./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b345031-caaf-4e34-8112-536317ed7f14/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b345031-caaf-4e34-8112-536317ed7f14/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b345031-caaf-4e34-8112-536317ed7f14/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b345031-caaf-4e34-8112-536317ed7f14/bin/utaipan-vmNK8stdcF/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b345031-caaf-4e34-8112-536317ed7f14/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b345031-caaf-4e34-8112-536317ed7f14/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 21e4e6d7df1d1f86437c59b494dbca543e1308168d97422d602c6d34b2cdcda4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 02:32:19,229 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 02:32:19,232 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 02:32:19,294 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 02:32:19,295 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 02:32:19,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 02:32:19,301 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 02:32:19,305 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 02:32:19,308 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 02:32:19,313 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 02:32:19,314 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 02:32:19,316 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 02:32:19,317 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 02:32:19,319 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 02:32:19,321 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 02:32:19,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 02:32:19,331 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 02:32:19,332 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 02:32:19,335 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 02:32:19,343 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 02:32:19,345 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 02:32:19,346 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 02:32:19,350 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 02:32:19,351 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 02:32:19,360 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 02:32:19,360 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 02:32:19,361 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 02:32:19,363 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 02:32:19,364 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 02:32:19,365 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 02:32:19,365 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 02:32:19,366 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 02:32:19,369 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 02:32:19,370 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 02:32:19,372 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 02:32:19,372 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 02:32:19,373 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 02:32:19,373 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 02:32:19,373 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 02:32:19,374 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 02:32:19,375 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 02:32:19,376 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b345031-caaf-4e34-8112-536317ed7f14/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-11-13 02:32:19,421 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 02:32:19,421 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 02:32:19,423 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 02:32:19,423 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 02:32:19,423 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 02:32:19,424 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 02:32:19,424 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 02:32:19,424 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-13 02:32:19,424 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 02:32:19,424 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 02:32:19,426 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-13 02:32:19,426 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-13 02:32:19,426 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 02:32:19,426 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-13 02:32:19,427 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-13 02:32:19,427 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-13 02:32:19,427 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 02:32:19,428 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 02:32:19,428 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 02:32:19,428 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 02:32:19,428 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 02:32:19,428 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 02:32:19,429 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 02:32:19,429 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 02:32:19,429 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-13 02:32:19,429 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-13 02:32:19,429 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-13 02:32:19,430 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 02:32:19,430 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 02:32:19,430 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 02:32:19,430 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 02:32:19,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 02:32:19,431 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 02:32:19,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:32:19,431 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 02:32:19,431 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 02:32:19,432 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-13 02:32:19,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 02:32:19,432 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 02:32:19,432 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 02:32:19,432 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b345031-caaf-4e34-8112-536317ed7f14/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b345031-caaf-4e34-8112-536317ed7f14/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 21e4e6d7df1d1f86437c59b494dbca543e1308168d97422d602c6d34b2cdcda4 [2021-11-13 02:32:19,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 02:32:19,759 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 02:32:19,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 02:32:19,764 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 02:32:19,765 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 02:32:19,766 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b345031-caaf-4e34-8112-536317ed7f14/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-1-1.i [2021-11-13 02:32:19,846 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b345031-caaf-4e34-8112-536317ed7f14/bin/utaipan-vmNK8stdcF/data/4c3086b8e/ea0a91ab839f4487ac7d435a67bd7e4f/FLAGf1124dcf9 [2021-11-13 02:32:20,393 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 02:32:20,393 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b345031-caaf-4e34-8112-536317ed7f14/sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-1-1.i [2021-11-13 02:32:20,399 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b345031-caaf-4e34-8112-536317ed7f14/bin/utaipan-vmNK8stdcF/data/4c3086b8e/ea0a91ab839f4487ac7d435a67bd7e4f/FLAGf1124dcf9 [2021-11-13 02:32:20,771 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b345031-caaf-4e34-8112-536317ed7f14/bin/utaipan-vmNK8stdcF/data/4c3086b8e/ea0a91ab839f4487ac7d435a67bd7e4f [2021-11-13 02:32:20,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 02:32:20,777 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 02:32:20,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 02:32:20,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 02:32:20,788 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 02:32:20,789 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:32:20" (1/1) ... [2021-11-13 02:32:20,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3252e430 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:20, skipping insertion in model container [2021-11-13 02:32:20,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:32:20" (1/1) ... [2021-11-13 02:32:20,812 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 02:32:20,828 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:32:21,052 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: Bitfield reference at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.StructHandler.handleFieldReference(StructHandler.java:140) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1417) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1381) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1068) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1452) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3254) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2328) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:594) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) 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) [2021-11-13 02:32:21,057 INFO L158 Benchmark]: Toolchain (without parser) took 278.75ms. Allocated memory is still 88.1MB. Free memory was 47.4MB in the beginning and 64.9MB in the end (delta: -17.5MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2021-11-13 02:32:21,058 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 88.1MB. Free memory is still 63.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 02:32:21,059 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.78ms. Allocated memory is still 88.1MB. Free memory was 47.1MB in the beginning and 64.9MB in the end (delta: -17.8MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2021-11-13 02:32:21,062 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 88.1MB. Free memory is still 63.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 270.78ms. Allocated memory is still 88.1MB. Free memory was 47.1MB in the beginning and 64.9MB in the end (delta: -17.8MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: Bitfield reference de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: Bitfield reference: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.StructHandler.handleFieldReference(StructHandler.java:140) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b345031-caaf-4e34-8112-536317ed7f14/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b345031-caaf-4e34-8112-536317ed7f14/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b345031-caaf-4e34-8112-536317ed7f14/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b345031-caaf-4e34-8112-536317ed7f14/bin/utaipan-vmNK8stdcF/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b345031-caaf-4e34-8112-536317ed7f14/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b345031-caaf-4e34-8112-536317ed7f14/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 21e4e6d7df1d1f86437c59b494dbca543e1308168d97422d602c6d34b2cdcda4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 02:32:23,332 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 02:32:23,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 02:32:23,366 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 02:32:23,367 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 02:32:23,368 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 02:32:23,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 02:32:23,373 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 02:32:23,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 02:32:23,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 02:32:23,377 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 02:32:23,379 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 02:32:23,379 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 02:32:23,380 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 02:32:23,382 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 02:32:23,383 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 02:32:23,389 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 02:32:23,391 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 02:32:23,398 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 02:32:23,406 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 02:32:23,408 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 02:32:23,409 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 02:32:23,413 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 02:32:23,415 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 02:32:23,418 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 02:32:23,419 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 02:32:23,419 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 02:32:23,427 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 02:32:23,427 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 02:32:23,429 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 02:32:23,430 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 02:32:23,431 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 02:32:23,433 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 02:32:23,434 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 02:32:23,435 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 02:32:23,436 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 02:32:23,437 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 02:32:23,437 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 02:32:23,437 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 02:32:23,439 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 02:32:23,440 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 02:32:23,441 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b345031-caaf-4e34-8112-536317ed7f14/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-11-13 02:32:23,486 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 02:32:23,486 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 02:32:23,488 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 02:32:23,488 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 02:32:23,489 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 02:32:23,489 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 02:32:23,489 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 02:32:23,489 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 02:32:23,490 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 02:32:23,490 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 02:32:23,493 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 02:32:23,493 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 02:32:23,494 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 02:32:23,494 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 02:32:23,494 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 02:32:23,494 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 02:32:23,494 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 02:32:23,495 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 02:32:23,495 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-13 02:32:23,495 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-13 02:32:23,495 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-13 02:32:23,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 02:32:23,496 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 02:32:23,496 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 02:32:23,496 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 02:32:23,496 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 02:32:23,497 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 02:32:23,497 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 02:32:23,497 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 02:32:23,497 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 02:32:23,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:32:23,498 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 02:32:23,498 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 02:32:23,499 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-13 02:32:23,499 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 02:32:23,499 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 02:32:23,499 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 02:32:23,500 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b345031-caaf-4e34-8112-536317ed7f14/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b345031-caaf-4e34-8112-536317ed7f14/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 21e4e6d7df1d1f86437c59b494dbca543e1308168d97422d602c6d34b2cdcda4 [2021-11-13 02:32:23,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 02:32:23,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 02:32:23,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 02:32:23,972 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 02:32:23,973 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 02:32:23,975 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b345031-caaf-4e34-8112-536317ed7f14/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-1-1.i [2021-11-13 02:32:24,043 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b345031-caaf-4e34-8112-536317ed7f14/bin/utaipan-vmNK8stdcF/data/92cd502e8/cfea5ce87dc5420e8fec95a9a9ac24d6/FLAG5a6377f29 [2021-11-13 02:32:24,551 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 02:32:24,552 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b345031-caaf-4e34-8112-536317ed7f14/sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-1-1.i [2021-11-13 02:32:24,558 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b345031-caaf-4e34-8112-536317ed7f14/bin/utaipan-vmNK8stdcF/data/92cd502e8/cfea5ce87dc5420e8fec95a9a9ac24d6/FLAG5a6377f29 [2021-11-13 02:32:24,903 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b345031-caaf-4e34-8112-536317ed7f14/bin/utaipan-vmNK8stdcF/data/92cd502e8/cfea5ce87dc5420e8fec95a9a9ac24d6 [2021-11-13 02:32:24,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 02:32:24,908 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 02:32:24,912 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 02:32:24,913 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 02:32:24,917 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 02:32:24,918 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:32:24" (1/1) ... [2021-11-13 02:32:24,921 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8b654ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:32:24, skipping insertion in model container [2021-11-13 02:32:24,921 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:32:24" (1/1) ... [2021-11-13 02:32:24,929 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 02:32:24,945 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:32:25,136 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: Bitfield reference at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.StructHandler.handleFieldReference(StructHandler.java:140) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1417) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1381) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1068) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1452) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3254) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2328) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:594) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) 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) [2021-11-13 02:32:25,144 INFO L158 Benchmark]: Toolchain (without parser) took 233.55ms. Allocated memory is still 67.1MB. Free memory was 46.0MB in the beginning and 38.5MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 02:32:25,145 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 67.1MB. Free memory is still 47.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 02:32:25,147 INFO L158 Benchmark]: CACSL2BoogieTranslator took 228.62ms. Allocated memory is still 67.1MB. Free memory was 45.7MB in the beginning and 38.5MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 02:32:25,151 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 67.1MB. Free memory is still 47.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 228.62ms. Allocated memory is still 67.1MB. Free memory was 45.7MB in the beginning and 38.5MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: Bitfield reference de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: Bitfield reference: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.StructHandler.handleFieldReference(StructHandler.java:140) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Bitfield reference