30.680 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.017 * * * [progress]: [2/2] Setting up program.
0.018 * [progress]: [Phase 2 of 3] Improving.
0.018 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (+ x y) (- x y))
0.021 * * [simplify]: iteration  0 :  9  enodes  (cost  3 )
0.022 * * [simplify]: iteration  1 :  24  enodes  (cost  3 )
0.024 * * [simplify]: iteration  2 :  59  enodes  (cost  3 )
0.025 * * [simplify]: iteration  3 :  157  enodes  (cost  3 )
0.028 * * [simplify]: iteration  4 :  289  enodes  (cost  3 )
0.031 * * [simplify]: iteration  5 :  423  enodes  (cost  3 )
0.036 * * [simplify]: iteration  6 :  644  enodes  (cost  3 )
0.043 * * [simplify]: iteration  7 :  1598  enodes  (cost  3 )
0.082 * * [simplify]: iteration  8 :  5001  enodes  (cost  3 )
0.082 * [simplify]: Simplified to:
   (* (+ x y) (- x y))
0.083 * * [progress]: iteration 1 / 4
0.083 * * * [progress]: picking best candidate
0.084 * * * * [pick]: Picked  #<alt (λ (x y) (* (+ x y) (- x y)))>
0.084 * * * [progress]: localizing error
0.088 * * * [progress]: generating rewritten candidates
0.088 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.100 * * * [progress]: generating series expansions
0.100 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.100 * [approximate]: Taking taylor expansion of (* (+ x y) (- x y)) in (x y) around 0
0.100 * [taylor]: Taking taylor expansion of (* (+ x y) (- x y)) in y
0.100 * [taylor]: Taking taylor expansion of (+ x y) in y
0.100 * [taylor]: Taking taylor expansion of x in y
0.100 * [taylor]: Taking taylor expansion of y in y
0.100 * [taylor]: Taking taylor expansion of (- x y) in y
0.100 * [taylor]: Taking taylor expansion of x in y
0.100 * [taylor]: Taking taylor expansion of y in y
0.100 * [taylor]: Taking taylor expansion of (* (+ x y) (- x y)) in x
0.100 * [taylor]: Taking taylor expansion of (+ x y) in x
0.100 * [taylor]: Taking taylor expansion of x in x
0.100 * [taylor]: Taking taylor expansion of y in x
0.100 * [taylor]: Taking taylor expansion of (- x y) in x
0.100 * [taylor]: Taking taylor expansion of x in x
0.100 * [taylor]: Taking taylor expansion of y in x
0.100 * [taylor]: Taking taylor expansion of (* (+ x y) (- x y)) in x
0.100 * [taylor]: Taking taylor expansion of (+ x y) in x
0.100 * [taylor]: Taking taylor expansion of x in x
0.100 * [taylor]: Taking taylor expansion of y in x
0.100 * [taylor]: Taking taylor expansion of (- x y) in x
0.100 * [taylor]: Taking taylor expansion of x in x
0.100 * [taylor]: Taking taylor expansion of y in x
0.100 * [taylor]: Taking taylor expansion of (* -1 (pow y 2)) in y
0.100 * [taylor]: Taking taylor expansion of -1 in y
0.100 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.100 * [taylor]: Taking taylor expansion of y in y
0.101 * [taylor]: Taking taylor expansion of 0 in y
0.102 * [taylor]: Taking taylor expansion of 1 in y
0.104 * [taylor]: Taking taylor expansion of 0 in y
0.109 * [taylor]: Taking taylor expansion of 0 in y
0.110 * [approximate]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) in (x y) around 0
0.110 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) in y
0.110 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.110 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.110 * [taylor]: Taking taylor expansion of x in y
0.110 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.110 * [taylor]: Taking taylor expansion of y in y
0.110 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.110 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.110 * [taylor]: Taking taylor expansion of y in y
0.110 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.110 * [taylor]: Taking taylor expansion of x in y
0.110 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) in x
0.110 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.110 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.110 * [taylor]: Taking taylor expansion of x in x
0.111 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.111 * [taylor]: Taking taylor expansion of y in x
0.111 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.111 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.111 * [taylor]: Taking taylor expansion of y in x
0.111 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.111 * [taylor]: Taking taylor expansion of x in x
0.111 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) in x
0.111 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.111 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.111 * [taylor]: Taking taylor expansion of x in x
0.111 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.111 * [taylor]: Taking taylor expansion of y in x
0.111 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.111 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.111 * [taylor]: Taking taylor expansion of y in x
