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_prepend_equal.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 20:24:37,930 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 20:24:37,932 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 20:24:37,944 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 20:24:37,944 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 20:24:37,945 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 20:24:37,947 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 20:24:37,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 20:24:37,950 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 20:24:37,951 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 20:24:37,952 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 20:24:37,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 20:24:37,953 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 20:24:37,954 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 20:24:37,955 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 20:24:37,956 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 20:24:37,957 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 20:24:37,958 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 20:24:37,960 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 20:24:37,962 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 20:24:37,964 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 20:24:37,965 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 20:24:37,966 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 20:24:37,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 20:24:37,969 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 20:24:37,969 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 20:24:37,970 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 20:24:37,971 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 20:24:37,971 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 20:24:37,972 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 20:24:37,972 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 20:24:37,973 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 20:24:37,974 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 20:24:37,975 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 20:24:37,976 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 20:24:37,976 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 20:24:37,977 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 20:24:37,977 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 20:24:37,977 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 20:24:37,978 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 20:24:37,979 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 20:24:37,979 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 20:24:37,994 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 20:24:37,994 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 20:24:37,995 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 20:24:37,996 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 20:24:37,996 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 20:24:37,998 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 20:24:37,998 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 20:24:37,998 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 20:24:37,999 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 20:24:37,999 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 20:24:37,999 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 20:24:38,000 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 20:24:38,001 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 20:24:38,001 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 20:24:38,001 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 20:24:38,001 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 20:24:38,001 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 20:24:38,002 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 20:24:38,002 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 20:24:38,002 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 20:24:38,002 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 20:24:38,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 20:24:38,003 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 20:24:38,003 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 20:24:38,003 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 20:24:38,003 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 20:24:38,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 20:24:38,004 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 20:24:38,004 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 [2019-09-20 20:24:38,036 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 20:24:38,049 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 20:24:38,053 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 20:24:38,054 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 20:24:38,055 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 20:24:38,055 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2c_prepend_equal.i [2019-09-20 20:24:38,116 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4400174f1/db36e6e4d1ac4d6e80750c0d6668aeca/FLAG8399fe2a0 [2019-09-20 20:24:38,627 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 20:24:38,628 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2c_prepend_equal.i [2019-09-20 20:24:38,647 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4400174f1/db36e6e4d1ac4d6e80750c0d6668aeca/FLAG8399fe2a0 [2019-09-20 20:24:38,956 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4400174f1/db36e6e4d1ac4d6e80750c0d6668aeca [2019-09-20 20:24:38,965 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 20:24:38,966 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 20:24:38,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 20:24:38,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 20:24:38,971 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 20:24:38,972 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:24:38" (1/1) ... [2019-09-20 20:24:38,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@116d8396 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:24:38, skipping insertion in model container [2019-09-20 20:24:38,975 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:24:38" (1/1) ... [2019-09-20 20:24:38,983 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 20:24:39,037 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 20:24:39,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 20:24:39,505 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 20:24:39,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 20:24:39,630 INFO L192 MainTranslator]: Completed translation [2019-09-20 20:24:39,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:24:39 WrapperNode [2019-09-20 20:24:39,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 20:24:39,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 20:24:39,632 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 20:24:39,632 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 20:24:39,645 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:24:39" (1/1) ... [2019-09-20 20:24:39,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:24:39" (1/1) ... [2019-09-20 20:24:39,661 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:24:39" (1/1) ... [2019-09-20 20:24:39,662 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:24:39" (1/1) ... [2019-09-20 20:24:39,679 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:24:39" (1/1) ... [2019-09-20 20:24:39,686 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:24:39" (1/1) ... [2019-09-20 20:24:39,690 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:24:39" (1/1) ... [2019-09-20 20:24:39,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 20:24:39,704 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 20:24:39,704 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 20:24:39,704 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 20:24:39,706 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:24:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 20:24:39,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 20:24:39,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 20:24:39,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 20:24:39,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 20:24:39,770 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 20:24:39,770 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-20 20:24:39,770 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_create [2019-09-20 