current theta: 0.658735963438 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:01:38 2014 Optimize a model with 13111 rows, 13224 columns and 39216 nonzeros Presolve removed 3936 rows and 3936 columns Presolve time: 0.17s Presolved: 9175 rows, 9288 columns, 27408 nonzeros Variable types: 0 continuous, 9288 integer (9288 binary) Root relaxation: objective 0.000000e+00, 1215 iterations, 0.05 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 (2921 simplex iterations) in 0.32 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, 17, 35, 43, 44, 45, 59, 85, 90, 104, 105, 109] edges [(91, 44), (107, 43), (40, 90), (18, 85), (34, 90), (85, 85), (64, 109), (12, 43), (109, 2), (8, 17), (56, 59), (78, 35), (74, 44), (65, 35), (61, 59), (4, 90), (72, 2), (60, 44), (70, 59), (46, 35), (15, 44), (102, 90), (27, 85), (14, 105), (13, 43), (3, 109), (0, 43), (36, 59), (81, 35), (84, 109), (49, 45), (30, 45), (108, 104), (21, 104), (66, 43), (53, 17), (63, 104), (22, 104), (62, 104), (55, 105), (17, 105), (52, 35), (93, 109), (86, 44), (10, 109), (38, 90), (97, 43), (83, 104), (103, 104), (57, 35), (16, 44), (80, 104), (37, 59), (5, 44), (6, 104), (23, 104), (35, 45), (48, 104), (20, 45), (113, 43), (94, 43), (88, 45), (96, 35), (19, 104), (59, 59), (51, 17), (11, 85), (50, 2), (26, 43), (73, 104), (98, 17), (44, 105), (42, 45), (45, 2), (104, 45), (41, 105), (99, 105), (110, 35), (2, 104), (79, 44), (90, 109), (28, 45), (33, 105), (7, 85), (39, 59), (31, 17), (25, 59), (76, 104), (54, 17), (9, 104), (75, 104), (29, 104), (87, 90), (32, 43), (43, 105), (24, 85), (89, 45), (71, 105), (69, 45), (112, 17), (95, 2), (100, 104), (58, 105), (101, 85), (82, 85), (47, 43), (92, 104), (105, 44), (111, 2), (67, 104), (1, 59), (77, 35), (68, 105), (106, 104)] current theta: 0.329367981719 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:01:39 2014 Optimize a model with 13111 rows, 13224 columns and 39216 nonzeros Presolve removed 9674 rows and 9676 columns Presolve time: 0.07s Presolved: 3437 rows, 3548 columns, 10192 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 3548 integer (3548 binary) Root relaxation: objective 0.000000e+00, 996 iterations, 0.02 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 (1819 simplex iterations) in 0.10 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 [8, 45, 53, 64, 67, 68, 71, 76, 85, 102, 106, 110] edges [(61, 67), (37, 53), (52, 71), (11, 67), (83, 68), (93, 64), (62, 102), (60, 71), (104, 102), (19, 67), (92, 102), (88, 71), (34, 53), (73, 71), (71, 71), (3, 106), (4, 53), (94, 71), (32, 67), (85, 45), (16, 71), (45, 85), (42, 67), (90, 102), (56, 8), (0, 110), (30, 45), (55, 110), (107, 71), (9, 64), (31, 67), (50, 67), (27, 110), (96, 102), (87, 106), (74, 110), (58, 67), (10, 64), (46, 64), (40, 110), (8, 53), (82, 71), (1, 68), (111, 67), (15, 71), (105, 71), (81, 102), (43, 71), (97, 53), (49, 67), (91, 71), (7, 67), (47, 110), (100, 102), (51, 71), (98, 76), (22, 64), (70, 64), (77, 102), (12, 71), (113, 68), (5, 68), (29, 106), (86, 110), (78, 64), (23, 67), (48, 64), (28, 67), (64, 53), (35, 67), (6, 110), (25, 53), (72, 71), (57, 64), (68, 68), (2, 85), (13, 67), (80, 110), (18, 67), (95, 67), (17, 71), (112, 67), (21, 67), (110, 110), (109, 67), (41, 110), (38, 53), (106, 106), (89, 102), (84, 68), (54, 67), (33, 110), (69, 85), (24, 85), (101, 76), (103, 64), (14, 71), (67, 67), (39, 110), (108, 102), (63, 67), (79, 