Gurobi 5.0.1 (linux64) logging started Fri Nov 16 22:11:41 2012 Optimize a model with 32735 rows, 34782 columns and 132058 nonzeros Presolve removed 374 rows and 2 columns Presolve time: 0.80s Presolved: 32547 rows, 34780 columns, 165376 nonzeros Variable types: 0 continuous, 34780 integer (34780 binary) Found heuristic solution: objective 186.0000000 Root relaxation: objective 3.000000e+00, 25961 iterations, 4.07 seconds Total elapsed time = 17.78s Total elapsed time = 20.32s 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% - 21s Explored 0 nodes (71352 simplex iterations) in 21.80 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%