Gurobi 5.0.1 (linux64) logging started Fri Nov 16 23:24:21 2012

Optimize a model with 45599 rows, 40200 columns and 175998 nonzeros
Presolve removed 422 rows and 4002 columns
Presolve time: 1.17s
Presolved: 45177 rows, 36198 columns, 170546 nonzeros
Variable types: 0 continuous, 36198 integer (36198 binary)
Found heuristic solution: objective 200.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   31334    3.0001348e+00   6.971429e+01   0.000000e+00      5s
   38086    3.0001465e+00   5.788503e+01   0.000000e+00     10s
   43461    3.0001500e+00   3.076084e+02   0.000000e+00     15s
   48711    3.0001531e+00   1.255840e+02   0.000000e+00     20s
   52097    3.0000000e+00   0.000000e+00   0.000000e+00     23s

Root relaxation: objective 3.000000e+00, 52097 iterations, 23.30 seconds
Total elapsed time = 46.21s

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

     0     0    3.00000    0   50  200.00000    3.00000  98.5%     -   48s
H    0     0                       3.0000000    3.00000   0.0%     -   48s

Explored 0 nodes (102200 simplex iterations) in 48.79 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%