Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:00:44 2013

Optimize a model with 469 rows, 1761 columns and 137284 nonzeros
Presolve removed 13 rows and 13 columns
Presolve time: 0.41s
Presolved: 456 rows, 1748 columns, 136036 nonzeros
Variable types: 0 continuous, 1748 integer (1748 binary)
Found heuristic solution: objective 1313.0000000

Root relaxation: objective 1.212000e+03, 211 iterations, 0.01 seconds

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

*    0     0               0    1212.0000000 1212.00000   0.0%     -    0s

Explored 0 nodes (211 simplex iterations) in 0.45 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.212000000000e+03, best bound 1.212000000000e+03, gap 0.0%