./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 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../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 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 16:18:43,243 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 16:18:43,305 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-22 16:18:43,308 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 16:18:43,310 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 16:18:43,332 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 16:18:43,334 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 16:18:43,334 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 16:18:43,335 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 16:18:43,336 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 16:18:43,336 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 16:18:43,336 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 16:18:43,336 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 16:18:43,337 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 16:18:43,337 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 16:18:43,338 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 16:18:43,339 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 16:18:43,339 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 16:18:43,339 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 16:18:43,340 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 16:18:43,340 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 16:18:43,343 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 16:18:43,343 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 16:18:43,344 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 16:18:43,344 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 16:18:43,344 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 16:18:43,344 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 16:18:43,344 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 16:18:43,344 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 16:18:43,345 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 16:18:43,345 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 16:18:43,345 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 16:18:43,345 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 16:18:43,345 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 16:18:43,345 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 16:18:43,346 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 16:18:43,346 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 16:18:43,346 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 16:18:43,346 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 16:18:43,346 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a8ab8b9c7011aec39f84a1ecf826f202398208cb106ea4649e1adfd1ea4d4076 [2024-11-22 16:18:43,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 16:18:43,602 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 16:18:43,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 16:18:43,607 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 16:18:43,607 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 16:18:43,608 INFO L431 ainManager$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 [2024-11-22 16:18:44,834 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 16:18:45,254 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 16:18:45,256 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 [2024-11-22 16:18:45,299 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cc12cb72/18649211d29c4431b4844240e16f4550/FLAGc1bbc07f0 [2024-11-22 16:18:45,400 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cc12cb72/18649211d29c4431b4844240e16f4550 [2024-11-22 16:18:45,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 16:18:45,403 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 16:18:45,405 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 16:18:45,405 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 16:18:45,409 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 16:18:45,410 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 04:18:45" (1/1) ... [2024-11-22 16:18:45,411 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7025df5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:18:45, skipping insertion in model container [2024-11-22 16:18:45,411 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 04:18:45" (1/1) ... [2024-11-22 16:18:45,551 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 16:18:47,300 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] [2024-11-22 16:18:47,304 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] [2024-11-22 16:18:47,305 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] [2024-11-22 16:18:47,305 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] [2024-11-22 16:18:47,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 16:18:47,412 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 16:18:47,509 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] [2024-11-22 16:18:47,511 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] [2024-11-22 16:18:47,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5273] [2024-11-22 16:18:47,513 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] [2024-11-22 16:18:47,513 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] [2024-11-22 16:18:47,515 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] [2024-11-22 16:18:47,515 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] [2024-11-22 16:18:47,520 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5513] [2024-11-22 16:18:47,520 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5520] [2024-11-22 16:18:47,525 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] [2024-11-22 16:18:47,528 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] [2024-11-22 16:18:47,528 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] [2024-11-22 16:18:47,529 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] [2024-11-22 16:18:47,543 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6297] [2024-11-22 16:18:47,544 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] [2024-11-22 16:18:47,560 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6765] [2024-11-22 16:18:47,567 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6925] [2024-11-22 16:18:47,580 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)dev->rx_info.next_rx_desc) [7447] [2024-11-22 16:18:47,644 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] [2024-11-22 16:18:47,645 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] [2024-11-22 16:18:47,645 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] [2024-11-22 16:18:47,646 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] [2024-11-22 16:18:47,653 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 16:18:47,803 INFO L204 MainTranslator]: Completed translation [2024-11-22 16:18:47,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:18:47 WrapperNode [2024-11-22 16:18:47,803 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 16:18:47,804 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 16:18:47,804 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 16:18:47,804 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 16:18:47,809 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:18:47" (1/1) ... [2024-11-22 16:18:47,879 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:18:47" (1/1) ... [2024-11-22 16:18:48,051 INFO L138 Inliner]: procedures = 460, calls = 1838, calls flagged for inlining = 218, calls inlined = 200, statements flattened = 5158 [2024-11-22 16:18:48,052 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 16:18:48,053 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 16:18:48,053 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 16:18:48,053 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 16:18:48,063 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:18:47" (1/1) ... [2024-11-22 16:18:48,063 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:18:47" (1/1) ... [2024-11-22 16:18:48,086 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:18:47" (1/1) ... [2024-11-22 16:18:48,762 INFO L175 MemorySlicer]: Split 789 memory accesses to 18 slices as follows [8, 2, 26, 5, 6, 5, 2, 5, 3, 8, 8, 1, 1, 2, 54, 3, 2, 648]. 