Gurobi 5.0.1 (linux64) logging started Sat Nov 17 07:50:26 2012

Optimize a model with 73232 rows, 56406 columns and 274918 nonzeros
Presolve removed 961 rows and 3081 columns (presolve time = 5s) ...
Presolve removed 963 rows and 3083 columns
Presolve time: 6.16s
Presolved: 72269 rows, 53323 columns, 268857 nonzeros
Variable types: 0 continuous, 53323 integer (53323 binary)
Found heuristic solution: objective 237.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: infeasible, 407 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%     -    6s

Explored 0 nodes (407 simplex iterations) in 6.38 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%