./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 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a8ab8b9c7011aec39f84a1ecf826f202398208cb106ea4649e1adfd1ea4d4076 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 05:08:57,080 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 05:08:57,152 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 05:08:57,159 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 05:08:57,160 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 05:08:57,175 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 05:08:57,177 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 05:08:57,177 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 05:08:57,177 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 05:08:57,178 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 05:08:57,178 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 05:08:57,178 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 05:08:57,179 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 05:08:57,179 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 05:08:57,179 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 05:08:57,180 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 05:08:57,180 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 05:08:57,180 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 05:08:57,180 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 05:08:57,180 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 05:08:57,180 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 05:08:57,180 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 05:08:57,180 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 05:08:57,180 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 05:08:57,180 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 05:08:57,181 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 05:08:57,181 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 05:08:57,181 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 05:08:57,181 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 05:08:57,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 05:08:57,181 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 05:08:57,181 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 05:08:57,182 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 05:08:57,182 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 05:08:57,182 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 05:08:57,182 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 05:08:57,182 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 05:08:57,182 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 05:08:57,182 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 05:08:57,182 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 05:08:57,183 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a8ab8b9c7011aec39f84a1ecf826f202398208cb106ea4649e1adfd1ea4d4076 [2025-03-04 05:08:57,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 05:08:57,429 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 05:08:57,431 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 05:08:57,432 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 05:08:57,432 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 05:08:57,433 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i [2025-03-04 05:08:58,611 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f081463c/4f46a105aa184e51a52fd82fe442ec48/FLAG58e8eaa93 [2025-03-04 05:08:59,216 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 05:08:59,217 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i [2025-03-04 05:08:59,268 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f081463c/4f46a105aa184e51a52fd82fe442ec48/FLAG58e8eaa93 [2025-03-04 05:08:59,283 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f081463c/4f46a105aa184e51a52fd82fe442ec48 [2025-03-04 05:08:59,285 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 05:08:59,286 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 05:08:59,289 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 05:08:59,289 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 05:08:59,293 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 05:08:59,294 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 05:08:59" (1/1) ... [2025-03-04 05:08:59,295 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e519300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:08:59, skipping insertion in model container [2025-03-04 05:08:59,295 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 05:08:59" (1/1) ... [2025-03-04 05:08:59,389 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 05:09:02,061 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i[322443,322456] [2025-03-04 05:09:02,063 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i[322612,322625] [2025-03-04 05:09:02,064 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i[322779,322792] [2025-03-04 05:09:02,064 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i[322947,322960] [2025-03-04 05:09:02,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 05:09:02,144 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 05:09:02,218 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5259] [2025-03-04 05:09:02,220 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5266] [2025-03-04 05:09:02,221 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5273] [2025-03-04 05:09:02,225 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/f860c18/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5316-5317] [2025-03-04 05:09:02,226 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5322-5324] [2025-03-04 05:09:02,226 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [5344] [2025-03-04 05:09:02,227 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0": "+m" (v->counter)); [5351] [2025-03-04 05:09:02,229 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5513] [2025-03-04 05:09:02,229 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5520] [2025-03-04 05:09:02,233 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [5614-5615] [2025-03-04 05:09:02,234 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [5648-5649] [2025-03-04 05:09:02,235 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (79), "i" (12UL)); [5690-5691] [2025-03-04 05:09:02,237 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (91), "i" (12UL)); [5719-5720] [2025-03-04 05:09:02,247 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6297] [2025-03-04 05:09:02,249 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/natsemi/ns83820.c"), "i" (538), "i" (12UL)); [6331-6332] [2025-03-04 05:09:02,264 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6765] [2025-03-04 05:09:02,268 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6925] [2025-03-04 05:09:02,283 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)dev->rx_info.next_rx_desc) [7447] [2025-03-04 05:09:02,365 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i[322443,322456] [2025-03-04 05:09:02,365 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i[322612,322625] [2025-03-04 05:09:02,366 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i[322779,322792] [2025-03-04 05:09:02,366 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i[322947,322960] [2025-03-04 05:09:02,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 05:09:02,495 INFO L204 MainTranslator]: Completed translation [2025-03-04 05:09:02,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:09:02 WrapperNode [2025-03-04 05:09:02,496 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 05:09:02,497 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 05:09:02,497 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 05:09:02,497 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 05:09:02,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:09:02" (1/1) ... [2025-03-04 05:09:02,567 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:09:02" (1/1) ... [2025-03-04 05:09:02,752 INFO L138 Inliner]: procedures = 460, calls = 1838, calls flagged for inlining = 218, calls inlined = 200, statements flattened = 5090 [2025-03-04 05:09:02,753 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 05:09:02,753 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 05:09:02,753 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 05:09:02,753 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 05:09:02,761 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:09:02" (1/1) ... [2025-03-04 05:09:02,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:09:02" (1/1) ... [2025-03-04 05:09:02,787 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:09:02" (1/1) ... [2025-03-04 05:09:03,433 INFO L175 MemorySlicer]: Split 789 memory accesses to 18 slices as follows [8, 26, 648, 5, 5, 5, 3, 8, 2, 2, 8, 6, 1, 2, 2, 54, 3, 1]. 