Gurobi 5.0.1 (linux64) logging started Wed Apr 24 08:12:06 2013 Optimize a model with 93312 rows, 92352 columns and 368832 nonzeros Presolve removed 96 rows and 0 columns Presolve time: 0.47s 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 9367 8.0740581e+04 4.807276e+04 0.000000e+00 5s 11097 8.1927419e+04 4.953142e+03 0.000000e+00 11s 11862 8.2082471e+04 0.000000e+00 0.000000e+00 13s Root relaxation: objective 8.208247e+04, 11862 iterations, 12.97 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 82082.4707 0 69 - 82082.4707 - - 13s H 0 0 143530.00000 82082.4707 42.8% - 23s H 0 0 116358.00000 82082.4707 29.5% - 92s 0 0 101873.514 0 26 116358.000 101873.514 12.4% - 117s 0 0 108127.480 0 13 116358.000 108127.480 7.07% - 127s 0 0 109038.636 0 5 116358.000 109038.636 6.29% - 131s 0 0 109794.160 0 2 116358.000 109794.160 5.64% - 133s H 0 0 112759.85049 109794.160 2.63% - 133s H 0 0 112040.00000 109794.160 2.00% - 133s H 0 0 111352.00000 109794.160 1.40% - 133s 0 2 109795.090 0 2 111352.000 109795.090 1.40% - 135s H 3 3 110181.99419 110086.777 0.09% 913 139s * 5 3 4 110175.00000 110092.709 0.07% 702 139s Cutting planes: Gomory: 1 Implied bound: 96 Explored 9 nodes (32923 simplex iterations) in 139.77 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.101750000000e+05, best bound 1.101674593496e+05, gap 0.0068%