Gurobi 5.0.1 (linux64) logging started Fri Jan 18 01:52:01 2013 Optimize a model with 3300 rows, 30150 columns and 67750 nonzeros Presolve removed 50 rows and 50 columns Presolve time: 0.24s Presolved: 3250 rows, 30100 columns, 65200 nonzeros Variable types: 27600 continuous, 2500 integer (2500 binary) Root relaxation: objective 2.252562e+05, 4199 iterations, 0.19 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 229107.94927 225256.157 1.68% - 0s 0 0 225331.978 0 8 229107.949 225331.978 1.65% - 0s H 0 0 228415.86709 225331.978 1.35% - 0s 0 0 225342.685 0 6 228415.867 225342.685 1.35% - 1s 0 0 225344.557 0 6 228415.867 225344.557 1.34% - 1s 0 0 225346.596 0 8 228415.867 225346.596 1.34% - 1s 0 0 225353.441 0 8 228415.867 225353.441 1.34% - 1s 0 0 225364.384 0 10 228415.867 225364.384 1.34% - 1s 0 0 225370.601 0 8 228415.867 225370.601 1.33% - 1s 0 0 225372.657 0 6 228415.867 225372.657 1.33% - 1s 0 0 225373.672 0 6 228415.867 225373.672 1.33% - 1s 0 0 225377.607 0 10 228415.867 225377.607 1.33% - 1s 0 0 225380.593 0 10 228415.867 225380.593 1.33% - 2s 0 0 225381.799 0 8 228415.867 225381.799 1.33% - 2s 0 0 225382.297 0 8 228415.867 225382.297 1.33% - 2s 0 0 225382.705 0 8 228415.867 225382.705 1.33% - 2s 0 0 225384.825 0 10 228415.867 225384.825 1.33% - 2s 0 0 225385.889 0 6 228415.867 225385.889 1.33% - 2s 0 0 225386.733 0 10 228415.867 225386.733 1.33% - 2s 0 0 225388.660 0 8 228415.867 225388.660 1.33% - 2s 0 0 225388.929 0 6 228415.867 225388.929 1.33% - 2s 0 0 225391.981 0 4 228415.867 225391.981 1.32% - 2s 0 0 225392.726 0 6 228415.867 225392.726 1.32% - 3s 0 0 225396.545 0 6 228415.867 225396.545 1.32% - 3s 0 0 225405.235 0 6 228415.867 225405.235 1.32% - 3s 0 0 225409.911 0 8 228415.867 225409.911 1.32% - 3s 0 0 225413.635 0 6 228415.867 225413.635 1.31% - 3s 0 0 225414.523 0 6 228415.867 225414.523 1.31% - 3s 0 0 225417.268 0 8 228415.867 225417.268 1.31% - 3s 0 0 225419.467 0 6 228415.867 225419.467 1.31% - 4s 0 0 225420.831 0 6 228415.867 225420.831 1.31% - 4s 0 0 225424.411 0 6 228415.867 225424.411 1.31% - 4s 0 0 225426.682 0 8 228415.867 225426.682 1.31% - 4s 0 0 225433.478 0 6 228415.867 225433.478 1.31% - 4s 0 0 225445.448 0 6 228415.867 225445.448 1.30% - 4s 0 0 225460.732 0 8 228415.867 225460.732 1.29% - 5s 0 0 225468.746 0 6 228415.867 225468.746 1.29% - 5s 0 0 225471.696 0 6 228415.867 225471.696 1.29% - 5s 0 0 225473.087 0 6 228415.867 225473.087 1.29% - 5s 0 0 225473.087 0 6 228415.867 225473.087 1.29% - 5s 0 0 225473.087 0 6 228415.867 225473.087 1.29% - 5s 0 0 225473.208 0 6 228415.867 225473.208 1.29% - 6s 0 0 225473.208 0 6 228415.867 225473.208 1.29% - 6s 0 2 225473.208 0 6 228415.867 225473.208 1.29% - 6s * 20 4 10 225915.15199 225915.152 0.0% 194 8s Cutting planes: Gomory: 1 Implied bound: 106 Flow cover: 9 Explored 21 nodes (9579 simplex iterations) in 8.09 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%