./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-08-08_07-59-58.files/protection-ghost/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.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_read_nvram_nvram_unlocked_ioctl.i ./goblint.2024-08-08_07-59-58.files/protection-ghost/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 --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-c091e2e-m [2024-08-14 05:52:44,829 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 05:52:44,911 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-14 05:52:44,916 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 05:52:44,917 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 05:52:44,952 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 05:52:44,953 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 05:52:44,953 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 05:52:44,954 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 05:52:44,955 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 05:52:44,956 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 05:52:44,957 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 05:52:44,957 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 05:52:44,959 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 05:52:44,959 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 05:52:44,959 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 05:52:44,960 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 05:52:44,960 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 05:52:44,960 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 05:52:44,961 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 05:52:44,961 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 05:52:44,963 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 05:52:44,964 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 05:52:44,964 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 05:52:44,964 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 05:52:44,964 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 05:52:44,965 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 05:52:44,965 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 05:52:44,965 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 05:52:44,965 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 05:52:44,966 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 05:52:44,966 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 05:52:44,966 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 05:52:44,967 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 05:52:44,967 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 05:52:44,967 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-14 05:52:44,968 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 05:52:44,968 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 05:52:44,968 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-14 05:52:44,969 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 05:52:44,969 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-14 05:52:44,970 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-14 05:52:44,970 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-08-14 05:52:45,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 05:52:45,250 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 05:52:45,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 05:52:45,254 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 05:52:45,255 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 05:52:45,256 INFO L431 ainManager$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_read_nvram_nvram_unlocked_ioctl.yml/witness.yml [2024-08-14 05:52:45,365 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 05:52:45,366 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 05:52:45,366 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-08-14 05:52:46,842 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 05:52:47,323 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 05:52:47,324 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-08-14 05:52:47,372 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/4f72f85b8/9317e996c8a04f03b7d8939448967115/FLAGb66607459 [2024-08-14 05:52:47,388 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/4f72f85b8/9317e996c8a04f03b7d8939448967115 [2024-08-14 05:52:47,389 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 05:52:47,391 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-14 05:52:47,392 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 05:52:47,393 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 05:52:47,398 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 05:52:47,399 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 05:52:45" (1/2) ... [2024-08-14 05:52:47,400 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f60d32e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 05:52:47, skipping insertion in model container [2024-08-14 05:52:47,400 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 05:52:45" (1/2) ... [2024-08-14 05:52:47,402 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3984a948 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 05:52:47, skipping insertion in model container [2024-08-14 05:52:47,402 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 05:52:47" (2/2) ... [2024-08-14 05:52:47,403 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f60d32e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:52:47, skipping insertion in model container [2024-08-14 05:52:47,403 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 05:52:47" (2/2) ... [2024-08-14 