./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 14:28:31,188 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 14:28:31,260 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 14:28:31,265 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 14:28:31,269 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 14:28:31,302 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 14:28:31,303 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 14:28:31,303 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 14:28:31,304 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 14:28:31,306 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 14:28:31,306 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 14:28:31,307 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 14:28:31,307 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 14:28:31,309 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 14:28:31,309 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 14:28:31,310 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 14:28:31,310 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 14:28:31,310 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 14:28:31,310 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 14:28:31,311 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 14:28:31,311 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 14:28:31,313 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 14:28:31,313 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 14:28:31,314 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 14:28:31,314 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 14:28:31,314 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 14:28:31,314 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 14:28:31,315 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 14:28:31,315 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 14:28:31,315 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 14:28:31,315 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 14:28:31,315 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 14:28:31,316 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 14:28:31,316 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 14:28:31,317 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 14:28:31,318 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 14:28:31,318 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 14:28:31,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 14:28:31,319 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 14:28:31,319 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 14:28:31,319 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 14:28:31,320 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 14:28:31,320 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb [2024-10-14 14:28:31,562 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 14:28:31,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 14:28:31,589 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 14:28:31,590 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 14:28:31,590 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 14:28:31,592 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2024-10-14 14:28:33,071 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 14:28:33,558 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 14:28:33,560 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2024-10-14 14:28:33,608 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c70741c1/799704df8c474478bdcd78f633d12f50/FLAG171c1eab5 [2024-10-14 14:28:33,624 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c70741c1/799704df8c474478bdcd78f633d12f50 [2024-10-14 14:28:33,627 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 14:28:33,628 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 14:28:33,630 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 14:28:33,630 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 14:28:33,636 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 14:28:33,637 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:28:33" (1/1) ... [2024-10-14 14:28:33,638 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@746046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:28:33, skipping insertion in model container [2024-10-14 14:28:33,638 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:28:33" (1/1) ... [2024-10-14 14:28:33,760 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 14:28:34,154 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2024-10-14 14:28:38,649 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 14:28:38,665 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 14:28:38,686 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2024-10-14 14:28:38,788 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] [2024-10-14 14:28:38,790 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] [2024-10-14 14:28:38,790 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] [2024-10-14 14:28:38,790 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] [2024-10-14 14:28:38,892 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-10-14 14:28:38,936 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 14:28:39,621 ERROR L321 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-10-14 14:28:39,626 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@28143205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:28:39, skipping insertion in model container [2024-10-14 14:28:39,626 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 14:28:39,627 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-10-14 14:28:39,629 INFO L158 Benchmark]: Toolchain (without parser) took 5999.38ms. Allocated memory was 153.1MB in the beginning and 197.1MB in the end (delta: 44.0MB). Free memory was 86.3MB in the beginning and 60.2MB in the end (delta: 26.0MB). Peak memory consumption was 123.7MB. Max. memory is 16.1GB. [2024-10-14 14:28:39,629 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 153.1MB. Free memory was 114.8MB in the beginning and 114.7MB in the end (delta: 116.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 14:28:39,630 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5996.59ms. Allocated memory was 153.1MB in the beginning and 197.1MB in the end (delta: 44.0MB). Free memory was 86.3MB in the beginning and 60.2MB in the end (delta: 26.0MB). Peak memory consumption was 123.7MB. Max. memory is 16.1GB. [2024-10-14 14:28:39,631 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 153.1MB. Free memory was 114.8MB in the beginning and 114.7MB in the end (delta: 116.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5996.59ms. Allocated memory was 153.1MB in the beginning and 197.1MB in the end (delta: 44.0MB). Free memory was 86.3MB in the beginning and 60.2MB in the end (delta: 26.0MB). Peak memory consumption was 123.7MB. 