Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:43:35 2013 Optimize a model with 210 rows, 1130 columns and 2400 nonzeros Presolve removed 20 rows and 20 columns Presolve time: 0.00s Presolved: 190 rows, 1110 columns, 2330 nonzeros Variable types: 1070 continuous, 40 integer (40 binary) Root relaxation: objective 1.791602e+04, 92 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 17916.0191 0 3 - 17916.0191 - - 0s 0 0 17928.5456 0 2 - 17928.5456 - - 0s 0 0 17928.9789 0 2 - 17928.9789 - - 0s 0 0 17928.9789 0 2 - 17928.9789 - - 0s H 0 0 17983.462780 17928.9789 0.30% - 0s 0 2 17963.1437 0 2 17983.4628 17963.1437 0.11% - 0s * 4 2 3 17983.106726 17977.7088 0.03% 6.5 0s Cutting planes: Gomory: 2 Flow cover: 2 Explored 7 nodes (166 simplex iterations) in 0.03 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.798310672580e+04, best bound 1.798310672580e+04, gap 0.0%