./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_set.i --full-output --validate ./goblint.2024-08-08_07-59-58.files/protection-ghost/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.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_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i ./goblint.2024-08-08_07-59-58.files/protection-ghost/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-c091e2e-m [2024-08-14 03:20:31,469 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 03:20:31,544 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-14 03:20:31,548 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 03:20:31,549 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 03:20:31,563 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 03:20:31,563 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 03:20:31,563 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 03:20:31,564 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 03:20:31,564 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 03:20:31,565 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 03:20:31,565 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 03:20:31,565 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 03:20:31,566 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 03:20:31,566 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 03:20:31,566 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 03:20:31,567 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 03:20:31,567 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 03:20:31,567 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 03:20:31,568 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 03:20:31,568 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 03:20:31,568 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 03:20:31,569 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 03:20:31,569 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 03:20:31,569 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 03:20:31,570 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 03:20:31,570 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 03:20:31,570 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 03:20:31,571 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 03:20:31,571 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 03:20:31,571 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 03:20:31,572 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 03:20:31,572 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 03:20:31,572 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 03:20:31,573 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 03:20:31,573 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-14 03:20:31,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 03:20:31,573 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 03:20:31,574 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-14 03:20:31,574 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 03:20:31,574 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-14 03:20:31,575 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-14 03:20:31,575 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2024-08-14 03:20:31,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 03:20:31,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 03:20:31,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 03:20:31,816 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 03:20:31,817 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 03:20:31,818 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i [2024-08-14 03:20:33,253 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 03:20:33,667 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 03:20:33,668 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i [2024-08-14 03:20:33,709 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9d62349e0/7510a10d8d8040deab86f5b72a8ea328/FLAG91a9321e9 [2024-08-14 03:20:33,723 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9d62349e0/7510a10d8d8040deab86f5b72a8ea328 [2024-08-14 03:20:33,726 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 03:20:33,726 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 03:20:33,727 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/protection-ghost/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.yml/witness.yml [2024-08-14 03:20:33,820 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 03:20:33,821 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-14 03:20:33,822 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 03:20:33,822 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 03:20:33,826 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 03:20:33,827 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 03:20:33" (1/2) ... [2024-08-14 03:20:33,827 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@574f1328 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:20:33, skipping insertion in model container [2024-08-14 03:20:33,828 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 03:20:33" (1/2) ... [2024-08-14 03:20:33,829 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@241a8b91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:20:33, skipping insertion in model container [2024-08-14 03:20:33,829 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 03:20:33" (2/2) ... [2024-08-14 03:20:33,830 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@574f1328 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 03:20:33, skipping insertion in model container [2024-08-14 03:20:33,830 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 03:20:33" (2/2) ... [2024-08-14 03:20:33,831 INFO L81 nessWitnessExtractor]: Only extracting loop invariants from correctness witness [2024-08-14 03:20:33,866 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-14 03:20:33,868 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-14 03:20:33,868 INFO L106 edCorrectnessWitness]: ghost_update [L7076-L7076] multithreaded = 1; [2024-08-14 03:20:33,987 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-14 03:20:34,381 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_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i[5469,5482] [2024-08-14 03:20:38,327 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-14 03:20:38,329 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-14 03:20:38,379 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 03:20:38,394 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-08-14 03:20:38,438 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_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i[5469,5482] [2024-08-14 03:20:38,530 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2024-08-14 03:20:38,533 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2024-08-14 03:20:38,533 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2024-08-14 03:20:38,533 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2024-08-14 03:20:38,654 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-08-14 03:20:38,689 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-14 03:20:38,690 WARN L1645 CHandler]: Possible shadowing of function iminor Start Parsing Local [2024-08-14 03:20:38,701 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 03:20:39,117 ERROR L334 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-08-14 03:20:39,117 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@241a8b91 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 03:20:39, skipping insertion in model container [2024-08-14 03:20:39,117 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 03:20:39,117 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-08-14 03:20:39,120 INFO L158 Benchmark]: Toolchain (without parser) took 5297.57ms. Allocated memory was 184.5MB in the beginning and 339.7MB in the end (delta: 155.2MB). Free memory was 113.8MB in the beginning and 146.1MB in the end (delta: -32.2MB). Peak memory consumption was 194.7MB. Max. memory is 16.1GB. [2024-08-14 03:20:39,121 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 184.5MB. Free memory is still 143.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 03:20:39,122 INFO L158 Benchmark]: Witness Parser took 0.58ms. Allocated memory is still 184.5MB. Free memory is still 117.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 03:20:39,122 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5295.72ms. Allocated memory was 184.5MB in the beginning and 339.7MB in the end (delta: 155.2MB). Free memory was 113.4MB in the beginning and 146.1MB in the end (delta: -32.6MB). Peak memory consumption was 194.7MB. Max. memory is 16.1GB. [2024-08-14 03:20:39,124 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 184.5MB. Free memory is still 143.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.58ms. Allocated memory is still 184.5MB. Free memory is still 117.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5295.72ms. Allocated memory was 184.5MB in the beginning and 339.7MB in the end (delta: 155.2MB). Free memory was 113.4MB in the beginning and 146.1MB in the end (delta: -32.6MB). Peak memory consumption was 194.7MB. 