Gurobi 5.0.1 (linux64) logging started Fri Nov 16 03:17:24 2012

Optimize a model with 2319 rows, 1640 columns and 8398 nonzeros
Presolve removed 82 rows and 2 columns
Presolve time: 0.10s
Presolved: 2277 rows, 1638 columns, 9686 nonzeros
Variable types: 0 continuous, 1638 integer (1638 binary)
Found heuristic solution: objective 40.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: infeasible, 68 iterations, 0.00 seconds

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

     0     0 infeasible    0         3.00000    2.00000  33.3%     -    0s

Explored 0 nodes (68 simplex iterations) in 0.11 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%