current theta: 0.658019886526 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:52:52 2014 Optimize a model with 16771 rows, 16899 columns and 50181 nonzeros Presolve removed 5714 rows and 5714 columns Presolve time: 0.20s Presolved: 11057 rows, 11185 columns, 33039 nonzeros Variable types: 0 continuous, 11185 integer (11185 binary) Root relaxation: objective 0.000000e+00, 1527 iterations, 0.06 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 (3019 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 [11, 37, 45, 57, 61, 64, 68, 69, 109, 114, 115, 121, 128] edges [(37, 64), (2, 64), (59, 45), (58, 114), (24, 45), (107, 45), (31, 64), (96, 68), (94, 64), (32, 64), (92, 45), (87, 57), (75, 121), (12, 69), (16, 68), (121, 114), (112, 69), (122, 121), (115, 64), (40, 45), (79, 69), (55, 109), (102, 109), (54, 115), (19, 69), (42, 128), (109, 109), (3, 109), (97, 11), (26, 57), (27, 128), (68, 37), (69, 128), (73, 69), (49, 45), (50, 128), (124, 115), (106, 68), (14, 69), (85, 115), (71, 64), (76, 45), (82, 45), (101, 109), (25, 45), (15, 68), (90, 121), (48, 61), (28, 57), (65, 115), (22, 68), (52, 45), (77, 69), (4, 64), (9, 68), (6, 11), (41, 45), (20, 109), (64, 68), (36, 121), (83, 109), (61, 45), (63, 114), (10, 68), (88, 45), (89, 37), (126, 68), (7, 45), (34, 115), (113, 69), (127, 68), (72, 69), (21, 109), (57, 37), (1, 45), (114, 68), (39, 57), (118, 115), (104, 114), (11, 115), (99, 69), (74, 115), (91, 109), (128, 37), (47, 69), (123, 121), (108, 68), (93, 37), (53, 45), (17, 45), (13, 57), (70, 69), (95, 45), (78, 68), (98, 45), (117, 68), (100, 37), (62, 121), (111, 115), (51, 115), (119, 109), (86, 68), (0, 115), (56, 68), (29, 68), (67, 64), (33, 69), (80, 121), (110, 37), (38, 115), (45, 68), (116, 114), (44, 68), (5, 115), (120, 57), (43, 57), (81, 64), (105, 45), (66, 68), (84, 45), (125, 45), (35, 109), (18, 115), (8, 37), (60, 115), (23, 121), (103, 68), (30, 37), (46, 109)] current theta: 0.329009943263 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:52:53 2014 Optimize a model with 16771 rows, 16899 columns and 50181 nonzeros Presolve removed 12754 rows and 12755 columns Presolve time: 0.08s Presolved: 4017 rows, 4144 columns, 11918 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 4144 integer (4144 binary) Root relaxation: objective 0.000000e+00, 1186 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 (2155 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 [19, 36, 60, 62, 78, 85, 107, 109, 113, 115, 118, 126, 128] edges [(68, 118), (64, 118), (47, 19), (49, 115), (34, 126), (63, 78), (85, 85), (32, 107), (121, 36), (115, 126), (87, 109), (117, 118), (48, 126), (114, 36), (124, 126), (113, 128), (88, 62), (67, 115), (97, 62), (37, 118), (69, 19), (95, 60), (28, 107), (54, 115), (71, 126), (26, 128), (14, 128), (89, 118), (62, 78), (27, 128), (128, 128), (18, 107), (107, 115), (122, 78), (57, 115), (2, 118), (79, 128), (70, 109), (36, 36), (78, 36), (118, 118), (17, 126), (77, 128), (59, 118), (93, 118), (82, 126), (7, 126), (53, 115), (1, 115), (19, 128), (106, 128), (86, 78), (99, 62), (83, 78), (103, 128), (60, 36), (116, 128), (12, 128), (43, 126), (109, 19), (108, 126), (120, 115), (31, 118), (72, 128), (8, 128), (111, 78), (101, 128), (4, 118), (127, 126), (3, 78), (30, 115), (56, 115), (74, 107), (105, 115), (125, 126), (76, 115), (25, 126), (6, 78), (66, 78), (52, 115), (92, 128), (13, 60), (84, 36), (45, 