0.111 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.111 * [taylor]: Taking taylor expansion of x in x
0.113 * [taylor]: Taking taylor expansion of 1 in y
0.114 * [taylor]: Taking taylor expansion of 0 in y
0.116 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2))) in y
0.116 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.116 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.116 * [taylor]: Taking taylor expansion of y in y
0.119 * [taylor]: Taking taylor expansion of 0 in y
0.122 * [taylor]: Taking taylor expansion of 0 in y
0.124 * [approximate]: Taking taylor expansion of (* -1 (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x)))) in (x y) around 0
0.124 * [taylor]: Taking taylor expansion of (* -1 (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x)))) in y
0.124 * [taylor]: Taking taylor expansion of -1 in y
0.124 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) in y
0.124 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.124 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.124 * [taylor]: Taking taylor expansion of y in y
0.124 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.124 * [taylor]: Taking taylor expansion of x in y
0.124 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.124 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.124 * [taylor]: Taking taylor expansion of y in y
0.125 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.125 * [taylor]: Taking taylor expansion of x in y
0.125 * [taylor]: Taking taylor expansion of (* -1 (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x)))) in x
0.125 * [taylor]: Taking taylor expansion of -1 in x
0.125 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) in x
0.125 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.125 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.125 * [taylor]: Taking taylor expansion of y in x
0.125 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.125 * [taylor]: Taking taylor expansion of x in x
0.125 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.125 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.125 * [taylor]: Taking taylor expansion of y in x
0.125 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.125 * [taylor]: Taking taylor expansion of x in x
0.125 * [taylor]: Taking taylor expansion of (* -1 (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x)))) in x
0.125 * [taylor]: Taking taylor expansion of -1 in x
0.125 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) in x
0.126 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.126 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.126 * [taylor]: Taking taylor expansion of y in x
0.126 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.126 * [taylor]: Taking taylor expansion of x in x
0.126 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.126 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.126 * [taylor]: Taking taylor expansion of y in x
0.126 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.126 * [taylor]: Taking taylor expansion of x in x
0.127 * [taylor]: Taking taylor expansion of 1 in y
0.129 * [taylor]: Taking taylor expansion of 0 in y
0.132 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2))) in y
0.132 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.132 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.132 * [taylor]: Taking taylor expansion of y in y
0.135 * [taylor]: Taking taylor expansion of 0 in y
0.140 * [taylor]: Taking taylor expansion of 0 in y
0.141 * * * [progress]: simplifying candidates
0.142 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (expm1 (* (+ x y) (- x y)))
  (log1p (* (+ x y) (- x y)))
  (* (+ x y) (- x y))
  (+ (log (+ x y)) (log (- x y)))
  (log (* (+ x y) (- x y)))
  (exp (* (+ x y) (- x y)))
  (* (* (* (+ x y) (+ x y)) (+ x y)) (* (* (- x y) (- x y)) (- x y)))
  (* (cbrt (* (+ x y) (- x y))) (cbrt (* (+ x y) (- x y))))
  (cbrt (* (+ x y) (- x y)))
  (* (* (* (+ x y) (- x y)) (* (+ x y) (- x y))) (* (+ x y) (- x y)))
  (sqrt (* (+ x y) (- x y)))
  (sqrt (* (+ x y) (- x y)))
  (* (+ (pow x 3) (pow y 3)) (- (pow x 3) (pow y 3)))
  (* (+ (* x x) (- (* y y) (* x y))) (+ (* x x) (+ (* y y) (* x y))))
  (* (+ (pow x 3) (pow y 3)) (- (* x x) (* y y)))
  (* (+ (* x x) (- (* y y) (* x y))) (+ x y))
  (* (- (* x x) (* y y)) (- (pow x 3) (pow y 3)))
  (* (- x y) (+ (* x x) (+ (* y y) (* x y))))
  (* (- (* x x) (* y y)) (- (* x x) (* y y)))
  (* (- x y) (+ x y))
  (* (sqrt (+ x y)) (sqrt (- x y)))
  (* (sqrt (+ x y)) (sqrt (- x y)))
  (* (+ x y) (fma (* (cbrt x) (cbrt x)) (cbrt x) (- (* (cbrt y) (* (cbrt y) (cbrt y))))))
  (* (+ x y) (fma (- (cbrt y)) (* (cbrt y) (cbrt y)) (* (cbrt y) (* (cbrt y) (cbrt y)))))
  (* (+ x y) (fma (* (cbrt x) (cbrt x)) (cbrt x) (- (* (sqrt y) (sqrt y)))))
  (* (+ x y) (fma (- (sqrt y)) (sqrt y) (* (sqrt y) (sqrt y))))
  (* (+ x y) (fma (* (cbrt x) (cbrt x)) (cbrt x) (- (* y 1))))
