./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 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/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-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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-?-551b009-m [2025-01-09 19:43:11,967 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 19:43:12,021 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 19:43:12,028 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 19:43:12,028 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 19:43:12,048 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 19:43:12,050 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 19:43:12,050 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 19:43:12,050 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 19:43:12,050 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 19:43:12,051 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 19:43:12,051 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 19:43:12,052 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 19:43:12,052 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 19:43:12,052 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 19:43:12,052 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 19:43:12,052 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 19:43:12,053 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 19:43:12,053 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 19:43:12,053 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 19:43:12,053 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 19:43:12,053 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 19:43:12,053 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 19:43:12,053 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 19:43:12,053 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 19:43:12,053 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 19:43:12,053 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 19:43:12,053 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 19:43:12,053 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 19:43:12,053 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 19:43:12,054 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 19:43:12,054 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 19:43:12,054 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 19:43:12,054 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 19:43:12,054 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 19:43:12,054 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 19:43:12,054 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 19:43:12,054 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 19:43:12,054 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 19:43:12,055 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 19:43:12,055 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 19:43:12,055 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 19:43:12,055 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 19:43:12,055 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 19:43:12,055 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 19:43:12,055 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-jdk21/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 [2025-01-09 19:43:12,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 19:43:12,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 19:43:12,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 19:43:12,301 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 19:43:12,301 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 19:43:12,302 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i [2025-01-09 19:43:14,182 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/809276dd7/20ce74c91a04456f84108d38a93ba912/FLAGac13db110 [2025-01-09 19:43:14,752 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 19:43:14,753 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i [2025-01-09 19:43:14,799 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/809276dd7/20ce74c91a04456f84108d38a93ba912/FLAGac13db110 [2025-01-09 19:43:15,271 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/809276dd7/20ce74c91a04456f84108d38a93ba912 [2025-01-09 19:43:15,273 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 19:43:15,274 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 19:43:15,275 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 19:43:15,275 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 19:43:15,278 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 19:43:15,279 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 07:43:15" (1/1) ... [2025-01-09 19:43:15,279 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eb4a9b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:43:15, skipping insertion in model container [2025-01-09 19:43:15,280 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 07:43:15" (1/1) ... [2025-01-09 19:43:15,352 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 19:43:17,882 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/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] [2025-01-09 19:43:17,885 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/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] [2025-01-09 19:43:17,885 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/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] [2025-01-09 19:43:17,886 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/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] [2025-01-09 19:43:17,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 19:43:17,934 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 19:43:18,050 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] [2025-01-09 19:43:18,052 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] [2025-01-09 19:43:18,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5273] [2025-01-09 19:43:18,054 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] [2025-01-09 19:43:18,054 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] [2025-01-09 19:43:18,054 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] [2025-01-09 19:43:18,055 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] [2025-01-09 19:43:18,057 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5513] [2025-01-09 19:43:18,057 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5520] [2025-01-09 19:43:18,061 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" (19), "i" (12UL)); [5614-5615] [2025-01-09 19:43:18,062 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] [2025-01-09 19:43:18,063 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] [2025-01-09 19:43:18,064 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] [2025-01-09 19:43:18,074 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6297] [2025-01-09 19:43:18,075 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] [2025-01-09 19:43:18,087 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6765] [2025-01-09 19:43:18,091 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6925] [2025-01-09 19:43:18,102 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)dev->rx_info.next_rx_desc) [7447] [2025-01-09 19:43:18,150 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/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] [2025-01-09 19:43:18,151 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/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] [2025-01-09 19:43:18,151 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/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] [2025-01-09 19:43:18,151 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/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] [2025-01-09 19:43:18,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 19:43:18,271 INFO L204 MainTranslator]: Completed translation [2025-01-09 19:43:18,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:43:18 WrapperNode [2025-01-09 19:43:18,272 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 19:43:18,273 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 19:43:18,273 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 19:43:18,273 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 19:43:18,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:43:18" (1/1) ... [2025-01-09 19:43:18,337 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:43:18" (1/1) ... [2025-01-09 19:43:18,503 INFO L138 Inliner]: procedures = 460, calls = 1838, calls flagged for inlining = 218, calls inlined = 200, statements flattened = 5090 [2025-01-09 19:43:18,504 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 19:43:18,504 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 19:43:18,504 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 19:43:18,504 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 19:43:18,511 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:43:18" (1/1) ... [2025-01-09 19:43:18,511 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:43:18" (1/1) ... [2025-01-09 19:43:18,529 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:43:18" (1/1) ... [2025-01-09 19:43:19,319 INFO L175 MemorySlicer]: Split 789 memory accesses to 18 slices as follows [8, 26, 2, 6, 5, 648, 5, 5, 3, 2, 2, 8, 8, 1, 1, 2, 54, 3]. 