./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram-race.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram-race.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 17:03:29,752 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 17:03:29,829 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-11 17:03:29,833 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 17:03:29,833 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 17:03:29,864 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 17:03:29,865 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 17:03:29,865 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 17:03:29,866 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 17:03:29,867 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 17:03:29,867 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 17:03:29,868 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 17:03:29,868 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 17:03:29,868 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 17:03:29,870 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 17:03:29,870 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 17:03:29,871 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 17:03:29,871 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 17:03:29,871 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 17:03:29,872 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 17:03:29,872 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 17:03:29,872 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 17:03:29,873 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-11 17:03:29,873 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 17:03:29,873 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 17:03:29,874 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 17:03:29,874 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 17:03:29,874 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 17:03:29,874 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 17:03:29,875 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 17:03:29,877 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 17:03:29,878 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 17:03:29,878 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 17:03:29,879 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 17:03:29,879 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 17:03:29,879 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 17:03:29,879 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 17:03:29,879 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 17:03:29,879 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 17:03:29,880 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 17:03:29,880 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 17:03:29,881 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-clean/releaseScripts/default/UAutomizer-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 [2024-10-11 17:03:30,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 17:03:30,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 17:03:30,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 17:03:30,167 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 17:03:30,167 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 17:03:30,168 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram-race.i [2024-10-11 17:03:31,542 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 17:03:32,011 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 17:03:32,012 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram-race.i [2024-10-11 17:03:32,054 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/9019a18bb/b7acc06c00574c0abfb24d32620ed3a5/FLAG78bcd3786 [2024-10-11 17:03:32,069 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/9019a18bb/b7acc06c00574c0abfb24d32620ed3a5 [2024-10-11 17:03:32,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 17:03:32,076 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 17:03:32,084 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 17:03:32,084 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 17:03:32,090 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 17:03:32,090 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:03:32" (1/1) ... [2024-10-11 17:03:32,091 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fef9873 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:03:32, skipping insertion in model container [2024-10-11 17:03:32,092 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:03:32" (1/1) ... [2024-10-11 17:03:32,196 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 17:03:36,769 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 17:03:36,787 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 17:03:36,989 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] [2024-10-11 17:03:36,991 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] [2024-10-11 17:03:36,991 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] [2024-10-11 17:03:36,992 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] [2024-10-11 17:03:37,122 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-10-11 17:03:37,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 17:03:37,520 ERROR L321 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-10-11 17:03:37,521 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6f1fab0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:03:37, skipping insertion in model container [2024-10-11 17:03:37,521 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 17:03:37,521 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-10-11 17:03:37,523 INFO L158 Benchmark]: Toolchain (without parser) took 5448.36ms. Allocated memory was 163.6MB in the beginning and 218.1MB in the end (delta: 54.5MB). Free memory was 99.3MB in the beginning and 124.2MB in the end (delta: -24.9MB). Peak memory consumption was 119.3MB. Max. memory is 16.1GB. [2024-10-11 17:03:37,524 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 163.6MB. Free memory is still 128.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 17:03:37,525 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5437.61ms. Allocated memory was 163.6MB in the beginning and 218.1MB in the end (delta: 54.5MB). Free memory was 98.9MB in the beginning and 124.2MB in the end (delta: -25.3MB). Peak memory consumption was 119.3MB. Max. memory is 16.1GB. [2024-10-11 17:03:37,526 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 163.6MB. Free memory is still 128.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5437.61ms. Allocated memory was 163.6MB in the beginning and 218.1MB in the end (delta: 54.5MB). Free memory was 98.9MB in the beginning and 124.2MB in the end (delta: -25.3MB). Peak memory consumption was 119.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 5814]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] - UnsupportedSyntaxResult [Line: -1]: Unsupported Syntax The following functions are not defined or handled internally: ____ilog2_NaN RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally 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-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram-race.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 17:03:39,558 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 17:03:39,637 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Bitvector.epf [2024-10-11 17:03:39,644 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 17:03:39,645 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 17:03:39,681 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 17:03:39,682 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 17:03:39,682 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 17:03:39,683 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 17:03:39,684 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 17:03:39,685 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 17:03:39,686 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 17:03:39,686 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 17:03:39,687 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 17:03:39,690 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 17:03:39,690 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 17:03:39,690 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 17:03:39,691 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 17:03:39,691 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 17:03:39,691 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 17:03:39,691 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 17:03:39,692 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-11 17:03:39,692 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-11 17:03:39,692 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 17:03:39,692 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-11 17:03:39,693 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 17:03:39,693 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 17:03:39,693 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 17:03:39,693 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 17:03:39,694 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 17:03:39,694 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 17:03:39,694 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 17:03:39,694 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 17:03:39,694 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 17:03:39,695 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 17:03:39,695 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 17:03:39,697 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-11 17:03:39,697 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-11 17:03:39,697 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 17:03:39,697 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 17:03:39,698 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 17:03:39,699 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 17:03:39,699 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-11 17:03:39,699 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-clean/releaseScripts/default/UAutomizer-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 [2024-10-11 17:03:40,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 17:03:40,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 17:03:40,073 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 17:03:40,074 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 17:03:40,075 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 17:03:40,076 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram-race.i [2024-10-11 17:03:41,727 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 17:03:42,280 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 17:03:42,281 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram-race.i [2024-10-11 17:03:42,328 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/77bed3614/092e6363307d4f769cef02f604eb4ffc/FLAG3cde9d28b [2024-10-11 17:03:42,816 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/77bed3614/092e6363307d4f769cef02f604eb4ffc [2024-10-11 17:03:42,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 17:03:42,819 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 17:03:42,820 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 17:03:42,820 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 17:03:42,825 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 17:03:42,826 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:03:42" (1/1) ... [2024-10-11 17:03:42,826 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68589370 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:03:42, skipping insertion in model container [2024-10-11 17:03:42,827 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:03:42" (1/1) ... [2024-10-11 17:03:42,952 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 17:03:46,833 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 17:03:46,855 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 17:03:47,104 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] [2024-10-11 17:03:47,105 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] [2024-10-11 17:03:47,106 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] [2024-10-11 17:03:47,106 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] [2024-10-11 17:03:47,323 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-10-11 17:03:47,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 17:03:47,974 ERROR L321 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-10-11 17:03:47,975 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1acf8db9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:03:47, skipping insertion in model container [2024-10-11 17:03:47,978 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 17:03:47,979 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-10-11 17:03:47,981 INFO L158 Benchmark]: Toolchain (without parser) took 5160.56ms. Allocated memory was 73.4MB in the beginning and 146.8MB in the end (delta: 73.4MB). Free memory was 43.1MB in the beginning and 48.7MB in the end (delta: -5.6MB). Peak memory consumption was 78.4MB. Max. memory is 16.1GB. [2024-10-11 17:03:47,981 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 50.3MB. Free memory is still 27.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 17:03:47,982 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5158.69ms. Allocated memory was 73.4MB in the beginning and 146.8MB in the end (delta: 73.4MB). Free memory was 43.1MB in the beginning and 48.7MB in the end (delta: -5.6MB). Peak memory consumption was 78.4MB. Max. memory is 16.1GB. [2024-10-11 17:03:47,986 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 50.3MB. Free memory is still 27.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5158.69ms. Allocated memory was 73.4MB in the beginning and 146.8MB in the end (delta: 73.4MB). Free memory was 43.1MB in the beginning and 48.7MB in the end (delta: -5.6MB). Peak memory consumption was 78.4MB. 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