./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ldv-memsafety/memset3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5fbdf5bf Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/ldv-memsafety/memset3.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 06914024aa49a34ce88c7dcbc25f89730c27c8e4 ....................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-31 05:22:28,264 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 05:22:28,267 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 05:22:28,315 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 05:22:28,316 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 05:22:28,319 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 05:22:28,321 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 05:22:28,326 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 05:22:28,329 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 05:22:28,333 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 05:22:28,334 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 05:22:28,338 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 05:22:28,339 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 05:22:28,341 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 05:22:28,343 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 05:22:28,346 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 05:22:28,347 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 05:22:28,348 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 05:22:28,351 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 05:22:28,357 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 05:22:28,358 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 05:22:28,359 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 05:22:28,361 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 05:22:28,362 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 05:22:28,368 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 05:22:28,369 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 05:22:28,369 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 05:22:28,371 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 05:22:28,371 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 05:22:28,372 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 05:22:28,373 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 05:22:28,373 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 05:22:28,375 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 05:22:28,376 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 05:22:28,377 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 05:22:28,377 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 05:22:28,378 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 05:22:28,378 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 05:22:28,378 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 05:22:28,380 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 05:22:28,381 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 05:22:28,385 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 05:22:28,424 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 05:22:28,425 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 05:22:28,426 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 05:22:28,426 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 05:22:28,428 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 05:22:28,428 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 05:22:28,428 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 05:22:28,428 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 05:22:28,429 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 05:22:28,429 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 05:22:28,430 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 05:22:28,430 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 05:22:28,430 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 05:22:28,430 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 05:22:28,430 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 05:22:28,431 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 05:22:28,431 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 05:22:28,431 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 05:22:28,431 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 05:22:28,431 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 05:22:28,432 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 05:22:28,432 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 05:22:28,433 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 05:22:28,433 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 05:22:28,433 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 05:22:28,433 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 05:22:28,433 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 05:22:28,434 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 05:22:28,434 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 05:22:28,434 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 05:22:28,434 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 05:22:28,435 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 05:22:28,436 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 05:22:28,436 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06914024aa49a34ce88c7dcbc25f89730c27c8e4 [2021-08-31 05:22:28,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 05:22:28,803 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 05:22:28,806 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 05:22:28,807 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 05:22:28,807 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 05:22:28,809 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memset3.c [2021-08-31 05:22:28,873 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/673a888f2/a625195512dc40c390a34ca1d177139e/FLAG913f1fbc0 [2021-08-31 05:22:29,265 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 05:22:29,265 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memset3.c [2021-08-31 05:22:29,270 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/673a888f2/a625195512dc40c390a34ca1d177139e/FLAG913f1fbc0 [2021-08-31 05:22:29,688 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/673a888f2/a625195512dc40c390a34ca1d177139e [2021-08-31 05:22:29,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 05:22:29,691 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 05:22:29,694 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 05:22:29,694 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 05:22:29,697 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 05:22:29,698 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 05:22:29" (1/1) ... [2021-08-31 05:22:29,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c4770d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:22:29, skipping insertion in model container [2021-08-31 05:22:29,699 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 05:22:29" (1/1) ... [2021-08-31 05:22:29,707 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 05:22:29,727 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 05:22:29,834 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 05:22:29,841 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 05:22:29,854 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 05:22:29,864 INFO L208 MainTranslator]: Completed translation [2021-08-31 05:22:29,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:22:29 WrapperNode [2021-08-31 05:22:29,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 05:22:29,866 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 05:22:29,866 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 05:22:29,866 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 05:22:29,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:22:29" (1/1) ... [2021-08-31 05:22:29,879 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:22:29" (1/1) ... [2021-08-31 05:22:29,896 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 05:22:29,896 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 05:22:29,897 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 05:22:29,897 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 05:22:29,903 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:22:29" (1/1) ... [2021-08-31 05:22:29,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:22:29" (1/1) ... [2021-08-31 05:22:29,904 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:22:29" (1/1) ... [2021-08-31 05:22:29,904 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:22:29" (1/1) ... [2021-08-31 05:22:29,906 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:22:29" (1/1) ... [2021-08-31 05:22:29,908 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:22:29" (1/1) ... [2021-08-31 05:22:29,909 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:22:29" (1/1) ... [2021-08-31 