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 ReUseSupersetCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-simple/sll2c_remove_all.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 21:44:52,873 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 21:44:52,876 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 21:44:52,895 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 21:44:52,896 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 21:44:52,898 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 21:44:52,900 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 21:44:52,910 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 21:44:52,915 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 21:44:52,918 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 21:44:52,920 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 21:44:52,922 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 21:44:52,922 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 21:44:52,924 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 21:44:52,927 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 21:44:52,928 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 21:44:52,931 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 21:44:52,933 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 21:44:52,935 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 21:44:52,940 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 21:44:52,944 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 21:44:52,947 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 21:44:52,950 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 21:44:52,951 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 21:44:52,953 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 21:44:52,954 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 21:44:52,954 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 21:44:52,956 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 21:44:52,957 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 21:44:52,958 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 21:44:52,958 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 21:44:52,960 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 21:44:52,961 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 21:44:52,962 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 21:44:52,964 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 21:44:52,964 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 21:44:52,965 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 21:44:52,965 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 21:44:52,965 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 21:44:52,966 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 21:44:52,967 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 21:44:52,968 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 [2019-09-18 21:44:53,006 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 21:44:53,007 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 21:44:53,011 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 21:44:53,011 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 21:44:53,012 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 21:44:53,012 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 21:44:53,015 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 21:44:53,015 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 21:44:53,016 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 21:44:53,016 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 21:44:53,016 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 21:44:53,016 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 21:44:53,016 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 21:44:53,017 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 21:44:53,017 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 21:44:53,017 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 21:44:53,020 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 21:44:53,021 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 21:44:53,021 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 21:44:53,021 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 21:44:53,021 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 21:44:53,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 21:44:53,022 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 21:44:53,022 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 21:44:53,022 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 21:44:53,022 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 21:44:53,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 21:44:53,023 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 21:44:53,023 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> ReUseSupersetCallSummarizer 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_DDA [2019-09-18 21:44:53,079 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 21:44:53,101 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 21:44:53,107 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 21:44:53,109 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 21:44:53,109 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 21:44:53,110 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2c_remove_all.i [2019-09-18 21:44:53,189 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad5db82e1/3b7faab4e55e41a184222364d40aa362/FLAG736d4b87a [2019-09-18 21:44:53,766 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 21:44:53,767 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2c_remove_all.i [2019-09-18 21:44:53,782 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad5db82e1/3b7faab4e55e41a184222364d40aa362/FLAG736d4b87a [2019-09-18 21:44:54,191 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad5db82e1/3b7faab4e55e41a184222364d40aa362 [2019-09-18 21:44:54,201 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 21:44:54,203 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 21:44:54,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 21:44:54,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 21:44:54,207 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 21:44:54,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 09:44:54" (1/1) ... [2019-09-18 21:44:54,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a6c06a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:44:54, skipping insertion in model container [2019-09-18 21:44:54,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 09:44:54" (1/1) ... [2019-09-18 21:44:54,219 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 21:44:54,265 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 21:44:54,697 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 21:44:54,707 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 21:44:54,768 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 21:44:54,824 INFO L192 MainTranslator]: Completed translation [2019-09-18 21:44:54,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:44:54 WrapperNode [2019-09-18 21:44:54,825 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 21:44:54,826 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 21:44:54,826 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 21:44:54,826 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 21:44:54,841 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:44:54" (1/1) ... [2019-09-18 21:44:54,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:44:54" (1/1) ... [2019-09-18 21:44:54,875 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:44:54" (1/1) ... [2019-09-18 21:44:54,875 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:44:54" (1/1) ... [2019-09-18 21:44:54,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:44:54" (1/1) ... [2019-09-18 21:44:54,899 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:44:54" (1/1) ... [2019-09-18 21:44:54,903 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:44:54" (1/1) ... [2019-09-18 21:44:54,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 21:44:54,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 21:44:54,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 21:44:54,911 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 21:44:54,912 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:44:54" (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 [2019-09-18 21:44:54,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 21:44:54,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 21:44:54,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-18 21:44:54,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-18 21:44:54,972 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-18 21:44:54,973 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-18 21:44:54,973 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_create [2019-09-18 21:44:54,974 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_remove_first [2019-09-18 21:44:54,975 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 21:44:54,975 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 21:44:54,975 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-18 21:44:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-18 21:44:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-18 21:44:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-18 21:44:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-18 21:44:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-18 21:44:54,979 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-18 21:44:54,980 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-18 21:44:54,980 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-18 21:44:54,980 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-18 21:44:54,980 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-18 21:44:54,981 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-18 21:44:54,981 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-18 21:44:54,981 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-18 21:44:54,981 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-18 21:44:54,983 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-18 21:44:54,983 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-18 21:44:54,984 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-18 21:44:54,984 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-18 21:44:54,984 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-18 21:44:54,984 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-18 21:44:54,984 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-18 21:44:54,985 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-18 21:44:54,985 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-18 21:44:54,985 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-18 21:44:54,985 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-18 21:44:54,985 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-18 21:44:54,986 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-18 21:44:54,986 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-18 