Gurobi 5.0.1 (linux64) logging started Sat Nov 17 05:43:21 2012

Optimize a model with 61600 rows, 52670 columns and 236326 nonzeros
Presolve removed 460 rows and 2 columns
Presolve time: 1.46s
Presolved: 61369 rows, 52668 columns, 287088 nonzeros
Variable types: 0 continuous, 52668 integer (52668 binary)
Found heuristic solution: objective 229.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   27865    3.0000907e+00   2.468182e+01   0.000000e+00      5s
   31756    3.0000932e+00   1.568245e+01   0.000000e+00     10s
   35188    3.0000961e+00   7.752542e+01   0.000000e+00     15s
   38620    3.0000995e+00   1.715928e+01   0.000000e+00     20s
   41909    3.0001025e+00   7.156146e+00   0.000000e+00     25s
   45341    3.0001063e+00   6.978517e+00   0.000000e+00     30s
   48028    3.0000000e+00   0.000000e+00   0.000000e+00     34s

Root relaxation: objective 3.000000e+00, 48028 iterations, 34.27 seconds
Total elapsed time = 77.75s
Total elapsed time = 80.23s

    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%     -   81s

Explored 0 nodes (116608 simplex iterations) in 81.23 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%