./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-2.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/seq-mthreaded/rekcba_ctm.2-2.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 a05e056c28c3e2621bc12b1f9f74f0cd927ac60a ................................................................................................................................................................................................................................... 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 05:15:19,973 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 05:15:19,975 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 05:15:20,009 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 05:15:20,009 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 05:15:20,010 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 05:15:20,012 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 05:15:20,013 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 05:15:20,015 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 05:15:20,016 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 05:15:20,016 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 05:15:20,017 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 05:15:20,017 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 05:15:20,018 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 05:15:20,019 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 05:15:20,020 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 05:15:20,021 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 05:15:20,022 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 05:15:20,023 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 05:15:20,025 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 05:15:20,026 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 05:15:20,027 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 05:15:20,028 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 05:15:20,029 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 05:15:20,031 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 05:15:20,032 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 05:15:20,032 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 05:15:20,033 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 05:15:20,033 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 05:15:20,034 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 05:15:20,034 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 05:15:20,035 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 05:15:20,036 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 05:15:20,036 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 05:15:20,037 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 05:15:20,038 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 05:15:20,038 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 05:15:20,038 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 05:15:20,039 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 05:15:20,039 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 05:15:20,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 05:15:20,041 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 05:15:20,069 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 05:15:20,070 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 05:15:20,071 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 05:15:20,071 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 05:15:20,073 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 05:15:20,073 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 05:15:20,073 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 05:15:20,073 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 05:15:20,073 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 05:15:20,074 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 05:15:20,074 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 05:15:20,074 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 05:15:20,075 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 05:15:20,075 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 05:15:20,075 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 05:15:20,075 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 05:15:20,075 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 05:15:20,075 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 05:15:20,075 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 05:15:20,075 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 05:15:20,076 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 05:15:20,076 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 05:15:20,076 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 05:15:20,076 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 05:15:20,076 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 05:15:20,076 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 05:15:20,076 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 05:15:20,077 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 05:15:20,077 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 05:15:20,077 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 05:15:20,077 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 05:15:20,077 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 05:15:20,078 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 05:15:20,079 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a05e056c28c3e2621bc12b1f9f74f0cd927ac60a [2021-08-31 05:15:20,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 05:15:20,439 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 05:15:20,441 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 05:15:20,442 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 05:15:20,443 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 05:15:20,445 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-2.c [2021-08-31 05:15:20,520 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/761424752/0fc2089149864ca48ba55ed1595b3003/FLAG06e895acd [2021-08-31 05:15:21,286 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 05:15:21,287 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-2.c [2021-08-31 05:15:21,336 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/761424752/0fc2089149864ca48ba55ed1595b3003/FLAG06e895acd [2021-08-31 05:15:21,519 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/761424752/0fc2089149864ca48ba55ed1595b3003 [2021-08-31 05:15:21,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 05:15:21,524 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 05:15:21,526 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 05:15:21,527 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 05:15:21,530 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 05:15:21,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 05:15:21" (1/1) ... [2021-08-31 05:15:21,531 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1adc36cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:15:21, skipping insertion in model container [2021-08-31 05:15:21,531 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 05:15:21" (1/1) ... [2021-08-31 05:15:21,538 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 05:15:21,659 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 05:15:21,923 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-2.c[2215,2228] [2021-08-31 05:15:22,770 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 05:15:22,801 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 05:15:22,814 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-2.c[2215,2228] [2021-08-31 05:15:23,283 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 05:15:23,323 INFO L208 MainTranslator]: Completed translation [2021-08-31 05:15:23,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:15:23 WrapperNode [2021-08-31 05:15:23,324 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 05:15:23,326 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 05:15:23,326 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 05:15:23,326 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 