./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i --full-output --validate ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c091e2ee Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.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.fs.goblint-validation-c091e2e-m [2024-08-13 13:35:58,443 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-13 13:35:58,494 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-13 13:35:58,498 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-13 13:35:58,499 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-13 13:35:58,526 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-13 13:35:58,526 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-13 13:35:58,527 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-13 13:35:58,527 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-13 13:35:58,528 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-13 13:35:58,528 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-13 13:35:58,528 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-13 13:35:58,529 INFO L153 SettingsManager]: * Use SBE=true [2024-08-13 13:35:58,529 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-13 13:35:58,529 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-13 13:35:58,530 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-13 13:35:58,530 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-13 13:35:58,530 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-13 13:35:58,531 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-13 13:35:58,531 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-13 13:35:58,531 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-13 13:35:58,536 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-13 13:35:58,537 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-13 13:35:58,537 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-13 13:35:58,537 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-13 13:35:58,537 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-13 13:35:58,537 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-13 13:35:58,538 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-13 13:35:58,538 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-13 13:35:58,538 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-13 13:35:58,538 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-13 13:35:58,538 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-13 13:35:58,539 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-13 13:35:58,539 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-13 13:35:58,539 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-13 13:35:58,539 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-13 13:35:58,539 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-13 13:35:58,539 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-13 13:35:58,540 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-13 13:35:58,540 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-13 13:35:58,540 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-13 13:35:58,542 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-13 13:35:58,542 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2024-08-13 13:35:58,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-13 13:35:58,815 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-13 13:35:58,818 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-13 13:35:58,819 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-13 13:35:58,820 INFO L274 PluginConnector]: CDTParser initialized [2024-08-13 13:35:58,821 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i [2024-08-13 13:36:00,209 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-13 13:36:00,762 INFO L384 CDTParser]: Found 1 translation units. [2024-08-13 13:36:00,763 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i [2024-08-13 13:36:00,816 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/367986bd8/6f502af8dec14d4c81e206893e583c5f/FLAG9eb0f1f42 [2024-08-13 13:36:00,836 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/367986bd8/6f502af8dec14d4c81e206893e583c5f [2024-08-13 13:36:00,840 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-13 13:36:00,841 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-13 13:36:00,843 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.yml/witness.yml [2024-08-13 13:36:00,962 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-13 13:36:00,963 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-13 13:36:00,966 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-13 13:36:00,966 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-13 13:36:00,971 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-13 13:36:00,972 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 01:36:00" (1/2) ... [2024-08-13 13:36:00,973 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4446f56d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 01:36:00, skipping insertion in model container [2024-08-13 13:36:00,973 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 01:36:00" (1/2) ... [2024-08-13 13:36:00,976 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@712a3207 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 01:36:00, skipping insertion in model container [2024-08-13 13:36:00,976 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 01:36:00" (2/2) ... [2024-08-13 13:36:00,976 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4446f56d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 01:36:00, skipping insertion in model container [2024-08-13 13:36:00,977 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 01:36:00" (2/2) ... [2024-08-13 13:36:00,977 INFO L81 nessWitnessExtractor]: Only extracting loop invariants from correctness witness [2024-08-13 13:36:01,035 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-13 13:36:01,036 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-13 13:36:01,036 INFO L106 edCorrectnessWitness]: ghost_update [L7068-L7068] multithreaded = 1; [2024-08-13 13:36:01,142 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-13 13:36:01,504 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_change_pc8736x_gpio_configure.i[5469,5482] [2024-08-13 13:36:06,795 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-13 13:36:06,795 