Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:58:12 2012 Optimize a model with 30393 rows, 33306 columns and 123576 nonzeros Presolve removed 1122 rows and 5098 columns Presolve time: 0.84s Presolved: 29271 rows, 28208 columns, 115428 nonzeros Variable types: 0 continuous, 28208 integer (28208 binary) Found heuristic solution: objective 182.0000000 Root relaxation: objective 3.000000e+00, 16408 iterations, 2.47 seconds Total elapsed time = 12.26s 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% - 14s Explored 0 nodes (52091 simplex iterations) in 14.83 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%