java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/list-simple/sll2n_prepend_unequal.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 15:40:32,877 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 15:40:32,879 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 15:40:32,891 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 15:40:32,891 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 15:40:32,892 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 15:40:32,894 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 15:40:32,905 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 15:40:32,908 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 15:40:32,909 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 15:40:32,911 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 15:40:32,912 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 15:40:32,912 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 15:40:32,914 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 15:40:32,918 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 15:40:32,920 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 15:40:32,920 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 15:40:32,923 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 15:40:32,924 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 15:40:32,926 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 15:40:32,930 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 15:40:32,933 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 15:40:32,935 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 15:40:32,935 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 15:40:32,941 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 15:40:32,941 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 15:40:32,941 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 15:40:32,944 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 15:40:32,946 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 15:40:32,948 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 15:40:32,948 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 15:40:32,949 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 15:40:32,950 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 15:40:32,951 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 15:40:32,952 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 15:40:32,952 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 15:40:32,952 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 15:40:32,953 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 15:40:32,953 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 15:40:32,954 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 15:40:32,955 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 15:40:32,955 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-25 15:40:32,970 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 15:40:32,970 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 15:40:32,971 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 15:40:32,971 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 15:40:32,972 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 15:40:32,972 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 15:40:32,972 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 15:40:32,972 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 15:40:32,972 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 15:40:32,973 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 15:40:32,973 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 15:40:32,973 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 15:40:32,973 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 15:40:32,973 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 15:40:32,974 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 15:40:32,974 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 15:40:32,974 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 15:40:32,974 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 15:40:32,974 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 15:40:32,975 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 15:40:32,975 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 15:40:32,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 15:40:32,975 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 15:40:32,976 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 15:40:32,976 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 15:40:32,976 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 15:40:32,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 15:40:32,976 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 15:40:32,977 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-25 15:40:33,013 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 15:40:33,024 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 15:40:33,031 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 15:40:33,033 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 15:40:33,033 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 15:40:33,034 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_prepend_unequal.i [2019-09-25 15:40:33,098 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ec2ee1a7/eb121f9f5e7340f3a01a97517ad46301/FLAG2bc8c8fb8 [2019-09-25 15:40:33,631 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 15:40:33,632 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2n_prepend_unequal.i [2019-09-25 15:40:33,652 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ec2ee1a7/eb121f9f5e7340f3a01a97517ad46301/FLAG2bc8c8fb8 [2019-09-25 15:40:33,910 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ec2ee1a7/eb121f9f5e7340f3a01a97517ad46301 [2019-09-25 15:40:33,920 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 15:40:33,922 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 15:40:33,923 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 15:40:33,923 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 15:40:33,926 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 15:40:33,927 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:40:33" (1/1) ... [2019-09-25 15:40:33,929 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e27a890 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:40:33, skipping insertion in model container [2019-09-25 15:40:33,929 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:40:33" (1/1) ... [2019-09-25 15:40:33,936 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 15:40:33,977 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 15:40:34,443 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 15:40:34,454 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 15:40:34,513 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 15:40:34,579 INFO L192 MainTranslator]: Completed translation [2019-09-25 15:40:34,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:40:34 WrapperNode [2019-09-25 15:40:34,580 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 15:40:34,581 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 15:40:34,581 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 15:40:34,581 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 15:40:34,592 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:40:34" (1/1) ... [2019-09-25 15:40:34,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:40:34" (1/1) ... [2019-09-25 15:40:34,609 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:40:34" (1/1) ... [2019-09-25 15:40:34,610 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:40:34" (1/1) ... [2019-09-25 15:40:34,627 