current theta: 0.60749321453 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:34 2012 Optimize a model with 1191 rows, 1224 columns and 3536 nonzeros Presolve removed 458 rows and 458 columns Presolve time: 0.01s Presolved: 733 rows, 766 columns, 2162 nonzeros Variable types: 0 continuous, 766 integer (766 binary) Root relaxation: objective 0.000000e+00, 137 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 (137 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 [5, 22, 24, 33] edges [(1, 33), (28, 24), (29, 33), (33, 22), (8, 33), (10, 22), (21, 22), (12, 22), (27, 22), (15, 33), (22, 33), (4, 22), (20, 24), (13, 33), (19, 33), (32, 33), (7, 5), (18, 33), (30, 24), (6, 33), (11, 33), (23, 33), (2, 22), (5, 5), (31, 22), (24, 24), (25, 33), (14, 22), (26, 33), (3, 33), (17, 22), (0, 22), (16, 5), (9, 22)] current theta: 0.303746607265 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:34 2012 Optimize a model with 1191 rows, 1224 columns and 3536 nonzeros Presolve removed 898 rows and 898 columns Presolve time: 0.00s Presolved: 293 rows, 326 columns, 842 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 326 integer (326 binary) Root relaxation: cutoff, 312 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 (312 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: 0.455619910898 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:34 2012 Optimize a model with 1191 rows, 1224 columns and 3536 nonzeros Presolve removed 690 rows and 690 columns Presolve time: 0.00s Presolved: 501 rows, 534 columns, 1466 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 534 integer (534 binary) Root relaxation: objective 0.000000e+00, 293 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 (508 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 [17, 21, 23, 30] edges [(6, 23), (24, 21), (20, 21), (17, 17), (32, 23), (22, 17), (18, 17), (26, 21), (0, 30), (13, 23), (31, 30), (16, 17), (8, 17), (25, 17), (33, 30), (3, 23), (9, 30), (14, 21), (29, 23), (7, 17), (12, 21), (27, 23), (23, 23), (2, 17), (19, 23), (21, 21), (10, 30), (5, 17), (1, 23), (30, 21), (15, 17), (11, 17), (28, 21), (4, 30)] current theta: 0.379683259081 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:34 2012 Optimize a model with 1191 rows, 1224 columns and 3536 nonzeros Presolve removed 810 rows and 810 columns Presolve time: 0.00s Presolved: 381 rows, 414 columns, 1106 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 414 integer (414 binary) Root relaxation: objective 0.000000e+00, 319 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 (319 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 [12, 15, 27, 32] edges [(4, 12), (7, 15), (6, 32), (19, 27), (31, 27), (23, 32), (30, 12), (10, 12), (15, 15), (5, 15), (8, 27), (29, 32), (14, 12), (18, 27), (26, 15), (16, 15), (22, 15), (2, 15), (11, 27), (28, 12), (33, 27), (1, 32), (12, 12), (21, 12), (27, 27), (32, 32), (3, 27), (24, 12), (17, 15), (20, 12), (0, 12), (9, 12), (25, 27), (13, 27)] current theta: 0.341714933173 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:34 2012 Optimize a model with 1191 rows, 1224 columns and 3536 nonzeros Presolve removed 844 rows and 844 columns Presolve time: 0.00s Presolved: 347 rows, 380 columns, 1004 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 380 integer (380 binary) Root relaxation: objective 0.000000e+00, 260 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 (260 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 [1, 13, 15, 20] edges [(19, 13), (11, 15), (13, 13), (7, 15), (9, 20), (12, 20), (25, 13), (15, 15), (3, 13), (5, 15), (4, 20), (33, 20), (29, 20), (18, 15), (30, 20), (10, 20), (21, 20), (28, 20), (32, 1), (16, 15), (22, 15), (24, 20), (2, 15), (20, 20), (1, 1), (31, 20), (8, 13), (26, 20), (27, 13), (23, 13), (0, 20), (6, 13), (17, 15), (14, 20)] current theta: 0.322730770219 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:34 2012 Optimize a model with 1191 rows, 1224 columns and 3536 nonzeros Presolve removed 866 rows and 866 columns Presolve time: 0.00s Presolved: 325 rows, 358 columns, 938 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 358 integer (358 binary) Root relaxation: objective 0.000000e+00, 278 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 (278 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 [13, 15, 28, 32] edges [(21, 28), (11, 15), (13, 13), (7, 15), (24, 28), (20, 28), (0, 28), (25, 13), (15, 15), (5, 15), (22, 28), (18, 15), (29, 32), (3, 32), (26, 15), (16, 15), (2, 15), (12, 28), (14, 28), (8, 13), (1, 32), (33, 28), (9, 28), (27, 