53), (59, 53), (66, 68), (26, 76), (20, 85), (36, 110), (102, 106), (99, 110), (75, 110), (76, 67), (53, 110), (65, 67), (44, 71)] current theta: 0.16468399086 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:01:39 2014 Optimize a model with 13111 rows, 13224 columns and 39216 nonzeros Presolve removed 11944 rows and 11999 columns Presolve time: 0.02s Presolved: 1167 rows, 1225 columns, 3331 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1225 integer (1225 binary) Root relaxation: cutoff, 1380 iterations, 0.02 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 (1380 simplex iterations) in 0.04 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.247025986289 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:01:39 2014 Optimize a model with 13111 rows, 13224 columns and 39216 nonzeros Presolve removed 10944 rows and 10955 columns Presolve time: 0.04s Presolved: 2167 rows, 2269 columns, 6373 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2269 integer (2269 binary) Root relaxation: objective -3.552714e-15, 1452 iterations, 0.04 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 (2753 simplex iterations) in 0.11 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, 10, 17, 29, 44, 54, 70, 72, 107, 110, 112, 113] edges [(39, 70), (71, 72), (4, 70), (63, 54), (12, 72), (78, 113), (89, 54), (62, 29), (26, 17), (82, 107), (60, 107), (50, 17), (17, 107), (46, 113), (80, 113), (95, 112), (58, 113), (107, 107), (70, 110), (35, 112), (34, 10), (88, 72), (55, 113), (15, 44), (104, 29), (109, 54), (21, 29), (99, 113), (2, 2), (91, 107), (69, 17), (84, 110), (51, 44), (1, 70), (52, 107), (100, 29), (24, 72), (13, 112), (16, 44), (14, 72), (93, 113), (66, 110), (79, 110), (86, 113), (76, 112), (53, 113), (61, 10), (18, 54), (101, 17), (3, 29), (98, 54), (20, 112), (36, 70), (11, 54), (112, 112), (22, 10), (6, 113), (111, 54), (30, 72), (57, 10), (75, 113), (10, 10), (59, 70), (54, 54), (67, 54), (45, 2), (83, 113), (5, 110), (42, 54), (38, 10), (106, 29), (43, 44), (49, 17), (72, 72), (94, 44), (29, 29), (90, 29), (48, 54), (37, 70), (96, 29), (7, 112), (68, 70), (19, 54), (41, 110), (74, 113), (44, 44), (32, 54), (81, 29), (97, 113), (40, 70), (102, 29), (65, 29), (64, 113), (33, 110), (108, 29), (47, 113), (87, 29), (73, 17), (9, 113), (31, 29), (92, 29), (25, 70), (77, 29), (56, 70), (85, 2), (0, 70), (23, 54), (27, 113), (28, 112), (105, 44), (113, 113), (110, 113), (103, 113), (8, 10)] current theta: 0.205854988574 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:01:39 2014 Optimize a model with 13111 rows, 13224 columns and 39216 nonzeros Presolve removed 11488 rows and 11510 columns Presolve time: 0.02s Presolved: 1623 rows, 1714 columns, 4730 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1714 integer (1714 binary) Root relaxation: objective 3.552714e-15, 1760 iterations, 0.04 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 (2899 simplex iterations) in 0.09 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 [0, 2, 13, 40, 51, 60, 63, 72, 76, 108, 112, 113] edges [(61, 63), (31, 108), (111, 76), (78, 113), (16, 51), (8, 40), (37, 40), (28, 76), (49, 13), (82, 51), (109, 112), (81, 108), (21, 108), (87, 108), (23, 76), (46, 113), (62, 63), (95, 112), (102, 108), (58, 113), (33, 0), (35, 112), (4, 40), (88, 72), (17, 60), (101, 13), (99, 113), (70, 0), (2, 2), (39, 40), (25, 40), (50, 13), (67, 76), (3, 108), (43, 51), (18, 