Gurobi 5.0.1 (linux64) logging started Sat Nov 17 00:15:27 2012

Optimize a model with 43877 rows, 42642 columns and 173244 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 1.07s
Presolved: 44081 rows, 42640 columns, 215254 nonzeros
Variable types: 0 continuous, 42640 integer (42640 binary)
Found heuristic solution: objective 206.0000000

Root relaxation: objective 2.000000e+00, 27888 iterations, 2.33 seconds
Total elapsed time = 6.47s

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

     0     0    2.00000    0  340  206.00000    2.00000  99.0%     -    7s
H    0     0                     193.0000000    2.00000  99.0%     -    7s
H    0     0                       4.0000000    2.00000  50.0%     -    7s
     0     0    2.66667    0 5302    4.00000    2.66667  33.3%     -   16s
     0     0    2.66667    0 13136    4.00000    2.66667  33.3%     -   27s
H    0     0                       3.0000000    2.66667  11.1%     -   43s

Cutting planes:
  Clique: 2
  Zero half: 37

Explored 0 nodes (104667 simplex iterations) in 43.79 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%