current theta: 0.579244218182 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:05 2012 Optimize a model with 1057 rows, 1088 columns and 3136 nonzeros Presolve removed 414 rows and 414 columns Presolve time: 0.01s Presolved: 643 rows, 674 columns, 1894 nonzeros Variable types: 0 continuous, 674 integer (674 binary) Root relaxation: objective 0.000000e+00, 264 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 0.0% - 0s Explored 0 nodes (500 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 [20, 22, 23, 31] edges [(11, 22), (13, 20), (5, 20), (16, 20), (23, 31), (27, 20), (28, 23), (8, 20), (10, 22), (21, 22), (25, 31), (18, 20), (29, 20), (30, 31), (19, 22), (15, 31), (1, 22), (26, 22), (3, 23), (4, 31), (6, 20), (20, 22), (22, 31), (31, 22), (24, 31), (14, 22), (17, 22), (7, 31), (12, 23), (0, 22), (2, 20), (9, 22)] current theta: 0.289622109091 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:05 2012 Optimize a model with 1057 rows, 1088 columns and 3136 nonzeros Presolve removed 818 rows and 818 columns Presolve time: 0.00s Presolved: 239 rows, 270 columns, 682 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 270 integer (270 binary) Root relaxation: cutoff, 269 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 (269 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - current theta: 0.434433163636 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:05 2012 Optimize a model with 1057 rows, 1088 columns and 3136 nonzeros Presolve removed 624 rows and 624 columns Presolve time: 0.00s Presolved: 433 rows, 464 columns, 1264 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 464 integer (464 binary) Root relaxation: objective 0.000000e+00, 278 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 0.0% - 0s Explored 0 nodes (520 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, 14, 18, 29] edges [(8, 18), (0, 14), (6, 14), (15, 10), (29, 29), (5, 29), (13, 18), (14, 14), (10, 10), (22, 18), (18, 18), (23, 14), (4, 10), (21, 18), (17, 18), (1, 14), (24, 29), (11, 29), (30, 10), (28, 14), (19, 14), (9, 14), (2, 29), (26, 14), (12, 14), (25, 18), (31, 10), (3, 14), (7, 10), (20, 18), (16, 18), (27, 18)] current theta: 0.362027636363 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:05 2012 Optimize a model with 1057 rows, 1088 columns and 3136 nonzeros Presolve removed 724 rows and 724 columns Presolve time: 0.00s Presolved: 333 rows, 364 columns, 964 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 364 integer (364 binary) Root relaxation: objective 0.000000e+00, 234 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 0.0% - 0s Explored 0 nodes (234 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, 13, 15, 26] edges [(23, 26), (31, 15), (17, 13), (13, 13), (24, 2), (14, 26), (21, 13), (15, 15), (29, 2), (28, 26), (16, 13), (9, 13), (0, 2), (5, 13), (26, 26), (3, 26), (20, 13), (18, 13), (6, 26), (1, 26), (7, 2), (30, 15), (8, 13), (10, 15), (2, 13), (25, 2), (19, 26), (27, 13), (4, 15), (22, 26), (11, 2), (12, 26)] current theta: 0.325824872727 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:05 2012 Optimize a model with 1057 rows, 1088 columns and 3136 nonzeros Presolve removed 772 rows and 772 columns Presolve time: 0.00s Presolved: 285 rows, 316 columns, 820 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 316 integer (316 binary) Root relaxation: cutoff, 266 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 (266 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - current theta: 0.343926254545 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:05 2012 Optimize a model with 1057 rows, 1088 columns and 3136 nonzeros Presolve removed 748 rows and 748 columns Presolve time: 0.00s Presolved: 309 rows, 340 columns, 892 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 340 integer (340 binary) Root relaxation: objective 0.000000e+00, 208 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 0.0% - 0s Explored 0 nodes (208 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 [13, 14, 15, 16] edges [(31, 15), (1, 15), (6, 14), (24, 16), (25, 13), (7, 16), (21, 13), (14, 14), (15, 15), (2, 16), (13, 16), (5, 16), (0, 16), (20, 13), (23, 14), (11, 16), (22, 16), (18, 16), (29, 16), (30, 15), (8, 13), (10, 15), (17, 16), (27, 13), (28, 14), (19, 14), (9, 14), (4, 15), (16, 16), (26, 14), (12, 14), (3, 14)] current theta: 0.334875563636 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:05 2012 Optimize a model with 1057 rows, 1088 columns and 3136 nonzeros Presolve removed 756 rows and 756 columns Presolve time: 0.00s Presolved: 301 rows, 332 columns, 868 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 332 integer (332 binary) Root relaxation: objective 0.000000e+00, 247 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 0.0% - 0s Explored 0 nodes (247 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 [12, 13, 15, 16] edges [(26, 12), (31, 15), (1, 15), (24, 16), (25, 13), (7, 16), (21, 13), (15, 15), (2, 16), (6, 12), (16, 13), (23, 12), (13, 16), (14, 12), (5, 16), (0, 16), (20, 13), (11, 