Gurobi 5.0.1 (linux64) logging started Sat Nov 17 01:42:13 2012

Optimize a model with 58049 rows, 46440 columns and 219513 nonzeros
Presolve removed 1937 rows and 2 columns
Presolve time: 4.27s
Presolved: 56327 rows, 46438 columns, 260486 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
   33595    3.0000812e+00   5.881818e+01   0.000000e+00      5s
   38057    3.0000920e+00   2.110000e+02   0.000000e+00     10s
   42073    3.0000995e+00   2.585000e+02   0.000000e+00     15s
   45523    3.0001061e+00   3.813149e+01   0.000000e+00     20s
   47298    3.0000000e+00   0.000000e+00   0.000000e+00     22s

Root relaxation: objective 3.000000e+00, 47298 iterations, 22.16 seconds
Total elapsed time = 52.40s
Total elapsed time = 56.08s

    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%     -   58s

Explored 0 nodes (124000 simplex iterations) in 58.30 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%