Gurobi 5.0.1 (linux64) logging started Fri Nov 16 03:10:53 2012 Optimize a model with 1655 rows, 1332 columns and 6118 nonzeros Presolve removed 331 rows and 182 columns Presolve time: 0.08s Presolved: 1324 rows, 1150 columns, 5108 nonzeros Variable types: 0 continuous, 1150 integer (1150 binary) Found heuristic solution: objective 36.0000000 Root relaxation: objective 3.000000e+00, 1134 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 (2436 simplex iterations) in 0.17 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%