./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.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 a8ab8b9c7011aec39f84a1ecf826f202398208cb106ea4649e1adfd1ea4d4076 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 20:20:46,875 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 20:20:46,928 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 20:20:46,934 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 20:20:46,934 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 20:20:46,949 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 20:20:46,950 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 20:20:46,950 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 20:20:46,950 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 20:20:46,950 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 20:20:46,950 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 20:20:46,951 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 20:20:46,951 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 20:20:46,951 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 20:20:46,951 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 20:20:46,951 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 20:20:46,951 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 20:20:46,951 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 20:20:46,951 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 20:20:46,951 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 20:20:46,952 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 20:20:46,952 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 20:20:46,952 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 20:20:46,952 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 20:20:46,952 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 20:20:46,952 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 20:20:46,952 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 20:20:46,952 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 20:20:46,952 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 20:20:46,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 20:20:46,952 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 20:20:46,953 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 20:20:46,953 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 20:20:46,953 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 20:20:46,953 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 20:20:46,953 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 20:20:46,953 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 20:20:46,953 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 20:20:46,953 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 20:20:46,953 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 20:20:46,953 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> a8ab8b9c7011aec39f84a1ecf826f202398208cb106ea4649e1adfd1ea4d4076 [2025-03-08 20:20:47,304 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 20:20:47,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 20:20:47,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 20:20:47,313 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 20:20:47,313 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 20:20:47,314 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i [2025-03-08 20:20:48,440 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acf7c292d/b793e6b52c2a4976ad0a8af8768fca9c/FLAG07860e9dc [2025-03-08 20:20:49,026 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 20:20:49,027 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i [2025-03-08 20:20:49,065 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acf7c292d/b793e6b52c2a4976ad0a8af8768fca9c/FLAG07860e9dc [2025-03-08 20:20:49,516 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acf7c292d/b793e6b52c2a4976ad0a8af8768fca9c [2025-03-08 20:20:49,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 20:20:49,519 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 20:20:49,520 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 20:20:49,520 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 20:20:49,523 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 20:20:49,524 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 08:20:49" (1/1) ... [2025-03-08 20:20:49,525 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a112f31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:20:49, skipping insertion in model container [2025-03-08 20:20:49,526 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 08:20:49" (1/1) ... [2025-03-08 20:20:49,651 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 20:20:51,897 WARN L250 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i[322443,322456] [2025-03-08 20:20:51,903 WARN L250 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i[322612,322625] [2025-03-08 20:20:51,903 WARN L250 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i[322779,322792] [2025-03-08 20:20:51,904 WARN L250 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i[322947,322960] [2025-03-08 20:20:51,925 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 20:20:51,950 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 20:20:52,046 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"); [5259] [2025-03-08 20:20:52,048 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; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5266] [2025-03-08 20:20:52,048 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5273] [2025-03-08 20:20:52,050 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 *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/f860c18/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5316-5317] [2025-03-08 20:20:52,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5322-5324] [2025-03-08 20:20:52,051 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; incl %0": "+m" (v->counter)); [5344] [2025-03-08 20:20:52,051 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; decl %0": "+m" (v->counter)); [5351] [2025-03-08 20:20:52,054 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5513] [2025-03-08 20:20:52,055 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5520] [2025-03-08 20:20:52,058 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)); [5614-5615] [2025-03-08 20:20:52,060 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" (36), "i" (12UL)); [5648-5649] [2025-03-08 20:20:52,060 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" (79), "i" (12UL)); [5690-5691] [2025-03-08 20:20:52,061 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" (91), "i" (12UL)); [5719-5720] [2025-03-08 20:20:52,072 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6297] [2025-03-08 20:20:52,073 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 *)"drivers/net/ethernet/natsemi/ns83820.c"), "i" (538), "i" (12UL)); [6331-6332] [2025-03-08 20:20:52,090 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6765] [2025-03-08 20:20:52,098 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6925] [2025-03-08 20:20:52,120 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)dev->rx_info.next_rx_desc) [7447] [2025-03-08 20:20:52,208 WARN L250 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i[322443,322456] [2025-03-08 20:20:52,209 WARN L250 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i[322612,322625] [2025-03-08 20:20:52,209 WARN L250 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i[322779,322792] [2025-03-08 20:20:52,209 WARN L250 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i[322947,322960] [2025-03-08 20:20:52,218 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 20:20:52,345 INFO L204 MainTranslator]: Completed translation [2025-03-08 20:20:52,346 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:20:52 WrapperNode [2025-03-08 20:20:52,346 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 20:20:52,347 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 20:20:52,347 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 20:20:52,347 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 20:20:52,351 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:20:52" (1/1) ... [2025-03-08 20:20:52,418 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:20:52" (1/1) ... [2025-03-08 20:20:52,586 INFO L138 Inliner]: procedures = 460, calls = 1838, calls flagged for inlining = 218, calls inlined = 200, statements flattened = 5090 [2025-03-08 20:20:52,587 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 20:20:52,588 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 20:20:52,588 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 20:20:52,589 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 20:20:52,600 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:20:52" (1/1) ... [2025-03-08 20:20:52,600 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:20:52" (1/1) ... [2025-03-08 20:20:52,663 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:20:52" (1/1) ... [2025-03-08 20:20:53,372 INFO L175 MemorySlicer]: Split 789 memory accesses to 18 slices as follows [8, 2, 26, 5, 2, 5, 5, 3, 8, 8, 1, 2, 2, 54, 648, 1, 3, 6]. 