82 percent of accesses are in the largest equivalence class. The 93 initializations are split as follows [8, 0, 26, 5, 0, 5, 0, 5, 3, 8, 8, 0, 1, 2, 0, 1, 0, 21]. The 308 writes are split as follows [0, 1, 0, 0, 5, 0, 1, 0, 0, 0, 0, 0, 0, 0, 42, 0, 1, 258]. [2024-11-22 16:18:48,762 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:18:47" (1/1) ... [2024-11-22 16:18:48,763 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:18:47" (1/1) ... [2024-11-22 16:18:48,841 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:18:47" (1/1) ... [2024-11-22 16:18:48,859 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:18:47" (1/1) ... [2024-11-22 16:18:48,876 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:18:47" (1/1) ... [2024-11-22 16:18:48,896 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:18:47" (1/1) ... [2024-11-22 16:18:48,932 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 16:18:48,933 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 16:18:48,933 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 16:18:48,933 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 16:18:48,934 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:18:47" (1/1) ... [2024-11-22 16:18:48,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 16:18:48,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 16:18:48,961 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) [2024-11-22 16:18:48,964 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 [2024-11-22 16:18:49,001 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_set_multicast [2024-11-22 16:18:49,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_set_multicast [2024-11-22 16:18:49,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-22 16:18:49,003 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-22 16:18:49,003 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_rx_kick [2024-11-22 16:18:49,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_rx_kick [2024-11-22 16:18:49,003 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-22 16:18:49,004 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-22 16:18:49,004 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_do_reset [2024-11-22 16:18:49,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_do_reset [2024-11-22 16:18:49,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2024-11-22 16:18:49,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2024-11-22 16:18:49,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-22 16:18:49,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-22 16:18:49,004 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-22 16:18:49,005 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-22 16:18:49,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-22 16:18:49,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-22 16:18:49,005 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-22 16:18:49,005 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-22 16:18:49,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_62 [2024-11-22 16:18:49,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_62 [2024-11-22 16:18:49,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_73 [2024-11-22 16:18:49,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_73 [2024-11-22 16:18:49,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2024-11-22 16:18:49,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2024-11-22 16:18:49,006 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_remove_one [2024-11-22 16:18:49,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_remove_one [2024-11-22 16:18:49,006 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-22 16:18:49,006 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-22 16:18:49,006 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_update_stats [2024-11-22 16:18:49,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_update_stats [2024-11-22 16:18:49,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-22 16:18:49,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-22 16:18:49,006 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-22 16:18:49,006 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-22 16:18:49,007 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-11-22 16:18:49,007 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-11-22 16:18:49,007 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-22 16:18:49,008 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-22 16:18:49,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-22 16:18:49,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-22 16:18:49,008 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-22 16:18:49,008 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-22 16:18:49,008 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-11-22 16:18:49,008 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-11-22 16:18:49,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 16:18:49,008 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-11-22 16:18:49,008 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-11-22 16:18:49,008 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-22 16:18:49,008 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-22 16:18:49,008 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-22 16:18:49,008 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-22 16:18:49,008 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_tx_timeout [2024-11-22 16:18:49,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_tx_timeout [2024-11-22 16:18:49,008 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-22 16:18:49,008 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-22 16:18:49,009 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-22 16:18:49,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-22 16:18:49,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-22 16:18:49,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-22 16:18:49,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-22 16:18:49,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-22 16:18:49,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-22 16:18:49,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-22 16:18:49,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-22 16:18:49,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-22 16:18:49,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-22 16:18:49,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-22 16:18:49,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-22 16:18:49,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-22 16:18:49,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-22 16:18:49,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-22 16:18:49,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-22 16:18:49,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-22 16:18:49,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-22 16:18:49,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-22 16:18:49,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-22 16:18:49,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-22 16:18:49,010 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-22 16:18:49,010 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-22 16:18:49,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 16:18:49,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 16:18:49,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 16:18:49,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-22 16:18:49,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-22 16:18:49,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-22 16:18:49,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-22 16:18:49,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-22 16:18:49,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-22 16:18:49,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-22 16:18:49,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-22 16:18:49,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-22 16:18:49,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-22 16:18:49,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-22 16:18:49,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-22 16:18:49,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-22 16:18:49,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-22 16:18:49,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-22 16:18:49,014 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-22 16:18:49,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-22 16:18:49,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-11-22 16:18:49,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-11-22 16:18:49,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-22 16:18:49,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-22 16:18:49,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-11-22 16:18:49,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-11-22 16:18:49,015 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2024-11-22 16:18:49,015 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2024-11-22 16:18:49,015 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-11-22 