Gurobi 5.0.1 (linux64) logging started Wed Apr 24 08:09:24 2013 Optimize a model with 1056 rows, 92256 columns and 184416 nonzeros Presolve time: 0.16s Presolved: 1056 rows, 92256 columns, 184416 nonzeros Variable types: 92160 continuous, 96 integer (96 binary) Root relaxation: objective 1.219948e+05, 3755 iterations, 0.15 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 121994.787 0 10 - 121994.787 - - 0s H 0 0 129575.00000 121994.787 5.85% - 0s 0 0 122170.646 0 6 129575.000 122170.646 5.71% - 0s H 0 0 127317.53433 122170.646 4.04% - 0s H 0 0 126858.00000 122170.646 3.69% - 0s H 0 0 122377.00000 122170.646 0.17% - 0s 0 0 122186.911 0 7 122377.000 122186.911 0.16% - 1s 0 0 122186.911 0 10 122377.000 122186.911 0.16% - 1s 0 0 122186.911 0 5 122377.000 122186.911 0.16% - 1s 0 0 122186.911 0 7 122377.000 122186.911 0.16% - 1s 0 0 122187.352 0 4 122377.000 122187.352 0.15% - 1s 0 0 122187.352 0 4 122377.000 122187.352 0.15% - 1s 0 0 122188.971 0 5 122377.000 122188.971 0.15% - 1s 0 0 122190.405 0 4 122377.000 122190.405 0.15% - 2s 0 0 122190.405 0 4 122377.000 122190.405 0.15% - 2s 0 0 122190.448 0 5 122377.000 122190.448 0.15% - 2s 0 0 122190.568 0 4 122377.000 122190.568 0.15% - 2s 0 0 122190.589 0 4 122377.000 122190.589 0.15% - 2s 0 0 122201.101 0 4 122377.000 122201.101 0.14% - 2s 0 2 122211.282 0 4 122377.000 122211.282 0.14% - 2s Cutting planes: Implied bound: 100 Flow cover: 3 Explored 46 nodes (9134 simplex iterations) in 3.69 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.223770000000e+05, best bound 1.223770000000e+05, gap 0.0%