./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.2024-05-07_14-17-48.files/protection/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b44c8288 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.2024-05-07_14-17-48.files/protection/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-wip.fs.witness-ghost-b44c828-m [2024-05-12 12:51:08,695 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-12 12:51:08,756 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-05-12 12:51:08,761 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-12 12:51:08,761 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-12 12:51:08,790 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-12 12:51:08,791 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-12 12:51:08,791 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-12 12:51:08,792 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-05-12 12:51:08,795 INFO L153 SettingsManager]: * Use memory slicer=true [2024-05-12 12:51:08,795 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-12 12:51:08,795 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-12 12:51:08,797 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-12 12:51:08,798 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-12 12:51:08,798 INFO L153 SettingsManager]: * Use SBE=true [2024-05-12 12:51:08,798 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-12 12:51:08,798 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-12 12:51:08,799 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-12 12:51:08,799 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-12 12:51:08,799 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-12 12:51:08,799 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-12 12:51:08,800 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-12 12:51:08,800 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-12 12:51:08,800 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-12 12:51:08,800 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-05-12 12:51:08,801 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-12 12:51:08,801 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-12 12:51:08,801 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-12 12:51:08,802 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-12 12:51:08,802 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-12 12:51:08,803 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-05-12 12:51:08,803 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-12 12:51:08,803 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-05-12 12:51:08,803 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-12 12:51:08,803 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-12 12:51:08,804 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-12 12:51:08,804 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-12 12:51:08,804 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-12 12:51:08,804 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-12 12:51:08,804 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-05-12 12:51:08,805 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-12 12:51:08,805 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-05-12 12:51:08,805 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-05-12 12:51:08,805 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-05-12 12:51:09,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-12 12:51:09,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-12 12:51:09,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-12 12:51:09,063 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-12 12:51:09,064 INFO L274 PluginConnector]: CDTParser initialized [2024-05-12 12:51:09,065 INFO L431 ainManager$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 [2024-05-12 12:51:10,144 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-12 12:51:10,518 INFO L384 CDTParser]: Found 1 translation units. [2024-05-12 12:51:10,519 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-05-12 12:51:10,551 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8271b7e4d/bd7576bca8fc4127b39ed0f95a7879d0/FLAG37c3bdf58 [2024-05-12 12:51:10,568 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8271b7e4d/bd7576bca8fc4127b39ed0f95a7879d0 [2024-05-12 12:51:10,570 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-05-12 12:51:10,571 INFO L274 PluginConnector]: Witness Parser initialized [2024-05-12 12:51:10,573 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-05-07_14-17-48.files/protection/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.yml/witness.yml [2024-05-12 12:51:10,685 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-12 12:51:10,686 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-12 12:51:10,687 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-12 12:51:10,687 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-12 12:51:10,690 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-12 12:51:10,691 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.05 12:51:10" (1/2) ... [2024-05-12 12:51:10,691 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51424dc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.05 12:51:10, skipping insertion in model container [2024-05-12 12:51:10,691 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.05 12:51:10" (1/2) ... [2024-05-12 12:51:10,693 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@9db0255 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.05 12:51:10, skipping insertion in model container [2024-05-12 12:51:10,693 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.05 12:51:10" (2/2) ... [2024-05-12 12:51:10,695 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51424dc0 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.05 12:51:10, skipping insertion