java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK --sifa.max.parallel.explicit.values 4 --sifa.sizelimitfluid.max.disjunctions 16 -i ../../../trunk/examples/svcomp/forester-heap/sll-circular-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:44:25,898 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:44:25,901 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:44:25,919 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:44:25,920 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:44:25,921 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:44:25,922 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:44:25,924 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:44:25,925 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:44:25,926 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:44:25,927 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:44:25,928 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:44:25,929 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:44:25,930 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:44:25,931 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:44:25,932 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:44:25,933 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:44:25,934 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:44:25,935 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:44:25,938 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:44:25,939 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:44:25,942 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:44:25,944 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:44:25,944 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:44:25,947 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:44:25,947 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:44:25,947 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:44:25,948 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:44:25,949 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:44:25,950 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:44:25,950 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:44:25,951 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:44:25,952 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:44:25,952 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:44:25,953 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:44:25,954 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:44:25,954 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:44:25,955 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:44:25,955 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:44:25,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:44:25,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:44:25,958 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-25 17:44:25,985 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:44:25,986 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:44:25,988 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:44:25,988 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:44:25,989 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:44:25,989 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:44:25,989 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:44:25,989 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:44:25,990 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:44:25,990 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:44:25,991 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:44:25,991 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:44:25,991 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:44:25,992 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:44:25,992 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:44:25,992 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:44:25,992 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:44:25,993 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:44:25,993 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:44:25,993 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:44:25,993 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:44:25,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:44:25,994 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:44:25,994 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:44:25,994 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:44:25,995 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:44:25,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:44:25,995 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:44:25,995 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Max. Parallel Explicit Values -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: SizeLimitFluid Max. Disjunctions -> 16 [2019-09-25 17:44:26,049 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:44:26,061 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:44:26,065 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:44:26,066 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:44:26,067 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:44:26,067 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-circular-1.i [2019-09-25 17:44:26,142 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43400f183/9f0d3e1883904f5880a6f31fdb50f04d/FLAG9d2fb93fb [2019-09-25 17:44:26,676 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:44:26,677 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-circular-1.i [2019-09-25 17:44:26,696 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43400f183/9f0d3e1883904f5880a6f31fdb50f04d/FLAG9d2fb93fb [2019-09-25 17:44:26,992 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43400f183/9f0d3e1883904f5880a6f31fdb50f04d [2019-09-25 17:44:27,002 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:44:27,004 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:44:27,004 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:44:27,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:44:27,007 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:44:27,008 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:44:26" (1/1) ... [2019-09-25 17:44:27,010 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2089993a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:44:27, skipping insertion in model container [2019-09-25 17:44:27,011 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:44:26" (1/1) ... [2019-09-25 17:44:27,016 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:44:27,075 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:44:27,530 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:44:27,539 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:44:27,585 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:44:27,637 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:44:27,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:44:27 WrapperNode [2019-09-25 