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

Optimize a model with 4367 rows, 702 columns and 13674 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 0.07s
Presolved: 4365 rows, 700 columns, 19456 nonzeros
Variable types: 0 continuous, 700 integer (700 binary)
Found heuristic solution: objective 26.0000000

Root relaxation: objective 3.959184e+00, 4251 iterations, 0.30 seconds

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

     0     0    3.95918    0  423   26.00000    3.95918  84.8%     -    1s
     0     0    6.00000    0   42   26.00000    6.00000  76.9%     -    1s
H    0     0                      21.0000000    6.00000  71.4%     -    1s
H    0     0                       7.0000000    6.00000  14.3%     -    1s
     0     0    6.00000    0   24    7.00000    6.00000  14.3%     -    1s
     0     0    6.00000    0   18    7.00000    6.00000  14.3%     -    1s
     0     0    6.00000    0   39    7.00000    6.00000  14.3%     -    1s
     0     0    6.00000    0   20    7.00000    6.00000  14.3%     -    1s
     0     0    6.00000    0   14    7.00000    6.00000  14.3%     -    1s
     0     0    6.00000    0   27    7.00000    6.00000  14.3%     -    1s
     0     0    6.00000    0   45    7.00000    6.00000  14.3%     -    1s
     0     0    6.00000    0   19    7.00000    6.00000  14.3%     -    1s
     0     0    6.00000    0   62    7.00000    6.00000  14.3%     -    1s
     0     0    6.00000    0   62    7.00000    6.00000  14.3%     -    1s
     0     2    6.00000    0   62    7.00000    6.00000  14.3%     -    2s

Cutting planes:
  Clique: 2
  Zero half: 7

Explored 9 nodes (15488 simplex iterations) in 2.05 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%