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 NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-simple/sll2c_update_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 23:21:51,857 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 23:21:51,859 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 23:21:51,871 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 23:21:51,872 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 23:21:51,873 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 23:21:51,874 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 23:21:51,876 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 23:21:51,878 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 23:21:51,879 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 23:21:51,880 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 23:21:51,881 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 23:21:51,881 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 23:21:51,882 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 23:21:51,883 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 23:21:51,885 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 23:21:51,885 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 23:21:51,886 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 23:21:51,888 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 23:21:51,890 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 23:21:51,892 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 23:21:51,893 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 23:21:51,895 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 23:21:51,895 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 23:21:51,898 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 23:21:51,898 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 23:21:51,898 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 23:21:51,899 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 23:21:51,900 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 23:21:51,901 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 23:21:51,901 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 23:21:51,903 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 23:21:51,904 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 23:21:51,905 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 23:21:51,906 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 23:21:51,906 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 23:21:51,907 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 23:21:51,907 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 23:21:51,907 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 23:21:51,908 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 23:21:51,909 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 23:21:51,910 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 23:21:51,933 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 23:21:51,933 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 23:21:51,935 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 23:21:51,935 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 23:21:51,935 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 23:21:51,936 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 23:21:51,936 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 23:21:51,936 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 23:21:51,936 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 23:21:51,936 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 23:21:51,937 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 23:21:51,937 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 23:21:51,939 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 23:21:51,939 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 23:21:51,939 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 23:21:51,940 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 23:21:51,940 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 23:21:51,940 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 23:21:51,940 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 23:21:51,940 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 23:21:51,941 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 23:21:51,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 23:21:51,941 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 23:21:51,941 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 23:21:51,941 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 23:21:51,942 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 23:21:51,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 23:21:51,942 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 23:21:51,942 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 -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 23:21:51,998 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 23:21:52,011 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 23:21:52,015 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 23:21:52,016 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 23:21:52,017 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 23:21:52,017 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2c_update_all_reverse.i [2019-09-20 23:21:52,079 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a732540c3/b38a9c852b75429c87b7ff0b3c72d1ea/FLAG65db527fe [2019-09-20 23:21:52,631 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 23:21:52,631 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2c_update_all_reverse.i [2019-09-20 23:21:52,650 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a732540c3/b38a9c852b75429c87b7ff0b3c72d1ea/FLAG65db527fe [2019-09-20 23:21:52,922 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a732540c3/b38a9c852b75429c87b7ff0b3c72d1ea [2019-09-20 23:21:52,931 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 23:21:52,932 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 23:21:52,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 23:21:52,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 23:21:52,937 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 23:21:52,938 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:21:52" (1/1) ... [2019-09-20 23:21:52,941 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27f249b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:21:52, skipping insertion in model container [2019-09-20 23:21:52,941 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:21:52" (1/1) ... [2019-09-20 23:21:52,950 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 23:21:52,998 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 23:21:53,416 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:21:53,434 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 23:21:53,478 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:21:53,532 INFO L192 MainTranslator]: Completed translation [2019-09-20 23:21:53,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:21:53 WrapperNode [2019-09-20 23:21:53,533 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 23:21:53,533 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 23:21:53,534 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 23:21:53,534 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 23:21:53,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:21:53" (1/1) ... [2019-09-20 23:21:53,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:21:53" (1/1) ... [2019-09-20 23:21:53,566 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:21:53" (1/1) ... [2019-09-20 23:21:53,566 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:21:53" (1/1) ... [2019-09-20 23:21:53,582 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:21:53" (1/1) ... [2019-09-20 23:21:53,592 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:21:53" (1/1) ... [2019-09-20 23:21:53,596 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:21:53" (1/1) ... [2019-09-20 23:21:53,602 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 23:21:53,603 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 23:21:53,603 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 23:21:53,603 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 