Gurobi 5.0.1 (linux64) logging started Fri Nov 16 23:59:11 2012

Optimize a model with 43655 rows, 41820 columns and 171766 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 0.99s
Presolved: 43857 rows, 41818 columns, 212954 nonzeros
Variable types: 0 continuous, 41818 integer (41818 binary)
Found heuristic solution: objective 204.0000000

Root relaxation: objective 2.000000e+00, 25442 iterations, 1.88 seconds
Total elapsed time = 6.01s

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

     0     0    2.00000    0  334  204.00000    2.00000  99.0%     -    6s
H    0     0                     192.0000000    2.00000  99.0%     -    7s
H    0     0                       4.0000000    2.00000  50.0%     -    7s
H    0     0                       3.0000000    2.00000  33.3%     -    7s

Cutting planes:
  Zero half: 1

Explored 0 nodes (87182 simplex iterations) in 7.18 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+00, best bound 2.000000000000e+00, gap 33.3333%