82 percent of accesses are in the largest equivalence class. The 93 initializations are split as follows [8, 26, 0, 0, 5, 21, 5, 5, 3, 0, 0, 8, 8, 1, 0, 2, 0, 1]. The 308 writes are split as follows [0, 0, 1, 5, 0, 258, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 42, 0]. [2025-01-09 19:43:19,319 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:43:18" (1/1) ... [2025-01-09 19:43:19,319 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:43:18" (1/1) ... [2025-01-09 19:43:19,424 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:43:18" (1/1) ... [2025-01-09 19:43:19,434 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:43:18" (1/1) ... [2025-01-09 19:43:19,458 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:43:18" (1/1) ... [2025-01-09 19:43:19,490 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:43:18" (1/1) ... [2025-01-09 19:43:19,510 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:43:18" (1/1) ... [2025-01-09 19:43:19,541 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 19:43:19,542 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 19:43:19,542 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 19:43:19,542 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 19:43:19,543 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:43:18" (1/1) ... [2025-01-09 19:43:19,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 19:43:19,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 19:43:19,578 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 19:43:19,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 19:43:19,595 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_set_multicast [2025-01-09 19:43:19,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_set_multicast [2025-01-09 19:43:19,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2025-01-09 19:43:19,596 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2025-01-09 19:43:19,596 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_rx_kick [2025-01-09 19:43:19,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_rx_kick [2025-01-09 19:43:19,596 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2025-01-09 19:43:19,596 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2025-01-09 19:43:19,596 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_do_reset [2025-01-09 19:43:19,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_do_reset [2025-01-09 19:43:19,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2025-01-09 19:43:19,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2025-01-09 19:43:19,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-01-09 19:43:19,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-01-09 19:43:19,596 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2025-01-09 19:43:19,596 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2025-01-09 19:43:19,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2025-01-09 19:43:19,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2025-01-09 19:43:19,596 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2025-01-09 19:43:19,596 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2025-01-09 19:43:19,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_62 [2025-01-09 19:43:19,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_62 [2025-01-09 19:43:19,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_73 [2025-01-09 19:43:19,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_73 [2025-01-09 19:43:19,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2025-01-09 19:43:19,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2025-01-09 19:43:19,596 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_remove_one [2025-01-09 19:43:19,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_remove_one [2025-01-09 19:43:19,596 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2025-01-09 19:43:19,596 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2025-01-09 19:43:19,596 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_update_stats [2025-01-09 19:43:19,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_update_stats [2025-01-09 19:43:19,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2025-01-09 19:43:19,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2025-01-09 19:43:19,596 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2025-01-09 19:43:19,596 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2025-01-09 19:43:19,596 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2025-01-09 19:43:19,596 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2025-01-09 19:43:19,596 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2025-01-09 19:43:19,597 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2025-01-09 19:43:19,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2025-01-09 19:43:19,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2025-01-09 19:43:19,597 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2025-01-09 19:43:19,597 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2025-01-09 19:43:19,597 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2025-01-09 19:43:19,597 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2025-01-09 19:43:19,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 19:43:19,597 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2025-01-09 19:43:19,597 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2025-01-09 19:43:19,597 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2025-01-09 19:43:19,597 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2025-01-09 19:43:19,597 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2025-01-09 19:43:19,597 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2025-01-09 19:43:19,597 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_tx_timeout [2025-01-09 19:43:19,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_tx_timeout [2025-01-09 19:43:19,597 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2025-01-09 19:43:19,597 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2025-01-09 19:43:19,597 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2025-01-09 19:43:19,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2025-01-09 19:43:19,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 19:43:19,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 19:43:19,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 19:43:19,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 19:43:19,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 19:43:19,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 19:43:19,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 19:43:19,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-01-09 19:43:19,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-01-09 19:43:19,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-01-09 19:43:19,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-01-09 19:43:19,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-01-09 19:43:19,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-01-09 19:43:19,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-01-09 19:43:19,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-01-09 19:43:19,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-01-09 19:43:19,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-01-09 19:43:19,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-01-09 19:43:19,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2025-01-09 19:43:19,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2025-01-09 19:43:19,599 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2025-01-09 19:43:19,599 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2025-01-09 19:43:19,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 19:43:19,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 19:43:19,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 19:43:19,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 19:43:19,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 19:43:19,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 19:43:19,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 19:43:19,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 19:43:19,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-01-09 19:43:19,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-01-09 19:43:19,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-01-09 19:43:19,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-01-09 19:43:19,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-01-09 19:43:19,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-01-09 19:43:19,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-01-09 19:43:19,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-01-09 19:43:19,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-01-09 19:43:19,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-01-09 19:43:19,600 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2025-01-09 19:43:19,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2025-01-09 19:43:19,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2025-01-09 19:43:19,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2025-01-09 19:43:19,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2025-01-09 19:43:19,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2025-01-09 19:43:19,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2025-01-09 