  (* (+ x y) (fma (- y) 1 (* y 1)))
  (* (+ x y) (fma (sqrt x) (sqrt x) (- (* (cbrt y) (* (cbrt y) (cbrt y))))))
  (* (+ x y) (fma (- (cbrt y)) (* (cbrt y) (cbrt y)) (* (cbrt y) (* (cbrt y) (cbrt y)))))
  (* (+ x y) (fma (sqrt x) (sqrt x) (- (* (sqrt y) (sqrt y)))))
  (* (+ x y) (fma (- (sqrt y)) (sqrt y) (* (sqrt y) (sqrt y))))
  (* (+ x y) (fma (sqrt x) (sqrt x) (- (* y 1))))
  (* (+ x y) (fma (- y) 1 (* y 1)))
  (* (+ x y) (fma 1 x (- (* (cbrt y) (* (cbrt y) (cbrt y))))))
  (* (+ x y) (fma (- (cbrt y)) (* (cbrt y) (cbrt y)) (* (cbrt y) (* (cbrt y) (cbrt y)))))
  (* (+ x y) (fma 1 x (- (* (sqrt y) (sqrt y)))))
  (* (+ x y) (fma (- (sqrt y)) (sqrt y) (* (sqrt y) (sqrt y))))
  (* (+ x y) (fma 1 x (- (* y 1))))
  (* (+ x y) (fma (- y) 1 (* y 1)))
  (* (+ x y) x)
  (* (+ x y) (- y))
  (* (+ x y) x)
  (* (+ x y) (- y))
  (* (fma (* (cbrt x) (cbrt x)) (cbrt x) (- (* (cbrt y) (* (cbrt y) (cbrt y))))) (+ x y))
  (* (fma (- (cbrt y)) (* (cbrt y) (cbrt y)) (* (cbrt y) (* (cbrt y) (cbrt y)))) (+ x y))
  (* (fma (* (cbrt x) (cbrt x)) (cbrt x) (- (* (sqrt y) (sqrt y)))) (+ x y))
  (* (fma (- (sqrt y)) (sqrt y) (* (sqrt y) (sqrt y))) (+ x y))
  (* (fma (* (cbrt x) (cbrt x)) (cbrt x) (- (* y 1))) (+ x y))
  (* (fma (- y) 1 (* y 1)) (+ x y))
  (* (fma (sqrt x) (sqrt x) (- (* (cbrt y) (* (cbrt y) (cbrt y))))) (+ x y))
  (* (fma (- (cbrt y)) (* (cbrt y) (cbrt y)) (* (cbrt y) (* (cbrt y) (cbrt y)))) (+ x y))
  (* (fma (sqrt x) (sqrt x) (- (* (sqrt y) (sqrt y)))) (+ x y))
  (* (fma (- (sqrt y)) (sqrt y) (* (sqrt y) (sqrt y))) (+ x y))
  (* (fma (sqrt x) (sqrt x) (- (* y 1))) (+ x y))
  (* (fma (- y) 1 (* y 1)) (+ x y))
  (* (fma 1 x (- (* (cbrt y) (* (cbrt y) (cbrt y))))) (+ x y))
  (* (fma (- (cbrt y)) (* (cbrt y) (cbrt y)) (* (cbrt y) (* (cbrt y) (cbrt y)))) (+ x y))
  (* (fma 1 x (- (* (sqrt y) (sqrt y)))) (+ x y))
  (* (fma (- (sqrt y)) (sqrt y) (* (sqrt y) (sqrt y))) (+ x y))
  (* (fma 1 x (- (* y 1))) (+ x y))
  (* (fma (- y) 1 (* y 1)) (+ x y))
  (* x (+ x y))
  (* (- y) (+ x y))
  (* x (+ x y))
  (* (- y) (+ x y))
  (* (+ x y) (* (cbrt (- x y)) (cbrt (- x y))))
  (* (+ x y) (sqrt (- x y)))
  (* (+ x y) 1)
  (* (+ x y) (+ (sqrt x) (sqrt y)))
  (* (+ x y) 1)
  (* (cbrt (+ x y)) (- x y))
  (* (sqrt (+ x y)) (- x y))
  (* (+ x y) (- x y))
  (* (+ x y) (- x y))
  (* (+ x y) (- (pow x 3) (pow y 3)))
  (* (+ x y) (- (* x x) (* y y)))
  (* (+ (pow x 3) (pow y 3)) (- x y))
  (* (- (* x x) (* y y)) (- x y))
  (- (pow x 2) (pow y 2))
  (- (pow x 2) (pow y 2))
  (- (pow x 2) (pow y 2))
0.147 * * [simplify]: iteration  0 :  349  enodes  (cost  495 )
0.154 * * [simplify]: iteration  1 :  1721  enodes  (cost  354 )
0.184 * * [simplify]: iteration  2 :  5002  enodes  (cost  354 )
0.187 * [simplify]: Simplified to:
   (expm1 (* (+ x y) (- x y)))
  (log1p (* (+ x y) (- x y)))
  (* (- x y) (+ x y))
  (log (* (+ x y) (- x y)))
  (log (* (+ x y) (- x y)))
  (exp (* (+ x y) (- x y)))
  (pow (* (- x y) (+ x y)) 3)
  (* (cbrt (* (+ x y) (- x y))) (cbrt (* (+ x y) (- x y))))
  (cbrt (* (+ x y) (- x y)))
  (pow (* (- x y) (+ x y)) 3)
  (sqrt (* (+ x y) (- x y)))
  (sqrt (* (+ x y) (- x y)))
  (* (+ (pow x 3) (pow y 3)) (- (pow x 3) (pow y 3)))
  (* (fma x x (fma y y (* x y))) (fma x x (- (* y y) (* x y))))
  (* (+ (pow x 3) (pow y 3)) (- (* x x) (* y y)))
  (* (fma y (- y x) (pow x 2)) (+ x y))
  (* (- (* x x) (* y y)) (- (pow x 3) (pow y 3)))
  (* (fma x x (fma y y (* x y))) (- x y))
  (* (* (+ x y) (- x y)) (* (+ x y) (- x y)))
  (* (- x y) (+ x y))
  (* (sqrt (+ x y)) (sqrt (- x y)))
  (* (sqrt (+ x y)) (sqrt (- x y)))
  (* (fma (* (cbrt x) (cbrt x)) (cbrt x) (- (* y 1))) (+ x y))
  (* (fma (- y) 1 y) (+ x y))
  (* (fma (* (cbrt x) (cbrt x)) (cbrt x) (- (* y 1))) (+ x y))
  (* (fma (- y) 1 y) (+ x y))
  (* (fma (* (cbrt x) (cbrt x)) (cbrt x) (- (* y 1))) (+ x y))
  (* (fma (- y) 1 y) (+ x y))
  (* (- x y) (+ x y))
  (* (fma (- y) 1 y) (+ x y))
  (* (- x y) (+ x y))
  (* (fma (- y) 1 y) (+ x y))
  (* (- x y) (+ x y))
  (* (fma (- y) 1 y) (+ x y))
  (* (- x y) (+ x y))
  (* (fma (- y) 1 y) (+ x y))
  (* (- x y) (+ x y))
  (* (fma (- y) 1 y) (+ x y))
  (* (- x y) (+ x y))
  (* (fma (- y) 1 y) (+ x y))
  (* x (+ x y))
  (* (- y) (+ x y))
  (* x (+ x y))
  (* (- y) (+ x y))
  (* (fma (* (cbrt x) (cbrt x)) (cbrt x) (- (* y 1))) (+ x y))
  (* (fma (- y) 1 y) (+ x y))
  (* (fma (* (cbrt x) (cbrt x)) (cbrt x) (- (* y 1))) (+ x y))
  (* (fma (- y) 1 y) (+ x y))
  (* (fma (* (cbrt x) (cbrt x)) (cbrt x) (- (* y 1))) (+ x y))
  (* (fma (- y) 1 y) (+ x y))
  (* (- x y) (+ x y))
  (* (fma (- y) 1 y) (+ x y))
  (* (- x y) (+ x y))
  (* (fma (- y) 1 y) (+ x y))
  (* (- x y) (+ x y))
  (* (fma (- y) 1 y) (+ x y))
  (* (- x y) (+ x y))
  (* (fma (- y) 1 y) (+ x y))
  (* (- x y) (+ x y))
  (* (fma (- y) 1 y) (+ x y))
  (* (- x y) (+ x y))
  (* (fma (- y) 1 y) (+ x y))
  (* x (+ x y))
  (* (- y) (+ x y))
  (* x (+ x y))