20:24:39,770 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_destroy [2019-09-20 20:24:39,771 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_prepend [2019-09-20 20:24:39,771 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 20:24:39,771 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 20:24:39,771 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 20:24:39,771 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 20:24:39,771 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 20:24:39,772 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 20:24:39,772 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 20:24:39,772 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 20:24:39,773 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 20:24:39,773 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 20:24:39,773 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 20:24:39,773 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 20:24:39,774 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 20:24:39,774 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 20:24:39,774 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 20:24:39,774 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 20:24:39,774 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 20:24:39,775 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 20:24:39,775 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 20:24:39,775 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 20:24:39,775 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 20:24:39,775 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 20:24:39,775 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 20:24:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 20:24:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 20:24:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 20:24:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 20:24:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 20:24:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 20:24:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 20:24:39,777 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 20:24:39,777 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 20:24:39,777 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 20:24:39,777 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 20:24:39,777 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 20:24:39,777 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 20:24:39,778 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 20:24:39,778 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 20:24:39,778 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 20:24:39,778 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 20:24:39,778 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 20:24:39,778 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 20:24:39,778 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 20:24:39,779 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 20:24:39,779 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 20:24:39,779 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 20:24:39,779 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 20:24:39,779 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 20:24:39,779 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 20:24:39,780 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 20:24:39,780 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 20:24:39,780 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 20:24:39,780 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 20:24:39,780 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 20:24:39,780 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 20:24:39,781 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 20:24:39,781 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 20:24:39,781 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 20:24:39,781 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 20:24:39,781 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 20:24:39,781 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 20:24:39,781 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 20:24:39,782 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 20:24:39,782 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 20:24:39,782 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 20:24:39,782 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 20:24:39,782 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 20:24:39,782 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 20:24:39,783 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 20:24:39,783 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 20:24:39,783 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 20:24:39,783 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 20:24:39,783 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 20:24:39,783 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 20:24:39,784 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 20:24:39,784 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 20:24:39,784 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 20:24:39,784 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 20:24:39,784 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 20:24:39,784 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 20:24:39,785 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 20:24:39,785 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 20:24:39,785 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 20:24:39,785 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 20:24:39,785 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 20:24:39,785 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 20:24:39,785 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 20:24:39,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 20:24:39,786 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 20:24:39,786 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 20:24:39,786 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 20:24:39,786 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 20:24:39,786 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 20:24:39,786 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 20:24:39,787 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 20:24:39,787 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 20:24:39,787 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 20:24:39,787 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 20:24:39,787 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 20:24:39,787 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 20:24:39,787 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 20:24:39,788 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 20:24:39,788 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 20:24:39,788 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 20:24:39,788 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 20:24:39,788 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 20:24:39,788 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 20:24:39,788 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 20:24:39,789 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-20 20:24:39,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 20:24:39,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 20:24:39,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 20:24:39,789 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_create [2019-09-20 20:24:39,789 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_destroy [2019-09-20 20:24:39,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 20:24:39,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 20:24:39,790 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_prepend [2019-09-20 20:24:39,790 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 20:24:39,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 20:24:39,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 20:24:39,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 20:24:39,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 20:24:39,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 20:24:40,188 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 20:24:40,487 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 20:24:40,488 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 20:24:40,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:24:40 BoogieIcfgContainer [2019-09-20 20:24:40,489 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 20:24:40,490 