current theta: 0.671969246096 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:30:05 2014 Optimize a model with 15253 rows, 15375 columns and 45633 nonzeros Presolve removed 4758 rows and 4758 columns Presolve time: 0.19s Presolved: 10495 rows, 10617 columns, 31359 nonzeros Variable types: 0 continuous, 10617 integer (10617 binary) Root relaxation: objective 0.000000e+00, 1452 iterations, 0.07 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 (3261 simplex iterations) in 0.35 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, 10, 33, 40, 42, 49, 64, 69, 70, 87, 111, 118, 120] edges [(43, 111), (110, 118), (50, 111), (97, 70), (0, 49), (57, 49), (12, 42), (27, 6), (96, 111), (81, 40), (88, 69), (70, 87), (52, 64), (11, 111), (108, 49), (28, 33), (24, 10), (119, 87), (65, 111), (8, 111), (102, 111), (53, 49), (83, 70), (71, 40), (78, 33), (42, 69), (58, 70), (54, 6), (3, 70), (19, 69), (32, 111), (89, 118), (51, 6), (16, 40), (55, 111), (31, 111), (13, 42), (113, 49), (79, 70), (17, 49), (107, 87), (60, 40), (99, 70), (23, 111), (90, 120), (94, 111), (39, 69), (122, 33), (26, 33), (92, 64), (67, 49), (112, 70), (69, 69), (59, 64), (38, 70), (35, 42), (106, 111), (74, 49), (46, 42), (4, 64), (120, 111), (6, 69), (25, 111), (41, 49), (77, 49), (115, 111), (114, 64), (49, 111), (56, 87), (30, 111), (34, 111), (2, 111), (66, 6), (20, 111), (82, 64), (72, 69), (111, 49), (10, 10), (64, 40), (15, 49), (121, 69), (117, 49), (45, 49), (5, 111), (73, 87), (22, 69), (14, 70), (80, 111), (21, 69), (86, 64), (95, 111), (109, 69), (37, 111), (63, 69), (98, 64), (47, 69), (76, 111), (7, 40), (116, 33), (18, 64), (61, 111), (104, 64), (103, 87), (33, 111), (9, 87), (48, 40), (36, 42), (118, 111), (100, 111), (1, 87), (91, 40), (85, 111), (62, 64), (101, 6), (87, 87), (44, 40), (105, 10), (68, 111), (84, 64), (93, 111), (75, 111), (29, 49), (40, 40)] current theta: 0.335984623048 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:30:05 2014 Optimize a model with 15253 rows, 15375 columns and 45633 nonzeros Presolve removed 11418 rows and 11418 columns Presolve time: 0.08s Presolved: 3835 rows, 3957 columns, 11379 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 3957 integer (3957 binary) Root relaxation: objective 0.000000e+00, 1038 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 (2217 simplex iterations) in 0.16 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 [45, 52, 55, 61, 62, 69, 70, 71, 79, 87, 104, 119, 120] edges [(109, 87), (102, 104), (88, 104), (94, 62), (52, 71), (43, 61), (13, 120), (61, 61), (70, 87), (97, 79), (104, 62), (108, 120), (86, 120), (113, 62), (119, 87), (40, 120), (62, 62), (36, 119), (10, 61), (78, 119), (81, 71), (38, 79), (46, 62), (72, 62), (56, 61), (95, 79), (42, 69), (1, 61), (71, 71), (83, 87), (27, 62), (122, 87), (4, 71), (28, 61), (73, 69), (18, 79), (115, 61), (24, 71), (67, 120), (12, 62), (63, 119), (98, 61), (21, 62), (54, 62), (2, 61), (80, 119), (96, 120), (47, 62), (69, 69), (23, 69), (14, 119), (106, 62), (82, 71), (15, 71), (22, 62), (105, 71), (101, 55), (17, 120), (32, 61), (57, 62), (3, 119), (6, 69), (51, 104), (103, 79), (33, 87), (91, 120), (100, 61), (29, 120), (37, 71), (90, 69), (89, 120), (79, 79), (111, 71), (19, 104), (84, 62), (59, 71), (26, 70), (44, 104), (39, 62), (121, 69), (31, 120), (110, 79), (117, 120), (107, 62), (55, 69), (99, 87), (48, 52), (20, 79), (8, 79), (114, 104), (66, 62), (30, 61), (85, 79), (92, 62), (76, 61), (5, 62), (68, 71), (75, 79), (25, 79), (53, 71), (60, 62), (50, 61), (64, 120), (65, 79), (58, 104), (41, 