12.772 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.020 * * * [progress]: [2/2] Setting up program.
0.021 * [progress]: [Phase 2 of 3] Improving.
0.021 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (* (* x 2.0) y) (- x y))
0.024 * * [simplify]: iteration  0 :  15  enodes  (cost  4 )
0.025 * * [simplify]: iteration  1 :  36  enodes  (cost  4 )
0.027 * * [simplify]: iteration  2 :  73  enodes  (cost  4 )
0.028 * * [simplify]: iteration  3 :  127  enodes  (cost  4 )
0.031 * * [simplify]: iteration  4 :  167  enodes  (cost  4 )
0.033 * * [simplify]: iteration  5 :  185  enodes  (cost  4 )
0.035 * * [simplify]: iteration  6 :  187  enodes  (cost  4 )
0.037 * * [simplify]: iteration  7 :  187  enodes  (cost  4 )
0.037 * [simplify]: Simplified to:
   (/ (* (* x 2.0) y) (- x y))
0.038 * * [progress]: iteration 1 / 4
0.038 * * * [progress]: picking best candidate
0.039 * * * * [pick]: Picked  #<alt (λ (x y) (/ (* (* x 2.0) y) (- x y)))>
0.039 * * * [progress]: localizing error
0.044 * * * [progress]: generating rewritten candidates
0.044 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.056 * * * [progress]: generating series expansions
0.056 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.056 * [approximate]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in (x y) around 0
0.056 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in y
0.056 * [taylor]: Taking taylor expansion of 2.0 in y
0.056 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in y
0.056 * [taylor]: Taking taylor expansion of (* x y) in y
0.056 * [taylor]: Taking taylor expansion of x in y
0.056 * [taylor]: Taking taylor expansion of y in y
0.056 * [taylor]: Taking taylor expansion of (- x y) in y
0.056 * [taylor]: Taking taylor expansion of x in y
0.056 * [taylor]: Taking taylor expansion of y in y
0.057 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
0.057 * [taylor]: Taking taylor expansion of 2.0 in x
0.057 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
0.057 * [taylor]: Taking taylor expansion of (* x y) in x
0.057 * [taylor]: Taking taylor expansion of x in x
0.057 * [taylor]: Taking taylor expansion of y in x
0.057 * [taylor]: Taking taylor expansion of (- x y) in x
0.057 * [taylor]: Taking taylor expansion of x in x
0.057 * [taylor]: Taking taylor expansion of y in x
0.057 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
0.057 * [taylor]: Taking taylor expansion of 2.0 in x
0.057 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
0.057 * [taylor]: Taking taylor expansion of (* x y) in x
0.057 * [taylor]: Taking taylor expansion of x in x
0.057 * [taylor]: Taking taylor expansion of y in x
0.057 * [taylor]: Taking taylor expansion of (- x y) in x
0.057 * [taylor]: Taking taylor expansion of x in x
0.057 * [taylor]: Taking taylor expansion of y in x
0.058 * [taylor]: Taking taylor expansion of -2.0 in y
0.060 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 y))) in y
0.060 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.060 * [taylor]: Taking taylor expansion of 2.0 in y
0.060 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.060 * [taylor]: Taking taylor expansion of y in y
0.064 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
0.064 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.064 * [taylor]: Taking taylor expansion of 2.0 in y
0.064 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.064 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.064 * [taylor]: Taking taylor expansion of y in y
0.069 * [approximate]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in (x y) around 0
0.069 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in y
0.069 * [taylor]: Taking taylor expansion of 2.0 in y
0.070 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in y
0.070 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.070 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.070 * [taylor]: Taking taylor expansion of x 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 (* x y) in y
0.070 * [taylor]: Taking taylor expansion of x in y
0.070 * [taylor]: Taking taylor expansion of y in y
0.072 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
0.072 * [taylor]: Taking taylor expansion of 2.0 in x
0.072 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
0.072 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.072 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.072 * [taylor]: Taking taylor expansion of x in x
0.072 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.072 * [taylor]: Taking taylor expansion of y in x
0.072 * [taylor]: Taking taylor expansion of (* x y) in x
0.072 * [taylor]: Taking taylor expansion of x in x
0.072 * [taylor]: Taking taylor expansion of y in x
0.073 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
0.074 * [taylor]: Taking taylor expansion of 2.0 in x
0.074 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
0.074 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.074 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.074 * [taylor]: Taking taylor expansion of x in x
0.074 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.074 * [taylor]: Taking taylor expansion of y in x
0.074 * [taylor]: Taking taylor expansion of (* x y) in x
0.074 * [taylor]: Taking taylor expansion of x in x
0.074 * [taylor]: Taking taylor expansion of y in x
0.075 * [taylor]: Taking taylor expansion of (/ 2.0 y) in y
0.075 * [taylor]: Taking taylor expansion of 2.0 in y
0.075 * [taylor]: Taking taylor expansion of y in y
0.082 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.082 * [taylor]: Taking taylor expansion of 2.0 in y
0.082 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.082 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.082 * [taylor]: Taking taylor expansion of y in y
0.088 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
0.088 * [taylor]: Taking taylor expansion of 2.0 in y
0.088 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.088 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.088 * [taylor]: Taking taylor expansion of y in y
0.096 * [approximate]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in (x y) around 0
0.096 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in y
0.096 * [taylor]: Taking taylor expansion of 2.0 in y
0.096 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in y
0.096 * [taylor]: Taking taylor expansion of x in y
0.096 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in y
0.096 * [taylor]: Taking taylor expansion of y in y
0.096 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.096 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.096 * [taylor]: Taking taylor expansion of y in y
0.096 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.096 * [taylor]: Taking taylor expansion of x in y
0.098 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
0.098 * [taylor]: Taking taylor expansion of 2.0 in x
0.098 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
0.098 * [taylor]: Taking taylor expansion of x in x
0.098 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.098 * [taylor]: Taking taylor expansion of y in x
0.098 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.098 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.098 * [taylor]: Taking taylor expansion of y in x
0.098 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.098 * [taylor]: Taking taylor expansion of x in x
0.100 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
0.100 * [taylor]: Taking taylor expansion of 2.0 in x
0.100 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
0.100 * [taylor]: Taking taylor expansion of x in x
0.100 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.100 * [taylor]: Taking taylor expansion of y in x
0.100 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.100 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.100 * [taylor]: Taking taylor expansion of y in x
0.100 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.100 * [taylor]: Taking taylor expansion of x in x
0.102 * [taylor]: Taking taylor expansion of (/ -2.0 y) in y
0.102 * [taylor]: Taking taylor expansion of -2.0 in y
0.102 * [taylor]: Taking taylor expansion of y in y
0.105 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
0.105 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.105 * [taylor]: Taking taylor expansion of 2.0 in y
0.105 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.105 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.105 * [taylor]: Taking taylor expansion of y in y
0.111 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 3)))) in y
0.111 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
0.111 * [taylor]: Taking taylor expansion of 2.0 in y
0.111 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.111 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.111 * [taylor]: Taking taylor expansion of y in y
0.119 * * * [progress]: simplifying candidates
0.120 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (expm1 (/ (* (* x 2.0) y) (- x y)))
  (log1p (/ (* (* x 2.0) y) (- x y)))
  (- (+ (+ (log x) (log 2.0)) (log y)) (log (- x y)))
  (- (+ (log (* x 2.0)) (log y)) (log (- x y)))
  (- (log (* (* x 2.0) y)) (log (- x y)))
  (log (/ (* (* x 2.0) y) (- x y)))
  (exp (/ (* (* x 2.0) y) (- x y)))
  (/ (* (* (* (* x x) x) (* (* 2.0 2.0) 2.0)) (* (* y y) y)) (* (* (- x y) (- x y)) (- x y)))
  (/ (* (* (* (* x 2.0) (* x 2.0)) (* x 2.0)) (* (* y y) y)) (* (* (- x y) (- x y)) (- x y)))
  (/ (* (* (* (* x 2.0) y) (* (* x 2.0) y)) (* (* x 2.0) y)) (* (* (- x y) (- x y)) (- x y)))
