./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/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 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/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-dev-4a390ef-m [2024-10-24 14:14:32,254 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 14:14:32,321 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-24 14:14:32,325 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 14:14:32,326 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 14:14:32,355 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 14:14:32,355 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 14:14:32,356 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 14:14:32,356 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 14:14:32,356 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 14:14:32,357 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 14:14:32,357 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 14:14:32,357 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 14:14:32,358 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 14:14:32,360 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 14:14:32,360 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 14:14:32,361 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 14:14:32,362 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 14:14:32,362 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 14:14:32,363 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 14:14:32,363 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 14:14:32,365 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 14:14:32,365 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 14:14:32,365 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 14:14:32,366 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 14:14:32,366 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 14:14:32,366 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 14:14:32,366 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 14:14:32,367 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 14:14:32,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 14:14:32,367 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 14:14:32,367 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 14:14:32,367 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 14:14:32,368 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 14:14:32,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 14:14:32,368 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 14:14:32,369 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 14:14:32,370 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 14:14:32,370 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 14:14:32,370 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a8ab8b9c7011aec39f84a1ecf826f202398208cb106ea4649e1adfd1ea4d4076 [2024-10-24 14:14:32,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 14:14:32,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 14:14:32,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 14:14:32,707 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 14:14:32,708 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 14:14:32,709 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /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 [2024-10-24 14:14:34,110 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 14:14:34,667 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 14:14:34,668 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 [2024-10-24 14:14:34,723 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83d770f12/6e295e1ed1b64630b1794f604292d903/FLAG77528427b [2024-10-24 14:14:34,740 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83d770f12/6e295e1ed1b64630b1794f604292d903 [2024-10-24 14:14:34,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 14:14:34,745 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 14:14:34,748 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 14:14:34,748 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 14:14:34,753 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 14:14:34,754 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:14:34" (1/1) ... [2024-10-24 14:14:34,755 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58c3e5b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:14:34, skipping insertion in model container [2024-10-24 14:14:34,755 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:14:34" (1/1) ... [2024-10-24 14:14:34,897 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 14:14:38,111 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i[322443,322456] [2024-10-24 14:14:38,116 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i[322612,322625] [2024-10-24 14:14:38,117 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i[322779,322792] [2024-10-24 14:14:38,118 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i[322947,322960] [2024-10-24 14:14:38,147 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 14:14:38,187 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 14:14:38,274 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] [2024-10-24 14:14:38,276 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] [2024-10-24 14:14:38,277 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5273] [2024-10-24 14:14:38,282 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] [2024-10-24 14:14:38,282 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] [2024-10-24 14:14:38,283 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] [2024-10-24 14:14:38,283 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] [2024-10-24 14:14:38,286 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5513] [2024-10-24 14:14:38,287 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5520] [2024-10-24 14:14:38,292 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] [2024-10-24 14:14:38,294 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] [2024-10-24 14:14:38,296 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] [2024-10-24 14:14:38,297 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] [2024-10-24 14:14:38,390 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6297] [2024-10-24 14:14:38,391 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] [2024-10-24 14:14:38,415 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6765] [2024-10-24 14:14:38,426 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6925] [2024-10-24 14:14:38,449 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)dev->rx_info.next_rx_desc) [7447] [2024-10-24 14:14:38,544 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i[322443,322456] [2024-10-24 14:14:38,545 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i[322612,322625] [2024-10-24 14:14:38,545 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i[322779,322792] [2024-10-24 14:14:38,545 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i[322947,322960] [2024-10-24 14:14:38,554 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 14:14:38,786 INFO L204 MainTranslator]: Completed translation [2024-10-24 14:14:38,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:14:38 WrapperNode [2024-10-24 14:14:38,787 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 14:14:38,788 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 14:14:38,788 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 14:14:38,788 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 14:14:38,795 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:14:38" (1/1) ... [2024-10-24 14:14:38,875 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:14:38" (1/1) ... [2024-10-24 14:14:39,050 INFO L138 Inliner]: procedures = 459, calls = 1838, calls flagged for inlining = 218, calls inlined = 200, statements flattened = 5153 [2024-10-24 14:14:39,051 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 14:14:39,052 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 14:14:39,052 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 14:14:39,052 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 14:14:39,064 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:14:38" (1/1) ... [2024-10-24 14:14:39,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:14:38" (1/1) ... [2024-10-24 14:14:39,100 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:14:38" (1/1) ... [2024-10-24 14:14:40,467 INFO L175 MemorySlicer]: Split 784 memory accesses to 18 slices as follows [8, 6, 26, 2, 5, 5, 5, 3, 8, 8, 1, 2, 2, 52, 3, 645, 1, 2]. 82 percent of accesses are in the largest equivalence class. The 252 initializations are split as follows [8, 0, 26, 0, 5, 5, 5, 3, 8, 8, 1, 2, 0, 40, 1, 140, 0, 0]. The 144 writes are split as follows [0, 5, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 136, 0, 1]. [2024-10-24 14:14:40,468 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:14:38" (1/1) ... [2024-10-24 14:14:40,468 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:14:38" (1/1) ... [2024-10-24 14:14:40,602 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:14:38" (1/1) ... [2024-10-24 14:14:40,636 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:14:38" (1/1) ... [2024-10-24 14:14:40,674 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:14:38" (1/1) ... [2024-10-24 14:14:40,698 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:14:38" (1/1) ... [2024-10-24 14:14:40,748 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 14:14:40,750 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 14:14:40,750 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 14:14:40,750 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 14:14:40,751 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:14:38" (1/1) ... [2024-10-24 14:14:40,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 14:14:40,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 14:14:40,781 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) [2024-10-24 14:14:40,783 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 [2024-10-24 14:14:40,886 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_set_multicast [2024-10-24 14:14:40,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_set_multicast [2024-10-24 14:14:40,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-10-24 14:14:40,891 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-10-24 14:14:40,891 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_rx_kick [2024-10-24 14:14:40,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_rx_kick [2024-10-24 14:14:40,891 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-10-24 14:14:40,891 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-10-24 14:14:40,891 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_do_reset [2024-10-24 14:14:40,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_do_reset [2024-10-24 14:14:40,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2024-10-24 14:14:40,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2024-10-24 14:14:40,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-24 14:14:40,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-24 14:14:40,892 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-10-24 14:14:40,892 