17:44:27,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:44:27,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:44:27,640 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:44:27,640 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:44:27,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:44:27" (1/1) ... [2019-09-25 17:44:27,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:44:27" (1/1) ... [2019-09-25 17:44:27,669 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:44:27" (1/1) ... [2019-09-25 17:44:27,669 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:44:27" (1/1) ... [2019-09-25 17:44:27,685 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:44:27" (1/1) ... [2019-09-25 17:44:27,691 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:44:27" (1/1) ... [2019-09-25 17:44:27,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:44:27" (1/1) ... [2019-09-25 17:44:27,701 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:44:27,702 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:44:27,702 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:44:27,702 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:44:27,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:44:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:44:27,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:44:27,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:44:27,756 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:44:27,756 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-25 17:44:27,757 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-25 17:44:27,757 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-25 17:44:27,757 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-25 17:44:27,757 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-25 17:44:27,757 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-25 17:44:27,757 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-25 17:44:27,758 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-25 17:44:27,758 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-25 17:44:27,758 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-25 17:44:27,758 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-25 17:44:27,758 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-25 17:44:27,758 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-25 17:44:27,759 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-25 17:44:27,759 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-25 17:44:27,759 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-25 17:44:27,759 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-25 17:44:27,759 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-25 17:44:27,759 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-25 17:44:27,760 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-25 17:44:27,760 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-25 17:44:27,760 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-25 17:44:27,760 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-25 17:44:27,760 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-25 17:44:27,760 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-25 17:44:27,761 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-25 17:44:27,761 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-25 17:44:27,761 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-25 17:44:27,761 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-25 17:44:27,761 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-25 17:44:27,761 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-25 17:44:27,761 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-25 17:44:27,762 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-25 17:44:27,762 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-25 17:44:27,762 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-25 17:44:27,762 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-25 17:44:27,762 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-25 17:44:27,762 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-25 17:44:27,763 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-25 17:44:27,763 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-25 17:44:27,763 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-25 17:44:27,763 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-25 17:44:27,763 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-25 17:44:27,763 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-25 17:44:27,763 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-25 17:44:27,764 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-25 17:44:27,764 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-25 17:44:27,764 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-25 17:44:27,764 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-25 17:44:27,764 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-25 17:44:27,764 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 17:44:27,765 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-25 17:44:27,765 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-25 17:44:27,765 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 17:44:27,765 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-25 17:44:27,765 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-25 17:44:27,765 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-25 17:44:27,766 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-25 17:44:27,766 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-25 17:44:27,766 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-25 17:44:27,766 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-25 17:44:27,766 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-25 17:44:27,766 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-25 17:44:27,767 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-25 17:44:27,767 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-25 17:44:27,767 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-25 17:44:27,767 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-25 17:44:27,767 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-25 17:44:27,767 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-25 17:44:27,768 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-25 17:44:27,768 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-25 17:44:27,768 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-25 17:44:27,768 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-25 17:44:27,768 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-25 17:44:27,768 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-25 17:44:27,769 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-25 17:44:27,769 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-25 17:44:27,769 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-25 17:44:27,769 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-25 