./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.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_read_nvram_nvram_unlocked_ioctl.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_read_nvram_nvram_unlocked_ioctl.i ./goblint.2024-06-19_11-23-25.files/mutex-meet-rel/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.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 21:55:10,558 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-27 21:55:10,597 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-27 21:55:10,600 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-27 21:55:10,601 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-27 21:55:10,625 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-27 21:55:10,625 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-27 21:55:10,626 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-27 21:55:10,626 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-27 21:55:10,626 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-27 21:55:10,627 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-27 21:55:10,627 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-27 21:55:10,627 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-27 21:55:10,628 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-27 21:55:10,628 INFO L153 SettingsManager]: * Use SBE=true [2024-06-27 21:55:10,628 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-27 21:55:10,628 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-27 21:55:10,629 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-27 21:55:10,629 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-27 21:55:10,629 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-27 21:55:10,629 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-27 21:55:10,630 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-27 21:55:10,630 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-27 21:55:10,630 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-27 21:55:10,630 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-27 21:55:10,631 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-27 21:55:10,631 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-27 21:55:10,631 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-27 21:55:10,631 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-27 21:55:10,632 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-27 21:55:10,632 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-27 21:55:10,632 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-27 21:55:10,632 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-27 21:55:10,633 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-27 21:55:10,633 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-27 21:55:10,633 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-27 21:55:10,648 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-27 21:55:10,648 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-27 21:55:10,648 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-27 21:55:10,649 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-27 21:55:10,649 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-27 21:55:10,649 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-27 21:55:10,649 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-27 21:55:10,649 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-06-27 21:55:10,889 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-27 21:55:10,917 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-27 21:55:10,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-27 21:55:10,920 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-27 21:55:10,924 INFO L274 PluginConnector]: CDTParser initialized [2024-06-27 21:55:10,925 INFO L431 ainManager$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 [2024-06-27 21:55:12,030 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-27 21:55:12,356 INFO L384 CDTParser]: Found 1 translation units. [2024-06-27 21:55:12,357 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-06-27 21:55:12,392 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/078a07eb9/2618bab718cd49c6b88c806844770fcf/FLAGd0ae15cc3 [2024-06-27 21:55:12,401 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/078a07eb9/2618bab718cd49c6b88c806844770fcf [2024-06-27 21:55:12,403 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-27 21:55:12,403 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-27 21:55:12,403 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-06-19_11-23-25.files/mutex-meet-rel/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.yml/witness.yml [2024-06-27 21:55:12,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-27 21:55:12,471 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-27 21:55:12,472 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-27 21:55:12,472 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-27 21:55:12,476 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-27 21:55:12,476 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 09:55:12" (1/2) ... [2024-06-27 21:55:12,477 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25e041d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 09:55:12, skipping insertion in model container [2024-06-27 21:55:12,477 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 09:55:12" (1/2) ... [2024-06-27 21:55:12,478 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5715832c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 09:55:12, skipping insertion in model container [2024-06-27 21:55:12,478 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 09:55:12" (2/2) ... [2024-06-27 21:55:12,480 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25e041d4 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 09:55:12, skipping insertion in model container [2024-06-27 21:55:12,480 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 09:55:12" (2/2) ... [2024-06-27 21:55:12,480 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-27 21:55:12,562 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-27 21:55:12,563 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 21:55:12,563 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 21:55:12,563 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-27 21:55:12,563 INFO L106 edCorrectnessWitness]: ghost_update [L6861-L6861] multithreaded = 1; [2024-06-27 21:55:12,660 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-27 21:55:12,874 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_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2024-06-27 21:55:15,194 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 21:55:15,209 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-06-27 21:55:15,249 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_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2024-06-27 21:55:15,328 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 21:55:15,330 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 21:55:15,330 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 21:55:15,330 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 21:55:15,437 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 21:55:15,476 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 21:55:15,782 ERROR L334 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-06-27 21:55:15,785 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5715832c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 09:55:15, skipping insertion in model container [2024-06-27 21:55:15,785 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-27 21:55:15,785 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-06-27 21:55:15,787 INFO L158 Benchmark]: Toolchain (without parser) took 3314.84ms. Allocated memory was 148.9MB in the beginning and 255.9MB in the end (delta: 107.0MB). Free memory was 66.2MB in the beginning and 105.6MB in the end (delta: -39.4MB). Peak memory consumption was 73.7MB. Max. memory is 16.1GB. [2024-06-27 21:55:15,788 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 78.1MB in the end (delta: 156.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-27 21:55:15,788 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 148.9MB. Free memory is still 68.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-27 21:55:15,789 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3312.93ms. Allocated memory was 148.9MB in the beginning and 255.9MB in the end (delta: 107.0MB). Free memory was 66.0MB in the beginning and 105.6MB in the end (delta: -39.7MB). Peak memory consumption was 73.7MB. Max. memory is 16.1GB. [2024-06-27 21:55:15,791 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 78.1MB in the end (delta: 156.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 148.9MB. Free memory is still 68.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3312.93ms. Allocated memory was 148.9MB in the beginning and 255.9MB in the end (delta: 107.0MB). Free memory was 66.0MB in the beginning and 105.6MB in the end (delta: -39.7MB). Peak memory consumption was 73.7MB. 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_read_nvram_nvram_unlocked_ioctl.i ./goblint.2024-06-19_11-23-25.files/mutex-meet-rel/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.