Gurobi 5.0.1 (linux64) logging started Sat Nov 17 10:48:40 2012

Optimize a model with 76075 rows, 61256 columns and 288247 nonzeros
Presolve removed 1006 rows and 4446 columns (presolve time = 5s) ...
Presolve removed 1008 rows and 4448 columns
Presolve time: 6.84s
Presolved: 75067 rows, 56808 columns, 280723 nonzeros
Variable types: 0 continuous, 56808 integer (56808 binary)
Found heuristic solution: objective 247.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: infeasible, 401 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%     -    7s

Explored 0 nodes (401 simplex iterations) in 7.08 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%