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.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-simple/dll2n_update_all.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 14:10:07,131 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 14:10:07,133 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 14:10:07,145 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 14:10:07,145 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 14:10:07,146 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 14:10:07,148 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 14:10:07,150 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 14:10:07,152 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 14:10:07,153 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 14:10:07,154 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 14:10:07,155 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 14:10:07,155 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 14:10:07,156 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 14:10:07,158 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 14:10:07,159 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 14:10:07,160 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 14:10:07,161 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 14:10:07,163 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 14:10:07,165 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 14:10:07,166 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 14:10:07,167 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 14:10:07,169 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 14:10:07,169 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 14:10:07,172 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 14:10:07,172 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 14:10:07,172 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 14:10:07,173 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 14:10:07,174 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 14:10:07,175 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 14:10:07,175 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 14:10:07,176 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 14:10:07,177 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 14:10:07,178 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 14:10:07,179 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 14:10:07,179 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 14:10:07,180 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 14:10:07,180 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 14:10:07,180 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 14:10:07,181 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 14:10:07,182 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 14:10:07,183 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 14:10:07,198 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 14:10:07,198 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 14:10:07,200 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 14:10:07,200 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 14:10:07,200 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 14:10:07,200 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 14:10:07,201 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 14:10:07,201 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 14:10:07,201 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 14:10:07,201 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 14:10:07,201 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 14:10:07,202 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 14:10:07,202 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 14:10:07,202 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 14:10:07,202 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 14:10:07,202 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 14:10:07,203 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 14:10:07,203 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 14:10:07,203 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 14:10:07,203 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 14:10:07,203 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 14:10:07,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 14:10:07,204 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 14:10:07,204 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 14:10:07,204 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 14:10:07,205 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 14:10:07,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 14:10:07,205 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 14:10:07,205 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 14:10:07,237 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 14:10:07,250 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 14:10:07,253 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 14:10:07,255 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 14:10:07,255 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 14:10:07,256 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_update_all.i [2019-09-20 14:10:07,319 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f771beaf/41ce4daf3a104b2586814a72b1454ef3/FLAG404767eea [2019-09-20 14:10:07,820 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 14:10:07,821 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_update_all.i [2019-09-20 