Gurobi 5.0.1 (linux64) logging started Fri Nov 16 20:54:09 2012 Optimize a model with 18723 rows, 22952 columns and 78367 nonzeros Presolve removed 304 rows and 2 columns Presolve time: 0.36s Presolved: 18570 rows, 22950 columns, 100169 nonzeros Variable types: 0 continuous, 22950 integer (22950 binary) Found heuristic solution: objective 151.0000000 Root relaxation: objective 3.000000e+00, 10765 iterations, 1.36 seconds Total elapsed time = 5.12s 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% - 6s Explored 0 nodes (41203 simplex iterations) in 6.62 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%