./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted/WhileTrue.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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/termination-crafted/WhileTrue.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-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 64bit --witnessprinter.graph.data.programhash b58543c5c6c478461bb3678f5712726562def78f 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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*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_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 01:16:10,250 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 01:16:10,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 01:16:10,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 01:16:10,268 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 01:16:10,269 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 01:16:10,270 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 01:16:10,271 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 01:16:10,272 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 01:16:10,289 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 01:16:10,289 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 01:16:10,290 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 01:16:10,290 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 01:16:10,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 01:16:10,292 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 01:16:10,292 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 01:16:10,293 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 01:16:10,293 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 01:16:10,294 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 01:16:10,295 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 01:16:10,296 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 01:16:10,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 01:16:10,298 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 01:16:10,299 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 01:16:10,301 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 01:16:10,301 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 01:16:10,301 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 01:16:10,302 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 01:16:10,302 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 01:16:10,303 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 01:16:10,303 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 01:16:10,303 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 01:16:10,304 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 01:16:10,305 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 01:16:10,305 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 01:16:10,306 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 01:16:10,306 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 01:16:10,306 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 01:16:10,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 01:16:10,307 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 01:16:10,308 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 01:16:10,308 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-08-31 01:16:10,323 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 01:16:10,323 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 01:16:10,323 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 01:16:10,323 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 01:16:10,324 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 01:16:10,324 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 01:16:10,324 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 01:16:10,324 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 01:16:10,325 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 01:16:10,325 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 01:16:10,325 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 01:16:10,325 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 01:16:10,325 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 01:16:10,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 01:16:10,326 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 01:16:10,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 01:16:10,326 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 01:16:10,326 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 01:16:10,326 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 01:16:10,333 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 01:16:10,333 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 01:16:10,333 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 01:16:10,333 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 01:16:10,333 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 01:16:10,334 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 01:16:10,334 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 01:16:10,334 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 01:16:10,334 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 01:16:10,334 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 01:16:10,335 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 01:16:10,335 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b58543c5c6c478461bb3678f5712726562def78f [2021-08-31 01:16:10,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 01:16:10,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 01:16:10,591 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 01:16:10,592 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 01:16:10,592 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 01:16:10,593 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/WhileTrue.c [2021-08-31 01:16:10,630 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4aef88f6/6480a7d9d7da4055871df66edbac585d/FLAGdb33a62cd [2021-08-31 01:16:10,937 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 01:16:10,937 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/WhileTrue.c [2021-08-31 01:16:10,941 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4aef88f6/6480a7d9d7da4055871df66edbac585d/FLAGdb33a62cd [2021-08-31 01:16:11,397 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4aef88f6/6480a7d9d7da4055871df66edbac585d [2021-08-31 01:16:11,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 01:16:11,400 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 01:16:11,402 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 01:16:11,402 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 01:16:11,413 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 01:16:11,413 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 01:16:11" (1/1) ... [2021-08-31 01:16:11,414 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e8fa725 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:16:11, skipping insertion in model container [2021-08-31 01:16:11,414 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 01:16:11" (1/1) ... [2021-08-31 01:16:11,418 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 01:16:11,424 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 01:16:11,513 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 01:16:11,525 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 01:16:11,532 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 01:16:11,540 INFO L208 MainTranslator]: Completed translation [2021-08-31 01:16:11,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:16:11 WrapperNode [2021-08-31 01:16:11,541 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 01:16:11,541 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 01:16:11,541 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 01:16:11,542 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 01:16:11,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:16:11" (1/1) ... [2021-08-31 01:16:11,551 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:16:11" (1/1) ... [2021-08-31 01:16:11,592 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 01:16:11,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 01:16:11,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 01:16:11,594 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 01:16:11,598 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:16:11" (1/1) ... [2021-08-31 01:16:11,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:16:11" (1/1) ... [2021-08-31 01:16:11,598 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:16:11" (1/1) ... [2021-08-31 01:16:11,598 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:16:11" (1/1) ... [2021-08-31 01:16:11,599 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:16:11" (1/1) ... [2021-08-31 01:16:11,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:16:11" (1/1) ... [2021-08-31 01:16:11,601 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:16:11" (1/1) ... [2021-08-31 