126), (23, 62), (9, 107), (96, 126), (38, 126), (24, 118), (41, 115), (73, 109), (90, 78), (22, 128), (50, 118), (44, 128), (58, 36), (39, 126), (0, 85), (46, 78), (61, 115), (102, 36), (80, 78), (20, 128), (126, 126), (94, 128), (119, 109), (75, 78), (5, 128), (51, 78), (10, 126), (65, 78), (55, 128), (33, 78), (21, 78), (110, 128), (98, 126), (91, 128), (29, 118), (16, 126), (123, 78), (15, 126), (100, 118), (104, 128), (40, 115), (42, 62), (81, 118), (11, 78), (112, 128), (35, 62)] current theta: 0.164504971631 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:52:53 2014 Optimize a model with 16771 rows, 16899 columns and 50181 nonzeros Presolve removed 15424 rows and 15491 columns Presolve time: 0.02s Presolved: 1347 rows, 1408 columns, 3842 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1408 integer (1408 binary) Root relaxation: cutoff, 1527 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 (1527 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: 0.246757457447 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:52:53 2014 Optimize a model with 16771 rows, 16899 columns and 50181 nonzeros Presolve removed 14240 rows and 14244 columns Presolve time: 0.04s Presolved: 2531 rows, 2655 columns, 7457 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2655 integer (2655 binary) Root relaxation: objective 0.000000e+00, 1411 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 (2448 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 [42, 61, 67, 75, 78, 89, 92, 107, 116, 117, 122, 125, 127] edges [(124, 125), (61, 67), (21, 75), (44, 92), (77, 117), (15, 125), (68, 107), (56, 75), (55, 116), (122, 122), (8, 92), (108, 127), (34, 127), (104, 75), (31, 107), (110, 117), (62, 75), (106, 116), (84, 78), (17, 61), (117, 117), (29, 89), (10, 125), (115, 67), (86, 127), (97, 75), (59, 117), (125, 125), (30, 67), (92, 92), (118, 89), (105, 67), (6, 42), (43, 67), (23, 75), (16, 125), (98, 61), (25, 127), (71, 67), (81, 117), (82, 127), (48, 61), (37, 117), (18, 75), (35, 42), (121, 122), (85, 127), (114, 78), (58, 78), (49, 67), (9, 75), (54, 75), (7, 67), (72, 116), (116, 116), (26, 92), (101, 75), (11, 127), (39, 127), (36, 122), (79, 107), (100, 67), (65, 107), (32, 92), (60, 127), (93, 117), (41, 107), (66, 78), (96, 125), (40, 61), (14, 116), (20, 92), (112, 116), (42, 42), (64, 89), (27, 116), (28, 92), (22, 92), (1, 92), (69, 116), (74, 92), (90, 78), (12, 75), (113, 92), (38, 127), (95, 127), (111, 61), (76, 61), (83, 42), (80, 78), (46, 107), (75, 107), (103, 92), (128, 92), (63, 122), (67, 61), (33, 75), (5, 117), (50, 117), (13, 127), (51, 78), (120, 67), (89, 89), (107, 75), (91, 117), (73, 116), (3, 42), (126, 127), (45, 67), (88, 92), (127, 127), (119, 116), (2, 117), (4, 89), (0, 127), (102, 78), (123, 127), (47, 42), (24, 89), (53, 67), (94, 92), (70, 116), (99, 75), (78, 78), (109, 116), (19, 116), (57, 107), (52, 89), (87, 116)] current theta: 0.205631214539 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:52:53 2014 Optimize a model with 16771 rows, 16899 columns and 50181 nonzeros Presolve removed 14878 rows and 14893 columns Presolve time: 0.03s Presolved: 1893 rows, 2006 columns, 5532 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 2006 integer (2006 binary) Root relaxation: objective 1.776357e-15, 1627 iterations, 0.04 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00000 0 56 - 0.00000 - - 0s 0 0 