Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:15:50 2013

Optimize a model with 140 rows, 1130 columns and 2340 nonzeros
Presolve removed 10 rows and 10 columns
Presolve time: 0.00s
Presolved: 130 rows, 1120 columns, 2230 nonzeros
Variable types: 1120 continuous, 0 integer (0 binary)

Root relaxation: objective 1.836170e+04, 105 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                    18422.415846 18361.7044  0.33%     -    0s
     0     2 18361.7044    0    1 18422.4158 18361.7044  0.33%     -    0s
*   17     1               9    18417.639282 18417.1142  0.00%   2.4    0s

Explored 18 nodes (146 simplex iterations) in 0.02 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.841763928198e+04, best bound 1.841711423176e+04, gap 0.0029%