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-13 13:36:06,880 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-13 13:36:06,902 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-08-13 13:36:06,949 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_change_pc8736x_gpio_configure.i[5469,5482] [2024-08-13 13:36:07,051 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] [2024-08-13 13:36:07,053 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] [2024-08-13 13:36:07,053 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] [2024-08-13 13:36:07,053 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] [2024-08-13 13:36:07,212 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-08-13 13:36:07,295 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-13 13:36:07,296 WARN L1645 CHandler]: Possible shadowing of function iminor Start Parsing Local [2024-08-13 13:36:07,310 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-13 13:36:07,859 ERROR L334 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-08-13 13:36:07,860 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@712a3207 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 01:36:07, skipping insertion in model container [2024-08-13 13:36:07,860 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-13 13:36:07,860 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-08-13 13:36:07,862 INFO L158 Benchmark]: Toolchain (without parser) took 6898.46ms. Allocated memory was 159.4MB in the beginning and 203.4MB in the end (delta: 44.0MB). Free memory was 112.1MB in the beginning and 80.3MB in the end (delta: 31.7MB). Peak memory consumption was 118.8MB. Max. memory is 16.1GB. [2024-08-13 13:36:07,863 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 109.1MB. Free memory was 79.5MB in the beginning and 79.3MB in the end (delta: 167.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-13 13:36:07,863 INFO L158 Benchmark]: Witness Parser took 0.22ms. Allocated memory is still 159.4MB. Free memory is still 116.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-13 13:36:07,863 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6894.39ms. Allocated memory was 159.4MB in the beginning and 203.4MB in the end (delta: 44.0MB). Free memory was 112.1MB in the beginning and 80.3MB in the end (delta: 31.7MB). Peak memory consumption was 118.8MB. Max. memory is 16.1GB. [2024-08-13 13:36:07,865 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 109.1MB. Free memory was 79.5MB in the beginning and 79.3MB in the end (delta: 167.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.22ms. Allocated memory is still 159.4MB. Free memory is still 116.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6894.39ms. Allocated memory was 159.4MB in the beginning and 203.4MB in the end (delta: 44.0MB). Free memory was 112.1MB in the beginning and 80.3MB in the end (delta: 31.7MB). Peak memory consumption was 118.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 5814]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] - UnsupportedSyntaxResult [Line: -1]: Unsupported Syntax The following functions are not defined or handled internally: ____ilog2_NaN RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.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.fs.goblint-validation-c091e2e-m [2024-08-13 13:36:09,863 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-13 13:36:09,947 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2024-08-13 13:36:09,953 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-13 13:36:09,954 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-13 13:36:09,985 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-13 13:36:09,985 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-13 13:36:09,986 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-13 13:36:09,987 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-13 13:36:09,988 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-13 13:36:09,989 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-13 13:36:09,989 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-13 13:36:09,990 INFO L153 SettingsManager]: * Use SBE=true [2024-08-13 13:36:09,993 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-13 13:36:09,993 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-13 13:36:09,994 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-13 13:36:09,994 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-13 13:36:09,994 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-13 13:36:09,994 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-13 13:36:09,994 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-13 13:36:09,995 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-13 13:36:09,996 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-08-13 13:36:09,996 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-13 13:36:09,997 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-08-13 13:36:09,997 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-13 13:36:09,997 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-13 13:36:09,997 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-13 13:36:09,998 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-13 13:36:09,998 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-13 13:36:09,998 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-13 13:36:09,999 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-13 13:36:09,999 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-13 13:36:10,000 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-13 13:36:10,001 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-13 13:36:10,001 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-13 13:36:10,001 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-08-13 13:36:10,001 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-13 13:36:10,001 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-08-13 13:36:10,002 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-13 13:36:10,002 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-13 13:36:10,002 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-13 13:36:10,002 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-13 13:36:10,003 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-13 13:36:10,003 