Gurobi 5.0.1 (linux64) logging started Sat Nov 17 06:16:17 2012

Optimize a model with 66239 rows, 53130 columns and 250698 nonzeros
Presolve removed 938 rows and 3682 columns
Presolve time: 5.01s
Presolved: 65301 rows, 49448 columns, 244150 nonzeros
Variable types: 0 continuous, 49448 integer (49448 binary)
Found heuristic solution: objective 230.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   32128    3.0000922e+00   3.028571e+01   0.000000e+00      5s
   36097    3.0000961e+00   1.620045e+01   0.000000e+00     10s
   39625    3.0000996e+00   2.245700e+01   0.000000e+00     15s
   43006    3.0001026e+00   1.109504e+01   0.000000e+00     20s
   46681    3.0001063e+00   2.439326e+01   0.000000e+00     25s
   50356    3.0001125e+00   1.041212e+02   0.000000e+00     30s
   53296    3.0001156e+00   7.144113e+00   0.000000e+00     35s
   54930    3.0000000e+00   0.000000e+00   0.000000e+00     38s

Root relaxation: objective 3.000000e+00, 54930 iterations, 37.78 seconds
Total elapsed time = 86.55s
Total elapsed time = 107.31s
Total elapsed time = 110.15s

    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%     -  110s

Explored 0 nodes (142096 simplex iterations) in 110.81 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%