05:52:47,404 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-14 05:52:47,682 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-14 05:52:47,683 INFO L97 edCorrectnessWitness]: Location invariant before [L6862-L6862] (((((! multithreaded || jiffies == 0UL) && (! multithreaded || _whoop_exit == & nvram_cleanup)) && (! multithreaded || 0 <= whoop_int)) && (! multithreaded || (unsigned int )default_alloc_size == 4U)) && (! multithreaded || _whoop_init == & nvram_init)) && (! multithreaded || ((((((((((((((((((((((((nvram_fops.check_flags == 0 && nvram_fops.compat_ioctl == 0) && nvram_fops.dir_notify == 0) && nvram_fops.fasync == 0) && nvram_fops.flock == 0) && nvram_fops.flush == 0) && nvram_fops.fsync == 0) && nvram_fops.get_unmapped_area == 0) && nvram_fops.ioctl == 0) && nvram_fops.llseek == & nvram_llseek) && nvram_fops.lock == 0) && nvram_fops.mmap == 0) && nvram_fops.open == 0) && nvram_fops.open_exec == 0) && nvram_fops.owner == 0) && nvram_fops.poll == 0) && nvram_fops.read == & read_nvram) && nvram_fops.readdir == 0) && nvram_fops.readv == 0) && nvram_fops.release == 0) && nvram_fops.sendfile == 0) && nvram_fops.sendpage == 0) && nvram_fops.unlocked_ioctl == & nvram_unlocked_ioctl) && nvram_fops.write == & write_nvram) && nvram_fops.writev == 0)) [2024-08-14 05:52:47,684 INFO L97 edCorrectnessWitness]: Location invariant before [L6863-L6863] (((((! multithreaded || jiffies == 0UL) && (! multithreaded || _whoop_exit == & nvram_cleanup)) && (! multithreaded || 0 <= whoop_int)) && (! multithreaded || (unsigned int )default_alloc_size == 4U)) && (! multithreaded || _whoop_init == & nvram_init)) && (! multithreaded || ((((((((((((((((((((((((nvram_fops.check_flags == 0 && nvram_fops.compat_ioctl == 0) && nvram_fops.dir_notify == 0) && nvram_fops.fasync == 0) && nvram_fops.flock == 0) && nvram_fops.flush == 0) && nvram_fops.fsync == 0) && nvram_fops.get_unmapped_area == 0) && nvram_fops.ioctl == 0) && nvram_fops.llseek == & nvram_llseek) && nvram_fops.lock == 0) && nvram_fops.mmap == 0) && nvram_fops.open == 0) && nvram_fops.open_exec == 0) && nvram_fops.owner == 0) && nvram_fops.poll == 0) && nvram_fops.read == & read_nvram) && nvram_fops.readdir == 0) && nvram_fops.readv == 0) && nvram_fops.release == 0) && nvram_fops.sendfile == 0) && nvram_fops.sendpage == 0) && nvram_fops.unlocked_ioctl == & nvram_unlocked_ioctl) && nvram_fops.write == & write_nvram) && nvram_fops.writev == 0)) [2024-08-14 05:52:47,684 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-14 05:52:47,684 INFO L106 edCorrectnessWitness]: ghost_update [L6861-L6861] multithreaded = 1; [2024-08-14 05:52:47,799 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-14 05:52:48,154 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_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2024-08-14 05:52:51,791 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 05:52:51,810 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-08-14 05:52:51,863 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_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2024-08-14 05:52:51,974 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 05:52:51,977 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 05:52:51,977 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 05:52:51,977 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 05:52:52,091 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] Start Parsing Local Start Parsing Local [2024-08-14 05:52:52,148 ERROR L334 MainTranslator]: Incorrect Syntax: Undeclared variable in ACSL expression: nvram_cleanup [2024-08-14 05:52:52,148 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3984a948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:52:52, skipping insertion in model container [2024-08-14 05:52:52,149 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 05:52:52,149 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-08-14 05:52:52,151 INFO L158 Benchmark]: Toolchain (without parser) took 4759.81ms. Allocated memory was 144.7MB in the beginning and 203.4MB in the end (delta: 58.7MB). Free memory was 71.6MB in the beginning and 87.7MB in the end (delta: -16.1MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. [2024-08-14 05:52:52,152 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 144.7MB. Free memory is still 106.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 05:52:52,152 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 144.7MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 05:52:52,153 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4757.61ms. Allocated memory was 144.7MB in the beginning and 203.4MB in the end (delta: 58.7MB). Free memory was 71.6MB in the beginning and 87.7MB in the end (delta: -16.1MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. [2024-08-14 05:52:52,155 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 0.19ms. Allocated memory is still 144.7MB. Free memory is still 106.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.14ms. Allocated memory is still 144.7MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4757.61ms. Allocated memory was 144.7MB in the beginning and 203.4MB in the end (delta: 58.7MB). Free memory was 71.6MB in the beginning and 87.7MB in the end (delta: -16.1MB). Peak memory consumption was 50.8MB. 