0.452 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.015 * * * [progress]: [2/2] Setting up program.
0.022 * [progress]: [Phase 2 of 3] Improving.
0.023 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* 2.0 (- (* x x) (* x y)))
0.024 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
0.025 * * [simplify]: iteration  1 :  14  enodes  (cost  7 )
0.027 * * [simplify]: iteration  2 :  33  enodes  (cost  7 )
0.031 * * [simplify]: iteration  3 :  65  enodes  (cost  7 )
0.040 * * [simplify]: iteration  4 :  95  enodes  (cost  7 )
0.053 * * [simplify]: iteration  5 :  110  enodes  (cost  7 )
0.067 * * [simplify]: iteration  6 :  112  enodes  (cost  7 )
0.084 * * [simplify]: iteration  done :  112  enodes  (cost  7 )
0.084 * [simplify]: Simplified to:
   (* (* x (- x y)) 2.0)
0.086 * * [progress]: iteration 1 / 4
0.086 * * * [progress]: picking best candidate
0.088 * * * * [pick]: Picked  #<alt (λ (x y) (* (* x (- x y)) 2.0))>
0.088 * * * [progress]: localizing error
0.092 * * * [progress]: generating rewritten candidates
0.092 * * * * [progress]: [ 1 / 2 ] rewriting at (2 1)
0.105 * * * * [progress]: [ 2 / 2 ] rewriting at (2)
0.122 * * * [progress]: generating series expansions
0.122 * * * * [progress]: [ 1 / 2 ] generating series at (2 1)
0.122 * [approximate]: Taking taylor expansion of (* x (- x y)) in (x y) around 0
0.122 * [taylor]: Taking taylor expansion of (* x (- x y)) in y
0.123 * [taylor]: Taking taylor expansion of x in y
0.123 * [taylor]: Taking taylor expansion of (- x y) in y
0.123 * [taylor]: Taking taylor expansion of x in y
0.123 * [taylor]: Taking taylor expansion of y in y
0.123 * [taylor]: Taking taylor expansion of (* x (- x y)) in x
0.123 * [taylor]: Taking taylor expansion of x in x
0.123 * [taylor]: Taking taylor expansion of (- x y) in x
0.123 * [taylor]: Taking taylor expansion of x in x
0.123 * [taylor]: Taking taylor expansion of y in x
0.123 * [taylor]: Taking taylor expansion of (* x (- x y)) in x
0.123 * [taylor]: Taking taylor expansion of x in x
0.123 * [taylor]: Taking taylor expansion of (- x y) in x
0.123 * [taylor]: Taking taylor expansion of x in x
0.123 * [taylor]: Taking taylor expansion of y in x
0.123 * [taylor]: Taking taylor expansion of 0 in y
0.124 * [taylor]: Taking taylor expansion of (- y) in y
0.124 * [taylor]: Taking taylor expansion of y in y
0.125 * [taylor]: Taking taylor expansion of 1 in y
0.127 * [taylor]: Taking taylor expansion of 0 in y
0.129 * [taylor]: Taking taylor expansion of 0 in y
0.129 * [approximate]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) x) in (x y) around 0
0.129 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) x) in y
0.129 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.129 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.129 * [taylor]: Taking taylor expansion of x in y
0.129 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.129 * [taylor]: Taking taylor expansion of y in y
0.130 * [taylor]: Taking taylor expansion of x in y
0.130 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) x) in x
0.130 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.130 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.130 * [taylor]: Taking taylor expansion of x in x
0.130 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.130 * [taylor]: Taking taylor expansion of y in x
0.131 * [taylor]: Taking taylor expansion of x in x
0.131 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) x) in x
0.131 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.131 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.131 * [taylor]: Taking taylor expansion of x in x
0.131 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.131 * [taylor]: Taking taylor expansion of y in x
0.131 * [taylor]: Taking taylor expansion of x in x
0.132 * [taylor]: Taking taylor expansion of 1 in y
0.133 * [taylor]: Taking taylor expansion of (- (/ 1 y)) in y
0.133 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.133 * [taylor]: Taking taylor expansion of y in y
0.136 * [taylor]: Taking taylor expansion of 0 in y
0.138 * [taylor]: Taking taylor expansion of 0 in y
0.142 * [taylor]: Taking taylor expansion of 0 in y
0.142 * [approximate]: Taking taylor expansion of (* -1 (/ (- (/ 1 y) (/ 1 x)) x)) in (x y) around 0
0.142 * [taylor]: Taking taylor expansion of (* -1 (/ (- (/ 1 y) (/ 1 x)) x)) in y
0.142 * [taylor]: Taking taylor expansion of -1 in y
0.142 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 x)) x) in y
0.142 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.142 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.142 * [taylor]: Taking taylor expansion of y in y
0.143 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.143 * [taylor]: Taking taylor expansion of x in y
0.143 * [taylor]: Taking taylor expansion of x in y
0.146 * [taylor]: Taking taylor expansion of (* -1 (/ (- (/ 1 y) (/ 1 x)) x)) in x
0.146 * [taylor]: Taking taylor expansion of -1 in x
0.146 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 x)) x) in x
0.146 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.146 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.146 * [taylor]: Taking taylor expansion of y in x
0.146 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.146 * [taylor]: Taking taylor expansion of x in x
0.147 * [taylor]: Taking taylor expansion of x in x
0.148 * [taylor]: Taking taylor expansion of (* -1 (/ (- (/ 1 y) (/ 1 x)) x)) in x
0.148 * [taylor]: Taking taylor expansion of -1 in x
0.148 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 x)) x) in x
0.148 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.148 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.148 * [taylor]: Taking taylor expansion of y in x
0.148 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.148 * [taylor]: Taking taylor expansion of x in x
0.148 * [taylor]: Taking taylor expansion of x in x
0.149 * [taylor]: Taking taylor expansion of 1 in y
0.151 * [taylor]: Taking taylor expansion of (- (/ 1 y)) in y
0.151 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.151 * [taylor]: Taking taylor expansion of y in y
0.154 * [taylor]: Taking taylor expansion of 0 in y
0.158 * [taylor]: Taking taylor expansion of 0 in y
0.162 * [taylor]: Taking taylor expansion of 0 in y
0.163 * * * * [progress]: [ 2 / 2 ] generating series at (2)
0.163 * [approximate]: Taking taylor expansion of (* 2.0 (* x (- x y))) in (x y) around 0
0.163 * [taylor]: Taking taylor expansion of (* 2.0 (* x (- x y))) in y
0.163 * [taylor]: Taking taylor expansion of 2.0 in y
0.163 * [taylor]: Taking taylor expansion of (* x (- x y)) in y
0.163 * [taylor]: Taking taylor expansion of x in y
0.163 * [taylor]: Taking taylor expansion of (- x y) in y
0.163 * [taylor]: Taking taylor expansion of x in y
0.163 * [taylor]: Taking taylor expansion of y in y
0.163 * [taylor]: Taking taylor expansion of (* 2.0 (* x (- x y))) in x
0.163 * [taylor]: Taking taylor expansion of 2.0 in x
0.163 * [taylor]: Taking taylor expansion of (* x (- x y)) in x
0.163 * [taylor]: Taking taylor expansion of x in x
0.163 * [taylor]: Taking taylor expansion of (- x y) in x
0.163 * [taylor]: Taking taylor expansion of x in x
0.163 * [taylor]: Taking taylor expansion of y in x
0.163 * [taylor]: Taking taylor expansion of (* 2.0 (* x (- x y))) in x
0.163 * [taylor]: Taking taylor expansion of 2.0 in x
0.163 * [taylor]: Taking taylor expansion of (* x (- x y)) in x
0.163 * [taylor]: Taking taylor expansion of x in x
0.163 * [taylor]: Taking taylor expansion of (- x y) in x
0.163 * [taylor]: Taking taylor expansion of x in x
0.163 * [taylor]: Taking taylor expansion of y in x
0.163 * [taylor]: Taking taylor expansion of 0 in y
0.165 * [taylor]: Taking taylor expansion of (- (* 2.0 y)) in y
0.165 * [taylor]: Taking taylor expansion of (* 2.0 y) in y
0.165 * [taylor]: Taking taylor expansion of 2.0 in y
0.165 * [taylor]: Taking taylor expansion of y in y
0.167 * [taylor]: Taking taylor expansion of 2.0 in y
0.170 * [taylor]: Taking taylor expansion of 0 in y
0.174 * [taylor]: Taking taylor expansion of 0 in y
0.174 * [approximate]: Taking taylor expansion of (* 2.0 (/ (- (/ 1 x) (/ 1 y)) x)) in (x y) around 0
0.174 * [taylor]: Taking taylor expansion of (* 2.0 (/ (- (/ 1 x) (/ 1 y)) x)) in y
0.174 * [taylor]: Taking taylor expansion of 2.0 in y
0.174 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) x) in y
0.174 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.175 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.175 * [taylor]: Taking taylor expansion of x in y
0.175 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.175 * [taylor]: Taking taylor expansion of y in y
0.175 * [taylor]: Taking taylor expansion of x in y
0.175 * [taylor]: Taking taylor expansion of (* 2.0 (/ (- (/ 1 x) (/ 1 y)) x)) in x
0.175 * [taylor]: Taking taylor expansion of 2.0 in x
0.175 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) x) in x
0.175 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.175 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.175 * [taylor]: Taking taylor expansion of x in x
0.176 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.176 * [taylor]: Taking taylor expansion of y in x
0.176 * [taylor]: Taking taylor expansion of x in x
0.176 * [taylor]: Taking taylor expansion of (* 2.0 (/ (- (/ 1 x) (/ 1 y)) x)) in x
0.176 * [taylor]: Taking taylor expansion of 2.0 in x
0.176 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) x) in x
0.176 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.176 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.176 * [taylor]: Taking taylor expansion of x in x
0.177 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.177 * [taylor]: Taking taylor expansion of y in x
0.177 * [taylor]: Taking taylor expansion of x in x
0.178 * [taylor]: Taking taylor expansion of 2.0 in y
0.179 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 y))) in y
0.179 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.179 * [taylor]: Taking taylor expansion of 2.0 in y
0.179 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.179 * [taylor]: Taking taylor expansion of y in y
0.182 * [taylor]: Taking taylor expansion of 0 in y
0.187 * [taylor]: Taking taylor expansion of 0 in y
0.192 * [taylor]: Taking taylor expansion of 0 in y
0.192 * [approximate]: Taking taylor expansion of (* -2.0 (/ (- (/ 1 y) (/ 1 x)) x)) in (x y) around 0
0.192 * [taylor]: Taking taylor expansion of (* -2.0 (/ (- (/ 1 y) (/ 1 x)) x)) in y
0.192 * [taylor]: Taking taylor expansion of -2.0 in y
0.192 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 x)) x) in y
0.192 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.192 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.192 * [taylor]: Taking taylor expansion of y in y
0.193 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.193 * [taylor]: Taking taylor expansion of x in y
0.193 * [taylor]: Taking taylor expansion of x in y
0.193 * [taylor]: Taking taylor expansion of (* -2.0 (/ (- (/ 1 y) (/ 1 x)) x)) in x
0.193 * [taylor]: Taking taylor expansion of -2.0 in x
0.193 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 x)) x) in x
0.193 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.193 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.193 * [taylor]: Taking taylor expansion of y in x
0.193 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.193 * [taylor]: Taking taylor expansion of x in x
0.194 * [taylor]: Taking taylor expansion of x in x
0.194 * [taylor]: Taking taylor expansion of (* -2.0 (/ (- (/ 1 y) (/ 1 x)) x)) in x
0.194 * [taylor]: Taking taylor expansion of -2.0 in x
0.194 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 x)) x) in x
0.194 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.194 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.194 * [taylor]: Taking taylor expansion of y in x
0.195 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.195 * [taylor]: Taking taylor expansion of x in x
0.195 * [taylor]: Taking taylor expansion of x in x
0.196 * [taylor]: Taking taylor expansion of 2.0 in y
0.197 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 y))) in y
0.197 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.197 * [taylor]: Taking taylor expansion of 2.0 in y
0.197 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.198 * [taylor]: Taking taylor expansion of y in y
0.201 * [taylor]: Taking taylor expansion of 0 in y
0.205 * [taylor]: Taking taylor expansion of 0 in y
0.210 * [taylor]: Taking taylor expansion of 0 in y
0.211 * * * [progress]: simplifying candidates
0.212 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (* x (- x y)))
  (log1p (* x (- x y)))
  (* x (- x y))
  (+ (log x) (log (- x y)))
  (log (* x (- x y)))
  (exp (* x (- x y)))
  (* (* (* x x) x) (* (* (- x y) (- x y)) (- x y)))
  (* (cbrt (* x (- x y))) (cbrt (* x (- x y))))
  (cbrt (* x (- x y)))
  (* (* (* x (- x y)) (* x (- x y))) (* x (- x y)))
  (sqrt (* x (- x y)))
  (sqrt (* x (- x y)))
  (* (sqrt x) (sqrt (- x y)))
  (* (sqrt x) (sqrt (- x y)))
  (* x (fma (* (cbrt x) (cbrt x)) (cbrt x) (- (* (cbrt y) (* (cbrt y) (cbrt y))))))
  (* x (fma (- (cbrt y)) (* (cbrt y) (cbrt y)) (* (cbrt y) (* (cbrt y) (cbrt y)))))
  (* x (fma (* (cbrt x) (cbrt x)) (cbrt x) (- (* (sqrt y) (sqrt y)))))
  (* x (fma (- (sqrt y)) (sqrt y) (* (sqrt y) (sqrt y))))
  (* x (fma (* (cbrt x) (cbrt x)) (cbrt x) (- (* y 1))))
  (* x (fma (- y) 1 (* y 1)))
  (* x (fma (sqrt x) (sqrt x) (- (* (cbrt y) (* (cbrt y) (cbrt y))))))
  (* x (fma (- (cbrt y)) (* (cbrt y) (cbrt y)) (* (cbrt y) (* (cbrt y) (cbrt y)))))
  (* x (fma (sqrt x) (sqrt x) (- (* (sqrt y) (sqrt y)))))
  (* x (fma (- (sqrt y)) (sqrt y) (* (sqrt y) (sqrt y))))
  (* x (fma (sqrt x) (sqrt x) (- (* y 1))))
  (* x (fma (- y) 1 (* y 1)))
  (* x (fma 1 x (- (* (cbrt y) (* (cbrt y) (cbrt y))))))
  (* x (fma (- (cbrt y)) (* (cbrt y) (cbrt y)) (* (cbrt y) (* (cbrt y) (cbrt y)))))
  (* x (fma 1 x (- (* (sqrt y) (sqrt y)))))
  (* x (fma (- (sqrt y)) (sqrt y) (* (sqrt y) (sqrt y))))
  (* x (fma 1 x (- (* y 1))))
  (* x (fma (- y) 1 (* y 1)))
  (* x x)
  (* x (- y))
  (* x x)
  (* x (- y))
  (* (fma (* (cbrt x) (cbrt x)) (cbrt x) (- (* (cbrt y) (* (cbrt y) (cbrt y))))) x)
  (* (fma (- (cbrt y)) (* (cbrt y) (cbrt y)) (* (cbrt y) (* (cbrt y) (cbrt y)))) x)
  (* (fma (* (cbrt x) (cbrt x)) (cbrt x) (- (* (sqrt y) (sqrt y)))) x)
  (* (fma (- (sqrt y)) (sqrt y) (* (sqrt y) (sqrt y))) x)
  (* (fma (* (cbrt x) (cbrt x)) (cbrt x) (- (* y 1))) x)
  (* (fma (- y) 1 (* y 1)) x)
  (* (fma (sqrt x) (sqrt x) (- (* (cbrt y) (* (cbrt y) (cbrt y))))) x)
  (* (fma (- (cbrt y)) (* (cbrt y) (cbrt y)) (* (cbrt y) (* (cbrt y) (cbrt y)))) x)
  (* (fma (sqrt x) (sqrt x) (- (* (sqrt y) (sqrt y)))) x)
  (* (fma (- (sqrt y)) (sqrt y) (* (sqrt y) (sqrt y))) x)
  (* (fma (sqrt x) (sqrt x) (- (* y 1))) x)
  (* (fma (- y) 1 (* y 1)) x)
  (* (fma 1 x (- (* (cbrt y) (* (cbrt y) (cbrt y))))) x)
  (* (fma (- (cbrt y)) (* (cbrt y) (cbrt y)) (* (cbrt y) (* (cbrt y) (cbrt y)))) x)
  (* (fma 1 x (- (* (sqrt y) (sqrt y)))) x)
  (* (fma (- (sqrt y)) (sqrt y) (* (sqrt y) (sqrt y))) x)
  (* (fma 1 x (- (* y 1))) x)
  (* (fma (- y) 1 (* y 1)) x)
  (* x x)
  (* (- y) x)
  (* x x)
  (* (- y) x)
  (* x (* (cbrt (- x y)) (cbrt (- x y))))
  (* x (sqrt (- x y)))
  (* x 1)
  (* x (+ (sqrt x) (sqrt y)))
  (* x 1)
  (* (cbrt x) (- x y))
  (* (sqrt x) (- x y))
  (* x (- x y))
  (* x (- (pow x 3) (pow y 3)))
  (* x (- (* x x) (* y y)))
  (expm1 (* (* x (- x y)) 2.0))
  (log1p (* (* x (- x y)) 2.0))
  (* (* x (- x y)) 2.0)
  (* (* x (- x y)) 2.0)
  (+ (+ (log x) (log (- x y))) (log 2.0))
  (+ (log (* x (- x y))) (log 2.0))
  (log (* (* x (- x y)) 2.0))
  (exp (* (* x (- x y)) 2.0))
  (* (* (* (* x x) x) (* (* (- x y) (- x y)) (- x y))) (* (* 2.0 2.0) 2.0))
  (* (* (* (* x (- x y)) (* x (- x y))) (* x (- x y))) (* (* 2.0 2.0) 2.0))
  (* (cbrt (* (* x (- x y)) 2.0)) (cbrt (* (* x (- x y)) 2.0)))
  (cbrt (* (* x (- x y)) 2.0))
  (* (* (* (* x (- x y)) 2.0) (* (* x (- x y)) 2.0)) (* (* x (- x y)) 2.0))
  (sqrt (* (* x (- x y)) 2.0))
  (sqrt (* (* x (- x y)) 2.0))
  (* (* x (- x y)) (* (cbrt 2.0) (cbrt 2.0)))
  (* (* x (- x y)) (sqrt 2.0))
  (* (* x (- x y)) 1)
  (* (- x y) 2.0)
  (* (* x (- (pow x 3) (pow y 3))) 2.0)
  (* (* x (- (* x x) (* y y))) 2.0)
  (- (pow x 2) (* x y))
  (- (pow x 2) (* x y))
  (- (pow x 2) (* x y))
  (- (* 2.0 (pow x 2)) (* 2.0 (* x y)))
  (- (* 2.0 (pow x 2)) (* 2.0 (* x y)))
  (- (* 2.0 (pow x 2)) (* 2.0 (* x y)))
0.216 * * [simplify]: iteration  0 :  128  enodes  (cost  982 )