./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_set.i --full-output --validate ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_set.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_configure_pc8736x_gpio_set.i ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/char_pc8736x_gpio_pc8736x_gpio_configure_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.dk.goblint-validation-atomicfix-7bc0c75-m [2024-08-22 19:34:15,662 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-22 19:34:15,718 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-22 19:34:15,725 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-22 19:34:15,725 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-22 19:34:15,743 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-22 19:34:15,743 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-22 19:34:15,743 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-22 19:34:15,744 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-22 19:34:15,744 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-22 19:34:15,744 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-22 19:34:15,744 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-22 19:34:15,745 INFO L153 SettingsManager]: * Use SBE=true [2024-08-22 19:34:15,745 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-22 19:34:15,745 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-22 19:34:15,745 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-22 19:34:15,745 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-22 19:34:15,746 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-22 19:34:15,746 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-22 19:34:15,746 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-22 19:34:15,746 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-22 19:34:15,747 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-22 19:34:15,747 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-22 19:34:15,747 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-22 19:34:15,747 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-22 19:34:15,747 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-22 19:34:15,748 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-22 19:34:15,748 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-22 19:34:15,748 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-22 19:34:15,748 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-22 19:34:15,748 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-22 19:34:15,749 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-22 19:34:15,749 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-22 19:34:15,749 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-22 19:34:15,749 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-22 19:34:15,749 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-22 19:34:15,749 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-22 19:34:15,750 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-22 19:34:15,750 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-22 19:34:15,750 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-22 19:34:15,750 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-22 19:34:15,750 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-22 19:34:15,751 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2024-08-22 19:34:15,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-22 19:34:15,941 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-22 19:34:15,944 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-22 19:34:15,945 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-22 19:34:15,945 INFO L274 PluginConnector]: CDTParser initialized [2024-08-22 19:34:15,946 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_set.i [2024-08-22 19:34:17,129 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-22 19:34:17,486 INFO L384 CDTParser]: Found 1 translation units. [2024-08-22 19:34:17,486 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_set.i [2024-08-22 19:34:17,524 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/4d185515e/7091977834fe4442a3fcfe247ffb06aa/FLAG41ac32210 [2024-08-22 19:34:17,536 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/4d185515e/7091977834fe4442a3fcfe247ffb06aa [2024-08-22 19:34:17,540 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-22 19:34:17,540 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-22 19:34:17,541 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_set.yml/witness.yml [2024-08-22 19:34:17,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-22 19:34:17,656 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-22 19:34:17,656 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-22 19:34:17,657 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-22 19:34:17,661 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-22 19:34:17,661 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:34:17" (1/2) ... [2024-08-22 19:34:17,671 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40f35e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:34:17, skipping insertion in model container [2024-08-22 19:34:17,671 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:34:17" (1/2) ... [2024-08-22 19:34:17,674 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@37b0ab71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:34:17, skipping insertion in model container [2024-08-22 19:34:17,674 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.08 07:34:17" (2/2) ... [2024-08-22 19:34:17,674 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40f35e8 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 07:34:17, skipping insertion in model container [2024-08-22 19:34:17,675 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.08 07:34:17" (2/2) ... [2024-08-22 19:34:17,675 INFO L81 nessWitnessExtractor]: Only extracting loop invariants from correctness witness [2024-08-22 19:34:17,716 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-22 19:34:17,716 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-22 19:34:17,716 INFO L106 edCorrectnessWitness]: ghost_update [L7068-L7068] multithreaded = 1; [2024-08-22 19:34:17,790 