  (* (cbrt (/ (* (* x 2.0) y) (- x y))) (cbrt (/ (* (* x 2.0) y) (- x y))))
  (cbrt (/ (* (* x 2.0) y) (- x y)))
  (* (* (/ (* (* x 2.0) y) (- x y)) (/ (* (* x 2.0) y) (- x y))) (/ (* (* x 2.0) y) (- x y)))
  (sqrt (/ (* (* x 2.0) y) (- x y)))
  (sqrt (/ (* (* x 2.0) y) (- x y)))
  (- (* (* x 2.0) y))
  (- (- x y))
  (/ (* x 2.0) (* (cbrt (- x y)) (cbrt (- x y))))
  (/ y (cbrt (- x y)))
  (/ (* x 2.0) (sqrt (- x y)))
  (/ y (sqrt (- x y)))
  (/ (* x 2.0) 1)
  (/ y (- x y))
  (/ (* x 2.0) (+ (sqrt x) (sqrt y)))
  (/ y (- (sqrt x) (sqrt y)))
  (/ (* x 2.0) 1)
  (/ y (- x y))
  (/ 1 (- x y))
  (/ (- x y) (* (* x 2.0) y))
  (/ (* (* x 2.0) y) (* (cbrt (- x y)) (cbrt (- x y))))
  (/ (* (* x 2.0) y) (sqrt (- x y)))
  (/ (* (* x 2.0) y) 1)
  (/ (* (* x 2.0) y) (+ (sqrt x) (sqrt y)))
  (/ (* (* x 2.0) y) 1)
  (/ (- x y) y)
  (/ (* (* x 2.0) y) (- (pow x 3) (pow y 3)))
  (/ (* (* x 2.0) y) (- (* x x) (* y y)))
  0
  0
  0
0.124 * * [simplify]: iteration  0 :  214  enodes  (cost  194 )
0.128 * * [simplify]: iteration  1 :  1150  enodes  (cost  161 )
0.150 * * [simplify]: iteration  2 :  5001  enodes  (cost  161 )
0.151 * [simplify]: Simplified to:
   (expm1 (/ (* (* x 2.0) y) (- x y)))
  (log1p (/ (* (* x 2.0) y) (- x y)))
  (log (/ (* (* x 2.0) y) (- x y)))
  (log (/ (* (* x 2.0) y) (- x y)))
  (log (/ (* (* x 2.0) y) (- x y)))
  (log (/ (* (* x 2.0) y) (- x y)))
  (exp (/ (* (* x 2.0) y) (- x y)))
  (pow (/ (* (* x 2.0) y) (- x y)) 3)
  (pow (/ (* (* x 2.0) y) (- x y)) 3)
  (pow (/ (* (* x 2.0) y) (- x y)) 3)
  (* (cbrt (/ (* (* x 2.0) y) (- x y))) (cbrt (/ (* (* x 2.0) y) (- x y))))
  (cbrt (/ (* (* x 2.0) y) (- x y)))
  (pow (/ (* (* x 2.0) y) (- x y)) 3)
  (sqrt (/ (* (* x 2.0) y) (- x y)))
  (sqrt (/ (* (* x 2.0) y) (- x y)))
  (- (* (* x 2.0) y))
  (- (- x y))
  (/ (* x 2.0) (* (cbrt (- x y)) (cbrt (- x y))))
  (/ y (cbrt (- x y)))
  (/ (* x 2.0) (sqrt (- x y)))
  (/ y (sqrt (- x y)))
  (* x 2.0)
  (/ y (- x y))
  (/ (* x 2.0) (+ (sqrt x) (sqrt y)))
  (/ y (- (sqrt x) (sqrt y)))
  (* x 2.0)
  (/ y (- x y))
  (/ 1 (- x y))
  (/ (- x y) (* (* x 2.0) y))
  (/ (* (* x 2.0) y) (* (cbrt (- x y)) (cbrt (- x y))))
  (/ (* (* x 2.0) y) (sqrt (- x y)))
  (* (* x 2.0) y)
  (/ (* (* x 2.0) y) (+ (sqrt x) (sqrt y)))
  (* (* x 2.0) y)
  (/ (- x y) y)
  (/ (* (* x 2.0) y) (- (pow x 3) (pow y 3)))
  (/ (* (* x 2.0) y) (- (* x x) (* y y)))
  0
  0
  0
0.151 * * * [progress]: adding candidates to table
0.203 * * [progress]: iteration 2 / 4
0.203 * * * [progress]: picking best candidate
0.211 * * * * [pick]: Picked  #<alt (λ (x y) (* (* x 2.0) (/ y (- x y))))>
0.211 * * * [progress]: localizing error
0.217 * * * [progress]: generating rewritten candidates
0.217 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.233 * * * * [progress]: [ 2 / 2 ] rewriting at (2 2)
0.244 * * * [progress]: generating series expansions
0.244 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.244 * [approximate]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in (x y) around 0
0.244 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in y
0.244 * [taylor]: Taking taylor expansion of 2.0 in y
0.244 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in y
0.244 * [taylor]: Taking taylor expansion of (* x y) in y
0.244 * [taylor]: Taking taylor expansion of x in y
0.244 * [taylor]: Taking taylor expansion of y in y
0.244 * [taylor]: Taking taylor expansion of (- x y) in y
0.244 * [taylor]: Taking taylor expansion of x in y
0.244 * [taylor]: Taking taylor expansion of y in y
0.245 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
0.245 * [taylor]: Taking taylor expansion of 2.0 in x
0.245 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
0.245 * [taylor]: Taking taylor expansion of (* x y) in x
0.245 * [taylor]: Taking taylor expansion of x in x
0.245 * [taylor]: Taking taylor expansion of y in x
0.245 * [taylor]: Taking taylor expansion of (- x y) in x
0.245 * [taylor]: Taking taylor expansion of x in x
0.245 * [taylor]: Taking taylor expansion of y in x
0.246 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
0.246 * [taylor]: Taking taylor expansion of 2.0 in x
0.246 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
0.246 * [taylor]: Taking taylor expansion of (* x y) in x
0.246 * [taylor]: Taking taylor expansion of x in x
0.246 * [taylor]: Taking taylor expansion of y in x
0.246 * [taylor]: Taking taylor expansion of (- x y) in x
0.246 * [taylor]: Taking taylor expansion of x in x
0.246 * [taylor]: Taking taylor expansion of y in x
0.246 * [taylor]: Taking taylor expansion of -2.0 in y
0.248 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 y))) in y
0.248 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.248 * [taylor]: Taking taylor expansion of 2.0 in y
0.248 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.248 * [taylor]: Taking taylor expansion of y in y
0.252 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
0.252 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.252 * [taylor]: Taking taylor expansion of 2.0 in y
0.252 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.252 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.252 * [taylor]: Taking taylor expansion of y in y
0.257 * [approximate]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in (x y) around 0
0.257 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in y
0.257 * [taylor]: Taking taylor expansion of 2.0 in y
0.257 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in y
0.257 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.257 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.257 * [taylor]: Taking taylor expansion of x in y
0.257 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.257 * [taylor]: Taking taylor expansion of y in y
0.257 * [taylor]: Taking taylor expansion of (* x y) in y
0.258 * [taylor]: Taking taylor expansion of x in y
0.258 * [taylor]: Taking taylor expansion of y in y
0.259 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
0.259 * [taylor]: Taking taylor expansion of 2.0 in x
0.259 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
0.259 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.259 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.259 * [taylor]: Taking taylor expansion of x in x
0.260 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.260 * [taylor]: Taking taylor expansion of y in x
0.260 * [taylor]: Taking taylor expansion of (* x y) in x
0.260 * [taylor]: Taking taylor expansion of x in x
0.260 * [taylor]: Taking taylor expansion of y in x
0.261 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
0.261 * [taylor]: Taking taylor expansion of 2.0 in x
0.261 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
0.261 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.261 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.261 * [taylor]: Taking taylor expansion of x in x
0.261 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.261 * [taylor]: Taking taylor expansion of y in x
0.262 * [taylor]: Taking taylor expansion of (* x y) in x
0.262 * [taylor]: Taking taylor expansion of x in x
0.262 * [taylor]: Taking taylor expansion of y in x
0.263 * [taylor]: Taking taylor expansion of (/ 2.0 y) in y
0.263 * [taylor]: Taking taylor expansion of 2.0 in y
0.263 * [taylor]: Taking taylor expansion of y in y
0.266 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.266 * [taylor]: Taking taylor expansion of 2.0 in y
0.266 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.266 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.266 * [taylor]: Taking taylor expansion of y in y
0.272 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
0.272 * [taylor]: Taking taylor expansion of 2.0 in y
0.272 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.272 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.272 * [taylor]: Taking taylor expansion of y in y
0.280 * [approximate]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in (x y) around 0
0.280 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in y
0.280 * [taylor]: Taking taylor expansion of 2.0 in y
0.280 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in y
0.280 * [taylor]: Taking taylor expansion of x in y
0.280 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in y
0.280 * [taylor]: Taking taylor expansion of y in y
0.280 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.280 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.280 * [taylor]: Taking taylor expansion of y in y
0.280 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.280 * [taylor]: Taking taylor expansion of x in y
0.282 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
0.282 * [taylor]: Taking taylor expansion of 2.0 in x
0.282 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
0.282 * [taylor]: Taking taylor expansion of x in x
0.282 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.282 * [taylor]: Taking taylor expansion of y in x
0.282 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.282 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.282 * [taylor]: Taking taylor expansion of y in x
0.282 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.282 * [taylor]: Taking taylor expansion of x in x
0.284 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
0.284 * [taylor]: Taking taylor expansion of 2.0 in x
0.284 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
0.285 * [taylor]: Taking taylor expansion of x in x
0.285 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.285 * [taylor]: Taking taylor expansion of y in x
