current theta: 0.561048870413 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:55 2014 Optimize a model with 601 rows, 624 columns and 1776 nonzeros Presolve removed 266 rows and 269 columns Presolve time: 0.00s Presolved: 335 rows, 355 columns, 975 nonzeros Variable types: 0 continuous, 355 integer (355 binary) Root relaxation: objective 0.000000e+00, 137 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 (137 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 [10, 11, 16] edges [(3, 11), (15, 10), (4, 11), (7, 16), (12, 10), (13, 11), (2, 16), (6, 16), (23, 16), (9, 10), (5, 11), (22, 16), (18, 16), (10, 16), (17, 16), (11, 11), (0, 10), (1, 11), (16, 16), (19, 11), (8, 10), (14, 10), (20, 11), (21, 10)] current theta: 0.280524435206 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:55 2014 Optimize a model with 601 rows, 624 columns and 1776 nonzeros Presolve removed 468 rows and 492 columns Presolve time: 0.00s Presolved: 133 rows, 132 columns, 348 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 132 integer (132 binary) Root relaxation: cutoff, 131 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 (131 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: 0.42078665281 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:55 2014 Optimize a model with 601 rows, 624 columns and 1776 nonzeros Presolve removed 368 rows and 383 columns Presolve time: 0.00s Presolved: 233 rows, 241 columns, 657 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 241 integer (241 binary) Root relaxation: cutoff, 234 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 (234 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: 0.490917761611 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:55 2014 Optimize a model with 601 rows, 624 columns and 1776 nonzeros Presolve removed 312 rows and 319 columns Presolve time: 0.00s Presolved: 289 rows, 305 columns, 833 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 305 integer (305 binary) Root relaxation: objective 0.000000e+00, 200 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 (354 simplex iterations) in 0.01 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 [10, 16, 19] edges [(9, 19), (5, 10), (17, 10), (12, 19), (7, 16), (2, 10), (3, 19), (4, 19), (11, 10), (20, 10), (10, 10), (19, 10), (23, 16), (15, 16), (16, 10), (18, 16), (22, 10), (1, 19), (13, 19), (0, 10), (6, 10), (8, 16), (14, 10), (21, 19)] current theta: 0.455852207211 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:55 2014 Optimize a model with 601 rows, 624 columns and 1776 nonzeros Presolve removed 332 rows and 342 columns Presolve time: 0.00s Presolved: 269 rows, 282 columns, 770 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 282 integer (282 binary) Root relaxation: objective 0.000000e+00, 213 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 (370 simplex iterations) in 0.01 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 [4, 6, 10] edges [(18, 10), (17, 6), (23, 6), (5, 10), (15, 6), (3, 4), (2, 10), (13, 4), (7, 6), (20, 4), (11, 10), (12, 4), (1, 4), (10, 6), (4, 4), (19, 10), (9, 10), (0, 4), (16, 10), (22, 10), (14, 4), (6, 10), (8, 10), (21, 10)] current theta: 0.43831943001 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:55 2014 Optimize a model with 601 rows, 624 columns and 1776 nonzeros Presolve removed 354 rows and 367 columns Presolve time: 0.00s Presolved: 247 rows, 257 columns, 701 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 257 integer (257 binary) Root relaxation: objective 0.000000e+00, 210 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 (210 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 [4, 15, 21] edges [(19, 4), (20, 21), (3, 4), (15, 15), (13, 4), (11, 21), (7, 21), (18, 15), (9, 4), (12, 4), (1, 4), (17, 21), (4, 4), (16, 15), (22, 15), (2, 21), (0, 4), (5, 21), (23, 21), (6, 15), (14, 4), (8, 15), (21, 21), (10, 21)] current theta: 0.42955304141 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:55 2014 Optimize a model with 601 rows, 624 columns and 1776 nonzeros Presolve removed 362 rows and 377 columns Presolve time: 0.00s Presolved: 239 rows, 247 columns, 675 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 247 integer (247 binary) Root relaxation: cutoff, 15 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 (15 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 [4, 15, 21] edges [(19, 4), (20, 21), (3, 4), (15, 15), (13, 4), (11, 21), (7, 21), (18, 15), (9, 4), (12, 4), (1, 4), (17, 21), (4, 4), (16, 15), (22, 15), (2, 21), (0, 4), (5, 21), (23, 21), (6, 15), (14, 4), (8, 15), (21, 21), (10, 21)] current theta: 0.42516984711 