Gurobi 5.0.1 (linux64) logging started Fri Nov 16 03:25:46 2012

Optimize a model with 4085 rows, 1892 columns and 13975 nonzeros
Presolve removed 774 rows and 0 columns
Presolve time: 0.09s
Presolved: 3311 rows, 1892 columns, 12126 nonzeros
Variable types: 0 continuous, 1892 integer (1892 binary)
Found heuristic solution: objective 26.0000000

Root relaxation: objective 3.000000e+00, 2666 iterations, 0.17 seconds

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

     0     0    3.00000    0   46   26.00000    3.00000  88.5%     -    0s
H    0     0                       4.0000000    3.00000  25.0%     -    0s
H    0     0                       3.0000000    3.00000   0.0%     -    0s

Explored 0 nodes (8098 simplex iterations) in 0.64 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%