Gurobi 5.0.1 (linux64) logging started Fri Nov 16 03:11:42 2012 Optimize a model with 2404 rows, 1406 columns and 8434 nonzeros Presolve removed 520 rows and 2 columns Presolve time: 0.10s Presolved: 1884 rows, 1404 columns, 7074 nonzeros Variable types: 0 continuous, 1404 integer (1404 binary) Found heuristic solution: objective 37.0000000 Root relaxation: objective 3.000000e+00, 1409 iterations, 0.05 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 (3005 simplex iterations) in 0.23 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%