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 193524 rows and 35439 columns. MIP Presolve modified 24778 coefficients. Aggregator did 1269 substitutions. Reduced MIP has 59517 rows, 11242 columns, and 236633 nonzeros. Presolve time = 4.43 sec. Clique table members: 10057. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 0.79 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -2925.1181 646 -2925.1181 2283 * 0+ 0 -2914.0000 -2925.1181 2283 0.38% * 0 0 integral 0 -2921.0000 Cuts: 508 2382 0.00% 0 0 cutoff -2921.0000 -2921.0000 2382 0.00% GUB cover cuts applied: 2 Clique cuts applied: 209 Cover cuts applied: 1 Implied bound cuts applied: 46 Zero-half cuts applied: 36 Gomory fractional cuts applied: 10 >>>>>>> Objval = -2921.000000 (int)-2921 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 1569.0000. Tried aggregator 5 times. MIP Presolve eliminated 193511 rows and 35429 columns. MIP Presolve modified 24775 coefficients. Aggregator did 1266 substitutions. Reduced MIP has 59533 rows, 11255 columns, and 239582 nonzeros. Presolve time = 4.46 sec. Clique table members: 10027. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 9.42 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 222.3153 470 1569.0000 222.3153 12971 85.83% 0 0 313.0000 387 1569.0000 Cuts: 900 13297 80.05% 0 0 412.0000 24 1569.0000 Cuts: 51 13617 73.74% 0 0 414.5000 6 1569.0000 Cuts: 12 13625 73.58% * 0 0 integral 0 415.0000 Cuts: 3 13626 0.00% 0 0 cutoff 415.0000 415.0000 13626 0.00% Elapsed time = 16.55 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 3 Clique cuts applied: 560 Cover cuts applied: 3 Implied bound cuts applied: 93 Zero-half cuts applied: 54 Gomory fractional cuts applied: 11 >>>>>>> Objval = 415.000000 (int)414 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 2409.0000. Tried aggregator 5 times. Presolve has eliminated 192951 rows and 35207 columns... Aggregator has done 1214 substitutions... MIP Presolve eliminated 192951 rows and 35207 columns. MIP Presolve modified 24803 coefficients. Aggregator did 1214 substitutions. Reduced MIP has 60145 rows, 11529 columns, and 247811 nonzeros. Presolve time = 5.15 sec. Clique table members: 9779. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 13.48 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 1904.0694 330 2409.0000 1904.0694 22012 20.96% 0 0 1954.5000 258 2409.0000 Cuts: 535 22351 18.87% 0 0 1968.4000 358 2409.0000 Cuts: 26 22742 18.29% 0 0 2052.0000 58 2409.0000 Cuts: 74 23326 14.82% 0 0 2070.1875 112 2409.0000 Cuts: 78 23409 14.06% * 0+ 0 2085.0000 2070.1875 23424 0.71% 0 0 cutoff 2085.0000 2070.1875 23424 0.71% Elapsed time = 22.41 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 3 Clique cuts applied: 316 Cover cuts applied: 1 Implied bound cuts applied: 70 Zero-half cuts applied: 43 Gomory fractional cuts applied: 13