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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/list-simple/sll2c_remove_all.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:55:10,806 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:55:10,808 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:55:10,820 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:55:10,820 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:55:10,821 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:55:10,822 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:55:10,824 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:55:10,826 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:55:10,827 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:55:10,828 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:55:10,829 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:55:10,830 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:55:10,831 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:55:10,832 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:55:10,833 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:55:10,834 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:55:10,835 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:55:10,836 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:55:10,839 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:55:10,840 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:55:10,841 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:55:10,843 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:55:10,843 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:55:10,846 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:55:10,847 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:55:10,847 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:55:10,848 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:55:10,849 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:55:10,850 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:55:10,850 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:55:10,851 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:55:10,852 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:55:10,852 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:55:10,853 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:55:10,854 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:55:10,854 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:55:10,855 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:55:10,855 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:55:10,856 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:55:10,856 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:55:10,857 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-21 09:55:10,872 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:55:10,872 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:55:10,873 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:55:10,874 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:55:10,874 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:55:10,874 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:55:10,874 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:55:10,874 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:55:10,875 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:55:10,875 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:55:10,875 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:55:10,875 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:55:10,875 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:55:10,876 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:55:10,876 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:55:10,876 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:55:10,876 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:55:10,876 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:55:10,877 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:55:10,877 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:55:10,877 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:55:10,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:55:10,877 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:55:10,878 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:55:10,878 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:55:10,878 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:55:10,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:55:10,879 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:55:10,879 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-21 09:55:10,927 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:55:10,940 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:55:10,943 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:55:10,945 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:55:10,945 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:55:10,946 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2c_remove_all.i [2019-09-21 09:55:11,021 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/689e73a3b/5e2e5738e45f4e5799844478302f067a/FLAG87eb3b527 [2019-09-21 09:55:11,578 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:55:11,580 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2c_remove_all.i [2019-09-21 09:55:11,601 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/689e73a3b/5e2e5738e45f4e5799844478302f067a/FLAG87eb3b527 [2019-09-21 09:55:11,854 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/689e73a3b/5e2e5738e45f4e5799844478302f067a [2019-09-21 09:55:11,864 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:55:11,866 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:55:11,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:55:11,867 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:55:11,871 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:55:11,871 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:55:11" (1/1) ... [2019-09-21 09:55:11,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dc1d1fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:55:11, skipping insertion in model container [2019-09-21 09:55:11,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:55:11" (1/1) ... [2019-09-21 09:55:11,880 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:55:11,924 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:55:12,361 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:55:12,375 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:55:12,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:55:12,516 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:55:12,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:55:12 WrapperNode [2019-09-21 09:55:12,516 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:55:12,517 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:55:12,518 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:55:12,518 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:55:12,529 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:55:12" (1/1) ... [2019-09-21 09:55:12,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:55:12" (1/1) ... [2019-09-21 09:55:12,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:55:12" (1/1) ... [2019-09-21 09:55:12,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:55:12" (1/1) ... [2019-09-21 09:55:12,565 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:55:12" (1/1) ... [2019-09-21 09:55:12,572 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:55:12" (1/1) ... [2019-09-21 09:55:12,575 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:55:12" (1/1) ... [2019-09-21 09:55:12,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:55:12,583 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:55:12,583 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:55:12,583 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:55:12,584 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:55:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:55:12,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:55:12,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:55:12,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-21 09:55:12,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-21 09:55:12,648 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-21 09:55:12,649 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-21 09:55:12,649 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_create [2019-09-21 09:55:12,650 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_remove_first [2019-09-21 09:55:12,650 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:55:12,650 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:55:12,651 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-21 09:55:12,651 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-21 09:55:12,652 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-21 09:55:12,652 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-21 09:55:12,652 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-21 09:55:12,652 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-21 09:55:12,654 