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 21:55:17,661 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-27 21:55:17,737 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-06-27 21:55:17,742 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-27 21:55:17,742 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-27 21:55:17,774 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-27 21:55:17,775 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-27 21:55:17,775 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-27 21:55:17,776 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-27 21:55:17,779 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-27 21:55:17,779 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-27 21:55:17,779 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-27 21:55:17,780 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-27 21:55:17,781 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-27 21:55:17,781 INFO L153 SettingsManager]: * Use SBE=true [2024-06-27 21:55:17,781 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-27 21:55:17,782 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-27 21:55:17,782 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-27 21:55:17,782 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-27 21:55:17,782 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-27 21:55:17,782 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-27 21:55:17,783 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-27 21:55:17,783 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-27 21:55:17,784 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-06-27 21:55:17,784 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-06-27 21:55:17,784 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-27 21:55:17,784 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-06-27 21:55:17,784 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-27 21:55:17,785 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-27 21:55:17,785 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-27 21:55:17,786 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-27 21:55:17,786 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-27 21:55:17,786 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-27 21:55:17,786 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-27 21:55:17,786 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-27 21:55:17,787 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-27 21:55:17,796 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-27 21:55:17,796 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-27 21:55:17,797 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-06-27 21:55:17,797 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-06-27 21:55:17,797 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-27 21:55:17,797 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-27 21:55:17,797 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-27 21:55:17,798 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-27 21:55:17,798 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-27 21:55:17,798 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-06-27 21:55:17,798 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-06-27 21:55:18,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-27 21:55:18,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-27 21:55:18,064 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-27 21:55:18,065 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-27 21:55:18,066 INFO L274 PluginConnector]: CDTParser initialized [2024-06-27 21:55:18,066 INFO L431 ainManager$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 [2024-06-27 21:55:19,172 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-27 21:55:19,601 INFO L384 CDTParser]: Found 1 translation units. [2024-06-27 21:55:19,602 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-06-27 21:55:19,636 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d331f42a8/5b1744505aca46bcae71fe23946a2e3f/FLAG6f8531750 [2024-06-27 21:55:19,649 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d331f42a8/5b1744505aca46bcae71fe23946a2e3f [2024-06-27 21:55:19,651 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-27 21:55:19,651 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-27 21:55:19,653 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-06-19_11-23-25.files/mutex-meet-rel/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.yml/witness.yml [2024-06-27 21:55:19,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-27 21:55:19,730 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-27 21:55:19,731 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-27 21:55:19,731 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-27 21:55:19,735 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-27 21:55:19,735 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 09:55:19" (1/2) ... [2024-06-27 21:55:19,736 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aafca68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 09:55:19, skipping insertion in model container [2024-06-27 21:55:19,736 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 09:55:19" (1/2) ... [2024-06-27 21:55:19,737 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@46aeb26a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 09:55:19, skipping insertion in model container [2024-06-27 21:55:19,737 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 09:55:19" (2/2) ... [2024-06-27 21:55:19,739 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aafca68 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 09:55:19, skipping insertion in model container [2024-06-27 21:55:19,739 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 09:55:19" (2/2) ... [2024-06-27 21:55:19,739 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-27 21:55:19,790 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-27 21:55:19,791 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 21:55:19,791 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 21:55:19,791 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-27 21:55:19,792 INFO L106 edCorrectnessWitness]: ghost_update [L6861-L6861] multithreaded = 1; [2024-06-27 21:55:19,870 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-27 21:55:20,127 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_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2024-06-27 21:55:22,515 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 21:55:22,528 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-06-27 21:55:22,558 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-27 21:55:22,565 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_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2024-06-27 21:55:22,774 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 21:55:22,779 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-06-27 21:55:22,817 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_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2024-06-27 21:55:22,923 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 21:55:22,924 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 21:55:22,925 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 21:55:22,925 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 21:55:23,008 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 21:55:23,055 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 21:55:23,546 ERROR L334 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-06-27 21:55:23,546 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@46aeb26a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 09:55:23, skipping insertion in model container [2024-06-27 21:55:23,546 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-27 21:55:23,547 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-06-27 21:55:23,548 INFO L158 Benchmark]: Toolchain (without parser) took 3817.22ms. Allocated memory was 58.7MB in the beginning and 237.0MB in the end (delta: 178.3MB). Free memory was 35.1MB in the beginning and 167.1MB in the end (delta: -132.0MB). Peak memory consumption was 143.9MB. Max. memory is 16.1GB. [2024-06-27 21:55:23,548 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 48.2MB. Free memory was 23.4MB in the beginning and 23.4MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-27 21:55:23,549 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 58.7MB. Free memory is still 27.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-27 21:55:23,549 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3815.36ms. Allocated memory was 58.7MB in the beginning and 237.0MB in the end (delta: 178.3MB). Free memory was 35.0MB in the beginning and 167.1MB in the end (delta: -132.2MB). Peak memory consumption was 143.9MB. Max. memory is 16.1GB. [2024-06-27 21:55:23,550 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 48.2MB. Free memory was 23.4MB in the beginning and 23.4MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.11ms. Allocated memory is still 58.7MB. Free memory is still 27.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3815.36ms. Allocated memory was 58.7MB in the beginning and 237.0MB in the end (delta: 178.3MB). Free memory was 35.0MB in the beginning and 167.1MB in the end (delta: -132.2MB). Peak memory consumption was 143.9MB. 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