./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd47719-e0fa-4bce-a540-dfde2aa62473/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd47719-e0fa-4bce-a540-dfde2aa62473/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd47719-e0fa-4bce-a540-dfde2aa62473/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd47719-e0fa-4bce-a540-dfde2aa62473/bin/utaipan-9zjyvhn0QE/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-3-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd47719-e0fa-4bce-a540-dfde2aa62473/bin/utaipan-9zjyvhn0QE/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd47719-e0fa-4bce-a540-dfde2aa62473/bin/utaipan-9zjyvhn0QE --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 377aee86f3d25151744ba97c5be1cc51175a6c56601277d198adc5214d6e67f8 ........................................................................................................................................................................ 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_6fd47719-e0fa-4bce-a540-dfde2aa62473/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd47719-e0fa-4bce-a540-dfde2aa62473/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd47719-e0fa-4bce-a540-dfde2aa62473/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd47719-e0fa-4bce-a540-dfde2aa62473/bin/utaipan-9zjyvhn0QE/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-3-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd47719-e0fa-4bce-a540-dfde2aa62473/bin/utaipan-9zjyvhn0QE/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd47719-e0fa-4bce-a540-dfde2aa62473/bin/utaipan-9zjyvhn0QE --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 377aee86f3d25151744ba97c5be1cc51175a6c56601277d198adc5214d6e67f8 ..................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Bitfield reference --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 11:11:24,212 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 11:11:24,215 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 11:11:24,249 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 11:11:24,256 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 11:11:24,260 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 11:11:24,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 11:11:24,267 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 11:11:24,270 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 11:11:24,278 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 11:11:24,279 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 11:11:24,280 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 11:11:24,282 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 11:11:24,285 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 11:11:24,287 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 11:11:24,290 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 11:11:24,294 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 11:11:24,295 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 11:11:24,296 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 11:11:24,298 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 11:11:24,300 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 11:11:24,301 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 11:11:24,303 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 11:11:24,304 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 11:11:24,307 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 11:11:24,308 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 11:11:24,308 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 11:11:24,309 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 11:11:24,310 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 11:11:24,311 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 11:11:24,311 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 11:11:24,312 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 11:11:24,313 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 11:11:24,322 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 11:11:24,324 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 11:11:24,324 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 11:11:24,325 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 11:11:24,325 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 11:11:24,325 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 11:11:24,327 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 11:11:24,327 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 11:11:24,328 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd47719-e0fa-4bce-a540-dfde2aa62473/bin/utaipan-9zjyvhn0QE/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-10-24 11:11:24,374 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 11:11:24,374 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 11:11:24,375 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 11:11:24,375 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 11:11:24,375 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 11:11:24,375 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 11:11:24,375 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 11:11:24,376 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 11:11:24,376 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 11:11:24,376 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 11:11:24,376 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 11:11:24,376 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 11:11:24,377 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 11:11:24,377 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 11:11:24,377 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 11:11:24,378 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-24 11:11:24,378 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-24 11:11:24,378 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 11:11:24,378 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 11:11:24,379 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-24 11:11:24,379 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 11:11:24,379 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 11:11:24,379 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 11:11:24,379 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-24 11:11:24,379 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-24 11:11:24,380 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-24 11:11:24,380 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 11:11:24,380 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 11:11:24,380 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 11:11:24,380 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 11:11:24,381 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 11:11:24,381 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 11:11:24,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:11:24,381 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 11:11:24,381 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 11:11:24,382 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 11:11:24,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 11:11:24,382 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 11:11:24,382 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 11:11:24,382 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_6fd47719-e0fa-4bce-a540-dfde2aa62473/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd47719-e0fa-4bce-a540-dfde2aa62473/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 377aee86f3d25151744ba97c5be1cc51175a6c56601277d198adc5214d6e67f8 [2021-10-24 11:11:24,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 11:11:24,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 11:11:24,688 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 11:11:24,689 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 11:11:24,690 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 11:11:24,691 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd47719-e0fa-4bce-a540-dfde2aa62473/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-3-2.i [2021-10-24 11:11:24,805 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd47719-e0fa-4bce-a540-dfde2aa62473/bin/utaipan-9zjyvhn0QE/data/d941b0512/0c6c65de9a8d4e51bbd98e81280d46a5/FLAG8ed12767f [2021-10-24 11:11:25,334 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 11:11:25,335 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd47719-e0fa-4bce-a540-dfde2aa62473/sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-3-2.i [2021-10-24 11:11:25,342 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd47719-e0fa-4bce-a540-dfde2aa62473/bin/utaipan-9zjyvhn0QE/data/d941b0512/0c6c65de9a8d4e51bbd98e81280d46a5/FLAG8ed12767f [2021-10-24 11:11:25,676 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd47719-e0fa-4bce-a540-dfde2aa62473/bin/utaipan-9zjyvhn0QE/data/d941b0512/0c6c65de9a8d4e51bbd98e81280d46a5 [2021-10-24 11:11:25,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 11:11:25,680 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 11:11:25,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 11:11:25,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 11:11:25,687 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 11:11:25,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:11:25" (1/1) ... [2021-10-24 11:11:25,691 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45f0447 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:25, skipping insertion in model container [2021-10-24 11:11:25,692 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:11:25" (1/1) ... [2021-10-24 11:11:25,700 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 11:11:25,722 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:11:25,849 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:1395) 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:712) 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:1576) 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:1052) 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:1430) 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:3218) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2299) 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) [2021-10-24 11:11:25,854 INFO L168 Benchmark]: Toolchain (without parser) took 172.68 ms. Allocated memory is still 119.5 MB. Free memory was 84.5 MB in the beginning and 77.1 MB in the end (delta: 7.