Gurobi 5.0.1 (linux64) logging started Sat Nov 17 05:48:00 2012

Optimize a model with 66180 rows, 52670 columns and 250066 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 5.01s
Presolved: 66407 rows, 52668 columns, 301929 nonzeros
Variable types: 0 continuous, 52668 integer (52668 binary)
Found heuristic solution: objective 229.0000000

Root relaxation: objective 2.000000e+00, 35081 iterations, 3.47 seconds
Total elapsed time = 13.30s

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

     0     0    2.00000    0  416  229.00000    2.00000  99.1%     -   14s
H    0     0                     225.0000000    2.00000  99.1%     -   14s
H    0     0                       4.0000000    2.00000  50.0%     -   14s
     0     0    2.66667    0 10789    4.00000    2.66667  33.3%     -   47s
H    0     0                       3.0000000    2.66667  11.1%     -   66s

Cutting planes:
  Clique: 2
  Zero half: 3

Explored 0 nodes (155788 simplex iterations) in 66.84 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%