82 percent of accesses are in the largest equivalence class. The 93 initializations are split as follows [8, 0, 26, 5, 0, 5, 5, 3, 8, 8, 1, 2, 0, 0, 21, 0, 1, 0]. The 308 writes are split as follows [0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 42, 258, 0, 0, 5]. [2025-03-08 20:20:53,373 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:20:52" (1/1) ... [2025-03-08 20:20:53,373 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:20:52" (1/1) ... [2025-03-08 20:20:53,488 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:20:52" (1/1) ... [2025-03-08 20:20:53,501 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:20:52" (1/1) ... [2025-03-08 20:20:53,527 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:20:52" (1/1) ... [2025-03-08 20:20:53,546 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:20:52" (1/1) ... [2025-03-08 20:20:53,592 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 20:20:53,594 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 20:20:53,594 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 20:20:53,594 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 20:20:53,595 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:20:52" (1/1) ... [2025-03-08 20:20:53,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 20:20:53,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 20:20:53,624 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 20:20:53,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 20:20:53,646 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_set_multicast [2025-03-08 20:20:53,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_set_multicast [2025-03-08 20:20:53,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2025-03-08 20:20:53,647 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2025-03-08 20:20:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_rx_kick [2025-03-08 20:20:53,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_rx_kick [2025-03-08 20:20:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2025-03-08 20:20:53,647 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2025-03-08 20:20:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_do_reset [2025-03-08 20:20:53,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_do_reset [2025-03-08 20:20:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2025-03-08 20:20:53,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2025-03-08 20:20:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-03-08 20:20:53,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-03-08 20:20:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2025-03-08 20:20:53,648 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2025-03-08 20:20:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2025-03-08 20:20:53,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2025-03-08 20:20:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2025-03-08 20:20:53,648 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2025-03-08 20:20:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_62 [2025-03-08 20:20:53,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_62 [2025-03-08 20:20:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_73 [2025-03-08 20:20:53,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_73 [2025-03-08 20:20:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2025-03-08 20:20:53,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2025-03-08 20:20:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_remove_one [2025-03-08 20:20:53,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_remove_one [2025-03-08 20:20:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2025-03-08 20:20:53,650 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2025-03-08 20:20:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_update_stats [2025-03-08 20:20:53,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_update_stats [2025-03-08 20:20:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2025-03-08 20:20:53,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2025-03-08 20:20:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2025-03-08 20:20:53,650 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2025-03-08 20:20:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2025-03-08 20:20:53,650 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2025-03-08 20:20:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2025-03-08 20:20:53,650 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2025-03-08 20:20:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2025-03-08 20:20:53,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2025-03-08 20:20:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2025-03-08 20:20:53,650 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2025-03-08 20:20:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2025-03-08 20:20:53,650 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2025-03-08 20:20:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 20:20:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2025-03-08 20:20:53,650 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2025-03-08 20:20:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2025-03-08 20:20:53,650 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2025-03-08 20:20:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2025-03-08 20:20:53,650 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2025-03-08 20:20:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_tx_timeout [2025-03-08 20:20:53,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_tx_timeout [2025-03-08 20:20:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2025-03-08 20:20:53,650 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2025-03-08 20:20:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2025-03-08 20:20:53,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2025-03-08 20:20:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 20:20:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 20:20:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 20:20:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 20:20:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 20:20:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 20:20:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 20:20:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-08 20:20:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-08 20:20:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-08 20:20:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-08 20:20:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-08 20:20:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-08 20:20:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-03-08 20:20:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-03-08 20:20:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-03-08 20:20:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-03-08 20:20:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-03-08 20:20:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2025-03-08 20:20:53,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2025-03-08 20:20:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2025-03-08 20:20:53,651 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2025-03-08 20:20:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 20:20:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 20:20:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 20:20:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 20:20:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 20:20:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 20:20:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 20:20:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-08 20:20:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-08 20:20:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-08 20:20:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-08 20:20:53,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-08 20:20:53,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-08 20:20:53,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-08 20:20:53,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-03-08 20:20:53,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-03-08 20:20:53,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-03-08 20:20:53,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-03-08 20:20:53,654 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2025-03-08 20:20:53,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2025-03-08 20:20:53,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2025-03-08 20:20:53,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2025-03-08 20:20:53,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2025-03-08 20:20:53,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2025-03-08 20:20:53,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2025-03-08 20:20:53,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2025-03-08 20:20:53,655 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2025-03-08 20:20:53,655 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2025-03-08 20:20:53,655 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2025-03-08 20:20:53,655 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2025-03-08 20:20:53,655 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2025-03-08 20:20:53,655 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2025-03-08 20:20:53,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2025-03-08 20:20:53,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2025-03-08 20:20:53,655 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_run_bist [2025-03-08 20:20:53,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_run_bist [2025-03-08 20:20:53,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 20:20:53,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2025-03-08 20:20:53,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2025-03-08 20:20:53,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2025-03-08 20:20:53,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2025-03-08 20:20:53,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2025-03-08 20:20:53,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2025-03-08 20:20:53,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 20:20:53,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2025-03-08 20:20:53,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2025-03-08 20:20:53,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 