Comments (3)
galabovaa
commented on August 21, 2024
Thank you for the info Sasha, we will look into it. Presolve is a newer feature, yes, but it still should be able to handle greenbea and greenbeb and a previous version of presolve did so. We extended the list of presolve rules so that must have changed something. Cycle I had not tested on so I will check that too when I get a chance.
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mattmilten
commented on August 21, 2024
We should add all those instances to check/CMakeLists.txt to test them with TravisCI.
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galabovaa
commented on August 21, 2024
The bug is now fixed. Both problems are in check/instances and presolve is on in ctest too.
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Related Issues (20)
- Getting the names of variables when reading problem from MPS file. HOT 1
- Protect `HPresolve::setInput` against memory allocation errors HOT 1
- v1.70 cannot be compiled under Windows HOT 7
- Possible memory leak in 1.7.0 (nuget, windows) HOT 12
- Documentation of HiGHS' output HOT 2
- Does HiGHS Support Custom Solving Algorithms?
- Solving alternative systems using `Highs::basisSolve` and `Highs::basisTransposeSolve` HOT 1
- Fix the O(N^2) cost of passColName and passRowName when adding columns and rows one-by-one
- Re-solving many times with primal simplex can lead to basis issues (rare occurrence) HOT 1
- Evaluating model complexity in highs avoiding device related performance
- Add irreducible inconsistent system (IIS) identification for LP
- Build fails on macOS: `f951: Error: '-fno-fat-lto-objects' are supported only with linker plugin` HOT 3
- Get Column Cost HOT 1
- Spurious statement of Integer when writing model HOT 1
- primal_solution_status is reported as kSolutionStatusFeasible for infeasible model when solver=ipm and presolve=off
- How to Set a Partial MIP Solution using setSolution()? HOT 11
- Logging header not printed if `h.writeModel` or `h.writeSolution` called before a method using the HighsIO
- `Highs::writeModel("")` uses `HighsIO`, but `Highs::writeSolution("")` uses `fprintf` for stdout HOT 1
- HiGHS 1.7.1 HighsCallbackDataOut data type can no longer be accessed directly for mip_solution item. HOT 1
- Time limit solving Jeroslow MIP seems not to be triggered HOT 2
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