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-10-24 14:14:40,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-10-24 14:14:40,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-10-24 14:14:40,892 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-10-24 14:14:40,893 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-10-24 14:14:40,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_62 [2024-10-24 14:14:40,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_62 [2024-10-24 14:14:40,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_73 [2024-10-24 14:14:40,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_73 [2024-10-24 14:14:40,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2024-10-24 14:14:40,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2024-10-24 14:14:40,893 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_remove_one [2024-10-24 14:14:40,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_remove_one [2024-10-24 14:14:40,894 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-10-24 14:14:40,894 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-10-24 14:14:40,894 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_update_stats [2024-10-24 14:14:40,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_update_stats [2024-10-24 14:14:40,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-10-24 14:14:40,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-10-24 14:14:40,899 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-10-24 14:14:40,899 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-10-24 14:14:40,899 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-10-24 14:14:40,899 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-10-24 14:14:40,899 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-10-24 14:14:40,899 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-10-24 14:14:40,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-10-24 14:14:40,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-10-24 14:14:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-10-24 14:14:40,903 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-10-24 14:14:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-10-24 14:14:40,903 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-10-24 14:14:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 14:14:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-10-24 14:14:40,904 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-10-24 14:14:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-10-24 14:14:40,904 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-10-24 14:14:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-10-24 14:14:40,904 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-10-24 14:14:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_tx_timeout [2024-10-24 14:14:40,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_tx_timeout [2024-10-24 14:14:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-10-24 14:14:40,905 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-10-24 14:14:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-10-24 14:14:40,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-10-24 14:14:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-10-24 14:14:40,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-10-24 14:14:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-10-24 14:14:40,906 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-10-24 14:14:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-24 14:14:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-24 14:14:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-24 14:14:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-24 14:14:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-24 14:14:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-24 14:14:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-24 14:14:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-24 14:14:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-24 14:14:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-24 14:14:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-24 14:14:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-24 14:14:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-24 14:14:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-24 14:14:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-24 14:14:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-10-24 14:14:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-10-24 14:14:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-10-24 14:14:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-10-24 14:14:40,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-10-24 14:14:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-10-24 14:14:40,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-10-24 14:14:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-10-24 14:14:40,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-10-24 14:14:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-10-24 14:14:40,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-10-24 14:14:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2024-10-24 14:14:40,913 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2024-10-24 14:14:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-10-24 14:14:40,913 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-10-24 14:14:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-10-24 14:14:40,913 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-10-24 14:14:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-10-24 14:14:40,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-10-24 14:14:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_run_bist [2024-10-24 14:14:40,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_run_bist [2024-10-24 14:14:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 14:14:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-10-24 14:14:40,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-10-24 14:14:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-10-24 14:14:40,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-10-24 14:14:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2024-10-24 14:14:40,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2024-10-24 14:14:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 14:14:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-10-24 14:14:40,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-10-24 14:14:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-24 14:14:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-24 14:14:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-24 14:14:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-24 14:14:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-24 14:14:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-24 14:14:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-24 14:14:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-24 14:14:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-24 14:14:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-24 14:14:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-24 14:14:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-24 14:14:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-24 14:14:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-24 14:14:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-10-24 14:14:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-10-24 14:14:40,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-10-24 14:14:40,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-10-24 14:14:40,921 INFO L130 BoogieDeclarations]: Found specification of procedure clear_rx_desc [2024-10-24 14:14:40,925 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_rx_desc [2024-10-24 14:14:40,925 INFO L130 BoogieDeclarations]: Found specification of procedure phy_intr [2024-10-24 14:14:40,925 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_intr [2024-10-24 14:14:40,925 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-10-24 14:14:40,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-10-24 14:14:40,926 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-10-24 14:14:40,926 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-10-24 14:14:40,926 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-10-24 14:14:40,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-10-24 14:14:40,926 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-10-24 14:14:40,926 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-10-24 14:14:40,926 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-10-24 14:14:40,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-10-24 14:14:40,926 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2024-10-24 14:14:40,926 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2024-10-24 14:14:40,927 INFO L130 BoogieDeclarations]: Found specification of procedure do_tx_done [2024-10-24 14:14:40,927 INFO L138 BoogieDeclarations]: Found implementation of procedure do_tx_done [2024-10-24 14:14:40,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_misc_lock_of_ns83820 [2024-10-24 14:14:40,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_misc_lock_of_ns83820 [2024-10-24 14:14:40,927 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-10-24 14:14:40,927 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-10-24 14:14:40,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-10-24 14:14:40,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-10-24 14:14:40,928 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2024-10-24 14:14:40,928 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2024-10-24 14:14:40,928 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-10-24 14:14:40,928 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-10-24 14:14:40,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 14:14:40,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 14:14:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_stop [2024-10-24 14:14:40,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_stop [2024-10-24 14:14:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure kick_tx [2024-10-24 14:14:40,929 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_tx [2024-10-24 14:14:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_rx_info [2024-10-24 14:14:40,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_rx_info [2024-10-24 14:14:40,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-24 14:14:40,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-24 14:14:40,933 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-10-24 14:14:40,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-10-24 14:14:40,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-10-24 14:14:40,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-10-24 14:14:40,934 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2024-10-24 14:14:40,934 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2024-10-24 14:14:40,934 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2024-10-24 14:14:40,934 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2024-10-24 