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/forester-heap/sll-queue-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:45:38,750 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:45:38,752 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:45:38,763 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:45:38,764 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:45:38,765 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:45:38,766 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:45:38,768 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:45:38,770 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:45:38,771 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:45:38,772 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:45:38,773 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:45:38,773 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:45:38,774 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:45:38,775 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:45:38,776 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:45:38,777 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:45:38,778 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:45:38,780 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:45:38,782 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:45:38,783 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:45:38,784 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:45:38,785 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:45:38,786 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:45:38,788 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:45:38,788 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:45:38,788 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:45:38,789 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:45:38,789 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:45:38,790 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:45:38,791 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:45:38,791 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:45:38,792 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:45:38,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:45:38,794 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:45:38,794 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:45:38,795 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:45:38,795 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:45:38,795 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:45:38,796 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:45:38,796 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:45:38,797 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 15:45:38,814 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:45:38,815 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:45:38,816 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:45:38,816 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:45:38,816 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:45:38,817 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:45:38,817 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:45:38,817 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:45:38,818 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:45:38,818 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:45:38,818 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:45:38,818 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:45:38,818 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:45:38,819 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:45:38,819 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:45:38,819 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:45:38,819 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:45:38,819 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:45:38,820 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:45:38,820 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:45:38,820 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:45:38,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:45:38,822 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:45:38,822 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:45:38,822 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:45:38,822 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:45:38,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:45:38,823 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:45:38,823 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 [2019-09-20 15:45:38,879 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:45:38,896 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:45:38,900 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:45:38,901 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:45:38,901 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:45:38,902 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-queue-1.i [2019-09-20 15:45:38,976 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc3652282/eefceddc94344e63802170d07eb884a1/FLAG3fa5b0fd3 [2019-09-20 15:45:39,542 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:45:39,545 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-queue-1.i [2019-09-20 15:45:39,583 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc3652282/eefceddc94344e63802170d07eb884a1/FLAG3fa5b0fd3 [2019-09-20 15:45:39,878 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc3652282/eefceddc94344e63802170d07eb884a1 [2019-09-20 15:45:39,889 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:45:39,891 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:45:39,892 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:45:39,892 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:45:39,895 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:45:39,895 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:45:39" (1/1) ... [2019-09-20 15:45:39,898 