Warning: Output names have been modified to conform to LP format. Default row names c1, c2 ... being created. Presolve has eliminated 190822 rows and 35353 columns... Aggregator has done 1287 substitutions... Presolve has improved bounds 7 times... Tried aggregator 5 times. MIP Presolve eliminated 198542 rows and 35630 columns. MIP Presolve modified 23667 coefficients. Aggregator did 1288 substitutions. Reduced MIP has 54695 rows, 11032 columns, and 216690 nonzeros. Presolve time = 5.37 sec. Clique table members: 9809. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 0.80 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -2924.0764 646 -2924.0764 2197 * 0+ 0 -2916.0000 -2924.0764 2197 0.28% 0 0 -2921.0000 4 -2916.0000 Cuts: 714 2336 0.17% * 0+ 0 -2921.0000 -2921.0000 2336 0.00% 0 0 cutoff -2921.0000 -2921.0000 2336 0.00% GUB cover cuts applied: 2 Clique cuts applied: 412 Cover cuts applied: 1 Implied bound cuts applied: 36 Zero-half cuts applied: 52 Gomory fractional cuts applied: 8 >>>>>>> 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 1530.0000. Presolve has eliminated 190831 rows and 35357 columns... Aggregator has done 1284 substitutions... Presolve has improved bounds 7 times... Tried aggregator 5 times. MIP Presolve eliminated 198527 rows and 35619 columns. MIP Presolve modified 23666 coefficients. Aggregator did 1285 substitutions. Reduced MIP has 54713 rows, 11046 columns, and 219628 nonzeros. Presolve time = 5.38 sec. Clique table members: 9774. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 10.13 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 222.3153 469 1530.0000 222.3153 12670 85.47% 0 0 408.0000 62 1530.0000 Cuts: 1145 13027 73.33% * 0 0 integral 0 415.0000 Cuts: 57 13040 0.00% 0 0 cutoff 415.0000 415.0000 13040 0.00% Elapsed time = 17.50 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 3 Clique cuts applied: 810 Cover cuts applied: 3 Implied bound cuts applied: 97 Zero-half cuts applied: 66 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 2418.0000. Presolve has eliminated 189091 rows and 35096 columns... Aggregator has done 1135 substitutions... Presolve has improved bounds 7 times... Tried aggregator 5 times. MIP Presolve eliminated 197978 rows and 35376 columns. MIP Presolve modified 23679 coefficients. Aggregator did 1231 substitutions. Reduced MIP has 55316 rows, 11343 columns, and 227809 nonzeros. Presolve time = 6.24 sec. Clique table members: 9474. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 14.68 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 1903.3194 334 2418.0000 1903.3194 21250 21.29% 0 0 1965.5000 341 2418.0000 Cuts: 818 21759 18.71% 0 0 2052.7500 66 2418.0000 Cuts: 108 22258 15.11% 0 0 2069.1875 112 2418.0000 Cuts: 46 22299 14.43% * 0+ 0 2084.0000 2069.1875 22315 0.71% 0 0 cutoff 2084.0000 2069.1875 22315 0.71% Elapsed time = 24.06 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 3 Clique cuts applied: 585 Cover cuts applied: 1 Implied bound cuts applied: 65 Zero-half cuts applied: 38 Gomory fractional cuts applied: 10