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 11:11:25,855 INFO L168 Benchmark]: CDTParser took 0.91 ms. Allocated memory is still 77.6 MB. Free memory is still 33.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:11:25,856 INFO L168 Benchmark]: CACSL2BoogieTranslator took 168.69 ms. Allocated memory is still 119.5 MB. Free memory was 84.5 MB in the beginning and 77.1 MB in the end (delta: 7.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 11:11:25,858 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.91 ms. Allocated memory is still 77.6 MB. Free memory is still 33.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 168.69 ms. Allocated memory is still 119.5 MB. Free memory was 84.5 MB in the beginning and 77.1 MB in the end (delta: 7.4 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... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 11:11:28,307 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 11:11:28,312 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 11:11:28,384 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 11:11:28,384 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 11:11:28,389 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 11:11:28,392 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 11:11:28,397 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 11:11:28,401 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 11:11:28,410 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 11:11:28,412 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 11:11:28,415 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 11:11:28,415 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 11:11:28,418 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 11:11:28,421 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 11:11:28,426 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 11:11:28,428 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 11:11:28,434 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 11:11:28,437 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 11:11:28,439 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 11:11:28,442 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 11:11:28,444 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 11:11:28,445 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 11:11:28,447 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 11:11:28,451 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 11:11:28,451 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 11:11:28,452 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 11:11:28,453 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 11:11:28,454 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 11:11:28,455 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 11:11:28,456 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 11:11:28,457 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 11:11:28,458 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 11:11:28,459 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 11:11:28,461 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 11:11:28,461 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 11:11:28,462 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 11:11:28,462 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 11:11:28,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 11:11:28,464 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 11:11:28,465 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 11:11:28,465 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd47719-e0fa-4bce-a540-dfde2aa62473/bin/utaipan-9zjyvhn0QE/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-10-24 11:11:28,497 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 11:11:28,498 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 11:11:28,499 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 11:11:28,499 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 11:11:28,500 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 11:11:28,500 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 11:11:28,500 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 11:11:28,500 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 11:11:28,501 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 11:11:28,502 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-24 11:11:28,502 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-24 11:11:28,502 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 11:11:28,503 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 11:11:28,503 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-24 11:11:28,503 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 11:11:28,503 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 11:11:28,504 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 11:11:28,504 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-24 11:11:28,504 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-24 11:11:28,504 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-24 11:11:28,505 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 11:11:28,505 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 11:11:28,505 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 11:11:28,505 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 11:11:28,506 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 11:11:28,506 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 11:11:28,506 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 11:11:28,506 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 11:11:28,507 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 11:11:28,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:11:28,507 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 11:11:28,508 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 11:11:28,508 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 11:11:28,508 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 11:11:28,508 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 11:11:28,509 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 11:11:28,509 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_6fd47719-e0fa-4bce-a540-dfde2aa62473/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd47719-e0fa-4bce-a540-dfde2aa62473/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 377aee86f3d25151744ba97c5be1cc51175a6c56601277d198adc5214d6e67f8 [2021-10-24 11:11:28,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 11:11:29,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 11:11:29,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 11:11:29,020 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 11:11:29,021 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 11:11:29,022 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd47719-e0fa-4bce-a540-dfde2aa62473/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-3-2.i [2021-10-24 11:11:29,105 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd47719-e0fa-4bce-a540-dfde2aa62473/bin/utaipan-9zjyvhn0QE/data/5aa3bb62b/b06bc5d4688a456fb228c24aaf3b6cc5/FLAG8e955ad23 [2021-10-24 11:11:29,853 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 11:11:29,854 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd47719-e0fa-4bce-a540-dfde2aa62473/sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-3-2.i [2021-10-24 11:11:29,864 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd47719-e0fa-4bce-a540-dfde2aa62473/bin/utaipan-9zjyvhn0QE/data/5aa3bb62b/b06bc5d4688a456fb228c24aaf3b6cc5/FLAG8e955ad23 [2021-10-24 11:11:30,179 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fd47719-e0fa-4bce-a540-dfde2aa62473/bin/utaipan-9zjyvhn0QE/data/5aa3bb62b/b06bc5d4688a456fb228c24aaf3b6cc5 [2021-10-24 11:11:30,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 11:11:30,189 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 11:11:30,192 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 11:11:30,193 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 11:11:30,197 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 11:11:30,198 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:11:30" (1/1) ... [2021-10-24 11:11:30,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78985986 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:30, skipping insertion in model container [2021-10-24 11:11:30,200 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:11:30" (1/1) ... [2021-10-24 11:11:30,209 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 11:11:30,229 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:11:30,454 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:1395) 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:712) 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:1576) 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:1052) 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:1430) 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:3218) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2299) 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) [2021-10-24 11:11:30,461 INFO L168 Benchmark]: Toolchain (without parser) took 270.55 ms. Allocated memory is still 54.5 MB. Free memory was 32.4 MB in the beginning and 38.6 MB in the end (delta: -6.2 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. [2021-10-24 11:11:30,463 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 54.5 MB. Free memory is still 36.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:11:30,464 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.89 ms. Allocated memory is still 54.5 MB. Free memory was 32.2 MB in the beginning and 38.6 MB in the end (delta: -6.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. [2021-10-24 11:11:30,474 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 54.5 MB. Free memory is still 36.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 265.89 ms. Allocated memory is still 54.5 MB. Free memory was 32.2 MB in the beginning and 38.6 MB in the end (delta: -6.4 MB). Peak memory consumption was 11.4 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...