Gurobi 5.0.1 (linux64) logging started Sat Nov 17 11:32:13 2012

Optimize a model with 75944 rows, 62250 columns and 288838 nonzeros
Presolve removed 1521 rows and 6723 columns (presolve time = 5s) ...
Presolve removed 1523 rows and 6725 columns
Presolve time: 6.62s
Presolved: 74421 rows, 55525 columns, 277782 nonzeros
Variable types: 0 continuous, 55525 integer (55525 binary)
Found heuristic solution: objective 249.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: infeasible, 387 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 (387 simplex iterations) in 6.85 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%