current theta: 0.685123595271 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:46 2014 Optimize a model with 1057 rows, 1088 columns and 3136 nonzeros Presolve removed 392 rows and 392 columns Presolve time: 0.01s Presolved: 665 rows, 696 columns, 1960 nonzeros Variable types: 0 continuous, 696 integer (696 binary) Root relaxation: objective 0.000000e+00, 272 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 (540 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 [6, 16, 30, 31] edges [(5, 31), (14, 31), (25, 16), (22, 30), (3, 31), (26, 6), (1, 31), (13, 16), (18, 6), (10, 31), (19, 31), (15, 31), (12, 16), (23, 16), (28, 31), (8, 31), (11, 16), (17, 31), (27, 30), (6, 6), (21, 16), (2, 31), (30, 30), (31, 31), (16, 16), (24, 31), (20, 31), (7, 31), (0, 31), (29, 31), (9, 31), (4, 30)] current theta: 0.342561797635 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:46 2014 Optimize a model with 1057 rows, 1088 columns and 3136 nonzeros Presolve removed 788 rows and 815 columns Presolve time: 0.00s Presolved: 269 rows, 273 columns, 745 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 273 integer (273 binary) Root relaxation: objective 0.000000e+00, 233 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 (233 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, 6, 13, 20] edges [(19, 4), (21, 6), (13, 13), (17, 6), (23, 6), (5, 20), (25, 13), (8, 20), (15, 20), (26, 6), (16, 13), (9, 4), (12, 13), (28, 6), (4, 4), (18, 13), (24, 20), (20, 20), (0, 4), (30, 4), (10, 4), (31, 20), (1, 20), (22, 4), (6, 6), (14, 4), (7, 20), (11, 13), (2, 20), (27, 4), (29, 6), (3, 20)] current theta: 0.171280898818 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:46 2014 Optimize a model with 1057 rows, 1088 columns and 3136 nonzeros Presolve removed 952 rows and 983 columns Presolve time: 0.00s Presolved: 105 rows, 105 columns, 261 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 105 integer (104 binary) Root relaxation: cutoff, 38 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 (38 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: 0.256921348226 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:46 2014 Optimize a model with 1057 rows, 1088 columns and 3136 nonzeros Presolve removed 870 rows and 901 columns Presolve time: 0.00s Presolved: 187 rows, 187 columns, 497 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 187 integer (187 binary) Root relaxation: cutoff, 199 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 (199 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: 0.299741572931 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:46 2014 Optimize a model with 1057 rows, 1088 columns and 3136 nonzeros Presolve removed 822 rows and 853 columns Presolve time: 0.00s Presolved: 235 rows, 235 columns, 639 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 235 integer (235 binary) Root relaxation: cutoff, 241 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 (241 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: 0.321151685283 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:46 2014 Optimize a model with 1057 rows, 1088 columns and 3136 nonzeros Presolve removed 798 rows and 826 columns Presolve time: 0.00s Presolved: 259 rows, 262 columns, 714 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 262 integer (262 binary) Root relaxation: objective 0.000000e+00, 236 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 (236 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, 11, 20, 29] edges [(19, 4), (29, 29), (5, 20), (16, 11), (23, 11), (8, 20), (13, 11), (15, 20), (9, 4), (21, 11), (12, 4), (28, 29), (4, 4), (24, 20), (20, 20), (0, 4), (30, 4), (6, 29), (10, 4), (31, 20), (18, 11), (1, 20), (22, 4), (7, 29), (25, 11), (11, 11), (14, 4), (17, 29), (26, 29), (2, 20), (27, 4), (3, 20)] current theta: 0.310446629107 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:46 2014 Optimize a model with 1057 rows, 1088 columns and 3136 nonzeros Presolve removed 810 rows and 840 columns Presolve time: 0.00s Presolved: 247 rows, 248 columns, 676 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 248 integer (248 binary) Root relaxation: cutoff, 229 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 (229 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: 0.315799157195 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:46 2014 Optimize a model with 1057 rows, 1088 columns and 3136 nonzeros Presolve removed 808 rows and 837 columns Presolve time: 0.00s Presolved: 249 rows, 251 columns, 683 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 251 integer (251 binary) Root relaxation: cutoff, 240 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 (240 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: 0.318475421239 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:46 2014 Optimize a model with 1057 rows, 1088 columns and 3136 nonzeros Presolve removed 802 rows and 830 columns Presolve time: 0.00s Presolved: 255 rows, 258 columns, 702 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 258 integer (258 binary) Root relaxation: cutoff, 29 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 (29 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, 11, 20, 29] edges [(19, 4), (29, 29), (5, 20), (16, 11), (23, 11), (8, 20), (13, 11), (15, 20), (9, 4), (21, 11), (12, 4), (28, 29), (4, 4), (24, 20), (20, 20), (0, 4), (30, 4), (6, 29), (10, 4), (31, 20), (18, 11), (1, 20), (22, 4), (7, 29), (25, 11), (11, 11), (14, 4), (17, 29), (26, 29), (2, 20), (27, 4), (3, 20)] current theta: 0.317137289217 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:46 2014 Optimize a model with 1057 rows, 1088 columns and 3136 nonzeros Presolve removed 806 rows and 835 columns Presolve time: 0.00s Presolved: 251 rows, 253 columns, 689 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 253 integer (253 binary) Root relaxation: cutoff, 229 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 (229 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: 0.317806355228 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:46 2014 Optimize a model with 1057 rows, 1088 columns and 3136 nonzeros Presolve removed 804 rows and 832 columns Presolve time: 0.00s Presolved: 253 rows, 256 columns, 696 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 256 integer (256 binary) Root relaxation: cutoff, 226 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 (226 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: 0.318140888234 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:46 2014 Optimize a model with 1057 rows, 1088 columns and 3136 nonzeros Presolve removed 804 rows and 832 columns Presolve time: 0.00s Presolved: 253 rows, 256 columns, 696 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 256 integer (256 binary) Root relaxation: cutoff, 226 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 (226 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: 0.318308154736 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:46 2014 Optimize a model with 1057 rows, 1088 columns and 3136 nonzeros Presolve removed 802 rows and 830 columns Presolve time: 0.00s Presolved: 255 rows, 258 columns, 702 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 258 integer (258 binary) Root relaxation: cutoff, 29 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 (29 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, 11, 20, 29] edges [(19, 4), (29, 29), (5, 20), (16, 11), (23, 11), (8, 20), (13, 11), (15, 20), (9, 4), (21, 11), (12, 4), (28, 29), (4, 4), (24, 20), (20, 20), (0, 4), (30, 4), (6, 29), (10, 4), (31, 20), (18, 11), (1, 20), (22, 4), (7, 29), (25, 11), (11, 11), (14, 4), (17, 29), (26, 29), (2, 20), (27, 4), (3, 20)] current theta: 0.318224521485 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:27:46 2014 Optimize a model with 1057 rows, 1088 columns and 3136 nonzeros Presolve removed 802 rows and 830 columns Presolve time: 0.00s Presolved: 255 rows, 258 columns, 702 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 258 integer (258 binary) Root relaxation: cutoff, 29 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 (29 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, 11, 20, 29] edges [(19, 4), (29, 29), (5, 20), (16, 11), (23, 11), (8, 20), (13, 11), (15, 20), (9, 4), (21, 11), (12, 4), (28, 29), (4, 4), (24, 20), (20, 20), (0, 4), (30, 4), (6, 29), (10, 4), (31, 20), (18, 11), (1, 20), (22, 4), (7, 29), (25, 11), (11, 11), (14, 4), (17, 29), (26, 29), (2, 20), (27, 4), (3, 20)]