0.527 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.027 * * * [progress]: [2/2] Setting up program.
0.028 * [progress]: [Phase 2 of 3] Improving.
0.029 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* 2.0 (- (* x x) (* x y)))
0.029 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
0.030 * * [simplify]: iteration  1 :  13  enodes  (cost  7 )
0.032 * * [simplify]: iteration  2 :  32  enodes  (cost  7 )
0.036 * * [simplify]: iteration  3 :  58  enodes  (cost  7 )
0.044 * * [simplify]: iteration  4 :  75  enodes  (cost  7 )
0.054 * * [simplify]: iteration  5 :  84  enodes  (cost  7 )
0.070 * * [simplify]: iteration  done :  84  enodes  (cost  7 )
0.070 * [simplify]: Simplified to:
   (* (* x (- x y)) 2.0)
0.073 * * [progress]: iteration 1 / 4
0.073 * * * [progress]: picking best candidate
0.074 * * * * [pick]: Picked  #<alt (λ (x y) (* (* x (- x y)) 2.0))>
0.074 * * * [progress]: localizing error
0.078 * * * [progress]: generating rewritten candidates
0.079 * * * * [progress]: [ 1 / 2 ] rewriting at (2 1)
0.088 * * * * [progress]: [ 2 / 2 ] rewriting at (2)
0.103 * * * [progress]: generating series expansions
0.103 * * * * [progress]: [ 1 / 2 ] generating series at (2 1)
0.103 * [approximate]: Taking taylor expansion of (* x (- x y)) in (x y) around 0
0.103 * [taylor]: Taking taylor expansion of (* x (- x y)) in y
0.103 * [taylor]: Taking taylor expansion of x in y
0.103 * [taylor]: Taking taylor expansion of (- x y) in y
0.103 * [taylor]: Taking taylor expansion of x in y
0.103 * [taylor]: Taking taylor expansion of y in y
0.103 * [taylor]: Taking taylor expansion of (* x (- x y)) in x
0.103 * [taylor]: Taking taylor expansion of x in x
0.103 * [taylor]: Taking taylor expansion of (- x y) in x
0.103 * [taylor]: Taking taylor expansion of x in x
0.103 * [taylor]: Taking taylor expansion of y in x
0.103 * [taylor]: Taking taylor expansion of (* x (- x y)) in x
0.103 * [taylor]: Taking taylor expansion of x in x
0.103 * [taylor]: Taking taylor expansion of (- x y) in x
0.103 * [taylor]: Taking taylor expansion of x in x
0.103 * [taylor]: Taking taylor expansion of y in x
0.103 * [taylor]: Taking taylor expansion of 0 in y
0.104 * [taylor]: Taking taylor expansion of (- y) in y
0.104 * [taylor]: Taking taylor expansion of y in y
0.106 * [taylor]: Taking taylor expansion of 1 in y
0.107 * [taylor]: Taking taylor expansion of 0 in y
0.109 * [taylor]: Taking taylor expansion of 0 in y
0.109 * [approximate]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) x) in (x y) around 0
0.109 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) x) in y
0.109 * [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 x in y
0.111 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) 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 x in x
0.112 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) x) in x
0.112 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.112 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.112 * [taylor]: Taking taylor expansion of x in x
0.112 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.112 * [taylor]: Taking taylor expansion of y in x
0.112 * [taylor]: Taking taylor expansion of x in x
0.113 * [taylor]: Taking taylor expansion of 1 in y
0.113 * [taylor]: Taking taylor expansion of (- (/ 1 y)) in y
0.114 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.114 * [taylor]: Taking taylor expansion of y in y
0.116 * [taylor]: Taking taylor expansion of 0 in y
0.119 * [taylor]: Taking taylor expansion of 0 in y
0.122 * [taylor]: Taking taylor expansion of 0 in y
0.123 * [approximate]: Taking taylor expansion of (* -1 (/ (- (/ 1 y) (/ 1 x)) x)) in (x y) around 0
0.123 * [taylor]: Taking taylor expansion of (* -1 (/ (- (/ 1 y) (/ 1 x)) x)) in y
0.123 * [taylor]: Taking taylor expansion of -1 in y
0.123 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 x)) x) in y
0.123 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.123 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.123 * [taylor]: Taking taylor expansion of y in y
