Gurobi 5.0.1 (linux64) logging started Sat Nov 17 05:05:20 2012

Optimize a model with 63786 rows, 51756 columns and 241980 nonzeros
Presolve removed 1818 rows and 2 columns
Presolve time: 4.62s
Presolved: 62195 rows, 51754 columns, 288423 nonzeros
Variable types: 0 continuous, 51754 integer (51754 binary)
Found heuristic solution: objective 227.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   38601    3.0000840e+00   4.018182e+01   0.000000e+00      5s
   45823    3.0000941e+00   2.337198e+02   0.000000e+00     10s
   48991    3.0000970e+00   1.360088e+02   0.000000e+00     15s
   52159    3.0000994e+00   1.113245e+01   0.000000e+00     20s
   55471    3.0001021e+00   3.553014e+01   0.000000e+00     25s
   58495    3.0001036e+00   1.354321e+01   0.000000e+00     30s
   61375    3.0001044e+00   4.161819e+00   0.000000e+00     35s
   62635    3.0000000e+00   0.000000e+00   0.000000e+00     37s

Root relaxation: objective 3.000000e+00, 62635 iterations, 37.27 seconds
Total elapsed time = 87.81s
Total elapsed time = 90.19s

    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%     -   92s

Explored 0 nodes (150922 simplex iterations) in 92.93 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%