14:14:40,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-10-24 14:14:40,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-10-24 14:14:40,934 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-10-24 14:14:40,934 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-10-24 14:14:40,934 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2024-10-24 14:14:40,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2024-10-24 14:14:40,935 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2024-10-24 14:14:40,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2024-10-24 14:14:40,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-24 14:14:40,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-24 14:14:40,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-24 14:14:40,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-10-24 14:14:40,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-10-24 14:14:40,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-10-24 14:14:40,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-10-24 14:14:40,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-10-24 14:14:40,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-10-24 14:14:40,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-10-24 14:14:40,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-10-24 14:14:40,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-10-24 14:14:40,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-10-24 14:14:40,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-10-24 14:14:40,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-10-24 14:14:40,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-10-24 14:14:40,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-10-24 14:14:40,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-10-24 14:14:40,941 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-24 14:14:40,941 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-24 14:14:40,941 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-24 14:14:40,941 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-10-24 14:14:40,941 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-10-24 14:14:40,941 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-10-24 14:14:40,941 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-10-24 14:14:40,941 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-10-24 14:14:40,941 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-10-24 14:14:40,941 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-10-24 14:14:40,941 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-10-24 14:14:40,942 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-10-24 14:14:40,942 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-10-24 14:14:40,942 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-10-24 14:14:40,942 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-10-24 14:14:40,942 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-10-24 14:14:40,943 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-10-24 14:14:40,943 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-10-24 14:14:40,943 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-10-24 14:14:40,943 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-10-24 14:14:40,943 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-10-24 14:14:40,943 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-10-24 14:14:40,943 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2024-10-24 14:14:40,943 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2024-10-24 14:14:40,944 INFO L130 BoogieDeclarations]: Found specification of procedure PRIV [2024-10-24 14:14:40,944 INFO L138 BoogieDeclarations]: Found implementation of procedure PRIV [2024-10-24 14:14:40,945 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2024-10-24 14:14:40,945 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2024-10-24 14:14:40,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 14:14:40,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_72 [2024-10-24 14:14:40,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_72 [2024-10-24 14:14:40,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-24 14:14:40,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-24 14:14:40,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-24 14:14:40,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-24 14:14:40,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-24 14:14:40,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-24 14:14:40,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-24 14:14:40,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-24 14:14:40,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-24 14:14:40,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-24 14:14:40,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-24 14:14:40,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-24 14:14:40,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-24 14:14:40,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-24 14:14:40,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-10-24 14:14:40,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-10-24 14:14:40,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-10-24 14:14:40,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-10-24 14:14:40,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-24 14:14:40,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-24 14:14:40,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-24 14:14:40,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-24 14:14:40,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-24 14:14:40,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-24 14:14:40,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-24 14:14:40,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-24 14:14:40,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-24 14:14:40,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-24 14:14:40,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-24 14:14:40,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-24 14:14:40,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-24 14:14:40,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-24 14:14:40,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-10-24 14:14:40,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-10-24 14:14:40,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-10-24 14:14:40,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-10-24 14:14:40,956 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-24 14:14:40,956 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-24 14:14:40,956 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-10-24 14:14:40,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-10-24 14:14:40,956 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2024-10-24 14:14:40,956 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2024-10-24 14:14:40,957 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-10-24 14:14:40,957 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-10-24 14:14:40,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-10-24 14:14:40,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-10-24 14:14:40,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-10-24 14:14:40,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-10-24 14:14:40,957 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2024-10-24 14:14:40,957 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2024-10-24 14:14:40,957 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-10-24 14:14:40,957 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-10-24 14:14:40,957 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-10-24 14:14:40,957 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-10-24 14:14:40,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_lock_of_ns83820 [2024-10-24 14:14:40,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_lock_of_ns83820 [2024-10-24 14:14:40,958 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2024-10-24 14:14:40,958 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2024-10-24 14:14:40,958 INFO L130 BoogieDeclarations]: Found specification of procedure build_rx_desc [2024-10-24 14:14:40,958 INFO L138 BoogieDeclarations]: Found implementation of procedure build_rx_desc [2024-10-24 14:14:40,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-24 14:14:40,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-24 14:14:40,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-24 14:14:40,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-24 14:14:40,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-24 14:14:40,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-24 14:14:40,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-24 14:14:40,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-24 14:14:40,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-24 14:14:40,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-24 14:14:40,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-24 14:14:40,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-24 14:14:40,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-24 14:14:40,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-24 14:14:40,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-24 14:14:40,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-10-24 14:14:40,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-10-24 14:14:40,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-10-24 14:14:40,964 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-10-24 14:14:40,964 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-10-24 14:14:40,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-10-24 14:14:40,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-10-24 14:14:40,965 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-10-24 14:14:40,965 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-10-24 14:14:40,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_misc_lock_of_ns83820 [2024-10-24 14:14:40,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_misc_lock_of_ns83820 [2024-10-24 14:14:40,965 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2024-10-24 14:14:40,965 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2024-10-24 14:14:40,965 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_open [2024-10-24 14:14:40,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_open [2024-10-24 14:14:40,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-10-24 14:14:40,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-10-24 14:14:40,965 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-10-24 14:14:40,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-10-24 14:14:40,965 INFO L130 BoogieDeclarations]: Found specification of procedure rx_irq [2024-10-24 14:14:40,966 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_irq [2024-10-24 14:14:40,966 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_disable_interrupts [2024-10-24 14:14:40,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_disable_interrupts [2024-10-24 14:14:40,966 INFO L130 BoogieDeclarations]: Found specification of procedure kick_rx [2024-10-24 14:14:40,966 