19:43:19,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2025-01-09 19:43:19,600 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2025-01-09 19:43:19,600 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2025-01-09 19:43:19,600 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2025-01-09 19:43:19,601 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2025-01-09 19:43:19,601 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2025-01-09 19:43:19,601 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2025-01-09 19:43:19,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2025-01-09 19:43:19,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2025-01-09 19:43:19,601 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_run_bist [2025-01-09 19:43:19,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_run_bist [2025-01-09 19:43:19,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 19:43:19,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2025-01-09 19:43:19,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2025-01-09 19:43:19,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2025-01-09 19:43:19,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2025-01-09 19:43:19,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2025-01-09 19:43:19,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2025-01-09 19:43:19,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 19:43:19,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2025-01-09 19:43:19,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2025-01-09 19:43:19,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 19:43:19,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 19:43:19,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 19:43:19,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 19:43:19,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 19:43:19,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 19:43:19,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 19:43:19,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-01-09 19:43:19,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-01-09 19:43:19,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-01-09 19:43:19,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-01-09 19:43:19,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-01-09 19:43:19,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-01-09 19:43:19,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-01-09 19:43:19,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-01-09 19:43:19,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-01-09 19:43:19,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2025-01-09 19:43:19,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2025-01-09 19:43:19,602 INFO L130 BoogieDeclarations]: Found specification of procedure clear_rx_desc [2025-01-09 19:43:19,602 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_rx_desc [2025-01-09 19:43:19,602 INFO L130 BoogieDeclarations]: Found specification of procedure phy_intr [2025-01-09 19:43:19,602 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_intr [2025-01-09 19:43:19,602 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-01-09 19:43:19,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-01-09 19:43:19,602 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2025-01-09 19:43:19,602 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2025-01-09 19:43:19,603 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2025-01-09 19:43:19,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2025-01-09 19:43:19,603 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2025-01-09 19:43:19,603 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2025-01-09 19:43:19,603 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2025-01-09 19:43:19,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2025-01-09 19:43:19,603 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2025-01-09 19:43:19,603 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2025-01-09 19:43:19,603 INFO L130 BoogieDeclarations]: Found specification of procedure do_tx_done [2025-01-09 19:43:19,603 INFO L138 BoogieDeclarations]: Found implementation of procedure do_tx_done [2025-01-09 19:43:19,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_misc_lock_of_ns83820 [2025-01-09 19:43:19,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_misc_lock_of_ns83820 [2025-01-09 19:43:19,603 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2025-01-09 19:43:19,603 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2025-01-09 19:43:19,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2025-01-09 19:43:19,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2025-01-09 19:43:19,604 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2025-01-09 19:43:19,604 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2025-01-09 19:43:19,604 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2025-01-09 19:43:19,604 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2025-01-09 19:43:19,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 19:43:19,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 19:43:19,604 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_stop [2025-01-09 19:43:19,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_stop [2025-01-09 19:43:19,604 INFO L130 BoogieDeclarations]: Found specification of procedure kick_tx [2025-01-09 19:43:19,604 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_tx [2025-01-09 19:43:19,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_rx_info [2025-01-09 19:43:19,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_rx_info [2025-01-09 19:43:19,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 19:43:19,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 19:43:19,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 19:43:19,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 19:43:19,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 19:43:19,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 19:43:19,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 19:43:19,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-01-09 19:43:19,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-01-09 19:43:19,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-01-09 19:43:19,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-01-09 19:43:19,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-01-09 19:43:19,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-01-09 19:43:19,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-01-09 19:43:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-01-09 19:43:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2025-01-09 19:43:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2025-01-09 19:43:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2025-01-09 19:43:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-01-09 19:43:19,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-01-09 19:43:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2025-01-09 19:43:19,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2025-01-09 19:43:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2025-01-09 19:43:19,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2025-01-09 19:43:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2025-01-09 19:43:19,605 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2025-01-09 19:43:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2025-01-09 19:43:19,605 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2025-01-09 19:43:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2025-01-09 19:43:19,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2025-01-09 19:43:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2025-01-09 19:43:19,605 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2025-01-09 19:43:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2025-01-09 19:43:19,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2025-01-09 19:43:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2025-01-09 19:43:19,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2025-01-09 19:43:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-01-09 19:43:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-01-09 19:43:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-01-09 19:43:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-01-09 19:43:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-01-09 19:43:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-01-09 19:43:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-01-09 19:43:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-01-09 19:43:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2025-01-09 19:43:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2025-01-09 19:43:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2025-01-09 19:43:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2025-01-09 19:43:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2025-01-09 19:43:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2025-01-09 19:43:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2025-01-09 19:43:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2025-01-09 19:43:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2025-01-09 