Gurobi 5.0.1 (linux64) logging started Sat Nov 17 02:47:43 2012

Optimize a model with 57639 rows, 48620 columns and 220438 nonzeros
Presolve removed 26 rows and 5282 columns
Presolve time: 1.36s
Presolved: 57613 rows, 43338 columns, 214634 nonzeros
Variable types: 0 continuous, 43338 integer (43338 binary)
Found heuristic solution: objective 220.0000000

Root relaxation: objective 2.000000e+00, 32054 iterations, 2.97 seconds
Total elapsed time = 8.12s

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

     0     0    2.00000    0  388  220.00000    2.00000  99.1%     -    9s
H    0     0                     200.0000000    2.00000  99.0%     -    9s
H    0     0                       4.0000000    2.00000  50.0%     -    9s
     0     0    2.66667    0 4299    4.00000    2.66667  33.3%     -   32s
H    0     0                       3.0000000    2.66667  11.1%     -   36s

Cutting planes:
  Clique: 2
  Zero half: 1

Explored 0 nodes (137932 simplex iterations) in 36.63 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%