62), (112, 79), (16, 120), (34, 61), (49, 120), (87, 87), (116, 87), (118, 61), (77, 120), (45, 120), (11, 79), (9, 62), (74, 71), (7, 61), (0, 104), (120, 71), (35, 62), (93, 61)] current theta: 0.167992311524 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:30:05 2014 Optimize a model with 15253 rows, 15375 columns and 45633 nonzeros Presolve removed 13966 rows and 14022 columns Presolve time: 0.02s Presolved: 1287 rows, 1353 columns, 3681 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1353 integer (1353 binary) Root relaxation: cutoff, 1456 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 (1456 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: 0.251988467286 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:30:05 2014 Optimize a model with 15253 rows, 15375 columns and 45633 nonzeros Presolve removed 12776 rows and 12779 columns Presolve time: 0.04s Presolved: 2477 rows, 2596 columns, 7302 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2596 integer (2596 binary) Root relaxation: objective 0.000000e+00, 1493 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 (4065 simplex iterations) in 0.13 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, 9, 49, 55, 59, 61, 79, 85, 106, 111, 114, 117, 122] edges [(22, 117), (21, 55), (77, 117), (96, 49), (83, 122), (43, 61), (39, 9), (47, 55), (73, 55), (61, 61), (122, 122), (92, 117), (18, 111), (65, 8), (35, 106), (10, 61), (14, 8), (120, 117), (11, 61), (111, 9), (117, 117), (6, 55), (40, 49), (7, 59), (89, 59), (1, 61), (60, 9), (56, 79), (52, 59), (112, 122), (9, 9), (85, 8), (51, 9), (115, 61), (103, 85), (48, 59), (98, 61), (2, 61), (88, 114), (94, 111), (53, 59), (44, 114), (67, 49), (23, 114), (106, 9), (81, 59), (71, 117), (13, 111), (46, 9), (37, 59), (72, 9), (54, 117), (62, 111), (16, 117), (20, 8), (70, 122), (38, 61), (41, 9), (0, 111), (57, 117), (100, 61), (99, 122), (64, 49), (114, 114), (27, 9), (79, 79), (105, 111), (59, 59), (31, 49), (121, 55), (24, 59), (86, 117), (45, 117), (78, 8), (5, 111), (116, 122), (33, 79), (29, 59), (3, 122), (107, 85), (74, 59), (102, 114), (8, 79), (42, 55), (30, 61), (19, 55), (4, 59), (84, 114), (76, 61), (109, 122), (26, 8), (58, 106), (66, 114), (63, 122), (55, 55), (36, 55), (49, 49), (50, 61), (104, 55), (97, 85), (119, 122), (12, 9), (91, 117), (32, 85), (34, 61), (17, 117), (69, 55), (80, 122), (118, 61), (75, 8), (68, 111), (108, 111), (87, 122), (28, 8), (25, 61), (82, 111), (15, 59), (95, 85), (113, 85), (101, 114), (110, 85), (90, 114), (93, 61)] current theta: 0.209990389405 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:30:05 2014 Optimize a model with 15253 rows, 15375 columns and 45633 nonzeros Presolve removed 13420 rows and 13441 columns Presolve time: 0.03s Presolved: 1833 rows, 1934 columns, 5352 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1934 integer (1934 binary) Root relaxation: objective 3.552714e-15, 1474 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 (3804 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 [14, 24, 36, 38, 39, 50, 58, 66, 69, 90, 116, 117, 120] edges [(66, 66), (8, 38), (22, 117), (46, 58), (72, 58), (25, 38), (48, 24), (15, 24), (121, 36), (44, 66), (11, 38), (41, 39), (40, 120), (75, 14), (120, 117), (117, 117), (50, 50), (104, 66), (32, 38), (42, 69), (3, 14), (80, 58), (14, 14), (35, 36), (67, 117), (19, 69), (76, 50), (102, 90), (38, 38), (6, 90), (52, 24), (73, 69), (36, 36), (7, 24), (43, 50), (65, 38), (94, 38), (18, 58), (56, 38), (37, 24), (59, 24), (20, 14), (100, 50), (69, 69), (105, 24), (51, 66), (97, 