Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:55:55 2012

Optimize a model with 6995 rows, 11342 columns and 31798 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 0.15s
Presolved: 7099 rows, 11340 columns, 42902 nonzeros
Variable types: 0 continuous, 11340 integer (11340 binary)
Found heuristic solution: objective 106.0000000

Root relaxation: objective 2.000000e+00, 4708 iterations, 0.10 seconds

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

     0     0    2.00000    0   72  106.00000    2.00000  98.1%     -    0s
H    0     0                      81.0000000    2.00000  97.5%     -    0s
H    0     0                       3.0000000    2.00000  33.3%     -    0s
     0     0 infeasible    0         3.00000    2.00000  33.3%     -    0s

Cutting planes:
  Gomory: 1
  Zero half: 2

Explored 0 nodes (15925 simplex iterations) in 0.54 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%