Gurobi 5.0.1 (linux64) logging started Tue Apr 23 22:02:06 2013 Optimize a model with 66 rows, 816 columns and 1616 nonzeros Presolve removed 0 rows and 1 columns Presolve time: 0.00s Presolved: 66 rows, 815 columns, 1615 nonzeros Variable types: 800 continuous, 15 integer (15 binary) Root relaxation: objective 1.204590e+06, 58 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1204589.62 0 7 - 1204589.62 - - 0s H 0 0 1313249.6250 1204589.62 8.27% - 0s H 0 0 1292002.1750 1204589.62 6.77% - 0s 0 0 1226319.74 0 5 1292002.17 1226319.74 5.08% - 0s H 0 0 1283871.2024 1226319.74 4.48% - 0s 0 0 1230908.75 0 4 1283871.20 1230908.75 4.13% - 0s H 0 0 1263550.6459 1230908.75 2.58% - 0s 0 0 1232603.75 0 2 1263550.65 1232603.75 2.45% - 0s 0 0 1233175.52 0 5 1263550.65 1233175.52 2.40% - 0s H 0 0 1235500.4500 1233175.52 0.19% - 0s 0 0 1233506.64 0 2 1235500.45 1233506.64 0.16% - 0s 0 0 1233532.82 0 4 1235500.45 1233532.82 0.16% - 0s 0 0 1233761.28 0 1 1235500.45 1233761.28 0.14% - 0s 0 0 1233872.35 0 1 1235500.45 1233872.35 0.13% - 0s Cutting planes: Implied bound: 36 Flow cover: 3 Explored 0 nodes (143 simplex iterations) in 0.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.235500450000e+06, best bound 1.235500450000e+06, gap 0.0000%