current bounds on the number of colors: 0 -- 237 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:42:39 2012 Optimize a model with 33159 rows, 28245 columns and 126732 nonzeros Presolve removed 22 rows and 2596 columns Presolve time: 0.15s Presolved: 33137 rows, 25649 columns, 124136 nonzeros Variable types: 0 continuous, 25649 integer (25649 binary) Root relaxation: objective 0.000000e+00, 415 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 (659 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% current bounds on the number of colors: 0 -- 118 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:42:39 2012 Optimize a model with 16698 rows, 14262 columns and 63366 nonzeros Presolve removed 22 rows and 1298 columns Presolve time: 0.12s Presolved: 16676 rows, 12964 columns, 62068 nonzeros Variable types: 0 continuous, 12964 integer (12964 binary) Root relaxation: objective 0.000000e+00, 415 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 (647 simplex iterations) in 0.15 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 -- 59 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:42:40 2012 Optimize a model with 8328 rows, 7152 columns and 31146 nonzeros Presolve removed 22 rows and 638 columns Presolve time: 0.05s Presolved: 8306 rows, 6514 columns, 30508 nonzeros Variable types: 0 continuous, 6514 integer (6514 binary) Root relaxation: objective 0.000000e+00, 419 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 (635 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% current bounds on the number of colors: 0 -- 29 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:42:40 2012 Optimize a model with 4143 rows, 3597 columns and 15036 nonzeros Presolve removed 22 rows and 308 columns Presolve time: 0.02s Presolved: 4121 rows, 3289 columns, 14728 nonzeros Variable types: 0 continuous, 3289 integer (3289 binary) Root relaxation: objective 0.000000e+00, 426 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 (667 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% current bounds on the number of colors: 0 -- 14 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:42:40 2012 Optimize a model with 2190 rows, 1938 columns and 7518 nonzeros Presolve removed 22 rows and 154 columns Presolve time: 0.01s Presolved: 2168 rows, 1784 columns, 7364 nonzeros Variable types: 0 continuous, 1784 integer (1784 binary) Root relaxation: objective 0.000000e+00, 397 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 (397 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 -- 7 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:42:40 2012 Optimize a model with 1074 rows, 990 columns and 3222 nonzeros Presolve removed 22 rows and 66 columns Presolve time: 0.00s Presolved: 1052 rows, 924 columns, 3156 nonzeros Variable types: 0 continuous, 924 integer (924 binary) Root relaxation: objective 0.000000e+00, 398 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 (398 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 -- 3 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:42:40 2012 Optimize a model with 516 rows, 516 columns and 1074 nonzeros Presolve removed 516 rows and 516 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 16:42:40 2012 Optimize a model with 795 rows, 753 columns and 2148 nonzeros Presolve removed 239 rows and 262 columns Presolve time: 0.00s Presolved: 556 rows, 491 columns, 1668 nonzeros Variable types: 0 continuous, 491 integer (491 binary) Root relaxation: objective 0.000000e+00, 242 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 0 213 - 0.00000 - - 0s 0 0 infeasible 0 - 0.10000 - - 0s Explored 0 nodes (797 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