Gurobi 5.0.1 (linux64) logging started Mon Feb 4 16:00:37 2013 Optimize a model with 185 rows, 364 columns and 13095 nonzeros Presolve removed 51 rows and 92 columns Presolve time: 0.07s Presolved: 134 rows, 272 columns, 9993 nonzeros Variable types: 0 continuous, 272 integer (272 binary) Found heuristic solution: objective 409.0000000 Found heuristic solution: objective 314.0000000 Root relaxation: objective 3.130000e+02, 20 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 313.0000000 313.00000 0.0% - 0s Explored 0 nodes (20 simplex iterations) in 0.07 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.130000000000e+02, best bound 3.130000000000e+02, gap 0.0%