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-21 09:55:12,655 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-21 09:55:12,655 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-21 09:55:12,655 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-21 09:55:12,655 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-21 09:55:12,657 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-21 09:55:12,657 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-21 09:55:12,657 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-21 09:55:12,657 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-21 09:55:12,657 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-21 09:55:12,658 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-21 09:55:12,658 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-21 09:55:12,658 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-21 09:55:12,658 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-21 09:55:12,658 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-21 09:55:12,658 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-21 09:55:12,659 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-21 09:55:12,659 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-21 09:55:12,659 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-21 09:55:12,659 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-21 09:55:12,659 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-21 09:55:12,660 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-21 09:55:12,660 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-21 09:55:12,660 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-21 09:55:12,660 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-21 09:55:12,660 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-21 09:55:12,660 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-21 09:55:12,661 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-21 09:55:12,661 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-21 09:55:12,661 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-21 09:55:12,661 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-21 09:55:12,661 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-21 09:55:12,662 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-21 09:55:12,662 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-21 09:55:12,662 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-21 09:55:12,662 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-21 09:55:12,662 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-21 09:55:12,662 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-21 09:55:12,662 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-21 09:55:12,663 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-21 09:55:12,663 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-21 09:55:12,663 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-21 09:55:12,663 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-21 09:55:12,664 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-21 09:55:12,664 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-21 09:55:12,664 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-21 09:55:12,664 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 09:55:12,664 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-21 09:55:12,665 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-21 09:55:12,665 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 09:55:12,665 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-21 09:55:12,665 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-21 09:55:12,666 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-21 09:55:12,666 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-21 09:55:12,666 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-21 09:55:12,666 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-21 09:55:12,667 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-21 09:55:12,667 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-21 09:55:12,668 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-21 09:55:12,668 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-21 09:55:12,668 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-21 09:55:12,669 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-21 09:55:12,669 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-21 09:55:12,669 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-21 09:55:12,669 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-21 09:55:12,669 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-21 09:55:12,670 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-21 09:55:12,670 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-21 09:55:12,670 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-21 09:55:12,670 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-21 09:55:12,671 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-21 09:55:12,672 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-21 09:55:12,672 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-21 09:55:12,672 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-21 09:55:12,672 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-21 09:55:12,672 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-21 09:55:12,672 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-21 09:55:12,672 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-21 09:55:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-21 09:55:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-21 09:55:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-21 09:55:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-21 09:55:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-21 09:55:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-21 09:55:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-21 09:55:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-21 09:55:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-21 09:55:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-21 09:55:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-21 09:55:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-21 09:55:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-21 09:55:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-21 09:55:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-21 09:55:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-21 09:55:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-21 09:55:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-21 09:55:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-21 09:55:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-21 09:55:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-21 09:55:12,676 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-21 09:55:12,676 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-21 09:55:12,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 09:55:12,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 09:55:12,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 09:55:12,677 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_create [2019-09-21 09:55:12,677 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_remove_first [2019-09-21 09:55:12,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 09:55:12,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 09:55:12,677 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:55:12,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 09:55:12,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-21 09:55:12,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:55:12,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:55:12,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 09:55:13,046 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-21 09:55:13,277 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:55:13,277 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-21 09:55:13,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:55:13 BoogieIcfgContainer [2019-09-21 09:55:13,281 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:55:13,281 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:55:13,281 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:55:13,281 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:55:13,283 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:55:13" (1/1) ... [2019-09-21 09:55:13,284 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 09:55:13,315 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:55:13,315 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:55:13,326 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:55:13,334 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:55:13,336 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:55:13,581 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-09-21 09:55:13,744 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-21 09:55:13,823 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:15,050 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:16,249 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:17,993 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:18,026 