Gurobi 5.0.1 (linux64) logging started Sat Nov 17 03:04:44 2012

Optimize a model with 58785 rows, 49062 columns and 224313 nonzeros
Presolve removed 17 rows and 3317 columns
Presolve time: 1.31s
Presolved: 58768 rows, 45745 columns, 220466 nonzeros
Variable types: 0 continuous, 45745 integer (45745 binary)
Found heuristic solution: objective 221.0000000

Root relaxation: objective 2.000000e+00, 31877 iterations, 2.70 seconds
Total elapsed time = 8.08s

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

     0     0    2.00000    0  402  221.00000    2.00000  99.1%     -    9s
H    0     0                     216.0000000    2.00000  99.1%     -    9s
H    0     0                       4.0000000    2.00000  50.0%     -    9s
     0     0    2.20000    0 9516    4.00000    2.20000  45.0%     -   43s
H    0     0                       3.0000000    2.20000  26.7%     -   54s

Cutting planes:
  Gomory: 2
  Zero half: 7

Explored 0 nodes (146537 simplex iterations) in 54.36 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%