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57 lines
3.9 KiB
57 lines
3.9 KiB
Welcome to the CBC MILP Solver
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Version: 2.10.3
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Build Date: Oct 7 2019
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command line - Cbc_C_Interface -solve -quit (default strategy 1)
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Continuous objective value is 1.86768e+06 - 0.00 seconds
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Cgl0003I 7 fixed, 0 tightened bounds, 9 strengthened rows, 0 substitutions
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Cgl0003I 0 fixed, 0 tightened bounds, 2 strengthened rows, 0 substitutions
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Cgl0003I 0 fixed, 0 tightened bounds, 1 strengthened rows, 0 substitutions
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Cgl0004I processed model has 35 rows, 55 columns (9 integer (9 of which binary)) and 211 elements
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Cbc0012I Integer solution of 1871179 found by DiveCoefficient after 0 iterations and 0 nodes (0.00 seconds)
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Cbc0038I Full problem 35 rows 55 columns, reduced to 18 rows 37 columns
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Cbc0006I The LP relaxation is infeasible or too expensive
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Cbc0013I At root node, 0 cuts changed objective from 1869627.3 to 1871179 in 1 passes
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Cbc0014I Cut generator 0 (Probing) - 0 row cuts average 0.0 elements, 1 column cuts (1 active) in 0.000 seconds - new frequency is 1
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Cbc0014I Cut generator 1 (Gomory) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100
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Cbc0014I Cut generator 2 (Knapsack) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100
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Cbc0014I Cut generator 3 (Clique) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100
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Cbc0014I Cut generator 4 (MixedIntegerRounding2) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100
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Cbc0014I Cut generator 5 (FlowCover) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100
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Cbc0014I Cut generator 6 (TwoMirCuts) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100
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Cbc0014I Cut generator 7 (ZeroHalf) - 0 row cuts average 0.0 elements, 0 column cuts (0 active) in 0.000 seconds - new frequency is -100
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Cbc0001I Search completed - best objective 1871178.961662621, took 2 iterations and 0 nodes (0.01 seconds)
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Cbc0035I Maximum depth 0, 5 variables fixed on reduced cost
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Cuts at root node changed objective from 1.86963e+06 to 1.87118e+06
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Probing was tried 1 times and created 1 cuts of which 0 were active after adding rounds of cuts (0.000 seconds)
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Gomory was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds)
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Knapsack was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds)
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Clique was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds)
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MixedIntegerRounding2 was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds)
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FlowCover was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds)
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TwoMirCuts was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds)
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ZeroHalf was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds)
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Result - Optimal solution found
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Objective value: 1871178.96166262
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Enumerated nodes: 0
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Total iterations: 2
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Time (CPU seconds): 0.01
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Time (Wallclock seconds): 0.01
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Total time (CPU seconds): 0.01 (Wallclock seconds): 0.01
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Coin0506I Presolve 24 (-100) rows, 38 (-103) columns and 164 (-236) elements
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Clp0006I 0 Obj 1590708.5 Primal inf 13041.309 (4) Dual inf 429.24088 (24)
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Clp0006I 16 Obj 1871179
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Clp0000I Optimal - objective value 1871179
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Coin0511I After Postsolve, objective 1871179, infeasibilities - dual 0 (0), primal 0 (0)
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Clp0032I Optimal objective 1871178.962 - 16 iterations time 0.002, Presolve 0.00
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Reading s1.json...
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Building graph...
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Building optimization model...
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Optimizing MILP...
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Re-optimizing with integer variables fixed...
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Extracting solution...
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