current theta: 0.609960525578 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:24 2012 Optimize a model with 813 rows, 840 columns and 2408 nonzeros Presolve removed 238 rows and 238 columns Presolve time: 0.01s Presolved: 575 rows, 602 columns, 1694 nonzeros Variable types: 0 continuous, 602 integer (602 binary) Root relaxation: objective 0.000000e+00, 258 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 (447 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 [11, 15, 17] edges [(25, 15), (21, 15), (11, 15), (1, 15), (7, 15), (4, 17), (17, 17), (22, 17), (18, 17), (9, 15), (15, 15), (27, 17), (6, 11), (3, 15), (20, 17), (16, 17), (26, 15), (12, 15), (2, 15), (5, 11), (24, 15), (10, 15), (0, 15), (13, 17), (8, 15), (14, 15), (19, 11), (23, 15)] current theta: 0.304980262789 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:24 2012 Optimize a model with 813 rows, 840 columns and 2408 nonzeros Presolve removed 580 rows and 580 columns Presolve time: 0.00s Presolved: 233 rows, 260 columns, 668 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 260 integer (260 binary) Root relaxation: cutoff, 213 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 (213 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: 0.457470394184 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:24 2012 Optimize a model with 813 rows, 840 columns and 2408 nonzeros Presolve removed 396 rows and 396 columns Presolve time: 0.00s Presolved: 417 rows, 444 columns, 1220 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 444 integer (444 binary) Root relaxation: objective 0.000000e+00, 245 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 (245 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 [12, 17, 24] edges [(26, 12), (4, 12), (17, 17), (22, 17), (10, 12), (27, 12), (23, 12), (14, 12), (20, 17), (11, 12), (7, 12), (8, 24), (19, 12), (15, 12), (6, 24), (1, 24), (16, 12), (25, 12), (13, 17), (21, 12), (24, 24), (2, 17), (3, 12), (12, 24), (18, 12), (0, 12), (9, 12), (5, 12)] current theta: 0.381225328486 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:24 2012 Optimize a model with 813 rows, 840 columns and 2408 nonzeros Presolve removed 496 rows and 496 columns Presolve time: 0.00s Presolved: 317 rows, 344 columns, 920 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 344 integer (344 binary) Root relaxation: cutoff, 270 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 (270 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - current theta: 0.419347861335 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:24 2012 Optimize a model with 813 rows, 840 columns and 2408 nonzeros Presolve removed 446 rows and 446 columns Presolve time: 0.00s Presolved: 367 rows, 394 columns, 1070 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 394 integer (394 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 0.01 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 [14, 17, 26] edges [(23, 26), (24, 14), (4, 17), (17, 17), (10, 26), (21, 26), (22, 17), (18, 17), (8, 14), (14, 14), (9, 26), (27, 17), (16, 26), (20, 17), (26, 26), (3, 26), (6, 26), (25, 14), (11, 14), (1, 14), (7, 26), (13, 17), (19, 14), (15, 14), (2, 17), (5, 26), (0, 26), (12, 26)] current theta: 0.400286594911 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:24 2012 Optimize a model with 813 rows, 840 columns and 2408 nonzeros Presolve removed 466 rows and 466 columns Presolve time: 0.00s Presolved: 347 rows, 374 columns, 1010 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 374 integer (374 binary) Root relaxation: objective 0.000000e+00, 193 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 (193 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 [2, 14, 26] edges [(23, 26), (24, 14), (10, 26), (21, 26), (8, 14), (22, 2), (14, 14), (16, 26), (13, 2), (26, 26), (3, 26), (6, 26), (25, 14), (11, 14), (1, 14), (18, 2), (7, 26), (20, 2), (27, 2), (19, 14), (17, 2), (15, 14), (12, 2), (2, 2), (9, 2), (5, 26), (4, 2), (0, 26)] current theta: 0.390755961699 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:24 2012 Optimize a model with 813 rows, 840 columns and 2408 nonzeros Presolve removed 480 rows and 480 columns Presolve time: 0.00s Presolved: 333 rows, 360 columns, 968 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 360 integer (360 binary) Root relaxation: cutoff, 324 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 (324 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - current theta: 0.395521278305 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:24 2012 Optimize a model with 813 rows, 840 columns and 2408 nonzeros Presolve removed 468 rows and 468 columns Presolve time: 0.00s Presolved: 345 rows, 372 columns, 1004 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 372 integer (372 binary) Root relaxation: cutoff, 299 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 (299 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - current theta: 0.397903936608 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:24 2012 Optimize a model with 813 rows, 840 columns and 2408 nonzeros Presolve removed 468 rows and 468 columns Presolve time: 0.00s Presolved: 345 rows, 372 columns, 1004 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 372 integer (372 binary) Root relaxation: cutoff, 299 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 (299 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - current theta: 0.399095265759 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:24 2012 Optimize a model with 813 rows, 840 columns and 2408 nonzeros Presolve removed 468 rows and 468 columns Presolve time: 0.00s Presolved: 345 rows, 372 columns, 1004 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 372 integer (372 binary) Root relaxation: cutoff, 299 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 (299 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - current theta: 0.399690930335 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:24 2012 Optimize a model with 813 rows, 840 columns and 2408 nonzeros Presolve removed 466 rows and 466 columns Presolve time: 0.00s Presolved: 347 rows, 374 columns, 1010 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 374 integer (374 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 [2, 14, 26] edges [(23, 26), (24, 14), (10, 26), (21, 26), (8, 14), (22, 2), (14, 14), (16, 26), (13, 2), (26, 26), (3, 26), (6, 26), (25, 14), (11, 14), (1, 14), (18, 2), (7, 26), (20, 2), (27, 2), (19, 14), (17, 2), (15, 14), (12, 2), (2, 2), (9, 2), (5, 26), (4, 2), (0, 26)] current theta: 0.399393098047 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:24 2012 Optimize a model with 813 rows, 840 columns and 2408 nonzeros Presolve removed 468 rows and 468 columns Presolve time: 0.00s Presolved: 345 rows, 372 columns, 1004 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 372 integer (372 binary) Root relaxation: cutoff, 299 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 (299 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - current theta: 0.399542014191 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:24 2012 Optimize a model with 813 rows, 840 columns and 2408 nonzeros Presolve removed 466 rows and 466 columns Presolve time: 0.00s Presolved: 347 rows, 374 columns, 1010 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 374 integer (374 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 [2, 14, 26] edges [(23, 26), (24, 14), (10, 26), (21, 26), (8, 14), (22, 2), (14, 14), (16, 26), (13, 2), (26, 26), (3, 26), (6, 26), (25, 14), (11, 14), (1, 14), (18, 2), (7, 26), (20, 2), (27, 2), (19, 14), (17, 2), (15, 14), (12, 2), (2, 2), (9, 2), (5, 26), (4, 2), (0, 26)] current theta: 0.399467556119 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:24 2012 Optimize a model with 813 rows, 840 columns and 2408 nonzeros Presolve removed 466 rows and 466 columns Presolve time: 0.00s Presolved: 347 rows, 374 columns, 1010 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 374 integer (374 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 [2, 14, 26] edges [(23, 26), (24, 14), (10, 26), (21, 26), (8, 14), (22, 2), (14, 14), (16, 26), (13, 2), (26, 26), (3, 26), (6, 26), (25, 14), (11, 14), (1, 14), (18, 2), (7, 26), (20, 2), (27, 2), (19, 14), (17, 2), (15, 14), (12, 2), (2, 2), (9, 2), (5, 26), (4, 2), (0, 26)]