Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:01:22 2013

Optimize a model with 447 rows, 3268 columns and 123955 nonzeros
Presolve removed 27 rows and 73 columns
Presolve time: 0.47s
Presolved: 420 rows, 3195 columns, 121940 nonzeros
Variable types: 0 continuous, 3195 integer (3195 binary)
Found heuristic solution: objective 1672.0000000
Found heuristic solution: objective 1552.0000000

Root relaxation: objective 1.305000e+03, 507 iterations, 0.03 seconds

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

*    0     0               0    1305.0000000 1305.00000   0.0%     -    0s

Explored 0 nodes (507 simplex iterations) in 0.53 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.305000000000e+03, best bound 1.305000000000e+03, gap 0.0%