java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-simple/dll2n_update_all.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 17:27:51,874 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 17:27:51,876 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 17:27:51,887 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 17:27:51,888 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 17:27:51,889 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 17:27:51,890 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 17:27:51,892 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 17:27:51,894 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 17:27:51,894 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 17:27:51,895 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 17:27:51,897 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 17:27:51,897 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 17:27:51,898 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 17:27:51,899 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 17:27:51,900 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 17:27:51,901 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 17:27:51,902 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 17:27:51,904 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 17:27:51,906 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 17:27:51,907 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 17:27:51,908 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 17:27:51,910 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 17:27:51,910 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 17:27:51,913 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 17:27:51,913 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 17:27:51,913 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 17:27:51,914 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 17:27:51,915 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 17:27:51,916 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 17:27:51,916 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 17:27:51,917 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 17:27:51,918 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 17:27:51,918 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 17:27:51,919 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 17:27:51,920 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 17:27:51,920 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 17:27:51,920 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 17:27:51,921 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 17:27:51,922 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 17:27:51,922 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 17:27:51,923 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 17:27:51,937 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 17:27:51,938 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 17:27:51,939 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 17:27:51,939 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 17:27:51,939 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 17:27:51,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 17:27:51,940 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 17:27:51,940 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 17:27:51,940 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 17:27:51,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 17:27:51,941 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 17:27:51,941 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 17:27:51,941 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 17:27:51,941 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 17:27:51,941 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 17:27:51,942 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 17:27:51,942 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 17:27:51,942 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 17:27:51,942 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 17:27:51,942 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 17:27:51,943 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 17:27:51,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 17:27:51,943 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 17:27:51,943 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 17:27:51,943 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 17:27:51,944 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 17:27:51,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 17:27:51,944 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 17:27:51,944 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 17:27:51,975 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 17:27:51,987 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 17:27:51,991 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 17:27:51,992 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 17:27:51,993 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 17:27:51,993 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_update_all.i [2019-09-20 17:27:52,053 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31b69f34f/76c3a885704f46768ec2235ee85fe4a2/FLAG4b167f75e [2019-09-20 17:27:52,551 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 17:27:52,552 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_update_all.i [2019-09-20 17:27:52,566 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31b69f34f/76c3a885704f46768ec2235ee85fe4a2/FLAG4b167f75e [2019-09-20 17:27:52,889 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31b69f34f/76c3a885704f46768ec2235ee85fe4a2 [2019-09-20 17:27:52,901 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 17:27:52,903 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 17:27:52,904 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 17:27:52,904 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 17:27:52,909 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 17:27:52,910 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:27:52" (1/1) ... [2019-09-20 17:27:52,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f98327e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:27:52, skipping insertion in model container [2019-09-20 17:27:52,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:27:52" (1/1) ... [2019-09-20 17:27:52,921 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 17:27:52,981 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 17:27:53,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:27:53,537 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 17:27:53,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:27:53,668 INFO L192 MainTranslator]: Completed translation [2019-09-20 17:27:53,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:27:53 WrapperNode [2019-09-20 17:27:53,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 17:27:53,670 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 17:27:53,670 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 17:27:53,670 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 17:27:53,684 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:27:53" (1/1) ... [2019-09-20 17:27:53,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:27:53" (1/1) ... [2019-09-20 17:27:53,720 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:27:53" (1/1) ... [2019-09-20 17:27:53,721 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:27:53" (1/1) ... [2019-09-20 17:27:53,750 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:27:53" (1/1) ... [2019-09-20 17:27:53,757 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:27:53" (1/1) ... [2019-09-20 17:27:53,760 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:27:53" (1/1) ... [2019-09-20 17:27:53,767 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 17:27:53,767 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 17:27:53,768 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 17:27:53,768 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 17:27:53,769 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:27:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 17:27:53,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 17:27:53,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 17:27:53,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 17:27:53,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 17:27:53,836 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 17:27:53,836 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-20 17:27:53,837 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2019-09-20 17:27:53,837 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy [2019-09-20 17:27:53,837 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_get_data_at [2019-09-20 17:27:53,837 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_update_at [2019-09-20 17:27:53,838 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 17:27:53,838 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 17:27:53,839 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 17:27:53,839 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 17:27:53,839 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 17:27:53,839 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 17:27:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 17:27:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 17:27:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 17:27:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 17:27:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 17:27:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 17:27:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 17:27:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 17:27:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 17:27:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 17:27:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 17:27:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 17:27:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 17:27:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 17:27:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 17:27:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 17:27:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 17:27:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 17:27:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 17:27:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 17:27:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 17:27:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 17:27:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 17:27:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 17:27:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 17:27:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 17:27:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 17:27:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 17:27:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 17:27:53,852 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 17:27:53,852 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 17:27:53,852 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 17:27:53,852 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 17:27:53,852 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 