Gurobi 5.0.1 (linux64) logging started Wed Apr 24 09:14:53 2013 Optimize a model with 97216 rows, 96236 columns and 384356 nonzeros Presolve removed 98 rows and 0 columns Presolve time: 0.48s Presolved: 97118 rows, 96236 columns, 384258 nonzeros Variable types: 96138 continuous, 98 integer (98 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 9419 7.8761585e+04 7.084379e+04 0.000000e+00 5s 11003 8.0075633e+04 5.933426e+03 0.000000e+00 11s 12411 8.0467794e+04 2.395515e+03 0.000000e+00 15s 12728 8.0484124e+04 0.000000e+00 0.000000e+00 17s Root relaxation: objective 8.048412e+04, 12728 iterations, 16.53 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 80484.1239 0 69 - 80484.1239 - - 17s H 0 0 146303.00000 80484.1239 45.0% - 29s H 0 0 127222.03574 80484.1239 36.7% - 96s 0 0 102377.550 0 30 127222.036 102377.550 19.5% - 127s 0 0 114139.844 0 13 127222.036 114139.844 10.3% - 145s 0 0 116527.619 0 3 127222.036 116527.619 8.41% - 150s H 0 0 119338.32997 116527.619 2.36% - 150s H 0 0 118634.00000 116527.619 1.78% - 150s H 0 0 116647.00000 116527.619 0.10% - 152s 0 0 116527.619 0 56 116647.000 116527.619 0.10% - 165s 0 0 116527.619 0 26 116647.000 116527.619 0.10% - 219s 0 0 116527.619 0 8 116647.000 116527.619 0.10% - 227s 0 0 116527.619 0 4 116647.000 116527.619 0.10% - 234s 0 0 116540.462 0 1 116647.000 116540.462 0.09% - 236s 0 2 116540.638 0 1 116647.000 116540.638 0.09% - 237s 6 4 116607.615 5 1 116647.000 116580.394 0.06% 186 240s Cutting planes: Gomory: 4 Implied bound: 80 Explored 18 nodes (59774 simplex iterations) in 242.75 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.166470000000e+05, best bound 1.166426775871e+05, gap 0.0037%