82 percent of accesses are in the largest equivalence class. The 93 initializations are split as follows [8, 26, 21, 5, 5, 5, 3, 8, 0, 0, 8, 0, 1, 2, 0, 0, 1, 0]. The 308 writes are split as follows [0, 0, 258, 0, 0, 0, 0, 0, 1, 1, 0, 5, 0, 0, 1, 42, 0, 0]. [2025-03-04 05:09:03,435 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:09:02" (1/1) ... [2025-03-04 05:09:03,436 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:09:02" (1/1) ... [2025-03-04 05:09:03,557 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:09:02" (1/1) ... [2025-03-04 05:09:03,570 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:09:02" (1/1) ... [2025-03-04 05:09:03,594 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:09:02" (1/1) ... [2025-03-04 05:09:03,613 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:09:02" (1/1) ... [2025-03-04 05:09:03,662 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 05:09:03,664 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 05:09:03,664 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 05:09:03,665 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 05:09:03,666 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:09:02" (1/1) ... [2025-03-04 05:09:03,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 05:09:03,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 05:09:03,733 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 05:09:03,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 05:09:03,768 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_set_multicast [2025-03-04 05:09:03,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_set_multicast [2025-03-04 05:09:03,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2025-03-04 05:09:03,768 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2025-03-04 05:09:03,768 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_rx_kick [2025-03-04 05:09:03,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_rx_kick [2025-03-04 05:09:03,768 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2025-03-04 05:09:03,768 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2025-03-04 05:09:03,768 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_do_reset [2025-03-04 05:09:03,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_do_reset [2025-03-04 05:09:03,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2025-03-04 05:09:03,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2025-03-04 05:09:03,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-03-04 05:09:03,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-03-04 05:09:03,768 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2025-03-04 05:09:03,769 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2025-03-04 05:09:03,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2025-03-04 05:09:03,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2025-03-04 05:09:03,769 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2025-03-04 05:09:03,769 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2025-03-04 05:09:03,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_62 [2025-03-04 05:09:03,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_62 [2025-03-04 05:09:03,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_73 [2025-03-04 05:09:03,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_73 [2025-03-04 05:09:03,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2025-03-04 05:09:03,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2025-03-04 05:09:03,769 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_remove_one [2025-03-04 05:09:03,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_remove_one [2025-03-04 05:09:03,769 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2025-03-04 05:09:03,769 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2025-03-04 05:09:03,769 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_update_stats [2025-03-04 05:09:03,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_update_stats [2025-03-04 05:09:03,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2025-03-04 05:09:03,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2025-03-04 05:09:03,769 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2025-03-04 05:09:03,769 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2025-03-04 05:09:03,769 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2025-03-04 05:09:03,769 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2025-03-04 05:09:03,769 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2025-03-04 05:09:03,769 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2025-03-04 05:09:03,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2025-03-04 05:09:03,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2025-03-04 05:09:03,769 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2025-03-04 05:09:03,769 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2025-03-04 05:09:03,769 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2025-03-04 05:09:03,769 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2025-03-04 05:09:03,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 05:09:03,771 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2025-03-04 05:09:03,771 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2025-03-04 05:09:03,771 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2025-03-04 05:09:03,772 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2025-03-04 05:09:03,772 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2025-03-04 05:09:03,772 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2025-03-04 05:09:03,773 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_tx_timeout [2025-03-04 05:09:03,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_tx_timeout [2025-03-04 05:09:03,773 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2025-03-04 05:09:03,773 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2025-03-04 05:09:03,773 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2025-03-04 05:09:03,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2025-03-04 05:09:03,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 05:09:03,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 05:09:03,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 05:09:03,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 05:09:03,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 05:09:03,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 05:09:03,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-04 05:09:03,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-04 05:09:03,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-04 05:09:03,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-04 05:09:03,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-04 05:09:03,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-04 05:09:03,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-04 05:09:03,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-03-04 05:09:03,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-03-04 05:09:03,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-03-04 05:09:03,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-03-04 05:09:03,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-03-04 05:09:03,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2025-03-04 05:09:03,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2025-03-04 05:09:03,773 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2025-03-04 05:09:03,773 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2025-03-04 05:09:03,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 05:09:03,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 05:09:03,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 05:09:03,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 05:09:03,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 05:09:03,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 05:09:03,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-04 05:09:03,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-04 05:09:03,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-04 05:09:03,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-04 05:09:03,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-04 05:09:03,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-04 05:09:03,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-04 05:09:03,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-04 05:09:03,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-03-04 05:09:03,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-03-04 05:09:03,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-03-04 05:09:03,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-03-04 05:09:03,774 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2025-03-04 05:09:03,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2025-03-04 05:09:03,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2025-03-04 05:09:03,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2025-03-04 05:09:03,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2025-03-04 05:09:03,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2025-03-04 05:09:03,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2025-03-04 05:09:03,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2025-03-04 05:09:03,774 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2025-03-04 05:09:03,774 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2025-03-04 05:09:03,774 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2025-03-04 05:09:03,774 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2025-03-04 05:09:03,774 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2025-03-04 05:09:03,774 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2025-03-04 05:09:03,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2025-03-04 05:09:03,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2025-03-04 05:09:03,774 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_run_bist [2025-03-04 05:09:03,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_run_bist [2025-03-04 05:09:03,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 05:09:03,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2025-03-04 05:09:03,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2025-03-04 05:09:03,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2025-03-04 05:09:03,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2025-03-04 05:09:03,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2025-03-04 05:09:03,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2025-03-04 05:09:03,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 05:09:03,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2025-03-04 05:09:03,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2025-03-04 05:09:03,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 05:09:03,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 05:09:03,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 