Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:00:57 2013

Optimize a model with 411 rows, 2250 columns and 108571 nonzeros
Presolve removed 39 rows and 75 columns
Presolve time: 0.41s
Presolved: 372 rows, 2175 columns, 105212 nonzeros
Variable types: 0 continuous, 2175 integer (2175 binary)
Found heuristic solution: objective 1575.0000000
Found heuristic solution: objective 1406.0000000

Root relaxation: objective 1.281000e+03, 339 iterations, 0.02 seconds

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

*    0     0               0    1281.0000000 1281.00000   0.0%     -    0s

Explored 0 nodes (339 simplex iterations) in 0.45 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.281000000000e+03, best bound 1.281000000000e+03, gap 0.0%