0.285 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.285 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.285 * [taylor]: Taking taylor expansion of y in x
0.285 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.285 * [taylor]: Taking taylor expansion of x in x
0.287 * [taylor]: Taking taylor expansion of (/ -2.0 y) in y
0.287 * [taylor]: Taking taylor expansion of -2.0 in y
0.287 * [taylor]: Taking taylor expansion of y in y
0.289 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
0.289 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.289 * [taylor]: Taking taylor expansion of 2.0 in y
0.289 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.289 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.289 * [taylor]: Taking taylor expansion of y in y
0.296 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 3)))) in y
0.296 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
0.296 * [taylor]: Taking taylor expansion of 2.0 in y
0.296 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.296 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.296 * [taylor]: Taking taylor expansion of y in y
0.304 * * * * [progress]: [ 2 / 2 ] generating series at (2 2)
0.304 * [approximate]: Taking taylor expansion of (/ y (- x y)) in (y x) around 0
0.304 * [taylor]: Taking taylor expansion of (/ y (- x y)) in x
0.304 * [taylor]: Taking taylor expansion of y in x
0.304 * [taylor]: Taking taylor expansion of (- x y) in x
0.304 * [taylor]: Taking taylor expansion of x in x
0.304 * [taylor]: Taking taylor expansion of y in x
0.304 * [taylor]: Taking taylor expansion of (/ y (- x y)) in y
0.304 * [taylor]: Taking taylor expansion of y in y
0.304 * [taylor]: Taking taylor expansion of (- x y) in y
0.304 * [taylor]: Taking taylor expansion of x in y
0.304 * [taylor]: Taking taylor expansion of y in y
0.304 * [taylor]: Taking taylor expansion of (/ y (- x y)) in y
0.304 * [taylor]: Taking taylor expansion of y in y
0.304 * [taylor]: Taking taylor expansion of (- x y) in y
0.304 * [taylor]: Taking taylor expansion of x in y
0.304 * [taylor]: Taking taylor expansion of y in y
0.305 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.305 * [taylor]: Taking taylor expansion of x in x
0.306 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.306 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.306 * [taylor]: Taking taylor expansion of x in x
0.309 * [taylor]: Taking taylor expansion of (/ 1 (pow x 3)) in x
0.309 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.309 * [taylor]: Taking taylor expansion of x in x
0.319 * [approximate]: Taking taylor expansion of (/ 1 (* (- (/ 1 x) (/ 1 y)) y)) in (y x) around 0
0.319 * [taylor]: Taking taylor expansion of (/ 1 (* (- (/ 1 x) (/ 1 y)) y)) in x
0.319 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) y) in x
0.319 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.319 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.319 * [taylor]: Taking taylor expansion of x in x
0.319 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.319 * [taylor]: Taking taylor expansion of y in x
0.319 * [taylor]: Taking taylor expansion of y in x
0.320 * [taylor]: Taking taylor expansion of (/ 1 (* (- (/ 1 x) (/ 1 y)) y)) in y
0.320 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) y) in y
0.320 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.320 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.320 * [taylor]: Taking taylor expansion of x in y
0.320 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.320 * [taylor]: Taking taylor expansion of y in y
0.320 * [taylor]: Taking taylor expansion of y in y
0.322 * [taylor]: Taking taylor expansion of (/ 1 (* (- (/ 1 x) (/ 1 y)) y)) in y
0.322 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) y) in y
0.322 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.322 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.322 * [taylor]: Taking taylor expansion of x in y
0.322 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.322 * [taylor]: Taking taylor expansion of y in y
0.323 * [taylor]: Taking taylor expansion of y in y
0.324 * [taylor]: Taking taylor expansion of -1 in x
0.326 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
0.326 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.326 * [taylor]: Taking taylor expansion of x in x
0.330 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2))) in x
0.330 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.330 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.330 * [taylor]: Taking taylor expansion of x in x
0.335 * [approximate]: Taking taylor expansion of (/ -1 (* y (- (/ 1 y) (/ 1 x)))) in (y x) around 0
0.335 * [taylor]: Taking taylor expansion of (/ -1 (* y (- (/ 1 y) (/ 1 x)))) in x
0.335 * [taylor]: Taking taylor expansion of -1 in x
0.335 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.335 * [taylor]: Taking taylor expansion of y in x
0.335 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.335 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.335 * [taylor]: Taking taylor expansion of y in x
0.335 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.335 * [taylor]: Taking taylor expansion of x in x
0.336 * [taylor]: Taking taylor expansion of (/ -1 (* y (- (/ 1 y) (/ 1 x)))) in y
0.336 * [taylor]: Taking taylor expansion of -1 in y
0.336 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in y
0.336 * [taylor]: Taking taylor expansion of y in y
0.336 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.336 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.336 * [taylor]: Taking taylor expansion of y in y
0.336 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.336 * [taylor]: Taking taylor expansion of x in y
0.338 * [taylor]: Taking taylor expansion of (/ -1 (* y (- (/ 1 y) (/ 1 x)))) in y
0.338 * [taylor]: Taking taylor expansion of -1 in y
0.338 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in y
0.338 * [taylor]: Taking taylor expansion of y in y
0.338 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.338 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.338 * [taylor]: Taking taylor expansion of y in y
0.338 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.338 * [taylor]: Taking taylor expansion of x in y
0.340 * [taylor]: Taking taylor expansion of -1 in x
0.342 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
0.342 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.342 * [taylor]: Taking taylor expansion of x in x
0.345 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2))) in x
0.346 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.346 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.346 * [taylor]: Taking taylor expansion of x in x
0.350 * * * [progress]: simplifying candidates
0.351 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (expm1 (* (* x 2.0) (/ y (- x y))))
  (log1p (* (* x 2.0) (/ y (- x y))))
  (* (* x 2.0) (/ y (- x y)))
  (* (* x 2.0) (/ y (- x y)))
  (+ (+ (log x) (log 2.0)) (- (log y) (log (- x y))))
  (+ (+ (log x) (log 2.0)) (log (/ y (- x y))))
  (+ (log (* x 2.0)) (- (log y) (log (- x y))))
  (+ (log (* x 2.0)) (log (/ y (- x y))))
  (log (* (* x 2.0) (/ y (- x y))))
  (exp (* (* x 2.0) (/ y (- x y))))
  (* (* (* (* x x) x) (* (* 2.0 2.0) 2.0)) (/ (* (* y y) y) (* (* (- x y) (- x y)) (- x y))))
  (* (* (* (* x x) x) (* (* 2.0 2.0) 2.0)) (* (* (/ y (- x y)) (/ y (- x y))) (/ y (- x y))))
  (* (* (* (* x 2.0) (* x 2.0)) (* x 2.0)) (/ (* (* y y) y) (* (* (- x y) (- x y)) (- x y))))
  (* (* (* (* x 2.0) (* x 2.0)) (* x 2.0)) (* (* (/ y (- x y)) (/ y (- x y))) (/ y (- x y))))
  (* (cbrt (* (* x 2.0) (/ y (- x y)))) (cbrt (* (* x 2.0) (/ y (- x y)))))
  (cbrt (* (* x 2.0) (/ y (- x y))))
  (* (* (* (* x 2.0) (/ y (- x y))) (* (* x 2.0) (/ y (- x y)))) (* (* x 2.0) (/ y (- x y))))
  (sqrt (* (* x 2.0) (/ y (- x y))))
  (sqrt (* (* x 2.0) (/ y (- x y))))
  (* (* x 2.0) (* (cbrt (/ y (- x y))) (cbrt (/ y (- x y)))))
  (* (* x 2.0) (sqrt (/ y (- x y))))
  (* (* x 2.0) (/ (* (cbrt y) (cbrt y)) (* (cbrt (- x y)) (cbrt (- x y)))))
  (* (* x 2.0) (/ (* (cbrt y) (cbrt y)) (sqrt (- x y))))
  (* (* x 2.0) (/ (* (cbrt y) (cbrt y)) 1))
  (* (* x 2.0) (/ (* (cbrt y) (cbrt y)) (+ (sqrt x) (sqrt y))))
  (* (* x 2.0) (/ (* (cbrt y) (cbrt y)) 1))
  (* (* x 2.0) (/ (sqrt y) (* (cbrt (- x y)) (cbrt (- x y)))))
  (* (* x 2.0) (/ (sqrt y) (sqrt (- x y))))
  (* (* x 2.0) (/ (sqrt y) 1))
  (* (* x 2.0) (/ (sqrt y) (+ (sqrt x) (sqrt y))))
  (* (* x 2.0) (/ (sqrt y) 1))
  (* (* x 2.0) (/ 1 (* (cbrt (- x y)) (cbrt (- x y)))))
  (* (* x 2.0) (/ 1 (sqrt (- x y))))
  (* (* x 2.0) (/ 1 1))
  (* (* x 2.0) (/ 1 (+ (sqrt x) (sqrt y))))
  (* (* x 2.0) (/ 1 1))
  (* (* x 2.0) 1)
  (* (* x 2.0) y)
  (* (* x 2.0) (/ y (- (pow x 3) (pow y 3))))
  (* (* x 2.0) (/ y (- (* x x) (* y y))))
  (* 2.0 (/ y (- x y)))
  (* (* x 2.0) y)
  (expm1 (/ y (- x y)))
  (log1p (/ y (- x y)))
  (- (log y) (log (- x y)))
  (log (/ y (- x y)))
  (exp (/ y (- x y)))
  (/ (* (* y y) y) (* (* (- x y) (- x y)) (- x 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)))
  (- y)
  (- (- x y))
  (/ (* (cbrt y) (cbrt y)) (* (cbrt (- x y)) (cbrt (- x y))))
  (/ (cbrt y) (cbrt (- x y)))
  (/ (* (cbrt y) (cbrt y)) (sqrt (- x y)))
  (/ (cbrt y) (sqrt (- x y)))
  (/ (* (cbrt y) (cbrt y)) 1)
  (/ (cbrt y) (- x y))
  (/ (* (cbrt y) (cbrt y)) (+ (sqrt x) (sqrt y)))
  (/ (cbrt y) (- (sqrt x) (sqrt y)))
  (/ (* (cbrt y) (cbrt y)) 1)
  (/ (cbrt y) (- x y))
  (/ (sqrt y) (* (cbrt (- x y)) (cbrt (- x y))))
  (/ (sqrt y) (cbrt (- x y)))
