./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-06-19_11-23-25.files/mutex-meet-rel/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7724a2de 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/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i ./goblint.2024-06-19_11-23-25.files/mutex-meet-rel/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-7724a2d-m [2024-06-27 21:55:08,358 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-27 21:55:08,452 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-27 21:55:08,456 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-27 21:55:08,461 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-27 21:55:08,485 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-27 21:55:08,486 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-27 21:55:08,486 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-27 21:55:08,487 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-27 21:55:08,487 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-27 21:55:08,487 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-27 21:55:08,487 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-27 21:55:08,488 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-27 21:55:08,488 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-27 21:55:08,489 INFO L153 SettingsManager]: * Use SBE=true [2024-06-27 21:55:08,489 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-27 21:55:08,489 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-27 21:55:08,490 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-27 21:55:08,490 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-27 21:55:08,490 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-27 21:55:08,491 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-27 21:55:08,494 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-27 21:55:08,494 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-27 21:55:08,494 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-27 21:55:08,498 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-27 21:55:08,498 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-27 21:55:08,498 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-27 21:55:08,499 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-27 21:55:08,500 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-27 21:55:08,500 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-27 21:55:08,501 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-27 21:55:08,501 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-27 21:55:08,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-27 21:55:08,502 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-27 21:55:08,502 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-27 21:55:08,502 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-27 21:55:08,503 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-27 21:55:08,503 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-27 21:55:08,503 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-27 21:55:08,503 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-27 21:55:08,503 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-27 21:55:08,504 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-27 21:55:08,504 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-27 21:55:08,504 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-06-27 21:55:08,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-27 21:55:08,804 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-27 21:55:08,806 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-27 21:55:08,808 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-27 21:55:08,808 INFO L274 PluginConnector]: CDTParser initialized [2024-06-27 21:55:08,809 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2024-06-27 21:55:10,099 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-27 21:55:10,653 INFO L384 CDTParser]: Found 1 translation units. [2024-06-27 21:55:10,655 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2024-06-27 21:55:10,700 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35d165fae/344afee3dda8454992e6b39df1bb41d5/FLAG186ae43de [2024-06-27 21:55:10,717 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35d165fae/344afee3dda8454992e6b39df1bb41d5 [2024-06-27 21:55:10,720 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-27 21:55:10,720 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-27 21:55:10,722 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-06-19_11-23-25.files/mutex-meet-rel/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.yml/witness.yml [2024-06-27 21:55:10,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-27 21:55:10,802 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-27 21:55:10,803 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-27 21:55:10,803 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-27 21:55:10,808 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-27 21:55:10,809 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 09:55:10" (1/2) ... [2024-06-27 21:55:10,810 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52d8a63d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 09:55:10, skipping insertion in model container [2024-06-27 21:55:10,810 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 09:55:10" (1/2) ... [2024-06-27 21:55:10,811 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2c6bf403 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 09:55:10, skipping insertion in model container [2024-06-27 21:55:10,811 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 09:55:10" (2/2) ... [2024-06-27 21:55:10,812 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52d8a63d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 09:55:10, skipping insertion in model container [2024-06-27 21:55:10,812 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 09:55:10" (2/2) ... [2024-06-27 21:55:10,812 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-27 21:55:10,890 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-27 21:55:10,891 INFO L97 edCorrectnessWitness]: Location invariant before [L6863-L6863] ! multithreaded || ((((((-4LL + (long long )default_alloc_size) + (long long )nvram_len >= 0LL && (2147483648LL + (long long )nvram_len) + (long long )whoop_int >= 0LL) && (0LL - (long long )jiffies) + (long long )nvram_len >= 0LL) && (4LL - (long long )default_alloc_size) + (long long )nvram_len >= 0LL) && (long long )jiffies + (long long )nvram_len >= 0LL) && (2147483647LL + (long long )nvram_len) - (long long )whoop_int >= 0LL) [2024-06-27 21:55:10,891 INFO L97 edCorrectnessWitness]: Location invariant before [L6862-L6862] ! multithreaded || ((((((-4LL + (long long )default_alloc_size) + (long long )nvram_len >= 0LL && (2147483648LL + (long long )nvram_len) + (long long )whoop_int >= 0LL) && (0LL - (long long )jiffies) + (long long )nvram_len >= 0LL) && (4LL - (long long )default_alloc_size) + (long long )nvram_len >= 0LL) && (long