Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:00:43 2013

Optimize a model with 173 rows, 621 columns and 12414 nonzeros
Presolve removed 100 rows and 410 columns
Presolve time: 0.06s
Presolved: 73 rows, 211 columns, 3656 nonzeros
Variable types: 0 continuous, 211 integer (211 binary)
Found heuristic solution: objective 376.0000000
Found heuristic solution: objective 355.0000000

Root relaxation: objective 3.470000e+02, 15 iterations, 0.00 seconds

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

*    0     0               0     347.0000000  347.00000   0.0%     -    0s

Explored 0 nodes (15 simplex iterations) in 0.07 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.470000000000e+02, best bound 3.470000000000e+02, gap 0.0%