Gurobi 5.0.1 (linux64) logging started Fri Nov 16 02:07:41 2012

Optimize a model with 7067 rows, 992 columns and 22039 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 0.08s
Presolved: 7096 rows, 990 columns, 26416 nonzeros
Variable types: 0 continuous, 990 integer (990 binary)
Found heuristic solution: objective 31.0000000

Root relaxation: objective 3.584699e+00, 7220 iterations, 0.49 seconds

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

     0     0    3.58470    0  795   31.00000    3.58470  88.4%     -    1s
H    0     0                      30.0000000    3.58470  88.1%     -    1s
     0     0    7.00000    0   42   30.00000    7.00000  76.7%     -    2s
H    0     0                      13.0000000    7.00000  46.2%     -    2s
H    0     0                      10.0000000    7.00000  30.0%     -    2s
H    0     0                       9.0000000    7.00000  22.2%     -    2s
*    0     0               0       7.0000000    7.00000   0.0%     -    2s

Cutting planes:
  Gomory: 1
  Clique: 31
  Zero half: 57

Explored 0 nodes (13611 simplex iterations) in 2.14 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0%