Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:24:27 2012

Optimize a model with 28214 rows, 29412 columns and 113200 nonzeros
Presolve removed 364 rows and 3422 columns
Presolve time: 0.68s
Presolved: 27850 rows, 25990 columns, 108599 nonzeros
Variable types: 0 continuous, 25990 integer (25990 binary)
Found heuristic solution: objective 171.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: infeasible, 252 iterations, 0.01 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 (252 simplex iterations) in 0.76 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%