Gurobi 5.0.1 (linux64) logging started Sat Nov 17 00:35:45 2012

Optimize a model with 47631 rows, 43472 columns and 185326 nonzeros
Presolve removed 418 rows and 2 columns
Presolve time: 1.10s
Presolved: 47421 rows, 43470 columns, 227096 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
   33465    3.0000813e+00   1.870439e+02   0.000000e+00      5s
   38329    3.0000864e+00   3.645934e+01   0.000000e+00     10s
   43065    3.0000904e+00   6.794790e+01   0.000000e+00     15s
   44184    3.0000000e+00   0.000000e+00   0.000000e+00     16s

Root relaxation: objective 3.000000e+00, 44184 iterations, 16.20 seconds
Total elapsed time = 44.39s
Total elapsed time = 71.65s

    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%     -   72s

Explored 0 nodes (126171 simplex iterations) in 72.46 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%