./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 --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-06-19_11-23-25.files/mutex-meet-rel/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2cc22fce 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.2024-06-19_11-23-25.files/mutex-meet-rel/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 --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-2cc22fc-m [2024-07-22 20:13:10,421 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-07-22 20:13:10,494 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-07-22 20:13:10,505 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-07-22 20:13:10,506 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-07-22 20:13:10,535 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-07-22 20:13:10,535 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-07-22 20:13:10,536 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-07-22 20:13:10,537 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-07-22 20:13:10,540 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-07-22 20:13:10,541 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-07-22 20:13:10,541 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-07-22 20:13:10,542 INFO L153 SettingsManager]: * Use SBE=true [2024-07-22 20:13:10,543 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-07-22 20:13:10,543 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-07-22 20:13:10,544 INFO L153 SettingsManager]: * sizeof long=4 [2024-07-22 20:13:10,544 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-07-22 20:13:10,544 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-07-22 20:13:10,544 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-07-22 20:13:10,545 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-07-22 20:13:10,545 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-07-22 20:13:10,545 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-07-22 20:13:10,546 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-07-22 20:13:10,546 INFO L153 SettingsManager]: * sizeof long double=12 [2024-07-22 20:13:10,546 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-07-22 20:13:10,546 INFO L153 SettingsManager]: * Use constant arrays=true [2024-07-22 20:13:10,547 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-07-22 20:13:10,547 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-07-22 20:13:10,547 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-07-22 20:13:10,548 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-07-22 20:13:10,549 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-22 20:13:10,549 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-07-22 20:13:10,549 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-07-22 20:13:10,549 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-07-22 20:13:10,550 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-07-22 20:13:10,550 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-07-22 20:13:10,550 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-07-22 20:13:10,550 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-07-22 20:13:10,550 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-07-22 20:13:10,551 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-07-22 20:13:10,551 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-07-22 20:13:10,551 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-07-22 20:13:10,551 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-07-22 20:13:10,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-07-22 20:13:10,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-07-22 20:13:10,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-07-22 20:13:10,826 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-07-22 20:13:10,826 INFO L274 PluginConnector]: Witness Parser initialized [2024-07-22 20:13:10,828 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-06-19_11-23-25.files/mutex-meet-rel/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.yml/witness.yml [2024-07-22 20:13:10,945 INFO L270 PluginConnector]: Initializing CDTParser... [2024-07-22 20:13:10,945 INFO L274 PluginConnector]: CDTParser initialized [2024-07-22 20:13:10,947 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i [2024-07-22 20:13:12,109 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-07-22 20:13:12,614 INFO L384 CDTParser]: Found 1 translation units. [2024-07-22 20:13:12,615 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i [2024-07-22 20:13:12,663 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/527a6e1bb/e2ca772e5bb84bf78fef655f617464f9/FLAG05edfa873 [2024-07-22 20:13:12,683 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/527a6e1bb/e2ca772e5bb84bf78fef655f617464f9 [2024-07-22 20:13:12,684 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-07-22 20:13:12,685 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-07-22 20:13:12,688 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-07-22 20:13:12,689 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-07-22 20:13:12,693 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-07-22 20:13:12,694 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 08:13:10" (1/2) ... [2024-07-22 20:13:12,695 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3483a229 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 08:13:12, skipping insertion in model container [2024-07-22 20:13:12,695 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 08:13:10" (1/2) ... [2024-07-22 20:13:12,697 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2217f092 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 08:13:12, skipping insertion in model container [2024-07-22 20:13:12,697 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 08:13:12" (2/2) ... [2024-07-22 20:13:12,698 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3483a229 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 08:13:12, skipping insertion in model container [2024-07-22 20:13:12,699 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 08:13:12" (2/2) ... [2024-07-22 20:13:12,699 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-07-22 20:13:12,775 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-07-22 20:13:12,776 INFO L97 edCorrectnessWitness]: Location invariant before [L7078-L7078] ! multithreaded || (-53LL + (long long )selected_device) + (long long )superio_cmd >= 0LL [2024-07-22 20:13:12,777 INFO L97 edCorrectnessWitness]: Location invariant before [L7077-L7077] ! multithreaded || (-53LL + (long long )selected_device) + (long long )superio_cmd >= 0LL [2024-07-22 20:13:12,777 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-07-22 20:13:12,777 INFO L106 edCorrectnessWitness]: ghost_update [L7076-L7076] multithreaded = 1; [2024-07-22 20:13:12,873 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-07-22 20:13:16,965 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-07-22 20:13:16,968 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-07-22 20:13:17,061 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-22 20:13:17,085 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-07-22 20:13:17,276 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] [2024-07-22 20:13:17,278 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] [2024-07-22 20:13:17,279 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] [2024-07-22 20:13:17,279 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] [2024-07-22 20:13:17,379 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-07-22 20:13:17,417 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-07-22 20:13:17,417 WARN L1645 CHandler]: Possible shadowing of function iminor Start Parsing Local Start Parsing Local Start Parsing Local [2024-07-22 20:13:17,433 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-22 20:13:17,836 ERROR L334 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-07-22 20:13:17,837 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2217f092 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 08:13:17, skipping insertion in model container [2024-07-22 20:13:17,837 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-07-22 20:13:17,838 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-07-22 20:13:17,839 INFO L158 Benchmark]: Toolchain (without parser) took 5153.45ms. Allocated memory was 161.5MB in the beginning and 222.3MB in the end (delta: 60.8MB). Free memory was 126.9MB in the beginning and 111.8MB in the end (delta: 15.2MB). Peak memory consumption was 118.4MB. Max. memory is 16.1GB. [2024-07-22 20:13:17,840 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 113.2MB. Free memory is still 78.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-22 20:13:17,840 INFO L158 Benchmark]: CDTParser took 1.15ms. Allocated memory is still 161.5MB. Free memory is still 136.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-22 20:13:17,841 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5149.24ms. Allocated memory was 161.5MB in the beginning and 222.3MB in the end (delta: 60.8MB). Free memory was 126.9MB in the beginning and 111.8MB in the end (delta: 15.2MB). Peak memory consumption was 118.4MB. Max. memory is 16.1GB. [2024-07-22 20:13:17,842 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 0.21ms. Allocated memory is still 113.2MB. Free memory is still 78.5MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 1.15ms. Allocated memory is still 161.5MB. Free memory is still 136.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5149.24ms. Allocated memory was 161.5MB in the beginning and 222.3MB in the end (delta: 60.8MB). Free memory was 126.9MB in the beginning and 111.8MB in the end (delta: 15.2MB). Peak memory consumption was 118.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 5814]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] - 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.2024-06-19_11-23-25.files/mutex-meet-rel/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 --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-2cc22fc-m [2024-07-22 20:13:19,868 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-07-22 20:13:19,960 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2024-07-22 20:13:19,968 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-07-22 20:13:19,969 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-07-22 20:13:20,001 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-07-22 20:13:20,003 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-07-22 20:13:20,003 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-07-22 20:13:20,004 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-07-22 20:13:20,008 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-07-22 20:13:20,008 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-07-22 20:13:20,009 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-07-22 20:13:20,009 INFO L153 SettingsManager]: * Use SBE=true [2024-07-22 20:13:20,011 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-07-22 20:13:20,011 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-07-22 20:13:20,011 INFO L153 SettingsManager]: * sizeof long=4 [2024-07-22 20:13:20,011 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-07-22 20:13:20,012 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-07-22 20:13:20,012 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-07-22 20:13:20,012 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-07-22 20:13:20,013 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-07-22 20:13:20,013 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-07-22 20:13:20,013 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-07-22 20:13:20,014 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-07-22 20:13:20,014 INFO L153 SettingsManager]: * sizeof long double=12 [2024-07-22 20:13:20,014 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-07-22 20:13:20,014 INFO L153 SettingsManager]: * Use constant arrays=true [2024-07-22 20:13:20,015 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-07-22 20:13:20,015 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-07-22 20:13:20,015 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-07-22 20:13:20,016 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-07-22 20:13:20,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-22 20:13:20,017 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-07-22 20:13:20,017 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-07-22 20:13:20,026 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-07-22 20:13:20,026 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-07-22 20:13:20,026 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-07-22 20:13:20,027 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-07-22 20:13:20,027 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-07-22 20:13:20,028 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-07-22 20:13:20,028 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-07-22 20:13:20,028 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-07-22 20:13:20,029 