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/dll2n_update_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:04:39,009 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:04:39,012 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:04:39,031 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:04:39,031 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:04:39,032 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:04:39,034 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:04:39,036 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:04:39,038 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:04:39,039 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:04:39,040 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:04:39,041 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:04:39,041 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:04:39,042 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:04:39,043 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:04:39,044 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:04:39,045 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:04:39,046 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:04:39,048 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:04:39,050 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:04:39,051 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:04:39,052 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:04:39,054 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:04:39,054 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:04:39,057 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:04:39,057 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:04:39,057 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:04:39,058 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:04:39,059 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:04:39,060 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:04:39,060 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:04:39,061 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:04:39,061 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:04:39,062 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:04:39,063 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:04:39,063 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:04:39,064 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:04:39,064 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:04:39,065 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:04:39,065 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:04:39,066 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:04:39,067 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 17:04:39,082 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:04:39,082 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:04:39,083 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:04:39,083 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:04:39,084 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:04:39,084 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:04:39,084 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:04:39,084 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:04:39,084 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:04:39,085 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:04:39,085 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:04:39,085 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:04:39,085 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:04:39,085 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:04:39,086 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:04:39,086 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:04:39,086 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:04:39,088 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:04:39,088 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:04:39,089 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:04:39,089 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:04:39,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:04:39,089 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:04:39,090 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:04:39,090 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:04:39,090 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:04:39,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:04:39,090 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:04:39,090 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 17:04:39,129 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:04:39,142 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:04:39,145 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:04:39,149 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:04:39,149 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:04:39,151 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i [2019-09-25 17:04:39,228 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65a19bcb0/bd6a0e9c40c04f03b20ce6515c3e68db/FLAG8d0fcc23b [2019-09-25 17:04:39,800 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:04:39,801 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i [2019-09-25 17:04:39,815 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65a19bcb0/bd6a0e9c40c04f03b20ce6515c3e68db/FLAG8d0fcc23b [2019-09-25 17:04:40,087 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65a19bcb0/bd6a0e9c40c04f03b20ce6515c3e68db [2019-09-25 17:04:40,096 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:04:40,097 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:04:40,098 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:04:40,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:04:40,102 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:04:40,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:04:40" (1/1) ... [2019-09-25 17:04:40,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ed11f4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:40, skipping insertion in model container [2019-09-25 17:04:40,106 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:04:40" (1/1) ... [2019-09-25 17:04:40,114 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:04:40,154 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:04:40,625 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:04:40,640 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:04:40,717 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:04:40,773 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:04:40,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:40 WrapperNode [2019-09-25 17:04:40,774 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:04:40,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:04:40,775 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:04:40,775 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:04:40,788 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:40" (1/1) ... [2019-09-25 17:04:40,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:40" (1/1) ... [2019-09-25 17:04:40,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:40" (1/1) ... [2019-09-25 17:04:40,805 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:40" (1/1) ... [2019-09-25 17:04:40,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:40" (1/1) ... [2019-09-25 17:04:40,830 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:40" (1/1) ... [2019-09-25 17:04:40,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:40" (1/1) ... [2019-09-25 17:04:40,841 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:04:40,841 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:04:40,842 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:04:40,842 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:04:40,843 