Gurobi 5.0.1 (linux64) logging started Fri Nov 16 22:55:01 2012

Optimize a model with 42335 rows, 38612 columns and 164638 nonzeros
Presolve removed 17 rows and 2942 columns
Presolve time: 0.95s
Presolved: 42318 rows, 35670 columns, 161266 nonzeros
Variable types: 0 continuous, 35670 integer (35670 binary)
Found heuristic solution: objective 196.0000000

Root relaxation: objective 2.000000e+00, 25561 iterations, 1.78 seconds
Total elapsed time = 5.54s

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

     0     0    2.00000    0  324  196.00000    2.00000  99.0%     -    6s
H    0     0                     137.0000000    2.00000  98.5%     -    6s
H    0     0                       4.0000000    2.00000  50.0%     -    6s
     0     0    2.20000    0  414    4.00000    2.20000  45.0%     -   19s
H    0     0                       3.0000000    2.20000  26.7%     -   19s

Cutting planes:
  Gomory: 1
  Zero half: 6

Explored 0 nodes (105042 simplex iterations) in 19.50 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%