How to build locally? I follow guide and get error #784

dzmitry-lahoda · 2024-01-26T01:04:04Z

dzmitry-lahoda
Jan 26, 2024

I checked that official PyPi is built like this

munmap(0x7ffff7e29000, 16384)           = 0
mmap(NULL, 16384, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ffff7e29000
munmap(0x7ffff7e29000, 16384)           = 0
mmap(NULL, 16384, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ffff7e29000
munmap(0x7ffff7e29000, 16384)           = 0
newfstatat(AT_FDCWD, "/home/dz/.cache/pypoetry/virtualenvs/cfmm-routing-code-qgsEVinW-py3.11/lib/python3.11/site-packages/pyscipopt", {st_mode=S_IFDIR|0755, st_size=4096, ...}, 0) = 0
newfstatat(AT_FDCWD, "/home/dz/.cache/pypoetry/virtualenvs/cfmm-routing-code-qgsEVinW-py3.11/lib/python3.11/site-packages/pyscipopt/scip.cpython-311-x86_64-linux-gnu.so", {st_mode=S_IFREG|0755, st_size=19505041, ...}, 0) = 0
mmap(NULL, 16384, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ffff7e29000
munmap(0x7ffff7e29000, 16384)           = 0
mmap(NULL, 16384, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ffff7e29000
munmap(0x7ffff7e29000, 16384)           = 0
openat(AT_FDCWD, "/home/dz/.cache/pypoetry/virtualenvs/cfmm-routing-code-qgsEVinW-py3.11/lib/python3.11/site-packages/pyscipopt/scip.cpython-311-x86_64-linux-gnu.so", O_RDONLY|O_CLOEXEC) = 5
read(5, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\360\363\2\0\0\0\0\0"..., 832) = 832
newfstatat(5, "", {st_mode=S_IFREG|0755, st_size=19505041, ...}, AT_EMPTY_PATH) = 0
mmap(NULL, 2244496, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 5, 0) = 0x7fff96a00000
mprotect(0x7fff96a2d000, 2048000, PROT_NONE) = 0
mmap(0x7fff96a2d000, 1589248, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 5, 0x2d000) = 0x7fff96a2d000
mmap(0x7fff96bb1000, 192512, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 5, 0x1b1000) = 0x7fff96bb1000
mmap(0x7fff96be0000, 217088, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 5, 0x1df000) = 0x7fff96be0000
mmap(0x7fff96c15000, 18560, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fff96c15000
mmap(0x7fff96c1a000, 28672, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 5, 0x1290000) = 0x7fff96c1a000
mmap(0x7fff96c21000, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 5, 0x1297000) = 0x7fff96c21000
close(5)                                = 0
openat(AT_FDCWD, "/home/dz/.cache/pypoetry/virtualenvs/cfmm-routing-code-qgsEVinW-py3.11/lib/python3.11/site-packages/pyscipopt/../PySCIPOpt.libs/glibc-hwcaps/x86-64-v4/libscip-bc9deba6.so.8.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
newfstatat(AT_FDCWD, "/home/dz/.cache/pypoetry/virtualenvs/cfmm-routing-code-qgsEVinW-py3.11/lib/python3.11/site-packages/pyscipopt/../PySCIPOpt.libs/glibc-hwcaps/x86-64-v4/", 0x7fffffff3710, 0) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/home/dz/.cache/pypoetry/virtualenvs/cfmm-routing-code-qgsEVinW-py3.11/lib/python3.11/site-packages/pyscipopt/../PySCIPOpt.libs/glibc-hwcaps/x86-64-v3/libscip-bc9deba6.so.8.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
newfstatat(AT_FDCWD, "/home/dz/.cache/pypoetry/virtualenvs/cfmm-routing-code-qgsEVinW-py3.11/lib/python3.11/site-packages/pyscipopt/../PySCIPOpt.libs/glibc-hwcaps/x86-64-v3/", 0x7fffffff3710, 0) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/home/dz/.cache/pypoetry/virtualenvs/cfmm-routing-code-qgsEVinW-py3.11/lib/python3.11/site-packages/pyscipopt/../PySCIPOpt.libs/glibc-hwcaps/x86-64-v2/libscip-bc9deba6.so.8.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
newfstatat(AT_FDCWD, "/home/dz/.cache/pypoetry/virtualenvs/cfmm-routing-code-qgsEVinW-py3.11/lib/python3.11/site-packages/pyscipopt/../PySCIPOpt.libs/glibc-hwcaps/x86-64-v2/", 0x7fffffff3710, 0) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/home/dz/.cache/pypoetry/virtualenvs/cfmm-routing-code-qgsEVinW-py3.11/lib/python3.11/site-packages/pyscipopt/../PySCIPOpt.libs/libscip-bc9deba6.so.8.0", O_RDONLY|O_CLOEXEC) = 5
read(5, "\177ELF\2\1\1\3\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\0\30\22\0\0\0\0\0"..., 832) = 832
newfstatat(5, "", {st_mode=S_IFREG|0755, st_size=16980289, ...}, AT_EMPTY_PATH) = 0
mmap(NULL, 20859200, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 5, 0) = 0x7fff95600000
mprotect(0x7fff9570a000, 19357696, PROT_NONE) = 0