16), (28, 12), (22, 16), (18, 16), (29, 16), (30, 15), (19, 12), (8, 13), (10, 15), (17, 16), (27, 13), (12, 12), (3, 12), (4, 15), (9, 12)] current theta: 0.330350218182 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:05 2012 Optimize a model with 1057 rows, 1088 columns and 3136 nonzeros Presolve removed 762 rows and 762 columns Presolve time: 0.00s Presolved: 295 rows, 326 columns, 850 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 326 integer (326 binary) Root relaxation: objective 0.000000e+00, 251 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 0.0% - 0s Explored 0 nodes (251 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 [15, 16, 21, 26] edges [(23, 26), (31, 15), (25, 16), (1, 15), (20, 21), (14, 26), (24, 16), (6, 21), (7, 16), (15, 15), (2, 16), (9, 26), (28, 26), (13, 16), (26, 26), (3, 26), (5, 16), (0, 16), (11, 16), (27, 21), (22, 16), (18, 16), (29, 16), (30, 15), (10, 15), (19, 26), (17, 16), (8, 21), (4, 15), (16, 16), (21, 21), (12, 26)] current theta: 0.328087545454 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:05 2012 Optimize a model with 1057 rows, 1088 columns and 3136 nonzeros Presolve removed 764 rows and 764 columns Presolve time: 0.00s Presolved: 293 rows, 324 columns, 844 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 324 integer (324 binary) Root relaxation: cutoff, 267 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 (267 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - current theta: 0.329218881818 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:05 2012 Optimize a model with 1057 rows, 1088 columns and 3136 nonzeros Presolve removed 762 rows and 762 columns Presolve time: 0.00s Presolved: 295 rows, 326 columns, 850 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 326 integer (326 binary) Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 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 [15, 16, 21, 26] edges [(23, 26), (31, 15), (25, 16), (1, 15), (20, 21), (14, 26), (24, 16), (6, 21), (7, 16), (15, 15), (2, 16), (9, 26), (28, 26), (13, 16), (26, 26), (3, 26), (5, 16), (0, 16), (11, 16), (27, 21), (22, 16), (18, 16), (29, 16), (30, 15), (10, 15), (19, 26), (17, 16), (8, 21), (4, 15), (16, 16), (21, 21), (12, 26)] current theta: 0.328653213636 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:05 2012 Optimize a model with 1057 rows, 1088 columns and 3136 nonzeros Presolve removed 764 rows and 764 columns Presolve time: 0.00s Presolved: 293 rows, 324 columns, 844 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 324 integer (324 binary) Root relaxation: cutoff, 267 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 (267 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - current theta: 0.328936047727 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:05 2012 Optimize a model with 1057 rows, 1088 columns and 3136 nonzeros Presolve removed 762 rows and 762 columns Presolve time: 0.00s Presolved: 295 rows, 326 columns, 850 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 326 integer (326 binary) Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 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 [15, 16, 21, 26] edges [(23, 26), (31, 15), (25, 16), (1, 15), (20, 21), (14, 26), (24, 16), (6, 21), (7, 16), (15, 15), (2, 16), (9, 26), (28, 26), (13, 16), (26, 26), (3, 26), (5, 16), (0, 16), (11, 16), (27, 21), (22, 16), (18, 16), (29, 16), (30, 15), (10, 15), (19, 26), (17, 16), (8, 21), (4, 15), (16, 16), (21, 21), (12, 26)] current theta: 0.328794630682 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:05 2012 Optimize a model with 1057 rows, 1088 columns and 3136 nonzeros Presolve removed 762 rows and 762 columns Presolve time: 0.00s Presolved: 295 rows, 326 columns, 850 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 326 integer (326 binary) Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 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 [15, 16, 21, 26] edges [(23, 26), (31, 15), (25, 16), (1, 15), (20, 21), (14, 26), (24, 16), (6, 21), (7, 16), (15, 15), (2, 16), (9, 26), (28, 26), (13, 16), (26, 26), (3, 26), (5, 16), (0, 16), (11, 16), (27, 21), (22, 16), (18, 16), (29, 16), (30, 15), (10, 15), (19, 26), (17, 16), (8, 21), (4, 15), (16, 16), (21, 21), (12, 26)] current theta: 0.328723922159 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:05 2012 Optimize a model with 1057 rows, 1088 columns and 3136 nonzeros Presolve removed 762 rows and 762 columns Presolve time: 0.00s Presolved: 295 rows, 326 columns, 850 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 326 integer (326 binary) Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 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 [15, 16, 21, 26] edges [(23, 26), (31, 15), (25, 16), (1, 15), (20, 21), (14, 26), (24, 16), (6, 21), (7, 16), (15, 15), (2, 16), (9, 26), (28, 26), (13, 16), (26, 26), (3, 26), (5, 16), (0, 16), (11, 16), (27, 21), (22, 16), (18, 16), (29, 16), (30, 15), (10, 15), (19, 26), (17, 16), (8, 21), (4, 15), (16, 16), (21, 21), (12, 26)]