current theta: 0.660728107246 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:37:50 2014 Optimize a model with 20307 rows, 20448 columns and 60776 nonzeros Presolve removed 6234 rows and 6234 columns Presolve time: 0.29s Presolved: 14073 rows, 14214 columns, 42074 nonzeros Variable types: 0 continuous, 14214 integer (14214 binary) Root relaxation: objective 0.000000e+00, 1383 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 (3290 simplex iterations) in 0.50 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, 4, 6, 19, 29, 42, 46, 69, 71, 83, 104, 121, 124, 125, 129] edges [(40, 4), (124, 125), (76, 124), (14, 104), (3, 46), (7, 124), (4, 124), (138, 69), (10, 124), (57, 104), (71, 125), (83, 69), (111, 69), (55, 19), (88, 129), (131, 46), (140, 6), (16, 124), (75, 42), (0, 71), (127, 104), (81, 46), (109, 83), (50, 71), (37, 29), (117, 1), (20, 124), (34, 46), (22, 71), (28, 83), (141, 46), (58, 71), (133, 124), (51, 6), (94, 104), (66, 42), (136, 19), (25, 4), (95, 83), (112, 83), (18, 129), (6, 42), (15, 46), (32, 29), (63, 104), (84, 19), (21, 83), (126, 71), (9, 19), (107, 69), (26, 83), (87, 19), (5, 46), (65, 125), (108, 71), (91, 124), (128, 129), (30, 71), (33, 104), (93, 46), (69, 69), (43, 124), (114, 71), (97, 104), (110, 125), (42, 104), (85, 71), (49, 4), (11, 125), (47, 83), (119, 69), (73, 83), (36, 69), (106, 129), (1, 125), (134, 46), (29, 71), (86, 104), (67, 124), (92, 121), (96, 124), (102, 6), (19, 104), (104, 104), (35, 46), (68, 46), (100, 4), (53, 125), (121, 69), (137, 46), (46, 19), (129, 129), (60, 124), (27, 46), (70, 19), (56, 46), (41, 69), (72, 71), (52, 124), (132, 19), (80, 19), (31, 104), (62, 46), (135, 19), (122, 19), (89, 4), (116, 104), (90, 6), (118, 4), (39, 129), (78, 104), (45, 71), (103, 6), (59, 125), (123, 125), (77, 4), (38, 125), (99, 19), (17, 124), (115, 46), (8, 6), (120, 104), (113, 4), (74, 125), (130, 42), (105, 46), (64, 104), (82, 29), (98, 124), (125, 46), (13, 124), (79, 124), (54, 71), (24, 125), (2, 71), (44, 42), (12, 83), (23, 121), (61, 104), (101, 121), (139, 104), (48, 46)] current theta: 0.330364053623 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:37:51 2014 Optimize a model with 20307 rows, 20448 columns and 60776 nonzeros Presolve removed 15282 rows and 15282 columns Presolve time: 0.12s Presolved: 5025 rows, 5166 columns, 14930 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 5166 integer (5166 binary) Root relaxation: objective 0.000000e+00, 1169 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 (2508 simplex iterations) in 0.21 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, 46, 61, 69, 72, 80, 81, 82, 83, 85, 93, 108, 119, 127, 130] edges [(90, 42), (99, 46), (34, 93), (100, 93), (87, 119), (130, 127), (116, 42), (43, 61), (41, 85), (125, 93), (85, 85), (81, 93), (24, 93), (93, 93), (67, 108), (141, 85), (36, 83), (10, 61), (29, 130), (115, 93), (17, 61), (94, 130), (92, 46), (109, 83), (23, 83), (98, 82), (105, 93), (15, 93), (128, 130), (22, 130), (137, 93), (61, 93), (83, 72), (132, 80), (80, 80), (112, 83), (6, 42), (104, 80), (126, 85), (11, 93), (53, 61), (21, 83), (19, 42), (75, 80), (14, 80), (31, 93), (63, 119), (124, 93), (45, 82), (78, 42), (35, 83), (9, 42), (55, 80), (114, 85), (60, 42), (89, 61), (4, 108), (18, 130), (38, 108), (7, 93), (68, 93), (108, 85), (86, 85), (96, 93), (140, 119), (37, 93), (3, 83), (44, 80), (47, 83), (73, 83), (138, 85), (88, 80), (95, 82), (62, 85), (97, 80), (20, 46), (139, 80), (111, 85), (91, 127), (48, 82), (103, 93), (117, 93), (40, 61), (30, 82), (57, 93), (1, 93), (127, 85), (66, 80), (42, 42), (2, 85), (26, 69), (49, 61), (106, 80), (50, 82), (136, 72), (56, 93), (107, 127), (0, 85), (13, 93), (74, 93), (65, 85), (59, 93), (120, 93), (135, 85), (71, 82), (33, 119), (101, 72), (122, 119), (102, 119), (16, 61), (69, 72), (8, 127), (77, 85), (32, 85), (54, 130), (58, 85), (134, 93), (133, 61), (27, 119), (82, 85), (76, 93), (118, 61), (131, 93), (51, 80), (129, 80), (70, 119), (72, 83), (79, 80), (64, 81), (46, 80), (119, 119), (25, 85), (121, 83), (113, 85), (5, 85), (39, 85), (110, 85), (12, 83), (84, 46), (123, 130), (52, 