Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:49:34 2012

Optimize a model with 6261 rows, 10302 columns and 28581 nonzeros
Presolve removed 32 rows and 3032 columns
Presolve time: 0.14s
Presolved: 6229 rows, 7270 columns, 25427 nonzeros
Variable types: 0 continuous, 7270 integer (7270 binary)
Found heuristic solution: objective 101.0000000

Root relaxation: objective 2.000000e+00, 4323 iterations, 0.12 seconds

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

     0     0    2.00000    0   74  101.00000    2.00000  98.0%     -    0s
H    0     0                      46.0000000    2.00000  95.7%     -    0s
H    0     0                       4.0000000    2.00000  50.0%     -    0s
H    0     0                       3.0000000    2.00000  33.3%     -    0s

Explored 0 nodes (14999 simplex iterations) in 0.53 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+00, best bound 2.000000000000e+00, gap 33.3333%