Gurobi 5.0.1 (linux64) logging started Fri Nov 16 04:02:43 2012

Optimize a model with 4703 rows, 2352 columns and 16222 nonzeros
Presolve removed 770 rows and 2 columns
Presolve time: 0.11s
Presolved: 3933 rows, 2350 columns, 14138 nonzeros
Variable types: 0 continuous, 2350 integer (2350 binary)
Found heuristic solution: objective 48.0000000

Root relaxation: objective 3.000000e+00, 3158 iterations, 0.21 seconds

    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%     -    1s

Explored 0 nodes (10593 simplex iterations) in 1.04 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%