Gurobi 5.0.1 (linux64) logging started Fri Nov 16 03:22:15 2012 Optimize a model with 3275 rows, 1806 columns and 11422 nonzeros Presolve removed 340 rows and 86 columns Presolve time: 0.11s Presolved: 2935 rows, 1720 columns, 10358 nonzeros Variable types: 0 continuous, 1720 integer (1720 binary) Found heuristic solution: objective 42.0000000 Root relaxation: objective 3.000000e+00, 1669 iterations, 0.07 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 (4711 simplex iterations) in 0.35 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%