05:09:03,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 05:09:03,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 05:09:03,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 05:09:03,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-04 05:09:03,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-04 05:09:03,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-04 05:09:03,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-04 05:09:03,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-04 05:09:03,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-04 05:09:03,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-03-04 05:09:03,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-03-04 05:09:03,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-03-04 05:09:03,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-03-04 05:09:03,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2025-03-04 05:09:03,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2025-03-04 05:09:03,778 INFO L130 BoogieDeclarations]: Found specification of procedure clear_rx_desc [2025-03-04 05:09:03,778 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_rx_desc [2025-03-04 05:09:03,778 INFO L130 BoogieDeclarations]: Found specification of procedure phy_intr [2025-03-04 05:09:03,778 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_intr [2025-03-04 05:09:03,778 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-03-04 05:09:03,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-03-04 05:09:03,778 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2025-03-04 05:09:03,778 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2025-03-04 05:09:03,778 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2025-03-04 05:09:03,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2025-03-04 05:09:03,778 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2025-03-04 05:09:03,778 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2025-03-04 05:09:03,778 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2025-03-04 05:09:03,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2025-03-04 05:09:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2025-03-04 05:09:03,779 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2025-03-04 05:09:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure do_tx_done [2025-03-04 05:09:03,779 INFO L138 BoogieDeclarations]: Found implementation of procedure do_tx_done [2025-03-04 05:09:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_misc_lock_of_ns83820 [2025-03-04 05:09:03,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_misc_lock_of_ns83820 [2025-03-04 05:09:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2025-03-04 05:09:03,779 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2025-03-04 05:09:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2025-03-04 05:09:03,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2025-03-04 05:09:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2025-03-04 05:09:03,779 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2025-03-04 05:09:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2025-03-04 05:09:03,779 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2025-03-04 05:09:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 05:09:03,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 05:09:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_stop [2025-03-04 05:09:03,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_stop [2025-03-04 05:09:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure kick_tx [2025-03-04 05:09:03,779 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_tx [2025-03-04 05:09:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_rx_info [2025-03-04 05:09:03,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_rx_info [2025-03-04 05:09:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 05:09:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 05:09:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 05:09:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 05:09:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 05:09:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 05:09:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-04 05:09:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-04 05:09:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-04 05:09:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-04 05:09:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-04 05:09:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-04 05:09:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-03-04 05:09:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-03-04 05:09:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-03-04 05:09:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2025-03-04 05:09:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2025-03-04 05:09:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2025-03-04 05:09:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-03-04 05:09:03,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-03-04 05:09:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2025-03-04 05:09:03,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2025-03-04 05:09:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2025-03-04 05:09:03,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2025-03-04 05:09:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2025-03-04 05:09:03,783 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2025-03-04 05:09:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2025-03-04 05:09:03,783 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2025-03-04 05:09:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2025-03-04 05:09:03,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2025-03-04 05:09:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2025-03-04 05:09:03,783 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2025-03-04 05:09:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2025-03-04 05:09:03,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2025-03-04 05:09:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2025-03-04 05:09:03,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2025-03-04 05:09:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-04 05:09:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-04 05:09:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-04 05:09:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-04 05:09:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-04 05:09:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-04 05:09:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-03-04 05:09:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-03-04 05:09:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2025-03-04 05:09:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2025-03-04 05:09:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2025-03-04 05:09:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2025-03-04 05:09:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2025-03-04 05:09:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2025-03-04 05:09:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2025-03-04 05:09:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2025-03-04 05:09:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2025-03-04 05:09:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2025-03-04 05:09:03,783 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-04 05:09:03,783 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-04 05:09:03,783 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-04 05:09:03,783 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-04 05:09:03,783 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-04 05:09:03,783 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-04 05:09:03,784 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-03-04 05:09:03,784 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-03-04 05:09:03,784 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2025-03-04 05:09:03,784 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2025-03-04 05:09:03,784 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2025-03-04 05:09:03,784 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2025-03-04 05:09:03,784 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2025-03-04 05:09:03,784 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2025-03-04 05:09:03,784 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2025-03-04 05:09:03,784 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2025-03-04 05:09:03,784 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2025-03-04 05:09:03,784 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2025-03-04 05:09:03,784 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2025-03-04 05:09:03,784 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2025-03-04 05:09:03,784 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2025-03-04 05:09:03,784 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2025-03-04 05:09:03,784 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2025-03-04 05:09:03,784 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2025-03-04 05:09:03,784 INFO L130 BoogieDeclarations]: Found specification of procedure PRIV [2025-03-04 05:09:03,784 INFO L138 BoogieDeclarations]: Found implementation of procedure PRIV [2025-03-04 05:09:03,784 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2025-03-04 05:09:03,784 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2025-03-04 05:09:03,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 05:09:03,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_72 [2025-03-04 05:09:03,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_72 [2025-03-04 05:09:03,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 