Gurobi 5.0.1 (linux64) logging started Fri Nov 16 01:06:30 2012

Optimize a model with 1325 rows, 306 columns and 4197 nonzeros
Presolve removed 801 rows and 2 columns
Presolve time: 0.02s
Presolved: 541 rows, 304 columns, 3098 nonzeros
Variable types: 0 continuous, 304 integer (304 binary)
Found heuristic solution: objective 17.0000000

Root relaxation: objective 5.000000e+00, 627 iterations, 0.02 seconds

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

     0     0    5.00000    0   14   17.00000    5.00000  70.6%     -    0s
H    0     0                       7.0000000    5.00000  28.6%     -    0s
H    0     0                       6.0000000    5.00000  16.7%     -    0s
     0     0    5.00000    0   94    6.00000    5.00000  16.7%     -    0s
     0     0    5.00000    0   37    6.00000    5.00000  16.7%     -    0s
     0     0    5.00000    0   30    6.00000    5.00000  16.7%     -    0s
     0     0    5.00000    0   27    6.00000    5.00000  16.7%     -    0s
     0     0    5.00000    0   23    6.00000    5.00000  16.7%     -    0s
     0     0    5.00000    0   44    6.00000    5.00000  16.7%     -    0s
     0     0    5.00000    0   36    6.00000    5.00000  16.7%     -    0s
     0     0    5.00000    0   52    6.00000    5.00000  16.7%     -    0s
     0     0    5.00000    0   30    6.00000    5.00000  16.7%     -    0s
     0     0    5.00000    0   37    6.00000    5.00000  16.7%     -    0s
     0     0    5.00000    0   60    6.00000    5.00000  16.7%     -    0s
     0     0    5.00000    0   24    6.00000    5.00000  16.7%     -    0s
     0     2    5.00000    0   24    6.00000    5.00000  16.7%     -    0s

Explored 10 nodes (15356 simplex iterations) in 1.00 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0%