./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.i --full-output --validate ./goblint.2024-08-08_07-59-58.files/protection-ghost/char_pc8736x_gpio_pc8736x_gpio_get_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_get_pc8736x_gpio_set.i ./goblint.2024-08-08_07-59-58.files/protection-ghost/char_pc8736x_gpio_pc8736x_gpio_get_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 03:20:39,296 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 03:20:39,383 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-14 03:20:39,388 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 03:20:39,389 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 03:20:39,421 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 03:20:39,421 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 03:20:39,422 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 03:20:39,423 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 03:20:39,424 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 03:20:39,425 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 03:20:39,425 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 03:20:39,426 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 03:20:39,426 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 03:20:39,426 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 03:20:39,427 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 03:20:39,427 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 03:20:39,430 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 03:20:39,430 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 03:20:39,431 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 03:20:39,431 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 03:20:39,432 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 03:20:39,432 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 03:20:39,433 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 03:20:39,433 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 03:20:39,434 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 03:20:39,434 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 03:20:39,434 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 03:20:39,435 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 03:20:39,435 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 03:20:39,435 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 03:20:39,436 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 03:20:39,436 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 03:20:39,437 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 03:20:39,437 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 03:20:39,438 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-14 03:20:39,438 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 03:20:39,438 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 03:20:39,439 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-14 03:20:39,439 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 03:20:39,439 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-14 03:20:39,440 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-14 03:20:39,440 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2024-08-14 03:20:39,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 03:20:39,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 03:20:39,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 03:20:39,733 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 03:20:39,734 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 03:20:39,736 INFO L431 ainManager$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_get_pc8736x_gpio_set.yml/witness.yml [2024-08-14 03:20:39,841 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 03:20:39,841 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 03:20:39,842 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.i [2024-08-14 03:20:41,294 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 03:20:41,758 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 03:20:41,758 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.i [2024-08-14 03:20:41,808 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/58973ce9a/5d2a3a37d9184f33bfbca6428c8a5eeb/FLAG7328176ec [2024-08-14 03:20:41,827 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/58973ce9a/5d2a3a37d9184f33bfbca6428c8a5eeb [2024-08-14 03:20:41,828 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 03:20:41,830 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-14 03:20:41,833 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 03:20:41,834 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 03:20:41,840 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 03:20:41,841 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 03:20:39" (1/2) ... [2024-08-14 03:20:41,842 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@279a1316 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 03:20:41, skipping insertion in model container [2024-08-14 03:20:41,842 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 03:20:39" (1/2) ... [2024-08-14 03:20:41,843 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4f6c0578 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 03:20:41, skipping insertion in model container [2024-08-14 03:20:41,843 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 03:20:41" (2/2) ... [2024-08-14 03:20:41,844 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@279a1316 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:20:41, skipping insertion in model container [2024-08-14 03:20:41,844 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 03:20:41" (2/2) ... [2024-08-14 03:20:41,844 INFO L81 nessWitnessExtractor]: Only extracting loop invariants from correctness witness [2024-08-14 03:20:41,898 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-14 03:20:41,899 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-14 03:20:41,900 INFO L106 edCorrectnessWitness]: ghost_update [L7069-L7069] multithreaded = 1; [2024-08-14 03:20:42,038 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-14 03:20:42,457 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_get_pc8736x_gpio_set.i[5469,5482] [2024-08-14 03:20:47,313 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-14 03:20:47,314 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-14 03:20:47,423 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 03:20:47,449 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-08-14 03:20:47,496 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_get_pc8736x_gpio_set.i[5469,5482] [2024-08-14 03:20:47,617 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 03:20:47,620 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 03:20:47,620 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 03:20:47,620 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 03:20:47,819 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-08-14 03:20:47,883 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-14 03:20:47,883 WARN L1645 CHandler]: Possible shadowing of function iminor Start Parsing Local [2024-08-14 03:20:47,918 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 03:20:48,441 ERROR L334 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-08-14 03:20:48,442 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4f6c0578 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:20:48, skipping insertion in model container [2024-08-14 03:20:48,442 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 03:20:48,442 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-08-14 03:20:48,444 INFO L158 Benchmark]: Toolchain (without parser) took 6613.55ms. Allocated memory was 148.9MB in the beginning and 293.6MB in the end (delta: 144.7MB). Free memory was 78.6MB in the beginning and 198.8MB in the end (delta: -120.2MB). Peak memory consumption was 125.9MB. Max. memory is 16.1GB. [2024-08-14 03:20:48,444 INFO L158 Benchmark]: Witness Parser took 0.22ms. Allocated memory is still 148.9MB. Free memory is still 108.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 03:20:48,445 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 148.9MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 03:20:48,445 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6608.53ms. Allocated memory was 148.9MB in the beginning and 293.6MB in the end (delta: 144.7MB). Free memory was 78.3MB in the beginning and 198.8MB in the end (delta: -120.5MB). Peak memory consumption was 125.9MB. Max. memory is 16.1GB. [2024-08-14 03:20:48,447 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 0.22ms. Allocated memory is still 148.9MB. Free memory is still 108.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.24ms. Allocated memory is still 148.9MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6608.53ms. Allocated memory was 148.9MB in the beginning and 293.6MB in the end (delta: 144.7MB). Free memory was 78.3MB in the beginning and 198.8MB in the end (delta: -120.5MB). Peak memory consumption was 125.9MB. 