05:09:03,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 05:09:03,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 05:09:03,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 05:09:03,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 05:09:03,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 05:09:03,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-04 05:09:03,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-04 05:09:03,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-04 05:09:03,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-04 05:09:03,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-04 05:09:03,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-04 05:09:03,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-03-04 05:09:03,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-03-04 05:09:03,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-03-04 05:09:03,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-03-04 05:09:03,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2025-03-04 05:09:03,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2025-03-04 05:09:03,787 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-03-04 05:09:03,787 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-03-04 05:09:03,787 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2025-03-04 05:09:03,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2025-03-04 05:09:03,787 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2025-03-04 05:09:03,787 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2025-03-04 05:09:03,787 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2025-03-04 05:09:03,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2025-03-04 05:09:03,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2025-03-04 05:09:03,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2025-03-04 05:09:03,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2025-03-04 05:09:03,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2025-03-04 05:09:03,787 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2025-03-04 05:09:03,787 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2025-03-04 05:09:03,787 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2025-03-04 05:09:03,787 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2025-03-04 05:09:03,787 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2025-03-04 05:09:03,787 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2025-03-04 05:09:03,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_lock_of_ns83820 [2025-03-04 05:09:03,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_lock_of_ns83820 [2025-03-04 05:09:03,788 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2025-03-04 05:09:03,788 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2025-03-04 05:09:03,788 INFO L130 BoogieDeclarations]: Found specification of procedure build_rx_desc [2025-03-04 05:09:03,788 INFO L138 BoogieDeclarations]: Found implementation of procedure build_rx_desc [2025-03-04 05:09:03,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 05:09:03,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 05:09:03,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 05:09:03,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 05:09:03,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 05:09:03,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 05:09:03,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-04 05:09:03,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-04 05:09:03,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-04 05:09:03,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-04 05:09:03,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-04 05:09:03,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-04 05:09:03,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-04 05:09:03,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-04 05:09:03,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-03-04 05:09:03,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-03-04 05:09:03,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-03-04 05:09:03,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-03-04 05:09:03,788 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2025-03-04 05:09:03,788 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2025-03-04 05:09:03,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-03-04 05:09:03,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-03-04 05:09:03,788 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2025-03-04 05:09:03,788 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2025-03-04 05:09:03,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_misc_lock_of_ns83820 [2025-03-04 05:09:03,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_misc_lock_of_ns83820 [2025-03-04 05:09:03,788 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2025-03-04 05:09:03,788 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2025-03-04 05:09:03,788 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_open [2025-03-04 05:09:03,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_open [2025-03-04 05:09:03,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2025-03-04 05:09:03,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2025-03-04 05:09:03,788 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2025-03-04 05:09:03,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2025-03-04 05:09:03,788 INFO L130 BoogieDeclarations]: Found specification of procedure rx_irq [2025-03-04 05:09:03,788 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_irq [2025-03-04 05:09:03,788 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_disable_interrupts [2025-03-04 05:09:03,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_disable_interrupts [2025-03-04 05:09:03,788 INFO L130 BoogieDeclarations]: Found specification of procedure kick_rx [2025-03-04 05:09:03,788 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_rx [2025-03-04 05:09:03,788 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2025-03-04 05:09:03,788 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2025-03-04 05:09:03,791 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2025-03-04 05:09:03,792 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2025-03-04 05:09:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 05:09:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 05:09:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 05:09:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 05:09:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 05:09:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 05:09:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-04 05:09:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-04 05:09:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-04 05:09:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-04 05:09:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-04 05:09:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-04 05:09:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-04 05:09:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-04 05:09:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-03-04 05:09:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-03-04 05:09:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-03-04 05:09:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-03-04 05:09:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure rx_refill [2025-03-04 05:09:03,792 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_refill [2025-03-04 05:09:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2025-03-04 05:09:03,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2025-03-04 05:09:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_rx_info [2025-03-04 05:09:03,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_rx_info [2025-03-04 05:09:03,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_ns83820 [2025-03-04 05:09:03,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_ns83820 [2025-03-04 05:09:04,501 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 05:09:04,505 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 05:09:04,679 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-03-04 05:09:04,750 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12274: havoc queue_work_on_#t~nondet1103#1; [2025-03-04 05:09:04,769 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12253: havoc netpoll_trap_#t~nondet1100#1; [2025-03-04 05:09:04,827 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5879: havoc skb_network_header_#t~mem175#1.base, skb_network_header_#t~mem175#1.offset;havoc skb_network_header_#t~mem176#1; [2025-03-04 05:09:04,931 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L10106: havoc ldv_dev_get_drvdata_#t~mem974#1.base, ldv_dev_get_drvdata_#t~mem974#1.offset;havoc ldv_dev_get_drvdata_#t~mem975#1.base, ldv_dev_get_drvdata_#t~mem975#1.offset; [2025-03-04 05:09:04,992 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5568: havoc is_device_dma_capable_#t~mem59#1.base, is_device_dma_capable_#t~mem59#1.offset;havoc is_device_dma_capable_#t~mem60#1.base, is_device_dma_capable_#t~mem60#1.offset;havoc is_device_dma_capable_#t~mem61#1;havoc is_device_dma_capable_#t~short62#1; [2025-03-04 05:09:05,039 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12304: havoc #t~nondet1110; [2025-03-04 05:09:05,043 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5864: havoc #t~mem169.base, #t~mem169.offset;havoc #t~mem170; [2025-03-04 05:09:05,045 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12196: havoc #t~nondet1096; [2025-03-04 05:09:05,066 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12270: havoc #t~nondet1102; [2025-03-04 05:09:05,090 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5287: havoc #t~bitwise3; [2025-03-04 05:09:05,098 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5921: havoc #t~mem185.base, #t~mem185.offset; [2025-03-04 05:09:05,173 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5590: havoc #t~mem86.base, #t~mem86.offset; [2025-03-04 05:09:05,180 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12134: havoc #t~nondet1087; [2025-03-04 05:09:05,184 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12124: havoc #t~nondet1086; [2025-03-04 05:09:05,234 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12184: havoc dma_set_mask_#t~nondet1093#1; [2025-03-04 05:09:05,271 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5332: havoc arch_irqs_disabled_flags_#t~bitwise16#1; [2025-03-04 05:09:05,434 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12295: havoc schedule_timeout_uninterruptible_#t~nondet1106#1; [2025-03-04 05:09:05,445 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5275: #res := 1; [2025-03-04 05:09:05,480 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8884: #res#1 := ~arg0#1; [2025-03-04 05:09:05,697 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6477: call ULTIMATE.dealloc(~#speeds~0.base, ~#speeds~0.offset);havoc ~#speeds~0.base, ~#speeds~0.offset; [2025-03-04 05:09:05,819 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9972-1: ldv_mod_timer_98_#res#1 := ldv_mod_timer_98_~ldv_func_res~2#1; [2025-03-04 05:09:05,819 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7654: call ULTIMATE.dealloc(~#__key~0#1.base, ~#__key~0#1.offset);havoc ~#__key~0#1.base, ~#__key~0#1.offset; [2025-03-04 05:09:05,821 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12242: havoc #t~nondet1098; [2025-03-04 05:09:05,925 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12249: havoc netif_rx_#t~nondet1099#1; [2025-03-04 05:09:05,926 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12192: havoc eth_type_trans_#t~nondet1095#1; [2025-03-04 05:09:06,013 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5281: havoc constant_test_bit_#t~mem1#1;havoc constant_test_bit_#t~bitwise2#1; [2025-03-04 05:09:06,036 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5857: havoc #t~mem167; [2025-03-04 05:09:13,817 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9417-1: ldv_request_irq_#res#1 := ldv_request_irq_~arg0#1; [2025-03-04 05:09:13,817 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12260: havoc pci_enable_device_#t~nondet1101#1; [2025-03-04 05:09:13,817 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8364-1: ldv_alloc_etherdev_mqs_#res#1.base, ldv_alloc_etherdev_mqs_#res#1.offset := ldv_alloc_etherdev_mqs_~arg0#1.base, ldv_alloc_etherdev_mqs_~arg0#1.offset; [2025-03-04 05:09:13,817 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8367-1: ldv_alloc_etherdev_mqs_#res#1.base, ldv_alloc_etherdev_mqs_#res#1.offset := ldv_alloc_etherdev_mqs_~arg0#1.base, ldv_alloc_etherdev_mqs_~arg0#1.offset; [2025-03-04 05:09:13,817 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint main_returnLabel#1: #t~ret1112#1 := main_#res#1;havoc main_#t~ret892#1, main_~tmp~62#1;assume { :end_inline_main } true; [2025-03-04 05:09:13,817 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8369-1: ldv_alloc_etherdev_mqs_#res#1.base, ldv_alloc_etherdev_mqs_#res#1.offset := ldv_alloc_etherdev_mqs_~arg0#1.base, ldv_alloc_etherdev_mqs_~arg0#1.offset; [2025-03-04 05:09:13,817 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L10021-1: ldv_register_netdevice_103_#res#1 := ldv_register_netdevice_103_~ldv_func_res~5#1; [2025-03-04 05:09:13,817 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L10088-1: ldv___pci_register_driver_109_#res#1 := ldv___pci_register_driver_109_~ldv_func_res~6#1; [2025-03-04 05:09:13,817 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9957-1: ldv_mod_timer_97_#res#1 := ldv_mod_timer_97_~ldv_func_res~1#1; [2025-03-04 05:09:13,817 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5531: havoc dev_name_#t~mem51#1.base, dev_name_#t~mem51#1.offset; [2025-03-04 05:09:13,817 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12208: havoc ioremap_nocache_#t~ret1097#1.base, ioremap_nocache_#t~ret1097#1.offset; [2025-03-04 05:09:13,817 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5338: havoc atomic_read_#t~mem17#1; [2025-03-04 05:09:13,817 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9104: call ULTIMATE.dealloc(ldv_pci_instance_suspend_2_8_~#arg2#1.base, ldv_pci_instance_suspend_2_8_~#arg2#1.offset);havoc ldv_pci_instance_suspend_2_8_~#arg2#1.base, ldv_pci_instance_suspend_2_8_~#arg2#1.offset; [2025-03-04 05:09:13,817 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12278: havoc register_netdevice_#t~nondet1104#1; [2025-03-04 05:09:13,817 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7852: call ULTIMATE.dealloc(ns83820_init_one_~#__key~1#1.base, ns83820_init_one_~#__key~1#1.offset);havoc ns83820_init_one_~#__key~1#1.base, ns83820_init_one_~#__key~1#1.offset;call ULTIMATE.dealloc(ns83820_init_one_~#__key___0~0#1.base, ns83820_init_one_~#__key___0~0#1.offset);havoc ns83820_init_one_~#__key___0~0#1.base, ns83820_init_one_~#__key___0~0#1.offset;call ULTIMATE.dealloc(ns83820_init_one_~#__key___1~0#1.base, ns83820_init_one_~#__key___1~0#1.offset);havoc ns83820_init_one_~#__key___1~0#1.base, ns83820_init_one_~#__key___1~0#1.offset;call ULTIMATE.dealloc(ns83820_init_one_~#__key___2~0#1.base, ns83820_init_one_~#__key___2~0#1.offset);havoc ns83820_init_one_~#__key___2~0#1.base, ns83820_init_one_~#__key___2~0#1.offset;call ULTIMATE.dealloc(ns83820_init_one_~#__constr_expr_0~0#1.base, ns83820_init_one_~#__constr_expr_0~0#1.offset);havoc ns83820_init_one_~#__constr_expr_0~0#1.base, ns83820_init_one_~#__constr_expr_0~0#1.offset; [2025-03-04 05:09:13,818 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12282: havoc request_threaded_irq_#t~nondet1105#1; [2025-03-04 05:09:13,818 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12152: havoc alloc_etherdev_mqs_#t~ret1088#1.base, alloc_etherdev_mqs_#t~ret1088#1.offset; [2025-03-04 05:09:13,818 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9115: call ULTIMATE.dealloc(ldv_pci_instance_suspend_late_2_7_~#arg2#1.base, ldv_pci_instance_suspend_late_2_7_~#arg2#1.offset);havoc ldv_pci_instance_suspend_late_2_7_~#arg2#1.base, ldv_pci_instance_suspend_late_2_7_~#arg2#1.offset; [2025-03-04 05:09:13,818 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9384-1: ldv_register_netdevice_#res#1 := ldv_register_netdevice_~arg0#1; [2025-03-04 05:09:13,818 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5886: havoc skb_frag_page_#t~mem180#1.base, skb_frag_page_#t~mem180#1.offset; [2025-03-04 05:09:13,818 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9988-1: ldv_alloc_etherdev_mqs_101_#res#1.base, ldv_alloc_etherdev_mqs_101_#res#1.offset := ldv_alloc_etherdev_mqs_101_~ldv_func_res~3#1.base, ldv_alloc_etherdev_mqs_101_~ldv_func_res~3#1.offset; [2025-03-04 05:09:13,818 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12172: havoc dev_alloc_name_#t~nondet1090#1; [2025-03-04 05:09:13,818 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12176: havoc dev_trans_start_#t~nondet1091#1; [2025-03-04 05:09:13,818 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8345-1: ldv___pci_register_driver_#res#1 := ldv___pci_register_driver_~arg0#1; [2025-03-04 05:09:13,818 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5506: havoc kobject_name_#t~mem46#1.base, kobject_name_#t~mem46#1.offset; [2025-03-04 05:09:13,818 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12180: havoc dev_warn_#t~nondet1092#1; [2025-03-04 05:09:13,818 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-03-04 05:09:13,818 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L10006-1: ldv_request_irq_102_#res#1 := ldv_request_irq_102_~ldv_func_res~4#1; [2025-03-04 05:09:13,818 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12120: havoc __pci_register_driver_#t~nondet1085#1; [2025-03-04 05:09:13,818 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12188: havoc eth_mac_addr_#t~nondet1094#1; [2025-03-04 05:09:14,335 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12168: havoc del_timer_sync_#t~nondet1089#1; [2025-03-04 05:09:14,335 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8399-1: ldv_del_timer_sync_#res#1 := ldv_del_timer_sync_~arg0#1; [2025-03-04 05:09:14,335 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9932-1: ldv_del_timer_sync_92_#res#1 := ldv_del_timer_sync_92_~ldv_func_res~0#1; [2025-03-04 05:09:15,116 INFO L? ?]: Removed 2331 outVars from TransFormulas that were not future-live. [2025-03-04 05:09:15,117 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 05:09:15,204 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 05:09:15,208 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2025-03-04 05:09:15,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 05:09:15 BoogieIcfgContainer [2025-03-04 05:09:15,208 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 05:09:15,210 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 05:09:15,212 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 05:09:15,215 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 05:09:15,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 05:08:59" (1/3) ... [2025-03-04 05:09:15,216 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e5a1f1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 05:09:15, skipping insertion in model container [2025-03-04 05:09:15,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:09:02" (2/3) ... [2025-03-04 05:09:15,216 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e5a1f1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 05:09:15, skipping insertion in model container [2025-03-04 05:09:15,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 05:09:15" (3/3) ... [2025-03-04 05:09:15,219 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i [2025-03-04 05:09:15,231 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 05:09:15,234 