21:44:54,986 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-18 21:44:54,986 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-18 21:44:54,986 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-18 21:44:54,987 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-18 21:44:54,987 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-18 21:44:54,987 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-18 21:44:54,987 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-18 21:44:54,987 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-18 21:44:54,987 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-18 21:44:54,987 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-18 21:44:54,988 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-18 21:44:54,988 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-18 21:44:54,988 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-18 21:44:54,988 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-18 21:44:54,988 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-18 21:44:54,988 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-18 21:44:54,988 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-18 21:44:54,989 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-18 21:44:54,989 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-18 21:44:54,989 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-18 21:44:54,990 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-18 21:44:54,990 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-18 21:44:54,990 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-18 21:44:54,990 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 21:44:54,991 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-18 21:44:54,992 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-18 21:44:54,992 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 21:44:54,992 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-18 21:44:54,992 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-18 21:44:54,992 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-18 21:44:54,992 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-18 21:44:54,992 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-18 21:44:54,992 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-18 21:44:54,993 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-18 21:44:54,993 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-18 21:44:54,993 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-18 21:44:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-18 21:44:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-18 21:44:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-18 21:44:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-18 21:44:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-18 21:44:54,997 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-18 21:44:54,997 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-18 21:44:54,997 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-18 21:44:54,997 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-18 21:44:54,997 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-18 21:44:54,997 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-18 21:44:54,998 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-18 21:44:54,998 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-18 21:44:54,998 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-18 21:44:54,998 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-18 21:44:54,998 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-18 21:44:54,998 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-18 21:44:54,998 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-18 21:44:54,999 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-18 21:44:54,999 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-18 21:44:54,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-18 21:44:54,999 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-18 21:44:54,999 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-18 21:44:54,999 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-18 21:44:55,000 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-18 21:44:55,000 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-18 21:44:55,000 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-18 21:44:55,000 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-18 21:44:55,000 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-18 21:44:55,000 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-18 21:44:55,000 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-18 21:44:55,001 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-18 21:44:55,001 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-18 21:44:55,001 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-18 21:44:55,001 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-18 21:44:55,001 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-18 21:44:55,001 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-18 21:44:55,001 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-18 21:44:55,002 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-18 21:44:55,002 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-18 21:44:55,002 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-18 21:44:55,002 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-18 21:44:55,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 21:44:55,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 21:44:55,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 21:44:55,003 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_create [2019-09-18 21:44:55,003 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_remove_first [2019-09-18 21:44:55,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 21:44:55,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 21:44:55,003 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 21:44:55,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 21:44:55,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-18 21:44:55,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 21:44:55,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 21:44:55,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 21:44:55,419 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-18 21:44:55,673 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 21:44:55,673 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-18 21:44:55,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 09:44:55 BoogieIcfgContainer [2019-09-18 21:44:55,675 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 21:44:55,675 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 21:44:55,675 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 21:44:55,676 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 21:44:55,677 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 09:44:55" (1/1) ... [2019-09-18 21:44:55,678 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 21:44:55,706 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 21:44:55,709 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 21:44:55,719 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 21:44:55,728 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 21:44:55,730 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 21:44:55,893 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-18 21:44:56,154 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-18 21:44:56,301 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-18 21:44:56,599 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-18 21:44:56,864 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 70 [2019-09-18 21:44:57,824 WARN L191 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 114 [2019-09-18 21:44:58,138 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-18 21:44:58,623 WARN L191 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-09-18 21:44:59,016 WARN L191 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-09-18 21:44:59,282 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-18 21:44:59,526 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2019-09-18 21:45:00,401 WARN L191 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 114 [2019-09-18 21:45:00,704 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-18 21:45:01,132 WARN L191 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-18 21:45:01,494 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-18 21:45:06,353 WARN L191 SmtUtils]: Spent 4.74 s on a formula simplification. DAG size of input: 192 DAG size of output: 131 [2019-09-18 21:45:07,099 WARN L191 SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-18 21:45:10,329 WARN L191 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 239 DAG size of output: 129 [2019-09-18 21:45:11,006 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 62 [2019-09-18 21:45:12,833 WARN L191 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 155 DAG size of output: 120 [2019-09-18 21:45:13,250 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-18 21:45:13,494 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-18 21:45:13,702 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-18 21:45:15,298 WARN L191 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 157 [2019-09-18 21:45:16,735 WARN L191 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 157 [2019-09-18 21:45:19,142 WARN L191 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 135 DAG size of output: 132 [2019-09-18 21:45:20,400 WARN L191 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 192 [2019-09-18 21:45:31,363 WARN L191 SmtUtils]: Spent 9.34 s on a formula simplification. DAG size of input: 611 DAG size of output: 299 [2019-09-18 21:45:33,603 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-18 21:45:34,472 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-18 21:45:44,192 WARN L191 SmtUtils]: Spent 9.68 s on a formula simplification. DAG size of input: 582 DAG size of output: 283 [2019-09-18 21:45:47,326 WARN L191 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 436 DAG size of output: 231 [2019-09-18 21:45:47,722 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2019-09-18 21:53:45,309 WARN L191 SmtUtils]: Spent 7.63 m on a formula simplification. DAG size of input: 525 DAG size of output: 501 [2019-09-18 21:56:56,072 WARN L191 SmtUtils]: Spent 3.13 m on a formula simplification that was a NOOP. DAG size: 493 [2019-09-18 21:57:07,419 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 93 [2019-09-18 21:57:12,733 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 59 [2019-09-18 21:57:13,937 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 59 [2019-09-18 21:57:25,837 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 93 [2019-09-18 21:57:27,592 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 59 [2019-09-18 21:57:39,180 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 93 [2019-09-18 21:57:51,084 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 93 [2019-09-18 21:57:54,664 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 59