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Created April 18, 2015 12:40
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tkelman@ygdesk:~/.julia/v0.4/CoinOptServices/.osil$ gdb --args ../deps/src/OS-2.9.2/build01/OS/src/OSSolverService -osil problem.osil
GNU gdb (Ubuntu 7.7.1-0ubuntu5~14.04.2) 7.7.1
Copyright (C) 2014 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
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and "show warranty" for details.
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Type "show configuration" for configuration details.
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Reading symbols from ../deps/src/OS-2.9.2/build01/OS/src/OSSolverService...done.
(gdb) break OsiSimpleInteger::createBranch
Breakpoint 1 at 0xdcd790: file ../../../../Osi/src/Osi/OsiBranchingObject.cpp, line 623.
(gdb) r
Starting program: /home/tkelman/.julia/v0.4/CoinOptServices/deps/src/OS-2.9.2/build01/OS/src/OSSolverService -osil problem.osil
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Optimization Services Solver
Main Authors: Horand Gassmann, Jun Ma, and Kipp Martin
Distributed under the Eclipse Public License
OS Version: 2.9.2
Build Date: Apr 18 2015
******************************************************************************
This program contains Ipopt, a library for large-scale nonlinear optimization.
Ipopt is released as open source code under the Eclipse Public License (EPL).
For more information visit http://projects.coin-or.org/Ipopt
******************************************************************************
Breakpoint 1, OsiSimpleInteger::createBranch (this=0x1cb6a10, solver=0x1c960a0,
info=0x7fffffffbe30, way=0) at ../../../../Osi/src/Osi/OsiBranchingObject.cpp:623
623 double value = info->solution_[columnNumber_];
(gdb) break 629
Breakpoint 2 at 0xdcd8af: file ../../../../Osi/src/Osi/OsiBranchingObject.cpp, line 629.
(gdb) c
Continuing.
Breakpoint 2, OsiSimpleInteger::createBranch (this=0x1cb6a10, solver=0x1c960a0,
info=0x7fffffffbe30, way=0) at ../../../../Osi/src/Osi/OsiBranchingObject.cpp:629
629 assert (fabs(value-nearest)>info->integerTolerance_);
(gdb) print value - nearest
$1 = 0.48803387604949977
(gdb) c
Continuing.
Breakpoint 1, OsiSimpleInteger::createBranch (this=0x1cb9dd0, solver=0x1c960a0,
info=0x7fffffffbe30, way=0) at ../../../../Osi/src/Osi/OsiBranchingObject.cpp:623
623 double value = info->solution_[columnNumber_];
(gdb) c
Continuing.
Breakpoint 2, OsiSimpleInteger::createBranch (this=0x1cb9dd0, solver=0x1c960a0,
info=0x7fffffffbe30, way=0) at ../../../../Osi/src/Osi/OsiBranchingObject.cpp:629
629 assert (fabs(value-nearest)>info->integerTolerance_);
(gdb) print value - nearest
$2 = 0.17863279063268722
(gdb) c
Continuing.
Breakpoint 1, OsiSimpleInteger::createBranch (this=0x1cb6a10, solver=0x1c960a0,
info=0x7fffffffbe30, way=0) at ../../../../Osi/src/Osi/OsiBranchingObject.cpp:623
623 double value = info->solution_[columnNumber_];
(gdb) c
Continuing.
Breakpoint 2, OsiSimpleInteger::createBranch (this=0x1cb6a10, solver=0x1c960a0,
info=0x7fffffffbe30, way=0) at ../../../../Osi/src/Osi/OsiBranchingObject.cpp:629
629 assert (fabs(value-nearest)>info->integerTolerance_);
(gdb) print value - nearest
$3 = 0.48803387604949977
(gdb) c
Continuing.
Breakpoint 1, OsiSimpleInteger::createBranch (this=0x1cb6a10, solver=0x1c960a0,
info=0x7fffffffbe30, way=1) at ../../../../Osi/src/Osi/OsiBranchingObject.cpp:623
623 double value = info->solution_[columnNumber_];
(gdb) c
Continuing.
Breakpoint 2, OsiSimpleInteger::createBranch (this=0x1cb6a10, solver=0x1c960a0,
info=0x7fffffffbe30, way=1) at ../../../../Osi/src/Osi/OsiBranchingObject.cpp:629
629 assert (fabs(value-nearest)>info->integerTolerance_);
(gdb) print value - nearest
$4 = 0
(gdb) print value
$5 = 1
(gdb) print nearest
$6 = 1
(gdb) bt
#0 OsiSimpleInteger::createBranch (this=0x1cb6a10, solver=0x1c960a0, info=0x7fffffffbe30, way=1)
at ../../../../Osi/src/Osi/OsiBranchingObject.cpp:629
#1 0x000000000077cafb in Bonmin::BonChooseVariable::chooseVariable (this=0x1ca0740,
solver=0x1c960a0, info=0x7fffffffbe30, fixVariables=true)
at ../../../../../Bonmin/src/Algorithms/Branching/BonChooseVariable.cpp:729
#2 0x0000000000978261 in CbcNode::chooseOsiBranch (this=0x1cb8060, model=0x1c40d78, lastNode=0x0,
usefulInfo=0x7fffffffbe30, branchState=0) at ../../../Cbc/src/CbcNode.cpp:5905
#3 0x00000000009531a6 in CbcModel::chooseBranch (this=0x1c40d78,
newNode=@0x7fffffffc290: 0x1cb8060, numberPassesLeft=1000, oldNode=0x0, cuts=...,
resolved=@0x7fffffffbf98: false, lastws=0x0, lowerBefore=0x0, upperBefore=0x0,
branches=@0x7fffffffca60: 0x0) at ../../../Cbc/src/CbcModel.cpp:14932
#4 0x00000000009291f7 in CbcModel::branchAndBound (this=0x1c40d78, doStatistics=0)
at ../../../Cbc/src/CbcModel.cpp:3958
#5 0x00000000007558b9 in Bonmin::Bab::branchAndBound (this=0x1c40d40, s=...)
at ../../../../Bonmin/src/CbcBonmin/BonCbc.cpp:525
#6 0x0000000000753060 in Bonmin::Bab::operator() (this=0x1c40d40, s=...)
at ../../../../Bonmin/src/CbcBonmin/BonCbc.cpp:100
#7 0x00000000005bac0d in BonminSolver::solve (this=0x1c40cf0)
at ../../../../OS/src/OSSolverInterfaces/OSBonminSolver.cpp:851
#8 0x00000000005b375b in runSolver (solverName=..., osol=..., osinstance=0x1c3f460)
at ../../../../OS/src/OSSolverInterfaces/OSRunSolver.cpp:79
#9 0x000000000040c1b9 in solve (oscommandline=0x1c403d0)
at ../../../OS/src/OSSolverService.cpp:827
#10 0x0000000000409fa5 in main (argC=3, argV=0x7fffffffe308)
at ../../../OS/src/OSSolverService.cpp:649
(gdb) print columnNumber_
$7 = 1
(gdb) print info->solution_[columnNumber_]
$8 = 1.4880338760494998
(gdb) print info->lower_[columnNumber_]
$9 = -2
(gdb) print info->upper_[columnNumber_]
$10 = 1
(gdb) print info->integerTolerance_
$11 = 9.9999999999999995e-07
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