Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:48:11 2012

Optimize a model with 32219 rows, 32220 columns and 127983 nonzeros
Presolve removed 21 rows and 3403 columns
Presolve time: 0.70s
Presolved: 32198 rows, 28817 columns, 124222 nonzeros
Variable types: 0 continuous, 28817 integer (28817 binary)
Found heuristic solution: objective 179.0000000

Root relaxation: objective 2.000000e+00, 20411 iterations, 1.33 seconds

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

     0     0    2.00000    0  288  179.00000    2.00000  98.9%     -    4s
H    0     0                     169.0000000    2.00000  98.8%     -    4s
H    0     0                       4.0000000    2.00000  50.0%     -    4s
H    0     0                       3.0000000    2.00000  33.3%     -    4s
     0     0 infeasible    0         3.00000    2.00000  33.3%     -    4s

Cutting planes:
  Gomory: 2
  Zero half: 16

Explored 0 nodes (67450 simplex iterations) in 4.69 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%