Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:38:43 2013

Optimize a model with 2951 rows, 676 columns and 9126 nonzeros
Presolve removed 480 rows and 346 columns
Presolve time: 0.02s
Presolved: 2471 rows, 330 columns, 7666 nonzeros
Variable types: 11 continuous, 319 integer (319 binary)
Found heuristic solution: objective 15199.000000
Found heuristic solution: objective 14083.000000

Root relaxation: objective 1.131461e+04, 1251 iterations, 0.03 seconds

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

     0     0 11314.6071    0   12 14083.0000 11314.6071  19.7%     -    0s
H    0     0                    11334.000000 11314.6071  0.17%     -    0s
H    0     0                    11333.000000 11314.6071  0.16%     -    0s
     0     0 11315.0000    0   13 11333.0000 11315.0000  0.16%     -    0s
     0     0 11315.0000    0    9 11333.0000 11315.0000  0.16%     -    0s
H    0     0                    11331.000000 11315.0000  0.14%     -    0s
     0     0 11315.0000    0   13 11331.0000 11315.0000  0.14%     -    0s
H    0     0                    11328.000000 11315.0000  0.11%     -    0s
     0     2 11315.0000    0   10 11328.0000 11315.0000  0.11%     -    0s
H    3     3                    11327.000000 11315.0000  0.11%   1.7    0s
H    5     4                    11325.000000 11315.0000  0.09%   1.0    0s
H    6     5                    11324.000000 11315.2923  0.08%   0.8    0s

Cutting planes:
  Gomory: 4
  Cover: 4
  Implied bound: 1
  MIR: 25
  Zero half: 12

Explored 116 nodes (3124 simplex iterations) in 0.21 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.132400000000e+04, best bound 1.132300000000e+04, gap 0.0088%