Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:51:53 2012

Optimize a model with 35459 rows, 32580 columns and 138058 nonzeros
Presolve removed 22 rows and 3602 columns
Presolve time: 0.76s
Presolved: 35437 rows, 28978 columns, 134064 nonzeros
Variable types: 0 continuous, 28978 integer (28978 binary)
Found heuristic solution: objective 180.0000000

Root relaxation: objective 2.000000e+00, 21813 iterations, 1.55 seconds

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

     0     0    2.00000    0  298  180.00000    2.00000  98.9%     -    5s
H    0     0                     178.0000000    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%     -    5s

Cutting planes:
  Gomory: 1
  Zero half: 27

Explored 0 nodes (71211 simplex iterations) in 5.43 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%