Gurobi 5.0.1 (linux64) logging started Sat Nov 17 02:54:24 2012

Optimize a model with 52579 rows, 48620 columns and 205258 nonzeros
Presolve removed 882 rows and 2 columns
Presolve time: 1.34s
Presolved: 51917 rows, 48618 columns, 250988 nonzeros
Variable types: 0 continuous, 48618 integer (48618 binary)
Found heuristic solution: objective 220.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   29532    3.0000823e+00   1.297143e+01   0.000000e+00      5s
   34187    3.0000857e+00   6.548644e+00   0.000000e+00     10s
   38310    3.0000895e+00   5.931842e+01   0.000000e+00     15s
   42230    3.0000000e+00   0.000000e+00   0.000000e+00     19s

Root relaxation: objective 3.000000e+00, 42230 iterations, 18.97 seconds
Total elapsed time = 43.79s
Total elapsed time = 45.79s

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

     0     0    3.00000    0   72  220.00000    3.00000  98.6%     -   47s
H    0     0                       3.0000000    3.00000   0.0%     -   47s

Explored 0 nodes (100507 simplex iterations) in 47.81 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%