Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:00:39 2013

Optimize a model with 277 rows, 740 columns and 32081 nonzeros
Presolve removed 26 rows and 29 columns
Presolve time: 0.27s
Presolved: 251 rows, 711 columns, 30493 nonzeros
Variable types: 0 continuous, 711 integer (711 binary)
Found heuristic solution: objective 487.0000000

Root relaxation: objective 4.390000e+02, 77 iterations, 0.00 seconds

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

*    0     0               0     439.0000000  439.00000   0.0%     -    0s

Explored 0 nodes (77 simplex iterations) in 0.27 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.390000000000e+02, best bound 4.390000000000e+02, gap 0.0%