05:22:29,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 05:22:29,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 05:22:29,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 05:22:29,911 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 05:22:29,925 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:22:29" (1/1) ... [2021-08-31 05:22:29,940 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:22:29,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:22:29,964 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:22:29,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-08-31 05:22:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-08-31 05:22:30,005 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-08-31 05:22:30,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 05:22:30,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 05:22:30,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 05:22:30,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-31 05:22:30,076 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-31 05:22:30,135 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 05:22:30,135 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-08-31 05:22:30,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 05:22:30 BoogieIcfgContainer [2021-08-31 05:22:30,137 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 05:22:30,138 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 05:22:30,138 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 05:22:30,141 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 05:22:30,142 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 05:22:30,142 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 05:22:29" (1/3) ... [2021-08-31 05:22:30,143 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@373e6fc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 05:22:30, skipping insertion in model container [2021-08-31 05:22:30,143 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 05:22:30,144 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:22:29" (2/3) ... [2021-08-31 05:22:30,144 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@373e6fc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 05:22:30, skipping insertion in model container [2021-08-31 05:22:30,144 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 05:22:30,144 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 05:22:30" (3/3) ... [2021-08-31 05:22:30,146 INFO L389 chiAutomizerObserver]: Analyzing ICFG memset3.c [2021-08-31 05:22:30,188 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 05:22:30,189 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 05:22:30,189 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 05:22:30,189 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 05:22:30,189 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 05:22:30,189 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 05:22:30,189 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 05:22:30,189 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 05:22:30,203 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-08-31 05:22:30,225 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-08-31 05:22:30,226 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:22:30,226 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:22:30,231 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-08-31 05:22:30,231 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-08-31 05:22:30,231 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 05:22:30,231 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-08-31 05:22:30,233 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-08-31 05:22:30,233 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:22:30,233 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:22:30,234 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-08-31 05:22:30,234 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-08-31 05:22:30,242 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 12#L-1true havoc main_#res;havoc main_#t~memset~res3.base, main_#t~memset~res3.offset, main_~#cstats~0.base, main_~#cstats~0.offset, main_~point~0.base, main_~point~0.offset;call main_~#cstats~0.base, main_~#cstats~0.offset := #Ultimate.allocOnStack(80);havoc main_~point~0.base, main_~point~0.offset;main_~point~0.base, main_~point~0.offset := main_~#cstats~0.base, main_~#cstats~0.offset; 9#L29true call main_#t~memset~res3.base, main_#t~memset~res3.offset := #Ultimate.C_memset(main_~point~0.base, main_~point~0.offset, 0, 80);< 8##Ultimate.C_memsetENTRYtrue assume 1 == #valid[#ptr.base];assume #amount + #ptr.offset <= #length[#ptr.base] && 0 <= #ptr.offset; 7#$Ultimate##0true #t~loopctr5 := 0; 4#L-1-1true [2021-08-31 05:22:30,261 INFO L793 eck$LassoCheckResult]: Loop: 4#L-1-1true assume #t~loopctr5 < #amount;#t~loopctr5 := 1 + #t~loopctr5; 4#L-1-1true [2021-08-31 05:22:30,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:22:30,283 INFO L82 PathProgramCache]: Analyzing trace with hash 37284879, now seen corresponding path program 1 times [2021-08-31 05:22:30,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:22:30,289 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345977177] [2021-08-31 05:22:30,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:22:30,291 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:22:30,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:22:30,361 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:22:30,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:22:30,386 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:22:30,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:22:30,389 INFO L82 PathProgramCache]: Analyzing trace with hash 36, now seen corresponding path program 1 times [2021-08-31 05:22:30,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:22:30,389 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453207374] [2021-08-31 05:22:30,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:22:30,390 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:22:30,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:22:30,394 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:22:30,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:22:30,397 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:22:30,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:22:30,398 INFO L82 PathProgramCache]: Analyzing trace with hash 1155831254, now seen corresponding path program 1 times [2021-08-31 05:22:30,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:22:30,399 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125148879] [2021-08-31 05:22:30,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:22:30,399 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:22:30,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:22:30,410 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:22:30,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:22:30,423 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:22:30,518 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 05:22:30,518 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 05:22:30,519 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 05:22:30,519 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 05:22:30,519 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-31 05:22:30,519 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:22:30,519 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 05:22:30,519 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 05:22:30,519 INFO L133 ssoRankerPreferences]: Filename of dumped script: memset3.c_Iteration1_Loop [2021-08-31 05:22:30,520 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 05:22:30,520 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 05:22:30,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:22:30,599 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 05:22:30,600 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-31 05:22:30,601 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:22:30,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:22:30,603 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:22:30,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-08-31 05:22:30,605 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 05:22:30,606 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 05:22:30,637 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-08-31 05:22:30,637 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:22:30,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:22:30,639 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:22:30,640 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-08-31 05:22:30,641 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-31 05:22:30,641 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 05:22:30,766 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-31 05:22:30,769 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-08-31 05:22:30,769 