Gurobi 5.0.1 (linux64) logging started Fri Jan 18 02:47:13 2013

Optimize a model with 140 rows, 2030 columns and 5040 nonzeros
Presolve removed 10 rows and 10 columns
Presolve time: 0.00s
Presolved: 130 rows, 2020 columns, 4030 nonzeros
Variable types: 2020 continuous, 0 integer (0 binary)

Root relaxation: objective 1.937272e+04, 94 iterations, 0.00 seconds

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

     0     0 19372.7157    0    2          - 19372.7157     -      -    0s
     0     2 19372.7157    0    2          - 19372.7157     -      -    0s
*   28     8              14    19513.736503 19512.8943  0.00%   3.8    0s

Explored 29 nodes (201 simplex iterations) in 0.03 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.951373650331e+04, best bound 1.951289426354e+04, gap 0.0043%