Gurobi 5.0.1 (linux64) logging started Fri Jan 18 01:40:50 2013

Optimize a model with 140 rows, 1530 columns and 3540 nonzeros
Presolve removed 10 rows and 10 columns
Presolve time: 0.00s
Presolved: 130 rows, 1520 columns, 3030 nonzeros
Variable types: 1520 continuous, 0 integer (0 binary)

Root relaxation: objective 1.791602e+04, 106 iterations, 0.00 seconds

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

     0     0 17916.0191    0    3          - 17916.0191     -      -    0s
H    0     0                    18073.183435 17916.0191  0.87%     -    0s
     0     2 17916.0191    0    3 18073.1834 17916.0191  0.87%     -    0s
*   23    11              12    17984.792630 17979.7269  0.03%   2.6    0s
*   25     5              13    17984.425761 17979.7269  0.03%   2.5    0s
*   27     5              14    17984.200283 17979.7269  0.02%   2.4    0s

Explored 31 nodes (170 simplex iterations) in 0.03 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.798420028333e+04, best bound 1.798398961269e+04, gap 0.0012%