Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:12:55 2012 Optimize a model with 177 rows, 145 columns and 585 nonzeros Presolve time: 0.00s Presolved: 177 rows, 145 columns, 585 nonzeros Variable types: 0 continuous, 145 integer (145 binary) Found heuristic solution: objective 38.0000000 Root relaxation: objective 0.000000e+00, 96 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 57 38.00000 0.00000 100% - 0s H 0 0 31.0000000 0.00000 100% - 0s H 0 0 30.0000000 0.00000 100% - 0s 0 0 0.59920 0 59 30.00000 0.59920 98.0% - 0s H 0 0 22.0000000 0.59920 97.3% - 0s H 0 0 19.0000000 0.59920 96.8% - 0s 0 0 0.63586 0 59 19.00000 0.63586 96.7% - 0s H 0 0 18.0000000 0.63586 96.5% - 0s 0 0 0.73102 0 61 18.00000 0.73102 95.9% - 0s 0 0 0.76374 0 60 18.00000 0.76374 95.8% - 0s 0 0 0.82953 0 60 18.00000 0.82953 95.4% - 0s 0 0 0.84434 0 62 18.00000 0.84434 95.3% - 0s 0 0 0.84759 0 63 18.00000 0.84759 95.3% - 0s 0 0 0.84759 0 63 18.00000 0.84759 95.3% - 0s 0 2 0.85663 0 63 18.00000 0.85663 95.2% - 0s * 25 21 18 15.0000000 3.38599 77.4% 23.9 0s * 39 22 8 13.0000000 3.43592 73.6% 21.2 0s * 43 13 7 11.0000000 3.43592 68.8% 19.3 0s Cutting planes: Gomory: 1 Mod-K: 5 Explored 155 nodes (2530 simplex iterations) in 0.08 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.100000000000e+01, best bound 1.100000000000e+01, gap 0.0%