./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_change.i --full-output --validate ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_change.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_change.i ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_change.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 19:34:24,113 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-22 19:34:24,182 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-22 19:34:24,189 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-22 19:34:24,191 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-22 19:34:24,221 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-22 19:34:24,222 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-22 19:34:24,222 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-22 19:34:24,223 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-22 19:34:24,224 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-22 19:34:24,225 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-22 19:34:24,225 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-22 19:34:24,226 INFO L153 SettingsManager]: * Use SBE=true [2024-08-22 19:34:24,226 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-22 19:34:24,227 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-22 19:34:24,228 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-22 19:34:24,228 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-22 19:34:24,230 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-22 19:34:24,231 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-22 19:34:24,231 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-22 19:34:24,231 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-22 19:34:24,235 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-22 19:34:24,235 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-22 19:34:24,235 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-22 19:34:24,236 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-22 19:34:24,236 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-22 19:34:24,236 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-22 19:34:24,236 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-22 19:34:24,236 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-22 19:34:24,237 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-22 19:34:24,237 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-22 19:34:24,237 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-22 19:34:24,237 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-22 19:34:24,238 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-22 19:34:24,238 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-22 19:34:24,238 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-22 19:34:24,240 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-22 19:34:24,240 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-22 19:34:24,240 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-22 19:34:24,240 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-22 19:34:24,241 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-22 19:34:24,241 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-22 19:34:24,242 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2024-08-22 19:34:24,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-22 19:34:24,456 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-22 19:34:24,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-22 19:34:24,463 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-22 19:34:24,463 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-22 19:34:24,464 INFO L431 ainManager$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_change.yml/witness.yml [2024-08-22 19:34:24,637 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-22 19:34:24,637 INFO L274 PluginConnector]: CDTParser initialized [2024-08-22 19:34:24,641 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_change.i [2024-08-22 19:34:25,930 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-22 19:34:26,308 INFO L384 CDTParser]: Found 1 translation units. [2024-08-22 19:34:26,308 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_change.i [2024-08-22 19:34:26,346 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/21eff9d2f/1b207014f1864370b31c82c3e17ef360/FLAGe9586fdb5 [2024-08-22 19:34:26,500 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/21eff9d2f/1b207014f1864370b31c82c3e17ef360 [2024-08-22 19:34:26,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-22 19:34:26,502 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-22 19:34:26,533 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-22 19:34:26,533 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-22 19:34:26,538 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-22 19:34:26,539 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" (1/2) ... [2024-08-22 19:34:26,540 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a5111f2 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 07:34:26, skipping insertion in model container [2024-08-22 19:34:26,542 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" (1/2) ... [2024-08-22 19:34:26,543 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@c35b6cc and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 07:34:26, skipping insertion in model container [2024-08-22 19:34:26,543 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:34:26" (2/2) ... [2024-08-22 19:34:26,544 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a5111f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:34:26, skipping insertion in model container [2024-08-22 19:34:26,544 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:34:26" (2/2) ... [2024-08-22 19:34:26,544 INFO L81 nessWitnessExtractor]: Only extracting loop invariants from correctness witness [2024-08-22 19:34:26,607 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-22 19:34:26,608 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-22 19:34:26,612 INFO L106 edCorrectnessWitness]: ghost_update [L7068-L7068] multithreaded = 1; [2024-08-22 19:34:26,708 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-22 19:34:27,006 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_change.i[5469,5482] [2024-08-22 19:34:29,626 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-22 19:34:29,627 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-22 19:34:29,694 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-22 19:34:29,712 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-08-22 19:34:29,749 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_change.i[5469,5482] [2024-08-22 19:34:29,830 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 19:34:29,832 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 19:34:29,832 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 19:34:29,832 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 19:34:29,998 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-08-22 19:34:30,046 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-22 19:34:30,046 WARN L1645 CHandler]: Possible shadowing of function iminor Start Parsing Local [2024-08-22 19:34:30,068 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-22 19:34:30,535 ERROR L334 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-08-22 19:34:30,535 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@c35b6cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:34:30, skipping insertion in model container [2024-08-22 19:34:30,535 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-22 19:34:30,536 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-08-22 19:34:30,537 INFO L158 Benchmark]: Toolchain (without parser) took 4034.62ms. Allocated memory was 159.4MB in the beginning and 237.0MB in the end (delta: 77.6MB). Free memory was 72.3MB in the beginning and 93.9MB in the end (delta: -21.6MB). Peak memory consumption was 132.9MB. Max. memory is 16.1GB. [2024-08-22 19:34:30,537 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 159.4MB. Free memory is still 111.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-22 19:34:30,538 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 159.4MB. Free memory was 130.1MB in the beginning and 129.8MB in the end (delta: 243.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-22 19:34:30,538 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4002.64ms. Allocated memory was 159.4MB in the beginning and 237.0MB in the end (delta: 77.6MB). Free memory was 126.7MB in the beginning and 93.9MB in the end (delta: 32.8MB). Peak memory consumption was 183.2MB. Max. memory is 16.1GB. [2024-08-22 19:34:30,539 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 0.10ms. Allocated memory is still 159.4MB. Free memory is still 111.1MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.10ms. Allocated memory is still 159.4MB. Free memory was 130.1MB in the beginning and 129.8MB in the end (delta: 243.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4002.64ms. Allocated memory was 159.4MB in the beginning and 237.0MB in the end (delta: 77.6MB). Free memory was 126.7MB in the beginning and 93.9MB in the end (delta: 32.8MB). Peak memory consumption was 183.2MB. 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 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_change.i ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_change.