current theta: 0.586910789801 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:40 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 160 rows and 168 columns Presolve time: 0.00s Presolved: 221 rows, 231 columns, 633 nonzeros Variable types: 0 continuous, 231 integer (231 binary) Root relaxation: objective 0.000000e+00, 143 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 0.0000000 0.00000 0.00% - 0s Explored 0 nodes (143 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [5, 10] edges [(4, 5), (18, 10), (15, 10), (12, 10), (2, 10), (11, 10), (14, 5), (1, 10), (10, 10), (9, 10), (16, 10), (3, 5), (17, 5), (13, 5), (0, 10), (5, 5), (6, 10), (8, 10), (7, 10)] current theta: 0.293455394901 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:40 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 282 rows and 300 columns Presolve time: 0.00s Presolved: 99 rows, 99 columns, 259 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 99 integer (99 binary) Root relaxation: cutoff, 94 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 - 0.10000 - - 0s Explored 0 nodes (94 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.440183092351 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:40 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 218 rows and 233 columns Presolve time: 0.00s Presolved: 163 rows, 166 columns, 452 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 166 integer (166 binary) Root relaxation: cutoff, 148 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 - 0.10000 - - 0s Explored 0 nodes (148 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.513546941076 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:40 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 192 rows and 205 columns Presolve time: 0.00s Presolved: 189 rows, 194 columns, 532 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 194 integer (194 binary) Root relaxation: objective 0.000000e+00, 174 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 0.0000000 0.00000 0.00% - 0s Explored 0 nodes (174 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [9, 15] edges [(9, 9), (7, 15), (10, 9), (0, 9), (15, 15), (18, 15), (13, 9), (16, 15), (11, 9), (14, 9), (12, 9), (6, 15), (5, 9), (8, 15), (17, 15), (3, 9), (1, 9), (4, 9), (2, 9)] current theta: 0.476865016713 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:40 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 204 rows and 218 columns Presolve time: 0.00s Presolved: 177 rows, 181 columns, 495 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 181 integer (181 binary) Root relaxation: cutoff, 13 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 0.00000 -1.00000 - - 0s Explored 0 nodes (13 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [9, 15] edges [(9, 9), (7, 15), (10, 9), (0, 9), (15, 15), (18, 15), (13, 9), (16, 15), (11, 9), (14, 9), (12, 9), (6, 15), (5, 9), (8, 15), (17, 15), (3, 9), (1, 9), (4, 9), (2, 9)] current theta: 0.458524054532 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:40 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 212 rows and 227 columns Presolve time: 0.00s Presolved: 169 rows, 172 columns, 470 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 172 integer (172 binary) Root relaxation: cutoff, 143 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 - 0.10000 - - 0s Explored 0 nodes (143 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.467694535623 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:40 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 208 rows and 223 columns Presolve time: 0.00s Presolved: 173 rows, 176 columns, 482 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 176 integer (176 binary) Root relaxation: cutoff, 14 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 0.00000 -1.00000 - - 0s Explored 0 nodes (14 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [9, 15] edges [(9, 9), (7, 15), (10, 9), (0, 9), (15, 15), (18, 15), (13, 9), (16, 15), (11, 9), (14, 9), (12, 9), (6, 15), (5, 9), (8, 15), (17, 15), (3, 9), (1, 9), (4, 9), (2, 9)] current theta: 0.463109295077 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:40 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 208 rows and 223 columns Presolve time: 0.00s Presolved: 173 rows, 176 columns, 482 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 176 integer (176 binary) Root relaxation: cutoff, 14 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 0.00000 -1.00000 - - 0s Explored 0 nodes (14 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [9, 15] edges [(9, 9), (7, 15), (10, 9), (0, 9), (15, 15), (18, 15), (13, 9), (16, 15), (11, 9), (14, 9), (12, 9), (6, 15), (5, 9), (8, 15), (17, 15), (3, 9), (1, 9), (4, 9), (2, 9)] current theta: 0.460816674805 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:40 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 212 rows and 227 columns Presolve time: 0.00s Presolved: 169 rows, 172 columns, 470 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 172 integer (172 binary) Root relaxation: cutoff, 143 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 - 0.10000 - - 0s Explored 0 nodes (143 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.461962984941 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:40 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 210 rows and 225 columns Presolve time: 0.00s Presolved: 171 rows, 174 columns, 476 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 174 integer (174 binary) Root relaxation: cutoff, 14 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 0.00000 -1.00000 - - 0s Explored 0 nodes (14 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [9, 15] edges [(9, 9), (7, 15), (10, 9), (0, 9), (15, 15), (18, 15), (13, 9), (16, 15), (11, 9), (14, 9), (12, 9), (6, 15), (5, 9), (8, 15), (17, 15), (3, 9), (1, 9), (4, 9), (2, 9)] current theta: 0.461389829873 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:40 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 210 rows and 225 columns Presolve time: 0.00s Presolved: 171 rows, 174 columns, 476 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 174 integer (174 binary) Root relaxation: cutoff, 14 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 0.00000 -1.00000 - - 0s Explored 0 nodes (14 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [9, 15] edges [(9, 9), (7, 15), (10, 9), (0, 9), (15, 15), (18, 15), (13, 9), (16, 15), (11, 9), (14, 9), (12, 9), (6, 15), (5, 9), (8, 15), (17, 15), (3, 9), (1, 9), (4, 9), (2, 9)] current theta: 0.461103252339 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:40 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 210 rows and 225 columns Presolve time: 0.00s Presolved: 171 rows, 174 columns, 476 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 174 integer (174 binary) Root relaxation: cutoff, 14 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 0.00000 -1.00000 - - 0s Explored 0 nodes (14 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [9, 15] edges [(9, 9), (7, 15), (10, 9), (0, 9), (15, 15), (18, 15), (13, 9), (16, 15), (11, 9), (14, 9), (12, 9), (6, 15), (5, 9), (8, 15), (17, 15), (3, 9), (1, 9), (4, 9), (2, 9)] current theta: 0.460959963572 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:40 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 212 rows and 227 columns Presolve time: 0.00s Presolved: 169 rows, 172 columns, 470 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 172 integer (172 binary) Root relaxation: cutoff, 143 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 - 0.10000 - - 0s Explored 0 nodes (143 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.461031607955 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:40 2014 Optimize a model with 381 rows, 399 columns and 1121 nonzeros Presolve removed 210 rows and 225 columns Presolve time: 0.00s Presolved: 171 rows, 174 columns, 476 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 174 integer (174 binary) Root relaxation: cutoff, 14 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 cutoff 0 0.00000 -1.00000 - - 0s Explored 0 nodes (14 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% infeasibility= 0.0 updated solution: facilities [9, 15] edges [(9, 9), (7, 15), (10, 9), (0, 9), (15, 15), (18, 15), (13, 9), (16, 15), (11, 9), (14, 9), (12, 9), (6, 15), (5, 9), (8, 15), (17, 15), (3, 9), (1, 9), (4, 9), (2, 9)]