  (* (- y) (+ x y))
  (* (+ x y) (* (cbrt (- x y)) (cbrt (- x y))))
  (* (+ x y) (sqrt (- x y)))
  (+ x y)
  (* (+ x y) (+ (sqrt x) (sqrt y)))
  (+ x y)
  (* (cbrt (+ x y)) (- x y))
  (* (sqrt (+ x y)) (- x y))
  (* (- x y) (+ x y))
  (* (- x y) (+ x y))
  (* (+ x y) (- (pow x 3) (pow y 3)))
  (* (+ x y) (- (* x x) (* y y)))
  (* (+ (pow x 3) (pow y 3)) (- x y))
  (* (- (* x x) (* y y)) (- x y))
  (* (- x y) (+ x y))
  (* (- x y) (+ x y))
  (* (- x y) (+ x y))
0.187 * * * [progress]: adding candidates to table
0.253 * * [progress]: iteration 2 / 4
0.253 * * * [progress]: picking best candidate
0.255 * * * * [pick]: Picked  #<alt (λ (x y) (/ (* (+ x y) (- (* x x) (* y y))) (+ x y)))>
0.255 * * * [progress]: localizing error
0.264 * * * [progress]: generating rewritten candidates
0.264 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.276 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.287 * * * [progress]: generating series expansions
0.287 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.287 * [approximate]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in (x y) around 0
0.288 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in y
0.288 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.288 * [taylor]: Taking taylor expansion of x in y
0.288 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.288 * [taylor]: Taking taylor expansion of y in y
0.288 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in x
0.288 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.288 * [taylor]: Taking taylor expansion of x in x
0.288 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.288 * [taylor]: Taking taylor expansion of y in x
0.288 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in x
0.288 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.288 * [taylor]: Taking taylor expansion of x in x
0.288 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.288 * [taylor]: Taking taylor expansion of y in x
0.288 * [taylor]: Taking taylor expansion of (- (pow y 2)) in y
0.288 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.288 * [taylor]: Taking taylor expansion of y in y
0.289 * [taylor]: Taking taylor expansion of 0 in y
0.290 * [taylor]: Taking taylor expansion of 1 in y
0.292 * [taylor]: Taking taylor expansion of 0 in y
0.294 * [taylor]: Taking taylor expansion of 0 in y
0.294 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in (x y) around 0
0.294 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.294 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.294 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.294 * [taylor]: Taking taylor expansion of x in y
0.294 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.294 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.294 * [taylor]: Taking taylor expansion of y in y
0.295 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.295 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.295 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.295 * [taylor]: Taking taylor expansion of x in x
0.295 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.295 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.295 * [taylor]: Taking taylor expansion of y in x
0.296 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.296 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.296 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.296 * [taylor]: Taking taylor expansion of x in x
0.296 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.296 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.296 * [taylor]: Taking taylor expansion of y in x
0.297 * [taylor]: Taking taylor expansion of 1 in y
0.297 * [taylor]: Taking taylor expansion of 0 in y
0.299 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2))) in y
0.299 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.299 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.299 * [taylor]: Taking taylor expansion of y in y
0.301 * [taylor]: Taking taylor expansion of 0 in y
0.304 * [taylor]: Taking taylor expansion of 0 in y
0.306 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in (x y) around 0
0.306 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.306 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.306 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.306 * [taylor]: Taking taylor expansion of x in y
0.306 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.306 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.306 * [taylor]: Taking taylor expansion of y in y
0.306 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) 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
0.307 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.307 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.307 * [taylor]: Taking taylor expansion of y in x