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-22 19:34:18,028 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_configure_pc8736x_gpio_set.i[5469,5482] [2024-08-22 19:34:20,614 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-22 19:34:20,615 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-22 19:34:20,655 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-22 19:34:20,671 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-08-22 19:34:20,710 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_configure_pc8736x_gpio_set.i[5469,5482] [2024-08-22 19:34:20,831 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] [2024-08-22 19:34:20,833 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] [2024-08-22 19:34:20,833 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] [2024-08-22 19:34:20,833 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] [2024-08-22 19:34:20,920 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-08-22 19:34:20,955 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-22 19:34:20,956 WARN L1645 CHandler]: Possible shadowing of function iminor Start Parsing Local [2024-08-22 19:34:20,968 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-22 19:34:21,332 ERROR L334 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-08-22 19:34:21,332 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@37b0ab71 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 07:34:21, skipping insertion in model container [2024-08-22 19:34:21,332 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-22 19:34:21,333 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-08-22 19:34:21,334 INFO L158 Benchmark]: Toolchain (without parser) took 3677.74ms. Allocated memory was 186.6MB in the beginning and 291.5MB in the end (delta: 104.9MB). Free memory was 155.5MB in the beginning and 204.9MB in the end (delta: -49.4MB). Peak memory consumption was 149.9MB. Max. memory is 16.1GB. [2024-08-22 19:34:21,335 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 109.1MB. Free memory is still 70.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-22 19:34:21,335 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 186.6MB. Free memory is still 107.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-22 19:34:21,335 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3676.11ms. Allocated memory was 186.6MB in the beginning and 291.5MB in the end (delta: 104.9MB). Free memory was 154.8MB in the beginning and 204.9MB in the end (delta: -50.1MB). Peak memory consumption was 149.9MB. Max. memory is 16.1GB. [2024-08-22 19:34:21,337 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 109.1MB. Free memory is still 70.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 186.6MB. Free memory is still 107.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3676.11ms. Allocated memory was 186.6MB in the beginning and 291.5MB in the end (delta: 104.9MB). Free memory was 154.8MB in the beginning and 204.9MB in the end (delta: -50.1MB). Peak memory consumption was 149.9MB. 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_configure_pc8736x_gpio_set.i ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/char_pc8736x_gpio_pc8736x_gpio_configure_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.dk.goblint-validation-atomicfix-7bc0c75-m [2024-08-22 19:34:22,841 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-22 19:34:22,905 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2024-08-22 19:34:22,909 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-22 19:34:22,910 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-22 19:34:22,936 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-22 19:34:22,937 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-22 19:34:22,937 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-22 19:34:22,939 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-22 19:34:22,939 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-22 19:34:22,940 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-22 19:34:22,940 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-22 19:34:22,940 INFO L153 SettingsManager]: * Use SBE=true [2024-08-22 19:34:22,940 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-22 19:34:22,940 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-22 19:34:22,941 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-22 19:34:22,943 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-22 19:34:22,943 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-22 19:34:22,945 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-22 19:34:22,945 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-22 19:34:22,945 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-22 19:34:22,945 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-08-22 19:34:22,945 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-22 19:34:22,946 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-08-22 19:34:22,946 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-22 19:34:22,946 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-22 19:34:22,946 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-22 19:34:22,946 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-22 19:34:22,947 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-22 19:34:22,947 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-22 19:34:22,947 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-22 19:34:22,947 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-22 19:34:22,947 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-22 19:34:22,948 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-22 19:34:22,948 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-22 19:34:22,948 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-08-22 19:34:22,948 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-22 19:34:22,948 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-08-22 19:34:22,948 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-22 19:34:22,949 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-22 19:34:22,949 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-22 19:34:22,951 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-22 19:34:22,951 