in model container [2024-05-12 12:51:10,695 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.05 12:51:10" (2/2) ... [2024-05-12 12:51:10,695 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-05-12 12:51:10,821 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-05-12 12:51:10,822 INFO L97 edCorrectnessWitness]: Location invariant before [L6862-L6862] ((((! multithreaded || jiffies == 0UL) && (! multithreaded || ((((((((((((((((((((((((nvram_fops.check_flags == 0 && nvram_fops.compat_ioctl == 0) && nvram_fops.dir_notify == 0) && nvram_fops.fasync == 0) && nvram_fops.flock == 0) && nvram_fops.flush == 0) && nvram_fops.fsync == 0) && nvram_fops.get_unmapped_area == 0) && nvram_fops.ioctl == 0) && nvram_fops.llseek == & nvram_llseek) && nvram_fops.lock == 0) && nvram_fops.mmap == 0) && nvram_fops.open == 0) && nvram_fops.open_exec == 0) && nvram_fops.owner == 0) && nvram_fops.poll == 0) && nvram_fops.read == & read_nvram) && nvram_fops.readdir == 0) && nvram_fops.readv == 0) && nvram_fops.release == 0) && nvram_fops.sendfile == 0) && nvram_fops.sendpage == 0) && nvram_fops.unlocked_ioctl == & nvram_unlocked_ioctl) && nvram_fops.write == & write_nvram) && nvram_fops.writev == 0))) && (! multithreaded || (unsigned int )default_alloc_size == 4U)) && (! multithreaded || _whoop_exit == & nvram_cleanup)) && (! multithreaded || _whoop_init == & nvram_init) [2024-05-12 12:51:10,822 INFO L97 edCorrectnessWitness]: Location invariant before [L6863-L6863] ((((! multithreaded || jiffies == 0UL) && (! multithreaded || ((((((((((((((((((((((((nvram_fops.check_flags == 0 && nvram_fops.compat_ioctl == 0) && nvram_fops.dir_notify == 0) && nvram_fops.fasync == 0) && nvram_fops.flock == 0) && nvram_fops.flush == 0) && nvram_fops.fsync == 0) && nvram_fops.get_unmapped_area == 0) && nvram_fops.ioctl == 0) && nvram_fops.llseek == & nvram_llseek) && nvram_fops.lock == 0) && nvram_fops.mmap == 0) && nvram_fops.open == 0) && nvram_fops.open_exec == 0) && nvram_fops.owner == 0) && nvram_fops.poll == 0) && nvram_fops.read == & read_nvram) && nvram_fops.readdir == 0) && nvram_fops.readv == 0) && nvram_fops.release == 0) && nvram_fops.sendfile == 0) && nvram_fops.sendpage == 0) && nvram_fops.unlocked_ioctl == & nvram_unlocked_ioctl) && nvram_fops.write == & write_nvram) && nvram_fops.writev == 0))) && (! multithreaded || (unsigned int )default_alloc_size == 4U)) && (! multithreaded || _whoop_exit == & nvram_cleanup)) && (! multithreaded || _whoop_init == & nvram_init) [2024-05-12 12:51:10,823 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-05-12 12:51:10,823 INFO L106 edCorrectnessWitness]: ghost_update [L6861-L6861] multithreaded = 1; [2024-05-12 12:51:10,892 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-12 12:51:11,146 WARN L246 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] [2024-05-12 12:51:13,428 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-05-12 12:51:13,437 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-05-12 12:51:13,469 WARN L246 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] [2024-05-12 12:51:13,544 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] [2024-05-12 12:51:13,546 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] [2024-05-12 12:51:13,546 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] [2024-05-12 12:51:13,547 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] [2024-05-12 12:51:13,636 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] Start Parsing Local Start Parsing Local [2024-05-12 12:51:13,695 ERROR L334 MainTranslator]: Incorrect Syntax: Undeclared variable in ACSL expression: nvram_llseek [2024-05-12 12:51:13,696 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@9db0255 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.05 12:51:13, skipping insertion in model container [2024-05-12 12:51:13,696 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-12 12:51:13,696 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-05-12 12:51:13,698 INFO L158 Benchmark]: Toolchain (without parser) took 3011.45ms. Allocated memory is still 209.7MB. Free memory was 175.4MB in the beginning and 87.3MB in the end (delta: 88.1MB). Peak memory consumption was 96.5MB. Max. memory is 16.1GB. [2024-05-12 12:51:13,698 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 167.8MB. Free memory is still 120.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-05-12 12:51:13,699 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 167.8MB. Free memory was 83.7MB in the beginning and 83.7MB in the end (delta: 38.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-05-12 12:51:13,699 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3009.80ms. Allocated memory is still 209.7MB. Free memory was 175.4MB in the beginning and 87.3MB in the end (delta: 88.1MB). Peak memory consumption was 96.5MB. Max. memory is 16.1GB. [2024-05-12 12:51:13,701 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 167.8MB. Free memory is still 120.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 167.8MB. Free memory was 83.7MB in the beginning and 83.7MB in the end (delta: 38.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3009.80ms. Allocated memory is still 209.7MB. Free memory was 175.4MB in the beginning and 87.3MB in the end (delta: 88.1MB). Peak memory consumption was 96.5MB. 