Gurobi 5.0.1 (linux64) logging started Fri Nov 16 22:37:48 2012

Optimize a model with 37439 rows, 37056 columns and 148414 nonzeros
Presolve removed 21 rows and 3650 columns
Presolve time: 0.90s
Presolved: 37418 rows, 33406 columns, 144376 nonzeros
Variable types: 0 continuous, 33406 integer (33406 binary)
Found heuristic solution: objective 192.0000000

Root relaxation: objective 2.000000e+00, 24157 iterations, 1.72 seconds
Total elapsed time = 5.13s

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

     0     0    2.00000    0  330  192.00000    2.00000  99.0%     -    5s
H    0     0                     136.0000000    2.00000  98.5%     -    5s
H    0     0                       4.0000000    2.00000  50.0%     -    6s
H    0     0                       3.0000000    2.00000  33.3%     -    6s

Cutting planes:
  Gomory: 1

Explored 0 nodes (78954 simplex iterations) in 6.16 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+00, best bound 2.000000000000e+00, gap 33.3333%