dzmitry-lahoda · 2024-01-26T01:04:43Z

dzmitry-lahoda
Jan 26, 2024
Author

see it just routes symbol to real libs

(cfmm-routing-code-py3.11) objdump  -t /home/dz/.cache/pypoetry/virtualenvs/cfmm-routing-code-qgsEVinW-py3.11/lib/python3.11/site-packages/pyscipopt/scip.cpython-311-x86_64-linux-gnu.so  | grep SCIPgetLhsNonlinear
0000000000000000       F *UND*  0000000000000000              SCIPgetLhsNonlinear

16 replies

Joao-Dionisio Jan 26, 2024
Collaborator

Right now people at SCIP are busy, in a few days I'll tag someone who can pick this up.

But in the meantime, if you don't need to build things by yourself, you can always try using pip or conda. These methods are working well.

dzmitry-lahoda Jan 26, 2024
Author

Right now people at SCIP are busy, in a few days I'll tag someone who can pick this up.

would be awesome even some hints what to check.

But in the meantime, if you don't need to build things by yourself, you can always try using pip or conda. These methods are working well.

here is thing. I wanted SCIP with GMP, which is not default.

Cannot set feasibility tolerance to small value 1e-11 without GMP - using 1e-10.

Yeah, I know - do your ranges of numbers well. Yes - I am doing.

But I want solver solve first, be fast after. So for me GMP is essential just to make solver work.

So I cannot use PyPi releases.

In theory I can build with pip locally, but I doubt it will fix anything. I build locally using poetry. And if pip fixes, and my whole production is nix/poetry, i just cannot install it into cloud easy - will need to change my scripts a lot.

pip is nice, but if there is hint that poetry is problem.

Joao-Dionisio Jan 26, 2024
Collaborator

Hey @Opt-Mucca, do you have any clue about what's going on here? TLDR: nlpi changed location at some point in time, which makes it difficult to build things by yourself.

Opt-Mucca Jan 26, 2024
Collaborator

Hey @Joao-Dionisio @dzmitry-lahoda
I can help with this next week. Is it possible to summarise what the issue is and post it as an issue? I am confused on how to follow this discussion. I don't get the relationship between the nlpi changes and poetry.
Also, @dzmitry-lahoda is GMP that important for your use case? We will prepare the next release of PySCIPOpt through PyPI soon, and can update the plug-ins that it is shipped with if necessary.

dzmitry-lahoda Jan 26, 2024
Author

@Opt-Mucca thans for response.

there are several issues.

INSTALL.md mentiones nlpi folder. I do not observe such since SCIP 8.0. Should I or not? May be update INSTALL.md so it is clear.
GMP important, but not enough, IPOPT with MUMPS or SPRAL too. Here is description feat: pyscipopt for poor dummy laymans #786
INSTALL.md asks to use pip to manually build PySCIPOpt (which I need to use custom SCIP). My project and deploy use poetry. poetry seems work ok, but if it is related to next problem.
Unfortunately I get undefined symbol SCIPgetLhsNonlinear and I do not know what too look at. Versions I compiled together? Poetry? My machine? I checked via strace and objdump that correct libscip.so loaded by PySCIPOpt I compiled and libscip.so has SCIPgetLhsNonlinear defined symport exported. Correct means that I compile libscip.so and scip binary using same command, and skip can read and optimize NLP files.

dzmitry-lahoda · 2024-01-26T01:04:53Z

dzmitry-lahoda
Jan 26, 2024
Author

and it just works

0 replies

dzmitry-lahoda · 2024-01-26T01:05:32Z

dzmitry-lahoda
Jan 26, 2024
Author

real lib symbol is

(cfmm-routing-code-py3.11) objdump -t /home/dz/.cache/pypoetry/virtualenvs/cfmm-routing-code-qgsEVinW-py3.11/lib/python3.11/site-packages/pyscipopt/../PySCIPOpt.libs/libscip-bc9deba6.so.8.0 | grep SCIPgetLhsNonlinear
000000000021fe00 g     F .text  000000000000000a              SCIPgetLhsNonlinear
(cfmm-routing-code-py3.11)

