Gurobi 5.0.1 (linux64) logging started Sat Nov 17 06:12:57 2012

Optimize a model with 62789 rows, 53130 columns and 240348 nonzeros
Presolve removed 479 rows and 3912 columns
Presolve time: 1.58s
Presolved: 62310 rows, 49218 columns, 234746 nonzeros
Variable types: 0 continuous, 49218 integer (49218 binary)
Found heuristic solution: objective 230.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   37784    3.0001457e+00   3.263333e+02   0.000000e+00      5s
   43893    3.0001702e+00   1.208333e+02   0.000000e+00     10s
   48821    3.0001780e+00   1.445000e+02   0.000000e+00     15s
   52853    3.0001846e+00   4.792514e+01   0.000000e+00     20s
   55733    3.0001888e+00   3.745331e+01   0.000000e+00     25s
   59333    3.0001921e+00   3.689754e-01   0.000000e+00     30s
   59763    3.0000000e+00   0.000000e+00   0.000000e+00     31s

Root relaxation: objective 3.000000e+00, 59763 iterations, 30.70 seconds
Total elapsed time = 53.42s
Total elapsed time = 58.23s
Total elapsed time = 61.16s

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0    3.00000    0   46  230.00000    3.00000  98.7%     -   61s
H    0     0                       3.0000000    3.00000   0.0%     -   61s

Explored 0 nodes (157000 simplex iterations) in 61.60 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%