current theta: 0.663477610279 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 23:07:11 2012 Optimize a model with 2863 rows, 2915 columns and 8533 nonzeros Presolve removed 1124 rows and 1124 columns Presolve time: 0.02s Presolved: 1739 rows, 1791 columns, 5161 nonzeros Variable types: 0 continuous, 1791 integer (1791 binary) Root relaxation: objective 0.000000e+00, 356 iterations, 0.01 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 (779 simplex iterations) in 0.04 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 [12, 16, 30, 34, 44, 50] edges [(36, 34), (44, 34), (33, 34), (9, 50), (17, 50), (26, 34), (32, 34), (49, 50), (42, 50), (22, 50), (35, 50), (52, 34), (8, 30), (23, 50), (7, 34), (12, 34), (3, 34), (27, 30), (21, 16), (16, 34), (34, 16), (38, 12), (19, 30), (2, 12), (43, 34), (20, 34), (28, 34), (4, 50), (48, 34), (45, 50), (50, 50), (41, 12), (5, 30), (31, 50), (24, 34), (29, 50), (51, 34), (14, 50), (39, 30), (10, 34), (18, 34), (40, 50), (15, 50), (25, 50), (1, 34), (37, 34), (46, 50), (13, 50), (47, 30), (6, 50), (30, 30), (0, 34), (11, 44)] current theta: 0.33173880514 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 23:07:11 2012 Optimize a model with 2863 rows, 2915 columns and 8533 nonzeros Presolve removed 2194 rows and 2194 columns Presolve time: 0.01s Presolved: 669 rows, 721 columns, 1951 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 721 integer (721 binary) Root relaxation: objective 0.000000e+00, 389 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 (699 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 [26, 28, 29, 35, 51, 52] edges [(4, 35), (22, 35), (47, 52), (26, 26), (0, 35), (44, 26), (12, 51), (5, 52), (33, 52), (9, 35), (41, 29), (17, 29), (10, 52), (24, 52), (40, 35), (39, 35), (37, 52), (49, 35), (25, 29), (15, 35), (36, 28), (3, 52), (35, 35), (6, 29), (11, 51), (48, 51), (8, 52), (28, 28), (46, 29), (30, 52), (2, 35), (34, 52), (23, 26), (38, 35), (32, 51), (14, 35), (21, 51), (45, 29), (18, 28), (19, 52), (27, 52), (52, 52), (13, 29), (50, 29), (1, 35), (29, 29), (42, 29), (31, 35), (7, 51), (16, 28), (51, 51), (43, 28), (20, 52)] current theta: 0.16586940257 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 23:07:11 2012 Optimize a model with 2863 rows, 2915 columns and 8533 nonzeros Presolve removed 2590 rows and 2590 columns Presolve time: 0.00s Presolved: 273 rows, 325 columns, 765 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 325 integer (325 binary) Root relaxation: cutoff, 304 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 (304 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: 0.248804103855 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 23:07:11 2012 Optimize a model with 2863 rows, 2915 columns and 8533 nonzeros Presolve removed 2390 rows and 2390 columns Presolve time: 0.00s Presolved: 473 rows, 525 columns, 1363 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 525 integer (525 binary) Root relaxation: cutoff, 529 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 (529 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: 0.290271454497 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 23:07:11 2012 Optimize a model with 2863 rows, 2915 columns and 8533 nonzeros Presolve removed 2308 rows and 2308 columns Presolve time: 0.01s Presolved: 555 rows, 607 columns, 1609 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 607 integer (607 binary) Root relaxation: objective 0.000000e+00, 485 iterations, 0.01 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 (485 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 [7, 15, 22, 26, 45, 52] edges [(40, 22), (38, 22), (6, 45), (26, 26), (49, 15), (44, 26), (21, 45), (5, 52), (7, 7), (33, 52), (35, 22), (4, 15), (10, 52), (36, 26), (12, 7), (9, 15), (47, 7), (45, 45), (28, 26), (1, 22), (3, 52), (32, 45), (37, 22), (8, 52), (25, 45), (34, 7), (30, 52), (0, 22), (48, 26), (23, 26), (16, 26), (13, 45), (50, 45), (19, 52), (27, 52), (52, 52), (43, 26), (2, 22), (31, 22), (46, 45), (51, 7), (42, 15), (11, 45), (15, 22), (29, 45), (22, 15), (41, 45), (17, 45), (39, 22), (14, 15), (18, 26), (20, 52), (24, 7)] current theta: 0.269537779176 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 23:07:11 2012 Optimize a model with 2863 rows, 2915 columns and 8533 nonzeros Presolve removed 2356 rows and 2356 columns Presolve time: 0.01s Presolved: 507 rows, 559 columns, 1465 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 559 integer (559 binary) Root relaxation: cutoff, 553 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 (553 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: 0.279904616837 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 23:07:11 2012 Optimize a model with 2863 rows, 2915 columns and 8533 nonzeros Presolve removed 2332 rows and 2332 columns Presolve time: 0.01s Presolved: 531 rows, 583 columns, 1537 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 583 integer (583 binary) Root relaxation: objective 0.000000e+00, 531 iterations, 0.01 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 (531 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 [2, 4, 17, 18, 20, 26] edges [(3, 2), (40, 4), (19, 20), (36, 18), (30, 20), (42, 17), (15, 4), (21, 17), (37, 2), (27, 20), (52, 20), (22, 2), (44, 18), (28, 