Gurobi 5.0.1 (linux64) logging started Sat Nov 17 01:43:16 2012

Optimize a model with 48374 rows, 46440 columns and 190488 nonzeros
Presolve removed 1722 rows and 2 columns
Presolve time: 1.25s
Presolved: 46867 rows, 46438 columns, 231979 nonzeros
Variable types: 0 continuous, 46438 integer (46438 binary)
Found heuristic solution: objective 215.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   25041    3.0000826e+00   7.375000e+00   0.000000e+00      5s
   30375    3.0000857e+00   8.715411e+01   0.000000e+00     10s
   30895    3.0000000e+00   0.000000e+00   0.000000e+00     10s

Root relaxation: objective 3.000000e+00, 30895 iterations, 10.37 seconds
Total elapsed time = 37.37s

    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%     -   38s

Explored 0 nodes (75987 simplex iterations) in 38.41 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%