0.307 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.307 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.307 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.307 * [taylor]: Taking taylor expansion of x in x
0.307 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.307 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.307 * [taylor]: Taking taylor expansion of y in x
0.308 * [taylor]: Taking taylor expansion of 1 in y
0.309 * [taylor]: Taking taylor expansion of 0 in y
0.310 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2))) in y
0.310 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.310 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.310 * [taylor]: Taking taylor expansion of y in y
0.312 * [taylor]: Taking taylor expansion of 0 in y
0.315 * [taylor]: Taking taylor expansion of 0 in y
0.317 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
0.317 * [approximate]: Taking taylor expansion of (* (- (pow x 2) (pow y 2)) (+ x y)) in (x y) around 0
0.317 * [taylor]: Taking taylor expansion of (* (- (pow x 2) (pow y 2)) (+ x y)) in y
0.317 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in y
0.317 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.317 * [taylor]: Taking taylor expansion of x in y
0.317 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.317 * [taylor]: Taking taylor expansion of y in y
0.317 * [taylor]: Taking taylor expansion of (+ x y) in y
0.317 * [taylor]: Taking taylor expansion of x in y
0.317 * [taylor]: Taking taylor expansion of y in y
0.317 * [taylor]: Taking taylor expansion of (* (- (pow x 2) (pow y 2)) (+ x y)) in x
0.317 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in x
0.317 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.317 * [taylor]: Taking taylor expansion of x in x
0.317 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.317 * [taylor]: Taking taylor expansion of y in x
0.317 * [taylor]: Taking taylor expansion of (+ x y) in x
0.317 * [taylor]: Taking taylor expansion of x in x
0.317 * [taylor]: Taking taylor expansion of y in x
0.317 * [taylor]: Taking taylor expansion of (* (- (pow x 2) (pow y 2)) (+ x y)) in x
0.317 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in x
0.317 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.317 * [taylor]: Taking taylor expansion of x in x
0.317 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.317 * [taylor]: Taking taylor expansion of y in x
0.317 * [taylor]: Taking taylor expansion of (+ x y) in x
0.317 * [taylor]: Taking taylor expansion of x in x
0.317 * [taylor]: Taking taylor expansion of y in x
0.318 * [taylor]: Taking taylor expansion of (* -1 (pow y 3)) in y
0.318 * [taylor]: Taking taylor expansion of -1 in y
0.318 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.318 * [taylor]: Taking taylor expansion of y in y
0.318 * [taylor]: Taking taylor expansion of (- (pow y 2)) in y
0.318 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.319 * [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 in y
0.323 * [approximate]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in (x y) around 0
0.323 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in y
0.323 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.323 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.323 * [taylor]: Taking taylor expansion of y in y
0.323 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.323 * [taylor]: Taking taylor expansion of x in y
0.323 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.324 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.324 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.324 * [taylor]: Taking taylor expansion of x in y
0.324 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.324 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.324 * [taylor]: Taking taylor expansion of y in y
0.324 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.324 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.324 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.324 * [taylor]: Taking taylor expansion of y in x
0.324 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.324 * [taylor]: Taking taylor expansion of x in x
0.325 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.325 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.325 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.325 * [taylor]: Taking taylor expansion of x in x
0.325 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.325 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.325 * [taylor]: Taking taylor expansion of y in x
0.325 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.325 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.325 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.325 * [taylor]: Taking taylor expansion of y in x
0.325 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.325 * [taylor]: Taking taylor expansion of x in x
