./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/mutex-meet-local/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/mutex-meet-local/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 [2024-08-13 21:16:59,760 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-13 21:16:59,812 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-13 21:16:59,819 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-13 21:16:59,820 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-13 21:16:59,851 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-13 21:16:59,851 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-13 21:16:59,852 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-13 21:16:59,853 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-13 21:16:59,854 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-13 21:16:59,854 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-13 21:16:59,854 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-13 21:16:59,855 INFO L153 SettingsManager]: * Use SBE=true [2024-08-13 21:16:59,855 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-13 21:16:59,857 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-13 21:16:59,857 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-13 21:16:59,857 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-13 21:16:59,857 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-13 21:16:59,858 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-13 21:16:59,858 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-13 21:16:59,858 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-13 21:16:59,860 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-13 21:16:59,860 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-13 21:16:59,860 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-13 21:16:59,861 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-13 21:16:59,861 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-13 21:16:59,861 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-13 21:16:59,861 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-13 21:16:59,862 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-13 21:16:59,862 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-13 21:16:59,862 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-13 21:16:59,862 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-13 21:16:59,862 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-13 21:16:59,863 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-13 21:16:59,863 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-13 21:16:59,866 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-13 21:16:59,866 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-13 21:16:59,866 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-13 21:16:59,866 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-13 21:16:59,867 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-13 21:16:59,867 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-13 21:16:59,867 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-13 21:16:59,867 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2024-08-13 21:17:00,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-13 21:17:00,119 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-13 21:17:00,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-13 21:17:00,125 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-13 21:17:00,125 INFO L274 PluginConnector]: CDTParser initialized [2024-08-13 21:17:00,126 INFO L431 ainManager$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 [2024-08-13 21:17:01,462 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-13 21:17:01,917 INFO L384 CDTParser]: Found 1 translation units. [2024-08-13 21:17:01,918 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2024-08-13 21:17:02,012 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/22824039b/7c1ce855c87b46a6b3f03bab7176e9d9/FLAGa98eeebc6 [2024-08-13 21:17:02,054 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/22824039b/7c1ce855c87b46a6b3f03bab7176e9d9 [2024-08-13 21:17:02,057 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-13 21:17:02,062 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-13 21:17:02,064 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-local/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.yml/witness.yml [2024-08-13 21:17:02,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-13 21:17:02,270 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-13 21:17:02,273 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-13 21:17:02,273 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-13 21:17:02,278 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-13 21:17:02,278 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 09:17:02" (1/2) ... [2024-08-13 21:17:02,279 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a947351 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 09:17:02, skipping insertion in model container [2024-08-13 21:17:02,279 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 09:17:02" (1/2) ... [2024-08-13 21:17:02,281 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1cffc6e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 09:17:02, skipping insertion in model container [2024-08-13 21:17:02,281 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 09:17:02" (2/2) ... [2024-08-13 21:17:02,281 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a947351 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 09:17:02, skipping insertion in model container [2024-08-13 21:17:02,281 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 09:17:02" (2/2) ... [2024-08-13 21:17:02,282 INFO L81 nessWitnessExtractor]: Only extracting loop invariants from correctness witness [2024-08-13 21:17:02,287 INFO L92 edCorrectnessWitness]: Witness did not contain any usable entries. [2024-08-13 21:17:02,368 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-13 21:17:02,668 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] [2024-08-13 21:17:05,570 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-13 21:17:05,586 INFO L202 MainTranslator]: Completed pre-run [2024-08-13 21:17:05,607 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] [2024-08-13 21:17:05,706 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] [2024-08-13 21:17:05,708 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] [2024-08-13 21:17:05,709 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] [2024-08-13 21:17:05,709 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] [2024-08-13 21:17:05,804 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-08-13 21:17:05,854 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-13 21:17:06,241 ERROR L334 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-08-13 21:17:06,242 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1cffc6e8 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 09:17:06, skipping insertion in model container [2024-08-13 21:17:06,242 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-13 21:17:06,242 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-08-13 21:17:06,244 INFO L158 Benchmark]: Toolchain (without parser) took 3972.99ms. Allocated memory was 174.1MB in the beginning and 281.0MB in the end (delta: 107.0MB). Free memory was 134.7MB in the beginning and 195.4MB in the end (delta: -60.8MB). Peak memory consumption was 136.6MB. Max. memory is 16.1GB. [2024-08-13 21:17:06,245 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 104.9MB. Free memory is still 66.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-13 21:17:06,245 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 174.1MB. Free memory is still 143.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-13 21:17:06,246 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3969.50ms. Allocated memory was 174.1MB in the beginning and 281.0MB in the end (delta: 107.0MB). Free memory was 134.5MB in the beginning and 195.4MB in the end (delta: -60.9MB). Peak memory consumption was 136.6MB. Max. memory is 16.1GB. [2024-08-13 21:17:06,247 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 104.9MB. Free memory is still 66.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.17ms. Allocated memory is still 174.1MB. Free memory is still 143.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3969.50ms. Allocated memory was 174.1MB in the beginning and 281.0MB in the end (delta: 107.0MB). Free memory was 134.5MB in the beginning and 195.4MB in the end (delta: -60.9MB). Peak memory consumption was 136.6MB. 