Gurobi 5.0.1 (linux64) logging started Sat Nov 17 02:05:43 2012

Optimize a model with 59023 rows, 47306 columns and 223291 nonzeros
Presolve removed 1738 rows and 2 columns
Presolve time: 4.28s
Presolved: 57502 rows, 47304 columns, 265512 nonzeros
Variable types: 0 continuous, 47304 integer (47304 binary)
Found heuristic solution: objective 217.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   28916    3.0000812e+00   2.010345e+01   0.000000e+00      5s
   33503    3.0000846e+00   5.872365e+01   0.000000e+00     10s
   36978    3.0000883e+00   1.949562e+01   0.000000e+00     15s
   40453    3.0000920e+00   8.896598e+01   0.000000e+00     20s
   44067    3.0000971e+00   1.583544e+01   0.000000e+00     25s
   46306    3.0000000e+00   0.000000e+00   0.000000e+00     28s

Root relaxation: objective 3.000000e+00, 46306 iterations, 27.65 seconds
Total elapsed time = 75.89s
Total elapsed time = 83.76s

    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%     -   85s

Explored 0 nodes (158837 simplex iterations) in 85.06 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%