Gurobi 5.0.1 (linux64) logging started Fri Nov 16 22:43:34 2012

Optimize a model with 37441 rows, 37442 columns and 148801 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 0.82s
Presolved: 37632 rows, 37440 columns, 185662 nonzeros
Variable types: 0 continuous, 37440 integer (37440 binary)
Found heuristic solution: objective 193.0000000

Root relaxation: objective 2.000000e+00, 23505 iterations, 1.68 seconds

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

     0     0    2.00000    0  322  193.00000    2.00000  99.0%     -    5s
H    0     0                     150.0000000    2.00000  98.7%     -    5s
H    0     0                       4.0000000    2.00000  50.0%     -    5s
     0     0    2.66667    0 5603    4.00000    2.66667  33.3%     -   11s
H    0     0                       3.0000000    2.66667  11.1%     -   15s

Cutting planes:
  Clique: 2

Explored 0 nodes (90236 simplex iterations) in 15.96 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%