14:10:07,842 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f771beaf/41ce4daf3a104b2586814a72b1454ef3/FLAG404767eea [2019-09-20 14:10:08,082 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f771beaf/41ce4daf3a104b2586814a72b1454ef3 [2019-09-20 14:10:08,094 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 14:10:08,096 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 14:10:08,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 14:10:08,097 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 14:10:08,101 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 14:10:08,102 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:10:08" (1/1) ... [2019-09-20 14:10:08,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18ee50b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:08, skipping insertion in model container [2019-09-20 14:10:08,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:10:08" (1/1) ... [2019-09-20 14:10:08,113 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 14:10:08,163 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 14:10:08,608 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 14:10:08,619 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 14:10:08,674 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 14:10:08,740 INFO L192 MainTranslator]: Completed translation [2019-09-20 14:10:08,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:08 WrapperNode [2019-09-20 14:10:08,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 14:10:08,742 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 14:10:08,742 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 14:10:08,743 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 14:10:08,758 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:08" (1/1) ... [2019-09-20 14:10:08,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:08" (1/1) ... [2019-09-20 14:10:08,774 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:08" (1/1) ... [2019-09-20 14:10:08,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:08" (1/1) ... [2019-09-20 14:10:08,797 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:08" (1/1) ... [2019-09-20 14:10:08,810 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:08" (1/1) ... [2019-09-20 14:10:08,816 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:08" (1/1) ... [2019-09-20 14:10:08,827 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 14:10:08,828 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 14:10:08,828 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 14:10:08,828 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 14:10:08,831 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 14:10:08,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 14:10:08,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 14:10:08,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 14:10:08,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 14:10:08,891 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 14:10:08,891 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-20 14:10:08,891 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2019-09-20 14:10:08,891 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy [2019-09-20 14:10:08,892 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_get_data_at [2019-09-20 14:10:08,892 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_update_at [2019-09-20 14:10:08,892 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 14:10:08,892 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 14:10:08,892 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 14:10:08,892 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 14:10:08,893 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 14:10:08,893 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 14:10:08,893 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 14:10:08,893 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 14:10:08,893 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 14:10:08,894 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 14:10:08,894 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 14:10:08,894 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 14:10:08,894 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 14:10:08,894 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 14:10:08,894 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 14:10:08,895 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 14:10:08,895 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 14:10:08,895 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 14:10:08,895 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 14:10:08,895 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 14:10:08,895 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 14:10:08,896 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 14:10:08,896 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 14:10:08,896 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 14:10:08,896 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 14:10:08,896 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 14:10:08,896 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 14:10:08,897 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 14:10:08,897 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 14:10:08,897 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 14:10:08,897 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 14:10:08,897 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 14:10:08,897 