23:21:53,604 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:21:53" (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 23:21:53,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 23:21:53,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 23:21:53,663 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 23:21:53,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 23:21:53,664 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 23:21:53,665 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-20 23:21:53,665 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_create [2019-09-20 23:21:53,665 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_destroy [2019-09-20 23:21:53,666 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_get_data_at [2019-09-20 23:21:53,666 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_update_at [2019-09-20 23:21:53,666 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 23:21:53,667 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 23:21:53,667 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 23:21:53,667 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 23:21:53,668 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 23:21:53,668 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 23:21:53,668 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 23:21:53,668 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 23:21:53,668 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 23:21:53,668 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 23:21:53,669 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 23:21:53,669 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 23:21:53,669 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 23:21:53,669 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 23:21:53,669 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 23:21:53,670 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 23:21:53,670 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 23:21:53,670 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 23:21:53,670 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 23:21:53,670 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 23:21:53,671 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 23:21:53,671 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 23:21:53,671 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 23:21:53,671 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 23:21:53,671 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 23:21:53,671 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 23:21:53,672 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 23:21:53,672 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 23:21:53,672 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 23:21:53,672 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 23:21:53,672 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 23:21:53,672 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 23:21:53,673 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 23:21:53,673 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 23:21:53,673 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 23:21:53,673 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 23:21:53,673 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 23:21:53,673 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 23:21:53,674 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 23:21:53,674 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 23:21:53,674 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 23:21:53,674 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 23:21:53,674 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 23:21:53,674 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 23:21:53,674 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 23:21:53,675 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 23:21:53,675 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 23:21:53,675 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 23:21:53,675 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 23:21:53,675 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 23:21:53,675 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 23:21:53,676 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 23:21:53,676 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 23:21:53,676 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 23:21:53,676 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 23:21:53,676 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 23:21:53,676 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 23:21:53,677 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 23:21:53,677 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 23:21:53,677 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 23:21:53,677 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 23:21:53,677 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 23:21:53,677 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 23:21:53,678 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 23:21:53,678 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 23:21:53,678 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 23:21:53,678 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 23:21:53,678 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 23:21:53,678 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 23:21:53,679 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 23:21:53,679 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 23:21:53,679 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 23:21:53,679 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 23:21:53,679 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 23:21:53,679 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 23:21:53,679 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 23:21:53,680 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 23:21:53,680 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 23:21:53,680 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 23:21:53,680 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 23:21:53,680 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 23:21:53,680 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 23:21:53,681 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 23:21:53,681 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 23:21:53,681 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 23:21:53,681 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 23:21:53,681 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 23:21:53,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 23:21:53,681 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 23:21:53,682 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 23:21:53,682 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 23:21:53,682 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 23:21:53,682 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 23:21:53,682 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 23:21:53,682 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 23:21:53,682 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 23:21:53,683 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 23:21:53,683 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 23:21:53,683 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 23:21:53,683 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 23:21:53,683 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 23:21:53,683 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 23:21:53,683 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 23:21:53,684 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 23:21:53,684 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 23:21:53,684 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 23:21:53,684 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 23:21:53,684 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 23:21:53,684 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-20 23:21:53,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 23:21:53,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 