Gurobi 5.0.1 (linux64) logging started Fri Nov 16 01:06:23 2012 Optimize a model with 976 rows, 272 columns and 3136 nonzeros Presolve removed 640 rows and 0 columns Presolve time: 0.01s Presolved: 336 rows, 272 columns, 1712 nonzeros Variable types: 0 continuous, 272 integer (272 binary) Found heuristic solution: objective 14.0000000 Root relaxation: objective 6.000000e+00, 285 iterations, 0.00 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 (285 simplex iterations) in 0.01 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%