Gurobi 5.0.1 (linux64) logging started Wed Apr 24 08:22:51 2013 Optimize a model with 93312 rows, 92352 columns and 368832 nonzeros Presolve removed 96 rows and 0 columns Presolve time: 0.46s Presolved: 93216 rows, 92352 columns, 368736 nonzeros Variable types: 92256 continuous, 96 integer (96 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 9215 7.6261040e+04 5.595451e+05 0.000000e+00 5s 10772 7.7065728e+04 1.443352e+04 0.000000e+00 10s 11539 7.7167733e+04 0.000000e+00 0.000000e+00 13s Root relaxation: objective 7.716773e+04, 11539 iterations, 12.70 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 77167.7330 0 71 - 77167.7330 - - 13s H 0 0 146051.00000 77167.7330 47.2% - 23s 0 0 100490.098 0 23 146051.000 100490.098 31.2% - 51s H 0 0 123204.00000 100490.098 18.4% - 53s H 0 0 121636.00000 100490.098 17.4% - 57s 0 0 108036.748 0 10 121636.000 108036.748 11.2% - 65s 0 0 110322.847 0 4 121636.000 110322.847 9.30% - 67s H 0 0 119015.31305 110322.847 7.30% - 67s H 0 0 117443.00000 110322.847 6.06% - 67s 0 2 110323.277 0 4 117443.000 110323.277 6.06% - 69s H 1 1 114405.78530 110323.277 3.57% 0.0 70s H 2 2 114145.86394 110328.760 3.34% 148 70s H 3 3 111059.72973 110350.459 0.64% 277 70s H 4 4 110756.33333 110353.667 0.36% 218 71s H 10 5 110466.69863 110371.728 0.09% 202 72s * 12 5 11 110441.00000 110371.728 0.06% 185 72s Cutting planes: Implied bound: 95 Explored 24 nodes (32570 simplex iterations) in 74.55 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.104410000000e+05, best bound 1.104345348837e+05, gap 0.0059%