23:21:53,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 23:21:53,685 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_create [2019-09-20 23:21:53,685 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_destroy [2019-09-20 23:21:53,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 23:21:53,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 23:21:53,686 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_get_data_at [2019-09-20 23:21:53,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 23:21:53,686 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_update_at [2019-09-20 23:21:53,686 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 23:21:53,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 23:21:53,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 23:21:54,063 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 23:21:54,411 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 23:21:54,411 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-20 23:21:54,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:21:54 BoogieIcfgContainer [2019-09-20 23:21:54,413 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 23:21:54,413 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 23:21:54,413 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 23:21:54,414 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 23:21:54,415 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:21:54" (1/1) ... [2019-09-20 23:21:54,416 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=NeverFluid [2019-09-20 23:21:54,441 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 23:21:54,441 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 23:21:54,449 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 23:21:54,459 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 23:21:54,461 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 23:21:54,605 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 23:21:54,712 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 23:21:55,807 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2019-09-20 23:21:56,250 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 23:21:56,420 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-20 23:21:56,561 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-20 23:21:56,715 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-20 23:21:56,874 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 23:21:57,022 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 23:21:57,163 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-20 23:21:57,283 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-20 23:21:57,429 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 23:21:57,558 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-20 23:21:57,789 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-20 23:21:57,981 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 23:21:58,146 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 23:21:58,288 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-20 23:21:58,447 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-20 23:21:58,580 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-20 23:21:58,832 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2019-09-20 23:21:58,975 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-09-20 23:21:59,332 WARN L191 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2019-09-20 23:22:00,651 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 23:22:00,827 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2019-09-20 23:22:01,163 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 23:22:01,362 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2019-09-20 23:22:01,478 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 23:22:01,615 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 40 [2019-09-20 23:22:01,935 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 97 [2019-09-20 23:22:06,169 WARN L191 SmtUtils]: Spent 3.32 s on a formula simplification that was a NOOP. DAG size: 158 [2019-09-20 23:22:06,190 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 23:22:06,190 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 23:22:06,192 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 180#true [2019-09-20 23:22:06,206 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 23:22:06,207 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 23:22:06,208 INFO L168 Benchmark]: Toolchain (without parser) took 13276.59 ms. Allocated memory was 134.7 MB in the beginning and 340.8 MB in the end (delta: 206.0 MB). Free memory was 89.0 MB in the beginning and 256.3 MB in the end (delta: -167.3 MB). Peak memory consumption was 38.8 MB. Max. memory is 7.1 GB. [2019-09-20 23:22:06,209 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 134.7 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 23:22:06,209 INFO L168 Benchmark]: CACSL2BoogieTranslator took 600.21 ms. Allocated memory was 134.7 MB in the beginning and 201.3 MB in the end (delta: 66.6 MB). Free memory was 88.8 MB in the beginning and 162.2 MB in the end (delta: -73.3 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2019-09-20 23:22:06,210 INFO L168 Benchmark]: Boogie Preprocessor took 69.34 ms. Allocated memory is still 201.3 MB. Free memory was 162.2 MB in the beginning and 159.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2019-09-20 23:22:06,210 INFO L168 Benchmark]: RCFGBuilder took 809.83 ms. Allocated memory is still 201.3 MB. Free memory was 159.0 MB in the beginning and 102.2 MB in the end (delta: 56.8 MB). Peak memory consumption was 56.8 MB. Max. memory is 7.1 GB. [2019-09-20 23:22:06,210 INFO L168 Benchmark]: Sifa took 11793.58 ms. Allocated memory was 201.3 MB in the beginning and 340.8 MB in the end (delta: 139.5 MB). Free memory was 102.2 MB in the beginning and 256.3 MB in the end (delta: -154.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 23:22:06,212 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 134.7 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 600.21 ms. Allocated memory was 134.7 MB in the beginning and 201.3 MB in the end (delta: 66.6 MB). Free memory was 88.8 MB in the beginning and 162.2 MB in the end (delta: -73.3 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 69.34 ms. Allocated memory is still 201.3 MB. Free memory was 162.2 MB in the beginning and 159.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 809.83 ms. Allocated memory is still 201.3 MB. Free memory was 159.0 MB in the beginning and 102.2 MB in the end (delta: 56.8 MB). Peak memory consumption was 56.8 MB. Max. memory is 7.1 GB. * Sifa took 11793.58 ms. Allocated memory was 201.3 MB in the beginning and 340.8 MB in the end (delta: 139.5 MB). Free memory was 102.2 MB in the beginning and 256.3 MB in the end (delta: -154.0 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 11751, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 77, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 54, TOOLS_POST_TIME[ms]: 2357, TOOLS_POST_CALL_APPLICATIONS: 18, TOOLS_POST_CALL_TIME[ms]: 112, TOOLS_POST_RETURN_APPLICATIONS: 17, TOOLS_POST_RETURN_TIME[ms]: 2742, TOOLS_QUANTIFIERELIM_APPLICATIONS: 89, TOOLS_QUANTIFIERELIM_TIME[ms]: 5164, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 1516, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 94, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 25, DOMAIN_JOIN_TIME[ms]: 1525, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 12, DOMAIN_WIDEN_TIME[ms]: 4586, DOMAIN_ISSUBSETEQ_APPLICATIONS: 17, DOMAIN_ISSUBSETEQ_TIME[ms]: 334, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 8, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 10233, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 10233, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 17, CALL_SUMMARIZER_APPLICATIONS: 17, CALL_SUMMARIZER_CACHE_MISSES: 6, CALL_SUMMARIZER_OVERALL_TIME[ms]: 6305, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 6305, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 16, DAG_COMPRESSION_PROCESSED_NODES: 126, DAG_COMPRESSION_RETAINED_NODES: 66 - UnprovableResult [Line: 626]: 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 180#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...