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_QUICK -i ../../../trunk/examples/svcomp/list-simple/sll2c_remove_all.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 08:29:16,949 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 08:29:16,951 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 08:29:16,964 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 08:29:16,964 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 08:29:16,966 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 08:29:16,967 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 08:29:16,969 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 08:29:16,971 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 08:29:16,972 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 08:29:16,973 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 08:29:16,974 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 08:29:16,974 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 08:29:16,975 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 08:29:16,976 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 08:29:16,977 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 08:29:16,978 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 08:29:16,979 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 08:29:16,981 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 08:29:16,983 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 08:29:16,984 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 08:29:16,985 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 08:29:16,986 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 08:29:16,987 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 08:29:16,990 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 08:29:16,990 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 08:29:16,990 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 08:29:16,991 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 08:29:16,991 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 08:29:16,992 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 08:29:16,992 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 08:29:16,993 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 08:29:16,994 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 08:29:16,995 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 08:29:16,996 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 08:29:16,996 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 08:29:16,997 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 08:29:16,997 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 08:29:16,997 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 08:29:16,998 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 08:29:16,999 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 08:29:17,000 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 [2019-09-21 08:29:17,015 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 08:29:17,015 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 08:29:17,017 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 08:29:17,017 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 08:29:17,017 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 08:29:17,018 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 08:29:17,018 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 08:29:17,018 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 08:29:17,018 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 08:29:17,018 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 08:29:17,019 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 08:29:17,019 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 08:29:17,019 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 08:29:17,019 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 08:29:17,019 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 08:29:17,020 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 08:29:17,020 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 08:29:17,020 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 08:29:17,020 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 08:29:17,021 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 08:29:17,021 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 08:29:17,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 08:29:17,021 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 08:29:17,022 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 08:29:17,022 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 08:29:17,022 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 08:29:17,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 08:29:17,023 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 08:29:17,023 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_QUICK [2019-09-21 08:29:17,055 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 08:29:17,069 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 08:29:17,073 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 08:29:17,074 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 08:29:17,075 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 08:29:17,075 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2c_remove_all.i [2019-09-21 08:29:17,141 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db2def32b/91e6595098a24594875995748c5c9f86/FLAG4d279520d [2019-09-21 08:29:17,712 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 08:29:17,713 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2c_remove_all.i [2019-09-21 08:29:17,742 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db2def32b/91e6595098a24594875995748c5c9f86/FLAG4d279520d [2019-09-21 08:29:17,963 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db2def32b/91e6595098a24594875995748c5c9f86 [2019-09-21 08:29:17,974 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 08:29:17,978 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 08:29:17,979 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 08:29:17,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 08:29:17,983 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 08:29:17,984 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:29:17" (1/1) ... [2019-09-21 08:29:17,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55f900ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:29:17, skipping insertion in model container [2019-09-21 08:29:17,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:29:17" (1/1) ... [2019-09-21 08:29:17,995 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 08:29:18,041 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 08:29:18,514 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:29:18,529 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 08:29:18,594 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:29:18,656 INFO L192 MainTranslator]: Completed translation [2019-09-21 