Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:24:04 2012

Optimize a model with 6833 rows, 4556 columns and 24721 nonzeros
Presolve removed 273 rows and 203 columns
Presolve time: 0.23s
Presolved: 6560 rows, 4353 columns, 23654 nonzeros
Variable types: 0 continuous, 4353 integer (4353 binary)
Found heuristic solution: objective 67.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: infeasible, 110 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 (110 simplex iterations) in 0.24 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%