./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 2cc22fce 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_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/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 --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-2cc22fc-m [2024-07-22 18:30:45,083 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-07-22 18:30:45,148 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-07-22 18:30:45,156 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-07-22 18:30:45,157 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-07-22 18:30:45,203 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-07-22 18:30:45,204 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-07-22 18:30:45,205 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-07-22 18:30:45,205 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-07-22 18:30:45,209 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-07-22 18:30:45,210 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-07-22 18:30:45,210 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-07-22 18:30:45,211 INFO L153 SettingsManager]: * Use SBE=true [2024-07-22 18:30:45,212 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-07-22 18:30:45,212 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-07-22 18:30:45,213 INFO L153 SettingsManager]: * sizeof long=4 [2024-07-22 18:30:45,213 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-07-22 18:30:45,213 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-07-22 18:30:45,214 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-07-22 18:30:45,214 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-07-22 18:30:45,214 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-07-22 18:30:45,214 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-07-22 18:30:45,215 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-07-22 18:30:45,215 INFO L153 SettingsManager]: * sizeof long double=12 [2024-07-22 18:30:45,215 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-07-22 18:30:45,215 INFO L153 SettingsManager]: * Use constant arrays=true [2024-07-22 18:30:45,216 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-07-22 18:30:45,216 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-07-22 18:30:45,217 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-07-22 18:30:45,217 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-07-22 18:30:45,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-22 18:30:45,218 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-07-22 18:30:45,218 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-07-22 18:30:45,219 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-07-22 18:30:45,219 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-07-22 18:30:45,219 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-07-22 18:30:45,219 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-07-22 18:30:45,219 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-07-22 18:30:45,220 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-07-22 18:30:45,220 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-07-22 18:30:45,220 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-07-22 18:30:45,220 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-07-22 18:30:45,221 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-07-22 18:30:45,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-07-22 18:30:45,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-07-22 18:30:45,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-07-22 18:30:45,531 INFO L270 PluginConnector]: Initializing CDTParser... [2024-07-22 18:30:45,531 INFO L274 PluginConnector]: CDTParser initialized [2024-07-22 18:30:45,533 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-07-22 18:30:46,700 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-07-22 18:30:47,121 INFO L384 CDTParser]: Found 1 translation units. [2024-07-22 18:30:47,122 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-07-22 18:30:47,168 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/96e42e85c/df0a3960eaef4930a63e78f309429ea5/FLAG086ffbd04 [2024-07-22 18:30:47,186 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/96e42e85c/df0a3960eaef4930a63e78f309429ea5 [2024-07-22 18:30:47,188 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-07-22 18:30:47,189 INFO L274 PluginConnector]: Witness Parser initialized [2024-07-22 18:30:47,191 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-06-19_11-23-25.files/mutex-meet-rel/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.yml/witness.yml [2024-07-22 18:30:47,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-07-22 18:30:47,280 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-07-22 18:30:47,281 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-07-22 18:30:47,281 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-07-22 18:30:47,286 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-07-22 18:30:47,286 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 06:30:47" (1/2) ... [2024-07-22 18:30:47,287 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59da9763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:30:47, skipping insertion in model container [2024-07-22 18:30:47,288 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 06:30:47" (1/2) ... [2024-07-22 18:30:47,290 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@d4a6fb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:30:47, skipping insertion in model container [2024-07-22 18:30:47,290 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 06:30:47" (2/2) ... [2024-07-22 18:30:47,291 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59da9763 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 06:30:47, skipping insertion in model container [2024-07-22 18:30:47,292 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 06:30:47" (2/2) ... [2024-07-22 18:30:47,292 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-07-22 18:30:47,365 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-07-22 18:30:47,366 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) [2024-07-22 18:30:47,366 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) [2024-07-22 