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:55 2014 Optimize a model with 601 rows, 624 columns and 1776 nonzeros Presolve removed 364 rows and 379 columns Presolve time: 0.00s Presolved: 237 rows, 245 columns, 669 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 245 integer (245 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 [4, 15, 21] edges [(19, 4), (20, 21), (3, 4), (15, 15), (13, 4), (11, 21), (7, 21), (18, 15), (9, 4), (12, 4), (1, 4), (17, 21), (4, 4), (16, 15), (22, 15), (2, 21), (0, 4), (5, 21), (23, 21), (6, 15), (14, 4), (8, 15), (21, 21), (10, 21)] current theta: 0.42297824996 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:55 2014 Optimize a model with 601 rows, 624 columns and 1776 nonzeros Presolve removed 364 rows and 379 columns Presolve time: 0.00s Presolved: 237 rows, 245 columns, 669 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 245 integer (245 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 [4, 15, 21] edges [(19, 4), (20, 21), (3, 4), (15, 15), (13, 4), (11, 21), (7, 21), (18, 15), (9, 4), (12, 4), (1, 4), (17, 21), (4, 4), (16, 15), (22, 15), (2, 21), (0, 4), (5, 21), (23, 21), (6, 15), (14, 4), (8, 15), (21, 21), (10, 21)] current theta: 0.421882451385 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:55 2014 Optimize a model with 601 rows, 624 columns and 1776 nonzeros Presolve removed 364 rows and 379 columns Presolve time: 0.00s Presolved: 237 rows, 245 columns, 669 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 245 integer (245 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 [4, 15, 21] edges [(19, 4), (20, 21), (3, 4), (15, 15), (13, 4), (11, 21), (7, 21), (18, 15), (9, 4), (12, 4), (1, 4), (17, 21), (4, 4), (16, 15), (22, 15), (2, 21), (0, 4), (5, 21), (23, 21), (6, 15), (14, 4), (8, 15), (21, 21), (10, 21)] current theta: 0.421334552097 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:55 2014 Optimize a model with 601 rows, 624 columns and 1776 nonzeros Presolve removed 366 rows and 381 columns Presolve time: 0.00s Presolved: 235 rows, 243 columns, 663 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 243 integer (243 binary) Root relaxation: cutoff, 15 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 (15 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 [4, 15, 21] edges [(19, 4), (20, 21), (3, 4), (15, 15), (13, 4), (11, 21), (7, 21), (18, 15), (9, 4), (12, 4), (1, 4), (17, 21), (4, 4), (16, 15), (22, 15), (2, 21), (0, 4), (5, 21), (23, 21), (6, 15), (14, 4), (8, 15), (21, 21), (10, 21)] current theta: 0.421060602453 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:55 2014 Optimize a model with 601 rows, 624 columns and 1776 nonzeros Presolve removed 366 rows and 381 columns Presolve time: 0.00s Presolved: 235 rows, 243 columns, 663 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 243 integer (243 binary) Root relaxation: cutoff, 15 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 (15 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 [4, 15, 21] edges [(19, 4), (20, 21), (3, 4), (15, 15), (13, 4), (11, 21), (7, 21), (18, 15), (9, 4), (12, 4), (1, 4), (17, 21), (4, 4), (16, 15), (22, 15), (2, 21), (0, 4), (5, 21), (23, 21), (6, 15), (14, 4), (8, 15), (21, 21), (10, 21)] current theta: 0.420923627632 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:55 2014 Optimize a model with 601 rows, 624 columns and 1776 nonzeros Presolve removed 366 rows and 381 columns Presolve time: 0.00s Presolved: 235 rows, 243 columns, 663 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 243 integer (243 binary) Root relaxation: cutoff, 15 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 (15 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 [4, 15, 21] edges [(19, 4), (20, 21), (3, 4), (15, 15), (13, 4), (11, 21), (7, 21), (18, 15), (9, 4), (12, 4), (1, 4), (17, 21), (4, 4), (16, 15), (22, 15), (2, 21), (0, 4), (5, 21), (23, 21), (6, 15), (14, 4), (8, 15), (21, 21), (10, 21)] current theta: 0.420855140221 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:55 2014 Optimize a model with 601 rows, 624 columns and 1776 nonzeros Presolve removed 366 rows and 381 columns Presolve time: 0.00s Presolved: 235 rows, 243 columns, 663 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 243 integer (243 binary) Root relaxation: cutoff, 15 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 (15 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 [4, 15, 21] edges [(19, 4), (20, 21), (3, 4), (15, 15), (13, 4), (11, 21), (7, 21), (18, 15), (9, 4), (12, 4), (1, 4), (17, 21), (4, 4), (16, 15), (22, 15), (2, 21), (0, 4), (5, 21), (23, 21), (6, 15), (14, 4), (8, 15), (21, 21), (10, 21)]