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] - SyntaxErrorResult [Line: 6862]: Incorrect Syntax Undeclared variable in ACSL expression: nvram_llseek RESULT: Ultimate could not prove your program: Incorrect Syntax 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.2024-05-07_14-17-48.files/protection/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-wip.fs.witness-ghost-b44c828-m [2024-05-12 12:51:15,509 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-12 12:51:15,584 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-05-12 12:51:15,588 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-12 12:51:15,589 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-12 12:51:15,620 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-12 12:51:15,621 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-12 12:51:15,621 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-12 12:51:15,622 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-05-12 12:51:15,625 INFO L153 SettingsManager]: * Use memory slicer=true [2024-05-12 12:51:15,625 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-12 12:51:15,625 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-12 12:51:15,625 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-12 12:51:15,626 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-12 12:51:15,627 INFO L153 SettingsManager]: * Use SBE=true [2024-05-12 12:51:15,627 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-12 12:51:15,627 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-12 12:51:15,627 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-12 12:51:15,628 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-12 12:51:15,628 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-12 12:51:15,628 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-12 12:51:15,629 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-12 12:51:15,629 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-12 12:51:15,629 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-05-12 12:51:15,629 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-05-12 12:51:15,630 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-05-12 12:51:15,630 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-05-12 12:51:15,630 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-12 12:51:15,630 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-12 12:51:15,630 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-12 12:51:15,631 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-12 12:51:15,632 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-12 12:51:15,632 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-05-12 12:51:15,632 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-12 12:51:15,632 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-05-12 12:51:15,632 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-12 12:51:15,633 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-12 12:51:15,633 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-12 12:51:15,633 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-05-12 12:51:15,633 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-05-12 12:51:15,633 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-12 12:51:15,634 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-05-12 12:51:15,634 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-12 12:51:15,634 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-05-12 12:51:15,634 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-05-12 12:51:15,634 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-05-12 12:51:15,635 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-05-12 12:51:15,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-12 12:51:15,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-12 12:51:15,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-12 12:51:15,898 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-12 12:51:15,899 INFO L274 PluginConnector]: CDTParser initialized [2024-05-12 12:51:15,900 INFO L431 ainManager$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 [2024-05-12 12:51:17,021 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-12 12:51:17,346 INFO L384 CDTParser]: Found 1 translation units. [2024-05-12 12:51:17,347 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-05-12 12:51:17,377 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e623c8a6/3e1d96fedf184c4e81f7afad9dd757f2/FLAG1c5aabaa7 [2024-05-12 12:51:17,389 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e623c8a6/3e1d96fedf184c4e81f7afad9dd757f2 [2024-05-12 12:51:17,392 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-05-12 12:51:17,392 INFO L274 PluginConnector]: Witness Parser initialized [2024-05-12 12:51:17,393 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-05-07_14-17-48.files/protection/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.yml/witness.yml [2024-05-12 12:51:17,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-12 12:51:17,480 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-12 12:51:17,481 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-12 12:51:17,481 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-12 12:51:17,484 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-12 12:51:17,484 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.05 12:51:17" (1/2) ... [2024-05-12 12:51:17,485 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1343687e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.05 12:51:17, skipping insertion in model container [2024-05-12 12:51:17,485 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.05 12:51:17" (1/2) ... [2024-05-12 12:51:17,486 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6a54479d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.05 12:51:17, skipping insertion in model container [2024-05-12 12:51:17,486 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.05 12:51:17" (2/2) ... [2024-05-12 12:51:17,488 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1343687e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.05 12:51:17, skipping insertion in model container [2024-05-12 12:51:17,489 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.05 12:51:17" (2/2) ... [2024-05-12 12:51:17,489 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-05-12 12:51:17,650 