Gurobi 5.0.1 (linux64) logging started Fri Nov 16 01:06:44 2012 Optimize a model with 1748 rows, 380 columns and 5548 nonzeros Presolve removed 969 rows and 0 columns Presolve time: 0.02s Presolved: 779 rows, 380 columns, 4294 nonzeros Variable types: 0 continuous, 380 integer (380 binary) Found heuristic solution: objective 12.0000000 Root relaxation: objective 6.000000e+00, 1212 iterations, 0.05 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 6.0000000 6.00000 0.0% - 0s Explored 0 nodes (1399 simplex iterations) in 0.08 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0%