Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:19:56 2013 Optimize a model with 1100 rows, 25850 columns and 53800 nonzeros Presolve removed 50 rows and 50 columns Presolve time: 0.12s Presolved: 1050 rows, 25800 columns, 53250 nonzeros Variable types: 25600 continuous, 200 integer (200 binary) Root relaxation: objective 1.824192e+05, 2476 iterations, 0.12 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 182419.206 0 3 - 182419.206 - - 0s H 0 0 191688.51045 182419.206 4.84% - 0s 0 0 182445.503 0 6 191688.510 182445.503 4.82% - 0s 0 0 182460.880 0 6 191688.510 182460.880 4.81% - 0s 0 0 182472.417 0 6 191688.510 182472.417 4.81% - 0s 0 0 182478.644 0 6 191688.510 182478.644 4.80% - 0s 0 0 182483.096 0 6 191688.510 182483.096 4.80% - 0s 0 0 182486.061 0 6 191688.510 182486.061 4.80% - 0s 0 0 182488.144 0 7 191688.510 182488.144 4.80% - 0s 0 0 182492.537 0 7 191688.510 182492.537 4.80% - 0s 0 0 182492.671 0 7 191688.510 182492.671 4.80% - 0s 0 0 182492.978 0 7 191688.510 182492.978 4.80% - 1s 0 0 182493.326 0 7 191688.510 182493.326 4.80% - 1s 0 0 182493.326 0 7 191688.510 182493.326 4.80% - 1s 0 2 182494.062 0 7 191688.510 182494.062 4.80% - 1s * 7 5 7 182879.22514 182518.437 0.20% 64.7 1s Cutting planes: Flow cover: 13 Explored 22 nodes (4200 simplex iterations) in 1.98 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.828792251419e+05, best bound 1.828792251419e+05, gap 0.0%