Gurobi 5.0.1 (linux64) logging started Sat Nov 17 10:34:08 2012

Optimize a model with 75275 rows, 60762 columns and 285358 nonzeros
Presolve removed 998 rows and 3444 columns (presolve time = 5s) ...
Presolve removed 1000 rows and 3446 columns
Presolve time: 6.71s
Presolved: 74275 rows, 57316 columns, 278850 nonzeros
Variable types: 0 continuous, 57316 integer (57316 binary)
Found heuristic solution: objective 246.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: infeasible, 412 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 (412 simplex iterations) in 6.95 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%