Gurobi 5.0.1 (linux64) logging started Mon Feb 4 16:46:06 2013 Optimize a model with 1494 rows, 36799 columns and 1885665 nonzeros Presolve removed 4 rows and 3 columns Presolve time: 3.44s Presolved: 1490 rows, 36796 columns, 1885572 nonzeros Variable types: 0 continuous, 36796 integer (36796 binary) Found heuristic solution: objective 16443.000000 Root relaxation: objective 1.322700e+04, 7623 iterations, 4.99 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 13227.000000 13227.0000 0.0% - 8s Explored 0 nodes (7623 simplex iterations) in 8.74 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.322700000000e+04, best bound 1.322700000000e+04, gap 0.0%