13), (23, 13), (28, 28), (32, 32), (6, 13), (4, 28), (17, 15), (19, 32), (30, 28), (31, 32), (10, 28)] current theta: 0.313238688742 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:34 2012 Optimize a model with 1191 rows, 1224 columns and 3536 nonzeros Presolve removed 882 rows and 882 columns Presolve time: 0.00s Presolved: 309 rows, 342 columns, 890 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 342 integer (342 binary) Root relaxation: cutoff, 302 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 (302 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: 0.317984729481 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:34 2012 Optimize a model with 1191 rows, 1224 columns and 3536 nonzeros Presolve removed 876 rows and 876 columns Presolve time: 0.00s Presolved: 315 rows, 348 columns, 908 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 348 integer (348 binary) Root relaxation: cutoff, 337 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 (337 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: 0.32035774985 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:34 2012 Optimize a model with 1191 rows, 1224 columns and 3536 nonzeros Presolve removed 870 rows and 870 columns Presolve time: 0.00s Presolved: 321 rows, 354 columns, 926 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 354 integer (354 binary) Root relaxation: cutoff, 249 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 (249 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: 0.321544260035 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:34 2012 Optimize a model with 1191 rows, 1224 columns and 3536 nonzeros Presolve removed 868 rows and 868 columns Presolve time: 0.00s Presolved: 323 rows, 356 columns, 932 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 356 integer (356 binary) Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 simplex iterations) in 0.00 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, 15, 28, 32] edges [(21, 28), (11, 15), (13, 13), (7, 15), (24, 28), (20, 28), (0, 28), (25, 13), (15, 15), (5, 15), (22, 28), (18, 15), (29, 32), (3, 32), (26, 15), (16, 15), (2, 15), (12, 28), (14, 28), (8, 13), (1, 32), (33, 28), (9, 28), (27, 13), (23, 13), (28, 28), (32, 32), (6, 13), (4, 28), (17, 15), (19, 32), (30, 28), (31, 32), (10, 28)] current theta: 0.320951004942 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:34 2012 Optimize a model with 1191 rows, 1224 columns and 3536 nonzeros Presolve removed 870 rows and 870 columns Presolve time: 0.00s Presolved: 321 rows, 354 columns, 926 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 354 integer (354 binary) Root relaxation: cutoff, 249 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 (249 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: 0.321247632488 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:34 2012 Optimize a model with 1191 rows, 1224 columns and 3536 nonzeros Presolve removed 870 rows and 870 columns Presolve time: 0.00s Presolved: 321 rows, 354 columns, 926 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 354 integer (354 binary) Root relaxation: cutoff, 249 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 (249 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: 0.321395946262 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:34 2012 Optimize a model with 1191 rows, 1224 columns and 3536 nonzeros Presolve removed 870 rows and 870 columns Presolve time: 0.00s Presolved: 321 rows, 354 columns, 926 nonzeros MIP start did not produce a feasible solution Variable types: 0 continuous, 354 integer (354 binary) Root relaxation: cutoff, 249 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 (249 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: 0.321470103148 Gurobi 5.0.1 (linux64) logging started Wed Nov 21 22:52:34 2012 Optimize a model with 1191 rows, 1224 columns and 3536 nonzeros Presolve removed 868 rows and 868 columns Presolve time: 0.00s Presolved: 323 rows, 356 columns, 932 nonzeros Loaded MIP start with objective 0 Variable types: 0 continuous, 356 integer (356 binary) Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 simplex iterations) in 0.00 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, 15, 28, 32] edges [(21, 28), (11, 15), (13, 13), (7, 15), (24, 28), (20, 28), (0, 28), (25, 13), (15, 15), (5, 15), (22, 28), (18, 15), (29, 32), (3, 32), (26, 15), (16, 15), (2, 15), (12, 28), (14, 28), (8, 13), (1, 32), (33, 28), (9, 28), (27, 13), (23, 13), (28, 28), (32, 32), (6, 13), (4, 28), (17, 15), (19, 32), (30, 28), (31, 32), (10, 28)]