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 ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK --sifa.max.parallel.explicit.values 2 --sifa.sizelimitfluid.max.disjunctions 4 -i ../../../trunk/examples/svcomp/list-simple/sll2c_update_all.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:04:46,079 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:04:46,081 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:04:46,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:04:46,099 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:04:46,101 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:04:46,103 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:04:46,115 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:04:46,116 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:04:46,117 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:04:46,119 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:04:46,121 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:04:46,121 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:04:46,125 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:04:46,126 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:04:46,128 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:04:46,130 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:04:46,131 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:04:46,134 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:04:46,140 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:04:46,141 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:04:46,142 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:04:46,145 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:04:46,146 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:04:46,150 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:04:46,150 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:04:46,150 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:04:46,153 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:04:46,154 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:04:46,155 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:04:46,155 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:04:46,157 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:04:46,157 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:04:46,158 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:04:46,160 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:04:46,160 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:04:46,161 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:04:46,161 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:04:46,161 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:04:46,163 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:04:46,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:04:46,165 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 17:04:46,189 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:04:46,189 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:04:46,193 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:04:46,194 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:04:46,194 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:04:46,194 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:04:46,194 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:04:46,195 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:04:46,195 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:04:46,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:04:46,196 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:04:46,196 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:04:46,196 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:04:46,197 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:04:46,197 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:04:46,197 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:04:46,198 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:04:46,198 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:04:46,198 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:04:46,198 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:04:46,198 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:04:46,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:04:46,200 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:04:46,200 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:04:46,200 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:04:46,200 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:04:46,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:04:46,201 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:04:46,201 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain 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 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Max. Parallel Explicit Values -> 2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: SizeLimitFluid Max. Disjunctions -> 4 [2019-09-25 17:04:46,264 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:04:46,282 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:04:46,286 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:04:46,287 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:04:46,288 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:04:46,288 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2c_update_all.i [2019-09-25 17:04:46,348 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/957565178/5f852cf9222d4a7387148fa470d3c337/FLAGce84f9099 [2019-09-25 17:04:46,842 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:04:46,843 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2c_update_all.i [2019-09-25 17:04:46,870 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/957565178/5f852cf9222d4a7387148fa470d3c337/FLAGce84f9099 [2019-09-25 17:04:47,176 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/957565178/5f852cf9222d4a7387148fa470d3c337 [2019-09-25 17:04:47,184 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:04:47,185 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:04:47,186 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:04:47,187 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:04:47,190 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:04:47,191 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:04:47" (1/1) ... [2019-09-25 17:04:47,193 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@342d9936 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:47, skipping insertion in model