18:30:47,366 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-07-22 18:30:47,366 INFO L106 edCorrectnessWitness]: ghost_update [L6861-L6861] multithreaded = 1; [2024-07-22 18:30:47,453 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-07-22 18:30:50,544 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-22 18:30:50,557 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-07-22 18:30:50,703 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] [2024-07-22 18:30:50,705 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] [2024-07-22 18:30:50,705 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] [2024-07-22 18:30:50,705 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] [2024-07-22 18:30:50,802 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] Start Parsing Local Start Parsing Local Start Parsing Local [2024-07-22 18:30:50,999 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-22 18:30:51,595 ERROR L334 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-07-22 18:30:51,596 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@d4a6fb6 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 06:30:51, skipping insertion in model container [2024-07-22 18:30:51,596 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-07-22 18:30:51,596 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-07-22 18:30:51,598 INFO L158 Benchmark]: Toolchain (without parser) took 4317.68ms. Allocated memory was 155.2MB in the beginning and 197.1MB in the end (delta: 41.9MB). Free memory was 93.9MB in the beginning and 117.8MB in the end (delta: -23.9MB). Peak memory consumption was 85.8MB. Max. memory is 16.1GB. [2024-07-22 18:30:51,599 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 96.5MB. Free memory was 60.2MB in the beginning and 60.1MB in the end (delta: 93.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-07-22 18:30:51,599 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 155.2MB. Free memory is still 96.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-22 18:30:51,600 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4314.96ms. Allocated memory was 155.2MB in the beginning and 197.1MB in the end (delta: 41.9MB). Free memory was 93.9MB in the beginning and 117.8MB in the end (delta: -23.9MB). Peak memory consumption was 85.8MB. Max. memory is 16.1GB. [2024-07-22 18:30:51,601 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 96.5MB. Free memory was 60.2MB in the beginning and 60.1MB in the end (delta: 93.0kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.17ms. Allocated memory is still 155.2MB. Free memory is still 96.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4314.96ms. Allocated memory was 155.2MB in the beginning and 197.1MB in the end (delta: 41.9MB). Free memory was 93.9MB in the beginning and 117.8MB in the end (delta: -23.9MB). Peak memory consumption was 85.8MB. 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_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/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 --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-2cc22fc-m [2024-07-22 18:30:53,961 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-07-22 18:30:54,051 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2024-07-22 18:30:54,058 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-07-22 18:30:54,059 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-07-22 18:30:54,090 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-07-22 18:30:54,090 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-07-22 18:30:54,091 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-07-22 18:30:54,091 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-07-22 18:30:54,091 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-07-22 18:30:54,092 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-07-22 18:30:54,092 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-07-22 18:30:54,092 INFO L153 SettingsManager]: * Use SBE=true [2024-07-22 18:30:54,092 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-07-22 18:30:54,093 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-07-22 18:30:54,093 INFO L153 SettingsManager]: * sizeof long=4 [2024-07-22 18:30:54,093 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-07-22 18:30:54,093 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-07-22 18:30:54,094 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-07-22 18:30:54,094 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-07-22 18:30:54,094 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-07-22 18:30:54,095 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-07-22 18:30:54,098 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-07-22 18:30:54,098 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-07-22 18:30:54,101 INFO L153 SettingsManager]: * sizeof long double=12 [2024-07-22 18:30:54,101 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-07-22 18:30:54,102 INFO L153 SettingsManager]: * Use constant arrays=true [2024-07-22 18:30:54,102 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-07-22 18:30:54,102 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-07-22 18:30:54,102 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-07-22 18:30:54,103 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-07-22 18:30:54,104 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-22 18:30:54,104 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-07-22 18:30:54,104 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-07-22 18:30:54,104 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-07-22 18:30:54,105 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-07-22 18:30:54,105 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-07-22 18:30:54,105 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-07-22 18:30:54,105 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-07-22 18:30:54,106 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-07-22 18:30:54,106 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-07-22 18:30:54,106 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-07-22 18:30:54,107 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-07-22 