Gurobi 5.0.1 (linux64) logging started Fri Nov 16 19:33:58 2012

Optimize a model with 11867 rows, 16770 columns and 51727 nonzeros
Presolve removed 37 rows and 4517 columns
Presolve time: 0.20s
Presolved: 11830 rows, 12253 columns, 47028 nonzeros
Variable types: 0 continuous, 12253 integer (12253 binary)
Found heuristic solution: objective 129.0000000

Root relaxation: objective 2.000000e+00, 8164 iterations, 0.32 seconds

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

     0     0    2.00000    0  146  129.00000    2.00000  98.4%     -    1s
H    0     0                      38.0000000    2.00000  94.7%     -    1s
H    0     0                       3.0000000    2.00000  33.3%     -    1s
     0     0 infeasible    0         3.00000    2.00000  33.3%     -    1s

Cutting planes:
  Gomory: 1
  Zero half: 5

Explored 0 nodes (27171 simplex iterations) in 1.12 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%