16:18:49,015 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-11-22 16:18:49,015 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-22 16:18:49,015 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-22 16:18:49,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-22 16:18:49,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-22 16:18:49,016 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_run_bist [2024-11-22 16:18:49,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_run_bist [2024-11-22 16:18:49,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 16:18:49,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-22 16:18:49,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-22 16:18:49,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-22 16:18:49,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-22 16:18:49,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2024-11-22 16:18:49,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2024-11-22 16:18:49,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 16:18:49,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-22 16:18:49,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-22 16:18:49,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-22 16:18:49,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-22 16:18:49,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-22 16:18:49,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-22 16:18:49,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-22 16:18:49,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-22 16:18:49,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-22 16:18:49,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-22 16:18:49,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-22 16:18:49,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-22 16:18:49,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-22 16:18:49,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-22 16:18:49,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-22 16:18:49,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-22 16:18:49,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-22 16:18:49,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-22 16:18:49,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-22 16:18:49,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-22 16:18:49,020 INFO L130 BoogieDeclarations]: Found specification of procedure clear_rx_desc [2024-11-22 16:18:49,020 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_rx_desc [2024-11-22 16:18:49,020 INFO L130 BoogieDeclarations]: Found specification of procedure phy_intr [2024-11-22 16:18:49,020 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_intr [2024-11-22 16:18:49,020 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-22 16:18:49,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-22 16:18:49,020 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-11-22 16:18:49,020 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-11-22 16:18:49,020 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-22 16:18:49,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-22 16:18:49,020 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-11-22 16:18:49,020 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-11-22 16:18:49,020 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-11-22 16:18:49,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-11-22 16:18:49,020 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2024-11-22 16:18:49,020 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2024-11-22 16:18:49,020 INFO L130 BoogieDeclarations]: Found specification of procedure do_tx_done [2024-11-22 16:18:49,021 INFO L138 BoogieDeclarations]: Found implementation of procedure do_tx_done [2024-11-22 16:18:49,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_misc_lock_of_ns83820 [2024-11-22 16:18:49,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_misc_lock_of_ns83820 [2024-11-22 16:18:49,021 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-22 16:18:49,021 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-22 16:18:49,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-11-22 16:18:49,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-11-22 16:18:49,021 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2024-11-22 16:18:49,021 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2024-11-22 16:18:49,021 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-11-22 16:18:49,021 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-11-22 16:18:49,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 16:18:49,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 16:18:49,021 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_stop [2024-11-22 16:18:49,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_stop [2024-11-22 16:18:49,021 INFO L130 BoogieDeclarations]: Found specification of procedure kick_tx [2024-11-22 16:18:49,021 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_tx [2024-11-22 16:18:49,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_rx_info [2024-11-22 16:18:49,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_rx_info [2024-11-22 16:18:49,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-22 16:18:49,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-22 16:18:49,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-22 16:18:49,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-22 16:18:49,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-22 16:18:49,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-22 16:18:49,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-22 16:18:49,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-22 16:18:49,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-22 16:18:49,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-22 16:18:49,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-22 16:18:49,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-22 16:18:49,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-22 16:18:49,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-22 16:18:49,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-22 16:18:49,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-22 16:18:49,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-22 16:18:49,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-22 16:18:49,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-22 16:18:49,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-22 16:18:49,024 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-11-22 16:18:49,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-11-22 16:18:49,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-22 16:18:49,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-22 16:18:49,024 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2024-11-22 16:18:49,024 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2024-11-22 16:18:49,024 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2024-11-22 16:18:49,024 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2024-11-22 16:18:49,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-11-22 16:18:49,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-11-22 16:18:49,024 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-11-22 16:18:49,025 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-11-22 16:18:49,025 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2024-11-22 16:18:49,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2024-11-22 16:18:49,025 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2024-11-22 16:18:49,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2024-11-22 16:18:49,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-22 16:18:49,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-22 16:18:49,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-22 16:18:49,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-22 16:18:49,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-22 16:18:49,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-22 16:18:49,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-22 16:18:49,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-22 16:18:49,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-22 16:18:49,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-22 16:18:49,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-22 16:18:49,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-22 16:18:49,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-22 16:18:49,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-22 16:18:49,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-22 16:18:49,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-22 16:18:49,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-11-22 