0 replies

dzmitry-lahoda · 2024-01-26T01:08:09Z

dzmitry-lahoda
Jan 26, 2024
Author

here is manuall compiled package

newfstatat(AT_FDCWD, "/home/dz/github.com/scipopt/PySCIPOpt/src/pyscipopt/scip.cpython-311-x86_64-linux-gnu.so", {st_mode=S_IFREG|0755, st_size=13836232, ...}, 0) = 0
mmap(NULL, 16384, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ffff7e29000
munmap(0x7ffff7e29000, 16384)           = 0
mmap(NULL, 16384, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ffff7e29000
munmap(0x7ffff7e29000, 16384)           = 0
openat(AT_FDCWD, "/home/dz/github.com/scipopt/PySCIPOpt/src/pyscipopt/scip.cpython-311-x86_64-linux-gnu.so", O_RDONLY|O_CLOEXEC) = 5
read(5, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\0\0\0\0\0\0\0\0"..., 832) = 832
newfstatat(5, "", {st_mode=S_IFREG|0755, st_size=13836232, ...}, AT_EMPTY_PATH) = 0
mmap(NULL, 2233920, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 5, 0) = 0x7fff96a00000
mmap(0x7fff96a2e000, 1626112, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 5, 0x2e000) = 0x7fff96a2e000
mmap(0x7fff96bbb000, 184320, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 5, 0x1bb000) = 0x7fff96bbb000
mmap(0x7fff96be8000, 212992, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 5, 0x1e8000) = 0x7fff96be8000
mmap(0x7fff96c1c000, 22080, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fff96c1c000
close(5)                                = 0
openat(AT_FDCWD, "/nix/store/4zp05qkzh9s3c3k7pp9d36vhiz3x8h9l-gcc-13.2.0-lib/lib/libscip.so.8.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)o
openat(AT_FDCWD, "/nix/store/mrzfvc2gjy2mia0k4vrb95f2iff6xcxm-zlib-1.3/lib/libscip.so.8.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/1hjv10489fm00lckiicwsv3nlcm07njy-zlib-1.3-dev/lib/libscip.so.8.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/pxgx9ws41lkqrdkv2j0n8vmf7fh1ybz9-scip/lib/shared/glibc-hwcaps/x86-64-v4/libscip.so.8.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
newfstatat(AT_FDCWD, "/nix/store/pxgx9ws41lkqrdkv2j0n8vmf7fh1ybz9-scip/lib/shared/glibc-hwcaps/x86-64-v4/", 0x7fffffff3710, 0) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/pxgx9ws41lkqrdkv2j0n8vmf7fh1ybz9-scip/lib/shared/glibc-hwcaps/x86-64-v3/libscip.so.8.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
newfstatat(AT_FDCWD, "/nix/store/pxgx9ws41lkqrdkv2j0n8vmf7fh1ybz9-scip/lib/shared/glibc-hwcaps/x86-64-v3/", 0x7fffffff3710, 0) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/pxgx9ws41lkqrdkv2j0n8vmf7fh1ybz9-scip/lib/shared/glibc-hwcaps/x86-64-v2/libscip.so.8.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
newfstatat(AT_FDCWD, "/nix/store/pxgx9ws41lkqrdkv2j0n8vmf7fh1ybz9-scip/lib/shared/glibc-hwcaps/x86-64-v2/", 0x7fffffff3710, 0) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/pxgx9ws41lkqrdkv2j0n8vmf7fh1ybz9-scip/lib/shared/libscip.so.8.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
newfstatat(AT_FDCWD, "/nix/store/pxgx9ws41lkqrdkv2j0n8vmf7fh1ybz9-scip/lib/shared/", {st_mode=S_IFDIR|0555, st_size=4096, ...}, 0) = 0
openat(AT_FDCWD, "/home/dz/github.com/angeris/cfmm-routing-code/outputs/out/lib/glibc-hwcaps/x86-64-v4/libscip.so.8.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
newfstatat(AT_FDCWD, "/home/dz/github.com/angeris/cfmm-routing-code/outputs/out/lib/glibc-hwcaps/x86-64-v4/", 0x7fffffff3710, 0) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/home/dz/github.com/angeris/cfmm-routing-code/outputs/out/lib/glibc-hwcaps/x86-64-v3/libscip.so.8.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
newfstatat(AT_FDCWD, "/home/dz/github.com/angeris/cfmm-routing-code/outputs/out/lib/glibc-hwcaps/x86-64-v3/", 0x7fffffff3710, 0) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/home/dz/github.com/angeris/cfmm-routing-code/outputs/out/lib/glibc-hwcaps/x86-64-v2/libscip.so.8.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
newfstatat(AT_FDCWD, "/home/dz/github.com/angeris/cfmm-routing-code/outputs/out/lib/glibc-hwcaps/x86-64-v2/", 0x7fffffff3710, 0) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/home/dz/github.com/angeris/cfmm-routing-code/outputs/out/lib/libscip.so.8.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
newfstatat(AT_FDCWD, "/home/dz/github.com/angeris/cfmm-routing-code/outputs/out/lib/", 0x7fffffff3710, 0) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/pxgx9ws41lkqrdkv2j0n8vmf7fh1ybz9-scip/lib/glibc-hwcaps/x86-64-v4/libscip.so.8.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
newfstatat(AT_FDCWD, "/nix/store/pxgx9ws41lkqrdkv2j0n8vmf7fh1ybz9-scip/lib/glibc-hwcaps/x86-64-v4/", 0x7fffffff3710, 0) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/pxgx9ws41lkqrdkv2j0n8vmf7fh1ybz9-scip/lib/glibc-hwcaps/x86-64-v3/libscip.so.8.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
newfstatat(AT_FDCWD, "/nix/store/pxgx9ws41lkqrdkv2j0n8vmf7fh1ybz9-scip/lib/glibc-hwcaps/x86-64-v3/", 0x7fffffff3710, 0) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/pxgx9ws41lkqrdkv2j0n8vmf7fh1ybz9-scip/lib/glibc-hwcaps/x86-64-v2/libscip.so.8.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
newfstatat(AT_FDCWD, "/nix/store/pxgx9ws41lkqrdkv2j0n8vmf7fh1ybz9-scip/lib/glibc-hwcaps/x86-64-v2/", 0x7fffffff3710, 0) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/pxgx9ws41lkqrdkv2j0n8vmf7fh1ybz9-scip/lib/libscip.so.8.1", O_RDONLY|O_CLOEXEC) = 5
read(5, "\177ELF\2\1\1\3\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\0\0\0\0\0\0\0\0"..., 832) = 832
newfstatat(5, "", {st_mode=S_IFREG|0555, st_size=14848600, ...}, AT_EMPTY_PATH) = 0
mmap(NULL, 13636216, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 5, 0) = 0x7fff95c00000

0 replies

dzmitry-lahoda · 2024-01-26T01:09:02Z

dzmitry-lahoda
Jan 26, 2024
Author

it loads existing symbol

(cfmm-routing-code-py3.11) objdump -t /nix/store/pxgx9ws41lkqrdkv2j0n8vmf7fh1ybz9-scip/lib/libscip.so.8.1 | grep SCIPgetLhsNonlinear
00000000001f2830 l     F .text  000000000000000a              SCIPgetLhsNonlinear
(cfmm-routing-code-py3.11)