17:44:27,769 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-25 17:44:27,769 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-25 17:44:27,769 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-25 17:44:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-25 17:44:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-25 17:44:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-25 17:44:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-25 17:44:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-25 17:44:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-25 17:44:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-25 17:44:27,771 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-25 17:44:27,771 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-25 17:44:27,771 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-25 17:44:27,771 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-25 17:44:27,771 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-25 17:44:27,771 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-25 17:44:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-25 17:44:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-25 17:44:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-25 17:44:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-25 17:44:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-25 17:44:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-25 17:44:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-25 17:44:27,773 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-25 17:44:27,773 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 17:44:27,773 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:44:27,773 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:44:27,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 17:44:27,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 17:44:27,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 17:44:27,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 17:44:27,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 17:44:27,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 17:44:27,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:44:27,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:44:28,326 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:44:28,327 INFO L283 CfgBuilder]: Removed 9 assume(true) statements. [2019-09-25 17:44:28,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:44:28 BoogieIcfgContainer [2019-09-25 17:44:28,328 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:44:28,329 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:44:28,329 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:44:28,329 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:44:28,330 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:44:28" (1/1) ... [2019-09-25 17:44:28,331 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=4 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=16 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 17:44:28,354 INFO L162 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-09-25 17:44:28,354 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:44:28,361 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:44:28,370 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:44:28,372 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:44:28,511 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-25 17:44:41,183 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:44:41,183 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:44:41,187 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 294#(and (exists ((v_main_~x~0.base_33 Int) (v_main_~x~0.offset_31 Int) (v_prenex_81 Int) (v_prenex_80 Int) (v_DerPreprocessor_1 Int)) (or (and (= 0 |#NULL.base|) (= 0 |main_#t~malloc0.offset|) (= (store |old(#memory_$Pointer$.offset)| main_~head~0.base (store (store (select |old(#memory_$Pointer$.offset)| main_~head~0.base) main_~head~0.offset main_~head~0.offset) (+ main_~head~0.offset 4) (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 4)))) |#memory_$Pointer$.offset|) (= 1 main_~state~0) (= 0 (select |old(#valid)| 0)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~malloc0.base| main_~head~0.base) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| main_~head~0.base (store (store (select |old(#memory_$Pointer$.base)| main_~head~0.base) main_~head~0.offset main_~head~0.base) (+ main_~head~0.offset 4) (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 4))))) (= main_~head~0.offset |main_#t~malloc0.offset|) (= |#length| (store |old(#length)| |main_#t~malloc0.base| 8)) (= (store |old(#memory_int)| main_~head~0.base (store (store (select |old(#memory_int)| main_~head~0.base) main_~head~0.offset v_DerPreprocessor_1) (+ main_~head~0.offset 4) main_~state~0)) |#memory_int|) (= (select |old(#valid)| |main_#t~malloc0.base|) 0) (< |#StackHeapBarrier| |main_#t~malloc0.base|) (not (= |main_#t~malloc0.base| 0)) (= |#NULL.offset| 0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base) (= (store |old(#valid)| |main_#t~malloc0.base| 1) |#valid|)) (and (not (= 2 main_~state~0)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~malloc2.base| 0)) (= (select (select |#memory_int| |main_#t~malloc2.base|) (+ |main_#t~malloc2.offset| 4)) main_~state~0) (= 0 |main_#t~malloc2.offset|) (= 8 (select |#length| |main_#t~malloc2.base|)) (= (select (select |#memory_$Pointer$.offset| |main_#t~malloc2.base|) |main_#t~malloc2.offset|) main_~head~0.offset) (= (select (select |#memory_$Pointer$.base| |main_#t~malloc2.base|) |main_#t~malloc2.offset|) main_~head~0.base) (< |#StackHeapBarrier| |main_#t~malloc2.base|) (= (select |#valid| |main_#t~malloc2.base|) 1) (not (= 1 main_~state~0)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)) (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= 0 v_main_~x~0.base_33)) (= (select (select |#memory_int| v_main_~x~0.base_33) (+ v_main_~x~0.offset_31 4)) main_~state~0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)) (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= 0 v_prenex_81)) (= (select (select |#memory_int| v_prenex_80) (+ v_prenex_81 4)) main_~state~0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)))) (= 0 main_~x~0.base) (= main_~x~0.offset 0)) [2019-09-25 17:44:41,187 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 277#(and (= 0 main_~x~0.base) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) main_~state~0) (= main_~x~0.offset 0)) [2019-09-25 17:44:41,187 INFO L193 IcfgInterpreter]: Reachable states at location mainErr2ASSERT_VIOLATIONERROR_FUNCTION satisfy 391#(and (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (not (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 4)))) (< (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 4)) (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) [2019-09-25 17:44:41,206 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:44:41,206 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:44:41,207 INFO L168 Benchmark]: Toolchain (without parser) took 14203.97 ms. Allocated memory was 138.4 MB in the beginning and 308.3 MB in the end (delta: 169.9 MB). Free memory was 85.3 MB in the beginning and 272.0 MB in the end (delta: -186.