16:18:49,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-11-22 16:18:49,026 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-22 16:18:49,027 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-22 16:18:49,027 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-22 16:18:49,027 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-22 16:18:49,027 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-22 16:18:49,027 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-22 16:18:49,027 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-22 16:18:49,027 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-22 16:18:49,027 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-22 16:18:49,027 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-22 16:18:49,027 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-22 16:18:49,027 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-22 16:18:49,027 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-22 16:18:49,028 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-22 16:18:49,028 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-22 16:18:49,028 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-22 16:18:49,028 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-11-22 16:18:49,028 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-11-22 16:18:49,028 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-22 16:18:49,028 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-22 16:18:49,028 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-11-22 16:18:49,028 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-11-22 16:18:49,028 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2024-11-22 16:18:49,028 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2024-11-22 16:18:49,028 INFO L130 BoogieDeclarations]: Found specification of procedure PRIV [2024-11-22 16:18:49,029 INFO L138 BoogieDeclarations]: Found implementation of procedure PRIV [2024-11-22 16:18:49,029 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2024-11-22 16:18:49,029 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2024-11-22 16:18:49,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 16:18:49,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_72 [2024-11-22 16:18:49,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_72 [2024-11-22 16:18:49,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-22 16:18:49,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-22 16:18:49,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-22 16:18:49,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-22 16:18:49,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-22 16:18:49,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-22 16:18:49,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-22 16:18:49,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-22 16:18:49,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-22 16:18:49,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-22 16:18:49,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-22 16:18:49,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-22 16:18:49,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-22 16:18:49,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-22 16:18:49,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-22 16:18:49,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-22 16:18:49,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-22 16:18:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-22 16:18:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-22 16:18:49,031 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-22 16:18:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-11-22 16:18:49,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-11-22 16:18:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2024-11-22 16:18:49,031 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2024-11-22 16:18:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-11-22 16:18:49,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-11-22 16:18:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-22 16:18:49,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-22 16:18:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-11-22 16:18:49,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-11-22 16:18:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2024-11-22 16:18:49,031 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2024-11-22 16:18:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-22 16:18:49,031 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-22 16:18:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-22 16:18:49,031 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-22 16:18:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_lock_of_ns83820 [2024-11-22 16:18:49,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_lock_of_ns83820 [2024-11-22 16:18:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2024-11-22 16:18:49,032 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2024-11-22 16:18:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure build_rx_desc [2024-11-22 16:18:49,032 INFO L138 BoogieDeclarations]: Found implementation of procedure build_rx_desc [2024-11-22 16:18:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 16:18:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 16:18:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 16:18:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-22 16:18:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-22 16:18:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-22 16:18:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-22 16:18:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-22 16:18:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-22 16:18:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-22 16:18:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-22 16:18:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-22 16:18:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-22 16:18:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-22 16:18:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-22 16:18:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-22 16:18:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-22 16:18:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-22 16:18:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-11-22 16:18:49,033 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-11-22 16:18:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-22 16:18:49,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-22 16:18:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-22 16:18:49,033 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-22 16:18:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_misc_lock_of_ns83820 [2024-11-22 16:18:49,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_misc_lock_of_ns83820 [2024-11-22 16:18:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2024-11-22 16:18:49,033 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2024-11-22 16:18:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_open [2024-11-22 16:18:49,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_open [2024-11-22 16:18:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-22 16:18:49,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-22 16:18:49,034 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-11-22 16:18:49,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-11-22 16:18:49,034 INFO L130 BoogieDeclarations]: Found specification of procedure rx_irq [2024-11-22 16:18:49,034 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_irq [2024-11-22 16:18:49,034 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_disable_interrupts [2024-11-22 16:18:49,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_disable_interrupts [2024-11-22 16:18:49,034 INFO L130 BoogieDeclarations]: Found specification of procedure kick_rx [2024-11-22 16:18:49,034 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_rx [2024-11-22 16:18:49,034 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-22 16:18:49,034 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-22 16:18:49,034 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-11-22 16:18:49,034 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-11-22 16:18:49,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 16:18:49,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 16:18:49,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 16:18:49,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 16:18:49,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-22 16:18:49,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-22 