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.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/list-simple/dll2c_update_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 16:21:28,989 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 16:21:28,991 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 16:21:29,003 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 16:21:29,004 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 16:21:29,005 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 16:21:29,007 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 16:21:29,009 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 16:21:29,011 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 16:21:29,012 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 16:21:29,013 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 16:21:29,014 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 16:21:29,014 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 16:21:29,015 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 16:21:29,016 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 16:21:29,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 16:21:29,019 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 16:21:29,020 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 16:21:29,022 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 16:21:29,024 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 16:21:29,026 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 16:21:29,028 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 16:21:29,029 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 16:21:29,030 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 16:21:29,032 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 16:21:29,033 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 16:21:29,033 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 16:21:29,034 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 16:21:29,035 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 16:21:29,036 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 16:21:29,036 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 16:21:29,037 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 16:21:29,038 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 16:21:29,038 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 16:21:29,040 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 16:21:29,040 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 16:21:29,041 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 16:21:29,041 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 16:21:29,041 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 16:21:29,042 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 16:21:29,043 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 16:21:29,044 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 [2019-09-25 16:21:29,059 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 16:21:29,060 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 16:21:29,061 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 16:21:29,061 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 16:21:29,061 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 16:21:29,062 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 16:21:29,062 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 16:21:29,062 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 16:21:29,062 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 16:21:29,062 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 16:21:29,063 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 16:21:29,063 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 16:21:29,063 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 16:21:29,063 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 16:21:29,063 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 16:21:29,064 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 16:21:29,064 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 16:21:29,064 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 16:21:29,064 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 16:21:29,064 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 16:21:29,065 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 16:21:29,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 16:21:29,065 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 16:21:29,065 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 16:21:29,065 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 16:21:29,066 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 16:21:29,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 16:21:29,066 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 16:21:29,066 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: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-25 16:21:29,111 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 16:21:29,125 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 16:21:29,129 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 16:21:29,131 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 16:21:29,131 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 16:21:29,132 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2c_update_all_reverse.i [2019-09-25 16:21:29,199 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69230b816/b4a08f54910245afbf4f989545dd5357/FLAG08846095d [2019-09-25 16:21:29,699 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 16:21:29,700 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2c_update_all_reverse.i [2019-09-25 16:21:29,725 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69230b816/b4a08f54910245afbf4f989545dd5357/FLAG08846095d [2019-09-25 16:21:30,055 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69230b816/b4a08f54910245afbf4f989545dd5357 [2019-09-25 16:21:30,069 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 16:21:30,071 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 16:21:30,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 16:21:30,072 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 16:21:30,076 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 16:21:30,077 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:21:30" (1/1) ... [2019-09-25 16:21:30,080 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d52fceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:21:30, skipping insertion in model container [2019-09-25 16:21:30,081 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:21:30" (1/1) ... [2019-09-25 16:21:30,089 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 16:21:30,144 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 16:21:30,621 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 16:21:30,640 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 16:21:30,693 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 16:21:30,764 INFO L192 MainTranslator]: Completed translation [2019-09-25 16:21:30,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:21:30 WrapperNode [2019-09-25 16:21:30,765 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 16:21:30,766 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 16:21:30,766 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 16:21:30,766 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 16:21:30,781 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:21:30" (1/1) ... [2019-09-25 16:21:30,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:21:30" (1/1) ... [2019-09-25 16:21:30,811 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:21:30" (1/1) ... [2019-09-25 16:21:30,812 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:21:30" (1/1) ... [2019-09-25 16:21:30,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:21:30" (1/1) ... [2019-09-25 16:21:30,836 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:21:30" (1/1) ... [2019-09-25 16:21:30,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:21:30" (1/1) ... [2019-09-25 16:21:30,848 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 16:21:30,848 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 16:21:30,848 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 16:21:30,849 