Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:12:39 2012 Optimize a model with 23429 rows, 27390 columns and 96853 nonzeros Presolve removed 528 rows and 5117 columns Presolve time: 0.54s Presolved: 22901 rows, 22273 columns, 90305 nonzeros Variable types: 0 continuous, 22273 integer (22273 binary) Found heuristic solution: objective 165.0000000 Root relaxation: objective 3.000000e+00, 15817 iterations, 1.80 seconds Total elapsed time = 9.26s Total elapsed time = 10.28s 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% - 10s Explored 0 nodes (47469 simplex iterations) in 10.40 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%