Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:06:40 2012 Optimize a model with 21251 rows, 26082 columns and 89031 nonzeros Presolve removed 324 rows and 2 columns Presolve time: 0.44s Presolved: 21088 rows, 26080 columns, 113887 nonzeros Variable types: 0 continuous, 26080 integer (26080 binary) Found heuristic solution: objective 161.0000000 Root relaxation: objective 3.000000e+00, 15084 iterations, 1.13 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 3.0000000 3.00000 0.0% - 1s Explored 0 nodes (15084 simplex iterations) in 1.64 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%