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] - SyntaxErrorResult [Line: 6862]: Incorrect Syntax Undeclared variable in ACSL expression: nvram_cleanup RESULT: Ultimate could not prove your program: Incorrect Syntax Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/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.2024-08-08_07-59-58.files/protection-ghost/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 --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-c091e2e-m [2024-08-14 05:52:54,145 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 05:52:54,219 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2024-08-14 05:52:54,226 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 05:52:54,226 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 05:52:54,266 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 05:52:54,267 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 05:52:54,267 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 05:52:54,268 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 05:52:54,269 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 05:52:54,270 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 05:52:54,271 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 05:52:54,271 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 05:52:54,271 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 05:52:54,272 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 05:52:54,275 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 05:52:54,275 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 05:52:54,275 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 05:52:54,276 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 05:52:54,276 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 05:52:54,276 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 05:52:54,276 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-08-14 05:52:54,277 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 05:52:54,277 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-08-14 05:52:54,277 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 05:52:54,277 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 05:52:54,277 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 05:52:54,278 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 05:52:54,278 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 05:52:54,278 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 05:52:54,278 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 05:52:54,278 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 05:52:54,279 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 05:52:54,279 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 05:52:54,279 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 05:52:54,279 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-08-14 05:52:54,280 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-14 05:52:54,281 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-08-14 05:52:54,281 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 05:52:54,282 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-14 05:52:54,282 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 05:52:54,283 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-14 05:52:54,283 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-14 05:52:54,283 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 05:52:54,283 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-08-14 05:52:54,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 05:52:54,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 05:52:54,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 05:52:54,642 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 05:52:54,643 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 05:52:54,644 INFO L431 ainManager$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 [2024-08-14 05:52:56,217 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 05:52:56,747 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 05:52:56,748 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-08-14 05:52:56,805 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/dcc201e31/519962edcb9e418aa23def49c317b329/FLAG9558f6fd1 [2024-08-14 05:52:56,823 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/dcc201e31/519962edcb9e418aa23def49c317b329 [2024-08-14 05:52:56,826 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 05:52:56,827 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 05:52:56,828 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/protection-ghost/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.yml/witness.yml [2024-08-14 05:52:56,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 05:52:56,948 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-14 05:52:56,950 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 05:52:56,951 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 05:52:56,955 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 05:52:56,956 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 05:52:56" (1/2) ... [2024-08-14 05:52:56,957 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46f03ba5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:52:56, skipping insertion in model container [2024-08-14 05:52:56,957 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 05:52:56" (1/2) ... [2024-08-14 05:52:56,958 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6ab663ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 05:52:56, skipping insertion in model container [2024-08-14 05:52:56,959 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 05:52:56" (2/2) ... [2024-08-14 05:52:56,960 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46f03ba5 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 05:52:56, skipping insertion in model container [2024-08-14 05:52:56,960 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 05:52:56" (2/2) ... [2024-08-14 05:52:56,960 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-14 