20:20:53,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 20:20:53,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 20:20:53,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 20:20:53,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 20:20:53,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 20:20:53,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-08 20:20:53,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-08 20:20:53,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-08 20:20:53,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-08 20:20:53,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-08 20:20:53,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-08 20:20:53,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-03-08 20:20:53,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-03-08 20:20:53,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-03-08 20:20:53,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-03-08 20:20:53,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2025-03-08 20:20:53,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2025-03-08 20:20:53,655 INFO L130 BoogieDeclarations]: Found specification of procedure clear_rx_desc [2025-03-08 20:20:53,655 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_rx_desc [2025-03-08 20:20:53,655 INFO L130 BoogieDeclarations]: Found specification of procedure phy_intr [2025-03-08 20:20:53,655 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_intr [2025-03-08 20:20:53,655 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-03-08 20:20:53,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-03-08 20:20:53,656 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2025-03-08 20:20:53,656 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2025-03-08 20:20:53,656 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2025-03-08 20:20:53,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2025-03-08 20:20:53,656 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2025-03-08 20:20:53,656 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2025-03-08 20:20:53,656 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2025-03-08 20:20:53,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2025-03-08 20:20:53,656 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2025-03-08 20:20:53,656 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2025-03-08 20:20:53,656 INFO L130 BoogieDeclarations]: Found specification of procedure do_tx_done [2025-03-08 20:20:53,656 INFO L138 BoogieDeclarations]: Found implementation of procedure do_tx_done [2025-03-08 20:20:53,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_misc_lock_of_ns83820 [2025-03-08 20:20:53,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_misc_lock_of_ns83820 [2025-03-08 20:20:53,657 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2025-03-08 20:20:53,657 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2025-03-08 20:20:53,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2025-03-08 20:20:53,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2025-03-08 20:20:53,658 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2025-03-08 20:20:53,658 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2025-03-08 20:20:53,658 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2025-03-08 20:20:53,658 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2025-03-08 20:20:53,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 20:20:53,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 20:20:53,658 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_stop [2025-03-08 20:20:53,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_stop [2025-03-08 20:20:53,658 INFO L130 BoogieDeclarations]: Found specification of procedure kick_tx [2025-03-08 20:20:53,658 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_tx [2025-03-08 20:20:53,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_rx_info [2025-03-08 20:20:53,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_rx_info [2025-03-08 20:20:53,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 20:20:53,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 20:20:53,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 20:20:53,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 20:20:53,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 20:20:53,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 20:20:53,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-08 20:20:53,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-08 20:20:53,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-08 20:20:53,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-08 20:20:53,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-08 20:20:53,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-08 20:20:53,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-03-08 20:20:53,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-03-08 20:20:53,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-03-08 20:20:53,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2025-03-08 20:20:53,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2025-03-08 20:20:53,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2025-03-08 20:20:53,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-03-08 20:20:53,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-03-08 20:20:53,659 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2025-03-08 20:20:53,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2025-03-08 20:20:53,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2025-03-08 20:20:53,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2025-03-08 20:20:53,659 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2025-03-08 20:20:53,659 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2025-03-08 20:20:53,659 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2025-03-08 20:20:53,659 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2025-03-08 20:20:53,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2025-03-08 20:20:53,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2025-03-08 20:20:53,659 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2025-03-08 20:20:53,659 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2025-03-08 20:20:53,659 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2025-03-08 20:20:53,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2025-03-08 20:20:53,659 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2025-03-08 20:20:53,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2025-03-08 20:20:53,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-08 20:20:53,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-08 20:20:53,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-08 20:20:53,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-08 20:20:53,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-08 20:20:53,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-08 20:20:53,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-03-08 20:20:53,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-03-08 20:20:53,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2025-03-08 20:20:53,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2025-03-08 20:20:53,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2025-03-08 20:20:53,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2025-03-08 20:20:53,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2025-03-08 20:20:53,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2025-03-08 20:20:53,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2025-03-08 20:20:53,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2025-03-08 20:20:53,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2025-03-08 20:20:53,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2025-03-08 20:20:53,659 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-08 20:20:53,659 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-08 20:20:53,660 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-08 20:20:53,660 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-08 20:20:53,660 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-08 20:20:53,660 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-08 20:20:53,661 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-03-08 20:20:53,661 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-03-08 20:20:53,661 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2025-03-08 20:20:53,661 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2025-03-08 20:20:53,661 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2025-03-08 20:20:53,661 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2025-03-08 20:20:53,661 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2025-03-08 20:20:53,661 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2025-03-08 20:20:53,661 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2025-03-08 20:20:53,661 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2025-03-08 20:20:53,661 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2025-03-08 20:20:53,661 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2025-03-08 20:20:53,661 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2025-03-08 20:20:53,661 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2025-03-08 20:20:53,661 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2025-03-08 20:20:53,661 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2025-03-08 20:20:53,661 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2025-03-08 20:20:53,661 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2025-03-08 20:20:53,661 INFO L130 BoogieDeclarations]: Found specification of procedure PRIV [2025-03-08 20:20:53,661 INFO L138 BoogieDeclarations]: Found implementation of procedure PRIV [2025-03-08 20:20:53,661 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2025-03-08 20:20:53,661 