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-25 17:44:41,208 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.4 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 17:44:41,209 INFO L168 Benchmark]: CACSL2BoogieTranslator took 634.65 ms. Allocated memory was 138.4 MB in the beginning and 199.8 MB in the end (delta: 61.3 MB). Free memory was 85.1 MB in the beginning and 166.1 MB in the end (delta: -81.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. [2019-09-25 17:44:41,209 INFO L168 Benchmark]: Boogie Preprocessor took 61.92 ms. Allocated memory is still 199.8 MB. Free memory was 166.1 MB in the beginning and 162.9 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2019-09-25 17:44:41,210 INFO L168 Benchmark]: RCFGBuilder took 626.80 ms. Allocated memory is still 199.8 MB. Free memory was 162.9 MB in the beginning and 116.0 MB in the end (delta: 46.9 MB). Peak memory consumption was 46.9 MB. Max. memory is 7.1 GB. [2019-09-25 17:44:41,210 INFO L168 Benchmark]: Sifa took 12877.25 ms. Allocated memory was 199.8 MB in the beginning and 308.3 MB in the end (delta: 108.5 MB). Free memory was 116.0 MB in the beginning and 272.0 MB in the end (delta: -155.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-25 17:44:41,214 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 138.4 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 634.65 ms. Allocated memory was 138.4 MB in the beginning and 199.8 MB in the end (delta: 61.3 MB). Free memory was 85.1 MB in the beginning and 166.1 MB in the end (delta: -81.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 61.92 ms. Allocated memory is still 199.8 MB. Free memory was 166.1 MB in the beginning and 162.9 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 626.80 ms. Allocated memory is still 199.8 MB. Free memory was 162.9 MB in the beginning and 116.0 MB in the end (delta: 46.9 MB). Peak memory consumption was 46.9 MB. Max. memory is 7.1 GB. * Sifa took 12877.25 ms. Allocated memory was 199.8 MB in the beginning and 308.3 MB in the end (delta: 108.5 MB). Free memory was 116.0 MB in the beginning and 272.0 MB in the end (delta: -155.9 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]: 12834, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 241, DAG_INTERPRETER_EARLY_EXITS: 12, TOOLS_POST_APPLICATIONS: 206, TOOLS_POST_TIME[ms]: 4595, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 16, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 1, TOOLS_QUANTIFIERELIM_APPLICATIONS: 203, TOOLS_QUANTIFIERELIM_TIME[ms]: 4547, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 1880, FLUID_QUERY_TIME[ms]: 10, FLUID_QUERIES: 260, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 77, DOMAIN_JOIN_TIME[ms]: 190, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 19, DOMAIN_ISSUBSETEQ_TIME[ms]: 6082, DOMAIN_ISBOTTOM_APPLICATIONS: 61, DOMAIN_ISBOTTOM_TIME[ms]: 1785, LOOP_SUMMARIZER_APPLICATIONS: 19, LOOP_SUMMARIZER_CACHE_MISSES: 19, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 8784, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 8783, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 19, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 91, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 91, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 67, DAG_COMPRESSION_PROCESSED_NODES: 971, DAG_COMPRESSION_RETAINED_NODES: 384 - UnprovableResult [Line: 1017]: 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 294#(and (exists ((v_main_~x~0.base_33 Int) (v_main_~x~0.offset_31 Int) (v_prenex_81 Int) (v_prenex_80 Int) (v_DerPreprocessor_1 Int)) (or (and (= 0 |#NULL.base|) (= 0 |main_#t~malloc0.offset|) (= (store |old(#memory_$Pointer$.offset)| main_~head~0.base (store (store (select |old(#memory_$Pointer$.offset)| main_~head~0.base) main_~head~0.offset main_~head~0.offset) (+ main_~head~0.offset 4) (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 4)))) |#memory_$Pointer$.offset|) (= 1 main_~state~0) (= 0 (select |old(#valid)| 0)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~malloc0.base| main_~head~0.base) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| main_~head~0.base (store (store (select |old(#memory_$Pointer$.base)| main_~head~0.base) main_~head~0.offset main_~head~0.base) (+ main_~head~0.offset 4) (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 4))))) (= main_~head~0.offset |main_#t~malloc0.offset|) (= |#length| (store |old(#length)| |main_#t~malloc0.base| 8)) (= (store |old(#memory_int)| main_~head~0.base (store (store (select |old(#memory_int)| main_~head~0.base) main_~head~0.offset v_DerPreprocessor_1) (+ main_~head~0.offset 4) main_~state~0)) |#memory_int|) (= (select |old(#valid)| |main_#t~malloc0.base|) 0) (< |#StackHeapBarrier| |main_#t~malloc0.base|) (not (= |main_#t~malloc0.base| 0)) (= |#NULL.offset| 0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base) (= (store |old(#valid)| |main_#t~malloc0.base| 1) |#valid|)) (and (not (= 2 main_~state~0)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~malloc2.base| 0)) (= (select (select |#memory_int| |main_#t~malloc2.base|) (+ |main_#t~malloc2.offset| 4)) main_~state~0) (= 0 |main_#t~malloc2.offset|) (= 8 (select |#length| |main_#t~malloc2.base|)) (= (select (select |#memory_$Pointer$.offset| |main_#t~malloc2.base|) |main_#t~malloc2.offset|) main_~head~0.offset) (= (select (select |#memory_$Pointer$.base| |main_#t~malloc2.base|) |main_#t~malloc2.offset|) main_~head~0.base) (< |#StackHeapBarrier| |main_#t~malloc2.base|) (= (select |#valid| |main_#t~malloc2.base|) 1) (not (= 1 main_~state~0)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)) (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= 0 v_main_~x~0.base_33)) (= (select (select |#memory_int| v_main_~x~0.base_33) (+ v_main_~x~0.offset_31 4)) main_~state~0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)) (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= 0 v_prenex_81)) (= (select (select |#memory_int| v_prenex_80) (+ v_prenex_81 4)) main_~state~0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)))) (= 0 main_~x~0.base) (= main_~x~0.offset 0)). Possible FailurePath: - UnprovableResult [Line: 1012]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 277#(and (= 0 main_~x~0.base) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) main_~state~0) (= main_~x~0.offset 0)). Possible FailurePath: - UnprovableResult [Line: 1021]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 391#(and (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (not (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 4)))) (< (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 4)) (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...