./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 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168c3eea-99db-42d2-8c8b-0a3d11521f50/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168c3eea-99db-42d2-8c8b-0a3d11521f50/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168c3eea-99db-42d2-8c8b-0a3d11521f50/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168c3eea-99db-42d2-8c8b-0a3d11521f50/bin/utaipan-WLngWcDbfI/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_168c3eea-99db-42d2-8c8b-0a3d11521f50/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168c3eea-99db-42d2-8c8b-0a3d11521f50/bin/utaipan-WLngWcDbfI --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 946ed34fe8a190d7a43a47965f2445fe259e63ea ........................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168c3eea-99db-42d2-8c8b-0a3d11521f50/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168c3eea-99db-42d2-8c8b-0a3d11521f50/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168c3eea-99db-42d2-8c8b-0a3d11521f50/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168c3eea-99db-42d2-8c8b-0a3d11521f50/bin/utaipan-WLngWcDbfI/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_168c3eea-99db-42d2-8c8b-0a3d11521f50/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168c3eea-99db-42d2-8c8b-0a3d11521f50/bin/utaipan-WLngWcDbfI --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 946ed34fe8a190d7a43a47965f2445fe259e63ea ..................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Bitfield reference --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:27:38,419 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:27:38,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:27:38,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:27:38,454 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:27:38,455 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:27:38,457 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:27:38,460 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:27:38,462 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:27:38,463 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:27:38,465 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:27:38,466 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:27:38,467 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:27:38,468 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:27:38,470 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:27:38,471 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:27:38,472 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:27:38,474 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:27:38,476 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:27:38,479 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:27:38,481 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:27:38,483 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:27:38,484 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:27:38,485 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:27:38,489 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:27:38,490 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:27:38,490 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:27:38,491 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:27:38,492 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:27:38,493 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:27:38,494 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:27:38,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:27:38,496 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:27:38,497 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:27:38,498 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:27:38,499 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:27:38,500 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:27:38,500 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:27:38,500 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:27:38,502 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:27:38,502 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:27:38,503 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168c3eea-99db-42d2-8c8b-0a3d11521f50/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-10-11 02:27:38,530 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:27:38,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:27:38,531 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:27:38,531 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:27:38,532 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:27:38,532 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:27:38,532 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:27:38,533 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:27:38,533 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:27:38,533 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:27:38,533 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:27:38,534 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:27:38,534 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:27:38,534 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:27:38,535 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:27:38,535 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 02:27:38,536 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 02:27:38,536 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:27:38,536 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:27:38,537 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:27:38,537 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:27:38,537 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:27:38,537 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:27:38,538 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-11 02:27:38,538 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-11 02:27:38,538 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-11 02:27:38,539 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:27:38,539 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:27:38,539 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:27:38,539 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:27:38,540 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:27:38,540 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:27:38,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:27:38,541 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:27:38,541 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:27:38,541 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:27:38,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:27:38,542 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:27:38,542 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:27:38,542 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_168c3eea-99db-42d2-8c8b-0a3d11521f50/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168c3eea-99db-42d2-8c8b-0a3d11521f50/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 946ed34fe8a190d7a43a47965f2445fe259e63ea [2021-10-11 02:27:38,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:27:38,926 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:27:38,928 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:27:38,930 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:27:38,932 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:27:38,933 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168c3eea-99db-42d2-8c8b-0a3d11521f50/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-1-1.i [2021-10-11 02:27:39,008 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168c3eea-99db-42d2-8c8b-0a3d11521f50/bin/utaipan-WLngWcDbfI/data/14829c0f1/b66b81059c944154bbf40ab9640358dd/FLAG53b78fad0 [2021-10-11 02:27:39,470 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:27:39,470 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168c3eea-99db-42d2-8c8b-0a3d11521f50/sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-1-1.i [2021-10-11 02:27:39,477 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168c3eea-99db-42d2-8c8b-0a3d11521f50/bin/utaipan-WLngWcDbfI/data/14829c0f1/b66b81059c944154bbf40ab9640358dd/FLAG53b78fad0 [2021-10-11 02:27:39,849 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168c3eea-99db-42d2-8c8b-0a3d11521f50/bin/utaipan-WLngWcDbfI/data/14829c0f1/b66b81059c944154bbf40ab9640358dd [2021-10-11 02:27:39,852 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:27:39,854 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:27:39,856 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:27:39,856 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:27:39,860 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:27:39,861 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:27:39" (1/1) ... [2021-10-11 02:27:39,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35bacc4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:39, skipping insertion in model container [2021-10-11 02:27:39,863 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:27:39" (1/1) ... [2021-10-11 02:27:39,870 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:27:39,884 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:27:40,054 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:1389) 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:706) 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:1353) 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:1046) 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:1424) 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:3213) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2293) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:580) 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) [2021-10-11 02:27:40,071 INFO L168 Benchmark]: Toolchain (without parser) took 203.94 ms. Allocated memory is still 86.0 MB. Free memory was 50.8 MB in the beginning and 66.4 MB in the end (delta: -15.6 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:40,073 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 86.0 MB. Free memory was 67.1 MB in the beginning and 67.0 MB in the end (delta: 63.