14), (90, 90), (17, 120), (89, 24), (92, 66), (62, 39), (47, 36), (16, 117), (12, 58), (61, 50), (34, 38), (107, 38), (91, 120), (57, 117), (116, 116), (74, 24), (106, 58), (82, 39), (95, 38), (26, 14), (63, 36), (45, 117), (86, 66), (99, 116), (31, 120), (24, 24), (55, 69), (53, 24), (112, 116), (23, 66), (81, 24), (98, 50), (78, 14), (58, 58), (2, 50), (93, 38), (0, 39), (13, 66), (39, 58), (71, 24), (54, 66), (110, 38), (83, 14), (4, 24), (21, 66), (9, 58), (77, 39), (64, 120), (27, 36), (96, 117), (1, 38), (114, 90), (30, 38), (10, 50), (29, 24), (103, 39), (79, 14), (49, 120), (5, 58), (119, 116), (85, 38), (108, 24), (113, 39), (118, 50), (111, 39), (122, 116), (33, 14), (70, 116), (60, 58), (88, 66), (68, 117), (115, 50), (109, 116), (28, 38), (84, 66), (101, 66), (87, 116)] current theta: 0.188991350464 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:30:06 2014 Optimize a model with 15253 rows, 15375 columns and 45633 nonzeros Presolve removed 13684 rows and 13717 columns Presolve time: 0.02s Presolved: 1569 rows, 1658 columns, 4548 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1658 integer (1658 binary) Root relaxation: objective 7.105427e-15, 1405 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 (2442 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 [23, 38, 46, 55, 61, 63, 64, 65, 67, 81, 92, 111, 116] edges [(8, 38), (122, 63), (45, 64), (21, 55), (88, 23), (25, 38), (43, 61), (65, 65), (96, 67), (26, 116), (73, 55), (61, 61), (86, 92), (16, 67), (11, 38), (107, 111), (10, 61), (57, 111), (39, 111), (78, 116), (32, 38), (111, 111), (4, 81), (66, 92), (38, 38), (60, 46), (81, 81), (54, 92), (110, 65), (92, 92), (101, 23), (91, 92), (115, 61), (63, 63), (31, 67), (6, 23), (79, 65), (98, 61), (90, 23), (113, 111), (2, 61), (56, 38), (94, 111), (20, 65), (47, 63), (114, 23), (51, 46), (80, 63), (97, 65), (74, 111), (3, 116), (15, 81), (64, 67), (22, 92), (0, 111), (100, 61), (116, 116), (9, 46), (105, 111), (95, 38), (40, 64), (121, 55), (46, 46), (99, 116), (49, 64), (53, 81), (5, 111), (14, 116), (27, 46), (117, 92), (103, 65), (112, 116), (84, 92), (24, 81), (71, 81), (52, 81), (62, 46), (19, 55), (41, 111), (44, 23), (48, 111), (23, 23), (33, 116), (76, 61), (72, 46), (18, 46), (13, 92), (55, 55), (36, 55), (83, 116), (50, 61), (42, 23), (120, 67), (7, 81), (75, 65), (17, 67), (1, 38), (67, 67), (30, 38), (34, 61), (69, 55), (118, 61), (12, 46), (68, 111), (89, 81), (108, 111), (85, 38), (29, 81), (59, 81), (77, 111), (58, 46), (82, 111), (35, 63), (70, 116), (106, 46), (109, 116), (119, 63), (37, 81), (104, 23), (28, 38), (93, 61), (102, 23), (87, 116)] current theta: 0.178491830994 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:30:06 2014 Optimize a model with 15253 rows, 15375 columns and 45633 nonzeros Presolve removed 13814 rows and 13853 columns Presolve time: 0.02s Presolved: 1439 rows, 1522 columns, 4154 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1522 integer (1522 binary) Root relaxation: cutoff, 1399 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 (1399 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: 0.183741590729 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:30:06 2014 Optimize a model with 15253 rows, 15375 columns and 45633 nonzeros Presolve removed 13754 rows and 13790 columns Presolve time: 0.03s Presolved: 1499 rows, 1585 columns, 4337 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1585 integer (1585 binary) Root relaxation: cutoff, 1689 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 (1689 simplex iterations) in 