Gurobi 5.0.1 (linux64) logging started Fri Nov 16 22:53:07 2012

Optimize a model with 41729 rows, 38220 columns and 162433 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 1.08s
Presolved: 41922 rows, 38218 columns, 200030 nonzeros
Variable types: 0 continuous, 38218 integer (38218 binary)
Found heuristic solution: objective 195.0000000

Root relaxation: objective 2.000000e+00, 24387 iterations, 1.77 seconds
Total elapsed time = 5.32s

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

     0     0    2.00000    0  326  195.00000    2.00000  99.0%     -    6s
H    0     0                     173.0000000    2.00000  98.8%     -    6s
H    0     0                       4.0000000    2.00000  50.0%     -    6s
H    0     0                       3.0000000    2.00000  33.3%     -    6s
     0     0 infeasible    0         3.00000    2.00000  33.3%     -    6s

Cutting planes:
  Gomory: 4
  Zero half: 31

Explored 0 nodes (80918 simplex iterations) in 6.45 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%