Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:58:05 2012 Optimize a model with 375 rows, 380 columns and 1315 nonzeros Presolve removed 0 rows and 23 columns Presolve time: 0.00s Presolved: 375 rows, 357 columns, 1292 nonzeros Variable types: 0 continuous, 357 integer (356 binary) Found heuristic solution: objective 70.0000000 Root relaxation: objective 0.000000e+00, 212 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 0 160 70.00000 0.00000 100% - 0s H 0 0 62.0000000 0.00000 100% - 0s H 0 0 53.0000000 0.00000 100% - 0s H 0 0 49.0000000 0.00000 100% - 0s 0 0 0.36530 0 161 49.00000 0.36530 99.3% - 0s H 0 0 39.0000000 0.36530 99.1% - 0s 0 0 1.00000 0 163 39.00000 1.00000 97.4% - 0s H 0 0 36.0000000 1.00000 97.2% - 0s 0 0 1.06398 0 166 36.00000 1.06398 97.0% - 0s H 0 0 16.0000000 1.06398 93.4% - 0s 0 0 1.06537 0 169 16.00000 1.06537 93.3% - 0s 0 0 1.06537 0 169 16.00000 1.06537 93.3% - 0s H 0 0 15.0000000 1.06537 92.9% - 0s 0 2 1.06653 0 166 15.00000 1.06653 92.9% - 0s H 27 27 11.0000000 1.13368 89.7% 33.1 0s * 39 35 23 9.0000000 1.13368 87.4% 26.1 0s H 60 20 7.0000000 1.13532 83.8% 29.6 0s Cutting planes: Gomory: 4 Zero half: 2 Mod-K: 1 Explored 200 nodes (8377 simplex iterations) in 0.34 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0%