0.07 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.186366470597 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:30:06 2014 Optimize a model with 15253 rows, 15375 columns and 45633 nonzeros Presolve removed 13714 rows and 13750 columns Presolve time: 0.02s Presolved: 1539 rows, 1625 columns, 4455 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1625 integer (1625 binary) Root relaxation: objective 0.000000e+00, 1485 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 (1485 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 [38, 44, 55, 63, 65, 72, 81, 90, 92, 111, 116, 118, 120] edges [(8, 38), (122, 63), (21, 55), (25, 38), (12, 72), (26, 116), (73, 55), (86, 92), (11, 38), (107, 111), (40, 120), (57, 111), (39, 111), (62, 72), (78, 116), (32, 38), (111, 111), (4, 81), (98, 118), (66, 92), (102, 90), (38, 38), (6, 90), (81, 81), (54, 92), (110, 65), (92, 92), (101, 90), (2, 118), (91, 92), (118, 118), (63, 63), (65, 38), (67, 120), (79, 65), (93, 118), (113, 111), (56, 38), (94, 111), (20, 65), (47, 63), (96, 120), (76, 118), (80, 63), (97, 65), (74, 111), (3, 116), (15, 81), (90, 90), (17, 120), (104, 72), (34, 38), (22, 92), (88, 44), (0, 111), (116, 116), (27, 72), (10, 118), (105, 111), (95, 38), (120, 120), (121, 55), (99, 116), (9, 72), (53, 81), (5, 111), (14, 116), (31, 120), (51, 72), (117, 120), (103, 65), (61, 118), (112, 116), (84, 92), (46, 72), (24, 81), (72, 72), (71, 81), (58, 72), (52, 81), (19, 55), (41, 111), (50, 118), (48, 111), (33, 116), (44, 44), (43, 118), (18, 65), (13, 92), (55, 55), (115, 118), (36, 55), (83, 116), (64, 120), (7, 81), (75, 65), (60, 72), (1, 38), (114, 90), (16, 120), (30, 38), (106, 72), (49, 120), (69, 55), (68, 111), (89, 81), (108, 111), (85, 38), (29, 81), (59, 81), (77, 111), (100, 118), (42, 90), (45, 120), (23, 90), (82, 111), (35, 63), (70, 116), (109, 116), (119, 63), (37, 81), (28, 38), (87, 116)] current theta: 0.185054030663 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:30:06 2014 Optimize a model with 15253 rows, 15375 columns and 45633 nonzeros Presolve removed 13744 rows and 13780 columns Presolve time: 0.03s Presolved: 1509 rows, 1595 columns, 4367 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1595 integer (1595 binary) Root relaxation: cutoff, 1570 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 (1570 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: 0.18571025063 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:30:06 2014 Optimize a model with 15253 rows, 15375 columns and 45633 nonzeros Presolve removed 13726 rows and 13762 columns Presolve time: 0.03s Presolved: 1527 rows, 1613 columns, 4421 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1613 integer (1613 binary) Root relaxation: cutoff, 1640 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 (1640 simplex iterations) in 0.07 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.186038360613 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:30:06 2014 Optimize a model with 15253 rows, 15375 columns and 45633 nonzeros Presolve removed 13716 rows and 13752 columns Presolve time: 0.02s Presolved: 1537 rows, 1623 columns, 4449 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1623 integer (1623 binary) Root relaxation: objective 0.000000e+00, 1432 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 (1432 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 [38, 44, 55, 63, 65, 72, 81, 90, 92, 111, 116, 118, 120] edges [(8, 38), (25, 38), (12, 72), (26, 116), (73, 55), (86, 92), (11, 38), (107, 111), (40, 120), (21, 