05:52:57,175 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-14 05:52:57,176 INFO L97 edCorrectnessWitness]: Location invariant before [L6862-L6862] (((((! multithreaded || jiffies == 0UL) && (! multithreaded || _whoop_exit == & nvram_cleanup)) && (! multithreaded || 0 <= whoop_int)) && (! multithreaded || (unsigned int )default_alloc_size == 4U)) && (! multithreaded || _whoop_init == & nvram_init)) && (! multithreaded || ((((((((((((((((((((((((nvram_fops.check_flags == 0 && nvram_fops.compat_ioctl == 0) && nvram_fops.dir_notify == 0) && nvram_fops.fasync == 0) && nvram_fops.flock == 0) && nvram_fops.flush == 0) && nvram_fops.fsync == 0) && nvram_fops.get_unmapped_area == 0) && nvram_fops.ioctl == 0) && nvram_fops.llseek == & nvram_llseek) && nvram_fops.lock == 0) && nvram_fops.mmap == 0) && nvram_fops.open == 0) && nvram_fops.open_exec == 0) && nvram_fops.owner == 0) && nvram_fops.poll == 0) && nvram_fops.read == & read_nvram) && nvram_fops.readdir == 0) && nvram_fops.readv == 0) && nvram_fops.release == 0) && nvram_fops.sendfile == 0) && nvram_fops.sendpage == 0) && nvram_fops.unlocked_ioctl == & nvram_unlocked_ioctl) && nvram_fops.write == & write_nvram) && nvram_fops.writev == 0)) [2024-08-14 05:52:57,176 INFO L97 edCorrectnessWitness]: Location invariant before [L6863-L6863] (((((! multithreaded || jiffies == 0UL) && (! multithreaded || _whoop_exit == & nvram_cleanup)) && (! multithreaded || 0 <= whoop_int)) && (! multithreaded || (unsigned int )default_alloc_size == 4U)) && (! multithreaded || _whoop_init == & nvram_init)) && (! multithreaded || ((((((((((((((((((((((((nvram_fops.check_flags == 0 && nvram_fops.compat_ioctl == 0) && nvram_fops.dir_notify == 0) && nvram_fops.fasync == 0) && nvram_fops.flock == 0) && nvram_fops.flush == 0) && nvram_fops.fsync == 0) && nvram_fops.get_unmapped_area == 0) && nvram_fops.ioctl == 0) && nvram_fops.llseek == & nvram_llseek) && nvram_fops.lock == 0) && nvram_fops.mmap == 0) && nvram_fops.open == 0) && nvram_fops.open_exec == 0) && nvram_fops.owner == 0) && nvram_fops.poll == 0) && nvram_fops.read == & read_nvram) && nvram_fops.readdir == 0) && nvram_fops.readv == 0) && nvram_fops.release == 0) && nvram_fops.sendfile == 0) && nvram_fops.sendpage == 0) && nvram_fops.unlocked_ioctl == & nvram_unlocked_ioctl) && nvram_fops.write == & write_nvram) && nvram_fops.writev == 0)) [2024-08-14 05:52:57,176 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-14 05:52:57,177 INFO L106 edCorrectnessWitness]: ghost_update [L6861-L6861] multithreaded = 1; [2024-08-14 05:52:57,275 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-14 05:52:57,611 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_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2024-08-14 05:53:00,583 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 05:53:00,606 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-08-14 05:53:00,676 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_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2024-08-14 05:53:00,804 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 05:53:00,806 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 05:53:00,806 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 05:53:00,806 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 05:53:00,966 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] Start Parsing Local Start Parsing Local [2024-08-14 05:53:01,032 ERROR L334 MainTranslator]: Incorrect Syntax: Undeclared variable in ACSL expression: nvram_cleanup [2024-08-14 05:53:01,032 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6ab663ae and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 05:53:01, skipping insertion in model container [2024-08-14 05:53:01,032 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 05:53:01,033 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-08-14 05:53:01,035 INFO L158 Benchmark]: Toolchain (without parser) took 4086.51ms. Allocated memory was 54.5MB in the beginning and 104.9MB in the end (delta: 50.3MB). Free memory was 21.5MB in the beginning and 37.4MB in the end (delta: -15.9MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2024-08-14 05:53:01,036 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 39.8MB. Free memory was 21.4MB in the beginning and 21.4MB in the end (delta: 42.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 05:53:01,040 INFO L158 Benchmark]: Witness Parser took 0.65ms. Allocated memory is still 54.5MB. Free memory is still 25.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 05:53:01,041 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4082.35ms. Allocated memory was 54.5MB in the beginning and 104.9MB in the end (delta: 50.3MB). Free memory was 21.2MB in the beginning and 37.4MB in the end (delta: -16.2MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2024-08-14 05:53:01,043 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 39.8MB. Free memory was 21.4MB in the beginning and 21.4MB in the end (delta: 42.2kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.65ms. Allocated memory is still 54.5MB. Free memory is still 25.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4082.35ms. Allocated memory was 54.5MB in the beginning and 104.9MB in the end (delta: 50.3MB). Free memory was 21.2MB in the beginning and 37.4MB in the end (delta: -16.2MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 5814]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] - SyntaxErrorResult [Line: 6862]: Incorrect Syntax Undeclared variable in ACSL expression: nvram_cleanup RESULT: Ultimate could not prove your program: Incorrect Syntax Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN