Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:56:50 2012 Optimize a model with 381 rows, 381 columns and 1331 nonzeros Presolve removed 0 rows and 29 columns Presolve time: 0.00s Presolved: 381 rows, 352 columns, 1302 nonzeros Variable types: 0 continuous, 352 integer (351 binary) Found heuristic solution: objective 58.0000000 Root relaxation: objective 0.000000e+00, 229 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 0 152 58.00000 0.00000 100% - 0s H 0 0 56.0000000 0.00000 100% - 0s H 0 0 44.0000000 0.00000 100% - 0s H 0 0 42.0000000 0.00000 100% - 0s 0 0 0.37255 0 154 42.00000 0.37255 99.1% - 0s 0 0 0.92971 0 156 42.00000 0.92971 97.8% - 0s H 0 0 41.0000000 0.92971 97.7% - 0s 0 0 0.92972 0 160 41.00000 0.92972 97.7% - 0s 0 0 0.92972 0 160 41.00000 0.92972 97.7% - 0s H 0 0 39.0000000 0.92972 97.6% - 0s H 0 0 34.0000000 0.92972 97.3% - 0s H 0 0 25.0000000 0.92972 96.3% - 0s 0 2 0.93016 0 159 25.00000 0.93016 96.3% - 0s H 27 27 14.0000000 1.00000 92.9% 40.2 0s H 54 54 13.0000000 1.00000 92.3% 23.1 0s * 69 49 45 12.0000000 1.00000 91.7% 19.8 0s H 108 45 11.0000000 2.09472 81.0% 22.9 0s * 128 31 12 10.0000000 2.21053 77.9% 23.5 0s Cutting planes: Gomory: 3 Zero half: 1 Explored 228 nodes (7126 simplex iterations) in 0.29 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.000000000000e+01, best bound 1.000000000000e+01, gap 0.0%