Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:12:00 2012 Optimize a model with 143 rows, 124 columns and 479 nonzeros Presolve removed 0 rows and 1 columns Presolve time: 0.00s Presolved: 143 rows, 123 columns, 478 nonzeros Variable types: 0 continuous, 123 integer (122 binary) Found heuristic solution: objective 26.0000000 Root relaxation: objective 0.000000e+00, 83 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 51 26.00000 0.00000 100% - 0s H 0 0 21.0000000 0.00000 100% - 0s H 0 0 16.0000000 0.00000 100% - 0s H 0 0 14.0000000 0.00000 100% - 0s 0 0 0.34305 0 53 14.00000 0.34305 97.5% - 0s H 0 0 13.0000000 0.34305 97.4% - 0s 0 0 0.99983 0 57 13.00000 0.99983 92.3% - 0s H 0 0 12.0000000 0.99983 91.7% - 0s 0 0 1.00371 0 58 12.00000 1.00371 91.6% - 0s 0 2 1.02527 0 58 12.00000 1.02527 91.5% - 0s * 23 16 16 8.0000000 2.40104 70.0% 19.2 0s * 43 9 10 7.0000000 3.98701 43.0% 17.4 0s Cutting planes: Gomory: 3 Mod-K: 1 Explored 55 nodes (1182 simplex iterations) in 0.08 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%