Gurobi 5.0.1 (linux64) logging started Sat Nov 17 09:40:28 2012

Optimize a model with 70469 rows, 59292 columns and 269485 nonzeros
Presolve removed 509 rows and 5105 columns
Presolve time: 1.94s
Presolved: 69960 rows, 54187 columns, 262591 nonzeros
Variable types: 0 continuous, 54187 integer (54187 binary)
Found heuristic solution: objective 243.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   32783    3.0000883e+00   2.356250e+01   0.000000e+00      5s
   36583    3.0000909e+00   7.549754e+01   0.000000e+00     10s
   39623    3.0000939e+00   1.524383e+01   0.000000e+00     15s
   42815    3.0000970e+00   8.363472e+00   0.000000e+00     20s
   46767    3.0001025e+00   8.566667e+01   0.000000e+00     25s
   50508    3.0000000e+00   0.000000e+00   0.000000e+00     30s

Root relaxation: objective 3.000000e+00, 50508 iterations, 29.84 seconds
Total elapsed time = 84.03s
Total elapsed time = 87.64s
Total elapsed time = 90.38s

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0    3.00000    0   62  243.00000    3.00000  98.8%     -   92s
H    0     0                       3.0000000    3.00000   0.0%     -   92s

Explored 0 nodes (142705 simplex iterations) in 92.77 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%