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58e28d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:45:39, skipping insertion in model container [2019-09-20 15:45:39,898 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:45:39" (1/1) ... [2019-09-20 15:45:39,905 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:45:39,954 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:45:40,398 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:45:40,407 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:45:40,457 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:45:40,523 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:45:40,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:45:40 WrapperNode [2019-09-20 15:45:40,523 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:45:40,524 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:45:40,524 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:45:40,525 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:45:40,538 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:45:40" (1/1) ... [2019-09-20 15:45:40,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:45:40" (1/1) ... [2019-09-20 15:45:40,579 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:45:40" (1/1) ... [2019-09-20 15:45:40,579 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:45:40" (1/1) ... [2019-09-20 15:45:40,606 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:45:40" (1/1) ... [2019-09-20 15:45:40,616 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:45:40" (1/1) ... [2019-09-20 15:45:40,621 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:45:40" (1/1) ... [2019-09-20 15:45:40,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:45:40,635 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:45:40,635 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:45:40,636 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:45:40,637 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:45:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:45:40,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:45:40,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:45:40,690 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:45:40,690 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 15:45:40,691 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 15:45:40,691 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 15:45:40,691 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 15:45:40,691 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 15:45:40,691 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 15:45:40,692 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 15:45:40,692 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 15:45:40,692 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 15:45:40,692 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 15:45:40,692 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 15:45:40,692 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 15:45:40,693 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 15:45:40,693 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 15:45:40,693 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 15:45:40,693 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 15:45:40,693 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 15:45:40,694 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 15:45:40,694 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 15:45:40,694 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 15:45:40,694 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 15:45:40,694 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 15:45:40,694 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 15:45:40,695 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 15:45:40,695 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 15:45:40,695 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 15:45:40,695 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 15:45:40,695 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 15:45:40,695 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 15:45:40,696 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 15:45:40,696 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 15:45:40,696 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 15:45:40,696 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 15:45:40,696 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 15:45:40,697 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 15:45:40,697 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 15:45:40,697 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 15:45:40,697 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 15:45:40,697 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 15:45:40,697 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 15:45:40,697 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 15:45:40,698 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 15:45:40,698 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 15:45:40,698 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 15:45:40,698 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 15:45:40,698 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 15:45:40,698 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 15:45:40,699 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 15:45:40,699 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 15:45:40,699 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 15:45:40,699 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:45:40,699 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 15:45:40,699 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 15:45:40,699 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:45:40,700 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 15:45:40,700 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 15:45:40,700 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 15:45:40,700 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 