Gurobi 5.0.1 (linux64) logging started Wed Apr 24 10:20:00 2013 Optimize a model with 101200 rows, 100200 columns and 400200 nonzeros Presolve removed 100 rows and 0 columns Presolve time: 0.52s Presolved: 101100 rows, 100200 columns, 400100 nonzeros Variable types: 100100 continuous, 100 integer (100 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 10776 8.6899808e+04 5.172399e+04 0.000000e+00 5s 12387 8.8806178e+04 9.434954e+03 0.000000e+00 10s 13640 8.9690233e+04 1.855982e+05 0.000000e+00 15s 15072 9.0127933e+04 1.476087e+03 0.000000e+00 20s 15606 9.0168057e+04 0.000000e+00 0.000000e+00 22s Root relaxation: objective 9.016806e+04, 15606 iterations, 22.23 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 90168.0570 0 74 - 90168.0570 - - 23s H 0 0 200513.00000 90168.0570 55.0% - 42s 0 0 126206.955 0 24 200513.000 126206.955 37.1% - 92s H 0 0 169224.00000 126206.955 25.4% - 98s 0 0 142835.552 0 8 169224.000 142835.552 15.6% - 108s H 0 0 165055.77060 142835.552 13.5% - 108s H 0 0 157984.00000 142835.552 9.59% - 108s 0 0 145677.543 0 2 157984.000 145677.543 7.79% - 112s H 0 0 147702.31395 145677.543 1.37% - 112s H 0 0 147412.00000 145677.543 1.18% - 112s 0 2 145677.914 0 2 147412.000 145677.914 1.18% - 114s 1 3 145747.667 1 2 147412.000 145747.667 1.13% 421 115s H 2 2 146533.00000 145747.667 0.54% 210 115s H 3 3 146048.63158 145748.019 0.21% 225 115s H 8 5 145941.44444 145748.019 0.13% 154 116s * 9 4 8 145859.00000 145748.019 0.08% 151 116s Cutting planes: Gomory: 2 Implied bound: 100 Explored 26 nodes (45694 simplex iterations) in 118.45 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.458590000000e+05, best bound 1.458590000000e+05, gap 0.0%