Gurobi 5.0.1 (linux64) logging started Fri Nov 16 22:37:59 2012

Optimize a model with 41087 rows, 37056 columns and 159358 nonzeros
Presolve removed 23 rows and 4034 columns
Presolve time: 0.97s
Presolved: 41064 rows, 33022 columns, 154898 nonzeros
Variable types: 0 continuous, 33022 integer (33022 binary)
Found heuristic solution: objective 192.0000000

Root relaxation: objective 2.000000e+00, 23149 iterations, 1.69 seconds

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

     0     0    2.00000    0  320  192.00000    2.00000  99.0%     -    5s
H    0     0                     189.0000000    2.00000  98.9%     -    5s
H    0     0                       4.0000000    2.00000  50.0%     -    5s
H    0     0                       3.0000000    2.00000  33.3%     -    5s
     0     0 infeasible    0         3.00000    2.00000  33.3%     -    6s

Cutting planes:
  Gomory: 1
  Clique: 4
  Zero half: 31

Explored 0 nodes (78826 simplex iterations) in 6.08 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%