Gurobi 5.0.1 (linux64) logging started Sat Nov 17 00:54:58 2012

Optimize a model with 45779 rows, 44310 columns and 180598 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 1.19s
Presolved: 45987 rows, 44308 columns, 224262 nonzeros
Variable types: 0 continuous, 44308 integer (44308 binary)
Found heuristic solution: objective 210.0000000

Root relaxation: objective 2.000000e+00, 27814 iterations, 2.35 seconds
Total elapsed time = 6.41s

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

     0     0    2.00000    0  340  210.00000    2.00000  99.0%     -    7s
H    0     0                     204.0000000    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 (90859 simplex iterations) in 7.86 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%