Gurobi 5.0.1 (linux64) logging started Sat Nov 17 02:01:42 2012

Optimize a model with 56636 rows, 47306 columns and 216130 nonzeros
Presolve removed 1539 rows and 3908 columns
Presolve time: 1.45s
Presolved: 55097 rows, 43398 columns, 208027 nonzeros
Variable types: 0 continuous, 43398 integer (43398 binary)
Found heuristic solution: objective 217.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   34328    3.0000805e+00   2.896667e+01   0.000000e+00      5s
   39711    3.0000874e+00   3.394409e+01   0.000000e+00     10s
   43519    3.0000914e+00   5.149199e+01   0.000000e+00     15s
   47055    3.0000942e+00   1.768777e+02   0.000000e+00     20s
   50727    3.0000975e+00   2.015722e+01   0.000000e+00     25s
   54399    3.0001011e+00   1.136325e+02   0.000000e+00     30s
   57935    3.0001049e+00   1.433575e+00   0.000000e+00     35s
   58932    3.0000000e+00   0.000000e+00   0.000000e+00     37s

Root relaxation: objective 3.000000e+00, 58932 iterations, 36.64 seconds
Total elapsed time = 76.63s
Total elapsed time = 81.29s

    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%     -   82s

Explored 0 nodes (139706 simplex iterations) in 82.35 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%