Gurobi 5.0.1 (linux64) logging started Wed Dec 19 14:01:37 2012

Optimize a model with 442 rows, 441 columns and 1950 nonzeros
Presolve removed 257 rows and 219 columns
Presolve time: 0.01s
Presolved: 185 rows, 222 columns, 1652 nonzeros
Variable types: 20 continuous, 202 integer (202 binary)

Root relaxation: objective 2.766343e+02, 62 iterations, 0.00 seconds

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

     0     0  276.63429    0   31          -  276.63429     -      -    0s
     0     0  299.30935    0   26          -  299.30935     -      -    0s
     0     0  299.50000    0   25          -  299.50000     -      -    0s
     0     0  300.00000    0   18          -  300.00000     -      -    0s
     0     0  300.00000    0   18          -  300.00000     -      -    0s
     0     0  300.00000    0   18          -  300.00000     -      -    0s
H    0     0                     350.0000000  300.00000  14.3%     -    0s
     0     2  300.00000    0   18  350.00000  300.00000  14.3%     -    0s
H   57    20                     326.0000000  303.00000  7.06%   9.7    0s
*  154    28              13     323.0000000  307.50543  4.80%  10.5    0s
*  210     7               7     320.0000000  316.58314  1.07%  10.2    0s

Cutting planes:
  Cover: 30
  Implied bound: 20
  Clique: 7
  MIR: 8
  GUB cover: 1

Explored 218 nodes (2332 simplex iterations) in 0.12 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.200000000000e+02, best bound 3.200000000000e+02, gap 0.0%