Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:49:58 2012 Optimize a model with 349 rows, 352 columns and 1222 nonzeros Presolve removed 0 rows and 17 columns Presolve time: 0.00s Presolved: 349 rows, 335 columns, 1205 nonzeros Variable types: 0 continuous, 335 integer (334 binary) Found heuristic solution: objective 68.0000000 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 0 135 68.00000 0.00000 100% - 0s H 0 0 61.0000000 0.00000 100% - 0s H 0 0 60.0000000 0.00000 100% - 0s H 0 0 54.0000000 0.00000 100% - 0s H 0 0 46.0000000 0.00000 100% - 0s 0 0 0.15844 0 137 46.00000 0.15844 100% - 0s H 0 0 44.0000000 0.15844 100% - 0s 0 0 0.77224 0 144 44.00000 0.77224 98.2% - 0s H 0 0 39.0000000 0.77224 98.0% - 0s 0 0 0.77224 0 146 39.00000 0.77224 98.0% - 0s 0 0 0.77224 0 141 39.00000 0.77224 98.0% - 0s H 0 0 38.0000000 0.77224 98.0% - 0s H 0 0 36.0000000 0.77224 97.9% - 0s H 0 0 35.0000000 0.77224 97.8% - 0s 0 2 0.79629 0 141 35.00000 0.79629 97.7% - 0s H 27 27 11.0000000 1.00000 90.9% 39.0 0s * 36 21 29 8.0000000 1.00000 87.5% 32.8 0s * 946 139 26 7.0000000 5.00000 28.6% 19.8 1s Cutting planes: Gomory: 3 Zero half: 1 Explored 1015 nodes (20817 simplex iterations) in 1.29 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%