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_rx [2024-10-24 14:14:40,966 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-10-24 14:14:40,967 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-10-24 14:14:40,967 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-10-24 14:14:40,971 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-10-24 14:14:40,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 14:14:40,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 14:14:40,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-24 14:14:40,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-24 14:14:40,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-24 14:14:40,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-24 14:14:40,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-24 14:14:40,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-24 14:14:40,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-24 14:14:40,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-24 14:14:40,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-24 14:14:40,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-24 14:14:40,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-24 14:14:40,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-24 14:14:40,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-24 14:14:40,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-24 14:14:40,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-10-24 14:14:40,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-10-24 14:14:40,973 INFO L130 BoogieDeclarations]: Found specification of procedure rx_refill [2024-10-24 14:14:40,973 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_refill [2024-10-24 14:14:40,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-10-24 14:14:40,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-10-24 14:14:40,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_rx_info [2024-10-24 14:14:40,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_rx_info [2024-10-24 14:14:40,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_ns83820 [2024-10-24 14:14:40,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_ns83820 [2024-10-24 14:14:41,899 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 14:14:41,902 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 14:14:42,078 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-24 14:14:45,327 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-10-24 14:14:46,543 INFO L? ?]: Removed 2337 outVars from TransFormulas that were not future-live. [2024-10-24 14:14:46,544 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 14:14:46,953 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 14:14:46,954 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 14:14:46,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:14:46 BoogieIcfgContainer [2024-10-24 14:14:46,954 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 14:14:46,957 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 14:14:46,957 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 14:14:46,961 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 14:14:46,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 02:14:34" (1/3) ... [2024-10-24 14:14:46,961 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63632269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:14:46, skipping insertion in model container [2024-10-24 14:14:46,963 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:14:38" (2/3) ... [2024-10-24 14:14:46,964 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63632269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:14:46, skipping insertion in model container [2024-10-24 14:14:46,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:14:46" (3/3) ... [2024-10-24 14:14:46,966 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i [2024-10-24 14:14:46,986 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 14:14:46,986 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-10-24 14:14:47,116 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 14:14:47,122 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;@73d59e94, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 14:14:47,125 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-10-24 14:14:47,139 INFO L276 IsEmpty]: Start isEmpty. Operand has 1989 states, 1347 states have (on average 1.3682256867112101) internal successors, (1843), 1377 states have internal predecessors, (1843), 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) [2024-10-24 14:14:47,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-24 14:14:47,151 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:14:47,152 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 14:14:47,153 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)] === [2024-10-24 14:14:47,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:14:47,159 INFO L85 PathProgramCache]: Analyzing trace with hash 304655172, now seen corresponding path program 1 times [2024-10-24 14:14:47,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:14:47,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870493763] [2024-10-24 14:14:47,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:14:47,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:14:47,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:47,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:47,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 14:14:47,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:47,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 14:14:47,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:47,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 14:14:47,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:47,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 14:14:47,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:47,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 14:14:47,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:47,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 14:14:47,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:47,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 14:14:47,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 14:14:47,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:48,002 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2024-10-24 14:14:48,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:14:48,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870493763] [2024-10-24 14:14:48,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870493763] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:14:48,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:14:48,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 14:14:48,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705274243] [2024-10-24 14:14:48,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:14:48,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 14:14:48,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:14:48,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 14:14:48,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 14:14:48,040 INFO L87 Difference]: Start difference. First operand has 1989 states, 1347 states have (on average 1.3682256867112101) internal successors, (1843), 1377 states have internal predecessors, (1843), 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 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-24 14:14:54,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:14:54,121 INFO L93 Difference]: Finished difference Result 6003 states and 9002 transitions. [2024-10-24 14:14:54,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 14:14:54,124 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (12), 3 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 87 [2024-10-24 14:14:54,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:14:54,175 INFO L225 Difference]: With dead ends: 6003 [2024-10-24 14:14:54,176 INFO L226 Difference]: Without dead ends: 4019 [2024-10-24 14:14:54,193 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 14:14:54,196 INFO L432 NwaCegarLoop]: 1796 mSDtfsCounter, 3655 mSDsluCounter, 2547 mSDsCounter, 0 mSdLazyCounter, 2873 mSolverCounterSat, 1470 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4168 SdHoareTripleChecker+Valid, 4343 SdHoareTripleChecker+Invalid, 4343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1470 IncrementalHoareTripleChecker+Valid, 2873 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-10-24 14:14:54,197 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4168 Valid, 4343 Invalid, 4343 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1470 Valid, 2873 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2024-10-24 14:14:54,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4019 states. [2024-10-24 14:14:54,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4019 to 3885. [2024-10-24 14:14:54,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3885 states, 2652 states have (on average 1.3280542986425339) internal successors, (3522), 2710 states have internal predecessors, (3522), 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) [2024-10-24 14:14:54,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3885 states to 3885 states and 5565 transitions. [2024-10-24 14:14:54,547 INFO L78 Accepts]: Start accepts. Automaton has 3885 states and 5565 transitions. Word has length 87 [2024-10-24 14:14:54,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:14:54,553 INFO L471 AbstractCegarLoop]: Abstraction has 3885 states and 5565 transitions. [2024-10-24 14:14:54,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-24 14:14:54,554 INFO L276 IsEmpty]: Start isEmpty. Operand 3885 states and 5565 transitions. [2024-10-24 14:14:54,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-24 14:14:54,567 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:14:54,567 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 14:14:54,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 14:14:54,569 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)] === [2024-10-24 14:14:54,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:14:54,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1831173826, now seen corresponding path program 1 times [2024-10-24 14:14:54,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:14:54,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603436954] [2024-10-24 14:14:54,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:14:54,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:14:54,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:54,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:54,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:54,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:54,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:54,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 14:14:54,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:54,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:54,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:54,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 