Gurobi 5.0.1 (linux64) logging started Sat Nov 17 00:25:11 2012

Optimize a model with 46574 rows, 43056 columns and 181744 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 1.09s
Presolved: 46779 rows, 43054 columns, 224143 nonzeros
Variable types: 0 continuous, 43054 integer (43054 binary)
Found heuristic solution: objective 207.0000000

Root relaxation: objective 2.000000e+00, 26901 iterations, 2.14 seconds
Total elapsed time = 6.37s

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

     0     0    2.00000    0  350  207.00000    2.00000  99.0%     -    7s
H    0     0                     151.0000000    2.00000  98.7%     -    7s
H    0     0                       4.0000000    2.00000  50.0%     -    7s
H    0     0                       3.0000000    2.00000  33.3%     -    7s

Cutting planes:
  Zero half: 3

Explored 0 nodes (87793 simplex iterations) in 7.68 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%