Gurobi 5.0.1 (linux64) logging started Fri Nov 16 03:08:51 2012 Optimize a model with 1716 rows, 1122 columns and 6138 nonzeros Presolve removed 134 rows and 66 columns Presolve time: 0.02s Presolved: 1582 rows, 1056 columns, 5742 nonzeros Variable types: 0 continuous, 1056 integer (1056 binary) Found heuristic solution: objective 21.0000000 Root relaxation: objective 3.000000e+00, 1185 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 (1593 simplex iterations) in 0.07 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%