Gurobi 5.0.1 (linux64) logging started Sat Nov 17 05:25:39 2012

Optimize a model with 64979 rows, 52212 columns and 246010 nonzeros
Presolve removed 2736 rows and 0 columns (presolve time = 5s) ...
Presolve removed 2738 rows and 2 columns
Presolve time: 5.21s
Presolved: 62469 rows, 52210 columns, 290608 nonzeros
Variable types: 0 continuous, 52210 integer (52210 binary)
Found heuristic solution: objective 228.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   31695    3.0000929e+00   1.910714e+01   0.000000e+00      5s
   35583    3.0000960e+00   3.970856e+02   0.000000e+00     10s
   38895    3.0000991e+00   5.532709e+01   0.000000e+00     15s
   41919    3.0001013e+00   1.180706e+01   0.000000e+00     20s
   45087    3.0001041e+00   4.616850e+01   0.000000e+00     25s
   48111    3.0001067e+00   9.846331e+00   0.000000e+00     30s
   51279    3.0001105e+00   8.547236e+00   0.000000e+00     35s
   54303    3.0001141e+00   6.284457e+00   0.000000e+00     40s
   56655    3.0000000e+00   0.000000e+00   0.000000e+00     45s

Root relaxation: objective 3.000000e+00, 56655 iterations, 44.67 seconds
Total elapsed time = 106.28s
Total elapsed time = 128.66s
Total elapsed time = 132.68s
Total elapsed time = 135.01s

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0    3.00000    0   78  228.00000    3.00000  98.7%     -  135s
H    0     0                       3.0000000    3.00000   0.0%     -  135s

Explored 0 nodes (182901 simplex iterations) in 135.29 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%