Gurobi 5.0.1 (linux64) logging started Fri Nov 16 22:40:53 2012

Optimize a model with 37441 rows, 37442 columns and 148801 nonzeros
Presolve removed 25 rows and 4441 columns
Presolve time: 0.82s
Presolved: 37416 rows, 33001 columns, 143974 nonzeros
Variable types: 0 continuous, 33001 integer (33001 binary)
Found heuristic solution: objective 193.0000000

Root relaxation: objective 2.000000e+00, 24386 iterations, 1.84 seconds
Total elapsed time = 5.21s

    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%     -    6s
H    0     0                     189.0000000    2.00000  98.9%     -    6s
H    0     0                       4.0000000    2.00000  50.0%     -    6s
     0     0    2.66667    0 4729    4.00000    2.66667  33.3%     -   13s
H    0     0                       3.0000000    2.66667  11.1%     -   17s

Cutting planes:
  Clique: 2
  Zero half: 3

Explored 0 nodes (98296 simplex iterations) in 17.12 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%