72), (57, 111), (39, 111), (62, 72), (32, 38), (111, 111), (4, 81), (98, 118), (66, 92), (102, 90), (38, 38), (6, 90), (81, 81), (54, 92), (110, 65), (92, 92), (101, 90), (2, 118), (91, 92), (118, 118), (63, 63), (65, 38), (67, 120), (79, 65), (93, 118), (113, 111), (56, 38), (94, 111), (20, 65), (47, 63), (96, 120), (76, 118), (80, 63), (97, 65), (74, 111), (3, 116), (15, 81), (90, 90), (17, 120), (104, 72), (34, 38), (22, 92), (88, 44), (0, 111), (116, 116), (27, 72), (10, 118), (95, 38), (120, 120), (121, 55), (99, 116), (9, 72), (53, 81), (5, 111), (14, 116), (31, 120), (51, 72), (117, 120), (103, 65), (61, 118), (112, 116), (78, 65), (84, 92), (46, 72), (24, 81), (72, 72), (71, 81), (58, 72), (52, 81), (19, 55), (41, 111), (50, 118), (48, 111), (33, 116), (44, 44), (43, 118), (105, 81), (18, 65), (13, 92), (55, 55), (115, 118), (36, 55), (83, 116), (64, 120), (7, 81), (75, 65), (60, 72), (1, 38), (114, 90), (16, 120), (30, 38), (106, 72), (49, 120), (69, 55), (68, 111), (89, 81), (108, 111), (85, 38), (29, 81), (59, 81), (77, 111), (100, 118), (42, 90), (45, 120), (23, 90), (82, 111), (35, 63), (122, 116), (70, 116), (109, 116), (119, 63), (37, 81), (28, 38), (87, 116)] current theta: 0.185874305622 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:30:06 2014 Optimize a model with 15253 rows, 15375 columns and 45633 nonzeros Presolve removed 13724 rows and 13759 columns Presolve time: 0.03s Presolved: 1529 rows, 1616 columns, 4428 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1616 integer (1616 binary) Root relaxation: cutoff, 1641 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 (1641 simplex iterations) in 0.07 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.185956333118 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:30:07 2014 Optimize a model with 15253 rows, 15375 columns and 45633 nonzeros Presolve removed 13716 rows and 13752 columns Presolve time: 0.02s Presolved: 1537 rows, 1623 columns, 4449 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 1623 integer (1623 binary) Root relaxation: cutoff, 155 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 (155 simplex iterations) in 0.03 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 [38, 44, 55, 63, 65, 72, 81, 90, 92, 111, 116, 118, 120] edges [(8, 38), (25, 38), (12, 72), (26, 116), (73, 55), (86, 92), (11, 38), (107, 111), (40, 120), (21, 72), (57, 111), (39, 111), (62, 72), (32, 38), (111, 111), (4, 81), (98, 118), (66, 92), (102, 90), (38, 38), (6, 90), (81, 81), (54, 92), (110, 65), (92, 92), (101, 90), (2, 118), (91, 92), (118, 118), (63, 63), (65, 38), (67, 120), (79, 65), (93, 118), (113, 111), (56, 38), (94, 111), (20, 65), (47, 63), (96, 120), (76, 118), (80, 63), (97, 65), (74, 111), (3, 116), (15, 81), (90, 90), (17, 120), (104, 72), (34, 38), (22, 92), (88, 44), (0, 111), (116, 116), (27, 72), (10, 118), (95, 38), (120, 120), (121, 55), (99, 116), (9, 72), (53, 81), (5, 111), (14, 116), (31, 120), (51, 72), (117, 120), (103, 65), (61, 118), (112, 116), (78, 65), (84, 92), (46, 72), (24, 81), (72, 72), (71, 81), (58, 72), (52, 81), (19, 55), (41, 111), (50, 118), (48, 111), (33, 116), (44, 44), (43, 118), (105, 81), (18, 65), (13, 92), (55, 55), (115, 118), (36, 55), (83, 116), (64, 120), (7, 81), (75, 65), (60, 72), (1, 38), (114, 90), (16, 120), (30, 38), (106, 72), (49, 120), (69, 55), (68, 111), (89, 81), (108, 111), (85, 38), (29, 81), (59, 81), (77, 111), (100, 118), (42, 90), (45, 120), (23, 90), (82, 111), (35, 63), (122, 116), (70, 116), (109, 116), (119, 63), (37, 81), (28, 38), (87, 116)]