19:43:19,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2025-01-09 19:43:19,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-01-09 19:43:19,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-01-09 19:43:19,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-01-09 19:43:19,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-01-09 19:43:19,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-01-09 19:43:19,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-01-09 19:43:19,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-01-09 19:43:19,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-01-09 19:43:19,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2025-01-09 19:43:19,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2025-01-09 19:43:19,606 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2025-01-09 19:43:19,606 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2025-01-09 19:43:19,607 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2025-01-09 19:43:19,607 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2025-01-09 19:43:19,607 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2025-01-09 19:43:19,607 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2025-01-09 19:43:19,607 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2025-01-09 19:43:19,607 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2025-01-09 19:43:19,607 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2025-01-09 19:43:19,607 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2025-01-09 19:43:19,607 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2025-01-09 19:43:19,607 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2025-01-09 19:43:19,607 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2025-01-09 19:43:19,607 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2025-01-09 19:43:19,607 INFO L130 BoogieDeclarations]: Found specification of procedure PRIV [2025-01-09 19:43:19,607 INFO L138 BoogieDeclarations]: Found implementation of procedure PRIV [2025-01-09 19:43:19,607 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2025-01-09 19:43:19,607 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2025-01-09 19:43:19,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 19:43:19,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_72 [2025-01-09 19:43:19,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_72 [2025-01-09 19:43:19,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 19:43:19,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 19:43:19,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 19:43:19,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 19:43:19,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 19:43:19,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 19:43:19,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 19:43:19,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-01-09 19:43:19,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-01-09 19:43:19,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-01-09 19:43:19,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-01-09 19:43:19,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-01-09 19:43:19,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-01-09 19:43:19,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-01-09 19:43:19,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-01-09 19:43:19,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-01-09 19:43:19,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2025-01-09 19:43:19,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2025-01-09 19:43:19,608 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-01-09 19:43:19,608 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-01-09 19:43:19,608 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2025-01-09 19:43:19,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2025-01-09 19:43:19,608 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2025-01-09 19:43:19,608 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2025-01-09 19:43:19,608 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2025-01-09 19:43:19,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2025-01-09 19:43:19,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2025-01-09 19:43:19,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2025-01-09 19:43:19,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2025-01-09 19:43:19,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2025-01-09 19:43:19,608 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2025-01-09 19:43:19,608 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2025-01-09 19:43:19,608 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2025-01-09 19:43:19,608 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2025-01-09 19:43:19,608 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2025-01-09 19:43:19,608 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2025-01-09 19:43:19,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_lock_of_ns83820 [2025-01-09 19:43:19,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_lock_of_ns83820 [2025-01-09 19:43:19,608 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2025-01-09 19:43:19,608 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2025-01-09 19:43:19,608 INFO L130 BoogieDeclarations]: Found specification of procedure build_rx_desc [2025-01-09 19:43:19,608 INFO L138 BoogieDeclarations]: Found implementation of procedure build_rx_desc [2025-01-09 19:43:19,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 19:43:19,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 19:43:19,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 19:43:19,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 19:43:19,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 19:43:19,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 19:43:19,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 19:43:19,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 19:43:19,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-01-09 19:43:19,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-01-09 19:43:19,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-01-09 19:43:19,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-01-09 19:43:19,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-01-09 19:43:19,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-01-09 19:43:19,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-01-09 19:43:19,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-01-09 19:43:19,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-01-09 19:43:19,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-01-09 19:43:19,609 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2025-01-09 19:43:19,609 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2025-01-09 19:43:19,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-01-09 19:43:19,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-01-09 19:43:19,609 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2025-01-09 19:43:19,609 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2025-01-09 19:43:19,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_misc_lock_of_ns83820 [2025-01-09 19:43:19,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_misc_lock_of_ns83820 [2025-01-09 19:43:19,609 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2025-01-09 19:43:19,609 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2025-01-09 19:43:19,609 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_open [2025-01-09 19:43:19,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_open [2025-01-09 19:43:19,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2025-01-09 19:43:19,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2025-01-09 19:43:19,609 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2025-01-09 19:43:19,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2025-01-09 19:43:19,610 INFO L130 BoogieDeclarations]: Found specification of procedure rx_irq [2025-01-09 19:43:19,610 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_irq [2025-01-09 19:43:19,610 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_disable_interrupts [2025-01-09 19:43:19,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_disable_interrupts [2025-01-09 19:43:19,610 INFO L130 BoogieDeclarations]: Found specification of procedure kick_rx [2025-01-09 19:43:19,610 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_rx [2025-01-09 19:43:19,611 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2025-01-09 19:43:19,611 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2025-01-09 19:43:19,611 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2025-01-09 19:43:19,611 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2025-01-09 19:43:19,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 19:43:19,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 19:43:19,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 19:43:19,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 19:43:19,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 19:43:19,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 19:43:19,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 19:43:19,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 19:43:19,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-01-09 