Gurobi 5.0.1 (linux64) logging started Sat Nov 17 01:10:50 2012

Optimize a model with 48740 rows, 44732 columns and 189898 nonzeros
Presolve removed 846 rows and 2 columns
Presolve time: 1.22s
Presolved: 48105 rows, 44730 columns, 231855 nonzeros
Variable types: 0 continuous, 44730 integer (44730 binary)
Found heuristic solution: objective 211.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   27867    3.0000796e+00   8.673688e+01   0.000000e+00      5s
   32859    3.0000853e+00   8.269061e+00   0.000000e+00     10s
   37467    3.0000900e+00   2.297143e-01   0.000000e+00     15s
   37526    3.0000000e+00   0.000000e+00   0.000000e+00     15s

Root relaxation: objective 3.000000e+00, 37526 iterations, 15.09 seconds
Total elapsed time = 44.23s
Total elapsed time = 47.32s

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

     0     0    3.00000    0   52  211.00000    3.00000  98.6%     -   49s
H    0     0                       3.0000000    3.00000   0.0%     -   49s

Explored 0 nodes (111257 simplex iterations) in 49.44 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%