long )jiffies + (long long )nvram_len >= 0LL) && (2147483647LL + (long long )nvram_len) - (long long )whoop_int >= 0LL) [2024-06-27 21:55:10,891 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-27 21:55:10,892 INFO L106 edCorrectnessWitness]: ghost_update [L6861-L6861] multithreaded = 1; [2024-06-27 21:55:10,997 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-27 21:55:11,368 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2024-06-27 21:55:15,955 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 21:55:15,972 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-06-27 21:55:16,026 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2024-06-27 21:55:16,202 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2024-06-27 21:55:16,204 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2024-06-27 21:55:16,204 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2024-06-27 21:55:16,204 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2024-06-27 21:55:16,323 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] Start Parsing Local Start Parsing Local Start Parsing Local [2024-06-27 21:55:16,388 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 21:55:16,910 ERROR L334 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-06-27 21:55:16,910 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2c6bf403 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 09:55:16, skipping insertion in model container [2024-06-27 21:55:16,910 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-27 21:55:16,911 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-06-27 21:55:16,913 INFO L158 Benchmark]: Toolchain (without parser) took 6110.04ms. Allocated memory was 178.3MB in the beginning and 232.8MB in the end (delta: 54.5MB). Free memory was 136.1MB in the beginning and 134.7MB in the end (delta: 1.3MB). Peak memory consumption was 117.7MB. Max. memory is 16.1GB. [2024-06-27 21:55:16,913 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 125.8MB. Free memory is still 88.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-27 21:55:16,913 INFO L158 Benchmark]: Witness Parser took 0.22ms. Allocated memory is still 178.3MB. Free memory is still 138.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-27 21:55:16,914 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6108.04ms. Allocated memory was 178.3MB in the beginning and 232.8MB in the end (delta: 54.5MB). Free memory was 136.1MB in the beginning and 134.7MB in the end (delta: 1.3MB). Peak memory consumption was 117.7MB. Max. memory is 16.1GB. [2024-06-27 21:55:16,915 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 125.8MB. Free memory is still 88.6MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.22ms. Allocated memory is still 178.3MB. Free memory is still 138.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6108.04ms. Allocated memory was 178.3MB in the beginning and 232.8MB in the end (delta: 54.5MB). Free memory was 136.1MB in the beginning and 134.7MB in the end (delta: 1.3MB). Peak memory consumption was 117.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 5814]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] - UnsupportedSyntaxResult [Line: -1]: Unsupported Syntax The following functions are not defined or handled internally: ____ilog2_NaN 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/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i ./goblint.2024-06-19_11-23-25.files/mutex-meet-rel/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-7724a2d-m [2024-06-27 21:55:19,028 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-27 21:55:19,106 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-06-27 21:55:19,111 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-27 21:55:19,112 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-27 21:55:19,153 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-27 21:55:19,154 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-27 21:55:19,154 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-27 21:55:19,155 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-27 21:55:19,159 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-27 21:55:19,159 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-27 21:55:19,160 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-27 21:55:19,160 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-27 21:55:19,161 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-27 21:55:19,162 INFO L153 SettingsManager]: * Use SBE=true [2024-06-27 21:55:19,162 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-27 21:55:19,163 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-27 21:55:19,163 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-27 21:55:19,163 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-27 21:55:19,163 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-27 21:55:19,164 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-27 21:55:19,165 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-27 21:55:19,165 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-27 21:55:19,165 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-06-27 21:55:19,165 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-06-27 21:55:19,166 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-27 21:55:19,166 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-06-27 21:55:19,166 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-27 21:55:19,167 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-27 21:55:19,167 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-27 21:55:19,168 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-27 21:55:19,168 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-27 21:55:19,168 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-27 21:55:19,169 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-27 21:55:19,169 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-27 21:55:19,169 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-27 21:55:19,170 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-27 21:55:19,170 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-27 21:55:19,170 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-06-27 21:55:19,171 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-06-27 21:55:19,171 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-27 21:55:19,171 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-27 21:55:19,171 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-27 21:55:19,172 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-27 21:55:19,172 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-27 21:55:19,172 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-06-27 21:55:19,173 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-06-27 21:55:19,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-27 21:55:19,530 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-27 21:55:19,533 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-27 21:55:19,534 