17:27:53,852 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 17:27:53,852 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 17:27:53,853 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 17:27:53,853 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 17:27:53,853 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 17:27:53,853 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 17:27:53,853 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 17:27:53,856 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 17:27:53,856 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 17:27:53,857 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 17:27:53,857 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 17:27:53,857 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 17:27:53,857 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 17:27:53,857 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 17:27:53,857 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 17:27:53,858 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 17:27:53,858 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 17:27:53,858 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 17:27:53,858 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 17:27:53,858 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 17:27:53,859 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 17:27:53,859 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 17:27:53,859 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 17:27:53,859 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 17:27:53,859 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 17:27:53,859 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 17:27:53,860 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 17:27:53,860 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 17:27:53,860 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 17:27:53,860 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 17:27:53,860 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 17:27:53,861 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 17:27:53,861 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 17:27:53,861 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 17:27:53,861 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 17:27:53,861 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 17:27:53,862 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 17:27:53,862 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 17:27:53,862 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 17:27:53,862 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 17:27:53,862 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 17:27:53,862 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 17:27:53,863 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 17:27:53,863 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 17:27:53,863 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 17:27:53,863 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 17:27:53,863 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 17:27:53,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 17:27:53,863 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 17:27:53,864 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 17:27:53,864 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 17:27:53,864 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 17:27:53,864 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 17:27:53,864 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 17:27:53,864 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 17:27:53,864 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 17:27:53,864 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 17:27:53,865 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 17:27:53,865 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 17:27:53,865 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 17:27:53,865 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 17:27:53,865 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 17:27:53,865 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 17:27:53,865 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 17:27:53,866 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 17:27:53,866 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 17:27:53,866 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 17:27:53,866 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 17:27:53,866 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-20 17:27:53,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 17:27:53,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 17:27:53,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 17:27:53,867 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2019-09-20 17:27:53,867 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy [2019-09-20 17:27:53,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 17:27:53,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 17:27:53,867 INFO L130 BoogieDeclarations]: Found specification of procedure dll_get_data_at [2019-09-20 17:27:53,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 17:27:53,868 INFO L130 BoogieDeclarations]: Found specification of procedure dll_update_at [2019-09-20 17:27:53,868 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 17:27:53,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 17:27:53,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 17:27:54,304 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 17:27:54,618 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 17:27:54,618 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-20 17:27:54,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:27:54 BoogieIcfgContainer [2019-09-20 17:27:54,620 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 17:27:54,620 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 17:27:54,621 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 17:27:54,621 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 17:27:54,622 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:27:54" (1/1) ... [2019-09-20 17:27:54,623 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 17:27:54,648 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 17:27:54,648 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 17:27:54,656 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 17:27:54,664 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 17:27:54,666 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 17:27:54,874 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 25 for LOIs [2019-09-20 17:27:55,064 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:27:55,324 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2019-09-20 17:27:55,913 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2019-09-20 17:27:56,194 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-09-20 17:27:56,467 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2019-09-20 17:27:56,941 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-09-20 17:27:59,648 WARN L191 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 165 DAG size of output: 135 [2019-09-20 17:28:00,995 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 132 [2019-09-20 17:28:01,882 WARN L191 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-20 17:28:02,498 WARN L191 SmtUtils]: Spent 570.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-20 17:28:02,944 WARN L191 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-20 17:28:03,510 WARN L191 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2019-09-20 17:28:03,726 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-20 17:28:03,896 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-20 17:28:04,094 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-20 17:28:04,528 WARN L191 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 84 [2019-09-20 17:28:04,929 WARN L191 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2019-09-20 17:28:05,026 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:28:05,107 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:28:05,116 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:28:05,125 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:28:06,994 WARN L191 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2019-09-20 17:28:08,337 WARN L191 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 97 [2019-09-20 17:28:08,893 WARN L191 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-20 17:28:09,243 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 17:28:09,490 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-20 17:28:09,868 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 72 [2019-09-20 17:28:10,155 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2019-09-20 17:28:10,284 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-20 17:28:10,402 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-20 17:28:10,668 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 64 [2019-09-20 17:28:10,734 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 17:28:11,639 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-09-20 17:28:11,846 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2019-09-20 17:28:12,539 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2019-09-20 17:28:12,793 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 92 [2019-09-20 17:28:13,113 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 92 [2019-09-20 17:28:13,305 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 17:28:13,305 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 17:28:13,307 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 232#(exists ((v_prenex_16 Int) (v_prenex_15 Int) (v_prenex_18 Int) (v_prenex_17 Int) (v_prenex_20 Int) (v_prenex_8 Int) (v_prenex_6 Int) (v_dll_get_data_at_~head.base_BEFORE_RETURN_5 Int) (v_prenex_7 Int) (v_prenex_4 Int) (v_prenex_5 Int) (v_dll_get_data_at_~head.base_BEFORE_RETURN_1 Int) (v_prenex_3 Int) (v_dll_get_data_at_~head.base_BEFORE_RETURN_2 Int) (v_dll_get_data_at_~head.offset_BEFORE_RETURN_5 Int) (v_dll_get_data_at_~head.offset_BEFORE_RETURN_1 Int) (v_prenex_19 Int) (v_dll_get_data_at_~head.offset_BEFORE_RETURN_2 Int)) (or (and (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= |#NULL.base| 0) (= (+ (select (select |#memory_int| v_prenex_5) v_prenex_6) 1) (+ main_~i~0 main_~len~0)) (<= 0 |#NULL.base|) (<= 0 main_~s~0.offset) (<= (* 2 main_~len~0) (+ main_~new_data~0 1)) (<= (select (select |#memory_int| v_prenex_17) v_prenex_18) 2147483647) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 1 main_~data~0) (<= 0 (+ (select (select |#memory_int| v_prenex_5) v_prenex_6) 2147483648)) (<= 0 (+ (select (select |#memory_int| v_prenex_17) v_prenex_18) 2147483648)) (<= (select (select |#memory_int| v_prenex_5) v_prenex_6) 2147483647) (<= main_~data~0 1) (not (= main_~expected~0 (select (select |#memory_int| v_prenex_17) v_prenex_18))) (< main_~i~0 (+ main_~len~0 1)) (< main_~i~0 main_~len~0) (= (+ main_~i~0 (- 1)) 0) (<= main_~s~0.offset 0) (<= 2 main_~len~0) (<= main_~new_data~0 3)) (and (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= 0 (+ main_~i~0 main_~len~0 2147483646)) (= main_~new_data~0 main_~len~0) (<= 0 |#NULL.base|) (= (+ (select (select |#memory_int| v_prenex_3) v_prenex_4) 1) (+ main_~i~0 main_~len~0 (- 1))) (<= (+ main_~i~0 main_~len~0) 2147483649) (<= 0 |#NULL.offset|) (< main_~i~0 (+ main_~len~0 1)) (<= (select (select |#memory_int| v_prenex_19) v_prenex_20) 2147483647) (< main_~i~0 main_~len~0) (= main_~len~0 2) (= (+ (select (select |#memory_int| v_prenex_7) v_prenex_8) 1) (+ main_~i~0 main_~len~0)) (<= (select (select |#memory_int| v_prenex_7) v_prenex_8) 2147483647) (< main_~i~0 (+ main_~len~0 2)) (= (+ main_~i~0 (- 2)) 0) (<= |#NULL.base| 0) (<= 0 main_~s~0.offset) (<= (* 2 main_~len~0) (+ main_~new_data~0 1)) (= main_~data~0 1) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 (+ (select (select |#memory_int| v_prenex_19) v_prenex_20) 2147483648)) (not (= (select (select |#memory_int| v_prenex_19) v_prenex_20) main_~expected~0)) (<= 0 (+ (select (select |#memory_int| v_prenex_7) v_prenex_8) 2147483648)) (<= main_~s~0.offset 0) (<= 2 main_~len~0)) (and (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= |#NULL.base| 0) (not (= main_~expected~0 (select (select |#memory_int| v_prenex_15) v_prenex_16))) (<= 0 |#NULL.base|) (<= 0 main_~s~0.offset) (<= (* 2 main_~len~0) (+ main_~new_data~0 1)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 1 main_~data~0) (<= main_~data~0 1) (<= 0 (+ (select (select |#memory_int| v_prenex_15) v_prenex_16) 2147483648)) (< main_~i~0 main_~len~0) (<= main_~s~0.offset 0) (<= 2 main_~len~0) (<= (select (select |#memory_int| v_prenex_15) v_prenex_16) 2147483647) (<= main_~new_data~0 3) (= main_~i~0 0)) (and (not (= (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_5) v_dll_get_data_at_~head.offset_BEFORE_RETURN_5) main_~expected~0)) (= (+ (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_2) v_dll_get_data_at_~head.offset_BEFORE_RETURN_2) 1) (+ main_~i~0 main_~len~0)) (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= 0 (+ main_~i~0 main_~len~0 2147483646)) (<= 0 |#NULL.base|) (<= (+ main_~i~0 main_~len~0) 2147483649) (<= 0 |#NULL.offset|) (<= (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_5) v_dll_get_data_at_~head.offset_BEFORE_RETURN_5) 2147483647) (<= (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_2) v_dll_get_data_at_~head.offset_BEFORE_RETURN_2) 2147483647) (< main_~i~0 (+ main_~len~0 1)) (<= (+ main_~len~0 1) main_~new_data~0) (< main_~i~0 main_~len~0) (= (+ (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_1) v_dll_get_data_at_~head.offset_BEFORE_RETURN_1) 1) (+ main_~i~0 main_~len~0 (- 1))) (<= main_~new_data~0 3) (< main_~i~0 (+ main_~len~0 2)) (= (+ main_~i~0 (- 2)) 0) (<= |#NULL.base| 0) (<= 0 main_~s~0.offset) (<= (* 2 main_~len~0) (+ main_~new_data~0 1)) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 1 main_~data~0) (<= 0 (+ (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_5) v_dll_get_data_at_~head.offset_BEFORE_RETURN_5) 2147483648)) (<= 0 (+ (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_2) v_dll_get_data_at_~head.offset_BEFORE_RETURN_2) 2147483648)) (<= main_~data~0 1) (<= main_~s~0.offset 0) (<= 2 main_~len~0)))) [2019-09-20 17:28:13,322 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 17:28:13,322 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 17:28:13,324 INFO L168 Benchmark]: Toolchain (without parser) took 20421.15 ms. Allocated memory was 140.0 MB in the beginning and 383.3 MB in the end (delta: 243.3 MB). Free memory was 86.1 MB in the beginning and 272.8 MB in the end (delta: -186.7 MB). Peak memory consumption was 56.6 MB. Max. memory is 7.1 GB. [2019-09-20 17:28:13,324 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 17:28:13,325 INFO L168 Benchmark]: CACSL2BoogieTranslator took 764.96 ms. Allocated memory was 140.0 MB in the beginning and 199.2 MB in the end (delta: 59.2 MB). Free memory was 85.9 MB in the beginning and 162.7 MB in the end (delta: -76.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2019-09-20 17:28:13,325 INFO L168 Benchmark]: Boogie Preprocessor took 97.55 ms. Allocated memory is still 199.2 MB. Free memory was 162.7 MB in the beginning and 160.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-09-20 17:28:13,326 INFO L168 Benchmark]: RCFGBuilder took 852.61 ms. Allocated memory is still 199.2 MB. Free memory was 160.2 MB in the beginning and 100.5 MB in the end (delta: 59.7 MB). Peak memory consumption was 59.7 MB. Max. memory is 7.1 GB. [2019-09-20 17:28:13,326 INFO L168 Benchmark]: Sifa took 18701.76 ms. Allocated memory was 199.2 MB in the beginning and 383.3 MB in the end (delta: 184.0 MB). Free memory was 100.5 MB in the beginning and 272.8 MB in the end (delta: -172.3 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2019-09-20 17:28:13,329 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 764.96 ms. Allocated memory was 140.0 MB in the beginning and 199.2 MB in the end (delta: 59.2 MB). Free memory was 85.9 MB in the beginning and 162.7 MB in the end (delta: -76.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 97.55 ms. Allocated memory is still 199.2 MB. Free memory was 162.7 MB in the beginning and 160.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 852.61 ms. Allocated memory is still 199.2 MB. Free memory was 160.2 MB in the beginning and 100.5 MB in the end (delta: 59.7 MB). Peak memory consumption was 59.7 MB. Max. memory is 7.1 GB. * Sifa took 18701.76 ms. Allocated memory was 199.2 MB in the beginning and 383.3 MB in the end (delta: 184.0 MB). Free memory was 100.5 MB in the beginning and 272.8 MB in the end (delta: -172.3 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 18660, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 82, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 60, TOOLS_POST_TIME[ms]: 13780, TOOLS_POST_CALL_APPLICATIONS: 13, TOOLS_POST_CALL_TIME[ms]: 179, TOOLS_POST_RETURN_APPLICATIONS: 12, TOOLS_POST_RETURN_TIME[ms]: 31, TOOLS_QUANTIFIERELIM_APPLICATIONS: 75, TOOLS_QUANTIFIERELIM_TIME[ms]: 13947, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 6786, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 100, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 25, DOMAIN_JOIN_TIME[ms]: 2834, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 9, DOMAIN_WIDEN_TIME[ms]: 1699, DOMAIN_ISSUBSETEQ_APPLICATIONS: 18, DOMAIN_ISSUBSETEQ_TIME[ms]: 29, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 3, LOOP_SUMMARIZER_APPLICATIONS: 9, LOOP_SUMMARIZER_CACHE_MISSES: 9, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 17872, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 17867, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 18, CALL_SUMMARIZER_APPLICATIONS: 12, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME[ms]: 16938, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 16938, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 27, DAG_COMPRESSION_PROCESSED_NODES: 137, DAG_COMPRESSION_RETAINED_NODES: 74 - UnprovableResult [Line: 630]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 232#(exists ((v_prenex_16 Int) (v_prenex_15 Int) (v_prenex_18 Int) (v_prenex_17 Int) (v_prenex_20 Int) (v_prenex_8 Int) (v_prenex_6 Int) (v_dll_get_data_at_~head.base_BEFORE_RETURN_5 Int) (v_prenex_7 Int) (v_prenex_4 Int) (v_prenex_5 Int) (v_dll_get_data_at_~head.base_BEFORE_RETURN_1 Int) (v_prenex_3 Int) (v_dll_get_data_at_~head.base_BEFORE_RETURN_2 Int) (v_dll_get_data_at_~head.offset_BEFORE_RETURN_5 Int) (v_dll_get_data_at_~head.offset_BEFORE_RETURN_1 Int) (v_prenex_19 Int) (v_dll_get_data_at_~head.offset_BEFORE_RETURN_2 Int)) (or (and (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= |#NULL.base| 0) (= (+ (select (select |#memory_int| v_prenex_5) v_prenex_6) 1) (+ main_~i~0 main_~len~0)) (<= 0 |#NULL.base|) (<= 0 main_~s~0.offset) (<= (* 2 main_~len~0) (+ main_~new_data~0 1)) (<= (select (select |#memory_int| v_prenex_17) v_prenex_18) 2147483647) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 1 main_~data~0) (<= 0 (+ (select (select |#memory_int| v_prenex_5) v_prenex_6) 2147483648)) (<= 0 (+ (select (select |#memory_int| v_prenex_17) v_prenex_18) 2147483648)) (<= (select (select |#memory_int| v_prenex_5) v_prenex_6) 2147483647) (<= main_~data~0 1) (not (= main_~expected~0 (select (select |#memory_int| v_prenex_17) v_prenex_18))) (< main_~i~0 (+ main_~len~0 1)) (< main_~i~0 main_~len~0) (= (+ main_~i~0 (- 1)) 0) (<= main_~s~0.offset 0) (<= 2 main_~len~0) (<= main_~new_data~0 3)) (and (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= 0 (+ main_~i~0 main_~len~0 2147483646)) (= main_~new_data~0 main_~len~0) (<= 0 |#NULL.base|) (= (+ (select (select |#memory_int| v_prenex_3) v_prenex_4) 1) (+ main_~i~0 main_~len~0 (- 1))) (<= (+ main_~i~0 main_~len~0) 2147483649) (<= 0 |#NULL.offset|) (< main_~i~0 (+ main_~len~0 1)) (<= (select (select |#memory_int| v_prenex_19) v_prenex_20) 2147483647) (< main_~i~0 main_~len~0) (= main_~len~0 2) (= (+ (select (select |#memory_int| v_prenex_7) v_prenex_8) 1) (+ main_~i~0 main_~len~0)) (<= (select (select |#memory_int| v_prenex_7) v_prenex_8) 2147483647) (< main_~i~0 (+ main_~len~0 2)) (= (+ main_~i~0 (- 2)) 0) (<= |#NULL.base| 0) (<= 0 main_~s~0.offset) (<= (* 2 main_~len~0) (+ main_~new_data~0 1)) (= main_~data~0 1) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 (+ (select (select |#memory_int| v_prenex_19) v_prenex_20) 2147483648)) (not (= (select (select |#memory_int| v_prenex_19) v_prenex_20) main_~expected~0)) (<= 0 (+ (select (select |#memory_int| v_prenex_7) v_prenex_8) 2147483648)) (<= main_~s~0.offset 0) (<= 2 main_~len~0)) (and (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= |#NULL.base| 0) (not (= main_~expected~0 (select (select |#memory_int| v_prenex_15) v_prenex_16))) (<= 0 |#NULL.base|) (<= 0 main_~s~0.offset) (<= (* 2 main_~len~0) (+ main_~new_data~0 1)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 1 main_~data~0) (<= main_~data~0 1) (<= 0 (+ (select (select |#memory_int| v_prenex_15) v_prenex_16) 2147483648)) (< main_~i~0 main_~len~0) (<= main_~s~0.offset 0) (<= 2 main_~len~0) (<= (select (select |#memory_int| v_prenex_15) v_prenex_16) 2147483647) (<= main_~new_data~0 3) (= main_~i~0 0)) (and (not (= (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_5) v_dll_get_data_at_~head.offset_BEFORE_RETURN_5) main_~expected~0)) (= (+ (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_2) v_dll_get_data_at_~head.offset_BEFORE_RETURN_2) 1) (+ main_~i~0 main_~len~0)) (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= 0 (+ main_~i~0 main_~len~0 2147483646)) (<= 0 |#NULL.base|) (<= (+ main_~i~0 main_~len~0) 2147483649) (<= 0 |#NULL.offset|) (<= (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_5) v_dll_get_data_at_~head.offset_BEFORE_RETURN_5) 2147483647) (<= (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_2) v_dll_get_data_at_~head.offset_BEFORE_RETURN_2) 2147483647) (< main_~i~0 (+ main_~len~0 1)) (<= (+ main_~len~0 1) main_~new_data~0) (< main_~i~0 main_~len~0) (= (+ (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_1) v_dll_get_data_at_~head.offset_BEFORE_RETURN_1) 1) (+ main_~i~0 main_~len~0 (- 1))) (<= main_~new_data~0 3) (< main_~i~0 (+ main_~len~0 2)) (= (+ main_~i~0 (- 2)) 0) (<= |#NULL.base| 0) (<= 0 main_~s~0.offset) (<= (* 2 main_~len~0) (+ main_~new_data~0 1)) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 1 main_~data~0) (<= 0 (+ (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_5) v_dll_get_data_at_~head.offset_BEFORE_RETURN_5) 2147483648)) (<= 0 (+ (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_2) v_dll_get_data_at_~head.offset_BEFORE_RETURN_2) 2147483648)) (<= main_~data~0 1) (<= main_~s~0.offset 0) (<= 2 main_~len~0)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...