14:14:54,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:54,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:54,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:54,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 14:14:54,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:54,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:54,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:54,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 14:14:54,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:54,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:54,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:54,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 14:14:54,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:54,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:54,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:54,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 14:14:54,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:54,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:54,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:54,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 14:14:54,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:54,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 14:14:54,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:54,946 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2024-10-24 14:14:54,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:14:54,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603436954] [2024-10-24 14:14:54,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603436954] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:14:54,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:14:54,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 14:14:54,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254233809] [2024-10-24 14:14:54,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:14:54,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 14:14:54,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:14:54,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 14:14:54,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 14:14:54,953 INFO L87 Difference]: Start difference. First operand 3885 states and 5565 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-24 14:15:00,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:15:00,145 INFO L93 Difference]: Finished difference Result 8889 states and 12781 transitions. [2024-10-24 14:15:00,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 14:15:00,146 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (14), 3 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 99 [2024-10-24 14:15:00,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:15:00,184 INFO L225 Difference]: With dead ends: 8889 [2024-10-24 14:15:00,184 INFO L226 Difference]: Without dead ends: 5019 [2024-10-24 14:15:00,203 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 14:15:00,204 INFO L432 NwaCegarLoop]: 1786 mSDtfsCounter, 2874 mSDsluCounter, 2507 mSDsCounter, 0 mSdLazyCounter, 3043 mSolverCounterSat, 1242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3288 SdHoareTripleChecker+Valid, 4293 SdHoareTripleChecker+Invalid, 4285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1242 IncrementalHoareTripleChecker+Valid, 3043 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-10-24 14:15:00,204 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3288 Valid, 4293 Invalid, 4285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1242 Valid, 3043 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2024-10-24 14:15:00,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5019 states. [2024-10-24 14:15:00,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5019 to 4817. [2024-10-24 14:15:00,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4817 states, 3308 states have (on average 1.3298065296251511) internal successors, (4399), 3384 states have internal predecessors, (4399), 1241 states have call successors, (1241), 266 states have call predecessors, (1241), 265 states have return successors, (1238), 1227 states have call predecessors, (1238), 1238 states have call successors, (1238) [2024-10-24 14:15:00,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4817 states to 4817 states and 6878 transitions. [2024-10-24 14:15:00,586 INFO L78 Accepts]: Start accepts. Automaton has 4817 states and 6878 transitions. Word has length 99 [2024-10-24 14:15:00,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:15:00,588 INFO L471 AbstractCegarLoop]: Abstraction has 4817 states and 6878 transitions. [2024-10-24 14:15:00,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-24 14:15:00,589 INFO L276 IsEmpty]: Start isEmpty. Operand 4817 states and 6878 transitions. [2024-10-24 14:15:00,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-24 14:15:00,592 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:15:00,592 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 14:15:00,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 14:15:00,593 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)] === [2024-10-24 14:15:00,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:15:00,594 INFO L85 PathProgramCache]: Analyzing trace with hash 593381821, now seen corresponding path program 1 times [2024-10-24 14:15:00,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:15:00,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821375810] [2024-10-24 14:15:00,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:15:00,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:15:00,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:00,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:00,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:00,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:00,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:00,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 14:15:00,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:00,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:00,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:00,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 14:15:00,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:00,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:00,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:00,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 14:15:00,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:00,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:00,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:00,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 14:15:00,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:00,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:00,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:00,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 14:15:00,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:00,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:00,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:00,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 14:15:00,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:00,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:00,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:00,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 14:15:00,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:00,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 14:15:00,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:00,948 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2024-10-24 14:15:00,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:15:00,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821375810] [2024-10-24 14:15:00,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821375810] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:15:00,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:15:00,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 14:15:00,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194297400] [2024-10-24 14:15:00,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:15:00,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 14:15:00,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:15:00,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 14:15:00,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 14:15:00,951 INFO L87 Difference]: Start difference. First operand 4817 states and 6878 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-24 14:15:06,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:15:06,027 INFO L93 Difference]: Finished difference Result 11938 states and 17044 transitions. [2024-10-24 14:15:06,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 14:15:06,027 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (13), 3 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 98 [2024-10-24 14:15:06,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:15:06,071 INFO L225 Difference]: With dead ends: 11938 [2024-10-24 14:15:06,072 INFO L226 Difference]: Without dead ends: 7136 [2024-10-24 14:15:06,088 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 14:15:06,092 INFO L432 NwaCegarLoop]: 1786 mSDtfsCounter, 3228 mSDsluCounter, 2534 mSDsCounter, 0 mSdLazyCounter, 2867 mSolverCounterSat, 1450 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3663 SdHoareTripleChecker+Valid, 4320 SdHoareTripleChecker+Invalid, 4317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1450 IncrementalHoareTripleChecker+Valid, 2867 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-10-24 14:15:06,093 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3663 Valid, 4320 Invalid, 4317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1450 Valid, 2867 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2024-10-24 14:15:06,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7136 states. [2024-10-24 14:15:06,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7136 to 6865. [2024-10-24 14:15:06,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6865 states, 4677 states have (on average 1.324353217874706) internal successors, (6194), 4797 states have internal predecessors, (6194), 1765 states have call successors, (1765), 417 states have call predecessors, (1765), 420 states have return successors, (1777), 1746 states have call predecessors, (1777), 1762 states have call successors, (1777) [2024-10-24 14:15:06,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6865 states to 6865 states and 9736 transitions. [2024-10-24 14:15:06,435 INFO L78 Accepts]: Start accepts. Automaton has 6865 states and 9736 transitions. Word has length 98 [2024-10-24 14:15:06,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:15:06,437 INFO L471 AbstractCegarLoop]: Abstraction has 6865 states and 9736 transitions. [2024-10-24 14:15:06,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-24 14:15:06,438 INFO L276 IsEmpty]: Start isEmpty. Operand 6865 states and 9736 transitions. [2024-10-24 14:15:06,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-10-24 14:15:06,441 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:15:06,442 INFO L215 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 7, 7, 7, 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] [2024-10-24 