Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:56:44 2012 Optimize a model with 28959 rows, 32942 columns and 118915 nonzeros Presolve removed 364 rows and 2 columns Presolve time: 0.68s Presolved: 28776 rows, 32940 columns, 150455 nonzeros Variable types: 0 continuous, 32940 integer (32940 binary) Found heuristic solution: objective 181.0000000 Root relaxation: objective 3.000000e+00, 17486 iterations, 2.72 seconds Total elapsed time = 11.29s Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 3.0000000 3.00000 0.0% - 13s Explored 0 nodes (54210 simplex iterations) in 13.72 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%