08:29:18,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:29:18 WrapperNode [2019-09-21 08:29:18,657 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 08:29:18,658 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 08:29:18,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 08:29:18,658 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 08:29:18,672 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:29:18" (1/1) ... [2019-09-21 08:29:18,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:29:18" (1/1) ... [2019-09-21 08:29:18,698 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:29:18" (1/1) ... [2019-09-21 08:29:18,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:29:18" (1/1) ... [2019-09-21 08:29:18,715 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:29:18" (1/1) ... [2019-09-21 08:29:18,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:29:18" (1/1) ... [2019-09-21 08:29:18,724 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:29:18" (1/1) ... [2019-09-21 08:29:18,731 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 08:29:18,731 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 08:29:18,732 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 08:29:18,732 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 08:29:18,733 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:29:18" (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 [2019-09-21 08:29:18,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 08:29:18,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 08:29:18,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-21 08:29:18,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-21 08:29:18,790 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-21 08:29:18,790 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-21 08:29:18,790 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_create [2019-09-21 08:29:18,791 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_remove_first [2019-09-21 08:29:18,791 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 08:29:18,791 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 08:29:18,791 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-21 08:29:18,791 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-21 08:29:18,792 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-21 08:29:18,792 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-21 08:29:18,792 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-21 08:29:18,792 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-21 08:29:18,792 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-21 08:29:18,792 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-21 08:29:18,793 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-21 08:29:18,793 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-21 08:29:18,793 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-21 08:29:18,793 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-21 08:29:18,793 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-21 08:29:18,794 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-21 08:29:18,794 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-21 08:29:18,794 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-21 08:29:18,794 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-21 08:29:18,794 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-21 08:29:18,794 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-21 08:29:18,795 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-21 08:29:18,795 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-21 08:29:18,795 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-21 08:29:18,795 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-21 08:29:18,795 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-21 08:29:18,795 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-21 08:29:18,796 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-21 08:29:18,796 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-21 08:29:18,796 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-21 08:29:18,796 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-21 08:29:18,796 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-21 08:29:18,796 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-21 08:29:18,797 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-21 08:29:18,797 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-21 08:29:18,797 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-21 08:29:18,797 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-21 08:29:18,797 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-21 08:29:18,797 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-21 08:29:18,797 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-21 08:29:18,798 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-21 08:29:18,798 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-21 08:29:18,798 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-21 08:29:18,798 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-21 08:29:18,798 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-21 08:29:18,798 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-21 08:29:18,799 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-21 08:29:18,799 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-21 08:29:18,799 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-21 08:29:18,799 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-21 08:29:18,799 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-21 08:29:18,799 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-21 08:29:18,800 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-21 08:29:18,800 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-21 08:29:18,800 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 08:29:18,800 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-21 08:29:18,800 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-21 08:29:18,800 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 08:29:18,801 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-21 08:29:18,801 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-21 08:29:18,801 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-21 08:29:18,801 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-21 08:29:18,801 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-21 08:29:18,801 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-21 08:29:18,801 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-21 08:29:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-21 08:29:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-21 08:29:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-21 08:29:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-21 08:29:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-21 08:29:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-21 08:29:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-21 