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/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 14:28:41,651 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 14:28:41,734 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-14 14:28:41,742 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 14:28:41,742 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 14:28:41,775 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 14:28:41,777 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 14:28:41,777 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 14:28:41,778 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 14:28:41,779 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 14:28:41,780 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 14:28:41,780 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 14:28:41,781 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 14:28:41,784 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 14:28:41,784 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 14:28:41,784 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 14:28:41,785 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 14:28:41,785 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 14:28:41,785 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 14:28:41,785 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 14:28:41,786 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 14:28:41,786 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 14:28:41,787 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 14:28:41,788 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-14 14:28:41,788 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-14 14:28:41,788 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 14:28:41,788 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-14 14:28:41,789 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 14:28:41,789 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 14:28:41,789 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 14:28:41,790 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 14:28:41,790 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 14:28:41,791 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 14:28:41,791 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 14:28:41,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 14:28:41,792 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 14:28:41,793 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 14:28:41,793 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 14:28:41,793 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-14 14:28:41,793 INFO L153 SettingsManager]: * Command for external solver=cvc5 --incremental --print-success --lang smt [2024-10-14 14:28:41,794 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 14:28:41,794 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 14:28:41,794 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 14:28:41,795 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 14:28:41,795 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-14 14:28:41,795 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb [2024-10-14 14:28:42,150 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 14:28:42,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 14:28:42,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 14:28:42,179 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 14:28:42,179 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 14:28:42,181 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2024-10-14 14:28:43,654 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 14:28:44,149 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 14:28:44,150 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2024-10-14 14:28:44,204 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/deed8eb46/12832d8ed0b7421c8e7e38f0d323ba94/FLAGa0ab33e30 [2024-10-14 14:28:44,224 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/deed8eb46/12832d8ed0b7421c8e7e38f0d323ba94 [2024-10-14 14:28:44,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 14:28:44,250 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 14:28:44,252 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 14:28:44,253 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 14:28:44,258 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 14:28:44,259 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:28:44" (1/1) ... [2024-10-14 14:28:44,260 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e932115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:28:44, skipping insertion in model container [2024-10-14 14:28:44,261 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:28:44" (1/1) ... [2024-10-14 14:28:44,346 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 14:28:44,727 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2024-10-14 14:28:48,258 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 14:28:48,278 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-10-14 14:28:48,328 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 14:28:48,335 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2024-10-14 14:28:48,569 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 14:28:48,577 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 14:28:48,598 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2024-10-14 14:28:48,792 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] [2024-10-14 14:28:48,798 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] [2024-10-14 14:28:48,798 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] [2024-10-14 14:28:48,799 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] [2024-10-14 14:28:48,993 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-10-14 14:28:49,042 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 14:28:49,697 ERROR L321 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-10-14 14:28:49,701 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@67c03d6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:28:49, skipping insertion in model container [2024-10-14 14:28:49,701 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 14:28:49,702 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-10-14 14:28:49,704 INFO L158 Benchmark]: Toolchain (without parser) took 5454.46ms. Allocated memory was 73.4MB in the beginning and 178.3MB in the end (delta: 104.9MB). Free memory was 51.0MB in the beginning and 59.4MB in the end (delta: -8.4MB). Peak memory consumption was 122.6MB. Max. memory is 16.1GB. [2024-10-14 14:28:49,704 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 52.4MB. Free memory is still 35.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 14:28:49,705 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5449.78ms. Allocated memory was 73.4MB in the beginning and 178.3MB in the end (delta: 104.9MB). Free memory was 50.9MB in the beginning and 59.4MB in the end (delta: -8.4MB). Peak memory consumption was 122.6MB. Max. memory is 16.1GB. [2024-10-14 14:28:49,706 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 52.4MB. Free memory is still 35.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5449.78ms. Allocated memory was 73.4MB in the beginning and 178.3MB in the end (delta: 104.9MB). Free memory was 50.9MB in the beginning and 59.4MB in the end (delta: -8.4MB). Peak memory consumption was 122.6MB. 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