Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:52:16 2013 Optimize a model with 5566 rows, 5336 columns and 21206 nonzeros Presolve removed 23 rows and 0 columns Presolve time: 0.02s Presolved: 5543 rows, 5336 columns, 21183 nonzeros Variable types: 5313 continuous, 23 integer (23 binary) Root relaxation: objective 2.023016e+04, 535 iterations, 0.04 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 20230.1641 0 11 - 20230.1641 - - 0s H 0 0 21229.000000 20230.1641 4.71% - 0s * 0 0 0 20993.000000 20993.0000 0.0% - 0s Cutting planes: Gomory: 11 Implied bound: 11 Explored 0 nodes (684 simplex iterations) in 0.15 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.099300000000e+04, best bound 2.099300000000e+04, gap 0.0%