16:18:49,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-22 16:18:49,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-22 16:18:49,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-22 16:18:49,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-22 16:18:49,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-22 16:18:49,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-22 16:18:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-22 16:18:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-22 16:18:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-22 16:18:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-22 16:18:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-22 16:18:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-22 16:18:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure rx_refill [2024-11-22 16:18:49,035 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_refill [2024-11-22 16:18:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-22 16:18:49,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-22 16:18:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_rx_info [2024-11-22 16:18:49,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_rx_info [2024-11-22 16:18:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_ns83820 [2024-11-22 16:18:49,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_ns83820 [2024-11-22 16:18:49,640 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 16:18:49,642 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 16:18:49,766 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-22 16:19:01,238 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-22 16:19:02,298 INFO L? ?]: Removed 2337 outVars from TransFormulas that were not future-live. [2024-11-22 16:19:02,300 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 16:19:02,348 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 16:19:02,349 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-22 16:19:02,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:19:02 BoogieIcfgContainer [2024-11-22 16:19:02,349 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 16:19:02,351 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 16:19:02,351 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 16:19:02,354 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 16:19:02,354 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 04:18:45" (1/3) ... [2024-11-22 16:19:02,357 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d21e968 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 04:19:02, skipping insertion in model container [2024-11-22 16:19:02,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:18:47" (2/3) ... [2024-11-22 16:19:02,357 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d21e968 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 04:19:02, skipping insertion in model container [2024-11-22 16:19:02,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:19:02" (3/3) ... [2024-11-22 16:19:02,359 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i [2024-11-22 16:19:02,373 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 16:19:02,374 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-22 16:19:02,466 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 16:19:02,471 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;@3c0e8089, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 16:19:02,471 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-22 16:19:02,481 INFO L276 IsEmpty]: Start isEmpty. Operand has 2255 states, 1613 states have (on average 1.3075015499070055) internal successors, (2109), 1643 states have internal predecessors, (2109), 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) [2024-11-22 16:19:02,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-22 16:19:02,492 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 16:19:02,493 INFO L215 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] [2024-11-22 16:19:02,494 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)] === [2024-11-22 16:19:02,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 16:19:02,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1891381250, now seen corresponding path program 1 times [2024-11-22 16:19:02,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 16:19:02,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005981414] [2024-11-22 16:19:02,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 16:19:02,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 16:19:05,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 16:19:05,569 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-11-22 16:19:05,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 16:19:05,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005981414] [2024-11-22 16:19:05,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005981414] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 16:19:05,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 16:19:05,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 16:19:05,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108328361] [2024-11-22 16:19:05,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 16:19:05,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 16:19:05,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 16:19:05,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 16:19:05,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 16:19:05,603 INFO L87 Difference]: Start difference. First operand has 2255 states, 1613 states have (on average 1.3075015499070055) internal successors, (2109), 1643 states have internal predecessors, (2109), 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) [2024-11-22 16:19:09,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 16:19:10,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 16:19:10,048 INFO L93 Difference]: Finished difference Result 6649 states and 9549 transitions. [2024-11-22 16:19:10,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 16:19:10,055 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 [2024-11-22 16:19:10,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 16:19:10,094 INFO L225 Difference]: With dead ends: 6649 [2024-11-22 16:19:10,094 INFO L226 Difference]: Without dead ends: 4403 [2024-11-22 16:19:10,114 INFO L431 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 [2024-11-22 16:19:10,119 INFO L432 NwaCegarLoop]: 3150 mSDtfsCounter, 3020 mSDsluCounter, 3070 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3020 SdHoareTripleChecker+Valid, 6220 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-22 16:19:10,119 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3020 Valid, 6220 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-22 16:19:10,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4403 states. [2024-11-22 16:19:10,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4403 to 4399. [2024-11-22 16:19:10,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4399 states, 3166 states have (on average 1.2747946936197094) internal successors, (4036), 3224 states have internal predecessors, (4036), 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) [2024-11-22 16:19:10,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4399 states to 4399 states and 6079 transitions. [2024-11-22 16:19:10,386 INFO L78 Accepts]: Start accepts. Automaton has 4399 states and 6079 transitions. Word has length 101 [2024-11-22 16:19:10,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 16:19:10,387 INFO L471 AbstractCegarLoop]: Abstraction has 4399 states and 6079 transitions. [2024-11-22 16:19:10,387 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) [2024-11-22 16:19:10,387 INFO L276 IsEmpty]: Start isEmpty. Operand 4399 states and 6079 transitions. [2024-11-22 16:19:10,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-22 16:19:10,396 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 16:19:10,396 INFO L215 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] [2024-11-22 16:19:10,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 16:19:10,397 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)] === [2024-11-22 16:19:10,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 16:19:10,397 INFO L85 PathProgramCache]: Analyzing trace with hash -587800031, now seen corresponding path program 1 times [2024-11-22 16:19:10,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 16:19:10,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365604176] [2024-11-22 16:19:10,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 16:19:10,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 16:19:12,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 16:19:13,069 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-11-22 16:19:13,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 