Gurobi 5.0.1 (linux64) logging started Fri Nov 16 20:46:12 2012

Optimize a model with 15399 rows, 19740 columns and 65238 nonzeros
Presolve removed 562 rows and 2 columns
Presolve time: 0.28s
Presolved: 14977 rows, 19738 columns, 83226 nonzeros
Variable types: 0 continuous, 19738 integer (19738 binary)
Found heuristic solution: objective 140.0000000

Root relaxation: objective 3.000000e+00, 8935 iterations, 0.87 seconds
Total elapsed time = 5.06s

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

*    0     0               0       3.0000000    3.00000   0.0%     -    5s

Explored 0 nodes (26157 simplex iterations) in 5.23 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%