0.00000 0 56 - 0.00000 - - 0s * 0 0 0 0.0000000 0.00000 0.00% - 0s Cutting planes: Gomory: 1 Zero half: 3 Explored 0 nodes (5649 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 [31, 32, 50, 60, 63, 70, 78, 99, 107, 115, 126, 127, 128] edges [(122, 63), (45, 115), (22, 32), (49, 115), (28, 32), (120, 126), (77, 32), (108, 127), (42, 99), (36, 63), (34, 127), (100, 115), (48, 126), (124, 126), (123, 60), (67, 115), (88, 107), (37, 50), (91, 32), (50, 50), (107, 107), (68, 31), (113, 107), (86, 127), (26, 128), (56, 107), (52, 31), (73, 70), (14, 128), (62, 78), (27, 128), (24, 50), (128, 128), (114, 60), (18, 107), (80, 60), (17, 126), (63, 63), (19, 70), (87, 70), (61, 126), (69, 70), (74, 31), (12, 99), (112, 70), (82, 127), (53, 115), (98, 115), (4, 50), (105, 107), (54, 60), (106, 128), (85, 127), (103, 128), (33, 99), (43, 126), (90, 63), (116, 70), (72, 128), (58, 78), (8, 128), (30, 115), (11, 127), (10, 115), (39, 127), (92, 32), (64, 50), (79, 107), (65, 107), (125, 126), (76, 115), (25, 126), (97, 99), (41, 107), (117, 50), (119, 70), (66, 78), (29, 115), (71, 115), (70, 70), (99, 99), (115, 115), (109, 70), (9, 107), (111, 127), (96, 126), (2, 50), (110, 32), (101, 99), (81, 50), (38, 127), (44, 128), (6, 99), (95, 127), (55, 70), (23, 99), (7, 115), (20, 128), (47, 99), (60, 78), (46, 107), (75, 107), (126, 126), (83, 99), (1, 32), (94, 128), (5, 128), (13, 127), (35, 99), (15, 115), (121, 63), (3, 99), (51, 60), (59, 50), (21, 99), (93, 32), (84, 127), (127, 127), (89, 50), (16, 126), (31, 31), (104, 128), (118, 50), (40, 115), (0, 127), (102, 78), (32, 32), (78, 78), (57, 107)] current theta: 0.185068093085 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:52:54 2014 Optimize a model with 16771 rows, 16899 columns and 50181 nonzeros Presolve removed 15196 rows and 15230 columns Presolve time: 0.02s Presolved: 1575 rows, 1669 columns, 4559 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1669 integer (1669 binary) Root relaxation: objective 1.421085e-14, 1692 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 (2650 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 [27, 29, 39, 48, 50, 51, 57, 63, 70, 77, 97, 102, 125] edges [(32, 77), (75, 97), (122, 63), (79, 97), (124, 125), (98, 125), (120, 125), (1, 57), (3, 102), (127, 39), (128, 27), (114, 39), (103, 57), (33, 102), (68, 57), (36, 63), (28, 77), (101, 97), (20, 27), (52, 29), (37, 50), (77, 77), (66, 51), (50, 50), (27, 27), (34, 125), (10, 125), (73, 70), (125, 125), (30, 48), (17, 125), (24, 50), (7, 125), (90, 102), (38, 39), (60, 51), (21, 102), (97, 97), (63, 63), (83, 102), (19, 70), (57, 57), (100, 29), (87, 70), (47, 70), (69, 70), (11, 51), (104, 97), (43, 125), (107, 57), (13, 39), (6, 102), (61, 125), (102, 102), (4, 50), (35, 102), (93, 50), (67, 48), (39, 39), (9, 97), (74, 29), (53, 29), (115, 29), (8, 27), (116, 70), (51, 51), (48, 48), (105, 29), (54, 51), (95, 39), (64, 50), (25, 48), (12, 97), (82, 39), (71, 29), (117, 50), (119, 70), (94, 77), (96, 125), (44, 27), (76, 29), (91, 77), (86, 39), (18, 97), (112, 27), (70, 70), (15, 48), (109, 70), (108, 125), (23, 102), (2, 50), (14, 27), (26, 97), (0, 39), (78, 51), (58, 39), (110, 77), (29, 29), (81, 50), (65, 51), (62, 51), (106, 27), (55, 70), (84, 39), (126, 125), (41, 57), (40, 29), (46, 51), (88, 97), (56, 51), (45, 48), (5, 77), (92, 57), (99, 102), (121, 63), (31, 29), (123, 39), (59, 50), (85, 