./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-05-07_14-17-48.files/protection/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b44c8288 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i ./goblint.2024-05-07_14-17-48.files/protection/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.witness-ghost-b44c828-m [2024-05-12 12:51:24,309 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-12 12:51:24,380 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-05-12 12:51:24,384 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-12 12:51:24,384 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-12 12:51:24,403 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-12 12:51:24,405 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-12 12:51:24,405 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-12 12:51:24,405 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-05-12 12:51:24,408 INFO L153 SettingsManager]: * Use memory slicer=true [2024-05-12 12:51:24,409 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-12 12:51:24,409 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-12 12:51:24,410 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-12 12:51:24,411 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-12 12:51:24,411 INFO L153 SettingsManager]: * Use SBE=true [2024-05-12 12:51:24,411 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-12 12:51:24,411 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-12 12:51:24,411 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-12 12:51:24,412 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-12 12:51:24,412 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-12 12:51:24,413 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-12 12:51:24,413 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-12 12:51:24,413 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-12 12:51:24,414 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-12 12:51:24,414 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-05-12 12:51:24,414 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-12 12:51:24,414 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-12 12:51:24,414 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-12 12:51:24,415 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-12 12:51:24,415 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-12 12:51:24,416 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-05-12 12:51:24,416 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-12 12:51:24,416 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-05-12 12:51:24,416 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-12 12:51:24,416 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-12 12:51:24,417 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-12 12:51:24,417 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-12 12:51:24,417 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-12 12:51:24,417 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-12 12:51:24,417 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-05-12 12:51:24,417 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-12 12:51:24,418 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-05-12 12:51:24,418 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-05-12 12:51:24,418 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-05-12 12:51:24,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-12 12:51:24,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-12 12:51:24,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-12 12:51:24,633 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-12 12:51:24,633 INFO L274 PluginConnector]: CDTParser initialized [2024-05-12 12:51:24,634 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i [2024-05-12 12:51:25,576 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-12 12:51:25,979 INFO L384 CDTParser]: Found 1 translation units. [2024-05-12 12:51:25,980 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i [2024-05-12 12:51:26,019 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbbd93f8c/d545b87d11a24919a2b9c934ffcb6307/FLAG923ae6415 [2024-05-12 12:51:26,146 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbbd93f8c/d545b87d11a24919a2b9c934ffcb6307 [2024-05-12 12:51:26,148 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-05-12 12:51:26,148 INFO L274 PluginConnector]: Witness Parser initialized [2024-05-12 12:51:26,150 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-05-07_14-17-48.files/protection/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.yml/witness.yml [2024-05-12 12:51:26,223 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-12 12:51:26,237 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-12 12:51:26,237 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-12 12:51:26,238 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-12 12:51:26,242 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-12 12:51:26,242 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.05 12:51:26" (1/2) ... [2024-05-12 12:51:26,243 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@219f9098 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.05 12:51:26, skipping insertion in model container [2024-05-12 12:51:26,267 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.05 12:51:26" (1/2) ... [2024-05-12 12:51:26,268 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7f3614d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.05 12:51:26, skipping insertion in model container [2024-05-12 12:51:26,269 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.05 12:51:26" (2/2) ... [2024-05-12 12:51:26,269 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@219f9098 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.05 12:51:26, skipping insertion in model container [2024-05-12 12:51:26,269 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.05 12:51:26" (2/2) ... [2024-05-12 12:51:26,269 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-05-12 12:51:26,403 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-05-12 12:51:26,404 INFO L97 edCorrectnessWitness]: Location invariant before [L7070-L7070] (((! multithreaded || jiffies == 0UL) && (! multithreaded || (unsigned int )default_alloc_size == 4U)) && (! multithreaded || _whoop_exit == & pc8736x_gpio_cleanup)) && (! multithreaded || _whoop_init == & pc8736x_gpio_init) [2024-05-12 12:51:26,404 INFO L97 edCorrectnessWitness]: Location invariant before [L7071-L7071] (((! multithreaded || jiffies == 0UL) && (! multithreaded || (unsigned int )default_alloc_size == 4U)) && (! multithreaded || _whoop_exit == & pc8736x_gpio_cleanup)) && (! multithreaded || _whoop_init == & pc8736x_gpio_init) [2024-05-12 12:51:26,404 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-05-12 12:51:26,404 INFO L106 edCorrectnessWitness]: ghost_update [L7069-L7069] multithreaded = 1; [2024-05-12 12:51:26,467 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-12 