Gurobi 5.0.1 (linux64) logging started Sat Nov 17 00:21:08 2012

Optimize a model with 47195 rows, 43056 columns and 183607 nonzeros
Presolve removed 431 rows and 3107 columns
Presolve time: 1.23s
Presolved: 46764 rows, 39949 columns, 179015 nonzeros
Variable types: 0 continuous, 39949 integer (39949 binary)
Found heuristic solution: objective 207.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   33169    3.0001322e+00   5.850000e+01   0.000000e+00      5s
   38799    3.0001489e+00   2.007251e+02   0.000000e+00     10s
   44133    3.0001536e+00   9.906979e+01   0.000000e+00     15s
   48324    3.0001597e+00   1.485394e+01   0.000000e+00     20s
   49768    3.0000000e+00   0.000000e+00   0.000000e+00     22s

Root relaxation: objective 3.000000e+00, 49768 iterations, 21.91 seconds
Total elapsed time = 42.59s

    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%     -   43s

Explored 0 nodes (95314 simplex iterations) in 43.70 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%