Gurobi 5.0.1 (linux64) logging started Sat Nov 17 04:32:13 2012

Optimize a model with 60115 rows, 51302 columns and 230518 nonzeros
Presolve removed 1374 rows and 3618 columns
Presolve time: 1.64s
Presolved: 58741 rows, 47684 columns, 222992 nonzeros
Variable types: 0 continuous, 47684 integer (47684 binary)
Found heuristic solution: objective 226.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   35117    3.0000877e+00   2.356522e+01   0.000000e+00      5s
   40017    3.0000929e+00   1.429987e+02   0.000000e+00     10s
   43657    3.0000971e+00   7.304292e+01   0.000000e+00     15s
   47017    3.0001001e+00   4.312468e+01   0.000000e+00     20s
   50657    3.0001039e+00   1.160764e+01   0.000000e+00     25s
   53783    3.0000000e+00   0.000000e+00   0.000000e+00     28s

Root relaxation: objective 3.000000e+00, 53783 iterations, 28.41 seconds
Total elapsed time = 59.27s
Total elapsed time = 60.62s
Total elapsed time = 67.54s

    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%     -   69s

Explored 0 nodes (144157 simplex iterations) in 69.69 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%