14:15:06,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 14:15:06,442 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)] === [2024-10-24 14:15:06,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:15:06,443 INFO L85 PathProgramCache]: Analyzing trace with hash -982558588, now seen corresponding path program 1 times [2024-10-24 14:15:06,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:15:06,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767862517] [2024-10-24 14:15:06,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:15:06,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:15:06,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:06,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:06,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:06,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:06,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:06,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 14:15:06,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:06,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:06,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:06,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 14:15:06,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:06,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:06,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:06,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 14:15:06,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:06,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:06,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:06,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 14:15:06,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:06,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:06,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:06,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 14:15:06,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:06,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:06,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:06,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 14:15:06,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:06,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:06,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:06,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 14:15:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:06,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 14:15:06,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:06,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 14:15:06,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:06,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-24 14:15:06,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:06,823 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-10-24 14:15:06,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:15:06,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767862517] [2024-10-24 14:15:06,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767862517] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:15:06,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:15:06,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 14:15:06,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927945213] [2024-10-24 14:15:06,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:15:06,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 14:15:06,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:15:06,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 14:15:06,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 14:15:06,827 INFO L87 Difference]: Start difference. First operand 6865 states and 9736 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-24 14:15:11,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:15:11,069 INFO L93 Difference]: Finished difference Result 19301 states and 27459 transitions. [2024-10-24 14:15:11,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 14:15:11,069 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (15), 3 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 102 [2024-10-24 14:15:11,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:15:11,146 INFO L225 Difference]: With dead ends: 19301 [2024-10-24 14:15:11,146 INFO L226 Difference]: Without dead ends: 12451 [2024-10-24 14:15:11,183 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 14:15:11,184 INFO L432 NwaCegarLoop]: 1800 mSDtfsCounter, 3386 mSDsluCounter, 2562 mSDsCounter, 0 mSdLazyCounter, 2765 mSolverCounterSat, 1472 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3853 SdHoareTripleChecker+Valid, 4362 SdHoareTripleChecker+Invalid, 4237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1472 IncrementalHoareTripleChecker+Valid, 2765 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-10-24 14:15:11,186 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3853 Valid, 4362 Invalid, 4237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1472 Valid, 2765 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-10-24 14:15:11,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12451 states. [2024-10-24 14:15:11,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12451 to 11944. [2024-10-24 14:15:11,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11944 states, 8150 states have (on average 1.323558282208589) internal successors, (10787), 8365 states have internal predecessors, (10787), 3045 states have call successors, (3045), 744 states have call predecessors, (3045), 746 states have return successors, (3086), 2994 states have call predecessors, (3086), 3042 states have call successors, (3086) [2024-10-24 14:15:11,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11944 states to 11944 states and 16918 transitions. [2024-10-24 14:15:11,839 INFO L78 Accepts]: Start accepts. Automaton has 11944 states and 16918 transitions. Word has length 102 [2024-10-24 14:15:11,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:15:11,840 INFO L471 AbstractCegarLoop]: Abstraction has 11944 states and 16918 transitions. [2024-10-24 14:15:11,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-24 14:15:11,841 INFO L276 IsEmpty]: Start isEmpty. Operand 11944 states and 16918 transitions. [2024-10-24 14:15:11,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-24 14:15:11,842 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:15:11,842 INFO L215 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 7, 7, 7, 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] [2024-10-24 14:15:11,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 14:15:11,843 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)] === [2024-10-24 14:15:11,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:15:11,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1327164006, now seen corresponding path program 1 times [2024-10-24 14:15:11,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:15:11,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680690935] [2024-10-24 14:15:11,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:15:11,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:15:11,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:12,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:12,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:12,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:12,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:12,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 14:15:12,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:12,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:12,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:12,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 14:15:12,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:12,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:12,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:12,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 14:15:12,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:12,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:12,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:12,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 14:15:12,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:12,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:12,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:12,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 14:15:12,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:12,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:12,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:12,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 14:15:12,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:12,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:12,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:12,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 14:15:12,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:12,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 14:15:12,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:12,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 14:15:12,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:12,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-24 14:15:12,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:12,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 14:15:12,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:12,152 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-10-24 14:15:12,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:15:12,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680690935] [2024-10-24 14:15:12,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680690935] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:15:12,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:15:12,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 14:15:12,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081040787] [2024-10-24 14:15:12,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:15:12,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 14:15:12,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:15:12,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 14:15:12,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 14:15:12,155 INFO L87 Difference]: Start difference. First operand 11944 states and 16918 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-24 14:15:16,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:15:16,874 INFO L93 Difference]: Finished difference Result 33184 states and 46997 transitions. [2024-10-24 14:15:16,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 14:15:16,875 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (15), 3 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 104 [2024-10-24 14:15:16,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:15:16,975 INFO L225 Difference]: With dead ends: 33184 [2024-10-24 14:15:16,975 INFO L226 Difference]: Without dead ends: 21255 [2024-10-24 14:15:17,028 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 14:15:17,031 INFO L432 NwaCegarLoop]: 2328 mSDtfsCounter, 3383 mSDsluCounter, 2886 mSDsCounter, 0 mSdLazyCounter, 3149 mSolverCounterSat, 1342 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3852 