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:40" (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 17:04:40,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:04:40,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:04:40,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-25 17:04:40,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-25 17:04:40,904 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-25 17:04:40,904 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-25 17:04:40,904 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2019-09-25 17:04:40,904 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy [2019-09-25 17:04:40,904 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_get_data_at [2019-09-25 17:04:40,905 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_update_at [2019-09-25 17:04:40,905 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:04:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:04:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-25 17:04:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-25 17:04:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-25 17:04:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-25 17:04:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-25 17:04:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-25 17:04:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-25 17:04:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-25 17:04:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-25 17:04:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-25 17:04:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-25 17:04:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-25 17:04:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-25 17:04:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-25 17:04:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-25 17:04:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-25 17:04:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-25 17:04:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-25 17:04:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-25 17:04:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-25 17:04:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-25 17:04:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-25 17:04:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-25 17:04:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-25 17:04:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-25 17:04:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-25 17:04:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-25 17:04:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-25 17:04:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-25 17:04:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-25 17:04:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-25 17:04:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-25 17:04:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-25 17:04:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-25 17:04:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-25 17:04:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-25 17:04:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-25 17:04:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-25 17:04:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-25 17:04:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-25 17:04:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-25 17:04:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-25 17:04:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-25 17:04:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-25 17:04:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-25 17:04:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-25 17:04:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-25 17:04:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-25 17:04:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-25 17:04:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-25 17:04:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-25 17:04:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-25 17:04:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 17:04:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-25 17:04:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-25 17:04:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 17:04:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-25 17:04:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-25 17:04:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-25 17:04:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-25 17:04:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-25 17:04:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-25 17:04:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-25 17:04:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-25 17:04:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-25 17:04:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-25 17:04:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-25 17:04:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-25 17:04:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-25 17:04:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-25 17:04:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-25 17:04:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-25 17:04:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-25 17:04:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-25 17:04:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-25 17:04:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-25 17:04:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-25 17:04:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-25 17:04:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-25 17:04:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-25 17:04:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-25 17:04:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-25 17:04:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-25 17:04:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-25 17:04:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-25 17:04:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-25 17:04:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-25 17:04:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-25 17:04:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-25 17:04:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-25 17:04:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-25 17:04:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-25 17:04:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-25 17:04:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-25 17:04:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-25 17:04:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-25 17:04:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-25 17:04:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-25 17:04:40,921 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-25 17:04:40,921 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-25 17:04:40,921 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-25 17:04:40,921 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-25 17:04:40,921 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-25 17:04:40,921 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-25 17:04:40,921 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-25 17:04:40,922 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-25 17:04:40,922 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-25 17:04:40,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 17:04:40,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 17:04:40,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 