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-27 21:55:19,535 INFO L274 PluginConnector]: CDTParser initialized [2024-06-27 21:55:19,537 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2024-06-27 21:55:20,825 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-27 21:55:21,357 INFO L384 CDTParser]: Found 1 translation units. [2024-06-27 21:55:21,358 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2024-06-27 21:55:21,407 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab9cfb6c4/f66e28544a384bce94bb1a8c7bade08c/FLAG438727df2 [2024-06-27 21:55:21,423 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab9cfb6c4/f66e28544a384bce94bb1a8c7bade08c [2024-06-27 21:55:21,425 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-27 21:55:21,426 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-27 21:55:21,428 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-06-19_11-23-25.files/mutex-meet-rel/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.yml/witness.yml [2024-06-27 21:55:21,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-27 21:55:21,516 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-27 21:55:21,518 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-27 21:55:21,518 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-27 21:55:21,522 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-27 21:55:21,523 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 09:55:21" (1/2) ... [2024-06-27 21:55:21,524 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2300f766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 09:55:21, skipping insertion in model container [2024-06-27 21:55:21,524 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 09:55:21" (1/2) ... [2024-06-27 21:55:21,526 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@537f2fc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 09:55:21, skipping insertion in model container [2024-06-27 21:55:21,526 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 09:55:21" (2/2) ... [2024-06-27 21:55:21,528 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2300f766 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 09:55:21, skipping insertion in model container [2024-06-27 21:55:21,528 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 09:55:21" (2/2) ... [2024-06-27 21:55:21,528 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-27 21:55:21,620 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-27 21:55:21,621 INFO L97 edCorrectnessWitness]: Location invariant before [L6862-L6862] ! multithreaded || ((((((-4LL + (long long )default_alloc_size) + (long long )nvram_len >= 0LL && (2147483648LL + (long long )nvram_len) + (long long )whoop_int >= 0LL) && (0LL - (long long )jiffies) + (long long )nvram_len >= 0LL) && (4LL - (long long )default_alloc_size) + (long long )nvram_len >= 0LL) && (long long )jiffies + (long long )nvram_len >= 0LL) && (2147483647LL + (long long )nvram_len) - (long long )whoop_int >= 0LL) [2024-06-27 21:55:21,621 INFO L97 edCorrectnessWitness]: Location invariant before [L6863-L6863] ! multithreaded || ((((((-4LL + (long long )default_alloc_size) + (long long )nvram_len >= 0LL && (2147483648LL + (long long )nvram_len) + (long long )whoop_int >= 0LL) && (0LL - (long long )jiffies) + (long long )nvram_len >= 0LL) && (4LL - (long long )default_alloc_size) + (long long )nvram_len >= 0LL) && (long long )jiffies + (long long )nvram_len >= 0LL) && (2147483647LL + (long long )nvram_len) - (long long )whoop_int >= 0LL) [2024-06-27 21:55:21,621 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-27 21:55:21,622 INFO L106 edCorrectnessWitness]: ghost_update [L6861-L6861] multithreaded = 1; [2024-06-27 21:55:21,721 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-27 21:55:22,081 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2024-06-27 21:55:25,647 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 21:55:25,683 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-06-27 21:55:25,724 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-27 21:55:25,733 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2024-06-27 21:55:25,955 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 21:55:25,968 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-06-27 21:55:26,020 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2024-06-27 21:55:26,163 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2024-06-27 21:55:26,165 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2024-06-27 21:55:26,166 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2024-06-27 21:55:26,166 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2024-06-27 21:55:26,275 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] Start Parsing Local Start Parsing Local Start Parsing Local [2024-06-27 21:55:26,339 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 21:55:27,200 ERROR L334 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-06-27 21:55:27,201 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@537f2fc3 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 09:55:27, skipping insertion in model container [2024-06-27 21:55:27,201 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-27 21:55:27,201 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-06-27 21:55:27,203 INFO L158 Benchmark]: Toolchain (without parser) took 5685.94ms. Allocated memory was 71.3MB in the beginning and 195.0MB in the end (delta: 123.7MB). Free memory was 37.3MB in the beginning and 55.7MB in the end (delta: -18.4MB). Peak memory consumption was 118.2MB. Max. memory is 16.1GB. [2024-06-27 21:55:27,204 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 71.3MB. Free memory is still 52.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-27 21:55:27,205 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 71.3MB. Free memory is still 40.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-27 21:55:27,205 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5683.60ms. Allocated memory was 71.3MB in the beginning and 195.0MB in the end (delta: 123.7MB). Free memory was 37.1MB in the beginning and 55.7MB in the end (delta: -18.6MB). Peak memory consumption was 118.2MB. Max. memory is 16.1GB. [2024-06-27 21:55:27,208 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 71.3MB. Free memory is still 52.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.18ms. Allocated memory is still 71.3MB. Free memory is still 40.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5683.60ms. Allocated memory was 71.3MB in the beginning and 195.0MB in the end (delta: 123.7MB). Free memory was 37.1MB in the beginning and 55.7MB in the end (delta: -18.6MB). Peak memory consumption was 118.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 5814]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] - UnsupportedSyntaxResult [Line: -1]: Unsupported Syntax The following functions are not defined or handled internally: ____ilog2_NaN 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: UNKNOWN