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 05:22:30,769 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 05:22:30,770 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 05:22:30,770 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 05:22:30,770 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 05:22:30,770 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:22:30,770 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 05:22:30,770 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 05:22:30,770 INFO L133 ssoRankerPreferences]: Filename of dumped script: memset3.c_Iteration1_Loop [2021-08-31 05:22:30,770 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 05:22:30,770 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 05:22:30,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:22:30,804 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 05:22:30,807 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 05:22:30,808 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:22:30,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:22:30,817 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:22:30,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-08-31 05:22:30,819 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 05:22:30,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:22:30,827 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:22:30,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:22:30,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:22:30,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:22:30,830 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:22:30,830 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:22:30,840 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 05:22:30,846 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-08-31 05:22:30,847 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-08-31 05:22:30,848 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:22:30,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:22:30,851 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:22:30,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-08-31 05:22:30,862 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 05:22:30,863 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-31 05:22:30,864 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 05:22:30,864 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(#Ultimate.C_memset_#t~loopctr5, #Ultimate.C_memset_#amount) = -1*#Ultimate.C_memset_#t~loopctr5 + 1*#Ultimate.C_memset_#amount Supporting invariants [] [2021-08-31 05:22:30,880 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-08-31 05:22:30,882 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-31 05:22:30,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:22:30,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:22:30,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-31 05:22:30,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:22:30,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:22:30,994 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-31 05:22:30,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:22:30,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 05:22:31,046 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-08-31 05:22:31,047 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 05:22:31,084 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1). Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 15 states and 17 transitions. Complement of second has 6 states. [2021-08-31 05:22:31,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-08-31 05:22:31,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 05:22:31,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2021-08-31 05:22:31,091 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 1 letters. [2021-08-31 05:22:31,092 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:22:31,092 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 6 letters. Loop has 1 letters. [2021-08-31 05:22:31,092 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:22:31,092 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 2 letters. [2021-08-31 05:22:31,092 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:22:31,093 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 17 transitions. [2021-08-31 05:22:31,094 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 05:22:31,096 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2021-08-31 05:22:31,097 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-31 05:22:31,097 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-31 05:22:31,097 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-31 05:22:31,097 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 05:22:31,097 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 05:22:31,097 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 05:22:31,098 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 05:22:31,098 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 05:22:31,098 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-31 05:22:31,098 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 05:22:31,098 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-31 05:22:31,100 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoopBenchmark.prettyprintBenchmarkData(BuchiCegarLoopBenchmark.java:178) at de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData.toString(StatisticsData.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerTimingBenchmark.toString(BuchiAutomizerTimingBenchmark.java:44) at de.uni_freiburg.informatik.ultimate.core.lib.results.StatisticsResult.getLongDescription(StatisticsResult.java:58) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.reportResult(BuchiAutomizerObserver.java:375) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:161) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:398) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-08-31 05:22:31,103 INFO L158 Benchmark]: Toolchain (without parser) took 1410.85ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 25.8MB in the beginning and 32.4MB in the end (delta: -6.6MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2021-08-31 05:22:31,103 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 50.3MB. Free memory was 32.0MB in the beginning and 32.0MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 05:22:31,104 INFO L158 Benchmark]: CACSL2BoogieTranslator took 171.35ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 25.6MB in the beginning and 38.4MB in the end (delta: -12.8MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2021-08-31 05:22:31,105 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.86ms. Allocated memory is still 60.8MB. Free memory was 38.4MB in the beginning and 45.5MB in the end (delta: -7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-08-31 05:22:31,105 INFO L158 Benchmark]: Boogie Preprocessor took 13.94ms. Allocated memory is still 60.8MB. Free memory was 45.5MB in the beginning and 44.5MB in the end (delta: 947.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 05:22:31,106 INFO L158 Benchmark]: RCFGBuilder took 226.32ms. Allocated memory is still 60.8MB. Free memory was 44.5MB in the beginning and 36.8MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-08-31 05:22:31,106 INFO L158 Benchmark]: BuchiAutomizer took 963.35ms. Allocated memory is still 60.8MB. Free memory was 36.7MB in the beginning and 32.4MB in the end (delta: 4.3MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2021-08-31 05:22:31,109 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 50.3MB. Free memory was 32.0MB in the beginning and 32.0MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 171.35ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 25.6MB in the beginning and 38.4MB in the end (delta: -12.8MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.86ms. Allocated memory is still 60.8MB. Free memory was 38.4MB in the beginning and 45.5MB in the end (delta: -7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 13.94ms. Allocated memory is still 60.8MB. Free memory was 45.5MB in the beginning and 44.5MB in the end (delta: 947.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 226.32ms. Allocated memory is still 60.8MB. Free memory was 44.5MB in the beginning and 36.8MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 963.35ms. Allocated memory is still 60.8MB. Free memory was 36.7MB in the beginning and 32.4MB in the end (delta: 4.3MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * aux-#t~loopctr5-aux + unknown-#amount-unknown and consists of 3 locations. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6): de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoopBenchmark.prettyprintBenchmarkData(BuchiCegarLoopBenchmark.java:178) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-08-31 05:22:31,157 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-08-31 05:22:31,366 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...