Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:16:12 2013

Optimize a model with 32 rows, 56 columns and 114 nonzeros
Presolve removed 30 rows and 36 columns
Presolve time: 0.00s
Presolved: 2 rows, 20 columns, 38 nonzeros
Variable types: 20 continuous, 0 integer (0 binary)

Root relaxation: objective 3.891869e+03, 3 iterations, 0.00 seconds

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

*    0     0               0    3891.8690171 3891.86902   0.0%     -    0s

Explored 0 nodes (3 simplex iterations) in 0.00 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.891869017144e+03, best bound 3.891869017144e+03, gap 0.0%