19:43:19,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-01-09 19:43:19,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-01-09 19:43:19,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-01-09 19:43:19,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-01-09 19:43:19,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-01-09 19:43:19,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-01-09 19:43:19,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-01-09 19:43:19,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-01-09 19:43:19,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-01-09 19:43:19,612 INFO L130 BoogieDeclarations]: Found specification of procedure rx_refill [2025-01-09 19:43:19,612 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_refill [2025-01-09 19:43:19,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2025-01-09 19:43:19,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2025-01-09 19:43:19,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_rx_info [2025-01-09 19:43:19,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_rx_info [2025-01-09 19:43:19,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_ns83820 [2025-01-09 19:43:19,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_ns83820 [2025-01-09 19:43:20,259 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 19:43:20,262 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 19:43:20,415 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-01-09 19:43:31,693 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-01-09 19:43:32,760 INFO L? ?]: Removed 2331 outVars from TransFormulas that were not future-live. [2025-01-09 19:43:32,760 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 19:43:32,797 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 19:43:32,798 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 19:43:32,798 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 07:43:32 BoogieIcfgContainer [2025-01-09 19:43:32,798 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 19:43:32,799 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 19:43:32,800 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 19:43:32,803 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 19:43:32,803 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 07:43:15" (1/3) ... [2025-01-09 19:43:32,804 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a6fc9fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 07:43:32, skipping insertion in model container [2025-01-09 19:43:32,804 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:43:18" (2/3) ... [2025-01-09 19:43:32,804 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a6fc9fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 07:43:32, skipping insertion in model container [2025-01-09 19:43:32,804 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 07:43:32" (3/3) ... [2025-01-09 19:43:32,805 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i [2025-01-09 19:43:32,816 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 19:43:32,820 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, 2317 locations, 1 initial locations, 18 loop locations, and 3 error locations. [2025-01-09 19:43:32,910 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 19:43:32,920 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;@702b1aec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 19:43:32,921 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-01-09 19:43:32,930 INFO L276 IsEmpty]: Start isEmpty. Operand has 2247 states, 1605 states have (on average 1.3090342679127727) internal successors, (2101), 1637 states have internal predecessors, (2101), 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) [2025-01-09 19:43:32,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-01-09 19:43:32,939 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:43:32,939 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] [2025-01-09 19:43:32,940 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)] === [2025-01-09 19:43:32,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:43:32,943 INFO L85 PathProgramCache]: Analyzing trace with hash -703447828, now seen corresponding path program 1 times [2025-01-09 19:43:32,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:43:32,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688141320] [2025-01-09 19:43:32,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:43:32,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:43:35,389 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-01-09 19:43:35,678 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-01-09 19:43:35,679 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:43:35,679 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:43:36,196 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2025-01-09 19:43:36,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:43:36,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688141320] [2025-01-09 19:43:36,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688141320] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:43:36,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:43:36,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 19:43:36,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785635262] [2025-01-09 19:43:36,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:43:36,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 19:43:36,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:43:36,215 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 19:43:36,216 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:43:36,223 INFO L87 Difference]: Start difference. First operand has 2247 states, 1605 states have (on average 1.3090342679127727) internal successors, (2101), 1637 states have internal predecessors, (2101), 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) [2025-01-09 19:43:40,269 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 [] [2025-01-09 19:43:40,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:43:40,619 INFO L93 Difference]: Finished difference Result 6625 states and 9525 transitions. [2025-01-09 19:43:40,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 19:43:40,621 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 [2025-01-09 19:43:40,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:43:40,651 INFO L225 Difference]: With dead ends: 6625 [2025-01-09 19:43:40,652 INFO L226 Difference]: Without dead ends: 4387 [2025-01-09 19:43:40,665 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 [2025-01-09 19:43:40,666 INFO L435 NwaCegarLoop]: 3142 mSDtfsCounter, 3012 mSDsluCounter, 3062 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3012 SdHoareTripleChecker+Valid, 6204 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2025-01-09 19:43:40,667 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3012 Valid, 6204 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2025-01-09 19:43:40,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4387 states. [2025-01-09 19:43:40,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4387 to 4383. [2025-01-09 19:43:40,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4383 states, 3150 states have (on average 1.276190476190476) internal successors, (4020), 3212 states have internal predecessors, (4020), 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) [2025-01-09 19:43:40,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4383 states to 4383 states and 6063 transitions. [2025-01-09 19:43:40,947 INFO L78 Accepts]: Start accepts. Automaton has 4383 states and 6063 transitions. Word has length 101 [2025-01-09 19:43:40,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:43:40,950 INFO L471 AbstractCegarLoop]: Abstraction has 4383 states and 6063 transitions. [2025-01-09 19:43:40,950 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) [2025-01-09 19:43:40,950 INFO L276 IsEmpty]: Start isEmpty. Operand 4383 states and 6063 transitions. [2025-01-09 19:43:40,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2025-01-09 19:43:40,957 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:43:40,957 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] [2025-01-09 19:43:40,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 19:43:40,958 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)] === [2025-01-09 19:43:40,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:43:40,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1948196049, now seen corresponding path program 1 times [2025-01-09 19:43:40,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:43:40,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473175217] [2025-01-09 19:43:40,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:43:40,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:43:43,218 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-01-09 19:43:43,277 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-01-09 19:43:43,277 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:43:43,277 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:43:43,539 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2025-01-09 19:43:43,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:43:43,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473175217] [2025-01-09 