Gurobi 5.0.1 (linux64) logging started Sat Nov 17 00:08:40 2012

Optimize a model with 44279 rows, 42230 columns and 174043 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 1.04s
Presolved: 44482 rows, 42228 columns, 215636 nonzeros
Variable types: 0 continuous, 42228 integer (42228 binary)
Found heuristic solution: objective 205.0000000

Root relaxation: objective 2.000000e+00, 27744 iterations, 2.11 seconds
Total elapsed time = 6.55s

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

     0     0    2.00000    0  342  205.00000    2.00000  99.0%     -    7s
H    0     0                     182.0000000    2.00000  98.9%     -    7s
H    0     0                       4.0000000    2.00000  50.0%     -    7s
     0     0    2.20000    0 3540    4.00000    2.20000  45.0%     -   27s
H    0     0                       3.0000000    2.20000  26.7%     -   28s

Cutting planes:
  Gomory: 2
  Zero half: 13

Explored 0 nodes (129875 simplex iterations) in 28.79 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%