Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:05:01 2012 Optimize a model with 21279 rows, 25760 columns and 88798 nonzeros Presolve removed 322 rows and 2 columns Presolve time: 0.46s Presolved: 21117 rows, 25758 columns, 113336 nonzeros Variable types: 0 continuous, 25758 integer (25758 binary) Found heuristic solution: objective 160.0000000 Root relaxation: objective 3.000000e+00, 16722 iterations, 1.58 seconds Total elapsed time = 9.09s Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 3.00000 0 110 160.00000 3.00000 98.1% - 10s H 0 0 3.0000000 3.00000 0.0% - 10s Explored 0 nodes (46521 simplex iterations) in 10.14 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%