./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_get.i --full-output --validate ./goblint.2024-08-08_07-59-58.files/protection-ghost/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_get.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7bc0c755 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_current_pc8736x_gpio_get.i ./goblint.2024-08-08_07-59-58.files/protection-ghost/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_get.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.dk.goblint-validation-atomicfix-7bc0c75-m [2024-08-23 10:28:27,198 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-23 10:28:27,281 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-23 10:28:27,299 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-23 10:28:27,300 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-23 10:28:27,332 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-23 10:28:27,333 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-23 10:28:27,333 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-23 10:28:27,334 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-23 10:28:27,335 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-23 10:28:27,336 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-23 10:28:27,336 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-23 10:28:27,336 INFO L153 SettingsManager]: * Use SBE=true [2024-08-23 10:28:27,337 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-23 10:28:27,337 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-23 10:28:27,337 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-23 10:28:27,338 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-23 10:28:27,338 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-23 10:28:27,341 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-23 10:28:27,341 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-23 10:28:27,341 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-23 10:28:27,342 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-23 10:28:27,344 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-23 10:28:27,345 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-23 10:28:27,345 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-23 10:28:27,345 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-23 10:28:27,345 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-23 10:28:27,345 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-23 10:28:27,346 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-23 10:28:27,346 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-23 10:28:27,346 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-23 10:28:27,346 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-23 10:28:27,347 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-23 10:28:27,347 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-23 10:28:27,347 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-23 10:28:27,347 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-23 10:28:27,347 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-23 10:28:27,348 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-23 10:28:27,348 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-23 10:28:27,348 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-23 10:28:27,351 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-23 10:28:27,351 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-23 10:28:27,351 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2024-08-23 10:28:27,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-23 10:28:27,657 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-23 10:28:27,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-23 10:28:27,662 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-23 10:28:27,663 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-23 10:28:27,664 INFO L431 ainManager$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_current_pc8736x_gpio_get.yml/witness.yml [2024-08-23 10:28:27,777 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-23 10:28:27,778 INFO L274 PluginConnector]: CDTParser initialized [2024-08-23 10:28:27,778 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_get.i [2024-08-23 10:28:29,354 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-23 10:28:29,869 INFO L384 CDTParser]: Found 1 translation units. [2024-08-23 10:28:29,870 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_get.i [2024-08-23 10:28:29,915 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b0d56c1d2/76693fa96f274c86b53861a202e81f67/FLAG50d5efc1c [2024-08-23 10:28:29,938 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b0d56c1d2/76693fa96f274c86b53861a202e81f67 [2024-08-23 10:28:29,938 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-23 10:28:29,940 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-23 10:28:29,944 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-23 10:28:29,944 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-23 10:28:29,950 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-23 10:28:29,951 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 10:28:27" (1/2) ... [2024-08-23 10:28:29,952 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@633a77f0 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 10:28:29, skipping insertion in model container [2024-08-23 10:28:29,952 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 10:28:27" (1/2) ... [2024-08-23 10:28:29,954 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@62e87f0a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 10:28:29, skipping insertion in model container [2024-08-23 10:28:29,954 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.08 10:28:29" (2/2) ... [2024-08-23 10:28:29,955 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@633a77f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 10:28:29, skipping insertion in model container [2024-08-23 10:28:29,955 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.08 10:28:29" (2/2) ... [2024-08-23 10:28:29,956 INFO L81 nessWitnessExtractor]: Only extracting loop invariants from correctness witness [2024-08-23 10:28:30,006 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-23 10:28:30,009 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-23 10:28:30,010 INFO L106 edCorrectnessWitness]: ghost_update [L7069-L7069] multithreaded = 1; [2024-08-23 10:28:30,137 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-23 10:28:30,575 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_current_pc8736x_gpio_get.i[5469,5482] [2024-08-23 10:28:35,581 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-23 10:28:35,584 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-23 10:28:35,726 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-23 10:28:35,751 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-08-23 10:28:35,829 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_current_pc8736x_gpio_get.i[5469,5482] [2024-08-23 10:28:35,967 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] [2024-08-23 10:28:35,970 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] [2024-08-23 10:28:35,970 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] [2024-08-23 10:28:35,971 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] [2024-08-23 10:28:36,102 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-08-23 10:28:36,151 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-23 10:28:36,152 WARN L1645 CHandler]: Possible shadowing of function iminor Start Parsing Local [2024-08-23 10:28:36,168 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-23 10:28:36,520 ERROR L334 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-08-23 10:28:36,521 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@62e87f0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 10:28:36, skipping insertion in model container [2024-08-23 10:28:36,521 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-23 10:28:36,522 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-08-23 10:28:36,524 INFO L158 Benchmark]: Toolchain (without parser) took 6583.11ms. Allocated memory was 167.8MB in the beginning and 289.4MB in the end (delta: 121.6MB). Free memory was 96.2MB in the beginning and 218.1MB in the end (delta: -121.9MB). Peak memory consumption was 97.1MB. Max. memory is 16.1GB. [2024-08-23 10:28:36,524 INFO L158 Benchmark]: Witness Parser took 0.27ms. Allocated memory is still 167.8MB. Free memory is still 131.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-23 10:28:36,524 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 167.8MB. Free memory is still 127.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-23 10:28:36,525 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6577.73ms. Allocated memory was 167.8MB in the beginning and 289.4MB in the end (delta: 121.6MB). Free memory was 96.2MB in the beginning and 218.1MB in the end (delta: -121.9MB). Peak memory consumption was 97.1MB. Max. memory is 16.1GB. [2024-08-23 10:28:36,527 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 0.27ms. Allocated memory is still 167.8MB. Free memory is still 131.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.19ms. Allocated memory is still 167.8MB. Free memory is still 127.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6577.73ms. Allocated memory was 167.8MB in the beginning and 289.4MB in the end (delta: 121.6MB). Free memory was 96.2MB in the beginning and 218.1MB in the end (delta: -121.9MB). Peak memory consumption was 97.1MB. 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_current_pc8736x_gpio_get.i ./goblint.2024-08-08_07-59-58.files/protection-ghost/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_get.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.dk.goblint-validation-atomicfix-7bc0c75-m [2024-08-23 10:28:38,682 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-23 10:28:38,777 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2024-08-23 10:28:38,783 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-23 10:28:38,783 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-23 10:28:38,815 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-23 10:28:38,815 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-23 10:28:38,816 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-23 10:28:38,817 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-23 10:28:38,818 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-23 10:28:38,819 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-23 10:28:38,819 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-23 10:28:38,820 INFO L153 SettingsManager]: * Use SBE=true [2024-08-23 10:28:38,820 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-23 10:28:38,820 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-23 10:28:38,821 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-23 10:28:38,821 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-23 10:28:38,821 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-23 10:28:38,822 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-23 10:28:38,822 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-23 10:28:38,826 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-23 10:28:38,826 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-08-23 10:28:38,827 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-23 10:28:38,827 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-08-23 10:28:38,827 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-23 10:28:38,828 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-23 10:28:38,829 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-23 10:28:38,829 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-23 10:28:38,829 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-23 10:28:38,829 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-23 10:28:38,830 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-23 10:28:38,830 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-23 10:28:38,831 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-23 10:28:38,831 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-23 10:28:38,832 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-23 10:28:38,832 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-08-23 10:28:38,832 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-23 10:28:38,833 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-08-23 10:28:38,833 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-23 10:28:38,833 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-23 10:28:38,833 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-23 