current theta: 0.644510963646 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:16 2014 Optimize a model with 813 rows, 840 columns and 2408 nonzeros Presolve removed 214 rows and 214 columns Presolve time: 0.01s Presolved: 599 rows, 626 columns, 1766 nonzeros Variable types: 0 continuous, 626 integer (626 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 (389 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 [17, 25, 27] edges [(12, 17), (8, 25), (25, 25), (6, 27), (17, 17), (1, 25), (22, 17), (18, 17), (14, 17), (27, 17), (23, 25), (19, 17), (24, 25), (20, 17), (5, 25), (26, 17), (0, 27), (7, 17), (9, 27), (3, 25), (10, 27), (21, 25), (15, 27), (2, 17), (4, 27), (16, 27), (11, 17), (13, 27)] current theta: 0.322255481823 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:16 2014 Optimize a model with 813 rows, 840 columns and 2408 nonzeros Presolve removed 562 rows and 580 columns Presolve time: 0.00s Presolved: 251 rows, 260 columns, 704 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 260 integer (260 binary) Root relaxation: cutoff, 209 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 (209 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: 0.483383222735 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:16 2014 Optimize a model with 813 rows, 840 columns and 2408 nonzeros Presolve removed 412 rows and 419 columns Presolve time: 0.00s Presolved: 401 rows, 421 columns, 1165 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 421 integer (421 binary) Root relaxation: cutoff, 239 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 (239 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.56394709319 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:16 2014 Optimize a model with 813 rows, 840 columns and 2408 nonzeros Presolve removed 304 rows and 305 columns Presolve time: 0.01s Presolved: 509 rows, 535 columns, 1495 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 535 integer (535 binary) Root relaxation: objective 0.000000e+00, 346 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 (556 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 [18, 20, 25] edges [(2, 18), (19, 18), (8, 25), (25, 25), (12, 20), (27, 20), (6, 18), (23, 20), (1, 18), (13, 18), (24, 18), (22, 18), (18, 18), (5, 25), (14, 18), (10, 18), (17, 18), (0, 18), (9, 18), (4, 18), (15, 18), (11, 18), (21, 25), (26, 18), (7, 20), (3, 20), (20, 18), (16, 18)] current theta: 0.523665157963 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:16 2014 Optimize a model with 813 rows, 840 columns and 2408 nonzeros Presolve removed 356 rows and 360 columns Presolve time: 0.00s Presolved: 457 rows, 480 columns, 1336 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 480 integer (480 binary) Root relaxation: objective 0.000000e+00, 239 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 (416 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 [13, 16, 25] edges [(15, 13), (8, 25), (25, 25), (2, 25), (7, 16), (16, 13), (1, 16), (13, 16), (9, 13), (24, 25), (0, 25), (12, 16), (5, 25), (23, 16), (4, 16), (11, 16), (22, 16), (18, 16), (3, 16), (14, 16), (10, 16), (17, 16), (21, 25), (6, 13), (20, 16), (27, 16), (19, 16), (26, 16)] current theta: 0.503524190349 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:16 2014 Optimize a model with 813 rows, 840 columns and 2408 nonzeros Presolve removed 386 rows and 391 columns Presolve time: 0.00s Presolved: 427 rows, 449 columns, 1245 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 449 integer (449 binary) Root relaxation: objective 0.000000e+00, 268 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 (268 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 [2, 4, 16] edges [(24, 16), (16, 2), (7, 16), (20, 4), (8, 2), (14, 2), (21, 2), (9, 4), (1, 16), (6, 2), (13, 2), (0, 16), (12, 16), (23, 16), (15, 2), (5, 2), (11, 16), (26, 2), (18, 16), (10, 4), (3, 16), (22, 4), (25, 2), (2, 4), (17, 16), (27, 16), (19, 2), (4, 2)] current theta: 0.493453706542 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:16 2014 Optimize a model with 813 rows, 840 columns and 2408 nonzeros Presolve removed 398 rows and 404 columns Presolve time: 0.00s Presolved: 415 rows, 436 columns, 1208 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 436 integer (436 binary) Root relaxation: objective 0.000000e+00, 322 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 (322 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, 5, 14] edges [(24, 14), (15, 4), (0, 14), (11, 4), (8, 14), (14, 14), (4, 14), (17, 