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:40:34" (1/1) ... [2019-09-25 15:40:34,633 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:40:34" (1/1) ... [2019-09-25 15:40:34,636 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:40:34" (1/1) ... [2019-09-25 15:40:34,643 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 15:40:34,644 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 15:40:34,644 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 15:40:34,644 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 15:40:34,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:40:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 15:40:34,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 15:40:34,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 15:40:34,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-25 15:40:34,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-25 15:40:34,706 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-25 15:40:34,706 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-25 15:40:34,706 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2019-09-25 15:40:34,706 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2019-09-25 15:40:34,707 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_prepend [2019-09-25 15:40:34,707 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 15:40:34,707 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 15:40:34,707 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-25 15:40:34,707 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-25 15:40:34,707 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-25 15:40:34,708 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-25 15:40:34,708 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-25 15:40:34,708 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-25 15:40:34,708 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-25 15:40:34,708 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-25 15:40:34,708 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-25 15:40:34,709 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-25 15:40:34,709 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-25 15:40:34,709 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-25 15:40:34,709 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-25 15:40:34,709 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-25 15:40:34,710 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-25 15:40:34,710 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-25 15:40:34,710 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-25 15:40:34,710 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-25 15:40:34,710 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-25 15:40:34,710 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-25 15:40:34,710 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-25 15:40:34,711 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-25 15:40:34,711 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-25 15:40:34,711 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-25 15:40:34,711 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-25 15:40:34,711 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-25 15:40:34,711 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-25 15:40:34,712 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-25 15:40:34,712 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-25 15:40:34,712 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-25 15:40:34,712 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-25 15:40:34,712 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-25 15:40:34,712 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-25 15:40:34,713 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-25 15:40:34,713 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-25 15:40:34,713 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-25 15:40:34,713 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-25 15:40:34,713 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-25 15:40:34,713 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-25 15:40:34,713 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-25 15:40:34,714 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-25 15:40:34,714 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-25 15:40:34,714 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-25 15:40:34,714 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-25 15:40:34,714 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-25 15:40:34,714 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-25 15:40:34,714 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-25 15:40:34,715 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-25 15:40:34,715 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-25 15:40:34,715 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-25 15:40:34,715 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-25 15:40:34,715 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-25 15:40:34,715 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 15:40:34,716 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-25 15:40:34,716 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-25 15:40:34,716 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 15:40:34,716 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-25 15:40:34,716 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-25 15:40:34,716 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-25 15:40:34,717 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-25 15:40:34,717 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-25 15:40:34,717 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-25 15:40:34,717 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-25 15:40:34,717 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-25 15:40:34,717 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-25 15:40:34,717 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-25 15:40:34,718 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-25 15:40:34,718 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-25 15:40:34,718 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-25 15:40:34,718 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-25 15:40:34,718 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-25 15:40:34,718 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-25 15:40:34,719 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-25 15:40:34,719 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-25 15:40:34,719 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-25 15:40:34,719 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-25 15:40:34,719 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-25 15:40:34,719 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-25 15:40:34,719 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-25 15:40:34,720 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-25 15:40:34,720 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-25 15:40:34,720 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-25 15:40:34,720 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-25 15:40:34,720 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-25 15:40:34,720 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-25 15:40:34,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-25 15:40:34,721 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-25 15:40:34,721 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-25 15:40:34,721 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-25 15:40:34,721 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-25 15:40:34,721 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-25 15:40:34,721 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-25 15:40:34,722 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-25 15:40:34,722 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-25 15:40:34,722 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-25 15:40:34,722 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-25 15:40:34,722 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-25 15:40:34,722 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-25 15:40:34,722 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-25 15:40:34,723 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-25 15:40:34,723 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-25 15:40:34,723 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-25 15:40:34,723 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-25 15:40:34,723 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-25 15:40:34,723 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-25 15:40:34,723 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-25 15:40:34,724 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-25 15:40:34,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 15:40:34,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 15:40:34,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 15:40:34,724 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2019-09-25 15:40:34,725 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2019-09-25 15:40:34,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 15:40:34,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 15:40:34,726 INFO L130 BoogieDeclarations]: Found specification of procedure sll_prepend [2019-09-25 15:40:34,726 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 15:40:34,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 15:40:34,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-25 15:40:34,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 15:40:34,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 15:40:34,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 15:40:35,083 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-25 15:40:35,390 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 15:40:35,390 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-25 15:40:35,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:40:35 BoogieIcfgContainer [2019-09-25 15:40:35,392 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 15:40:35,392 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 15:40:35,392 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 15:40:35,393 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 15:40:35,394 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:40:35" (1/1) ... [2019-09-25 15:40:35,395 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 15:40:35,422 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 15:40:35,422 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 15:40:35,441 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 15:40:35,455 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 15:40:35,457 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 15:40:35,630 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-25 15:40:35,836 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-25 15:40:35,888 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-25 15:40:36,891 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 15:40:36,892 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 15:40:36,894 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 104#true [2019-09-25 15:40:36,912 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 15:40:36,912 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 15:40:36,923 INFO L168 Benchmark]: Toolchain (without parser) took 2991.75 ms. Allocated memory was 132.1 MB in the beginning and 222.8 MB in the end (delta: 90.7 MB). Free memory was 85.0 MB in the beginning and 95.9 MB in the end (delta: -11.0 MB). Peak memory consumption was 79.7 MB. Max. memory is 7.1 GB. [2019-09-25 15:40:36,924 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 132.1 MB. Free memory is still 104.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-25 15:40:36,924 INFO L168 Benchmark]: CACSL2BoogieTranslator took 657.68 ms. Allocated memory was 132.1 MB in the beginning and 200.8 MB in the end (delta: 68.7 MB). Free memory was 84.6 MB in the beginning and 163.2 MB in the end (delta: -78.6 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2019-09-25 15:40:36,928 INFO L168 Benchmark]: Boogie Preprocessor took 62.71 ms. Allocated memory is still 200.8 MB. Free memory was 163.2 MB in the beginning and 160.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-09-25 15:40:36,928 INFO L168 Benchmark]: RCFGBuilder took 748.03 ms. Allocated memory is still 200.8 MB. Free memory was 160.4 MB in the beginning and 107.9 MB in the end (delta: 52.6 MB). Peak memory consumption was 52.6 MB. Max. memory is 7.1 GB. [2019-09-25 15:40:36,930 INFO L168 Benchmark]: Sifa took 1519.77 ms. Allocated memory was 200.8 MB in the beginning and 222.8 MB in the end (delta: 22.0 MB). Free memory was 107.9 MB in the beginning and 95.9 MB in the end (delta: 11.9 MB). Peak memory consumption was 34.0 MB. Max. memory is 7.1 GB. [2019-09-25 15:40:36,934 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 132.1 MB. Free memory is still 104.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 657.68 ms. Allocated memory was 132.1 MB in the beginning and 200.8 MB in the end (delta: 68.7 MB). Free memory was 84.6 MB in the beginning and 163.2 MB in the end (delta: -78.6 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 62.71 ms. Allocated memory is still 200.8 MB. Free memory was 163.2 MB in the beginning and 160.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 748.03 ms. Allocated memory is still 200.8 MB. Free memory was 160.4 MB in the beginning and 107.9 MB in the end (delta: 52.6 MB). Peak memory consumption was 52.6 MB. Max. memory is 7.1 GB. * Sifa took 1519.77 ms. Allocated memory was 200.8 MB in the beginning and 222.8 MB in the end (delta: 22.0 MB). Free memory was 107.9 MB in the beginning and 95.9 MB in the end (delta: 11.9 MB). Peak memory consumption was 34.0 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]: 1472, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 42, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 31, TOOLS_POST_TIME[ms]: 841, TOOLS_POST_CALL_APPLICATIONS: 9, TOOLS_POST_CALL_TIME[ms]: 164, TOOLS_POST_RETURN_APPLICATIONS: 8, TOOLS_POST_RETURN_TIME[ms]: 165, TOOLS_QUANTIFIERELIM_APPLICATIONS: 48, TOOLS_QUANTIFIERELIM_TIME[ms]: 1128, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 194, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 48, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 14, DOMAIN_JOIN_TIME[ms]: 100, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 50, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 18, DOMAIN_ISBOTTOM_APPLICATIONS: 3, DOMAIN_ISBOTTOM_TIME[ms]: 11, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 899, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 898, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 8, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1151, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1150, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 22, DAG_COMPRESSION_PROCESSED_NODES: 119, DAG_COMPRESSION_RETAINED_NODES: 51 - UnprovableResult [Line: 618]: 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 104#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...