container [2019-09-25 17:04:47,194 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:04:47" (1/1) ... [2019-09-25 17:04:47,201 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:04:47,246 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:04:47,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:04:47,666 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:04:47,713 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:04:47,779 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:04:47,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:47 WrapperNode [2019-09-25 17:04:47,780 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:04:47,781 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:04:47,781 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:04:47,781 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:04:47,794 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:47" (1/1) ... [2019-09-25 17:04:47,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:47" (1/1) ... [2019-09-25 17:04:47,811 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:47" (1/1) ... [2019-09-25 17:04:47,811 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:47" (1/1) ... [2019-09-25 17:04:47,827 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:47" (1/1) ... [2019-09-25 17:04:47,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:47" (1/1) ... [2019-09-25 17:04:47,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:47" (1/1) ... [2019-09-25 17:04:47,848 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:04:47,849 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:04:47,849 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:04:47,849 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:04:47,850 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:47" (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 17:04:47,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:04:47,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:04:47,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-25 17:04:47,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-25 17:04:47,907 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-25 17:04:47,907 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-25 17:04:47,907 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_create [2019-09-25 17:04:47,908 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_destroy [2019-09-25 17:04:47,909 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_get_data_at [2019-09-25 17:04:47,909 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_update_at [2019-09-25 17:04:47,910 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:04:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:04:47,911 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-25 17:04:47,911 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-25 17:04:47,911 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-25 17:04:47,911 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-25 17:04:47,913 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-25 17:04:47,914 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-25 17:04:47,914 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-25 17:04:47,914 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-25 17:04:47,914 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-25 17:04:47,914 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-25 17:04:47,914 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-25 17:04:47,914 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-25 17:04:47,915 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-25 17:04:47,915 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-25 17:04:47,916 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-25 17:04:47,916 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-25 17:04:47,916 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-25 17:04:47,917 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-25 17:04:47,917 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-25 17:04:47,917 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-25 17:04:47,917 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-25 17:04:47,918 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-25 17:04:47,918 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-25 17:04:47,918 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-25 17:04:47,918 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-25 17:04:47,918 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-25 17:04:47,918 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-25 17:04:47,918 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-25 17:04:47,919 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-25 17:04:47,919 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-25 17:04:47,919 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-25 17:04:47,919 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-25 17:04:47,919 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-25 17:04:47,919 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-25 17:04:47,919 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-25 17:04:47,920 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-25 17:04:47,920 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-25 17:04:47,920 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-25 17:04:47,920 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-25 17:04:47,920 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-25 17:04:47,920 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-25 17:04:47,920 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-25 17:04:47,921 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-25 17:04:47,921 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-25 17:04:47,921 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-25 17:04:47,921 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-25 17:04:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-25 17:04:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-25 17:04:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-25 17:04:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-25 17:04:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-25 17:04:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-25 17:04:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 17:04:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-25 17:04:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-25 17:04:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 