  (/ (sqrt y) (sqrt (- x y)))
  (/ (sqrt y) (sqrt (- x y)))
  (/ (sqrt y) 1)
  (/ (sqrt y) (- x y))
  (/ (sqrt y) (+ (sqrt x) (sqrt y)))
  (/ (sqrt y) (- (sqrt x) (sqrt y)))
  (/ (sqrt y) 1)
  (/ (sqrt y) (- x y))
  (/ 1 (* (cbrt (- x y)) (cbrt (- x y))))
  (/ y (cbrt (- x y)))
  (/ 1 (sqrt (- x y)))
  (/ y (sqrt (- x y)))
  (/ 1 1)
  (/ y (- x y))
  (/ 1 (+ (sqrt x) (sqrt y)))
  (/ y (- (sqrt x) (sqrt y)))
  (/ 1 1)
  (/ y (- x y))
  (/ 1 (- x y))
  (/ (- x y) y)
  (/ y (* (cbrt (- x y)) (cbrt (- x y))))
  (/ y (sqrt (- x y)))
  (/ y 1)
  (/ y (+ (sqrt x) (sqrt y)))
  (/ y 1)
  (/ (- x y) (cbrt y))
  (/ (- x y) (sqrt y))
  (/ (- x y) y)
  (/ y (- (pow x 3) (pow y 3)))
  (/ y (- (* x x) (* y y)))
  0
  0
  0
  0
  0
  0
0.356 * * [simplify]: iteration  0 :  315  enodes  (cost  451 )
0.363 * * [simplify]: iteration  1 :  1665  enodes  (cost  401 )
0.392 * * [simplify]: iteration  2 :  5001  enodes  (cost  401 )
0.394 * [simplify]: Simplified to:
   (expm1 (* (* x 2.0) (/ y (- x y))))
  (log1p (* (* x 2.0) (/ y (- x y))))
  (* (* x 2.0) (/ y (- x y)))
  (* (* x 2.0) (/ y (- x y)))
  (log (* (* x 2.0) (/ y (- x y))))
  (log (* (* x 2.0) (/ y (- x y))))
  (log (* (* x 2.0) (/ y (- x y))))
  (log (* (* x 2.0) (/ y (- x y))))
  (log (* (* x 2.0) (/ y (- x y))))
  (exp (* (* x 2.0) (/ y (- x y))))
  (pow (* (* x 2.0) (/ y (- x y))) 3)
  (pow (* (* x 2.0) (/ y (- x y))) 3)
  (pow (* (* x 2.0) (/ y (- x y))) 3)
  (pow (* (* x 2.0) (/ y (- x y))) 3)
  (* (cbrt (* (* x 2.0) (/ y (- x y)))) (cbrt (* (* x 2.0) (/ y (- x y)))))
  (cbrt (* (* x 2.0) (/ y (- x y))))
  (pow (* (* x 2.0) (/ y (- x y))) 3)
  (sqrt (* (* x 2.0) (/ y (- x y))))
  (sqrt (* (* x 2.0) (/ y (- x y))))
  (* (* x 2.0) (* (cbrt (/ y (- x y))) (cbrt (/ y (- x y)))))
  (* (* x 2.0) (sqrt (/ y (- x y))))
  (* (* x 2.0) (/ (* (cbrt y) (cbrt y)) (* (cbrt (- x y)) (cbrt (- x y)))))
  (* (* x 2.0) (/ (* (cbrt y) (cbrt y)) (sqrt (- x y))))
  (* x (* 2.0 (* (cbrt y) (cbrt y))))
  (* (* x 2.0) (/ (* (cbrt y) (cbrt y)) (+ (sqrt x) (sqrt y))))
  (* x (* 2.0 (* (cbrt y) (cbrt y))))
  (* (* x 2.0) (/ (sqrt y) (* (cbrt (- x y)) (cbrt (- x y)))))
  (* (* x 2.0) (/ (sqrt y) (sqrt (- x y))))
  (* x (* 2.0 (sqrt y)))
  (* (* x 2.0) (/ (sqrt y) (+ (sqrt x) (sqrt y))))
  (* x (* 2.0 (sqrt y)))
  (/ (* x 2.0) (* (cbrt (- x y)) (cbrt (- x y))))
  (/ (* x 2.0) (sqrt (- x y)))
  (* x 2.0)
  (/ (* x 2.0) (+ (sqrt x) (sqrt y)))
  (* x 2.0)
  (* x 2.0)
  (* (* x 2.0) y)
  (* (* x 2.0) (/ y (- (pow x 3) (pow y 3))))
  (* (* x 2.0) (/ y (- (* x x) (* y y))))
  (* 2.0 (/ y (- x y)))
  (* (* x 2.0) y)
  (expm1 (/ y (- x y)))
  (log1p (/ y (- x y)))
  (log (/ y (- x y)))
  (log (/ y (- x y)))
  (exp (/ y (- x y)))
  (pow (/ y (- x y)) 3)
  (* (cbrt (/ y (- x y))) (cbrt (/ y (- x y))))
  (cbrt (/ y (- x y)))
  (pow (/ y (- x y)) 3)
  (sqrt (/ y (- x y)))
  (sqrt (/ y (- x y)))
  (- y)
  (- (- x y))
  (/ (* (cbrt y) (cbrt y)) (* (cbrt (- x y)) (cbrt (- x y))))
  (/ (cbrt y) (cbrt (- x y)))
  (/ (* (cbrt y) (cbrt y)) (sqrt (- x y)))
  (/ (cbrt y) (sqrt (- x y)))
  (* (cbrt y) (cbrt y))
  (/ (cbrt y) (- x y))
  (/ (* (cbrt y) (cbrt y)) (+ (sqrt x) (sqrt y)))
  (/ (cbrt y) (- (sqrt x) (sqrt y)))
  (* (cbrt y) (cbrt y))
  (/ (cbrt y) (- x y))
  (/ (sqrt y) (* (cbrt (- x y)) (cbrt (- x y))))
  (/ (sqrt y) (cbrt (- x y)))
  (/ (sqrt y) (sqrt (- x y)))
  (/ (sqrt y) (sqrt (- x y)))
  (sqrt y)
  (/ (sqrt y) (- x y))
  (/ (sqrt y) (+ (sqrt x) (sqrt y)))
  (/ (sqrt y) (- (sqrt x) (sqrt y)))
  (sqrt y)
  (/ (sqrt y) (- x y))
  (/ 1 (* (cbrt (- x y)) (cbrt (- x y))))
  (/ y (cbrt (- x y)))
  (/ 1 (sqrt (- x y)))
  (/ y (sqrt (- x y)))
  1
  (/ y (- x y))
  (/ 1 (+ (sqrt x) (sqrt y)))
  (/ y (- (sqrt x) (sqrt y)))
  1
  (/ y (- x y))
  (/ 1 (- x y))
  (/ (- x y) y)
  (/ y (* (cbrt (- x y)) (cbrt (- x y))))
  (/ y (sqrt (- x y)))
  y
  (/ y (+ (sqrt x) (sqrt y)))
  y
  (/ (- x y) (cbrt y))
  (/ (- x y) (sqrt y))
  (/ (- x y) y)
  (/ y (- (pow x 3) (pow y 3)))
  (/ y (- (* x x) (* y y)))
  0
  0
  0
  0
  0
  0
0.394 * * * [progress]: adding candidates to table
0.528 * * [progress]: iteration 3 / 4
0.528 * * * [progress]: picking best candidate
0.536 * * * * [pick]: Picked  #<alt (λ (x y) (/ (* x 2.0) (/ (- x y) y)))>
0.536 * * * [progress]: localizing error
0.541 * * * [progress]: generating rewritten candidates
0.541 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.551 * * * * [progress]: [ 2 / 2 ] rewriting at (2 2)
0.564 * * * [progress]: generating series expansions
0.564 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.564 * [approximate]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in (x y) around 0
0.564 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in y
0.564 * [taylor]: Taking taylor expansion of 2.0 in y
0.564 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in y
0.564 * [taylor]: Taking taylor expansion of (* x y) in y
0.564 * [taylor]: Taking taylor expansion of x in y
0.564 * [taylor]: Taking taylor expansion of y in y
0.564 * [taylor]: Taking taylor expansion of (- x y) in y
0.564 * [taylor]: Taking taylor expansion of x in y
0.564 * [taylor]: Taking taylor expansion of y in y
0.565 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
0.565 * [taylor]: Taking taylor expansion of 2.0 in x
0.565 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
0.565 * [taylor]: Taking taylor expansion of (* x y) in x
0.565 * [taylor]: Taking taylor expansion of x in x
0.565 * [taylor]: Taking taylor expansion of y in x
0.565 * [taylor]: Taking taylor expansion of (- x y) in x
0.565 * [taylor]: Taking taylor expansion of x in x
0.565 * [taylor]: Taking taylor expansion of y in x
0.565 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
0.565 * [taylor]: Taking taylor expansion of 2.0 in x
0.565 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
0.565 * [taylor]: Taking taylor expansion of (* x y) in x
0.565 * [taylor]: Taking taylor expansion of x in x
0.565 * [taylor]: Taking taylor expansion of y in x
0.565 * [taylor]: Taking taylor expansion of (- x y) in x
0.565 * [taylor]: Taking taylor expansion of x in x
0.565 * [taylor]: Taking taylor expansion of y in x
0.566 * [taylor]: Taking taylor expansion of -2.0 in y
0.568 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 y))) in y
0.568 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.568 * [taylor]: Taking taylor expansion of 2.0 in y
0.568 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.568 * [taylor]: Taking taylor expansion of y in y
0.571 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
0.571 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.571 * [taylor]: Taking taylor expansion of 2.0 in y
0.571 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.571 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.571 * [taylor]: Taking taylor expansion of y in y
0.577 * [approximate]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in (x y) around 0
0.577 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in y
0.577 * [taylor]: Taking taylor expansion of 2.0 in y
0.577 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in y
0.577 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.577 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.577 * [taylor]: Taking taylor expansion of x in y
0.577 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.577 * [taylor]: Taking taylor expansion of y in y
0.577 * [taylor]: Taking taylor expansion of (* x y) in y
0.577 * [taylor]: Taking taylor expansion of x in y
0.577 * [taylor]: Taking taylor expansion of y in y
0.579 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
0.579 * [taylor]: Taking taylor expansion of 2.0 in x
0.579 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
0.579 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.579 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.579 * [taylor]: Taking taylor expansion of x in x
0.579 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.580 * [taylor]: Taking taylor expansion of y in x
0.580 * [taylor]: Taking taylor expansion of (* x y) in x
0.580 * [taylor]: Taking taylor expansion of x in x
0.580 * [taylor]: Taking taylor expansion of y in x
0.581 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
0.581 * [taylor]: Taking taylor expansion of 2.0 in x
0.581 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
0.581 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.581 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.581 * [taylor]: Taking taylor expansion of x in x
0.581 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.581 * [taylor]: Taking taylor expansion of y in x
0.581 * [taylor]: Taking taylor expansion of (* x y) in x
0.581 * [taylor]: Taking taylor expansion of x in x
0.581 * [taylor]: Taking taylor expansion of y in x
0.583 * [taylor]: Taking taylor expansion of (/ 2.0 y) in y
0.583 * [taylor]: Taking taylor expansion of 2.0 in y
0.583 * [taylor]: Taking taylor expansion of y in y
0.586 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.586 * [taylor]: Taking taylor expansion of 2.0 in y
0.586 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.586 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.586 * [taylor]: Taking taylor expansion of y in y
0.592 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
0.592 * [taylor]: Taking taylor expansion of 2.0 in y
0.592 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.592 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.592 * [taylor]: Taking taylor expansion of y in y
0.605 * [approximate]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in (x y) around 0
