./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_set.i --full-output --validate ./goblint.2024-08-08_07-59-58.files/protection-ghost/char_pc8736x_gpio_pc8736x_gpio_open_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_open_pc8736x_gpio_set.i ./goblint.2024-08-08_07-59-58.files/protection-ghost/char_pc8736x_gpio_pc8736x_gpio_open_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 [2024-08-23 10:28:41,007 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-23 10:28:41,068 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-23 10:28:41,071 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-23 10:28:41,072 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-23 10:28:41,102 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-23 10:28:41,103 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-23 10:28:41,103 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-23 10:28:41,104 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-23 10:28:41,106 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-23 10:28:41,107 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-23 10:28:41,107 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-23 10:28:41,107 INFO L153 SettingsManager]: * Use SBE=true [2024-08-23 10:28:41,108 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-23 10:28:41,108 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-23 10:28:41,108 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-23 10:28:41,108 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-23 10:28:41,108 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-23 10:28:41,108 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-23 10:28:41,109 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-23 10:28:41,109 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-23 10:28:41,110 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-23 10:28:41,110 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-23 10:28:41,111 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-23 10:28:41,111 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-23 10:28:41,111 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-23 10:28:41,111 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-23 10:28:41,112 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-23 10:28:41,112 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-23 10:28:41,113 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-23 10:28:41,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-23 10:28:41,113 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-23 10:28:41,113 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-23 10:28:41,113 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-23 10:28:41,114 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-23 10:28:41,114 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-23 10:28:41,114 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-23 10:28:41,115 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-23 10:28:41,115 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-23 10:28:41,115 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-23 10:28:41,115 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-23 10:28:41,116 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-23 10:28:41,116 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2024-08-23 10:28:41,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-23 10:28:41,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-23 10:28:41,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-23 10:28:41,364 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-23 10:28:41,364 INFO L274 PluginConnector]: CDTParser initialized [2024-08-23 10:28:41,365 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_set.i [2024-08-23 10:28:42,791 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-23 10:28:43,168 INFO L384 CDTParser]: Found 1 translation units. [2024-08-23 10:28:43,169 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_set.i [2024-08-23 10:28:43,212 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/274a62c36/d48ea45c7fce410ebd253ba1cdd78965/FLAG023816ced [2024-08-23 10:28:43,227 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/274a62c36/d48ea45c7fce410ebd253ba1cdd78965 [2024-08-23 10:28:43,230 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-23 10:28:43,230 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-23 10:28:43,231 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/protection-ghost/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_set.yml/witness.yml [2024-08-23 10:28:43,319 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-23 10:28:43,320 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-23 10:28:43,322 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-23 10:28:43,323 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-23 10:28:43,327 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-23 10:28:43,328 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.08 10:28:43" (1/2) ... [2024-08-23 10:28:43,329 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@358f1ef0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 10:28:43, skipping insertion in model container [2024-08-23 10:28:43,329 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.08 10:28:43" (1/2) ... [2024-08-23 10:28:43,330 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@20b56ebe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 10:28:43, skipping insertion in model container [2024-08-23 10:28:43,330 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 10:28:43" (2/2) ... [2024-08-23 10:28:43,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@358f1ef0 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 10:28:43, skipping insertion in model container [2024-08-23 10:28:43,331 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 10:28:43" (2/2) ... [2024-08-23 10:28:43,332 INFO L81 nessWitnessExtractor]: Only extracting loop invariants from correctness witness [2024-08-23 10:28:43,363 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-23 10:28:43,364 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-23 10:28:43,364 INFO L106 edCorrectnessWitness]: ghost_update [L7068-L7068] multithreaded = 1; [2024-08-23 10:28:43,521 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-23 10:28:43,879 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_open_pc8736x_gpio_set.i[5469,5482] [2024-08-23 10:28:46,915 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-23 10:28:46,915 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-23 10:28:47,024 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-23 10:28:47,049 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-08-23 10:28:47,135 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_open_pc8736x_gpio_set.i[5469,5482] [2024-08-23 10:28:47,342 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 10:28:47,344 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 10:28:47,348 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 10:28:47,349 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 10:28:47,733 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-08-23 10:28:47,879 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-23 10:28:47,879 WARN L1645 CHandler]: Possible shadowing of function iminor Start Parsing Local [2024-08-23 10:28:47,903 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-23 10:28:48,815 ERROR L334 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-08-23 10:28:48,816 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@20b56ebe 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 10:28:48,816 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-23 10:28:48,816 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-08-23 10:28:48,818 INFO L158 Benchmark]: Toolchain (without parser) took 5496.64ms. Allocated memory was 153.1MB in the beginning and 400.6MB in the end (delta: 247.5MB). Free memory was 67.7MB in the beginning and 307.0MB in the end (delta: -239.3MB). Peak memory consumption was 117.0MB. Max. memory is 16.1GB. [2024-08-23 10:28:48,818 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 153.1MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-23 10:28:48,819 INFO L158 Benchmark]: Witness Parser took 1.01ms. Allocated memory is still 153.1MB. Free memory is still 71.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-23 10:28:48,819 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5494.17ms. Allocated memory was 153.1MB in the beginning and 400.6MB in the end (delta: 247.5MB). Free memory was 67.5MB in the beginning and 307.0MB in the end (delta: -239.5MB). Peak memory consumption was 117.0MB. Max. memory is 16.1GB. [2024-08-23 10:28:48,821 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 153.1MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 1.01ms. Allocated memory is still 153.1MB. Free memory is still 71.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5494.17ms. Allocated memory was 153.1MB in the beginning and 400.6MB in the end (delta: 247.5MB). Free memory was 67.5MB in the beginning and 307.0MB in the end (delta: -239.5MB). Peak memory consumption was 117.0MB. 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 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_open_pc8736x_gpio_set.i ./goblint.2024-08-08_07-59-58.files/protection-ghost/char_pc8736x_gpio_pc8736x_gpio_open_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 [2024-08-23 10:28:50,567 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-23 10:28:50,633 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2024-08-23 10:28:50,639 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-23 10:28:50,639 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-23 10:28:50,663 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-23 10:28:50,664 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-23 10:28:50,664 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-23 10:28:50,666 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-23 10:28:50,667 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-23 10:28:50,667 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-23 10:28:50,667 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-23 10:28:50,668 INFO L153 SettingsManager]: * Use SBE=true [2024-08-23 10:28:50,668 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-23 10:28:50,669 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-23 10:28:50,669 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-23 10:28:50,670 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-23 10:28:50,670 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-23 10:28:50,670 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-23 10:28:50,670 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-23 10:28:50,671 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-23 10:28:50,673 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-08-23 10:28:50,673 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-23 10:28:50,674 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-08-23 10:28:50,674 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-23 10:28:50,674 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-23 10:28:50,674 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-23 10:28:50,674 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-23 10:28:50,674 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-23 10:28:50,674 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-23 10:28:50,675 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-23 10:28:50,675 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-23 10:28:50,675 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-23 10:28:50,675 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-23 10:28:50,675 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-23 10:28:50,675 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-08-23 10:28:50,676 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-23 10:28:50,676 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-08-23 10:28:50,676 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-23 10:28:50,676 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-23 10:28:50,676 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-23 10:28:50,678 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-23 10:28:50,678 