0.123 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.123 * [taylor]: Taking taylor expansion of x in y
0.123 * [taylor]: Taking taylor expansion of x in y
0.123 * [taylor]: Taking taylor expansion of (* -1 (/ (- (/ 1 y) (/ 1 x)) x)) in x
0.123 * [taylor]: Taking taylor expansion of -1 in x
0.123 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 x)) x) in x
0.123 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.123 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.123 * [taylor]: Taking taylor expansion of y in x
0.123 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.123 * [taylor]: Taking taylor expansion of x in x
0.124 * [taylor]: Taking taylor expansion of x in x
0.125 * [taylor]: Taking taylor expansion of (* -1 (/ (- (/ 1 y) (/ 1 x)) x)) in x
0.125 * [taylor]: Taking taylor expansion of -1 in x
0.125 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 x)) 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 x in x
0.126 * [taylor]: Taking taylor expansion of 1 in y
0.128 * [taylor]: Taking taylor expansion of (- (/ 1 y)) in y
0.128 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.128 * [taylor]: Taking taylor expansion of y in y
0.134 * [taylor]: Taking taylor expansion of 0 in y
0.137 * [taylor]: Taking taylor expansion of 0 in y
0.142 * [taylor]: Taking taylor expansion of 0 in y
0.142 * * * * [progress]: [ 2 / 2 ] generating series at (2)
0.142 * [approximate]: Taking taylor expansion of (* 2.0 (* x (- x y))) in (x y) around 0
0.142 * [taylor]: Taking taylor expansion of (* 2.0 (* x (- x y))) in y
0.142 * [taylor]: Taking taylor expansion of 2.0 in y
0.142 * [taylor]: Taking taylor expansion of (* x (- x y)) in y
0.142 * [taylor]: Taking taylor expansion of x in y
0.142 * [taylor]: Taking taylor expansion of (- x y) in y
0.142 * [taylor]: Taking taylor expansion of x in y
0.142 * [taylor]: Taking taylor expansion of y in y
0.142 * [taylor]: Taking taylor expansion of (* 2.0 (* x (- x y))) in x
0.142 * [taylor]: Taking taylor expansion of 2.0 in x
0.142 * [taylor]: Taking taylor expansion of (* x (- x y)) in x
0.142 * [taylor]: Taking taylor expansion of x in x
0.142 * [taylor]: Taking taylor expansion of (- x y) in x
0.142 * [taylor]: Taking taylor expansion of x in x
0.142 * [taylor]: Taking taylor expansion of y in x
0.142 * [taylor]: Taking taylor expansion of (* 2.0 (* x (- x y))) in x
0.143 * [taylor]: Taking taylor expansion of 2.0 in x
0.143 * [taylor]: Taking taylor expansion of (* x (- x y)) in x
0.143 * [taylor]: Taking taylor expansion of x in x
0.143 * [taylor]: Taking taylor expansion of (- x y) in x
0.143 * [taylor]: Taking taylor expansion of x in x
0.143 * [taylor]: Taking taylor expansion of y in x
0.143 * [taylor]: Taking taylor expansion of 0 in y
0.144 * [taylor]: Taking taylor expansion of (- (* 2.0 y)) in y
0.144 * [taylor]: Taking taylor expansion of (* 2.0 y) in y
0.144 * [taylor]: Taking taylor expansion of 2.0 in y
0.144 * [taylor]: Taking taylor expansion of y in y
0.146 * [taylor]: Taking taylor expansion of 2.0 in y
0.149 * [taylor]: Taking taylor expansion of 0 in y
0.153 * [taylor]: Taking taylor expansion of 0 in y
0.153 * [approximate]: Taking taylor expansion of (* 2.0 (/ (- (/ 1 x) (/ 1 y)) x)) in (x y) around 0
0.153 * [taylor]: Taking taylor expansion of (* 2.0 (/ (- (/ 1 x) (/ 1 y)) x)) in y
0.153 * [taylor]: Taking taylor expansion of 2.0 in y
0.153 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) x) in y
0.153 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.153 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.153 * [taylor]: Taking taylor expansion of x in y
0.153 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.153 * [taylor]: Taking taylor expansion of y in y
0.154 * [taylor]: Taking taylor expansion of x in y
0.154 * [taylor]: Taking taylor expansion of (* 2.0 (/ (- (/ 1 x) (/ 1 y)) x)) in x
0.154 * [taylor]: Taking taylor expansion of 2.0 in x
0.154 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) x) in x
