Gurobi 5.0.1 (linux64) logging started Sat Dec 8 10:28:39 2012 Optimize a model with 1095 rows, 1080 columns and 3553 nonzeros Presolve removed 98 rows and 59 columns Presolve time: 0.01s Presolved: 997 rows, 1021 columns, 3323 nonzeros Variable types: 679 continuous, 342 integer (342 binary) Root relaxation: objective 9.265344e+04, 494 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 92653.4428 0 172 - 92653.4428 - - 0s H 0 0 176996.00000 92653.4428 47.7% - 0s 0 0 114415.184 0 43 176996.000 114415.184 35.4% - 0s 0 0 115519.636 0 51 176996.000 115519.636 34.7% - 0s 0 0 115825.760 0 30 176996.000 115825.760 34.6% - 0s 0 0 115949.148 0 20 176996.000 115949.148 34.5% - 0s 0 0 116016.820 0 13 176996.000 116016.820 34.5% - 0s 0 0 116021.124 0 13 176996.000 116021.124 34.4% - 0s 0 2 116023.304 0 13 176996.000 116023.304 34.4% - 0s H 71 67 117663.00000 116023.304 1.39% 3.9 1s H 73 69 117582.00000 116023.304 1.33% 3.8 1s H 75 70 117323.00833 116023.304 1.11% 3.8 1s * 76 71 70 116958.00000 116023.304 0.80% 3.9 1s H 141 60 116223.00000 116047.469 0.15% 4.0 2s 252 115 116091.914 11 8 116223.000 116053.266 0.15% 4.5 5s 500 247 116098.215 27 9 116223.000 116076.392 0.13% 4.5 10s H 527 243 116209.00000 116076.680 0.11% 4.5 10s 703 314 116158.265 23 45 116209.000 116087.650 0.10% 4.5 15s * 749 298 41 116208.00000 116107.896 0.09% 6.1 16s Cutting planes: Gomory: 2 Flow cover: 17 Flow path: 4 GUB cover: 2 Explored 808 nodes (5656 simplex iterations) in 18.18 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.162080000000e+05, best bound 1.161973562646e+05, gap 0.0092%