0.605 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in y
0.605 * [taylor]: Taking taylor expansion of 2.0 in y
0.605 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in y
0.605 * [taylor]: Taking taylor expansion of x in y
0.605 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in y
0.605 * [taylor]: Taking taylor expansion of y in y
0.605 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.605 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.605 * [taylor]: Taking taylor expansion of y in y
0.605 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.605 * [taylor]: Taking taylor expansion of x in y
0.607 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
0.607 * [taylor]: Taking taylor expansion of 2.0 in x
0.607 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
0.607 * [taylor]: Taking taylor expansion of x in x
0.607 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.607 * [taylor]: Taking taylor expansion of y in x
0.607 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.607 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.607 * [taylor]: Taking taylor expansion of y in x
0.607 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.607 * [taylor]: Taking taylor expansion of x in x
0.609 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
0.609 * [taylor]: Taking taylor expansion of 2.0 in x
0.609 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
0.609 * [taylor]: Taking taylor expansion of x in x
0.609 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.609 * [taylor]: Taking taylor expansion of y in x
0.609 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.609 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.609 * [taylor]: Taking taylor expansion of y in x
0.609 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.609 * [taylor]: Taking taylor expansion of x in x
0.611 * [taylor]: Taking taylor expansion of (/ -2.0 y) in y
0.611 * [taylor]: Taking taylor expansion of -2.0 in y
0.611 * [taylor]: Taking taylor expansion of y in y
0.614 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
0.614 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.614 * [taylor]: Taking taylor expansion of 2.0 in y
0.614 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.614 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.614 * [taylor]: Taking taylor expansion of y in y
0.620 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 3)))) in y
0.620 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
0.620 * [taylor]: Taking taylor expansion of 2.0 in y
0.620 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.620 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.620 * [taylor]: Taking taylor expansion of y in y
0.628 * * * * [progress]: [ 2 / 2 ] generating series at (2 2)
0.629 * [approximate]: Taking taylor expansion of (/ (- x y) y) in (x y) around 0
0.629 * [taylor]: Taking taylor expansion of (/ (- x y) y) in y
0.629 * [taylor]: Taking taylor expansion of (- x y) in y
0.629 * [taylor]: Taking taylor expansion of x in y
0.629 * [taylor]: Taking taylor expansion of y in y
0.629 * [taylor]: Taking taylor expansion of y in y
0.629 * [taylor]: Taking taylor expansion of (/ (- x y) y) in x
0.629 * [taylor]: Taking taylor expansion of (- x y) in x
0.629 * [taylor]: Taking taylor expansion of x in x
0.629 * [taylor]: Taking taylor expansion of y in x
0.629 * [taylor]: Taking taylor expansion of y in x
0.629 * [taylor]: Taking taylor expansion of (/ (- x y) y) in x
0.629 * [taylor]: Taking taylor expansion of (- x y) in x
0.629 * [taylor]: Taking taylor expansion of x in x
0.629 * [taylor]: Taking taylor expansion of y in x
0.629 * [taylor]: Taking taylor expansion of y in x
0.629 * [taylor]: Taking taylor expansion of -1 in y
0.630 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.630 * [taylor]: Taking taylor expansion of y in y
0.631 * [taylor]: Taking taylor expansion of 0 in y
0.632 * [taylor]: Taking taylor expansion of 0 in y
0.633 * [taylor]: Taking taylor expansion of 0 in y
0.633 * [approximate]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) y) in (x y) around 0
0.633 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) y) in y
0.633 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.633 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.633 * [taylor]: Taking taylor expansion of x in y
0.633 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.633 * [taylor]: Taking taylor expansion of y in y
0.634 * [taylor]: Taking taylor expansion of y in y
0.634 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) y) in x
0.634 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.634 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.634 * [taylor]: Taking taylor expansion of x in x
0.634 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.634 * [taylor]: Taking taylor expansion of y in x
0.634 * [taylor]: Taking taylor expansion of y in x
0.634 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) y) in x
0.634 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.634 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.634 * [taylor]: Taking taylor expansion of x in x
0.634 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.634 * [taylor]: Taking taylor expansion of y in x
0.634 * [taylor]: Taking taylor expansion of y in x
0.635 * [taylor]: Taking taylor expansion of y in y
0.635 * [taylor]: Taking taylor expansion of (- 1) in y
0.636 * [taylor]: Taking taylor expansion of 1 in y
0.637 * [taylor]: Taking taylor expansion of 0 in y
0.639 * [taylor]: Taking taylor expansion of 0 in y
0.641 * [taylor]: Taking taylor expansion of 0 in y
0.641 * [approximate]: Taking taylor expansion of (* -1 (* y (- (/ 1 y) (/ 1 x)))) in (x y) around 0
0.641 * [taylor]: Taking taylor expansion of (* -1 (* y (- (/ 1 y) (/ 1 x)))) in y
0.641 * [taylor]: Taking taylor expansion of -1 in y
0.641 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in y
0.641 * [taylor]: Taking taylor expansion of y in y
0.641 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.641 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.641 * [taylor]: Taking taylor expansion of y in y
0.642 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.642 * [taylor]: Taking taylor expansion of x in y
0.642 * [taylor]: Taking taylor expansion of (* -1 (* y (- (/ 1 y) (/ 1 x)))) in x
0.642 * [taylor]: Taking taylor expansion of -1 in x
0.642 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.642 * [taylor]: Taking taylor expansion of y in x
0.642 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.642 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.642 * [taylor]: Taking taylor expansion of y in x
0.642 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.642 * [taylor]: Taking taylor expansion of x in x
0.642 * [taylor]: Taking taylor expansion of (* -1 (* y (- (/ 1 y) (/ 1 x)))) in x
0.642 * [taylor]: Taking taylor expansion of -1 in x
0.642 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.642 * [taylor]: Taking taylor expansion of y in x
0.642 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.642 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.642 * [taylor]: Taking taylor expansion of y in x
0.642 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.642 * [taylor]: Taking taylor expansion of x in x
0.643 * [taylor]: Taking taylor expansion of y in y
0.645 * [taylor]: Taking taylor expansion of (- 1) in y
0.645 * [taylor]: Taking taylor expansion of 1 in y
0.647 * [taylor]: Taking taylor expansion of 0 in y
0.649 * [taylor]: Taking taylor expansion of 0 in y
0.653 * [taylor]: Taking taylor expansion of 0 in y
0.653 * * * [progress]: simplifying candidates
0.654 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (expm1 (/ (* x 2.0) (/ (- x y) y)))
  (log1p (/ (* x 2.0) (/ (- x y) y)))
  (- (+ (log x) (log 2.0)) (- (log (- x y)) (log y)))
  (- (+ (log x) (log 2.0)) (log (/ (- x y) y)))
  (- (log (* x 2.0)) (- (log (- x y)) (log y)))
  (- (log (* x 2.0)) (log (/ (- x y) y)))
  (log (/ (* x 2.0) (/ (- x y) y)))
  (exp (/ (* x 2.0) (/ (- x y) y)))
  (/ (* (* (* x x) x) (* (* 2.0 2.0) 2.0)) (/ (* (* (- x y) (- x y)) (- x y)) (* (* y y) y)))
  (/ (* (* (* x x) x) (* (* 2.0 2.0) 2.0)) (* (* (/ (- x y) y) (/ (- x y) y)) (/ (- x y) y)))
  (/ (* (* (* x 2.0) (* x 2.0)) (* x 2.0)) (/ (* (* (- x y) (- x y)) (- x y)) (* (* y y) y)))
  (/ (* (* (* x 2.0) (* x 2.0)) (* x 2.0)) (* (* (/ (- x y) y) (/ (- x y) y)) (/ (- x y) y)))
  (* (cbrt (/ (* x 2.0) (/ (- x y) y))) (cbrt (/ (* x 2.0) (/ (- x y) y))))
  (cbrt (/ (* x 2.0) (/ (- x y) y)))
  (* (* (/ (* x 2.0) (/ (- x y) y)) (/ (* x 2.0) (/ (- x y) y))) (/ (* x 2.0) (/ (- x y) y)))
  (sqrt (/ (* x 2.0) (/ (- x y) y)))
  (sqrt (/ (* x 2.0) (/ (- x y) y)))
  (- (* x 2.0))
  (- (/ (- x y) y))
  (/ x (* (cbrt (/ (- x y) y)) (cbrt (/ (- x y) y))))
  (/ 2.0 (cbrt (/ (- x y) y)))
  (/ x (sqrt (/ (- x y) y)))
  (/ 2.0 (sqrt (/ (- x y) y)))
  (/ x (/ (* (cbrt (- x y)) (cbrt (- x y))) (* (cbrt y) (cbrt y))))
  (/ 2.0 (/ (cbrt (- x y)) (cbrt y)))
  (/ x (/ (* (cbrt (- x y)) (cbrt (- x y))) (sqrt y)))
  (/ 2.0 (/ (cbrt (- x y)) (sqrt y)))
  (/ x (/ (* (cbrt (- x y)) (cbrt (- x y))) 1))
  (/ 2.0 (/ (cbrt (- x y)) y))
  (/ x (/ (sqrt (- x y)) (* (cbrt y) (cbrt y))))
  (/ 2.0 (/ (sqrt (- x y)) (cbrt y)))
  (/ x (/ (sqrt (- x y)) (sqrt y)))
  (/ 2.0 (/ (sqrt (- x y)) (sqrt y)))
  (/ x (/ (sqrt (- x y)) 1))
  (/ 2.0 (/ (sqrt (- x y)) y))
  (/ x (/ 1 (* (cbrt y) (cbrt y))))
  (/ 2.0 (/ (- x y) (cbrt y)))
  (/ x (/ 1 (sqrt y)))
  (/ 2.0 (/ (- x y) (sqrt y)))
