Gurobi 5.0.1 (linux64) logging started Mon Nov 19 07:42:47 2012

Optimize a model with 5409 rows, 147 columns and 10818 nonzeros
Presolve removed 3918 rows and 0 columns
Presolve time: 0.23s
Presolved: 1491 rows, 147 columns, 10926 nonzeros
Variable types: 0 continuous, 147 integer (147 binary)
Found heuristic solution: objective 8.0000000

Root relaxation: objective 1.821097e+01, 643 iterations, 0.05 seconds

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

     0     0   18.21097    0  146    8.00000   18.21097   128%     -    0s
     0     0   17.87524    0  147    8.00000   17.87524   123%     -    0s
     0     0   17.76382    0  147    8.00000   17.76382   122%     -    0s
     0     0   17.73863    0  146    8.00000   17.73863   122%     -    0s
H    0     0                      10.0000000   17.73863  77.4%     -    0s
     0     0   17.72678    0  147   10.00000   17.72678  77.3%     -    1s
     0     0   17.71910    0  147   10.00000   17.71910  77.2%     -    1s
     0     0   17.71889    0  147   10.00000   17.71889  77.2%     -    1s
     0     0   17.71886    0  147   10.00000   17.71886  77.2%     -    1s
     0     2   17.71864    0  147   10.00000   17.71864  77.2%     -    2s
   306   174   12.89505   16   69   10.00000   16.24685  62.5%  87.5    5s

Cutting planes:
  Clique: 87

Explored 958 nodes (74767 simplex iterations) in 9.84 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%