Gurobi 5.0.1 (linux64) logging started Thu Jan 24 19:45:50 2013 Optimize a model with 5 rows, 500 columns and 2500 nonzeros Presolve time: 0.01s Presolved: 5 rows, 500 columns, 2500 nonzeros Variable types: 0 continuous, 500 integer (500 binary) Found heuristic solution: objective 198345.00000 Root relaxation: objective 2.190675e+05, 26 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 219067.467 0 5 198345.000 219067.467 10.4% - 0s H 0 0 218560.00000 219067.467 0.23% - 0s H 0 0 218665.00000 219067.467 0.18% - 0s 0 0 219065.799 0 9 218665.000 219065.799 0.18% - 0s H 0 0 218811.00000 219065.799 0.12% - 0s 0 2 219065.784 0 9 218811.000 219065.784 0.12% - 0s H 7 7 218812.00000 219062.150 0.11% 3.0 0s H 602 519 218842.00000 219061.103 0.10% 1.8 0s H 606 495 218885.00000 219061.103 0.08% 1.8 0s H 1575 945 218886.00000 219057.206 0.08% 3.2 0s H 3869 2201 218929.00000 219052.344 0.06% 2.6 0s H 5183 2552 218962.00000 219052.172 0.04% 2.6 0s 70897 33483 218978.728 88 5 218962.000 219029.196 0.03% 2.4 5s H108112 39423 218966.00000 219022.657 0.03% 2.4 7s 160630 61140 218974.492 85 5 218966.000 219015.767 0.02% 2.4 10s 252042 87277 219006.142 91 5 218966.000 219008.083 0.02% 2.5 15s 344096 101894 218994.573 74 5 218966.000 219002.150 0.02% 2.5 20s 439471 104778 218991.659 80 6 218966.000 218996.706 0.01% 2.5 25s 536024 95207 218973.502 76 5 218966.000 218991.482 0.01% 2.5 30s Cutting planes: Gomory: 6 MIR: 6 Explored 597735 nodes (1478866 simplex iterations) in 33.23 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.189660000000e+05, best bound 2.189870000000e+05, gap 0.0096%