61), (28, 85)] current theta: 0.165182026812 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:37:51 2014 Optimize a model with 20307 rows, 20448 columns and 60776 nonzeros Presolve removed 18602 rows and 18652 columns Presolve time: 0.03s Presolved: 1705 rows, 1796 columns, 4920 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1796 integer (1796 binary) Root relaxation: objective 0.000000e+00, 1622 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 (1622 simplex iterations) in 0.07 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, 26, 43, 45, 57, 82, 87, 94, 97, 112, 115, 131, 136, 139, 141] edges [(56, 57), (29, 43), (49, 43), (126, 43), (1, 57), (66, 139), (35, 112), (76, 131), (4, 45), (70, 87), (103, 57), (118, 43), (40, 43), (119, 87), (109, 112), (105, 131), (51, 97), (131, 131), (20, 94), (130, 94), (6, 19), (114, 26), (63, 87), (86, 141), (68, 115), (101, 112), (122, 87), (121, 112), (31, 115), (108, 45), (46, 139), (22, 94), (138, 141), (3, 112), (55, 87), (26, 26), (62, 139), (135, 136), (117, 131), (97, 97), (32, 141), (12, 26), (61, 131), (21, 26), (57, 57), (60, 97), (34, 131), (104, 97), (67, 45), (0, 82), (84, 139), (91, 57), (19, 19), (50, 45), (16, 131), (9, 97), (41, 141), (5, 141), (45, 45), (95, 82), (90, 19), (85, 141), (78, 97), (33, 136), (14, 97), (127, 141), (129, 19), (17, 43), (139, 139), (8, 94), (133, 43), (112, 112), (15, 131), (44, 139), (141, 141), (75, 139), (43, 43), (102, 136), (24, 115), (89, 43), (79, 139), (136, 136), (107, 82), (58, 136), (30, 82), (65, 26), (124, 131), (23, 26), (115, 115), (52, 43), (125, 131), (54, 141), (18, 94), (92, 141), (81, 115), (123, 139), (74, 115), (83, 112), (128, 139), (106, 139), (100, 131), (99, 97), (110, 82), (80, 97), (13, 57), (73, 112), (132, 57), (38, 141), (28, 94), (98, 45), (59, 131), (7, 115), (10, 43), (53, 43), (113, 82), (96, 115), (134, 115), (39, 94), (37, 115), (69, 112), (2, 43), (47, 112), (116, 139), (137, 115), (64, 115), (72, 26), (25, 82), (87, 87), (94, 94), (111, 82), (48, 43), (120, 131), (82, 82), (27, 136), (36, 112), (77, 82), (88, 139), (93, 115), (140, 139), (42, 19), (71, 45), (11, 57)] current theta: 0.0825910134058 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:37:51 2014 Optimize a model with 20307 rows, 20448 columns and 60776 nonzeros Presolve removed 19640 rows and 19781 columns Presolve time: 0.02s Presolved: 667 rows, 667 columns, 1735 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 667 integer (666 binary) Root relaxation: cutoff, 338 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 (338 simplex iterations) in 0.02 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.123886520109 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:37:51 2014 Optimize a model with 20307 rows, 20448 columns and 60776 nonzeros Presolve removed 19178 rows and 19293 columns Presolve time: 0.02s Presolved: 1129 rows, 1155 columns, 3129 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1155 integer (1155 binary) Root relaxation: cutoff, 1223 iterations, 0.01 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 (1223 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: 0.14453427346 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:37:52 2014 Optimize a model with 20307 rows, 20448 columns and 60776 nonzeros Presolve removed 18916 rows and 19003 columns Presolve time: 0.02s Presolved: 1391 rows, 1445 columns, 3941 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1445 integer (1445 binary) Root relaxation: cutoff, 1659 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 (1659 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: 0.154858150136 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:37:52 2014 Optimize a model with 20307 rows, 20448 columns and 60776 nonzeros Presolve removed 18782 rows and 18855 columns Presolve time: 0.03s Presolved: 1525 rows, 1593 columns, 4357 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1593 integer (1593 binary) Root relaxation: cutoff, 1746 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 (1746 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: 0.160020088474 