Gurobi 5.0.1 (linux64) logging started Sat Nov 17 07:35:31 2012

Optimize a model with 65843 rows, 55932 columns and 252282 nonzeros
Presolve removed 967 rows and 4958 columns
Presolve time: 1.79s
Presolved: 64876 rows, 50974 columns, 244416 nonzeros
Variable types: 0 continuous, 50974 integer (50974 binary)
Found heuristic solution: objective 236.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   33392    3.0000971e+00   3.466667e+01   0.000000e+00      5s
   37361    3.0001009e+00   6.975734e+02   0.000000e+00     10s
   40595    3.0001045e+00   2.080107e+01   0.000000e+00     15s
   44270    3.0001102e+00   1.789103e+01   0.000000e+00     20s
   48092    3.0001169e+00   1.398480e+01   0.000000e+00     25s
   48469    3.0000000e+00   0.000000e+00   0.000000e+00     26s

Root relaxation: objective 3.000000e+00, 48469 iterations, 25.80 seconds
Total elapsed time = 93.01s
Total elapsed time = 97.16s

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

     0     0    3.00000    0  176  236.00000    3.00000  98.7%     -  101s
H    0     0                       3.0000000    3.00000   0.0%     -  102s

Explored 0 nodes (163687 simplex iterations) in 102.31 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%