76), (63, 63), (29, 108), (89, 63), (24, 72), (13, 76), (57, 63), (34, 40), (104, 108), (93, 113), (56, 40), (76, 76), (42, 76), (71, 60), (22, 63), (48, 63), (90, 63), (51, 51), (55, 0), (1, 40), (68, 0), (20, 112), (98, 76), (112, 112), (106, 108), (107, 60), (30, 72), (52, 13), (65, 63), (75, 113), (0, 0), (84, 0), (45, 2), (83, 113), (94, 51), (26, 13), (79, 0), (15, 51), (54, 76), (72, 72), (92, 108), (14, 60), (80, 40), (12, 13), (44, 51), (36, 40), (100, 108), (7, 112), (74, 113), (60, 60), (53, 0), (97, 113), (91, 51), (66, 0), (64, 113), (10, 40), (47, 113), (69, 112), (105, 51), (9, 113), (73, 13), (108, 108), (38, 40), (11, 76), (6, 60), (85, 2), (41, 60), (27, 113), (86, 60), (59, 40), (96, 63), (5, 113), (77, 63), (32, 76), (113, 113), (110, 113), (103, 113), (19, 63), (40, 40)] current theta: 0.185269489717 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:01:39 2014 Optimize a model with 13111 rows, 13224 columns and 39216 nonzeros Presolve removed 11718 rows and 11754 columns Presolve time: 0.02s Presolved: 1393 rows, 1470 columns, 4026 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1470 integer (1470 binary) Root relaxation: objective 0.000000e+00, 1513 iterations, 0.03 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 (1513 simplex iterations) in 0.06 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 [8, 13, 31, 35, 39, 44, 60, 77, 78, 85, 88, 97] edges [(13, 13), (79, 97), (67, 35), (102, 77), (83, 97), (93, 78), (85, 85), (111, 35), (35, 35), (72, 88), (94, 60), (84, 97), (21, 31), (101, 35), (40, 8), (77, 77), (76, 13), (28, 35), (98, 78), (17, 60), (70, 39), (15, 44), (74, 78), (24, 13), (113, 78), (14, 88), (18, 78), (106, 77), (48, 78), (47, 97), (45, 85), (34, 8), (50, 13), (104, 31), (51, 44), (97, 97), (46, 39), (62, 77), (53, 39), (49, 78), (56, 39), (3, 77), (16, 44), (36, 39), (110, 97), (100, 31), (42, 35), (59, 39), (20, 35), (39, 39), (71, 88), (23, 35), (89, 31), (27, 78), (58, 78), (19, 77), (5, 97), (37, 39), (107, 60), (103, 8), (52, 13), (91, 60), (54, 78), (22, 8), (69, 35), (55, 97), (61, 78), (29, 31), (57, 8), (10, 8), (95, 35), (43, 44), (9, 78), (2, 85), (7, 13), (81, 31), (68, 97), (32, 13), (112, 85), (99, 97), (12, 13), (82, 60), (38, 8), (65, 31), (64, 8), (60, 60), (44, 44), (88, 88), (90, 77), (75, 78), (1, 39), (96, 77), (73, 13), (80, 8), (4, 39), (26, 78), (30, 85), (108, 31), (109, 35), (87, 31), (6, 60), (0, 97), (8, 8), (31, 31), (11, 35), (41, 60), (86, 60), (66, 97), (78, 78), (105, 44), (63, 77), (92, 77), (33, 97), (25, 39)] current theta: 0.174976740288 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:01:39 2014 Optimize a model with 13111 rows, 13224 columns and 39216 nonzeros Presolve removed 11844 rows and 11891 columns Presolve time: 0.02s Presolved: 1267 rows, 1333 columns, 3637 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1333 integer (1333 binary) Root relaxation: cutoff, 1504 iterations, 0.03 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 (1504 simplex iterations) in 0.05 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.180123115003 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:01:39 2014 Optimize a model with 13111 rows, 13224 columns and 39216 nonzeros Presolve removed 11784 rows and 11824 columns Presolve time: 0.02s Presolved: 1327 rows, 1400 columns, 3824 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1400 integer (1400 binary) Root