39), (22, 77), (80, 102), (72, 27), (42, 102), (89, 50), (118, 50), (111, 39), (16, 48), (49, 125), (113, 57)] current theta: 0.174786532358 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:52:54 2014 Optimize a model with 16771 rows, 16899 columns and 50181 nonzeros Presolve removed 15310 rows and 15358 columns Presolve time: 0.02s Presolved: 1461 rows, 1541 columns, 4203 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1541 integer (1541 binary) Root relaxation: cutoff, 1617 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 (1617 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: 0.179927312722 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:52:54 2014 Optimize a model with 16771 rows, 16899 columns and 50181 nonzeros Presolve removed 15254 rows and 15290 columns Presolve time: 0.02s Presolved: 1517 rows, 1609 columns, 4383 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1609 integer (1609 binary) Root relaxation: objective 0.000000e+00, 1806 iterations, 0.06 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 (2876 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 [1, 2, 39, 43, 51, 53, 63, 67, 88, 94, 102, 112, 116] edges [(53, 53), (122, 63), (61, 67), (9, 88), (75, 88), (125, 43), (76, 53), (44, 94), (126, 43), (3, 102), (127, 39), (105, 53), (11, 39), (114, 39), (33, 102), (64, 2), (36, 63), (16, 67), (109, 112), (4, 2), (106, 116), (117, 2), (87, 112), (59, 2), (110, 94), (66, 51), (10, 67), (20, 94), (41, 1), (100, 53), (25, 67), (115, 67), (5, 94), (79, 88), (55, 112), (30, 67), (96, 43), (2, 2), (107, 88), (22, 94), (90, 102), (38, 39), (60, 51), (31, 1), (21, 102), (63, 63), (40, 53), (83, 102), (97, 88), (71, 67), (34, 43), (13, 39), (6, 102), (102, 102), (35, 102), (39, 39), (81, 2), (108, 43), (51, 51), (49, 67), (7, 67), (89, 2), (72, 116), (118, 2), (17, 43), (116, 116), (91, 94), (54, 51), (57, 88), (95, 39), (8, 94), (68, 1), (77, 94), (82, 39), (15, 67), (43, 43), (37, 2), (101, 116), (50, 2), (92, 94), (12, 88), (86, 39), (112, 116), (98, 67), (23, 102), (26, 88), (103, 88), (0, 39), (78, 51), (58, 39), (52, 53), (113, 1), (65, 51), (48, 67), (62, 51), (73, 112), (84, 39), (28, 94), (14, 112), (88, 88), (46, 51), (27, 112), (56, 51), (24, 2), (29, 53), (19, 112), (69, 112), (120, 67), (99, 102), (121, 63), (74, 1), (128, 94), (67, 67), (123, 39), (18, 88), (124, 43), (32, 2), (104, 116), (85, 39), (94, 94), (45, 67), (80, 102), (1, 1), (42, 102), (119, 116), (111, 39), (70, 116), (47, 116), (93, 2)] current theta: 0.17735692254 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:52:54 2014 Optimize a model with 16771 rows, 16899 columns and 50181 nonzeros Presolve removed 15282 rows and 15323 columns Presolve time: 0.02s Presolved: 1489 rows, 1576 columns, 4294 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1576 integer (1576 binary) Root relaxation: cutoff, 1647 iterations, 0.05 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 (1647 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: 0.178642117631 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:52:54 2014 Optimize a model with 16771 rows, 16899 columns and 50181 nonzeros Presolve removed 15266 rows and 15304 columns Presolve time: 0.02s Presolved: 1505 rows, 1595 columns, 4345 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1595 integer (1595 binary) Root relaxation: cutoff, 1682 iterations, 0.05 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 (1682 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: 0.179284715176 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:52:54 2014 Optimize a model with 16771 rows, 16899 columns and 50181 nonzeros Presolve removed 15264 rows and 15302 columns Presolve time: 0.02s Presolved: 1507 rows, 1597 columns, 4351 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1597 integer (1597 binary) Root relaxation: cutoff, 1782 iterations, 0.05 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 (1782 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: 0.179606013949 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:52:54 2014 Optimize a model with 16771 rows, 16899 columns and 50181 nonzeros Presolve removed 15258 rows and 15295 columns Presolve time: 0.02s Presolved: 1513 rows, 1604 columns, 4370 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1604 integer (1604 binary) Root relaxation: cutoff, 1747 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 (1747 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: 0.179766663335 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:52:54 2014 Optimize a model with 16771 rows, 16899 columns and 50181 nonzeros Presolve removed 15256 rows and 15293 columns Presolve time: 0.02s Presolved: 1515 rows, 1606 columns, 4376 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 1606 integer (1606 binary) Root relaxation: cutoff, 161 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 (161 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 [1, 2, 39, 43, 51, 53, 63, 67, 88, 94, 102, 112, 116] edges [(53, 53), (122, 63), (61, 67), (9, 88), (75, 88), (125, 43), (76, 53), (44, 94), (126, 43), (3, 102), (127, 39), (105, 53), (11, 39), (114, 39), (33, 102), (64, 2), (36, 63), (16, 67), (109, 112), (4, 2), (106, 116), (117, 2), (87, 112), (59, 2), (110, 94), (66, 51), (10, 67), (20, 94), (41, 1), (100, 53), (25, 67), (115, 67), (5, 94), (79, 88), (55, 112), (30, 67), (96, 43), (2, 2), (107, 88), (22, 94), (90, 102), (38, 39), (60, 51), (31, 1), (21, 102), (63, 63), (40, 53), (83, 102), (97, 88), (71, 67), (34, 43), (13, 39), (6, 102), (102, 102), (35, 102), (39, 39), (81, 2), (108, 43), (51, 51), (49, 67), (7, 67), (89, 2), (72, 116), (118, 2), (17, 43), (116, 116), (91, 94), (54, 51), (57, 88), (95, 39), (8, 94), (68, 1), (77, 94), (82, 39), (15, 67), (43, 43), (37, 2), (101, 116), (50, 2), (92, 94), (12, 88), (86, 39), (112, 116), (98, 67), (23, 102), (26, 88), (103, 88), (0, 39), (78, 51), (58, 39), (52, 53), (113, 1), (65, 51), (48, 67), (62, 51), (73, 112), (84, 39), (28, 94), (14, 112), (88, 88), (46, 51), (27, 112), (56, 51), (24, 2), (29, 53), (19, 112), (69, 112), (120, 67), (99, 102), (121, 63), (74, 1), (128, 94), (67, 67), (123, 39), (18, 88), (124, 43), (32, 2), (104, 116), (85, 39), (94, 94), (45, 67), (80, 102), (1, 1), (42, 102), (119, 116), (111, 39), (70, 116), (47, 116), (93, 2)] current theta: 0.179686338642 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 22:52:55 2014 Optimize a model with 16771 rows, 16899 columns and 50181 nonzeros Presolve removed 15258 rows and 15295 columns Presolve time: 0.02s Presolved: 1513 rows, 1604 columns, 4370 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1604 integer (1604 binary) Root relaxation: cutoff, 1747 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 (1747 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 -