Gurobi 5.0.1 (linux64) logging started Sat Nov 17 00:03:32 2012

Optimize a model with 44279 rows, 42230 columns and 174043 nonzeros
Presolve removed 18 rows and 3282 columns
Presolve time: 0.96s
Presolved: 44261 rows, 38948 columns, 170331 nonzeros
Variable types: 0 continuous, 38948 integer (38948 binary)
Found heuristic solution: objective 205.0000000

Root relaxation: objective 2.000000e+00, 27240 iterations, 2.21 seconds
Total elapsed time = 5.68s

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

     0     0    2.00000    0  342  205.00000    2.00000  99.0%     -    6s
H    0     0                     192.0000000    2.00000  99.0%     -    6s
H    0     0                       4.0000000    2.00000  50.0%     -    6s
     0     0    2.20000    0 2105    4.00000    2.20000  45.0%     -   17s
     0     0    2.40000    0 15694    4.00000    2.40000  40.0%     -   27s
H    0     0                       3.0000000    2.40000  20.0%     -   46s

Cutting planes:
  Zero half: 17

Explored 0 nodes (110812 simplex iterations) in 46.64 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%