Gurobi 5.0.1 (linux64) logging started Sat Nov 17 05:08:35 2012

Optimize a model with 66575 rows, 52212 columns and 250798 nonzeros
Presolve removed 931 rows and 3878 columns
Presolve time: 4.88s
Presolved: 65644 rows, 48334 columns, 244066 nonzeros
Variable types: 0 continuous, 48334 integer (48334 binary)
Found heuristic solution: objective 228.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   36938    3.0000859e+00   4.035254e+02   0.000000e+00      5s
   43154    3.0000979e+00   6.155682e+01   0.000000e+00     10s
   47150    3.0001013e+00   1.616852e+02   0.000000e+00     15s
   50850    3.0001039e+00   1.669944e+03   0.000000e+00     20s
   54106    3.0001059e+00   5.040791e+01   0.000000e+00     25s
   57362    3.0001078e+00   7.553000e+02   0.000000e+00     30s
   60766    3.0001100e+00   1.622187e+02   0.000000e+00     35s
   63874    3.0001120e+00   2.324627e+01   0.000000e+00     40s
   66982    3.0001140e+00   4.105000e+02   0.000000e+00     45s
   70238    3.0001158e+00   5.118620e+02   0.000000e+00     50s
   73198    3.0001173e+00   2.646655e+01   0.000000e+00     55s
   76158    3.0001190e+00   1.547242e+01   0.000000e+00     60s
   78970    3.0001206e+00   2.962602e+02   0.000000e+00     65s
   81551    3.0000000e+00   0.000000e+00   0.000000e+00     69s

Root relaxation: objective 3.000000e+00, 81551 iterations, 69.49 seconds
Total elapsed time = 109.28s
Total elapsed time = 117.86s

    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%     -  120s

Explored 0 nodes (184038 simplex iterations) in 120.54 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%