./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_get.i --full-output --validate ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7bc0c755 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.goblint-validation-atomicfix-7bc0c75-m [2024-08-22 19:34:28,912 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-22 19:34:28,965 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-22 19:34:28,968 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-22 19:34:28,968 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-22 19:34:28,993 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-22 19:34:28,994 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-22 19:34:28,994 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-22 19:34:28,995 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-22 19:34:28,995 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-22 19:34:28,995 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-22 19:34:28,995 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-22 19:34:28,996 INFO L153 SettingsManager]: * Use SBE=true [2024-08-22 19:34:28,996 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-22 19:34:28,996 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-22 19:34:28,997 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-22 19:34:28,997 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-22 19:34:28,997 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-22 19:34:28,997 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-22 19:34:28,997 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-22 19:34:28,998 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-22 19:34:28,998 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-22 19:34:28,998 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-22 19:34:28,999 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-22 19:34:28,999 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-22 19:34:28,999 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-22 19:34:28,999 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-22 19:34:29,000 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-22 19:34:29,000 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-22 19:34:29,000 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-22 19:34:29,000 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-22 19:34:29,001 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-22 19:34:29,001 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-22 19:34:29,001 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-22 19:34:29,001 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-22 19:34:29,002 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-22 19:34:29,002 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-22 19:34:29,002 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-22 19:34:29,002 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-22 19:34:29,002 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-22 19:34:29,003 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-22 19:34:29,003 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-22 19:34:29,003 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2024-08-22 19:34:29,163 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-22 19:34:29,178 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-22 19:34:29,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-22 19:34:29,181 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-22 19:34:29,181 INFO L274 PluginConnector]: CDTParser initialized [2024-08-22 19:34:29,182 INFO L431 ainManager$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_get.i [2024-08-22 19:34:30,542 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-22 19:34:30,936 INFO L384 CDTParser]: Found 1 translation units. [2024-08-22 19:34:30,937 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i [2024-08-22 19:34:30,979 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/359c41b1b/d81b4670c50749a7857bfc92716fe930/FLAG1c884c4ed [2024-08-22 19:34:31,111 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/359c41b1b/d81b4670c50749a7857bfc92716fe930 [2024-08-22 19:34:31,113 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-22 19:34:31,115 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-22 19:34:31,115 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.yml/witness.yml [2024-08-22 19:34:31,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-22 19:34:31,203 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-22 19:34:31,205 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-22 19:34:31,205 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-22 19:34:31,209 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-22 19:34:31,209 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:34:31" (1/2) ... [2024-08-22 19:34:31,210 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e57eb2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:34:31, skipping insertion in model container [2024-08-22 19:34:31,210 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:34:31" (1/2) ... [2024-08-22 19:34:31,211 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5298f065 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:34:31, skipping insertion in model container [2024-08-22 19:34:31,212 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.08 07:34:31" (2/2) ... [2024-08-22 19:34:31,213 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e57eb2b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 07:34:31, skipping insertion in model container [2024-08-22 19:34:31,213 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.08 07:34:31" (2/2) ... [2024-08-22 19:34:31,213 INFO L81 nessWitnessExtractor]: Only extracting loop invariants from correctness witness [2024-08-22 19:34:31,254 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-22 19:34:31,255 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-22 19:34:31,256 INFO L106 edCorrectnessWitness]: ghost_update [L7069-L7069] multithreaded = 1; [2024-08-22 19:34:31,335 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-22 19:34:31,676 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_get.i[5469,5482] [2024-08-22 19:34:36,549 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-22 19:34:36,557 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-22 19:34:36,710 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-22 19:34:36,743 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-08-22 19:34:36,808 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_get.i[5469,5482] [2024-08-22 19:34:36,970 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 19:34:36,976 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 19:34:36,977 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 19:34:36,977 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 19:34:37,195 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-08-22 19:34:37,260 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-22 19:34:37,264 WARN L1645 CHandler]: Possible shadowing of function iminor Start Parsing Local [2024-08-22 19:34:37,289 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-22 19:34:37,662 ERROR L334 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-08-22 19:34:37,663 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5298f065 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 07:34:37, skipping insertion in model container [2024-08-22 19:34:37,663 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-22 19:34:37,663 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-08-22 19:34:37,665 INFO L158 Benchmark]: Toolchain (without parser) took 6461.30ms. Allocated memory was 211.8MB in the beginning and 312.5MB in the end (delta: 100.7MB). Free memory was 168.1MB in the beginning and 203.2MB in the end (delta: -35.1MB). Peak memory consumption was 135.5MB. Max. memory is 16.1GB. [2024-08-22 19:34:37,665 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 127.9MB. Free memory is still 91.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-22 19:34:37,666 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 211.8MB. Free memory is still 172.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-22 19:34:37,666 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6458.64ms. Allocated memory was 211.8MB in the beginning and 312.5MB in the end (delta: 100.7MB). Free memory was 168.1MB in the beginning and 203.2MB in the end (delta: -35.1MB). Peak memory consumption was 135.5MB. Max. memory is 16.1GB. [2024-08-22 19:34:37,667 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 127.9MB. Free memory is still 91.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 211.8MB. Free memory is still 172.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6458.64ms. Allocated memory was 211.8MB in the beginning and 312.5MB in the end (delta: 100.7MB). Free memory was 168.1MB in the beginning and 203.2MB in the end (delta: -35.1MB). Peak memory consumption was 135.