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-22 19:34:22,951 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-22 19:34:22,951 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2024-08-22 19:34:23,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-22 19:34:23,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-22 19:34:23,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-22 19:34:23,201 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-22 19:34:23,201 INFO L274 PluginConnector]: CDTParser initialized [2024-08-22 19:34:23,202 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_set.i [2024-08-22 19:34:24,431 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-22 19:34:24,776 INFO L384 CDTParser]: Found 1 translation units. [2024-08-22 19:34:24,777 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_set.i [2024-08-22 19:34:24,816 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/0e8ce997c/eb7198b0c1374e399f9e01eee8f4d5d8/FLAG20de95209 [2024-08-22 19:34:24,831 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/0e8ce997c/eb7198b0c1374e399f9e01eee8f4d5d8 [2024-08-22 19:34:24,834 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-22 19:34:24,837 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-22 19:34:24,838 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_set.yml/witness.yml [2024-08-22 19:34:24,940 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-22 19:34:24,941 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-22 19:34:24,942 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-22 19:34:24,942 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-22 19:34:24,945 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-22 19:34:24,946 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:34:24" (1/2) ... [2024-08-22 19:34:24,946 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@451f76ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:34:24, skipping insertion in model container [2024-08-22 19:34:24,946 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:34:24" (1/2) ... [2024-08-22 19:34:24,947 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6ef3547e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:34:24, skipping insertion in model container [2024-08-22 19:34:24,947 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.08 07:34:24" (2/2) ... [2024-08-22 19:34:24,948 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@451f76ad and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 07:34:24, skipping insertion in model container [2024-08-22 19:34:24,948 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.08 07:34:24" (2/2) ... [2024-08-22 19:34:24,948 INFO L81 nessWitnessExtractor]: Only extracting loop invariants from correctness witness [2024-08-22 19:34:24,981 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-22 19:34:24,982 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-22 19:34:24,983 INFO L106 edCorrectnessWitness]: ghost_update [L7068-L7068] multithreaded = 1; [2024-08-22 19:34:25,061 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-22 19:34:25,306 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_configure_pc8736x_gpio_set.i[5469,5482] [2024-08-22 19:34:27,573 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-22 19:34:27,574 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-22 19:34:27,620 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-22 19:34:27,641 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-08-22 19:34:27,698 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_configure_pc8736x_gpio_set.i[5469,5482] [2024-08-22 19:34:27,793 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] [2024-08-22 19:34:27,794 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] [2024-08-22 19:34:27,795 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] [2024-08-22 19:34:27,795 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] [2024-08-22 19:34:27,894 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-08-22 19:34:27,924 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-22 19:34:27,925 WARN L1645 CHandler]: Possible shadowing of function iminor Start Parsing Local [2024-08-22 19:34:27,936 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-22 19:34:28,291 ERROR L334 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-08-22 19:34:28,291 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6ef3547e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 07:34:28, skipping insertion in model container [2024-08-22 19:34:28,291 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-22 19:34:28,292 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-08-22 19:34:28,293 INFO L158 Benchmark]: Toolchain (without parser) took 3351.43ms. Allocated memory was 79.7MB in the beginning and 151.0MB in the end (delta: 71.3MB). Free memory was 54.4MB in the beginning and 69.8MB in the end (delta: -15.4MB). Peak memory consumption was 78.9MB. Max. memory is 16.1GB. [2024-08-22 19:34:28,293 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 58.7MB. Free memory was 30.6MB in the beginning and 30.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-22 19:34:28,294 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 79.7MB. Free memory is still 40.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-22 19:34:28,294 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3349.68ms. Allocated memory was 79.7MB in the beginning and 151.0MB in the end (delta: 71.3MB). Free memory was 54.1MB in the beginning and 69.8MB in the end (delta: -15.7MB). Peak memory consumption was 78.9MB. Max. memory is 16.1GB. [2024-08-22 19:34:28,295 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 58.7MB. Free memory was 30.6MB in the beginning and 30.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.17ms. Allocated memory is still 79.7MB. Free memory is still 40.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3349.68ms. Allocated memory was 79.7MB in the beginning and 151.0MB in the end (delta: 71.3MB). Free memory was 54.1MB in the beginning and 69.8MB in the end (delta: -15.7MB). Peak memory consumption was 78.9MB. 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 Writing output log to file Ultimate.log Result: UNKNOWN