Gurobi 5.0.1 (linux64) logging started Sat Nov 17 00:26:06 2012

Optimize a model with 45953 rows, 43056 columns and 179881 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 1.04s
Presolved: 46158 rows, 43054 columns, 222286 nonzeros
Variable types: 0 continuous, 43054 integer (43054 binary)
Found heuristic solution: objective 207.0000000

Root relaxation: objective 2.000000e+00, 25904 iterations, 2.28 seconds
Total elapsed time = 6.49s

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

     0     0    2.00000    0  340  207.00000    2.00000  99.0%     -    7s
H    0     0                     179.0000000    2.00000  98.9%     -    7s
H    0     0                       4.0000000    2.00000  50.0%     -    7s
     0     0    2.22222    0 8917    4.00000    2.22222  44.4%     -   26s
     0     0    2.40000    0 13514    4.00000    2.40000  40.0%     -   49s
     0     0    2.40000    0 13346    4.00000    2.40000  40.0%     -   70s
     0     0    2.40000    0 13273    4.00000    2.40000  40.0%     -   76s
H    0     0                       3.0000000    2.40000  20.0%     -   77s

Cutting planes:
  Zero half: 11
  Mod-K: 2

Explored 0 nodes (122724 simplex iterations) in 77.86 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%