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

Optimize a model with 1140 rows, 4020 columns and 10010 nonzeros
Presolve removed 20 rows and 30 columns
Presolve time: 0.10s
Presolved: 1120 rows, 3990 columns, 7980 nonzeros
Variable types: 3000 continuous, 990 integer (990 binary)

Root relaxation: objective 1.931845e+04, 121 iterations, 0.00 seconds

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

*    0     0               0    19318.446870 19318.4469   0.0%     -    0s

Explored 0 nodes (121 simplex iterations) in 0.11 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.931844686955e+04, best bound 1.931844686955e+04, gap 0.0%