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 16:21:30,850 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:21:30" (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 [2019-09-25 16:21:30,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 16:21:30,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 16:21:30,910 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-25 16:21:30,910 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-25 16:21:30,910 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-25 16:21:30,911 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-25 16:21:30,911 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_create [2019-09-25 16:21:30,911 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_destroy [2019-09-25 16:21:30,911 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_get_data_at [2019-09-25 16:21:30,911 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_update_at [2019-09-25 16:21:30,912 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 16:21:30,912 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 16:21:30,912 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-25 16:21:30,912 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-25 16:21:30,912 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-25 16:21:30,912 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-25 16:21:30,913 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-25 16:21:30,913 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-25 16:21:30,913 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-25 16:21:30,913 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-25 16:21:30,913 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-25 16:21:30,914 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-25 16:21:30,914 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-25 16:21:30,914 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-25 16:21:30,914 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-25 16:21:30,914 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-25 16:21:30,914 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-25 16:21:30,915 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-25 16:21:30,915 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-25 16:21:30,915 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-25 16:21:30,915 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-25 16:21:30,915 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-25 16:21:30,915 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-25 16:21:30,915 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-25 16:21:30,916 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-25 16:21:30,916 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-25 16:21:30,916 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-25 16:21:30,916 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-25 16:21:30,916 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-25 16:21:30,916 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-25 16:21:30,917 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-25 16:21:30,917 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-25 16:21:30,917 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-25 16:21:30,917 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-25 16:21:30,917 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-25 16:21:30,917 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-25 16:21:30,918 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-25 16:21:30,918 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-25 16:21:30,918 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-25 16:21:30,918 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-25 16:21:30,918 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-25 16:21:30,918 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-25 16:21:30,919 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-25 16:21:30,919 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-25 16:21:30,919 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-25 16:21:30,919 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-25 16:21:30,919 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-25 16:21:30,919 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-25 16:21:30,920 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-25 16:21:30,920 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-25 16:21:30,920 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-25 16:21:30,920 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-25 16:21:30,920 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-25 16:21:30,920 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-25 16:21:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 16:21:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-25 16:21:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-25 16:21:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 16:21:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-25 16:21:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-25 16:21:30,922 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-25 16:21:30,922 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-25 16:21:30,922 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-25 16:21:30,922 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-25 16:21:30,922 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-25 16:21:30,922 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-25 16:21:30,923 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-25 16:21:30,923 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-25 16:21:30,923 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-25 16:21:30,923 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-25 16:21:30,923 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-25 16:21:30,923 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-25 16:21:30,923 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-25 16:21:30,924 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-25 16:21:30,924 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-25 16:21:30,924 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-25 16:21:30,924 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-25 16:21:30,924 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-25 16:21:30,924 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-25 16:21:30,925 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-25 16:21:30,925 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-25 16:21:30,925 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-25 16:21:30,925 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-25 16:21:30,925 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-25 16:21:30,925 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-25 16:21:30,925 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-25 16:21:30,926 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-25 16:21:30,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-25 16:21:30,926 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-25 16:21:30,926 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-25 16:21:30,926 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-25 16:21:30,926 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-25 16:21:30,926 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-25 16:21:30,927 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-25 16:21:30,927 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-25 16:21:30,927 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-25 16:21:30,927 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-25 16:21:30,927 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-25 16:21:30,927 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-25 16:21:30,927 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-25 16:21:30,928 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-25 16:21:30,928 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-25 16:21:30,928 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-25 16:21:30,928 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-25 16:21:30,928 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-25 16:21:30,928 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-25 