Gurobi 5.0.1 (linux64) logging started Sat Nov 17 00:28:03 2012

Optimize a model with 50714 rows, 43056 columns and 194164 nonzeros
Presolve removed 1244 rows and 2 columns
Presolve time: 1.24s
Presolved: 49677 rows, 43054 columns, 233430 nonzeros
Variable types: 0 continuous, 43054 integer (43054 binary)
Found heuristic solution: objective 207.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   28984    3.0000798e+00   1.123333e+02   0.000000e+00      5s
   33665    3.0000834e+00   2.950261e+01   0.000000e+00     10s
   37435    3.0000866e+00   9.595988e+01   0.000000e+00     15s
   41205    3.0000906e+00   3.950171e+01   0.000000e+00     20s
   42410    3.0000000e+00   0.000000e+00   0.000000e+00     22s

Root relaxation: objective 3.000000e+00, 42410 iterations, 21.60 seconds
Total elapsed time = 53.09s
Total elapsed time = 56.38s

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

     0     0    3.00000    0   87  207.00000    3.00000  98.6%     -   56s
H    0     0                       3.0000000    3.00000   0.0%     -   56s

Explored 0 nodes (102068 simplex iterations) in 56.79 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%