Gurobi 5.0.1 (linux64) logging started Mon Feb 4 16:17:44 2013 Optimize a model with 1159 rows, 361 columns and 3610 nonzeros Presolve removed 310 rows and 188 columns Presolve time: 0.00s Presolved: 849 rows, 173 columns, 2707 nonzeros Variable types: 10 continuous, 163 integer (163 binary) Found heuristic solution: objective 8642.0000000 Root relaxation: objective 7.118282e+03, 25 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 7118.28205 0 5 8642.00000 7118.28205 17.6% - 0s 0 0 7122.74138 0 19 8642.00000 7122.74138 17.6% - 0s H 0 0 7138.0000000 7122.74138 0.21% - 0s 0 0 7124.52685 0 18 7138.00000 7124.52685 0.19% - 0s 0 0 7124.52685 0 6 7138.00000 7124.52685 0.19% - 0s H 0 0 7131.0000000 7124.52685 0.09% - 0s 0 0 7124.59983 0 18 7131.00000 7124.59983 0.09% - 0s 0 1 7124.75986 0 18 7131.00000 7124.75986 0.09% - 0s * 6 4 12 7130.0000000 7130.00000 0.0% 0.0 0s Cutting planes: Gomory: 1 MIR: 1 Explored 6 nodes (148 simplex iterations) in 0.03 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 7.130000000000e+03, best bound 7.130000000000e+03, gap 0.0%