19:43:43,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473175217] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:43:43,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:43:43,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 19:43:43,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744832510] [2025-01-09 19:43:43,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:43:43,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 19:43:43,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:43:43,544 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 19:43:43,544 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:43:43,544 INFO L87 Difference]: Start difference. First operand 4383 states and 6063 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) [2025-01-09 19:43:47,570 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 [] [2025-01-09 19:43:48,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:43:48,376 INFO L93 Difference]: Finished difference Result 12353 states and 17061 transitions. [2025-01-09 19:43:48,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 19:43:48,377 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 [2025-01-09 19:43:48,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:43:48,424 INFO L225 Difference]: With dead ends: 12353 [2025-01-09 19:43:48,425 INFO L226 Difference]: Without dead ends: 7989 [2025-01-09 19:43:48,446 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 [2025-01-09 19:43:48,447 INFO L435 NwaCegarLoop]: 3105 mSDtfsCounter, 2536 mSDsluCounter, 3011 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2536 SdHoareTripleChecker+Valid, 6116 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2025-01-09 19:43:48,447 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2536 Valid, 6116 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 59 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2025-01-09 19:43:48,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7989 states. [2025-01-09 19:43:48,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7989 to 7952. [2025-01-09 19:43:48,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7952 states, 5691 states have (on average 1.27394131084168) internal successors, (7250), 5807 states have internal predecessors, (7250), 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) [2025-01-09 19:43:48,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7952 states to 7952 states and 10967 transitions. [2025-01-09 19:43:48,754 INFO L78 Accepts]: Start accepts. Automaton has 7952 states and 10967 transitions. Word has length 114 [2025-01-09 19:43:48,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:43:48,755 INFO L471 AbstractCegarLoop]: Abstraction has 7952 states and 10967 transitions. [2025-01-09 19:43:48,755 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) [2025-01-09 19:43:48,755 INFO L276 IsEmpty]: Start isEmpty. Operand 7952 states and 10967 transitions. [2025-01-09 19:43:48,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2025-01-09 19:43:48,759 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:43:48,759 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] [2025-01-09 19:43:48,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 19:43:48,759 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)] === [2025-01-09 19:43:48,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:43:48,763 INFO L85 PathProgramCache]: Analyzing trace with hash -115310096, now seen corresponding path program 1 times [2025-01-09 19:43:48,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:43:48,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288816670] [2025-01-09 19:43:48,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:43:48,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:43:50,738 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-01-09 19:43:50,800 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-01-09 19:43:50,802 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:43:50,802 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:43:51,114 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2025-01-09 19:43:51,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:43:51,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288816670] [2025-01-09 19:43:51,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288816670] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:43:51,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:43:51,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 19:43:51,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84664136] [2025-01-09 19:43:51,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:43:51,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 19:43:51,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:43:51,117 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 19:43:51,117 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:43:51,117 INFO L87 Difference]: Start difference. First operand 7952 states and 10967 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) [2025-01-09 19:43:55,154 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 [] [2025-01-09 19:43:55,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:43:55,975 INFO L93 Difference]: Finished difference Result 15579 states and 21484 transitions. [2025-01-09 19:43:55,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 19:43:55,975 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 [2025-01-09 19:43:55,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:43:56,016 INFO L225 Difference]: With dead ends: 15579 [2025-01-09 19:43:56,017 INFO L226 Difference]: Without dead ends: 7646 [2025-01-09 19:43:56,045 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 [2025-01-09 19:43:56,046 INFO L435 NwaCegarLoop]: 3822 mSDtfsCounter, 2243 mSDsluCounter, 3025 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2243 SdHoareTripleChecker+Valid, 6847 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2025-01-09 19:43:56,046 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2243 Valid, 6847 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 74 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2025-01-09 19:43:56,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7646 states. [2025-01-09 19:43:56,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7646 to 7618. [2025-01-09 19:43:56,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7618 states, 5448 states have (on average 1.2766152716593244) internal successors, (6955), 5569 states have internal predecessors, (6955), 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) [2025-01-09 19:43:56,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7618 states to 7618 states and 10457 transitions. [2025-01-09 19:43:56,276 INFO L78 Accepts]: Start accepts. Automaton has 7618 states and 10457 transitions. Word has length 115 [2025-01-09 19:43:56,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:43:56,277 INFO L471 AbstractCegarLoop]: Abstraction has 7618 states and 10457 transitions. [2025-01-09 19:43:56,277 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) [2025-01-09 19:43:56,277 INFO L276 IsEmpty]: Start isEmpty. Operand 7618 states and 10457 transitions. [2025-01-09 19:43:56,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2025-01-09 19:43:56,278 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:43:56,278 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] [2025-01-09 19:43:56,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 19:43:56,279 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)] === [2025-01-09 19:43:56,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:43:56,279 INFO L85 PathProgramCache]: Analyzing trace with hash -589351707, now seen corresponding path program 1 times [2025-01-09 19:43:56,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:43:56,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050784974] [2025-01-09 19:43:56,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:43:56,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:43:58,403 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-01-09 19:43:58,449 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-01-09 19:43:58,451 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:43:58,451 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:43:58,709 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2025-01-09 19:43:58,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:43:58,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050784974] [2025-01-09 19:43:58,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050784974] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:43:58,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:43:58,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 19:43:58,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15421776] [2025-01-09 19:43:58,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:43:58,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 19:43:58,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:43:58,710 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 19:43:58,710 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:43:58,711 INFO L87 Difference]: Start difference. First operand 7618 states and 10457 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) [2025-01-09 19:44:02,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 