Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:10:53 2012 Optimize a model with 1548 rows, 1332 columns and 5832 nonzeros Presolve removed 292 rows and 144 columns Presolve time: 0.03s Presolved: 1256 rows, 1188 columns, 5004 nonzeros Variable types: 0 continuous, 1188 integer (1188 binary) Found heuristic solution: objective 21.0000000 Root relaxation: objective 3.000000e+00, 1295 iterations, 0.03 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 (1778 simplex iterations) in 0.06 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%