17:04:40,922 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2019-09-25 17:04:40,923 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy [2019-09-25 17:04:40,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 17:04:40,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 17:04:40,923 INFO L130 BoogieDeclarations]: Found specification of procedure dll_get_data_at [2019-09-25 17:04:40,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 17:04:40,923 INFO L130 BoogieDeclarations]: Found specification of procedure dll_update_at [2019-09-25 17:04:40,923 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:04:40,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:04:40,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:04:41,354 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-25 17:04:41,722 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:04:41,722 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-25 17:04:41,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:04:41 BoogieIcfgContainer [2019-09-25 17:04:41,723 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:04:41,724 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:04:41,724 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:04:41,725 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:04:41,726 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:04:41" (1/1) ... [2019-09-25 17:04:41,727 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 17:04:41,752 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 17:04:41,752 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:04:41,761 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:04:41,771 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:04:41,773 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:04:41,936 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-25 17:04:42,093 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-25 17:04:42,745 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-25 17:04:43,017 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-25 17:04:43,439 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-25 17:04:43,450 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-25 17:04:43,531 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-25 17:04:44,824 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-25 17:04:45,028 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:04:45,028 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:04:45,030 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 200#(exists ((v_dll_get_data_at_~head.base_BEFORE_RETURN_3 Int) (v_dll_get_data_at_~head.offset_BEFORE_RETURN_3 Int)) (and (= |#NULL.base| 0) (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= 0 (+ (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_3) v_dll_get_data_at_~head.offset_BEFORE_RETURN_3) 2147483648)) (not (= (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_3) v_dll_get_data_at_~head.offset_BEFORE_RETURN_3) main_~expected~0)) (= |#NULL.offset| 0) (<= main_~i~0 0) (= main_~data~0 1) (<= (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_3) v_dll_get_data_at_~head.offset_BEFORE_RETURN_3) 2147483647) (= main_~len~0 2))) [2019-09-25 17:04:45,044 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:04:45,044 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:04:45,046 INFO L168 Benchmark]: Toolchain (without parser) took 4948.83 ms. Allocated memory was 136.3 MB in the beginning and 277.9 MB in the end (delta: 141.6 MB). Free memory was 81.3 MB in the beginning and 95.0 MB in the end (delta: -13.7 MB). Peak memory consumption was 127.9 MB. Max. memory is 7.1 GB. [2019-09-25 17:04:45,052 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 136.3 MB. Free memory was 101.1 MB in the beginning and 100.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 17:04:45,056 INFO L168 Benchmark]: CACSL2BoogieTranslator took 676.14 ms. Allocated memory was 136.3 MB in the beginning and 198.2 MB in the end (delta: 61.9 MB). Free memory was 81.1 MB in the beginning and 160.4 MB in the end (delta: -79.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2019-09-25 17:04:45,057 INFO L168 Benchmark]: Boogie Preprocessor took 66.55 ms. Allocated memory is still 198.2 MB. Free memory was 160.4 MB in the beginning and 157.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-09-25 17:04:45,057 INFO L168 Benchmark]: RCFGBuilder took 882.07 ms. Allocated memory is still 198.2 MB. Free memory was 157.8 MB in the beginning and 98.0 MB in the end (delta: 59.8 MB). Peak memory consumption was 59.8 MB. Max. memory is 7.1 GB. [2019-09-25 17:04:45,059 INFO L168 Benchmark]: Sifa took 3320.62 ms. Allocated memory was 198.2 MB in the beginning and 277.9 MB in the end (delta: 79.7 MB). Free memory was 98.0 MB in the beginning and 95.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 82.7 MB. Max. memory is 7.1 GB. [2019-09-25 17:04:45,066 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 136.3 MB. Free memory was 101.1 MB in the beginning and 100.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 676.14 ms. Allocated memory was 136.3 MB in the beginning and 198.2 MB in the end (delta: 61.9 MB). Free memory was 81.1 MB in the beginning and 160.4 MB in the end (delta: -79.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 66.55 ms. Allocated memory is still 198.2 MB. Free memory was 160.4 MB in the beginning and 157.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 882.07 ms. Allocated memory is still 198.2 MB. Free memory was 157.8 MB in the beginning and 98.0 MB in the end (delta: 59.8 MB). Peak memory consumption was 59.8 MB. Max. memory is 7.1 GB. * Sifa took 3320.62 ms. Allocated memory was 198.2 MB in the beginning and 277.9 MB in the end (delta: 79.7 MB). Free memory was 98.0 MB in the beginning and 95.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 82.7 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]: 3278, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 74, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 54, TOOLS_POST_TIME[ms]: 2789, TOOLS_POST_CALL_APPLICATIONS: 11, TOOLS_POST_CALL_TIME[ms]: 46, TOOLS_POST_RETURN_APPLICATIONS: 10, TOOLS_POST_RETURN_TIME[ms]: 20, TOOLS_QUANTIFIERELIM_APPLICATIONS: 65, TOOLS_QUANTIFIERELIM_TIME[ms]: 2815, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 1273, FLUID_QUERY_TIME[ms]: 9, FLUID_QUERIES: 90, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 23, DOMAIN_JOIN_TIME[ms]: 202, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 7, DOMAIN_WIDEN_TIME[ms]: 86, DOMAIN_ISSUBSETEQ_APPLICATIONS: 16, DOMAIN_ISSUBSETEQ_TIME[ms]: 36, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 3, LOOP_SUMMARIZER_APPLICATIONS: 9, LOOP_SUMMARIZER_CACHE_MISSES: 9, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2988, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2987, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 16, CALL_SUMMARIZER_APPLICATIONS: 10, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME[ms]: 3084, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3084, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 18, 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 200#(exists ((v_dll_get_data_at_~head.base_BEFORE_RETURN_3 Int) (v_dll_get_data_at_~head.offset_BEFORE_RETURN_3 Int)) (and (= |#NULL.base| 0) (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= 0 (+ (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_3) v_dll_get_data_at_~head.offset_BEFORE_RETURN_3) 2147483648)) (not (= (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_3) v_dll_get_data_at_~head.offset_BEFORE_RETURN_3) main_~expected~0)) (= |#NULL.offset| 0) (<= main_~i~0 0) (= main_~data~0 1) (<= (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_3) v_dll_get_data_at_~head.offset_BEFORE_RETURN_3) 2147483647) (= main_~len~0 2))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...