Ross
144 lines
9.2 KiB
Plaintext
144 lines
9.2 KiB
Plaintext
Solver command line: ['/usr/bin/cbc', '-seconds', '10200', '-allow', '2000', '-printingOptions', 'all', '-import', '/tmp/tmpkbdsvsfl.pyomo.lp', '-stat=1', '-solve', '-solu', '/tmp/tmpkbdsvsfl.pyomo.soln']
|
|
|
|
Welcome to the CBC MILP Solver
|
|
Version: 2.9.9
|
|
Build Date: Aug 7 2019
|
|
|
|
command line - /usr/bin/cbc -seconds 10200 -allow 2000 -printingOptions all -import /tmp/tmpkbdsvsfl.pyomo.lp -stat=1 -solve -solu /tmp/tmpkbdsvsfl.pyomo.soln (default strategy 1)
|
|
seconds was changed from 1e+100 to 10200
|
|
allowableGap was changed from 1e-10 to 2000
|
|
Option for printingOptions changed from normal to all
|
|
Presolve 15576 (-101189) rows, 12120 (-10453) columns and 82539 (-204706) elements
|
|
Statistics for presolved model
|
|
Original problem has 22044 integers (21216 of which binary)
|
|
Presolved problem has 11784 integers (11360 of which binary)
|
|
==== 11560 zero objective 4 different
|
|
11560 variables have objective of 0
|
|
96 variables have objective of 1
|
|
48 variables have objective of 10
|
|
416 variables have objective of 20
|
|
==== absolute objective values 4 different
|
|
11560 variables have objective of 0
|
|
96 variables have objective of 1
|
|
48 variables have objective of 10
|
|
416 variables have objective of 20
|
|
==== for integers 11368 zero objective 2 different
|
|
11368 variables have objective of 0
|
|
416 variables have objective of 20
|
|
==== for integers absolute objective values 2 different
|
|
11368 variables have objective of 0
|
|
416 variables have objective of 20
|
|
===== end objective counts
|
|
|
|
|
|
Problem has 15576 rows, 12120 columns (560 with objective) and 82539 elements
|
|
There are 512 singletons with objective
|
|
Column breakdown:
|
|
760 of type 0.0->inf, 0 of type 0.0->up, 0 of type lo->inf,
|
|
0 of type lo->up, 0 of type free, 0 of type fixed,
|
|
0 of type -inf->0.0, 0 of type -inf->up, 11360 of type 0.0->1.0
|
|
Row breakdown:
|
|
2281 of type E 0.0, 0 of type E 1.0, 208 of type E -1.0,
|
|
326 of type E other, 0 of type G 0.0, 52 of type G 1.0,
|
|
0 of type G other, 2270 of type L 0.0, 9030 of type L 1.0,
|
|
1409 of type L other, 0 of type Range 0.0->1.0, 0 of type Range other,
|
|
0 of type Free
|
|
Continuous objective value is 2560 - 9.87 seconds
|
|
Cgl0002I 9517 variables fixed
|
|
Cgl0003I 0 fixed, 416 tightened bounds, 9800 strengthened rows, 49679 substitutions
|
|
Cgl0003I 0 fixed, 0 tightened bounds, 2540 strengthened rows, 0 substitutions
|
|
Cgl0003I 0 fixed, 0 tightened bounds, 1884 strengthened rows, 0 substitutions
|
|
Cgl0003I 0 fixed, 0 tightened bounds, 568 strengthened rows, 0 substitutions
|
|
Cgl0003I 0 fixed, 0 tightened bounds, 113 strengthened rows, 0 substitutions
|
|
Cgl0003I 0 fixed, 0 tightened bounds, 82 strengthened rows, 0 substitutions
|
|
Cgl0003I 0 fixed, 0 tightened bounds, 77 strengthened rows, 0 substitutions
|
|
Cgl0003I 0 fixed, 0 tightened bounds, 71 strengthened rows, 0 substitutions
|
|
Cgl0003I 0 fixed, 0 tightened bounds, 67 strengthened rows, 0 substitutions
|
|