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2025-03-08 20:20:53,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 20:20:53,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_72 [2025-03-08 20:20:53,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_72 [2025-03-08 20:20:53,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 20:20:53,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 20:20:53,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 20:20:53,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 20:20:53,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 20:20:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 20:20:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-08 20:20:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-08 20:20:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-08 20:20:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-08 20:20:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-08 20:20:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-08 20:20:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-03-08 20:20:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-03-08 20:20:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-03-08 20:20:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-03-08 20:20:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2025-03-08 20:20:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2025-03-08 20:20:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-03-08 20:20:53,662 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-03-08 20:20:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2025-03-08 20:20:53,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2025-03-08 20:20:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2025-03-08 20:20:53,662 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2025-03-08 20:20:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2025-03-08 20:20:53,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2025-03-08 20:20:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2025-03-08 20:20:53,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2025-03-08 20:20:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2025-03-08 20:20:53,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2025-03-08 20:20:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2025-03-08 20:20:53,662 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2025-03-08 20:20:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2025-03-08 20:20:53,662 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2025-03-08 20:20:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2025-03-08 20:20:53,662 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2025-03-08 20:20:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_lock_of_ns83820 [2025-03-08 20:20:53,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_lock_of_ns83820 [2025-03-08 20:20:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2025-03-08 20:20:53,662 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2025-03-08 20:20:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure build_rx_desc [2025-03-08 20:20:53,662 INFO L138 BoogieDeclarations]: Found implementation of procedure build_rx_desc [2025-03-08 20:20:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 20:20:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 20:20:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 20:20:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 20:20:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 20:20:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 20:20:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 20:20:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-08 20:20:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-08 20:20:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-08 20:20:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-08 20:20:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-08 20:20:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-08 20:20:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-08 20:20:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-03-08 20:20:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-03-08 20:20:53,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-03-08 20:20:53,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-03-08 20:20:53,663 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2025-03-08 20:20:53,664 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2025-03-08 20:20:53,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-03-08 20:20:53,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-03-08 20:20:53,664 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2025-03-08 20:20:53,664 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2025-03-08 20:20:53,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_misc_lock_of_ns83820 [2025-03-08 20:20:53,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_misc_lock_of_ns83820 [2025-03-08 20:20:53,664 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2025-03-08 20:20:53,664 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2025-03-08 20:20:53,664 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_open [2025-03-08 20:20:53,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_open [2025-03-08 20:20:53,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2025-03-08 20:20:53,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2025-03-08 20:20:53,664 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2025-03-08 20:20:53,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2025-03-08 20:20:53,664 INFO L130 BoogieDeclarations]: Found specification of procedure rx_irq [2025-03-08 20:20:53,664 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_irq [2025-03-08 20:20:53,664 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_disable_interrupts [2025-03-08 20:20:53,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_disable_interrupts [2025-03-08 20:20:53,664 INFO L130 BoogieDeclarations]: Found specification of procedure kick_rx [2025-03-08 20:20:53,664 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_rx [2025-03-08 20:20:53,664 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2025-03-08 20:20:53,664 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2025-03-08 20:20:53,664 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2025-03-08 20:20:53,664 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2025-03-08 20:20:53,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 20:20:53,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 20:20:53,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 20:20:53,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 20:20:53,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 20:20:53,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 20:20:53,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 20:20:53,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-08 20:20:53,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-08 20:20:53,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-08 20:20:53,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-08 20:20:53,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-08 20:20:53,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-08 20:20:53,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-08 20:20:53,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-03-08 20:20:53,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-03-08 20:20:53,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-03-08 20:20:53,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-03-08 20:20:53,664 INFO L130 BoogieDeclarations]: Found specification of procedure rx_refill [2025-03-08 20:20:53,664 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_refill [2025-03-08 20:20:53,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2025-03-08 20:20:53,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2025-03-08 20:20:53,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_rx_info [2025-03-08 20:20:53,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_rx_info [2025-03-08 20:20:53,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_ns83820 [2025-03-08 20:20:53,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_ns83820 [2025-03-08 20:20:54,362 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 20:20:54,368 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 20:20:54,503 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-03-08 20:20:54,578 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12274: havoc queue_work_on_#t~nondet1103#1; [2025-03-08 20:20:54,605 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12253: havoc netpoll_trap_#t~nondet1100#1; [2025-03-08 20:20:54,714 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5879: havoc skb_network_header_#t~mem175#1.base, skb_network_header_#t~mem175#1.offset;havoc skb_network_header_#t~mem176#1; [2025-03-08 20:20:54,859 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L10106: havoc ldv_dev_get_drvdata_#t~mem974#1.base, ldv_dev_get_drvdata_#t~mem974#1.offset;havoc ldv_dev_get_drvdata_#t~mem975#1.base, ldv_dev_get_drvdata_#t~mem975#1.offset; [2025-03-08 20:20:54,919 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5568: havoc is_device_dma_capable_#t~mem59#1.base, is_device_dma_capable_#t~mem59#1.offset;havoc is_device_dma_capable_#t~mem60#1.base, is_device_dma_capable_#t~mem60#1.offset;havoc is_device_dma_capable_#t~mem61#1;havoc is_device_dma_capable_#t~short62#1; [2025-03-08 20:20:54,966 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12304: havoc #t~nondet1110; [2025-03-08 20:20:54,970 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5864: havoc #t~mem169.base, #t~mem169.offset;havoc #t~mem170; [2025-03-08 20:20:54,972 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12196: havoc #t~nondet1096; [2025-03-08 20:20:54,995 