0.326 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.326 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.326 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.326 * [taylor]: Taking taylor expansion of x in x
0.326 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.326 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.326 * [taylor]: Taking taylor expansion of y in x
0.327 * [taylor]: Taking taylor expansion of 1 in y
0.329 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.329 * [taylor]: Taking taylor expansion of y in y
0.331 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2))) in y
0.331 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.331 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.331 * [taylor]: Taking taylor expansion of y in y
0.335 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 3))) in y
0.335 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.335 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.335 * [taylor]: Taking taylor expansion of y in y
0.337 * [approximate]: Taking taylor expansion of (* -1 (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 (pow x 2)) (/ 1 (pow y 2))))) in (x y) around 0
0.337 * [taylor]: Taking taylor expansion of (* -1 (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 (pow x 2)) (/ 1 (pow y 2))))) in y
0.337 * [taylor]: Taking taylor expansion of -1 in y
0.337 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in y
0.337 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.337 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.337 * [taylor]: Taking taylor expansion of y in y
0.337 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.337 * [taylor]: Taking taylor expansion of x in y
0.337 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
0.337 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.337 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.337 * [taylor]: Taking taylor expansion of x in y
0.337 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.337 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.337 * [taylor]: Taking taylor expansion of y in y
0.338 * [taylor]: Taking taylor expansion of (* -1 (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 (pow x 2)) (/ 1 (pow y 2))))) in x
0.338 * [taylor]: Taking taylor expansion of -1 in x
0.338 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.338 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.338 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.338 * [taylor]: Taking taylor expansion of y in x
0.338 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.338 * [taylor]: Taking taylor expansion of x in x
0.338 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.338 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.338 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.338 * [taylor]: Taking taylor expansion of x in x
0.339 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.339 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.339 * [taylor]: Taking taylor expansion of y in x
0.339 * [taylor]: Taking taylor expansion of (* -1 (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 (pow x 2)) (/ 1 (pow y 2))))) in x
0.339 * [taylor]: Taking taylor expansion of -1 in x
0.339 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))) in x
0.339 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.339 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.339 * [taylor]: Taking taylor expansion of y in x
0.339 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.339 * [taylor]: Taking taylor expansion of x in x
0.339 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
0.339 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.339 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.339 * [taylor]: Taking taylor expansion of x in x
0.340 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.340 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.340 * [taylor]: Taking taylor expansion of y in x
0.341 * [taylor]: Taking taylor expansion of -1 in y
0.343 * [taylor]: Taking taylor expansion of (- (/ 1 y)) in y
0.343 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.343 * [taylor]: Taking taylor expansion of y in y
0.349 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.349 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.349 * [taylor]: Taking taylor expansion of y in y
0.353 * [taylor]: Taking taylor expansion of (/ 1 (pow y 3)) in y
0.353 * [taylor]: Taking taylor expansion of (pow y 3) in y
0.353 * [taylor]: Taking taylor expansion of y in y
0.354 * * * [progress]: simplifying candidates
0.356 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (expm1 (/ (* (+ x y) (- (* x x) (* y y))) (+ x y)))
  (log1p (/ (* (+ x y) (- (* x x) (* y y))) (+ x y)))
  (- (+ (log (+ x y)) (log (- (* x x) (* y y)))) (log (+ x y)))
  (- (log (* (+ x y) (- (* x x) (* y y)))) (log (+ x y)))
