Gurobi 5.0.1 (linux64) logging started Sat Nov 17 06:45:50 2012

Optimize a model with 65655 rows, 54056 columns and 249862 nonzeros
Presolve removed 483 rows and 3946 columns
Presolve time: 4.72s
Presolved: 65172 rows, 50110 columns, 244196 nonzeros
Variable types: 0 continuous, 50110 integer (50110 binary)
Found heuristic solution: objective 232.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   38435    3.0001422e+00   1.980000e+02   0.000000e+00      5s
   44618    3.0001746e+00   3.836842e+01   0.000000e+00     10s
   49028    3.0001828e+00   2.494572e+01   0.000000e+00     15s
   51821    3.0001879e+00   3.115186e+01   0.000000e+00     20s
   55055    3.0001952e+00   2.655261e+02   0.000000e+00     25s
   57995    3.0002013e+00   8.802047e+00   0.000000e+00     30s
   60935    3.0002072e+00   2.182447e+01   0.000000e+00     35s
   63728    3.0002117e+00   1.946584e+02   0.000000e+00     40s
   66668    3.0002167e+00   7.293998e+01   0.000000e+00     45s
   69461    3.0002210e+00   1.614271e+02   0.000000e+00     50s
   71224    3.0000000e+00   0.000000e+00   0.000000e+00     53s

Root relaxation: objective 3.000000e+00, 71224 iterations, 53.00 seconds
Total elapsed time = 93.45s

    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%     -   95s

Explored 0 nodes (130094 simplex iterations) in 95.24 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%