current theta: 0.605470112992 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:34 2012 Optimize a model with 1191 rows, 1224 columns and 3536 nonzeros Presolve removed 330 rows and 330 columns Presolve time: 0.01s Presolved: 861 rows, 894 columns, 2546 nonzeros Variable types: 0 continuous, 894 integer (894 binary) Root relaxation: objective 0.000000e+00, 341 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 (608 simplex iterations) in 0.02 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 [9, 17, 19, 21] edges [(31, 21), (24, 21), (10, 9), (17, 17), (22, 17), (6, 21), (26, 21), (27, 17), (11, 21), (7, 21), (0, 21), (13, 9), (3, 21), (20, 17), (9, 21), (5, 21), (16, 19), (33, 9), (14, 21), (23, 21), (30, 17), (8, 19), (19, 21), (15, 21), (12, 21), (29, 21), (25, 21), (4, 21), (21, 21), (32, 19), (18, 21), (1, 9), (2, 9), (28, 21)] current theta: 0.302735056496 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:34 2012 Optimize a model with 1191 rows, 1224 columns and 3536 nonzeros Presolve removed 828 rows and 828 columns Presolve time: 0.00s Presolved: 363 rows, 396 columns, 1052 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 396 integer (396 binary) Root relaxation: objective 0.000000e+00, 269 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 (269 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 [15, 27, 28, 32] edges [(13, 32), (31, 15), (21, 15), (1, 15), (7, 15), (24, 28), (20, 27), (15, 15), (11, 28), (26, 28), (17, 27), (29, 32), (3, 15), (16, 32), (22, 27), (18, 27), (30, 32), (12, 28), (2, 32), (23, 28), (14, 28), (10, 15), (0, 15), (6, 15), (33, 28), (5, 28), (27, 27), (28, 28), (32, 32), (9, 32), (8, 28), (4, 27), (19, 32), (25, 28)] current theta: 0.151367528248 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:34 2012 Optimize a model with 1191 rows, 1224 columns and 3536 nonzeros Presolve removed 1062 rows and 1067 columns Presolve time: 0.00s Presolved: 129 rows, 157 columns, 357 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 157 integer (156 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) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - current theta: 0.227051292372 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:34 2012 Optimize a model with 1191 rows, 1224 columns and 3536 nonzeros Presolve removed 960 rows and 960 columns Presolve time: 0.00s Presolved: 231 rows, 264 columns, 658 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 264 integer (264 binary) Root relaxation: cutoff, 252 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 (252 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: 0.264893174434 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:34 2012 Optimize a model with 1191 rows, 1224 columns and 3536 nonzeros Presolve removed 904 rows and 904 columns Presolve time: 0.00s Presolved: 287 rows, 320 columns, 824 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 320 integer (320 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 0.00 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - current theta: 0.283814115465 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:34 2012 Optimize a model with 1191 rows, 1224 columns and 3536 nonzeros Presolve removed 868 rows and 868 columns Presolve time: 0.00s Presolved: 323 rows, 356 columns, 932 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 356 integer (356 binary) Root relaxation: cutoff, 329 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 (329 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: 0.293274585981 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:34 2012 Optimize a model with 1191 rows, 1224 columns and 3536 nonzeros Presolve removed 854 rows and 854 columns Presolve time: 0.00s Presolved: 337 rows, 370 columns, 974 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 370 integer (370 binary) Root relaxation: cutoff, 279 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 (279 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: 0.298004821238 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:34 2012 Optimize a model with 1191 rows, 1224 columns and 3536 nonzeros Presolve removed 846 rows and 846 columns Presolve time: 0.00s Presolved: 345 rows, 378 columns, 998 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 378 integer (378 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, 27, 28, 32] edges [(13, 32), (31, 15), (21, 15), (1, 15), (7, 15), (24, 28), (20, 27), (15, 15), (11, 28), (26, 28), (17, 27), (29, 32), (3, 15), (16, 32), (22, 27), (18, 27), (30, 32), (12, 28), (2, 32), (23, 28), (14, 28), (10, 15), (0, 15), (6, 15), (33, 28), (5, 28), (27, 27), (28, 28), (32, 32), (9, 32), (8, 28), (4, 27), (19, 32), (25, 28)] current theta: 0.295639703609 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:34 2012 Optimize a model with 1191 rows, 1224 columns and 3536 nonzeros Presolve removed 850 rows and 850 columns Presolve time: 0.00s Presolved: 341 rows, 374 columns, 986 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 374 integer (374 binary) Root relaxation: cutoff, 298 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 (298 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: 0.296822262424 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:34 2012 Optimize a model with 1191 rows, 1224 columns and 3536 nonzeros Presolve removed 848 rows and 848 columns Presolve time: 0.00s Presolved: 343 rows, 376 columns, 992 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 376 integer (376 binary) Root relaxation: cutoff, 292 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 (292 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: 0.297413541831 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:34 2012 Optimize a model with 1191 rows, 1224 columns and 3536 nonzeros Presolve removed 846 rows and 846 columns Presolve time: 0.00s Presolved: 345 rows, 378 columns, 998 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 378 integer (378 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, 27, 28, 32] edges [(13, 32), (31, 15), (21, 15), (1, 15), (7, 15), (24, 28), (20, 27), (15, 15), (11, 28), (26, 28), (17, 27), (29, 32), (3, 15), (16, 32), (22, 27), (18, 27), (30, 32), (12, 28), (2, 32), (23, 28), (14, 28), (10, 15), (0, 15), (6, 15), (33, 28), (5, 28), (27, 27), (28, 28), (32, 32), (9, 32), (8, 28), (4, 27), (19, 32), (25, 28)] current theta: 0.297117902128 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:34 2012 Optimize a model with 1191 rows, 1224 columns and 3536 nonzeros Presolve removed 848 rows and 848 columns Presolve time: 0.00s Presolved: 343 rows, 376 columns, 992 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 376 integer (376 binary) Root relaxation: cutoff, 292 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 (292 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: 0.297265721979 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:34 2012 Optimize a model with 1191 rows, 1224 columns and 3536 nonzeros Presolve removed 848 rows and 848 columns Presolve time: 0.00s Presolved: 343 rows, 376 columns, 992 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 376 integer (376 binary) Root relaxation: cutoff, 292 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 (292 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: 0.297339631905 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:34 2012 Optimize a model with 1191 rows, 1224 columns and 3536 nonzeros Presolve removed 846 rows and 846 columns Presolve time: 0.00s Presolved: 345 rows, 378 columns, 998 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 378 integer (378 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, 27, 28, 32] edges [(13, 32), (31, 15), (21, 15), (1, 15), (7, 15), (24, 28), (20, 27), (15, 15), (11, 28), (26, 28), (17, 27), (29, 32), (3, 15), (16, 32), (22, 27), (18, 27), (30, 32), (12, 28), (2, 32), (23, 28), (14, 28), (10, 15), (0, 15), (6, 15), (33, 28), (5, 28), (27, 27), (28, 28), (32, 32), (9, 32), (8, 28), (4, 27), (19, 32), (25, 28)]