Gurobi 5.0.1 (linux64) logging started Sat Nov 17 05:46:28 2012

Optimize a model with 61142 rows, 52670 columns and 234952 nonzeros
Presolve removed 918 rows and 2 columns
Presolve time: 1.48s
Presolved: 60453 rows, 52668 columns, 284577 nonzeros
Variable types: 0 continuous, 52668 integer (52668 binary)
Found heuristic solution: objective 229.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   35378    3.0001021e+00   9.220000e+02   0.000000e+00      5s
   41576    3.0001260e+00   3.777500e+02   0.000000e+00     10s
   46058    3.0001375e+00   2.591667e+02   0.000000e+00     15s
   49970    3.0001460e+00   1.501667e+02   0.000000e+00     20s
   53605    3.0001535e+00   6.308333e+01   0.000000e+00     25s
   56091    3.0000000e+00   0.000000e+00   0.000000e+00     29s

Root relaxation: objective 3.000000e+00, 56091 iterations, 29.34 seconds
Total elapsed time = 76.21s
Total elapsed time = 88.41s

    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%     -   90s

Explored 0 nodes (143516 simplex iterations) in 90.06 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%