Gurobi 5.0.1 (linux64) logging started Fri Nov 16 16:40:10 2012

Optimize a model with 11310 rows, 6162 columns and 39780 nonzeros
Presolve removed 1330 rows and 312 columns
Presolve time: 0.20s
Presolved: 9980 rows, 5850 columns, 36192 nonzeros
Variable types: 0 continuous, 5850 integer (5850 binary)
Found heuristic solution: objective 39.0000000

Root relaxation: objective 4.000000e+00, 9482 iterations, 0.75 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%     -    1s

Explored 0 nodes (13045 simplex iterations) in 1.39 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%