  (/ x (/ 1 1))
  (/ 2.0 (/ (- x y) y))
  (/ x (/ (+ (sqrt x) (sqrt y)) (* (cbrt y) (cbrt y))))
  (/ 2.0 (/ (- (sqrt x) (sqrt y)) (cbrt y)))
  (/ x (/ (+ (sqrt x) (sqrt y)) (sqrt y)))
  (/ 2.0 (/ (- (sqrt x) (sqrt y)) (sqrt y)))
  (/ x (/ (+ (sqrt x) (sqrt y)) 1))
  (/ 2.0 (/ (- (sqrt x) (sqrt y)) y))
  (/ x (/ 1 (* (cbrt y) (cbrt y))))
  (/ 2.0 (/ (- x y) (cbrt y)))
  (/ x (/ 1 (sqrt y)))
  (/ 2.0 (/ (- x y) (sqrt y)))
  (/ x (/ 1 1))
  (/ 2.0 (/ (- x y) y))
  (/ x 1)
  (/ 2.0 (/ (- x y) y))
  (/ x (- x y))
  (/ 2.0 (/ 1 y))
  (/ 1 (/ (- x y) y))
  (/ (/ (- x y) y) (* x 2.0))
  (/ (* x 2.0) (* (cbrt (/ (- x y) y)) (cbrt (/ (- x y) y))))
  (/ (* x 2.0) (sqrt (/ (- x y) y)))
  (/ (* x 2.0) (/ (* (cbrt (- x y)) (cbrt (- x y))) (* (cbrt y) (cbrt y))))
  (/ (* x 2.0) (/ (* (cbrt (- x y)) (cbrt (- x y))) (sqrt y)))
  (/ (* x 2.0) (/ (* (cbrt (- x y)) (cbrt (- x y))) 1))
  (/ (* x 2.0) (/ (sqrt (- x y)) (* (cbrt y) (cbrt y))))
  (/ (* x 2.0) (/ (sqrt (- x y)) (sqrt y)))
  (/ (* x 2.0) (/ (sqrt (- x y)) 1))
  (/ (* x 2.0) (/ 1 (* (cbrt y) (cbrt y))))
  (/ (* x 2.0) (/ 1 (sqrt y)))
  (/ (* x 2.0) (/ 1 1))
  (/ (* x 2.0) (/ (+ (sqrt x) (sqrt y)) (* (cbrt y) (cbrt y))))
  (/ (* x 2.0) (/ (+ (sqrt x) (sqrt y)) (sqrt y)))
  (/ (* x 2.0) (/ (+ (sqrt x) (sqrt y)) 1))
  (/ (* x 2.0) (/ 1 (* (cbrt y) (cbrt y))))
  (/ (* x 2.0) (/ 1 (sqrt y)))
  (/ (* x 2.0) (/ 1 1))
  (/ (* x 2.0) 1)
  (/ (* x 2.0) (- x y))
  (/ (/ (- x y) y) 2.0)
  (/ (* x 2.0) (- x y))
  (expm1 (/ (- x y) y))
  (log1p (/ (- x y) y))
  (- (log (- x y)) (log y))
  (log (/ (- x y) y))
  (exp (/ (- x 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)
  (/ x y)
  (/ 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)
  (/ 1 (* (cbrt y) (cbrt y)))
  (/ (- x y) (cbrt y))
  (/ 1 (sqrt y))
  (/ (- x y) (sqrt y))
  (/ 1 1)
  (/ (- x 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)
  (/ 1 (* (cbrt y) (cbrt y)))
  (/ (- x y) (cbrt y))
  (/ 1 (sqrt y))
  (/ (- x y) (sqrt y))
  (/ 1 1)
  (/ (- x 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 (- x y))
  (/ y (- (sqrt x) (sqrt y)))
  (/ y (- x y))
  (* y (+ (* x x) (+ (* y y) (* x y))))
  (* y (+ x y))
  0
  0
  0
  (- (/ x y) 1)
  (- (/ x y) 1)
  (- (/ x y) 1)
0.660 * * [simplify]: iteration  0 :  392  enodes  (cost  620 )
0.668 * * [simplify]: iteration  1 :  1920  enodes  (cost  563 )
0.702 * * [simplify]: iteration  2 :  5001  enodes  (cost  562 )
0.705 * [simplify]: Simplified to:
   (expm1 (/ (* x 2.0) (/ (- x y) y)))
  (log1p (/ (* x 2.0) (/ (- x y) y)))
  (log (/ (* x 2.0) (/ (- x y) y)))
  (log (/ (* x 2.0) (/ (- x y) y)))
  (log (/ (* x 2.0) (/ (- x y) y)))
  (log (/ (* x 2.0) (/ (- x y) y)))
  (log (/ (* x 2.0) (/ (- x y) y)))
  (exp (/ (* x 2.0) (/ (- x y) y)))
  (pow (/ (* x 2.0) (/ (- x y) y)) 3)
  (pow (/ (* x 2.0) (/ (- x y) y)) 3)
  (pow (/ (* x 2.0) (/ (- x y) y)) 3)
  (pow (/ (* x 2.0) (/ (- x y) y)) 3)
  (* (cbrt (/ (* x 2.0) (/ (- x y) y))) (cbrt (/ (* x 2.0) (/ (- x y) y))))
  (cbrt (/ (* x 2.0) (/ (- x y) y)))
  (pow (/ (* x 2.0) (/ (- x y) y)) 3)
  (sqrt (/ (* x 2.0) (/ (- x y) y)))
  (sqrt (/ (* x 2.0) (/ (- x y) y)))
  (- (* x 2.0))
  (- (/ (- x y) y))
  (/ x (* (cbrt (/ (- x y) y)) (cbrt (/ (- x y) y))))
  (/ 2.0 (cbrt (/ (- x y) y)))
  (/ x (sqrt (/ (- x y) y)))
  (/ 2.0 (sqrt (/ (- x y) y)))
  (/ x (/ (* (cbrt (- x y)) (cbrt (- x y))) (* (cbrt y) (cbrt y))))
  (/ 2.0 (/ (cbrt (- x y)) (cbrt y)))
  (/ x (/ (* (cbrt (- x y)) (cbrt (- x y))) (sqrt y)))
  (/ 2.0 (/ (cbrt (- x y)) (sqrt y)))
  (/ x (* (cbrt (- x y)) (cbrt (- x y))))
  (/ 2.0 (/ (cbrt (- x y)) y))
  (/ x (/ (sqrt (- x y)) (* (cbrt y) (cbrt y))))
  (/ 2.0 (/ (sqrt (- x y)) (cbrt y)))
  (/ x (/ (sqrt (- x y)) (sqrt y)))
  (/ 2.0 (/ (sqrt (- x y)) (sqrt y)))
  (/ x (sqrt (- x y)))
  (/ 2.0 (/ (sqrt (- x y)) y))
  (* x (* (cbrt y) (cbrt y)))
  (/ 2.0 (/ (- x y) (cbrt y)))
  (* x (sqrt y))
  (/ 2.0 (/ (- x y) (sqrt y)))
  x
  (/ 2.0 (/ (- x y) y))
  (/ x (/ (+ (sqrt x) (sqrt y)) (* (cbrt y) (cbrt y))))
  (/ 2.0 (/ (- (sqrt x) (sqrt y)) (cbrt y)))
  (/ x (/ (+ (sqrt x) (sqrt y)) (sqrt y)))
  (/ 2.0 (/ (- (sqrt x) (sqrt y)) (sqrt y)))
  (/ x (+ (sqrt x) (sqrt y)))
  (/ 2.0 (/ (- (sqrt x) (sqrt y)) y))
  (* x (* (cbrt y) (cbrt y)))
  (/ 2.0 (/ (- x y) (cbrt y)))
  (* x (sqrt y))
  (/ 2.0 (/ (- x y) (sqrt y)))
  x
  (/ 2.0 (/ (- x y) y))
  x
  (/ 2.0 (/ (- x y) y))
  (/ x (- x y))
  (* y 2.0)
  (/ y (- x y))
  (/ (/ (- x y) y) (* x 2.0))
  (/ (* x 2.0) (* (cbrt (/ (- x y) y)) (cbrt (/ (- x y) y))))
  (/ (* x 2.0) (sqrt (/ (- x y) y)))
  (/ (* x 2.0) (/ (* (cbrt (- x y)) (cbrt (- x y))) (* (cbrt y) (cbrt y))))
  (/ (* x 2.0) (/ (* (cbrt (- x y)) (cbrt (- x y))) (sqrt y)))
  (/ x (/ (* (cbrt (- x y)) (cbrt (- x y))) 2.0))
  (/ (* x 2.0) (/ (sqrt (- x y)) (* (cbrt y) (cbrt y))))
  (/ (* x 2.0) (/ (sqrt (- x y)) (sqrt y)))
  (/ x (/ (sqrt (- x y)) 2.0))
  (* (* x 2.0) (* (cbrt y) (cbrt y)))
  (* (* x 2.0) (sqrt y))
  (* x 2.0)
  (/ (* x 2.0) (/ (+ (sqrt x) (sqrt y)) (* (cbrt y) (cbrt y))))
  (/ (* x 2.0) (/ (+ (sqrt x) (sqrt y)) (sqrt y)))
  (/ x (/ (+ (sqrt x) (sqrt y)) 2.0))
  (* (* x 2.0) (* (cbrt y) (cbrt y)))
  (* (* x 2.0) (sqrt y))
  (* x 2.0)
  (* x 2.0)
  (/ (* x 2.0) (- x y))
  (/ (/ (- x y) y) 2.0)
  (/ (* x 2.0) (- x y))
  (expm1 (/ (- x y) y))
  (log1p (/ (- x y) y))
  (log (/ (- x y) y))
  (log (/ (- x y) y))
  (exp (/ (- x y) y))
  (pow (- (/ x y) 1) 3)
  (* (cbrt (/ (- x y) y)) (cbrt (/ (- x y) y)))
  (cbrt (/ (- x y) y))
  (pow (- (/ x y) 1) 3)
  (sqrt (/ (- x y) y))
  (sqrt (/ (- x y) y))
  (- (- x y))
  (- y)
  (/ x y)
  1
  (/ (* (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)
  (/ 1 (* (cbrt y) (cbrt y)))
  (/ (- x y) (cbrt y))
  (/ 1 (sqrt y))
  (/ (- x y) (sqrt y))
  1
  (- (/ x y) 1)
  (/ (+ (sqrt x) (sqrt y)) (* (cbrt y) (cbrt y)))
  (/ (- (sqrt x) (sqrt y)) (cbrt y))
  (/ (+ (sqrt x) (sqrt y)) (sqrt y))
  (- (/ (sqrt x) (sqrt y)) 1)
  (+ (sqrt x) (sqrt y))
  (/ (- (sqrt x) (sqrt y)) y)
  (/ 1 (* (cbrt y) (cbrt y)))
  (/ (- x y) (cbrt y))
  (/ 1 (sqrt y))
  (/ (- x y) (sqrt y))
  1
  (- (/ x y) 1)
  (/ 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 (- x y))
  (/ y (- (sqrt x) (sqrt y)))
  (/ y (- x y))
  (* (fma x x (fma y y (* x y))) y)
  (fma y y (* x y))
  0
  0
  0
  (- (/ x y) 1)
  (- (/ x y) 1)
  (- (/ x y) 1)
0.706 * * * [progress]: adding candidates to table
0.890 * * [progress]: iteration 4 / 4
0.890 * * * [progress]: picking best candidate
0.893 * * * * [pick]: Picked  #<alt (λ (x y) (* (/ (* x 2.0) (- x y)) y))>
0.893 * * * [progress]: localizing error
0.899 * * * [progress]: generating rewritten candidates
0.899 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.916 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.925 * * * [progress]: generating series expansions
0.925 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.925 * [approximate]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in (x y) around 0
0.925 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in y
0.925 * [taylor]: Taking taylor expansion of 2.0 in y
0.925 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in y
0.925 * [taylor]: Taking taylor expansion of (* x y) in y
0.925 * [taylor]: Taking taylor expansion of x in y
0.925 * [taylor]: Taking taylor expansion of y in y
0.925 * [taylor]: Taking taylor expansion of (- x y) in y
0.925 * [taylor]: Taking taylor expansion of x in y
0.925 * [taylor]: Taking taylor expansion of y in y
0.926 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
0.926 * [taylor]: Taking taylor expansion of 2.0 in x
0.926 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
0.926 * [taylor]: Taking taylor expansion of (* x y) in x
0.926 * [taylor]: Taking taylor expansion of x in x
0.926 * [taylor]: Taking taylor expansion of y in x
0.926 * [taylor]: Taking taylor expansion of (- x y) in x
0.926 * [taylor]: Taking taylor expansion of x in x
0.926 * [taylor]: Taking taylor expansion of y in x
0.927 * [taylor]: Taking taylor expansion of (* 2.0 (/ (* x y) (- x y))) in x
0.927 * [taylor]: Taking taylor expansion of 2.0 in x
0.927 * [taylor]: Taking taylor expansion of (/ (* x y) (- x y)) in x
0.927 * [taylor]: Taking taylor expansion of (* x y) in x
0.927 * [taylor]: Taking taylor expansion of x in x
0.927 * [taylor]: Taking taylor expansion of y in x
0.927 * [taylor]: Taking taylor expansion of (- x y) in x
0.927 * [taylor]: Taking taylor expansion of x in x
0.927 * [taylor]: Taking taylor expansion of y in x
0.927 * [taylor]: Taking taylor expansion of -2.0 in y
0.929 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 y))) in y
0.929 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.929 * [taylor]: Taking taylor expansion of 2.0 in y
0.929 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.929 * [taylor]: Taking taylor expansion of y in y
0.933 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
0.933 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.933 * [taylor]: Taking taylor expansion of 2.0 in y
0.933 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.933 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.933 * [taylor]: Taking taylor expansion of y in y
0.939 * [approximate]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in (x y) around 0
0.939 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in y
0.939 * [taylor]: Taking taylor expansion of 2.0 in y
0.939 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in y
0.939 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.939 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.939 * [taylor]: Taking taylor expansion of x in y
