Gurobi 5.0.1 (linux64) logging started Wed Apr 24 09:27:57 2013 Optimize a model with 1089 rows, 98109 columns and 196119 nonzeros Presolve time: 0.17s Presolved: 1089 rows, 98109 columns, 196119 nonzeros Variable types: 98010 continuous, 99 integer (99 binary) Root relaxation: objective 1.327665e+05, 3483 iterations, 0.16 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 132766.483 0 6 - 132766.483 - - 0s H 0 0 139351.00000 132766.483 4.73% - 0s 0 0 132870.448 0 3 139351.000 132870.448 4.65% - 0s H 0 0 139159.00000 132870.448 4.52% - 1s 0 0 132888.974 0 3 139159.000 132888.974 4.51% - 1s 0 0 132895.024 0 4 139159.000 132895.024 4.50% - 1s H 0 0 138834.00000 132895.024 4.28% - 1s 0 0 132896.690 0 3 138834.000 132896.690 4.28% - 1s H 0 0 138738.00000 132896.690 4.21% - 1s 0 0 132899.219 0 3 138738.000 132899.219 4.21% - 1s 0 0 132899.219 0 3 138738.000 132899.219 4.21% - 1s 0 2 132914.408 0 3 138738.000 132914.408 4.20% - 2s H 3 3 138702.57263 133026.501 4.09% 172 2s H 5 5 135528.95312 133047.373 1.83% 152 3s H 14 14 134842.00000 133047.373 1.33% 68.9 3s H 17 15 133988.00000 133047.373 0.70% 57.2 3s H 18 13 133792.00000 133047.373 0.56% 54.3 3s * 20 8 18 133330.00000 133047.373 0.21% 49.9 3s H 34 5 133313.98592 133234.803 0.06% 60.4 4s * 35 3 5 133247.00000 133235.281 0.01% 59.1 4s Cutting planes: Implied bound: 125 Flow cover: 5 Explored 36 nodes (5889 simplex iterations) in 4.14 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.332470000000e+05, best bound 1.332352812500e+05, gap 0.0088%