Gurobi 5.0.1 (linux64) logging started Fri Jan 18 02:46:15 2013

Optimize a model with 28 rows, 120 columns and 945 nonzeros
Presolve removed 26 rows and 118 columns
Presolve time: 0.00s
Presolved: 2 rows, 2 columns, 4 nonzeros
Variable types: 2 continuous, 0 integer (0 binary)

Root relaxation: objective 3.439533e+03, 1 iterations, 0.00 seconds

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

*    0     0               0    3439.5326049 3439.53260   0.0%     -    0s

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

Optimal solution found (tolerance 1.00e-04)
Warning: max constraint violation (3.5325e-06) exceeds tolerance
Best objective 3.439532604913e+03, best bound 3.439532604913e+03, gap 0.0%