Gurobi 5.0.1 (linux64) logging started Mon Feb 4 16:59:58 2013 Optimize a model with 1243 rows, 32838 columns and 1271796 nonzeros Presolve removed 38 rows and 213 columns Presolve time: 3.92s Presolved: 1205 rows, 32625 columns, 1265216 nonzeros Variable types: 0 continuous, 32625 integer (32625 binary) Found heuristic solution: objective 17753.000000 Root relaxation: objective 1.041000e+04, 7103 iterations, 3.44 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 10410.000000 10410.0000 0.0% - 7s Explored 0 nodes (7103 simplex iterations) in 7.61 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.041000000000e+04, best bound 1.041000000000e+04, gap 0.0%