SdHoareTripleChecker+Valid, 5214 SdHoareTripleChecker+Invalid, 4491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1342 IncrementalHoareTripleChecker+Valid, 3149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-10-24 14:15:17,031 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3852 Valid, 5214 Invalid, 4491 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1342 Valid, 3149 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-10-24 14:15:17,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21255 states. [2024-10-24 14:15:17,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21255 to 20424. [2024-10-24 14:15:17,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20424 states, 13942 states have (on average 1.3138717544111318) internal successors, (18318), 14286 states have internal predecessors, (18318), 5167 states have call successors, (5167), 1315 states have call predecessors, (5167), 1312 states have return successors, (5242), 5051 states have call predecessors, (5242), 5164 states have call successors, (5242) [2024-10-24 14:15:18,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20424 states to 20424 states and 28727 transitions. [2024-10-24 14:15:18,054 INFO L78 Accepts]: Start accepts. Automaton has 20424 states and 28727 transitions. Word has length 104 [2024-10-24 14:15:18,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:15:18,055 INFO L471 AbstractCegarLoop]: Abstraction has 20424 states and 28727 transitions. [2024-10-24 14:15:18,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-24 14:15:18,056 INFO L276 IsEmpty]: Start isEmpty. Operand 20424 states and 28727 transitions. [2024-10-24 14:15:18,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-10-24 14:15:18,058 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:15:18,058 INFO L215 NwaCegarLoop]: trace histogram [11, 7, 7, 7, 7, 7, 7, 4, 4, 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] [2024-10-24 14:15:18,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 14:15:18,058 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)] === [2024-10-24 14:15:18,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:15:18,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1317046600, now seen corresponding path program 1 times [2024-10-24 14:15:18,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:15:18,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770011846] [2024-10-24 14:15:18,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:15:18,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:15:18,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:18,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:18,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:18,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:18,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:18,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 14:15:18,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:18,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:18,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:18,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 14:15:18,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:18,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:18,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:18,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 14:15:18,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:18,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:18,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:18,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 14:15:18,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:18,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:18,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:18,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 14:15:18,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:18,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:18,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:18,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 14:15:18,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:18,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:18,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:18,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 14:15:18,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:18,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 14:15:18,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:18,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 14:15:18,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:18,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-24 14:15:18,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:18,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-24 14:15:18,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:18,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 14:15:18,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:18,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:18,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:18,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 14:15:18,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:18,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 14:15:18,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:18,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-24 14:15:18,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:18,347 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-10-24 14:15:18,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:15:18,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770011846] [2024-10-24 14:15:18,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770011846] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:15:18,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:15:18,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 14:15:18,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549571496] [2024-10-24 14:15:18,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:15:18,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 14:15:18,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:15:18,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 14:15:18,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 14:15:18,351 INFO L87 Difference]: Start difference. First operand 20424 states and 28727 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-10-24 14:15:23,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:15:23,487 INFO L93 Difference]: Finished difference Result 62165 states and 87829 transitions. [2024-10-24 14:15:23,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 14:15:23,487 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (20), 3 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 130 [2024-10-24 14:15:23,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:15:23,695 INFO L225 Difference]: With dead ends: 62165 [2024-10-24 14:15:23,695 INFO L226 Difference]: Without dead ends: 41797 [2024-10-24 14:15:23,778 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 14:15:23,779 INFO L432 NwaCegarLoop]: 1832 mSDtfsCounter, 3625 mSDsluCounter, 2592 mSDsCounter, 0 mSdLazyCounter, 2901 mSolverCounterSat, 1484 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4132 SdHoareTripleChecker+Valid, 4424 SdHoareTripleChecker+Invalid, 4385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1484 IncrementalHoareTripleChecker+Valid, 2901 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-10-24 14:15:23,779 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4132 Valid, 4424 Invalid, 4385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1484 Valid, 2901 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-10-24 14:15:23,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41797 states. [2024-10-24 14:15:25,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41797 to 40181. [2024-10-24 14:15:25,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40181 states, 27517 states have (on average 1.3149689282988697) internal successors, (36184), 28163 states have internal predecessors, (36184), 10102 states have call successors, (10102), 2564 states have call predecessors, (10102), 2559 states have return successors, (10255), 9911 states have call predecessors, (10255), 10099 states have call successors, (10255) [2024-10-24 14:15:26,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40181 states to 40181 states and 56541 transitions. [2024-10-24 14:15:26,177 INFO L78 Accepts]: Start accepts. Automaton has 40181 states and 56541 transitions. Word has length 130 [2024-10-24 14:15:26,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:15:26,178 INFO L471 AbstractCegarLoop]: Abstraction has 40181 states and 56541 transitions. [2024-10-24 14:15:26,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-10-24 14:15:26,179 INFO L276 IsEmpty]: Start isEmpty. Operand 40181 states and 56541 transitions. [2024-10-24 14:15:26,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-10-24 14:15:26,180 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:15:26,180 INFO L215 NwaCegarLoop]: trace histogram [11, 7, 7, 7, 7, 7, 7, 4, 4, 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] [2024-10-24 14:15:26,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 14:15:26,181 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)] === [2024-10-24 14:15:26,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:15:26,181 INFO L85 PathProgramCache]: Analyzing trace with hash 983775990, now seen corresponding path program 1 times [2024-10-24 14:15:26,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:15:26,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164506613] [2024-10-24 14:15:26,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:15:26,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:15:26,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:26,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:26,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:26,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:26,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:26,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 14:15:26,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:26,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:26,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:26,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 14:15:26,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:26,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:26,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:26,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 14:15:26,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:26,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:26,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:27,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 14:15:27,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:27,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:27,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:27,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 14:15:27,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:27,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:27,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:27,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 