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_get_pc8736x_gpio_set.i ./goblint.2024-08-08_07-59-58.files/protection-ghost/char_pc8736x_gpio_pc8736x_gpio_get_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 03:20:50,541 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 03:20:50,614 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2024-08-14 03:20:50,623 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 03:20:50,623 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 03:20:50,656 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 03:20:50,657 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 03:20:50,657 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 03:20:50,658 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 03:20:50,660 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 03:20:50,661 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 03:20:50,661 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 03:20:50,662 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 03:20:50,662 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 03:20:50,662 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 03:20:50,663 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 03:20:50,663 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 03:20:50,663 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 03:20:50,664 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 03:20:50,664 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 03:20:50,667 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 03:20:50,668 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-08-14 03:20:50,668 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 03:20:50,668 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-08-14 03:20:50,668 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 03:20:50,669 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 03:20:50,669 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 03:20:50,669 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 03:20:50,670 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 03:20:50,670 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 03:20:50,670 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 03:20:50,670 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 03:20:50,671 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 03:20:50,671 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 03:20:50,675 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 03:20:50,675 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-08-14 03:20:50,675 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-14 03:20:50,676 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-08-14 03:20:50,676 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 03:20:50,676 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-14 03:20:50,677 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 03:20:50,678 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-14 03:20:50,678 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-14 03:20:50,678 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 03:20:50,678 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2024-08-14 03:20:51,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 03:20:51,040 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 03:20:51,044 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 03:20:51,045 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 03:20:51,045 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 03:20:51,047 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.i [2024-08-14 03:20:52,584 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 03:20:53,121 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 03:20:53,122 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.i [2024-08-14 03:20:53,180 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a89fd70b8/20c716b547cb460d86d6e043585ae0e0/FLAG8dd87d4c4 [2024-08-14 03:20:53,198 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a89fd70b8/20c716b547cb460d86d6e043585ae0e0 [2024-08-14 03:20:53,205 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 03:20:53,206 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 03:20:53,207 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/protection-ghost/char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.yml/witness.yml [2024-08-14 03:20:53,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 03:20:53,317 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-14 03:20:53,319 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 03:20:53,320 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 03:20:53,325 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 03:20:53,326 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 03:20:53" (1/2) ... [2024-08-14 03:20:53,327 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@273f7f8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:20:53, skipping insertion in model container [2024-08-14 03:20:53,327 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 03:20:53" (1/2) ... [2024-08-14 03:20:53,328 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@20bb16b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:20:53, skipping insertion in model container [2024-08-14 03:20:53,328 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 03:20:53" (2/2) ... [2024-08-14 03:20:53,329 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@273f7f8b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 03:20:53, skipping insertion in model container [2024-08-14 03:20:53,330 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 03:20:53" (2/2) ... [2024-08-14 03:20:53,331 INFO L81 nessWitnessExtractor]: Only extracting loop invariants from correctness witness [2024-08-14 03:20:53,392 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-14 03:20:53,393 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-14 03:20:53,393 INFO L106 edCorrectnessWitness]: ghost_update [L7069-L7069] multithreaded = 1; [2024-08-14 03:20:53,505 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-14 03:20:53,905 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_get_pc8736x_gpio_set.i[5469,5482] [2024-08-14 03:20:57,998 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-14 03:20:57,999 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-14 03:20:58,067 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 03:20:58,089 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-08-14 03:20:58,152 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_get_pc8736x_gpio_set.i[5469,5482] [2024-08-14 03:20:58,320 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 03:20:58,322 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 03:20:58,323 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 03:20:58,323 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 03:20:58,446 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-08-14 03:20:58,486 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-14 03:20:58,486 WARN L1645 CHandler]: Possible shadowing of function iminor Start Parsing Local [2024-08-14 03:20:58,501 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 03:20:59,133 ERROR L334 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-08-14 03:20:59,141 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@20bb16b3 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 03:20:59, skipping insertion in model container [2024-08-14 03:20:59,141 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 03:20:59,142 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-08-14 03:20:59,147 INFO L158 Benchmark]: Toolchain (without parser) took 5828.70ms. Allocated memory was 62.9MB in the beginning and 130.0MB in the end (delta: 67.1MB). Free memory was 28.4MB in the beginning and 60.6MB in the end (delta: -32.2MB). Peak memory consumption was 73.5MB. Max. memory is 16.1GB. [2024-08-14 03:20:59,149 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 50.3MB. Free memory is still 33.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 03:20:59,149 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 62.9MB. Free memory is still 31.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 03:20:59,150 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5822.46ms. Allocated memory was 62.9MB in the beginning and 130.0MB in the end (delta: 67.1MB). Free memory was 28.2MB in the beginning and 60.6MB in the end (delta: -32.4MB). Peak memory consumption was 73.5MB. Max. memory is 16.1GB. [2024-08-14 03:20:59,152 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 50.3MB. Free memory is still 33.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 62.9MB. Free memory is still 31.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5822.46ms. Allocated memory was 62.9MB in the beginning and 130.0MB in the end (delta: 67.1MB). Free memory was 28.2MB in the beginning and 60.6MB in the end (delta: -32.4MB). Peak memory consumption was 73.5MB. 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