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i that has 124 procedures, 2319 locations, 1 initial locations, 18 loop locations, and 3 error locations. [2025-03-04 05:09:15,336 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 05:09:15,347 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;@3ff4bdab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 05:09:15,348 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-03-04 05:09:15,359 INFO L276 IsEmpty]: Start isEmpty. Operand has 2249 states, 1607 states have (on average 1.3086496577473554) internal successors, (2103), 1639 states have internal predecessors, (2103), 534 states have call successors, (534), 106 states have call predecessors, (534), 105 states have return successors, (529), 525 states have call predecessors, (529), 529 states have call successors, (529) [2025-03-04 05:09:15,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-03-04 05:09:15,370 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:09:15,371 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 05:09:15,371 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-04 05:09:15,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:09:15,376 INFO L85 PathProgramCache]: Analyzing trace with hash 179279749, now seen corresponding path program 1 times [2025-03-04 05:09:15,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:09:15,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666215751] [2025-03-04 05:09:15,382 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:09:15,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 05:09:17,793 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-04 05:09:18,008 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-04 05:09:18,009 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 05:09:18,010 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 05:09:18,561 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2025-03-04 05:09:18,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 05:09:18,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666215751] [2025-03-04 05:09:18,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666215751] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 05:09:18,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 05:09:18,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 05:09:18,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926897632] [2025-03-04 05:09:18,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 05:09:18,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 05:09:18,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 05:09:18,583 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 05:09:18,584 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:09:18,591 INFO L87 Difference]: Start difference. First operand has 2249 states, 1607 states have (on average 1.3086496577473554) internal successors, (2103), 1639 states have internal predecessors, (2103), 534 states have call successors, (534), 106 states have call predecessors, (534), 105 states have return successors, (529), 525 states have call predecessors, (529), 529 states have call successors, (529) Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-03-04 05:09:22,640 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 [] [2025-03-04 05:09:24,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 05:09:24,829 INFO L93 Difference]: Finished difference Result 6631 states and 9531 transitions. [2025-03-04 05:09:24,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 05:09:24,831 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 101 [2025-03-04 05:09:24,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 05:09:24,871 INFO L225 Difference]: With dead ends: 6631 [2025-03-04 05:09:24,871 INFO L226 Difference]: Without dead ends: 4391 [2025-03-04 05:09:24,889 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:09:24,891 INFO L435 NwaCegarLoop]: 3024 mSDtfsCounter, 3014 mSDsluCounter, 2944 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3014 SdHoareTripleChecker+Valid, 5968 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2025-03-04 05:09:24,892 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3014 Valid, 5968 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 250 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2025-03-04 05:09:24,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4391 states. [2025-03-04 05:09:25,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4391 to 4387. [2025-03-04 05:09:25,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4387 states, 3154 states have (on average 1.275840202916931) internal successors, (4024), 3216 states have internal predecessors, (4024), 1023 states have call successors, (1023), 208 states have call predecessors, (1023), 207 states have return successors, (1020), 1012 states have call predecessors, (1020), 1020 states have call successors, (1020) [2025-03-04 05:09:25,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4387 states to 4387 states and 6067 transitions. [2025-03-04 05:09:25,233 INFO L78 Accepts]: Start accepts. Automaton has 4387 states and 6067 transitions. Word has length 101 [2025-03-04 05:09:25,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 05:09:25,235 INFO L471 AbstractCegarLoop]: Abstraction has 4387 states and 6067 transitions. [2025-03-04 05:09:25,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-03-04 05:09:25,236 INFO L276 IsEmpty]: Start isEmpty. Operand 4387 states and 6067 transitions. [2025-03-04 05:09:25,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2025-03-04 05:09:25,242 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:09:25,242 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 05:09:25,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 05:09:25,243 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-04 05:09:25,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:09:25,243 INFO L85 PathProgramCache]: Analyzing trace with hash -823526929, now seen corresponding path program 1 times [2025-03-04 05:09:25,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:09:25,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863247298] [2025-03-04 05:09:25,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:09:25,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 05:09:27,629 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-03-04 05:09:27,693 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-03-04 05:09:27,693 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 05:09:27,693 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 05:09:27,971 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2025-03-04 05:09:27,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 05:09:27,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863247298] [2025-03-04 05:09:27,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863247298] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 05:09:27,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 05:09:27,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 05:09:27,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122144090] [2025-03-04 05:09:27,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 05:09:27,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 05:09:27,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 05:09:27,976 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 05:09:27,976 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:09:27,977 INFO L87 Difference]: Start difference. First operand 4387 states and 6067 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-03-04 05:09:32,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 05:09:34,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 05:09:34,635 INFO L93 Difference]: Finished difference Result 12363 states and 17071 transitions. [2025-03-04 05:09:34,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 05:09:34,635 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 114 [2025-03-04 05:09:34,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 05:09:34,681 INFO L225 Difference]: With dead ends: 12363 [2025-03-04 05:09:34,681 INFO L226 Difference]: Without dead ends: 7995 [2025-03-04 05:09:34,701 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:09:34,702 INFO L435 NwaCegarLoop]: 2987 mSDtfsCounter, 2537 mSDsluCounter, 2893 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2537 SdHoareTripleChecker+Valid, 5880 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2025-03-04 05:09:34,702 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2537 Valid, 5880 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 299 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2025-03-04 05:09:34,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7995 states. [2025-03-04 05:09:34,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7995 to 7958. [2025-03-04 05:09:34,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7958 states, 5697 states have (on average 1.2736527997191505) internal successors, (7256), 5813 states have internal predecessors, (7256), 1857 states have call successors, (1857), 402 states have call predecessors, (1857), 401 states have return successors, (1860), 1836 states have call predecessors, (1860), 1854 states have call successors, (1860) [2025-03-04 05:09:34,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7958 states to 7958 states and 10973 transitions. [2025-03-04 05:09:34,995 INFO L78 Accepts]: Start accepts. Automaton has 7958 states and 10973 transitions. Word has length 114 [2025-03-04 05:09:34,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 05:09:34,997 INFO L471 AbstractCegarLoop]: Abstraction has 7958 states and 10973 transitions. [2025-03-04 05:09:34,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-03-04 05:09:34,997 INFO L276 IsEmpty]: Start isEmpty. Operand 7958 states and 10973 transitions. [2025-03-04 