Gurobi 5.0.1 (linux64) logging started Sat Nov 17 07:11:27 2012

Optimize a model with 67859 rows, 54990 columns and 257398 nonzeros
Presolve removed 483 rows and 3510 columns (presolve time = 5s) ...
Presolve removed 485 rows and 3512 columns
Presolve time: 5.28s
Presolved: 67374 rows, 51478 columns, 252142 nonzeros
Variable types: 0 continuous, 51478 integer (51478 binary)
Found heuristic solution: objective 234.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: infeasible, 425 iterations, 0.04 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%     -    5s

Explored 0 nodes (425 simplex iterations) in 5.49 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%