./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--rtlwifi--rtl8192se--rtl8192se.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 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/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--rtlwifi--rtl8192se--rtl8192se.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-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 64bit --witnessprinter.graph.data.programhash 079e0853edf82767eb868f3965b8963752db80acaa33dba660b3f9bc983f76af --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 13:40:19,794 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 13:40:19,871 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-24 13:40:19,879 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 13:40:19,880 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 13:40:19,916 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 13:40:19,917 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 13:40:19,917 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 13:40:19,918 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 13:40:19,919 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 13:40:19,919 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 13:40:19,920 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 13:40:19,920 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 13:40:19,921 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 13:40:19,921 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 13:40:19,921 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 13:40:19,922 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 13:40:19,922 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 13:40:19,924 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 13:40:19,925 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 13:40:19,925 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 13:40:19,925 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 13:40:19,926 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 13:40:19,926 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 13:40:19,926 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 13:40:19,927 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 13:40:19,927 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 13:40:19,928 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 13:40:19,928 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 13:40:19,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 13:40:19,928 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 13:40:19,929 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 13:40:19,930 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 13:40:19,930 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 13:40:19,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 13:40:19,931 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 13:40:19,931 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 13:40:19,931 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 13:40:19,931 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 13:40:19,932 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 079e0853edf82767eb868f3965b8963752db80acaa33dba660b3f9bc983f76af [2024-10-24 13:40:20,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 13:40:20,223 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 13:40:20,227 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 13:40:20,229 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 13:40:20,229 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 13:40:20,230 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--rtlwifi--rtl8192se--rtl8192se.ko-entry_point.cil.out.i [2024-10-24 13:40:21,720 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 13:40:22,487 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 13:40:22,488 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--rtlwifi--rtl8192se--rtl8192se.ko-entry_point.cil.out.i [2024-10-24 13:40:22,562 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abb2e79fc/c466934f49624c23ac1c0ec5e2cedeb3/FLAGbe865403b [2024-10-24 13:40:22,581 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abb2e79fc/c466934f49624c23ac1c0ec5e2cedeb3 [2024-10-24 13:40:22,585 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 13:40:22,588 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 13:40:22,590 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 13:40:22,590 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 13:40:22,596 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 13:40:22,597 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:40:22" (1/1) ... [2024-10-24 13:40:22,598 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@262d4eeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:40:22, skipping insertion in model container [2024-10-24 13:40:22,598 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:40:22" (1/1) ... [2024-10-24 13:40:22,777 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 13:40:23,771 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/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--rtlwifi--rtl8192se--rtl8192se.ko-entry_point.cil.out.i[216422,216435] [2024-10-24 13:40:26,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 13:40:27,003 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 13:40:27,181 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [7581] [2024-10-24 13:40:27,184 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [7584] [2024-10-24 13:40:27,184 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [7587] [2024-10-24 13:40:27,184 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [7590] [2024-10-24 13:40:27,187 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7610] [2024-10-24 13:40:27,188 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7618] [2024-10-24 13:40:27,189 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7621] [2024-10-24 13:40:27,191 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/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--rtlwifi--rtl8192se--rtl8192se.ko-entry_point.cil.out.i[216422,216435] [2024-10-24 13:40:27,339 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [9738] [2024-10-24 13:40:27,340 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [9741] [2024-10-24 13:40:27,340 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [9744] [2024-10-24 13:40:27,341 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [9747] [2024-10-24 13:40:27,622 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [17256] [2024-10-24 13:40:27,664 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [19042-19043] [2024-10-24 13:40:27,705 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [19848] [2024-10-24 13:40:27,707 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [19859] [2024-10-24 13:40:27,708 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [19871] [2024-10-24 13:40:27,708 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [19886] [2024-10-24 13:40:27,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 13:40:27,891 ERROR L321 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: __bad_percpu_size [2024-10-24 13:40:27,891 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1c923752 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:40:27, skipping insertion in model container [2024-10-24 13:40:27,891 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 13:40:27,892 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-10-24 13:40:27,894 INFO L158 Benchmark]: Toolchain (without parser) took 5305.58ms. Allocated memory was 213.9MB in the beginning and 352.3MB in the end (delta: 138.4MB). Free memory was 168.2MB in the beginning and 180.4MB in the end (delta: -12.2MB). Peak memory consumption was 199.6MB. Max. memory is 16.1GB. [2024-10-24 13:40:27,896 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 155.2MB. Free memory is still 106.