0.939 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.939 * [taylor]: Taking taylor expansion of y in y
0.939 * [taylor]: Taking taylor expansion of (* x y) in y
0.939 * [taylor]: Taking taylor expansion of x in y
0.939 * [taylor]: Taking taylor expansion of y in y
0.941 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
0.941 * [taylor]: Taking taylor expansion of 2.0 in x
0.941 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
0.941 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.941 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.941 * [taylor]: Taking taylor expansion of x in x
0.941 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.941 * [taylor]: Taking taylor expansion of y in x
0.941 * [taylor]: Taking taylor expansion of (* x y) in x
0.942 * [taylor]: Taking taylor expansion of x in x
0.942 * [taylor]: Taking taylor expansion of y in x
0.943 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
0.943 * [taylor]: Taking taylor expansion of 2.0 in x
0.943 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
0.943 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.943 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.943 * [taylor]: Taking taylor expansion of x in x
0.943 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.943 * [taylor]: Taking taylor expansion of y in x
0.943 * [taylor]: Taking taylor expansion of (* x y) in x
0.943 * [taylor]: Taking taylor expansion of x in x
0.943 * [taylor]: Taking taylor expansion of y in x
0.945 * [taylor]: Taking taylor expansion of (/ 2.0 y) in y
0.945 * [taylor]: Taking taylor expansion of 2.0 in y
0.945 * [taylor]: Taking taylor expansion of y in y
0.948 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.948 * [taylor]: Taking taylor expansion of 2.0 in y
0.948 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.948 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.948 * [taylor]: Taking taylor expansion of y in y
0.955 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
0.955 * [taylor]: Taking taylor expansion of 2.0 in y
0.955 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.955 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.955 * [taylor]: Taking taylor expansion of y in y
0.967 * [approximate]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in (x y) around 0
0.967 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in y
0.967 * [taylor]: Taking taylor expansion of 2.0 in y
0.967 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in y
0.967 * [taylor]: Taking taylor expansion of x in y
0.967 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in y
0.967 * [taylor]: Taking taylor expansion of y in y
0.967 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.967 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.967 * [taylor]: Taking taylor expansion of y in y
0.968 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.968 * [taylor]: Taking taylor expansion of x in y
0.969 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
0.969 * [taylor]: Taking taylor expansion of 2.0 in x
0.970 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
0.970 * [taylor]: Taking taylor expansion of x in x
0.970 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.970 * [taylor]: Taking taylor expansion of y in x
0.970 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.970 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.970 * [taylor]: Taking taylor expansion of y in x
0.970 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.970 * [taylor]: Taking taylor expansion of x in x
0.972 * [taylor]: Taking taylor expansion of (/ 2.0 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
0.972 * [taylor]: Taking taylor expansion of 2.0 in x
0.972 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
0.972 * [taylor]: Taking taylor expansion of x in x
0.972 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.972 * [taylor]: Taking taylor expansion of y in x
0.972 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.972 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.972 * [taylor]: Taking taylor expansion of y in x
0.972 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.972 * [taylor]: Taking taylor expansion of x in x
0.974 * [taylor]: Taking taylor expansion of (/ -2.0 y) in y
0.974 * [taylor]: Taking taylor expansion of -2.0 in y
0.974 * [taylor]: Taking taylor expansion of y in y
0.977 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
0.977 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.977 * [taylor]: Taking taylor expansion of 2.0 in y
0.977 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.977 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.977 * [taylor]: Taking taylor expansion of y in y
0.983 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 3)))) in y
0.983 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
0.983 * [taylor]: Taking taylor expansion of 2.0 in y
0.983 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.983 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.983 * [taylor]: Taking taylor expansion of y in y
0.991 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
0.991 * [approximate]: Taking taylor expansion of (* 2.0 (/ x (- x y))) in (x y) around 0
0.992 * [taylor]: Taking taylor expansion of (* 2.0 (/ x (- x y))) in y
0.992 * [taylor]: Taking taylor expansion of 2.0 in y
0.992 * [taylor]: Taking taylor expansion of (/ x (- x y)) in y
0.992 * [taylor]: Taking taylor expansion of x in y
0.992 * [taylor]: Taking taylor expansion of (- x y) in y
0.992 * [taylor]: Taking taylor expansion of x in y
0.992 * [taylor]: Taking taylor expansion of y in y
0.992 * [taylor]: Taking taylor expansion of (* 2.0 (/ x (- x y))) in x
0.992 * [taylor]: Taking taylor expansion of 2.0 in x
0.992 * [taylor]: Taking taylor expansion of (/ x (- x y)) in x
0.992 * [taylor]: Taking taylor expansion of x in x
0.992 * [taylor]: Taking taylor expansion of (- x y) in x
0.992 * [taylor]: Taking taylor expansion of x in x
0.992 * [taylor]: Taking taylor expansion of y in x
0.992 * [taylor]: Taking taylor expansion of (* 2.0 (/ x (- x y))) in x
0.992 * [taylor]: Taking taylor expansion of 2.0 in x
0.992 * [taylor]: Taking taylor expansion of (/ x (- x y)) in x
0.992 * [taylor]: Taking taylor expansion of x in x
0.992 * [taylor]: Taking taylor expansion of (- x y) in x
0.992 * [taylor]: Taking taylor expansion of x in x
0.992 * [taylor]: Taking taylor expansion of y in x
0.992 * [taylor]: Taking taylor expansion of (/ -2.0 y) in y
0.992 * [taylor]: Taking taylor expansion of -2.0 in y
0.992 * [taylor]: Taking taylor expansion of y in y
0.994 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 2)))) in y
0.994 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
0.994 * [taylor]: Taking taylor expansion of 2.0 in y
0.994 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.994 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.994 * [taylor]: Taking taylor expansion of y in y
0.998 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow y 3)))) in y
0.999 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 3))) in y
0.999 * [taylor]: Taking taylor expansion of 2.0 in y
0.999 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.999 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.999 * [taylor]: Taking taylor expansion of y in y
1.007 * [approximate]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) x)) in (x y) around 0
1.007 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) x)) in y
1.007 * [taylor]: Taking taylor expansion of 2.0 in y
1.007 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) x) in y
1.007 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
1.007 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.008 * [taylor]: Taking taylor expansion of x in y
1.008 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.008 * [taylor]: Taking taylor expansion of y in y
1.008 * [taylor]: Taking taylor expansion of x in y
1.008 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) x)) in x
1.008 * [taylor]: Taking taylor expansion of 2.0 in x
1.008 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) x) in x
1.008 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
1.008 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.008 * [taylor]: Taking taylor expansion of x in x
1.009 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.009 * [taylor]: Taking taylor expansion of y in x
1.009 * [taylor]: Taking taylor expansion of x in x
1.010 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- (/ 1 x) (/ 1 y)) x)) in x
1.010 * [taylor]: Taking taylor expansion of 2.0 in x
1.010 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) x) in x
1.010 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
1.010 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.010 * [taylor]: Taking taylor expansion of x in x
1.011 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.011 * [taylor]: Taking taylor expansion of y in x
1.011 * [taylor]: Taking taylor expansion of x in x
1.012 * [taylor]: Taking taylor expansion of 2.0 in y
1.014 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
1.014 * [taylor]: Taking taylor expansion of 2.0 in y
1.014 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.014 * [taylor]: Taking taylor expansion of y in y
1.019 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
1.019 * [taylor]: Taking taylor expansion of 2.0 in y
1.019 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.019 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.019 * [taylor]: Taking taylor expansion of y in y
