Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:53:32 2012

Optimize a model with 10730 rows, 5402 columns and 37228 nonzeros
Presolve removed 1026 rows and 148 columns
Presolve time: 0.47s
Presolved: 9704 rows, 5254 columns, 34334 nonzeros
Variable types: 0 continuous, 5254 integer (5254 binary)
Found heuristic solution: objective 73.0000000

Root relaxation: objective 3.000000e+00, 6747 iterations, 1.11 seconds
Total elapsed time = 6.35s

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

     0     0    3.00000    0 1150   73.00000    3.00000  95.9%     -    6s
H    0     0                      37.0000000    3.00000  91.9%     -    6s
H    0     0                       3.0000000    3.00000   0.0%     -    6s

Explored 0 nodes (29760 simplex iterations) in 6.81 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%