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:37:52 2014 Optimize a model with 20307 rows, 20448 columns and 60776 nonzeros Presolve removed 18704 rows and 18767 columns Presolve time: 0.03s Presolved: 1603 rows, 1681 columns, 4601 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1681 integer (1681 binary) Root relaxation: cutoff, 1902 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 (1902 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: 0.162601057643 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:37:52 2014 Optimize a model with 20307 rows, 20448 columns and 60776 nonzeros Presolve removed 18660 rows and 18717 columns Presolve time: 0.03s Presolved: 1647 rows, 1731 columns, 4739 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1731 integer (1731 binary) Root relaxation: cutoff, 1817 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 (1817 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: 0.163891542227 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:37:52 2014 Optimize a model with 20307 rows, 20448 columns and 60776 nonzeros Presolve removed 18636 rows and 18691 columns Presolve time: 0.03s Presolved: 1671 rows, 1757 columns, 4813 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1757 integer (1757 binary) Root relaxation: cutoff, 1903 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 (1903 simplex iterations) in 0.08 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap - current theta: 0.164536784519 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:37:52 2014 Optimize a model with 20307 rows, 20448 columns and 60776 nonzeros Presolve removed 18608 rows and 18659 columns Presolve time: 0.03s Presolved: 1699 rows, 1789 columns, 4901 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1789 integer (1789 binary) Root relaxation: objective 0.000000e+00, 1727 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 (1727 simplex iterations) in 0.07 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 [26, 43, 50, 57, 82, 87, 94, 97, 112, 115, 129, 131, 136, 139, 141] edges [(59, 115), (56, 57), (29, 43), (49, 43), (126, 43), (1, 57), (66, 139), (35, 112), (76, 131), (70, 87), (103, 57), (118, 43), (40, 43), (119, 87), (109, 112), (105, 131), (51, 97), (131, 131), (50, 50), (20, 94), (130, 94), (114, 26), (63, 87), (86, 141), (68, 115), (101, 112), (6, 129), (122, 87), (121, 112), (19, 129), (31, 115), (46, 139), (22, 94), (138, 141), (3, 112), (55, 87), (26, 26), (62, 139), (135, 136), (117, 131), (97, 97), (32, 141), (12, 26), (61, 131), (21, 26), (57, 57), (60, 97), (34, 131), (104, 97), (45, 50), (4, 50), (0, 82), (84, 139), (91, 57), (16, 131), (9, 97), (41, 141), (134, 131), (5, 141), (42, 129), (95, 82), (67, 50), (85, 141), (78, 97), (33, 136), (14, 97), (127, 141), (17, 43), (139, 139), (8, 94), (133, 43), (112, 112), (15, 131), (108, 82), (44, 139), (141, 141), (75, 139), (43, 43), (102, 136), (90, 139), (24, 115), (89, 43), (79, 139), (136, 136), (107, 82), (129, 129), (58, 136), (30, 82), (65, 26), (124, 131), (23, 26), (115, 115), (52, 43), (125, 131), (54, 141), (18, 94), (98, 50), (92, 141), (81, 115), (123, 139), (74, 115), (83, 112), (128, 139), (106, 139), (100, 131), (99, 97), (132, 97), (110, 82), (80, 97), (13, 57), (73, 112), (38, 141), (28, 94), (7, 115), (10, 43), (53, 43), (113, 82), (96, 115), (39, 94), (37, 115), (69, 112), (2, 43), (47, 112), (116, 139), (137, 115), (64, 115), (72, 26), (25, 82), (87, 87), (94, 94), (111, 82), (48, 43), (120, 131), (82, 82), (71, 50), (27, 136), (36, 112), (77, 82), (88, 139), (93, 115), (140, 139), (11, 57)] current theta: 0.164214163373 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:37:52 2014 Optimize a model with 20307 rows, 20448 columns and 60776 nonzeros Presolve removed 18620 rows and 18672 columns Presolve time: 0.03s Presolved: 1687 rows, 1776 columns, 4864 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1776 integer (1776 binary) Root relaxation: objective 0.000000e+00, 1855 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 (3044 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 [13, 19, 22, 43, 45, 72, 73, 87, 97, 111, 115, 128, 131, 135, 140] edges [(86, 