0 replies

dzmitry-lahoda · 2024-01-26T01:09:32Z

dzmitry-lahoda
Jan 26, 2024
Author

#PySCIPOpt = {version = "4.4.0"} # with GMP support
#PySCIPOpt = { git = "https://github.com/scipopt/PySCIPOpt.git", tag = "v4.4.0"} # with GMP support
PySCIPOpt = { path = "/home/dz/github.com/scipopt/PySCIPOpt", develop = true }

0 replies

dzmitry-lahoda · 2024-01-26T01:10:50Z

dzmitry-lahoda
Jan 26, 2024
Author

my pyscipopt is

bash-5.1$ git log 
commit 0b6bb13db6dd6eafa1ece660dedee11f4c226865 (HEAD, tag: v4.4.0)
Merge: 59564c6 077e32e
Author: Mohammed Ghannam <mohammad.m.ghannam@gmail.com>
Date:   Mon Dec 4 17:12:55 2023 +0100

    Merge pull request #761 from scipopt/update-version
    
    Update version

0 replies

dzmitry-lahoda · 2024-01-26T01:14:54Z

dzmitry-lahoda
Jan 26, 2024
Author

and i get ERROR

    from pyscipopt.scip import Model as ScipModel
../../scipopt/PySCIPOpt/src/pyscipopt/__init__.py:11: in <module>
    from pyscipopt.scip      import Model
E   ImportError: /home/dz/github.com/scipopt/PySCIPOpt/src/pyscipopt/scip.cpython-311-x86_64-linux-gnu.so: undefined symbol: SCIPgetLhsNonlinear) = 2396
write(1, "\n", 1
)                       = 1

0 replies

dzmitry-lahoda · 2024-01-26T01:16:57Z

dzmitry-lahoda
Jan 26, 2024
Author

In SCIP code I built manually with IPOPT and MUMPS all doubles, no changes for last time...

/** constraint data structure */
struct SCIP_Cons
#define SCIP_Real double

0 replies

dzmitry-lahoda · 2024-01-26T01:21:13Z

dzmitry-lahoda
Jan 26, 2024
Author

In general scip binary works and solves NL problems

bash-5.1$ ./result/bin/scip 
SCIP version 8.1.0 [precision: 8 byte] [memory: block] [mode: optimized] [LP solver: Soplex 6.0.3.5] [GitHash: NoGitInfo]
Copyright (c) 2002-2023 Zuse Institute Berlin (ZIB)

External libraries: 
  Readline 8.2         GNU library for command line editing (gnu.org/s/readline)
  Soplex 6.0.3.5       Linear Programming Solver developed at Zuse Institute Berlin (soplex.zib.de) [GitHash: NoGitInf]
  CppAD 20180000.0     Algorithmic Differentiation of C++ algorithms developed by B. Bell (github.com/coin-or/CppAD)
  ZLIB 1.3             General purpose compression library by J. Gailly and M. Adler (zlib.net)
  GMP 6.3.0            GNU Multiple Precision Arithmetic Library developed by T. Granlund (gmplib.org)
  ZIMPL 3.5.3          Zuse Institute Mathematical Programming Language developed by T. Koch (zimpl.zib.de)
  AMPL/MP 4e2d45c4     AMPL .nl file reader library (github.com/ampl/mp)
  PaPILO 2.1.5         parallel presolve for integer and linear optimization (github.com/scipopt/papilo)
  bliss 0.77           Computing Graph Automorphisms by T. Junttila and P. Kaski (users.aalto.fi/~tjunttil/bliss/)
  sassy 1.1            Symmetry preprocessor by Markus Anders (github.com/markusa4/sassy)
  Ipopt 3.14.14        Interior Point Optimizer developed by A. Waechter et.al. (github.com/coin-or/Ipopt)

user parameter file <scip.set> not found - using default parameters

SCIP>

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How to build locally? I follow guide and get error #784

dzmitry-lahoda Jan 26, 2024

Replies: 10 comments · 16 replies

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dzmitry-lahoda Jan 26, 2024 Author

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dzmitry-lahoda Jan 26, 2024 Author

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