Gurobi 5.0.1 (linux64) logging started Fri Nov 16 03:09:57 2012 Optimize a model with 2030 rows, 1260 columns and 7210 nonzeros Presolve removed 176 rows and 35 columns Presolve time: 0.04s Presolved: 1854 rows, 1225 columns, 6755 nonzeros Variable types: 0 continuous, 1225 integer (1225 binary) Found heuristic solution: objective 21.0000000 Root relaxation: objective 3.000000e+00, 1841 iterations, 0.06 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% - 0s Explored 0 nodes (2364 simplex iterations) in 0.13 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%