Gurobi 5.0.1 (linux64) logging started Fri Nov 16 01:06:55 2012

Optimize a model with 2020 rows, 420 columns and 6400 nonzeros
Presolve removed 1240 rows and 0 columns
Presolve time: 0.03s
Presolved: 780 rows, 420 columns, 4560 nonzeros
Variable types: 0 continuous, 420 integer (420 binary)
Found heuristic solution: objective 16.0000000

Root relaxation: objective 5.000000e+00, 830 iterations, 0.03 seconds

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

     0     0    5.00000    0   64   16.00000    5.00000  68.8%     -    0s
H    0     0                       7.0000000    5.00000  28.6%     -    0s
     0     0    5.00000    0   94    7.00000    5.00000  28.6%     -    0s
H    0     0                       6.0000000    5.00000  16.7%     -    0s
     0     0    5.00000    0   77    6.00000    5.00000  16.7%     -    0s
     0     0    5.00000    0   86    6.00000    5.00000  16.7%     -    0s
     0     0    5.00000    0   87    6.00000    5.00000  16.7%     -    0s
     0     0    5.00000    0   66    6.00000    5.00000  16.7%     -    0s
     0     0    5.00000    0   85    6.00000    5.00000  16.7%     -    0s
     0     0    5.00000    0   66    6.00000    5.00000  16.7%     -    0s
     0     0    5.00000    0   64    6.00000    5.00000  16.7%     -    0s
     0     0    5.00000    0   66    6.00000    5.00000  16.7%     -    1s
     0     0    5.00000    0   66    6.00000    5.00000  16.7%     -    1s
     0     2    5.00000    0   66    6.00000    5.00000  16.7%     -    1s

Explored 3 nodes (17746 simplex iterations) in 1.39 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%