./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33a854-966b-476b-93c9-f1de95b1aef7/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33a854-966b-476b-93c9-f1de95b1aef7/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33a854-966b-476b-93c9-f1de95b1aef7/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33a854-966b-476b-93c9-f1de95b1aef7/bin/uautomizer-uyxdKDjOR8/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33a854-966b-476b-93c9-f1de95b1aef7/bin/uautomizer-uyxdKDjOR8/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33a854-966b-476b-93c9-f1de95b1aef7/bin/uautomizer-uyxdKDjOR8 --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash be1b201ec4bb736098743afd4181fcfc22c193becbd6f966d9c5be2ac7d72b7a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 13:41:19,111 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:41:19,112 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:41:19,129 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:41:19,130 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:41:19,131 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:41:19,132 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:41:19,133 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:41:19,135 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:41:19,136 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:41:19,136 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:41:19,137 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:41:19,138 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:41:19,139 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:41:19,140 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:41:19,141 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:41:19,141 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:41:19,142 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:41:19,143 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:41:19,145 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:41:19,145 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:41:19,146 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:41:19,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:41:19,148 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:41:19,150 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:41:19,150 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:41:19,150 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:41:19,151 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:41:19,151 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:41:19,151 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:41:19,152 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:41:19,152 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:41:19,153 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:41:19,153 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:41:19,154 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:41:19,154 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:41:19,154 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:41:19,155 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:41:19,155 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:41:19,155 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:41:19,156 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:41:19,156 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33a854-966b-476b-93c9-f1de95b1aef7/bin/uautomizer-uyxdKDjOR8/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-12-13 13:41:19,176 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:41:19,177 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:41:19,177 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:41:19,177 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:41:19,178 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 13:41:19,178 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 13:41:19,179 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:41:19,179 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:41:19,179 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:41:19,179 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:41:19,179 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 13:41:19,184 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 13:41:19,184 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 13:41:19,184 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 13:41:19,184 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:41:19,185 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-13 13:41:19,185 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-13 13:41:19,185 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-13 13:41:19,185 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 13:41:19,185 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 13:41:19,186 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 13:41:19,186 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:41:19,186 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:41:19,186 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:41:19,186 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 13:41:19,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:41:19,187 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:41:19,187 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 13:41:19,187 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 13:41:19,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 13:41:19,188 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 13:41:19,188 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 13:41:19,188 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 13:41:19,188 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 13:41:19,188 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_1d33a854-966b-476b-93c9-f1de95b1aef7/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33a854-966b-476b-93c9-f1de95b1aef7/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be1b201ec4bb736098743afd4181fcfc22c193becbd6f966d9c5be2ac7d72b7a [2022-12-13 13:41:19,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:41:19,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:41:19,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:41:19,395 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:41:19,395 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:41:19,396 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33a854-966b-476b-93c9-f1de95b1aef7/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-1-2.i [2022-12-13 13:41:21,985 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:41:22,142 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:41:22,143 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33a854-966b-476b-93c9-f1de95b1aef7/sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-1-2.i [2022-12-13 13:41:22,147 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33a854-966b-476b-93c9-f1de95b1aef7/bin/uautomizer-uyxdKDjOR8/data/2762c103c/04c5e931c2054de3a0f61b10246e5b8e/FLAGc78cb3468 [2022-12-13 13:41:22,157 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33a854-966b-476b-93c9-f1de95b1aef7/bin/uautomizer-uyxdKDjOR8/data/2762c103c/04c5e931c2054de3a0f61b10246e5b8e [2022-12-13 13:41:22,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:41:22,160 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:41:22,161 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:41:22,161 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:41:22,164 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:41:22,165 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:41:22" (1/1) ... [2022-12-13 13:41:22,166 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6155ade4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:41:22, skipping insertion in model container [2022-12-13 13:41:22,166 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:41:22" (1/1) ... [2022-12-13 13:41:22,173 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:41:22,186 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:41:22,288 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: Bitfield reference at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.StructHandler.handleFieldReference(StructHandler.java:140) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1457) 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:727) 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:1420) 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:1094) 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:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1496) 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:3320) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2395) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) 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) [2022-12-13 13:41:22,291 INFO L158 Benchmark]: Toolchain (without parser) took 130.84ms. Allocated memory is still 127.9MB. Free memory was 97.7MB in the beginning and 89.8MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 13:41:22,292 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 127.9MB. Free memory is still 98.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:41:22,292 INFO L158 Benchmark]: CACSL2BoogieTranslator took 129.40ms. Allocated memory is still 127.9MB. Free memory was 97.3MB in the beginning and 89.8MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 13:41:22,293 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 127.9MB. Free memory is still 98.