./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 30e01a73 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_7314d6e0-6770-4905-ac2e-e88dba19cca9/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7314d6e0-6770-4905-ac2e-e88dba19cca9/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7314d6e0-6770-4905-ac2e-e88dba19cca9/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7314d6e0-6770-4905-ac2e-e88dba19cca9/bin/utaipan-verify-mE87zJ7Ire/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7314d6e0-6770-4905-ac2e-e88dba19cca9/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7314d6e0-6770-4905-ac2e-e88dba19cca9/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --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 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:21:54,772 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:21:54,847 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7314d6e0-6770-4905-ac2e-e88dba19cca9/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-11-23 21:21:54,852 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:21:54,853 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:21:54,881 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:21:54,882 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:21:54,882 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:21:54,883 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:21:54,884 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:21:54,884 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:21:54,885 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:21:54,885 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:21:54,886 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:21:54,886 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:21:54,887 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:21:54,887 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:21:54,888 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:21:54,889 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:21:54,889 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:21:54,890 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:21:54,890 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:21:54,891 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 21:21:54,891 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 21:21:54,892 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:21:54,892 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:21:54,893 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:21:54,893 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:21:54,894 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:21:54,894 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-23 21:21:54,895 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-23 21:21:54,895 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-23 21:21:54,896 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:21:54,896 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:21:54,897 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:21:54,897 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:21:54,897 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:21:54,898 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:21:54,898 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:21:54,899 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:21:54,899 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:21:54,900 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:21:54,900 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:21:54,900 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:21:54,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:21:54,900 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:21:54,901 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:21:54,901 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:21:54,901 INFO L153 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_7314d6e0-6770-4905-ac2e-e88dba19cca9/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7314d6e0-6770-4905-ac2e-e88dba19cca9/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2023-11-23 21:21:55,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:21:55,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:21:55,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:21:55,252 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:21:55,253 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:21:55,255 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7314d6e0-6770-4905-ac2e-e88dba19cca9/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2023-11-23 21:21:58,579 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:21:59,152 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:21:59,152 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7314d6e0-6770-4905-ac2e-e88dba19cca9/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2023-11-23 21:21:59,192 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7314d6e0-6770-4905-ac2e-e88dba19cca9/bin/utaipan-verify-mE87zJ7Ire/data/fe1d5d566/70d3fd6b70054ee4b8e8f993d7bcd4dc/FLAGecac8870c [2023-11-23 21:21:59,208 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7314d6e0-6770-4905-ac2e-e88dba19cca9/bin/utaipan-verify-mE87zJ7Ire/data/fe1d5d566/70d3fd6b70054ee4b8e8f993d7bcd4dc [2023-11-23 21:21:59,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:21:59,213 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:21:59,215 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:21:59,215 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:21:59,220 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:21:59,221 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:21:59" (1/1) ... [2023-11-23 21:21:59,222 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e1630c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:21:59, skipping insertion in model container [2023-11-23 21:21:59,223 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:21:59" (1/1) ... [2023-11-23 21:21:59,359 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:22:03,740 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:138) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1464) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:272) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:564) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2096) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:195) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:383) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1512) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:157) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3412) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2432) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:147) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) 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) [2023-11-23 21:22:03,746 INFO L158 Benchmark]: Toolchain (without parser) took 4531.71ms. Allocated memory is still 190.8MB. Free memory was 136.2MB in the beginning and 148.1MB in the end (delta: -11.9MB). Peak memory consumption was 73.7MB. Max. memory is 16.1GB. [2023-11-23 21:22:03,747 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 104.9MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:22:03,747 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4529.18ms. Allocated memory is still 190.8MB. Free memory was 136.2MB in the beginning and 148.1MB in the end (delta: -11.9MB). Peak memory consumption was 73.7MB. Max. memory is 16.1GB. [2023-11-23 21:22:03,750 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 104.9MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4529.18ms. Allocated memory is still 190.8MB. Free memory was 136.2MB in the beginning and 148.1MB in the end (delta: -11.9MB). Peak memory consumption was 73.7MB. 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:138) 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_7314d6e0-6770-4905-ac2e-e88dba19cca9/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7314d6e0-6770-4905-ac2e-e88dba19cca9/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7314d6e0-6770-4905-ac2e-e88dba19cca9/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7314d6e0-6770-4905-ac2e-e88dba19cca9/bin/utaipan-verify-mE87zJ7Ire/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7314d6e0-6770-4905-ac2e-e88dba19cca9/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7314d6e0-6770-4905-ac2e-e88dba19cca9/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --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 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:22:06,346 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:22:06,430 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7314d6e0-6770-4905-ac2e-e88dba19cca9/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2023-11-23 21:22:06,440 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:22:06,441 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:22:06,495 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:22:06,496 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:22:06,497 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:22:06,498 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:22:06,503 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:22:06,504 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:22:06,504 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:22:06,505 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:22:06,507 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:22:06,507 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:22:06,508 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:22:06,509 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 21:22:06,509 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 21:22:06,510 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:22:06,511 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:22:06,512 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:22:06,512 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:22:06,513 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:22:06,513 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-23 21:22:06,514 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-23 21:22:06,514 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-23 21:22:06,515 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:22:06,515 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:22:06,516 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:22:06,516 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:22:06,518 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:22:06,518 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:22:06,518 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:22:06,519 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:22:06,519 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:22:06,519 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:22:06,520 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:22:06,521 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:22:06,521 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:22:06,522 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:22:06,522 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:22:06,522 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:22:06,523 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:22:06,523 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:22:06,524 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:22:06,524 INFO L153 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_7314d6e0-6770-4905-ac2e-e88dba19cca9/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7314d6e0-6770-4905-ac2e-e88dba19cca9/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2023-11-23 21:22:06,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:22:07,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:22:07,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:22:07,021 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:22:07,021 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:22:07,024 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7314d6e0-6770-4905-ac2e-e88dba19cca9/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2023-11-23 21:22:10,342 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:22:11,014 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:22:11,015 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7314d6e0-6770-4905-ac2e-e88dba19cca9/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2023-11-23 21:22:11,073 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7314d6e0-6770-4905-ac2e-e88dba19cca9/bin/utaipan-verify-mE87zJ7Ire/data/dfa4e286e/3937ae696d91436291d64210d25c8235/FLAGefdb272a6 [2023-11-23 21:22:11,093 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7314d6e0-6770-4905-ac2e-e88dba19cca9/bin/utaipan-verify-mE87zJ7Ire/data/dfa4e286e/3937ae696d91436291d64210d25c8235 [2023-11-23 21:22:11,098 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:22:11,100 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:22:11,104 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:22:11,104 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:22:11,109 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:22:11,110 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:22:11" (1/1) ... [2023-11-23 21:22:11,111 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7652bde2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:11, skipping insertion in model container [2023-11-23 21:22:11,111 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:22:11" (1/1) ... [2023-11-23 21:22:11,314 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:22:15,380 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:138) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1464) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:272) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:564) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2096) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:195) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:383) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1512) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:157) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3412) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2432) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:147) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) 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) [2023-11-23 21:22:15,394 INFO L158 Benchmark]: Toolchain (without parser) took 4292.21ms. Allocated memory was 75.5MB in the beginning and 100.7MB in the end (delta: 25.2MB). Free memory was 40.8MB in the beginning and 44.4MB in the end (delta: -3.7MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2023-11-23 21:22:15,394 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 75.5MB. Free memory is still 51.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:22:15,395 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4287.87ms. Allocated memory was 75.5MB in the beginning and 100.7MB in the end (delta: 25.2MB). Free memory was 40.6MB in the beginning and 44.4MB in the end (delta: -3.8MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2023-11-23 21:22:15,397 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 75.5MB. Free memory is still 51.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4287.87ms. Allocated memory was 75.5MB in the beginning and 100.7MB in the end (delta: 25.2MB). Free memory was 40.6MB in the beginning and 44.4MB in the end (delta: -3.8MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: Bitfield reference de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: Bitfield reference: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.StructHandler.handleFieldReference(StructHandler.java:138) 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