Gurobi 5.0.1 (linux64) logging started Fri Jan 18 04:03:43 2013 Optimize a model with 2140 rows, 7020 columns and 18010 nonzeros Presolve removed 20 rows and 30 columns Presolve time: 0.18s Presolved: 2120 rows, 6990 columns, 13980 nonzeros Variable types: 5000 continuous, 1990 integer (1990 binary) Root relaxation: objective 1.931845e+04, 125 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 19318.446870 19318.4469 0.0% - 0s Explored 0 nodes (125 simplex iterations) in 0.20 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.931844686955e+04, best bound 1.931844686955e+04, gap 0.0%