Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:39:54 2012

Optimize a model with 26223 rows, 31152 columns and 108942 nonzeros
Presolve removed 93 rows and 5106 columns
Presolve time: 0.62s
Presolved: 26130 rows, 26046 columns, 103389 nonzeros
Variable types: 0 continuous, 26046 integer (26046 binary)
Found heuristic solution: objective 176.0000000

Root relaxation: objective 2.705882e+00, 20619 iterations, 1.93 seconds
Total elapsed time = 5.27s

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

     0     0    2.70588    0 2507  176.00000    2.70588  98.5%     -    6s
H    0     0                      26.0000000    2.70588  89.6%     -   14s
H    0     0                       3.0000000    2.70588  9.80%     -   14s

Explored 0 nodes (64153 simplex iterations) in 14.39 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%