19:44:03,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:44:03,140 INFO L93 Difference]: Finished difference Result 20924 states and 28716 transitions. [2025-01-09 19:44:03,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 19:44:03,140 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 [2025-01-09 19:44:03,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:44:03,220 INFO L225 Difference]: With dead ends: 20924 [2025-01-09 19:44:03,220 INFO L226 Difference]: Without dead ends: 13325 [2025-01-09 19:44:03,247 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 [2025-01-09 19:44:03,250 INFO L435 NwaCegarLoop]: 3123 mSDtfsCounter, 2891 mSDsluCounter, 2956 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2891 SdHoareTripleChecker+Valid, 6079 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2025-01-09 19:44:03,250 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2891 Valid, 6079 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 14 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2025-01-09 19:44:03,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13325 states. [2025-01-09 19:44:03,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13325 to 13286. [2025-01-09 19:44:03,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13286 states, 9512 states have (on average 1.2761774600504625) internal successors, (12139), 9732 states have internal predecessors, (12139), 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) [2025-01-09 19:44:03,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13286 states to 13286 states and 18226 transitions. [2025-01-09 19:44:03,778 INFO L78 Accepts]: Start accepts. Automaton has 13286 states and 18226 transitions. Word has length 119 [2025-01-09 19:44:03,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:44:03,778 INFO L471 AbstractCegarLoop]: Abstraction has 13286 states and 18226 transitions. [2025-01-09 19:44:03,778 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) [2025-01-09 19:44:03,778 INFO L276 IsEmpty]: Start isEmpty. Operand 13286 states and 18226 transitions. [2025-01-09 19:44:03,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2025-01-09 19:44:03,779 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:44:03,780 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] [2025-01-09 19:44:03,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 19:44:03,780 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)] === [2025-01-09 19:44:03,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:44:03,780 INFO L85 PathProgramCache]: Analyzing trace with hash 2101060739, now seen corresponding path program 1 times [2025-01-09 19:44:03,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:44:03,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721811533] [2025-01-09 19:44:03,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:44:03,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:44:05,898 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-01-09 19:44:05,939 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-01-09 19:44:05,939 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:44:05,939 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:44:06,176 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2025-01-09 19:44:06,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:44:06,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721811533] [2025-01-09 19:44:06,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721811533] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:44:06,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:44:06,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 19:44:06,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055001907] [2025-01-09 19:44:06,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:44:06,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 19:44:06,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:44:06,178 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 19:44:06,178 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:44:06,182 INFO L87 Difference]: Start difference. First operand 13286 states and 18226 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) [2025-01-09 19:44:10,211 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 [] [2025-01-09 19:44:10,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:44:10,822 INFO L93 Difference]: Finished difference Result 36204 states and 49451 transitions. [2025-01-09 19:44:10,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 19:44:10,823 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 [2025-01-09 19:44:10,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:44:10,910 INFO L225 Difference]: With dead ends: 36204 [2025-01-09 19:44:10,910 INFO L226 Difference]: Without dead ends: 22937 [2025-01-09 19:44:10,949 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 [2025-01-09 19:44:10,950 INFO L435 NwaCegarLoop]: 3869 mSDtfsCounter, 2832 mSDsluCounter, 3047 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2832 SdHoareTripleChecker+Valid, 6916 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2025-01-09 19:44:10,951 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2832 Valid, 6916 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2025-01-09 19:44:10,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22937 states. [2025-01-09 19:44:11,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22937 to 22896. [2025-01-09 19:44:11,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22896 states, 16436 states have (on average 1.26563640788513) internal successors, (20802), 16792 states have internal predecessors, (20802), 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) [2025-01-09 19:44:12,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22896 states to 22896 states and 31164 transitions. [2025-01-09 19:44:12,027 INFO L78 Accepts]: Start accepts. Automaton has 22896 states and 31164 transitions. Word has length 122 [2025-01-09 19:44:12,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:44:12,027 INFO L471 AbstractCegarLoop]: Abstraction has 22896 states and 31164 transitions. [2025-01-09 19:44:12,028 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) [2025-01-09 19:44:12,028 INFO L276 IsEmpty]: Start isEmpty. Operand 22896 states and 31164 transitions. [2025-01-09 19:44:12,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2025-01-09 19:44:12,030 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:44:12,030 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] [2025-01-09 19:44:12,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 19:44:12,030 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)] === [2025-01-09 19:44:12,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:44:12,031 INFO L85 PathProgramCache]: Analyzing trace with hash 969343077, now seen corresponding path program 1 times [2025-01-09 19:44:12,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:44:12,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328241877] [2025-01-09 19:44:12,031 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:44:12,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:44:14,178 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-01-09 19:44:14,251 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-01-09 19:44:14,252 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:44:14,252 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:44:14,629 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2025-01-09 19:44:14,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:44:14,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328241877] [2025-01-09 19:44:14,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328241877] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:44:14,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:44:14,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 19:44:14,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626513855] [2025-01-09 19:44:14,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:44:14,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 19:44:14,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:44:14,631 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 19:44:14,631 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:44:14,631 INFO L87 Difference]: Start difference. First operand 22896 states and 31164 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) [2025-01-09 19:44:18,657 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 [] [2025-01-09 19:44:19,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:44:19,518 INFO L93 Difference]: Finished difference Result 67789 states and 92361 transitions. [2025-01-09 19:44:19,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 19:44:19,518 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 [2025-01-09 19:44:19,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:44:19,725 INFO L225 Difference]: With dead ends: 67789 [2025-01-09 19:44:19,726 INFO L226 Difference]: Without dead ends: 44958 [2025-01-09 19:44:19,895 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 [2025-01-09 19:44:19,896 INFO L435 NwaCegarLoop]: 3201 mSDtfsCounter, 3016 mSDsluCounter, 3065 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3016 SdHoareTripleChecker+Valid, 6266 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2025-01-09 19:44:19,897 