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12270: havoc #t~nondet1102; [2025-03-08 20:20:55,025 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5287: havoc #t~bitwise3; [2025-03-08 20:20:55,033 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5921: havoc #t~mem185.base, #t~mem185.offset; [2025-03-08 20:20:55,075 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5590: havoc #t~mem86.base, #t~mem86.offset; [2025-03-08 20:20:55,085 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12134: havoc #t~nondet1087; [2025-03-08 20:20:55,090 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12124: havoc #t~nondet1086; [2025-03-08 20:20:55,132 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12184: havoc dma_set_mask_#t~nondet1093#1; [2025-03-08 20:20:55,162 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5332: havoc arch_irqs_disabled_flags_#t~bitwise16#1; [2025-03-08 20:20:55,328 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12295: havoc schedule_timeout_uninterruptible_#t~nondet1106#1; [2025-03-08 20:20:55,338 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5275: #res := 1; [2025-03-08 20:20:55,368 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8884: #res#1 := ~arg0#1; [2025-03-08 20:20:55,575 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6477: call ULTIMATE.dealloc(~#speeds~0.base, ~#speeds~0.offset);havoc ~#speeds~0.base, ~#speeds~0.offset; [2025-03-08 20:20:55,698 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9972-1: ldv_mod_timer_98_#res#1 := ldv_mod_timer_98_~ldv_func_res~2#1; [2025-03-08 20:20:55,699 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7654: call ULTIMATE.dealloc(~#__key~0#1.base, ~#__key~0#1.offset);havoc ~#__key~0#1.base, ~#__key~0#1.offset; [2025-03-08 20:20:55,701 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12242: havoc #t~nondet1098; [2025-03-08 20:20:55,798 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12249: havoc netif_rx_#t~nondet1099#1; [2025-03-08 20:20:55,798 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12192: havoc eth_type_trans_#t~nondet1095#1; [2025-03-08 20:20:55,886 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5281: havoc constant_test_bit_#t~mem1#1;havoc constant_test_bit_#t~bitwise2#1; [2025-03-08 20:20:55,908 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5857: havoc #t~mem167; [2025-03-08 20:21:03,499 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9417-1: ldv_request_irq_#res#1 := ldv_request_irq_~arg0#1; [2025-03-08 20:21:03,499 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12260: havoc pci_enable_device_#t~nondet1101#1; [2025-03-08 20:21:03,499 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8364-1: ldv_alloc_etherdev_mqs_#res#1.base, ldv_alloc_etherdev_mqs_#res#1.offset := ldv_alloc_etherdev_mqs_~arg0#1.base, ldv_alloc_etherdev_mqs_~arg0#1.offset; [2025-03-08 20:21:03,500 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8367-1: ldv_alloc_etherdev_mqs_#res#1.base, ldv_alloc_etherdev_mqs_#res#1.offset := ldv_alloc_etherdev_mqs_~arg0#1.base, ldv_alloc_etherdev_mqs_~arg0#1.offset; [2025-03-08 20:21:03,500 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint main_returnLabel#1: #t~ret1112#1 := main_#res#1;havoc main_#t~ret892#1, main_~tmp~62#1;assume { :end_inline_main } true; [2025-03-08 20:21:03,500 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8369-1: ldv_alloc_etherdev_mqs_#res#1.base, ldv_alloc_etherdev_mqs_#res#1.offset := ldv_alloc_etherdev_mqs_~arg0#1.base, ldv_alloc_etherdev_mqs_~arg0#1.offset; [2025-03-08 20:21:03,500 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L10021-1: ldv_register_netdevice_103_#res#1 := ldv_register_netdevice_103_~ldv_func_res~5#1; [2025-03-08 20:21:03,500 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L10088-1: ldv___pci_register_driver_109_#res#1 := ldv___pci_register_driver_109_~ldv_func_res~6#1; [2025-03-08 20:21:03,500 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9957-1: ldv_mod_timer_97_#res#1 := ldv_mod_timer_97_~ldv_func_res~1#1; [2025-03-08 20:21:03,500 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5531: havoc dev_name_#t~mem51#1.base, dev_name_#t~mem51#1.offset; [2025-03-08 20:21:03,500 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12208: havoc ioremap_nocache_#t~ret1097#1.base, ioremap_nocache_#t~ret1097#1.offset; [2025-03-08 20:21:03,500 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5338: havoc atomic_read_#t~mem17#1; [2025-03-08 20:21:03,500 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9104: call ULTIMATE.dealloc(ldv_pci_instance_suspend_2_8_~#arg2#1.base, ldv_pci_instance_suspend_2_8_~#arg2#1.offset);havoc ldv_pci_instance_suspend_2_8_~#arg2#1.base, ldv_pci_instance_suspend_2_8_~#arg2#1.offset; [2025-03-08 20:21:03,500 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12278: havoc register_netdevice_#t~nondet1104#1; [2025-03-08 20:21:03,500 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7852: call ULTIMATE.dealloc(ns83820_init_one_~#__key~1#1.base, ns83820_init_one_~#__key~1#1.offset);havoc ns83820_init_one_~#__key~1#1.base, ns83820_init_one_~#__key~1#1.offset;call ULTIMATE.dealloc(ns83820_init_one_~#__key___0~0#1.base, ns83820_init_one_~#__key___0~0#1.offset);havoc ns83820_init_one_~#__key___0~0#1.base, ns83820_init_one_~#__key___0~0#1.offset;call ULTIMATE.dealloc(ns83820_init_one_~#__key___1~0#1.base, ns83820_init_one_~#__key___1~0#1.offset);havoc ns83820_init_one_~#__key___1~0#1.base, ns83820_init_one_~#__key___1~0#1.offset;call ULTIMATE.dealloc(ns83820_init_one_~#__key___2~0#1.base, ns83820_init_one_~#__key___2~0#1.offset);havoc ns83820_init_one_~#__key___2~0#1.base, ns83820_init_one_~#__key___2~0#1.offset;call ULTIMATE.dealloc(ns83820_init_one_~#__constr_expr_0~0#1.base, ns83820_init_one_~#__constr_expr_0~0#1.offset);havoc ns83820_init_one_~#__constr_expr_0~0#1.base, ns83820_init_one_~#__constr_expr_0~0#1.offset; [2025-03-08 20:21:03,500 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12282: havoc request_threaded_irq_#t~nondet1105#1; [2025-03-08 20:21:03,500 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12152: havoc alloc_etherdev_mqs_#t~ret1088#1.base, alloc_etherdev_mqs_#t~ret1088#1.offset; [2025-03-08 20:21:03,500 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9115: call ULTIMATE.dealloc(ldv_pci_instance_suspend_late_2_7_~#arg2#1.base, ldv_pci_instance_suspend_late_2_7_~#arg2#1.offset);havoc ldv_pci_instance_suspend_late_2_7_~#arg2#1.base, ldv_pci_instance_suspend_late_2_7_~#arg2#1.offset; [2025-03-08 20:21:03,500 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9384-1: ldv_register_netdevice_#res#1 := ldv_register_netdevice_~arg0#1; [2025-03-08 20:21:03,500 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5886: havoc skb_frag_page_#t~mem180#1.base, skb_frag_page_#t~mem180#1.offset; [2025-03-08 20:21:03,500 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9988-1: ldv_alloc_etherdev_mqs_101_#res#1.base, ldv_alloc_etherdev_mqs_101_#res#1.offset := ldv_alloc_etherdev_mqs_101_~ldv_func_res~3#1.base, ldv_alloc_etherdev_mqs_101_~ldv_func_res~3#1.offset; [2025-03-08 20:21:03,500 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12172: havoc dev_alloc_name_#t~nondet1090#1; [2025-03-08 20:21:03,500 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12176: havoc dev_trans_start_#t~nondet1091#1; [2025-03-08 20:21:03,500 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8345-1: ldv___pci_register_driver_#res#1 := ldv___pci_register_driver_~arg0#1; [2025-03-08 20:21:03,500 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5506: havoc kobject_name_#t~mem46#1.base, kobject_name_#t~mem46#1.offset; [2025-03-08 20:21:03,500 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12180: havoc dev_warn_#t~nondet1092#1; [2025-03-08 20:21:03,500 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-03-08 20:21:03,500 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L10006-1: ldv_request_irq_102_#res#1 := ldv_request_irq_102_~ldv_func_res~4#1; [2025-03-08 20:21:03,500 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12120: havoc __pci_register_driver_#t~nondet1085#1; [2025-03-08 20:21:03,500 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12188: havoc eth_mac_addr_#t~nondet1094#1; [2025-03-08 20:21:04,011 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12168: havoc del_timer_sync_#t~nondet1089#1; [2025-03-08 20:21:04,012 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8399-1: ldv_del_timer_sync_#res#1 := ldv_del_timer_sync_~arg0#1; [2025-03-08 20:21:04,012 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9932-1: ldv_del_timer_sync_92_#res#1 := ldv_del_timer_sync_92_~ldv_func_res~0#1; [2025-03-08 20:21:04,779 INFO L? ?]: Removed 2331 outVars from TransFormulas that were not future-live. [2025-03-08 20:21:04,779 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 20:21:04,902 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 20:21:04,903 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2025-03-08 20:21:04,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 08:21:04 BoogieIcfgContainer [2025-03-08 20:21:04,903 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 20:21:04,909 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 20:21:04,909 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 20:21:04,914 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 20:21:04,914 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 08:20:49" (1/3) ... [2025-03-08 20:21:04,915 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b06b9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 08:21:04, skipping insertion in model container [2025-03-08 20:21:04,915 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:20:52" (2/3) ... [2025-03-08 20:21:04,915 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b06b9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 08:21:04, skipping insertion in model container [2025-03-08 20:21:04,915 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 08:21:04" (3/3) ... [2025-03-08 20:21:04,916 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i [2025-03-08 20:21:04,930 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 20:21:04,933 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i that has 124 procedures, 2319 locations, 1 initial locations, 18 loop locations, and 3 error locations. [2025-03-08 20:21:05,033 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 20:21:05,041 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5d42bdf5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 20:21:05,041 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-03-08 20:21:05,053 INFO L276 IsEmpty]: Start isEmpty. Operand has 2249 states, 1607 states have (on average 1.3086496577473554) internal successors, (2103), 1639 states have internal predecessors, (2103), 534 states have call successors, (534), 106 states have call predecessors, (534), 105 states have return successors, (529), 525 states have call predecessors, (529), 529 states have call successors, (529) [2025-03-08 20:21:05,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-03-08 20:21:05,068 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:21:05,068 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 20:21:05,069 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-08 20:21:05,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:21:05,074 INFO L85 PathProgramCache]: Analyzing trace with hash 179279749, now seen corresponding path program 1 times [2025-03-08 20:21:05,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:21:05,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113600661] [2025-03-08 20:21:05,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:21:05,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:21:07,581 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-08 20:21:07,839 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-08 20:21:07,842 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:21:07,842 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:21:08,370 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2025-03-08 20:21:08,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:21:08,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113600661] [2025-03-08 20:21:08,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113600661] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:21:08,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:21:08,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:21:08,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213227505] [2025-03-08 20:21:08,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:21:08,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:21:08,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:21:08,393 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:21:08,393 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:21:08,400 INFO L87 Difference]: Start difference. First operand has 2249 states, 1607 states have (on average 1.3086496577473554) internal successors, (2103), 1639 states have internal predecessors, (2103), 534 states have call successors, (534), 106 states have call predecessors, (534), 105 states have return successors, (529), 525 states have call predecessors, (529), 529 states have call successors, (529) Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-03-08 20:21:12,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 20:21:14,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:21:14,846 INFO L93 Difference]: Finished difference Result 6631 states and 9531 transitions. [2025-03-08 20:21:14,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:21:14,849 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 101 [2025-03-08 20:21:14,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:21:14,912 INFO L225 Difference]: With dead ends: 6631 [2025-03-08 20:21:14,912 INFO L226 Difference]: Without dead ends: 4391 [2025-03-08 20:21:14,949 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:21:14,955 INFO L435 NwaCegarLoop]: 3024 mSDtfsCounter, 3014 mSDsluCounter, 2944 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3014 SdHoareTripleChecker+Valid, 5968 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2025-03-08 20:21:14,956 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3014 Valid, 5968 Invalid, 254 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 250 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2025-03-08 20:21:14,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4391 states. [2025-03-08 20:21:15,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4391 to 4387. [2025-03-08 20:21:15,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4387 states, 3154 states have (on average 1.275840202916931) internal successors, (4024), 3216 states have internal predecessors, (4024), 1023 states have call successors, (1023), 208 states have call predecessors, (1023), 207 states have return successors, (1020), 1012 states have call predecessors, (1020), 1020 states have call successors, (1020) [2025-03-08 20:21:15,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4387 states to 4387 states and 6067 transitions. [2025-03-08 20:21:15,290 INFO L78 Accepts]: Start accepts. Automaton has 4387 states and 6067 transitions. Word has length 101 [2025-03-08 20:21:15,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:21:15,291 INFO L471 AbstractCegarLoop]: Abstraction has 4387 states and 6067 transitions. [2025-03-08 20:21:15,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-03-08 20:21:15,292 INFO L276 IsEmpty]: Start isEmpty. Operand 4387 states and 6067 transitions. [2025-03-08 20:21:15,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2025-03-08 20:21:15,299 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:21:15,299 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 20:21:15,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 20:21:15,299 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-08 20:21:15,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:21:15,300 INFO L85 PathProgramCache]: Analyzing trace with hash -823526929, now seen corresponding path program 1 times [2025-03-08 20:21:15,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:21:15,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137905447] [2025-03-08 20:21:15,300 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:21:15,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:21:17,650 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-03-08 20:21:17,719 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-03-08 20:21:17,719 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:21:17,719 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:21:17,982 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2025-03-08 20:21:17,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:21:17,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137905447] [2025-03-08 20:21:17,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137905447] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:21:17,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:21:17,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:21:17,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886158893] [2025-03-08 20:21:17,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:21:17,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:21:17,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:21:17,989 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:21:17,989 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:21:17,989 INFO L87 Difference]: Start difference. First operand 4387 states and 6067 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-03-08 20:21:22,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 20:21:24,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:21:24,694 INFO L93 Difference]: Finished difference Result 12363 states and 17071 transitions. [2025-03-08 20:21:24,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:21:24,695 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 114 [2025-03-08 20:21:24,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:21:24,750 INFO L225 Difference]: With dead ends: 12363 [2025-03-08 20:21:24,750 INFO L226 Difference]: Without dead ends: 7995 [2025-03-08 20:21:24,770 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:21:24,771 INFO L435 NwaCegarLoop]: 2987 mSDtfsCounter, 2537 mSDsluCounter, 2893 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2537 SdHoareTripleChecker+Valid, 5880 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2025-03-08 20:21:24,772 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2537 Valid, 5880 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 299 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2025-03-08 20:21:24,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7995 states. [2025-03-08 20:21:25,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7995 to 7958. [2025-03-08 20:21:25,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7958 states, 5697 states have (on average 1.2736527997191505) internal successors, (7256), 5813 states have internal predecessors, (7256), 1857 states have call successors, (1857), 402 states have call predecessors, (1857), 401 states have return successors, (1860), 1836 states have call predecessors, (1860), 1854 states have call successors, (1860) [2025-03-08 20:21:25,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7958 states to 7958 states and 10973 transitions. [2025-03-08 20:21:25,246 INFO L78 Accepts]: Start accepts. Automaton has 7958 states and 10973 transitions. Word has length 114 [2025-03-08 20:21:25,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:21:25,247 INFO L471 AbstractCegarLoop]: Abstraction has 7958 states and 10973 transitions. [2025-03-08 