1.024 * [approximate]: Taking taylor expansion of (/ -2.0 (* x (- (/ 1 y) (/ 1 x)))) in (x y) around 0
1.024 * [taylor]: Taking taylor expansion of (/ -2.0 (* x (- (/ 1 y) (/ 1 x)))) in y
1.024 * [taylor]: Taking taylor expansion of -2.0 in y
1.024 * [taylor]: Taking taylor expansion of (* x (- (/ 1 y) (/ 1 x))) in y
1.024 * [taylor]: Taking taylor expansion of x in y
1.024 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
1.024 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.024 * [taylor]: Taking taylor expansion of y in y
1.024 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.024 * [taylor]: Taking taylor expansion of x in y
1.025 * [taylor]: Taking taylor expansion of (/ -2.0 (* x (- (/ 1 y) (/ 1 x)))) in x
1.025 * [taylor]: Taking taylor expansion of -2.0 in x
1.025 * [taylor]: Taking taylor expansion of (* x (- (/ 1 y) (/ 1 x))) in x
1.025 * [taylor]: Taking taylor expansion of x in x
1.025 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
1.025 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.025 * [taylor]: Taking taylor expansion of y in x
1.025 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.025 * [taylor]: Taking taylor expansion of x in x
1.027 * [taylor]: Taking taylor expansion of (/ -2.0 (* x (- (/ 1 y) (/ 1 x)))) in x
1.027 * [taylor]: Taking taylor expansion of -2.0 in x
1.027 * [taylor]: Taking taylor expansion of (* x (- (/ 1 y) (/ 1 x))) in x
1.027 * [taylor]: Taking taylor expansion of x in x
1.027 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
1.027 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.027 * [taylor]: Taking taylor expansion of y in x
1.027 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.027 * [taylor]: Taking taylor expansion of x in x
1.030 * [taylor]: Taking taylor expansion of 2.0 in y
1.032 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
1.032 * [taylor]: Taking taylor expansion of 2.0 in y
1.032 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.032 * [taylor]: Taking taylor expansion of y in y
1.037 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y
1.037 * [taylor]: Taking taylor expansion of 2.0 in y
1.037 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.037 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.037 * [taylor]: Taking taylor expansion of y in y
1.042 * * * [progress]: simplifying candidates
1.043 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (expm1 (* (/ (* x 2.0) (- x y)) y))
  (log1p (* (/ (* x 2.0) (- x y)) y))
  (* (/ (* x 2.0) (- x y)) y)
  (+ (- (+ (log x) (log 2.0)) (log (- x y))) (log y))
  (+ (- (log (* x 2.0)) (log (- x y))) (log y))
  (+ (log (/ (* x 2.0) (- x y))) (log y))
  (log (* (/ (* x 2.0) (- x y)) y))
  (exp (* (/ (* x 2.0) (- x y)) y))
  (* (/ (* (* (* x x) x) (* (* 2.0 2.0) 2.0)) (* (* (- x y) (- x y)) (- x y))) (* (* y y) y))
  (* (/ (* (* (* x 2.0) (* x 2.0)) (* x 2.0)) (* (* (- x y) (- x y)) (- x y))) (* (* y y) y))
  (* (* (* (/ (* x 2.0) (- x y)) (/ (* x 2.0) (- x y))) (/ (* x 2.0) (- x y))) (* (* y y) y))
  (* (cbrt (* (/ (* x 2.0) (- x y)) y)) (cbrt (* (/ (* x 2.0) (- x y)) y)))
  (cbrt (* (/ (* x 2.0) (- x y)) y))
  (* (* (* (/ (* x 2.0) (- x y)) y) (* (/ (* x 2.0) (- x y)) y)) (* (/ (* x 2.0) (- x y)) y))
  (sqrt (* (/ (* x 2.0) (- x y)) y))
  (sqrt (* (/ (* x 2.0) (- x y)) y))
  (* (sqrt (/ (* x 2.0) (- x y))) (sqrt y))
  (* (sqrt (/ (* x 2.0) (- x y))) (sqrt y))
  (* (/ (* x 2.0) (- x y)) (* (cbrt y) (cbrt y)))
  (* (/ (* x 2.0) (- x y)) (sqrt y))
  (* (/ (* x 2.0) (- x y)) 1)
  (* (cbrt (/ (* x 2.0) (- x y))) y)
  (* (sqrt (/ (* x 2.0) (- x y))) y)
  (* (/ 2.0 (cbrt (- x y))) y)
  (* (/ 2.0 (sqrt (- x y))) y)
  (* (/ 2.0 (- x y)) y)
  (* (/ 2.0 (- (sqrt x) (sqrt y))) y)
  (* (/ 2.0 (- x y)) y)
  (* (/ (* x 2.0) (- x y)) y)
  (* (/ 1 (- x y)) y)
  (* (+ (* x x) (+ (* y y) (* x y))) y)
  (* (+ x y) y)
  (* (* x 2.0) y)
  (expm1 (/ (* x 2.0) (- x y)))
  (log1p (/ (* x 2.0) (- x y)))
  (- (+ (log x) (log 2.0)) (log (- x y)))
  (- (log (* x 2.0)) (log (- x y)))
  (log (/ (* x 2.0) (- x y)))
  (exp (/ (* x 2.0) (- x y)))
  (/ (* (* (* x x) x) (* (* 2.0 2.0) 2.0)) (* (* (- x y) (- x y)) (- x y)))
  (/ (* (* (* x 2.0) (* x 2.0)) (* x 2.0)) (* (* (- x y) (- x y)) (- x y)))
  (* (cbrt (/ (* x 2.0) (- x y))) (cbrt (/ (* x 2.0) (- x y))))
  (cbrt (/ (* x 2.0) (- x y)))
  (* (* (/ (* x 2.0) (- x y)) (/ (* x 2.0) (- x y))) (/ (* x 2.0) (- x y)))
  (sqrt (/ (* x 2.0) (- x y)))
  (sqrt (/ (* x 2.0) (- x y)))
  (- (* x 2.0))
  (- (- x y))
  (/ x (* (cbrt (- x y)) (cbrt (- x y))))
  (/ 2.0 (cbrt (- x y)))
  (/ x (sqrt (- x y)))
  (/ 2.0 (sqrt (- x y)))
  (/ x 1)
  (/ 2.0 (- x y))
  (/ x (+ (sqrt x) (sqrt y)))
  (/ 2.0 (- (sqrt x) (sqrt y)))
  (/ x 1)
  (/ 2.0 (- x y))
  (/ 1 (- x y))
  (/ (- x y) (* x 2.0))
  (/ (* x 2.0) (* (cbrt (- x y)) (cbrt (- x y))))
  (/ (* x 2.0) (sqrt (- x y)))
  (/ (* x 2.0) 1)
  (/ (* x 2.0) (+ (sqrt x) (sqrt y)))
  (/ (* x 2.0) 1)
  (/ (- x y) 2.0)
  (/ (* x 2.0) (- (pow x 3) (pow y 3)))
  (/ (* x 2.0) (- (* x x) (* y y)))
  0
  0
  0
  0
  0
  0
1.047 * * [simplify]: iteration  0 :  268  enodes  (cost  331 )
1.053 * * [simplify]: iteration  1 :  1326  enodes  (cost  279 )
1.077 * * [simplify]: iteration  2 :  5001  enodes  (cost  279 )
1.084 * [simplify]: Simplified to:
   (expm1 (* (/ (* x 2.0) (- x y)) y))
  (log1p (* (/ (* x 2.0) (- x y)) y))
  (* (/ (* x 2.0) (- x y)) y)
  (log (* (/ (* x 2.0) (- x y)) y))
  (log (* (/ (* x 2.0) (- x y)) y))
  (log (* (/ (* x 2.0) (- x y)) y))
  (log (* (/ (* x 2.0) (- x y)) y))
  (exp (* (/ (* x 2.0) (- x y)) y))
  (pow (* (/ (* x 2.0) (- x y)) y) 3)
  (pow (* (/ (* x 2.0) (- x y)) y) 3)
  (pow (* (/ (* x 2.0) (- x y)) y) 3)
  (* (cbrt (* (/ (* x 2.0) (- x y)) y)) (cbrt (* (/ (* x 2.0) (- x y)) y)))
  (cbrt (* (/ (* x 2.0) (- x y)) y))
  (pow (* (/ (* x 2.0) (- x y)) y) 3)
  (sqrt (* (/ (* x 2.0) (- x y)) y))
  (sqrt (* (/ (* x 2.0) (- x y)) y))
  (* (sqrt (/ (* x 2.0) (- x y))) (sqrt y))
  (* (sqrt (/ (* x 2.0) (- x y))) (sqrt y))
  (* (/ (* x 2.0) (- x y)) (* (cbrt y) (cbrt y)))
  (* (/ (* x 2.0) (- x y)) (sqrt y))
  (/ (* x 2.0) (- x y))
  (* (cbrt (/ (* x 2.0) (- x y))) y)
  (* (sqrt (/ (* x 2.0) (- x y))) y)
  (* (/ 2.0 (cbrt (- x y))) y)
  (* (/ 2.0 (sqrt (- x y))) y)
  (* (/ 2.0 (- x y)) y)
  (* (/ 2.0 (- (sqrt x) (sqrt y))) y)
  (* (/ 2.0 (- x y)) y)
  (* (/ (* x 2.0) (- x y)) y)
  (* (/ 1 (- x y)) y)
  (* y (fma x x (fma y y (* x y))))
  (fma y y (* x y))
  (* (* x 2.0) y)
  (expm1 (/ (* x 2.0) (- x y)))
  (log1p (/ (* x 2.0) (- x y)))
  (log (/ (* x 2.0) (- x y)))
  (log (/ (* x 2.0) (- x y)))
  (log (/ (* x 2.0) (- x y)))
  (exp (/ (* x 2.0) (- x y)))
  (pow (/ (* x 2.0) (- x y)) 3)
  (pow (/ (* x 2.0) (- x y)) 3)
  (* (cbrt (/ (* x 2.0) (- x y))) (cbrt (/ (* x 2.0) (- x y))))
  (cbrt (/ (* x 2.0) (- x y)))
  (pow (/ (* x 2.0) (- x y)) 3)
  (sqrt (/ (* x 2.0) (- x y)))
  (sqrt (/ (* x 2.0) (- x y)))
  (- (* x 2.0))
  (- (- x y))
  (/ x (* (cbrt (- x y)) (cbrt (- x y))))
  (/ 2.0 (cbrt (- x y)))
  (/ x (sqrt (- x y)))
  (/ 2.0 (sqrt (- x y)))
  x
  (/ 2.0 (- x y))
  (/ x (+ (sqrt x) (sqrt y)))
  (/ 2.0 (- (sqrt x) (sqrt y)))
  x
  (/ 2.0 (- x y))
  (/ 1 (- x y))
  (/ (- x y) (* x 2.0))
  (/ (* x 2.0) (* (cbrt (- x y)) (cbrt (- x y))))
  (/ (* x 2.0) (sqrt (- x y)))
  (* x 2.0)
  (/ (* x 2.0) (+ (sqrt x) (sqrt y)))
  (* x 2.0)
  (/ (- x y) 2.0)
  (/ (* x 2.0) (- (pow x 3) (pow y 3)))
  (/ (* x 2.0) (- (* x x) (* y y)))
  0
  0
  0
  0
  0
  0
1.085 * * * [progress]: adding candidates to table
1.188 * [progress]: [Phase 3 of 3] Extracting.
1.188 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (/ (/ (* x 2.0) (- x y)) (/ 1 y)))> #<alt (λ (x y) (* (/ (* x 2.0) (- x y)) y))> #<alt (λ (x y) (/ (* x 2.0) (/ (- x y) y)))>)
1.189 * * * [regime-changes]: Trying 2 branch expressions: (y x)
1.189 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (/ (/ (* x 2.0) (- x y)) (/ 1 y)))> #<alt (λ (x y) (* (/ (* x 2.0) (- x y)) y))> #<alt (λ (x y) (/ (* x 2.0) (/ (- x y) y)))>)
1.209 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (/ (/ (* x 2.0) (- x y)) (/ 1 y)))> #<alt (λ (x y) (* (/ (* x 2.0) (- x y)) y))> #<alt (λ (x y) (/ (* x 2.0) (/ (- x y) y)))>)
1.231 * * * [regime]: Found split indices: #<option (#s(si 2 56) #s(si 1 176) #s(si 2 255))>
1.232 * [binary-search]: Improving bounds with binary search for y and (#<alt (λ (x y) (/ (/ (* x 2.0) (- x y)) (/ 1 y)))> #<alt (λ (x y) (* (/ (* x 2.0) (- x y)) y))> #<alt (λ (x y) (/ (* x 2.0) (/ (- x y) y)))>)
1.300 * [regimes]: Found splitpoints: (#s(sp 2 y -2.5251409834127483e+52) #s(sp 1 y 1.226684745187438e-25) #s(sp 2 y +nan.0)) , with alts (#<alt (λ (x y) (/ (/ (* x 2.0) (- x y)) (/ 1 y)))> #<alt (λ (x y) (* (/ (* x 2.0) (- x y)) y))> #<alt (λ (x y) (/ (* x 2.0) (/ (- x y) y)))>)
1.300 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (if (<= y -2.5251409834127483e+52) (/ (* x 2.0) (/ (- x y) y)) (if (<= y 1.226684745187438e-25) (* (/ (* x 2.0) (- x y)) y) (/ (* x 2.0) (/ (- x y) y))))
1.301 * * [simplify]: iteration  0 :  20  enodes  (cost  8 )
1.301 * * [simplify]: iteration  1 :  20  enodes  (cost  8 )
1.301 * [simplify]: Simplified to:
   (if (or (<= y -2.5251409834127483e+52) (not (<= y 1.226684745187438e-25))) (/ (* x 2.0) (/ (- x y) y)) (* (/ (* x 2.0) (- x y)) y))
1.948 * [regime-testing]: Baseline error score: 7.618752147209524
1.948 * [regime-testing]: Oracle error score: 0.06400800100012502
1.949 * [regime-testing]: End program error score: 0.21855642556252586
1.970 * [regime-testing]: Target error score: 0.35358835927980126