14:15:27,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:27,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:27,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:27,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 14:15:27,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:27,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 14:15:27,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:27,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 14:15:27,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:27,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-24 14:15:27,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:27,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-24 14:15:27,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:27,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 14:15:27,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:27,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:27,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:27,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 14:15:27,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:27,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 14:15:27,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:27,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-24 14:15:27,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:27,160 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2024-10-24 14:15:27,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:15:27,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164506613] [2024-10-24 14:15:27,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164506613] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:15:27,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:15:27,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 14:15:27,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693143175] [2024-10-24 14:15:27,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:15:27,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 14:15:27,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:15:27,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 14:15:27,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 14:15:27,163 INFO L87 Difference]: Start difference. First operand 40181 states and 56541 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-24 14:15:32,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:15:32,217 INFO L93 Difference]: Finished difference Result 41779 states and 59125 transitions. [2024-10-24 14:15:32,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 14:15:32,217 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (19), 4 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 130 [2024-10-24 14:15:32,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:15:32,427 INFO L225 Difference]: With dead ends: 41779 [2024-10-24 14:15:32,427 INFO L226 Difference]: Without dead ends: 41777 [2024-10-24 14:15:32,452 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-24 14:15:32,454 INFO L432 NwaCegarLoop]: 1780 mSDtfsCounter, 2849 mSDsluCounter, 4050 mSDsCounter, 0 mSdLazyCounter, 4186 mSolverCounterSat, 1149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3161 SdHoareTripleChecker+Valid, 5830 SdHoareTripleChecker+Invalid, 5335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1149 IncrementalHoareTripleChecker+Valid, 4186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-10-24 14:15:32,455 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3161 Valid, 5830 Invalid, 5335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1149 Valid, 4186 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-10-24 14:15:32,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41777 states. [2024-10-24 14:15:34,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41777 to 40185. [2024-10-24 14:15:34,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40185 states, 27520 states have (on average 1.3149345930232559) internal successors, (36187), 28166 states have internal predecessors, (36187), 10102 states have call successors, (10102), 2565 states have call predecessors, (10102), 2560 states have return successors, (10255), 9911 states have call predecessors, (10255), 10099 states have call successors, (10255) [2024-10-24 14:15:34,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40185 states to 40185 states and 56544 transitions. [2024-10-24 14:15:34,571 INFO L78 Accepts]: Start accepts. Automaton has 40185 states and 56544 transitions. Word has length 130 [2024-10-24 14:15:34,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:15:34,572 INFO L471 AbstractCegarLoop]: Abstraction has 40185 states and 56544 transitions. [2024-10-24 14:15:34,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-24 14:15:34,573 INFO L276 IsEmpty]: Start isEmpty. Operand 40185 states and 56544 transitions. [2024-10-24 14:15:34,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-10-24 14:15:34,575 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:15:34,575 INFO L215 NwaCegarLoop]: trace histogram [11, 7, 7, 7, 7, 7, 7, 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] [2024-10-24 14:15:34,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 14:15:34,576 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)] === [2024-10-24 14:15:34,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:15:34,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1739756014, now seen corresponding path program 1 times [2024-10-24 14:15:34,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:15:34,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524705754] [2024-10-24 14:15:34,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:15:34,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:15:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:35,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:35,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:35,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:35,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:35,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 14:15:35,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:35,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:35,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:35,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 14:15:35,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:35,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:35,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:35,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 14:15:35,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:35,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:35,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:35,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 14:15:35,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:35,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:35,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:35,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 14:15:35,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:35,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:35,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:35,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 14:15:35,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:35,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:35,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:35,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 14:15:35,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:35,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 14:15:35,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:35,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 14:15:35,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:35,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-24 14:15:35,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:35,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-24 14:15:35,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:35,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 14:15:35,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:35,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:35,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:35,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 14:15:35,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:35,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 14:15:35,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:35,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-24 14:15:35,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:35,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-24 14:15:35,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:35,409 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2024-10-24 14:15:35,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:15:35,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524705754] [2024-10-24 14:15:35,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524705754] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:15:35,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:15:35,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 14:15:35,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642179389] [2024-10-24 14:15:35,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:15:35,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 14:15:35,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:15:35,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 14:15:35,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 14:15:35,413 INFO L87 Difference]: Start difference. First operand 40185 states and 56544 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-24 14:15:40,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:15:40,093 INFO L93 Difference]: Finished difference Result 41783 states and 59128 transitions. [2024-10-24 14:15:40,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 14:15:40,093 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (20), 4 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 135 [2024-10-24 14:15:40,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:15:40,432 INFO L225 Difference]: With dead ends: 41783 [2024-10-24 14:15:40,432 INFO L226 Difference]: Without dead ends: 41781 [2024-10-24 14:15:40,456 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-24 14:15:40,458 INFO L432 NwaCegarLoop]: 1780 mSDtfsCounter, 2843 mSDsluCounter, 4050 mSDsCounter, 0 mSdLazyCounter, 4191 mSolverCounterSat, 1148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3155 SdHoareTripleChecker+Valid, 5830 SdHoareTripleChecker+Invalid, 5339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1148 IncrementalHoareTripleChecker+Valid, 4191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-10-24 14:15:40,459 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3155 Valid, 5830 Invalid, 5339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1148 Valid, 4191 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-10-24 14:15:40,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41781 states.