08:29:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-21 08:29:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-21 08:29:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-21 08:29:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-21 08:29:18,804 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-21 08:29:18,804 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-21 08:29:18,804 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-21 08:29:18,804 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-21 08:29:18,804 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-21 08:29:18,805 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-21 08:29:18,805 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-21 08:29:18,805 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-21 08:29:18,805 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-21 08:29:18,805 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-21 08:29:18,805 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-21 08:29:18,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-21 08:29:18,806 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-21 08:29:18,806 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-21 08:29:18,806 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-21 08:29:18,806 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-21 08:29:18,806 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-21 08:29:18,807 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-21 08:29:18,807 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-21 08:29:18,807 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-21 08:29:18,807 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-21 08:29:18,807 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-21 08:29:18,808 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-21 08:29:18,808 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-21 08:29:18,808 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-21 08:29:18,808 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-21 08:29:18,808 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-21 08:29:18,808 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-21 08:29:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-21 08:29:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-21 08:29:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-21 08:29:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-21 08:29:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-21 08:29:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 08:29:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 08:29:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 08:29:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_create [2019-09-21 08:29:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_remove_first [2019-09-21 08:29:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 08:29:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 08:29:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 08:29:18,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 08:29:18,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-21 08:29:18,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 08:29:18,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 08:29:18,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 08:29:19,184 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-21 08:29:19,453 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 08:29:19,453 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-21 08:29:19,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:29:19 BoogieIcfgContainer [2019-09-21 08:29:19,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 08:29:19,455 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 08:29:19,455 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 08:29:19,456 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 08:29:19,457 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:29:19" (1/1) ... [2019-09-21 08:29:19,458 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_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 08:29:19,482 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 08:29:19,483 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 08:29:19,491 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 08:29:19,500 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 08:29:19,501 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 08:29:19,683 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-21 08:29:19,860 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-21 08:29:19,922 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 08:29:21,756 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 08:29:21,894 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 08:29:21,912 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 08:29:21,931 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 08:29:21,948 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 08:29:21,965 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 08:29:21,982 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 08:29:21,998 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 08:29:22,191 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 08:29:22,531 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 08:29:22,720 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 08:29:22,720 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 08:29:22,722 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 116#(or (exists ((v_sll_circular_create_~last~0.base_BEFORE_RETURN_1 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1 Int) (v_prenex_10 Int)) (or (and (< |main_~#s~0.base| |#StackHeapBarrier|) (not (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) 0)) (= 0 |#NULL.base|) (= (select |#length| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 8) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 0) (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (< |#StackHeapBarrier| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (<= main_~len~0 1) (= 0 (select |old(#valid)| |main_~#s~0.base|)) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|))) (= main_~data~0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4)) (= |main_~#s~0.offset| 0) (not (< main_~i~0 main_~len~0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 0)) (= |#NULL.offset| 0) (not (= |main_~#s~0.base| 0)) (= main_~len~0 2) (= main_~i~0 0)) (and (< |main_~#s~0.base| |#StackHeapBarrier|) (not (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) 0)) (= 0 |#NULL.base|) (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) 4)) (< |#StackHeapBarrier| (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) 4)) (= 0 (select |old(#valid)| |main_~#s~0.base|)) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (not (= (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) 4) 0)) (= v_sll_circular_create_~last~0.base_BEFORE_RETURN_1 (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) 4)) (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) 4)) (= |main_~#s~0.offset| 0) (not (< main_~i~0 main_~len~0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) 4))) (= |#NULL.offset| 0) (not (= |main_~#s~0.base| 0)) (= main_~len~0 2) (= (select |#length| (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) 4)) 8) (= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) 4) 0) (= main_~i~0 0)) (and (< |main_~#s~0.base| |#StackHeapBarrier|) (not (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) 0)) (= 0 |#NULL.base|) (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) (select (select |#memory_$Pointer$.base| v_prenex_10) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1)) (= (select |#length| (select (select |#memory_$Pointer$.base| v_prenex_10) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1)) 8) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| v_prenex_10) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1))) (= 0 (select |old(#valid)| |main_~#s~0.base|)) (= main_~data~0 1) (< |#StackHeapBarrier| (select (select |#memory_$Pointer$.base| v_prenex_10) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1)) (= 0 (select |old(#valid)| 0)) (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) (select (select |#memory_$Pointer$.offset| v_prenex_10) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1)) (not (= 0 (select (select |#memory_$Pointer$.base| v_prenex_10) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1))) (= |main_~#s~0.offset| 0) (not (< main_~i~0 main_~len~0)) (= |#NULL.offset| 0) (not (= |main_~#s~0.base| 0)) (= (select (select |#memory_$Pointer$.offset| v_prenex_10) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1) 0) (= main_~len~0 2) (= main_~i~0 0)) (and (< |main_~#s~0.base| |#StackHeapBarrier|) (= 0 |#NULL.base|) (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) 4)) (< |#StackHeapBarrier| (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) 4)) (= 0 (select |old(#valid)| |main_~#s~0.base|)) (= main_~data~0 1) (not (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0)) (= 0 (select |old(#valid)| 0)) (not (= (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) 4) 0)) (= v_sll_circular_create_~last~0.base_BEFORE_RETURN_1 (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) 4)) (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) 4)) (= |main_~#s~0.offset| 0) (not (< main_~i~0 main_~len~0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) 4))) (= |#NULL.offset| 0) (not (= |main_~#s~0.base| 0)) (= main_~len~0 2) (= (select |#length| (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) 4)) 8) (= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) 4) 0) (= main_~i~0 0)) (and (< |main_~#s~0.base| |#StackHeapBarrier|) (= 0 |#NULL.base|) (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) (select (select |#memory_$Pointer$.base| v_prenex_10) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1)) (= (select |#length| (select (select |#memory_$Pointer$.base| v_prenex_10) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1)) 8) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| v_prenex_10) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1))) (= 0 (select |old(#valid)| |main_~#s~0.base|)) (= main_~data~0 1) (not (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0)) (< |#StackHeapBarrier| (select (select |#memory_$Pointer$.base| v_prenex_10) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1)) (= 0 (select |old(#valid)| 0)) (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) (select (select |#memory_$Pointer$.offset| v_prenex_10) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1)) (not (= 0 (select (select |#memory_$Pointer$.base| v_prenex_10) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1))) (= |main_~#s~0.offset| 0) (not (< main_~i~0 main_~len~0)) (= |#NULL.offset| 0) (not (= |main_~#s~0.base| 0)) (= (select (select |#memory_$Pointer$.offset| v_prenex_10) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1) 0) (= main_~len~0 2) (= main_~i~0 0)))) (and (not (< main_~i~0 main_~len~0)) (or (not (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0))))) [2019-09-21 08:29:22,735 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 08:29:22,736 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 08:29:22,738 INFO L168 Benchmark]: Toolchain (without parser) took 4762.31 ms. Allocated memory was 129.0 MB in the beginning and 283.1 MB in the end (delta: 154.1 MB). Free memory was 83.8 MB in the beginning and 120.0 MB in the end (delta: -36.2 MB). Peak memory consumption was 118.0 MB. Max. memory is 7.1 GB. [2019-09-21 08:29:22,738 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 129.0 MB. Free memory was 103.1 MB in the beginning and 102.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 08:29:22,739 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.08 ms. Allocated memory was 129.0 MB in the beginning and 197.7 MB in the end (delta: 68.7 MB). Free memory was 83.6 MB in the beginning and 161.0 MB in the end (delta: -77.4 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. [2019-09-21 08:29:22,739 INFO L168 Benchmark]: Boogie Preprocessor took 73.56 ms. Allocated memory is still 197.7 MB. Free memory was 161.0 MB in the beginning and 158.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-09-21 08:29:22,740 INFO L168 Benchmark]: RCFGBuilder took 723.35 ms. Allocated memory is still 197.7 MB. Free memory was 158.2 MB in the beginning and 106.1 MB in the end (delta: 52.1 MB). Peak memory consumption was 52.1 MB. Max. memory is 7.1 GB. [2019-09-21 08:29:22,741 INFO L168 Benchmark]: Sifa took 3280.96 ms. Allocated memory was 197.7 MB in the beginning and 283.1 MB in the end (delta: 85.5 MB). Free memory was 106.1 MB in the beginning and 120.0 MB in the end (delta: -13.8 MB). Peak memory consumption was 71.6 MB. Max. memory is 7.1 GB. [2019-09-21 08:29:22,746 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 129.0 MB. Free memory was 103.1 MB in the beginning and 102.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 678.08 ms. Allocated memory was 129.0 MB in the beginning and 197.7 MB in the end (delta: 68.7 MB). Free memory was 83.6 MB in the beginning and 161.0 MB in the end (delta: -77.4 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 73.56 ms. Allocated memory is still 197.7 MB. Free memory was 161.0 MB in the beginning and 158.