Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:55:10 2013

Optimize a model with 68 rows, 164 columns and 402 nonzeros
Presolve removed 63 rows and 139 columns
Presolve time: 0.00s
Presolved: 5 rows, 25 columns, 49 nonzeros
Variable types: 24 continuous, 1 integer (1 binary)

Root relaxation: objective 3.893838e+03, 5 iterations, 0.00 seconds

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

*    0     0               0    3893.8380717 3893.83807   0.0%     -    0s

Explored 0 nodes (5 simplex iterations) in 0.00 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.893838071713e+03, best bound 3.893838071713e+03, gap 0.0%