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3016 Valid, 6266 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2025-01-09 19:44:19,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44958 states. [2025-01-09 19:44:21,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44958 to 44934. [2025-01-09 19:44:21,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44934 states, 32314 states have (on average 1.2675929937488395) internal successors, (40961), 32984 states have internal predecessors, (40961), 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) [2025-01-09 19:44:21,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44934 states to 44934 states and 61224 transitions. [2025-01-09 19:44:21,736 INFO L78 Accepts]: Start accepts. Automaton has 44934 states and 61224 transitions. Word has length 158 [2025-01-09 19:44:21,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:44:21,737 INFO L471 AbstractCegarLoop]: Abstraction has 44934 states and 61224 transitions. [2025-01-09 19:44:21,737 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) [2025-01-09 19:44:21,737 INFO L276 IsEmpty]: Start isEmpty. Operand 44934 states and 61224 transitions. [2025-01-09 19:44:21,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2025-01-09 19:44:21,739 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:44:21,740 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] [2025-01-09 19:44:21,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-09 19:44:21,740 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)] === [2025-01-09 19:44:21,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:44:21,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1392044903, now seen corresponding path program 1 times [2025-01-09 19:44:21,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:44:21,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785450928] [2025-01-09 19:44:21,741 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:44:21,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:44:24,217 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-01-09 19:44:24,267 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-01-09 19:44:24,267 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:44:24,267 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:44:24,844 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2025-01-09 19:44:24,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:44:24,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785450928] [2025-01-09 19:44:24,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785450928] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:44:24,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:44:24,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 19:44:24,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575099516] [2025-01-09 19:44:24,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:44:24,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 19:44:24,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:44:24,845 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 19:44:24,845 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 19:44:24,845 INFO L87 Difference]: Start difference. First operand 44934 states and 61224 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) [2025-01-09 19:44:25,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:44:25,922 INFO L93 Difference]: Finished difference Result 44940 states and 61229 transitions. [2025-01-09 19:44:25,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 19:44:25,923 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 158 [2025-01-09 19:44:25,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:44:26,123 INFO L225 Difference]: With dead ends: 44940 [2025-01-09 19:44:26,123 INFO L226 Difference]: Without dead ends: 44938 [2025-01-09 19:44:26,152 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-01-09 19:44:26,153 INFO L435 NwaCegarLoop]: 3088 mSDtfsCounter, 3046 mSDsluCounter, 6161 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3047 SdHoareTripleChecker+Valid, 9249 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 19:44:26,153 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3047 Valid, 9249 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 19:44:26,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44938 states. [2025-01-09 19:44:27,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44938 to 44938. [2025-01-09 19:44:27,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44938 states, 32317 states have (on average 1.2675681529844973) internal successors, (40964), 32987 states have internal predecessors, (40964), 10074 states have call successors, (10074), 2565 states have call predecessors, (10074), 2544 states have return successors, (10189), 9879 states have call predecessors, (10189), 10071 states have call successors, (10189) [2025-01-09 19:44:27,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44938 states to 44938 states and 61227 transitions. [2025-01-09 19:44:27,566 INFO L78 Accepts]: Start accepts. Automaton has 44938 states and 61227 transitions. Word has length 158 [2025-01-09 19:44:27,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:44:27,566 INFO L471 AbstractCegarLoop]: Abstraction has 44938 states and 61227 transitions. [2025-01-09 19:44:27,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2025-01-09 19:44:27,567 INFO L276 IsEmpty]: Start isEmpty. Operand 44938 states and 61227 transitions. [2025-01-09 19:44:27,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2025-01-09 19:44:27,568 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:44:27,568 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 7, 7, 7, 7, 7, 7, 4, 4, 4, 2, 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, 1, 1, 1] [2025-01-09 19:44:27,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-09 19:44:27,568 INFO L396 AbstractCegarLoop]: === Iteration 8 === 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)] === [2025-01-09 19:44:27,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:44:27,569 INFO L85 PathProgramCache]: Analyzing trace with hash -2107312769, now seen corresponding path program 1 times [2025-01-09 19:44:27,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:44:27,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681116518] [2025-01-09 19:44:27,569 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:44:27,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:44:30,120 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 163 statements into 1 equivalence classes. [2025-01-09 19:44:30,163 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 163 of 163 statements. [2025-01-09 19:44:30,163 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:44:30,163 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:44:30,728 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2025-01-09 19:44:30,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:44:30,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681116518] [2025-01-09 19:44:30,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681116518] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:44:30,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:44:30,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 19:44:30,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983565692] [2025-01-09 19:44:30,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:44:30,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 19:44:30,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:44:30,730 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 19:44:30,730 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 19:44:30,731 INFO L87 Difference]: Start difference. First operand 44938 states and 61227 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-01-09 19:44:31,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:44:31,844 INFO L93 Difference]: Finished difference Result 44944 states and 61232 transitions. [2025-01-09 19:44:31,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 19:44:31,845 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 163 [2025-01-09 19:44:31,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:44:32,021 INFO L225 Difference]: With dead ends: 44944 [2025-01-09 19:44:32,021 INFO L226 Difference]: Without dead ends: 44942 [2025-01-09 19:44:32,046 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-01-09 19:44:32,048 INFO L435 NwaCegarLoop]: 3091 mSDtfsCounter, 3042 mSDsluCounter, 6162 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3043 SdHoareTripleChecker+Valid, 9253 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 19:44:32,048 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3043 Valid, 9253 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 19:44:32,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44942 states. [2025-01-09 19:44:33,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44942 to 44942. [2025-01-09 19:44:33,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44942 states, 32320 states have (on average 1.2675433168316832) internal successors, (40967), 32990 states have internal predecessors, (40967), 10074 states have call successors, (10074), 2566 states have call predecessors, (10074), 2545 states have return successors, (10189), 9879 states have call predecessors, (10189), 10071 states have call successors, (10189)