Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:32:23 2012 Optimize a model with 26814 rows, 30102 columns and 109680 nonzeros Presolve removed 348 rows and 2 columns Presolve time: 0.60s Presolved: 26639 rows, 30100 columns, 138438 nonzeros Variable types: 0 continuous, 30100 integer (30100 binary) Found heuristic solution: objective 173.0000000 Root relaxation: objective 3.000000e+00, 18918 iterations, 2.47 seconds Total elapsed time = 10.19s Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 3.00000 0 20 173.00000 3.00000 98.3% - 11s H 0 0 3.0000000 3.00000 0.0% - 11s Explored 0 nodes (48638 simplex iterations) in 11.12 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%