Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:45:06 2013 Optimize a model with 1000 rows, 26050 columns and 53350 nonzeros Presolve removed 50 rows and 350 columns Presolve time: 0.11s Presolved: 950 rows, 25700 columns, 52850 nonzeros Variable types: 25550 continuous, 150 integer (150 binary) Root relaxation: objective 2.252562e+05, 2788 iterations, 0.11 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 225256.157 0 1 - 225256.157 - - 0s H 0 0 238378.87772 225256.157 5.50% - 0s 0 0 225292.554 0 1 238378.878 225292.554 5.49% - 0s 0 0 225295.460 0 1 238378.878 225295.460 5.49% - 0s H 0 0 227611.06234 225295.460 1.02% - 0s 0 0 225315.480 0 1 227611.062 225315.480 1.01% - 0s 0 0 225316.425 0 2 227611.062 225316.425 1.01% - 0s 0 0 225319.747 0 1 227611.062 225319.747 1.01% - 0s 0 0 225321.769 0 2 227611.062 225321.769 1.01% - 0s 0 0 225322.464 0 1 227611.062 225322.464 1.01% - 0s 0 0 225323.340 0 1 227611.062 225323.340 1.01% - 1s 0 0 225323.813 0 2 227611.062 225323.813 1.00% - 1s 0 0 225324.052 0 1 227611.062 225324.052 1.00% - 1s 0 0 225324.467 0 1 227611.062 225324.467 1.00% - 1s 0 0 225324.714 0 1 227611.062 225324.714 1.00% - 1s 0 0 225324.767 0 1 227611.062 225324.767 1.00% - 1s 0 0 225324.767 0 1 227611.062 225324.767 1.00% - 1s 0 2 225379.318 0 1 227611.062 225379.318 0.98% - 1s * 10 4 10 225915.15199 225844.968 0.03% 72.6 2s Cutting planes: Flow cover: 15 Explored 13 nodes (4460 simplex iterations) in 2.22 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%