Gurobi 5.0.1 (linux64) logging started Wed Apr 24 04:54:55 2013 Optimize a model with 946 rows, 74046 columns and 148006 nonzeros Presolve time: 0.12s Presolved: 946 rows, 74046 columns, 148006 nonzeros Variable types: 73960 continuous, 86 integer (86 binary) Root relaxation: objective 9.902401e+04, 2990 iterations, 0.13 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 99024.0118 0 6 - 99024.0118 - - 0s H 0 0 102115.00000 99024.0118 3.03% - 0s H 0 0 99750.000000 99024.0118 0.73% - 0s 0 0 99232.5552 0 4 99750.0000 99232.5552 0.52% - 0s 0 0 99232.5552 0 6 99750.0000 99232.5552 0.52% - 1s 0 0 99232.5552 0 4 99750.0000 99232.5552 0.52% - 1s 0 0 99245.9531 0 4 99750.0000 99245.9531 0.51% - 1s H 0 0 99604.000000 99245.9531 0.36% - 1s 0 0 99246.2491 0 4 99604.0000 99246.2491 0.36% - 1s H 0 0 99581.000000 99246.2491 0.34% - 1s 0 2 99248.2982 0 4 99581.0000 99248.2982 0.33% - 1s H 9 6 99516.000000 99296.4545 0.22% 26.3 1s H 12 6 99401.000000 99296.4545 0.11% 20.8 1s H 13 6 99387.000000 99296.4545 0.09% 19.8 1s * 15 7 15 99364.000000 99296.4545 0.07% 19.1 1s * 16 5 13 99355.000000 99296.4545 0.06% 18.4 1s * 20 2 7 99320.000000 99305.2097 0.01% 21.0 2s Cutting planes: Implied bound: 54 Flow cover: 5 Explored 23 nodes (6255 simplex iterations) in 2.06 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.932000000000e+04, best bound 9.932000000000e+04, gap 0.0%