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 723.35 ms. Allocated memory is still 197.7 MB. Free memory was 158.2 MB in the beginning and 106.1 MB in the end (delta: 52.1 MB). Peak memory consumption was 52.1 MB. Max. memory is 7.1 GB. * Sifa took 3280.96 ms. Allocated memory was 197.7 MB in the beginning and 283.1 MB in the end (delta: 85.5 MB). Free memory was 106.1 MB in the beginning and 120.0 MB in the end (delta: -13.8 MB). Peak memory consumption was 71.6 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]: 3240, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 56, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 42, TOOLS_POST_TIME[ms]: 956, TOOLS_POST_CALL_APPLICATIONS: 11, TOOLS_POST_CALL_TIME[ms]: 212, TOOLS_POST_RETURN_APPLICATIONS: 10, TOOLS_POST_RETURN_TIME[ms]: 1740, TOOLS_QUANTIFIERELIM_APPLICATIONS: 63, TOOLS_QUANTIFIERELIM_TIME[ms]: 2866, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 1308, FLUID_QUERY_TIME[ms]: 8, FLUID_QUERIES: 63, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 18, DOMAIN_JOIN_TIME[ms]: 139, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 2, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 63, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 12, DOMAIN_ISBOTTOM_APPLICATIONS: 6, DOMAIN_ISBOTTOM_TIME[ms]: 16, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 831, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 830, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 10, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1625, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1625, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 20, DAG_COMPRESSION_PROCESSED_NODES: 134, DAG_COMPRESSION_RETAINED_NODES: 63 - UnprovableResult [Line: 612]: 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 116#(or (exists ((v_sll_circular_create_~last~0.base_BEFORE_RETURN_1 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1 Int) (v_prenex_10 Int)) (or (and (< |main_~#s~0.base| |#StackHeapBarrier|) (not (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) 0)) (= 0 |#NULL.base|) (= (select |#length| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 8) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 0) (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (< |#StackHeapBarrier| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) (<= main_~len~0 1) (= 0 (select |old(#valid)| |main_~#s~0.base|)) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|))) (= main_~data~0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 4)) (= |main_~#s~0.offset| 0) (not (< main_~i~0 main_~len~0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|)) 0)) (= |#NULL.offset| 0) (not (= |main_~#s~0.base| 0)) (= main_~len~0 2) (= main_~i~0 0)) (and (< |main_~#s~0.base| |#StackHeapBarrier|) (not (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) 0)) (= 0 |#NULL.base|) (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) 4)) (< |#StackHeapBarrier| (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) 4)) (= 0 (select |old(#valid)| |main_~#s~0.base|)) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (not (= (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) 4) 0)) (= v_sll_circular_create_~last~0.base_BEFORE_RETURN_1 (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) 4)) (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) 4)) (= |main_~#s~0.offset| 0) (not (< main_~i~0 main_~len~0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) 4))) (= |#NULL.offset| 0) (not (= |main_~#s~0.base| 0)) (= main_~len~0 2) (= (select |#length| (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) 4)) 8) (= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) 4) 0) (= main_~i~0 0)) (and (< |main_~#s~0.base| |#StackHeapBarrier|) (not (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) 0)) (= 0 |#NULL.base|) (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) (select (select |#memory_$Pointer$.base| v_prenex_10) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1)) (= (select |#length| (select (select |#memory_$Pointer$.base| v_prenex_10) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1)) 8) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| v_prenex_10) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1))) (= 0 (select |old(#valid)| |main_~#s~0.base|)) (= main_~data~0 1) (< |#StackHeapBarrier| (select (select |#memory_$Pointer$.base| v_prenex_10) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1)) (= 0 (select |old(#valid)| 0)) (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) (select (select |#memory_$Pointer$.offset| v_prenex_10) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1)) (not (= 0 (select (select |#memory_$Pointer$.base| v_prenex_10) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1))) (= |main_~#s~0.offset| 0) (not (< main_~i~0 main_~len~0)) (= |#NULL.offset| 0) (not (= |main_~#s~0.base| 0)) (= (select (select |#memory_$Pointer$.offset| v_prenex_10) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1) 0) (= main_~len~0 2) (= main_~i~0 0)) (and (< |main_~#s~0.base| |#StackHeapBarrier|) (= 0 |#NULL.base|) (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) 4)) (< |#StackHeapBarrier| (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) 4)) (= 0 (select |old(#valid)| |main_~#s~0.base|)) (= main_~data~0 1) (not (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0)) (= 0 (select |old(#valid)| 0)) (not (= (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) 4) 0)) (= v_sll_circular_create_~last~0.base_BEFORE_RETURN_1 (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) 4)) (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) 4)) (= |main_~#s~0.offset| 0) (not (< main_~i~0 main_~len~0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) 4))) (= |#NULL.offset| 0) (not (= |main_~#s~0.base| 0)) (= main_~len~0 2) (= (select |#length| (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) 4)) 8) (= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) 4) 0) (= main_~i~0 0)) (and (< |main_~#s~0.base| |#StackHeapBarrier|) (= 0 |#NULL.base|) (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) (select (select |#memory_$Pointer$.base| v_prenex_10) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1)) (= (select |#length| (select (select |#memory_$Pointer$.base| v_prenex_10) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1)) 8) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| v_prenex_10) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1))) (= 0 (select |old(#valid)| |main_~#s~0.base|)) (= main_~data~0 1) (not (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0)) (< |#StackHeapBarrier| (select (select |#memory_$Pointer$.base| v_prenex_10) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1)) (= 0 (select |old(#valid)| 0)) (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) (select (select |#memory_$Pointer$.offset| v_prenex_10) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1)) (not (= 0 (select (select |#memory_$Pointer$.base| v_prenex_10) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1))) (= |main_~#s~0.offset| 0) (not (< main_~i~0 main_~len~0)) (= |#NULL.offset| 0) (not (= |main_~#s~0.base| 0)) (= (select (select |#memory_$Pointer$.offset| v_prenex_10) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1) 0) (= main_~len~0 2) (= main_~i~0 0)))) (and (not (< main_~i~0 main_~len~0)) (or (not (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0))))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...