Gurobi 5.0.1 (linux64) logging started Sat Nov 17 01:22:56 2012

Optimize a model with 56018 rows, 45582 columns and 212572 nonzeros
Presolve removed 868 rows and 2984 columns
Presolve time: 3.86s
Presolved: 55150 rows, 42598 columns, 206942 nonzeros
Variable types: 0 continuous, 42598 integer (42598 binary)
Found heuristic solution: objective 213.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   29642    3.0000849e+00   1.789083e+01   0.000000e+00      5s
   34574    3.0000879e+00   1.066348e+02   0.000000e+00     10s
   38410    3.0000921e+00   3.433913e+01   0.000000e+00     15s
   42520    3.0000975e+00   1.920251e+01   0.000000e+00     20s
   46356    3.0001021e+00   1.730510e+00   0.000000e+00     25s
   47360    3.0000000e+00   0.000000e+00   0.000000e+00     26s

Root relaxation: objective 3.000000e+00, 47360 iterations, 26.16 seconds
Total elapsed time = 53.36s
Total elapsed time = 56.30s

    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%     -   56s

Explored 0 nodes (111925 simplex iterations) in 56.46 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%