01:16:11,602 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 01:16:11,602 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 01:16:11,603 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 01:16:11,604 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 01:16:11,604 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:16:11" (1/1) ... [2021-08-31 01:16:11,608 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:16:11,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:16:11,621 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 01:16:11,640 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 01:16:11,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 01:16:11,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 01:16:11,701 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 01:16:11,701 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-08-31 01:16:11,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 01:16:11 BoogieIcfgContainer [2021-08-31 01:16:11,703 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 01:16:11,705 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 01:16:11,705 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 01:16:11,707 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 01:16:11,707 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 01:16:11,708 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 01:16:11" (1/3) ... [2021-08-31 01:16:11,708 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2ca6811a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 01:16:11, skipping insertion in model container [2021-08-31 01:16:11,708 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 01:16:11,709 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:16:11" (2/3) ... [2021-08-31 01:16:11,709 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2ca6811a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 01:16:11, skipping insertion in model container [2021-08-31 01:16:11,709 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 01:16:11,709 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 01:16:11" (3/3) ... [2021-08-31 01:16:11,710 INFO L389 chiAutomizerObserver]: Analyzing ICFG WhileTrue.c [2021-08-31 01:16:11,735 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 01:16:11,736 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 01:16:11,736 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 01:16:11,736 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 01:16:11,736 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 01:16:11,736 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 01:16:11,736 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 01:16:11,736 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 01:16:11,743 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 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 01:16:11,752 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-08-31 01:16:11,752 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:16:11,753 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:16:11,755 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-08-31 01:16:11,755 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-08-31 01:16:11,756 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 01:16:11,756 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 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 01:16:11,756 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-08-31 01:16:11,756 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:16:11,756 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:16:11,757 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-08-31 01:16:11,757 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-08-31 01:16:11,760 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res; 6#L13-2true [2021-08-31 01:16:11,760 INFO L793 eck$LassoCheckResult]: Loop: 6#L13-2true assume !!(0 != ~unnamed0~0~true); 6#L13-2true [2021-08-31 01:16:11,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:16:11,763 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2021-08-31 01:16:11,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:16:11,769 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363755836] [2021-08-31 01:16:11,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:16:11,769 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:16:11,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:16:11,818 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:16:11,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:16:11,828 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:16:11,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:16:11,830 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2021-08-31 01:16:11,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:16:11,830 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006383189] [2021-08-31 01:16:11,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:16:11,831 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:16:11,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:16:11,834 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:16:11,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:16:11,835 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:16:11,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:16:11,836 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2021-08-31 01:16:11,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:16:11,836 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832659415] [2021-08-31 01:16:11,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:16:11,837 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:16:11,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:16:11,839 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:16:11,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:16:11,842 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:16:11,884 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 01:16:11,887 INFO L158 Benchmark]: Toolchain (without parser) took 485.60ms. Allocated memory was 56.6MB in the beginning and 75.5MB in the end (delta: 18.9MB). Free memory was 36.1MB in the beginning and 52.1MB in the end (delta: -16.0MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. [2021-08-31 01:16:11,887 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 56.6MB. Free memory was 39.1MB in the beginning and 39.0MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 01:16:11,888 INFO L158 Benchmark]: CACSL2BoogieTranslator took 138.95ms. Allocated memory is still 56.6MB. Free memory was 35.9MB in the beginning and 27.7MB in the end (delta: 8.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-08-31 01:16:11,888 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.72ms. Allocated memory is still 56.6MB. Free memory was 27.6MB in the beginning and 41.2MB in the end (delta: -13.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-31 01:16:11,889 INFO L158 Benchmark]: Boogie Preprocessor took 8.63ms. Allocated memory is still 56.6MB. Free memory was 41.2MB in the beginning and 40.4MB in the end (delta: 847.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 01:16:11,889 INFO L158 Benchmark]: RCFGBuilder took 100.61ms. Allocated memory is still 56.6MB. Free memory was 40.2MB in the beginning and 33.7MB in the end (delta: 6.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-08-31 01:16:11,890 INFO L158 Benchmark]: BuchiAutomizer took 180.07ms. Allocated memory was 56.6MB in the beginning and 75.5MB in the end (delta: 18.9MB). Free memory was 33.6MB in the beginning and 52.1MB in the end (delta: -18.5MB). Peak memory consumption was 939.5kB. Max. memory is 16.1GB. [2021-08-31 01:16:11,892 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 56.6MB. Free memory was 39.1MB in the beginning and 39.0MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 138.95ms. Allocated memory is still 56.6MB. Free memory was 35.9MB in the beginning and 27.7MB in the end (delta: 8.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.72ms. Allocated memory is still 56.6MB. Free memory was 27.6MB in the beginning and 41.2MB in the end (delta: -13.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 8.63ms. Allocated memory is still 56.6MB. Free memory was 41.2MB in the beginning and 40.4MB in the end (delta: 847.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 100.61ms. Allocated memory is still 56.6MB. Free memory was 40.2MB in the beginning and 33.7MB in the end (delta: 6.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 180.07ms. Allocated memory was 56.6MB in the beginning and 75.5MB in the end (delta: 18.9MB). Free memory was 33.6MB in the beginning and 52.1MB in the end (delta: -18.5MB). Peak memory consumption was 939.5kB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. * 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 01:16:11,919 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...