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-05-12 12:51:17,650 INFO L97 edCorrectnessWitness]: Location invariant before [L6863-L6863] ((((! multithreaded || jiffies == 0UL) && (! multithreaded || ((((((((((((((((((((((((nvram_fops.check_flags == 0 && nvram_fops.compat_ioctl == 0) && nvram_fops.dir_notify == 0) && nvram_fops.fasync == 0) && nvram_fops.flock == 0) && nvram_fops.flush == 0) && nvram_fops.fsync == 0) && nvram_fops.get_unmapped_area == 0) && nvram_fops.ioctl == 0) && nvram_fops.llseek == & nvram_llseek) && nvram_fops.lock == 0) && nvram_fops.mmap == 0) && nvram_fops.open == 0) && nvram_fops.open_exec == 0) && nvram_fops.owner == 0) && nvram_fops.poll == 0) && nvram_fops.read == & read_nvram) && nvram_fops.readdir == 0) && nvram_fops.readv == 0) && nvram_fops.release == 0) && nvram_fops.sendfile == 0) && nvram_fops.sendpage == 0) && nvram_fops.unlocked_ioctl == & nvram_unlocked_ioctl) && nvram_fops.write == & write_nvram) && nvram_fops.writev == 0))) && (! multithreaded || (unsigned int )default_alloc_size == 4U)) && (! multithreaded || _whoop_exit == & nvram_cleanup)) && (! multithreaded || _whoop_init == & nvram_init) [2024-05-12 12:51:17,651 INFO L97 edCorrectnessWitness]: Location invariant before [L6862-L6862] ((((! multithreaded || jiffies == 0UL) && (! multithreaded || ((((((((((((((((((((((((nvram_fops.check_flags == 0 && nvram_fops.compat_ioctl == 0) && nvram_fops.dir_notify == 0) && nvram_fops.fasync == 0) && nvram_fops.flock == 0) && nvram_fops.flush == 0) && nvram_fops.fsync == 0) && nvram_fops.get_unmapped_area == 0) && nvram_fops.ioctl == 0) && nvram_fops.llseek == & nvram_llseek) && nvram_fops.lock == 0) && nvram_fops.mmap == 0) && nvram_fops.open == 0) && nvram_fops.open_exec == 0) && nvram_fops.owner == 0) && nvram_fops.poll == 0) && nvram_fops.read == & read_nvram) && nvram_fops.readdir == 0) && nvram_fops.readv == 0) && nvram_fops.release == 0) && nvram_fops.sendfile == 0) && nvram_fops.sendpage == 0) && nvram_fops.unlocked_ioctl == & nvram_unlocked_ioctl) && nvram_fops.write == & write_nvram) && nvram_fops.writev == 0))) && (! multithreaded || (unsigned int )default_alloc_size == 4U)) && (! multithreaded || _whoop_exit == & nvram_cleanup)) && (! multithreaded || _whoop_init == & nvram_init) [2024-05-12 12:51:17,652 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-05-12 12:51:17,652 INFO L106 edCorrectnessWitness]: ghost_update [L6861-L6861] multithreaded = 1; [2024-05-12 12:51:17,754 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-12 12:51:18,021 WARN L246 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] [2024-05-12 12:51:20,358 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-05-12 12:51:20,388 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-05-12 12:51:20,435 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-12 12:51:20,443 WARN L246 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] [2024-05-12 12:51:20,643 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-05-12 12:51:20,652 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-05-12 12:51:20,689 WARN L246 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] [2024-05-12 12:51:20,788 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] [2024-05-12 12:51:20,790 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] [2024-05-12 12:51:20,791 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] [2024-05-12 12:51:20,791 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] [2024-05-12 12:51:20,891 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] Start Parsing Local Start Parsing Local [2024-05-12 12:51:20,945 ERROR L334 MainTranslator]: Incorrect Syntax: Undeclared variable in ACSL expression: nvram_llseek [2024-05-12 12:51:20,946 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6a54479d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.05 12:51:20, skipping insertion in model container [2024-05-12 12:51:20,946 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-12 12:51:20,946 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-05-12 12:51:20,948 INFO L158 Benchmark]: Toolchain (without parser) took 3467.68ms. Allocated memory was 62.9MB in the beginning and 148.9MB in the end (delta: 86.0MB). Free memory was 27.7MB in the beginning and 66.5MB in the end (delta: -38.8MB). Peak memory consumption was 67.5MB. Max. memory is 16.1GB. [2024-05-12 12:51:20,948 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 50.3MB. Free memory was 26.9MB in the beginning and 26.8MB in the end (delta: 35.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-05-12 12:51:20,949 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 62.9MB. Free memory is still 31.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-05-12 12:51:20,949 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3465.89ms. Allocated memory was 62.9MB in the beginning and 148.9MB in the end (delta: 86.0MB). Free memory was 27.5MB in the beginning and 66.5MB in the end (delta: -39.0MB). Peak memory consumption was 65.4MB. Max. memory is 16.1GB. [2024-05-12 12:51:20,951 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 50.3MB. Free memory was 26.9MB in the beginning and 26.8MB in the end (delta: 35.3kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 62.9MB. Free memory is still 31.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3465.89ms. Allocated memory was 62.9MB in the beginning and 148.9MB in the end (delta: 86.0MB). Free memory was 27.5MB in the beginning and 66.5MB in the end (delta: -39.0MB). Peak memory consumption was 65.4MB. 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] - SyntaxErrorResult [Line: 6862]: Incorrect Syntax Undeclared variable in ACSL expression: nvram_llseek RESULT: Ultimate could not prove your program: Incorrect Syntax Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN