Welcome to the CBC MILP Solver Version: 2.9.7 Build Date: Nov 24 2015 command line - C:\Users\akarga01\Documents\OpenSolver\Solvers\win64\cbc.exe -directory C:\Users\akarga01\AppData\Local\Temp\OpenSolver-DF74 -import C:\Users\akarga01\AppData\Local\Temp\OpenSolver-DF74\model.lp -maxIterations 2147483647 -ratioGap 0.01 -logLevel 1 -nodestrategy hybrid -strategy 2 -seconds 200 -solve -solution C:\Users\akarga01\AppData\Local\Temp\OpenSolver-DF74\model.sol maxIterations was changed from 2147483647 to 2147483647 ratioGap was changed from 0 to 0.01 Option for nodeStrategy changed from fewest to hybrid strategy was changed from 1 to 2 seconds was changed from 1e+100 to 200 Continuous objective value is -23991.6 - 0.13 seconds Cgl0002I 15743 variables fixed Cgl0003I 13 fixed, 0 tightened bounds, 228 strengthened rows, 0 substitutions Cgl0003I 0 fixed, 0 tightened bounds, 170 strengthened rows, 0 substitutions Cgl0003I 0 fixed, 0 tightened bounds, 138 strengthened rows, 0 substitutions Cgl0003I 0 fixed, 0 tightened bounds, 100 strengthened rows, 0 substitutions Cgl0003I 0 fixed, 0 tightened bounds, 74 strengthened rows, 0 substitutions Cgl0003I 0 fixed, 0 tightened bounds, 48 strengthened rows, 0 substitutions Cgl0003I 0 fixed, 0 tightened bounds, 38 strengthened rows, 0 substitutions Cgl0003I 0 fixed, 0 tightened bounds, 31 strengthened rows, 0 substitutions Cgl0003I 0 fixed, 0 tightened bounds, 24 strengthened rows, 0 substitutions Cgl0003I 0 fixed, 0 tightened bounds, 11 strengthened rows, 0 substitutions Cgl0004I processed model has 387 rows, 220 columns (128 integer (128 of which binary)) and 1994 elements Cbc0038I Initial state - 76 integers unsatisfied sum - 20.5224 Cbc0038I Pass 1: suminf. 4.03474 (25) obj. -23089.8 iterations 108 Cbc0038I Pass 2: suminf. 3.77223 (24) obj. -23073.7 iterations 2 Cbc0038I Pass 3: suminf. 2.42678 (9) obj. -21410 iterations 42 Cbc0038I Pass 4: suminf. 2.41321 (9) obj. -21410 iterations 3 Cbc0038I Pass 5: suminf. 0.48265 (2) obj. -21088.4 iterations 13 Cbc0038I Pass 6: suminf. 0.41026 (2) obj. -21088.4 iterations 4 Cbc0038I Pass 7: suminf. 0.48265 (2) obj. -21088.4 iterations 3 Cbc0038I Pass 8: suminf. 9.21624 (34) obj. -22719.9 iterations 82 Cbc0038I Pass 9: suminf. 4.37832 (17) obj. -22483.4 iterations 33 Cbc0038I Pass 10: suminf. 4.29906 (17) obj. -22488.3 iterations 1 Cbc0038I Pass 11: suminf. 0.41019 (6) obj. -21706.9 iterations 31 Cbc0038I Pass 12: suminf. 0.39772 (6) obj. -21706.9 iterations 5 Cbc0038I Pass 13: suminf. 0.25846 (3) obj. -21580.1 iterations 8 Cbc0038I Pass 14: suminf. 0.22150 (3) obj. -21580.1 iterations 3 Cbc0038I Pass 15: suminf. 0.16893 (2) obj. -21515.2 iterations 3 Cbc0038I Pass 16: suminf. 0.14359 (2) obj. -21515.2 iterations 2 Cbc0038I Pass 17: suminf. 7.07932 (26) obj. -22129.3 iterations 56 Cbc0038I Pass 18: suminf. 4.77010 (20) obj. -21924.8 iterations 13 Cbc0038I Pass 19: suminf. 1.18085 (8) obj. -21346.8 iterations 24 Cbc0038I Pass 20: suminf. 1.11617 (8) obj. -21347 iterations 3 Cbc0038I Pass 21: suminf. 0.54734 (5) obj. -21061.8 iterations 9 Cbc0038I Pass 22: suminf. 0.47323 (6) obj. -21060 iterations 5 Cbc0038I Pass 23: suminf. 0.16893 (2) obj. -20825.2 iterations 9 Cbc0038I Pass 24: suminf. 0.14359 (2) obj. -20825.2 iterations 4 Cbc0038I Pass 25: suminf. 0.16893 (2) obj. -20825.2 iterations 2 Cbc0038I Pass 26: suminf. 4.50700 (21) obj. -22263.9 iterations 56 Cbc0038I Pass 27: suminf. 2.52795 (14) obj. -22166.6 iterations 8 Cbc0038I Pass 28: suminf. 0.95324 (4) obj. -21224.3 iterations 25 Cbc0038I Pass 29: suminf. 0.87448 (5) obj. -21223.7 iterations 6 Cbc0038I Pass 30: suminf. 0.74736 (3) obj. -21051.6 iterations 7 Cbc0038I No solution found this major pass Cbc0038I Before mini branch and bound, 22 integers at bound fixed and 15 continuous Cbc0038I Full problem 387 rows 220 columns, reduced to 273 rows 143 columns - too large Cbc0038I Mini branch and bound did not improve solution (2.11 seconds) Cbc0038I Full problem 388 rows 220 columns, reduced to 387 rows 220 columns - too large Cbc0038I After 2.16 seconds - Feasibility pump exiting - took 0.12 seconds