current theta: 0.607786450859 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:33 2012 Optimize a model with 871 rows, 899 columns and 2581 nonzeros Presolve removed 270 rows and 270 columns Presolve time: 0.01s Presolved: 601 rows, 629 columns, 1771 nonzeros Variable types: 0 continuous, 629 integer (629 binary) Root relaxation: objective 0.000000e+00, 178 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 (178 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, 16, 28] edges [(6, 14), (24, 28), (0, 28), (7, 16), (11, 28), (26, 28), (2, 28), (1, 16), (13, 16), (5, 16), (16, 28), (12, 28), (4, 16), (23, 28), (3, 28), (22, 16), (14, 28), (21, 14), (18, 28), (10, 16), (17, 16), (9, 28), (28, 16), (15, 14), (20, 16), (8, 28), (27, 16), (19, 16), (25, 28)] current theta: 0.303893225429 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:33 2012 Optimize a model with 871 rows, 899 columns and 2581 nonzeros Presolve removed 606 rows and 606 columns Presolve time: 0.00s Presolved: 265 rows, 293 columns, 763 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 293 integer (293 binary) Root relaxation: cutoff, 316 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 (316 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: 0.455839838144 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:33 2012 Optimize a model with 871 rows, 899 columns and 2581 nonzeros Presolve removed 428 rows and 428 columns Presolve time: 0.00s Presolved: 443 rows, 471 columns, 1297 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 471 integer (471 binary) Root relaxation: objective 0.000000e+00, 237 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 (237 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 [5, 17, 28] edges [(21, 28), (1, 28), (4, 5), (24, 28), (17, 17), (0, 28), (22, 17), (11, 28), (26, 28), (7, 28), (27, 5), (23, 5), (20, 17), (16, 17), (6, 5), (12, 28), (25, 5), (3, 28), (14, 28), (18, 28), (9, 28), (13, 17), (5, 5), (2, 17), (28, 28), (8, 28), (19, 28), (15, 28), (10, 28)] current theta: 0.379866531787 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:33 2012 Optimize a model with 871 rows, 899 columns and 2581 nonzeros Presolve removed 510 rows and 510 columns Presolve time: 0.00s Presolved: 361 rows, 389 columns, 1051 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 389 integer (389 binary) Root relaxation: cutoff, 346 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 (346 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: 0.417853184966 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:33 2012 Optimize a model with 871 rows, 899 columns and 2581 nonzeros Presolve removed 482 rows and 482 columns Presolve time: 0.00s Presolved: 389 rows, 417 columns, 1135 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 417 integer (417 binary) Root relaxation: cutoff, 341 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 (341 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: 0.436846511555 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:33 2012 Optimize a model with 871 rows, 899 columns and 2581 nonzeros Presolve removed 452 rows and 452 columns Presolve time: 0.00s Presolved: 419 rows, 447 columns, 1225 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 447 integer (447 binary) Root relaxation: objective 0.000000e+00, 280 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 (280 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, 19, 20] edges [(17, 20), (18, 19), (26, 12), (8, 12), (4, 12), (2, 12), (14, 19), (10, 19), (11, 19), (27, 20), (3, 19), (6, 12), (23, 12), (28, 19), (19, 19), (20, 20), (13, 19), (15, 12), (16, 12), (12, 12), (25, 12), (7, 19), (1, 12), (22, 20), (24, 19), (0, 12), (9, 12), (5, 12), (21, 19)] current theta: 0.42734984826 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:33 2012 Optimize a model with 871 rows, 899 columns and 2581 nonzeros Presolve removed 478 rows and 478 columns Presolve time: 0.00s Presolved: 393 rows, 421 columns, 1147 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 421 integer (421 binary) Root relaxation: cutoff, 309 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 (309 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: 0.432098179908 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:33 2012 Optimize a model with 871 rows, 899 columns and 2581 nonzeros Presolve removed 466 rows and 466 columns Presolve time: 0.00s Presolved: 405 rows, 433 columns, 1183 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 433 integer (433 binary) Root relaxation: cutoff, 295 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 (295 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: 0.434472345731 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:33 2012 Optimize a model with 871 rows, 899 columns and 2581 nonzeros Presolve removed 460 rows and 460 columns Presolve time: 0.00s Presolved: 411 rows, 439 columns, 1201 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 439 integer (439 binary) Root relaxation: objective 0.000000e+00, 340 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 (340 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, 3, 16] edges [(25, 3), (7, 16), (22, 2), (2, 16), (28, 3), (19, 3), (10, 3), (13, 16), (11, 3), (1, 3), (3, 3), (5, 2), (18, 16), (24, 3), (17, 16), (20, 2), (21, 3), (27, 2), (16, 16), (23, 3), (12, 2), (8, 3), (9, 2), (14, 3), (15, 3), (4, 2), (26, 16), (0, 3), (6, 3)] current theta: 0.433285262819 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:33 2012 Optimize a model with 871 rows, 899 columns and 2581 nonzeros Presolve removed 460 rows and 460 columns Presolve time: 0.00s Presolved: 411 rows, 439 columns, 1201 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 439 integer (439 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, 3, 16] edges [(25, 3), (7, 16), (22, 2), (2, 16), (28, 3), (19, 3), (10, 3), (13, 16), (11, 3), (1, 3), (3, 3), (5, 2), (18, 16), (24, 3), (17, 16), (20, 2), (21, 3), (27, 2), (16, 16), (23, 3), (12, 2), (8, 3), (9, 2), (14, 3), (15, 3), (4, 2), (26, 16), (0, 3), (6, 3)] current theta: 0.432691721363 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:33 2012 Optimize a model with 871 rows, 899 columns and 2581 nonzeros Presolve removed 464 rows and 464 columns Presolve time: 0.00s Presolved: 407 rows, 435 columns, 1189 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 435 integer (435 binary) Root relaxation: cutoff, 278 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 (278 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: 0.432988492091 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:33 2012 Optimize a model with 871 rows, 899 columns and 2581 nonzeros Presolve removed 464 rows and 464 columns Presolve time: 0.00s Presolved: 407 rows, 435 columns, 1189 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 435 integer (435 binary) Root relaxation: cutoff, 278 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 (278 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: 0.433136877455 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:33 2012 Optimize a model with 871 rows, 899 columns and 2581 nonzeros Presolve removed 464 rows and 464 columns Presolve time: 0.00s Presolved: 407 rows, 435 columns, 1189 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 435 integer (435 binary) Root relaxation: cutoff, 278 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 (278 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: 0.433211070137 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:51:33 2012 Optimize a model with 871 rows, 899 columns and 2581 nonzeros Presolve removed 460 rows and 460 columns Presolve time: 0.00s Presolved: 411 rows, 439 columns, 1201 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 439 integer (439 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, 3, 16] edges [(25, 3), (7, 16), (22, 2), (2, 16), (28, 3), (19, 3), (10, 3), (13, 16), (11, 3), (1, 3), (3, 3), (5, 2), (18, 16), (24, 3), (17, 16), (20, 2), (21, 3), (27, 2), (16, 16), (23, 3), (12, 2), (8, 3), (9, 2), (14, 3), (15, 3), (4, 2), (26, 16), (0, 3), (6, 3)]