Gurobi 5.0.1 (linux64) logging started Sat Nov 17 04:00:50 2012

Optimize a model with 64287 rows, 50400 columns and 242142 nonzeros
Presolve removed 450 rows and 2 columns
Presolve time: 4.85s
Presolved: 64061 rows, 50398 columns, 290628 nonzeros
Variable types: 0 continuous, 50398 integer (50398 binary)
Found heuristic solution: objective 224.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   34553    3.0001276e+00   4.462500e+02   0.000000e+00      5s
   39138    3.0001505e+00   2.115000e+02   0.000000e+00     10s
   45124    3.0001629e+00   6.702359e+02   0.000000e+00     15s
   47898    3.0001688e+00   2.493541e+01   0.000000e+00     20s
   50818    3.0001737e+00   1.270519e+02   0.000000e+00     25s
   53738    3.0001778e+00   6.771389e+01   0.000000e+00     30s
   56804    3.0001827e+00   8.335506e+01   0.000000e+00     35s
   59870    3.0001846e+00   9.062611e-01   0.000000e+00     40s
   60201    3.0000000e+00   0.000000e+00   0.000000e+00     41s

Root relaxation: objective 3.000000e+00, 60201 iterations, 40.75 seconds
Total elapsed time = 84.23s
Total elapsed time = 86.43s

    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%     -   87s

Explored 0 nodes (129851 simplex iterations) in 87.23 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%