./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/list-ext2-properties/list_and_tree_cnstr-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3a877d22 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/list-ext2-properties/list_and_tree_cnstr-1.i -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 2971ec3e9ef2eef1d2151174358645d6ce0c6d4fe66ae89c00ded0f196979d8a --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 17:09:46,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 17:09:46,387 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 17:09:46,424 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 17:09:46,424 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 17:09:46,425 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 17:09:46,426 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 17:09:46,427 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 17:09:46,428 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 17:09:46,429 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 17:09:46,429 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 17:09:46,430 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 17:09:46,430 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 17:09:46,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 17:09:46,432 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 17:09:46,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 17:09:46,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 17:09:46,434 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 17:09:46,435 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 17:09:46,437 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 17:09:46,438 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 17:09:46,439 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 17:09:46,440 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 17:09:46,440 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 17:09:46,442 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 17:09:46,442 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 17:09:46,443 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 17:09:46,443 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 17:09:46,444 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 17:09:46,444 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 17:09:46,444 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 17:09:46,445 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 17:09:46,446 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 17:09:46,446 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 17:09:46,447 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 17:09:46,447 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 17:09:46,448 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 17:09:46,448 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 17:09:46,448 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 17:09:46,449 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 17:09:46,449 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 17:09:46,464 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-15 17:09:46,477 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 17:09:46,479 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 17:09:46,480 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 17:09:46,480 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 17:09:46,481 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 17:09:46,481 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 17:09:46,482 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 17:09:46,482 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-15 17:09:46,482 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-15 17:09:46,482 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-15 17:09:46,483 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-15 17:09:46,483 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-15 17:09:46,483 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-15 17:09:46,484 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 17:09:46,484 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 17:09:46,484 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 17:09:46,484 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 17:09:46,484 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 17:09:46,484 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 17:09:46,484 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-15 17:09:46,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-15 17:09:46,485 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-15 17:09:46,485 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 17:09:46,485 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 17:09:46,485 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-15 17:09:46,485 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 17:09:46,485 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-15 17:09:46,486 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 17:09:46,486 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 17:09:46,486 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 17:09:46,486 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 17:09:46,486 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 17:09:46,487 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-15 17:09:46,487 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2971ec3e9ef2eef1d2151174358645d6ce0c6d4fe66ae89c00ded0f196979d8a [2021-12-15 17:09:46,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 17:09:46,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 17:09:46,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 17:09:46,710 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 17:09:46,710 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 17:09:46,711 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext2-properties/list_and_tree_cnstr-1.i [2021-12-15 17:09:46,780 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6e92a8c5/1e3d0ff3214b493f8b1be157629136d6/FLAGa39eb4959 [2021-12-15 17:09:47,132 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 17:09:47,135 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext2-properties/list_and_tree_cnstr-1.i [2021-12-15 17:09:47,146 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6e92a8c5/1e3d0ff3214b493f8b1be157629136d6/FLAGa39eb4959 [2021-12-15 17:09:47,547 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6e92a8c5/1e3d0ff3214b493f8b1be157629136d6 [2021-12-15 17:09:47,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 17:09:47,551 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 17:09:47,553 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 17:09:47,553 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 17:09:47,558 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 17:09:47,559 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:09:47" (1/1) ... [2021-12-15 17:09:47,560 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18e381db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:09:47, skipping insertion in model container [2021-12-15 17:09:47,561 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:09:47" (1/1) ... [2021-12-15 17:09:47,565 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 17:09:47,589 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 17:09:47,802 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext2-properties/list_and_tree_cnstr-1.i[24291,24304] [2021-12-15 17:09:47,803 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:09:47,813 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 17:09:47,857 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext2-properties/list_and_tree_cnstr-1.i[24291,24304] [2021-12-15 17:09:47,858 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:09:47,877 INFO L208 MainTranslator]: Completed translation [2021-12-15 17:09:47,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:09:47 WrapperNode [2021-12-15 17:09:47,878 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 17:09:47,879 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 17:09:47,879 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 17:09:47,880 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 17:09:47,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:09:47" (1/1) ... [2021-12-15 17:09:47,906 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:09:47" (1/1) ... [2021-12-15 17:09:47,928 INFO L137 Inliner]: procedures = 122, calls = 54, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 198 [2021-12-15 17:09:47,928 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 17:09:47,929 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 17:09:47,929 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 17:09:47,929 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 17:09:47,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:09:47" (1/1) ... [2021-12-15 17:09:47,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:09:47" (1/1) ... [2021-12-15 17:09:47,937 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:09:47" (1/1) ... [2021-12-15 17:09:47,938 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:09:47" (1/1) ... [2021-12-15 17:09:47,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:09:47" (1/1) ... [2021-12-15 17:09:47,952 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:09:47" (1/1) ... [2021-12-15 17:09:47,953 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:09:47" (1/1) ... [2021-12-15 17:09:47,955 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 17:09:47,956 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 17:09:47,956 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 17:09:47,956 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 17:09:47,957 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:09:47" (1/1) ... [2021-12-15 17:09:47,968 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:09:47,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:09:47,985 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) [2021-12-15 17:09:47,992 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 [2021-12-15 17:09:48,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 17:09:48,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 17:09:48,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 17:09:48,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 17:09:48,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 17:09:48,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 17:09:48,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 17:09:48,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 17:09:48,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 17:09:48,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 17:09:48,134 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 17:09:48,135 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 17:09:48,164 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 17:09:48,178 INFO L158 Benchmark]: Toolchain (without parser) took 626.92ms. Allocated memory is still 104.9MB. Free memory was 78.2MB in the beginning and 62.9MB in the end (delta: 15.3MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2021-12-15 17:09:48,179 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory is still 62.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:09:48,180 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.69ms. Allocated memory is still 104.9MB. Free memory was 78.2MB in the beginning and 75.0MB in the end (delta: 3.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 17:09:48,180 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.11ms. Allocated memory is still 104.9MB. Free memory was 75.0MB in the beginning and 72.5MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 17:09:48,180 INFO L158 Benchmark]: Boogie Preprocessor took 26.72ms. Allocated memory is still 104.9MB. Free memory was 72.5MB in the beginning and 70.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:09:48,181 INFO L158 Benchmark]: RCFGBuilder took 221.24ms. Allocated memory is still 104.9MB. Free memory was 70.4MB in the beginning and 62.9MB in the end (delta: 7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 17:09:48,183 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory is still 62.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 325.69ms. Allocated memory is still 104.9MB. Free memory was 78.2MB in the beginning and 75.0MB in the end (delta: 3.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.11ms. Allocated memory is still 104.9MB. Free memory was 75.0MB in the beginning and 72.5MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.72ms. Allocated memory is still 104.9MB. Free memory was 72.5MB in the beginning and 70.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 221.24ms. Allocated memory is still 104.9MB. Free memory was 70.4MB in the beginning and 62.9MB in the end (delta: 7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 17:09:48,211 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... --- End real Ultimate output --- 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: UnsupportedOperationException: Set is immutable