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-23 10:28:50,678 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-23 10:28:50,678 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2024-08-23 10:28:50,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-23 10:28:50,949 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-23 10:28:50,951 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-23 10:28:50,952 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-23 10:28:50,953 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-23 10:28:50,954 INFO L431 ainManager$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_open_pc8736x_gpio_set.yml/witness.yml [2024-08-23 10:28:51,074 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-23 10:28:51,075 INFO L274 PluginConnector]: CDTParser initialized [2024-08-23 10:28:51,075 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_set.i [2024-08-23 10:28:52,573 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-23 10:28:52,981 INFO L384 CDTParser]: Found 1 translation units. [2024-08-23 10:28:52,982 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_set.i [2024-08-23 10:28:53,020 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7e320624c/c25cbe07d97b4646881f28a2da60f33d/FLAG44bed1910 [2024-08-23 10:28:53,046 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7e320624c/c25cbe07d97b4646881f28a2da60f33d [2024-08-23 10:28:53,047 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-23 10:28:53,048 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-23 10:28:53,050 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-23 10:28:53,051 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-23 10:28:53,054 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-23 10:28:53,055 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 10:28:51" (1/2) ... [2024-08-23 10:28:53,056 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@780df5dc and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 10:28:53, skipping insertion in model container [2024-08-23 10:28:53,056 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.08 10:28:51" (1/2) ... [2024-08-23 10:28:53,057 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@38e2b05c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.08 10:28:53, skipping insertion in model container [2024-08-23 10:28:53,057 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.08 10:28:53" (2/2) ... [2024-08-23 10:28:53,058 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@780df5dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 10:28:53, skipping insertion in model container [2024-08-23 10:28:53,058 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.08 10:28:53" (2/2) ... [2024-08-23 10:28:53,058 INFO L81 nessWitnessExtractor]: Only extracting loop invariants from correctness witness [2024-08-23 10:28:53,112 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-23 10:28:53,115 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-23 10:28:53,116 INFO L106 edCorrectnessWitness]: ghost_update [L7068-L7068] multithreaded = 1; [2024-08-23 10:28:53,204 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-23 10:28:53,529 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_open_pc8736x_gpio_set.i[5469,5482] [2024-08-23 10:28:57,662 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-23 10:28:57,665 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-23 10:28:57,739 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-23 10:28:57,763 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-08-23 10:28:57,809 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_open_pc8736x_gpio_set.i[5469,5482] [2024-08-23 10:28:57,961 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 10:28:57,963 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 10:28:57,963 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 10:28:57,963 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 10:28:58,079 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-08-23 10:28:58,120 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-23 10:28:58,121 WARN L1645 CHandler]: Possible shadowing of function iminor Start Parsing Local [2024-08-23 10:28:58,133 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-23 10:28:58,523 ERROR L334 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-08-23 10:28:58,524 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@38e2b05c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 10:28:58, skipping insertion in model container [2024-08-23 10:28:58,524 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-23 10:28:58,524 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-08-23 10:28:58,526 INFO L158 Benchmark]: Toolchain (without parser) took 5476.93ms. Allocated memory was 67.1MB in the beginning and 176.2MB in the end (delta: 109.1MB). Free memory was 32.5MB in the beginning and 110.1MB in the end (delta: -77.6MB). Peak memory consumption was 103.3MB. Max. memory is 16.1GB. [2024-08-23 10:28:58,526 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 67.1MB. Free memory was 43.8MB in the beginning and 43.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-23 10:28:58,526 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 67.1MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-23 10:28:58,527 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5473.68ms. Allocated memory was 67.1MB in the beginning and 176.2MB in the end (delta: 109.1MB). Free memory was 32.3MB in the beginning and 110.1MB in the end (delta: -77.8MB). Peak memory consumption was 103.3MB. Max. memory is 16.1GB. [2024-08-23 10:28:58,528 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 0.16ms. Allocated memory is still 67.1MB. Free memory was 43.8MB in the beginning and 43.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.09ms. Allocated memory is still 67.1MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5473.68ms. Allocated memory was 67.1MB in the beginning and 176.2MB in the end (delta: 109.1MB). Free memory was 32.3MB in the beginning and 110.1MB in the end (delta: -77.8MB). Peak memory consumption was 103.3MB. 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