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 14:10:08,898 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 14:10:08,898 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 14:10:08,898 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 14:10:08,898 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 14:10:08,898 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 14:10:08,898 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 14:10:08,898 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 14:10:08,899 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 14:10:08,899 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 14:10:08,899 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 14:10:08,899 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 14:10:08,899 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 14:10:08,899 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 14:10:08,900 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 14:10:08,900 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 14:10:08,900 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 14:10:08,900 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 14:10:08,900 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 14:10:08,900 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 14:10:08,901 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 14:10:08,901 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 14:10:08,901 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 14:10:08,901 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 14:10:08,901 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 14:10:08,901 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 14:10:08,901 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 14:10:08,902 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 14:10:08,902 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 14:10:08,902 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 14:10:08,902 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 14:10:08,902 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 14:10:08,902 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 14:10:08,903 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 14:10:08,903 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 14:10:08,903 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 14:10:08,903 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 14:10:08,903 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 14:10:08,903 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 14:10:08,903 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 14:10:08,904 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 14:10:08,904 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 14:10:08,904 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 14:10:08,904 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 14:10:08,904 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 14:10:08,904 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 14:10:08,905 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 14:10:08,905 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 14:10:08,905 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 14:10:08,905 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 14:10:08,905 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 14:10:08,905 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 14:10:08,905 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 14:10:08,906 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 14:10:08,906 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 14:10:08,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 14:10:08,906 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 14:10:08,906 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 14:10:08,906 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 14:10:08,906 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 14:10:08,907 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 14:10:08,907 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 14:10:08,907 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 14:10:08,907 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 14:10:08,907 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 14:10:08,907 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 14:10:08,907 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 14:10:08,907 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 14:10:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 14:10:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 14:10:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 14:10:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 14:10:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 14:10:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 14:10:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 14:10:08,909 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 14:10:08,909 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-20 14:10:08,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 14:10:08,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 14:10:08,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 14:10:08,909 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2019-09-20 14:10:08,910 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy [2019-09-20 14:10:08,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 14:10:08,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 14:10:08,910 INFO L130 BoogieDeclarations]: Found specification of procedure dll_get_data_at [2019-09-20 14:10:08,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 14:10:08,910 INFO L130 BoogieDeclarations]: Found specification of procedure dll_update_at [2019-09-20 14:10:08,910 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 14:10:08,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 14:10:08,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 14:10:09,310 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 14:10:09,646 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 14:10:09,646 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-20 14:10:09,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:10:09 BoogieIcfgContainer [2019-09-20 14:10:09,648 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 14:10:09,649 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 14:10:09,649 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 14:10:09,650 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 14:10:09,652 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:10:09" (1/1) ... [2019-09-20 14:10:09,652 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 14:10:09,689 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 14:10:09,689 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 14:10:09,709 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 14:10:09,719 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 14:10:09,721 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 14:10:09,874 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 14:10:10,071 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 14:10:10,329 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2019-09-20 14:10:11,230 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2019-09-20 14:10:11,363 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 14:10:11,478 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-20 14:10:11,747 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-09-20 14:10:11,844 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 14:10:17,941 WARN L191 SmtUtils]: Spent 6.10 s on a formula simplification. DAG size of input: 156 DAG size of output: 151 [2019-09-20 14:10:20,188 WARN L191 SmtUtils]: Spent 2.20 s on a formula simplification that was a NOOP. DAG size: 146 [2019-09-20 14:10:21,957 WARN L191 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 140 [2019-09-20 14:10:23,591 WARN L191 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 136 [2019-09-20 14:10:25,304 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 133 [2019-09-20 14:10:26,941 WARN L191 SmtUtils]: Spent 1.59 s on a formula simplification that was a NOOP. DAG size: 127 [2019-09-20 14:10:28,130 WARN L191 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 126 [2019-09-20 14:10:28,998 WARN L191 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 14:10:29,600 WARN L191 SmtUtils]: Spent 559.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-20 14:10:30,011 WARN L191 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 14:10:30,264 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-20 14:10:30,744 WARN L191 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2019-09-20 14:10:30,950 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-20 14:10:31,107 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 14:10:31,257 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 14:10:31,426 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-20 14:10:31,523 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 14:10:31,532 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 14:10:31,611 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 14:10:34,491 WARN L191 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2019-09-20 14:10:35,511 WARN L191 SmtUtils]: Spent 922.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 14:10:36,221 WARN L191 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-20 14:10:36,728 WARN L191 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 14:10:37,174 WARN L191 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-20 14:10:37,832 WARN L191 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-20 14:10:38,412 WARN L191 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2019-09-20 14:10:38,790 WARN L191 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 79 [2019-09-20 14:10:38,862 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 14:10:40,195 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 14:10:40,195 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 14:10:40,197 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 167#(exists ((v_prenex_26 Int) (v_prenex_23 Int) (v_prenex_12 Int) (v_prenex_11 Int) (v_prenex_22 Int) (v_prenex_25 Int) (v_prenex_14 Int) (v_prenex_24 Int) (v_prenex_13 Int) (v_prenex_10 Int) (v_prenex_21 Int) (v_prenex_9 Int) (v_dll_get_data_at_~head.base_BEFORE_RETURN_5 Int) (v_dll_get_data_at_~head.base_BEFORE_RETURN_1 Int) (v_dll_get_data_at_~head.base_BEFORE_RETURN_2 Int) (v_dll_get_data_at_~head.offset_BEFORE_RETURN_5 Int) (v_dll_get_data_at_~head.offset_BEFORE_RETURN_1 Int) (v_dll_get_data_at_~head.offset_BEFORE_RETURN_2 Int)) (or (and (<= 0 (+ (select (select |#memory_int| v_prenex_11) v_prenex_12) 2147483648)) (= 0 |#NULL.base|) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= (+ (select (select |#memory_int| v_prenex_11) v_prenex_12) 1) (+ main_~i~0 main_~len~0)) (= (+ main_~len~0 1) main_~new_data~0) (<= 0 (+ (select (select |#memory_int| v_prenex_21) v_prenex_22) 2147483648)) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (<= (select (select |#memory_int| v_prenex_11) v_prenex_12) 2147483647) (not (= (select (select |#memory_int| v_prenex_21) v_prenex_22) main_~expected~0)) (<= (select (select |#memory_int| v_prenex_21) v_prenex_22) 2147483647) (< main_~i~0 (+ main_~len~0 1)) (< main_~i~0 main_~len~0) (= |#NULL.offset| 0) (= (+ main_~i~0 (- 1)) 0) (= main_~len~0 2)) (and (<= (select (select |#memory_int| v_prenex_23) v_prenex_24) 2147483647) (< main_~i~0 (+ main_~len~0 2)) (= (+ (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_2) v_dll_get_data_at_~head.offset_BEFORE_RETURN_2) 1) (+ main_~i~0 main_~len~0)) (= 0 |#NULL.base|) (= (+ main_~i~0 (- 2)) 0) (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= 0 (+ (select (select |#memory_int| v_prenex_23) v_prenex_24) 2147483648)) (= (+ main_~len~0 1) main_~new_data~0) (<= 0 (+ main_~i~0 main_~len~0 2147483646)) (<= main_~len~0 2) (= main_~data~0 1) (<= (+ main_~i~0 main_~len~0) 2147483649) (= 0 (select |old(#valid)| 0)) (<= 0 (+ (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_2) v_dll_get_data_at_~head.offset_BEFORE_RETURN_2) 2147483648)) (not (= (select (select |#memory_int| v_prenex_23) v_prenex_24) main_~expected~0)) (<= (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_2) v_dll_get_data_at_~head.offset_BEFORE_RETURN_2) 2147483647) (< main_~i~0 (+ main_~len~0 1)) (< main_~i~0 main_~len~0) (= |#NULL.offset| 0) (= (+ main_~i~0 main_~len~0 (- 1)) (+ (select (select |#memory_int| v_prenex_9) v_prenex_10) 1)) (= main_~len~0 2)) (and (= 0 |#NULL.base|) (= (+ main_~i~0 main_~len~0) main_~expected~0) (not (= main_~expected~0 (select (select |#memory_int| v_prenex_25) v_prenex_26))) (= (+ main_~len~0 1) main_~new_data~0) (< main_~i~0 main_~len~0) (= |#NULL.offset| 0) (<= (select (select |#memory_int| v_prenex_25) v_prenex_26) 2147483647) (= main_~data~0 1) (<= 0 (+ (select (select |#memory_int| v_prenex_25) v_prenex_26) 2147483648)) (= 0 (select |old(#valid)| 0)) (= main_~len~0 2) (= main_~i~0 0)) (and (not (= (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_5) v_dll_get_data_at_~head.offset_BEFORE_RETURN_5) main_~expected~0)) (< main_~i~0 (+ main_~len~0 2)) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= 0 |#NULL.base|) (= (+ main_~i~0 (- 2)) 0) (<= (select (select |#memory_int| v_prenex_13) v_prenex_14) 2147483647) (= (+ (select (select |#memory_int| v_prenex_13) v_prenex_14) 1) (+ main_~i~0 main_~len~0)) (<= 0 (+ main_~i~0 main_~len~0 2147483646)) (= main_~new_data~0 main_~len~0) (<= (* 2 main_~len~0) (+ main_~new_data~0 1)) (= main_~data~0 1) (<= (+ main_~i~0 main_~len~0) 2147483649) (= 0 (select |old(#valid)| 0)) (<= (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_5) v_dll_get_data_at_~head.offset_BEFORE_RETURN_5) 2147483647) (<= 0 (+ (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_5) v_dll_get_data_at_~head.offset_BEFORE_RETURN_5) 2147483648)) (<= 0 (+ (select (select |#memory_int| v_prenex_13) v_prenex_14) 2147483648)) (< main_~i~0 (+ main_~len~0 1)) (< main_~i~0 main_~len~0) (= |#NULL.offset| 0) (= main_~len~0 2) (= (+ (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_1) v_dll_get_data_at_~head.offset_BEFORE_RETURN_1) 1) (+ main_~i~0 main_~len~0 (- 1)))))) [2019-09-20 14:10:40,221 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 14:10:40,221 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 14:10:40,222 INFO L168 Benchmark]: Toolchain (without parser) took 32127.13 ms. Allocated memory was 140.0 MB in the beginning and 356.5 MB in the end (delta: 216.5 MB). Free memory was 86.3 MB in the beginning and 270.8 MB in the end (delta: -184.5 MB). Peak memory consumption was 32.1 MB. Max. memory is 7.1 GB. [2019-09-20 14:10:40,224 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 14:10:40,224 INFO L168 Benchmark]: CACSL2BoogieTranslator took 645.13 ms. Allocated memory was 140.0 MB in the beginning and 200.8 MB in the end (delta: 60.8 MB). Free memory was 86.1 MB in the beginning and 165.0 MB in the end (delta: -78.9 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. [2019-09-20 14:10:40,225 INFO L168 Benchmark]: Boogie Preprocessor took 84.88 ms. Allocated memory is still 200.8 MB. Free memory was 165.0 MB in the beginning and 162.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2019-09-20 14:10:40,225 INFO L168 Benchmark]: RCFGBuilder took 820.94 ms. Allocated memory is still 200.8 MB. Free memory was 162.0 MB in the beginning and 101.8 MB in the end (delta: 60.2 MB). Peak memory consumption was 60.2 MB. Max. memory is 7.1 GB. [2019-09-20 14:10:40,226 INFO L168 Benchmark]: Sifa took 30572.35 ms. Allocated memory was 200.8 MB in the beginning and 356.5 MB in the end (delta: 155.7 MB). Free memory was 101.8 MB in the beginning and 270.8 MB in the end (delta: -168.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 14:10:40,233 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 645.13 ms. Allocated memory was 140.0 MB in the beginning and 200.8 MB in the end (delta: 60.8 MB). Free memory was 86.1 MB in the beginning and 165.0 MB in the end (delta: -78.9 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.88 ms. Allocated memory is still 200.8 MB. Free memory was 165.0 MB in the beginning and 162.