26), (45, 17), (20, 20), (33, 2), (12, 18), (13, 17), (50, 17), (41, 17), (47, 20), (1, 2), (11, 17), (48, 26), (23, 26), (29, 17), (9, 4), (7, 18), (16, 26), (10, 20), (0, 2), (4, 4), (38, 4), (25, 17), (32, 17), (51, 18), (31, 4), (46, 17), (5, 20), (17, 17), (8, 20), (39, 2), (43, 18), (49, 2), (24, 20), (34, 20), (35, 2), (14, 4), (26, 18), (18, 26), (2, 2), (6, 17)] current theta: 0.274721198006 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 23:07:11 2012 Optimize a model with 2863 rows, 2915 columns and 8533 nonzeros Presolve removed 2342 rows and 2342 columns Presolve time: 0.01s Presolved: 521 rows, 573 columns, 1507 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 573 integer (573 binary) Root relaxation: cutoff, 566 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 (566 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: 0.277312907421 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 23:07:11 2012 Optimize a model with 2863 rows, 2915 columns and 8533 nonzeros Presolve removed 2336 rows and 2336 columns Presolve time: 0.01s Presolved: 527 rows, 579 columns, 1525 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 579 integer (579 binary) Root relaxation: objective 0.000000e+00, 567 iterations, 0.01 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 (567 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 [2, 4, 17, 18, 20, 26] edges [(3, 2), (40, 4), (19, 20), (36, 18), (30, 20), (26, 26), (18, 18), (42, 17), (15, 4), (21, 17), (37, 2), (27, 20), (52, 20), (22, 2), (44, 18), (28, 26), (45, 17), (1, 4), (20, 20), (33, 2), (12, 18), (13, 17), (50, 17), (41, 17), (47, 20), (11, 17), (48, 26), (23, 26), (29, 17), (9, 4), (7, 18), (16, 26), (10, 20), (0, 2), (4, 4), (25, 17), (32, 17), (51, 18), (31, 4), (46, 17), (38, 2), (5, 20), (17, 17), (8, 20), (39, 2), (43, 18), (49, 2), (24, 20), (34, 20), (35, 2), (14, 4), (2, 2), (6, 17)] current theta: 0.276017052714 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 23:07:11 2012 Optimize a model with 2863 rows, 2915 columns and 8533 nonzeros Presolve removed 2336 rows and 2336 columns Presolve time: 0.01s Presolved: 527 rows, 579 columns, 1525 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 579 integer (579 binary) Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 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 [2, 4, 17, 18, 20, 26] edges [(3, 2), (40, 4), (19, 20), (36, 18), (30, 20), (26, 26), (18, 18), (42, 17), (15, 4), (21, 17), (37, 2), (27, 20), (52, 20), (22, 2), (44, 18), (28, 26), (45, 17), (1, 4), (20, 20), (33, 2), (12, 18), (13, 17), (50, 17), (41, 17), (47, 20), (11, 17), (48, 26), (23, 26), (29, 17), (9, 4), (7, 18), (16, 26), (10, 20), (0, 2), (4, 4), (25, 17), (32, 17), (51, 18), (31, 4), (46, 17), (38, 2), (5, 20), (17, 17), (8, 20), (39, 2), (43, 18), (49, 2), (24, 20), (34, 20), (35, 2), (14, 4), (2, 2), (6, 17)] current theta: 0.27536912536 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 23:07:11 2012 Optimize a model with 2863 rows, 2915 columns and 8533 nonzeros Presolve removed 2342 rows and 2342 columns Presolve time: 0.01s Presolved: 521 rows, 573 columns, 1507 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 573 integer (573 binary) Root relaxation: cutoff, 566 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 (566 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: 0.275693089037 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 23:07:11 2012 Optimize a model with 2863 rows, 2915 columns and 8533 nonzeros Presolve removed 2338 rows and 2338 columns Presolve time: 0.01s Presolved: 525 rows, 577 columns, 1519 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 577 integer (577 binary) Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 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 [2, 4, 17, 18, 20, 26] edges [(3, 2), (40, 4), (19, 20), (36, 18), (30, 20), (26, 26), (18, 18), (42, 17), (15, 4), (21, 17), (37, 2), (27, 20), (52, 20), (22, 2), (44, 18), (28, 26), (45, 17), (1, 4), (20, 20), (33, 2), (12, 18), (13, 17), (50, 17), (41, 17), (47, 20), (11, 17), (48, 26), (23, 26), (29, 17), (9, 4), (7, 18), (16, 26), (10, 20), (0, 2), (4, 4), (25, 17), (32, 17), (51, 18), (31, 4), (46, 17), (38, 2), (5, 20), (17, 17), (8, 20), (39, 2), (43, 18), (49, 2), (24, 20), (34, 20), (35, 2), (14, 4), (2, 2), (6, 17)] current theta: 0.275531107199 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 23:07:11 2012 Optimize a model with 2863 rows, 2915 columns and 8533 nonzeros Presolve removed 2340 rows and 2340 columns Presolve time: 0.01s Presolved: 523 rows, 575 columns, 1513 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 575 integer (575 binary) Root relaxation: cutoff, 559 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 (559 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: 0.275612098118 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 23:07:11 2012 Optimize a model with 2863 rows, 2915 columns and 8533 nonzeros Presolve removed 2340 rows and 2340 columns Presolve time: 0.01s Presolved: 523 rows, 575 columns, 1513 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 575 integer (575 binary) Root relaxation: cutoff, 559 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 (559 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 -