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 13:40:27,897 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5301.91ms. Allocated memory was 213.9MB in the beginning and 352.3MB in the end (delta: 138.4MB). Free memory was 168.2MB in the beginning and 180.4MB in the end (delta: -12.2MB). Peak memory consumption was 199.6MB. Max. memory is 16.1GB. [2024-10-24 13:40:27,898 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 155.2MB. Free memory is still 106.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5301.91ms. Allocated memory was 213.9MB in the beginning and 352.3MB in the end (delta: 138.4MB). Free memory was 168.2MB in the beginning and 180.4MB in the end (delta: -12.2MB). Peak memory consumption was 199.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 7581]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [7581] - GenericResultAtLocation [Line: 7584]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [7584] - GenericResultAtLocation [Line: 7587]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [7587] - GenericResultAtLocation [Line: 7590]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [7590] - GenericResultAtLocation [Line: 7610]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7610] - GenericResultAtLocation [Line: 7618]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7618] - GenericResultAtLocation [Line: 7621]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7621] - GenericResultAtLocation [Line: 9738]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [9738] - GenericResultAtLocation [Line: 9741]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [9741] - GenericResultAtLocation [Line: 9744]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [9744] - GenericResultAtLocation [Line: 9747]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [9747] - GenericResultAtLocation [Line: 17256]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [17256] - GenericResultAtLocation [Line: 19042]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [19042-19043] - GenericResultAtLocation [Line: 19848]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [19848] - GenericResultAtLocation [Line: 19859]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [19859] - GenericResultAtLocation [Line: 19871]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [19871] - GenericResultAtLocation [Line: 19886]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [19886] - UnsupportedSyntaxResult [Line: -1]: Unsupported Syntax The following functions are not defined or handled internally: __bad_percpu_size 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/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--rtlwifi--rtl8192se--rtl8192se.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-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 64bit --witnessprinter.graph.data.programhash 079e0853edf82767eb868f3965b8963752db80acaa33dba660b3f9bc983f76af --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 13:40:30,165 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 13:40:30,255 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-10-24 13:40:30,263 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 13:40:30,264 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 13:40:30,300 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 13:40:30,300 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 13:40:30,301 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 13:40:30,301 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 13:40:30,302 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 13:40:30,302 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 13:40:30,306 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 13:40:30,307 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 13:40:30,307 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 13:40:30,307 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 13:40:30,309 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 13:40:30,310 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 13:40:30,310 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 13:40:30,310 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 13:40:30,313 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 13:40:30,313 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 13:40:30,314 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-24 13:40:30,314 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-24 13:40:30,317 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 13:40:30,318 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-24 13:40:30,318 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 13:40:30,318 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 13:40:30,318 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 13:40:30,319 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 13:40:30,319 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 13:40:30,319 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 13:40:30,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 13:40:30,320 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 13:40:30,320 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 13:40:30,320 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 13:40:30,321 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-24 13:40:30,330 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-24 13:40:30,330 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 13:40:30,330 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 13:40:30,332 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 13:40:30,334 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 13:40:30,336 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-24 13:40:30,336 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 079e0853edf82767eb868f3965b8963752db80acaa33dba660b3f9bc983f76af [2024-10-24 13:40:30,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 13:40:30,731 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 13:40:30,737 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 13:40:30,739 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 13:40:30,739 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 13:40:30,741 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--rtlwifi--rtl8192se--rtl8192se.ko-entry_point.cil.out.i [2024-10-24 13:40:32,335 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 