Gurobi 5.0.1 (linux64) logging started Sat Nov 17 09:42:03 2012

Optimize a model with 70226 rows, 59292 columns and 268756 nonzeros
Presolve removed 507 rows and 4619 columns
Presolve time: 1.93s
Presolved: 69719 rows, 54673 columns, 262350 nonzeros
Variable types: 0 continuous, 54673 integer (54673 binary)
Found heuristic solution: objective 243.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   36822    3.0000801e+00   4.554000e+02   0.000000e+00      5s
   41534    3.0000908e+00   1.563082e+02   0.000000e+00     10s
   45334    3.0000938e+00   3.179411e+01   0.000000e+00     15s
   48526    3.0000955e+00   4.169108e+02   0.000000e+00     20s
   51718    3.0000975e+00   2.089702e+01   0.000000e+00     25s
   54758    3.0000988e+00   2.407426e+01   0.000000e+00     30s
   57646    3.0000998e+00   1.018307e+01   0.000000e+00     35s
   60382    3.0001005e+00   1.014475e+01   0.000000e+00     40s
   63574    3.0001010e+00   4.317425e+00   0.000000e+00     45s
   64943    3.0000000e+00   0.000000e+00   0.000000e+00     47s

Root relaxation: objective 3.000000e+00, 64943 iterations, 47.20 seconds
Total elapsed time = 105.18s

    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%     -  112s

Explored 0 nodes (150337 simplex iterations) in 112.04 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%