Cgl0004I processed model has 3086 rows, 3046 columns (2710 integer (2294 of which binary)) and 25548 elements
|
|
Cbc0038I Initial state - 146 integers unsatisfied sum - 37.469
|
|
Cbc0038I Pass 1: (11.59 seconds) suminf. 0.47173 (2) obj. 4275.76 iterations 590
|
|
Cbc0038I Pass 2: (11.59 seconds) suminf. 0.47173 (2) obj. 4275.76 iterations 8
|
|
Cbc0038I Pass 3: (11.60 seconds) suminf. 0.00000 (0) obj. 4323.8 iterations 9
|
|
Cbc0038I Solution found of 4323.8
|
|
Cbc0038I Relaxing continuous gives 3974.12
|
|
Cbc0038I Cleaned solution of 3974.12
|
|
Cbc0038I Before mini branch and bound, 2559 integers at bound fixed and 136 continuous of which 33 were internal integer and 0 internal continuous
|
|
Cbc0038I Full problem 3086 rows 3046 columns, reduced to 52 rows 49 columns
|
|
Cbc0038I Mini branch and bound did not improve solution (11.63 seconds)
|
|
Cbc0038I Freeing continuous variables gives a solution of 3974.12
|
|
Cbc0038I Round again with cutoff of 3832.71
|
|
Cbc0038I Pass 4: (11.66 seconds) suminf. 1.45488 (8) obj. 3832.71 iterations 29
|
|
Cbc0038I Pass 5: (11.68 seconds) suminf. 0.64928 (9) obj. 3832.71 iterations 261
|
|
Cbc0038I Pass 6: (11.69 seconds) suminf. 1.21829 (7) obj. 3832.71 iterations 255
|
|
Cbc0038I Pass 7: (11.70 seconds) suminf. 1.09024 (5) obj. 3832.71 iterations 15
|
|
Cbc0038I Pass 8: (11.71 seconds) suminf. 0.00000 (0) obj. 3832.71 iterations 166
|
|
Cbc0038I Solution found of 3832.71
|
|
Cbc0038I Relaxing continuous gives 3698.04
|
|
Cbc0038I Cleaned solution of 3698.04
|
|
Cbc0038I Before mini branch and bound, 2549 integers at bound fixed and 132 continuous of which 33 were internal integer and 0 internal continuous
|
|
Cbc0038I Full problem 3086 rows 3046 columns, reduced to 89 rows 86 columns
|
|
Cbc0038I Mini branch and bound did not improve solution (11.78 seconds)
|
|
Cbc0038I Freeing continuous variables gives a solution of 3698.04
|
|
Cbc0038I Round again with cutoff of 3470.43
|
|
Cbc0038I Pass 9: (11.83 seconds) suminf. 5.71444 (21) obj. 3470.43 iterations 178
|
|
Cbc0038I Pass 10: (11.84 seconds) suminf. 3.39913 (21) obj. 3470.43 iterations 246
|
|
Cbc0038I Pass 11: (11.85 seconds) suminf. 3.15309 (17) obj. 3470.43 iterations 120
|
|
Cbc0038I Pass 12: (11.88 seconds) suminf. 5.18611 (29) obj. 3470.43 iterations 504
|
|
Cbc0038I Pass 13: (11.88 seconds) suminf. 5.34128 (30) obj. 3470.43 iterations 94
|
|
Cbc0038I Pass 14: (11.89 seconds) suminf. 4.85719 (30) obj. 3470.43 iterations 43
|
|
Cbc0038I Pass 15: (11.90 seconds) suminf. 5.46620 (24) obj. 3470.43 iterations 214
|
|
Cbc0038I Pass 16: (11.91 seconds) suminf. 4.67465 (26) obj. 3470.43 iterations 60
|
|
Cbc0038I Pass 17: (11.93 seconds) suminf. 6.52181 (26) obj. 3470.43 iterations 326
|
|
Cbc0038I Pass 18: (11.94 seconds) suminf. 4.39105 (26) obj. 3470.43 iterations 206
|
|
Cbc0038I Pass 19: (11.97 seconds) suminf. 7.16407 (27) obj. 3470.43 iterations 519
|
|
Cbc0038I Pass 20: (11.98 seconds) suminf. 5.57749 (32) obj. 3470.43 iterations 187
|
|
Cbc0038I Pass 21: (12.00 seconds) suminf. 6.06664 (26) obj. 3470.43 iterations 331
|
|
Cbc0038I Pass 22: (12.00 seconds) suminf. 4.83984 (24) obj. 3470.43 iterations 162