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 129.40ms. Allocated memory is still 127.9MB. Free memory was 97.3MB in the beginning and 89.8MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: Bitfield reference de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: Bitfield reference: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.StructHandler.handleFieldReference(StructHandler.java:140) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33a854-966b-476b-93c9-f1de95b1aef7/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33a854-966b-476b-93c9-f1de95b1aef7/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33a854-966b-476b-93c9-f1de95b1aef7/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33a854-966b-476b-93c9-f1de95b1aef7/bin/uautomizer-uyxdKDjOR8/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33a854-966b-476b-93c9-f1de95b1aef7/bin/uautomizer-uyxdKDjOR8/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33a854-966b-476b-93c9-f1de95b1aef7/bin/uautomizer-uyxdKDjOR8 --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash be1b201ec4bb736098743afd4181fcfc22c193becbd6f966d9c5be2ac7d72b7a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 13:41:23,517 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:41:23,519 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:41:23,531 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:41:23,531 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:41:23,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:41:23,533 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:41:23,534 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:41:23,536 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:41:23,537 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:41:23,537 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:41:23,538 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:41:23,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:41:23,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:41:23,540 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:41:23,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:41:23,541 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:41:23,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:41:23,543 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:41:23,544 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:41:23,545 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:41:23,546 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:41:23,546 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:41:23,547 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:41:23,549 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:41:23,549 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:41:23,549 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:41:23,550 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:41:23,550 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:41:23,551 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:41:23,551 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:41:23,551 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:41:23,552 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:41:23,552 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:41:23,564 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:41:23,564 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:41:23,565 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:41:23,565 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:41:23,566 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:41:23,567 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:41:23,568 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:41:23,569 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33a854-966b-476b-93c9-f1de95b1aef7/bin/uautomizer-uyxdKDjOR8/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2022-12-13 13:41:23,585 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:41:23,586 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:41:23,586 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:41:23,586 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:41:23,586 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 13:41:23,587 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 13:41:23,587 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:41:23,587 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:41:23,587 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:41:23,587 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:41:23,588 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 13:41:23,588 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 13:41:23,588 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 13:41:23,588 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 13:41:23,588 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:41:23,588 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-13 13:41:23,588 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-13 13:41:23,588 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-13 13:41:23,588 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 13:41:23,589 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 13:41:23,589 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 13:41:23,589 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 13:41:23,589 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 13:41:23,589 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:41:23,589 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:41:23,589 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:41:23,589 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 13:41:23,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:41:23,590 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:41:23,590 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 13:41:23,590 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 13:41:23,590 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 13:41:23,590 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 13:41:23,590 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 13:41:23,590 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 13:41:23,591 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 13:41:23,591 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 13:41:23,591 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_1d33a854-966b-476b-93c9-f1de95b1aef7/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33a854-966b-476b-93c9-f1de95b1aef7/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be1b201ec4bb736098743afd4181fcfc22c193becbd6f966d9c5be2ac7d72b7a [2022-12-13 13:41:23,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:41:23,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:41:23,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:41:23,826 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:41:23,826 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:41:23,827 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33a854-966b-476b-93c9-f1de95b1aef7/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-1-2.i [2022-12-13 13:41:26,457 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:41:26,650 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:41:26,650 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33a854-966b-476b-93c9-f1de95b1aef7/sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-1-2.i [2022-12-13 13:41:26,656 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33a854-966b-476b-93c9-f1de95b1aef7/bin/uautomizer-uyxdKDjOR8/data/b87f6a060/1b018cdb0d6d4c6b917dbbb9a416a4e2/FLAG0db4c0f36 [2022-12-13 13:41:26,670 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d33a854-966b-476b-93c9-f1de95b1aef7/bin/uautomizer-uyxdKDjOR8/data/b87f6a060/1b018cdb0d6d4c6b917dbbb9a416a4e2 [2022-12-13 13:41:26,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:41:26,674 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:41:26,676 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:41:26,676 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:41:26,679 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:41:26,680 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:41:26" (1/1) ... [2022-12-13 13:41:26,681 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34549bd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:41:26, skipping insertion in model container [2022-12-13 13:41:26,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:41:26" (1/1) ... [2022-12-13 13:41:26,688 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:41:26,701 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:41:26,824 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: Bitfield reference at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.StructHandler.handleFieldReference(StructHandler.java:140) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1457) 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:727) 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:1420) 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:1094) 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:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1496) 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:3320) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2395) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) 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) [2022-12-13 13:41:26,828 INFO L158 Benchmark]: Toolchain (without parser) took 153.02ms. Allocated memory is still 67.1MB. Free memory was 46.0MB in the beginning and 38.1MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 13:41:26,829 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 67.1MB. Free memory is still 45.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:41:26,829 INFO L158 Benchmark]: CACSL2BoogieTranslator took 150.82ms. Allocated memory is still 67.1MB. Free memory was 46.0MB in the beginning and 38.1MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 13:41:26,831 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 67.1MB. Free memory is still 45.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 150.82ms. Allocated memory is still 67.1MB. Free memory was 46.0MB in the beginning and 38.1MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: Bitfield reference de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: Bitfield reference: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.StructHandler.handleFieldReference(StructHandler.java:140) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Bitfield reference