./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-3.1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a122f-cc62-4942-b7b0-113ae4b892fb/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a122f-cc62-4942-b7b0-113ae4b892fb/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a122f-cc62-4942-b7b0-113ae4b892fb/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a122f-cc62-4942-b7b0-113ae4b892fb/bin/utaipan-UUZaoUuFF8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-3.1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a122f-cc62-4942-b7b0-113ae4b892fb/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a122f-cc62-4942-b7b0-113ae4b892fb/bin/utaipan-UUZaoUuFF8 --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 b1b021e6d9a2738a433255a5090e8bc6a16512946b766dfe0e7714e9e7b1f123 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:06:53,165 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:06:53,167 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:06:53,213 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:06:53,214 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:06:53,216 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:06:53,219 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:06:53,223 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:06:53,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:06:53,228 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:06:53,230 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:06:53,232 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:06:53,233 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:06:53,235 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:06:53,243 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:06:53,245 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:06:53,247 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:06:53,249 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:06:53,252 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:06:53,256 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:06:53,259 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:06:53,261 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:06:53,263 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:06:53,265 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:06:53,270 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:06:53,271 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:06:53,272 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:06:53,274 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:06:53,275 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:06:53,277 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:06:53,277 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:06:53,279 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:06:53,280 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:06:53,282 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:06:53,284 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:06:53,284 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:06:53,285 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:06:53,286 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:06:53,287 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:06:53,288 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:06:53,289 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:06:53,296 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a122f-cc62-4942-b7b0-113ae4b892fb/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-11-07 02:06:53,334 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:06:53,335 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:06:53,336 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:06:53,337 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:06:53,337 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:06:53,338 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:06:53,338 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 02:06:53,338 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:06:53,339 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:06:53,339 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 02:06:53,340 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 02:06:53,340 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:06:53,340 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 02:06:53,341 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 02:06:53,341 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 02:06:53,342 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 02:06:53,343 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 02:06:53,343 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:06:53,343 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 02:06:53,344 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 02:06:53,344 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 02:06:53,344 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 02:06:53,345 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:06:53,345 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-07 02:06:53,346 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-07 02:06:53,346 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-07 02:06:53,346 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:06:53,347 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:06:53,347 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 02:06:53,347 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:06:53,348 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:06:53,348 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:06:53,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:06:53,349 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:06:53,349 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:06:53,350 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 02:06:53,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 02:06:53,350 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:06:53,351 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:06:53,351 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_366a122f-cc62-4942-b7b0-113ae4b892fb/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a122f-cc62-4942-b7b0-113ae4b892fb/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1b021e6d9a2738a433255a5090e8bc6a16512946b766dfe0e7714e9e7b1f123 [2021-11-07 02:06:53,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:06:53,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:06:53,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:06:53,723 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:06:53,724 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:06:53,725 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a122f-cc62-4942-b7b0-113ae4b892fb/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-3.1-2.i [2021-11-07 02:06:53,809 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a122f-cc62-4942-b7b0-113ae4b892fb/bin/utaipan-UUZaoUuFF8/data/91f043fb7/1290afca7584493e9e75eac7b6316ce0/FLAG916d1b6dc [2021-11-07 02:06:54,400 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:06:54,400 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a122f-cc62-4942-b7b0-113ae4b892fb/sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-3.1-2.i [2021-11-07 02:06:54,410 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a122f-cc62-4942-b7b0-113ae4b892fb/bin/utaipan-UUZaoUuFF8/data/91f043fb7/1290afca7584493e9e75eac7b6316ce0/FLAG916d1b6dc [2021-11-07 02:06:54,701 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a122f-cc62-4942-b7b0-113ae4b892fb/bin/utaipan-UUZaoUuFF8/data/91f043fb7/1290afca7584493e9e75eac7b6316ce0 [2021-11-07 02:06:54,713 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:06:54,715 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:06:54,720 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:06:54,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:06:54,727 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:06:54,728 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:06:54" (1/1) ... [2021-11-07 02:06:54,731 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32f8d4d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:06:54, skipping insertion in model container [2021-11-07 02:06:54,732 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:06:54" (1/1) ... [2021-11-07 02:06:54,742 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:06:54,767 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:06:54,995 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:141) 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:1598) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) 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:3247) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2321) 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) [2021-11-07 02:06:55,001 INFO L168 Benchmark]: Toolchain (without parser) took 284.92 ms. Allocated memory is still 92.3 MB. Free memory was 66.5 MB in the beginning and 70.5 MB in the end (delta: -4.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 02:06:55,003 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 75.5 MB. Free memory was 51.0 MB in the beginning and 50.9 MB in the end (delta: 39.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:06:55,004 INFO L168 Benchmark]: CACSL2BoogieTranslator took 278.56 ms. Allocated memory is still 92.3 MB. Free memory was 66.3 MB in the beginning and 70.5 MB in the end (delta: -4.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 02:06:55,007 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 75.5 MB. Free memory was 51.0 MB in the beginning and 50.9 MB in the end (delta: 39.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 278.56 ms. Allocated memory is still 92.3 MB. Free memory was 66.3 MB in the beginning and 70.5 MB in the end (delta: -4.