Warning: Output names have been modified to conform to LP format. Default row names c1, c2 ... being created. Tried aggregator 5 times. MIP Presolve eliminated 193248 rows and 35531 columns. MIP Presolve modified 23961 coefficients. Aggregator did 1289 substitutions. Reduced MIP has 59988 rows, 11130 columns, and 236553 nonzeros. Presolve time = 4.47 sec. Clique table members: 10756. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 0.52 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -2920.2222 278 -2920.2222 2196 * 0+ 0 -2912.0000 -2920.2222 2196 0.28% 0 0 -2919.0000 118 -2912.0000 Cuts: 402 2306 0.24% * 0+ 0 -2916.0000 -2919.0000 2306 0.10% * 0 0 integral 0 -2919.0000 Cuts: 51 2322 0.00% 0 0 cutoff -2919.0000 -2919.0000 2322 0.00% GUB cover cuts applied: 1 Clique cuts applied: 88 Cover cuts applied: 3 Implied bound cuts applied: 29 Zero-half cuts applied: 42 Gomory fractional cuts applied: 20 >>>>>>> Objval = -2919.000000 (int)-2919 Warning: Output names have been modified to conform to LP format. Default row names c1, c2 ... being created. MIP start values provide initial solution with objective 1561.0000. Tried aggregator 5 times. MIP Presolve eliminated 193231 rows and 35519 columns. MIP Presolve modified 23964 coefficients. Aggregator did 1281 substitutions. Reduced MIP has 60013 rows, 11150 columns, and 239535 nonzeros. Presolve time = 4.51 sec. Clique table members: 10711. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 8.98 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 287.6444 432 1561.0000 287.6444 13275 81.57% 0 0 426.5000 26 1561.0000 Cuts: 605 13462 72.68% * 0 0 integral 0 430.0000 Cuts: 13 13469 0.00% 0 0 cutoff 430.0000 430.0000 13469 0.00% Elapsed time = 15.31 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 308 Cover cuts applied: 3 Implied bound cuts applied: 70 Zero-half cuts applied: 25 Gomory fractional cuts applied: 5 >>>>>>> Objval = 430.000000 (int)430 Warning: Output names have been modified to conform to LP format. Default row names c1, c2 ... being created. MIP start values provide initial solution with objective 2486.0000. Tried aggregator 5 times. Presolve has eliminated 192659 rows and 35250 columns... Aggregator has done 1232 substitutions... Presolve has improved bounds 4 times... MIP Presolve eliminated 192659 rows and 35250 columns. MIP Presolve modified 23993 coefficients. Aggregator did 1232 substitutions. Reduced MIP has 60634 rows, 11468 columns, and 247915 nonzeros. Presolve time = 5.22 sec. Clique table members: 10351. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 12.35 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 1908.5278 136 2486.0000 1908.5278 20898 23.23% 0 0 2025.0000 24 2486.0000 Cuts: 307 21954 18.54% 0 0 2050.6667 63 2486.0000 Cuts: 81 21993 17.51% * 0+ 0 2060.0000 2050.6667 21996 0.45% 0 0 cutoff 2060.0000 2050.6667 21996 0.45% Elapsed time = 20.65 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 159 Cover cuts applied: 1 Implied bound cuts applied: 19 Zero-half cuts applied: 16 Gomory fractional cuts applied: 9