Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:57:02 2012 Optimize a model with 10730 rows, 5402 columns and 37228 nonzeros Presolve removed 1024 rows and 2 columns Presolve time: 0.47s Presolved: 9779 rows, 5400 columns, 39809 nonzeros Variable types: 0 continuous, 5400 integer (5400 binary) Found heuristic solution: objective 73.0000000 Root relaxation: objective 3.000000e+00, 6247 iterations, 1.06 seconds Total elapsed time = 5.55s Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 3.00000 0 823 73.00000 3.00000 95.9% - 6s H 0 0 29.0000000 3.00000 89.7% - 6s H 0 0 4.0000000 3.00000 25.0% - 6s H 0 0 3.0000000 3.00000 0.0% - 6s Explored 0 nodes (28301 simplex iterations) in 6.62 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%