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:27:40,075 INFO L168 Benchmark]: CACSL2BoogieTranslator took 200.89 ms. Allocated memory is still 86.0 MB. Free memory was 50.6 MB in the beginning and 66.4 MB in the end (delta: -15.8 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:40,079 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 86.0 MB. Free memory was 67.1 MB in the beginning and 67.0 MB in the end (delta: 63.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 200.89 ms. Allocated memory is still 86.0 MB. Free memory was 50.6 MB in the beginning and 66.4 MB in the end (delta: -15.8 MB). Peak memory consumption was 10.0 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... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:27:42,490 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:27:42,494 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:27:42,557 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:27:42,558 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:27:42,559 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:27:42,561 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:27:42,563 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:27:42,565 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:27:42,566 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:27:42,568 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:27:42,569 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:27:42,569 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:27:42,582 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:27:42,583 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:27:42,585 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:27:42,587 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:27:42,590 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:27:42,595 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:27:42,603 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:27:42,605 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:27:42,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:27:42,609 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:27:42,611 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:27:42,616 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:27:42,616 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:27:42,617 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:27:42,619 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:27:42,619 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:27:42,621 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:27:42,621 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:27:42,622 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:27:42,624 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:27:42,625 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:27:42,626 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:27:42,626 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:27:42,627 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:27:42,627 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:27:42,628 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:27:42,630 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:27:42,630 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:27:42,631 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168c3eea-99db-42d2-8c8b-0a3d11521f50/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-10-11 02:27:42,672 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:27:42,673 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:27:42,674 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:27:42,675 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:27:42,675 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:27:42,675 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:27:42,675 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:27:42,676 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:27:42,676 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:27:42,677 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 02:27:42,678 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 02:27:42,679 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:27:42,679 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:27:42,679 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:27:42,679 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:27:42,680 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:27:42,680 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:27:42,680 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-11 02:27:42,680 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-11 02:27:42,680 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-11 02:27:42,681 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:27:42,681 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:27:42,681 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:27:42,681 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:27:42,682 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:27:42,682 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:27:42,682 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:27:42,682 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:27:42,682 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:27:42,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:27:42,683 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:27:42,683 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:27:42,684 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:27:42,684 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:27:42,684 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:27:42,684 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:27:42,685 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_168c3eea-99db-42d2-8c8b-0a3d11521f50/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168c3eea-99db-42d2-8c8b-0a3d11521f50/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 946ed34fe8a190d7a43a47965f2445fe259e63ea [2021-10-11 02:27:43,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:27:43,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:27:43,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:27:43,127 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:27:43,128 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:27:43,129 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168c3eea-99db-42d2-8c8b-0a3d11521f50/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-1-1.i [2021-10-11 02:27:43,201 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168c3eea-99db-42d2-8c8b-0a3d11521f50/bin/utaipan-WLngWcDbfI/data/0bc98be68/a155d4069e3d43f6b6b3b89b90350ee1/FLAG581d96072 [2021-10-11 02:27:43,770 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:27:43,772 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168c3eea-99db-42d2-8c8b-0a3d11521f50/sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-1-1.i [2021-10-11 02:27:43,779 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168c3eea-99db-42d2-8c8b-0a3d11521f50/bin/utaipan-WLngWcDbfI/data/0bc98be68/a155d4069e3d43f6b6b3b89b90350ee1/FLAG581d96072 [2021-10-11 02:27:44,135 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168c3eea-99db-42d2-8c8b-0a3d11521f50/bin/utaipan-WLngWcDbfI/data/0bc98be68/a155d4069e3d43f6b6b3b89b90350ee1 [2021-10-11 02:27:44,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:27:44,139 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:27:44,141 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:27:44,141 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:27:44,145 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:27:44,145 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:27:44" (1/1) ... [2021-10-11 02:27:44,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f037dbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:44, skipping insertion in model container [2021-10-11 02:27:44,148 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:27:44" (1/1) ... [2021-10-11 02:27:44,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:27:44,169 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:27:44,305 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:1389) 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:706) 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:1353) 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:1046) 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:1424) 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:3213) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2293) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:580) 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) [2021-10-11 02:27:44,311 INFO L168 Benchmark]: Toolchain (without parser) took 170.24 ms. Allocated memory is still 54.5 MB. Free memory was 30.4 MB in the beginning and 36.4 MB in the end (delta: -6.0 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:44,316 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 54.5 MB. Free memory was 35.1 MB in the beginning and 35.1 MB in the end (delta: 36.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:27:44,318 INFO L168 Benchmark]: CACSL2BoogieTranslator took 167.68 ms. Allocated memory is still 54.5 MB. Free memory was 30.2 MB in the beginning and 36.4 MB in the end (delta: -6.2 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:44,320 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 54.5 MB. Free memory was 35.1 MB in the beginning and 35.1 MB in the end (delta: 36.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 167.68 ms. Allocated memory is still 54.5 MB. Free memory was 30.2 MB in the beginning and 36.4 MB in the end (delta: -6.2 MB). Peak memory consumption was 7.6 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...