05:09:35,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2025-03-04 05:09:35,002 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:09:35,002 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 05:09:35,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 05:09:35,002 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-04 05:09:35,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:09:35,006 INFO L85 PathProgramCache]: Analyzing trace with hash -869688234, now seen corresponding path program 1 times [2025-03-04 05:09:35,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:09:35,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259985214] [2025-03-04 05:09:35,006 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:09:35,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 05:09:37,204 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-03-04 05:09:37,260 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-03-04 05:09:37,261 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 05:09:37,261 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 05:09:37,648 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2025-03-04 05:09:37,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 05:09:37,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259985214] [2025-03-04 05:09:37,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259985214] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 05:09:37,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 05:09:37,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 05:09:37,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257920421] [2025-03-04 05:09:37,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 05:09:37,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 05:09:37,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 05:09:37,649 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 05:09:37,649 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:09:37,649 INFO L87 Difference]: Start difference. First operand 7958 states and 10973 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-03-04 05:09:41,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 05:09:44,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 05:09:44,645 INFO L93 Difference]: Finished difference Result 15589 states and 21494 transitions. [2025-03-04 05:09:44,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 05:09:44,645 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 115 [2025-03-04 05:09:44,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 05:09:44,688 INFO L225 Difference]: With dead ends: 15589 [2025-03-04 05:09:44,689 INFO L226 Difference]: Without dead ends: 7650 [2025-03-04 05:09:44,716 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:09:44,718 INFO L435 NwaCegarLoop]: 3686 mSDtfsCounter, 2244 mSDsluCounter, 2907 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2244 SdHoareTripleChecker+Valid, 6593 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2025-03-04 05:09:44,718 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2244 Valid, 6593 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 333 Invalid, 1 Unknown, 0 Unchecked, 6.8s Time] [2025-03-04 05:09:44,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7650 states. [2025-03-04 05:09:44,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7650 to 7622. [2025-03-04 05:09:44,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7622 states, 5452 states have (on average 1.2764123257520177) internal successors, (6959), 5573 states have internal predecessors, (6959), 1751 states have call successors, (1751), 417 states have call predecessors, (1751), 416 states have return successors, (1751), 1730 states have call predecessors, (1751), 1748 states have call successors, (1751) [2025-03-04 05:09:44,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7622 states to 7622 states and 10461 transitions. [2025-03-04 05:09:44,961 INFO L78 Accepts]: Start accepts. Automaton has 7622 states and 10461 transitions. Word has length 115 [2025-03-04 05:09:44,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 05:09:44,963 INFO L471 AbstractCegarLoop]: Abstraction has 7622 states and 10461 transitions. [2025-03-04 05:09:44,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-03-04 05:09:44,963 INFO L276 IsEmpty]: Start isEmpty. Operand 7622 states and 10461 transitions. [2025-03-04 05:09:44,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2025-03-04 05:09:44,965 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:09:44,966 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 05:09:44,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 05:09:44,966 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-04 05:09:44,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:09:44,966 INFO L85 PathProgramCache]: Analyzing trace with hash -188404013, now seen corresponding path program 1 times [2025-03-04 05:09:44,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:09:44,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220213019] [2025-03-04 05:09:44,967 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:09:44,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 05:09:46,927 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-03-04 05:09:46,972 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-03-04 05:09:46,973 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 05:09:46,973 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 05:09:47,252 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2025-03-04 05:09:47,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 05:09:47,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220213019] [2025-03-04 05:09:47,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220213019] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 05:09:47,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 05:09:47,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 05:09:47,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506600140] [2025-03-04 05:09:47,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 05:09:47,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 05:09:47,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 05:09:47,253 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 05:09:47,253 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:09:47,254 INFO L87 Difference]: Start difference. First operand 7622 states and 10461 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-04 05:09:51,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 05:09:53,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 05:09:53,786 INFO L93 Difference]: Finished difference Result 20936 states and 28728 transitions. [2025-03-04 05:09:53,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 05:09:53,786 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 119 [2025-03-04 05:09:53,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 05:09:53,847 INFO L225 Difference]: With dead ends: 20936 [2025-03-04 05:09:53,848 INFO L226 Difference]: Without dead ends: 13333 [2025-03-04 05:09:53,868 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:09:53,869 INFO L435 NwaCegarLoop]: 3004 mSDtfsCounter, 2893 mSDsluCounter, 2840 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2893 SdHoareTripleChecker+Valid, 5844 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2025-03-04 05:09:53,869 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2893 Valid, 5844 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 253 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2025-03-04 05:09:53,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13333 states. [2025-03-04 05:09:54,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13333 to 13294. [2025-03-04 05:09:54,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13294 states, 9520 states have (on average 1.2759453781512604) internal successors, (12147), 9740 states have internal predecessors, (12147), 3031 states have call successors, (3031), 744 states have call predecessors, (3031), 740 states have return successors, (3056), 2978 states have call predecessors, (3056), 3028 states have call successors, (3056) [2025-03-04 05:09:54,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13294 states to 13294 states and 18234 transitions. [2025-03-04 05:09:54,277 INFO L78 Accepts]: Start accepts. Automaton has 13294 states and 18234 transitions. Word has length 119 [2025-03-04 05:09:54,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 05:09:54,278 INFO L471 AbstractCegarLoop]: Abstraction has 13294 states and 18234 transitions. [2025-03-04 05:09:54,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-04 05:09:54,279 INFO L276 IsEmpty]: Start isEmpty. Operand 13294 states and 18234 transitions. [2025-03-04 05:09:54,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2025-03-04 05:09:54,281 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:09:54,281 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 05:09:54,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-04 05:09:54,282 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-04 05:09:54,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:09:54,282 INFO L85 PathProgramCache]: Analyzing trace with hash -988555073, now seen corresponding path program 1 times [2025-03-04 05:09:54,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:09:54,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240552063] [2025-03-04 05:09:54,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:09:54,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 05:09:56,469 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-03-04 05:09:56,515 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-03-04 05:09:56,515 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 05:09:56,515 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 05:09:56,783 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2025-03-04 