Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:50:55 2012 Optimize a model with 359 rows, 359 columns and 1254 nonzeros Presolve removed 0 rows and 28 columns Presolve time: 0.00s Presolved: 359 rows, 331 columns, 1226 nonzeros Variable types: 0 continuous, 331 integer (330 binary) Found heuristic solution: objective 59.0000000 Root relaxation: objective 0.000000e+00, 188 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 0 145 59.00000 0.00000 100% - 0s H 0 0 57.0000000 0.00000 100% - 0s H 0 0 54.0000000 0.00000 100% - 0s H 0 0 47.0000000 0.00000 100% - 0s 0 0 0.23787 0 147 47.00000 0.23787 99.5% - 0s H 0 0 42.0000000 0.23787 99.4% - 0s H 0 0 41.0000000 0.23787 99.4% - 0s 0 0 0.80660 0 153 41.00000 0.80660 98.0% - 0s H 0 0 34.0000000 0.80660 97.6% - 0s 0 0 0.80680 0 154 34.00000 0.80680 97.6% - 0s 0 0 0.80680 0 154 34.00000 0.80680 97.6% - 0s H 0 0 32.0000000 0.80680 97.5% - 0s H 0 0 27.0000000 0.80680 97.0% - 0s H 0 0 23.0000000 0.80680 96.5% - 0s 0 2 0.81626 0 154 23.00000 0.81626 96.5% - 0s * 47 30 27 11.0000000 1.72001 84.4% 27.3 0s * 56 12 6 7.0000000 1.72553 75.3% 29.3 0s Cutting planes: Gomory: 4 Zero half: 1 Explored 91 nodes (3406 simplex iterations) in 0.18 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%