16:19:13,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365604176] [2024-11-22 16:19:13,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365604176] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 16:19:13,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 16:19:13,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 16:19:13,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430757673] [2024-11-22 16:19:13,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 16:19:13,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 16:19:13,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 16:19:13,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 16:19:13,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 16:19:13,075 INFO L87 Difference]: Start difference. First operand 4399 states and 6079 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) [2024-11-22 16:19:17,103 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 [] [2024-11-22 16:19:17,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 16:19:17,954 INFO L93 Difference]: Finished difference Result 12399 states and 17107 transitions. [2024-11-22 16:19:17,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 16:19:17,954 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 [2024-11-22 16:19:17,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 16:19:17,999 INFO L225 Difference]: With dead ends: 12399 [2024-11-22 16:19:17,999 INFO L226 Difference]: Without dead ends: 8019 [2024-11-22 16:19:18,019 INFO L431 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 [2024-11-22 16:19:18,021 INFO L432 NwaCegarLoop]: 3113 mSDtfsCounter, 2543 mSDsluCounter, 3019 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2543 SdHoareTripleChecker+Valid, 6132 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-22 16:19:18,021 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2543 Valid, 6132 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 59 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-11-22 16:19:18,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8019 states. [2024-11-22 16:19:18,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8019 to 7982. [2024-11-22 16:19:18,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7982 states, 5721 states have (on average 1.2725048068519489) internal successors, (7280), 5829 states have internal predecessors, (7280), 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) [2024-11-22 16:19:18,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7982 states to 7982 states and 10997 transitions. [2024-11-22 16:19:18,294 INFO L78 Accepts]: Start accepts. Automaton has 7982 states and 10997 transitions. Word has length 114 [2024-11-22 16:19:18,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 16:19:18,296 INFO L471 AbstractCegarLoop]: Abstraction has 7982 states and 10997 transitions. [2024-11-22 16:19:18,296 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) [2024-11-22 16:19:18,296 INFO L276 IsEmpty]: Start isEmpty. Operand 7982 states and 10997 transitions. [2024-11-22 16:19:18,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-22 16:19:18,299 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 16:19:18,299 INFO L215 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] [2024-11-22 16:19:18,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 16:19:18,301 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)] === [2024-11-22 16:19:18,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 16:19:18,301 INFO L85 PathProgramCache]: Analyzing trace with hash -136042560, now seen corresponding path program 1 times [2024-11-22 16:19:18,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 16:19:18,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26534018] [2024-11-22 16:19:18,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 16:19:18,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 16:19:20,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 16:19:21,042 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-11-22 16:19:21,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 16:19:21,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26534018] [2024-11-22 16:19:21,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26534018] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 16:19:21,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 16:19:21,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 16:19:21,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989746747] [2024-11-22 16:19:21,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 16:19:21,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 16:19:21,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 16:19:21,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 16:19:21,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 16:19:21,044 INFO L87 Difference]: Start difference. First operand 7982 states and 10997 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) [2024-11-22 16:19:25,071 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 [] [2024-11-22 16:19:25,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 16:19:25,958 INFO L93 Difference]: Finished difference Result 15631 states and 21536 transitions. [2024-11-22 16:19:25,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 16:19:25,958 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 [2024-11-22 16:19:25,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 16:19:26,004 INFO L225 Difference]: With dead ends: 15631 [2024-11-22 16:19:26,005 INFO L226 Difference]: Without dead ends: 7668 [2024-11-22 16:19:26,038 INFO L431 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 [2024-11-22 16:19:26,040 INFO L432 NwaCegarLoop]: 3759 mSDtfsCounter, 2246 mSDsluCounter, 3033 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2246 SdHoareTripleChecker+Valid, 6792 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-22 16:19:26,041 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2246 Valid, 6792 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 74 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-22 16:19:26,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7668 states. [2024-11-22 16:19:26,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7668 to 7640. [2024-11-22 16:19:26,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7640 states, 5470 states have (on average 1.2755027422303473) internal successors, (6977), 5584 states have internal predecessors, (6977), 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) [2024-11-22 16:19:26,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7640 states to 7640 states and 10479 transitions. [2024-11-22 16:19:26,444 INFO L78 Accepts]: Start accepts. Automaton has 7640 states and 10479 transitions. Word has length 115 [2024-11-22 16:19:26,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 16:19:26,445 INFO L471 AbstractCegarLoop]: Abstraction has 7640 states and 10479 transitions. [2024-11-22 16:19:26,445 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) [2024-11-22 16:19:26,446 INFO L276 IsEmpty]: Start isEmpty. Operand 7640 states and 10479 transitions. [2024-11-22 16:19:26,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-22 16:19:26,448 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 16:19:26,449 INFO L215 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] [2024-11-22 16:19:26,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 16:19:26,449 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)] === [2024-11-22 16:19:26,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 16:19:26,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1181847420, now seen corresponding path program 1 times [2024-11-22 16:19:26,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 16:19:26,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354247703] [2024-11-22 16:19:26,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 16:19:26,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 16:19:28,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 16:19:28,839 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2024-11-22 16:19:28,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 16:19:28,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354247703] [2024-11-22 16:19:28,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354247703] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 16:19:28,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 16:19:28,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 16:19:28,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089103372] [2024-11-22 16:19:28,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 16:19:28,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 16:19:28,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 