嵌入式软件动态运行时错误的检测

116MSN&E-mail:[e-mail]1Run-TimeError501201Run-timeErrorsRun-timeErrorsWindows216MSN&E-mail:[e-mail]1.1Windows20001.2WindowsXP1.3UNIXANSIC316MSN&E-mail:[e-mail](longtoshort,floattointeger)()/BerkeleyIBMWatsonIBM30%-40%222z416MSN&E-mail:[e-mail]1BUGBUG103PolySpacePolySpacePxyX=X/(X-Y)z1„XY„X–Y„XY0„X/(X–Y)30z2XY0XY516MSN&E-mail:[e-mail]3.1z3XY„„„XYXYXYXXYY0616MSN&E-mail:[e-mail]3.2XYXYz43XYX,Y(if-then-else,for,whileloops,switch)„„„„716MSN&E-mail:[e-mail]3.3441forOutofBoundspointerde-referencing816MSN&E-mail:[e-mail]42forOutofBoundsarrayaccess430foo00916MSN&E-mail:[e-mail]5PolySpace90%staticvoidRecursion(int*depth)97/*ifdepth0,recursionwillleadtodivisionbyzero*/98{floatadvance;99100*depth=*depth+1;101advance=1.0/(float)(*depth-6);/*potentialdivisionbyzero*/102……………..}*depth=10;100%*depth=50GlobalFlag*depth=10100%100%0staticvoidRecursion(int*depth)97/*ifdepth0,recursionwillleadtodivisionbyzero*/98{floatadvance;99100*depth=*depth+1;101advance=1.0/(float)(*depth-GlobalFlag);/*potentialdivisionbyzero*/103……………..}int*depth65536-32768+327671*depth=10100%1/6553601016MSN&E-mail:[e-mail]ySpace100%PolySpacePolySpacePolySpace6PolySpacez1116MSN&E-mail:[e-mail]6.1PolySpacezPolySpace46.2PolySpacez1216MSN&E-mail:[e-mail]6.3PolySpace6.4PolySpace1316MSN&E-mail:[e-mail]6.5PolySpacez6.6PolySpace7PolySpacePolySpace1416MSN&E-mail:[e-mail]7.1PolySpace107.25501/=501516MSN&E-mail:[e-mail]7.3PolySpace8zPolySpacezzPolySpaceANSI30zPolySpace30zPolySpace91.:[e-mail]10LoadRunnerACTWASWebMSNhotmail