Gurobi 5.0.1 (linux64) logging started Fri Nov 16 03:12:54 2012 Optimize a model with 3496 rows, 1482 columns and 11818 nonzeros Presolve removed 836 rows and 0 columns Presolve time: 0.07s Presolved: 2660 rows, 1482 columns, 9880 nonzeros Variable types: 0 continuous, 1482 integer (1482 binary) Found heuristic solution: objective 26.0000000 Root relaxation: objective 3.000000e+00, 2945 iterations, 0.17 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 (3985 simplex iterations) in 0.32 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%