./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 --cacsl2boogietranslator.check.unreachability.of.reach_error.function 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 --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-7724a2d-m [2024-06-27 23:02:14,712 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-27 23:02:14,772 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-27 23:02:14,777 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-27 23:02:14,777 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-27 23:02:14,826 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-27 23:02:14,827 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-27 23:02:14,827 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-27 23:02:14,827 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-27 23:02:14,831 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-27 23:02:14,831 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-27 23:02:14,831 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-27 23:02:14,832 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-27 23:02:14,833 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-27 23:02:14,834 INFO L153 SettingsManager]: * Use SBE=true [2024-06-27 23:02:14,834 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-27 23:02:14,834 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-27 23:02:14,834 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-27 23:02:14,834 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-27 23:02:14,835 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-27 23:02:14,836 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-27 23:02:14,836 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-27 23:02:14,836 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-27 23:02:14,837 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-27 23:02:14,837 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-27 23:02:14,837 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-27 23:02:14,837 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-27 23:02:14,837 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-27 23:02:14,838 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-27 23:02:14,838 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-27 23:02:14,839 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-27 23:02:14,839 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-27 23:02:14,839 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-27 23:02:14,839 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-27 23:02:14,840 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-27 23:02:14,840 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-27 23:02:14,840 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-27 23:02:14,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-27 23:02:14,840 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-27 23:02:14,841 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-27 23:02:14,841 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-27 23:02:14,841 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-27 23:02:14,841 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-27 23:02:14,841 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-27 23:02:15,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-27 23:02:15,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-27 23:02:15,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-27 23:02:15,079 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-27 23:02:15,080 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-27 23:02:15,081 INFO L431 ainManager$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 23:02:15,157 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-27 23:02:15,157 INFO L274 PluginConnector]: CDTParser initialized [2024-06-27 23:02:15,158 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-06-27 23:02:16,134 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-27 23:02:16,497 INFO L384 CDTParser]: Found 1 translation units. [2024-06-27 23:02:16,497 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-06-27 23:02:16,530 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85794a55b/60792352cfab4a0db09c8811134d579f/FLAGc2114cde9 [2024-06-27 23:02:16,543 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85794a55b/60792352cfab4a0db09c8811134d579f [2024-06-27 23:02:16,543 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-27 23:02:16,544 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-27 23:02:16,546 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-27 23:02:16,546 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-27 23:02:16,550 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-27 23:02:16,550 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 11:02:15" (1/2) ... [2024-06-27 23:02:16,551 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43211559 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 11:02:16, skipping insertion in model container [2024-06-27 23:02:16,551 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 11:02:15" (1/2) ... [2024-06-27 23:02:16,552 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6633ad57 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 11:02:16, skipping insertion in model container [2024-06-27 23:02:16,553 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 11:02:16" (2/2) ... [2024-06-27 23:02:16,554 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43211559 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 11:02:16, skipping insertion in model container [2024-06-27 23:02:16,555 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 11:02:16" (2/2) ... [2024-06-27 23:02:16,555 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-27 23:02:16,612 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-27 23:02:16,613 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 23:02:16,613 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 23:02:16,614 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-27 23:02:16,614 INFO L106 edCorrectnessWitness]: ghost_update [L6861-L6861] multithreaded = 1; [2024-06-27 23:02:16,697 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-27 23:02:19,522 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 23:02:19,532 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-06-27 23:02:19,664 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 23:02:19,666 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 23:02:19,666 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 23:02:19,666 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 23:02:19,803 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 23:02:19,840 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 23:02:20,211 ERROR L334 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-06-27 23:02:20,211 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6633ad57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 11:02:20, skipping insertion in model container [2024-06-27 23:02:20,212 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-27 23:02:20,212 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-06-27 23:02:20,213 INFO L158 Benchmark]: Toolchain (without parser) took 3668.54ms. Allocated memory was 167.8MB in the beginning and 281.0MB in the end (delta: 113.2MB). Free memory was 106.3MB in the beginning and 127.2MB in the end (delta: -20.9MB). Peak memory consumption was 105.6MB. Max. memory is 16.1GB. [2024-06-27 23:02:20,214 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 167.8MB. Free memory is still 135.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-27 23:02:20,214 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 167.8MB. Free memory is still 132.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-27 23:02:20,214 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3665.71ms. Allocated memory was 167.8MB in the beginning and 281.0MB in the end (delta: 113.2MB). Free memory was 106.3MB in the beginning and 127.2MB in the end (delta: -20.9MB). Peak memory consumption was 105.6MB. Max. memory is 16.1GB. [2024-06-27 23:02:20,215 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.16ms. Allocated memory is still 167.8MB. Free memory is still 135.1MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.15ms. Allocated memory is still 167.8MB. Free memory is still 132.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3665.71ms. Allocated memory was 167.8MB in the beginning and 281.0MB in the end (delta: 113.2MB). Free memory was 106.3MB in the beginning and 127.2MB in the end (delta: -20.9MB). Peak memory consumption was 105.6MB. 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 --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-7724a2d-m [2024-06-27 23:02:21,871 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-27 23:02:21,930 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-06-27 23:02:21,944 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-27 23:02:21,945 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-27 23:02:21,974 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-27 23:02:21,975 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-27 23:02:21,975 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-27 23:02:21,975 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-27 23:02:21,978 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-27 23:02:21,979 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-27 23:02:21,979 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-27 23:02:21,979 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-27 23:02:21,980 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-27 23:02:21,981 INFO L153 SettingsManager]: * Use SBE=true [2024-06-27 23:02:21,981 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-27 23:02:21,981 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-27 23:02:21,981 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-27 23:02:21,982 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-27 23:02:21,982 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-27 23:02:21,982 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-27 23:02:21,983 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-27 23:02:21,983 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-27 23:02:21,983 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-06-27 23:02:21,983 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-06-27 23:02:21,984 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-27 23:02:21,984 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-06-27 23:02:21,984 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-27 23:02:21,984 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-27 23:02:21,984 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-27 23:02:21,985 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-27 23:02:21,986 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-27 23:02:21,986 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-27 23:02:21,986 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-27 23:02:21,986 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-27 23:02:21,986 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-27 23:02:21,987 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-27 23:02:21,987 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-27 23:02:21,987 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-06-27 23:02:21,987 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-06-27 23:02:21,988 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-27 23:02:21,988 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-27 23:02:21,988 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-27 23:02:21,988 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-27 23:02:21,988 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-27 23:02:21,989 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-06-27 23:02:21,989 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-27 23:02:22,294 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-27 23:02:22,311 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-27 23:02:22,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-27 23:02:22,314 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-27 23:02:22,315 INFO L274 PluginConnector]: CDTParser initialized [2024-06-27 23:02:22,317 INFO L431 ainManager$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 23:02:23,347 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-27 23:02:23,741 INFO L384 CDTParser]: Found 1 translation units. [2024-06-27 23:02:23,742 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 23:02:23,769 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ace2e818/670a76f101714748a3a545c31efd23c6/FLAGc4a2123ca [2024-06-27 23:02:23,779 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ace2e818/670a76f101714748a3a545c31efd23c6 [2024-06-27 23:02:23,781 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-27 23:02:23,782 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-27 23:02:23,782 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-06-19_11-23-25.files/mutex-meet-rel/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.yml/witness.yml [2024-06-27 23:02:23,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-27 23:02:23,831 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-27 23:02:23,832 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-27 23:02:23,832 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-27 23:02:23,835 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-27 23:02:23,836 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 11:02:23" (1/2) ... [2024-06-27 23:02:23,837 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@225cac51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 11:02:23, skipping insertion in model container [2024-06-27 23:02:23,837 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 11:02:23" (1/2) ... [2024-06-27 23:02:23,838 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3857f1b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 11:02:23, skipping insertion in model container [2024-06-27 23:02:23,838 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 11:02:23" (2/2) ... [2024-06-27 23:02:23,838 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@225cac51 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 11:02:23, skipping insertion in model container [2024-06-27 23:02:23,839 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 11:02:23" (2/2) ... [2024-06-27 23:02:23,839 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-27 23:02:23,899 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-27 23:02:23,900 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 23:02:23,900 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 23:02:23,901 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-27 23:02:23,901 INFO L106 edCorrectnessWitness]: ghost_update [L6861-L6861] multithreaded = 1; [2024-06-27 23:02:23,977 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-27 23:02:26,714 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 23:02:26,738 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-06-27 23:02:26,763 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-27 23:02:26,946 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 23:02:26,956 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-06-27 23:02:27,099 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 23:02:27,101 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 23:02:27,101 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 23:02:27,102 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 23:02:27,194 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 23:02:27,240 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 23:02:27,673 ERROR L334 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-06-27 23:02:27,674 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3857f1b7 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 11:02:27, skipping insertion in model container [2024-06-27 23:02:27,674 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-27 23:02:27,674 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-06-27 23:02:27,676 INFO L158 Benchmark]: Toolchain (without parser) took 3843.96ms. Allocated memory was 71.3MB in the beginning and 174.1MB in the end (delta: 102.8MB). Free memory was 38.3MB in the beginning and 105.9MB in the end (delta: -67.6MB). Peak memory consumption was 111.3MB. Max. memory is 16.1GB. [2024-06-27 23:02:27,676 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 71.3MB. Free memory is still 52.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-27 23:02:27,676 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 71.3MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-27 23:02:27,677 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3842.32ms. Allocated memory was 71.3MB in the beginning and 174.1MB in the end (delta: 102.8MB). Free memory was 38.1MB in the beginning and 105.9MB in the end (delta: -67.8MB). Peak memory consumption was 111.3MB. Max. memory is 16.1GB. [2024-06-27 23:02:27,679 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 71.3MB. Free memory is still 52.1MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 71.3MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3842.32ms. Allocated memory was 71.3MB in the beginning and 174.1MB in the end (delta: 102.8MB). Free memory was 38.1MB in the beginning and 105.9MB in the end (delta: -67.8MB). Peak memory consumption was 111.3MB. 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