./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/valid-memsafety.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i --full-output --preprocessor.use.memory.slicer true --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6ae2ee47 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 --preprocessor.use.memory.slicer true --- Real Ultimate output --- This is Ultimate 0.2.3-dev-6ae2ee4-m [2023-11-22 17:18:42,029 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-22 17:18:42,098 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-11-22 17:18:42,101 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-22 17:18:42,102 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-22 17:18:42,126 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-22 17:18:42,126 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-22 17:18:42,126 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-22 17:18:42,127 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-22 17:18:42,130 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-22 17:18:42,130 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-22 17:18:42,131 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-22 17:18:42,131 INFO L153 SettingsManager]: * Use SBE=true [2023-11-22 17:18:42,132 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-22 17:18:42,133 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-22 17:18:42,133 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-22 17:18:42,133 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-22 17:18:42,133 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-22 17:18:42,134 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-22 17:18:42,134 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-22 17:18:42,134 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-22 17:18:42,134 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-22 17:18:42,135 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-22 17:18:42,135 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-22 17:18:42,135 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-22 17:18:42,135 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-22 17:18:42,136 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-22 17:18:42,136 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-22 17:18:42,136 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-22 17:18:42,136 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-22 17:18:42,137 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-22 17:18:42,137 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-22 17:18:42,138 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-22 17:18:42,138 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-22 17:18:42,138 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-22 17:18:42,138 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-22 17:18:42,138 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-22 17:18:42,138 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-22 17:18:42,139 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-22 17:18:42,139 INFO L153 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> true [2023-11-22 17:18:42,320 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-22 17:18:42,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-22 17:18:42,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-22 17:18:42,346 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-22 17:18:42,346 INFO L274 PluginConnector]: CDTParser initialized [2023-11-22 17:18:42,347 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2023-11-22 17:18:43,470 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-22 17:18:43,871 INFO L384 CDTParser]: Found 1 translation units. [2023-11-22 17:18:43,871 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2023-11-22 17:18:43,908 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8b98e1eb/aa84a3e7b691411fa9af4e333828d95b/FLAG1d6d33245 [2023-11-22 17:18:43,923 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8b98e1eb/aa84a3e7b691411fa9af4e333828d95b [2023-11-22 17:18:43,926 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-22 17:18:43,927 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-22 17:18:43,930 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-22 17:18:43,930 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-22 17:18:43,935 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-22 17:18:43,936 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:18:43" (1/1) ... [2023-11-22 17:18:43,936 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19d9934 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:18:43, skipping insertion in model container [2023-11-22 17:18:43,937 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:18:43" (1/1) ... [2023-11-22 17:18:44,036 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-22 17:18:46,386 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:3421) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2441) 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) [2023-11-22 17:18:46,401 INFO L158 Benchmark]: Toolchain (without parser) took 2462.47ms. Allocated memory was 159.4MB in the beginning and 220.2MB in the end (delta: 60.8MB). Free memory was 93.1MB in the beginning and 157.5MB in the end (delta: -64.4MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. [2023-11-22 17:18:46,401 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 159.4MB. Free memory was 96.7MB in the beginning and 96.5MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-22 17:18:46,402 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2459.22ms. Allocated memory was 159.4MB in the beginning and 220.2MB in the end (delta: 60.8MB). Free memory was 92.7MB in the beginning and 157.5MB in the end (delta: -64.8MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. [2023-11-22 17:18:46,403 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 159.4MB. Free memory was 96.7MB in the beginning and 96.5MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2459.22ms. Allocated memory was 159.4MB in the beginning and 220.2MB in the end (delta: 60.8MB). Free memory was 92.7MB in the beginning and 157.5MB in the end (delta: -64.8MB). Peak memory consumption was 43.4MB. 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: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: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 --preprocessor.use.memory.slicer true --- Real Ultimate output --- This is Ultimate 0.2.3-dev-6ae2ee4-m [2023-11-22 17:18:48,403 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-22 17:18:48,479 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-11-22 17:18:48,483 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-22 17:18:48,483 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-22 17:18:48,509 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-22 17:18:48,510 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-22 17:18:48,510 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-22 17:18:48,511 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-22 17:18:48,514 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-22 17:18:48,514 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-22 17:18:48,515 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-22 17:18:48,515 INFO L153 SettingsManager]: * Use SBE=true [2023-11-22 17:18:48,516 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-22 17:18:48,516 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-22 17:18:48,516 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-22 17:18:48,517 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-22 17:18:48,517 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-22 17:18:48,517 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-22 17:18:48,517 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-22 17:18:48,518 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-22 17:18:48,518 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-22 17:18:48,519 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-22 17:18:48,519 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-22 17:18:48,519 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-22 17:18:48,519 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-22 17:18:48,520 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-22 17:18:48,520 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-22 17:18:48,520 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-22 17:18:48,521 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-22 17:18:48,521 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-22 17:18:48,522 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-22 17:18:48,522 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-22 17:18:48,522 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-22 17:18:48,522 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-22 17:18:48,523 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-22 17:18:48,523 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-22 17:18:48,523 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-22 17:18:48,523 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-22 17:18:48,528 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-22 17:18:48,528 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-22 17:18:48,528 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-22 17:18:48,529 INFO L153 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> true [2023-11-22 17:18:48,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-22 17:18:48,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-22 17:18:48,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-22 17:18:48,869 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-22 17:18:48,869 INFO L274 PluginConnector]: CDTParser initialized [2023-11-22 17:18:48,871 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2023-11-22 17:18:49,975 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-22 17:18:50,422 INFO L384 CDTParser]: Found 1 translation units. [2023-11-22 17:18:50,424 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2023-11-22 17:18:50,465 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/392a27bfa/185f07ed7d4740d6a6e86638b6572a1c/FLAGc64f8131f [2023-11-22 17:18:50,498 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/392a27bfa/185f07ed7d4740d6a6e86638b6572a1c [2023-11-22 17:18:50,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-22 17:18:50,502 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-22 17:18:50,504 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-22 17:18:50,504 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-22 17:18:50,508 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-22 17:18:50,508 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:18:50" (1/1) ... [2023-11-22 17:18:50,509 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d9a494e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:18:50, skipping insertion in model container [2023-11-22 17:18:50,509 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:18:50" (1/1) ... [2023-11-22 17:18:50,586 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-22 17:18:52,585 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:3421) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2441) 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) [2023-11-22 17:18:52,590 INFO L158 Benchmark]: Toolchain (without parser) took 2087.31ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 36.2MB in the beginning and 37.7MB in the end (delta: -1.4MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2023-11-22 17:18:52,590 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 46.1MB. Free memory was 27.8MB in the beginning and 27.8MB in the end (delta: 30.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-22 17:18:52,591 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2084.46ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 36.0MB in the beginning and 38.0MB in the end (delta: -2.0MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2023-11-22 17:18:52,592 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 46.1MB. Free memory was 27.8MB in the beginning and 27.8MB in the end (delta: 30.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2084.46ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 36.0MB in the beginning and 38.0MB in the end (delta: -2.0MB). Peak memory consumption was 32.6MB. 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