Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:07:48 2012 Optimize a model with 21383 rows, 26406 columns and 89746 nonzeros Presolve removed 326 rows and 2 columns Presolve time: 0.45s Presolved: 21219 rows, 26404 columns, 114920 nonzeros Variable types: 0 continuous, 26404 integer (26404 binary) Found heuristic solution: objective 162.0000000 Root relaxation: objective 3.000000e+00, 15546 iterations, 1.44 seconds Total elapsed time = 5.81s Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 3.00000 0 40 162.00000 3.00000 98.1% - 6s H 0 0 3.0000000 3.00000 0.0% - 6s Explored 0 nodes (42745 simplex iterations) in 6.77 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%