current bounds on the number of colors: 0 -- 244 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:45:39 2012 Optimize a model with 35746 rows, 30059 columns and 136274 nonzeros Presolve removed 18 rows and 2196 columns Presolve time: 0.16s Presolved: 35728 rows, 27863 columns, 134078 nonzeros Variable types: 0 continuous, 27863 integer (27863 binary) Root relaxation: objective 0.000000e+00, 412 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 (412 simplex iterations) in 0.19 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 -- 122 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:45:40 2012 Optimize a model with 17995 rows, 15175 columns and 68137 nonzeros Presolve removed 18 rows and 1098 columns Presolve time: 0.13s Presolved: 17977 rows, 14077 columns, 67039 nonzeros Variable types: 0 continuous, 14077 integer (14077 binary) Root relaxation: objective 0.000000e+00, 412 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 (412 simplex iterations) in 0.14 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 -- 61 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:45:40 2012 Optimize a model with 8974 rows, 7611 columns and 33510 nonzeros Presolve removed 18 rows and 540 columns Presolve time: 0.06s Presolved: 8956 rows, 7071 columns, 32970 nonzeros Variable types: 0 continuous, 7071 integer (7071 binary) Root relaxation: objective 0.000000e+00, 416 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 (416 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 -- 30 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:45:41 2012 Optimize a model with 4609 rows, 3951 columns and 16755 nonzeros Presolve removed 18 rows and 270 columns Presolve time: 0.02s Presolved: 4591 rows, 3681 columns, 16485 nonzeros Variable types: 0 continuous, 3681 integer (3681 binary) Root relaxation: objective 0.000000e+00, 437 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 (664 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 -- 15 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:45:41 2012 Optimize a model with 2281 rows, 1999 columns and 7819 nonzeros Presolve removed 18 rows and 126 columns Presolve time: 0.01s Presolved: 2263 rows, 1873 columns, 7693 nonzeros Variable types: 0 continuous, 1873 integer (1873 binary) Root relaxation: objective 0.000000e+00, 429 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 (614 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 16:45:41 2012 Optimize a model with 1117 rows, 1023 columns and 3351 nonzeros Presolve removed 18 rows and 54 columns Presolve time: 0.00s Presolved: 1099 rows, 969 columns, 3297 nonzeros Variable types: 0 continuous, 969 integer (969 binary) Root relaxation: objective 0.000000e+00, 437 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 8 - 0.00000 - - 0s H 0 0 0.0000000 0.00000 0.0% - 0s Explored 0 nodes (825 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 16:45:41 2012 Optimize a model with 535 rows, 535 columns and 1117 nonzeros Presolve removed 535 rows and 535 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 16:45:41 2012 Optimize a model with 826 rows, 779 columns and 2234 nonzeros Presolve removed 250 rows and 271 columns Presolve time: 0.00s Presolved: 576 rows, 508 columns, 1728 nonzeros Variable types: 0 continuous, 508 integer (508 binary) Root relaxation: objective 0.000000e+00, 245 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 (825 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