4), (13, 4), (2, 5), (20, 4), (9, 4), (1, 4), (26, 4), (6, 5), (27, 14), (23, 14), (25, 5), (21, 5), (10, 4), (7, 14), (22, 4), (18, 14), (5, 5), (19, 14), (16, 14), (12, 14), (3, 14)] current theta: 0.488418464638 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:16 2014 Optimize a model with 813 rows, 840 columns and 2408 nonzeros Presolve removed 408 rows and 414 columns Presolve time: 0.00s Presolved: 405 rows, 426 columns, 1178 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 426 integer (426 binary) Root relaxation: cutoff, 343 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 (343 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.49093608559 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:16 2014 Optimize a model with 813 rows, 840 columns and 2408 nonzeros Presolve removed 404 rows and 410 columns Presolve time: 0.00s Presolved: 409 rows, 430 columns, 1190 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 430 integer (430 binary) Root relaxation: cutoff, 301 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 (301 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.492194896066 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:16 2014 Optimize a model with 813 rows, 840 columns and 2408 nonzeros Presolve removed 402 rows and 408 columns Presolve time: 0.00s Presolved: 411 rows, 432 columns, 1196 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 432 integer (432 binary) Root relaxation: objective 0.000000e+00, 250 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 (250 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, 5, 26] edges [(23, 26), (8, 5), (15, 4), (11, 4), (0, 5), (14, 26), (17, 4), (13, 4), (2, 5), (9, 4), (16, 4), (26, 26), (3, 26), (6, 5), (4, 4), (1, 26), (25, 5), (20, 26), (21, 5), (10, 4), (19, 26), (7, 26), (5, 5), (22, 26), (18, 26), (24, 5), (27, 4), (12, 26)] current theta: 0.491565490828 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:16 2014 Optimize a model with 813 rows, 840 columns and 2408 nonzeros Presolve removed 404 rows and 410 columns Presolve time: 0.00s Presolved: 409 rows, 430 columns, 1190 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 430 integer (430 binary) Root relaxation: cutoff, 301 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 (301 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.491880193447 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:16 2014 Optimize a model with 813 rows, 840 columns and 2408 nonzeros Presolve removed 402 rows and 408 columns Presolve time: 0.00s Presolved: 411 rows, 432 columns, 1196 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 432 integer (432 binary) Root relaxation: cutoff, 6 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 (6 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, 5, 26] edges [(23, 26), (8, 5), (15, 4), (11, 4), (0, 5), (14, 26), (17, 4), (13, 4), (2, 5), (9, 4), (16, 4), (26, 26), (3, 26), (6, 5), (4, 4), (1, 26), (25, 5), (20, 26), (21, 5), (10, 4), (19, 26), (7, 26), (5, 5), (22, 26), (18, 26), (24, 5), (27, 4), (12, 26)] current theta: 0.491722842137 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:16 2014 Optimize a model with 813 rows, 840 columns and 2408 nonzeros Presolve removed 402 rows and 408 columns Presolve time: 0.00s Presolved: 411 rows, 432 columns, 1196 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 432 integer (432 binary) Root relaxation: cutoff, 6 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 (6 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, 5, 26] edges [(23, 26), (8, 5), (15, 4), (11, 4), (0, 5), (14, 26), (17, 4), (13, 4), (2, 5), (9, 4), (16, 4), (26, 26), (3, 26), (6, 5), (4, 4), (1, 26), (25, 5), (20, 26), (21, 5), (10, 4), (19, 26), (7, 26), (5, 5), (22, 26), (18, 26), (24, 5), (27, 4), (12, 26)] current theta: 0.491644166483 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:16 2014 Optimize a model with 813 rows, 840 columns and 2408 nonzeros Presolve removed 402 rows and 408 columns Presolve time: 0.00s Presolved: 411 rows, 432 columns, 1196 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 432 integer (432 binary) Root relaxation: cutoff, 6 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 (6 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, 5, 26] edges [(23, 26), (8, 5), (15, 4), (11, 4), (0, 5), (14, 26), (17, 4), (13, 4), (2, 5), (9, 4), (16, 4), (26, 26), (3, 26), (6, 5), (4, 4), (1, 26), (25, 5), (20, 26), (21, 5), (10, 4), (19, 26), (7, 26), (5, 5), (22, 26), (18, 26), (24, 5), (27, 4), (12, 26)]