Gurobi 5.0.1 (linux64) logging started Sat Nov 17 01:36:54 2012

Optimize a model with 51145 rows, 46010 columns and 198376 nonzeros
Presolve removed 430 rows and 2 columns
Presolve time: 1.32s
Presolved: 50929 rows, 46008 columns, 242628 nonzeros
Variable types: 0 continuous, 46008 integer (46008 binary)
Found heuristic solution: objective 214.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   32509    3.0001256e+00   3.260000e+02   0.000000e+00      5s
   40964    3.0001541e+00   9.350000e+01   0.000000e+00     10s
   47841    3.0001691e+00   4.400000e+01   0.000000e+00     15s
   49267    3.0000000e+00   0.000000e+00   0.000000e+00     17s

Root relaxation: objective 3.000000e+00, 49267 iterations, 16.53 seconds
Total elapsed time = 39.71s
Total elapsed time = 43.81s

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

*    0     0               0       3.0000000    3.00000   0.0%     -   45s

Explored 0 nodes (104305 simplex iterations) in 45.88 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%