20:21:25,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-03-08 20:21:25,247 INFO L276 IsEmpty]: Start isEmpty. Operand 7958 states and 10973 transitions. [2025-03-08 20:21:25,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2025-03-08 20:21:25,254 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:21:25,254 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 20:21:25,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 20:21:25,254 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-08 20:21:25,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:21:25,255 INFO L85 PathProgramCache]: Analyzing trace with hash -869688234, now seen corresponding path program 1 times [2025-03-08 20:21:25,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:21:25,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257639751] [2025-03-08 20:21:25,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:21:25,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:21:27,558 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-03-08 20:21:27,613 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-03-08 20:21:27,615 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:21:27,615 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:21:27,963 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2025-03-08 20:21:27,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:21:27,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257639751] [2025-03-08 20:21:27,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257639751] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:21:27,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:21:27,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:21:27,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507196551] [2025-03-08 20:21:27,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:21:27,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:21:27,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:21:27,966 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:21:27,966 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:21:27,967 INFO L87 Difference]: Start difference. First operand 7958 states and 10973 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-03-08 20:21:31,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 20:21:34,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:21:34,949 INFO L93 Difference]: Finished difference Result 15589 states and 21494 transitions. [2025-03-08 20:21:34,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:21:34,949 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 115 [2025-03-08 20:21:34,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:21:34,997 INFO L225 Difference]: With dead ends: 15589 [2025-03-08 20:21:34,997 INFO L226 Difference]: Without dead ends: 7650 [2025-03-08 20:21:35,072 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:21:35,074 INFO L435 NwaCegarLoop]: 3686 mSDtfsCounter, 2244 mSDsluCounter, 2907 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2244 SdHoareTripleChecker+Valid, 6593 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2025-03-08 20:21:35,074 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2244 Valid, 6593 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 333 Invalid, 1 Unknown, 0 Unchecked, 6.8s Time] [2025-03-08 20:21:35,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7650 states. [2025-03-08 20:21:35,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7650 to 7622. [2025-03-08 20:21:35,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7622 states, 5452 states have (on average 1.2764123257520177) internal successors, (6959), 5573 states have internal predecessors, (6959), 1751 states have call successors, (1751), 417 states have call predecessors, (1751), 416 states have return successors, (1751), 1730 states have call predecessors, (1751), 1748 states have call successors, (1751) [2025-03-08 20:21:35,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7622 states to 7622 states and 10461 transitions. [2025-03-08 20:21:35,330 INFO L78 Accepts]: Start accepts. Automaton has 7622 states and 10461 transitions. Word has length 115 [2025-03-08 20:21:35,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:21:35,331 INFO L471 AbstractCegarLoop]: Abstraction has 7622 states and 10461 transitions. [2025-03-08 20:21:35,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-03-08 20:21:35,332 INFO L276 IsEmpty]: Start isEmpty. Operand 7622 states and 10461 transitions. [2025-03-08 20:21:35,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2025-03-08 20:21:35,333 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:21:35,333 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 20:21:35,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 20:21:35,334 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-08 20:21:35,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:21:35,335 INFO L85 PathProgramCache]: Analyzing trace with hash -188404013, now seen corresponding path program 1 times [2025-03-08 20:21:35,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:21:35,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14578235] [2025-03-08 20:21:35,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:21:35,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:21:37,604 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-03-08 20:21:37,683 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-03-08 20:21:37,684 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:21:37,684 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:21:37,963 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2025-03-08 20:21:37,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:21:37,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14578235] [2025-03-08 20:21:37,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14578235] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:21:37,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:21:37,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:21:37,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408629195] [2025-03-08 20:21:37,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:21:37,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:21:37,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:21:37,964 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:21:37,964 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:21:37,965 INFO L87 Difference]: Start difference. First operand 7622 states and 10461 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-08 20:21:41,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 20:21:44,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:21:44,424 INFO L93 Difference]: Finished difference Result 20936 states and 28728 transitions. [2025-03-08 20:21:44,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:21:44,425 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 119 [2025-03-08 20:21:44,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:21:44,500 INFO L225 Difference]: With dead ends: 20936 [2025-03-08 20:21:44,501 INFO L226 Difference]: Without dead ends: 13333 [2025-03-08 20:21:44,527 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:21:44,528 INFO L435 NwaCegarLoop]: 3004 mSDtfsCounter, 2893 mSDsluCounter, 2840 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2893 SdHoareTripleChecker+Valid, 5844 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2025-03-08 20:21:44,528 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2893 Valid, 5844 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 253 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2025-03-08 20:21:44,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13333 states. [2025-03-08 20:21:44,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13333 to 13294. [2025-03-08 20:21:44,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13294 states, 9520 states have (on average 1.2759453781512604) internal successors, (12147), 9740 states have internal predecessors, (12147), 3031 states have call successors, (3031), 744 states have call predecessors, (3031), 740 states have return successors, (3056), 2978 states have call predecessors, (3056), 3028 states have call successors, (3056) [2025-03-08 20:21:44,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13294 states to 13294 states and 18234 transitions. [2025-03-08 20:21:44,943 INFO L78 Accepts]: Start accepts. Automaton has 13294 states and 18234 transitions. Word has length 119 [2025-03-08 20:21:44,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:21:44,944 INFO L471 AbstractCegarLoop]: Abstraction has 13294 states and 18234 transitions. [2025-03-08 20:21:44,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-08 20:21:44,945 INFO L276 IsEmpty]: Start isEmpty. Operand 13294 states and 18234 transitions. [2025-03-08 20:21:44,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2025-03-08 20:21:44,947 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:21:44,948 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 20:21:44,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 20:21:44,948 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-08 20:21:44,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:21:44,949 INFO L85 PathProgramCache]: Analyzing trace with hash -988555073, now seen corresponding path program 1 times [2025-03-08 20:21:44,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:21:44,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211186352] [2025-03-08 20:21:44,949 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:21:44,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:21:46,878 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-03-08 20:21:46,919 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-03-08 20:21:46,919 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:21:46,919 