coin-or / Cbc

COIN-OR Branch-and-Cut solver

coin-or/Cbc Issues

Wrong result for ILP, regression in the last 1 or 2 months
Updated a month ago10
What is the difference between the release build workflow and solution build? (Windows VS)?
Updated a month ago13
Overflow errors on the shapes of my parameters
Closed 2 months ago7
build error on src/CbcHeuristicDive.cpp / code questions:
Closed 2 months ago3
File content mismatch between releases and repo
Updated 2 months ago5
Modifying row coefficient via the C interface
Updated 3 months ago5
cbc crash ( segmentation fault) when model was solved during presolve process and given lp is large
Updated 4 months ago2
No static library in MacOS builds
Closed 4 months ago3
Rust + cbc on Mac M2 Chip library not found for -lCbcSolver
Closed 5 months ago2
configure script can't auto-detect aarch64
Updated 5 months ago3
Bug: got Infeasible on obviously feasible problem
Closed 5 months ago3
mipStart_ not copied in CbcModel copy constructor
Closed 5 months ago1
Wrong result with current master build
Closed 5 months ago3
Option '-threads 8' causes unpredictable hanging due to lock issue
Updated 6 months ago10
How to use latest CBC solver in Python PULP on MacOS
Updated 6 months ago1
Trouble creating vcpkg port
Closed 8 months ago7
Trying to end CBC Promt with ctrl-d leads to endless loop
Updated 8 months ago
osiUnitTest failure
Closed 8 months ago2
Bug? Huge variance in solving time
Closed 8 months ago3
Error installing Cbc solver in a docker image
Closed 8 months ago2
Question - interpretation of a sol file
Updated 8 months ago
Feature Request -- Retrieving multiple optimal solutions
Updated 9 months ago
Undefined reference to `node_count` when compiling
Closed 9 months ago5
CBC fails when initial solution is passed with mipstart
Closed 10 months ago2
"Conditional jump or move depends on uninitialised value" for model with SOS 2 and MIP start (master)
Closed 10 months ago2
CBC solution status "Stopped on Time Limit" when it didn't actually reach the time limit
Updated a year ago7
Discrepancy in config.guess between Releases and Master Branch
Updated a year ago1
Infeasible instead of 5552530
Updated a year ago14
printingOptions bound sometimes results in empty file
Closed a year ago3
missing Result after TimeOut
Closed a year ago4
Lazy and generated constraint model much slower than complete model
Updated a year ago7
Suboptimal MIP Solution with LazyConstraints due to analyzeObjective?
Closed a year ago2
CBC and CPLEX mismatch in optimal results
Updated a year ago
Wrong optimal solution - Random binpacking problem
Updated a year ago2
Missing nauty in static build
Closed a year ago3
Help~for run cbc examples
Updated a year ago1
CBC reports a "feasible" problem as "infeasible" despite presolve being turned off
Updated a year ago2
Soversion of the shared libs has to be bumped
Closed a year ago8
CBC MILP Solver returns "Infeasible" status, but lpsolve in R gives "feasible"
Updated a year ago17
Marginal vlaues/Shadow prices form CCB outputs
Closed a year ago2
Crash of Cbc C interface due to presolve
Updated a year ago
Configure needs to link to GLPK if the found Coinutils was built with GLPK, even if default solver is set to CLP
Updated a year ago
Problem to build stable
Updated a year ago2
2.10.9 update crashes in CbcBaseModel::waitForThreadsInTree
Closed a year ago24
CBC with semi continuous and binary variables reports infeasible or runs long
Updated 2 years ago1
Possible change in commandline parsing from 2.10.3
Updated 2 years ago4
Cbc not stopping once it's hit the relative gap
Closed 2 years ago
CBC not solving to optimality; seems to depend on variable naming
Updated 2 years ago5
Indicator Constraints
Updated 2 years ago3
CBC hangs on Linux
Closed 2 years ago10