Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:43:38 2013

Optimize a model with 140 rows, 1080 columns and 2190 nonzeros
Presolve removed 10 rows and 10 columns
Presolve time: 0.00s
Presolved: 130 rows, 1070 columns, 2130 nonzeros
Variable types: 1070 continuous, 0 integer (0 binary)

Root relaxation: objective 1.836170e+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 18361.7044    0    1          - 18361.7044     -      -    0s
H    0     0                    18420.834144 18361.7044  0.32%     -    0s
     0     2 18361.7044    0    1 18420.8341 18361.7044  0.32%     -    0s
*   12     0               6    18416.528090 18416.5281   0.0%   2.8    0s

Explored 13 nodes (127 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.841652809024e+04, best bound 1.841652809024e+04, gap 0.0%