relaxation: cutoff, 1479 iterations, 0.03 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 (1479 simplex iterations) in 0.05 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.18269630236 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:01:40 2014 Optimize a model with 13111 rows, 13224 columns and 39216 nonzeros Presolve removed 11748 rows and 11786 columns Presolve time: 0.02s Presolved: 1363 rows, 1438 columns, 3934 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1438 integer (1438 binary) Root relaxation: cutoff, 1667 iterations, 0.03 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 (1667 simplex iterations) in 0.06 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.183982896038 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:01:40 2014 Optimize a model with 13111 rows, 13224 columns and 39216 nonzeros Presolve removed 11732 rows and 11769 columns Presolve time: 0.02s Presolved: 1379 rows, 1455 columns, 3983 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1455 integer (1455 binary) Root relaxation: cutoff, 1587 iterations, 0.04 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 (1587 simplex iterations) in 0.06 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.184626192878 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:01:40 2014 Optimize a model with 13111 rows, 13224 columns and 39216 nonzeros Presolve removed 11724 rows and 11761 columns Presolve time: 0.02s Presolved: 1387 rows, 1463 columns, 4007 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 1463 integer (1463 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 0.00000 -1.00000 - - 0s Explored 0 nodes (38 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 [8, 13, 31, 35, 39, 44, 60, 77, 78, 85, 88, 97] edges [(13, 13), (79, 97), (67, 35), (102, 77), (83, 97), (93, 78), (85, 85), (111, 35), (35, 35), (72, 88), (94, 60), (84, 97), (21, 31), (101, 35), (40, 8), (77, 77), (76, 13), (28, 35), (98, 78), (17, 60), (70, 39), (15, 44), (74, 78), (24, 13), (113, 78), (14, 88), (18, 78), (106, 77), (48, 78), (47, 97), (45, 85), (34, 8), (50, 13), (104, 31), (51, 44), (97, 97), (46, 39), (62, 77), (53, 39), (49, 78), (56, 39), (3, 77), (16, 44), (36, 39), (110, 97), (100, 31), (42, 35), (59, 39), (20, 35), (39, 39), (71, 88), (23, 35), (89, 31), (27, 78), (58, 78), (19, 77), (5, 97), (37, 39), (107, 60), (103, 8), (52, 13), (91, 60), (54, 78), (22, 8), (69, 35), (55, 97), (61, 78), (29, 31), (57, 8), (10, 8), (95, 35), (43, 44), (9, 78), (2, 85), (7, 13), (81, 31), (68, 97), (32, 13), (112, 85), (99, 97), (12, 13), (82, 60), (38, 8), (65, 31), (64, 8), (60, 60), (44, 44), (88, 88), (90, 77), (75, 78), (1, 39), (96, 77), (73, 13), (80, 8), (4, 39), (26, 78), (30, 85), (108, 31), (109, 35), (87, 31), (6, 60), (0, 97), (8, 8), (31, 31), (11, 35), (41, 60), (86, 60), (66, 97), (78, 78), (105, 44), (63, 77), (92, 77), (33, 97), (25, 39)] current theta: 0.184304544458 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:01:40 2014 Optimize a model with 13111 rows, 13224 columns and 39216 nonzeros Presolve removed 11728 rows and 11765 columns Presolve time: 0.02s Presolved: 1383 rows, 1459 columns, 3995 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1459 integer (1459 binary) Root relaxation: objective 0.000000e+00, 1546 iterations, 0.03 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 (1546 simplex iterations) in 0.05 