Gurobi 5.0.1 (linux64) logging started Sun Dec 9 21:58:43 2012 Optimize a model with 1110 rows, 1080 columns and 3570 nonzeros Presolve removed 63 rows and 36 columns Presolve time: 0.01s Presolved: 1047 rows, 1044 columns, 3426 nonzeros Variable types: 693 continuous, 351 integer (351 binary) Root relaxation: objective 9.530602e+04, 548 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 95306.0199 0 201 - 95306.0199 - - 0s H 0 0 154364.00000 95306.0199 38.3% - 0s 0 0 116241.798 0 52 154364.000 116241.798 24.7% - 0s H 0 0 126244.00000 116241.798 7.92% - 0s 0 0 116765.993 0 49 126244.000 116765.993 7.51% - 0s 0 0 116928.927 0 33 126244.000 116928.927 7.38% - 0s 0 0 116972.081 0 31 126244.000 116972.081 7.34% - 0s 0 0 116977.829 0 24 126244.000 116977.829 7.34% - 0s 0 2 116978.057 0 24 126244.000 116978.057 7.34% - 0s H 27 27 125544.00000 116980.033 6.82% 4.2 0s H 100 100 125304.00000 116980.033 6.64% 3.9 0s H 106 100 119152.14489 116980.033 1.82% 4.0 0s * 108 95 92 118867.00000 116980.033 1.59% 4.0 0s * 199 164 73 118814.00000 117010.488 1.52% 4.2 0s H 292 236 118724.54446 117028.991 1.43% 4.1 0s H 294 206 118439.39957 117028.991 1.19% 4.1 0s * 295 198 87 118371.00000 117028.991 1.13% 4.1 0s H 600 408 118238.00000 117048.662 1.01% 4.6 0s H 704 429 117673.00000 117079.284 0.50% 5.9 0s * 727 403 71 117672.00000 117079.284 0.50% 5.9 0s H 900 381 117522.00000 117103.397 0.36% 6.0 0s 8397 2193 117358.859 40 31 117522.000 117354.275 0.14% 5.1 5s 18707 1269 cutoff 48 117522.000 117470.225 0.04% 4.9 10s Cutting planes: Gomory: 29 Cover: 1 Implied bound: 1 Flow cover: 98 Flow path: 50 Explored 20487 nodes (99218 simplex iterations) in 10.93 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.175219999997e+05, best bound 1.175103350029e+05, gap 0.0099%