05:15:23,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:15:23" (1/1) ... [2021-08-31 05:15:23,478 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:15:23" (1/1) ... [2021-08-31 05:15:31,896 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 05:15:31,897 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 05:15:31,897 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 05:15:31,897 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 05:15:31,906 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:15:23" (1/1) ... [2021-08-31 05:15:31,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:15:23" (1/1) ... [2021-08-31 05:15:33,813 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:15:23" (1/1) ... [2021-08-31 05:15:33,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:15:23" (1/1) ... [2021-08-31 05:15:36,982 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:15:23" (1/1) ... [2021-08-31 05:15:38,918 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:15:23" (1/1) ... [2021-08-31 05:15:39,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:15:23" (1/1) ... [2021-08-31 05:15:41,902 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 05:15:41,914 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 05:15:41,914 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 05:15:41,915 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 05:15:41,917 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:15:23" (1/1) ... [2021-08-31 05:15:41,922 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:15:41,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:15:41,962 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 05:15:41,965 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 05:15:41,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-31 05:15:41,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-31 05:15:41,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 05:15:41,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-31 05:15:41,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 05:15:41,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 05:18:15,040 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 05:18:15,041 INFO L299 CfgBuilder]: Removed 16136 assume(true) statements. [2021-08-31 05:18:15,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 05:18:15 BoogieIcfgContainer [2021-08-31 05:18:15,145 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 05:18:15,146 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 05:18:15,146 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 05:18:15,148 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 05:18:15,149 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 05:18:15,149 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 05:15:21" (1/3) ... [2021-08-31 05:18:15,150 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@65f32cd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 05:18:15, skipping insertion in model container [2021-08-31 05:18:15,150 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 05:18:15,150 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:15:23" (2/3) ... [2021-08-31 05:18:15,151 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@65f32cd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 05:18:15, skipping insertion in model container [2021-08-31 05:18:15,151 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 05:18:15,151 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 05:18:15" (3/3) ... [2021-08-31 05:18:15,152 INFO L389 chiAutomizerObserver]: Analyzing ICFG rekcba_ctm.2-2.c [2021-08-31 05:18:15,188 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 05:18:15,188 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 05:18:15,188 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 05:18:15,188 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 05:18:15,189 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 05:18:15,189 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 05:18:15,189 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 05:18:15,189 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 05:18:18,705 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 161097 states, 161096 states have (on average 1.6913827779708994) internal successors, (272475), 161096 states have internal predecessors, (272475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 05:18:21,184 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 05:18:21,185 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-31 05:18:21,187 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 05:18:21,190 INFO L158 Benchmark]: Toolchain (without parser) took 179665.12ms. Allocated memory was 62.9MB in the beginning and 14.4GB in the end (delta: 14.3GB). Free memory was 32.6MB in the beginning and 10.4GB in the end (delta: -10.4GB). Peak memory consumption was 4.3GB. Max. memory is 16.1GB. [2021-08-31 05:18:21,190 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 62.9MB. Free memory is still 45.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 05:18:21,191 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1798.46ms. Allocated memory was 62.9MB in the beginning and 140.5MB in the end (delta: 77.6MB). Free memory was 32.4MB in the beginning and 65.3MB in the end (delta: -32.9MB). Peak memory consumption was 63.7MB. Max. memory is 16.1GB. [2021-08-31 05:18:21,192 INFO L158 Benchmark]: Boogie Procedure Inliner took 8570.68ms. Allocated memory was 140.5MB in the beginning and 8.1GB in the end (delta: 7.9GB). Free memory was 65.3MB in the beginning and 7.1GB in the end (delta: -7.0GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2021-08-31 05:18:21,192 INFO L158 Benchmark]: Boogie Preprocessor took 10005.16ms. Allocated memory was 8.1GB in the beginning and 11.3GB in the end (delta: 3.2GB). Free memory was 7.1GB in the beginning and 9.4GB in the end (delta: -2.3GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2021-08-31 05:18:21,193 INFO L158 Benchmark]: RCFGBuilder took 153230.69ms. Allocated memory was 11.3GB in the beginning and 13.8GB in the end (delta: 2.5GB). Free memory was 9.4GB in the beginning and 10.2GB in the end (delta: -762.3MB). Peak memory consumption was 3.0GB. Max. memory is 16.1GB. [2021-08-31 05:18:21,194 INFO L158 Benchmark]: BuchiAutomizer took 6042.05ms. Allocated memory was 13.8GB in the beginning and 14.4GB in the end (delta: 608.2MB). Free memory was 10.2GB in the beginning and 10.4GB in the end (delta: -264.2MB). Peak memory consumption was 718.3MB. Max. memory is 16.1GB. [2021-08-31 05:18:21,197 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 62.9MB. Free memory is still 45.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1798.46ms. Allocated memory was 62.9MB in the beginning and 140.5MB in the end (delta: 77.6MB). Free memory was 32.4MB in the beginning and 65.3MB in the end (delta: -32.9MB). Peak memory consumption was 63.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 8570.68ms. Allocated memory was 140.5MB in the beginning and 8.1GB in the end (delta: 7.9GB). Free memory was 65.3MB in the beginning and 7.1GB in the end (delta: -7.0GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * Boogie Preprocessor took 10005.16ms. Allocated memory was 8.1GB in the beginning and 11.3GB in the end (delta: 3.2GB). Free memory was 7.1GB in the beginning and 9.4GB in the end (delta: -2.3GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * RCFGBuilder took 153230.69ms. Allocated memory was 11.3GB in the beginning and 13.8GB in the end (delta: 2.5GB). Free memory was 9.4GB in the beginning and 10.2GB in the end (delta: -762.3MB). Peak memory consumption was 3.0GB. Max. memory is 16.1GB. * BuchiAutomizer took 6042.05ms. Allocated memory was 13.8GB in the beginning and 14.4GB in the end (delta: 608.2MB). Free memory was 10.2GB in the beginning and 10.4GB in the end (delta: -264.2MB). Peak memory consumption was 718.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition. There is no loop in your program. * 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 05:18:21,238 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...