Gurobi 5.0.1 (linux64) logging started Fri Nov 16 01:51:48 2012

Optimize a model with 7139 rows, 930 columns and 22198 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 0.08s
Presolved: 7167 rows, 928 columns, 27163 nonzeros
Variable types: 0 continuous, 928 integer (928 binary)
Found heuristic solution: objective 30.0000000

Root relaxation: objective 3.655172e+00, 6722 iterations, 0.45 seconds

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

     0     0    3.65517    0  744   30.00000    3.65517  87.8%     -    1s
H    0     0                      29.0000000    3.65517  87.4%     -    1s
     0     0    7.00000    0   70   29.00000    7.00000  75.9%     -    1s
H    0     0                      15.0000000    7.00000  53.3%     -    1s
H    0     0                       9.0000000    7.00000  22.2%     -    1s
     0     0    7.00000    0   24    9.00000    7.00000  22.2%     -    2s
     0     0    8.00000    0   39    9.00000    8.00000  11.1%     -    2s
H    0     0                       8.0000000    8.00000   0.0%     -    2s

Explored 0 nodes (14359 simplex iterations) in 2.23 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.000000000000e+00, best bound 8.000000000000e+00, gap 0.0%