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-13 13:36:10,003 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2024-08-13 13:36:10,334 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-13 13:36:10,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-13 13:36:10,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-13 13:36:10,359 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-13 13:36:10,359 INFO L274 PluginConnector]: CDTParser initialized [2024-08-13 13:36:10,360 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i [2024-08-13 13:36:11,998 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-13 13:36:12,525 INFO L384 CDTParser]: Found 1 translation units. [2024-08-13 13:36:12,526 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i [2024-08-13 13:36:12,581 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/cc32899fe/dd10531e39c3450fb27b0e18d3a09794/FLAG21a29757a [2024-08-13 13:36:12,598 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/cc32899fe/dd10531e39c3450fb27b0e18d3a09794 [2024-08-13 13:36:12,601 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-13 13:36:12,601 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-13 13:36:12,602 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.yml/witness.yml [2024-08-13 13:36:12,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-13 13:36:12,730 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-13 13:36:12,731 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-13 13:36:12,732 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-13 13:36:12,736 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-13 13:36:12,737 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 01:36:12" (1/2) ... [2024-08-13 13:36:12,738 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c94091d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 01:36:12, skipping insertion in model container [2024-08-13 13:36:12,739 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 01:36:12" (1/2) ... [2024-08-13 13:36:12,740 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@59b3afd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 01:36:12, skipping insertion in model container [2024-08-13 13:36:12,742 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 01:36:12" (2/2) ... [2024-08-13 13:36:12,742 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c94091d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 01:36:12, skipping insertion in model container [2024-08-13 13:36:12,742 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.08 01:36:12" (2/2) ... [2024-08-13 13:36:12,742 INFO L81 nessWitnessExtractor]: Only extracting loop invariants from correctness witness [2024-08-13 13:36:12,788 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-13 13:36:12,789 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-13 13:36:12,789 INFO L106 edCorrectnessWitness]: ghost_update [L7068-L7068] multithreaded = 1; [2024-08-13 13:36:12,908 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-13 13:36:13,302 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_change_pc8736x_gpio_configure.i[5469,5482] [2024-08-13 13:36:17,256 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-13 13:36:17,260 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-13 13:36:17,344 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-13 13:36:17,372 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-08-13 13:36:17,422 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_change_pc8736x_gpio_configure.i[5469,5482] [2024-08-13 13:36:17,559 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] [2024-08-13 13:36:17,561 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] [2024-08-13 13:36:17,561 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] [2024-08-13 13:36:17,562 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] [2024-08-13 13:36:17,832 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-08-13 13:36:17,877 WARN L1645 CHandler]: Possible shadowing of function iminor [2024-08-13 13:36:17,878 WARN L1645 CHandler]: Possible shadowing of function iminor Start Parsing Local [2024-08-13 13:36:17,891 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-13 13:36:18,343 ERROR L334 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-08-13 13:36:18,343 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@59b3afd8 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.08 01:36:18, skipping insertion in model container [2024-08-13 13:36:18,343 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-13 13:36:18,344 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-08-13 13:36:18,350 INFO L158 Benchmark]: Toolchain (without parser) took 5618.49ms. Allocated memory was 62.9MB in the beginning and 119.5MB in the end (delta: 56.6MB). Free memory was 30.9MB in the beginning and 44.4MB in the end (delta: -13.5MB). Peak memory consumption was 67.9MB. Max. memory is 16.1GB. [2024-08-13 13:36:18,350 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 50.3MB. Free memory is still 33.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-13 13:36:18,350 INFO L158 Benchmark]: Witness Parser took 1.01ms. Allocated memory is still 62.9MB. Free memory is still 34.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-13 13:36:18,351 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5612.14ms. Allocated memory was 62.9MB in the beginning and 119.5MB in the end (delta: 56.6MB). Free memory was 30.9MB in the beginning and 44.4MB in the end (delta: -13.5MB). Peak memory consumption was 67.9MB. Max. memory is 16.1GB. [2024-08-13 13:36:18,353 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 50.3MB. Free memory is still 33.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 1.01ms. Allocated memory is still 62.9MB. Free memory is still 34.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5612.14ms. Allocated memory was 62.9MB in the beginning and 119.5MB in the end (delta: 56.6MB). Free memory was 30.9MB in the beginning and 44.4MB in the end (delta: -13.5MB). Peak memory consumption was 67.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 5814]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] - UnsupportedSyntaxResult [Line: -1]: Unsupported Syntax The following functions are not defined or handled internally: ____ilog2_NaN RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN