Gurobi 5.0.1 (linux64) logging started Fri Nov 16 01:16:18 2012

Optimize a model with 4419 rows, 702 columns and 13830 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 0.07s
Presolved: 4417 rows, 700 columns, 19743 nonzeros
Variable types: 0 continuous, 700 integer (700 binary)
Found heuristic solution: objective 26.0000000

Root relaxation: objective 4.123894e+00, 3842 iterations, 0.18 seconds

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

     0     0    4.12389    0  398   26.00000    4.12389  84.1%     -    0s
H    0     0                      25.0000000    4.12389  83.5%     -    0s
     0     0    7.00000    0   48   25.00000    7.00000  72.0%     -    0s
H    0     0                       7.0000000    7.00000   0.0%     -    0s

Cutting planes:
  Gomory: 1

Explored 0 nodes (7057 simplex iterations) in 0.86 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%