Optimize a model with 99 rows, 4851 columns and 9702 nonzeros Presolve time: 0.00s Presolved: 99 rows, 4851 columns, 9702 nonzeros Iteration Objective Primal Inf. Dual Inf. Time 0 1.8000000e+01 1.950000e+02 0.000000e+00 0s 165 1.1980000e+03 0.000000e+00 0.000000e+00 0s Solved in 165 iterations and 0.00 seconds Optimal objective 1.198000000e+03 Optimize a model with 102 rows, 4851 columns and 13897 nonzeros Iteration Objective Primal Inf. Dual Inf. Time 0 1.1980000e+03 3.000000e+00 0.000000e+00 0s 3 1.2010000e+03 0.000000e+00 0.000000e+00 0s Solved in 3 iterations and 0.00 seconds Optimal objective 1.201000000e+03 Optimize a model with 104 rows, 4851 columns and 16370 nonzeros Iteration Objective Primal Inf. Dual Inf. Time 0 1.2010000e+03 2.000000e+00 0.000000e+00 0s 4 1.2040000e+03 0.000000e+00 0.000000e+00 0s Solved in 4 iterations and 0.00 seconds Optimal objective 1.204000000e+03 Optimize a model with 104 rows, 4851 columns and 16370 nonzeros Presolve time: 0.02s Presolved: 104 rows, 4851 columns, 16370 nonzeros Variable types: 0 continuous, 4851 integer (4851 binary) Root relaxation: objective 1.204000e+03, 162 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1204.00000 0 30 - 1204.00000 - - 0s H 0 0 1427.0000000 1204.00000 15.6% - 0s 0 0 1206.50000 0 14 1427.00000 1206.50000 15.5% - 0s * 0 0 0 1207.0000000 1207.00000 0.0% - 0s Cutting planes: Zero half: 11 Explored 0 nodes (183 simplex iterations) in 0.06 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.207000000000e+03, best bound 1.207000000000e+03, gap 0.0% Optimize a model with 108 rows, 4851 columns and 19309 nonzeros Presolve time: 0.02s Presolved: 108 rows, 4851 columns, 19309 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 4851 integer (4851 binary) Root relaxation: objective 1.204500e+03, 175 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1204.50000 0 18 - 1204.50000 - - 0s Another try with MIP start H 0 0 1397.0000000 1204.50000 13.8% - 0s 0 0 1207.50000 0 6 1397.00000 1207.50000 13.6% - 0s 0 0 1208.20000 0 30 1397.00000 1208.20000 13.5% - 0s 0 0 1208.60000 0 29 1397.00000 1208.60000 13.5% - 0s H 0 0 1218.0000000 1208.60000 0.77% - 0s 0 0 1208.66667 0 35 1218.00000 1208.66667 0.77% - 0s 0 0 1208.66667 0 12 1218.00000 1208.66667 0.77% - 0s 0 0 1208.66667 0 21 1218.00000 1208.66667 0.77% - 0s 0 0 1209.00000 0 24 1218.00000 1209.00000 0.74% - 0s 0 0 1209.00000 0 21 1218.00000 1209.00000 0.74% - 0s * 0 0 0 1209.0000000 1209.00000 0.0% - 0s Cutting planes: Gomory: 2 Zero half: 24 Explored 0 nodes (388 simplex iterations) in 0.11 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.209000000000e+03, best bound 1.209000000000e+03, gap 0.0% Optimize a model with 111 rows, 4851 columns and 22244 nonzeros Presolve time: 0.02s Presolved: 111 rows, 4851 columns, 22244 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 4851 integer (4851 binary) Root relaxation: objective 1.204750e+03, 174 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1204.75000 0 35 - 1204.75000 - - 0s Another try with MIP start H 0 0 1258.0000000 1204.75000 4.23% - 0s 0 0 1206.75000 0 25 1258.00000 1206.75000 4.07% - 0s 0 0 1206.75000 0 35 1258.00000 1206.75000 4.07% - 0s 0 0 1206.75000 0 25 1258.00000 1206.75000 4.07% - 0s 0 0 1207.50000 0 37 1258.00000 1207.50000 