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 5814]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] - UnsupportedSyntaxResult [Line: -1]: Unsupported Syntax The following functions are not defined or handled internally: ____ilog2_NaN RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_get.i ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.goblint-validation-atomicfix-7bc0c75-m [2024-08-22 19:34:39,518 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-22 19:34:39,585 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2024-08-22 19:34:39,591 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-22 19:34:39,592 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-22 19:34:39,623 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-22 19:34:39,623 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-22 19:34:39,624 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-22 19:34:39,625 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-22 19:34:39,626 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-22 19:34:39,626 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-22 19:34:39,627 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-22 19:34:39,627 INFO L153 SettingsManager]: * Use SBE=true [2024-08-22 19:34:39,627 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-22 19:34:39,627 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-22 19:34:39,628 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-22 19:34:39,628 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-22 19:34:39,631 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-22 19:34:39,632 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-22 19:34:39,632 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-22 19:34:39,632 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-22 19:34:39,632 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-08-22 19:34:39,632 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-22 19:34:39,633 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-08-22 19:34:39,633 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-22 19:34:39,633 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-22 19:34:39,633 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-22 19:34:39,633 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-22 19:34:39,633 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-22 19:34:39,634 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-22 19:34:39,634 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-22 19:34:39,634 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-22 19:34:39,634 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-22 19:34:39,634 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-22 19:34:39,635 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-22 19:34:39,635 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-08-22 19:34:39,635 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-22 19:34:39,635 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-08-22 19:34:39,635 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-22 19:34:39,636 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-22 19:34:39,636 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-22 19:34:39,638 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-22 19:34:39,638 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-22 19:34:39,639 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-22 19:34:39,639 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2024-08-22 19:34:39,915 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-22 19:34:39,936 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-22 19:34:39,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-22 19:34:39,943 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-22 19:34:39,946 INFO L274 PluginConnector]: CDTParser initialized [2024-08-22 19:34:39,947 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i [2024-08-22 19:34:41,413 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-22 19:34:41,826 INFO L384 CDTParser]: Found 1 translation units. [2024-08-22 19:34:41,827 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i [2024-08-22 19:34:41,861 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/1cccfa2e6/b43691b9b6bc41ad94a2b186c0f8918d/FLAG8e157b3bb [2024-08-22 19:34:41,998 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/1cccfa2e6/b43691b9b6bc41ad94a2b186c0f8918d [2024-08-22 19:34:42,000 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-22 19:34:42,000 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-22 19:34:42,002 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.yml/witness.yml [2024-08-22 19:34:42,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-22 19:34:42,093 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-22 19:34:42,094 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-22 19:34:42,094 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-22 19:34:42,098 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-22 19:34:42,099 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:34:41" (1/2) ... [2024-08-22 19:34:42,099 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e11ef8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:34:42, skipping insertion in model container [2024-08-22 19:34:42,100 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:34:41" (1/2) ... [2024-08-22 19:34:42,101 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@532943ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:34:42, skipping insertion in model container [2024-08-22 19:34:42,101 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.08 07:34:42" (2/2) ... [2024-08-22 19:34:42,101 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e11ef8e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 07:34:42, skipping insertion in model container [2024-08-22 19:34:42,101 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.08 07:34:42" (2/2) ... [2024-08-22 19:34:42,102 INFO L81 nessWitnessExtractor]: Only extracting loop invariants from correctness witness [2024-08-22 19:34:42,132 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-22 19:34:42,136 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-22 19:34:42,136 INFO L106 edCorrectnessWitness]: ghost_update [L7069-L7069] multithreaded = 1; [2024-08-22 19:34:42,235 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-22 19:34:42,537 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_get.i[5469,5482] [2024-08-22 19:34:46,083 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-22 19:34:46,083 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-22 19:34:46,217 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-22 19:34:46,249 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-08-22 19:34:46,282 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_get.i[5469,5482] [2024-08-22 19:34:46,458 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 19:34:46,463 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 19:34:46,464 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 19:34:46,464 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 19:34:46,606 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-08-22 19:34:46,676 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-22 19:34:46,677 WARN L1645 CHandler]: Possible shadowing of function iminor Start Parsing Local [2024-08-22 19:34:46,685 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-22 19:34:47,107 ERROR L334 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-08-22 19:34:47,107 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@532943ab and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 07:34:47, skipping insertion in model container [2024-08-22 19:34:47,108 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-22 19:34:47,108 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-08-22 19:34:47,109 INFO L158 Benchmark]: Toolchain (without parser) took 5015.99ms. Allocated memory was 86.0MB in the beginning and 178.3MB in the end (delta: 92.3MB). Free memory was 56.2MB in the beginning and 93.6MB in the end (delta: -37.4MB). Peak memory consumption was 90.2MB. Max. memory is 16.1GB. [2024-08-22 19:34:47,110 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 86.0MB. Free memory is still 67.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-22 19:34:47,110 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 86.0MB. Free memory is still 59.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-22 19:34:47,110 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5013.83ms. Allocated memory was 86.0MB in the beginning and 178.3MB in the end (delta: 92.3MB). Free memory was 56.2MB in the beginning and 93.6MB in the end (delta: -37.4MB). Peak memory consumption was 90.2MB. Max. memory is 16.1GB. [2024-08-22 19:34:47,111 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 86.0MB. Free memory is still 67.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 86.0MB. Free memory is still 59.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5013.83ms. Allocated memory was 86.0MB in the beginning and 178.3MB in the end (delta: 92.3MB). Free memory was 56.2MB in the beginning and 93.6MB in the end (delta: -37.4MB). Peak memory consumption was 90.2MB. 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