Gurobi 5.0.1 (linux64) logging started Fri Nov 16 20:43:30 2012

Optimize a model with 12511 rows, 18632 columns and 55486 nonzeros
Presolve removed 311 rows and 5034 columns
Presolve time: 0.25s
Presolved: 12200 rows, 13598 columns, 49594 nonzeros
Variable types: 0 continuous, 13598 integer (13598 binary)
Found heuristic solution: objective 136.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: infeasible, 167 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 (167 simplex iterations) in 0.28 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%