Gurobi 5.0.1 (linux64) logging started Fri Nov 16 01:43:58 2012

Optimize a model with 5886 rows, 870 columns and 18384 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 0.08s
Presolved: 5884 rows, 868 columns, 23517 nonzeros
Variable types: 0 continuous, 868 integer (868 binary)
Found heuristic solution: objective 29.0000000

Root relaxation: objective 3.661538e+00, 6113 iterations, 0.36 seconds

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

     0     0    3.66154    0  609   29.00000    3.66154  87.4%     -    1s
H    0     0                      28.0000000    3.66154  86.9%     -    1s
     0     0    6.00000    0   93   28.00000    6.00000  78.6%     -    1s
H    0     0                      23.0000000    6.00000  73.9%     -    1s
H    0     0                       7.0000000    6.00000  14.3%     -    1s
     0     0    6.00000    0   74    7.00000    6.00000  14.3%     -    1s
     0     0    6.00000    0   34    7.00000    6.00000  14.3%     -    1s
     0     0    6.00000    0  107    7.00000    6.00000  14.3%     -    1s
     0     0    6.00000    0   52    7.00000    6.00000  14.3%     -    2s
     0     0    6.00000    0   87    7.00000    6.00000  14.3%     -    2s
     0     0    6.00000    0  110    7.00000    6.00000  14.3%     -    2s
     0     0    6.00000    0   74    7.00000    6.00000  14.3%     -    2s
     0     0    6.00000    0   78    7.00000    6.00000  14.3%     -    2s
     0     0    6.00000    0   78    7.00000    6.00000  14.3%     -    2s
     0     2    6.00000    0   78    7.00000    6.00000  14.3%     -    2s

Cutting planes:
  Clique: 1
  Zero half: 14

Explored 3 nodes (17600 simplex iterations) in 2.44 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%