Gurobi 5.0.1 (linux64) logging started Fri Nov 16 20:48:13 2012

Optimize a model with 16730 rows, 20592 columns and 70068 nonzeros
Presolve removed 25 rows and 3291 columns
Presolve time: 0.33s
Presolved: 16705 rows, 17301 columns, 66545 nonzeros
Variable types: 0 continuous, 17301 integer (17301 binary)
Found heuristic solution: objective 143.0000000

Root relaxation: objective 2.000000e+00, 11543 iterations, 0.53 seconds

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

     0     0    2.00000    0  192  143.00000    2.00000  98.6%     -    1s
H    0     0                     139.0000000    2.00000  98.6%     -    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: 6

Explored 0 nodes (39175 simplex iterations) in 2.00 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%