Gurobi 5.0.1 (linux64) logging started Wed Apr 24 04:59:01 2013 Optimize a model with 74992 rows, 74132 columns and 296012 nonzeros Presolve removed 86 rows and 0 columns Presolve time: 0.35s Presolved: 74906 rows, 74132 columns, 295926 nonzeros Variable types: 74046 continuous, 86 integer (86 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 8308 7.9765405e+04 6.230447e+04 0.000000e+00 5s 10506 8.1251492e+04 1.612417e+04 0.000000e+00 10s 11130 8.1295926e+04 0.000000e+00 0.000000e+00 12s Root relaxation: objective 8.129593e+04, 11130 iterations, 11.54 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 81295.9257 0 57 - 81295.9257 - - 12s H 0 0 146068.00000 81295.9257 44.3% - 17s 0 0 117795.279 0 22 146068.000 117795.279 19.4% - 33s H 0 0 137470.00000 117795.279 14.3% - 35s 0 0 122181.578 0 6 137470.000 122181.578 11.1% - 43s H 0 0 134489.97023 122181.578 9.15% - 43s H 0 0 127199.00000 122181.578 3.94% - 43s 0 0 123116.705 0 5 127199.000 123116.705 3.21% - 45s H 0 0 123676.00000 123116.705 0.45% - 46s 0 0 123178.027 0 4 123676.000 123178.027 0.40% - 47s H 0 0 123504.00000 123178.027 0.26% - 49s 0 2 123188.035 0 4 123504.000 123188.035 0.26% - 50s * 5 3 4 123417.00000 123220.281 0.16% 394 52s Cutting planes: Implied bound: 80 Explored 13 nodes (33102 simplex iterations) in 53.19 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.234170000000e+05, best bound 1.234170000000e+05, gap 0.0%