Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:16:58 2012

Optimize a model with 6212 rows, 3306 columns and 21658 nonzeros
Presolve removed 633 rows and 230 columns
Presolve time: 0.17s
Presolved: 5579 rows, 3076 columns, 19695 nonzeros
Variable types: 0 continuous, 3076 integer (3076 binary)
Found heuristic solution: objective 57.0000000

Root relaxation: objective 3.000000e+00, 5066 iterations, 0.52 seconds

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

     0     0    3.00000    0   45   57.00000    3.00000  94.7%     -    1s
H    0     0                       3.0000000    3.00000   0.0%     -    1s

Explored 0 nodes (18001 simplex iterations) in 1.99 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%