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/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/mutex-meet-local/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 [2024-08-13 21:17:08,238 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-13 21:17:08,321 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2024-08-13 21:17:08,326 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-13 21:17:08,327 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-13 21:17:08,358 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-13 21:17:08,358 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-13 21:17:08,358 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-13 21:17:08,359 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-13 21:17:08,359 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-13 21:17:08,360 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-13 21:17:08,360 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-13 21:17:08,360 INFO L153 SettingsManager]: * Use SBE=true [2024-08-13 21:17:08,361 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-13 21:17:08,361 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-13 21:17:08,362 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-13 21:17:08,363 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-13 21:17:08,365 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-13 21:17:08,366 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-13 21:17:08,366 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-13 21:17:08,366 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-13 21:17:08,368 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-08-13 21:17:08,368 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-13 21:17:08,368 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-08-13 21:17:08,368 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-13 21:17:08,369 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-13 21:17:08,369 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-13 21:17:08,369 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-13 21:17:08,369 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-13 21:17:08,369 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-13 21:17:08,370 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-13 21:17:08,370 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-13 21:17:08,370 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-13 21:17:08,370 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-13 21:17:08,370 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-13 21:17:08,371 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-08-13 21:17:08,371 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-13 21:17:08,372 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-08-13 21:17:08,372 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-13 21:17:08,373 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-13 21:17:08,373 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-13 21:17:08,374 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-13 21:17:08,374 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-13 21:17:08,374 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-13 21:17:08,374 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2024-08-13 21:17:08,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-13 21:17:08,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-13 21:17:08,699 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-13 21:17:08,700 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-13 21:17:08,700 INFO L274 PluginConnector]: CDTParser initialized [2024-08-13 21:17:08,701 INFO L431 ainManager$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 [2024-08-13 21:17:10,119 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-13 21:17:10,638 INFO L384 CDTParser]: Found 1 translation units. [2024-08-13 21:17:10,639 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2024-08-13 21:17:10,684 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e0b638803/ed52fc6014934a8dbabceee44d82af31/FLAG783f7b41f [2024-08-13 21:17:10,700 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e0b638803/ed52fc6014934a8dbabceee44d82af31 [2024-08-13 21:17:10,702 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-13 21:17:10,703 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-13 21:17:10,705 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-local/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.yml/witness.yml [2024-08-13 21:17:10,943 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-13 21:17:10,944 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-13 21:17:10,945 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-13 21:17:10,945 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-13 21:17:10,950 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-13 21:17:10,950 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 09:17:10" (1/2) ... [2024-08-13 21:17:10,951 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7be67be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 09:17:10, skipping insertion in model container [2024-08-13 21:17:10,951 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 09:17:10" (1/2) ... [2024-08-13 21:17:10,953 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5bc9498f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 09:17:10, skipping insertion in model container [2024-08-13 21:17:10,953 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 09:17:10" (2/2) ... [2024-08-13 21:17:10,953 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7be67be and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 09:17:10, skipping insertion in model container [2024-08-13 21:17:10,953 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 09:17:10" (2/2) ... [2024-08-13 21:17:10,954 INFO L81 nessWitnessExtractor]: Only extracting loop invariants from correctness witness [2024-08-13 21:17:10,961 INFO L92 edCorrectnessWitness]: Witness did not contain any usable entries. [2024-08-13 21:17:11,048 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-13 21:17:11,392 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] [2024-08-13 21:17:15,005 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-13 21:17:15,022 INFO L202 MainTranslator]: Completed pre-run [2024-08-13 21:17:15,041 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] [2024-08-13 21:17:15,194 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] [2024-08-13 21:17:15,196 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] [2024-08-13 21:17:15,196 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] [2024-08-13 21:17:15,197 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] [2024-08-13 21:17:15,366 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-08-13 21:17:15,413 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-13 21:17:15,867 ERROR L334 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-08-13 21:17:15,869 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5bc9498f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 09:17:15, skipping insertion in model container [2024-08-13 21:17:15,871 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-13 21:17:15,872 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-08-13 21:17:15,874 INFO L158 Benchmark]: Toolchain (without parser) took 4928.91ms. Allocated memory was 90.2MB in the beginning and 146.8MB in the end (delta: 56.6MB). Free memory was 63.1MB in the beginning and 68.1MB in the end (delta: -5.0MB). Peak memory consumption was 94.3MB. Max. memory is 16.1GB. [2024-08-13 21:17:15,874 INFO L158 Benchmark]: CDTParser took 0.84ms. Allocated memory is still 71.3MB. Free memory was 46.8MB in the beginning and 46.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-13 21:17:15,875 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 71.3MB. Free memory is still 37.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-13 21:17:15,875 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4926.81ms. Allocated memory was 90.2MB in the beginning and 146.8MB in the end (delta: 56.6MB). Free memory was 62.7MB in the beginning and 68.1MB in the end (delta: -5.4MB). Peak memory consumption was 94.3MB. Max. memory is 16.1GB. [2024-08-13 21:17:15,877 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.84ms. Allocated memory is still 71.3MB. Free memory was 46.8MB in the beginning and 46.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.20ms. Allocated memory is still 71.3MB. Free memory is still 37.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4926.81ms. Allocated memory was 90.2MB in the beginning and 146.8MB in the end (delta: 56.6MB). Free memory was 62.7MB in the beginning and 68.1MB in the end (delta: -5.4MB). Peak memory consumption was 94.3MB. 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