Gurobi 5.0.1 (linux64) logging started Sun Nov 18 04:31:00 2012 Optimize a model with 413 rows, 299 columns and 1329 nonzeros Presolve time: 0.00s Presolved: 413 rows, 299 columns, 1329 nonzeros Variable types: 0 continuous, 299 integer (299 binary) Found heuristic solution: objective 82.0000000 Root relaxation: objective 0.000000e+00, 138 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00000 0 92 82.00000 0.00000 100% - 0s H 0 0 70.0000000 0.00000 100% - 0s 0 0 0.60811 0 93 70.00000 0.60811 99.1% - 0s 0 0 0.63349 0 96 70.00000 0.63349 99.1% - 0s 0 0 0.63761 0 96 70.00000 0.63761 99.1% - 0s 0 0 0.63761 0 96 70.00000 0.63761 99.1% - 0s H 0 0 66.0000000 0.63761 99.0% - 0s H 0 0 62.0000000 0.63761 99.0% - 0s 0 2 0.67398 0 96 62.00000 0.67398 98.9% - 0s * 44 40 26 50.0000000 2.60618 94.8% 31.0 0s * 126 96 23 48.0000000 6.53754 86.4% 32.1 0s * 185 146 19 46.0000000 6.54659 85.8% 33.2 0s * 263 204 26 45.0000000 10.47183 76.7% 32.8 0s * 319 241 26 44.0000000 10.48649 76.2% 32.2 0s * 341 248 22 43.0000000 11.47174 73.3% 31.5 0s * 446 304 20 42.0000000 14.37179 65.8% 31.2 0s * 802 411 32 40.0000000 15.32432 61.7% 30.8 1s H 1852 463 39.0000000 21.15315 45.8% 26.4 2s H 2262 541 38.0000000 22.08108 41.9% 25.7 2s H 2346 519 37.0000000 22.18182 40.0% 25.7 3s 4074 707 32.94937 24 139 37.00000 25.55357 30.9% 24.1 5s 9641 391 33.82500 25 145 37.00000 31.21875 15.6% 21.7 10s Cutting planes: Gomory: 1 Zero half: 1 Mod-K: 1 Explored 10790 nodes (228241 simplex iterations) in 10.77 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.700000000000e+01, best bound 3.700000000000e+01, gap 0.0%