16:19:28,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 16:19:28,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 16:19:28,842 INFO L87 Difference]: Start difference. First operand 7640 states and 10479 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) [2024-11-22 16:19:32,867 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 [] [2024-11-22 16:19:33,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 16:19:33,245 INFO L93 Difference]: Finished difference Result 20988 states and 28780 transitions. [2024-11-22 16:19:33,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 16:19:33,246 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 [2024-11-22 16:19:33,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 16:19:33,321 INFO L225 Difference]: With dead ends: 20988 [2024-11-22 16:19:33,322 INFO L226 Difference]: Without dead ends: 13367 [2024-11-22 16:19:33,349 INFO L431 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 [2024-11-22 16:19:33,351 INFO L432 NwaCegarLoop]: 3131 mSDtfsCounter, 2899 mSDsluCounter, 2964 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2899 SdHoareTripleChecker+Valid, 6095 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-22 16:19:33,352 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2899 Valid, 6095 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 14 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-22 16:19:33,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13367 states. [2024-11-22 16:19:33,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13367 to 13328. [2024-11-22 16:19:33,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13328 states, 9554 states have (on average 1.27496336612937) internal successors, (12181), 9761 states have internal predecessors, (12181), 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) [2024-11-22 16:19:33,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13328 states to 13328 states and 18268 transitions. [2024-11-22 16:19:33,762 INFO L78 Accepts]: Start accepts. Automaton has 13328 states and 18268 transitions. Word has length 119 [2024-11-22 16:19:33,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 16:19:33,763 INFO L471 AbstractCegarLoop]: Abstraction has 13328 states and 18268 transitions. [2024-11-22 16:19:33,764 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) [2024-11-22 16:19:33,764 INFO L276 IsEmpty]: Start isEmpty. Operand 13328 states and 18268 transitions. [2024-11-22 16:19:33,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-22 16:19:33,765 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 16:19:33,766 INFO L215 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] [2024-11-22 16:19:33,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 16:19:33,767 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)] === [2024-11-22 16:19:33,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 16:19:33,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1907954796, now seen corresponding path program 1 times [2024-11-22 16:19:33,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 16:19:33,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552947933] [2024-11-22 16:19:33,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 16:19:33,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 16:19:36,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 16:19:36,282 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2024-11-22 16:19:36,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 16:19:36,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552947933] [2024-11-22 16:19:36,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552947933] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 16:19:36,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 16:19:36,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 16:19:36,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591247749] [2024-11-22 16:19:36,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 16:19:36,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 16:19:36,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 16:19:36,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 16:19:36,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 16:19:36,286 INFO L87 Difference]: Start difference. First operand 13328 states and 18268 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) [2024-11-22 16:19:40,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 16:19:41,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 16:19:41,042 INFO L93 Difference]: Finished difference Result 36322 states and 49569 transitions. [2024-11-22 16:19:41,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 16:19:41,043 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 [2024-11-22 16:19:41,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 16:19:41,145 INFO L225 Difference]: With dead ends: 36322 [2024-11-22 16:19:41,146 INFO L226 Difference]: Without dead ends: 23013 [2024-11-22 16:19:41,198 INFO L431 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 [2024-11-22 16:19:41,200 INFO L432 NwaCegarLoop]: 3831 mSDtfsCounter, 2840 mSDsluCounter, 3055 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2840 SdHoareTripleChecker+Valid, 6886 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-22 16:19:41,200 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2840 Valid, 6886 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-11-22 16:19:41,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23013 states. [2024-11-22 16:19:41,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23013 to 22972. [2024-11-22 16:19:41,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22972 states, 16512 states have (on average 1.2644137596899225) internal successors, (20878), 16846 states have internal predecessors, (20878), 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) [2024-11-22 16:19:42,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22972 states to 22972 states and 31240 transitions. [2024-11-22 16:19:42,088 INFO L78 Accepts]: Start accepts. Automaton has 22972 states and 31240 transitions. Word has length 122 [2024-11-22 16:19:42,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 16:19:42,089 INFO L471 AbstractCegarLoop]: Abstraction has 22972 states and 31240 transitions. [2024-11-22 16:19:42,089 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) [2024-11-22 16:19:42,089 INFO L276 IsEmpty]: Start isEmpty. Operand 22972 states and 31240 transitions. [2024-11-22 16:19:42,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-22 16:19:42,091 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 16:19:42,091 INFO L215 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] [2024-11-22 16:19:42,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 16:19:42,092 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)] === [2024-11-22 16:19:42,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 16:19:42,092 INFO L85 PathProgramCache]: Analyzing trace with hash 776360562, now seen corresponding path program 1 times [2024-11-22 16:19:42,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 16:19:42,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504787990] [2024-11-22 16:19:42,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 16:19:42,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 16:19:44,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 16:19:44,677 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2024-11-22 16:19:44,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 16:19:44,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504787990] [2024-11-22 16:19:44,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504787990] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 16:19:44,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 16:19:44,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 16:19:44,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088098254] [2024-11-22 16:19:44,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 16:19:44,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 16:19:44,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 16:19:44,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 16:19:44,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 16:19:44,678 INFO L87 Difference]: Start difference. First operand 22972 states and 31240 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) [2024-11-22 16:19:48,703 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 [] [2024-11-22 16:19:49,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 16:19:49,610 INFO L93 Difference]: Finished difference Result 68017 states and 92589 transitions. [2024-11-22 16:19:49,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 16:19:49,611 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 [2024-11-22 16:19:49,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 16:19:49,781 INFO L225 Difference]: With dead ends: 68017 [2024-11-22 16:19:49,782 INFO L226 Difference]: Without dead ends: 45110 [2024-11-22 16:19:49,853 INFO L431 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 [2024-11-22 16:19:49,854 INFO L432 NwaCegarLoop]: 3858 mSDtfsCounter, 3024 mSDsluCounter, 3073 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3024 SdHoareTripleChecker+Valid, 6931 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-22 16:19:49,854 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3024 Valid, 6931 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-22 16:19:49,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45110 states. [2024-11-22 16:19:51,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45110 to 45086. [2024-11-22 16:19:51,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45086 states, 32466 states have (on average 1.2663401712560833) internal successors, (41113), 33092 states have internal predecessors, (41113), 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) [2024-11-22 16:19:51,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45086 states to 45086 states and 61376 transitions. [2024-11-22 16:19:51,507 INFO L78 Accepts]: Start accepts. Automaton has 45086 states and 61376 transitions. Word has length 158 [2024-11-22 16:19:51,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 16:19:51,508 INFO L471 AbstractCegarLoop]: Abstraction has 45086 states and 61376 transitions. [2024-11-22 16:19:51,508 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) [2024-11-22 16:19:51,508 INFO L276 IsEmpty]: Start isEmpty. Operand 45086 states and 61376 transitions. [2024-11-22 16:19:51,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-22 16:19:51,510 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 16:19:51,510 INFO L215 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] [2024-11-22 16:19:51,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 16:19:51,510 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)] === [2024-11-22 16:19:51,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 16:19:51,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1199062388, now seen corresponding path program 1 times [2024-11-22 16:19:51,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 16:19:51,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504209578] [2024-11-22 16:19:51,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 16:19:51,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 16:19:54,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 16:19:54,692 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2024-11-22 16:19:54,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 16:19:54,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504209578] [2024-11-22 16:19:54,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504209578] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 16:19:54,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 16:19:54,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 16:19:54,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099793450] [2024-11-22 16:19:54,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 16:19:54,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 16:19:54,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 16:19:54,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 16:19:54,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 16:19:54,693 INFO L87 Difference]: Start difference. First operand 45086 states and 61376 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) [2024-11-22 16:19:55,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 16:19:55,765 INFO L93 Difference]: Finished difference Result 45092 states and 61381 transitions. [2024-11-22 16:19:55,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 16:19:55,766 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 158 [2024-11-22 16:19:55,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 16:19:55,949 INFO L225 Difference]: With dead ends: 45092 [2024-11-22 16:19:55,949 INFO L226 Difference]: Without dead ends: 45090 [2024-11-22 16:19:55,973 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-22 16:19:55,974 INFO L432 NwaCegarLoop]: 3096 mSDtfsCounter, 3054 mSDsluCounter, 6177 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3055 SdHoareTripleChecker+Valid, 9273 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 16:19:55,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3055 Valid, 9273 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 16:19:56,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45090 states. [2024-11-22 16:19:57,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45090 to 45090. [2024-11-22 16:19:57,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45090 states, 32469 states have (on average 1.2663155625365734) internal successors, (41116), 33095 states have internal predecessors, (41116), 10074 states have call successors, (10074), 2565 states have call predecessors, (10074), 2544 states have return successors, (10189), 9879 states have call predecessors, (10189), 10071 states have call successors, (10189) [2024-11-22 16:19:57,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45090 states to 45090 states and 61379 transitions. [2024-11-22 16:19:57,596 INFO L78 Accepts]: Start accepts. Automaton has 45090 states and 61379 transitions. Word has length 158 [2024-11-22 16:19:57,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 16:19:57,597 INFO L471 AbstractCegarLoop]: Abstraction has 45090 states and 61379 transitions. [2024-11-22 16:19:57,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-22 16:19:57,597 INFO L276 IsEmpty]: Start isEmpty. Operand 45090 states and 61379 transitions. [2024-11-22 16:19:57,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-22 16:19:57,600 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 16:19:57,600 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 7, 7, 7, 7, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 16:19:57,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 16:19:57,600 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-22 16:19:57,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 16:19:57,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1991488940, now seen corresponding path program 1 times [2024-11-22 16:19:57,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 16:19:57,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56812915] [2024-11-22 16:19:57,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 16:19:57,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 16:20:00,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 16:20:00,897 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2024-11-22 16:20:00,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 16:20:00,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56812915] [2024-11-22 16:20:00,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56812915] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 16:20:00,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 16:20:00,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 16:20:00,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130912177] [2024-11-22 16:20:00,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 16:20:00,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 16:20:00,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 16:20:00,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 16:20:00,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 16:20:00,900 INFO L87 Difference]: Start difference. First operand 45090 states and 61379 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 16:20:02,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 16:20:02,195 INFO L93 Difference]: Finished difference Result 45096 states and 61384 transitions. [2024-11-22 16:20:02,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 16:20:02,195 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 163 [2024-11-22 16:20:02,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 16:20:02,391 INFO L225 Difference]: With dead ends: 45096 [2024-11-22 16:20:02,391 INFO L226 Difference]: Without dead ends: 45094 [2024-11-22 16:20:02,421 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-22 16:20:02,422 INFO L432 NwaCegarLoop]: 3099 mSDtfsCounter, 3050 mSDsluCounter, 6178 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3051 SdHoareTripleChecker+Valid, 9277 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 16:20:02,422 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3051 Valid, 9277 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 16:20:02,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45094 states.