Gurobi 5.0.1 (linux64) logging started Fri Nov 16 03:08:20 2012

Optimize a model with 1304 rows, 870 columns and 4638 nonzeros
Presolve removed 379 rows and 2 columns
Presolve time: 0.04s
Presolved: 954 rows, 868 columns, 4516 nonzeros
Variable types: 0 continuous, 868 integer (868 binary)
Found heuristic solution: objective 29.0000000

Root relaxation: objective 4.000000e+00, 709 iterations, 0.01 seconds

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

*    0     0               0       4.0000000    4.00000   0.0%     -    0s

Explored 0 nodes (1482 simplex iterations) in 0.08 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.000000000000e+00, best bound 4.000000000000e+00, gap 0.0%