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 20:24:40,490 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 20:24:40,491 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 20:24:40,492 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:24:40" (1/1) ... [2019-09-20 20:24:40,492 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 [2019-09-20 20:24:40,518 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 20:24:40,518 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 20:24:40,528 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 20:24:40,547 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 20:24:40,549 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 20:24:40,717 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 20:24:40,950 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 20:24:41,098 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 20:24:41,402 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-20 20:24:41,618 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 70 [2019-09-20 20:24:42,569 WARN L191 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 114 [2019-09-20 20:24:42,954 WARN L191 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-20 20:24:43,363 WARN L191 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-09-20 20:24:43,673 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-09-20 20:24:43,946 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-20 20:24:44,182 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2019-09-20 20:24:44,979 WARN L191 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 114 [2019-09-20 20:24:45,251 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-20 20:24:45,672 WARN L191 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-20 20:24:46,087 WARN L191 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-20 20:24:49,470 WARN L191 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 192 DAG size of output: 128 [2019-09-20 20:24:53,853 WARN L191 SmtUtils]: Spent 3.80 s on a formula simplification. DAG size of input: 244 DAG size of output: 134 [2019-09-20 20:24:54,374 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 65 [2019-09-20 20:24:56,135 WARN L191 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 184 DAG size of output: 124 [2019-09-20 20:24:56,683 WARN L191 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 20:24:56,954 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-20 20:24:57,148 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 20:25:00,065 WARN L191 SmtUtils]: Spent 2.54 s on a formula simplification that was a NOOP. DAG size: 191 [2019-09-20 20:25:02,583 WARN L191 SmtUtils]: Spent 2.52 s on a formula simplification that was a NOOP. DAG size: 191 [2019-09-20 20:25:03,654 WARN L191 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 113 [2019-09-20 20:25:03,816 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-20 20:25:04,461 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 325 [2019-09-20 20:25:04,861 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-09-20 20:25:05,025 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 20:25:05,026 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 20:25:05,028 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 121#(or (not (= (select (select |#memory_int| main_~ptr~0.base) (+ main_~ptr~0.offset 4)) main_~data~0)) (and (not (= main_~count~0 (+ main_~len~0 1))) (exists ((v_main_~ptr~0.base_15 Int) (v_main_~ptr~0.offset_15 Int)) (and (= main_~data~0 (select (select |#memory_int| v_main_~ptr~0.base_15) (+ v_main_~ptr~0.offset_15 4))) (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) main_~ptr~0.base) (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) main_~ptr~0.offset) (= main_~ptr~0.offset (select (select |#memory_$Pointer$.offset| v_main_~ptr~0.base_15) v_main_~ptr~0.offset_15)) (= main_~ptr~0.base (select (select |#memory_$Pointer$.base| v_main_~ptr~0.base_15) v_main_~ptr~0.offset_15)))))) [2019-09-20 20:25:05,040 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 20:25:05,040 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 20:25:05,042 INFO L168 Benchmark]: Toolchain (without parser) took 26075.61 ms. Allocated memory was 141.6 MB in the beginning and 324.5 MB in the end (delta: 183.0 MB). Free memory was 86.5 MB in the beginning and 129.6 MB in the end (delta: -43.1 MB). Peak memory consumption was 139.8 MB. Max. memory is 7.1 GB. [2019-09-20 20:25:05,042 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 141.6 MB. Free memory is still 106.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 20:25:05,043 INFO L168 Benchmark]: CACSL2BoogieTranslator took 664.66 ms. Allocated memory was 141.6 MB in the beginning and 201.9 MB in the end (delta: 60.3 MB). Free memory was 86.5 MB in the beginning and 164.6 MB in the end (delta: -78.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. [2019-09-20 20:25:05,044 INFO L168 Benchmark]: Boogie Preprocessor took 70.26 ms. Allocated memory is still 201.9 MB. Free memory was 164.6 MB in the beginning and 161.2 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2019-09-20 20:25:05,044 INFO L168 Benchmark]: RCFGBuilder took 785.89 ms. Allocated memory is still 201.9 MB. Free memory was 161.2 MB in the beginning and 104.9 MB in the end (delta: 56.3 MB). Peak memory consumption was 56.3 MB. Max. memory is 7.1 GB. [2019-09-20 20:25:05,045 INFO L168 Benchmark]: Sifa took 24550.09 ms. Allocated memory was 201.9 MB in the beginning and 324.5 MB in the end (delta: 122.7 MB). Free memory was 104.9 MB in the beginning and 129.6 MB in the end (delta: -24.7 MB). Peak memory consumption was 98.0 MB. Max. memory is 7.1 GB. [2019-09-20 20:25:05,048 INFO L335 ainManager$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 141.6 MB. Free memory is still 106.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 664.66 ms. Allocated memory was 141.6 MB in the beginning and 201.9 MB in the end (delta: 60.3 MB). Free memory was 86.5 MB in the beginning and 164.6 MB in the end (delta: -78.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 70.26 ms. Allocated memory is still 201.9 MB. Free memory was 164.6 MB in the beginning and 161.2 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 785.89 ms. Allocated memory is still 201.9 MB. Free memory was 161.2 MB in the beginning and 104.9 MB in the end (delta: 56.3 MB). Peak memory consumption was 56.3 MB. Max. memory is 7.1 GB. * Sifa took 24550.09 ms. Allocated memory was 201.9 MB in the beginning and 324.5 MB in the end (delta: 122.7 MB). Free memory was 104.9 MB in the beginning and 129.6 MB in the end (delta: -24.7 MB). Peak memory consumption was 98.0 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]: 24510, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 61, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 49, TOOLS_POST_TIME[ms]: 5797, TOOLS_POST_CALL_APPLICATIONS: 9, TOOLS_POST_CALL_TIME[ms]: 9365, TOOLS_POST_RETURN_APPLICATIONS: 8, TOOLS_POST_RETURN_TIME[ms]: 2531, TOOLS_QUANTIFIERELIM_APPLICATIONS: 66, TOOLS_QUANTIFIERELIM_TIME[ms]: 17643, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 7626, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 69, FLUID_YES_ANSWERS: 2, DOMAIN_JOIN_APPLICATIONS: 19, DOMAIN_JOIN_TIME[ms]: 768, DOMAIN_ALPHA_APPLICATIONS: 2, DOMAIN_ALPHA_TIME[ms]: 3, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 5610, DOMAIN_ISSUBSETEQ_APPLICATIONS: 11, DOMAIN_ISSUBSETEQ_TIME[ms]: 279, DOMAIN_ISBOTTOM_APPLICATIONS: 6, DOMAIN_ISBOTTOM_TIME[ms]: 15, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 9154, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 9153, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 8, CALL_SUMMARIZER_APPLICATIONS: 8, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 14696, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 25, DAG_COMPRESSION_PROCESSED_NODES: 141, DAG_COMPRESSION_RETAINED_NODES: 68 - UnprovableResult [Line: 629]: 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 121#(or (not (= (select (select |#memory_int| main_~ptr~0.base) (+ main_~ptr~0.offset 4)) main_~data~0)) (and (not (= main_~count~0 (+ main_~len~0 1))) (exists ((v_main_~ptr~0.base_15 Int) (v_main_~ptr~0.offset_15 Int)) (and (= main_~data~0 (select (select |#memory_int| v_main_~ptr~0.base_15) (+ v_main_~ptr~0.offset_15 4))) (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) main_~ptr~0.base) (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) main_~ptr~0.offset) (= main_~ptr~0.offset (select (select |#memory_$Pointer$.offset| v_main_~ptr~0.base_15) v_main_~ptr~0.offset_15)) (= main_~ptr~0.base (select (select |#memory_$Pointer$.base| v_main_~ptr~0.base_15) v_main_~ptr~0.offset_15)))))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...