Gurobi 5.0.1 (linux64) logging started Wed Apr 24 07:55:08 2013 Optimize a model with 91390 rows, 90440 columns and 361190 nonzeros Presolve removed 95 rows and 0 columns Presolve time: 0.45s Presolved: 91295 rows, 90440 columns, 361095 nonzeros Variable types: 90345 continuous, 95 integer (95 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 9902 8.4913272e+04 1.312428e+06 0.000000e+00 5s 11441 8.6628140e+04 2.284345e+05 0.000000e+00 10s 12809 8.7374544e+04 2.212840e+04 0.000000e+00 15s 14177 8.7670548e+04 5.261902e+01 0.000000e+00 20s 14293 8.7672178e+04 0.000000e+00 0.000000e+00 21s Root relaxation: objective 8.767218e+04, 14293 iterations, 20.51 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 87672.1779 0 75 - 87672.1779 - - 21s H 0 0 189901.00000 87672.1779 53.8% - 43s 0 0 132795.063 0 18 189901.000 132795.063 30.1% - 76s H 0 0 180462.58187 132795.063 26.4% - 76s H 0 0 157721.00000 132795.063 15.8% - 78s 0 0 141974.660 0 11 157721.000 141974.660 10.0% - 88s H 0 0 157606.00000 141974.660 9.92% - 89s 0 0 142896.781 0 7 157606.000 142896.781 9.33% - 91s H 0 0 155771.74735 142896.781 8.27% - 91s H 0 0 153451.00000 142896.781 6.88% - 92s 0 0 142942.884 0 3 153451.000 142942.884 6.85% - 92s H 0 0 146106.06850 142942.884 2.16% - 92s H 0 0 145283.00000 142942.884 1.61% - 92s H 0 0 143246.00000 142942.884 0.21% - 94s 0 2 142944.812 0 3 143246.000 142944.812 0.21% - 95s H 6 4 143146.27273 143019.963 0.09% 222 97s H 8 5 143132.24022 143019.963 0.08% 222 98s * 14 6 9 143099.00000 143019.963 0.06% 269 99s 16 3 cutoff 2 143099.000 143026.611 0.05% 315 101s Cutting planes: Implied bound: 92 Explored 24 nodes (42929 simplex iterations) in 101.79 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.430990000000e+05, best bound 1.430990000000e+05, gap 0.0%