|
|
Cbc0038I Pass 23: (12.01 seconds) suminf. 4.04829 (26) obj. 3470.43 iterations 67
|
|
Cbc0038I Pass 24: (12.04 seconds) suminf. 7.50683 (27) obj. 3470.43 iterations 490
|
|
Cbc0038I Pass 25: (12.05 seconds) suminf. 5.92024 (32) obj. 3470.43 iterations 191
|
|
Cbc0038I Pass 26: (12.07 seconds) suminf. 8.83513 (32) obj. 3470.43 iterations 403
|
|
Cbc0038I Pass 27: (12.08 seconds) suminf. 6.60367 (33) obj. 3470.43 iterations 119
|
|
Cbc0038I Pass 28: (12.09 seconds) suminf. 6.03597 (37) obj. 3470.43 iterations 149
|
|
Cbc0038I Pass 29: (12.12 seconds) suminf. 10.65699 (43) obj. 3470.43 iterations 543
|
|
Cbc0038I Pass 30: (12.13 seconds) suminf. 8.00683 (34) obj. 3470.43 iterations 164
|
|
Cbc0038I Pass 31: (12.14 seconds) suminf. 7.15875 (36) obj. 3470.43 iterations 65
|
|
Cbc0038I Pass 32: (12.15 seconds) suminf. 6.24921 (32) obj. 3470.43 iterations 230
|
|
Cbc0038I Pass 33: (12.16 seconds) suminf. 5.53806 (32) obj. 3470.43 iterations 85
|
|
Cbc0038I Pass 34: (12.19 seconds) suminf. 7.17468 (31) obj. 3470.43 iterations 481
|
|
Cbc0038I Pass 35: (12.20 seconds) suminf. 5.57660 (28) obj. 3470.43 iterations 141
|
|
Cbc0038I Pass 36: (12.22 seconds) suminf. 8.67998 (30) obj. 3470.43 iterations 375
|
|
Cbc0038I Pass 37: (12.23 seconds) suminf. 5.94849 (31) obj. 3470.43 iterations 188
|
|
Cbc0038I Pass 38: (12.24 seconds) suminf. 5.30715 (31) obj. 3470.43 iterations 76
|
|
Cbc0038I No solution found this major pass
|
|
Cbc0038I Before mini branch and bound, 2505 integers at bound fixed and 101 continuous of which 30 were internal integer and 0 internal continuous
|
|
Cbc0038I Full problem 3086 rows 3046 columns, reduced to 204 rows 208 columns
|
|
Cbc0038I Mini branch and bound did not improve solution (12.27 seconds)
|
|
Cbc0038I After 12.27 seconds - Feasibility pump exiting with objective of 3698.04 - took 0.73 seconds
|
|
Cbc0012I Integer solution of 3698.0376 found by feasibility pump after 0 iterations and 0 nodes (12.27 seconds)
|
|
Cbc0011I Exiting as integer gap of 1138.0376 less than 2000 or 0%%
|
|
Cbc0001I Search completed - best objective 3698.037618571474, took 0 iterations and 0 nodes (12.28 seconds)
|
|
Cbc0035I Maximum depth 0, 0 variables fixed on reduced cost
|
|
Cuts at root node changed objective from 2560 to 2560
|
|
Probing was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds)
|
|
Gomory was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds)
|
|
Knapsack was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds)
|
|
Clique was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds)
|
|
MixedIntegerRounding2 was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds)
|
|
FlowCover was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds)
|
|
TwoMirCuts was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds)
|
|
|
|
Result - Optimal solution found (within gap tolerance)
|
|
|
|
Objective value: 3698.03761857
|
|
Lower bound: 2560.000
|
|
Gap: 0.44
|
|
Enumerated nodes: 0
|
|
Total iterations: 0
|
|
Time (CPU seconds): 12.57
|
|
Time (Wallclock seconds): 12.71
|
|
|
|
Total time (CPU seconds): 13.37 (Wallclock seconds): 13.58
|
|
|
|
|