Gurobi 5.0.1 (linux64) logging started Wed Apr 24 08:49:14 2013 Optimize a model with 95254 rows, 94284 columns and 376554 nonzeros Presolve removed 97 rows and 0 columns Presolve time: 0.47s Presolved: 95157 rows, 94284 columns, 376457 nonzeros Variable types: 94187 continuous, 97 integer (97 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 9374 8.0537477e+04 5.072553e+04 0.000000e+00 5s 10940 8.1716206e+04 1.088365e+05 0.000000e+00 10s 12506 8.2133945e+04 1.726070e+03 0.000000e+00 15s 12831 8.2165951e+04 0.000000e+00 0.000000e+00 16s Root relaxation: objective 8.216595e+04, 12831 iterations, 16.27 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 82165.9511 0 65 - 82165.9511 - - 17s H 0 0 152129.00000 82165.9511 46.0% - 23s H 0 0 123170.00000 82165.9511 33.3% - 93s 0 0 102646.804 0 29 123170.000 102646.804 16.7% - 124s 0 0 112694.754 0 10 123170.000 112694.754 8.50% - 139s 0 0 114875.651 0 8 123170.000 114875.651 6.73% - 144s 0 0 115138.891 0 8 123170.000 115138.891 6.52% - 145s 0 2 115147.267 0 8 123170.000 115147.267 6.51% - 148s H 3 3 119858.42640 115217.552 3.87% 152 149s H 4 4 117529.83813 115224.543 1.96% 126 149s H 5 5 116161.57238 115239.478 0.79% 157 149s 5 7 115293.911 5 2 116161.572 115242.200 0.79% 234 150s H 7 6 115350.65347 115242.200 0.09% 237 150s H 8 6 115327.00000 115242.200 0.07% 213 150s * 9 4 8 115309.00000 115242.200 0.06% 191 150s Cutting planes: Implied bound: 95 Explored 12 nodes (35219 simplex iterations) in 150.84 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.153090000000e+05, best bound 1.152980346320e+05, gap 0.0095%