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-07-22 20:13:20,029 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-07-22 20:13:20,029 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-07-22 20:13:20,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-07-22 20:13:20,388 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-07-22 20:13:20,391 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-07-22 20:13:20,392 INFO L270 PluginConnector]: Initializing CDTParser... [2024-07-22 20:13:20,393 INFO L274 PluginConnector]: CDTParser initialized [2024-07-22 20:13:20,394 INFO L431 ainManager$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 [2024-07-22 20:13:21,688 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-07-22 20:13:22,210 INFO L384 CDTParser]: Found 1 translation units. [2024-07-22 20:13:22,211 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i [2024-07-22 20:13:22,259 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/1c3959263/b3a38570d5f84d92a547d23314c497b9/FLAG32961c1ae [2024-07-22 20:13:22,274 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/1c3959263/b3a38570d5f84d92a547d23314c497b9 [2024-07-22 20:13:22,277 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-07-22 20:13:22,278 INFO L274 PluginConnector]: Witness Parser initialized [2024-07-22 20:13:22,279 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-06-19_11-23-25.files/mutex-meet-rel/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.yml/witness.yml [2024-07-22 20:13:22,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-07-22 20:13:22,362 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-07-22 20:13:22,363 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-07-22 20:13:22,363 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-07-22 20:13:22,368 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-07-22 20:13:22,369 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 08:13:22" (1/2) ... [2024-07-22 20:13:22,370 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@217c0f21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 08:13:22, skipping insertion in model container [2024-07-22 20:13:22,370 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 08:13:22" (1/2) ... [2024-07-22 20:13:22,371 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@372d8601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 08:13:22, skipping insertion in model container [2024-07-22 20:13:22,371 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 08:13:22" (2/2) ... [2024-07-22 20:13:22,374 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@217c0f21 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 08:13:22, skipping insertion in model container [2024-07-22 20:13:22,374 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 08:13:22" (2/2) ... [2024-07-22 20:13:22,375 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-07-22 20:13:22,458 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-07-22 20:13:22,459 INFO L97 edCorrectnessWitness]: Location invariant before [L7077-L7077] ! multithreaded || (-53LL + (long long )selected_device) + (long long )superio_cmd >= 0LL [2024-07-22 20:13:22,460 INFO L97 edCorrectnessWitness]: Location invariant before [L7078-L7078] ! multithreaded || (-53LL + (long long )selected_device) + (long long )superio_cmd >= 0LL [2024-07-22 20:13:22,460 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-07-22 20:13:22,460 INFO L106 edCorrectnessWitness]: ghost_update [L7076-L7076] multithreaded = 1; [2024-07-22 20:13:22,563 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-07-22 20:13:25,963 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-07-22 20:13:25,963 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-07-22 20:13:26,032 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-22 20:13:26,058 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-07-22 20:13:26,267 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] [2024-07-22 20:13:26,269 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] [2024-07-22 20:13:26,270 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] [2024-07-22 20:13:26,270 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] [2024-07-22 20:13:26,372 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-07-22 20:13:26,410 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-07-22 20:13:26,410 WARN L1645 CHandler]: Possible shadowing of function iminor Start Parsing Local Start Parsing Local Start Parsing Local [2024-07-22 20:13:26,425 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-22 20:13:27,022 ERROR L334 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-07-22 20:13:27,023 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@372d8601 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 08:13:27, skipping insertion in model container [2024-07-22 20:13:27,023 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-07-22 20:13:27,023 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-07-22 20:13:27,025 INFO L158 Benchmark]: Toolchain (without parser) took 4661.82ms. Allocated memory was 60.8MB in the beginning and 138.4MB in the end (delta: 77.6MB). Free memory was 25.1MB in the beginning and 71.3MB in the end (delta: -46.3MB). Peak memory consumption was 76.1MB. Max. memory is 16.1GB. [2024-07-22 20:13:27,025 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 60.8MB. Free memory was 35.8MB in the beginning and 35.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-07-22 20:13:27,026 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 60.8MB. Free memory is still 27.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-22 20:13:27,026 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4659.94ms. Allocated memory was 60.8MB in the beginning and 138.4MB in the end (delta: 77.6MB). Free memory was 24.9MB in the beginning and 71.3MB in the end (delta: -46.4MB). Peak memory consumption was 76.1MB. Max. memory is 16.1GB. [2024-07-22 20:13:27,028 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 60.8MB. Free memory was 35.8MB in the beginning and 35.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.19ms. Allocated memory is still 60.8MB. Free memory is still 27.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4659.94ms. Allocated memory was 60.8MB in the beginning and 138.4MB in the end (delta: 77.6MB). Free memory was 24.9MB in the beginning and 71.3MB in the end (delta: -46.4MB). Peak memory consumption was 76.1MB. 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 Writing output log to file Ultimate.log Result: UNKNOWN