  (log (/ (* (+ x y) (- (* x x) (* y y))) (+ x y)))
  (exp (/ (* (+ x y) (- (* x x) (* y y))) (+ x y)))
  (/ (* (* (* (+ x y) (+ x y)) (+ x y)) (* (* (- (* x x) (* y y)) (- (* x x) (* y y))) (- (* x x) (* y y)))) (* (* (+ x y) (+ x y)) (+ x y)))
  (/ (* (* (* (+ x y) (- (* x x) (* y y))) (* (+ x y) (- (* x x) (* y y)))) (* (+ x y) (- (* x x) (* y y)))) (* (* (+ x y) (+ x y)) (+ x y)))
  (* (cbrt (/ (* (+ x y) (- (* x x) (* y y))) (+ x y))) (cbrt (/ (* (+ x y) (- (* x x) (* y y))) (+ x y))))
  (cbrt (/ (* (+ x y) (- (* x x) (* y y))) (+ x y)))
  (* (* (/ (* (+ x y) (- (* x x) (* y y))) (+ x y)) (/ (* (+ x y) (- (* x x) (* y y))) (+ x y))) (/ (* (+ x y) (- (* x x) (* y y))) (+ x y)))
  (sqrt (/ (* (+ x y) (- (* x x) (* y y))) (+ x y)))
  (sqrt (/ (* (+ x y) (- (* x x) (* y y))) (+ x y)))
  (- (* (+ x y) (- (* x x) (* y y))))
  (- (+ x y))
  (/ (+ x y) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (- (* x x) (* y y)) (cbrt (+ x y)))
  (/ (+ x y) (sqrt (+ x y)))
  (/ (- (* x x) (* y y)) (sqrt (+ x y)))
  (/ (+ x y) 1)
  (/ (- (* x x) (* y y)) (+ x y))
  (/ (+ x y) 1)
  (/ (- (* x x) (* y y)) (+ x y))
  (/ 1 (+ x y))
  (/ (+ x y) (* (+ x y) (- (* x x) (* y y))))
  (/ (* (+ x y) (- (* x x) (* y y))) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (* (+ x y) (- (* x x) (* y y))) (sqrt (+ x y)))
  (/ (* (+ x y) (- (* x x) (* y y))) 1)
  (/ (* (+ x y) (- (* x x) (* y y))) 1)
  (/ (+ x y) (- (* x x) (* y y)))
  (/ (* (+ x y) (- (* x x) (* y y))) (+ (pow x 3) (pow y 3)))
  (/ (* (+ x y) (- (* x x) (* y y))) (- (* x x) (* y y)))
  (* (+ x y) (* (+ (* x x) (- (* y y) (* x y))) (+ (* (* x x) (* x x)) (+ (* (* y y) (* y y)) (* (* x x) (* y y))))))
  (* (+ x y) (* (+ (* x x) (- (* y y) (* x y))) (+ (* x x) (* y y))))
  (* (+ x y) (* (- x y) (+ (* (* x x) (* x x)) (+ (* (* y y) (* y y)) (* (* x x) (* y y))))))
  (* (+ x y) (* (- x y) (+ (* x x) (* y y))))
  (* (+ x y) (+ (* (* x x) (* x x)) (+ (* (* y y) (* y y)) (* (* x x) (* y y)))))
  (* (+ x y) (+ (* x x) (* y y)))
  (* (+ x y) (+ (* x x) (- (* y y) (* x y))))
  (* (+ x y) (- x y))
  (expm1 (* (+ x y) (- (* x x) (* y y))))
  (log1p (* (+ x y) (- (* x x) (* y y))))
  (* (+ x y) (- (* x x) (* y y)))
  (+ (log (+ x y)) (log (- (* x x) (* y y))))
  (log (* (+ x y) (- (* x x) (* y y))))
  (exp (* (+ x y) (- (* x x) (* y y))))
  (* (* (* (+ x y) (+ x y)) (+ x y)) (* (* (- (* x x) (* y y)) (- (* x x) (* y y))) (- (* x x) (* y y))))
  (* (cbrt (* (+ x y) (- (* x x) (* y y)))) (cbrt (* (+ x y) (- (* x x) (* y y)))))
  (cbrt (* (+ x y) (- (* x x) (* y y))))
  (* (* (* (+ x y) (- (* x x) (* y y))) (* (+ x y) (- (* x x) (* y y)))) (* (+ x y) (- (* x x) (* y y))))
  (sqrt (* (+ x y) (- (* x x) (* y y))))
  (sqrt (* (+ x y) (- (* x x) (* y y))))
  (* (+ (pow x 3) (pow y 3)) (- (pow (* x x) 3) (pow (* y y) 3)))
  (* (+ (* x x) (- (* y y) (* x y))) (+ (* (* x x) (* x x)) (+ (* (* y y) (* y y)) (* (* x x) (* y y)))))
  (* (+ (pow x 3) (pow y 3)) (- (* (* x x) (* x x)) (* (* y y) (* y y))))
  (* (+ (* x x) (- (* y y) (* x y))) (+ (* x x) (* y y)))
  (* (- (* x x) (* y y)) (- (pow (* x x) 3) (pow (* y y) 3)))
  (* (- x y) (+ (* (* x x) (* x x)) (+ (* (* y y) (* y y)) (* (* x x) (* y y)))))
  (* (- (* x x) (* y y)) (- (* (* x x) (* x x)) (* (* y y) (* y y))))
  (* (- x y) (+ (* x x) (* y y)))
  (* (sqrt (+ x y)) (sqrt (- (* x x) (* y y))))
  (* (sqrt (+ x y)) (sqrt (- (* x x) (* y y))))
  (* (+ x y) (fma x x (- (* y y))))
  (* (+ x y) (fma (- y) y (* y y)))
  (* (+ x y) (* x x))
  (* (+ x y) (- (* y y)))
  (* (+ x y) (* x x))
  (* (+ x y) (- (* y y)))
  (* (fma x x (- (* y y))) (+ x y))
  (* (fma (- y) y (* y y)) (+ x y))
  (* (* x x) (+ x y))
  (* (- (* y y)) (+ x y))
  (* (* x x) (+ x y))
  (* (- (* y y)) (+ x y))
  (* (+ x y) (* (cbrt (- (* x x) (* y y))) (cbrt (- (* x x) (* y y)))))
  (* (+ x y) (sqrt (- (* x x) (* y y))))
  (* (+ x y) 1)
  (* (+ x y) (+ x y))
  (* (cbrt (+ x y)) (- (* x x) (* y y)))
  (* (sqrt (+ x y)) (- (* x x) (* y y)))
  (* (+ x y) (- (* x x) (* y y)))
  (* (+ x y) (- (* x x) (* y y)))
  (* (+ x y) (- (pow (* x x) 3) (pow (* y y) 3)))
  (* (+ x y) (- (* (* x x) (* x x)) (* (* y y) (* y y))))
  (* (+ (pow x 3) (pow y 3)) (- (* x x) (* y y)))
  (* (- (* x x) (* y y)) (- (* x x) (* y y)))
  (- (pow x 2) (pow y 2))
  (- (pow x 2) (pow y 2))
  (- (pow x 2) (pow y 2))
  (- (+ (* (pow x 2) y) (pow x 3)) (* x (pow y 2)))
  (- (* (pow x 2) y) (+ (* x (pow y 2)) (pow y 3)))
  (- (* (pow x 2) y) (+ (* x (pow y 2)) (pow y 3)))
0.361 * * [simplify]: iteration  0 :  399  enodes  (cost  666 )
0.372 * * [simplify]: iteration  1 :  2563  enodes  (cost  519 )
0.433 * * [simplify]: iteration  2 :  5003  enodes  (cost  515 )
0.436 * [simplify]: Simplified to:
   (expm1 (/ (* (+ x y) (- (* x x) (* y y))) (+ x y)))
  (log1p (/ (* (+ x y) (- (* x x) (* y y))) (+ x y)))
  (log (- (* x x) (* y y)))
  (log (- (* x x) (* y y)))
  (log (- (* x x) (* y y)))
  (exp (- (* x x) (* y y)))
  (pow (- (* x x) (* y y)) 3)
  (pow (- (* x x) (* y y)) 3)
  (* (cbrt (- (* x x) (* y y))) (cbrt (- (* x x) (* y y))))
  (cbrt (- (* x x) (* y y)))
  (pow (- (* x x) (* y y)) 3)
  (sqrt (- (* x x) (* y y)))
  (sqrt (- (* x x) (* y y)))
  (- (* (+ x y) (- (* x x) (* y y))))
  (- (+ x y))
  (/ (+ x y) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (- (* x x) (* y y)) (cbrt (+ x y)))
  (/ (+ x y) (sqrt (+ x y)))
  (/ (- (* x x) (* y y)) (sqrt (+ x y)))
  (+ x y)
  (/ (- x y) 1)
  (+ x y)
  (/ (- x y) 1)
  (/ 1 (+ x y))
  (/ (/ 1 (+ x y)) (- x y))
  (/ (* (+ x y) (- (* x x) (* y y))) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (/ (* (+ x y) (- (* x x) (* y y))) (sqrt (+ x y)))
  (* (fma x x (- (* y y))) (+ x y))
  (* (fma x x (- (* y y))) (+ x y))
  (/ 1 (- x y))
  (/ (* (+ x y) (- (* x x) (* y y))) (+ (pow x 3) (pow y 3)))
  (+ x y)
  (* (* (+ x y) (fma (pow x 3) x (* (pow y 2) (+ (pow y 2) (pow x 2))))) (fma y (- y x) (pow x 2)))
  (* (* (fma x x (* y y)) (+ x y)) (fma y (- y x) (pow x 2)))
  (* (- (* x x) (* y y)) (fma (pow x 3) x (* (pow y 2) (+ (pow y 2) (pow x 2)))))
  (fma (- (pow y 3)) y (pow x 4))
  (* (+ x y) (fma (pow x 3) x (* (pow y 2) (+ (pow y 2) (pow x 2)))))
  (* (fma x x (* y y)) (+ x y))
  (* (+ x y) (fma y (- y x) (pow x 2)))
  (- (* x x) (* y y))
  (expm1 (* (+ x y) (- (* x x) (* y y))))
  (log1p (* (+ x y) (- (* x x) (* y y))))
  (* (fma x x (- (* y y))) (+ x y))
  (log (* (+ x y) (- (* x x) (* y y))))
  (log (* (+ x y) (- (* x x) (* y y))))
  (exp (* (+ x y) (- (* x x) (* y y))))
  (pow (* (fma x x (- (* y y))) (+ x y)) 3)
  (* (cbrt (* (+ x y) (- (* x x) (* y y)))) (cbrt (* (+ x y) (- (* x x) (* y y)))))
  (cbrt (* (+ x y) (- (* x x) (* y y))))
  (pow (* (fma x x (- (* y y))) (+ x y)) 3)
  (sqrt (* (+ x y) (- (* x x) (* y y))))
  (sqrt (* (+ x y) (- (* x x) (* y y))))
  (* (+ (pow x 3) (pow y 3)) (- (pow (* x x) 3) (pow (* y y) 3)))
  (fma (pow x 4) (fma y (- y x) (pow x 2)) (* (* (fma y (- y x) (pow x 2)) (pow y 2)) (fma x x (* y y))))
  (* (* (fma x x (* y y)) (- (* x x) (* y y))) (+ (pow x 3) (pow y 3)))
  (* (fma x x (* y y)) (fma x x (- (* y y) (* x y))))
  (* (- (* x x) (* y y)) (- (pow (* x x) 3) (pow (* y y) 3)))
  (fma (pow x 4) (- x y) (* (* (- x y) (pow y 2)) (fma x x (* y y))))
  (* (* (fma x x (* y y)) (- (* x x) (* y y))) (- (* x x) (* y y)))
  (* (fma x x (* y y)) (- x y))
  (* (sqrt (+ x y)) (sqrt (- (* x x) (* y y))))
  (* (sqrt (+ x y)) (sqrt (- (* x x) (* y y))))
  (* (fma x x (- (* y y))) (+ x y))
  (* (fma (- y) y (* y y)) (+ x y))
  (* (* x x) (+ x y))
  (* (- (* y y)) (+ x y))
  (* (* x x) (+ x y))
  (* (- (* y y)) (+ x y))
  (* (fma x x (- (* y y))) (+ x y))
  (* (fma (- y) y (* y y)) (+ x y))
  (* (* x x) (+ x y))
  (* (- (* y y)) (+ x y))
  (* (* x x) (+ x y))
  (* (- (* y y)) (+ x y))
  (* (+ x y) (* (cbrt (- (* x x) (* y y))) (cbrt (- (* x x) (* y y)))))
  (* (+ x y) (sqrt (- (* x x) (* y y))))
  (+ x y)
  (* (+ x y) (+ x y))
  (* (cbrt (+ x y)) (- (* x x) (* y y)))
  (* (sqrt (+ x y)) (- (* x x) (* y y)))
  (* (fma x x (- (* y y))) (+ x y))
  (* (fma x x (- (* y y))) (+ x y))
  (* (+ x y) (- (pow (* x x) 3) (pow (* y y) 3)))
  (* (* (fma x x (* y y)) (- (* x x) (* y y))) (+ x y))
  (* (+ (pow x 3) (pow y 3)) (- (* x x) (* y y)))
  (* (- (* x x) (* y y)) (- (* x x) (* y y)))
  (- (* x x) (* y y))
  (- (* x x) (* y y))
  (- (* x x) (* y y))
  (* x (- (* x (+ x y)) (pow y 2)))
  (fma (pow x 2) y (- (fma x (pow y 2) (pow y 3))))
  (fma (pow x 2) y (- (fma x (pow y 2) (pow y 3))))
0.437 * * * [progress]: adding candidates to table
0.591 * [progress]: [Phase 3 of 3] Extracting.
0.591 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (/ (* (+ x y) (- (* x x) (* y y))) (+ x y)))> #<alt (λ (x y) (* (+ x y) (- x y)))>)
0.591 * * * [regime-changes]: Trying 3 branch expressions: ((* (+ x y) (- x y)) y x)
0.591 * * * * [regimes]: Trying to branch on (* (+ x y) (- x y)) from (#<alt (λ (x y) (/ (* (+ x y) (- (* x x) (* y y))) (+ x y)))> #<alt (λ (x y) (* (+ x y) (- x y)))>)
0.602 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (/ (* (+ x y) (- (* x x) (* y y))) (+ x y)))> #<alt (λ (x y) (* (+ x y) (- x y)))>)
0.613 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (/ (* (+ x y) (- (* x x) (* y y))) (+ x y)))> #<alt (λ (x y) (* (+ x y) (- x y)))>)
0.626 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
0.627 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (+ x y) (- x y))
0.627 * * [simplify]: iteration  0 :  7  enodes  (cost  3 )
0.628 * * [simplify]: iteration  1 :  7  enodes  (cost  3 )
0.628 * [simplify]: Simplified to:
   (* (+ x y) (- x y))
1.164 * [regime-testing]: Baseline error score: 0.0011251406425803225
1.165 * [regime-testing]: Oracle error score: 0.0005000625078134767
1.166 * [regime-testing]: End program error score: 0.0011251406425803225