Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:22:22 2012

Optimize a model with 26519 rows, 29070 columns and 107778 nonzeros
Presolve removed 244 rows and 4082 columns
Presolve time: 0.63s
Presolved: 26275 rows, 24988 columns, 102845 nonzeros
Variable types: 0 continuous, 24988 integer (24988 binary)
Found heuristic solution: objective 170.0000000

Root relaxation: objective 2.846348e+00, 19749 iterations, 1.67 seconds
Total elapsed time = 5.55s

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0    2.84635    0 2190  170.00000    2.84635  98.3%     -    7s
H    0     0                      76.0000000    2.84635  96.3%     -   14s
H    0     0                       3.0000000    2.84635  5.12%     -   14s

Explored 0 nodes (68208 simplex iterations) in 14.87 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%