12:51:26,719 WARN L246 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_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i[5469,5482] [2024-05-12 12:51:29,473 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-05-12 12:51:29,474 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-05-12 12:51:29,509 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-05-12 12:51:29,519 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-05-12 12:51:29,562 WARN L246 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_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i[5469,5482] [2024-05-12 12:51:29,627 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] [2024-05-12 12:51:29,628 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] [2024-05-12 12:51:29,629 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] [2024-05-12 12:51:29,629 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] [2024-05-12 12:51:29,726 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-05-12 12:51:29,759 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-05-12 12:51:29,759 WARN L1645 CHandler]: Possible shadowing of function iminor Start Parsing Local Start Parsing Local [2024-05-12 12:51:29,773 ERROR L334 MainTranslator]: Incorrect Syntax: Undeclared variable in ACSL expression: pc8736x_gpio_cleanup [2024-05-12 12:51:29,773 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7f3614d5 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.05 12:51:29, skipping insertion in model container [2024-05-12 12:51:29,774 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-12 12:51:29,774 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-05-12 12:51:29,775 INFO L158 Benchmark]: Toolchain (without parser) took 3538.14ms. Allocated memory is still 182.5MB. Free memory was 96.5MB in the beginning and 65.3MB in the end (delta: 31.2MB). Peak memory consumption was 63.3MB. Max. memory is 16.1GB. [2024-05-12 12:51:29,776 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 123.7MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-05-12 12:51:29,776 INFO L158 Benchmark]: Witness Parser took 0.42ms. Allocated memory is still 182.5MB. Free memory is still 99.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-05-12 12:51:29,777 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3536.40ms. Allocated memory is still 182.5MB. Free memory was 96.3MB in the beginning and 65.3MB in the end (delta: 31.0MB). Peak memory consumption was 63.3MB. Max. memory is 16.1GB. [2024-05-12 12:51:29,778 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 123.7MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.42ms. Allocated memory is still 182.5MB. Free memory is still 99.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3536.40ms. Allocated memory is still 182.5MB. Free memory was 96.3MB in the beginning and 65.3MB in the end (delta: 31.0MB). Peak memory consumption was 63.3MB. 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] - SyntaxErrorResult [Line: 7070]: Incorrect Syntax Undeclared variable in ACSL expression: pc8736x_gpio_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/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i ./goblint.2024-05-07_14-17-48.files/protection/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.witness-ghost-b44c828-m [2024-05-12 12:51:31,547 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-12 12:51:31,616 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-05-12 12:51:31,635 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-12 12:51:31,635 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-12 12:51:31,655 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-12 12:51:31,659 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-12 12:51:31,660 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-12 12:51:31,660 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-05-12 12:51:31,663 INFO L153 SettingsManager]: * Use memory slicer=true [2024-05-12 12:51:31,664 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-12 12:51:31,664 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-12 12:51:31,664 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-12 12:51:31,665 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-12 12:51:31,665 INFO L153 SettingsManager]: * Use SBE=true [2024-05-12 12:51:31,666 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-12 12:51:31,666 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-12 12:51:31,666 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-12 12:51:31,667 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-12 12:51:31,667 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-12 12:51:31,667 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-12 12:51:31,668 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-12 12:51:31,668 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-12 12:51:31,668 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-05-12 12:51:31,668 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-05-12 12:51:31,669 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-05-12 12:51:31,669 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-05-12 12:51:31,669 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-12 12:51:31,669 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-12 12:51:31,669 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-12 12:51:31,670 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-12 12:51:31,670 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-12 12:51:31,671 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-05-12 12:51:31,671 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-12 12:51:31,671 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-05-12 12:51:31,671 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-12 12:51:31,672 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-12 12:51:31,672 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-12 12:51:31,672 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-05-12 12:51:31,672 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-05-12 12:51:31,673 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-12 12:51:31,673 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-05-12 12:51:31,673 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-12 12:51:31,673 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-05-12 12:51:31,674 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-05-12 12:51:31,674 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-05-12 12:51:31,674 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-05-12 12:51:31,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-12 12:51:31,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-12 12:51:31,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-12 12:51:31,931 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-12 12:51:31,932 INFO L274 PluginConnector]: CDTParser initialized [2024-05-12 12:51:31,933 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i [2024-05-12 12:51:32,964 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-12 12:51:33,386 INFO L384 CDTParser]: Found 1 translation units. [2024-05-12 12:51:33,387 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i [2024-05-12 12:51:33,420 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f43aa0219/8534f8589be44888987240ab9b690bb9/FLAG8bcf74623 [2024-05-12 12:51:33,431 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f43aa0219/8534f8589be44888987240ab9b690bb9 [2024-05-12 12:51:33,433 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-05-12 12:51:33,433 INFO L274 PluginConnector]: Witness Parser initialized [2024-05-12 12:51:33,435 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-05-07_14-17-48.files/protection/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.yml/witness.yml [2024-05-12 12:51:33,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-12 12:51:33,516 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-12 12:51:33,518 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-12 12:51:33,518 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-12 12:51:33,521 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-12 12:51:33,522 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.05 12:51:33" (1/2) ... [2024-05-12 12:51:33,522 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3de228ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.05 12:51:33, skipping insertion in model container [2024-05-12 12:51:33,523 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.05 12:51:33" (1/2) ... [2024-05-12 12:51:33,524 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3989fad2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.05 12:51:33, skipping insertion in model container [2024-05-12 12:51:33,524 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.05 12:51:33" (2/2) ... [2024-05-12 12:51:33,524 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3de228ef and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.05 12:51:33, skipping insertion in model container [2024-05-12 12:51:33,525 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.05 12:51:33" (2/2) ... [2024-05-12 12:51:33,525 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-05-12 12:51:33,626 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-05-12 12:51:33,627 INFO L97 edCorrectnessWitness]: Location invariant before [L7070-L7070] (((! multithreaded || jiffies == 0UL) && (! multithreaded || (unsigned int )default_alloc_size == 4U)) && (! multithreaded || _whoop_exit == & pc8736x_gpio_cleanup)) && (! multithreaded || _whoop_init == & pc8736x_gpio_init) [2024-05-12 12:51:33,627 INFO L97 edCorrectnessWitness]: Location invariant before [L7071-L7071] (((! multithreaded || jiffies == 0UL) && (! multithreaded || (unsigned int )default_alloc_size == 4U)) && (! multithreaded || _whoop_exit == & pc8736x_gpio_cleanup)) && (! multithreaded || _whoop_init == & pc8736x_gpio_init) [2024-05-12 12:51:33,627 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-05-12 12:51:33,627 INFO L106 edCorrectnessWitness]: ghost_update [L7069-L7069] multithreaded = 1; [2024-05-12 12:51:33,696 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-12 12:51:33,889 WARN L246 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_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i[5469,5482] [2024-05-12 12:51:36,333 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-05-12 12:51:36,333 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-05-12 12:51:36,368 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-05-12 12:51:36,429 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-05-12 12:51:36,459 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-12 12:51:36,467 WARN L246 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_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i[5469,5482] [2024-05-12 12:51:36,641 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-05-12 12:51:36,642 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-05-12 12:51:36,650 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-05-12 12:51:36,662 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-05-12 12:51:36,701 WARN L246 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_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i[5469,5482] [2024-05-12 12:51:36,777 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] [2024-05-12 12:51:36,780 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] [2024-05-12 12:51:36,780 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] [2024-05-12 12:51:36,780 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] [2024-05-12 12:51:36,918 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-05-12 12:51:36,961 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-05-12 12:51:36,962 WARN L1645 CHandler]: Possible shadowing of function iminor Start Parsing Local Start Parsing Local [2024-05-12 12:51:36,974 ERROR L334 MainTranslator]: Incorrect Syntax: Undeclared variable in ACSL expression: pc8736x_gpio_cleanup [2024-05-12 12:51:36,975 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3989fad2 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.05 12:51:36, skipping insertion in model container [2024-05-12 12:51:36,976 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-12 12:51:36,976 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-05-12 12:51:36,978 INFO L158 Benchmark]: Toolchain (without parser) took 3460.61ms. Allocated memory was 73.4MB in the beginning and 157.3MB in the end (delta: 83.9MB). Free memory was 41.7MB in the beginning and 69.0MB in the end (delta: -27.3MB). Peak memory consumption was 76.0MB. Max. memory is 16.1GB. [2024-05-12 12:51:36,978 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 56.6MB. Free memory was 39.1MB in the beginning and 39.0MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-05-12 12:51:36,978 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 73.4MB. Free memory is still 44.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-05-12 12:51:36,979 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3458.32ms. Allocated memory was 73.4MB in the beginning and 157.3MB in the end (delta: 83.9MB). Free memory was 41.4MB in the beginning and 69.0MB in the end (delta: -27.6MB). Peak memory consumption was 76.0MB. Max. memory is 16.1GB. [2024-05-12 12:51:36,981 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 56.6MB. Free memory was 39.1MB in the beginning and 39.0MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 73.4MB. Free memory is still 44.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3458.32ms. Allocated memory was 73.4MB in the beginning and 157.3MB in the end (delta: 83.9MB). Free memory was 41.4MB in the beginning and 69.0MB in the end (delta: -27.6MB). Peak memory consumption was 76.0MB. 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: 7070]: Incorrect Syntax Undeclared variable in ACSL expression: pc8736x_gpio_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