Gurobi 5.0.1 (linux64) logging started Wed Apr 24 10:32:33 2013 Optimize a model with 1210 rows, 121110 columns and 242110 nonzeros Presolve time: 0.23s Presolved: 1210 rows, 121110 columns, 242110 nonzeros Variable types: 121000 continuous, 110 integer (110 binary) Root relaxation: objective 1.410427e+05, 3869 iterations, 0.16 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 141042.708 0 14 - 141042.708 - - 0s H 0 0 164121.00000 141042.708 14.1% - 0s 0 0 141870.100 0 8 164121.000 141870.100 13.6% - 1s H 0 0 162548.09995 141870.100 12.7% - 1s H 0 0 161071.00000 141870.100 11.9% - 1s 0 0 141983.410 0 9 161071.000 141983.410 11.9% - 1s H 0 0 157766.00000 141983.410 10.0% - 1s 0 0 142006.532 0 7 157766.000 142006.532 10.0% - 1s H 0 0 155626.75170 142006.532 8.75% - 1s H 0 0 154183.00000 142006.532 7.90% - 1s 0 0 142009.292 0 6 154183.000 142009.292 7.90% - 2s H 0 0 153813.17273 142009.292 7.67% - 2s H 0 0 152395.00000 142009.292 6.81% - 2s 0 0 142016.468 0 6 152395.000 142016.468 6.81% - 2s 0 0 142016.588 0 6 152395.000 142016.588 6.81% - 2s 0 0 142018.243 0 6 152395.000 142018.243 6.81% - 3s H 0 0 152344.00000 142018.243 6.78% - 3s H 0 0 143381.00000 142018.243 0.95% - 3s 0 0 142018.243 0 14 143381.000 142018.243 0.95% - 4s 0 0 142018.243 0 8 143381.000 142018.243 0.95% - 4s 0 0 142018.243 0 9 143381.000 142018.243 0.95% - 4s 0 0 142018.243 0 8 143381.000 142018.243 0.95% - 4s 0 0 142018.243 0 7 143381.000 142018.243 0.95% - 5s 0 0 142018.243 0 6 143381.000 142018.243 0.95% - 5s 0 0 142018.260 0 6 143381.000 142018.260 0.95% - 5s 0 0 142018.966 0 6 143381.000 142018.966 0.95% - 5s 0 2 142021.786 0 6 143381.000 142021.786 0.95% - 6s H 11 11 143326.00000 142256.286 0.75% 76.3 6s H 14 14 143316.00000 142256.286 0.74% 86.7 7s H 16 15 142780.00000 142256.286 0.37% 86.9 7s * 17 14 16 142718.00000 142256.286 0.32% 84.0 7s H 39 13 142660.00000 142431.116 0.16% 83.0 8s * 46 14 14 142560.00000 142431.116 0.09% 81.9 8s Cutting planes: Implied bound: 278 Flow cover: 13 Explored 70 nodes (13814 simplex iterations) in 9.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.425600000000e+05, best bound 1.425600000000e+05, gap 0.0%