15:45:40,700 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 15:45:40,700 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 15:45:40,701 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 15:45:40,701 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 15:45:40,701 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 15:45:40,701 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 15:45:40,701 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 15:45:40,701 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 15:45:40,702 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 15:45:40,702 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 15:45:40,702 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 15:45:40,702 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 15:45:40,702 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 15:45:40,702 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 15:45:40,702 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 15:45:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 15:45:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 15:45:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 15:45:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 15:45:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 15:45:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 15:45:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 15:45:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 15:45:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 15:45:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 15:45:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 15:45:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 15:45:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 15:45:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 15:45:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 15:45:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 15:45:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 15:45:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 15:45:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 15:45:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 15:45:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 15:45:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 15:45:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 15:45:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 15:45:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 15:45:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 15:45:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 15:45:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 15:45:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 15:45:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 15:45:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:45:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:45:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:45:40,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:45:40,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:45:40,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:45:40,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:45:40,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:45:40,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:45:40,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:45:40,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:45:41,492 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:45:41,492 INFO L283 CfgBuilder]: Removed 31 assume(true) statements. [2019-09-20 15:45:41,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:45:41 BoogieIcfgContainer [2019-09-20 15:45:41,495 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:45:41,496 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:45:41,496 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:45:41,497 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:45:41,498 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:45:41" (1/1) ... [2019-09-20 15:45:41,498 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 [2019-09-20 15:45:41,525 INFO L162 IcfgInterpreter]: Started Sifa with 14 locations of interest [2019-09-20 15:45:41,526 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:45:41,538 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:45:41,550 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:45:41,552 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:45:41,724 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 15:45:58,047 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:45:58,048 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:45:58,054 INFO L193 IcfgInterpreter]: Reachable states at location mainErr12ASSERT_VIOLATIONERROR_FUNCTION satisfy 15275#(and (or (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0))) (or (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (or (not (= 0 main_~head~0.offset)) (not (= 0 main_~head~0.base))) (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 4)) 3)) (= main_~status~0 3) (or (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) [2019-09-20 15:45:58,055 INFO L193 IcfgInterpreter]: Reachable states at location mainErr9ASSERT_VIOLATIONERROR_FUNCTION satisfy 15865#(and (not (= main_~status~0 2)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (or (not (= 0 main_~head~0.offset)) (not (= 0 main_~head~0.base))) (= main_~status~0 3) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) [2019-09-20 15:45:58,056 INFO L193 IcfgInterpreter]: Reachable states at location mainErr4ASSERT_VIOLATIONERROR_FUNCTION satisfy 13525#(exists ((v_DerPreprocessor_1 Int)) (or (and (not (= 0 main_~item~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (= main_~status~0 1) (not (= 0 main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (not (= 0 main_~item~0.offset)) (not (= 0 main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (= main_~status~0 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (= main_~status~0 1) (not (= main_~item~0.base 0)) (not (= 0 main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= (store |old(#memory_$Pointer$.offset)| main_~head~0.base (store (store (select |old(#memory_$Pointer$.offset)| main_~head~0.base) main_~head~0.offset 0) (+ main_~head~0.offset 4) (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 4)))) |#memory_$Pointer$.offset|) (= 0 |#NULL.base|) (= 0 |main_#t~malloc0.offset|) (= main_~head~0.offset main_~item~0.offset) (= main_~status~0 0) (= |#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 0) (+ main_~head~0.offset 4) (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 4))))) (= main_~item~0.base main_~head~0.base) (= 0 (select |old(#valid)| 0)) (= (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) 0)) |#memory_int|) (= |main_#t~malloc0.base| main_~head~0.base) (= main_~head~0.offset |main_#t~malloc0.offset|) (= |#length| (store |old(#length)| |main_#t~malloc0.base| 8)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (= main_~status~0 1) (= (select |old(#valid)| |main_#t~malloc0.base|) 0) (not (= 0 main_~head~0.base)) (< |#StackHeapBarrier| |main_#t~malloc0.base|) (not (= |main_#t~malloc0.base| 0)) (= |#NULL.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (store |old(#valid)| |main_#t~malloc0.base| 1) |#valid|)) (and (not (= 0 main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (= main_~status~0 1) (not (= main_~item~0.base 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= (store |old(#memory_$Pointer$.offset)| main_~head~0.base (store (store (select |old(#memory_$Pointer$.offset)| main_~head~0.base) main_~head~0.offset 0) (+ main_~head~0.offset 4) (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 4)))) |#memory_$Pointer$.offset|) (= 0 |#NULL.base|) (= 0 |main_#t~malloc0.offset|) (= main_~head~0.offset main_~item~0.offset) (= main_~status~0 0) (= |#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 0) (+ main_~head~0.offset 4) (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 4))))) (= main_~item~0.base main_~head~0.base) (= 0 (select |old(#valid)| 0)) (not (= 0 main_~head~0.offset)) (= (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) 0)) |#memory_int|) (= |main_#t~malloc0.base| main_~head~0.base) (= main_~head~0.offset |main_#t~malloc0.offset|) (= |#length| (store |old(#length)| |main_#t~malloc0.base| 8)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (= main_~status~0 1) (= (select |old(#valid)| |main_#t~malloc0.base|) 0) (< |#StackHeapBarrier| |main_#t~malloc0.base|) (not (= |main_#t~malloc0.base| 0)) (= |#NULL.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (store |old(#valid)| |main_#t~malloc0.base| 1) |#valid|)))) [2019-09-20 15:45:58,056 INFO L193 IcfgInterpreter]: Reachable states at location mainErr11ASSERT_VIOLATIONERROR_FUNCTION satisfy 15605#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0) (or (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0))) (or (not (= 0 main_~head~0.offset)) (not (= 0 main_~head~0.base))) (= main_~status~0 3) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (or (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) [2019-09-20 15:45:58,057 INFO L193 IcfgInterpreter]: Reachable states at location mainErr13ASSERT_VIOLATIONERROR_FUNCTION satisfy 15790#(and (not (= main_~status~0 0)) (<= (select (select |#memory_int| main_~item~0.base) (+ main_~item~0.offset 4)) 0)) [2019-09-20 15:45:58,058 INFO L193 IcfgInterpreter]: Reachable states at location mainErr2ASSERT_VIOLATIONERROR_FUNCTION satisfy 7856#(and (= 0 main_~head~0.offset) (exists ((v_DerPreprocessor_1 Int)) (or (and (not (= 0 main_~item~0.offset)) (not (= 0 main_~head~0.base))) (and (not (= 0 main_~head~0.offset)) (not (= main_~item~0.base 0))) (and (= (store |old(#memory_$Pointer$.offset)| main_~head~0.base (store (store (select |old(#memory_$Pointer$.offset)| main_~head~0.base) main_~head~0.offset 0) (+ main_~head~0.offset 4) (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 4)))) |#memory_$Pointer$.offset|) (= 0 |#NULL.base|) (= 0 |main_#t~malloc0.offset|) (= main_~head~0.offset main_~item~0.offset) (= main_~status~0 0) (= |#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 0) (+ main_~head~0.offset 4) (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 4))))) (= main_~item~0.base main_~head~0.base) (= 0 (select |old(#valid)| 0)) (= (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) 0)) |#memory_int|) (= |main_#t~malloc0.base| main_~head~0.base) (= main_~head~0.offset |main_#t~malloc0.offset|) (= |#length| (store |old(#length)| |main_#t~malloc0.base| 8)) (= (select |old(#valid)| |main_#t~malloc0.base|) 0) (< |#StackHeapBarrier| |main_#t~malloc0.base|) (not (= |main_#t~malloc0.base| 0)) (= |#NULL.offset| 0) (= (store |old(#valid)| |main_#t~malloc0.base| 1) |#valid|)) (and (not (= main_~item~0.base 0)) (not (= 0 main_~head~0.base))) (and (not (= 0 main_~item~0.offset)) (not (= 0 main_~head~0.offset))))) (= 0 main_~head~0.base)) [2019-09-20 15:45:58,058 INFO L193 IcfgInterpreter]: Reachable states at location mainErr8ASSERT_VIOLATIONERROR_FUNCTION satisfy 15895#(and (= 0 main_~head~0.offset) (= 0 main_~head~0.base) (= main_~status~0 3) (not (= main_~status~0 2))) [2019-09-20 15:45:58,059 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 86#(and (= 0 main_~head~0.offset) (= 0 main_~head~0.base)) [2019-09-20 15:45:58,060 INFO L193 IcfgInterpreter]: Reachable states at location mainErr5ASSERT_VIOLATIONERROR_FUNCTION satisfy 13541#(and (= 0 main_~head~0.offset) (= main_~status~0 2) (= 0 main_~head~0.base)) [2019-09-20 15:45:58,061 INFO L193 IcfgInterpreter]: Reachable states at location mainErr7ASSERT_VIOLATIONERROR_FUNCTION satisfy 15690#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0) (= main_~status~0 2) (or (not (= 0 main_~head~0.offset)) (not (= 0 main_~head~0.base))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0) (or (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) [2019-09-20 15:45:58,069 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 6878#(and (= 0 main_~item~0.offset) (= main_~item~0.base 