Gurobi 5.0.1 (linux64) logging started Sat Nov 17 02:33:53 2012

Optimize a model with 54749 rows, 48180 columns and 211333 nonzeros
Presolve removed 440 rows and 2 columns
Presolve time: 1.38s
Presolved: 54528 rows, 48178 columns, 257703 nonzeros
Variable types: 0 continuous, 48178 integer (48178 binary)
Found heuristic solution: objective 219.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   35627    3.0000878e+00   1.166238e+02   0.000000e+00      5s
   39027    3.0000917e+00   2.427284e+01   0.000000e+00     10s
   43107    3.0000957e+00   3.658101e+01   0.000000e+00     15s
   46779    3.0000990e+00   8.019101e+01   0.000000e+00     20s
   49258    3.0000000e+00   0.000000e+00   0.000000e+00     23s

Root relaxation: objective 3.000000e+00, 49258 iterations, 23.26 seconds
Total elapsed time = 61.11s
Total elapsed time = 67.20s

    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%     -   74s

Explored 0 nodes (133401 simplex iterations) in 74.70 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%