Gurobi 5.0.1 (linux64) logging started Fri Jan 18 05:26:09 2013 Optimize a model with 514 rows, 1512 columns and 4021 nonzeros Presolve removed 507 rows and 1496 columns Presolve time: 0.05s Presolved: 7 rows, 16 columns, 32 nonzeros Variable types: 11 continuous, 5 integer (5 binary) Found heuristic solution: objective 3279.1929845 Root relaxation: objective 3.278822e+03, 2 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 3278.82202 0 1 3279.19298 3278.82202 0.01% - 0s Explored 0 nodes (2 simplex iterations) in 0.05 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.279192984453e+03, best bound 3.279192984453e+03, gap 0.0%