0) (or (not (= 0 main_~head~0.offset)) (not (= 0 main_~head~0.base)))) [2019-09-20 15:45:58,070 INFO L193 IcfgInterpreter]: Reachable states at location mainErr3ASSERT_VIOLATIONERROR_FUNCTION satisfy 13554#false [2019-09-20 15:45:58,071 INFO L193 IcfgInterpreter]: Reachable states at location mainErr6ASSERT_VIOLATIONERROR_FUNCTION satisfy 13458#(and (= main_~status~0 2) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (or (not (= 0 main_~head~0.offset)) (not (= 0 main_~head~0.base))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) [2019-09-20 15:45:58,072 INFO L193 IcfgInterpreter]: Reachable states at location mainErr10ASSERT_VIOLATIONERROR_FUNCTION satisfy 15660#(and (not (= main_~status~0 2)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0) (or (not (= 0 main_~head~0.offset)) (not (= 0 main_~head~0.base))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0) (= main_~status~0 3) (or (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) [2019-09-20 15:45:58,107 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:45:58,107 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:45:58,110 INFO L168 Benchmark]: Toolchain (without parser) took 18218.57 ms. Allocated memory was 141.0 MB in the beginning and 601.4 MB in the end (delta: 460.3 MB). Free memory was 87.3 MB in the beginning and 467.0 MB in the end (delta: -379.7 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:45:58,111 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 141.0 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:45:58,114 INFO L168 Benchmark]: CACSL2BoogieTranslator took 632.21 ms. Allocated memory was 141.0 MB in the beginning and 200.8 MB in the end (delta: 59.8 MB). Free memory was 87.1 MB in the beginning and 165.6 MB in the end (delta: -78.5 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2019-09-20 15:45:58,115 INFO L168 Benchmark]: Boogie Preprocessor took 110.69 ms. Allocated memory is still 200.8 MB. Free memory was 165.6 MB in the beginning and 162.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2019-09-20 15:45:58,117 INFO L168 Benchmark]: RCFGBuilder took 860.16 ms. Allocated memory is still 200.8 MB. Free memory was 162.5 MB in the beginning and 97.7 MB in the end (delta: 64.7 MB). Peak memory consumption was 64.7 MB. Max. memory is 7.1 GB. [2019-09-20 15:45:58,121 INFO L168 Benchmark]: Sifa took 16611.66 ms. Allocated memory was 200.8 MB in the beginning and 601.4 MB in the end (delta: 400.6 MB). Free memory was 97.7 MB in the beginning and 467.0 MB in the end (delta: -369.2 MB). Peak memory consumption was 31.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:45:58,133 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 141.0 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 632.21 ms. Allocated memory was 141.0 MB in the beginning and 200.8 MB in the end (delta: 59.8 MB). Free memory was 87.1 MB in the beginning and 165.6 MB in the end (delta: -78.5 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.69 ms. Allocated memory is still 200.8 MB. Free memory was 165.6 MB in the beginning and 162.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 860.16 ms. Allocated memory is still 200.8 MB. Free memory was 162.5 MB in the beginning and 97.7 MB in the end (delta: 64.7 MB). Peak memory consumption was 64.7 MB. Max. memory is 7.1 GB. * Sifa took 16611.66 ms. Allocated memory was 200.8 MB in the beginning and 601.4 MB in the end (delta: 400.6 MB). Free memory was 97.7 MB in the beginning and 467.0 MB in the end (delta: -369.2 MB). Peak memory consumption was 31.3 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]: 16547, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 11996, DAG_INTERPRETER_EARLY_EXITS: 1381, TOOLS_POST_APPLICATIONS: 9664, TOOLS_POST_TIME[ms]: 5362, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 19, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 1, TOOLS_QUANTIFIERELIM_APPLICATIONS: 9095, TOOLS_QUANTIFIERELIM_TIME[ms]: 4743, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 3019, FLUID_QUERY_TIME[ms]: 87, FLUID_QUERIES: 13458, FLUID_YES_ANSWERS: 161, DOMAIN_JOIN_APPLICATIONS: 3024, DOMAIN_JOIN_TIME[ms]: 2758, DOMAIN_ALPHA_APPLICATIONS: 161, DOMAIN_ALPHA_TIME[ms]: 28, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 10, DOMAIN_ISSUBSETEQ_APPLICATIONS: 1462, DOMAIN_ISSUBSETEQ_TIME[ms]: 2418, DOMAIN_ISBOTTOM_APPLICATIONS: 3463, DOMAIN_ISBOTTOM_TIME[ms]: 4188, LOOP_SUMMARIZER_APPLICATIONS: 1459, LOOP_SUMMARIZER_CACHE_MISSES: 1459, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 11123, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11105, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 1462, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 103, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 103, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 9, REGEX_TO_DAG_TIME[ms]: 51, DAG_COMPRESSION_TIME[ms]: 957, DAG_COMPRESSION_PROCESSED_NODES: 68983, DAG_COMPRESSION_RETAINED_NODES: 24003 - UnprovableResult [Line: 1035]: 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 15275#(and (or (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0))) (or (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (or (not (= 0 main_~head~0.offset)) (not (= 0 main_~head~0.base))) (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 4)) 3)) (= main_~status~0 3) (or (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))). Possible FailurePath: - UnprovableResult [Line: 1032]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 15865#(and (not (= main_~status~0 2)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (or (not (= 0 main_~head~0.offset)) (not (= 0 main_~head~0.base))) (= main_~status~0 3) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))). Possible FailurePath: - UnprovableResult [Line: 1021]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 13525#(exists ((v_DerPreprocessor_1 Int)) (or (and (not (= 0 main_~item~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (= main_~status~0 1) (not (= 0 main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (not (= 0 main_~item~0.offset)) (not (= 0 main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (= main_~status~0 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (= main_~status~0 1) (not (= main_~item~0.base 0)) (not (= 0 main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= (store |old(#memory_$Pointer$.offset)| main_~head~0.base (store (store (select |old(#memory_$Pointer$.offset)| main_~head~0.base) main_~head~0.offset 0) (+ main_~head~0.offset 4) (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 4)))) |#memory_$Pointer$.offset|) (= 0 |#NULL.base|) (= 0 |main_#t~malloc0.offset|) (= main_~head~0.offset main_~item~0.offset) (= main_~status~0 0) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| main_~head~0.base (store (store (select |old(#memory_$Pointer$.base)| main_~head~0.base) main_~head~0.offset 0) (+ main_~head~0.offset 4) (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 4))))) (= main_~item~0.base main_~head~0.base) (= 0 (select |old(#valid)| 0)) (= (store |old(#memory_int)| main_~head~0.base (store (store (select |old(#memory_int)| main_~head~0.base) main_~head~0.offset v_DerPreprocessor_1) (+ main_~head~0.offset 4) 0)) |#memory_int|) (= |main_#t~malloc0.base| main_~head~0.base) (= main_~head~0.offset |main_#t~malloc0.offset|) (= |#length| (store |old(#length)| |main_#t~malloc0.base| 8)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (= main_~status~0 1) (= (select |old(#valid)| |main_#t~malloc0.base|) 0) (not (= 0 main_~head~0.base)) (< |#StackHeapBarrier| |main_#t~malloc0.base|) (not (= |main_#t~malloc0.base| 0)) (= |#NULL.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (store |old(#valid)| |main_#t~malloc0.base| 1) |#valid|)) (and (not (= 0 main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (= main_~status~0 1) (not (= main_~item~0.base 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= (store |old(#memory_$Pointer$.offset)| main_~head~0.base (store (store (select |old(#memory_$Pointer$.offset)| main_~head~0.base) main_~head~0.offset 0) (+ main_~head~0.offset 4) (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 4)))) |#memory_$Pointer$.offset|) (= 0 |#NULL.base|) (= 0 |main_#t~malloc0.offset|) (= main_~head~0.offset main_~item~0.offset) (= main_~status~0 0) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| main_~head~0.base (store (store (select |old(#memory_$Pointer$.base)| main_~head~0.base) main_~head~0.offset 0) (+ main_~head~0.offset 4) (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 4))))) (= main_~item~0.base main_~head~0.base) (= 0 (select |old(#valid)| 0)) (not (= 0 main_~head~0.offset)) (= (store |old(#memory_int)| main_~head~0.base (store (store (select |old(#memory_int)| main_~head~0.base) main_~head~0.offset v_DerPreprocessor_1) (+ main_~head~0.offset 4) 0)) |#memory_int|) (= |main_#t~malloc0.base| main_~head~0.base) (= main_~head~0.offset |main_#t~malloc0.offset|) (= |#length| (store |old(#length)| |main_#t~malloc0.base| 8)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (= main_~status~0 1) (= (select |old(#valid)| |main_#t~malloc0.base|) 0) (< |#StackHeapBarrier| |main_#t~malloc0.base|) (not (= |main_#t~malloc0.base| 0)) (= |#NULL.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (store |old(#valid)| |main_#t~malloc0.base| 1) |#valid|)))). Possible FailurePath: - UnprovableResult [Line: 1034]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 15605#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0) (or (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0))) (or (not (= 0 main_~head~0.offset)) (not (= 0 main_~head~0.base))) (= main_~status~0 3) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (or (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))). Possible FailurePath: - UnprovableResult [Line: 1042]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 15790#(and (not (= main_~status~0 0)) (<= (select (select |#memory_int| main_~item~0.base) (+ main_~item~0.offset 4)) 0)). Possible FailurePath: - PositiveResult [Line: 1017]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - UnprovableResult [Line: 1031]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 15895#(and (= 0 main_~head~0.offset) (= 0 main_~head~0.base) (= main_~status~0 3) (not (= main_~status~0 2))). Possible FailurePath: - UnprovableResult [Line: 1013]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 86#(and (= 0 main_~head~0.offset) (= 0 main_~head~0.base)). Possible FailurePath: - UnprovableResult [Line: 1025]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 13541#(and (= 0 main_~head~0.offset) (= main_~status~0 2) (= 0 main_~head~0.base)). Possible FailurePath: - UnprovableResult [Line: 1027]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 15690#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0) (= main_~status~0 2) (or (not (= 0 main_~head~0.offset)) (not (= 0 main_~head~0.base))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0) (or (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))). Possible FailurePath: - UnprovableResult [Line: 1014]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 6878#(and (= 0 main_~item~0.offset) (= main_~item~0.base 0) (or (not (= 0 main_~head~0.offset)) (not (= 0 main_~head~0.base)))). Possible FailurePath: - PositiveResult [Line: 1020]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - UnprovableResult [Line: 1026]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 13458#(and (= main_~status~0 2) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (or (not (= 0 main_~head~0.offset)) (not (= 0 main_~head~0.base))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))). Possible FailurePath: - UnprovableResult [Line: 1033]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 15660#(and (not (= main_~status~0 2)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0) (or (not (= 0 main_~head~0.offset)) (not (= 0 main_~head~0.base))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0) (= main_~status~0 3) (or (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...