Gurobi 5.0.1 (linux64) logging started Sat Nov 17 00:37:52 2012

Optimize a model with 50959 rows, 43472 columns and 195310 nonzeros
Presolve removed 418 rows and 2 columns
Presolve time: 1.25s
Presolved: 50749 rows, 43470 columns, 237048 nonzeros
Variable types: 0 continuous, 43470 integer (43470 binary)
Found heuristic solution: objective 208.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   32348    3.0000787e+00   3.028750e+02   0.000000e+00      5s
   36572    3.0000837e+00   1.598889e+01   0.000000e+00     10s
   40664    3.0000876e+00   5.582103e+01   0.000000e+00     15s
   44360    3.0000896e+00   7.845820e+01   0.000000e+00     20s
   47634    3.0000000e+00   0.000000e+00   0.000000e+00     24s

Root relaxation: objective 3.000000e+00, 47634 iterations, 24.23 seconds

    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%     -   51s

Explored 0 nodes (79520 simplex iterations) in 51.62 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%