Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:16:18 2012

Optimize a model with 4592 rows, 3192 columns and 16744 nonzeros
Presolve removed 449 rows and 56 columns
Presolve time: 0.11s
Presolved: 4143 rows, 3136 columns, 15568 nonzeros
Variable types: 0 continuous, 3136 integer (3136 binary)
Found heuristic solution: objective 30.0000000

Root relaxation: objective 3.000000e+00, 4497 iterations, 0.20 seconds

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

*    0     0               0       3.0000000    3.00000   0.0%     -    0s

Explored 0 nodes (6596 simplex iterations) in 0.46 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%