (* y y) from (#<alt (λ (x y) (- (* x (/ (/ 1 y) y)) 3.0))> #<alt (λ (x y) (- (/ (/ (/ x y) (sqrt y)) (sqrt y)) 3.0))> #<alt (λ (x y) (- (/ 1 (* (/ y x) y)) 3.0))> #<alt (λ (x y) (- (/ x (* y y)) 3.0))> #<alt (λ (x y) (- (/ (/ x y) y) 3.0))> #<alt (λ (x y) (- (* (* (cbrt (/ x y)) (cbrt (/ x y))) (/ (cbrt (/ x y)) y)) 3.0))> #<alt (λ (x y) (- (* (/ x y) (/ 1 y)) 3.0))> #<alt (λ (x y) (- (* (/ (/ (* (cbrt x) (cbrt x)) (* (cbrt y) (cbrt y))) (* (cbrt y) (cbrt y))) (/ (/ (cbrt x) (cbrt y)) (cbrt y))) 3.0))> #<alt (λ (x y) (- (/ (* (cbrt x) (cbrt x)) (/ (* y y) (cbrt x))) 3.0))>)
4.818 * * * * [regimes]: Trying to branch on (* y y) from (#<alt (λ (x y) (- (/ x (* y y)) 3.0))> #<alt (λ (x y) (- (/ (* (cbrt x) (cbrt x)) (/ (* y y) (cbrt x))) 3.0))>)
4.828 * * * * [regimes]: Trying to branch on (/ x (* y y)) from (#<alt (λ (x y) (- (* x (/ (/ 1 y) y)) 3.0))> #<alt (λ (x y) (- (/ (/ (/ x y) (sqrt y)) (sqrt y)) 3.0))> #<alt (λ (x y) (- (/ 1 (* (/ y x) y)) 3.0))> #<alt (λ (x y) (- (/ x (* y y)) 3.0))> #<alt (λ (x y) (- (/ (/ x y) y) 3.0))> #<alt (λ (x y) (- (* (* (cbrt (/ x y)) (cbrt (/ x y))) (/ (cbrt (/ x y)) y)) 3.0))> #<alt (λ (x y) (- (* (/ x y) (/ 1 y)) 3.0))> #<alt (λ (x y) (- (* (/ (/ (* (cbrt x) (cbrt x)) (* (cbrt y) (cbrt y))) (* (cbrt y) (cbrt y))) (/ (/ (cbrt x) (cbrt y)) (cbrt y))) 3.0))> #<alt (λ (x y) (- (/ (* (cbrt x) (cbrt x)) (/ (* y y) (cbrt x))) 3.0))>)
4.853 * * * * [regimes]: Trying to branch on (- (/ x (* y y)) 3.0) from (#<alt (λ (x y) (- (* x (/ (/ 1 y) y)) 3.0))> #<alt (λ (x y) (- (/ (/ (/ x y) (sqrt y)) (sqrt y)) 3.0))> #<alt (λ (x y) (- (/ 1 (* (/ y x) y)) 3.0))> #<alt (λ (x y) (- (/ x (* y y)) 3.0))> #<alt (λ (x y) (- (/ (/ x y) y) 3.0))> #<alt (λ (x y) (- (* (* (cbrt (/ x y)) (cbrt (/ x y))) (/ (cbrt (/ x y)) y)) 3.0))> #<alt (λ (x y) (- (* (/ x y) (/ 1 y)) 3.0))> #<alt (λ (x y) (- (* (/ (/ (* (cbrt x) (cbrt x)) (* (cbrt y) (cbrt y))) (* (cbrt y) (cbrt y))) (/ (/ (cbrt x) (cbrt y)) (cbrt y))) 3.0))> #<alt (λ (x y) (- (/ (* (cbrt x) (cbrt x)) (/ (* y y) (cbrt x))) 3.0))>)
4.874 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (- (* x (/ (/ 1 y) y)) 3.0))> #<alt (λ (x y) (- (/ (/ (/ x y) (sqrt y)) (sqrt y)) 3.0))> #<alt (λ (x y) (- (/ 1 (* (/ y x) y)) 3.0))> #<alt (λ (x y) (- (/ x (* y y)) 3.0))> #<alt (λ (x y) (- (/ (/ x y) y) 3.0))> #<alt (λ (x y) (- (* (* (cbrt (/ x y)) (cbrt (/ x y))) (/ (cbrt (/ x y)) y)) 3.0))> #<alt (λ (x y) (- (* (/ x y) (/ 1 y)) 3.0))> #<alt (λ (x y) (- (* (/ (/ (* (cbrt x) (cbrt x)) (* (cbrt y) (cbrt y))) (* (cbrt y) (cbrt y))) (/ (/ (cbrt x) (cbrt y)) (cbrt y))) 3.0))> #<alt (λ (x y) (- (/ (* (cbrt x) (cbrt x)) (/ (* y y) (cbrt x))) 3.0))>)
4.900 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (- (* x (/ (/ 1 y) y)) 3.0))> #<alt (λ (x y) (- (/ (/ (/ x y) (sqrt y)) (sqrt y)) 3.0))> #<alt (λ (x y) (- (/ 1 (* (/ y x) y)) 3.0))> #<alt (λ (x y) (- (/ x (* y y)) 3.0))> #<alt (λ (x y) (- (/ (/ x y) y) 3.0))> #<alt (λ (x y) (- (* (* (cbrt (/ x y)) (cbrt (/ x y))) (/ (cbrt (/ x y)) y)) 3.0))> #<alt (λ (x y) (- (* (/ x y) (/ 1 y)) 3.0))> #<alt (λ (x y) (- (* (/ (/ (* (cbrt x) (cbrt x)) (* (cbrt y) (cbrt y))) (* (cbrt y) (cbrt y))) (/ (/ (cbrt x) (cbrt y)) (cbrt y))) 3.0))> #<alt (λ (x y) (- (/ (* (cbrt x) (cbrt x)) (/ (* y y) (cbrt x))) 3.0))>)
4.923 * * * [regime]: Found split indices: #<option (#s(si 4 255))>
4.923 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (/ (/ x y) y) 3.0)
4.923 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
4.923 * * [simplify]: iteration  done :  6  enodes  (cost  7 )
4.924 * [simplify]: Simplified to:
   (- (/ (/ x y) y) 3.0)
5.486 * [regime-testing]: Baseline error score: 0.09350004883055486
5.487 * [regime-testing]: Oracle error score: 0.005739078709289727
5.487 * [regime-testing]: End program error score: 0.09350004883055486
5.505 * [regime-testing]: Target error score: 0.09350004883055486