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 820.94 ms. Allocated memory is still 200.8 MB. Free memory was 162.0 MB in the beginning and 101.8 MB in the end (delta: 60.2 MB). Peak memory consumption was 60.2 MB. Max. memory is 7.1 GB. * Sifa took 30572.35 ms. Allocated memory was 200.8 MB in the beginning and 356.5 MB in the end (delta: 155.7 MB). Free memory was 101.8 MB in the beginning and 270.8 MB in the end (delta: -168.9 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]: 30508, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 82, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 60, TOOLS_POST_TIME[ms]: 28037, TOOLS_POST_CALL_APPLICATIONS: 13, TOOLS_POST_CALL_TIME[ms]: 106, TOOLS_POST_RETURN_APPLICATIONS: 12, TOOLS_POST_RETURN_TIME[ms]: 31, TOOLS_QUANTIFIERELIM_APPLICATIONS: 75, TOOLS_QUANTIFIERELIM_TIME[ms]: 28130, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 19202, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 100, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 25, DOMAIN_JOIN_TIME[ms]: 1340, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 9, DOMAIN_WIDEN_TIME[ms]: 841, DOMAIN_ISSUBSETEQ_APPLICATIONS: 18, DOMAIN_ISSUBSETEQ_TIME[ms]: 31, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 4, LOOP_SUMMARIZER_APPLICATIONS: 9, LOOP_SUMMARIZER_CACHE_MISSES: 9, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 30017, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 30016, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 18, CALL_SUMMARIZER_APPLICATIONS: 12, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME[ms]: 29592, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 29591, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 23, 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 167#(exists ((v_prenex_26 Int) (v_prenex_23 Int) (v_prenex_12 Int) (v_prenex_11 Int) (v_prenex_22 Int) (v_prenex_25 Int) (v_prenex_14 Int) (v_prenex_24 Int) (v_prenex_13 Int) (v_prenex_10 Int) (v_prenex_21 Int) (v_prenex_9 Int) (v_dll_get_data_at_~head.base_BEFORE_RETURN_5 Int) (v_dll_get_data_at_~head.base_BEFORE_RETURN_1 Int) (v_dll_get_data_at_~head.base_BEFORE_RETURN_2 Int) (v_dll_get_data_at_~head.offset_BEFORE_RETURN_5 Int) (v_dll_get_data_at_~head.offset_BEFORE_RETURN_1 Int) (v_dll_get_data_at_~head.offset_BEFORE_RETURN_2 Int)) (or (and (<= 0 (+ (select (select |#memory_int| v_prenex_11) v_prenex_12) 2147483648)) (= 0 |#NULL.base|) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= (+ (select (select |#memory_int| v_prenex_11) v_prenex_12) 1) (+ main_~i~0 main_~len~0)) (= (+ main_~len~0 1) main_~new_data~0) (<= 0 (+ (select (select |#memory_int| v_prenex_21) v_prenex_22) 2147483648)) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (<= (select (select |#memory_int| v_prenex_11) v_prenex_12) 2147483647) (not (= (select (select |#memory_int| v_prenex_21) v_prenex_22) main_~expected~0)) (<= (select (select |#memory_int| v_prenex_21) v_prenex_22) 2147483647) (< main_~i~0 (+ main_~len~0 1)) (< main_~i~0 main_~len~0) (= |#NULL.offset| 0) (= (+ main_~i~0 (- 1)) 0) (= main_~len~0 2)) (and (<= (select (select |#memory_int| v_prenex_23) v_prenex_24) 2147483647) (< main_~i~0 (+ main_~len~0 2)) (= (+ (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_2) v_dll_get_data_at_~head.offset_BEFORE_RETURN_2) 1) (+ main_~i~0 main_~len~0)) (= 0 |#NULL.base|) (= (+ main_~i~0 (- 2)) 0) (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= 0 (+ (select (select |#memory_int| v_prenex_23) v_prenex_24) 2147483648)) (= (+ main_~len~0 1) main_~new_data~0) (<= 0 (+ main_~i~0 main_~len~0 2147483646)) (<= main_~len~0 2) (= main_~data~0 1) (<= (+ main_~i~0 main_~len~0) 2147483649) (= 0 (select |old(#valid)| 0)) (<= 0 (+ (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_2) v_dll_get_data_at_~head.offset_BEFORE_RETURN_2) 2147483648)) (not (= (select (select |#memory_int| v_prenex_23) v_prenex_24) main_~expected~0)) (<= (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_2) v_dll_get_data_at_~head.offset_BEFORE_RETURN_2) 2147483647) (< main_~i~0 (+ main_~len~0 1)) (< main_~i~0 main_~len~0) (= |#NULL.offset| 0) (= (+ main_~i~0 main_~len~0 (- 1)) (+ (select (select |#memory_int| v_prenex_9) v_prenex_10) 1)) (= main_~len~0 2)) (and (= 0 |#NULL.base|) (= (+ main_~i~0 main_~len~0) main_~expected~0) (not (= main_~expected~0 (select (select |#memory_int| v_prenex_25) v_prenex_26))) (= (+ main_~len~0 1) main_~new_data~0) (< main_~i~0 main_~len~0) (= |#NULL.offset| 0) (<= (select (select |#memory_int| v_prenex_25) v_prenex_26) 2147483647) (= main_~data~0 1) (<= 0 (+ (select (select |#memory_int| v_prenex_25) v_prenex_26) 2147483648)) (= 0 (select |old(#valid)| 0)) (= main_~len~0 2) (= main_~i~0 0)) (and (not (= (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_5) v_dll_get_data_at_~head.offset_BEFORE_RETURN_5) main_~expected~0)) (< main_~i~0 (+ main_~len~0 2)) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= 0 |#NULL.base|) (= (+ main_~i~0 (- 2)) 0) (<= (select (select |#memory_int| v_prenex_13) v_prenex_14) 2147483647) (= (+ (select (select |#memory_int| v_prenex_13) v_prenex_14) 1) (+ main_~i~0 main_~len~0)) (<= 0 (+ main_~i~0 main_~len~0 2147483646)) (= main_~new_data~0 main_~len~0) (<= (* 2 main_~len~0) (+ main_~new_data~0 1)) (= main_~data~0 1) (<= (+ main_~i~0 main_~len~0) 2147483649) (= 0 (select |old(#valid)| 0)) (<= (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_5) v_dll_get_data_at_~head.offset_BEFORE_RETURN_5) 2147483647) (<= 0 (+ (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_5) v_dll_get_data_at_~head.offset_BEFORE_RETURN_5) 2147483648)) (<= 0 (+ (select (select |#memory_int| v_prenex_13) v_prenex_14) 2147483648)) (< main_~i~0 (+ main_~len~0 1)) (< main_~i~0 main_~len~0) (= |#NULL.offset| 0) (= main_~len~0 2) (= (+ (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_1) v_dll_get_data_at_~head.offset_BEFORE_RETURN_1) 1) (+ main_~i~0 main_~len~0 (- 1)))))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...