Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:19:37 2013 Optimize a model with 700 rows, 25250 columns and 50500 nonzeros Presolve removed 50 rows and 50 columns Presolve time: 0.03s Presolved: 800 rows, 25300 columns, 50650 nonzeros Variable types: 25200 continuous, 100 integer (100 binary) Root relaxation: objective 2.252562e+05, 3102 iterations, 0.10 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 225256.157 0 2 - 225256.157 - - 0s H 0 0 227666.35438 225256.157 1.06% - 0s 0 0 225292.554 0 2 227666.354 225292.554 1.04% - 0s 0 0 225296.799 0 2 227666.354 225296.799 1.04% - 0s H 0 0 227360.35455 225296.799 0.91% - 0s 0 0 225315.480 0 2 227360.355 225315.480 0.90% - 0s 0 0 225316.069 0 4 227360.355 225316.069 0.90% - 0s 0 0 225319.696 0 2 227360.355 225319.696 0.90% - 0s 0 0 225321.360 0 4 227360.355 225321.360 0.90% - 0s 0 0 225322.181 0 2 227360.355 225322.181 0.90% - 0s 0 0 225322.986 0 2 227360.355 225322.986 0.90% - 0s 0 0 225323.602 0 2 227360.355 225323.602 0.90% - 0s 0 0 225324.521 0 2 227360.355 225324.521 0.90% - 0s 0 0 225324.651 0 2 227360.355 225324.651 0.90% - 0s 0 0 225324.721 0 2 227360.355 225324.721 0.90% - 1s 0 0 225324.820 0 2 227360.355 225324.820 0.90% - 1s 0 0 225324.864 0 2 227360.355 225324.864 0.90% - 1s 0 0 225325.096 0 2 227360.355 225325.096 0.90% - 1s 0 0 225325.117 0 2 227360.355 225325.117 0.90% - 1s 0 0 225325.180 0 2 227360.355 225325.180 0.90% - 1s 0 0 225325.205 0 2 227360.355 225325.205 0.90% - 1s 0 0 225325.312 0 2 227360.355 225325.312 0.90% - 1s 0 0 225325.312 0 2 227360.355 225325.312 0.90% - 1s 0 2 225416.577 0 2 227360.355 225416.577 0.85% - 1s * 7 3 5 227206.51319 225740.907 0.65% 189 2s * 14 4 8 225915.15199 225860.622 0.02% 112 2s Cutting planes: Flow cover: 19 Explored 17 nodes (5808 simplex iterations) in 2.39 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.259151519913e+05, best bound 2.259151519913e+05, gap 0.0%