10:28:38,834 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-23 10:28:38,834 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-23 10:28:38,835 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-23 10:28:38,835 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2024-08-23 10:28:39,219 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-23 10:28:39,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-23 10:28:39,247 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-23 10:28:39,249 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-23 10:28:39,249 INFO L274 PluginConnector]: CDTParser initialized [2024-08-23 10:28:39,251 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_get.i [2024-08-23 10:28:40,809 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-23 10:28:41,358 INFO L384 CDTParser]: Found 1 translation units. [2024-08-23 10:28:41,360 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_get.i [2024-08-23 10:28:41,422 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/aa88ee0d9/92ba85257e2b4de2a92e1f9190df4850/FLAGbcf387585 [2024-08-23 10:28:41,442 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/aa88ee0d9/92ba85257e2b4de2a92e1f9190df4850 [2024-08-23 10:28:41,445 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-23 10:28:41,446 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-23 10:28:41,447 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/protection-ghost/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_get.yml/witness.yml [2024-08-23 10:28:41,558 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-23 10:28:41,560 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-23 10:28:41,561 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-23 10:28:41,561 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-23 10:28:41,566 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-23 10:28:41,567 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.08 10:28:41" (1/2) ... [2024-08-23 10:28:41,568 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b5a81b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 10:28:41, skipping insertion in model container [2024-08-23 10:28:41,568 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.08 10:28:41" (1/2) ... [2024-08-23 10:28:41,570 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@d527508 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 10:28:41, skipping insertion in model container [2024-08-23 10:28:41,571 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 10:28:41" (2/2) ... [2024-08-23 10:28:41,572 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b5a81b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 10:28:41, skipping insertion in model container [2024-08-23 10:28:41,572 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 10:28:41" (2/2) ... [2024-08-23 10:28:41,572 INFO L81 nessWitnessExtractor]: Only extracting loop invariants from correctness witness [2024-08-23 10:28:41,619 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-23 10:28:41,621 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-23 10:28:41,621 INFO L106 edCorrectnessWitness]: ghost_update [L7069-L7069] multithreaded = 1; [2024-08-23 10:28:41,754 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-23 10:28:42,142 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_current_pc8736x_gpio_get.i[5469,5482] [2024-08-23 10:28:46,857 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-23 10:28:46,858 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-23 10:28:46,960 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-23 10:28:46,984 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-08-23 10:28:47,035 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_current_pc8736x_gpio_get.i[5469,5482] [2024-08-23 10:28:47,180 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] [2024-08-23 10:28:47,182 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] [2024-08-23 10:28:47,182 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] [2024-08-23 10:28:47,183 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] [2024-08-23 10:28:47,336 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-08-23 10:28:47,384 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-23 10:28:47,384 WARN L1645 CHandler]: Possible shadowing of function iminor Start Parsing Local [2024-08-23 10:28:47,398 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-23 10:28:48,033 ERROR L334 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-08-23 10:28:48,034 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@d527508 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 10:28:48, skipping insertion in model container [2024-08-23 10:28:48,034 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-23 10:28:48,035 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-08-23 10:28:48,036 INFO L158 Benchmark]: Toolchain (without parser) took 6476.00ms. Allocated memory was 77.6MB in the beginning and 119.5MB in the end (delta: 41.9MB). Free memory was 50.6MB in the beginning and 42.6MB in the end (delta: 8.1MB). Peak memory consumption was 62.0MB. Max. memory is 16.1GB. [2024-08-23 10:28:48,037 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 54.5MB. Free memory is still 37.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-23 10:28:48,037 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 77.6MB. Free memory is still 54.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-23 10:28:48,038 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6473.51ms. Allocated memory was 77.6MB in the beginning and 119.5MB in the end (delta: 41.9MB). Free memory was 50.6MB in the beginning and 42.6MB in the end (delta: 8.1MB). Peak memory consumption was 62.0MB. Max. memory is 16.1GB. [2024-08-23 10:28:48,039 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 54.5MB. Free memory is still 37.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 77.6MB. Free memory is still 54.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6473.51ms. Allocated memory was 77.6MB in the beginning and 119.5MB in the end (delta: 41.9MB). Free memory was 50.6MB in the beginning and 42.6MB in the end (delta: 8.1MB). Peak memory consumption was 62.0MB. 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] - 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