0.154 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.154 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.154 * [taylor]: Taking taylor expansion of x in x
0.155 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.155 * [taylor]: Taking taylor expansion of y in x
0.155 * [taylor]: Taking taylor expansion of x in x
0.155 * [taylor]: Taking taylor expansion of (* 2.0 (/ (- (/ 1 x) (/ 1 y)) x)) in x
0.155 * [taylor]: Taking taylor expansion of 2.0 in x
0.155 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) x) in x
0.155 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.155 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.155 * [taylor]: Taking taylor expansion of x in x
0.155 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.155 * [taylor]: Taking taylor expansion of y in x
0.156 * [taylor]: Taking taylor expansion of x in x
0.156 * [taylor]: Taking taylor expansion of 2.0 in y
0.158 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 y))) in y
0.158 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.158 * [taylor]: Taking taylor expansion of 2.0 in y
0.158 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.158 * [taylor]: Taking taylor expansion of y in y
0.161 * [taylor]: Taking taylor expansion of 0 in y
0.165 * [taylor]: Taking taylor expansion of 0 in y
0.170 * [taylor]: Taking taylor expansion of 0 in y
0.171 * [approximate]: Taking taylor expansion of (* -2.0 (/ (- (/ 1 y) (/ 1 x)) x)) in (x y) around 0
0.171 * [taylor]: Taking taylor expansion of (* -2.0 (/ (- (/ 1 y) (/ 1 x)) x)) in y
0.171 * [taylor]: Taking taylor expansion of -2.0 in y
0.171 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 x)) x) in y
0.171 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.171 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.171 * [taylor]: Taking taylor expansion of y in y
0.171 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.171 * [taylor]: Taking taylor expansion of x in y
0.171 * [taylor]: Taking taylor expansion of x in y
0.172 * [taylor]: Taking taylor expansion of (* -2.0 (/ (- (/ 1 y) (/ 1 x)) x)) in x
0.172 * [taylor]: Taking taylor expansion of -2.0 in x
0.172 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 x)) x) in x
0.172 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.172 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.172 * [taylor]: Taking taylor expansion of y in x
0.172 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.172 * [taylor]: Taking taylor expansion of x in x
0.172 * [taylor]: Taking taylor expansion of x in x
0.173 * [taylor]: Taking taylor expansion of (* -2.0 (/ (- (/ 1 y) (/ 1 x)) x)) in x
0.173 * [taylor]: Taking taylor expansion of -2.0 in x
0.173 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 x)) x) in x
0.173 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.173 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.173 * [taylor]: Taking taylor expansion of y in x
0.173 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.173 * [taylor]: Taking taylor expansion of x in x
0.173 * [taylor]: Taking taylor expansion of x in x
0.175 * [taylor]: Taking taylor expansion of 2.0 in y
0.177 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 y))) in y
0.177 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.177 * [taylor]: Taking taylor expansion of 2.0 in y
0.177 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.177 * [taylor]: Taking taylor expansion of y in y
0.180 * [taylor]: Taking taylor expansion of 0 in y
0.184 * [taylor]: Taking taylor expansion of 0 in y
0.189 * [taylor]: Taking taylor expansion of 0 in y
0.190 * * * [progress]: simplifying candidates
0.191 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* 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 x)
  (* x (- y))
  (* x x)
  (* x (- y))
  (* 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)))
  (* (* 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)))
0.193 * * [simplify]: iteration  0 :  77  enodes  (cost  462 )
0.205 * * [simplify]: iteration  1 :  196  enodes  (cost  442 )
0.245 * * [simplify]: iteration  2 :  692  enodes  (cost  372 )