Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:13:28 2012 Optimize a model with 167 rows, 142 columns and 557 nonzeros Presolve removed 0 rows and 2 columns Presolve time: 0.00s Presolved: 167 rows, 140 columns, 555 nonzeros Variable types: 0 continuous, 140 integer (139 binary) Found heuristic solution: objective 28.0000000 Root relaxation: objective 0.000000e+00, 88 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 49 28.00000 0.00000 100% - 0s H 0 0 19.0000000 0.00000 100% - 0s H 0 0 16.0000000 0.00000 100% - 0s 0 0 0.29480 0 51 16.00000 0.29480 98.2% - 0s H 0 0 15.0000000 0.29480 98.0% - 0s 0 0 0.93012 0 55 15.00000 0.93012 93.8% - 0s H 0 0 14.0000000 0.93012 93.4% - 0s 0 0 0.93213 0 62 14.00000 0.93213 93.3% - 0s 0 0 0.93213 0 56 14.00000 0.93213 93.3% - 0s H 0 0 12.0000000 0.93213 92.2% - 0s H 0 0 11.0000000 0.93213 91.5% - 0s H 0 0 10.0000000 0.93213 90.7% - 0s 0 2 1.04980 0 56 10.00000 1.04980 89.5% - 0s * 15 7 11 8.0000000 2.15760 73.0% 21.1 0s * 26 2 6 7.0000000 5.90476 15.6% 20.3 0s Cutting planes: Gomory: 4 Zero half: 3 Explored 29 nodes (953 simplex iterations) in 0.09 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%