Gurobi 5.0.1 (linux64) logging started Sat Nov 17 10:01:21 2012

Optimize a model with 74419 rows, 59780 columns and 281818 nonzeros
Presolve removed 1726 rows and 4392 columns (presolve time = 5s) ...
Presolve removed 1728 rows and 4394 columns
Presolve time: 6.37s
Presolved: 72691 rows, 55386 columns, 272682 nonzeros
Variable types: 0 continuous, 55386 integer (55386 binary)
Found heuristic solution: objective 244.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   32309    2.8750920e+00   6.625000e+01   0.000000e+00      5s
   41507    3.0000977e+00   1.385502e+02   0.000000e+00     10s
   46002    3.0001039e+00   8.376310e+01   0.000000e+00     15s
   49257    3.0001065e+00   2.188303e+01   0.000000e+00     20s
   51737    3.0001077e+00   7.775681e+01   0.000000e+00     25s
   54372    3.0001089e+00   2.915121e+01   0.000000e+00     30s
   57007    3.0001102e+00   9.945444e+01   0.000000e+00     35s
   59797    3.0001125e+00   1.676122e+01   0.000000e+00     40s
   62432    3.0001144e+00   3.867279e+01   0.000000e+00     45s
   65067    3.0001164e+00   8.367353e+00   0.000000e+00     50s
   67392    3.0001168e+00   2.644309e+01   0.000000e+00     55s
   68548    3.0000000e+00   0.000000e+00   0.000000e+00     58s

Root relaxation: objective 3.000000e+00, 68548 iterations, 57.64 seconds
Total elapsed time = 135.82s
Total elapsed time = 140.99s

    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%     -  147s

Explored 0 nodes (163908 simplex iterations) in 147.12 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%