17:04:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-25 17:04:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-25 17:04:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-25 17:04:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-25 17:04:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-25 17:04:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-25 17:04:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-25 17:04:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-25 17:04:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-25 17:04:47,927 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-25 17:04:47,927 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-25 17:04:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-25 17:04:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-25 17:04:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-25 17:04:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-25 17:04:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-25 17:04:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-25 17:04:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-25 17:04:47,929 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-25 17:04:47,929 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-25 17:04:47,930 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-25 17:04:47,930 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-25 17:04:47,930 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-25 17:04:47,930 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-25 17:04:47,930 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-25 17:04:47,930 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-25 17:04:47,930 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-25 17:04:47,931 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-25 17:04:47,931 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-25 17:04:47,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-25 17:04:47,931 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-25 17:04:47,931 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-25 17:04:47,931 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-25 17:04:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-25 17:04:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-25 17:04:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-25 17:04:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-25 17:04:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-25 17:04:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-25 17:04:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-25 17:04:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-25 17:04:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-25 17:04:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-25 17:04:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-25 17:04:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-25 17:04:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-25 17:04:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-25 17:04:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-25 17:04:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-25 17:04:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-25 17:04:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-25 17:04:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 17:04:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 17:04:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 17:04:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_create [2019-09-25 17:04:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_destroy [2019-09-25 17:04:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 17:04:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 17:04:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_get_data_at [2019-09-25 17:04:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 17:04:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_update_at [2019-09-25 17:04:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:04:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:04:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:04:48,282 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-25 17:04:48,580 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:04:48,581 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-25 17:04:48,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:04:48 BoogieIcfgContainer [2019-09-25 17:04:48,582 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:04:48,583 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:04:48,583 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:04:48,583 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:04:48,584 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:04:48" (1/1) ... [2019-09-25 17:04:48,585 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ 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=4 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 17:04:48,612 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 17:04:48,613 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:04:48,626 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:04:48,633 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:04:48,634 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:04:48,778 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-25 17:04:48,873 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-25 17:04:48,971 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-25 17:04:50,254 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:04:50,255 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:04:50,257 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 157#(exists ((v_sll_circular_get_data_at_~head.offset_BEFORE_RETURN_2 Int) (v_sll_circular_get_data_at_~head.base_BEFORE_RETURN_2 Int) (v_sll_circular_get_data_at_~head.offset_BEFORE_RETURN_1 Int) (v_prenex_12 Int) (v_prenex_13 Int) (v_sll_circular_get_data_at_~head.base_BEFORE_RETURN_1 Int)) (or (and (= |#NULL.base| 0) (<= 0 (+ (select (select |#memory_int| v_sll_circular_get_data_at_~head.base_BEFORE_RETURN_2) (+ v_sll_circular_get_data_at_~head.offset_BEFORE_RETURN_2 4)) 2147483648)) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= main_~data~0 1) (= (+ (select (select |#memory_int| v_sll_circular_get_data_at_~head.base_BEFORE_RETURN_1) (+ v_sll_circular_get_data_at_~head.offset_BEFORE_RETURN_1 4)) 1) (+ main_~i~0 main_~len~0)) (<= (select (select |#memory_int| v_sll_circular_get_data_at_~head.base_BEFORE_RETURN_2) (+ v_sll_circular_get_data_at_~head.offset_BEFORE_RETURN_2 4)) 2147483647) (<= (+ main_~i~0 main_~len~0) 2147483648) (<= 0 (+ main_~i~0 main_~len~0 2147483647)) (not (= (select (select |#memory_int| v_sll_circular_get_data_at_~head.base_BEFORE_RETURN_2) (+ v_sll_circular_get_data_at_~head.offset_BEFORE_RETURN_2 4)) main_~expected~0)) (< main_~i~0 (+ main_~len~0 1)) (= |#NULL.offset| 0) (< main_~i~0 main_~len~0) (= (+ main_~i~0 (- 1)) 0) (= main_~len~0 2)) (and (= |#NULL.base| 0) (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= 0 (+ (select (select |#memory_int| v_prenex_13) (+ v_prenex_12 4)) 2147483648)) (< main_~i~0 main_~len~0) (= |#NULL.offset| 0) (not (= (select (select |#memory_int| v_prenex_13) (+ v_prenex_12 4)) main_~expected~0)) (= main_~data~0 1) (<= (select (select |#memory_int| v_prenex_13) (+ v_prenex_12 4)) 2147483647) (= main_~len~0 2) (= main_~i~0 0)))) [2019-09-25 17:04:50,271 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:04:50,272 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:04:50,273 INFO L168 Benchmark]: Toolchain (without parser) took 3087.73 ms. Allocated memory was 139.5 MB in the beginning and 261.6 MB in the end (delta: 122.2 MB). Free memory was 84.6 MB in the beginning and 202.6 MB in the end (delta: -118.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-09-25 17:04:50,274 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 139.5 MB. Free memory was 105.6 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 17:04:50,275 INFO L168 Benchmark]: CACSL2BoogieTranslator took 594.18 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 84.4 MB in the beginning and 162.2 MB in the end (delta: -77.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. [2019-09-25 17:04:50,275 INFO L168 Benchmark]: Boogie Preprocessor took 67.79 ms. Allocated memory is still 199.2 MB. Free memory was 162.2 MB in the beginning and 158.8 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2019-09-25 17:04:50,276 INFO L168 Benchmark]: RCFGBuilder took 733.27 ms. Allocated memory is still 199.2 MB. Free memory was 158.8 MB in the beginning and 101.5 MB in the end (delta: 57.3 MB). Peak memory consumption was 57.3 MB. Max. memory is 7.1 GB. [2019-09-25 17:04:50,276 INFO L168 Benchmark]: Sifa took 1689.15 ms. Allocated memory was 199.2 MB in the beginning and 261.6 MB in the end (delta: 62.4 MB). Free memory was 101.5 MB in the beginning and 202.6 MB in the end (delta: -101.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-25 17:04:50,279 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 139.5 MB. Free memory was 105.6 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 594.18 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 84.4 MB in the beginning and 162.2 MB in the end (delta: -77.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 67.79 ms. Allocated memory is still 199.2 MB. Free memory was 162.2 MB in the beginning and 158.8 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 733.27 ms. Allocated memory is still 199.2 MB. Free memory was 158.8 MB in the beginning and 101.5 MB in the end (delta: 57.3 MB). Peak memory consumption was 57.3 MB. Max. memory is 7.1 GB. * Sifa took 1689.15 ms. Allocated memory was 199.2 MB in the beginning and 261.6 MB in the end (delta: 62.4 MB). Free memory was 101.5 MB in the beginning and 202.6 MB in the end (delta: -101.1 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 1645, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 65, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 45, TOOLS_POST_TIME[ms]: 826, TOOLS_POST_CALL_APPLICATIONS: 15, TOOLS_POST_CALL_TIME[ms]: 84, TOOLS_POST_RETURN_APPLICATIONS: 14, TOOLS_POST_RETURN_TIME[ms]: 403, TOOLS_QUANTIFIERELIM_APPLICATIONS: 74, TOOLS_QUANTIFIERELIM_TIME[ms]: 1262, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 244, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 79, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 22, DOMAIN_JOIN_TIME[ms]: 149, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 9, DOMAIN_WIDEN_TIME[ms]: 56, DOMAIN_ISSUBSETEQ_APPLICATIONS: 14, DOMAIN_ISSUBSETEQ_TIME[ms]: 28, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 8, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 886, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 886, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 14, CALL_SUMMARIZER_APPLICATIONS: 14, CALL_SUMMARIZER_CACHE_MISSES: 6, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1453, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1453, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 20, DAG_COMPRESSION_PROCESSED_NODES: 126, DAG_COMPRESSION_RETAINED_NODES: 66 - UnprovableResult [Line: 626]: 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 157#(exists ((v_sll_circular_get_data_at_~head.offset_BEFORE_RETURN_2 Int) (v_sll_circular_get_data_at_~head.base_BEFORE_RETURN_2 Int) (v_sll_circular_get_data_at_~head.offset_BEFORE_RETURN_1 Int) (v_prenex_12 Int) (v_prenex_13 Int) (v_sll_circular_get_data_at_~head.base_BEFORE_RETURN_1 Int)) (or (and (= |#NULL.base| 0) (<= 0 (+ (select (select |#memory_int| v_sll_circular_get_data_at_~head.base_BEFORE_RETURN_2) (+ v_sll_circular_get_data_at_~head.offset_BEFORE_RETURN_2 4)) 2147483648)) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= main_~data~0 1) (= (+ (select (select |#memory_int| v_sll_circular_get_data_at_~head.base_BEFORE_RETURN_1) (+ v_sll_circular_get_data_at_~head.offset_BEFORE_RETURN_1 4)) 1) (+ main_~i~0 main_~len~0)) (<= (select (select |#memory_int| v_sll_circular_get_data_at_~head.base_BEFORE_RETURN_2) (+ v_sll_circular_get_data_at_~head.offset_BEFORE_RETURN_2 4)) 2147483647) (<= (+ main_~i~0 main_~len~0) 2147483648) (<= 0 (+ main_~i~0 main_~len~0 2147483647)) (not (= (select (select |#memory_int| v_sll_circular_get_data_at_~head.base_BEFORE_RETURN_2) (+ v_sll_circular_get_data_at_~head.offset_BEFORE_RETURN_2 4)) main_~expected~0)) (< main_~i~0 (+ main_~len~0 1)) (= |#NULL.offset| 0) (< main_~i~0 main_~len~0) (= (+ main_~i~0 (- 1)) 0) (= main_~len~0 2)) (and (= |#NULL.base| 0) (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= 0 (+ (select (select |#memory_int| v_prenex_13) (+ v_prenex_12 4)) 2147483648)) (< main_~i~0 main_~len~0) (= |#NULL.offset| 0) (not (= (select (select |#memory_int| v_prenex_13) (+ v_prenex_12 4)) main_~expected~0)) (= main_~data~0 1) (<= (select (select |#memory_int| v_prenex_13) (+ v_prenex_12 4)) 2147483647) (= main_~len~0 2) (= main_~i~0 0)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...