Gurobi 5.0.1 (linux64) logging started Sat Nov 17 04:47:22 2012

Optimize a model with 59019 rows, 51756 columns and 227679 nonzeros
Presolve removed 481 rows and 5677 columns
Presolve time: 1.55s
Presolved: 58538 rows, 46079 columns, 220353 nonzeros
Variable types: 0 continuous, 46079 integer (46079 binary)
Found heuristic solution: objective 227.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   36615    3.0000967e+00   3.655000e+02   0.000000e+00      5s
   47004    3.0001444e+00   1.114046e+02   0.000000e+00     10s
   51064    3.0001464e+00   1.420845e+01   0.000000e+00     15s
   55124    3.0001482e+00   3.714680e+01   0.000000e+00     20s
   59044    3.0001500e+00   1.906591e+01   0.000000e+00     25s
   63104    3.0001520e+00   2.626016e+01   0.000000e+00     30s
   67024    3.0001537e+00   1.531410e+02   0.000000e+00     35s
   67648    3.0000000e+00   0.000000e+00   0.000000e+00     36s

Root relaxation: objective 3.000000e+00, 67648 iterations, 35.77 seconds
Total elapsed time = 60.98s
Total elapsed time = 65.27s

    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%     -   66s

Explored 0 nodes (155938 simplex iterations) in 66.87 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%