22), (84, 128), (13, 13), (29, 43), (49, 43), (126, 43), (76, 131), (4, 45), (70, 87), (26, 72), (54, 135), (118, 43), (40, 43), (119, 87), (35, 73), (85, 135), (21, 72), (91, 13), (105, 131), (51, 97), (58, 135), (131, 131), (6, 19), (63, 87), (128, 140), (47, 73), (92, 22), (68, 115), (122, 87), (31, 115), (83, 72), (27, 128), (108, 45), (3, 73), (41, 135), (55, 87), (23, 72), (117, 131), (97, 97), (61, 131), (60, 97), (113, 111), (34, 131), (123, 13), (127, 22), (104, 97), (62, 140), (103, 13), (67, 45), (66, 128), (73, 73), (19, 19), (50, 45), (16, 131), (139, 140), (111, 111), (9, 97), (56, 13), (134, 131), (25, 111), (45, 45), (90, 19), (8, 128), (0, 111), (78, 97), (14, 97), (129, 19), (30, 111), (38, 22), (17, 43), (136, 135), (109, 73), (133, 43), (15, 131), (46, 13), (22, 22), (11, 13), (43, 43), (112, 73), (135, 135), (106, 140), (24, 115), (18, 128), (32, 22), (89, 43), (116, 140), (124, 131), (5, 22), (115, 115), (52, 43), (33, 140), (125, 131), (81, 115), (95, 111), (138, 22), (74, 115), (12, 135), (72, 72), (140, 128), (100, 131), (99, 97), (107, 135), (102, 140), (132, 97), (44, 128), (80, 97), (28, 22), (57, 13), (121, 73), (98, 45), (114, 72), (59, 131), (130, 22), (1, 13), (7, 115), (39, 128), (110, 111), (141, 22), (79, 13), (10, 43), (20, 128), (53, 43), (96, 115), (75, 128), (69, 73), (65, 135), (37, 115), (2, 43), (101, 72), (137, 115), (64, 115), (87, 87), (48, 43), (88, 128), (94, 22), (120, 131), (36, 73), (77, 111), (82, 111), (93, 115), (42, 19), (71, 45)] current theta: 0.1640528528 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:37:53 2014 Optimize a model with 20307 rows, 20448 columns and 60776 nonzeros Presolve removed 18628 rows and 18680 columns Presolve time: 0.03s Presolved: 1679 rows, 1768 columns, 4840 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1768 integer (1768 binary) Root relaxation: objective 0.000000e+00, 1839 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 (1839 simplex iterations) in 0.07 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 [18, 19, 43, 50, 57, 63, 72, 73, 82, 97, 115, 131, 135, 140, 141] edges [(122, 63), (79, 97), (56, 57), (29, 43), (49, 43), (126, 43), (1, 57), (87, 63), (76, 131), (26, 72), (103, 57), (27, 140), (118, 43), (40, 43), (35, 73), (21, 72), (8, 18), (105, 131), (51, 97), (58, 135), (131, 131), (50, 50), (6, 19), (86, 141), (22, 141), (128, 140), (47, 73), (140, 140), (68, 115), (31, 115), (83, 72), (3, 73), (138, 141), (84, 18), (66, 18), (23, 72), (117, 131), (97, 97), (63, 63), (32, 141), (61, 131), (57, 57), (70, 63), (60, 97), (34, 131), (123, 97), (104, 97), (62, 140), (45, 50), (4, 50), (0, 82), (73, 73), (91, 57), (19, 19), (16, 131), (139, 140), (9, 97), (41, 141), (28, 141), (55, 140), (95, 82), (67, 50), (90, 19), (85, 141), (78, 97), (14, 97), (127, 141), (129, 19), (17, 43), (136, 135), (109, 73), (133, 43), (15, 131), (108, 82), (141, 141), (43, 43), (112, 73), (46, 97), (135, 135), (106, 140), (24, 115), (89, 43), (116, 140), (30, 82), (124, 131), (115, 115), (52, 43), (125, 131), (54, 141), (33, 63), (98, 50), (92, 141), (81, 115), (74, 115), (80, 19), (12, 135), (72, 72), (75, 18), (100, 131), (99, 97), (107, 135), (102, 140), (132, 97), (110, 82), (13, 57), (38, 141), (121, 73), (114, 72), (94, 18), (59, 131), (7, 115), (5, 18), (10, 43), (18, 18), (53, 43), (113, 82), (96, 115), (134, 115), (20, 18), (69, 73), (65, 135), (44, 18), (37, 115), (2, 43), (101, 72), (88, 18), (137, 115), (64, 115), (39, 18), (25, 82), (111, 82), (48, 43), (120, 131), (36, 73), (130, 18), (82, 82), (71, 50), (77, 82), (119, 63), (93, 115), (42, 19), (11, 57)] current theta: 0.163972197514 Gurobi 5.6.3 (linux64) logging started Tue Oct 7 23:37:53 2014 Optimize a model with 20307 rows, 20448 columns and 60776 nonzeros Presolve removed 18634 rows and 18688 columns Presolve time: 0.03s Presolved: 1673 rows, 1760 columns, 4820 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 1760 integer (1760 binary) Root relaxation: cutoff, 1796 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 (1796 simplex iterations) in 0.08 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e-01, gap -