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 19:34:32,288 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-22 19:34:32,334 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2024-08-22 19:34:32,338 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-22 19:34:32,339 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-22 19:34:32,370 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-22 19:34:32,370 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-22 19:34:32,370 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-22 19:34:32,371 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-22 19:34:32,371 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-22 19:34:32,372 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-22 19:34:32,372 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-22 19:34:32,372 INFO L153 SettingsManager]: * Use SBE=true [2024-08-22 19:34:32,372 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-22 19:34:32,373 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-22 19:34:32,374 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-22 19:34:32,374 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-22 19:34:32,374 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-22 19:34:32,375 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-22 19:34:32,375 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-22 19:34:32,375 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-22 19:34:32,377 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-08-22 19:34:32,378 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-22 19:34:32,378 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-08-22 19:34:32,378 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-22 19:34:32,378 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-22 19:34:32,378 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-22 19:34:32,379 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-22 19:34:32,379 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-22 19:34:32,381 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-22 19:34:32,381 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-22 19:34:32,382 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-22 19:34:32,382 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-22 19:34:32,382 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-22 19:34:32,382 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-22 19:34:32,382 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-08-22 19:34:32,382 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-22 19:34:32,382 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-08-22 19:34:32,383 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-22 19:34:32,383 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-22 19:34:32,383 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-22 19:34:32,383 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-22 19:34:32,383 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-22 19:34:32,384 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-22 19:34:32,384 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2024-08-22 19:34:32,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-22 19:34:32,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-22 19:34:32,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-22 19:34:32,703 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-22 19:34:32,703 INFO L274 PluginConnector]: CDTParser initialized [2024-08-22 19:34:32,704 INFO L431 ainManager$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_change.i [2024-08-22 19:34:34,777 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-22 19:34:35,434 INFO L384 CDTParser]: Found 1 translation units. [2024-08-22 19:34:35,435 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_change.i [2024-08-22 19:34:35,517 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/866f78d7f/9ac58d942dd84ccf9b2318db2d829456/FLAG7c35f1705 [2024-08-22 19:34:35,533 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/866f78d7f/9ac58d942dd84ccf9b2318db2d829456 [2024-08-22 19:34:35,535 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-22 19:34:35,536 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-22 19:34:35,537 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_change.yml/witness.yml [2024-08-22 19:34:35,625 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-22 19:34:35,626 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-22 19:34:35,627 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-22 19:34:35,627 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-22 19:34:35,631 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-22 19:34:35,632 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:34:35" (1/2) ... [2024-08-22 19:34:35,632 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e069db0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:34:35, skipping insertion in model container [2024-08-22 19:34:35,633 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:34:35" (1/2) ... [2024-08-22 19:34:35,634 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1b9d2433 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:34:35, skipping insertion in model container [2024-08-22 19:34:35,635 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.08 07:34:35" (2/2) ... [2024-08-22 19:34:35,635 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e069db0 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 07:34:35, skipping insertion in model container [2024-08-22 19:34:35,635 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.08 07:34:35" (2/2) ... [2024-08-22 19:34:35,635 INFO L81 nessWitnessExtractor]: Only extracting loop invariants from correctness witness [2024-08-22 19:34:35,671 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-22 19:34:35,672 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-22 19:34:35,672 INFO L106 edCorrectnessWitness]: ghost_update [L7068-L7068] multithreaded = 1; [2024-08-22 19:34:35,777 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-22 19:34:36,042 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_change.i[5469,5482] [2024-08-22 19:34:39,530 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-22 19:34:39,531 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-22 19:34:39,606 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-22 19:34:39,625 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-08-22 19:34:39,662 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_change.i[5469,5482] [2024-08-22 19:34:39,802 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 19:34:39,804 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 19:34:39,804 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 19:34:39,804 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 19:34:39,974 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-08-22 19:34:40,041 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-22 19:34:40,041 WARN L1645 CHandler]: Possible shadowing of function iminor Start Parsing Local [2024-08-22 19:34:40,057 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-22 19:34:40,437 ERROR L334 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-08-22 19:34:40,438 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1b9d2433 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 07:34:40, skipping insertion in model container [2024-08-22 19:34:40,438 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-22 19:34:40,438 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-08-22 19:34:40,440 INFO L158 Benchmark]: Toolchain (without parser) took 4813.22ms. Allocated memory was 109.1MB in the beginning and 230.7MB in the end (delta: 121.6MB). Free memory was 60.0MB in the beginning and 86.0MB in the end (delta: -26.0MB). Peak memory consumption was 105.5MB. Max. memory is 16.1GB. [2024-08-22 19:34:40,440 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 54.5MB. Free memory is still 27.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-22 19:34:40,440 INFO L158 Benchmark]: Witness Parser took 0.63ms. Allocated memory is still 109.1MB. Free memory is still 63.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-22 19:34:40,441 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4810.71ms. Allocated memory was 109.1MB in the beginning and 230.7MB in the end (delta: 121.6MB). Free memory was 59.8MB in the beginning and 86.0MB in the end (delta: -26.2MB). Peak memory consumption was 103.4MB. Max. memory is 16.1GB. [2024-08-22 19:34:40,442 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 54.5MB. Free memory is still 27.6MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.63ms. Allocated memory is still 109.1MB. Free memory is still 63.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4810.71ms. Allocated memory was 109.1MB in the beginning and 230.7MB in the end (delta: 121.6MB). Free memory was 59.8MB in the beginning and 86.0MB in the end (delta: -26.2MB). Peak memory consumption was 103.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 5814]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] - UnsupportedSyntaxResult [Line: -1]: Unsupported Syntax The following functions are not defined or handled internally: ____ilog2_NaN RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN