Gurobi 5.0.1 (linux64) logging started Tue Dec 25 15:24:02 2012

Optimize a model with 482 rows, 441 columns and 2754 nonzeros
Presolve removed 63 rows and 98 columns
Presolve time: 0.02s
Presolved: 419 rows, 343 columns, 3913 nonzeros
Variable types: 20 continuous, 323 integer (323 binary)

Root relaxation: objective 2.673196e+02, 117 iterations, 0.00 seconds

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0  267.31955    0   47          -  267.31955     -      -    0s
     0     0  275.27979    0   35          -  275.27979     -      -    0s
     0     0  275.70948    0   40          -  275.70948     -      -    0s
     0     0  275.70993    0   39          -  275.70993     -      -    0s
     0     0  275.90001    0   38          -  275.90001     -      -    0s
     0     0  275.90673    0   43          -  275.90673     -      -    0s
     0     0  275.96429    0   35          -  275.96429     -      -    0s
     0     0  276.26088    0   36          -  276.26088     -      -    0s
     0     0  276.26088    0   36          -  276.26088     -      -    0s
     0     0  276.26088    0   36          -  276.26088     -      -    0s
     0     2  276.28188    0   36          -  276.28188     -      -    0s
*   94    41               3     312.0000000  278.65772  10.7%   9.6    0s
*   95    40               3     310.0000000  278.65772  10.1%   9.5    0s
*  193    92              26     309.0000000  283.00000  8.41%   8.7    0s
H  606   239                     303.0000000  287.27660  5.19%   6.8    0s

Cutting planes:
  Learned: 6
  Gomory: 4
  Cover: 10
  Implied bound: 3
  Clique: 3
  MIR: 35
  GUB cover: 5
  Zero half: 46

Explored 2441 nodes (21876 simplex iterations) in 2.66 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.030000000000e+02, best bound 3.030000000000e+02, gap 0.0%