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:21:47,205 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2025-03-08 20:21:47,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:21:47,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211186352] [2025-03-08 20:21:47,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211186352] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:21:47,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:21:47,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:21:47,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825296236] [2025-03-08 20:21:47,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:21:47,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:21:47,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:21:47,206 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:21:47,206 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:21:47,206 INFO L87 Difference]: Start difference. First operand 13294 states and 18234 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-03-08 20:21:51,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 20:21:53,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:21:53,786 INFO L93 Difference]: Finished difference Result 36228 states and 49475 transitions. [2025-03-08 20:21:53,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:21:53,787 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 122 [2025-03-08 20:21:53,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:21:53,880 INFO L225 Difference]: With dead ends: 36228 [2025-03-08 20:21:53,880 INFO L226 Difference]: Without dead ends: 22953 [2025-03-08 20:21:53,924 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:21:53,925 INFO L435 NwaCegarLoop]: 3672 mSDtfsCounter, 2834 mSDsluCounter, 2929 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2834 SdHoareTripleChecker+Valid, 6601 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2025-03-08 20:21:53,925 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2834 Valid, 6601 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 294 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2025-03-08 20:21:53,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22953 states. [2025-03-08 20:21:54,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22953 to 22912. [2025-03-08 20:21:54,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22912 states, 16452 states have (on average 1.2653780695356187) internal successors, (20818), 16808 states have internal predecessors, (20818), 5153 states have call successors, (5153), 1315 states have call predecessors, (5153), 1304 states have return successors, (5209), 5035 states have call predecessors, (5209), 5150 states have call successors, (5209) [2025-03-08 20:21:54,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22912 states to 22912 states and 31180 transitions. [2025-03-08 20:21:54,599 INFO L78 Accepts]: Start accepts. Automaton has 22912 states and 31180 transitions. Word has length 122 [2025-03-08 20:21:54,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:21:54,600 INFO L471 AbstractCegarLoop]: Abstraction has 22912 states and 31180 transitions. [2025-03-08 20:21:54,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-03-08 20:21:54,601 INFO L276 IsEmpty]: Start isEmpty. Operand 22912 states and 31180 transitions. [2025-03-08 20:21:54,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2025-03-08 20:21:54,604 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:21:54,605 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 7, 7, 7, 7, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 20:21:54,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 20:21:54,605 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-08 20:21:54,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:21:54,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1480394180, now seen corresponding path program 1 times [2025-03-08 20:21:54,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:21:54,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911904247] [2025-03-08 20:21:54,606 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:21:54,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:21:56,731 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-03-08 20:21:56,777 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-03-08 20:21:56,777 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:21:56,777 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:21:56,976 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2025-03-08 20:21:56,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:21:56,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911904247] [2025-03-08 20:21:56,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911904247] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:21:56,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:21:56,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:21:56,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736869835] [2025-03-08 20:21:56,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:21:56,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:21:56,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:21:56,977 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:21:56,978 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:21:56,978 INFO L87 Difference]: Start difference. First operand 22912 states and 31180 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2025-03-08 20:22:01,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 20:22:03,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:22:03,754 INFO L93 Difference]: Finished difference Result 67837 states and 92409 transitions. [2025-03-08 20:22:03,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:22:03,754 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 158 [2025-03-08 20:22:03,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:22:03,953 INFO L225 Difference]: With dead ends: 67837 [2025-03-08 20:22:03,953 INFO L226 Difference]: Without dead ends: 44990 [2025-03-08 20:22:04,035 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:22:04,037 INFO L435 NwaCegarLoop]: 3704 mSDtfsCounter, 3018 mSDsluCounter, 2947 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3018 SdHoareTripleChecker+Valid, 6651 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2025-03-08 20:22:04,037 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3018 Valid, 6651 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 276 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2025-03-08 20:22:04,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44990 states. [2025-03-08 20:22:05,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44990 to 44966. [2025-03-08 20:22:05,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44966 states, 32346 states have (on average 1.2673282631546405) internal successors, (40993), 33016 states have internal predecessors, (40993), 10074 states have call successors, (10074), 2564 states have call predecessors, (10074), 2543 states have return successors, (10189), 9879 states have call predecessors, (10189), 10071 states have call successors, (10189) [2025-03-08 20:22:05,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44966 states to 44966 states and 61256 transitions. [2025-03-08 20:22:05,417 INFO L78 Accepts]: Start accepts. Automaton has 44966 states and 61256 transitions. Word has length 158 [2025-03-08 20:22:05,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:22:05,418 INFO L471 AbstractCegarLoop]: Abstraction has 44966 states and 61256 transitions. [2025-03-08 20:22:05,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2025-03-08 20:22:05,418 INFO L276 IsEmpty]: Start isEmpty. Operand 44966 states and 61256 transitions. [2025-03-08 20:22:05,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2025-03-08 20:22:05,420 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:22:05,421 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 7, 7, 7, 7, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 20:22:05,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-08 20:22:05,421 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-08 20:22:05,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:22:05,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1691745093, now seen corresponding path program 1 times [2025-03-08 20:22:05,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:22:05,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266243274] [2025-03-08 20:22:05,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:22:05,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:22:07,510 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-03-08 20:22:07,554 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-03-08 20:22:07,554 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:22:07,555 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:22:08,213 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2025-03-08 20:22:08,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:22:08,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266243274] [2025-03-08 20:22:08,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266243274] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:22:08,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:22:08,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 20:22:08,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284150112] [2025-03-08 20:22:08,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:22:08,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 20:22:08,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:22:08,214 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 20:22:08,214 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 20:22:08,214 INFO L87 Difference]: Start difference. First operand 44966 states and 61256 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17)