4.01% - 0s 0 0 1208.50000 0 21 1258.00000 1208.50000 3.93% - 0s 0 0 1209.00000 0 29 1258.00000 1209.00000 3.90% - 0s 0 0 1209.00000 0 22 1258.00000 1209.00000 3.90% - 0s 0 0 1209.00000 0 35 1258.00000 1209.00000 3.90% - 0s 0 0 1209.00000 0 28 1258.00000 1209.00000 3.90% - 0s 0 0 1209.42500 0 46 1258.00000 1209.42500 3.86% - 0s H 0 0 1252.0000000 1209.42500 3.40% - 0s H 0 0 1210.0000000 1209.42500 0.05% - 0s Cutting planes: Zero half: 14 Explored 0 nodes (466 simplex iterations) in 0.18 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.210000000000e+03, best bound 1.210000000000e+03, gap 0.0% Optimize a model with 113 rows, 4851 columns and 25197 nonzeros Presolve time: 0.02s Presolved: 113 rows, 4851 columns, 25197 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 4851 integer (4851 binary) Root relaxation: objective 1.204750e+03, 170 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1204.75000 0 35 - 1204.75000 - - 0s Another try with MIP start H 0 0 1406.0000000 1204.75000 14.3% - 0s 0 0 1206.75000 0 25 1406.00000 1206.75000 14.2% - 0s 0 0 1207.50000 0 38 1406.00000 1207.50000 14.1% - 0s H 0 0 1301.0000000 1207.50000 7.19% - 0s 0 0 1208.37500 0 41 1301.00000 1208.37500 7.12% - 0s 0 0 1208.37500 0 37 1301.00000 1208.37500 7.12% - 0s 0 0 1208.37500 0 24 1301.00000 1208.37500 7.12% - 0s 0 0 1208.37500 0 41 1301.00000 1208.37500 7.12% - 0s 0 0 1208.75000 0 28 1301.00000 1208.75000 7.09% - 0s 0 0 1208.75000 0 42 1301.00000 1208.75000 7.09% - 0s 0 0 1208.75000 0 40 1301.00000 1208.75000 7.09% - 0s 0 0 1208.77778 0 47 1301.00000 1208.77778 7.09% - 0s 0 0 1208.77778 0 47 1301.00000 1208.77778 7.09% - 0s H 0 0 1263.0000000 1208.77778 4.29% - 0s H 0 0 1212.0000000 1208.77778 0.27% - 0s 0 2 1209.14286 0 22 1212.00000 1209.14286 0.24% - 0s * 5 0 5 1211.0000000 1211.00000 0.0% 3.8 0s Cutting planes: Zero half: 11 Explored 6 nodes (454 simplex iterations) in 0.45 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.211000000000e+03, best bound 1.211000000000e+03, gap 0.0% Optimize a model with 115 rows, 4851 columns and 29490 nonzeros Presolve time: 0.03s Presolved: 115 rows, 4851 columns, 29490 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 4851 integer (4851 binary) Root relaxation: objective 1.205750e+03, 190 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1205.75000 0 43 - 1205.75000 - - 0s Another try with MIP start H 0 0 1483.0000000 1205.75000 18.7% - 0s 0 0 1207.25000 0 25 1483.00000 1207.25000 18.6% - 0s 0 0 1207.70000 0 31 1483.00000 1207.70000 18.6% - 0s H 0 0 1481.0000000 1207.70000 18.5% - 0s 0 0 1209.00000 0 32 1481.00000 1209.00000 18.4% - 0s H 0 0 1219.0000000 1209.00000 0.82% - 0s 0 0 1209.25000 0 25 1219.00000 1209.25000 0.80% - 0s 0 0 1209.25000 0 35 1219.00000 1209.25000 0.80% - 0s 0 0 1209.50000 0 18 1219.00000 1209.50000 0.78% - 0s H 0 0 1212.0000000 1209.50000 0.21% - 0s 0 0 1209.75000 0 23 1212.00000 1209.75000 0.19% - 0s 0 1 1209.75000 0 23 1212.00000 1209.75000 0.19% - 0s H 1 1 1211.0000000 1209.75000 0.10% 0.0 0s Cutting planes: Gomory: 4 Zero half: 3 Explored 1 nodes (435 simplex iterations) in 0.21 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.211000000000e+03, best bound 1.211000000000e+03, gap 0.0% Gurobi 5.0.1 (linux64) logging started Sun Nov 25 02:42:50 2012