<html><head><meta http-equiv="content-type" content="text/html; charset=us-ascii"><style>body { line-height: 1.5; }body { font-size: 10.5pt; font-family: 'Microsoft YaHei UI'; color: rgb(0, 0, 0); line-height: 1.5; }</style></head><body>Dear all,<div><br></div><div>My SCIP project termianted with error while it implemened SCIPfree(&scip).</div><div><br></div><div>I used valgrid to examine the error. The output is</div><div><br></div><div><div>==24309== 1 errors in context 1 of 73:</div><div>==24309== Invalid read of size 8</div><div>==24309== at 0x6C6D0B: garbagecollectChkmem (in /home/xyli/scip/applications/Coloring1/bin/coloring.linux.x86_64.gnu.opt.cpx)</div><div>==24309== by 0x6CB29B: BMSfreeBlockMemoryNull_call (in /home/xyli/scip/applications/Coloring1/bin/coloring.linux.x86_64.gnu.opt.cpx)</div><div>==24309== by 0x23171F: SCIPeventfilterFree (in /home/xyli/scip/applications/Coloring1/bin/coloring.linux.x86_64.gnu.opt.cpx)</div><div>==24309== by 0x3D9EFC: SCIPvarRelease (in /home/xyli/scip/applications/Coloring1/bin/coloring.linux.x86_64.gnu.opt.cpx)</div><div>==24309== by 0x32716E: SCIPprobFree (in /home/xyli/scip/applications/Coloring1/bin/coloring.linux.x86_64.gnu.opt.cpx)</div><div>==24309== by 0x3883CC: freeTransform (in /home/xyli/scip/applications/Coloring1/bin/coloring.linux.x86_64.gnu.opt.cpx)</div><div>==24309== by 0x388ABF: SCIPfreeProb (in /home/xyli/scip/applications/Coloring1/bin/coloring.linux.x86_64.gnu.opt.cpx)</div><div>==24309== by 0x388E5D: SCIPfree (in /home/xyli/scip/applications/Coloring1/bin/coloring.linux.x86_64.gnu.opt.cpx)</div><div>==24309== by 0x1489EA: SCIPrunColoringShell.constprop.0 (in /home/xyli/scip/applications/Coloring1/bin/coloring.linux.x86_64.gnu.opt.cpx)</div><div>==24309== by 0x13B9A3: main (in /home/xyli/scip/applications/Coloring1/bin/coloring.linux.x86_64.gnu.opt.cpx)</div><div>==24309== Address 0x28 is not stack'd, malloc'd or (recently) free'd</div></div><div><br></div><div>But I cannot figure out why this error happened. </div><div><br></div><div><br></div><div>Xiangyong</div></body></html>