05:09:56,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 05:09:56,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240552063] [2025-03-04 05:09:56,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240552063] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 05:09:56,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 05:09:56,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 05:09:56,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233021015] [2025-03-04 05:09:56,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 05:09:56,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 05:09:56,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 05:09:56,786 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 05:09:56,786 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:09:56,786 INFO L87 Difference]: Start difference. First operand 13294 states and 18234 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-03-04 05:10:00,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 05:10:03,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 05:10:03,498 INFO L93 Difference]: Finished difference Result 36228 states and 49475 transitions. [2025-03-04 05:10:03,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 05:10:03,498 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 122 [2025-03-04 05:10:03,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 05:10:03,602 INFO L225 Difference]: With dead ends: 36228 [2025-03-04 05:10:03,602 INFO L226 Difference]: Without dead ends: 22953 [2025-03-04 05:10:03,653 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:10:03,655 INFO L435 NwaCegarLoop]: 3672 mSDtfsCounter, 2834 mSDsluCounter, 2929 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2834 SdHoareTripleChecker+Valid, 6601 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2025-03-04 05:10:03,655 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2834 Valid, 6601 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 294 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2025-03-04 05:10:03,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22953 states. [2025-03-04 05:10:04,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22953 to 22912. [2025-03-04 05:10:04,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22912 states, 16452 states have (on average 1.2653780695356187) internal successors, (20818), 16808 states have internal predecessors, (20818), 5153 states have call successors, (5153), 1315 states have call predecessors, (5153), 1304 states have return successors, (5209), 5035 states have call predecessors, (5209), 5150 states have call successors, (5209) [2025-03-04 05:10:04,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22912 states to 22912 states and 31180 transitions. [2025-03-04 05:10:04,481 INFO L78 Accepts]: Start accepts. Automaton has 22912 states and 31180 transitions. Word has length 122 [2025-03-04 05:10:04,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 05:10:04,482 INFO L471 AbstractCegarLoop]: Abstraction has 22912 states and 31180 transitions. [2025-03-04 05:10:04,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-03-04 05:10:04,482 INFO L276 IsEmpty]: Start isEmpty. Operand 22912 states and 31180 transitions. [2025-03-04 05:10:04,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2025-03-04 05:10:04,483 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:10:04,483 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 7, 7, 7, 7, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 05:10:04,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-04 05:10:04,484 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-04 05:10:04,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:10:04,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1480394180, now seen corresponding path program 1 times [2025-03-04 05:10:04,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:10:04,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256015030] [2025-03-04 05:10:04,485 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:10:04,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 05:10:06,629 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-03-04 05:10:06,690 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-03-04 05:10:06,690 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 05:10:06,690 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 05:10:06,891 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2025-03-04 05:10:06,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 05:10:06,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256015030] [2025-03-04 05:10:06,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256015030] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 05:10:06,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 05:10:06,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 05:10:06,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88883555] [2025-03-04 05:10:06,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 05:10:06,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 05:10:06,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 05:10:06,894 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 05:10:06,894 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:10:06,894 INFO L87 Difference]: Start difference. First operand 22912 states and 31180 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2025-03-04 05:10:10,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 05:10:13,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 05:10:13,846 INFO L93 Difference]: Finished difference Result 67837 states and 92409 transitions. [2025-03-04 05:10:13,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 05:10:13,847 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 158 [2025-03-04 05:10:13,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 05:10:14,056 INFO L225 Difference]: With dead ends: 67837 [2025-03-04 05:10:14,056 INFO L226 Difference]: Without dead ends: 44990 [2025-03-04 05:10:14,143 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:10:14,145 INFO L435 NwaCegarLoop]: 3704 mSDtfsCounter, 3018 mSDsluCounter, 2947 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3018 SdHoareTripleChecker+Valid, 6651 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2025-03-04 05:10:14,146 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3018 Valid, 6651 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 276 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2025-03-04 05:10:14,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44990 states. [2025-03-04 05:10:15,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44990 to 44966. [2025-03-04 05:10:15,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44966 states, 32346 states have (on average 1.2673282631546405) internal successors, (40993), 33016 states have internal predecessors, (40993), 10074 states have call successors, (10074), 2564 states have call predecessors, (10074), 2543 states have return successors, (10189), 9879 states have call predecessors, (10189), 10071 states have call successors, (10189) [2025-03-04 05:10:15,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44966 states to 44966 states and 61256 transitions. [2025-03-04 05:10:15,474 INFO L78 Accepts]: Start accepts. Automaton has 44966 states and 61256 transitions. Word has length 158 [2025-03-04 05:10:15,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 05:10:15,474 INFO L471 AbstractCegarLoop]: Abstraction has 44966 states and 61256 transitions. [2025-03-04 05:10:15,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2025-03-04 05:10:15,474 INFO L276 IsEmpty]: Start isEmpty. Operand 44966 states and 61256 transitions. [2025-03-04 05:10:15,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2025-03-04 05:10:15,477 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:10:15,478 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 7, 7, 7, 7, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 05:10:15,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-04 05:10:15,478 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-04 05:10:15,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:10:15,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1691745093, now seen corresponding path program 1 times [2025-03-04 05:10:15,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:10:15,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741525078] [2025-03-04 05:10:15,478 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:10:15,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 05:10:17,560 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-03-04 05:10:17,612 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-03-04 05:10:17,612 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 05:10:17,613 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 05:10:18,270 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2025-03-04 05:10:18,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 05:10:18,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741525078] [2025-03-04 05:10:18,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741525078] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 05:10:18,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 05:10:18,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 05:10:18,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241201124] [2025-03-04 05:10:18,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 05:10:18,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 05:10:18,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 05:10:18,271 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 05:10:18,271 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 05:10:18,271 INFO L87 Difference]: Start difference. First operand 44966 states and 61256 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17)