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * 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:141) 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_366a122f-cc62-4942-b7b0-113ae4b892fb/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a122f-cc62-4942-b7b0-113ae4b892fb/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a122f-cc62-4942-b7b0-113ae4b892fb/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a122f-cc62-4942-b7b0-113ae4b892fb/bin/utaipan-UUZaoUuFF8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-3.1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a122f-cc62-4942-b7b0-113ae4b892fb/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a122f-cc62-4942-b7b0-113ae4b892fb/bin/utaipan-UUZaoUuFF8 --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 b1b021e6d9a2738a433255a5090e8bc6a16512946b766dfe0e7714e9e7b1f123 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:06:57,975 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:06:57,979 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:06:58,038 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:06:58,039 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:06:58,044 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:06:58,046 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:06:58,055 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:06:58,059 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:06:58,067 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:06:58,069 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:06:58,071 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:06:58,071 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:06:58,074 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:06:58,077 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:06:58,083 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:06:58,086 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:06:58,087 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:06:58,089 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:06:58,091 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:06:58,093 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:06:58,100 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:06:58,102 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:06:58,104 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:06:58,109 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:06:58,114 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:06:58,115 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:06:58,117 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:06:58,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:06:58,119 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:06:58,120 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:06:58,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:06:58,123 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:06:58,124 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:06:58,126 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:06:58,127 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:06:58,138 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:06:58,138 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:06:58,138 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:06:58,140 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:06:58,141 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:06:58,142 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a122f-cc62-4942-b7b0-113ae4b892fb/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-11-07 02:06:58,194 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:06:58,195 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:06:58,197 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:06:58,197 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:06:58,197 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:06:58,197 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:06:58,198 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:06:58,198 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:06:58,198 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:06:58,200 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 02:06:58,201 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 02:06:58,202 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:06:58,202 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 02:06:58,202 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 02:06:58,203 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 02:06:58,203 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 02:06:58,203 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:06:58,203 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-07 02:06:58,204 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-07 02:06:58,204 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-07 02:06:58,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:06:58,205 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:06:58,205 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 02:06:58,205 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 02:06:58,205 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 02:06:58,206 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:06:58,206 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:06:58,206 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 02:06:58,206 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:06:58,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:06:58,207 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:06:58,207 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:06:58,208 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 02:06:58,208 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 02:06:58,209 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:06:58,209 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:06:58,209 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_366a122f-cc62-4942-b7b0-113ae4b892fb/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a122f-cc62-4942-b7b0-113ae4b892fb/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1b021e6d9a2738a433255a5090e8bc6a16512946b766dfe0e7714e9e7b1f123 [2021-11-07 02:06:58,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:06:58,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:06:58,711 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:06:58,712 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:06:58,713 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:06:58,713 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a122f-cc62-4942-b7b0-113ae4b892fb/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-3.1-2.i [2021-11-07 02:06:58,803 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a122f-cc62-4942-b7b0-113ae4b892fb/bin/utaipan-UUZaoUuFF8/data/10b5a5813/ffd27ef1bcad47a097537a9d783487ac/FLAGecf9b670e [2021-11-07 02:06:59,573 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:06:59,574 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a122f-cc62-4942-b7b0-113ae4b892fb/sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-3.1-2.i [2021-11-07 02:06:59,584 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a122f-cc62-4942-b7b0-113ae4b892fb/bin/utaipan-UUZaoUuFF8/data/10b5a5813/ffd27ef1bcad47a097537a9d783487ac/FLAGecf9b670e [2021-11-07 02:06:59,859 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_366a122f-cc62-4942-b7b0-113ae4b892fb/bin/utaipan-UUZaoUuFF8/data/10b5a5813/ffd27ef1bcad47a097537a9d783487ac [2021-11-07 02:06:59,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:06:59,865 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:06:59,870 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:06:59,870 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:06:59,875 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:06:59,876 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:06:59" (1/1) ... [2021-11-07 02:06:59,878 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@361c3786 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:06:59, skipping insertion in model container [2021-11-07 02:06:59,879 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:06:59" (1/1) ... [2021-11-07 02:06:59,888 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:06:59,911 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:07:00,118 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:141) 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:1598) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) 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:3247) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2321) 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) [2021-11-07 02:07:00,124 INFO L168 Benchmark]: Toolchain (without parser) took 256.50 ms. Allocated memory is still 69.2 MB. Free memory was 53.7 MB in the beginning and 46.0 MB in the end (delta: 7.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 02:07:00,126 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 69.2 MB. Free memory is still 50.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:07:00,127 INFO L168 Benchmark]: CACSL2BoogieTranslator took 250.78 ms. Allocated memory is still 69.2 MB. Free memory was 53.4 MB in the beginning and 46.0 MB in the end (delta: 7.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 02:07:00,131 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 69.2 MB. Free memory is still 50.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 250.78 ms. Allocated memory is still 69.2 MB. Free memory was 53.4 MB in the beginning and 46.0 MB in the end (delta: 7.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * 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:141) 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