Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:44:30 2012

Optimize a model with 1544 rows, 79 columns and 3088 nonzeros
Presolve removed 1114 rows and 0 columns
Presolve time: 0.04s
Presolved: 430 rows, 79 columns, 2755 nonzeros
Variable types: 0 continuous, 79 integer (79 binary)
Found heuristic solution: objective 8.0000000

Root relaxation: objective 1.233193e+01, 255 iterations, 0.01 seconds

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

     0     0   12.33193    0   70    8.00000   12.33193  54.1%     -    0s
H    0     0                       9.0000000   12.33193  37.0%     -    0s
H    0     0                      10.0000000   12.33193  23.3%     -    0s
     0     0   11.82151    0   77   10.00000   11.82151  18.2%     -    0s
     0     0   11.69383    0   76   10.00000   11.69383  16.9%     -    0s
     0     0   11.67400    0   76   10.00000   11.67400  16.7%     -    0s
     0     0   11.66493    0   76   10.00000   11.66493  16.6%     -    0s
     0     0   11.62485    0   77   10.00000   11.62485  16.2%     -    0s
     0     0   11.61702    0   77   10.00000   11.61702  16.2%     -    0s
     0     0   11.61597    0   77   10.00000   11.61597  16.2%     -    0s
     0     0   11.61420    0   77   10.00000   11.61420  16.1%     -    0s
     0     2   11.61362    0   77   10.00000   11.61362  16.1%     -    0s

Cutting planes:
  Clique: 38

Explored 11 nodes (987 simplex iterations) in 0.36 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.000000000000e+01, best bound 1.000000000000e+01, gap 0.0%