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

Optimize a model with 80933 rows, 60762 columns and 302332 nonzeros
Presolve removed 2480 rows and 4920 columns (presolve time = 5s) ...
Presolve removed 2482 rows and 4922 columns
Presolve time: 6.99s
Presolved: 78451 rows, 55840 columns, 290624 nonzeros
Variable types: 0 continuous, 55840 integer (55840 binary)
Found heuristic solution: objective 246.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: infeasible, 438 iterations, 0.05 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 (438 simplex iterations) in 7.25 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%