Gurobi 5.0.1 (linux64) logging started Fri Jan 18 02:46:22 2013

Optimize a model with 28 rows, 246 columns and 688 nonzeros
Presolve removed 22 rows and 24 columns
Presolve time: 0.00s
Presolved: 6 rows, 222 columns, 442 nonzeros
Variable types: 222 continuous, 0 integer (0 binary)

Root relaxation: objective 4.810927e+03, 8 iterations, 0.00 seconds

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

     0     0 4810.92679    0    2          - 4810.92679     -      -    0s
     0     2 4810.92679    0    2          - 4810.92679     -      -    0s
*   25     5              13    4831.1180431 4831.10543  0.00%   1.4    0s

Explored 26 nodes (43 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.831118043089e+03, best bound 4.831105432934e+03, gap 0.0003%