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 [8, 12, 31, 35, 39, 44, 60, 72, 77, 78, 85, 97] edges [(79, 97), (69, 12), (67, 35), (13, 12), (102, 77), (83, 97), (93, 78), (85, 85), (111, 35), (35, 35), (94, 60), (84, 97), (21, 31), (101, 35), (77, 77), (28, 35), (24, 12), (98, 78), (88, 72), (17, 60), (70, 39), (15, 44), (74, 78), (113, 78), (50, 12), (18, 78), (106, 77), (48, 78), (47, 97), (45, 85), (34, 8), (104, 31), (51, 44), (97, 97), (46, 39), (62, 77), (53, 39), (42, 78), (49, 78), (56, 39), (3, 77), (16, 44), (36, 39), (110, 97), (100, 31), (59, 39), (20, 35), (39, 39), (71, 60), (23, 35), (89, 31), (27, 78), (58, 78), (5, 97), (52, 12), (37, 39), (107, 60), (103, 8), (30, 72), (91, 60), (54, 78), (22, 8), (55, 97), (61, 78), (29, 31), (57, 8), (10, 8), (32, 12), (95, 35), (43, 44), (9, 78), (2, 85), (12, 12), (72, 72), (68, 97), (14, 60), (112, 85), (99, 97), (82, 60), (7, 12), (38, 8), (64, 8), (60, 60), (44, 44), (90, 77), (75, 78), (76, 35), (1, 39), (81, 77), (19, 31), (96, 77), (80, 8), (4, 39), (26, 78), (108, 31), (73, 12), (109, 35), (87, 31), (6, 60), (65, 77), (0, 97), (8, 8), (31, 31), (92, 31), (11, 35), (41, 60), (86, 60), (66, 97), (40, 39), (78, 78), (105, 44), (63, 77), (33, 97), (25, 39)] current theta: 0.184143720248 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:01:40 2014 Optimize a model with 13111 rows, 13224 columns and 39216 nonzeros Presolve removed 11730 rows and 11767 columns Presolve time: 0.02s Presolved: 1381 rows, 1457 columns, 3989 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1457 integer (1457 binary) Root relaxation: cutoff, 1660 iterations, 0.04 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 (1660 simplex iterations) in 0.06 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.184224132353 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:01:40 2014 Optimize a model with 13111 rows, 13224 columns and 39216 nonzeros Presolve removed 11728 rows and 11765 columns Presolve time: 0.02s Presolved: 1383 rows, 1459 columns, 3995 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 1459 integer (1459 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 0.00000 -1.00000 - - 0s Explored 0 nodes (38 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 [8, 12, 31, 35, 39, 44, 60, 72, 77, 78, 85, 97] edges [(79, 97), (69, 12), (67, 35), (13, 12), (102, 77), (83, 97), (93, 78), (85, 85), (111, 35), (35, 35), (94, 60), (84, 97), (21, 31), (101, 35), (77, 77), (28, 35), (24, 12), (98, 78), (88, 72), (17, 60), (70, 39), (15, 44), (74, 78), (113, 78), (50, 12), (18, 78), (106, 77), (48, 78), (47, 97), (45, 85), (34, 8), (104, 31), (51, 44), (97, 97), (46, 39), (62, 77), (53, 39), (42, 78), (49, 78), (56, 39), (3, 77), (16, 44), (36, 39), (110, 97), (100, 31), (59, 39), (20, 35), (39, 39), (71, 60), (23, 35), (89, 31), (27, 78), (58, 78), (5, 97), (52, 12), (37, 39), (107, 60), (103, 8), (30, 72), (91, 60), (54, 78), (22, 8), (55, 97), (61, 78), (29, 31), (57, 8), (10, 8), (32, 12), (95, 35), (43, 44), (9, 78), (2, 85), (12, 12), (72, 72), (68, 97), (14, 60), (112, 85), (99, 97), (82, 60), (7, 12), (38, 8), (64, 8), (60, 60), (44, 44), (90, 77), (75, 78), (76, 35), (1, 39), (81, 77), (19, 31), (96, 77), (80, 8), (4, 39), (26, 78), (108, 31), (73, 12), (109, 35), (87, 31), (6, 60), (65, 77), (0, 97), (8, 8), (31, 31), (92, 31), (11, 35), (41, 60), (86, 60), (66, 97), (40, 39), (78, 78), (105, 44), (63, 77), (33, 97), (25, 39)]