Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:01:13 2013

Optimize a model with 427 rows, 2775 columns and 115212 nonzeros
Presolve removed 17 rows and 11 columns
Presolve time: 0.30s
Presolved: 410 rows, 2764 columns, 114680 nonzeros
Variable types: 0 continuous, 2764 integer (2764 binary)
Found heuristic solution: objective 1585.0000000

Root relaxation: objective 1.078000e+03, 413 iterations, 0.02 seconds

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

*    0     0               0    1078.0000000 1078.00000   0.0%     -    0s

Explored 0 nodes (413 simplex iterations) in 0.35 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.078000000000e+03, best bound 1.078000000000e+03, gap 0.0%