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 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_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i ./goblint.2024-08-08_07-59-58.files/protection-ghost/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-c091e2e-m [2024-08-14 03:20:41,163 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 03:20:41,215 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2024-08-14 03:20:41,220 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 03:20:41,220 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 03:20:41,246 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 03:20:41,248 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 03:20:41,248 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 03:20:41,250 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 03:20:41,250 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 03:20:41,250 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 03:20:41,250 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 03:20:41,251 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 03:20:41,251 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 03:20:41,251 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 03:20:41,251 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 03:20:41,252 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 03:20:41,252 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 03:20:41,252 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 03:20:41,252 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 03:20:41,252 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 03:20:41,255 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-08-14 03:20:41,256 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 03:20:41,256 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-08-14 03:20:41,256 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 03:20:41,256 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 03:20:41,256 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 03:20:41,257 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 03:20:41,257 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 03:20:41,257 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 03:20:41,257 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 03:20:41,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 03:20:41,257 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 03:20:41,265 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 03:20:41,265 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 03:20:41,265 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-08-14 03:20:41,265 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-14 03:20:41,266 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-08-14 03:20:41,266 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 03:20:41,266 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-14 03:20:41,266 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 03:20:41,266 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-14 03:20:41,267 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-14 03:20:41,267 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 03:20:41,267 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2024-08-14 03:20:41,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 03:20:41,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 03:20:41,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 03:20:41,566 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 03:20:41,567 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 03:20:41,568 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i [2024-08-14 03:20:43,004 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 03:20:43,354 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 03:20:43,355 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i [2024-08-14 03:20:43,391 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b7fe04722/009db39e79604b97a2977145dd619ef4/FLAG63e195294 [2024-08-14 03:20:43,409 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b7fe04722/009db39e79604b97a2977145dd619ef4 [2024-08-14 03:20:43,412 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 03:20:43,413 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 03:20:43,414 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/protection-ghost/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.yml/witness.yml [2024-08-14 03:20:43,508 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 03:20:43,509 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-14 03:20:43,510 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 03:20:43,510 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 03:20:43,514 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 03:20:43,515 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 03:20:43" (1/2) ... [2024-08-14 03:20:43,516 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b7ccfc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:20:43, skipping insertion in model container [2024-08-14 03:20:43,516 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 03:20:43" (1/2) ... [2024-08-14 03:20:43,517 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4dd36488 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:20:43, skipping insertion in model container [2024-08-14 03:20:43,517 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 03:20:43" (2/2) ... [2024-08-14 03:20:43,518 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b7ccfc3 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 03:20:43, skipping insertion in model container [2024-08-14 03:20:43,518 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 03:20:43" (2/2) ... [2024-08-14 03:20:43,519 INFO L81 nessWitnessExtractor]: Only extracting loop invariants from correctness witness [2024-08-14 03:20:43,554 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-14 03:20:43,555 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-14 03:20:43,556 INFO L106 edCorrectnessWitness]: ghost_update [L7076-L7076] multithreaded = 1; [2024-08-14 03:20:43,672 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-14 03:20:44,048 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_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i[5469,5482] [2024-08-14 03:20:47,848 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-14 03:20:47,851 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-14 03:20:47,922 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 03:20:47,945 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-08-14 03:20:47,992 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_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i[5469,5482] [2024-08-14 03:20:48,161 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2024-08-14 03:20:48,167 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2024-08-14 03:20:48,167 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2024-08-14 03:20:48,167 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2024-08-14 03:20:48,391 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-08-14 03:20:48,468 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-14 03:20:48,469 WARN L1645 CHandler]: Possible shadowing of function iminor Start Parsing Local [2024-08-14 03:20:48,480 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 03:20:48,997 ERROR L334 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-08-14 03:20:49,001 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4dd36488 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 03:20:49, skipping insertion in model container [2024-08-14 03:20:49,001 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 03:20:49,001 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-08-14 03:20:49,003 INFO L158 Benchmark]: Toolchain (without parser) took 5493.42ms. Allocated memory was 67.1MB in the beginning and 157.3MB in the end (delta: 90.2MB). Free memory was 34.0MB in the beginning and 60.5MB in the end (delta: -26.4MB). Peak memory consumption was 71.5MB. Max. memory is 16.1GB. [2024-08-14 03:20:49,003 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 52.4MB. Free memory is still 27.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 03:20:49,004 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 67.1MB. Free memory was 37.6MB in the beginning and 37.4MB in the end (delta: 174.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 03:20:49,006 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5491.66ms. Allocated memory was 67.1MB in the beginning and 157.3MB in the end (delta: 90.2MB). Free memory was 34.0MB in the beginning and 60.5MB in the end (delta: -26.4MB). Peak memory consumption was 71.5MB. Max. memory is 16.1GB. [2024-08-14 03:20:49,008 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 52.4MB. Free memory is still 27.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 67.1MB. Free memory was 37.6MB in the beginning and 37.4MB in the end (delta: 174.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5491.66ms. Allocated memory was 67.1MB in the beginning and 157.3MB in the end (delta: 90.2MB). Free memory was 34.0MB in the beginning and 60.5MB in the end (delta: -26.4MB). Peak memory consumption was 71.5MB. 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