Gurobi 5.0.1 (linux64) logging started Fri Nov 16 23:46:01 2012

Optimize a model with 46892 rows, 41412 columns and 181074 nonzeros
Presolve removed 423 rows and 3047 columns
Presolve time: 1.19s
Presolved: 46469 rows, 38365 columns, 176556 nonzeros
Variable types: 0 continuous, 38365 integer (38365 binary)
Found heuristic solution: objective 203.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   27140    3.0000811e+00   3.039286e+01   0.000000e+00      5s
   32558    3.0000832e+00   3.474982e+01   0.000000e+00     10s
   35319    3.0000000e+00   0.000000e+00   0.000000e+00     12s

Root relaxation: objective 3.000000e+00, 35319 iterations, 12.37 seconds
Total elapsed time = 30.19s

    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%     -   32s

Explored 0 nodes (86956 simplex iterations) in 32.79 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%