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:18,697 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:20,303 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:21,274 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:23,388 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:24,284 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:24,922 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:27,035 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:27,265 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:28,674 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:30,531 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 357 [2019-09-21 09:55:30,708 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 354 [2019-09-21 09:55:32,483 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:33,128 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:33,412 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:36,215 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:36,982 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2019-09-21 09:55:38,923 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:40,362 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:40,574 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:41,751 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:41,787 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:41,825 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:41,860 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:41,893 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:41,927 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:41,959 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:42,448 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 09:55:42,448 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 09:55:42,451 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 297#(or (and (not (< main_~i~0 main_~len~0)) (or (not (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0)))) (exists ((v_sll_circular_create_~last~0.base_BEFORE_RETURN_1 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1 Int)) (or (and (<= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1) 0) (< |main_~#s~0.base| |#StackHeapBarrier|) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1)) (<= 0 |#NULL.base|) (= 0 (select |old(#valid)| |main_~#s~0.base|)) (= main_~data~0 1) (not (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1 0) (= |main_~#s~0.offset| 0) (not (< main_~i~0 main_~len~0)) (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1)) (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1)) (= |#NULL.offset| 0) (not (= |main_~#s~0.base| 0)) (= main_~len~0 2) (= main_~i~0 0)) (and (<= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1) 0) (< |main_~#s~0.base| |#StackHeapBarrier|) (not (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) 0)) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1)) (<= 0 |#NULL.base|) (= 0 (select |old(#valid)| |main_~#s~0.base|)) (= main_~data~0 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1 0) (= |main_~#s~0.offset| 0) (not (< main_~i~0 main_~len~0)) (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1)) (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1)) (= |#NULL.offset| 0) (not (= |main_~#s~0.base| 0)) (= main_~len~0 2) (= main_~i~0 0))))) [2019-09-21 09:55:42,469 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 09:55:42,469 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 09:55:42,471 INFO L168 Benchmark]: Toolchain (without parser) took 30605.26 ms. Allocated memory was 135.8 MB in the beginning and 908.6 MB in the end (delta: 772.8 MB). Free memory was 85.3 MB in the beginning and 360.1 MB in the end (delta: -274.7 MB). Peak memory consumption was 498.1 MB. Max. memory is 7.1 GB. [2019-09-21 09:55:42,471 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 135.8 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 09:55:42,472 INFO L168 Benchmark]: CACSL2BoogieTranslator took 649.57 ms. Allocated memory was 135.8 MB in the beginning and 199.2 MB in the end (delta: 63.4 MB). Free memory was 85.1 MB in the beginning and 161.0 MB in the end (delta: -75.9 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2019-09-21 09:55:42,472 INFO L168 Benchmark]: Boogie Preprocessor took 65.62 ms. Allocated memory is still 199.2 MB. Free memory was 161.0 MB in the beginning and 158.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-09-21 09:55:42,473 INFO L168 Benchmark]: RCFGBuilder took 697.50 ms. Allocated memory is still 199.2 MB. Free memory was 158.5 MB in the beginning and 106.8 MB in the end (delta: 51.6 MB). Peak memory consumption was 51.6 MB. Max. memory is 7.1 GB. [2019-09-21 09:55:42,473 INFO L168 Benchmark]: Sifa took 29188.42 ms. Allocated memory was 199.2 MB in the beginning and 908.6 MB in the end (delta: 709.4 MB). Free memory was 106.8 MB in the beginning and 360.1 MB in the end (delta: -253.2 MB). Peak memory consumption was 456.1 MB. Max. memory is 7.1 GB. [2019-09-21 09:55:42,474 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 135.8 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 649.57 ms. Allocated memory was 135.8 MB in the beginning and 199.2 MB in the end (delta: 63.4 MB). Free memory was 85.1 MB in the beginning and 161.0 MB in the end (delta: -75.9 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 65.62 ms. Allocated memory is still 199.2 MB. Free memory was 161.0 MB in the beginning and 158.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 697.50 ms. Allocated memory is still 199.2 MB. Free memory was 158.5 MB in the beginning and 106.8 MB in the end (delta: 51.6 MB). Peak memory consumption was 51.6 MB. Max. memory is 7.1 GB. * Sifa took 29188.42 ms. Allocated memory was 199.2 MB in the beginning and 908.6 MB in the end (delta: 709.4 MB). Free memory was 106.8 MB in the beginning and 360.1 MB in the end (delta: -253.2 MB). Peak memory consumption was 456.1 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]: 29137, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 83, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 60, TOOLS_POST_TIME[ms]: 4913, TOOLS_POST_CALL_APPLICATIONS: 20, TOOLS_POST_CALL_TIME[ms]: 563, TOOLS_POST_RETURN_APPLICATIONS: 19, TOOLS_POST_RETURN_TIME[ms]: 21462, TOOLS_QUANTIFIERELIM_APPLICATIONS: 99, TOOLS_QUANTIFIERELIM_TIME[ms]: 26866, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 5080, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 99, FLUID_YES_ANSWERS: 3, DOMAIN_JOIN_APPLICATIONS: 27, DOMAIN_JOIN_TIME[ms]: 652, DOMAIN_ALPHA_APPLICATIONS: 3, DOMAIN_ALPHA_TIME[ms]: 43, DOMAIN_WIDEN_APPLICATIONS: 13, DOMAIN_WIDEN_TIME[ms]: 965, DOMAIN_ISSUBSETEQ_APPLICATIONS: 16, DOMAIN_ISSUBSETEQ_TIME[ms]: 417, DOMAIN_ISBOTTOM_APPLICATIONS: 6, DOMAIN_ISBOTTOM_TIME[ms]: 14, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 27585, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 27584, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 16, CALL_SUMMARIZER_APPLICATIONS: 19, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME[ms]: 27504, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 27503, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 17, DAG_COMPRESSION_PROCESSED_NODES: 134, DAG_COMPRESSION_RETAINED_NODES: 63 - UnprovableResult [Line: 612]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 297#(or (and (not (< main_~i~0 main_~len~0)) (or (not (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0)))) (exists ((v_sll_circular_create_~last~0.base_BEFORE_RETURN_1 Int) (v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1 Int)) (or (and (<= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1) 0) (< |main_~#s~0.base| |#StackHeapBarrier|) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1)) (<= 0 |#NULL.base|) (= 0 (select |old(#valid)| |main_~#s~0.base|)) (= main_~data~0 1) (not (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1 0) (= |main_~#s~0.offset| 0) (not (< main_~i~0 main_~len~0)) (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1)) (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1)) (= |#NULL.offset| 0) (not (= |main_~#s~0.base| 0)) (= main_~len~0 2) (= main_~i~0 0)) (and (<= (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1) 0) (< |main_~#s~0.base| |#StackHeapBarrier|) (not (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) 0)) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1)) (<= 0 |#NULL.base|) (= 0 (select |old(#valid)| |main_~#s~0.base|)) (= main_~data~0 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1) (<= v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1 0) (= |main_~#s~0.offset| 0) (not (< main_~i~0 main_~len~0)) (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) (select (select |#memory_$Pointer$.offset| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1)) (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) (select (select |#memory_$Pointer$.base| v_sll_circular_create_~last~0.base_BEFORE_RETURN_1) v_sll_circular_create_~last~0.offset_BEFORE_RETURN_1)) (= |#NULL.offset| 0) (not (= |main_~#s~0.base| 0)) (= main_~len~0 2) (= main_~i~0 0))))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...