Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:37:40 2012 Optimize a model with 333 rows, 336 columns and 1166 nonzeros Presolve removed 0 rows and 17 columns Presolve time: 0.00s Presolved: 333 rows, 319 columns, 1149 nonzeros Variable types: 0 continuous, 319 integer (318 binary) Found heuristic solution: objective 64.0000000 Root relaxation: objective 0.000000e+00, 218 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 0 148 64.00000 0.00000 100% - 0s H 0 0 51.0000000 0.00000 100% - 0s H 0 0 41.0000000 0.00000 100% - 0s H 0 0 38.0000000 0.00000 100% - 0s 0 0 0.42568 0 149 38.00000 0.42568 98.9% - 0s H 0 0 29.0000000 0.42568 98.5% - 0s 0 0 1.00000 0 148 29.00000 1.00000 96.6% - 0s 0 0 1.00000 0 149 29.00000 1.00000 96.6% - 0s 0 0 1.00000 0 149 29.00000 1.00000 96.6% - 0s H 0 0 20.0000000 1.00000 95.0% - 0s H 0 0 14.0000000 1.00000 92.9% - 0s H 0 0 13.0000000 1.00000 92.3% - 0s 0 2 1.00000 0 149 13.00000 1.00000 92.3% - 0s * 28 28 16 9.0000000 2.16108 76.0% 28.9 0s * 37 17 22 7.0000000 2.16108 69.1% 26.9 0s Cutting planes: Gomory: 3 Explored 126 nodes (3475 simplex iterations) in 0.16 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%