13:40:33,040 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 13:40:33,041 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--rtlwifi--rtl8192se--rtl8192se.ko-entry_point.cil.out.i [2024-10-24 13:40:33,104 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1595481dc/21150dd42717415997fcef1a75123fdf/FLAGd143f5788 [2024-10-24 13:40:33,408 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1595481dc/21150dd42717415997fcef1a75123fdf [2024-10-24 13:40:33,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 13:40:33,412 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 13:40:33,413 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 13:40:33,413 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 13:40:33,419 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 13:40:33,420 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:40:33" (1/1) ... [2024-10-24 13:40:33,421 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26e5a83f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:40:33, skipping insertion in model container [2024-10-24 13:40:33,421 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:40:33" (1/1) ... [2024-10-24 13:40:33,598 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 13:40:34,581 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/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--rtlwifi--rtl8192se--rtl8192se.ko-entry_point.cil.out.i[216422,216435] [2024-10-24 13:40:37,660 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 13:40:37,766 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-10-24 13:40:37,890 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 13:40:38,139 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/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--rtlwifi--rtl8192se--rtl8192se.ko-entry_point.cil.out.i[216422,216435] [2024-10-24 13:40:38,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 13:40:38,606 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 13:40:38,898 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [7581] [2024-10-24 13:40:38,905 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [7584] [2024-10-24 13:40:38,906 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [7587] [2024-10-24 13:40:38,906 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [7590] [2024-10-24 13:40:38,907 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7610] [2024-10-24 13:40:38,907 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7618] [2024-10-24 13:40:38,908 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7621] [2024-10-24 13:40:38,910 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/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--rtlwifi--rtl8192se--rtl8192se.ko-entry_point.cil.out.i[216422,216435] [2024-10-24 13:40:39,039 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [9738] [2024-10-24 13:40:39,039 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [9741] [2024-10-24 13:40:39,040 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [9744] [2024-10-24 13:40:39,040 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [9747] [2024-10-24 13:40:39,323 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [17256] [2024-10-24 13:40:39,350 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [19042-19043] [2024-10-24 13:40:39,377 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [19848] [2024-10-24 13:40:39,378 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [19859] [2024-10-24 13:40:39,379 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [19871] [2024-10-24 13:40:39,379 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [19886] [2024-10-24 13:40:39,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 13:40:39,511 ERROR L321 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: __bad_percpu_size [2024-10-24 13:40:39,514 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1664f386 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:40:39, skipping insertion in model container [2024-10-24 13:40:39,515 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 13:40:39,515 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-10-24 13:40:39,517 INFO L158 Benchmark]: Toolchain (without parser) took 6103.89ms. Allocated memory was 65.0MB in the beginning and 394.3MB in the end (delta: 329.3MB). Free memory was 31.0MB in the beginning and 196.1MB in the end (delta: -165.1MB). Peak memory consumption was 194.0MB. Max. memory is 16.1GB. [2024-10-24 13:40:39,518 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 52.4MB. Free memory is still 27.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 13:40:39,519 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6101.71ms. Allocated memory was 65.0MB in the beginning and 394.3MB in the end (delta: 329.3MB). Free memory was 30.8MB in the beginning and 196.1MB in the end (delta: -165.3MB). Peak memory consumption was 194.0MB. Max. memory is 16.1GB. [2024-10-24 13:40:39,521 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 52.4MB. Free memory is still 27.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6101.71ms. Allocated memory was 65.0MB in the beginning and 394.3MB in the end (delta: 329.3MB). Free memory was 30.8MB in the beginning and 196.1MB in the end (delta: -165.3MB). Peak memory consumption was 194.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 7581]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [7581] - GenericResultAtLocation [Line: 7584]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [7584] - GenericResultAtLocation [Line: 7587]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [7587] - GenericResultAtLocation [Line: 7590]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [7590] - GenericResultAtLocation [Line: 7610]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7610] - GenericResultAtLocation [Line: 7618]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7618] - GenericResultAtLocation [Line: 7621]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7621] - GenericResultAtLocation [Line: 9738]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [9738] - GenericResultAtLocation [Line: 9741]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [9741] - GenericResultAtLocation [Line: 9744]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [9744] - GenericResultAtLocation [Line: 9747]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [9747] - GenericResultAtLocation [Line: 17256]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [17256] - GenericResultAtLocation [Line: 19042]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [19042-19043] - GenericResultAtLocation [Line: 19848]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [19848] - GenericResultAtLocation [Line: 19859]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [19859] - GenericResultAtLocation [Line: 19871]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [19871] - GenericResultAtLocation [Line: 19886]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [19886] - UnsupportedSyntaxResult [Line: -1]: Unsupported Syntax The following functions are not defined or handled internally: __bad_percpu_size 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