16:21:30,929 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-25 16:21:30,929 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-25 16:21:30,929 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-25 16:21:30,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 16:21:30,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 16:21:30,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 16:21:30,929 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_create [2019-09-25 16:21:30,930 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_destroy [2019-09-25 16:21:30,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 16:21:30,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 16:21:30,931 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_get_data_at [2019-09-25 16:21:30,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 16:21:30,931 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_update_at [2019-09-25 16:21:30,931 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 16:21:30,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 16:21:30,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 16:21:31,449 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-25 16:21:31,706 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 16:21:31,706 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-25 16:21:31,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:21:31 BoogieIcfgContainer [2019-09-25 16:21:31,708 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 16:21:31,709 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 16:21:31,709 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 16:21:31,709 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 16:21:31,710 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:21:31" (1/1) ... [2019-09-25 16:21:31,711 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 16:21:31,738 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 16:21:31,738 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 16:21:31,746 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 16:21:31,757 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 16:21:31,761 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 16:21:31,962 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-09-25 16:21:32,064 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-25 16:21:32,202 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-25 16:21:33,853 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-25 16:21:34,731 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-25 16:21:34,753 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-25 16:21:34,764 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-25 16:21:35,072 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 16:21:35,072 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 16:21:35,078 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 210#(exists ((v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_4 Int) (v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_4 Int)) (and (<= 0 (+ (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_4) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_4 8)) 2147483648)) (= (+ main_~i~0 main_~len~0) main_~expected~0) (not (= main_~expected~0 (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_4) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_4 8)))) (<= (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_4) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_4 8)) 2147483647) (< 0 (+ main_~i~0 1)))) [2019-09-25 16:21:35,095 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 16:21:35,095 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 16:21:35,099 INFO L168 Benchmark]: Toolchain (without parser) took 5026.80 ms. Allocated memory was 135.8 MB in the beginning and 276.8 MB in the end (delta: 141.0 MB). Free memory was 83.0 MB in the beginning and 108.0 MB in the end (delta: -24.9 MB). Peak memory consumption was 116.1 MB. Max. memory is 7.1 GB. [2019-09-25 16:21:35,100 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 135.8 MB. Free memory was 103.1 MB in the beginning and 102.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 16:21:35,104 INFO L168 Benchmark]: CACSL2BoogieTranslator took 693.48 ms. Allocated memory was 135.8 MB in the beginning and 197.1 MB in the end (delta: 61.3 MB). Free memory was 82.8 MB in the beginning and 158.8 MB in the end (delta: -75.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. [2019-09-25 16:21:35,105 INFO L168 Benchmark]: Boogie Preprocessor took 82.05 ms. Allocated memory is still 197.1 MB. Free memory was 158.8 MB in the beginning and 155.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2019-09-25 16:21:35,106 INFO L168 Benchmark]: RCFGBuilder took 859.93 ms. Allocated memory is still 197.1 MB. Free memory was 155.5 MB in the beginning and 93.2 MB in the end (delta: 62.3 MB). Peak memory consumption was 62.3 MB. Max. memory is 7.1 GB. [2019-09-25 16:21:35,107 INFO L168 Benchmark]: Sifa took 3386.98 ms. Allocated memory was 197.1 MB in the beginning and 276.8 MB in the end (delta: 79.7 MB). Free memory was 93.2 MB in the beginning and 108.0 MB in the end (delta: -14.7 MB). Peak memory consumption was 65.0 MB. Max. memory is 7.1 GB. [2019-09-25 16:21:35,119 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 135.8 MB. Free memory was 103.1 MB in the beginning and 102.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 693.48 ms. Allocated memory was 135.8 MB in the beginning and 197.1 MB in the end (delta: 61.3 MB). Free memory was 82.8 MB in the beginning and 158.8 MB in the end (delta: -75.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 82.05 ms. Allocated memory is still 197.1 MB. Free memory was 158.8 MB in the beginning and 155.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 859.93 ms. Allocated memory is still 197.1 MB. Free memory was 155.5 MB in the beginning and 93.2 MB in the end (delta: 62.3 MB). Peak memory consumption was 62.3 MB. Max. memory is 7.1 GB. * Sifa took 3386.98 ms. Allocated memory was 197.1 MB in the beginning and 276.8 MB in the end (delta: 79.7 MB). Free memory was 93.2 MB in the beginning and 108.0 MB in the end (delta: -14.7 MB). Peak memory consumption was 65.0 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]: 3341, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 65, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 45, TOOLS_POST_TIME[ms]: 2258, TOOLS_POST_CALL_APPLICATIONS: 14, TOOLS_POST_CALL_TIME[ms]: 87, TOOLS_POST_RETURN_APPLICATIONS: 13, TOOLS_POST_RETURN_TIME[ms]: 389, TOOLS_QUANTIFIERELIM_APPLICATIONS: 72, TOOLS_QUANTIFIERELIM_TIME[ms]: 2681, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 1426, FLUID_QUERY_TIME[ms]: 8, FLUID_QUERIES: 78, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 21, DOMAIN_JOIN_TIME[ms]: 340, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 7, DOMAIN_WIDEN_TIME[ms]: 109, DOMAIN_ISSUBSETEQ_APPLICATIONS: 13, DOMAIN_ISSUBSETEQ_TIME[ms]: 37, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 8, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2274, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2273, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 13, CALL_SUMMARIZER_APPLICATIONS: 13, CALL_SUMMARIZER_CACHE_MISSES: 6, CALL_SUMMARIZER_OVERALL_TIME[ms]: 2905, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2905, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 20, DAG_COMPRESSION_PROCESSED_NODES: 134, DAG_COMPRESSION_RETAINED_NODES: 71 - UnprovableResult [Line: 632]: 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 210#(exists ((v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_4 Int) (v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_4 Int)) (and (<= 0 (+ (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_4) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_4 8)) 2147483648)) (= (+ main_~i~0 main_~len~0) main_~expected~0) (not (= main_~expected~0 (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_4) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_4 8)))) (<= (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_4) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_4 8)) 2147483647) (< 0 (+ main_~i~0 1)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...