current bounds on the number of colors: 0 -- 204 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:31:17 2012 Optimize a model with 22950 rows, 21031 columns and 89046 nonzeros Presolve removed 20 rows and 2040 columns Presolve time: 0.14s Presolved: 22930 rows, 18991 columns, 87006 nonzeros Variable types: 0 continuous, 18991 integer (18991 binary) Root relaxation: objective 0.000000e+00, 342 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 (342 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% current bounds on the number of colors: 0 -- 102 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:31:17 2012 Optimize a model with 11577 rows, 10627 columns and 44523 nonzeros Presolve removed 20 rows and 1020 columns Presolve time: 0.11s Presolved: 11557 rows, 9607 columns, 43503 nonzeros Variable types: 0 continuous, 9607 integer (9607 binary) Root relaxation: objective 0.000000e+00, 345 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 (345 simplex iterations) in 0.12 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% current bounds on the number of colors: 0 -- 51 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:31:18 2012 Optimize a model with 5779 rows, 5323 columns and 21825 nonzeros Presolve removed 20 rows and 500 columns Presolve time: 0.03s Presolved: 5759 rows, 4823 columns, 21325 nonzeros Variable types: 0 continuous, 4823 integer (4823 binary) Root relaxation: objective 0.000000e+00, 341 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 (341 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% current bounds on the number of colors: 0 -- 25 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:31:18 2012 Optimize a model with 2880 rows, 2671 columns and 10476 nonzeros Presolve removed 20 rows and 240 columns Presolve time: 0.01s Presolved: 2860 rows, 2431 columns, 10236 nonzeros Variable types: 0 continuous, 2431 integer (2431 binary) Root relaxation: objective 0.000000e+00, 335 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 (495 simplex iterations) in 0.02 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% current bounds on the number of colors: 0 -- 12 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:31:18 2012 Optimize a model with 1542 rows, 1447 columns and 5238 nonzeros Presolve removed 20 rows and 120 columns Presolve time: 0.01s Presolved: 1522 rows, 1327 columns, 5118 nonzeros Variable types: 0 continuous, 1327 integer (1327 binary) Root relaxation: objective 0.000000e+00, 336 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 (336 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% current bounds on the number of colors: 0 -- 6 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:31:18 2012 Optimize a model with 873 rows, 835 columns and 2619 nonzeros Presolve removed 20 rows and 60 columns Presolve time: 0.00s Presolved: 853 rows, 775 columns, 2559 nonzeros Variable types: 0 continuous, 775 integer (775 binary) Root relaxation: objective 0.000000e+00, 334 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 (334 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% current bounds on the number of colors: 0 -- 3 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:31:18 2012 Optimize a model with 427 rows, 427 columns and 873 nonzeros Presolve removed 427 rows and 427 columns Presolve time: 0.00s Explored 0 nodes (0 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound -, gap - current bounds on the number of colors: 1 -- 3 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:31:18 2012 Optimize a model with 650 rows, 631 columns and 1746 nonzeros Presolve removed 210 rows and 233 columns Presolve time: 0.00s Presolved: 440 rows, 398 columns, 1320 nonzeros Variable types: 0 continuous, 398 integer (398 binary) Root relaxation: objective 0.000000e+00, 197 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00000 0 178 - 0.00000 - - 0s 0 0 infeasible 0 - 0.10000 - - 0s Explored 0 nodes (639 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 - optimal solution found: number of colors: 3