./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i --full-output --validate ./goblint.2024-08-08_07-59-58.files/protection-ghost/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c091e2ee Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i ./goblint.2024-08-08_07-59-58.files/protection-ghost/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-c091e2e-m [2024-08-14 03:20:25,193 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 03:20:25,277 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-14 03:20:25,282 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 03:20:25,283 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 03:20:25,309 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 03:20:25,310 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 03:20:25,310 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 03:20:25,311 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 03:20:25,311 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 03:20:25,312 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 03:20:25,312 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 03:20:25,313 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 03:20:25,315 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 03:20:25,315 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 03:20:25,316 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 03:20:25,316 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 03:20:25,316 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 03:20:25,317 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 03:20:25,317 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 03:20:25,317 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 03:20:25,321 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 03:20:25,321 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 03:20:25,321 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 03:20:25,322 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 03:20:25,322 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 03:20:25,322 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 03:20:25,322 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 03:20:25,323 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 03:20:25,323 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 03:20:25,323 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 03:20:25,323 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 03:20:25,324 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 03:20:25,324 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 03:20:25,324 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 03:20:25,324 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-14 03:20:25,325 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 03:20:25,325 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 03:20:25,325 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-14 03:20:25,326 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 03:20:25,326 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-14 03:20:25,327 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-14 03:20:25,327 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2024-08-14 03:20:25,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 03:20:25,603 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 03:20:25,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 03:20:25,607 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 03:20:25,607 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 03:20:25,608 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2024-08-14 03:20:27,054 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 03:20:27,544 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 03:20:27,545 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2024-08-14 03:20:27,592 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/03c6240cd/d5bd08b1e2444f038e75da6eea69d6ec/FLAG09228c700 [2024-08-14 03:20:27,611 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/03c6240cd/d5bd08b1e2444f038e75da6eea69d6ec [2024-08-14 03:20:27,614 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 03:20:27,615 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 03:20:27,615 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/protection-ghost/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.yml/witness.yml [2024-08-14 03:20:27,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 03:20:27,794 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-14 03:20:27,796 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 03:20:27,797 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 03:20:27,801 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 03:20:27,802 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 03:20:27" (1/2) ... [2024-08-14 03:20:27,803 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@214def18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:20:27, skipping insertion in model container [2024-08-14 03:20:27,803 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 03:20:27" (1/2) ... [2024-08-14 03:20:27,805 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@692eed23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:20:27, skipping insertion in model container [2024-08-14 03:20:27,806 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 03:20:27" (2/2) ... [2024-08-14 03:20:27,806 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@214def18 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 03:20:27, skipping insertion in model container [2024-08-14 03:20:27,806 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 03:20:27" (2/2) ... [2024-08-14 03:20:27,806 INFO L81 nessWitnessExtractor]: Only extracting loop invariants from correctness witness [2024-08-14 03:20:27,848 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-14 03:20:27,851 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-14 03:20:27,852 INFO L106 edCorrectnessWitness]: ghost_update [L6861-L6861] multithreaded = 1; [2024-08-14 03:20:27,937 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-14 03:20:28,277 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2024-08-14 03:20:31,677 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 03:20:31,698 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-08-14 03:20:31,750 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2024-08-14 03:20:31,876 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] [2024-08-14 03:20:31,878 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] [2024-08-14 03:20:31,878 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] [2024-08-14 03:20:31,878 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] [2024-08-14 03:20:31,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] Start Parsing Local [2024-08-14 03:20:32,027 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 03:20:32,427 ERROR L334 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-08-14 03:20:32,428 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@692eed23 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 03:20:32, skipping insertion in model container [2024-08-14 03:20:32,428 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 03:20:32,429 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-08-14 03:20:32,430 INFO L158 Benchmark]: Toolchain (without parser) took 4635.37ms. Allocated memory was 172.0MB in the beginning and 245.4MB in the end (delta: 73.4MB). Free memory was 139.6MB in the beginning and 138.9MB in the end (delta: 682.2kB). Peak memory consumption was 138.4MB. Max. memory is 16.1GB. [2024-08-14 03:20:32,431 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 109.1MB. Free memory is still 71.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 03:20:32,431 INFO L158 Benchmark]: Witness Parser took 0.60ms. Allocated memory is still 172.0MB. Free memory is still 93.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 03:20:32,432 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4632.18ms. Allocated memory was 172.0MB in the beginning and 245.4MB in the end (delta: 73.4MB). Free memory was 139.6MB in the beginning and 138.9MB in the end (delta: 682.2kB). Peak memory consumption was 138.4MB. Max. memory is 16.1GB. [2024-08-14 03:20:32,434 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 109.1MB. Free memory is still 71.9MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.60ms. Allocated memory is still 172.0MB. Free memory is still 93.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4632.18ms. Allocated memory was 172.0MB in the beginning and 245.4MB in the end (delta: 73.4MB). Free memory was 139.6MB in the beginning and 138.9MB in the end (delta: 682.2kB). Peak memory consumption was 138.4MB. 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] - 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/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i ./goblint.2024-08-08_07-59-58.files/protection-ghost/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-c091e2e-m [2024-08-14 03:20:34,565 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 03:20:34,647 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2024-08-14 03:20:34,653 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 03:20:34,653 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 03:20:34,687 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 03:20:34,688 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 03:20:34,688 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 03:20:34,689 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 03:20:34,690 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 03:20:34,691 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 03:20:34,691 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 03:20:34,692 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 03:20:34,694 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 03:20:34,695 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 03:20:34,695 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 03:20:34,695 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 03:20:34,696 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 03:20:34,696 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 03:20:34,696 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 03:20:34,696 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 03:20:34,697 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-08-14 03:20:34,698 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 03:20:34,698 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-08-14 03:20:34,698 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 03:20:34,699 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 03:20:34,699 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 03:20:34,699 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 03:20:34,699 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 03:20:34,700 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 03:20:34,700 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 03:20:34,700 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 03:20:34,701 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 03:20:34,701 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 03:20:34,702 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 03:20:34,702 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-08-14 03:20:34,703 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-14 03:20:34,703 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-08-14 03:20:34,703 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 03:20:34,703 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-14 03:20:34,704 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 03:20:34,704 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-14 03:20:34,704 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-14 03:20:34,705 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 03:20:34,705 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2024-08-14 03:20:35,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 03:20:35,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 03:20:35,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 03:20:35,079 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 03:20:35,081 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 03:20:35,082 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/protection-ghost/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.yml/witness.yml [2024-08-14 03:20:35,204 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 03:20:35,205 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 03:20:35,205 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2024-08-14 03:20:36,803 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 03:20:37,270 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 03:20:37,271 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2024-08-14 03:20:37,349 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/08d1961ad/abb45c5d0f2748558934a44b8841d60b/FLAGe4751c0f2 [2024-08-14 03:20:37,370 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/08d1961ad/abb45c5d0f2748558934a44b8841d60b [2024-08-14 03:20:37,371 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 03:20:37,372 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-14 03:20:37,374 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 03:20:37,375 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 03:20:37,380 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 03:20:37,381 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 03:20:35" (1/2) ... [2024-08-14 03:20:37,381 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@755a6264 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 03:20:37, skipping insertion in model container [2024-08-14 03:20:37,382 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 03:20:35" (1/2) ... [2024-08-14 03:20:37,383 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@159fd914 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 03:20:37, skipping insertion in model container [2024-08-14 03:20:37,383 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 03:20:37" (2/2) ... [2024-08-14 03:20:37,383 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@755a6264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:20:37, skipping insertion in model container [2024-08-14 03:20:37,383 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 03:20:37" (2/2) ... [2024-08-14 03:20:37,384 INFO L81 nessWitnessExtractor]: Only extracting loop invariants from correctness witness [2024-08-14 03:20:37,431 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-14 03:20:37,432 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-14 03:20:37,433 INFO L106 edCorrectnessWitness]: ghost_update [L6861-L6861] multithreaded = 1; [2024-08-14 03:20:37,515 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-14 03:20:37,868 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2024-08-14 03:20:42,387 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 03:20:42,409 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-08-14 03:20:42,468 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2024-08-14 03:20:42,620 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] [2024-08-14 03:20:42,622 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] [2024-08-14 03:20:42,623 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] [2024-08-14 03:20:42,623 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] [2024-08-14 03:20:42,731 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] Start Parsing Local [2024-08-14 03:20:42,805 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 03:20:43,445 ERROR L334 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-08-14 03:20:43,446 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@159fd914 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:20:43, skipping insertion in model container [2024-08-14 03:20:43,446 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 03:20:43,447 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-08-14 03:20:43,449 INFO L158 Benchmark]: Toolchain (without parser) took 6075.24ms. Allocated memory was 86.0MB in the beginning and 157.3MB in the end (delta: 71.3MB). Free memory was 61.2MB in the beginning and 75.9MB in the end (delta: -14.7MB). Peak memory consumption was 87.9MB. Max. memory is 16.1GB. [2024-08-14 03:20:43,449 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 60.8MB. Free memory was 41.5MB in the beginning and 41.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 03:20:43,450 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 60.8MB. Free memory was 44.8MB in the beginning and 44.7MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 03:20:43,451 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6072.16ms. Allocated memory was 86.0MB in the beginning and 157.3MB in the end (delta: 71.3MB). Free memory was 60.9MB in the beginning and 75.9MB in the end (delta: -15.1MB). Peak memory consumption was 87.9MB. Max. memory is 16.1GB. [2024-08-14 03:20:43,453 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 0.21ms. Allocated memory is still 60.8MB. Free memory was 41.5MB in the beginning and 41.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.17ms. Allocated memory is still 60.8MB. Free memory was 44.8MB in the beginning and 44.7MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6072.16ms. Allocated memory was 86.0MB in the beginning and 157.3MB in the end (delta: 71.3MB). Free memory was 60.9MB in the beginning and 75.9MB in the end (delta: -15.1MB). Peak memory consumption was 87.9MB. 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