18:30:54,107 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-07-22 18:30:54,107 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-07-22 18:30:54,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-07-22 18:30:54,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-07-22 18:30:54,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-07-22 18:30:54,476 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-07-22 18:30:54,477 INFO L274 PluginConnector]: Witness Parser initialized [2024-07-22 18:30:54,478 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-06-19_11-23-25.files/mutex-meet-rel/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.yml/witness.yml [2024-07-22 18:30:54,569 INFO L270 PluginConnector]: Initializing CDTParser... [2024-07-22 18:30:54,569 INFO L274 PluginConnector]: CDTParser initialized [2024-07-22 18:30:54,585 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-07-22 18:30:55,785 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-07-22 18:30:56,278 INFO L384 CDTParser]: Found 1 translation units. [2024-07-22 18:30:56,278 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-07-22 18:30:56,317 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a081a0369/a4b233d8becd4ad5b803ddb912d5685d/FLAG4a5986c70 [2024-07-22 18:30:56,332 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a081a0369/a4b233d8becd4ad5b803ddb912d5685d [2024-07-22 18:30:56,333 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-07-22 18:30:56,334 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-07-22 18:30:56,336 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-07-22 18:30:56,337 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-07-22 18:30:56,341 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-07-22 18:30:56,341 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 06:30:54" (1/2) ... [2024-07-22 18:30:56,342 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cb24b5e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 06:30:56, skipping insertion in model container [2024-07-22 18:30:56,342 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 06:30:54" (1/2) ... [2024-07-22 18:30:56,344 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2949300a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 06:30:56, skipping insertion in model container [2024-07-22 18:30:56,344 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 06:30:56" (2/2) ... [2024-07-22 18:30:56,360 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cb24b5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:30:56, skipping insertion in model container [2024-07-22 18:30:56,360 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 06:30:56" (2/2) ... [2024-07-22 18:30:56,361 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-07-22 18:30:56,430 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-07-22 18:30:56,431 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) [2024-07-22 18:30:56,431 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) [2024-07-22 18:30:56,431 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-07-22 18:30:56,432 INFO L106 edCorrectnessWitness]: ghost_update [L6861-L6861] multithreaded = 1; [2024-07-22 18:30:56,561 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-07-22 18:30:59,863 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-22 18:30:59,884 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-07-22 18:31:00,042 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] [2024-07-22 18:31:00,044 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] [2024-07-22 18:31:00,044 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] [2024-07-22 18:31:00,045 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] [2024-07-22 18:31:00,194 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] Start Parsing Local Start Parsing Local Start Parsing Local [2024-07-22 18:31:00,252 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-22 18:31:00,688 ERROR L334 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-07-22 18:31:00,689 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2949300a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:31:00, skipping insertion in model container [2024-07-22 18:31:00,689 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-07-22 18:31:00,689 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-07-22 18:31:00,691 INFO L158 Benchmark]: Toolchain (without parser) took 4356.02ms. Allocated memory was 60.8MB in the beginning and 130.0MB in the end (delta: 69.2MB). Free memory was 24.2MB in the beginning and 39.7MB in the end (delta: -15.6MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. [2024-07-22 18:31:00,691 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 60.8MB. Free memory was 37.5MB in the beginning and 37.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-07-22 18:31:00,692 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 60.8MB. Free memory was 45.2MB in the beginning and 45.1MB in the end (delta: 99.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-07-22 18:31:00,692 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4352.69ms. Allocated memory was 60.8MB in the beginning and 130.0MB in the end (delta: 69.2MB). Free memory was 24.0MB in the beginning and 39.7MB in the end (delta: -15.7MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. [2024-07-22 18:31:00,694 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 0.18ms. Allocated memory is still 60.8MB. Free memory was 37.5MB in the beginning and 37.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.39ms. Allocated memory is still 60.8MB. Free memory was 45.2MB in the beginning and 45.1MB in the end (delta: 99.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4352.69ms. Allocated memory was 60.8MB in the beginning and 130.0MB in the end (delta: 69.2MB). Free memory was 24.0MB in the beginning and 39.7MB in the end (delta: -15.7MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 5814]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] - UnsupportedSyntaxResult [Line: -1]: Unsupported Syntax The following functions are not defined or handled internally: ____ilog2_NaN RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN